CN218759325U

CN218759325U - Chain lock

Info

Publication number: CN218759325U
Application number: CN202223307194.9U
Authority: CN
Inventors: 刘玉林; 刘腾; 陈意舸
Original assignee: Wenzhou Jinqiu Lock Co ltd
Current assignee: Wenzhou Jinqiu Lock Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-03-28
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a chain lock, which comprises a chain body, wherein the chain body consists of a plurality of chain rings, a transparent protective sleeve is sleeved outside the chain body, one end of the chain body is provided with a first connecting piece, and the other end of the chain body is provided with a second connecting piece; the lock seat is fixedly connected to one end of the first connecting piece, the installation cavity is formed in one side of the lock seat, the sliding groove is formed in one side of the inside of the lock seat, and the longitudinal section of the sliding groove is arc-shaped. The utility model discloses a sealed section of thick bamboo that sets up wraps up the part that is located the lock seat outside after inserting the installation cavity inside to the plug pin, and the card strip and the draw-in groove cooperation of setting are conveniently installed the sealing ring in the outer end of a sealed section of thick bamboo, make the sealing ring be located between a sealed section of thick bamboo and the second connecting piece, strengthen lock seat and bolt connection department's leakproofness, reduce the bolt and rust or receive impurity contamination's probability, increase the life of this chain lock to a certain extent.

Description

Chain lock

Technical Field

The utility model relates to a chain lock technical field, concretely relates to chain lock.

Background

The chain lock is a lockset assembled by a chain and a lock head, and is mainly used for locking an article on a fixed object, because the length of the chain can be adjusted, and the shape of the chain can be changed, the chain lock can be widely applied in life.

However, most of the front ends of the chain locks lock bodies are locked by the lock seats and the bolts, so that the chains form a ring shape, the sealing performance of the joints of the lock seats and the bolts is poor, and the chain locks are easily rusted or polluted by impurities in the using process, so that the service life of the chain locks is influenced.

Therefore, it is necessary to provide a chain lock to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a chain lock, 1, the part that is located the lock seat outside after inserting the installation cavity inside to the bolt through the sealed section of thick bamboo that sets up wraps up, the card strip and the draw-in groove cooperation of setting, the outer end at sealed section of thick bamboo is installed to the sealing ring conveniently, make the sealing ring be located between sealed section of thick bamboo and the second connecting piece, strengthen lock seat and bolt connection department's leakproofness, reduce the probability that the bolt rusted or received impurity contamination, increase the life of this chain lock to a certain extent, with the above-mentioned weak point in the solution technology.

In order to achieve the above object, the present invention provides the following technical solutions: a chain lock comprises

The protective device comprises a chain body and a protective cover, wherein the chain body consists of a plurality of chain rings, the outer side of the chain body is sleeved with a transparent protective cover, one end of the chain body is provided with a first connecting piece, and the other end of the chain body is provided with a second connecting piece;

the lock seat is fixedly connected to one end of the first connecting piece, an installation cavity is formed in one side of the lock seat, a sliding groove is formed in one side of the interior of the lock seat, the longitudinal section of the sliding groove is in a circular arc shape, a sealing barrel is fixedly connected to one side, close to the installation cavity, of the outer wall of the lock seat, and a positioning rod is fixedly connected to the interior of the installation cavity;

the locking component is arranged at the front end inside the chain body;

and the bolt is fixedly connected to one end of the second connecting piece and is inserted into the mounting cavity.

Preferably, the latch assembly includes:

the lock cylinder is arranged at the front end inside the lock seat and is rotationally connected inside the lock seat;

the lock hole is arranged on the front side of the lock cylinder;

the two connecting rods are respectively and fixedly connected to the edge of the rear end of the lock cylinder;

and the inserting plate is fixedly connected to the rear end of the connecting rod and is arranged in a circular arc shape.

Preferably, the outside of a sealing barrel one end is provided with a clamping groove, one end of the sealing barrel is sleeved with a sealing ring, and the inner side of the sealing ring is provided with a clamping strip.

Preferably, the sealing ring is connected with the sealing barrel through a clamping strip and a clamping groove in a clamping mode, and the outer side of the clamping strip is attached to the inner side of the clamping groove.

Preferably, the top of the bolt is provided with a slot, the inside of the slot is attached to the front end of the inserting plate, and the bottom of one end of the bolt is provided with a positioning hole.

Preferably, the bolt is connected with the installation cavity through a positioning hole and a positioning rod in a clamping mode, and one end, close to the inside of the installation cavity, of the positioning hole is in a horn shape.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the part, which is positioned outside the lock base after the plug pin is inserted into the mounting cavity, is wrapped by the arranged sealing cylinder, and the arranged clamping strip is matched with the clamping groove, so that the sealing ring is conveniently arranged at the outer end of the sealing cylinder and is positioned between the sealing cylinder and the second connecting piece, the sealing property of the joint of the lock base and the plug pin is enhanced, the probability of rusting or impurity pollution of the plug pin is reduced, and the service life of the chain lock is prolonged to a certain extent;

2. through making locating hole and locating lever align, inside inserting the locating hole with the bolt, the key inserts the keyhole, drives lock core, connecting rod, picture peg rotation, makes the front end of picture peg insert inside the slot to fix the bolt inside the installation cavity, make the closure effect of this chain lock better.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

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

FIG. 2 is a front sectional view of the joint between the lock seat and the plug pin of the present invention;

FIG. 3 is a left side sectional view of the joint of the lock base and the plug pin of the present invention;

FIG. 4 is a schematic view of the latch assembly and the bolt of the present invention;

fig. 5 is a schematic view of the unfolding structure of the lock base and the sealing ring of the present invention;

fig. 6 is a top sectional view of the joint between the lock base and the plug pin of the present invention.

Description of reference numerals:

1. a chain body; 2. a transparent protective sleeve; 3. a first connecting member; 4. a second connecting member; 5. a lock seat; 6. a sliding groove; 7. a latch assembly; 8. a sealing cylinder; 9. a card slot; 10. a seal ring; 11. clamping the strip; 12. positioning a rod; 13. a bolt; 14. a slot; 15. positioning holes; 16. a mounting cavity;

701. a lock cylinder; 702. a keyhole; 703. a connecting rod; 704. and (6) inserting the board.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a chain lock as shown in figures 1-6, which comprises

The chain comprises a chain body 1, wherein the chain body 1 consists of a plurality of chain rings, a transparent protective sleeve 2 is sleeved on the outer side of the chain body 1, a first connecting piece 3 is arranged at one end of the chain body 1, and a second connecting piece 4 is arranged at the other end of the chain body 1;

the lock seat 5 is fixedly connected to one end of the first connecting piece 3, one side of the lock seat 5 is provided with an installation cavity 16, one side inside the lock seat 5 is provided with a sliding groove 6, the longitudinal section of the sliding groove 6 is arc-shaped, one side, close to the installation cavity 16, of the outer wall of the lock seat 5 is fixedly connected with a sealing barrel 8, and a positioning rod 12 is fixedly connected inside the installation cavity 16;

the locking assembly 7 is arranged at the front end inside the chain body 1;

and the bolt 13 is fixedly connected to one end of the second connecting piece 4, and the bolt 13 is inserted into the mounting cavity 16.

Further, in the above technical solution, the locking assembly 7 includes:

a lock core 701 arranged at the front end inside the lock base 5, wherein the lock core 701 is rotatably connected inside the lock base 5;

a keyhole 702 opened on the front side of the lock cylinder 701;

two connecting rods 703 which are respectively and fixedly connected to the edge of the rear end of the lock core 701;

the inserting plate 704 is fixedly connected to the rear end of the connecting rod 703, and the inserting plate 704 is arranged in a circular arc shape, so that the locking effect of the chain lock is better through the arranged locking assembly 7.

Further, in above-mentioned technical scheme, draw-in groove 9 has been seted up in the outside of 8 one ends of a sealed section of thick bamboo, and sealing ring 10 has been cup jointed to 8 one ends of a sealed section of thick bamboo, and the inboard of sealing ring 10 is provided with card strip 11, is connected through card strip 11 and draw-in groove 9 block between sealing ring 10 and the sealed section of thick bamboo 8, and the inboard laminating of the outside of card strip 11 and draw-in groove 9 through card strip 11 and the draw-in groove 9 that sets up, conveniently carries out the dismouting to the sealing ring 10 that 8 outer ends of a sealed section of thick bamboo cup jointed.

Further, in the above technical scheme, slot 14 has been seted up at the top of bolt 13, slot 14's inside and the front end laminating of picture peg 704, locating hole 15 has been seted up to the bottom of bolt 13 one end, be connected through locating hole 15 and locating lever 12 block between bolt 13 and the installation cavity 16, locating hole 15 sets up to tubaeform near the inside one end of installation cavity 16, can play the effect of location to bolt 13 through locating hole 15 and locating lever 12, make slot 14 can aim at the orbit of picture peg 704, the one end that is close to the installation cavity 16 inside through locating hole 15 sets up to tubaeform, tubaeform's opening is great, conveniently make locating lever 12 insert locating hole 15.

This practical theory of operation:

referring to fig. 1-6 of the specification, firstly, a key is inserted into the insert plate 704, the key is rotated counterclockwise to drive the lock core 701, the connecting rod 703 and the insert plate 704 to rotate counterclockwise, so that the insert plate 704 is rotated out from the inside of the slot 14, and then the second connecting piece 4 is pulled outwards to take out the bolt 13 from the installation cavity 16, so as to open the loop formed by the chain body 1;

referring to the attached drawings 1-6 of the specification, a chain body 1 is wound at a position to be locked, a positioning rod 12 is aligned with a positioning hole 15, a plug pin 13 is inserted into an installation cavity 16, a slot 14 is aligned with the running track of an insert plate 704 through the positioning rod 12 and the positioning hole 15, a key is rotated clockwise to drive a lock cylinder 701, a connecting rod 703 and the insert plate 704 to rotate clockwise, the front end of the insert plate 704 is inserted into the slot 14, the plug pin 13 is fixed inside the installation cavity 16, the chain body 1 is locked into a ring shape, the part, which is located outside a lock seat 5 after the plug pin 13 is inserted into the installation cavity 16, of the plug pin 13 is wrapped through a sealing cylinder 8, a sealing ring 10 is located between the sealing cylinder 8 and a second connecting piece 4, the sealing performance of the joint of the lock seat 5 and the plug pin 13 is enhanced, the probability of rusting or impurity pollution of the plug pin 13 is reduced, and the service life of the chain lock is prolonged to a certain extent.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. A chain lock, which is characterized in that: comprises that

The chain body (1) is composed of a plurality of chain rings, a transparent protective sleeve (2) is sleeved on the outer side of the chain body (1), a first connecting piece (3) is arranged at one end of the chain body (1), and a second connecting piece (4) is arranged at the other end of the chain body (1);

the lock comprises a lock seat (5) fixedly connected to one end of a first connecting piece (3), a mounting cavity (16) is formed in one side of the lock seat (5), a sliding groove (6) is formed in one side inside the lock seat (5), the longitudinal section of the sliding groove (6) is arc-shaped, a sealing barrel (8) is fixedly connected to one side, close to the mounting cavity (16), of the outer wall of the lock seat (5), and a positioning rod (12) is fixedly connected inside the mounting cavity (16);

the locking and buckling assembly (7), the locking and buckling assembly (7) is arranged at the front end inside the chain body (1);

the bolt (13) is fixedly connected to one end of the second connecting piece (4), and the bolt (13) is inserted into the mounting cavity (16).

2. A chain lock according to claim 1, characterized in that said locking assembly (7) comprises:

the lock cylinder (701) is arranged at the front end inside the lock base (5), and the lock cylinder (701) is rotatably connected inside the lock base (5);

a keyhole (702) opened on the front side of the lock cylinder (701);

the two connecting rods (703) are respectively and fixedly connected to the edge of the rear end of the lock cylinder (701);

the inserting plate (704) is fixedly connected to the rear end of the connecting rod (703), and the inserting plate (704) is arc-shaped.

3. The chain lock as claimed in claim 1, wherein a clamping groove (9) is formed in the outer side of one end of the sealing cylinder (8), a sealing ring (10) is sleeved at one end of the sealing cylinder (8), and a clamping strip (11) is arranged on the inner side of the sealing ring (10).

4. A chain lock according to claim 3, characterized in that the sealing ring (10) is connected with the sealing cylinder (8) by a clamping strip (11) and a clamping groove (9) in a clamping manner, and the outer side of the clamping strip (11) is attached to the inner side of the clamping groove (9).

5. A chain lock as claimed in claim 1, wherein the top of the bolt (13) is provided with a slot (14), the inside of the slot (14) is attached to the front end of the insert plate (704), and the bottom of one end of the bolt (13) is provided with a positioning hole (15).

6. A chain lock according to claim 5, characterized in that the bolt (13) is connected with the mounting cavity (16) in a clamping manner through a positioning hole (15) and a positioning rod (12), and one end of the positioning hole (15) close to the inside of the mounting cavity (16) is flared.