CN210433119U

CN210433119U - Self-adaptive load lifting cabinet

Info

Publication number: CN210433119U
Application number: CN201920721737.0U
Authority: CN
Inventors: 张哲汪; 李勇; 王逸翔; 黄宇峰; 单逸; 王钦旭
Original assignee: Wenzhou University
Current assignee: Wenzhou University
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-05-01
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a self-adaptive load lifting cabinet, which comprises an outer layer cabinet, a middle layer cabinet and an inner layer cabinet, wherein the inner layer cabinet, the middle layer cabinet and the outer layer cabinet are combined in an embedded manner; a plurality of spring load-bearing devices are arranged between the bottom of the middle-layer cabinet and the edge of the bottom plate of the outer-layer cabinet; the side walls of the two sides of the middle-layer cabinet are provided with parallelogram link mechanisms; the side walls of the two sides of the outer layer cabinet are provided with coil spring rolling devices matched with the first coil spring and the second coil spring respectively; the inner end part of the first shaft is also provided with a spring hook disc, and a spring base is arranged on the spring hook disc; and a spring top block is arranged on the side wall of the middle-layer cabinet, and a lifting stabilizing device is arranged between the spring top block and the spring base. The utility model discloses can adapt to the size of load automatically for the ascending thrust of cubical switchboard all keeps in certain reasonable range, has made things convenient for daily use, has saved loaded down with trivial details step and has reached laborsaving purpose.

Description

Self-adaptive load lifting cabinet

Technical Field

The utility model relates to a house equipment field, especially a self-adaptation load lifting cabinet.

Background

The lifting type storage cabinet is arranged at a high place in order to fully utilize the space, is a phenomenon commonly existing in home and other various occasions, is particularly common in the home, can be used in a kitchen, a bedroom, a study room and a storage room, and can be lowered when articles are placed or taken, and then is lifted to the original place after the articles are used up. However, after the existing storage cabinet is used for storing or taking objects, the hand feeling can be obviously stressed when the storage cabinet is pushed upwards, and the problem that the thrust is influenced by the balance load in the whole lifting process of the storage rack is difficult to cause time and labor waste.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self-adaptation load lifting cabinet. The utility model discloses can adapt to the size of load automatically for the ascending thrust of cubical switchboard all keeps in certain reasonable range, has made things convenient for daily use, has saved loaded down with trivial details step and has reached laborsaving purpose.

The technical scheme of the utility model: the self-adaptive load lifting cabinet comprises an outer layer cabinet, a middle layer cabinet and an inner layer cabinet, wherein the inner layer cabinet, the middle layer cabinet and the outer layer cabinet are combined in an embedded manner; a plurality of spring load-bearing devices are arranged between the bottom of the middle-layer cabinet and the edge of the bottom plate of the outer-layer cabinet; the side walls of the two sides of the middle-layer cabinet are provided with parallelogram link mechanisms; the parallelogram link mechanism comprises a first link and a second link which are parallel and hinged with the side wall of the middle-layer cabinet, the end part of the first link is provided with a first shaft fixedly connected with the middle-layer cabinet, and the end part of the second link is provided with a second shaft fixedly connected with the middle-layer cabinet; a first sliding groove and a second sliding groove are formed in the side walls of the two sides of the outer layer cabinet; the end parts of the first shaft and the second shaft are respectively arranged in the corresponding first sliding groove and the second sliding groove in a penetrating mode, a first coil spring is arranged at the end part of the first shaft, and a second coil spring is arranged at the end part of the second shaft; the side walls of the two sides of the outer layer cabinet are provided with coil spring rolling devices matched with the first coil spring and the second coil spring respectively; the inner end part of the first shaft is also provided with a spring hook disc, and a spring base is arranged on the spring hook disc; and a spring top block is arranged on the side wall of the middle-layer cabinet, and a lifting stabilizing device is arranged between the spring top block and the spring base.

In the self-adaptive load lifting cabinet, the spring bearing device comprises a connecting rod supporting block fixed at the bottom of the middle-layer cabinet, a connecting rod is arranged in the connecting rod supporting block in a sliding manner, and the end part of the connecting rod is fixed with the bottom plate of the outer-layer cabinet; the connecting rod is sleeved with a bearing spring, one end of the bearing spring is fixed with the bottom of the middle-layer cabinet, and the other end of the bearing spring is fixed with the bottom plate of the outer-layer cabinet.

In the self-adaptive load lifting cabinet, the side surface of the second connecting rod is in contact with the upper end surface of the connecting rod supporting block when the second connecting rod rotates to the limit position.

According to the self-adaptive load lifting cabinet, the end part of the first connecting rod is provided with the circular connecting block, and the connecting block is fixed with the spring hook disc through the bolt.

According to the self-adaptive load lifting cabinet, the lifting stabilizing device comprises a hydraulic rod, two ends of the hydraulic rod are respectively connected with the spring base and the spring top block, and a spring is sleeved on the hydraulic rod.

In the self-adaptive load lifting cabinet, the coil spring winding device comprises a third chute arranged on one side of the first chute and a fourth chute arranged on one side of the second chute; a first threaded rod is arranged in the third sliding groove, and a first limiting groove and a first limiting nut for adjusting the position of the first limiting groove are slidably sleeved on the first threaded rod; a first return spring is arranged between the bottom of the first limiting groove and the bottom of the third sliding groove; a second threaded rod is arranged in the fourth sliding groove, and a second limiting groove and a second limiting nut for adjusting the position of the second limiting groove are slidably sleeved on the second threaded rod; and a second reset spring is arranged between the bottom of the second limiting groove and the bottom of the fourth sliding groove.

In the self-adaptive load lifting cabinet, the outer ends of the first coil spring and the second coil spring are both in a hook shape.

In the self-adaptive load lifting cabinet, the middle part of the inner plate is provided with the separation plate.

Compared with the prior art, the utility model has the advantages that the outer layer cabinet is fixed, the middle layer cabinet is connected with the outer layer cabinet by the bottom spring bearing device, and the inner layer cabinet is connected with the middle layer cabinet and the outer layer cabinet by the parallelogram link mechanism; in the descending process of the lifting cabinet, the lifting cabinet descends gently through a parallelogram link mechanism and a lifting stabilizing device, along with the increase of the load of the article, a spring bearing device at the bottom and the lifting stabilizing device store the gravity energy provided by the load of the article, at the moment, the height of the middle-layer cabinet is reduced, and four coil springs of the outer-layer cabinet are wound at different positions in a limiting way; in the lifting process of the lifting cabinet, gravity energy provided by an article load in the pulling-down process is released through the four coil springs of the outer-layer cabinet, the bottom spring bearing devices and the lifting stabilizing devices, so that the upward thrust is always maintained within a reasonable range no matter the load size, the problem that the thrust is influenced by the load size is solved, the daily use is facilitated, the complicated steps are omitted, and the aim of saving labor is fulfilled. In addition, the utility model discloses a spring, hydraulic stem, four wind springs of left and right sides, threaded rod and spacing groove structure realize resistance self-adaptation, and in the process of pulling down, first wind spring and the second wind spring work that primary shaft and primary shaft are connected block the spacing groove on the threaded rod through hooked tip, and at this moment, the spring that is pulling the cupboard is in compression state, upwards pushes away gently, and the effort that spring and wind spring save is used for the cupboard, pulls the cupboard back to the normal position; furthermore, the first limiting nut and the second limiting nut on the threaded rod are adopted to enable the first limiting groove and the second limiting groove to be placed at different positions, and the first coil spring and the second coil spring can conveniently store different energy to achieve the purpose that thrust is kept within a reasonable range no matter how heavy and light articles are placed.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic front view of the present invention;

fig. 3 is a schematic diagram of the right-side view structure of the present invention;

fig. 4 is a schematic structural diagram of fig. 3 a according to the present invention;

fig. 5 is a schematic structural view of the lift stabilizer of the present invention.

The labels in the figures are: 1-outer layer cabinet, 2-middle layer cabinet, 3-inner layer cabinet, 4-spring bearing device, 5-parallelogram link mechanism, 6-first link, 7-second link, 8-first shaft, 9-second shaft, 10-first chute, 11-second chute, 12-first coil spring, 13-second coil spring, 14-coil spring coiling device, 15-spring hook plate, 16-spring base, 17-spring top block, 18-lifting stabilizing device, 19-link supporting block, 20-connecting rod, 21-bearing spring, 22-connecting block, 23-hydraulic rod, 24-pressure spring, 25-third chute, 26-fourth chute, 27-first threaded rod, 28-first limiting groove, 29-first limit nut, 30-first return spring, 31-second threaded rod, 32-second limit groove, 33-second limit nut, 34-second return spring and 35-partition plate.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Example (b): a self-adaptive load lifting cabinet, as shown in fig. 1-5, comprising an outer layer cabinet 1, a middle layer cabinet 2 and an inner layer cabinet 3, wherein the inner layer cabinet, the middle layer cabinet and the outer layer cabinet are combined in an embedded manner; the bottom parts of the outer layer cabinet 1 and the middle layer cabinet 2 are respectively provided with a notch which is used for lifting the

inner layer cabinet

3, and 4 spring load-bearing devices 4 are arranged between the bottom part of the middle layer cabinet 2 and the edge of the bottom plate of the outer layer cabinet 1; the spring bearing device 4 comprises a connecting rod supporting block 19 fixed at the bottom of the middle-layer cabinet 2, a connecting rod 20 is arranged in the connecting rod supporting block 19 in a sliding mode, and the end portion of the connecting rod 20 is fixed with the bottom plate of the outer-layer cabinet 1; the connecting rod 20 is sleeved with a bearing spring 21, one end of the bearing spring 21 is fixed with the bottom of the middle-layer cabinet 2, and the other end of the bearing spring 21 is fixed with the bottom plate of the outer-layer cabinet 1. The connecting rod 20 is used for stable spacing in the connecting rod supporting block 19, the bearing spring 21 sleeved on the connecting rod 20 bears when the middle-layer cabinet 2 receives weight, and the spring bearing devices 4 are distributed on four corners of the middle-layer cabinet 2. The side walls of the two sides of the middle-layer cabinet 2 are provided with parallelogram link mechanisms 5; the parallelogram linkage mechanism 5 comprises a first connecting rod 6 and a second connecting rod 7 which are parallel and hinged with the side wall of the middle-layer cabinet, a first shaft 8 fixedly connected with the middle-layer cabinet 2 is arranged at the end part of the first connecting rod 6, and a second shaft 9 fixedly connected with the middle-layer cabinet 2 is arranged at the end part of the second connecting rod 7; a first sliding groove 10 and a second sliding groove 11 are formed in the side walls of the two sides of the outer layer cabinet 1; the end parts of the first shaft 8 and the second shaft 9 are respectively arranged in the corresponding first sliding chute 10 and the second sliding chute 11 in a penetrating manner, the end part of the first shaft 8 is provided with a first coil spring 12, and the end part of the second shaft 9 is provided with a second coil spring 13; the outer ends of the first coil spring 12 and the second coil spring 13 are both in a hook shape; the side walls of the two sides of the outer layer cabinet 1 are provided with coil spring rolling devices 14 which are matched with the first coil spring 12 and the second coil spring 13 respectively; the coil spring winding device 14 comprises a third sliding chute 25 arranged on one side of the first sliding chute 10 and a fourth sliding chute 26 arranged on one side of the second sliding chute 11; a first threaded rod 27 is arranged in the third sliding chute 25, and a first limiting groove 28 and a first limiting nut 29 for adjusting the position of the first limiting groove 28 are slidably sleeved on the first threaded rod 27; a first return spring 30 is arranged between the bottom of the first limiting groove 28 and the bottom of the third sliding groove 25; a second threaded rod 31 is arranged in the fourth sliding chute 26, and a second limiting groove 32 and a second limiting nut 33 for adjusting the position of the second limiting groove 32 are slidably sleeved on the second threaded rod 31; a second return spring 34 is arranged between the bottom of the second limiting groove 32 and the bottom of the fourth sliding groove 26. A spring hook disc 15 is further arranged at the inner end part of the first shaft 8, and a spring base 16 is arranged on the spring hook disc 15; and a spring top block 17 is arranged on the side wall of the middle-layer cabinet 2, and a lifting stabilizing device 18 is arranged between the spring top block 17 and the spring base 16. The lifting stabilizing device 18 comprises a hydraulic rod 23, two ends of the hydraulic rod 23 are respectively connected with the spring base 16 and the spring top block 17, and a pressure spring 24 is sleeved on the hydraulic rod 23. The middle part adopts a hydraulic rod to play a role in buffering, and the outer part is provided with a spring 24 which is a compression spring and plays a role in energy storage, release and buffering. When the lifting cabinet descends, the lifting cabinet descends slowly through the parallelogram link mechanism 5 and the lifting stabilizing device 4, at the moment, the first connecting rod 6 and the second connecting rod 7 drive the first shaft 8 and the second shaft 9 to rotate, the hooked end of the first coil spring 12 on the first shaft 8 hooks the first limiting groove 28, the first limiting groove 28 descends until the hooked end of the first coil spring 12 in the winding process is inclined and stopped, then the first coil spring 12 is wound to store load energy, at the moment, the second limiting groove 32 is adjusted by the second limiting nut 33, the second coil spring 13 is not matched with the second coil spring 13, and the second coil spring 13 does not store load energy (of course, in another embodiment, the position of the second limiting groove 13 can be adjusted through the second limiting nut 33, so that the second coil spring 13 can be matched with the second limiting groove 32 when the lifting cabinet is pulled down under the condition of no load); after the load of the article is put into the inner layer cabinet 3, the lifting cabinet is slightly pushed upwards, the force stored by the pressure spring 24 and the first coil spring 12 acts on the inner layer cabinet 3, and the hydraulic rod 23 is assisted to pull the inner layer cabinet 3 back to the original position; because the load is placed, the position of the inner layer cabinet 3 is lowered, when the inner layer cabinet is pulled down again, the hooked end part of the second coil spring 13 on the second shaft 9 can hook the second limiting groove 32, so that the second coil spring 13 and the first coil spring 12 can be wound together to store load energy, the upper thrust force is always maintained in a reasonable range no matter the load size, the problem that the load size influences the thrust force is solved, the daily use is facilitated, the complicated steps are omitted, and the purpose of saving labor is achieved.

Further, the side surface of the second connecting rod 7 contacts with the upper end surface of the connecting rod supporting block 19 when rotating to the limit position, and the connecting rod supporting block 19 can also provide a supporting point for the second connecting rod 7 and can also improve the stability of the inner layer cabinet 3.

Further, the end of the first connecting rod 6 is provided with a circular connecting block 22, and the connecting block 22 is fixed with the spring hook disc 15 through a bolt, so that the rotation is convenient.

Furthermore, the middle part of the inner plate 3 is provided with a partition plate 35 which can be divided into a plurality of spaces for placing different articles.

Principle of operation

The utility model discloses during the use, the cubical switchboard descends in-process, carry out gentle decline through parallelogram link mechanism 5 and lift stabilising arrangement 4, at this moment, first connecting rod 6, second connecting rod 7 drive primary shaft 8 and secondary shaft 9 and rotate, the first spacing groove 28 is caught to the hooked tip of the first coil spring 12 on the primary shaft 8, make first spacing groove 28 descend and stop until the hook-shaped tip slope of the first coil spring 12 rolling in-process, the first coil spring 12 of rolling stores load energy then, second spacing groove 32 is because the relation of the position of second stop nut 33 adjustment at this moment, and not cooperate with second coil spring 13, second coil spring 13 does not store load energy; after the load of the article is put into the inner layer cabinet 3, the lifting cabinet is slightly pushed upwards, the force stored by the pressure spring 24 and the first coil spring 12 acts on the inner layer cabinet 3, and the hydraulic rod 23 is assisted to pull the inner layer cabinet 3 back to the original position; because the article load is placed, the position of the inner layer cabinet 3 descends, when the inner layer cabinet is pulled down again, the hooked end part of the second coil spring 13 on the second shaft 9 can hook the second limiting groove 32, so that the second coil spring 13 and the first coil spring 12 can be wound together to store load energy, the upper thrust force is always maintained in a reasonable range no matter the load size, the problem that the load size influences the thrust force is solved, the daily use is facilitated, the complicated steps are omitted, and the purpose of saving labor is achieved.

Claims

1. Self-adaptation load lifting cabinet, its characterized in that: comprises an outer layer cabinet (1), a middle layer cabinet (2) and an inner layer cabinet (3) which are combined in an embedded manner; a plurality of spring load-bearing devices (4) are arranged between the bottom of the middle-layer cabinet (2) and the edge of the bottom plate of the outer-layer cabinet (1); the side walls of the two sides of the middle-layer cabinet (2) are provided with parallelogram link mechanisms (5); the parallelogram linkage mechanism (5) comprises a first connecting rod (6) and a second connecting rod (7) which are parallel and hinged with the side wall of the middle-layer cabinet, a first shaft (8) fixedly connected with the middle-layer cabinet (2) is arranged at the end part of the first connecting rod (6), and a second shaft (9) fixedly connected with the middle-layer cabinet (2) is arranged at the end part of the second connecting rod (7); a first sliding chute (10) and a second sliding chute (11) are formed in the side walls of the two sides of the outer layer cabinet (1); the end parts of the first shaft (8) and the second shaft (9) are respectively arranged in the corresponding first sliding chute (10) and the second sliding chute (11) in a penetrating manner, a first coil spring (12) is arranged at the end part of the first shaft (8), and a second coil spring (13) is arranged at the end part of the second shaft (9); the side walls of the two sides of the outer layer cabinet (1) are provided with coil spring coiling devices (14) which are matched with the first coil spring (12) and the second coil spring (13) respectively; a spring hook disc (15) is further arranged at the inner end part of the first shaft (8), and a spring base (16) is arranged on the spring hook disc (15); and a spring top block (17) is arranged on the side wall of the middle-layer cabinet (2), and a lifting stabilizing device (18) is arranged between the spring top block (17) and the spring base (16).

2. An adaptive load lifting cabinet according to claim 1 wherein: the spring bearing device (4) comprises a connecting rod supporting block (19) fixed at the bottom of the middle-layer cabinet (2), a connecting rod (20) is arranged in the connecting rod supporting block (19) in a sliding mode, and the end portion of the connecting rod (20) is fixed with the bottom plate of the outer-layer cabinet (1); the connecting rod (20) is sleeved with a bearing spring (21), one end of the bearing spring (21) is fixed with the bottom of the middle-layer cabinet (2), and the other end of the bearing spring is fixed with the bottom plate of the outer-layer cabinet (1).

3. An adaptive load lifting cabinet according to claim 2 wherein: the side surface of the second connecting rod (7) is contacted with the upper end surface of the connecting rod supporting block (19) when rotating to the limit position.

4. An adaptive load lifting cabinet according to claim 1 wherein: the end part of the first connecting rod (6) is provided with a circular connecting block (22), and the connecting block (22) is fixed with the spring hook disc (15) through a bolt.

5. An adaptive load lifting cabinet according to claim 1 wherein: the lifting stabilizing device (18) comprises a hydraulic rod (23) with two ends respectively connected with the spring base (16) and the spring top block (17), and a pressure spring (24) is sleeved on the hydraulic rod (23).

6. An adaptive load lifting cabinet according to claim 1 wherein: the coil spring winding device (14) comprises a third sliding chute (25) arranged on one side of the first sliding chute (10) and a fourth sliding chute (26) arranged on one side of the second sliding chute (11); a first threaded rod (27) is arranged in the third sliding groove (25), and a first limiting groove (28) and a first limiting nut (29) for adjusting the position of the first limiting groove (28) are slidably sleeved on the first threaded rod (27); a first return spring (30) is arranged between the bottom of the first limiting groove (28) and the bottom of the third sliding groove (25); a second threaded rod (31) is arranged in the fourth sliding chute (26), and a second limiting groove (32) and a second limiting nut (33) for adjusting the position of the second limiting groove (32) are slidably sleeved on the second threaded rod (31); and a second return spring (34) is arranged between the bottom of the second limiting groove (32) and the bottom of the fourth sliding groove (26).

7. An adaptive load lifting cabinet according to claim 1 wherein: the outer end parts of the first coil spring (12) and the second coil spring (13) are both hook-shaped.