CN220184858U

CN220184858U - Child safety coded lock

Info

Publication number: CN220184858U
Application number: CN202321460422.8U
Authority: CN
Inventors: 陆志伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-12-15
Anticipated expiration: 2033-06-08

Abstract

The utility model discloses a child safety coded lock, which comprises a lock seat and a lock body, wherein the lock body comprises a fixed plate and a lock plate which are rotationally connected, and a lock hole is formed in the lock plate; the lock seat comprises a seat body, a pressing block and a coded lock cylinder mechanism, wherein the seat body comprises a hollow convex hull matched with the lock hole, the pressing block is in sliding connection with the seat body, and a window for exposing one end of the pressing block is formed in the peripheral wall of the hollow convex hull; the coded lock cylinder mechanism is arranged in the hollow convex hull and contacts with the pressing block, the coded lock cylinder mechanism comprises a coded wheel assembly, and the hollow convex hull is provided with a through groove for exposing a part of the coded wheel assembly. The child safety coded lock has the advantages of simple and novel structure, fewer component parts, contribution to saving of production cost and assembly cost of the component parts, effective reduction of manufacturing cost of the child safety coded lock and wide market prospect.

Description

Child safety coded lock

Technical Field

The utility model relates to the technical field of coded locks, in particular to a child safety coded lock.

Background

Along with the growth of babies, curiosity of the world is stronger and stronger, in life, the babies often or turn over a box to pour the cabinet, for example, the babies can unauthorized open a cabinet door, a refrigerator door, a moving window, a pushing window and the like at home, and the phenomena of disordered articles, miseating, misuse of dangerous medicines, cutters, falling edges of the window and the like occur, so that unnecessary dangers are avoided, and the safety lock is needed to be used for protection.

The Chinese patent application No. 202220778439.7 discloses a child safety coded lock, which has the defects of complex structure and high manufacturing cost.

Disclosure of Invention

The utility model mainly aims to provide a child safety coded lock with a novel structure, and aims to solve the problems that the existing child safety coded lock is complex in structure and high in manufacturing cost.

In order to solve the technical problems, the utility model adopts the following technical scheme: the child safety coded lock comprises a lock seat and a lock body, wherein the lock body comprises a fixed plate and a lock plate which are rotationally connected, and a lock hole is formed in the lock plate; the lock seat comprises a seat body, a pressing block and a coded lock cylinder mechanism, wherein the seat body comprises a hollow convex hull matched with the lock hole, the pressing block is in sliding connection with the seat body, and a window for exposing one end of the pressing block is formed in the peripheral wall of the hollow convex hull; the coded lock cylinder mechanism is arranged in the hollow convex hull and contacts with the pressing block, the coded lock cylinder mechanism comprises a coded wheel assembly, and the hollow convex hull is provided with a through groove for exposing a part of the coded wheel assembly.

Further, a first mounting structure is arranged on the fixing plate.

Further, the base body further comprises a bottom plate, and the edge of the opening of the hollow convex hull extends outwards to form the bottom plate.

Further, a second mounting structure is arranged on the bottom plate.

Further, the lock seat further comprises a mounting plate, and the mounting plate is used for closing the opening of the hollow convex hull.

Further, the through groove is arranged on the top surface or the peripheral wall of the hollow convex hull.

Further, the hollow convex hull is cylindrical, elliptic cylindrical or prismatic.

Further, a guide surface is arranged on the pressing block and is connected with the top surface of the pressing block and the end surface of the pressing block.

Further, the guide surface is an inclined surface or an arc surface.

Further, the coded lock cylinder mechanism further comprises a lock shaft and an elastic piece, the coded wheel assembly is rotatably arranged on the lock shaft, a limiting block is arranged on the lock shaft, a limiting groove is formed in the inner wall of the coded wheel assembly, and when the limiting block is aligned with the limiting groove, the coded wheel assembly can slide relative to the lock shaft along the axial direction of the lock shaft; the pressing block is in transmission connection with the lock shaft, and the elastic piece drives the lock shaft to reset so as to drive the pressing block to reset.

Further, the pressing block is located at one end of the lock shaft, and the sliding direction of the pressing block is the same as that of the lock shaft.

Further, the number of the coded wheel assemblies is a plurality.

The utility model has the beneficial effects that: the child safety coded lock has the advantages of simple and novel structure, fewer component parts, contribution to saving of production cost and assembly cost of the component parts, effective reduction of manufacturing cost of the child safety coded lock and wide market prospect.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a child safety combination lock according to a first embodiment of the present utility model (when a lock body is engaged with a lock base);

fig. 2 is a schematic structural diagram of a child safety combination lock according to a first embodiment of the present utility model (when the lock body is not engaged with the lock base);

fig. 3 is a schematic diagram illustrating an internal structure of a lock base in a child resistant combination lock according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a lock base; 11. a base; 111. hollow convex hulls; 1111. a window; 1112. penetrating a groove; 112. a bottom plate; 1121. a second mounting structure; 1122. an avoidance groove; 12. pressing the blocks; 121. a guide surface; 13. a cipher lock core mechanism; 131. a code wheel assembly; 132. a lock shaft; 1321. a limiting block; 133. an elastic member; 14. a mounting plate;

2. a lock body; 21. a fixing plate; 211. a first mounting structure; 22. a lock plate; 221. a lock hole; 23. a rotating shaft.

Detailed Description

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiment of the present utility model, directional indications such as up, down, left, right, front, and rear … … are referred to, and the directional indication is merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture such as that shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

In addition, if the meaning of "and/or" is presented throughout this document to include three parallel schemes, taking "and/or" as an example, including a scheme, or a scheme that is satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

Referring to fig. 1 to 3, a first embodiment of the present utility model is as follows: the utility model provides a children's safety trick lock, includes lock seat 1 and lock body 2, lock body 2 includes fixed plate 21 and lock plate 22 that rotate the connection, be equipped with lockhole 221 on the lock plate 22; the lock seat 1 comprises a seat body 11, a pressing block 12 and a coded lock cylinder mechanism 13, the seat body 11 comprises a hollow convex hull 111 matched with the lock hole 221, the pressing block 12 is in sliding connection with the seat body 11, and a window 1111 for exposing one end of the pressing block 12 is formed in the peripheral wall of the hollow convex hull 111; the coded lock cylinder mechanism 13 is arranged in the hollow convex hull 111 and contacts the pressing block 12, the coded lock cylinder mechanism 13 comprises a coded wheel assembly 131, and the hollow convex hull 111 is provided with a through groove 1112 for exposing a part of the coded wheel assembly 131.

In use, the lock body 2 is mounted to a first external member via the fixing plate 21 and the housing 11 is mounted to a second external member. In this technical scheme, the pressing block 12 not only plays a role of acting as an unlocking button, but also plays a role of acting as a lock head for locking the lock plate 22, so that the multi-purpose lock is realized, and therefore, the component parts of the child safety coded lock can be effectively reduced.

Specifically, one end of the fixing plate 21 is rotatably connected to one end of the locking plate 22 through a rotating shaft 23, and the locking hole 221 is disposed away from the rotating shaft 23.

The fixing plate 21 is provided with a first mounting structure 211, in this embodiment, the first mounting structure 211 is a first mounting through hole through which a screw passes, that is, the lock body 2 is fixed on a first external member by the screw. In other embodiments, the first mounting structure 211 may also be a buckle, an adhesive layer, or the like. Specifically, the selection can be performed according to actual needs.

In order to facilitate the installation of the lock base 1 and the second external member and ensure the locking effect of the lock base 1 and the base 11, it is preferable that the base 11 further includes a bottom plate 112, and an edge of the opening of the hollow convex hull 111 extends outwards to form the bottom plate 112. In this embodiment, a locking groove for limiting the locking plate 22 is formed between one end of the pressing block 12 exposed out of the hollow convex hull 111 and the bottom plate 112. In other embodiments, when the base 11 does not have the bottom plate 112, a locking groove for limiting the locking plate 22 is formed between the second outer member and one end of the pressing block 12 exposed out of the hollow convex hull 111.

Preferably, the height of the locking groove is greater than the thickness of the locking plate 22, that is, the locking plate 22 has a certain movable space after being locked into the locking groove, so that the installation precision requirement of the child safety coded lock can be reduced, and the use experience of a user can be enhanced.

Optionally, the bottom plate 112 is provided with an avoidance groove 1122, and the avoidance groove 1122 is disposed opposite to the pressing block 12. The avoidance groove 1122 is provided to facilitate the user's pressing of the pressing block 12.

The bottom plate 112 is provided with a second mounting structure 1121, in this embodiment, the second mounting structure 1121 is a second mounting through hole through which a screw passes, that is, the lock base 1 is fixed on a second external member by a screw. In other embodiments, the second mounting structure 1121 may also be a clasp, glue layer, or the like. Specifically, the selection can be performed according to actual needs.

In order to facilitate the transfer of the lock base 1, the installation of the lock base 1 and the second installation structure 1121, and the limit fixation of the parts inside the lock base 1, the lock base 1 further comprises an installation plate 14, the installation plate 14 is used for closing the opening of the hollow convex hull 111, in detail, the installation plate 14 is connected with the hollow convex hull 111 and/or the bottom plate 112, and the installation of the installation plate 14 can prevent the parts contained in the hollow convex hull 111 from dropping and losing.

Mounting structures for attaching the second external member may be provided on the mounting plate 14, including but not limited to glue lines and the like.

In this embodiment, the through groove 1112 is disposed on the top surface of the hollow convex hull 111, and in other embodiments, the through groove 1112 may be disposed on the peripheral wall of the hollow convex hull 111.

The hollow convex hull 111 may have a cylindrical shape, an elliptic cylindrical shape, a prismatic shape, or other shapes.

For convenience of use, the pressing block 12 is provided with a guiding surface 121, the guiding surface 121 connects the top surface of the pressing block 12 with the end surface of the pressing block 12, and the guiding surface 121 is an inclined surface or an arc surface. The guiding surface 121 may enable the user to lock the lock body 2 and the lock seat 1 without pressing the pressing block 12, and after the edge of the lock hole 221 of the lock plate 22 contacts the guiding surface 121, the lock plate 22 may be rotated continuously, so that the lock plate 22 may push the pressing block 12 to retract, which greatly facilitates the user operation and is beneficial to enhancing the user experience. At the same time, the guiding surface 121 can eliminate the edge of the pressing block 12, and reduce the risk of the child being scratched by the pressing block 12.

The coded lock cylinder mechanism 13 further comprises a lock shaft 132 and an elastic piece 133, the coded wheel assembly 131 is rotatably arranged on the lock shaft 132, a limiting block 1321 is arranged on the lock shaft 132, a limiting groove is formed in the inner wall of the coded wheel assembly 131, and when the limiting block 1321 is aligned with the limiting groove, the coded wheel assembly 131 can slide relative to the lock shaft 132 along the axial direction of the lock shaft 132; the pressing block 12 is in transmission connection with the lock shaft 132, and the elastic member 133 drives the lock shaft 132 to reset so as to drive the pressing block 12 to reset.

The pressing block 12 is located at one end of the lock shaft 132, and the sliding direction of the pressing block 12 is the same as the sliding direction of the lock shaft 132.

The number of the code wheel assemblies 131 is plural, and in this embodiment, the number of the code wheel assemblies 131 is three.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A child safety combination lock, characterized in that: the lock comprises a lock seat and a lock body, wherein the lock body comprises a fixed plate and a lock plate which are rotationally connected, and a lock hole is formed in the lock plate; the lock seat comprises a seat body, a pressing block and a coded lock cylinder mechanism, wherein the seat body comprises a hollow convex hull matched with the lock hole, the pressing block is in sliding connection with the seat body, and a window for exposing one end of the pressing block is formed in the peripheral wall of the hollow convex hull; the coded lock cylinder mechanism is arranged in the hollow convex hull and contacts with the pressing block, the coded lock cylinder mechanism comprises a coded wheel assembly, and the hollow convex hull is provided with a through groove for exposing a part of the coded wheel assembly.

2. The child resistant combination lock of claim 1, wherein: the fixed plate is provided with a first mounting structure.

3. The child resistant combination lock of claim 1, wherein: the base body further comprises a bottom plate, and the edge of the opening of the hollow convex hull extends outwards to form the bottom plate.

4. A child resistant combination lock according to claim 3, wherein: and a second mounting structure is arranged on the bottom plate.

5. The child resistant combination lock of claim 1, wherein: the lock seat also comprises a mounting plate, wherein the mounting plate is used for sealing the opening of the hollow convex hull.

6. The child resistant combination lock of claim 1, wherein: the through groove is arranged on the top surface or the peripheral wall of the hollow convex hull.

7. The child resistant combination lock of claim 1, wherein: the hollow convex hull is cylindrical, elliptic cylindrical or prismatic.

8. The child resistant combination lock of claim 1, wherein: the pressing block is provided with a guide surface, and the guide surface is connected with the top surface of the pressing block and the end surface of the pressing block.

9. The child resistant combination lock of claim 8, wherein: the guide surface is an inclined surface or an arc surface.

10. The child resistant combination lock of claim 1, wherein: the coded lock cylinder mechanism further comprises a lock shaft and an elastic piece, the coded wheel assembly is rotatably arranged on the lock shaft, a limiting block is arranged on the lock shaft, a limiting groove is formed in the inner wall of the coded wheel assembly, and when the limiting block is aligned with the limiting groove, the coded wheel assembly can slide relative to the lock shaft along the axial direction of the lock shaft; the pressing block is in transmission connection with the lock shaft, and the elastic piece drives the lock shaft to reset so as to drive the pressing block to reset.