CN2064398U

CN2064398U - Bicycle lock

Info

Publication number: CN2064398U
Application number: CN90202373.XU
Authority: CN
Inventors: 袁志良
Original assignee: Individual
Current assignee: Individual
Priority date: 1990-02-28
Filing date: 1990-02-28
Publication date: 1990-10-24

Abstract

The utility model discloses a bicycle lock for a bicycle, which comprises a long latch handle, a lock shell, a key, a standstill locking pin, a small spring, an upper and a lower marbles, a pin, a double locking tongue, and a lead cover. Both ends of the long lock handle are provided with slots which are inserted on the standstill locking pin at the bottom of a locking hole to full sealed lock core part in the long latch handle, which can not be prized easily, the bicycle lock remains in a locked state even when the long latch handle is sawed off, and can not be opened without a key. The safety factor of the utility model is higher than the other ordinary locks; the long latch handle can be modified to a short latch handle as a padlock for locking a door or a storehouse; the utility model which can be widely used can replace the cycle locks of various vehicles of a bicycle, a motorcycle, etc. The utility model has the advantages of high safety, and reliability.

Description

Bicycle lock

The utility model relates to a kind of anti-theft vehicle lock of for bicycle.

It is very thin that the pincers type lock of selling on the existing market, tongue are that iron plate is made, and is easy to be prized and pounded, very dangerous, is brightly to see and generally lock the pellet shot from a slingshot hole, easily pried open by the people and take out the lock pellet shot from a slingshot, loses the effect of lock.The patent No. 88218647.7 " a kind of sealing lock " both sides all are totally-enclosed interior the pellet shot from a slingshot hole with long lock rope, be difficult for prying open, but this kind lock can only disposablely be made sealing lock and use without key.

The purpose of this utility model is to provide a kind of for bicycle anti-theft vehicle lock of the property improved, anti-hammering, difficult sawed-off, and the sawed-off exactly locking state that also is in had not only insured, but also practical, and must usefulness key operated, safety factor be higher than other general lock.

The utility model is achieved in that anti-theft vehicle lock is made up of long shank of the key, lock housing, key, spline pin, little spring, upper and lower pellet shot from a slingshot, pin, dead bolt, lead cover, the spline pin of protrusion is arranged at the lockhole bottom on the lock housing, chute on the long shank of the key and spline pin are connected, lock core marble is totally-enclosed in lock housing, and dead bolt is a double lock tongue.

Accompanying drawing, structural representation of the present utility model:

Long shank of the key (1), lock housing (2), key (3), spline pin (4), lead cover (5), little spring (6), last pellet shot from a slingshot (7), following pellet shot from a slingshot (8), pin (9), double lock tongue (10).

Below in conjunction with accompanying drawing embodiment of the present utility model is further described:

With reference to accompanying drawing, long shank of the key (1) is

Shape has chute on the two-port, the top is a sphere, and the scarce inclined-plane that cooperates with double lock tongue (10) is arranged on the straight line portion, and two long lockholes are arranged on the lock housing (2), and the spline pin (4) of protrusion is arranged at two long lockhole bottoms.Lock housing (2) mid portion is by being equipped with little spring (6), upper and lower pellet shot from a slingshot (7), (8), pin (9), double lock tongue (10) shown in the figure, and then seals with top with lead cover (5), and this part is the lock core part.

Long shank of the key (1) adopts the 40Cr material through modifier treatment, has high strength, anti-hammering, difficult sawed-off.Can be fixed on bicycle on iron sheet lock housing (2) back side or be locked on the bicycle schoolbag frame.Also can be locked in any part of bicycle as movable chain lock.

Use when locking, only need spline pin (4) in the aligning of the chute on long shank of the key (1) two-port lockhole or the scarce inclined-plane aligning double lock tongue (10) on the long shank of the key (1) are pushed hard in lockhole, be connected up to chute and spline pin (4), lock has just been locked the jail.

If will use bicycle, only need to inject keyhole and rotate with key, extract long shank of the key (1) just.

If surreptitiously violate sawed-off long shank of the key (1), double lock tongue (10) and spline pin (4) also are connected with long shank of the key (1), and long shank of the key (1) can not rotate, and the long shank of the key (1) that is left also be cannot take out in lock housing (2), locks still to be in locking state.

A car is being put easily and is being stolen, and can just be not easy two bicycle locks to have stolen with this lock together.Long shank of the key can be made into short shank of the key again is used to lock a door or the warehouse as padlock.

The lock core part of this lock is totally-enclosed in long shank of the key (1), double lock tongue (10) is arranged again, and long shank of the key (1) chute is buckled on the spline pin (4), and the dual fail-safe effect is arranged, must usefulness key operated, safety factor is much higher than general other lock, can make the lock of a series of long and short handles again, uses in different range, can replace all bicycle locks, on bicycle, motorcycle and various vehicle, use, can pick-proof, pound safety, reliable.

Claims

1, a kind of for bicycle anti-theft vehicle lock, form by shank of the key, dead bolt, lock housing (2), key (3), lead cover (5), little spring (6), last pellet shot from a slingshot (7), following pellet shot from a slingshot (8), pin (9), it is characterized in that shank of the key is long shank of the key (1), dead bolt is double lock tongue (10), spline pin (4) is arranged on the lock housing (2), and long shank of the key (1) is connected with spline pin (4).

2, anti-theft vehicle lock according to claim 1 is characterized in that long shank of the key (1) is

Shape has chute on the two-port, the top is a sphere, and the scarce inclined-plane that cooperates with double lock tongue (10) is arranged on the straight line portion.

3, anti-theft vehicle lock according to claim 1 and 2 is characterized in that the spline pin (4) of protrusion is arranged at two long lockholes bottom on the lock housing (2), and spline pin (4) is connected with chute on long shank of the key (1) two-port.