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a chain lock

A chain and lock cylinder technology, applied in the field of chain locks, can solve problems such as unfixable, high cost, and difficult to disassemble, and achieve the effect of small overall structure, convenient installation of parts, and convenient installation

Inactive Publication Date: 2017-02-01
NINGBO IDEAL HARDWARE IND & TRADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the chain lock disclosed in Patent Document 1, the lock head is inserted into the lock body and forms a circular closed circuit through the chain, which cannot be fixed on doors and windows for use; the door lock device disclosed in Patent Document 2 is not easy to disassemble from the window and door. When it needs to be disassembled, the doors and windows need to be replaced, which is costly

Method used

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Examples

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Embodiment Construction

[0031] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0032] Such as Figure 1 to Figure 4 As shown, the chain lock comprises a fixing part 2 and a locking part 1, and both sides of the fixing part 2 and the locking part 1 protrude to form a boss part, and a mounting hole 13 is provided on the boss part, and a mounting hole 13 is formed on the mounting hole 13. Can install screw 12, be fixed on the door and window by screw 12, as preferably, block cap 11 is installed in mounting hole 13, the outer surface of block cap 11 extends along the outer surface of fixture 2 or locking member 1, hides the end of screw 12 and make the appearance smooth, the fixing part 2 is fixedly connected with a cable 3, and the end of the cable 3 is fixedly connected with a lock 4, and the locking part 1 ...

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PUM

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Abstract

The invention provides a chain lock, and belongs to the technical field of locks. The problems that an existing lock used on a door and window is hard to detach and the door and window is prone to damage when the existing lock is detached are solved. The chain lock comprises a fixing piece and a locking piece. The fixing piece and the locking piece are each provided with installation holes. A cable is fixedly connected to the fixing piece. A lock catch is fixedly connected to one end of the cable. The lock catch can be inserted into the locking piece and locked by the locking piece. The chain lock has the advantages of being simple in structure, convenient to use, capable of being conveniently detached from and installed on the door and window and free of damage to the body of the door and window.

Description

technical field [0001] The invention belongs to the technical field of locks and relates to a chain lock. Background technique [0002] Anti-theft windows cannot be installed on existing high-rise buildings, and there are unsafe factors in fully open windows. Therefore, locks need to be installed when installing windows. Some of the existing window locks are integrated with the windows. The windows can only be fully opened or closed. Closing is not conducive to ventilation, and the expansion parts installed on the window are not easy to replace after damage. [0003] Chinese patent CN200943367Y discloses a chain lock, which includes a lock body, a lock head and a chain. One side of the lock body is provided with a lock core, the other side is connected to one end of the chain, and the other end of the chain is connected to the lock head. There is a lock head hole, and the lock head can be inserted into the lock head hole. One end of the lock core is connected with a steel b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E05B67/00
Inventor 高欣璐
Owner NINGBO IDEAL HARDWARE IND & TRADE