CN2091924U - Anti-picking bicycle lock - Google Patents

Abstract

The utility model relates to an anti-picking bicycle lock, which is characterized in that a lock body and a lock case are welded together, a cover casing and a rear cover are arranged at the outside of the lock case, and a lock beam adopts a bold folding type straight-bar structure. The utility model has the advantages of good security, no picking point, strong anti-picking ability, simple manufacturing technique, convenient installation and operation, beautiful appearance, and low cost.

Description

Anti-picking bicycle lock

The utility model belongs to bicycle lock

The lock bridge of commercially available various bicycle locks generally adopts the garden circulus, and lock housing can not complete closed, and stealer can more convenient prying open lock housing or cut off lock bridge.Rotary horizontal door bolt locking device for bicycle that Chinese patent 88209806.3 proposes, it has solved the problem that lock bridge was prized and destroyed to lock housing, has increased the difficulty of picking lock, but this device materials consumption is big, complex process, and be the horizontal door bolt structure of rotation, make the open and close lock convenient inadequately.

The purpose of this utility model is to propose a kind of new construction bicycle lock that had not only effectively prevented burglar's picking lock but also prevented to cut off with scissors lock bridge.

The technical solution of the utility model is achieved in that lock bridge 1,6 is articulated and connected by rivet 2, its lock bridge 1 flexible rivet 2 again bends 90 ° downwards, one sulculus 15 is arranged above the lock bridge 1, have the hole of dress extension spring 5 on the lock bridge 6, extension spring one end divinatory symbol are on lock housing 4, the other end is fixed on the pin 16 of lock bridge 6 by the hole of lock bridge 6, lock core 7 is contained in the lock core body 9, the axis angle of the axis of lock core 7 and lock bridge 1 is 30～70 °, lock core body 9 is welded on the lock housing 4, and case 11 and bonnet 3 are arranged in the outside of lock housing 4.

Commercially available Antipicking bicycle lock is compared with the utility model, lock core body of the present utility model and lock housing weld together, and there are one deck case and bonnet in the lock housing outside, lock bridge adopts the overstriking accordion structure, and this lock is overall structure, and none can prize the place, this lockset has the pick-proof ability strong for this reason, characteristics such as manufacturing process is simple, and good looking appearance is generous, and is with low cost.

Fig. 1 is a structure chart of the present utility model.

Fig. 2 is the utility model lock core body and lock-shell structure cut-away view.

Fig. 1, Fig. 2 are specific embodiment of the utility model, are described further below in conjunction with accompanying drawing:

With reference to Fig. 1, when key 10 inserts in the lock core 7, under the effect of back-moving spring 8, during with angle of key 10 rotations, the afterbody of lock core 7 breaks away from the sulculus 15 on the lock bridge 1, and extension spring 5 is ejected lock body opening 13 and 14 automatically with lock bridge 6,1, and lock bridge 1 falls back on the outside of bonnet 3, and scratch 90 ° of rivet 2 bendings downwards, lock bridge garden cylinder blocks lock core 7 afterbody inclined-planes 12, makes not return of lock core 7, and key is dialled to be come out, lock core axis and lock bridge axis angle are 30～70 °, and best angle is 40～50 °.

With reference to Fig. 2, lock core body 9 welds one with lock housing 4, and then welds with case 11, with bonnet 3 sealings.

Claims (3)

1, a kind of Antipicking bicycle lock, it is characterized in that lock bridge 1,6 is straight-bar, be articulated and connected by rivet 2, its lock bridge 1 is scratched 90 ° of rivet 2 bendings downwards, one sulculus 15 is arranged above the lock bridge 1, have the hole of dress extension spring 5 on the lock bridge 6, one end divinatory symbol of extension spring 5 are on lock housing 4, the other end is fixed on the pinning 16 of lock bridge 6 by the hole of lock bridge 6, lock core 7 is contained in the lock core body 9, the axis angle of the axis of lock core 7 and lock bridge 1 is 30-70 °, and lock core body 9 welderings have case 11 and bonnet 3 by on lock housing 4 in the outside of lock housing 4.

2, Antipicking bicycle lock according to claim 1 is characterized in that in lock bridge 6 and the lock housing 4 extension spring 5 being housed.

3, Antipicking bicycle lock according to claim 1 is characterized in that lock bridge 6 tops are that real bar bottom is drilled with straight hole.

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