CN213477938U

CN213477938U - Anti-falling cabinet lock

Info

Publication number: CN213477938U
Application number: CN202022251567.XU
Authority: CN
Inventors: 张仕浪
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-29
Filing date: 2020-10-10
Publication date: 2021-06-18
Anticipated expiration: 2030-10-10

Abstract

The utility model belongs to the field of lockset, and discloses a tilting prevention cabinet locker, which comprises a body, a spring bolt arranged on the lower surface of the body, a pair of oppositely arranged first slide blocks arranged on the lower surface of the body and in sliding fit with the body, and a second slide block arranged on the upper surface of the body and in sliding fit with the body; the lock tongue is connected with the second sliding block through a locking piece; the body is provided with an unlocking position and a locking position; when the locking piece moves to the unlocking position, the lock tongue is inserted between the two first sliding blocks, the second sliding block is separated from the locking piece, and the lock tongue is connected with the locking piece; when the retaining member moves in the locking displacement, the spring bolt withdraws from two second sliders and the second slider, the spring bolt all are connected with the retaining member. The locker only needs 6 parts in 5 classes if realizing basic functions, and only needs 8 parts in 6 classes if realizing optimal functions. The structure is obviously simplified, and the use convenience is good.

Description

Anti-falling cabinet lock

Technical Field

The utility model relates to a tool to lock field specifically is a prevent down cabinet locker.

Background

The applicant, south sea kaiki power hardware limited company, in 2018, proposes a utility model patent application CN201820186126.6, discloses an anti-toppling guide rail for multilayer drawer type movable cabinet, including fixing the outer rail on the internal wall of cabinet, at gliding rail core in the gliding rail of rail core and in the rail that slides in the rail in the outer rail, locking device, wherein, locking device is including fixing at outer rail rear end, the fixed block that has the spout, by the gliding slider of rail core drive in the spout, be located slider upper and lower both sides and with slider slip direction vertically locking lever, and stop gear, the slider rear end is equipped with the convex slider bead in upper and lower both sides, slider bead front end and locking lever butt joint mutually, and the butt joint department is inclined plane or arc surface, the both ends of locking lever respectively with the slider bead butt joint of upper and lower two-layer adjacent guide rail. When one drawer is opened, the locking rod can upwards or downwards press the sliding block for locking other guide rails to prevent the sliding block from moving, so that the other drawers are prevented from being opened, the multi-layer drawer type movable cabinet can only be opened by one drawer at a time, and the risk that the movable cabinet is toppled over due to unbalance is avoided.

The effect of this application and above-mentioned technical scheme is exactly the same, and is exactly the same to the principle that prevents that the movable cabinet from empting.

The problems of the scheme are as follows: the structure is too complicated, and the structure comprises various parts such as a tension spring, a swinging block and the like. After analyzing the whole lock, the lock part at least comprises 10 types and 13 parts.

Therefore, the technical problem that this application solved lies in: how to reduce the complexity of this type of lock.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent down cabinet locker, this locker only need 6 spare parts of 5 types if realize basic function, if will realize optimal function, also only need 8 spare parts of 6 types. The structure is obviously simplified, and the use convenience is good.

In order to achieve the above object, the utility model provides a following technical scheme: a falling prevention cabinet lock comprises a body, a lock tongue arranged on the lower surface of the body, a pair of oppositely arranged first sliding blocks arranged on the lower surface of the body and in sliding fit with the body, and a second sliding block arranged on the upper surface of the body and in sliding fit with the body; the lock tongue is connected with the second sliding block through a locking piece; the body is provided with an unlocking position and a locking position;

when the locking piece moves to the unlocking position, the lock tongue is inserted between the two first sliding blocks, the second sliding block is separated from the locking piece, and the lock tongue is connected with the locking piece;

when the retaining member moves in the locking displacement, the spring bolt withdraws from two second sliders and the second slider, the spring bolt all are connected with the retaining member.

In the anti-falling cabinet lock, the sliding direction of the lock tongue is perpendicular to the sliding directions of the two first sliding blocks.

In the anti-falling cabinet lock, one end of the lock tongue, which is close to the first sliding block, is a tapered end; two first sliding blocks are provided with guide slopes;

when the distance between the two first sliding blocks is minimum, the two guide slope surfaces form a V-shaped guide notch matched with the shape of the tapered end.

In the above anti-falling cabinet locker, the locking position and the unlocking position form a continuous L-shaped groove; the width of the groove is matched with the outer diameter of the middle part of the locking piece; the second sliding block is provided with a sliding chute; the lock tongue is provided with a strip-shaped groove; one end of the sliding chute is an open end; the open end faces the locking position; one end of the locking piece is embedded into the strip-shaped groove, and the other end of the locking piece is embedded into the sliding groove; the middle part of the locking piece is positioned in the groove; the strip-shaped groove is parallel to the unlocking bit; the strip-shaped groove is vertical to the locking position;

when the strip-shaped groove, the sliding groove and the unlocking position are overlapped, a guide arc surface is formed on one side of the sliding groove and one side of the unlocking position, and the extending directions of the strip-shaped groove and the unlocking position are consistent; the guide arc surface is used for enabling the locking piece to slide into the unlocking position along the guide arc surface and is opposite to the open end;

when the strip-shaped groove, the sliding groove and the locking position are overlapped, the locking piece is positioned in the overlapped area of the strip-shaped groove, the sliding groove and the locking position.

In the above anti-falling cabinet lock, the width of the chute is gradually increased from the closed end of the chute to the open end of the chute.

In the anti-falling cabinet lock, a cavity is arranged on the lower surface of the body; the lock tongue and the first sliding block are positioned in the cavity; the spring bolt is provided with a first buffer piece for buffering the collision between the spring bolt and the wall of the cavity; when the lock tongue is positioned at the unlocking position, the first buffer piece is in elastic abutting contact with the wall of the cavity.

In the above anti-falling cabinet lock, the first buffer member is a buffer spring, and the first buffer member is located on one side of the lock tongue close to the first slider and one side of the lock tongue far away from the first slider.

In the anti-falling cabinet lock, the second sliding block is provided with a connecting hole fixedly connected with an external rail core.

In the anti-falling cabinet lock, one end of the first sliding block, which is far away from the body, is provided with a connecting end fixedly connected with an external locking rod.

In the anti-falling cabinet lock, at least one first slide block is a first slide block with adjustable length along the sliding direction of the first slide block.

In the above anti-falling cabinet lock, one end of the body, which is far away from the lock tongue, is provided with a second buffer piece for buffering the collision of the external inner rail.

In the above anti-falling cabinet lock, one side of the first sliding block, which is far away from the spring bolt, is provided with a protruding end, and when the two first sliding blocks are closed, the protruding ends of the two first sliding blocks are closed together.

In the above anti-falling cabinet lock, when the two first sliding blocks are closed, a gap opposite to the lock tongue is formed between the two first sliding blocks, and the gap is smaller than the width of the lock tongue.

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

this lock ware accessible spring bolt, second slider are connected and are separated at the settlement position, realize that the spring bolt is in the state of embedding between two first sliders or withdrawing from between two first sliders, and then the minimum interval between the first slider of control.

Specifically, when the locking piece moves to the unlocking position, the lock tongue is inserted between the two first sliding blocks, and the minimum distance between the two first sliding blocks is the width of the lock tongue;

when the retaining member moves in the locking displacement, the lock tongue withdraws out of the two second sliding blocks, and the minimum distance between the two first sliding blocks can be reduced to be significantly smaller than the width of the lock tongue, even 0.

The lock realizes the functions, only 5 types of 6 parts are needed, and the lock is simple in structure and convenient to operate.

This locker passes through the impact of second bolster buffering inner rail to the body.

The lock realizes the matching of the locking rods with different lengths through at least one first slide block with adjustable length.

Drawings

Fig. 1 is a perspective view of embodiment 1 of the present invention;

fig. 2 is a plan view of embodiment 1 of the present invention;

fig. 3 is a bottom view of embodiment 1 of the present invention;

fig. 4 is a perspective view of embodiment 1 of the present invention;

fig. 5 is a plan view of embodiment 1 of the present invention;

fig. 6 is a bottom view of embodiment 1 of the present invention;

fig. 7 is a perspective view of a body according to embodiment 1 of the present invention;

fig. 8 is a bottom view of the body according to embodiment 1 of the present invention;

fig. 9 is a perspective view of a second slider according to embodiment 1 of the present invention;

fig. 10 is a perspective view of a pair of first sliders according to embodiment 1 of the present invention;

fig. 11 is a perspective view of the locking member of embodiment 1 of the present invention;

fig. 12 is a perspective view of a tongue according to embodiment 1 of the present invention.

Fig. 13 is a plan view of a slider body according to embodiment 1 of the present invention;

fig. 14 is a bottom view of a knob according to embodiment 1 of the present invention;

fig. 15 is a perspective view of another state of embodiment 1 of the present invention.

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.

Example 1

Referring to fig. 1-12, a lock for preventing cabinet collapse comprises a body 1, a bolt 2 disposed on the lower surface of the body 1, a pair of first sliding blocks 3 disposed on the lower surface of the body 1 and sliding engaged with the body 1, and a second sliding block 4 disposed on the upper surface of the body 1 and sliding engaged with the body 1; the lock tongue 2 is connected with the second sliding block 4 through a locking piece 5; the body 1 is provided with an unlocking position 6 and a locking position 7;

referring to fig. 4-6, when the locking member 5 is moved to the unlocking position 6, the locking tongue 2 is inserted between the two first sliding blocks 3, the second sliding block 4 is separated from the locking member 5, and the locking tongue 2 is connected with the locking member 5;

referring to fig. 1-3, when the locking member 5 moves at the locking position 7, the bolt 2 exits out of the two second sliding blocks 4 and the bolt 2 are connected with the locking member 5.

The lock is applied to drawer sliding rails of a lodging-resistant cabinet, and only one drawer can be opened at a time for a multilayer drawer by using the lock, and the anti-toppling principle described in CN201820186126.6 can be specifically referred to, and the embodiment is not limited and described too much.

If the minimum distance between the two first sliders 3 is fixed to a large value, the other drawers cannot be opened, and only the present drawer can be opened.

If there is no obstacle between the two first sliders 3, the present drawer is in the closed state, and only one of the other drawers is allowed to open.

In order to achieve the purpose, the specific operation mode of the embodiment is as follows: in practical application, the body 1 is fixedly connected with an outer rail of a slide rail of an external drawer, the second sliding block 4 is connected with a rail core of the slide rail of the drawer, and a middle rail is arranged between the rail core and the outer rail;

when the drawer is closed, the second sliding block 4, the locking piece 5 and the bolt 2 are pushed to the locking position 7 by the rail core, and at this time, the second sliding block 4, the locking piece 5 and the bolt 2 are fixedly connected, so long as pulling force is exerted on the first sliding block 3 from the outside, the distance between the two first sliding blocks 3 can be freely changed between the maximum distance and the minimum distance;

when the drawer is to be opened, other drawers are closed, and in this time, the second sliding block 4 moves along with the rail core, and when moving to the unlocking position 6, the second sliding block 4 is separated from the locking piece 5, the bolt 2 is left between the two first sliding blocks 3, and the minimum distance between the first sliding blocks 3 is fixed on the width of the bolt 2.

When the drawer that pulls open will be closed, second slider 4 removes to retaining member 5 along with the rail core, and retaining member 5 is taken to locking position 7 by second slider 4, and the spring bolt 2 breaks away from two first sliders 3 this time, as long as the external world exerts the pulling force on first slider 3, and the interval between two first sliders 3 can freely change between maximum interval and minimum interval.

In practical applications, there are many ways to separate the locking member 5 from the second slider 4 at the locking position 7, and a specific description will be given in the following preferred embodiments, and in addition, a snap-in structure may be adopted, for example, a detachable annular cantilever-type snap is provided on the second slider 4, the locking member 5 is locked by the cantilever-type snap, and when an excessive pulling force is applied to the second slider 4 at the unlocking position 6, the cantilever-type snap is separated from the locking member 5. In addition, can also be equipped with an elasticity ball seat on second slider 4, be equipped with the rigidity bulb of complex with it on retaining member 5, when pulling power is suitable, second slider 4 can drive retaining member 5 and spring bolt 2 and remove, when reaching locking position 7 and exert too big pulling power, the elasticity ball seat can separate with the rigidity bulb. The above-mentioned cantilever type buckle and ball head-ball seat structure which can be repeatedly disassembled and clamped can refer to figure library "https:// wenku. baidu. com/view/e6e6e18a6f25c52cc58bd6bea 7. html" in the first section figure3 and the second section figure4 (b).

Preferably, the sliding direction of the bolt 2 is perpendicular to the sliding direction of the two first sliding blocks 3.

Preferably, one end of the bolt 2 close to the first sliding block 3 is a tapered end 21; the two first sliding blocks 3 are provided with guide slopes 31; the tapered end 21 may be trapezoidal or triangular;

when the distance between the two first sliding blocks 3 is the smallest, the two guide slopes 31 form a V-shaped guide notch matching the shape of the tapered end 21.

The tapered end 21 and the guide notch are matched and can be inserted between the two first sliding blocks 3 by using the bolt 2.

Preferably, with reference to fig. 7-12, the locking bit 7 and the unlocking bit 6 constitute a continuous L-shaped slot; the width of the groove is matched with the outer diameter of the middle part of the locking piece 5; the second sliding block 4 is provided with a sliding chute 41; a strip-shaped groove 22 is formed in the bolt 2; one end of the sliding groove 41 is an open end 42; the open end 42 faces the locking position 7; one end of the locking piece 5 is embedded into the strip-shaped groove 22, and the other end of the locking piece 5 is embedded into the sliding groove 41; the middle part of the locking piece 5 is positioned in the groove; the strip-shaped groove 22 is parallel to the unlocking part 6; the strip-shaped groove 22 is vertical to the locking position 7;

when the strip-shaped groove 22, the sliding groove 41 and the unlocking position 6 are overlapped, a guide arc surface is formed on one side of the sliding groove 41 and one side of the unlocking position 6, and the extending directions of the strip-shaped groove 22 and the unlocking position 6 are consistent; the guide arc surface is used for enabling the locking piece 5 to slide into the unlocking position 6 along the guide arc surface and is opposite to the open end 42; since the second slider 4 is pulled further by the rail core, the locking member 5 will slide along the guiding arc into the unlocking position 6, and when the second slider 4 is pulled further, the end of the locking member 5 will be disengaged from the second slider 4 at the open end 42.

When the strip-shaped groove 22, the sliding groove 41 and the locking position 7 are overlapped, the locking piece 5 is positioned in the overlapped area of the strip-shaped groove 22, the sliding groove 41 and the locking position 7.

Because the strip-shaped groove 22 and the locking position 7 are vertical, the superposition of the strip-shaped groove 22 and the locking position 7 can only be accommodated by the locking piece 5, and some movement space for the locking piece 5 can not be provided or can be slightly provided, so that the movement of the locking piece 5 is severely limited, and the locking piece cannot fall off from the sliding groove 41.

In the present embodiment, the width of the slide groove 41 gradually increases from the closed end 43 of the slide groove 41 to the open end 42 of the slide groove 41. The open end 42 of the chute 41 is widest so that the locking member 5 can be introduced into the chute 41 when the second slider 4 is close to the locking member 5, regardless of the position of the locking member 5 in the unlocking position 6.

In the present embodiment, the lower surface of the body 1 is provided with a cavity 11; the bolt 2 and the first sliding block 3 are positioned in the cavity 11; be equipped with the first bolster 23 that is used for buffering the wall collision of spring bolt 2 and cavity 11 on the spring bolt 2, first bolster 23 is buffer spring or plastic cushion, first bolster 23 is located one side that spring bolt 2 is close to first slider 3 and keeps away from one side of first slider 3. When the locking tongue 2 is in the unlocking position, the first buffer member 23 adjacent to the first sliding block 3 is in abutting contact with the inner wall of the cavity 11, so that when the second sliding block 4 collides with the locking member 5 again, the first buffer member 23 provides power for rapidly moving the locking member 5 from the unlocking position 6 to the locking position 7 because the locking tongue 2 and the locking member 5 are connected.

As a preferred embodiment, referring to fig. 7-8, the second sliding block 4 is provided with a connecting hole 13 fixedly connected with an external rail core. The second sliding block 4 is fixedly connected with the rail core through a connecting hole 13 by a bolt or a bolt. One end of the first sliding block 3, which is far away from the body 1, is provided with a connecting end 32 fixedly connected with an external locking rod. The connection end 32 is similar to a card slot in CN 201820186126.6.

Preferably, at least one first slide 3 is a first slide 3 with an adjustable length along the sliding direction of the first slide 3. The length adjusting device is in many mechanical fields, such as a plurality of positioning holes for positioning and changing the length and the like.

In the present embodiment, referring to fig. 2, 13 and 14, the first sliding block 3 with adjustable length is specifically divided into a sliding block body 37, an extension end 38 inserted into the sliding block body 37, and the connection end 32 is disposed on the extension end 38; the extension end 38 and the sliding block body 37 are fixed through a knob 33 after being inserted, a plurality of positioning protrusions 34 at different positions are arranged on the sliding block body 37, and an arc-shaped clamping plate 35 used for being clamped between every two adjacent positioning protrusions 34 is arranged on the lower surface of the knob 33; the upper surface of the knob 33 is provided with a cross-shaped groove 36 for the screwdriver to screw; knob 33 and extension 38 are threadably engaged and locked. By adjusting which of the two positioning protrusions 34 the arc-shaped catch plate 35 is between, the length of the first slider 3 can be adjusted.

In the present embodiment, only one first slider 3 is selected and arranged as such. It is of course not excluded that both first slides 3 are so designed.

Preferably, a second buffer piece 12 for buffering the collision of an external internal rail is arranged at one end of the body 1 away from the bolt 2; the second buffer 12 can be implemented in various forms, such as an arc-shaped plastic buffer or a spring or an elastic block. This embodiment is preferably an arcuate plastic bumper.

Referring to fig. 15, preferably, a side of the first sliding block 3 away from the bolt 2 is provided with a protruding end 30, and when the two first sliding blocks 3 are closed, the protruding ends 30 of the two first sliding blocks 3 are closed together.

More preferably, when the two first sliding blocks 3 are closed, a gap 39 facing the bolt 2 is formed between the two first sliding blocks 3, and the gap 39 is smaller than the width of the bolt 2.

The existence of protruding end 30 does benefit to the insertion of spring bolt more, and is special, when the clearance that leads to because the existence of protruding end 30 is not more than the width of spring bolt, the pointed end of spring bolt can insert the clearance, but whole can not get into the clearance, can do benefit to the spring bolt and impel between two first sliders 3 and push 2 first sliders 3 open.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a prevent down cabinet locker, includes the body, its characterized in that: the lock further comprises a lock tongue arranged on the lower surface of the body, a pair of oppositely arranged first sliding blocks arranged on the lower surface of the body and in sliding fit with the body, and a second sliding block arranged on the upper surface of the body and in sliding fit with the body; the lock tongue is connected with the second sliding block through a locking piece; the body is provided with an unlocking position and a locking position;

2. The anti-falling cabinet locker of claim 1, wherein the sliding direction of the lock tongue is perpendicular to the sliding direction of the two first sliding blocks.

3. The anti-toppling cabinet lock device according to claim 2, wherein one end of the lock tongue close to the first slider is a tapered end; two first sliding blocks are provided with guide slopes;

4. The anti-toppling cabinet locker of claim 1 wherein the locking and unlocking positions form a continuous L-shaped slot; the width of the groove is matched with the outer diameter of the middle part of the locking piece; the second sliding block is provided with a sliding chute; the lock tongue is provided with a strip-shaped groove; one end of the sliding chute is an open end; the open end faces the locking position; one end of the locking piece is embedded into the strip-shaped groove, and the other end of the locking piece is embedded into the sliding groove; the middle part of the locking piece is positioned in the groove; the strip-shaped groove is parallel to the unlocking bit; the strip-shaped groove is vertical to the locking position;

5. The lockdown prevention locker of claim 4, wherein the width of the chute increases gradually from the closed end of the chute to the open end of the chute.

6. The anti-falling cabinet locker of claim 1, wherein a cavity is formed in the lower surface of the body; the lock tongue and the first sliding block are positioned in the cavity; the spring bolt is provided with a first buffer piece for buffering the collision between the spring bolt and the wall of the cavity; when the lock tongue is positioned at the unlocking position, the first buffer piece is in elastic abutting contact with the wall of the cavity.

7. The anti-falling cabinet lock according to claim 6, wherein the first buffer member is a buffer spring, and the first buffer member is located on one side of the lock tongue close to the first slider and one side of the lock tongue far away from the first slider.

8. The anti-falling cabinet lock device according to any one of claims 1 to 7, wherein the second sliding block is provided with a connecting hole fixedly connected with an external rail core; one end of the first sliding block, which is far away from the body, is provided with a connecting end fixedly connected with an external locking rod; at least one first slider is the first slider with adjustable length along first slider slip direction, the body is kept away from the one end of spring bolt and is equipped with the second bolster that is used for buffering the interior rail collision of peripheral hardware.

9. The anti-falling cabinet lock device according to any one of claims 1 to 7, wherein a protruding end is provided on a side of the first sliding block away from the bolt, and when the two first sliding blocks are closed, the protruding ends of the two first sliding blocks are closed together.

10. The anti-falling cabinet lock according to claim 9, wherein when the two first sliding blocks are closed, a gap facing the lock tongue is formed between the two first sliding blocks, and the gap is smaller than the width of the lock tongue.