CN2203706Y - Front-fork of bicycle with anti-theft lock - Google Patents

Abstract

The utility model relates to a bicycle whose front fork is provided with a theft-proof lock, which is composed of a lock body which is tightly embedded in a tube on the lower end of the front fork and an iron stop arranged in a tube on the lower end of a bicycle frame. After the bicycle is parked and locked, a lock pin is fixed on a certain position by the iron stop, the position of a bicycle handle can not be changed, and the bicycle can not be move forward, so stealing is prevented safely.

Description

Front-fork of bicycle with anti-theft lock

The utility model relates to a kind of bicycle with Front fork lock.

At present, self is not with lock known bicycle, lock is assigned in vehicle body in addition, lock is a locking bicycle rear and stop it to move ahead, but because of easy sled maybe can clamp disconnectedly, bicycle is stolen seriously, as for the warning lock, need be furnished with battery, often because of battery failure, unloaded, or do not realized because of chimes of doom and to be lost anti-theft feature.

The purpose of this utility model is exactly the bicycle that a kind of front fork band theftproof lock is provided for the above-mentioned defective that solves prior art.

The purpose of this utility model is achieved in that

A kind of bicycle of front fork band theftproof lock, it comprises front fork tube, vehicle frame pipe, lock body, in the front fork tube at front fork tube and the vehicle frame pipe place of linking, be provided with a lock, and corresponding having is convenient to the bar shaped hole that lock pin rotates on front fork tube, on the vehicle frame inner tubal wall, is provided with a buting iron corresponding to place, bar shaped hole.

Advantage of the present utility model is that anti-theft feature has just been arranged when bicycle dispatches from the factory, need not the user and adds lock or other alarm against theft again, and simple in structure, survivable, safe and reliable.

The utility model is described in further detail below in conjunction with drawings and Examples.

Structural representation when Fig. 1 is the utility model unlatching

Structural representation when Fig. 2 is the utility model locking

Fig. 3 is the utility model installation site schematic diagram

Fig. 4 is that the utility model is installed circle hole schematic diagram

As Fig. 1-shown in Figure 4, the utility model with bicycle handle bar fastening front fork tube 2 lower end pipes in, setting-in front fork lock body 10, and have a bar shaped hole 7 that lock pin 4 is screwed out, lower end and 7 relevant positions, bar shaped hole are welded with buting iron 5 in entangling the vehicle frame pipe 1 of front fork tube 2, and front fork tube and vehicle frame pipe 1 corresponding position have the circular hole 8,9 that lock core 6 is appeared.When bicycle parking, when handlebar and vehicle frame are 45 °, bicycle is pinned with key, lock pin 4 stretches out the bar shaped hole 7 of front fork here, and buting iron 5 can stop lock pin 4 displacement again in the vehicle frame 1.Like this, handlebar is fixed on and 45 ° of angle states of vehicle frame, and bicycle is carried out advance, and spins on the spot at most, and reaches antitheft purpose.The right side has the notch 11 of being convenient to lock pin 4 half-twists on lock body 10.In Fig. 1, lock body 10 is opened, and lock pin 4 is parallel to front fork 2 tube walls, and bicycle can be carried out.In Fig. 2, bicycle parking, when handlebar and vehicle frame 1 are 45 ° of angles, the lock pin 4 of front fork theftproof lock by key screw out bar shaped hole 7 and with front fork tube 2, the tube wall of vehicle frame pipe 1 is vertical, if in the time of will changing the handlebar orientation, lock pin 4 promptly be fixed on vehicle frame 1 tube wall buting iron 5 stop that like this, the handlebar orientation is locked is being 45 ° of angle states with vehicle frame pipe 1, bicycle can not be kept straight on, thereby reaches antitheft purpose.In Fig. 4, equal-height position front fork tube 2 dead asterns of the lock core 6 of lock body 10 to tube wall on have a front fork circular hole 8 that lock pin 4 is passed, locate correspondence and have a vehicle frame pipe circular hole 9 that lock pin 4 is passed for 45 ° on vehicle frame pipe 1 right side, so that the bicycle front-wheel turns right 45 ° the time, front fork circular hole 8 overlaps with vehicle frame circular hole 9, lock pin 4 rotations are also passed this two circular hole, play fixedly locked effect.The diameter in front fork tube circle hole 8 and vehicle frame pipe circle hole 9 is more bigger than lock core 6, and the position height is corresponding, and lock core 6 is appeared when the bicycle front-wheel is tiltedly put 45 ° left.When opening because of the front fork theftproof lock, front fork circle hole 8 and vehicle frame circle hole 9 do not overlap an orientation, so key also must take out.

Claims (3)

1, a kind of bicycle of front fork band theftproof lock, it includes front fork tube 2, vehicle frame pipe 1, lock body 10, it is characterized in that in the front fork tube at front fork tube 2 and vehicle frame pipe 1 place of linking, being provided with a lock body 10, and corresponding having is convenient to the bar shaped hole 7 that lock pin 4 rotates on front fork tube 2, is provided with a buting iron 5 corresponding to 7 places, bar shaped hole on vehicle frame pipe 1 inner tubal wall.

2, the bicycle of front fork band theftproof lock according to claim 1, it is characterized in that equal-height position front fork tube 2 dead asterns of the lock core 6 of lock body 10 to tube wall on, have a front fork circular hole 8 that lock pin 4 is passed, 45 degree place correspondences have a vehicle frame pipe circular hole 9 that lock body 4 is passed on vehicle frame pipe 1 right side, so that the bicycle front-wheel turns right 45 when spending, front fork circular hole 8 overlaps with vehicle frame pipe circular hole 9.

3, the bicycle of front fork band theftproof lock according to claim 1, its feature right side on lock body 10 have to be convenient to lock pin 4 and to revolve the notch 11 that turn 90 degrees.

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