CN211266237U

CN211266237U - Low-voltage complete set of switchgear drawer with self-locking function

Info

Publication number: CN211266237U
Application number: CN201922464179.7U
Authority: CN
Inventors: 孙业峰
Original assignee: Yangzhou Yongding Electric Technology Co ltd
Current assignee: Yangzhou Yongding Electric Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-14
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a low-voltage complete set of switchgear drawer with self-locking function, which comprises a drawer, an upper supporting plate and a lower supporting plate, wherein the drawer comprises a side plate and a push-pull plate, two groups of first cavities and two groups of second cavities are symmetrically arranged on the side plate, the first cavities are communicated through a third cavity, a first spring is welded in the first cavities, the end part of the first spring is welded with a clamping block, one side of the clamping block, which is close to the first spring, is welded with a first connecting rod, the end part of the first connecting rod penetrates through the first cavity and is welded with a limiting block, a cylindrical groove is arranged on the push-pull plate, a second spring is welded in the cylindrical groove, the self-locking function of the drawer in a closed state is realized through the combined arrangement of the push-pull block, the clamping block, the limiting block, the first spring and the second spring, the self-locking function of the drawer in the closed state can be effectively prevented from sliding, ensuring the normal working environment of the elements in the drawer.

Description

Low-voltage complete set of switchgear drawer with self-locking function

Technical Field

The utility model relates to a low-voltage switchgear technical field specifically is a low pressure complete set switchgear drawer with self-locking function.

Background

The low-voltage switch cabinet can be structurally divided into a fixed type and a drawing type. The cabinet body is generally cubic, such as a screen type cabinet body, a box type cabinet body and the like, and also has a prismatic table body such as a table type cabinet body and the like, and the cabinet is single-row and also has arrangement; the drawer type cabinet is composed of a fixed cabinet body and a movable device part provided with main electrical elements such as a switch and the like, the movable part needs to be portable when moved and replaced, the positioning needs to be reliable after the movable part is moved, drawers of the same type and specification can be reliably exchanged, and the processing method of the cabinet body part in the drawer type cabinet is basically similar to that of the fixed cabinet body.

The conventional drawer of the low-voltage switchgear assembly is easy to slide due to error touch and easily influences the normal operation of elements in the drawer, so that the drawer of the low-voltage switchgear assembly with the self-locking function is provided to ensure the normal operating environment of the elements in the drawer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low pressure complete set switchgear drawer with self-locking function, through the combination setting of push-and-pull piece, tight piece of clamp, stopper and first spring, second spring, realized the self-locking function under the drawer closure state, can prevent effectively that it from touching the slip because of the mistake under the closure situation, guarantee the normal operational environment of drawer internal element to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a low-voltage complete set of switchgear drawers with a self-locking function comprises a drawer, an upper supporting plate and a lower supporting plate, wherein the drawer comprises a side plate and a push-pull plate, two groups of first cavities and two groups of second cavities are symmetrically formed in the side plate, the two groups of first cavities are communicated through a third cavity, first springs are welded in the two groups of first cavities, a clamping block is welded at the end part of each first spring, a first chamfer is arranged on each clamping block, a first connecting rod is welded on one side, close to the first springs, of each clamping block, the end part of each first connecting rod penetrates through the first cavities and is welded with a limiting block, limiting grooves are formed in the upper supporting plate and the lower supporting plate, the limiting blocks are clamped in the limiting grooves, a cylindrical groove is formed in the push-pull plate, a second spring is welded in the cylindrical groove, a pressing block is welded at the end part of the second spring, and a second connecting rod is welded on one, the end of the second connecting rod penetrates through the cylindrical groove and is welded with the push-pull block, two groups of second chamfers are symmetrically arranged on the push-pull block, and the gradients of the second chamfers and the first chamfers are the same.

Preferably, the top and the bottom of the side plate are rotatably connected with sliding wheels, the sliding wheels are in contact with the upper supporting plate and the lower supporting plate but not connected with the upper supporting plate and the lower supporting plate, and a rubber anti-abrasion layer is arranged on the outer ring of each sliding wheel.

Preferably, the positions, close to the push-pull plate, of the upper supporting plate and the lower supporting plate are both rounded, and sponge pads are glued to the positions, close to the push-pull plate, of the upper supporting plate and the lower supporting plate.

Preferably, the limiting groove is matched with the limiting block in shape, and an elastic rubber pad is glued in the limiting groove.

Preferably, the surface of the pressing block is arc-shaped, and the pressing block is a silicon rubber block.

Preferably, the side wall of the push-pull plate is provided with a push-pull groove, and the push-pull groove and the pressing block are located on the same horizontal line.

Compared with the prior art, the beneficial effects of the utility model are that:

through pressing the briquetting of pressing both sides on answering the two-hand thumb to press the push-and-pull board, continue to remove in pressing the briquetting to the third cavity, two sets of tight piece of clamp all move to the centre under the effect of first spring, drive the stopper and break away from the spacing groove, accomplish the pull-out work of drawer, through pressing the briquetting of pressing both sides on pressing the push-and-pull board, continue to remove in pressing the briquetting to the third cavity, two sets of tight piece of clamp all move to the centre under the effect of first spring, the stopper gets into the spacing inslot again, has accomplished the closed work of drawer promptly, the utility model discloses a push-and-pull piece, press from both sides tight piece, stopper and first spring, the combination setting of second spring have realized the self-locking function under the drawer closed state, can effectively prevent it because of mistake under the closed situation touches and slide, guarantee the normal operational environment of interior component of drawer.

Drawings

Fig. 1 is a side view of the present invention;

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the point B of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the present invention at C of FIG. 1;

fig. 5 is a side view of the push-pull plate of the present invention.

In the figure: 1. a drawer; 2. an upper supporting plate; 3. a lower supporting plate; 4. a side plate; 5. a push-pull plate; 6. a first cavity; 7. a second cavity; 8. a third cavity; 9. a first spring; 10. a clamping block; 11. a first link; 12. a limiting block; 13. a limiting groove; 15. a cylindrical groove; 16. a second spring; 17. a pressing block; 18. a second link; 19. a push-pull block; 20. a first chamfer; 21. a second chamfer; 22. a sliding wheel; 23. a rubber anti-wear layer; 24. a sponge cushion; 25. an elastic rubber pad; 26. a push-pull groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a low-voltage complete set of switchgear drawers with a self-locking function comprises a drawer 1, an upper supporting plate 2 and a lower supporting plate 3, wherein the drawer 1 comprises a side plate 4 and a push-pull plate 5, the side plate 4 is fixed or welded on the push-pull plate 5 through bolts, so that the drawer 1 can conveniently slide, the top and the bottom of the side plate 4 are rotatably connected with sliding wheels 22, the sliding wheels 22 are contacted with but not connected with the upper supporting plate 2 and the lower supporting plate 3, and the outer ring of the sliding wheel 22 is provided with a rubber anti-abrasion layer 23 which can absorb the noise when the drawer 1 slides and can also protect the sliding wheel 22 so as to prolong the service life of the sliding wheel, the upper supporting plate 2 and the lower supporting plate 3 are both arranged at the positions close to the push-pull plate 5 in a rounding way, meanwhile, in order to ensure that the push-pull plate 5 is in flexible contact with the upper supporting plate 2 and the lower supporting plate 3, sponge pads 24 are respectively glued on the upper supporting plate 2 and the lower supporting plate 3 close to the push-pull plate 5;

two groups of first cavities 6 and two groups of second cavities 7 are symmetrically formed in the side plate 4, the two groups of first cavities 6 are communicated through a third cavity 8, first springs 9 are welded in the two groups of first cavities 6, clamping blocks 10 are welded at the end parts of the first springs 9, first chamfers 20 are arranged on the clamping blocks 10, first connecting rods 11 are welded on one sides, close to the first springs 9, of the clamping blocks 10, limiting blocks 12 are welded at the end parts of the first connecting rods 11, penetrate through the first cavities 6, limiting grooves 13 are formed in the upper supporting plate 2 and the lower supporting plate 3, the limiting blocks 12 are clamped in the limiting grooves 13, the limiting grooves 13 are matched with the limiting blocks 12 in shape, elastic rubber pads 25 are glued in the limiting grooves 13, clamping tightness of the limiting blocks 12 and the limiting grooves 13 is enhanced, and shaking when the drawer 1 is closed is avoided;

the push-pull plate 5 is provided with a cylindrical groove 15, a second spring 16 is welded in the cylindrical groove 15, a pressing block 17 is welded at the end part of the second spring 16, the surface of the pressing block 17 is arranged in an arc shape, the pressing block 17 is a silicon rubber block, the contact friction force is increased, the pressing is convenient, a second connecting rod 18 is welded on one side, close to the second spring 16, of the pressing block 17, the end part of the second connecting rod 18 penetrates through the cylindrical groove 15 and is welded with a push-pull block 19, two groups of second chamfers 21 are symmetrically arranged on the push-pull block 19, the inclination of the second chamfers 21 is the same as that of the first chamfers 20, and the push-pull block 19 can automatically reset;

in order to facilitate grasping the push-pull plate 5 while pressing the pressing block 17, a push-pull groove 26 is formed in the side wall of the push-pull plate 5, and the push-pull groove 26 and the pressing block 17 are located on the same horizontal line.

The working principle is as follows: when the drawer 1 is closed and before the drawer is opened, the thumb of two hands is used for pressing the pressing blocks 17 on the two sides of the push-pull plate 5, the pressing blocks 17 continue to move towards the third cavity 8, the two groups of clamping blocks 10 both move towards the middle under the action of the first spring 9 to drive the limiting blocks 12 to be separated from the limiting grooves 13, the other fingers are used for buckling the push-pull grooves 26 to pull the drawer 1 outwards, when the limiting blocks 12 are observed to be separated from the range of the upper supporting plate 2 and the lower supporting plate 3, the thumb can be loosened, the pressing blocks 17 reset under the action of the second spring 16, the two groups of limiting blocks 12 are exposed out of the end faces of the side plates 4, and the drawer 1 is directly pulled outwards; when the drawer 1 needs to be closed, the drawer 1 is pushed inwards, when the limiting block 12 is observed to be about to enter the range of the upper supporting plate 2 and the lower supporting plate 3, the thumb of two hands presses the pressing blocks 17 on the two sides of the push-pull plate 5, the pressing blocks 17 continue to move towards the third cavity 8, the two groups of clamping blocks 10 both move towards the middle under the action of the first spring 9, the other fingers buckle the push-pull groove 26 to push the drawer 1 inwards until the push-pull plate 5 is in contact with the upper supporting plate 2, the whole hand is released, and the limiting block 12 enters the limiting groove 13 again, so that the closing work of the drawer 1 is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low pressure complete set switchgear drawer with self-locking function, includes drawer (1), upper bracket board (2) and bottom plate (3), its characterized in that: the drawer (1) comprises a side plate (4) and a push-pull plate (5), wherein two groups of first cavities (6) and two groups of second cavities (7) are symmetrically formed in the side plate (4), the two groups of first cavities (6) are communicated through a third cavity (8), first springs (9) are welded in the two groups of first cavities (6), clamping blocks (10) are welded at the end parts of the first springs (9), first chamfers (20) are arranged on the clamping blocks (10), first connecting rods (11) are welded on the clamping blocks (10) close to one sides of the first springs (9), limiting blocks (12) are welded at the end parts of the first connecting rods (11) penetrating through the first cavities (6), limiting grooves (13) are formed in the upper supporting plate (2) and the lower supporting plate (3), the limiting blocks (12) are clamped in the limiting grooves (13), cylindrical grooves (15) are formed in the push-pull plate (5), the welding has second spring (16) in cylindrical groove (15), the welding of second spring (16) tip has according to briquetting (17), it has second connecting rod (18) to be close to second spring (16) one side welding on according to briquetting (17), second connecting rod (18) tip runs through cylindrical groove (15) and welds and push away and draw briquetting (19), push away and draw briquetting (19) and go up the symmetry and be provided with two sets of second chamfers (21), second chamfer (21) and first chamfer (20) gradient are the same.

2. The drawer with self-locking function for the low-voltage switchgear assembly according to claim 1, wherein: the top and the bottom of the side plate (4) are both rotatably connected with a sliding wheel (22), the sliding wheel (22) is in contact with the upper supporting plate (2) and the lower supporting plate (3) but not connected with the upper supporting plate and the lower supporting plate, and a rubber anti-abrasion layer (23) is arranged on the outer ring of the sliding wheel (22).

3. The drawer with self-locking function for the low-voltage switchgear assembly according to claim 1, wherein: the upper supporting plate (2) and the lower supporting plate (3) are both arranged at the positions close to the push-pull plate (5) in a rounding way, and sponge pads (24) are respectively glued at the positions close to the push-pull plate (5) on the upper supporting plate (2) and the lower supporting plate (3).

4. The drawer with self-locking function for the low-voltage switchgear assembly according to claim 1, wherein: the limiting groove (13) is matched with the limiting block (12) in shape, and an elastic rubber pad (25) is glued in the limiting groove (13).

5. The drawer with self-locking function for the low-voltage switchgear assembly according to claim 1, wherein: the surface of the pressing block (17) is arc-shaped, and the pressing block (17) is a silicon rubber block.

6. The drawer with self-locking function for the low-voltage switchgear assembly according to claim 1, wherein: the side wall of the push-pull plate (5) is provided with a push-pull groove (26), and the push-pull groove (26) and the pressing block (17) are located on the same horizontal line.