CN102209872B

CN102209872B - Refrigeration device having adjustable-height refrigerated goods placement

Info

Publication number: CN102209872B
Application number: CN200880131954.9A
Authority: CN
Inventors: C·贝克
Original assignee: BSH Bosch und Siemens Hausgeraete GmbH
Current assignee: BSH Hausgeraete GmbH
Priority date: 2008-11-11
Filing date: 2008-11-11
Publication date: 2013-12-25
Anticipated expiration: 2028-11-11
Also published as: PL2347203T3; WO2010054683A1; RU2011121054A; EP2347203A1; RU2488051C2; EP2347203B1; CN102209872A

Abstract

The invention relates to a refrigeration device having a housing and a refrigerated goods placement (1) that can be continuously adjusted in height in the interior of the housing, at least one tooth profile (7) being attached to a wall of the interior, and the refrigerated goods placement (1) comprising a rotating body (5) engaging with the tooth profile (7) and a handle (8; 9) for rotationally driving the rotating body (5). The rotating body (5) is coupled to the handle (8; 9; 40; 45) by means of a freewheel (20, 22; 21, 22).

Description

There is the refrigerating plant for the height adjustable rack of chilled goods

Technical field

The present invention relates to refrigerating plant, especially household refrigerating device, for example refrigerator or refrigerator-freezer, comprise the continuous adjustable for height shelf for chilled goods.

Background technology

Be seen everywhere on market and have the refrigerating plant of horizontal guiding groove, the differing heights place of wherein said horizontal guiding groove on the sidewall of the inner space of refrigerating plant arranges, and can be inserted into described horizontal guiding groove for the shelf of chilled goods.The height in the cabin retrained by shelf can have a kind of structure of such type, its only with each groove between the mode of step of dispersion corresponding to distance change.Regulating is highly to make us dull and time-consuming, and this is because the shelf that need to be relocated must empty article and again settle article when shelf is reorientated before pulling out.

The refrigerating plant of putting down in writing in non-pre-disclosed German patent application DE 10 2,007 029 176 A1 is developed to make without at first emptying article ground realizes the highly adjusting easily for the shelf of chilled goods.In this refrigerating plant, for the shelf of chilled goods, be bearing in the tooth profiled member of the inside that is permanently affixed to refrigerating plant by means of the rotary body arranged on its bight.Rotary body can be driven in rotation via handle, and wherein said handle is connected to the leading edge for the shelf of chilled goods movably, in order to adjust the height of described shelf.

The freedom of motion of handle also is not more than the length for the leading edge of the shelf of chilled goods, thereby handle is enough in the whole free degree that moves both vertically at shelf adjust the shelf for chilled goods in the interior movement of this distance.Therefore, for the free degree that moves both vertically of the shelf of chilled goods, straitly limited or the user must apply very large power on handle, in order to adjust the shelf for chilled goods.

Summary of the invention

The object of the present invention is to provide a kind of refrigerating plant, it has the adjustable for height shelf for chilled goods continuously, and wherein, large vertical adjusting range is not conflicted mutually with the low actuation force on handle.

This purpose is connected to handle by rotary body via freewheel and realizes.Thereby the rightabout moving handle of a direction moving handle that can be driven along rotary body and the freewheel mode that is not driven along rotary body.Therefore the adjustment movement Vertical Free degree that is used for the shelf of chilled goods is no longer limited by the freedom of motion of handle, and can realize larger adjusting range and handle and will hang down actuation force being applied to the transfer ratio between the rotary body on handle.

Handle can be continued to use in the leading edge traveling priority of the shelf of chilled goods as described in above-mentioned document, especially directed on guide rail.

Handle rotary setting preferably on the contrary, form is rod member.

The rotation of rod member is preferably vertical, thereby makes power transmission mechanism between rod member and rotary body simplify, during the worm screw that especially is set to rotate around vertical axis at rotary body.

The range of movement of rod member can comprise the rest position be positioned at on the supporting member of chilled goods, and in this position, rod member occupies small space, and it can not affect the use of refrigerating plant negatively.At the actuated position of the supporting member away from for chilled goods, rod member will easily grasp and operate.

Power transmission mechanism between handle and rotary body preferably includes wheel, and this is taken turns driven via freewheel and is connected to rotary body via band or chain.

At two rotation positions, on the opposite edge of the shelf for chilled goods during with the contrary sidewall upper support shelf of the housing at refrigerating plant, band or chain preferably engage with two rotary bodies, thereby guarantee the rotary body synchronizing moving.

If the second rod member setting be connected with freewheel and this two rod members drive the rotary body rotation along contrary direction respectively, structure especially is simplified.

Described rod member preferably arranges in the mode of mirror image each other.

Each rod member preferably breaks away from and is connected with freewheel by its driving at its rest position, thereby at corresponding another rod member during in actuated position, will can't help the freewheel of the rod member in rest position by the motion of this another rod member driving and stop.

In favourable remodeling, between the rest position and actuated position of rod member, rod member can rotate around first axle, and, at the actuated position of rod member, rod member can be around the second axis rotation.Thereby particularly, engaging (rotary body is driven thus) in operating position in the form fit existed between rod member and wheel can be released at rest position.Wheel advantageously can the same axis rotation during in operating position around rod member.

In optional embodiment, can also switch the transmission direction of freewheel; In this case, single handle will be enough to make the supporting member for chilled goods to move up or down.

Rotary body can be especially gear or worm screw, and worm screw is due to the possibility of self-locking action but preferred.

Four connected rotary bodies preferably arrange in four bights of the framework of the supporting member for chilled goods, in order to support described supporting member and realize adjustable for height connection at described four points at four points.

The rotary body major part is contained in the cavity volume for the supporting member of chilled goods, and the open top side of described cavity volume is covered by shelf.

Be selected on the plate of the inwall that is fixed to housing and be moulded with the interactional flank profil quality award from the ministry of this rotary body.This will make inwall pull out and arrange by deep-draw in known manner, this be economical with save material, and make it possible to provide the size that is suitable for carry load suitable flank profil section simultaneously.

Two flank profil quality award from the ministry choosings arrange onboard, to simplify and to shorten the assembling of device.

The accompanying drawing explanation

Other characteristics of the present invention and advantage by the explanation by following illustrative examples with reference to accompanying drawing and clear, wherein:

Fig. 1 be for the shelf of chilled goods and for the perspective view of the wallboard of the supporting members support of described article;

Fig. 2 is the cutaway view of refrigerating plant, and wherein said refrigerating plant has a plurality of adjustable supporting member and the wallboard for chilled goods;

Fig. 3 is the fragmentary, perspective view for the framework of the shelf of chilled goods;

Fig. 4 is the schematic diagram for the first embodiment of the driving mechanism of the supporting member of chilled goods;

Fig. 5 is the top view for the bight of the framework of the supporting member of chilled goods, shows the second embodiment of driving mechanism;

Fig. 6 is the cutaway view along the line VI-VI in Fig. 5;

Fig. 7 is the cutaway view along the line VII-VII in Fig. 5;

Fig. 8 be according to third embodiment of the invention with the similar view of Fig. 1; And

Fig. 9 be according to fourth embodiment of the invention with the similar view of Fig. 4.

The specific embodiment

Fig. 1 is according to the supporting member for chilled goods 1 of first embodiment of the invention and the perspective view looked over from below of wallboard 2.Comprise the framework 3 of hollow for the supporting member 1 of chilled goods, the framework of wherein said hollow is at its open top and be roughly rectangle, and the open top side of the framework of described hollow is covered by plate 4, and wherein said plate 4 is made by safety glass.Four helical worm screws 5 are held in the projection of stretching out downwards at the place, four bights of framework 3.Worm screw 5 stretches out respectively the transverse edge over plate 4 a little, so as at tooth 6 upper supports that stretch out from wallboard 2 supporting member 1 for chilled goods.

The tooth 6 of the wallboard 2 illustrated in the drawings forms two vertical braces or flank profil sections 7 that point to, and its supporting is positioned at for two worm screws 5 on the left side of the supporting member 1 of chilled goods.The not shown in the drawings wallboard with respect to wallboard 2 mirror images is connected to the contrary sidewall of refrigeration device housing, thus support right worm screw 5.

Four worm screws 5 are connected to two rod members 8,9 in rest position shown in Fig. 1 via the driving mechanism do not further not described, and described two rod members flatly hold in a groove be formed on the front side of framework 3 in this position.Be provided with grasping part 10 on each free end toward each other of rod member 8,9, described grasping part stretches out and recess 11 forward direction downward-extensions on the downside of framework 3 from groove, thereby the user can easily grasp described grasping part.Each grasping part 10 is decorated has a mark, for example directional arrow 12, wherein said directional arrow to show the direction that can move for the supporting member 1 of chilled goods by activating corresponding rod member 8 or 9.

Fig. 2 shows the schematic cross sectional views of the body of refrigerating plant, and the wallboard 2 of a plurality of supporting members for chilled goods 1 and Fig. 1 shown type has been installed in this body.Body comprises inner pressurd vessel in known manner, and wherein said inner pressurd vessel is pulled out and formed and wallboard 2 has been fixed to, especially has been bonded to the sidepiece of described inner pressurd vessel by the plastics deep-draw.In order to simplify the installation of wallboard 2, can preformed in the sidewall of inner pressurd vessel with the plano-concave section of wallboard complementation, wallboard 2 is inserted in described plano-concave section in the mode of form fit in the process of assembling.

In the embodiment shown in Figure 2, corresponding with the vertical length of flank profil section 7 for the adjustment motion vertical free degree of chilled goods, wherein supporting members support is in described flank profil section.Although what can expect is that two or more wallboards 2 are merged as shown in the figure, thereby increase the Vertical Free degree of the adjustment campaign of the supporting member 1 that is used for chilled goods, but the embodiment of Fig. 2 is preferred, this is because be that supporting member 1 for chilled goods can very closely be close together by the unique result that a plurality of wallboards 2 is merged to the extra free degree of the adjustment campaign that can realize basically.But, if described supporting member is too close, can not between the supporting member 1 for chilled goods, adopt cabin.

Fig. 3 is the perspective view in the front left bight of framework 3.Direct visible helical worm screw 5 in bight, its front flank profil section 7 with wallboard 2 meshes.Sprocket wheel 13 is connected to worm screw 5 in non-rotatable mode.Only show in the figure the continuous chain 14 of a circle, this chain extends and coiling sprocket wheel 13 and the sprocket wheel to arrange in the mirror image mode in the front right corner portion (not shown) of framework 3 in the front lateral struts of hollow frame 3, wherein should belong to the worm screw 5 by a rear sprocket wheel there.

Left rod member 8 in these two rod members 8,9 is pivoted to an actuating position from the front side of framework 3; In this position, described rod member engages with chain 14 via detent mechanism, and wherein said detent mechanism is hidden by the tray-shaped bottom 15 of rod member 8 in the figure.Another rod member 9 illustrates in rest position; In this position, the detent mechanism of described rod member 9 fully breaks away from and is connected with chain 14.

Can use dissimilar detent mechanism within the scope of the invention: one type for example shown in Figure 4.The housing of framework 3 omits in the figure for reason clearly; What from top, can see is the helical worm screw 5 that is arranged in front left and the right corner portion of framework, sprocket wheel 13 is connected to helical worm screw and the chain 14 described sprocket wheel of reeling in non-rotatable mode, and additional sprocket wheel 16 is connected to worm screw 5 in non-rotatable mode and sprocket wheel that each is additional is connected to the worm screw in rear left or right corner portion via additional continuous chain 17; And rod member 8,9.Rod member 8,9 is respectively around the rotation rotation of the

additional sprocket wheel

18,19 of chain 14 interior

joints.Sprocket wheel

18,19 is rigidly connected to respectively escapement step wheel (detent step wheel) 20,21.In utilizing left rod member 8 operating position as shown in the figure as an example, the escapement finger 22 be connected with rod member 8 engages with escapement step wheel 20, thereby, when rod member 8 rotates clockwise, the motion of rod member 8 will be passed to sprocket wheel 18, and chain 14 along clockwise direction thereby driven circulation.If rod member 8 is rotated in the counterclockwise direction on the contrary, the step of escapement step wheel 20 will be crossed in escapement finger 22, thereby sprocket wheel 18 will be still static.

In the rest position of rod member 9, the escapement finger 22 of rod member 9 is left from escapement step wheel 21 by the protuberance 23 of framework 3, thereby sprocket wheel 19 may freely be followed the motion of chain 14.At rod member 9, during in rest position, all worm screws 5 can both be driven by means of rod member 8 by this way in the same direction rotatably, and the left and right that will depend on worm screw 5 for the supporting member 1 of chilled goods to and motion up or down.At rod member 8, during in rest position, the escapement finger of rod member 8 is left from escapement step wheel 21 by corresponding protuberance 23, and can along contrary direction, move by means of rod member 9 for the supporting member of chilled goods.

In Fig. 5, above the front left bight of framework 3 and Fig. 6 and 7, the mode with the cutaway view of the plane VI-VI along shown in corresponding Fig. 5 and VII-VII shows the remodeling with driving mechanism of simplifying freewheel.In this embodiment, chain 14 is with 24 to substitute by what have a tooth equally.What have tooth extends past all four the horizontal and vertical pillars that form framework 3 with 24, and at the place, all four bights of the supporting member for chilled goods, the sprocket wheel of helical worm screw 5 13 is connected with each other.By by two guide reels 25 guiding, what have tooth is with 24 also to be wound on a gear 26, and wherein said gear 26 basically is hidden and illustrates with the form of dotted line in top view as shown in Figure 5 below the bottom 15 of rod member 8.

Shown in the cutaway view of Fig. 6, be molded with circular cylindrical shell 27 as single parts on the bottom of framework 3, gear 26 has been fixed to described circular cylindrical shell, and described circular cylindrical shell has been determined the rotation A of gear.

The bottom 15 of rod member 8 consists of two parts.The first moulding section 28 of bottom 15 has base plate 29, its in Fig. 5 from above look over the form into fan-shaped or sector, its top is excised and is extended with a circular cylindrical shell 30 from downside, and the part of described circular cylindrical shell rotatably is bonded in the shell 27 of framework 3.The top of the excision of base plate 29 is extended with a ring 31, and wherein said ring can be around the axis A of

shell

27,30 rotation with respect to framework 3.The second moulding section 32 of rod member 8 rotatably engages in described ring 31.

The second moulding section 32 has the base plate 33 of circular, is extended with a lever arm 34 from the base plate of described circular as single parts, in the free end upper support grasping part 10 of described lever arm.Be attached to the pin of described base plate at ring 31 interior joints.Base plate 33 has center cutout, and the base plate 29 of the first moulding section 28 holds in described center cutout, is suitable for a little around being rotated by the determined axis B of ring 31.At rest position as shown in Figure 5, the edge 29a of the front side towards framework 3 of base plate 29 abuts against the edge of the interior otch of base plate 33 in the mode of form fit, and leaves a space 35 between the contrary edge of the back edge 29b of base plate 29 and otch.In order accurately to guide

moulding section

28,32 around the rotatablely moving each other by the determined axis B of shell 30, base plate 29 has groove at it on the edge away from shell 30, and the spring 36 that is attached to base plate 33 engages movably in groove.Helical spring 37 is positioned at space 35, in order to stably these two

moulding sections

28,32 are kept toward each other in mode as shown in the figure.

Form a protuberance 38 on the downside of base plate 33, described protuberance has the tooth 39 towards gear 26.The user by rod member 8 from its rest position forward during pivotable, this will make the second moulding section 32 around the axis B of ring 31 rotation at first, therefore, protuberance 38 contacts with gear 26.If tooth 39 touches by the tooth on gear 26, the second moulding section 32 will be blocked around axis B and rotate, and the axis A of shell 27 will become new rotation.Two

moulding sections

28,32 of rod member 8 will be in the state around gear 26 rotations, until tooth 39 moves in the internal tooth space of gear 26.When this kind of situation occurs, in fact space 35 will be sealed, and will produce complementary space on the front side of base plate 29.

If rod member 8 is further rotated along clockwise direction in this structure, it is driven gear 26, and, via described gear, what have tooth is with 24 will be rotatably driven along clockwise direction together with all worm screws 5 with it.

If the user is revolving rod 8 in the counterclockwise direction, result is that helical spring 37 relaxes and tooth 39 shifts out from gear 26 at first.The second moulding section continues rotation around the axis B of ring 31, until the space on the leading edge 29a of base plate 29 is sealed again.Rod member 8 after this will be again around axis A rotation, but because tooth 39 has shifted out from gear 26, so will can not drive there is tooth be with 24.Therefore, worm screw 5 will rest on their residing places.Worm screw 5 will can not driven again, until rod member 8 is rotated in a clockwise direction again.Thereby, for the supporting member 1 of chilled goods can significant distance be interior vertically be relocated by following measures one, utilize the low driving force that applies revolving rod 8 repeatedly back and forth.Between rod member 8 and worm screw 5, the gearratio of suitable selection will be guaranteed also can be relocated by applying only slightly little power for the even supporting member 1 of heavy duty of chilled goods.

Rod member 9 is constructed and is set up in the mode of rod member 8 accurate mirror images as illustrated in Figures 5 and 6.Because the tooth of rod member shifts out from the gear that is attached to it at rest position, so it will can not stop the actuating of rod member 8, and if rod member 8 is in rest position, the supporting member 1 for chilled goods can be relocated along contrary direction by activating rod member 9.

Fig. 8 be according to the part of the mobile-bearing for chilled goods of third embodiment of the invention with the similar perspective view of Fig. 1.Be used for supporting member 1 outward appearance of chilled goods basically with identical as shown in Figure 1, difference is that two rod members 8,9 of mutually being oppositely arranged in the mirror image mode are replaced by single rod member 40 in this embodiment, and wherein said single rod member for example drives at the chain of framework 3 interior shuttling movements or has the band of tooth from hand-operated tools via known detent mechanism.The driving direction of detent mechanism is definite by switch 41 in the same mode known by workshop tools, and wherein said switch 41 can be around the rotation rotation of rod member 40.Opening the actuation part of the switch 41 on the downside that is positioned at framework 3 has extended until the front side of framework 3, thereby the position of depending on there switch 41 is pointed to one in two orienting arrows 12, show the current direction of setting that the supporting member 1 for chilled goods will move on switch 41.

Fig. 9 shows the horizontal cross according to the framework 3 of the supporting member for chilled goods 1 of another simplified embodiment of the present invention.Single chain 14 is at the sprocket wheel 13 of all four worm screws 5 of the interior coiling of framework 3.One elongated level trough is formed on the front side of framework 3 at the At The Height of the cutting planes shown in Fig. 9.The actuation part 44 be rigidly connected at the slide block 43 of framework 3 interior guiding extends past described groove.The direction that sliding pin 45 moves transverse to slide block 43 in actuation part 44 is directed.Sliding pin can be pulled to position as shown in the figure by means of unshowned spring.Slide block 43 freely moves in this position; It can be without being moved to the left or to the right by chain 14 with driving.Yet, if thereby its top of sliding pin 45 pressurizeds engages between two chain links of chain 14, and slide block 43 will drive chain 14 when mobile, and worm screw 5 will be driven in rotation.The user can be by following measures at an enough interior supporting member of vertically reorientating for chilled goods of large distance, and the mode moving slider 43 be pressed into sliding pin 45 along first direction and the mode be not pressed into slide block 45 move described slide block along contrary direction.

Claims

1. a refrigerating plant, comprise housing and for the shelf (1) of chilled goods, wherein said shelf can be adjusted continuously height in the inner space of described housing, at least one flank profil section (7) is fixed to the wall of described inner space, and the described shelf for chilled goods (1) has with the rotary body (5) of described flank profil section (7) engagement and for rotariling actuate the handle (8 of described rotary body (5); 9; 40; 45), it is characterized in that, described rotary body (5) utilizes a freewheel (20,22; 21,22; 28,33; 43,44,45) be connected to described handle (8; 9; 40; 45),, so that this freewheel is connected between described rotary body and described handle, one via described freewheel (20,22; 21,22; 28,33) drivenly take turns (18; 26) be connected to described rotary body (5) via a drive unit, wherein said drive unit is band or chain (14).

2. refrigerating plant according to claim 1, is characterized in that, described handle is set to rod member (8; 9; 40).

3. refrigerating plant according to claim 2, is characterized in that, described rod member (8; 9; 40) can be around a vertical axis rotation.

4. according to the described refrigerating plant of claim 2 or 3, it is characterized in that described rod member (8; 9; 40) can between the described actuated position left for the shelf of chilled goods, rotate at a rest position and.

5. refrigerating plant according to claim 4, is characterized in that, described rod member (8; 9; 40) be applied in and abut against the described shelf for chilled goods at its rest position.

6. refrigerating plant according to claim 4, is characterized in that, described rod member can rotate around first axle (B) and can rotate around the second axis (A) at its actuated position between its rest position and actuated position.

7. refrigerating plant according to claim 4, is characterized in that, described rod member (8) is taken turns (18) at its actuated position in the mode of form fit and engaged with one, and is disengaged at the described rod member of described rest position.

8. refrigerating plant according to claim 7, is characterized in that, the described wheel (18) can be rotated around the second axis (A).

9. refrigerating plant according to claim 1, is characterized in that, two rotary bodies (5) are positioned at the contrary edge of the described shelf for chilled goods (1), and described drive unit engages with two rotary bodies (5).

10. according to the arbitrary described refrigerating plant of claims 1 to 3, it is characterized in that, the second rod member (9 be connected with freewheel is set; 8), and described these two rod members (8; 9) drive described rotary body (5) rotation along contrary direction respectively.

11. refrigerating plant according to claim 10, is characterized in that, described rod member (8; 9) in the mode of mirror image each other, arrange.

12. refrigerating plant according to claim 10, is characterized in that, each rod member (8; 9) its rest position with by the freewheel (20,22 of its driving; 21,22) break away from and connect.

13. according to the arbitrary described refrigerating plant of claims 1 to 3, it is characterized in that, the transmission direction of described freewheel can be switched (41).

14. according to the arbitrary described refrigerating plant of claims 1 to 3, it is characterized in that, described rotary body is worm screw (5) or worm gear.

15. according to the arbitrary described refrigerating plant of claims 1 to 3, it is characterized in that, four connected rotary bodies (5) arrange in four bights of the framework (3) of the described shelf for chilled goods (1), flank profil section (7) engagement of described bight and corresponding configuration.

16. refrigerating plant according to claim 15, is characterized in that, described framework (3) is set to the framework of hollow, and the open top side of described hollow frame (3) is covered by a shelf (4).

17. according to the arbitrary described refrigerating plant of claims 1 to 3, it is characterized in that, at least one flank profil section (7) is upper molded and shaped at the plate (2) of the inwall that is fixed to described housing.

18. refrigerating plant according to claim 17, is characterized in that, described plate (2) has two flank profil sections (7).

19. according to claim 1 or 2 or 3 described refrigerating plants, it is characterized in that, described refrigerating plant is household refrigerating device.