CN2383925Y - Anti-theft lock - Google Patents

Abstract

The utility model relates to an antitheft lock, which is used for the theft protection for an automobile, a motorcycle, a house door, and a desk and belongs to the antitheft lock class. The purpose of the utility model is to improve and perfect the antitheft performance of the existing lockset. The utility model has the structure that a protective wall and a bottom plate of a front protective cavity are fixed to a door, the protective wall is positioned out of a lock core, an accessory tongue and a shifting rod connected with the accessory tongue are assembled in a cavity which is composed of an outer fastener and the bottom plate of the protective cavity. The utility model has the advantages that fastening screws are all arranged in a lock, the assemblies of the lock are all connected by screws with high strength, and thereby, the property safety can be effectively ensured.

Description

Theftproof lock

The utility model relates to lock, is useful on automobile shaft lock and door and desk built-in lock, promptly a kind of theftproof lock.

Existing automobile axle with theftproof lock and door with and table use built-in lock, the ubiquity lock body structure is insecure, lock core exposes, fixed screw is too small and expose and wait deficiency, is easily pounded, burns, means destructions such as boring, sled.China's utility model communique has been announced " the self-locking automobile anti-theft lock that is used for steering wheel " on July 13rd, 1994, and its notification number CN2171660Y though this automobile anti-theft lock has improvement, still has lock core to expose, to robbing shortcomings such as car is powerless.

The purpose of this utility model provides a kind of theftproof lock, and this lock mainly contains the automobile shaft lock, and its lock core is all protected, and fixing safety firmly.Automobile-used type has the anti-design of robbing concurrently, can effectively prevent vehicle to be robbed.

The novel purpose of this reality is achieved in that a kind of theftproof lock, and lock core 7 is outer a protection walls 1, and 7 of protection walls 1 and lock bodies connect with screw 2 or be welded on the lock body 7.In the dead bolt 6 insertion bodies of door with lock labella 4 is arranged, after dead bolt 6 inserted, labella 4 stretched out and inserts in the respective aperture.

Protection walls (1) is fixed on the door with preceding protection chamber base plate (8), protection walls (1) is positioned at outside the lock core (7), but the labella of left and right sidesing shifting (4) is assemblied in outer button (9) with the driving lever that links to each other (5) and protects in the chamber of chamber base plate (8) composition, and labella driving lever (5) one ends that can stir are corresponding with dead bolt (6) front end.Distance between protection walls (1) and the protection chamber base plate (8) is at 40-80mm.

Advantage of the present utility model is: protection walls 1 protects gimmicks such as making boring with lock core 7 and can't implement, and in conjunction with screw 2 protection walls 1 is firmly connected with lock body 7, makes it to prize not bad.Lock body 7 is bottled up, and none exposes fixed screw.Labella 4 is shut main tongue 6 with extraneous gap, insert object and bump less than main tongue 6.

Description of drawings is as follows: Fig. 1 is a door lock assembly structure sectional drawing.

Symbol description is as follows among the figure: 1-lock core protection walls, and 2-protection walls and lock body connect screw, 3-tongue chamber hold-down screw, the 4-labella, 5-labella driving lever, 6-dead bolt, main tongue, 7-lock core, lock body, 8-protection chamber base plate, 9-detains outward.

Be described with reference to the accompanying drawings as follows: with reference to Fig. 1.Protection walls 1 protects lock core 7, and the thief is difficult to carry out the tacticss of destruction such as boring of lock core 7.Screw 2 between protection walls 1 and the lock body 7 is connected firmly and is difficult to destroy.Its screw 2 forms adopt the connecting screw bar, and its bar upper end is in protection chamber one side, and the top cap is a hemispherical; Screw mandrel 2 is in lock body 7 one sides, and nut is welded on the protection chamber base plate 8.Labella 4 protects in main tongue 6 inclined-planes one side, stirs by lever 5, and dead bolt 6 stretches into and pushes lever 5 dial-out labellas 4, makes from the hard thing of outer insertion and bumps less than dead bolt 6.Door lock base plate 8 with outward buckle 9 and connects with screw rod, the screw rod of door lock is two long straight-bars, screw rod is gone in the lock by the dead bolt side of coming in and going out, and connects lock body and detains 9 and base plate 8 outward.After door lock closed, screw rod can't take out.

Claims (2)

1, theftproof lock, comprise assembling dead bolt (6) in the lock core (7) on the door, it is characterized in that: protection walls (1) is fixed on the door with preceding protection chamber base plate (8), protection walls (1) is positioned at outside the lock core (7), but the labella of left and right sidesing shifting (4) is assemblied in outer button (9) with the driving lever that links to each other (5) and protects in the chamber of chamber base plate (8) composition, and labella driving lever (5) one ends that can stir are corresponding with dead bolt (6) front end.

2, theftproof lock according to claim 1 is characterized in that: the distance between protection walls (1) and the protection chamber base plate (8) is at 40-80mm.

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