CN2067739U - Anti-picking bicycle lock - Google Patents

Abstract

The utility model belongs to crab-shaped bicycle lock, comprising a locking component (2), a lock case (3), a lock ring (4), a tension spring (5), and a lock bolt (6). The utility model is characterized in that an anti-prizing member (1) is arranged in the lock case (3), and a hole used for penetrating the lock ring is arranged on the anti-prizing member. The anti-prizing member (1) is connected with the lock case (3), which effectively improves the anti-prizing performance of the locks of the type.

Description

Anti-picking bicycle lock

The utility model belongs to crab tongs shape bicycle lock technical field.

Existing crab shape bicycle lock generally is made up of tapered end parts, lock housing, lock ring, lock bolt, extension spring.Stop the slip of lock ring crossheading to reach the purpose of lock car by the breach that blocks on the lock ring.The advantage of existing lock is that the tapered end secrecy is good, easy to use, and its major defect is to only depend on the lock housing protection, in case lock housing is pried open, just can prize group lock ring and will lock unlatching.Joyriding can unblank in the extremely short time with screwdriver, and therefore existing lock pick-proof performance is anxious to be waited to improve.

The purpose of this utility model is exactly to improve the pick-proof performance of existing lock.At the shortcoming of present crab tongs shape lock pick-proof poor performance, the utility model is provided with pick-proof spare in lock housing, has improved the pick-proof performance of lock effectively.The utility model is achieved in that it mainly is made of (1) pick-proof spare the part shown in the accompanying drawing 1; (2) tapered end parts; (3) lock housing; (4) lock ring; (5) extension spring; (6) lock bolt (or lock core).

The utility model and existing lock relatively reach well manufacturing process and the operating principle except that keeping existing lock secrecy, and basic characteristics are that pick-proof spare (1) is set in lock housing, by riveting, weldering or other process pick-proof spare directly or indirectly are connected with lock housing.Because the hole of passing for lock ring is arranged on the pick-proof spare, when lock is in when shutting state, breach on the lock ring is blocked and can not slide by lock bolt or lock core, and the part that lock ring passes pick-proof spare hole is lived by the protection of pick-proof spare, therefore, even the lock housing bonnet is pried open, the also extremely difficult lock ring sled is offed normal opened lock, and this has just improved the pick-proof performance of lock effectively.

The utility model embodiment 1, embodiment 2, embodiment 3, embodiment 4 are respectively as Fig. 1, Fig. 2, Fig. 3, assembling shown in Figure 4.Tapered end parts, lock housing, lock ring, extension spring among each figure are all by the processing technology manufacturing that has lock now.Pick-proof spare is made also riveting with 〉=1 millimeter iron plate or is welded on the lock housing.

Claims (2)

1, a kind of Bicycle Anti-Picklock comprises tapered end parts (2), lock housing (3), lock ring (4), extension spring (5), lock bolt (6), it is characterized in that: be provided with pick-proof spare (1) in lock housing (3), the hole of passing for lock ring is arranged on the pick-proof spare.

2, according to the described pick-proof lock of claim 1, it is characterized in that: pick-proof spare (1) directly or indirectly is connected with lock housing (3).