CN201387499Y

CN201387499Y - Optical fiber connector

Info

Publication number: CN201387499Y
Application number: CN200920131033U
Authority: CN
Inventors: 周孝龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-22
Filing date: 2009-04-22
Publication date: 2010-01-20
Anticipated expiration: 2019-04-22

Abstract

The utility model relates to the field of optical devices, and provides an optical fiber connector which comprises at least two locating pins connected with locating holes, a first connecting seat which comprises a first step hole which allows optical fiber to penetrate through and is a segmented structure, a clamping groove which adapts to the locating pins and is used for clamping the locating pins, a second connecting seat which is butt-jointed with the first connecting seat and comprises a second step hole which allows the optical fiber to penetrate through and is a segmented structure, and a spring whose one end is contained in the first step hole and the other end is contained in the second step hole. The connector comprises the first connecting seat, the second connecting seat, the locating pins and the spring, has simple and reliable structure and smaller volume, and can be inserted into a data or communicating device with high density. The connector is provided with a hand-held structure which facilitates to disassemble the optical fiber connector.

Description

The joints of optical fibre

Technical field

The utility model relates to the optical device field, more particularly, relates to a kind of joints of optical fibre.

Background technology

The joints of optical fibre can make the segmentation fiber alignment.For example, data processing equipment or communication facilities are connected with signal source by optical fiber cable, and the direct fiber alignment of fiber alignment between signal source and the said equipment or equipment and equipment just needs the joints of optical fibre to handle.When equipment moves, need and will dismantle on the joints of optical fibre slave unit, general by the hand-held joints of optical fibre, will extract on its slave unit.Existing data processing equipment or communication facilities may need to receive or outputting multiplex signals, to realize various function.This just require the joints of optical fibre simple in structure, volume is less, can realize that high density is plugged in equipment, and more easily dismantle on the slave unit.

The utility model content

The purpose of this utility model is to provide a kind of simple in structure, joints of optical fibre that volume is less.Be intended to reduce taking up room of the joints of optical fibre, realize that a plurality of joints of optical fibre high density are plugged in equipment.

The utility model joints of optical fibre are used to connect Optical fiber plug and optical device.Optical fiber plug is provided with the pilot hole that is used for the positioning optical waveguides connector.These joints of optical fibre comprise:

At least two register pins are connected with pilot hole;

First Connection Block comprises and can pass, be the first step hole of segmental structure for optical fiber cable, and draw-in groove adaptive with register pin, that be used to hold register pin;

Second Connection Block docks with first Connection Block, comprises passing, to be the second step hole of segmental structure for optical fiber cable;

Spring, an end is contained in the first step hole, and the other end is contained in the second step hole.

In the such scheme, spring comprises a kind of in square spiral spring and the cylindrically coiled spring at least.

The first step hole can comprise first host cavity consistent with the spring profile, and and spring inwall first optical-fibre channel of the same size.

The second step hole can comprise second host cavity consistent with the spring profile, and and spring inwall second optical-fibre channel of the same size.

Above-mentioned first host cavity and the second host cavity lateral sidewalls can be provided with back-off structure, hold spring.

Register pin can be provided with the annular groove adaptive with draw-in groove, with the first Connection Block clamping.

The second Connection Block lateral wall can be provided with elastic arm, the snapping Optical fiber plug.And the tail end outside relative with second accepting hole, one end can be provided with hand held structures.

The above-mentioned joints of optical fibre also can comprise fiber boot, are positioned at described spring inwall, and an end is fixedlyed connected with the first step hole, and the other end inserts the second step hole.

This fiber boot and first Connection Block can be one-piece construction, make by formed in mould technology.

As from the foregoing, the utility model joints of optical fibre comprise first Connection Block, second Connection Block, register pin and spring, and are simple and reliable for structure and volume is less, therefore can realize that high density is plugged in data or communication facilities.And be provided with hand held structures, can make things convenient for joints of optical fibre dismounting.

Description of drawings

Fig. 1 is the structural representation of the joints of optical fibre in the embodiment of the present utility model;

Fig. 2 A is the external structure synoptic diagram of first Connection Block among the embodiment of above-mentioned embodiment;

Fig. 2 B is the inner structure synoptic diagram of first Connection Block among above-mentioned Fig. 2 A;

Fig. 3 is the partial structurtes synoptic diagram of second Connection Block in the above-mentioned embodiment;

Fig. 4 is the syndeton synoptic diagram of the joints of optical fibre in another embodiment of the present utility model.

In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.

Embodiment

Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

Fig. 1 shows the structure of the joints of optical fibre in the embodiment of the present utility model.These joints of optical fibre are used to connect Optical fiber plug and optical device.These joints of optical fibre comprise register pin 1, first Connection Block 2, second Connection Block 3 and spring 4.Wherein, register pin 1 is connected with the pilot hole of Optical fiber plug.First Connection Block 2 comprises the first step hole 21 that can supply optical fiber cable 5 to pass.The lateral sidewalls 22 in this first step hole 21 can be provided with the draw-in groove 221 adaptive with register pin 1, holds register pin 1.Second Connection Block 3 can dock by spring 4 with first Connection Block 2, and this second Connection Block 3 can be provided with second step hole 31 (detailed structure in this second step hole 31 will be described in detail) in the embodiment of subsequent figure 3.The passage that this second step hole 31 can form optical fiber cable 5 with first step hole 21 passes through for optical fiber cable 5.Spring 4 one ends are contained in first step hole 21, and the other end is contained in second step hole 31.

Fig. 2 A shows the outer portion connecting structure of first Connection Block 2 in the above-mentioned embodiment.Shown in Fig. 2 A, this first Connection Block can comprise the first step hole 21 that can accommodate spring 4 and the draw-in groove 221 that can hold register pin 1.

Draw-in groove 221 is positioned at the lateral sidewalls 22 in first step hole 21, and is adaptive with register pin 1.In the above-described embodiments, register pin 1 is provided with the annular groove 11 adaptive with draw-in groove 221.Draw-in groove 221 can comprise that register pin 1 inlet end 2211 and register pin 1 hold end 2212.The width of inlet end 2211 can be less than the diameter of annular groove 11.The size that holds end 2212 can equal the diameter of annular groove 11.Because the material of first Connection Block 2 is a plastic cement, can produce elastic deformation, when register pin 1 links to each other with draw-in groove 221 by annular groove 11, inlet end 2211 and hold end 2212 and can hold to register pin 1 formation.

Fig. 2 B shows the inner structure of first Connection Block 2 in the foregoing description.First step hole 21 is adaptive with the profile of spring 4.In one embodiment, first step hole 21 is divided into first host cavity 211 and as first optical-fibre channel 212 of optical fiber cable, and first host cavity, 211 sizes that are used to accommodate spring 4 are consistent with the physical dimension of spring 4.The inwall consistent size of the size of first optical-fibre channel 212 and spring 4.

Spring 4 can be the square spiral spring.This spring 4 can make second Connection Block 3 eject from Optical fiber plug, makes joints of optical fibre replacing and keeps in repair more convenient.This square spiral spring can be saved taking up room of optical fiber cable.For example, in one embodiment, the Width that this square spiral spring can be set is equal to or slightly greater than the length that is arranged side by side of optical fiber cable, and highly can be equal to or slightly greater than the diameter of optical fiber cable 5.Spring 4 also can be a cylindrically coiled spring.Can be provided with according to the arranging situation of the optical fiber connectivity port of data processing equipment or communication facilities.For example, if the optical fiber connectivity port is transversely arranged, during grafting, Width is limited, then can select spring 4 to be cylindrically coiled spring.If the optical fiber connectivity port is vertical array, during grafting, short transverse is limited, can select the square spiral spring.

Also back-off structure 2111 can be set at the sidewall of host cavity 211.This back-off structure 2111 is consistent with the assembly direction of spring 4 to be the barb-like lateral sidewalls that is positioned at host cavity 211.But restraining spring 4 is outwards extracted easily.For example, when spring 4 and host cavity 211 assemblings, circle of one in the spring 4 or multi-turn can be connected in back-off structure 2111 by distortion, form clamping.Thereby restraining spring 4 is outwards extracted easily or is broken away from first Connection Block 2.The material of first Connection Block 2 can be a plastic cement, and back-off 2111 can be by the body one-shot forming of the mould and first Connection Block 2.

Fig. 3 shows the syndeton of second Connection Block 3 in the above-mentioned embodiment.

This second Connection Block 3 comprises second step hole 31, elastic arm 32 and afterbody 33.Wherein, second step hole 31 is a segmental structure, comprises being used to accommodate second host cavity 311 of spring 4 and second optical-fibre channel of passing through for optical fiber cable 312.The shape in above-mentioned second step hole 31 can be consistent with the shape in first step hole 21.Also can be provided with and the consistent position limiting structure of back-off structure 2111 shapes, in order to limit spring 4.

Elastic arm 32 and Optical fiber plug snapping.For example, in one embodiment, Optical fiber plug has two connecting holes that can connect register pin 1.Also comprise a snapping hole, be used for snapping elastic arm 32, the joints of optical fibre are connected with this Optical fiber plug.Connect when elastic arm 32 breaks away from from the snapping hole, spring 4 can eject second Connection Block from optical fiber attachment plug, to be convenient for changing and to keep in repair the joints of optical fibre.

Afterbody 33 is provided with hand held structures 331, and is hand-held when being used to peg graft.This hand held structures can be fin or the groove that ring afterbody 33 is provided with.When staff contacts with this hand held structures 331, can increase the friction force between people's watch face and this hand held structures 331 surfaces.This hand held structures also can be the rat that can increase friction force.

Fig. 4 shows the syndeton of the joints of optical fibre in another embodiment of the present utility model.In the foregoing description, the joints of optical fibre also can comprise fiber boot 6, are used to protect optical fiber cable 5.

This fiber boot 6 can be a garment bag structure, and the centre is provided with through hole and passes for optical fiber cable 5.This garment bag structure is arranged in the inner chamber of spring 4, and the one end is fixedlyed connected with first step hole 21, and the other end stretches in the second step hole 31.For example, in an example, fiber boot 6 outside ends can closely can be connected with first step hole 21, the other end of this step passes spring 4 and stretches in second optical-fibre channel 312 in second step hole 31.In another example, also the fiber boot 6 and first Connection Block 2 can be made an integral body, make by formed in mould technology.

The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims

1, a kind of joints of optical fibre connect Optical fiber plug and optical device, and described Optical fiber plug is provided with the pilot hole that is used for the positioning optical waveguides connector, it is characterized in that, comprising:

At least two register pins are connected with described pilot hole;

First Connection Block comprises and can pass, be the first step hole of segmental structure for optical fiber cable, and draw-in groove adaptive with described register pin, that be used to hold described register pin;

Second Connection Block docks with described first Connection Block, comprises passing, to be the second step hole of segmental structure for optical fiber cable;

Spring, an end are contained in described first step hole, and the other end is contained in the second step hole.

2, the joints of optical fibre according to claim 1 is characterized in that, described spring comprises a kind of in square spiral spring and the cylindrically coiled spring at least;

Described first step hole comprises first host cavity consistent with the spring profile, and and spring inwall first optical-fibre channel of the same size;

Described second step hole comprises second host cavity consistent with the spring profile, and and spring inwall second optical-fibre channel of the same size.

3, the joints of optical fibre according to claim 2 is characterized in that, described first host cavity and the second host cavity lateral sidewalls are provided with back-off structure, hold described spring.

4, the joints of optical fibre according to claim 1 is characterized in that, described register pin is provided with the annular groove adaptive with described draw-in groove, with the described first Connection Block clamping.

5, the joints of optical fibre according to claim 1 is characterized in that, the described second Connection Block lateral wall is provided with elastic arm, the snapping Optical fiber plug.

6, the joints of optical fibre according to claim 5 is characterized in that, in described second Connection Block, the tail end outside relative with second accepting hole, one end is provided with hand held structures.

7, the joints of optical fibre according to claim 1 is characterized in that, also comprise fiber boot, are positioned at described spring inwall, and an end is fixedlyed connected with the first step hole, and the other end inserts described second step hole.

8, the joints of optical fibre according to claim 7 is characterized in that, the described fiber boot and first Connection Block are one-piece construction, make by formed in mould technology.