CN2304575Y - Bicycle lock - Google Patents

Abstract

The utility model relates to an anti-theft lock for bicycles, which is composed of a lock body, a lock core and a locking pin. One end of the lock body is provided with a bicycle shaft fender; the lock core and the locking pin which is matched with the lock core with a parallel shaft line to a shaft line of a shaft fender are installed in the other end of the lock body; when the utility model used, the shaft fender on the lock body replaces the bicycle shaft fender and is fixed on a connecting fork of a wheel shaft of a front bicycle wheel or/and of a rear bicycle wheel; the locking pin is locked by the lock core; at the time, the locking pin is inserted between a cylinder and a steel wire, and therefore, a bicycle is locked; when the bicycle is stolen, the lock body can be taken off by rotating to make that the bicycle does not have the shaft fender and the bicycle can not be ridded. The utility model has the advantages of simple structure, convenient operation and safety.

Description

Anti-theft lock for bicycle

The utility model relates to a kind of lockset, particularly relates to a kind of anti-theft lock for bicycle.

Anti-theft lock for bicycle is of all kinds, generally is mounted on the vehicle frame more, locks the back and form a block ring on cycle wheel, and the steel wire that blocks on the wheel can't rotate it, reaches antitheft purpose.Chinese patent CN2256845Y has introduced a kind of bicycle lock that prevents wheel, this lock is by lock body, lock core, pellet shot from a slingshot, spring and key, lock body is the wheel axle sleeve, one oilhole is set on it, lock core is a wheel hub, the lock core middle part axially is provided with key hole, can prevent sled effectively, pound lock.Though this lock has above advantage, axle sleeve and wheel shaft that it has made bicycle must be designed to lock body of the present utility model and lock core form, and other various bicycle must be changed its axle sleeve and wheel shaft as this lock will be installed.Use inconvenience, increase cost simultaneously.

It is a kind of simple in structure that the purpose of this utility model is to provide, and only the former axle bumper of axle shelves replacement on the lock body need be installed in the anti-theft lock for bicycle on the cycle wheel axle shaft clevis.

The utility model anti-theft lock for bicycle is achieved in that by lock body, lock core and lock pin to be formed.One end of lock body is provided with the axle for bicycle shelves, in the other end of lock body lock core is installed, and is provided with a lock pin that cooperates its axis and axle shelves parallel axes with lock core.The axle shelves of lock body one end are the integral structures that is connected as a single entity with lock body, and the screw thread on the axle shelves is the yin, yang screw thread, can cooperate with various bicycle shaft.The length of pivot pin should be intersecting vertically with steel wire after locking, thereby block steel wire, and wheel can't be rotated.

The principle of work of the utility model anti-theft lock for bicycle is, replace the axle for bicycle shelves to screw on the axletree shaft clevis of front-wheel and/or trailing wheel the axle shelves on the lock body during use, key inserts in the lockhole of lock core, and key stretches out in the wheel steel wire lock pin and blocks steel wire, wheel can't rotate, bicycle is lockable, otherwise, key, lock pin withdraws from steel wire, and lock is opened.

The advantage of the utility model anti-theft lock for bicycle is simple in structure, firm, and is handsome in appearance, easy to use, flexible, energy pick-proof, anti-pounding, anti-cutting, safe and reliable, want to make lock to destroy, lock must be taken off, bicycle just loses the axle shelves like this, and wheel can't be fixed, so bicycle can not travel.

Describe the utility model embodiment in detail below in conjunction with accompanying drawing.

Fig. 1: the utility model front view

Fig. 2: the A-A cutaway view among Fig. 1

Fig. 3: the utility model scheme of installation

The utility model anti-theft lock for bicycle comprises by lock body 1, lock core 2 and lock pin 3 and forming.It is integrally-built axle for bicycle shelves 4 that one end of lock body 1 is provided with it, and lock core 2 is installed in the other end of lock body 1, and is provided with a lock pin 3 that cooperates its axis and axle shelves 4 parallel axes with lock core 2, and key 5 cooperates with lock core 2.

Claims (1)

1, a kind of anti-theft lock for bicycle comprises lock body, lock core and lock pin, it is characterized in that an end of lock body is provided with the axle for bicycle shelves, in the other end of lock body lock core is installed, and is provided with a lock pin that cooperates its axis and axle shelves parallel axes with lock core.

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