CN87207270U - Anti-prizing lock for bicycle - Google Patents

Abstract

The utility model provides an anti-prizing lock for a bicycle. Compared with an ordinary cycle lock, the anti-prizing lock for the bicycle is provided with an iron concave stopping piece. The stopping piece and the face with the lock core of a lock shell constitute a sealing body. Because the stopping piece protects a lock tongue and a lock pin, the lock-prying difficulty is notably increased. The safety performance of the cycle lock is enhanced. The utility model also has the advantage that the advantage of the ordinary cycle lock of simple structure is maintained. When used, the anti-prizing lock for the bicycle is the same to the common cycle lock. J[-130].

Description

Anti-prizing lock for bicycle

The utility model is about bicycle lock, particularly Antipicking bicycle lock.

Constitute by lock core, dead bolt, lock pin and shell etc. for the used bicycle lock of the public at present.The picking lock person only needs the shell of lock is pried open a seam, just can very fast the lock unlatching be pried open and be made to dead bolt or lock pin with bottle opener.Thereby this bicycle lock security performance is relatively poor.Though another kind of chain type lock security performance is better, uses again inconvenient.

The purpose of this utility model provides a kind of existing Regular Bicycle lock construction advantage simple, easy to use, is difficult to the bicycle lock of being pried open again.

Its solution is: adorn a hard spill catch at dead bolt and lock pin concave part, the one side of this catch and lock housing (that face that lock core is arranged) is formed an obturator that is difficult to pry open.One one of dead bolt and lock pin respectively there is a hole obturator both sides among obturator, for the lockpin ventilating mistake.

Because the utility model only needs to increase by a spill catch in original lock, thereby structure is simple especially, the cost increase seldom but can significantly increase the difficulty of picking lock.

The utility model will be further described below in conjunction with embodiment.

Fig. 1 is the utility model structural representation, and Fig. 2 is an expanded view, and dead bolt (1) is contained on the lock core bottom (6), and on rivet (4), dead bolt when lock is closed (1) blocks lock pin (2) to an end of dead bolt by spring (3) tension.Respectively there is a breach both sides of spill catch (5), and it uses several closing-ups with the one side that lock core is arranged (not drawing among the figure) on the lock housing, forms an obturator, and respectively there is an aperture these obturator both sides for the lockpin ventilating mistake.Like this, even the one side of lock housing is pried open, but the obturator that the another side of catch (5) and lock housing forms is protecting dead bolt and lock pin not to be pried open, thereby has improved the safety of lock.

Claims (1)

1. A kind of bicycle lock, particularly Antipicking bicycle lock comprise lock core, dead bolt, lock pin and lock housing etc.It is characterized in that: have a catch (5) to become an obturator with the side lock housing that lock core is arranged with closing-up, the part of dead bolt (1) and lock pin (2) is closed in wherein; Catch (5) is the spill iron plate, and respectively there is a breach that supplies lockpin ventilating to cross both sides.