CN2660059Y - Steel tube antitheft lock - Google Patents

Abstract

The utility model relates to an anti-theft lock, in particular to a steel pipe anti-theft lock; the utility model is characterized in that lock girders are a flat one and a solid round one. The utility model has the beneficial effect that the anti-theft lock adopts two metal sections of different forms; one section is a flat one and the other is a solid tubular; in this way, the manufacture cost can be saved.

Description

The steel pipe theftproof lock

Technical field

The utility model relates to a kind of theftproof lock, especially relates to a kind of steel pipe theftproof lock.

Background technology

The steel pipe theftproof lock is a kind of lockset that is widely used for bicycle, it comprises lock core, lock pipe and lock bridge, lock core is arranged on the junction of lock pipe and lock bridge, the lock pipe is the hollow cylindrical tube of a semicircle, the lock bridge that uses all is a semicircular real core metal circle at present, and an end of lock bridge is enclosed within the lock pipe, is connected with lock core, the other end then inserts when locking in the lock pipe, and used lock bridge all is the semicircle metallic object of real core at present.Chinese patent net by retrieval, learn: most patent all is to make improvement at lock core, for example Chinese patent 01249493.3 discloses a kind of anti-theft lock for motorcycle, the lockhole of anti-theft lock core is set to triangle, the every face of triangle hole wall at lockhole is provided with one group of pellet shot from a slingshot, the triangle key is corresponding with it, and the anti-theft lock core front end is provided with anti-theft ring; The dead bolt of theftproof lock is provided with chain wheel card corresponding with the motorcycle large toothed disk and dead bolt lid; The square fastening devices of having oval annex on the lock body of theftproof lock, being provided with.And for example Chinese patent 96206640.0 relates to a kind of anti-theft lock core of novelty, and it comprises lock core, lock tube, spacer pin, pushes away post, stage clip, plug and dead bolt.It is characterized in that on the concentric circumferences direction of lock core and lock tube, be provided with impartial prismatic position-limit mechanism, on corresponding with it vertical generatrix direction, be provided with pilot hole in a row, that be parallel to each other, spacer pin, push away component device such as post, stage clip, plug in wherein, form the burglar-proof mechanism of insurance more than, inserted key, rotational lock core, push the locking of spacer pin simultaneously open, by dead bolt, open door lock, thereby reached antitheft purpose.And the steel tube lock lock bridge is carried out improved, report not also at present.Because the lock bridge of the steel pipe theftproof lock that uses all is real core metal body at present, thereby the manufacturing cost height.

Summary of the invention

The purpose of this utility model is that a kind of steel pipe theftproof lock will be provided, this steel pipe theftproof lock lock bridge is taked the metallic object of two sections different shapes, has reached the purpose that reduces cost of manufacture, and lock bridge is provided with spring, can auto-unlocking.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of steel pipe theftproof lock, comprise lock core, lock pipe and lock bridge, lock bridge is taked two sections difform lock bridges, one section is the tabular lock bridge, and one section is real core body circle shape lock bridge, and real core body circle shape lock bridge is provided with one handle, the tabular lock bridge is provided with a lock and fastens gap slot, port is provided with a spring, is connected with the lock pipe, and the other end is connected with real core lock bridge.

The beneficial effects of the utility model are, this theftproof lock adopts the metallic object of two sections different shapes, and one section is tabular, and one section is real core pipe shape, thereby has saved cost of manufacture, and lock bridge is provided with spring, can auto-unlocking.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the structural representation of the utility model lock bridge.

Among the figure: 1, lock core, 2, lock pipe, 3, lock bridge, 4, the tabular lock bridge, 5, real core body circle shape lock bridge, 6, gap slot, 7, spring.

The specific embodiment

Referring to Fig. 1, Fig. 2, a kind of steel pipe theftproof lock, comprise lock core (1), lock pipe (2), lock bridge (3), lock pipe (2) is the semicircle steel pipe of a hollow, lock bridge (3) is made as tabular lock bridge (4) and real core body circle shape lock bridge (5), connect with being weldingly connected between tabular lock bridge (4) and the real core body circle shape lock bridge (5), be provided with a gap slot (6) on one side of tabular lock bridge (4), be provided with a spring (7) in the upper end of tabular lock bridge (4), spring (7) is connected with lock core (1), at real core body circle shape lock bridge (5) one side be provided with a handle (8).Press lower handle (8), real core body circle shape lock bridge (5) inserts in the lock pipe (2), shuts.

Claims (3)

1, a kind of steel pipe theftproof lock comprises lock core, lock pipe and lock bridge, it is characterized in that: lock bridge is made as tabular lock bridge and real core body circle shape lock bridge.

2, a kind of steel pipe theftproof lock according to claim 1 is characterized in that: be provided with a handle on real core body circle shape lock bridge.

3, a kind of steel pipe theftproof lock according to claim 1 is characterized in that: be provided with a lock and fasten gap slot on the tabular lock bridge, be provided with a spring at its port.

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