CN220889854U

CN220889854U - Safety protection lock

Info

Publication number: CN220889854U
Application number: CN202322543344.4U
Authority: CN
Inventors: 陆志伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-05-03
Anticipated expiration: 2033-09-18

Abstract

The utility model discloses a safety protection lock, which comprises a fixed seat, a lock seat and a chain, wherein the chain comprises a plurality of annular chain sections which are sequentially connected, at least two annular chain sections can be used as locking chain sections, and one end of the chain is connected with the fixed seat; the lock seat comprises a shell, a sliding block and a lock core are arranged in the shell, the sliding block can slide relative to the shell, the shell is provided with a socket for inserting a locking chain section, the sliding block is provided with a lock column and a contact part, and the lock column is used for being matched with the locking chain section extending into the socket to lock a chain; the lock cylinder is rotatable relative to the housing, and the lock cylinder has an eccentric contact block contacting the contact portion, the eccentric contact block being adapted to drive the slider to slide. This safety protection lock adopts the chain to connect lock seat and fixing base, improves structural stability, compares in prior art, does not have tapered end and connecting rope to break away from the risk. The lock seat can be matched with different locking chain sections, so that the path length between the lock seat and the fixed seat is adjustable, and the requirement of the safety protection lock on the installation environment is reduced.

Description

Safety protection lock

Technical Field

The utility model relates to the technical field of locks, in particular to a safety protection 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 utility model of China patent application number 202021637551.6 discloses a safety lock, which comprises a fixed seat, a connecting piece and a lock seat, wherein the fixed seat is connected with the lock seat through the connecting piece, the connecting piece comprises a connecting rope and a lock head which are connected, one end of the connecting rope, which is far away from the lock head, is connected with the fixed seat, the lock seat comprises a shell and a locking piece arranged in the shell, a lock hole for the lock head to penetrate is formed in the shell, the locking piece is used for locking with the lock head, the locking piece comprises a locking piece arranged in the shell and a lock core connected with the locking piece, the lock core comprises a key hole exposed out of the shell, and the lock core drives the locking piece to move towards the direction close to the lock hole so as to lock the lock head.

The safety lock has the following problems: 1. the bonding strength of the lock head and the connecting rope is limited, and the risk of mutual separation exists; 2. the connection position of the lock seat and the connecting rope is not adjustable, and the locking plate can only be matched with the lock head at the end part of the connecting rope, so that the length of the connecting rope is inconvenient to adjust, and the user is inconvenient to use.

Disclosure of utility model

The utility model mainly aims to provide a safety protection lock with a novel structure, and aims to solve the problems of poor structural stability and inconvenient use of the existing safety lock.

In order to solve the technical problems, the utility model adopts the following technical scheme: the safety protection lock comprises a fixed seat, a lock seat and a chain, wherein the chain comprises a plurality of annular chain sections which are sequentially connected, at least two annular chain sections can be used as locking chain sections, and one end of the chain is connected with the fixed seat; the lock seat comprises a shell, wherein a sliding block and a lock cylinder are arranged in the shell, the sliding block can slide relative to the shell, the shell is provided with a socket for the locking chain section to be inserted, the sliding block is provided with a lock column and a contact part, and the lock column is used for being matched with the locking chain section extending into the socket to lock the chain; the lock cylinder is rotatable relative to the housing, and the lock cylinder has an eccentric contact block contacting the contact portion, the eccentric contact block being for driving the slider to slide.

In an embodiment, the sliding direction of the sliding block is perpendicular to the central axis of the lock cylinder.

In one embodiment, one end of the lock cylinder is exposed to the housing.

In one embodiment, a key hole is formed in the end of the lock cylinder exposed out of the shell.

In an embodiment, a reset piece is further arranged in the shell, the reset piece contacts the sliding block and the shell, and the reset piece is used for enabling the contact portion to keep contact with the eccentric contact block.

In one embodiment, each of the endless chain links may act as the locking chain link.

In an embodiment, the shell comprises a blocking cover and a main body with an inner cavity, the main body is provided with an opening communicated with the inner cavity, the blocking cover is detachably arranged at the opening, and the socket is communicated with the inner cavity.

In one embodiment, the fixing base and/or the lock base are/is provided with an adhesive.

In an embodiment, the fixing seat comprises a seat body and a rotating body rotatably arranged on the seat body, and one end of the chain is connected with the rotating body.

In one embodiment, the rotator has two arm portions connected by a shaft portion having an axis perpendicular to a rotation center axis of the rotator, the shaft portion passing through the endless chain strand at one end portion of the chain.

The utility model has the beneficial effects that: this safety protection lock adopts the chain to connect lock seat and fixing base, has effectively improved safety protection lock's structural stability, compares in prior art, does not have tapered end and connecting rope to break away from the risk. Moreover, the lock seat can be matched with different locking chain links, so that the path length between the lock seat and the fixed seat is adjustable, the requirement of the safety protection lock on the installation environment is effectively reduced, and the safety protection lock is more convenient for users to use.

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 diagram of a safety lock according to a first embodiment of the present utility model;

Fig. 2 is a schematic structural view (locked state) of an internal structure of a lock base according to a first embodiment of the present utility model;

Fig. 3 is a schematic structural diagram of an internal structure of a lock base according to a first embodiment of the present utility model (an unlocked state).

Reference numerals illustrate:

1. a fixing seat; 11. a base; 12. a rotating body; 13. an arm section; 14. a shaft portion;

2. a lock base; 21. a housing; 211. a socket; 212. an opening;

31. an endless chain section; 32. locking the chain section;

4. A sliding block; 41. locking a column; 42. a stop step;

5. A lock core; 51. an eccentric contact block; 52. a key hole;

6. And a reset piece.

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 merely for explaining a relative positional relationship, a movement condition, and the like between the components in a specific posture as 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 application, 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 application 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 safety protection lock comprises a fixed seat 1, a lock seat 2 and a chain, wherein the chain comprises a plurality of annular chain sections 31 which are sequentially connected, and at least two annular chain sections 31 can be used as locking chain sections 32; one end of the chain is connected with the fixed seat 1; the lock base 2 comprises a shell 21, wherein a sliding block 4 and a lock cylinder 5 are arranged in the shell 21, the sliding block 4 can slide relative to the shell 21, the shell 21 is provided with a socket 211 for inserting the locking chain section 32, the sliding block 4 is provided with a lock post 41 and a contact part, the lock post 41 is used for being matched with the locking chain section 32 extending into the socket 211 to lock the chain, in particular, the lock post 41 can be inserted into a hollow area of the locking chain section 32 extending into the socket 211 so as to be prevented from being inserted into the locking chain section 32 of the socket 211; the lock cylinder 5 is rotatable relative to the housing 21, the lock cylinder 5 has an eccentric contact block 51 contacting the contact portion, the eccentric contact block 51 is used to drive the sliding block 4 to slide, in this embodiment, the eccentric contact block 51 is located at one end of the lock cylinder 5, and the eccentric contact block 51 may be a semi-cylindrical structure, a 1/4 cylindrical structure, or other forms of structures.

Optionally, the contact portion has a stop step 42, when the lock cylinder 5 rotates to a preset angle, the eccentric contact block 51 contacts the stop step 42, and the stop step 42 prevents the lock cylinder 5 from continuing to rotate, thereby preventing the lock cylinder 5 from rotating excessively, and facilitating improvement of use experience of a user.

Specifically, the sliding direction of the sliding block 4 is perpendicular to the central axis of the lock cylinder 5, and the eccentric contact block 51 is located outside the contact portion.

One end of the lock cylinder 5 is exposed to the housing 21, and a user can operate the lock cylinder 5 to rotate outside the housing 21. In this embodiment, a key hole 52 is provided at an end of the lock cylinder 5 exposed from the housing 21, and a user can rotate a key inserted into the key hole 52 to rotate the lock cylinder 5.

Preferably, a reset piece 6 is further disposed in the housing 21, the reset piece 6 contacts the sliding block 4 and the housing 21, the reset piece 6 is used for keeping the contact portion in contact with the eccentric contact block 51, and the reset piece 6 may be a shrapnel, a spring, a rubber block, or the like. In some practical products, the restoring member 6 may not be disposed in the housing 21, and the contact portion may be kept in contact with the eccentric contact block 51 by gravity of the sliding block 4 itself.

Preferably, each annular chain segment 31 can serve as the locking chain segment 32, i.e., each annular chain segment 31 can be individually engaged with the locking pin 41. The entire endless chain link 31 may be annular, racetrack-shaped, rectangular frame-shaped, or otherwise shaped.

The shell 21 comprises a blocking cover and a main body with an inner cavity, the sliding block 4, the lock cylinder 5 and the reset piece 6 are all positioned in the inner cavity, the main body is provided with an opening 212 communicated with the inner cavity, the blocking cover is used for closing the opening 212, the blocking cover is detachably arranged at the opening 212, and the socket 211 is communicated with the inner cavity.

Optionally, the fixing base 1 and/or the lock base 2 are provided with an adhesive, and the fixing base 1 and/or the lock base 2 are fixed on an external member through the adhesive, and the adhesive includes, but is not limited to, a double-sided adhesive layer. In other embodiments, the fixing base 1 and/or the lock base 2 may be fastened to the outer member by a screw, a buckle, or the like.

The fixed seat 1 comprises a seat body 11 and a rotating body 12 rotatably arranged on the seat body 11, and one end of the chain is connected with the rotating body 12. In order to make the connection of the chain to the fixing base 1 more flexible for further convenience of use, the rotator 12 may have two arm portions 13, where the two arm portions 13 are connected by a shaft portion 14, the axis of the shaft portion 14 is perpendicular to the rotation center axis of the rotator 12, and the shaft portion 14 passes through the annular chain segment 31 at one end of the chain.

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. Safety protection lock, its characterized in that: the chain comprises a fixed seat, a lock seat and a chain, wherein the chain comprises a plurality of annular chain sections which are sequentially connected, at least two annular chain sections can be used as locking chain sections, and one end of the chain is connected with the fixed seat; the lock seat comprises a shell, wherein a sliding block and a lock cylinder are arranged in the shell, the sliding block can slide relative to the shell, the shell is provided with a socket for the locking chain section to be inserted, the sliding block is provided with a lock column and a contact part, and the lock column is used for being matched with the locking chain section extending into the socket to lock the chain; the lock cylinder is rotatable relative to the housing, and the lock cylinder has an eccentric contact block contacting the contact portion, the eccentric contact block being for driving the slider to slide.

2. The safety lock of claim 1, wherein: the sliding direction of the sliding block is perpendicular to the central axis of the lock cylinder.

3. The safety lock of claim 1, wherein: one end of the lock core is exposed out of the shell.

4. A safety lock according to claim 3, wherein: the lock core is exposed out of the end part of the shell and is provided with a key hole.

5. The safety lock of claim 1, wherein: and a reset piece is further arranged in the shell, the reset piece contacts the sliding block and the shell, and the reset piece is used for enabling the contact part to keep contact with the eccentric contact block.

6. The safety lock of claim 1, wherein: each of the endless chain sections may serve as the locking chain section.

7. The safety lock of claim 1, wherein: the shell comprises a baffle cover and a main body with an inner cavity, wherein the main body is provided with an opening communicated with the inner cavity, the baffle cover is detachably arranged at the opening, and the socket is communicated with the inner cavity.

8. The safety lock of claim 1, wherein: the fixing seat and/or the lock seat is/are provided with an adhesive piece.

9. The safety lock of claim 1, wherein: the fixed seat comprises a seat body and a rotating body which is rotatably arranged on the seat body, and one end of the chain is connected with the rotating body.

10. The safety lock of claim 9, wherein: the rotating body is provided with two arm parts, the two arm parts are connected through a shaft part, the axis of the shaft part is perpendicular to the rotation center axis of the rotating body, and the shaft part penetrates through the annular chain section positioned at one end part of the chain.