CN2144164Y

CN2144164Y - Anti-picking bicycle lock

Info

Publication number: CN2144164Y
Application number: CN 92241544
Authority: CN
Inventors: 周月水
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-11-13
Filing date: 1992-11-13
Publication date: 1993-10-20
Anticipated expiration: 2002-11-13

Abstract

The utility model discloses the improvement of a prizing-proof bicycle lock, comprising an outer shell, a lock core body, a spring, a lock core, a lock ring, a lock ring slot, and a pull handle. The lock core body is of an integral closed type, a cross slot is arranged at the right end of the lock core, a clamping head at the center section of a spring sheet is clamped in the cross slot, the lock ring is sheathed in the lower part of the lock core body, a 90 DEG lock ring slot is arranged on the lock ring, and the lower part of the spring sheet is clamped in the lock ring slot. The utility model has the advantages of simple structure, easy manufacturing, no need of increasing equipment, no need of special process, low manufacture cost, firm and durable structure, and good anti-prizing effect.

Description

Anti-picking bicycle lock

The utility model relates to a kind of improvement of bicycle lock, especially a kind of bicycle lock with tamper-resistant function.

Existing bicycle lock, it opens, sealed mostly be to utilize the rotation of lock core to drive but finish with the lock pin that lock body splits with placing in the lock housing because lock housing is bad by sled easily, so do not have antitheft effect.CN2091922U discloses a kind of integral sealing formula bicycle lock, but the structure that should lock is complicated, processes the comparison difficulty.

The purpose of this utility model is to overcome the defective that above-mentioned bicycle lock exists, and provides a kind of simple in structure, easy to manufacture, and cost is low, the bicycle lock that the thief is difficult to pry open.

Task of the present utility model realizes in the following manner: the same with the ordinary bicycle lock, this pick-proof lock mainly is made up of shell, lock core body, spring, lock core, lock ring, lock ring groove and handle.Lock core body is integrally closed, is provided with lock core in the lock core body, and the right-hand member of lock core is processed with cross recess, and the dop in shell fragment stage casing is installed in the cross recess, and lock ring is sleeved in the bottom of lock core body, has 90 ° lock ring groove on the lock ring, and the shell fragment lower end is stuck in the lock ring groove.

The utility model is compared with existing anti-theft lock for bicycle, has simple in structurely, and handling ease need not increase equipment, does not need special process, and low cost of manufacture is sturdy and durable, the advantage that pick-proof is effective.

Concrete structure of the present utility model is provided by drawings and Examples.

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

Fig. 2 looks enlarged drawing for the right side of lock core 6 among Fig. 1;

Fig. 3 is the partial structurtes schematic diagram of lock ring 9 among Fig. 1;

Fig. 4 is the cross-sectional view of Fig. 3 lock ring groove 8 parts;

Fig. 5 is the right view of shell fragment 5 among Fig. 1.

Below in conjunction with drawings and Examples the utility model is described in more detail.

Embodiment:

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, the top of ring lock shell 1 is provided with integrally closed lock core body 2, lock cylinder 6 is housed in the lock core body 2, the right-hand member of lock core 6 is processed with cross recess 11, the stage casing of shell fragment 5 is processed with dop 7, dop 7 is installed in the cross recess 11, spring 4 is equipped with on the left side, bottom of shell 1, lock ring 9 is equipped with on the right, spring 4 is connected with lock ring 9, and lock ring 9 passes in the bottom of lock core body 2, has 90 ° lock ring groove 8 on the lock ring 9, the lower end of shell fragment 5 is stuck in the lock ring groove 8, and the stage casing of lock ring 9 is welded with handle 10.

The course of work of the present utility model is as follows: grasp the handle 10 down by, when the lower end of shell fragment 5 card was put in the lock ring groove 8, bicycle was lockable.During unlatching, key 3, the lower end that drives shell fragment 5 by lock core 6 breaks away from from lock ring groove 8, near the rear wall of lock core body 2, is subjected to the elastic force of spring 4, and lock ring 9 shrinks in shell 1, and bicycle lock promptly is unlocked.

Claims

1, a kind of Bicycle Anti-Picklock, comprise shell 1, lock core body 2, spring 4, lock core 6, lock ring 9, lock ring groove 8 and shake hands 10, it is characterized in that: be provided with lock core 6 in the integrally closed lock core body 2, the right-hand member of lock core 6 is processed with cross recess 11, the dop 7 in shell fragment 5 stage casings is installed in the cross recess 11, lock ring 9 is sleeved in the bottom of lock core body 2, has 90 ° lock ring groove 8 on the lock ring 9, and the lower end of shell fragment 5 is stuck in the lock ring groove 8.