CN201321765Y - Chain lock - Google Patents

Abstract

The utility model discloses a chain lock which comprises a lock body, a lock core and a chain, wherein one end of the chain lock is fixedly connected with one side of the lock body; the other side of the lock body is provided with the lock core; the lower part of the lock core is a plunger latch; the plunger latch and the lock core are integrated into one; the lock body is provided with a plunger latch lock pin and a lock pin spring under the lock core; and a chain slot is arranged under the plunger latch lock pin. In the utility model, with the adoption of the chain lock with the structure, the problems that original chain lock can not be unlocked or locked smartly, and the lock pin at the lock side is easily dropped can be solved, thereby improving the safety of the chain lock.

Description

Chain lock

Technical field

The utility model embodiment relates to a kind of lockset, especially relates to a kind of chain lock.

Background technology

In modern society, people's trip be unable to do without the various vehicles.In China, be the main vehicles still at present with bicycle, electric motor car or motorcycle.But people are enjoying the while easily that the vehicles bring, and also having nothing for it but, it deposits safety and worry.Stolen in order to prevent vehicle, people need use lockset to guarantee its safety, and chain lock is exactly a kind of in numerous common locksets.

Yet the chain lock of lockset manufacturer production is unreasonable owing to what design on the structure at present, makes that chain lock is opened, locking is not nimble, and the lock bolt of locking side is easy to come off, and causes chain lock to be pried open.

The utility model content

The purpose of the utility model embodiment provides a kind of chain lock, can solve the problem that original chain lock is opened, locking is not nimble and the lock bolt locking side is easy to come off, and improves the safety of chain lock.

For achieving the above object, the utility model embodiment provides a kind of chain lock, comprise lock body, lock core and chain, one end of described chain is fixedly connected on a side of described lock body, the opposite side of described lock body is provided with lock core, and the bottom of described lock core is a lock bolt, and described lock bolt and described lock core are structure as a whole, described lock body is provided with lock bolt locking pin and locking pin spring below described lock core, the below of described lock bolt locking pin offers chain.

The utility model has the chain lock of said structure by employing, can solve the problem that original chain lock is opened, locking is not nimble and the lock bolt locking side is easy to come off, and improves the safety of chain lock.

Below by drawings and Examples, the technical scheme of the utility model embodiment is described in further detail.

Description of drawings

Structural representation when Fig. 1 opens for the utility model chain lock;

Structural representation when Fig. 2 is the utility model chain lock locking.

The specific embodiment

The chain lock of lockset manufacturer production is unreasonable owing to what design on the structure at present, makes that chain lock is opened, locking is not nimble, and the lock bolt of locking side is easy to come off, and causes chain lock to be pried open.The chain lock that the utility model has following structure by employing can solve the problem that original chain lock is opened, locking is not nimble and the lock bolt locking side is easy to come off, and improves the safety of chain lock.

Embodiment

Structural representation when Fig. 1 opens for the utility model chain lock, as shown in Figure 1, present embodiment comprises lock body 1, lock core 2 and chain 3, one end of described chain 3 is fixedly connected on a side of described lock body 1, the opposite side of described lock body 1 is provided with lock core 2, and the bottom of described lock core 2 is a lock bolt 4, and described lock bolt 4 and described lock core 2 are structure as a whole, described lock body 1 is provided with lock bolt locking pin 5 and locking pin spring 6 below described lock core 2, the below of described lock bolt locking pin offers chain 7.Lock core 2 is structure as a whole with lock bolt 4 in the present embodiment, and lock bolt is arranged on lock body inside, has avoided lock bolt by the problem of prizing He come off easily, has improved the safety of chain lock.

Present embodiment can be provided with lock core spring 8 at described lock core 2 and described lock bolt 4 junctions, makes chain lock can eject automatically when opening, and is more nimble when making chain lock locking and unlatching.

Present embodiment also can be provided with lock core dowel 9 in described lock core 2 sides, and described lock body corresponding position is provided with lock core dowel sliding tray 10, makes lock core 2 can not eject or drop out lock body when opening, and has improved the safety of chain lock.

The described lock core 2 of present embodiment is an Anti-drilling lockwork, can improve the security performance of chain lock.

Describe below in conjunction with the locking and the unlatching of accompanying drawing chain lock in the present embodiment.

Structural representation when Fig. 2 is the utility model chain lock locking, as shown in Figure 2, when chain is locked in locking in the present embodiment, at first the not fixed end of chain 3 is put into chain 7, with hand propelled lock core 2 lock core 2 is moved downward together with lock bolt, lock core spring 8 is compressed, lock core dowel 9 moves down simultaneously. to lock core dowel sliding tray 10 during the below, lock bolt latching slot 11 just in time moves to lock bolt locking pin 5 places, and lock bolt locking pin 5 moves forward in the lock bolt latching slot 11 under the effect of locking pin spring 6, make lock bolt 4 lockings good, lock bolt 4 moves downward and enters in the latch hole 12 simultaneously, makes the chain lock jail, and the locking process finishes.

Structural representation when Fig. 1 opens for the utility model chain lock, as shown in Figure 1, chain is locked in when opening in the present embodiment, lock core 2 is half-twist to the right, because lock core 2 and lock bolt 4 are structure as a whole, lock bolt latching slot 11 pushes back original position with lock bolt locking pin 5 simultaneously to right rotation, and lock bolt locking pin 5 is separated with lock bolt latching slot 11.Under the effect of lock core spring 8, lock core 2 moves up, and while lock core dowel 9 also moves up to lock core dowel sliding tray 10 the tops to be stopped.Lock bolt 4 ejects from latch hole 12 to chain more than 7, and chain 3 separates opening process voluntarily from chain 7 finishes.

The utility model has the chain lock of said structure by employing, can solve the problem that original chain lock is opened, locking is not nimble and the lock bolt locking side is easy to come off, and improves the safety of chain lock.

It should be noted that at last: above embodiment is only in order to explanation the technical solution of the utility model but not limit it, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement the technical solution of the utility model, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solutions of the utility model.

Claims (4)

1, a kind of chain lock, comprise lock body, lock core and chain, one end of described chain is fixedly connected on a side of described lock body, it is characterized in that, the opposite side of described lock body is provided with lock core, and the bottom of described lock core is a lock bolt, and described lock bolt and described lock core are structure as a whole, described lock body is provided with lock bolt locking pin and locking pin spring below described lock core, the below of described lock bolt locking pin offers chain.

2, chain lock according to claim 1 is characterized in that, described lock core and described lock bolt junction are provided with the lock core spring.

3, chain lock according to claim 2 is characterized in that, described lock core side is provided with lock core dowel, and described lock body corresponding position is provided with the lock core dowel sliding tray.

4, chain lock according to claim 3 is characterized in that, described lock core is an Anti-drilling lockwork.

Images