CN211008091U

CN211008091U - Locking device

Info

Publication number: CN211008091U
Application number: CN201921179545.8U
Authority: CN
Inventors: 梁展鹏
Original assignee: Guangzhou Xingman Infant Products Co ltd
Current assignee: Guangzhou Xingman Infant Products Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-07-14
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses a locking device, which comprises a first base, connecting piece and second base, the first end and the first base pivot connection of connecting piece, so that this connecting piece can overturn towards first base, and the relative both sides of the bottom of the second end of connecting piece all are equipped with colludes the fastener, can install two buttons and be located the first elastic component between two buttons in the second base with sliding, first elastic component is used for providing elastic support for the button, the spacing groove rather than inside intercommunication is seted up at the top of second base, the opening rather than inside intercommunication is seted up to the lateral wall of second base, the first end of button is equipped with the splenium of pressing that stretches out from the opening, the second end of button has the hasp that stretches out from the spacing groove and can collude fastener lock. This locking device can avoid children to open the cabinet door at will well, and in addition, this locking device still can avoid the easy problem of losing of accessory among the locking structure, and it is more convenient to use.

Description

Locking device

Technical Field

The utility model relates to a cabinet door tool to lock technical field especially relates to a locking device.

Background

A cabinet is a common furniture, which generally includes a cabinet frame and a drawer or a cabinet door inserted into the cabinet frame, wherein the drawer or the cabinet is generally used for storing articles. In practice, because 1 year-3 year old children are often full of curiosity to the things of life, often pull open the cabinet door and turn over the article in the cupboard, light then turn over drawer or the article in the cabinet body in a jumble, the head of a family has to pick up article again, then can lead to children to take place to collide with at the in-process of turning over the cabinet door easily, consequently, in order to prevent that children from turning over the cabinet door at will, the cabinet door generally all disposes the cabinet door lock, but the cabinet door lock among the prior art is mostly through key locking, during locking, then need extract the key, extract then lose again easily, lead to the article in the cabinet door can't take out, there is the inconvenient problem of use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a locking device, this locking device can avoid the cabinet door to be opened by children at will to can not take place because of losing the condition that the accessory among the locking structure leads to the unable opening of cabinet door, it is more convenient to use.

The purpose of the utility model is realized by adopting the following technical scheme:

the first scheme is as follows:

the locking device comprises a first base, a second base and a connecting piece, wherein the first end of the connecting piece is in pivot connection with the first base so that the connecting piece can turn over towards the first base, hook fasteners are arranged on two opposite sides of the bottom of the second end of the connecting piece, the second base is of a hollow structure, two keys and a first elastic piece positioned between the two keys are slidably arranged in the second base, the first elastic piece is used for providing elastic support for the keys, a limiting groove communicated with the inside of the second base is formed in the top of the second base, an opening communicated with the inside of the second base is formed in the side wall of the second base, a pressing part extending out of the opening is arranged at the first end of each key, the outer diameter of the pressing part is larger than the aperture of the opening, and a lock catch extending out of the limiting groove and capable of being buckled with the hook fasteners is arranged at the second end of each key, when the first elastic piece is in a natural stretching state, the lock catch is connected with the hooking piece, and the pressing parts are pressed to compress the first elastic piece so as to separate the lock catch from the hooking piece.

Scheme II: the connecting piece is pivoted with the first base, so that the connecting piece can turn over towards the first base, at least one side of the bottom of the second end of the connecting piece is provided with a hooking piece, the second base is of a hollow structure, at least one key and a first elastic piece are slidably arranged in the second base, one end of the first elastic piece is connected with the inner wall of the second base, the other end of the first elastic piece is connected with the key, the top of the second base is provided with a limiting groove communicated with the inside of the second base, the side wall of the second base is provided with an opening communicated with the inside of the second base, the first end of the key is provided with a pressing part extending out of the opening, the outer diameter of the pressing part is larger than the aperture of the opening, and the second end of the key is provided with a lock catch extending out of the limiting groove and capable of being buckled with the hooking piece, when the first elastic piece is in a natural stretching state, the lock catch is connected with the hooking piece, and the pressing part is pressed to compress the first elastic piece so that the lock catch and the hooking piece are separated from each other.

Furthermore, a sliding groove which is suitable for being matched with a part between the first end and the second end of the key in a sliding mode is formed in the second base; and two guide plates are further arranged in the second base, and a guide channel for the first elastic piece to pass through is formed between the two guide plates at intervals.

Furthermore, the hook member is a raised line arranged on the side wall of the bottom of the second end of the connecting member, the lock catch comprises an upright part and a bending part formed by extending the free end of the upright part towards the side wall of the connecting member, and the bending part is suitable for abutting against the raised line.

Furthermore, the connecting piece comprises a first connecting piece and a second connecting piece which are arranged in a split mode, the first connecting piece and the second connecting piece are connected in a pivoting mode, and the pivoting center line of the first connecting piece is parallel to the pivoting center line of the first end of the connecting piece.

Furthermore, the top of the second base is further provided with a second elastic piece, when the lock catch is connected with the hook fastener, the free end of the second elastic piece is abutted against the bottom of the connecting piece, the second elastic piece is compressed, and when the lock catch is disconnected with the hook fastener, the connecting piece is jacked up by the second elastic piece to be away from the second base.

Furthermore, a first accommodating groove suitable for being matched with the first end of the connecting piece is formed in the top of the first base; the top of the second base is provided with a second accommodating groove which is suitable for being matched with the second end of the connecting piece; and a notch for accommodating the pressing part is formed in the side wall of the second base.

Further, the first base comprises a bottom plate and two side plates which are arranged at intervals and formed by upward extending of the top surface of the bottom plate, and the first end of the connecting piece is located between the two side plates and is in pivot connection with the side plates.

Furthermore, the first end of the connecting piece is pivotally connected with the side plate through a first pivot shaft, the first pivot shaft comprises two first positioning posts and a first spring arranged between the two first positioning posts, a first positioning hole is formed in the side plate, a second positioning hole is formed in the first end of the connecting piece, the first pivot shaft penetrates through the second positioning hole, and the free end of the first positioning post extends out of the second positioning hole and is matched with the first positioning hole.

Furthermore, the first connecting piece and the second connecting piece are connected through a second pivot shaft, the second pivot shaft comprises two second positioning columns and a second spring arranged between the two second positioning columns, the end part of one of the first connecting piece and the second connecting piece extends outwards to form two extending ends arranged at intervals, a third positioning hole is formed in the extending end, a fourth positioning hole is formed in the end part of the other one of the first connecting piece and the second connecting piece and is located between the two extending ends, the second pivot shaft penetrates through the fourth positioning hole, and the free end of the second positioning column extends out of the fourth positioning hole and is matched with the third positioning hole.

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

because this locking device's locking structure combines and the cooperation between the second base by button and first elastic component and constitutes, young children can't make out the power that can open this locking structure because the strength is less, consequently, this kind of structure's locking device can avoid children to open the cabinet door at will well, in addition, because the first end and the first base pivotal connection of connecting piece, unblock the second of this connecting piece end and the second base between the back of being connected, also can make the connecting piece hang on first base, the problem that the accessory among the locking structure is lost easily has been avoided, it is more convenient to use.

Drawings

Fig. 1 is a schematic structural view of the locking device of the present invention;

FIG. 2 is a schematic view of the internal structure of the locking device shown in FIG. 1;

FIG. 3 is an exploded view of a second base in the latch of FIG. 1;

fig. 4 is a schematic view of the internal structure of the housing of the second base shown in fig. 3.

In the figure: 1. a first base; 11. a side plate; 2. a connecting member; 21. a first connecting member; 22. a second connecting member; 3. a second base; 31. a cover plate; 311. a first buckle; 32. a housing; 321. an opening; 322. a limiting groove; 323. a stepped hole; 324. a chute; 325. a guide plate; 326. a second buckle; 33. pressing a key; 331. a pressing part; 3311. a concave position; 332. locking; 3321. an upright portion; 3322. a bending part; 34. a third spring; 35. a second elastic member; 351. snapping; 352. a fourth spring; 41. a first positioning post; 42. a first spring; 51. a second positioning column; 52. a second spring; 6. double-sided paste.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Referring to fig. 1-2, a locking device according to a first embodiment of the present invention is shown, the locking device includes a first base 1, a connecting member 2 and a second base 3, wherein a first end of the connecting member 2 is pivotally connected to the first base 1, and a pivot center line of the connecting member 2 is perpendicular to a length extending direction of the connecting member 2, so that the connecting member 2 can be turned over toward the first base 1, two opposite sides of a bottom of a second end of the connecting member 2 are provided with hook members, the second base 3 is of a hollow structure, two keys 33 and a first elastic member located between the two keys 33 are slidably installed in the second base 3, the first elastic member is used for providing elastic support for the keys 33, a top of the second base 3 is provided with a limiting groove 322 communicated with an inside thereof, a side wall of the second base 3 is provided with an opening 321 communicated with an inside thereof, a first end of the keys 33 is provided with a pressing portion 331 extending from the opening 321, should be formed with concave position 3311 that is used for with the finger laminating on pressing the portion 331, can play skid-proof effect, the external diameter of pressing the portion 331 is greater than the aperture of opening 321, play spacing effect with pressing the portion 331 to this, avoid pressing the portion 331 to stretch into this second base 3 and influence the operation according to pressing, the second end of button 33 has the hasp 332 that stretches out and can buckle with colluding the fastener from spacing groove 322, when first elastic component is in the state of stretching out naturally, hasp 332 is connected with colluding the fastener, press two to press the portion 331 to make first elastic component compress and make hasp 332 and collude the fastener and break away from and be connected according to pinching.

The utility model discloses a locking device of second embodiment still can adopt following mode to realize:

the second embodiment is different from the first embodiment in that: at least one side of the bottom of the second end of the connecting piece 2 is provided with a hook piece, at least one key 33 and a first elastic piece are slidably installed in the second base 3, one end of the first elastic piece is connected with the inner wall of the second base 3, the other end of the first elastic piece is connected with the key 33, the top of the second base 3 is provided with a limit groove 322 communicated with the inside of the second base, the side wall of the second base 3 is provided with an opening 321 communicated with the inside of the second base, the first end of the key 33 is provided with a pressing part 331 extending out of the opening 321, the outer diameter of the pressing part 331 is larger than the aperture of the opening 321, the second end of the key 33 is provided with a lock catch 332 extending out of the limit groove 322 and capable of being buckled with the hook piece, when the first elastic piece is in a natural stretching state, the lock catch 332 is connected with the hook piece, and the pressing part 331 enables the first elastic piece to be.

When the locking device 332 of the utility model is used, either one of the first base 1 and the second base 3 is connected with the cabinet body, the other one is connected with the cabinet door, when the cabinet door is locked, the second end of the connecting piece 2 is buckled on the second base 3 and the lock catch 332 is connected with the hook fastener, so that the second end of the connecting piece 2 is fixed with the second base 3, thereby locking the cabinet door, when the cabinet door needs to be opened, the first elastic piece is compressed by pressing the pressing part 331 to separate the lock catch 332 from the hook fastener, thereby separating the second end of the connecting piece 2 from the second base 3, then the connecting piece 2 is turned over relative to the first base 1 to realize the unlocking of the cabinet door, because the locking structure of the locking device is formed by combining the key 33 and the first elastic piece with the second base 3, young children can not make the force capable of opening the locking structure because of small force, therefore, the locking device with the structure can well prevent children from opening the cabinet door at will, in addition, due to the fact that the first end of the connecting piece 2 is in pivot connection with the first base 1, after the second end of the connecting piece 2 is unlocked and the second base 3 is connected, the connecting piece 2 can be hung on the first base 1, the problem that accessories in the locking structure are easy to lose is avoided, and the locking device is convenient and fast to use.

In a preferred embodiment, the first base 1 comprises a bottom plate and two spaced side plates 11 extending upward from the top surface of the bottom plate, and the first end of the connecting member 2 is located between the two side plates 11 and pivotally connected to the side plates 11, so that the connecting member 2 can rotate within an angle range of 0 to 180 degrees, and the use of the locking device is further facilitated. Of course, the first end of the connecting member 2 and the first base 1 may be connected by a hinge, and when the structure is adopted, one side of the hinge is connected to the first base 1, and the other side of the hinge is connected to the first end of the connecting member 2, but due to the addition of the hinge between the first end of the connecting member 2 and the first base 1, the connecting structure between the first connecting member 21 and the first base 1 is more complex and larger in size, and the overall structure of the locking device is not compact enough.

As shown in fig. 2, the first end of the connecting member 2 is pivotally connected to the side plate 11 through a first pivot shaft, the first pivot shaft includes two first positioning posts 41 and a first spring 42 fixedly disposed between the two first positioning posts 41, the side plate 11 is provided with a first positioning hole, the first end of the connecting member 2 is provided with a second positioning hole, the first pivot shaft passes through the second positioning hole, and a free end of the first positioning post 41 extends out of the second positioning hole and is matched with the first positioning hole. The first pivot shaft with the structure is adopted to realize the pivotal connection between the connecting piece 2 and the side plate 11, the installation is more convenient, during the installation, the first pivot shaft can be firstly installed on the second positioning hole, then the first positioning columns 41 positioned at the two ends of the second positioning hole are pressed to retract the first positioning columns 41 into the second positioning hole, then the first end of the connecting piece 2 extends into the position between the two side plates 11 and enables the first positioning columns 41 to be aligned with the first positioning hole, and then the pivotal connection between the connecting piece 2 and the side plate 11 can be realized by loosening the first positioning columns 41. Of course, the pivotal structure between the connecting member 2 and the side plate 11 can be realized by means of rivet connection.

In a preferred embodiment, the connecting member 2 comprises a first connecting member 21 and a second connecting member 22 which are separately arranged, a first end of the first connecting member 21 is pivotally connected with the side plate 11, a second end of the first connecting member 21 is pivotally connected with a first end of the second connecting member 22, and a pivot center line of the first connecting member is parallel to a pivot center line of the first end of the connecting member 2, so that the second connecting member 22 can be turned relative to the first connecting member 21, and the locking device can be also suitable for connecting the cabinet door and the cabinet body.

As a preferred embodiment, the first connecting piece 21 and the second connecting piece 22 are connected by a second pivot shaft, the second pivot shaft includes two second positioning columns 51 and a second spring 52 disposed between the two second positioning columns 51, an end of one of the first connecting piece 21 and the second connecting piece 22 extends outwards to form two protruding ends disposed at intervals, the protruding end is provided with a third positioning hole, an end of the other one of the first connecting piece 21 and the second connecting piece 22 is provided with a fourth positioning hole and is located between the two protruding ends, the second pivot shaft passes through the fourth positioning hole, and a free end of the second positioning column 51 extends out of the fourth positioning hole and is matched with the third positioning hole.

Referring to fig. 3-4, the second base 3 includes a cover plate 31 and a housing 32, the housing 32 is a hollow structure, the housing 32 has an installation opening, the cover plate 31 is suitable for matching with the installation opening, the cover plate 31 is provided with a first buckle 311, the housing 32 is provided with a second buckle 326 buckled with the first buckle 311, the housing 32 is provided with the opening 321 and the limiting groove 322 communicated with the interior thereof.

As shown in fig. 4, in a preferred embodiment, a sliding slot 324 is formed in the housing 32 and is adapted to slidably engage with a portion between the first end and the second end of the key 33, so as to guide the key 33 and make it slide more smoothly.

In a preferred embodiment, two guide plates 325 are further disposed in the housing 32, and a guide channel for the first elastic member to pass through is formed between the two guide plates 325, so that the first elastic member can be guided, and the first elastic member can be more smoothly extended and retracted. Specifically, the first elastic member may be a third spring 34 as shown in fig. 3 or an elastic column made of an elastic rubber material.

In a preferred embodiment, the hook member is a protruding strip provided on a side wall of the bottom portion of the second end of the connector 2, the latch 332 includes an upright portion 3321 and a bent portion 3322 extending from a free end of the upright portion 3321 in a direction toward the side wall of the connector 2, and the bent portion 3322 is adapted to abut against the protruding strip.

In a preferred embodiment, the top of the second base 3 is further provided with a second elastic element 35, when the latch 332 is connected to the hook, the free end of the second elastic element 35 abuts against the bottom of the connecting element 2, and the second elastic element 35 is compressed, and when the latch 332 is disconnected from the hook, the connecting element 2 is pushed up by the second elastic element 35 to be away from the second base 3.

Specifically, the second elastic member 35 includes a snap 351 made of a hard material (e.g., a plastic material or a metal material) and a fourth spring 352, the housing 32 is provided with a stepped hole 323 communicating with the inside thereof and engaging with the snap 351, an upper end aperture of the stepped hole 323 is smaller than a lower end aperture thereof, an external shape of the snap 351 is adapted to the shape of the stepped hole 323, one end of the fourth spring 352 is connected to the top surface of the cover plate 31, and the other end of the fourth spring is connected to the snap 351. Thus, when the second end of the connecting member 2 is locked on the second base 3, the elastic buckle 351 can be accommodated in the stepped hole 323, so as to avoid increasing the size of the second base 3 in the vertical direction, so that the structure of the second base 3 is more compact, and when the second end of the connecting member 2 is disconnected from the second base 3, the elastic buckle 351 is jacked up by the fourth spring 352 to push the second end of the connecting member 2, so that the second end of the connecting member 2 moves in the direction away from the second base 3. Of course, the second elastic member 35 may be a spring column made of an elastic rubber material.

As a preferred embodiment, the top of the first base 1 is provided with a first receiving groove adapted to be matched with the first end of the connecting element 2, the top of the second base 3 is provided with a second receiving groove adapted to be matched with the second end of the connecting element 2, and the sidewall of the second base 3 is provided with a notch for receiving the pressing portion 331, so that the first end, the second end and the pressing portion 331 of the connecting element 2 can be received at corresponding positions, and the locking device can be more compact in overall structure and smaller in external dimension.

As the preferred embodiment, the bottom of first base 1 and second base 3 is pasted with two-sided subsides 6, and during the use, accessible is pasted with cabinet door or cabinet body through this two-sided subsides 6 to realize this locking device's convenient installation, of course, first base 1 and second base 3 also can be connected with cabinet door or cabinet body through the mode of screw connection.

It can be understood that the utility model discloses a locking device not only can be applicable to the cupboard, can also be applicable to refrigerator, oven, window, push-and-pull door etc..

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The locking device is characterized by comprising a first base, a second base and a connecting piece, wherein the first end of the connecting piece is in pivot connection with the first base so that the connecting piece can turn towards the first base, hook pieces are arranged on two opposite sides of the bottom of the second end of the connecting piece, the second base is of a hollow structure, two keys and a first elastic piece positioned between the two keys are slidably arranged in the second base, the first elastic piece is used for providing elastic support for the keys, a limiting groove communicated with the inside of the second base is formed in the top of the second base, an opening communicated with the inside of the second base is formed in the side wall of the second base, a pressing part extending out of the opening is arranged at the first end of the keys, and a lock catch extending out of the limiting groove and capable of being locked with the hook pieces is arranged at the second end of the keys, when the first elastic piece is in a natural stretching state, the lock catch is connected with the hooking piece, and the pressing parts are pressed to compress the first elastic piece so as to separate the lock catch from the hooking piece.

2. The locking device is characterized by comprising a first base, a second base and a connecting piece, wherein the first end of the connecting piece is in pivot connection with the first base so that the connecting piece can turn towards the first base, at least one side of the bottom of the second end of the connecting piece is provided with a hook piece, the second base is of a hollow structure, at least one key and a first elastic piece are slidably arranged in the second base, one end of the first elastic piece is connected with the inner wall of the second base, the other end of the first elastic piece is connected with the key, the top of the second base is provided with a limiting groove communicated with the inside of the second base, the side wall of the second base is provided with an opening communicated with the inside of the second base, the first end of the key is provided with a pressing part extending from the opening, and the second end of the key is provided with a lock catch which extends from the limiting groove and can be locked with the hook piece, when the first elastic piece is in a natural stretching state, the lock catch is connected with the hooking piece, and the pressing part is pressed to compress the first elastic piece so that the lock catch and the hooking piece are separated from each other.

3. A latching mechanism as claimed in either one of claims 1 or 2, wherein the second base has a slot formed therein adapted to slidably engage a portion of the key between the first and second ends thereof; and two guide plates are further arranged in the second base, and a guide channel for the first elastic piece to pass through is formed between the two guide plates at intervals.

4. A latching device as claimed in claim 1 or 2, wherein the hooking member is a protruding strip provided on the side wall of the bottom of the second end of the connecting member, and the latch comprises an upright portion and a bent portion extending from the free end of the upright portion towards the side wall of the connecting member, the bent portion being adapted to abut against the protruding strip.

5. A latching apparatus as claimed in either of claims 1 or 2, wherein the link includes a first link and a second link that are separate from each other, the first link and the second link being pivotally connected to each other with a pivot axis parallel to the pivot axis of the first end of the link.

6. A latching apparatus as claimed in either of claims 1 or 2, wherein the top of the second base further comprises a second resilient member, the free end of the second resilient member abuts the bottom of the connecting member when the latch is connected to the hooking member, and the second resilient member is compressed, and when the latch is disconnected from the hooking member, the connecting member is lifted by the second resilient member away from the second base.

7. The latch of any of claims 1 or 2, wherein the top of the first base defines a first receiving slot adapted to mate with the first end of the connector; the top of the second base is provided with a second accommodating groove which is suitable for being matched with the second end of the connecting piece; and a notch for accommodating the pressing part is formed in the side wall of the second base.

8. A latching mechanism as claimed in either of claims 1 or 2 wherein the first base includes a base plate and two spaced apart side plates extending upwardly from a top surface of the base plate, the first end of the connecting member being located between and pivotally connected to the side plates.

9. The latch apparatus as claimed in claim 8, wherein the first end of the connecting member is pivotally connected to the side plate via a first pivot shaft, the first pivot shaft includes two first positioning posts and a first spring disposed between the two first positioning posts, the side plate has a first positioning hole, the first end of the connecting member has a second positioning hole, the first pivot shaft passes through the second positioning hole, and the free end of the first positioning post extends out of the second positioning hole and is engaged with the first positioning hole.

10. The latch apparatus according to claim 5, wherein the first connecting member and the second connecting member are connected by a second pivot shaft, the second pivot shaft includes two second positioning posts and a second spring disposed between the two second positioning posts, an end of one of the first connecting member and the second connecting member extends outward to form two extending ends disposed at intervals, the extending end is formed with a third positioning hole, an end of the other of the first connecting member and the second connecting member is formed with a fourth positioning hole and is located between the two extending ends, the second pivot shaft passes through the fourth positioning hole, and a free end of the second positioning post extends out of the fourth positioning hole and is matched with the third positioning hole.