CN206113499U - Liftable shelf and refrigerator - Google Patents

Abstract

The utility model relates to a household electrical appliances technical field especially relates to a liftable shelf and refrigerator, rack A and rack B including vertical setting, rack A's the flank of tooth with rack B's the flank of tooth sets up relatively, is equipped with gear A and gear B between rack A and the rack B, gear A respectively with rack A and the meshing of gear B, gear B with the meshing of rack B, rack A with rack B one side sliding connection fixed plate, gear B passes through axis of rotation swing joint on the fixed plate, it passes and stretches out the transfer line A of fixed plate to be equipped with one end on the fixed plate, but transfer line A axial is rotated, transfer line A's one end with gear A's central fixed connection, be equipped with on the fixed plate and be used for locking and relieve transfer line A's locking device. The utility model discloses to highly advancing line location, realize the height of effective regulation activity shelf as required, it is convenient to adjust to the mode stability that adopts gear connection is good.

Description

A kind of liftable shelf and refrigerator

Technical field

This utility model is related to an electro-technical field, more particularly to a kind of liftable shelf and refrigerator.

Background technology

Currently the majority refrigerator shelf is the plastics shelf of single rectangular flat plate glass shelf or flat board, glass Shelf is placed on above case courage rib or is stuck in what case courage rib was fixed up above by the structure that itself and case courage coordinate；Shelf It is the fixed upper, middle and lower position for being placed on casing, it is impossible to height and the position of shelf are arbitrarily adjusted, for high, deep big volume Refrigerator, deposits on the shelf of the superiors and taking-up food is very inconvenient.

There is a small amount of brand refrigerator to be proposed the refrigerator of liftable shelf in the market, meet client and differing heights are eaten The storage demand of thing and other articles for use.Such as the patent No. 201510149798.0, patent name is the patent of rack assembly and refrigerator In, by arranging draw-in groove on the side wall of refrigerator, in draw-in groove the multiple rotary knobs of interval setting with supporting shelf, this design Exist and cannot as required adjust arbitrary height, the height for being adjusted can only be the spacing between two rotary knobs.Phase As, Patent No. 201120239738.5, patent name is in the patent of refrigerator and its storage rack lifting device, by refrigerator Upper to arrange multiple draw-in grooves matched with shelf both sides support blocks, be fastened in draw-in groove by support block is carried out admittedly to shelf Fixed, this design equally exists the deficiency that cannot as required adjust arbitrary height, also, when the height of shelf is adjusted, Need to hold shelf, inconvenient operation manually.A kind of lifting type shelf also for example described in patent CN01112021.5, leads to Overregulating can integrally move up and down shelf, and the advantage of such shelf is the height that can effectively adjust shelf, be the article of lower section Save space is put, and the effect of shelf can be effectively utilized.But it is not enough that this structure there is also adjustable height, and Shelf place weight when, it may appear that leading screw thread off it is dangerous the shortcomings of.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of liftable shelf, can as needed adjust shelf Highly, the height of mobile shelving, and easy to adjust, good stability can effectively be adjusted.

The technical scheme that this utility model solves above-mentioned technical problem is as follows：A kind of liftable shelf, including being vertically arranged Tooth bar A and the flank of tooth of tooth bar B, the flank of tooth of the tooth bar A and the tooth bar B be oppositely arranged, the tooth bar A and tooth bar B Between be provided with gear A and gear B, the gear A is ratcheting with the tooth bar A and the gear B respectively, the gear B and described Tooth bar B is ratcheting；The tooth bar A and the tooth bar B sides are slidably connected a fixed plate, and the gear B is connected by rotary shaft activity It is connected in the fixed plate, the fixed plate is provided with drive link A of the one end through and out the fixed plate, the drive link A can axial rotation, one end of the drive link A is fixedly connected with the center of the gear A；The fixed plate is provided with for locking Locking device that is tight and decontroling the drive link A.

The beneficial effects of the utility model are：Drive link A is rotated, the axial rotation of drive link A drives the rotation of gear A, So as to drive the rotation of the gear B ratcheting with gear A so that gear A and gear B are along the length direction of tooth bar A and tooth bar B Lower movement, is then locked by locking device to drive link A, and height is positioned, and realization is effectively adjusted as needed The height of mobile shelving, it is easy to adjust, and the good stability by the way of gear connection.

On the basis of above-mentioned technical proposal, this utility model can also do following improvement.

Further, the locking device is ratchet mechanism A, and the ratchet mechanism A includes ratchet A and for spine described in locking The ratchet A that wheel A is rotated, the ratchet A are set on the drive link A, and the axial rotation of the drive link A drives the ratchet A is rotated along its axis, and the ratchet A is located in the fixed plate by rotary shaft.

It is using the beneficial effect of above-mentioned further scheme：Locking device adopts ratchet mechanism A so that drive link A can One-directional rotation, in this application, drive link being capable of backwards rotation so that gear A and gear B can be moved up；When need to When lower mobile, adjust ratchet A so that ratchet A departs from ratchet, under gravity, gear A and gear B drive drive link A to Lower movement, adjusts ratchet A locking ratchets after arrival needs position, realizes positioning.

Further, also including drive link B and for adjust the ratchet A near and away from the ratchet backstop of the ratchet A Block, one end of the drive link B is movably connected in the fixed plate, and the ratchet stop block is fixed on the drive link B, The axial rotation of the drive link B drives the ratchet stop block to compress the ratchet A, so that the ratchet A is away from institute State ratchet A.

It is using the beneficial effect of above-mentioned further scheme：When needing ratchet A to depart from ratchet A, by rotating drive link B, drives ratchet stop block low pressure ratchet A so that ratchet A departs from ratchet A, easy to operate.

Further, the fixed plate is provided with extension spring A, and the extension spring A is located between the ratchet A and the ratchet A, institute The one end for stating extension spring A is fixed in the fixed plate, and the other end is fixedly connected with the middle part of the ratchet A, and the extension spring A is used for The ratchet A is pulled to abut the ratchet A.

It is using the beneficial effect of above-mentioned further scheme：The setting of extension spring A can facilitate ratchet A to be reset to locking ratchet A, Depart from after ratchet A causes gear A and gear B to drop to and need position in ratchet A, unclamp drive link B, in the presence of extension spring A, Ratchet A resets, and ratchet A is locked again, realizes positioning.

Further, the drive link B is provided with rotation handle B away from one end of the ratchet stop block.

It is using the beneficial effect of above-mentioned further scheme：Rotate the convenient rotation drive link B of setting of handle B.

Further, the drive link A is provided with rotation handle A away from one end of the gear A.

It is using the beneficial effect of above-mentioned further scheme：Rotate the convenient rotation drive link A of setting of handle A.

Further, the rotation handle A is provided with ratchet mechanism B, and the ratchet mechanism B includes ratchet B, ratchet B and drawing Spring B, the ratchet B is set on the drive link A, and the axial rotation of the drive link A drives the ratchet B axle to rotation, One end of the ratchet B is flexibly connected by rotary shaft with the rotation handle A, and the extension spring B is located at the ratchet B and described Between ratchet B, one end of the extension spring B is fixedly connected with the rotation handle A, and the other end connects the middle part of the ratchet B, institute Stating extension spring B drives the ratchet B to abut the ratchet B.

It is using the beneficial effect of above-mentioned further scheme：Arrange in handle A ratchet mechanism B rotating, it is convenient to rotate handss Handle A can reset after rotation.

Further, the gathering sill being vertically arranged is equipped with the tooth bar A and the tooth bar B relative side, it is described solid Slide and be located in the gathering sill in two sides of fixed board.

It is using the beneficial effect of above-mentioned further scheme：The setting of gathering sill can be oriented to the movement of fixed plate, Improve the stability of fixed plate.

Further, the periphery of the fixed plate is provided with the baffle plate for protecting the ratchet mechanism A.

It is using the beneficial effect of above-mentioned further scheme：The setting of baffle plate can be protected to ratchet mechanism A, it is to avoid be had Water is entered and dropped onto on ratchet mechanism A.

A kind of refrigerator, including refrigerator body and liftable shelf as described above, the liftable shelf is located at the ice In vivo, the liftable shelf is provided with shelf to case sheet.

It is using the beneficial effect of such scheme：Liftable shelf is set in refrigerator body, shelf can be arbitrarily adjusted Height and position, for high, deep big volume refrigerator, conveniently deposit and take out food on the shelf of the superiors.

Further, the lead column being vertically arranged is provided with the refrigerator body, the lead column is put through and out described Plate.

It is using the beneficial effect of above-mentioned further scheme：The setting of lead column can be led to the movement that shelf is carried out To, it is ensured that the stability of dividing plate movement.

Description of the drawings

Fig. 1 is the dimensional structure diagram of this utility model liftable shelf；

Fig. 2 is the dimensional structure diagram of this utility model liftable shelf, and the internal junction for rotating handle A is shown in accompanying drawing Structure；

Fig. 3 is the dimensional structure diagram of this utility model liftable shelf, and tooth bar A and fixed plate are not drawn in accompanying drawing；

Fig. 4 is the dimensional structure diagram of this utility model liftable shelf, and tooth bar A and fixed plate are not drawn in accompanying drawing；

Fig. 5 is the top view of this utility model liftable shelf；

Fig. 6 is the sectional view in A-A faces in Fig. 5；

Fig. 7 is the rearview of this utility model liftable shelf；

Fig. 8 is the scheme of installation of ratchet mechanism A in this utility model liftable shelf, ratchet A lockings ratchet in accompanying drawing A；

Fig. 9 is the scheme of installation of ratchet mechanism A in this utility model liftable shelf, and ratchet A departs from ratchet in accompanying drawing A；

Figure 10 is the structural representation of this utility model refrigerator；

Figure 11 is the schematic diagram that this utility model middle partition board in refrigerator is arranged on liftable shelf；

Figure 12 is a kind of structural representation of embodiment of this utility model refrigerator.

In accompanying drawing, the list of parts representated by each label is as follows：

1st, tooth bar A, 2, tooth bar B, 3, gear A, 4, gear B, 5, fixed plate, 6, rotary shaft, 7, drive link A, 8, ratchet machine Structure A, 8-1, ratchet A, 8-2, ratchet A, 9, drive link B, 10, ratchet stop block, 11, extension spring A, 12, rotate handle B, 13, rotate Handle A, 14, ratchet mechanism B, 14-1, ratchet B, 14-2, ratchet B, 14-3, extension spring B, 15, gathering sill, 16, refrigerator body, 17, Shelf, 18, lead column, 19, baffle plate.

Specific embodiment

Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality It is new, it is not intended to limit scope of the present utility model.

As shown in figure 1, this utility model includes tooth bar A1 and tooth bar B2, the flank of tooth of the tooth bar A1 and the institute being vertically arranged The flank of tooth for stating tooth bar B2 is oppositely arranged, and gear A 3 and gear B 4, the gear are provided between the tooth bar A1 and the tooth bar B2 A3 is ratcheting with the tooth bar A1 and the gear B 4 respectively, and the gear B 4 and the tooth bar B2 are ratcheting；The tooth bar A1 and institute State tooth bar B2 sides to be slidably connected a fixed plate 5, the gear B 4 is movably connected in the fixed plate 5 by rotary shaft 6, institute State fixed plate 5 and be provided with drive link A7 of the one end through and out the fixed plate 5, the drive link A7 can axial rotation, institute The one end for stating drive link A7 is fixedly connected with the center of the gear A 3；The fixed plate 5 is provided with for locking and decontroling institute State the locking device of drive link A7.The drive link A7 is provided with rotation handle A13 away from one end of the gear A 3.The fixation The periphery of plate 5 is provided with the baffle plate 19 for protecting the ratchet mechanism A8.On the tooth bar A1 and the tooth bar B2 relative side The gathering sill 15 being vertically arranged is provided with, two sides of the fixed plate 5 are slided and are located in the gathering sill 15.Gathering sill 15 Setting can be oriented to the movement of fixed plate 5, improve the stability of fixed plate 5, and the setting of baffle plate 19 can be to ratchet mechanism A8 Protected, it is to avoid have water to enter and drop onto on ratchet mechanism A8.

As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, the locking device is ratchet mechanism A8, and the ratchet mechanism A8 includes ratchet A8-1 and the ratchet A8-2 rotated for ratchet A8-1 described in locking, the ratchet A8-1 are set on the drive link A7, institute The axial rotation for stating drive link A7 drives the ratchet A8-1 to rotate along its axis, and the ratchet A8-2 is located at by rotary shaft 6 In the fixed plate 5.Locking device adopt ratchet mechanism A8 so that drive link A7 can one-directional rotation, in this application, transmission Bar being capable of backwards rotation so that gear A 3 and gear B 4 can be moved up；When needing to move down, ratchet A8-2 is adjusted, So that ratchet A8-2 departs from ratchet, under gravity, gear A 3 and gear B 4 drive drive link A7 to move down, and work as arrival Need to adjust ratchet A8-2 locking ratchets behind position, realize positioning.

As shown in fig. 6, the rotation handle A13 is provided with ratchet mechanism B14, the ratchet mechanism B14 includes ratchet B14-1, ratchet B14-2 and extension spring B14-3, the ratchet B14-1 is set on the drive link A7, the axle of the drive link A7 The ratchet B14-1 axial rotations are driven to rotating, one end of the ratchet B14-2 is by rotary shaft 6 and the rotation handle A13 is flexibly connected, and the extension spring B14-3 is located between the ratchet B14-1 and the ratchet B14-2, the extension spring B14-3's One end is fixedly connected with the rotation handle A13, and the other end connects the middle part of the ratchet B14-2, and the extension spring B14-3 drives The ratchet B14-2 abuts the ratchet B14-1.

As shown in Fig. 5, Fig. 7, Fig. 8, Fig. 9, also including drive link B9 and for adjust the ratchet A8-2 near and away from The ratchet stop block 10 of the ratchet A8-1, one end of the drive link B9 is movably connected in the fixed plate 5, the ratchet Stop block 10 is fixed on the drive link B9, and the axial rotation of the drive link B9 drives the ratchet stop block 10 to compress institute Ratchet A8-2 is stated, so that the ratchet A8-2 is away from the ratchet A8-1.The fixed plate 5 is provided with extension spring A11, described Extension spring A11 is located between the ratchet A8-1 and the ratchet A8-2, and one end of the extension spring A11 is fixed on the fixed plate 5 On, the other end is fixedly connected with the middle part of the ratchet A8-2, and the extension spring A11 is used to pull the ratchet A8-2 abuttings described Ratchet A8-1.The drive link B9 is provided with rotation handle B12 away from one end of the ratchet stop block 10.When needing ratchet A8-2 When departing from ratchet A8-1, by rotating drive link B9, the low pressure ratchet A8-2 of ratchet stop block 10 is driven so that ratchet A8-2 departs from Ratchet A8-1, it is easy to operate.The setting of extension spring A11 can facilitate ratchet A8-2 to be reset to locking ratchet A8-1, de- in ratchet A8-2 From ratchet A8-1 gear A 3 and gear B 4 are dropped to needs behind position, unclamps drive link B9, in the presence of extension spring A11, Ratchet A8-2 resets, and ratchet A8-1 is locked again, realizes positioning.

Operation principle：Turn counterclockwise fixed handle A13, rotates handle A13 and drives ratchet A8-1 and gear A 3 counterclockwise Rotate, gear A 3 drives gear B 4 to rotate clockwise so that gear A 3 and gear B 4 scroll up along tooth bar A1 and tooth bar B2, So as to drive fixed plate 5 and drive link A7 and drive link B9 to move up, the rising of shelf is realized.Due to ratchet mechanism A8's Single direction rotation feature, after specified location is risen to, ratchet A8-2 carries out locking to ratchet A8-1, as shown in figure 8, be locked out Ratchet cannot be rotated clockwise, and so as to gear A 3 cannot be rotated, shelf would not decline.As shown in fig. 6, ratchet mechanism B14 Arrange the drive link A7 that will not drive when rotating clockwise for causing ratchet B14-1 in Fig. 6 to rotate, so, as rotation handle A13 After driving drive link A7 to rotate counterclockwise, return can be carried out to rotating handle A13, drive link A7 will not during return Rotate.When needing shelf to decline, rotation handle B12 is rotated clockwise, drive drive link B9 to rotate clockwise, so as to drive spine Wheel stop block 10 compresses ratchet A8-2 so that ratchet A8-2 departs from ratchet A8-1, as shown in figure 9, ratchet A8-2 is to ratchet A8-1 Locking failure, under gravity, gear A 3 is rotated clockwise, and gear B 4 is rotated counterclockwise, and drives drive link A7 and biography Lever B9 is moved down, when move to need position after, unclamp rotate handle B12, in the presence of extension spring A11, ratchet A8-2 It is reset to and compresses ratchet A8-1, realize the locking again to ratchet A8-1, plays a part of automatic emergency brake.

As shown in Figure 10, this utility model is also disclosed a kind of refrigerator, including refrigerator body 16 and liftable as described above Shelf, the liftable shelf is located in the refrigerator body 16, and the liftable shelf is provided with shelf 17.The refrigerator sheet The lead column 18 being vertically arranged is provided with body 16, the lead column 18 is through and out the shelf 17.

As shown in figure 11, in same level, dividing plate is placed on drive link A7 and biography to drive link A7 and drive link B9 In lever B9, it is provided with dividing plate and holds the hole that lead column 18 is passed through.

As shown in figure 12, in embodiment of the present utility model, liftable shelf described in the utility model can be set The middle part inside refrigerator body 16 is put, a fixed dividing plate is respectively provided with above and below liftable shelf, by adjusting Section liftable shelf lifting, realize as required adjust liftable shelf material-putting space and liftable shelf below every The material-putting space of plate.

The beneficial effects of the utility model are：Drive link A7 is rotated, the axial rotation of drive link A7 drives turning for gear A 3 It is dynamic, so as to drive the rotation of the gear B 4 ratcheting with gear A 3 so that gear A 3 and gear B 4 are along tooth bar A1's and tooth bar B2 Length direction is moved up and down, and then drive link A7 is locked by locking device, and height is positioned, and is realized according to need The height of mobile shelving is effectively adjusted, it is easy to adjust, and the good stability by the way of gear connection.When release right side handle After handss external force, due to the spring its own resilient that rear portion ratchet system is stretched, realize that ratchet brake resets, realize that lifting shelf is stopped Car, in case shelf surprisingly under it is smooth bad.Liftable shelf is set in refrigerator body 16, height and the position of shelf can be arbitrarily adjusted Put, for food on the shelf of high, deep big volume refrigerator, convenient storage and the taking-up the superiors.

Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit this utility model Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model Within the scope of shield.

Claims (10)

1. a kind of liftable shelf, it is characterised in that including the tooth bar A (1) and tooth bar B (2) that are vertically arranged, the tooth bar A (1) The flank of tooth and the flank of tooth of the tooth bar B (2) be oppositely arranged, be provided with gear A (3) between the tooth bar A (1) and the tooth bar B (2) With gear B (4), the gear A (3) is ratcheting with the tooth bar A (1) and the gear B (4) respectively, the gear B (4) and institute State tooth bar B (2) ratcheting；The tooth bar A (1) and the tooth bar B (2) side are slidably connected a fixed plate (5), the gear B (4) It is movably connected in the fixed plate (5) by rotary shaft (6), the fixed plate (5) is provided with one end through and out described The drive link A (7) of fixed plate (5), the drive link A (7) can axial rotation, one end of the drive link A (7) and the gear The center of A (3) is fixedly connected；The fixed plate (5) is provided with the locking device for locking and decontroling the drive link A (7).

2. a kind of liftable shelf according to claim 1, it is characterised in that the locking device is ratchet mechanism A (8) the ratchet A (8-2) that, the ratchet mechanism A (8) rotates including ratchet A (8-1) and for ratchet A (8-1) described in locking, institute State ratchet A (8-1) to be set on the drive link A (7), the axial rotation of the drive link A (7) drives the ratchet A (8-1) Rotate along its axis, the ratchet A (8-2) is located in the fixed plate (5) by rotary shaft (6).

3. a kind of liftable shelf according to claim 2, it is characterised in that also including drive link B (9) and for adjusting The ratchet A (8-2) near and away from the ratchet stop block (10) of the ratchet A (8-1), one end of the drive link B (9) is lived Dynamic to be connected in the fixed plate (5), the ratchet stop block (10) is fixed on the drive link B (9), the drive link B (9) axial rotation drives the ratchet stop block (10) to compress the ratchet A (8-2), so that the ratchet A (8-2) Away from the ratchet A (8-1).

4. a kind of liftable shelf according to claim 3, it is characterised in that the fixed plate (5) is provided with extension spring A (11), the extension spring A (11) is located between the ratchet A (8-1) and the ratchet A (8-2), one end of the extension spring A (11) It is fixed in the fixed plate (5), the other end is fixedly connected with the middle part of the ratchet A (8-2), and the extension spring A (11) is used for The ratchet A (8-2) is pulled to abut the ratchet A (8-1).

5. a kind of liftable shelf according to claim 3 or 4, it is characterised in that the drive link B (9) is away from described One end of ratchet stop block (10) is provided with rotation handle B (12).

6. a kind of liftable shelf according to any one of Claims 1-4, it is characterised in that the drive link A (7) is remote Rotation handle A (13) is provided with from one end of the gear A (3).

7. a kind of liftable shelf according to claim 6, it is characterised in that the rotation handle A (13) is provided with spine Wheel mechanism B (14), the ratchet mechanism B (14) includes ratchet B (14-1), ratchet B (14-2) and extension spring B (14-3), the spine Wheel B (14-1) is set on the drive link A (7), and the axial rotation of the drive link A (7) drives ratchet B (14-1) axle To rotation, one end of the ratchet B (14-2) is flexibly connected by rotary shaft (6) with rotation handle A (13), the extension spring B (14-3) is located between the ratchet B (14-1) and the ratchet B (14-2), one end of the extension spring B (14-3) with described turn Fixed handle A (13) is fixedly connected, and the other end connects the middle part of the ratchet B (14-2), and the extension spring B (14-3) drives the spine Pawl B (14-2) abuts the ratchet B (14-1).

8. a kind of liftable shelf according to any one of Claims 1-4, it is characterised in that the tooth bar A (1) and institute State and the gathering sill (15) being vertically arranged is equipped with the relative sides of tooth bar B (2), two sides of the fixed plate (5) are slided It is located in the gathering sill (15).

9. a kind of refrigerator, it is characterised in that put including refrigerator body (16) and the liftable as described in any one of claim 1 to 8 Frame, the liftable shelf is located in the refrigerator body (16), and the liftable shelf is provided with shelf (17).

10. a kind of refrigerator according to claim 9, it is characterised in that be provided with the refrigerator body (16) and be vertically arranged Lead column (18), the lead column (18) is through and out the shelf (17).