CN214062643U

CN214062643U - Chain lock head

Info

Publication number: CN214062643U
Application number: CN202022960327.7U
Authority: CN
Inventors: 王旭东
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-27
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a chain lock head, which comprises a lock body (1) and a lock catch (2) which are matched with each other, wherein the lock body (1) is provided with a lock core component; the end part of the lock catch (2) is provided with a circular arc-shaped ring groove (3); a locking ball (4) capable of moving up and down is arranged in the lock body (1), and the locking ball (4) can be matched with the annular groove (3) to limit the position of the lock catch (2) when moving up; one side of the locking ball (4) is provided with a locking piece for limiting the locking ball (4) to move up and down, and the locking piece is installed on the lock core component. The utility model discloses not only can facilitate the use, still have locking intensity height, simple structure, equipment convenience, the theftproof effectual, the structure front height and the advantage of acquisition cost low.

Description

Chain lock head

Technical Field

The utility model relates to a tool to lock, especially a chain lock tapered end.

Background

The chain lock is a lock assembled by a chain and a lock head and is mainly used for locking an article on a fixed object; the length of the chain can be adjusted, and the shape of the chain can be changed, so that the chain is widely applied in life; however, two symmetrical clamping pieces are utilized in the lock body of the existing chain lock to realize the limiting and clamping of the lock tongue from two sides, thereby achieving the locking function; however, when the lock body and the bolt are locked together, the locking structure needs a user to fix the lock body and then forcibly push the bolt into the lock body, so that the purpose of locking is achieved, and the use is inconvenient. Therefore, the prior chain lock has the problem of inconvenient use when in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chain lock tapered end. The utility model discloses not only have convenient to use's advantage.

The technical scheme of the utility model: a chain lock head comprises a lock body and a lock catch which are matched with each other, wherein a lock core component is arranged on the lock body; the end part of the lock catch is provided with a circular arc-shaped annular groove; a locking ball capable of moving up and down is arranged in the lock body, and the locking ball can be matched with the annular groove to limit the position of the lock catch when moving up; one side of the locking ball is provided with a locking piece for limiting the locking ball to move up and down, and the locking piece is installed on the lock core component.

In the chain lock head, the top end of the locking ball is provided with the telescopic spring, and one end of the telescopic spring is fixedly connected with the inner wall of the lock body.

In the chain lock head, the locking element comprises a cam mounted on the lock cylinder assembly, and a limiting element is arranged on one side of the cam.

In the chain lock head, the limiting parts are a plurality of spheres which are uniformly distributed.

In the chain lock head, the limiting part is a telescopic rod, and the end part of the telescopic rod is arc-shaped.

In the chain lock head, the lock cylinder assembly comprises a lock cylinder for mounting a cam, and a lock cylinder sleeve is sleeved on the lock cylinder; and a fixing part is arranged between the lock cylinder sleeve and the inner wall of the lock body.

In the chain lock head, the fixing piece comprises two symmetrically arranged pins, and a connecting spring is arranged between the two pins; the lock body is provided with an installation channel corresponding to the position of the pin and the connecting spring; and a fixing groove is arranged on the lock cylinder sleeve at the position corresponding to the pin.

In the chain lock head, an installation groove is formed in the end part, facing the lock catch, of the lock body; the lock catch is provided with an installation block which is matched with the installation groove at the end part close to the lock body, and the middle part of the installation block is provided with a lock tongue which can move in the lock body; the ring groove is arranged on the lock tongue.

In the chain lock head, the lock body is provided with the installation channel corresponding to the telescopic spring, and the end part of the installation channel is provided with the spring sealing piece.

In the chain lock head, the end part of the lock body far away from the lock catch and the end part of the lock catch far away from the lock body are both provided with the mounting parts for fixedly mounting the chain.

Compared with the prior art, the utility model improves the existing tapered end structure for the chain lock, the locking ball which can move up and down is arranged in the lock body, the annular groove is arranged on the lock catch, when the lock catch is pushed into the lock body, the distance between the locking ball and the annular groove can be reduced along with the increase of the distance of the lock catch entering the lock body, and the end part of the lock catch can push the locking ball to move upwards; when the bottom surface of the locking ball is contacted with one end part of the groove opening of the annular groove, the upward thrust of the lock catch on the locking ball is reduced, the locking ball moves downwards under the action of self gravity, and when the locking ball moves downwards, because the arc shape of the annular groove and the contact area between the locking ball and the annular groove are smaller, the locking ball applies a shearing force in the internal direction of the net to the annular groove, and under the action of the shearing force, the locking ball automatically pushes the lock catch to move towards the inside of the lock body, so that the purpose of automatic locking is achieved, a locking mode that a user forcibly pushes the lock catch inwards is not needed, and the use is convenient; meanwhile, the whole lock head is of an integral structure, conventional lock bodies, lock catches and lock cylinder components are removed, and in addition, only the locking ball and the locking piece are arranged, so that the original complex locking structure is changed, and the structure of the whole lock head is simple. In addition, the utility model discloses still through installing expanding spring at the tip of locking ball, utilize expanding spring to guarantee that locking ball can be stable reciprocate, overall structure is more stable, and utilize expanding spring's restoring force to make things convenient for the separation of hasp and lock body in the unblock time, thereby further made things convenient for the use; the locking piece is provided with the cam on the lock cylinder assembly and the limiting piece arranged on one side of the cam, so that the cam is driven to rotate by the lock cylinder assembly during locking, and the convex surface of the cam faces the locking ball, so that the limiting piece can be tightly attached to the locking ball, the locking strength is ensured, and the anti-theft effect is achieved; when the lock is unlocked, the cam is driven to rotate through the lock core assembly, and the plane of the cam faces the locking ball, so that a certain gap is formed between the limiting piece and the locking ball, the locking ball can move, and the unlocking is facilitated; the limiting piece is arranged to be composed of a plurality of spheres, and rolling friction of the spheres is utilized, so that the use is convenient; meanwhile, the sphere is contacted with the cambered surface between the spheres, so that the locking strength is further improved; the limiting piece is arranged to be the telescopic rod, so that the assembly is facilitated; by arranging the lock cylinder sleeve, the assembly between the lock cylinder and the lock body can be facilitated, and the rotation work of the lock cylinder is ensured; by arranging the two pins and arranging the connecting spring between the two pins, the structure of assembling a plurality of pins in the prior art is changed by utilizing the connecting spring, so that the assembly is convenient, and the quality of the whole lock head is reduced; the lock body is provided with the mounting groove, the lock catch is provided with the mounting block, and the mounting block and the mounting groove are mutually tightly matched, so that the lock body and the lock catch are tightly connected under the condition of locking, a space for prying is not provided, and a certain anti-theft function is achieved; by arranging the spring sealing sheet, the end part of the extension spring can be limited by the spring sealing sheet, so that the phenomenon that the spring falls out is avoided, and the structural strength is ensured; through all being equipped with the installed part on lock body and hasp, utilize installed part installation chain, made things convenient for the change of chain to make the tapered end can carry out reuse, reduced the acquisition cost. Therefore, the utility model discloses not only can facilitate the use, still have locking intensity height, simple structure, equipment convenience, effectual, the structure of preventing burglary height and the advantage that acquisition cost is low before.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the internal structure in the locked state;

FIG. 3 is a schematic view of the internal structure in an unlocked state;

FIG. 4 is a schematic diagram of the structure of the optimization scheme;

fig. 5 is a schematic structural view of the plug assembly.

The labels in the figures are: 1-lock body, 2-lock catch, 3-ring groove, 4-locking ball, 5-expansion spring, 6-cam, 7-ball, 8-lock core, 9-lock core sleeve, 10-pin, 11-connecting spring, 12-installation channel, 13-fixing groove, 14-installation groove and 15-spring sealing sheet.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Example 1. A chain lock head is shown in figures 1, 2, 3 and 5, and comprises a lock body 1 and a lock catch 2 which are matched with each other, wherein a lock core component is arranged on the lock body 1; the end part of the lock catch 2 is provided with a circular arc-shaped annular groove 3; a locking ball 4 capable of moving up and down is arranged in the lock body 1, and the locking ball 4 can be matched with the annular groove 3 when moving up to limit the position of the lock catch 2; one side of the locking ball 4 is provided with a locking member for restricting the locking ball 4 from moving up and down, and the locking member is mounted on the plug assembly.

The top end part of the locking ball 4 is provided with a telescopic spring 5, and one end part of the telescopic spring 5 is fixedly connected with the inner wall of the lock body 1; the locking piece comprises a cam 6 arranged on the lock core assembly, and a limiting piece is arranged on one side of the cam 6; the limiting pieces are a plurality of spheres 7 which are uniformly distributed; the lock core assembly comprises a lock core 8 for mounting the cam 6, and a lock core sleeve 9 is sleeved on the lock core 8; a fixing piece is arranged between the lock cylinder sleeve 9 and the inner wall of the lock body 1; the fixing piece comprises two symmetrically arranged pins 10, and a connecting spring 11 is arranged between the two pins 10; a mounting channel 12 is arranged on the lock body 1 at the position corresponding to the pin 10 and the connecting spring 11; a fixing groove 13 is arranged on the lock cylinder sleeve 9 at the position corresponding to the pin 10; the end part of the lock body 1 facing the lock catch 2 is provided with a mounting groove 14; the end part of the lock catch 2 close to the lock body 1 is provided with an installation block which is matched with the installation groove 14, and the middle part of the installation block is provided with a lock tongue which can move in the lock body 1; the ring groove 3 is arranged on the lock tongue; a mounting channel is arranged at the position, corresponding to the telescopic spring 5, on the lock body 1, and a spring sealing piece 15 is arranged at the end part of the mounting channel; the installation parts for fixedly installing the chain are arranged at the end part of the lock body 1 far away from the lock catch 2 and the end part of the lock catch 2 far away from the lock body 1.

Example 2. A chain lock head is shown in figures 1, 4 and 5, and comprises a lock body 1 and a lock catch 2 which are matched with each other, wherein a lock core component is arranged on the lock body 1; the end part of the lock catch 2 is provided with a circular arc-shaped annular groove 3; a locking ball 4 capable of moving up and down is arranged in the lock body 1, and the locking ball 4 can be matched with the annular groove 3 when moving down to limit the position of the lock catch 2; one side of the locking ball 4 is provided with a locking member for restricting the locking ball 4 from moving up and down, and the locking member is mounted on the plug assembly.

The top end part of the locking ball 4 is provided with a telescopic spring 5, and one end part of the telescopic spring 5 is fixedly connected with the inner wall of the lock body 1; the locking piece comprises a cam 6 arranged on the lock core assembly, and a limiting piece is arranged on one side of the cam 6; the limiting piece is a telescopic rod, and the end part of the telescopic rod is in an arc shape; the lock core assembly comprises a lock core 8 for mounting the cam 6, and a lock core sleeve 9 is sleeved on the lock core 8; a fixing piece is arranged between the lock cylinder sleeve 9 and the inner wall of the lock body 1; the fixing piece comprises two symmetrically arranged pins 10, and a connecting spring 11 is arranged between the two pins 10; a mounting channel 12 is arranged on the lock body 1 at the position corresponding to the pin 10 and the connecting spring 11; a fixing groove 13 is arranged on the lock cylinder sleeve 9 at the position corresponding to the pin 10; the end part of the lock body 1 facing the lock catch 2 is provided with a mounting groove 14; the end part of the lock catch 2 close to the lock body 1 is provided with an installation block which is matched with the installation groove 14, and the middle part of the installation block is provided with a lock tongue which can move in the lock body 1; the ring groove 3 is arranged on the lock tongue; a mounting channel is arranged at the position, corresponding to the telescopic spring 5, on the lock body 1, and a spring sealing piece 15 is arranged at the end part of the mounting channel; the installation parts for fixedly installing the chain are arranged at the end part of the lock body 1 far away from the lock catch 2 and the end part of the lock catch 2 far away from the lock body 1.

Please confirm whether the following contents are correct

The working principle is as follows: when locking is carried out, the two end parts of the chain are respectively installed on the lock catch 2 and the lock body 1 through the installation parts, then the lock cylinder 8 is rotated through a key to rotate, the cam 6 is driven to rotate after the lock cylinder 8 rotates, so that the plane of the cam 6 faces the locking ball 4, the ball body 7 arranged between the locking ball 4 and the cam 6 has a certain moving distance, and the locking ball 4 can move up and down; then, the end part of the lock catch 2 with the annular groove 3 extends into the lock body 1, and along with the continued extension of the lock catch 2 into the lock body, in the moving process of the lock catch 2, firstly, the end part of the lock catch 2 pushes the locking ball 4 to move upwards, and in the upward moving process of the locking ball 4, the telescopic spring 5 is compressed; the distance between the locking ball 4 and the annular groove 3 is gradually reduced along with the continued extension of the lock catch 2, when the end part of the annular groove 3 moves to be in contact with the locking ball 4, the upward thrust of the lock catch 2 on the locking ball 4 is reduced, so that the locking ball 4 can move downwards under the action of the self gravity and the restoring force of the telescopic spring 5, the thrust in the direction of the lock core 8 is applied to the inner side wall of the annular groove 3 in the moving process of the locking ball 4, the locking ball 4 can automatically push the lock catch 2 to move a certain distance into the lock body 1 under the action of the thrust, and the locking ball 4 enters the annular groove 3, so that the self-priming locking effect is achieved, the lock catch 2 does not need to be pushed forcibly, and the use is facilitated; when the lock catch 2 and the lock body 1 are locked together, the lock core 8 is rotated again, so that the lock core 8 drives the cam 6 to rotate, the arc-shaped convex surface on the cam 6 faces the locking ball 4, at the moment, the arc-shaped convex on the cam 6 can push the ball body 7 to move towards the locking ball 4, the up-and-down movement of the locking ball 4 can be limited through the plurality of ball bodies 7, and the overall locking strength is improved; simultaneously when hasp 2 and lock body 1 locking back together, the installation piece just can be filled full of mounting groove 14 to make the gap of junction between hasp 2 and the lock body 1 reduce, thereby reduced the space that outside sled, and then improved the theftproof effect of whole tapered end.

Claims

1. A chain lock tapered end which characterized in that: the lock comprises a lock body (1) and a lock catch (2) which are matched with each other, wherein a lock core component is arranged on the lock body (1); the end part of the lock catch (2) is provided with a circular arc-shaped ring groove (3); a locking ball (4) capable of moving up and down is arranged in the lock body (1), and the locking ball (4) can be matched with the annular groove (3) to limit the position of the lock catch (2) when moving up; one side of the locking ball (4) is provided with a locking piece for limiting the locking ball (4) to move up and down, and the locking piece is installed on the lock core component.

2. A chain lock cylinder according to claim 1, characterized in that: the top end of the locking ball (4) is provided with a telescopic spring (5), and one end of the telescopic spring (5) is fixedly connected with the inner wall of the lock body (1).

3. A chain lock cylinder according to claim 1, characterized in that: the locking piece comprises a cam (6) installed on the lock cylinder assembly, and a limiting piece is arranged on one side of the cam (6).

4. A chain lock cylinder according to claim 3, characterized in that: the limiting pieces are a plurality of spheres (7) which are uniformly distributed.

5. A chain lock cylinder according to claim 3, characterized in that: the locating part is a telescopic rod, and the end part of the telescopic rod is arc-shaped.

6. A chain lock cylinder according to claim 3, characterized in that: the lock cylinder assembly comprises a lock cylinder (8) used for installing the cam (6), and a lock cylinder sleeve (9) is sleeved on the lock cylinder (8); a fixing piece is arranged between the lock cylinder sleeve (9) and the inner wall of the lock body (1).

7. A chain lock head according to claim 6, characterized in that: the fixing piece comprises two pins (10) which are symmetrically arranged, and a connecting spring (11) is arranged between the two pins (10); a mounting channel (12) is arranged on the lock body (1) at the position corresponding to the pin (10) and the connecting spring (11); and a fixing groove (13) is arranged on the lock cylinder sleeve (9) at the position corresponding to the pin (10).

8. A chain lock cylinder according to claim 1, characterized in that: an installation groove (14) is formed in the end part, facing the lock catch (2), of the lock body (1); an installation block matched with the installation groove (14) is arranged at the end part of the lock catch (2) close to the lock body (1), and a bolt capable of moving in the lock body (1) is installed in the middle of the installation block; the ring groove (3) is arranged on the lock tongue.

9. A chain lock cylinder according to claim 2, characterized in that: the lock body (1) is provided with an installation channel corresponding to the position of the telescopic spring (5), and the end part of the installation channel is provided with a spring sealing piece (15).

10. A chain lock cylinder according to any one of claims 1 to 9, wherein: the lock is characterized in that mounting pieces used for fixedly mounting chains are mounted at the end part of the lock body (1) far away from the lock catch (2) and the end part of the lock body (2) far away from the lock body (1).