CN2110687U

CN2110687U - Anti-theft padlock

Info

Publication number: CN2110687U
Application number: CN 91233303
Authority: CN
Inventors: 耿志圣
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-12-30
Filing date: 1991-12-30
Publication date: 1992-07-22

Abstract

The utility model relates to an anti-theft padlock which is composed of a lock case, a lock pin, a lock core, a collapse-resistant assembly and a flick assembly, wherein, the lock case is a flat cube; the middle part of the end face of one side of the lock case is provided with a rectangular groove through which the lock pin of the padlock passes. In the utility model, the groove position is buckled and put on a door crane; then, the lock pin passes through a door crane hole to lock the padlock. The lock has the advantages of simple structure and low cost; the lock pin is hidden, and besides, the door crane is also covered; therefore, the utility model has good anti-theft performance. The utility model can be widely used for various occasions where padlocks are adopted and especially suitable for house doors, warehouse doors, etc.

Description

Anti-theft padlock

The utility model is a kind of lock, particularly a kind of theft proof padlock.

In the prior art, the lock pin of padlock generally is the exposure formula, so padlock very easily pried open, and has given the robber with opportunity, and the country and people's property is sustained a loss.

The lock pin that the purpose of this utility model provides a kind of padlock is arranged on end face one side of lock box, and the theft proof padlock that lock pin does not expose during use is to overcome defective of the prior art.

The purpose of this utility model is achieved in that

Theft proof padlock includes the lock box that lock box 1, lock core 2, lock pin 3, gram collapse assembly and flick the assembly padlock and is flat cube shaped, and the groove 8 of a rectangle is arranged at middle part, one side end face, has the straight-bar shape lock pin of padlock to pass in the groove.In one of the lock box limit parallel, the lock core of padlock is housed with lock pin.Longitudinally in the lock box limit, between half-cylindrical end of lock core and lock pin, the jackscrew 4 by spherical head is housed successively in lock core the inner, stage clip 5, the gram that the footstock 6 of spherical nest bottom surface and steel ball 7 are formed collapses assembly.In the lock box of lock pin front end, the assembly that flicks of a stage clip 10 and spring footstock 9 compositions is housed.Lock pin has a necking segment at its front end, and in the front portion of necking down a link stopper 11 is arranged; Lock pin has the annular groove of an arc in its back-end.

Below in conjunction with embodiment and accompanying drawing the utility model is described in detail.

Fig. 1 padlock master sectional view;

Fig. 2 padlock sectional view.

The lock box 1 of theft proof padlock can cylinder iron be made, and in its side rectangular recess 8 is arranged, and relative opposite side is a plane.When padlock used, the groove of padlock was buckled and is placed on lock and hangs on, and the lock pin front end passes the gantry crane hole and enters in the lock box body, and the arc-shaped ring groove on the lock pin rear end is then compressed by stage clip 5 and steel ball 7, and padlock is just locked the jail.When padlock is opened by key, the lock core rotation, when the semi-cylindrical breach of lock core the inner collapsed assembly facing to gram, steel ball was loosened, and lock pin falls back within the groove of lock box the lock pin front end just by the components drive that flicks of front end, thereby lock can be taken off from gantry crane.

Of the present utility model simple in structure, lock pin is hidden, and gantry crane also is capped, so its theftproof performance is good, by thickening lock box wall and overstriking lock pin, its intensity, fastness is increased substantially.

Claims

1, a kind of theft proof padlock, including lock box, lock core, lock pin, gram collapses assembly and flicks assembly, the lock box of padlock that is characterised in that of the present utility model is flat cube shaped, and the groove of a rectangle is arranged at middle part, one side end face, has the straight-bar shape lock pin of padlock to pass in the groove; The lock core of padlock is housed in one of the lock box limit parallel with lock pin; In the inner vertically lock box limit of lock core, between half-cylindrical end of lock core and lock pin, the jackscrew by spherical head is housed successively, stage clip, the gram that the footstock of spherical nest bottom surface and steel ball are formed collapses assembly; In the lock box of lock pin front end, the assembly that flicks of a stage clip and a spring footstock composition is housed; Lock pin has a necking segment at its front end, and in the front portion of necking down a block is arranged, and lock pin has the annular groove of an arc in its back-end.