WO1997037369A1

WO1997037369A1 - Light source and socket

Info

Publication number: WO1997037369A1
Application number: PCT/JP1996/000845
Authority: WO
Inventors: Hiroyoshi Nishihara; Katunori Sato; Kazuaki Murata
Original assignee: Moriyama Sangyo Kabushiki Kaisha
Priority date: 1996-03-29
Filing date: 1996-03-29
Publication date: 1997-10-09

Abstract

A light source (1) comprising a tubular body (2), bases (3) at both ends, and electrode pins (27) projecting from the bases (3) perpendicularly to the axis of the tubular body (2). A socket (31) comprising a socket body (32), which is provided with holes (34) in the surface (33) in contact with the base to receive the electrode pins (27) and contacts (46a) for engagement with the electrode pins (27) in the holes (34). Owing to this arrangement, the light source (1) can be engaged with and disengaged from the socket (31) simply by moving the light source (1) in the direction perpendicular to its axis. Moreover, when, for example, a plurality of light sources (1) are arranged longitudinally in line to obtain a design effect of linear illumination, the occurrence of dark portions due to the sockets (31) can be prevented since the sockets (31) are not present on the axis of the linear arrangement of the light sources (1). Accordingly, the continuity of the light emitting portions and the design effect of linear illumination can be obtained satisfactorily.

Description

Description Light source and socket technology

The present invention relates to a straight tube light source and a socket for connecting the light source.

Background technology

Conventionally, straight tube light sources, such as straight tube fluorescent lamps and incandescent lamps, are provided with caps at both ends of a straight tube light source body, which is a light emitting portion, and a straight tube light source body is provided from the outer end surface of each base. The electrode pins protrude in the direction of the tube axis. The socket for connecting the straight tube light source has an insertion hole for inserting an electrode pin on a side surface facing the outer end surface of the base, and a terminal for contacting the electrode pin is provided inside the insertion hole. Are located. Therefore, in a state where the light source is connected to the socket, the straight light source body of the light source and the base and the socket are arranged in the tube axis direction.

However, in the case of such a light source and a socket, when a plurality of light sources are arranged along the tube axis direction to obtain a desaturation effect of linear illumination, a straight tube as a light emitting portion is required. The socket part becomes dark with respect to the shaped light source body, the continuity of the light emitting part is impaired, and the design effect of linear illumination cannot be obtained sufficiently.o

In addition, as the straight tube light source, a plurality of glass or plastic tubular light transmitting tubes are arranged along the tube axis direction. There is a configuration in which lamps are connected and stored. For the lamps, a straight tube-type incandescent lamp or the like is used in which a pair of leads connected to the filament in the glass tube protrude from the sealing portions at both ends of the glass tube. I have. Then, the leads of the lamps arranged adjacently along the pipe axis direction are connected by a lead wire or the like, and the outermost leads of the lamps located at the most extreme ends thereof are connected. The portions are supported at both ends of the light-transmitting tube.

However, a plurality of lamps are connected along the tube axis direction, and the outermost leads of the lamps located at the most extreme ends thereof are supported by both ends of the light-transmitting tubular body. However, since the lamp is not easily supported by the central portion of the light-transmitting tube, there is a problem that the lamp vibrates due to an impact applied from the outside and comes into contact with the inner wall of the light-transmitting tube.

The present invention has been made in view of such a point, and has reviewed the form of the light source and the socket connecting the socket in the tube axis direction of the straight tube light source body, and for example, disposing the light source along the tube axis direction. It is an object of the present invention to provide a light source and a socket capable of preventing a dark portion from being generated by a socket when performing such operations.

It is another object of the present invention to provide a light source that can support the lamp at a fixed position of the light-transmitting tube and that can dampen the lamp against an external impact.

Disclosure of the invention

A light source according to the present invention comprises: a straight tube light source; a base provided in the straight tube light source; and a tube axis of the straight tube light source from the base. One is provided with an electrode pin protruding in a direction perpendicular to the direction. Thus, the light source can be attached to and detached from the socket by moving the light source in a direction orthogonal to the tube axis direction of the light source, so that the attaching and detaching work can be easily performed. Furthermore, for example, when a plurality of light sources are arranged along the tube axis direction to obtain a design effect of linear illumination, no socket is arranged in the tube axis direction of the light source, so the dark portion is formed by the socket. Can be prevented, the continuity of the light emitting portion can be obtained, and the design effect of the linear illumination can be sufficiently obtained.

In addition, caps are provided at both ends of the straight tube light source body, and electrode pins protrude from the caps. This makes it possible to use it in the same way as a straight tube fluorescent lamp.

In addition, a base is provided at one position of the straight tube light source body, and a plurality of electrode pins protrude from the base. This facilitates attachment and detachment to the socket at one location. The plurality of electrode pins are arranged in parallel in the tube axis direction or in a direction orthogonal to the tube axis direction.

Further, the tip of the electrode pin is formed thicker than the base. Thereby, when connected to the socket, it can be locked to the socket via the electrode pins.

In addition, the base is provided with a socket engaging piece projecting in the same direction as the projecting direction of the electrode pin. Thus, when the base is connected to the socket, the socket engaging pieces can be engaged with the socket simultaneously with the insertion of the electrode pins into the socket. The base is provided with a socket engaging piece located on a side portion orthogonal to the tube axis direction of the straight tube light source body and projecting in the same direction as the projecting direction of the electrode pins. An inclined edge is provided at a corner between the front edge and the outer edge. As a result, the socket attachment pieces can be held in the socket without being caught.

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Also, a waterproof elastic ring is provided around the electrode pins of the base. Thereby, when the base is connected to the socket, the waterproof elastic ring is joined to the socket side, and the waterproof portion of the connection between the electrode pin and the terminal is obtained.

Further, the straight tube light source body has a cylindrical light transmissive tube body, and a plurality of lamps are connected and housed in the light transmissive tube body in the tube axis direction. This makes it possible to construct a straight tube light source using, for example, a small incandescent lamp.

Further, it has a linear member for connecting the adjacent lamps, and the linear member is provided with an abutting portion for abutting on the inner wall of the light transmitting tube. The linear member has elasticity in a direction in which both connected lamps are brought closer to each other, and is a line member having an abutting portion among the linear members hidden between a plurality of lamps. The shape member may be arranged at every other lamp. With this linear member, the lamp can be supported at a fixed position of the light-transmitting tube, and the lamp can be damped against an external impact.

A socket according to the present invention includes a socket body having a base connection surface to which a base portion from which an electrode pin of a base of a light source projects is connected. --An insertion hole is provided on the base connection surface of the socket body and into which the electrode pin is inserted, and a terminal is disposed inside the insertion hole and is in contact with the electrode pin inserted into the insertion hole. That is what they do. Thereby, the base of the light source can be connected.

Also, a socket body having a base connection surface to which a base portion of the base of the light source from which the electrode pin protrudes is connected from a substantially vertical direction; and a base body connection surface of the socket body, wherein the electrode pin is substantially vertical. An insertion hole that is inserted from the direction, a terminal that is disposed inside the insertion hole, and that contacts the electrode pin that is inserted into the insertion hole; and a socket that is provided on the socket body and engages the socket of the light source. And an engaged portion to which the piece is detachably attached. Thereby, the base having the socket engaging piece of the light source can be connected.

The insertion hole is provided in an elongated shape corresponding to the tube axis direction of the light source to be connected. This allows the electrode pins to be inserted into the insertion holes even if the gap between the electrode pins at both ends of the light source and the socket at both ends has a dimensional deviation. In addition, if the base at one end of the light source is connected to the socket first, and then the base at the other end is connected to the socket, the light source is oblique and the electrode pins are inserted obliquely into the insertion holes. Even so, insertion of the electrode pin into the insertion hole is acceptable.

In addition, a waterproof elastic ring for contacting the base of the light source is provided at the periphery of the insertion hole. As a result, when the base is connected to the socket, the waterproof elastic ring is joined to the base side. The waterproofness of the connection between the electrode pin and the terminal is obtained.

Also, a socket body having an arc-shaped base connection surface to which a base portion from which the electrode pin of the base of the light source protrudes is connected, and a socket connection surface provided on the base connection surface of the socket body. The insertion hole into which the electrode pin is inserted from the arc direction by the rotation of the base, and a terminal disposed inside the insertion hole and in contact with the electrode pin inserted into the insertion hole. is there. By rotating the base of the light source along the base connection surface of the socket, the electrode pin can be inserted into the insertion hole and connected to the terminal.

Also, a socket body having a flat base connection surface to which a base portion from which the electrode pin of the base of the light source protrudes is connected, and a socket connection surface provided on the base connection surface of the socket body and along the base connection surface. It has an insertion hole into which an electrode pin is inserted from the sliding direction by the slide of the base, and a terminal arranged inside the insertion hole and in contact with the electrode pin inserted into the insertion hole. . Thus, by sliding the base of the light source along the metal connection surface of the socket, the electrode pin can be inserted into the insertion hole and connected to the terminal.

BRIEF DESCRIPTION OF THE FIGURES

FIG. 1 is a partially exploded perspective view showing a light source and a socket according to a first embodiment of the present invention, and FIG. 2 is a partially perspective view of the light source according to the embodiment. FIG. 3 is a partial cross-sectional view showing a connection state of the light source and the socket according to the embodiment described above, and FIG. 4 is a connection diagram of the light source and the socket according to the embodiment described above. — — FIG. 5 is a sectional view of the continuation state, FIG. 5 is a bottom view of the socket of the embodiment, FIG. 6 is a perspective view of the light source of the embodiment, and FIG. FIG. 8 is a perspective view showing a connection state of a light source and a socket according to the second embodiment, FIG. 8 is a partial cross-sectional view showing a connection state of the light source and the socket showing the second embodiment, and FIG. FIG. 10 is a cross-sectional view of FIG. 8 of the embodiment, FIG. 10 is a perspective view of the socket of the embodiment, and FIG. 11 is a side view of a light source of the third embodiment. is there.

BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, a first embodiment of a light source and a socket according to the present invention will be described with reference to FIGS. 1 to 7.

6 and 7, reference numeral 1 denotes a light source. The light source 1 has a straight tube-shaped light source 2, and bases 3 are attached to both ends of the straight tube-shaped light source 2. The length in the direction is configured to correspond to a 20 W straight tube fluorescent lamp.

The straight tube light source 2 has a cylindrical light-transmitting tube 4 made of, for example, transparent glass or plastic, and a plurality of lamps 5 are provided in the light-transmitting tube 4. It is connected and stored in the axial direction.

The lamp 5 is an incandescent lamp, and a filament 7 is arranged in the center of the internal space of the transparent cylindrical glass tube 6 along the tube axis direction. Lead wires 8 connected to both ends of the center 7 project from both ends of the glass tube 6. Both ends of the glass tube 6 are sealed by a flat sealing portion 9, and an intermediate portion of each lead wire 8 is fixed to each sealing portion 9. The lead wire 8 protruding from the sealing portion 9 is bent substantially in a U-shape in parallel with the flat direction of the sealing portion 9.

Adjacent lamps 5 are electrically and mechanically connected by a linear member 10. As shown in FIG. 2, the linear member 10 is formed of a conductive wire, and the shaft portions 11 at both ends are hooked and locked by the lead wires 8 of the adjacent lamps 5. In the middle part, a ring part 12 as an abutting part abutting on or close to the inner wall of the light-transmitting tube 4 is bent in an arc shape centering on the rib part 11. ing. The linear member 10 has elasticity in a direction in which both the connected lamps 5 approach each other. The engaging portion between the linear member 10 and the lead wire 8 of the lamp 5 may be fixed by welding or soldering.

As shown in FIGS. 1 and 3, support lids 13 are attached to both ends of the light-transmitting tube 4. The support lid 13 is made of insulating resin, for example, made of synthetic resin, is formed in a disk shape having substantially the same diameter as the light-transmitting tube 4, and has an inner surface inside the light-transmitting tube 4 inside. An annular projection 14 to be fitted is formed, and a hook 15 is formed in the center of the annular projection 14. A slit 16 is formed from the center facing the hook 15 to the lower edge.

Then, one end of the conductive linear member に is hooked and locked on the lead wire 8 of the lamp 5 located at the end, and the other end is hooked on the hook 15. The support lid 13 is latched and held by the elasticity of the linear member connecting the plurality of lamps 5 so as to be fitted and abutted on the end of the light-transmitting tube 4.

The base 3 is made of, for example, a synthetic resin having an insulating property. --A fitting hole 18 for fitting the end of the light-transmitting tube 4 has a cylindrical tube portion 19 having an opening at one end, and the inside of the fitting hole 18 of the tube portion 19 is A step portion 20 is formed at which the end of the light-transmitting tube 4 is positioned and abutted via the support lid 13, and a groove 21 is formed below the fitting hole 18 in the tube axis direction. A fixing hole 22 that penetrates in the vertical direction perpendicular to the tube axis direction is formed on the bottom surface of the groove portion 21, and an annular protrusion 突出 protrudes around the fitting hole の on the lower surface of the cylindrical portion 19.

A pair of socket engaging pieces 24 projecting downward is formed on both sides of the cylindrical portion 19 orthogonal to the pipe axis direction, and an engaging claw 25 is provided inside the tip of the socket engaging piece 24 opposite to the socket engaging piece 24. An inclined edge is formed at a corner between the front edge and the outer edge of the _c- socket engaging piece 24 that is formed so as to protrude.

An electrode pin 27 is protruded from the lower surface of the base 3. The electrode pin 27 is made of, for example, a metal having conductivity. An annular rib is formed in an intermediate portion, and an upper end side of the rib is press-fitted and fixed in a fixing hole of the base 3.

After connecting the linear member Π hooked on the hook 15 of the support lid 13 of the light transmitting tube 4 and the electrode pin 27 fixed to the base 3 with a lead wire, the light transmitting The light source 1 is assembled by inserting and fixing the end of the tubular body 4 into the fitting hole of the base 3.

Next, in FIGS. 1 and 3 to 5, reference numeral 31 denotes a socket. The socket 31 has a socket body 32. The socket body 有する has an insulating property. For example transparent or It is made of translucent or milky white synthetic resin. On the top surface, a base connection surface 33 to which the base 3 is connected is formed.In this base connection surface 33, an insertion hole 34 into which the electrode pin 挿入 is inserted is formed vertically. In addition, an annular groove 35 is formed around the insertion hole 34. The insertion hole 34 is formed in a long hole shape corresponding to the tube axis direction of the light source 1.

On both sides of the socket body 32 (both sides perpendicular to the tube axis direction of the light source 1), a chamfered portion 36 is formed at an upper edge corner, and a lower side than the chamfered portion 36 is formed. At the position, an engaging groove portion 37 is formed as an engaged portion to which the engaging claw 25 of the socket engaging piece 24 of the base 3 is detachably engaged.

A holding plate 38 is formed on the outer end face side of the socket body 本体 so as to protrude upward, and an upper end of the holding plate 38 is an arc-shaped fitting into which the lower end of the outer end of the cylindrical portion 19 of the base 3 is fitted. A mating surface 38a is formed. An inclined surface portion 39 is formed at a corner portion where the holding plate Π intersects with each engagement groove portion Π. Further, holding projections 4Qa and 40b are formed on the outer end face side of the socket body 32 from a position shifted in the vertical direction, and a mounting hole 41 is provided on the inner end face side of the socket body 32. A piece U is formed to protrude.

A space communicating with the insertion hole 34 is provided inside the socket body 32.

43 is formed in the center area, and a pair of terminal storage portions 45 are formed on both sides of the space portion 43 via partition plates.The space portion 43 and the pair of terminal storage portions 45 are located below the socket body Π. An opening is formed. An opening 44a is formed at the center of each partition plate 44. Further, the terminals a and 46b are respectively arranged in the respective terminal storage portions 45. Each of the terminals 46a and Hb has a board 48 which is fixed to the upper surface of the terminal storage section 45 with screws, and is arranged along the inner wall of the partition plate 44 and the socket body 32 from both ends of both side edges of the board 47. The connecting pieces 49 and 50 are bent downward, and the locking piece 51 is bent obliquely upward from the lower end of the connecting piece 50 on the inner wall side of the socket body 32. Only one of the terminals 46a is provided with a contact piece 52 which can enter the space 43 through the opening 4 "of the partition plate 44 and contact the electrode pin される inserted into the insertion hole 34.

Further, a release button 53 is disposed in each of the terminal storage sections 45. Each release button 53 is vertically slidable between a connecting piece 49, 50 of each terminal 46a, 46b and a pair of locking pieces 51, and a terminal of each terminal 46a, 46b is provided at both ends. A release portion 54 is formed below the pair of lock pieces 51.

A socket cap 55 is attached to the lower surface of the socket body 32 in a closed state. The socket cap 55 is made of, for example, a synthetic resin having an insulating property, and has protrusions 56 formed at four corners on an upper surface, and an electric wire insertion hole 57 is formed penetrating each protrusion 56 in a vertical direction. A release hole 58 is formed on each side edge to which the lower end of the release button 53 is fitted, and a locking claw 59 is formed on each side edge to be locked on the inner wall of the socket body 32. Have been. The groove 35 around the insertion hole 34 is provided with, for example, a waterproof elastic ring made of rubber, which is in contact with the annular projection 23 of the base 3. Next, in FIGS. 1 and 7, reference numeral 61 denotes a trough. The trough 61 has a substantially U-shaped cross section and is formed to have substantially the same length as the length of the light source 1. Has an insertion hole 62 into which the lower part of the socket 31 is inserted and fitted, and a mounting hole 63 and a stop hole formed at the center side of the insertion hole of the trough 61.

Then, the lower part of the socket 31 is inserted into the insertion hole 62 of the trough 61, and the upper and lower clamping projections 40a and 40b are engaged with the upper and lower edges of the insertion hole, and the mounting piece 42 is attached. By joining to the upper surface of the trough 61 and inserting the set screw 71 into the mounting hole of the mounting piece 42 and screwing it into the mounting hole 63 of the trough 61, sockets 31 are provided at both ends of the trough 61 respectively. It is attached.

Further, as shown in FIG. 1, a pair of core wires a from which one end of the connection wire Π has been removed is inserted into each wire insertion hole π on the inner end side of the socket 31 on one end, and the other end of the connection wire π is inserted. Insert the pair of core wires Πa, from which the ends have been removed, into the respective wire insertion holes 57 on the inner end side of the other end socket. Each core wire a is inserted between the connection piece 49 on the inner end side of each terminal 46a, 46b and the lock piece 51, and each mineral lock piece 51 bites into each core wire 72a, so that each core wire

72a is retained in the state of electrical connection. The connection line 72 is attached along the inside of the trough 61.

With this connection line が, the terminal 46a of the socket 31 at one end is electrically connected to the terminal 46b of the socket 31 at the other end, and the terminal 46b of the socket 31 at one end is connected to the socket 46 at the other end. Terminals a and conduct. That is, the contact of the socket 31 on both ends of the trough 61 --The terminals 46a having the pieces 52 are not connected to each other and are in different polarities.

Next, the operation of the present embodiment will be described.

When the trough 61 is installed on a building or the like, the pair of core wires a from which the power supply wire Π has been removed is inserted into each wire insertion hole 57 on the outer end side of the socket 31 on one end. Each core wire a is inserted between the connection piece 49 on the outer end side of each terminal 46a, 46b and the lock piece 51, and each lock piece 51 bites into each core wire a. The core wire a is retained in the state of electrical connection. Thus, one core wire 73a is directly connected to the terminal 46a having the contact piece 52 of the socket 31 at one end, and the other core wire 73a has the contact piece 52 of the socket 31 at the other end through the terminal Hb and the connection wire 線. Connected to terminal a. Therefore, the terminals a having the contact pieces 52 of the sockets 31 at both ends of the trough 61 are not connected to each other, but are connected to the power supply line に with different polarities.

The trough 61 is placed at a predetermined position on a building or the like, and a screw 74 is screwed into the building or the like through the locking hole 64, and the trough 61 is tightened and fixed.

Then, the bases 3 at both ends of the light source 1 are connected to the sockets 31 at both ends of the trough 61. That is, in FIG. 1, the base 3 is approached from above the socket 31, the pair of socket engaging pieces 24 are aligned with both sides of the socket body 32, and the base 3 is pushed into the socket 31 from above. As a result, the base 3 is pushed into the socket 31 while the pair of socket engaging pieces 24 are elastically deformed outward, and the engaging claws 25 at the tips of the pair of socket engaging pieces 24 are moved to the socket. -The base 3 is locked to the socket 31 by engaging with the engaging groove 37 of the H-ket main body 32.

When the base 3 of the light source 1 is connected to the socket 31, the electrode pin Π of the base 3 is inserted into the insertion hole 34 of the socket 31, and the contact piece 52 of the terminal a contacts the electrode pin Π. The annular protrusion 23 of the base 3 comes into contact with the waterproof elastic ring 60 of the socket 31 and the lower edge of the outer end of the cylindrical portion 19 of the base 3 is fitted to the fitting surface 38a of the holding plate Π. Fit.

When connecting the light source 1, the insertion hole 34 of the socket 31 is formed in the shape of a long hole in the tube axis direction, so the distance between the electrode pins 27 at both ends of the light source 1 and both ends of the trough 61 Even if there is a dimensional difference between the distance between the sockets 31 and the socket 31, insertion of the electrode pin へ into the insertion hole 34 can be tolerated. In addition, if the base 3 at one end of the light source 1 is connected to the socket 31 first, and then the base 3 at the other end is connected to the socket 31, the light source 1 power is oblique to the trough 61. Therefore, even if the electrode pin 27 is inserted obliquely with respect to the insertion hole 34, the insertion of the electrode pin Π into the insertion hole 34 can be permitted.

Also, since the inclined edge 26 is formed at the corner between the leading edge and the outer edge of the socket engaging piece 24, the socket engaging piece 24 is connected to the socket 31 without being caught. it can. In particular, if the base 3 at one end of the light source 1 is first connected to the socket 31 and then the base 3 at the other end is connected to the socket 31, the light source 1 is oblique to the trough, Even if the base 3 is connected diagonally to the socket 31, the socket 31 can be connected to the socket 31 without being hooked. A commercial AC power supply is connected to the power supply line Π. When power is supplied through the power supply line 73, AC power flows between the pair of electrode pins を通じて through the terminals 46 a of the sockets 31 at both ends, and a plurality of ladders connected in series between the pair of electrode pins 27. Lamp 5 lights up.

When the light source 1 is removed from the socket 31, the base 3 of the light source 1 is pulled up with respect to the socket 31, whereby the pair of socket engaging pieces 24 of the base 3 are elastically deformed outward. However, the engagement claws 25 are detached from the engagement grooves 37 of the socket 31, and the base 3 can be removed from the socket 31.

In the configuration of the light source 1 and the socket 31 configured as described above, the light source 1 can be moved in the direction orthogonal to the tube axis direction of the light source 1 and can be attached to and detached from the socket 31, so that the attaching / detaching operation can be easily performed. Do

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Also, for example, when a plurality of light sources 1 are arranged along the tube axis direction to obtain a design effect of linear illumination, the socket 31 is not arranged in the tube axis direction of the light source 1, so that the socket 31 is not arranged. A dark portion can be prevented from being generated by the torsion, the continuity of the light emitting portion can be obtained, and the design effect of the linear illumination can be sufficiently obtained.

Further, the linear member 10 connecting the adjacent lamps 5 can support the lamp 5 at a fixed position of the light-transmitting tube 4 and can dampen the lamp 5 against an external impact. . In addition, since the linear member 10 has elasticity in a direction in which the two connected lamps 5 are brought closer to each other, the linear member 10 can reliably support the lamps 5 <The wires arranged between the plurality of lamps 5 respectively. Shape member 1 0 Of these, the linear members 10 having the ring portions 12 may be arranged at every plural number of the lamps 5, so that the stand, the cost can be reduced, and the assembling property can be improved.

In addition, since the water-proof elastic ring 60 that comes into contact with the base 3 of the light source 1 is provided at the periphery of the insertion hole 34, the water-proof elastic ring 60 is used when the base 3 is connected to the socket 31. Bonded to the 31 side, the waterproof part of the connection between the electrode pin Π and the terminal 46a can be obtained. The waterproof elastic ring 60 provided around the socket insertion hole 34 may be provided around the electrode pin の of the base 3, or may be provided on both of them. The same waterproofness can be obtained.

Also, the socket engaging pieces 24 are provided on both sides of the cylindrical portion 19, but are provided on the outer end and / or the inner end side of the cylindrical portion 19, and the socket 31 is correspondingly provided on the socket 31. An engagement structure for the engagement piece 24 may be provided.

Next, a second embodiment of the present invention will be described with reference to FIG. 8 to FIG. The same structures as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

The base 3 of the light source 1 is formed with a protrusion 81 projecting from the peripheral surface of the tube in a direction perpendicular to the tube axis direction of the light source 1, and the tip surface of the protrusion 81 is centered on the tube axis of the tube 19. It is formed in a circular arc profile. In addition, the protruding portion 81 is formed so as to protrude from the inside of the outer end surface of the cylindrical portion 19, and a part of the cylindrical portion 19 is left.

An electrode pin 27 protrudes from the tip surface of the protrusion 3 of the base 3 in a direction perpendicular to the tube axis direction of the light source 1, and the electrode pin 27 is a straight tube light source. It is connected to the source body 2 by a lead wire 29, and a large-diameter portion a that is thicker than the base is formed at the tip of the electrode pin 27.

In the socket 31, holding plates 82 and 83 are formed on both end surfaces of the socket body 32 (both end surfaces corresponding to the tube axis direction of the light source 1) so as to protrude upward, and are formed on the holding plate の on the outer end surface side. An arc-shaped fitting surface portion 82a for receiving the cylindrical portion 19 of the base 3 is formed on the edge, and an upper edge of the holding plate 83 on the inner end surface side has an arc-shaped fitting surface portion 83a for receiving the straight tube light source body 2. Are formed.

A concave portion 84 is formed between the two holding plates Π and が so that the protrusion 81 of the base 3 can be fitted therein, and a bottom surface of the concave portion 84 is formed with an arc-shaped base connecting surface 85. A groove-shaped insertion hole 86 through which the electrode pin Π can be inserted is formed from substantially the center of the base connection surface 85 to one side surface of the socket body 32, and below the insertion hole 86 opened on one side surface of the socket body 32. On the side, there is formed a groove portion a through which the large diameter portion a of the electrode pin Π can be inserted.

A space する is formed below the socket connecting surface 85 of the socket main body 32 and opens to the lower surface of the socket main body 32, and a flange 89 having a mounting hole 88 is provided at a lower end on both sides of the socket main body 32. Are formed to protrude.

One end of a terminal 90 is fixed to the upper surface of the space portion 部 of the socket body によって by a fixing pin 91, and the other end of the terminal 90 is disposed below the insertion hole 86. The other end of the terminal 90 can be pressed into contact with the enlarged portion a of the electrode pin Π fitted into the insertion hole 86, and the electrode pin 27 is It is formed in a shape that allows the large diameter part a to be detachably held. --Yes.

Then, in order to connect the base 3 of the light source 1 to the socket 31, the protrusion 81 of the base 3 enters from one side of the recess M and the electrode pin 27 enters from one side of the insertion groove 86. Then, the base 3 is rotated while the front end face of the protruding portion 81 is slid along the arc-shaped base connection surface 85 of the concave portion 84. With the rotation of the base 3, the large diameter portion a of the electrode pin 27 rides on the terminal 90 and joins, and the rotation is regulated by the electrode pin 27 contacting the edge of the insertion hole 86. ο

When the base 3 of the light source 1 is connected to the socket, the large-diameter portion 27a of the electrode pin Π is engaged with the back surface of the base connection surface 85 and is prevented from coming off. Terminal 90 is engaged with a, and base 3 is held by socket 31.

When removing the light source 1 from the socket 31, rotate the base 3 of the light source 1 in the opposite direction to that when connecting, so that the electrode pin 27 comes off the terminal 90 and also comes off the insertion hole 86. The base 3 can be removed from the socket Π.

Also in the case of this embodiment, since the light source 1 can be rotated in the direction perpendicular to the tube axis direction of the light source 1 and can be attached to and detached from the socket 31, the attaching and detaching work can be easily performed. Also, for example, when a plurality of light sources 1 are arranged along the tube axis direction to obtain a design effect of linear illumination, the socket 31 is not arranged in the tube axis direction of the light source 1, so that the socket 31 is not arranged. In this way, it is possible to prevent the dark portion from being generated by the light source 31, to obtain continuity of the light emitting portion, and to sufficiently obtain the design effect of the linear illumination. In addition, the tip surface of the protrusion Π of the base 3 of the light source 1 is made flat, and the base connection surface 85 of the socket body 32 of the socket 31 is made flat. By sliding the base 3 in parallel along the base connection surface 85 of the socket body Π, the electrode pins 27 are inserted into the insertion holes 86 from the slide direction and connected to the terminals 90. You may be comprised so that it may be performed.

Next, a third embodiment of the present invention will be described with reference to FIG. The same structures as those in the first and second embodiments are denoted by the same reference numerals, and the description thereof is omitted. The holders 101 are attached to the outer periphery of both ends of the straight tube light source body 2 of the light source 1. The two holders 1 G 1 are provided on both ends of the elongated holding plate 102 along the straight tube light source 2. A base 3 is provided at the center of the holding plate 102, and a pair of electrode pins 突 protrude from the base 3 in a direction perpendicular to the tube axis direction of the light source 1. The pair of electrode pins Π has a large diameter portion 27 a and is arranged in parallel in the tube axis direction of the light source 1.

Although not shown, in the socket to which the light source 1 is connected, a pair of insertion holes is provided in the socket body, and terminals are arranged inside each of the insertion holes.

Also in the case of this embodiment, since the light source 1 can be moved or rotated in a direction orthogonal to the tube axis direction of the light source 1 to be attached to / detached from the socket, the attaching / detaching operation can be easily performed. Further, for example, when a plurality of light sources 1 are arranged along the tube axis direction to obtain a design effect of linear illumination, no socket is arranged in the tube axis direction of the light source 1, so the socket This can prevent dark areas from being generated, and provide continuity of light-emitting parts, In effect is sufficiently obtained.

By arranging the pair of electrode pins 並列 in parallel in the tube axis direction of the light source 1, it is possible to cope with a mode in which the light source 1 is moved in a direction perpendicular to the tube axis direction and connected to a socket. Further, by arranging the pair of electrode pins 27 in parallel in a direction perpendicular to the tube axis direction, it is possible to cope with a mode in which the light source 1 is moved in the tube direction and connected to the socket.

Further, the light source 1 may be such that the linear members 10 having the ring portions 12 among the linear members 10 arranged between the plurality of lamps 5 are arranged every other lamps 5. Good.

The length of the light source 1 in the tube axis direction is not limited to the length corresponding to a 2 OW straight tube fluorescent lamp, but is 10 W, 15 W, 40 W, 100 W (11 W ) May be configured to correspond to each of the straight tube fluorescent lamps in this case. In this case, the number of lamps 5 is adjusted according to the length.

The light source 1 of the present embodiment can be used in the same manner as a straight tube fluorescent lamp, and can be used, for example, as a shelf light, an indirect lighting, an illumination light of a showcase window, a sign light, and the like. Available o

In addition, the light source 1 is mechanically fixed and electrically connected without using the socket 31 by installing the light source 1 on the mounting surface with adhesive tape, a lamp holder, etc., and directly tying the power supply wire to the electrode pin Π. It can also be used by connecting or inserting a connector attached to the end of the lead wire to the electrode pin Π.

Industrial applicability --As described above, the light source and the socket of the present invention can be used in the same manner as a straight tube fluorescent lamp, and the continuity of the light emitting portion can be obtained by arranging a plurality of light sources along the tube axis direction. O It can be used for linear lighting, and it can also be used for lighting etc.o

Claims

The scope of the claims

1. A straight tube light source,

A base provided on the straight tube light source,

An electrode pin protruding from the base in a direction orthogonal to the tube axis direction of the straight tube light source body;

A light source comprising:

2. The light source according to claim 1, wherein bases are provided at both ends of the straight tube light source body, and electrode pins protrude from each base.

3. The light source according to claim 1, wherein a base is provided at one position of the straight tube light source body, and a plurality of electrode pins protrude from the base.

4. The light source according to claim 3, wherein the plurality of electrode pins are arranged in parallel in the tube axis direction.

5. The light source according to claim 3, wherein the plurality of electrode pins are arranged in parallel in a direction orthogonal to the tube axis direction.

6. The light source according to any one of claims 1 to 5, wherein the tip of the electrode pin is formed thicker than the base.

7. The light source according to claim 1, wherein the base is provided with a socket engaging piece projecting in the same direction as the projecting direction of the electrode pin.

8. Located on the side of the base that is perpendicular to the tube axis direction of the straight tube light source

Corrected form (Rule 91) As a result, a socket engaging piece protruding in the same direction as the protruding direction of the electrode pin was provided, and an inclined edge was provided at a corner between the leading edge and the outer edge of the socket engaging piece. 3. The light source according to claim 2, wherein:

9. The light source according to claim 1, wherein a waterproof elastic ring is provided around the electrode pin of the base.

10. The straight tube light source has a cylindrical light transmissive tube, and a plurality of lamps are housed in the light transmissive tube connected in the tube axis direction. The light source according to claim 1.

11. A linear member for connecting adjacent lamps, wherein the linear member is provided with an abutting portion for abutting an inner wall of the light-transmitting tube. Light source as described.

1 2. A cylindrical light-transmitting tube,

A plurality of lamps connected and housed in the light-transmitting tube along the tube axis direction;

A linear member having an abutting portion that abuts on the inner wall of the light-transmissive tube while connecting the adjacent lamps;

A light source comprising: a light source;

13. The light source according to claim 11, wherein the linear member has elasticity in a direction in which both connected lamps are brought closer to each other.

14. The linear member having a contact portion among the linear members disposed between the plurality of lamps, the linear member being disposed at every plural number of the lamps. 1 3 Light described

15. A socket to which the light source according to any one of claims 1 to 11, 13, and 14 is connected,

A socket body having a base connection surface to which a base part from which an electrode pin of the base of the light source protrudes is connected;

An insertion hole provided on the base connection surface of the socket body, wherein the electrode pin is inserted;

A terminal disposed inside the insertion hole and in contact with the electrode pin inserted into the insertion hole;

A socket characterized by having:

16. The socket to which the light source according to claim 7 or 8 is connected,

A socket body having a base connection surface to which a base portion of the base of the light source from which the electrode pin protrudes is connected from a substantially vertical direction; and a base connection surface of the socket body, wherein the electrode pin is substantially provided. An insertion hole inserted from a vertical direction,

An engaged portion provided on the socket body, to which a socket engaging piece of the light source is detachably engaged;

A socket characterized by comprising:

17. The socket according to claim 15 or 16, wherein the insertion hole is provided in an elongated shape corresponding to a tube axis direction of a light source to be connected.

18. A waterproof elastic ring which is in contact with a base of a light source at a peripheral portion of the insertion hole is provided. 7 Any of the sockets.

19.The socket to which the light source according to claim 6 is connected, wherein a socket body having an arc-shaped base connection surface to which a base portion from which an electrode pin of the base of the light source protrudes is connected;

An insertion hole provided on a base connection surface of the socket body, wherein an electrode pin is inserted from an arc direction by rotation of the base along the base connection surface;

A socket characterized by having:

20. A socket to which a light source according to claim 6 is connected. A socket body having a flat base connection surface to which a base portion from which an electrode pin of a base of the light source protrudes is connected,

An insertion hole provided on a base connection surface of the socket body, wherein an electrode pin is inserted from the slide direction by a slide of the base along the base connection surface;

A terminal arranged inside the insertion hole and in contact with the electrode pin inserted into the insertion hole;

A socket characterized by having: