CN201457537U - U-shaped vehicle head lock structure - Google Patents

Abstract

The utility model relates to a bicycle, electric vehicle or U-shaped vehicle head lock, wherein a lock body is in a U-shaped structure, and two screw holes are arranged at both ends of the U-shaped lock body. A fixed block is welded on an outer shaft of a vehicle frame. The U-shaped lock body is fixed with the fixed block through a screw, achieving the purposes of disassembly prevention and prying prevention of the lock body. The U-shaped vehicle head lock has simple structure and convenient use, and is suitable for being used as a pickproof lock for various bicycles, electric vehicles, motorcycles and the like.

Description

A kind of U-shaped head lock structure

One, technical field:

The utility model relates to a kind of lock body structure, refers in particular to the fixed sturcture of battery-driven car, motor bike, bicycle headstock lock lock body.

Two, background technology:

The head lock lock body anti-theft of present known motor bike, battery-driven car, bicycle is poor, and from the check screw of two locks of the inner dismounting of car, whole lock just can take out easily, makes head lock lose effect.

Three, summary of the invention:

In order to overcome the defective of existing motor bike, battery-driven car, bicycle headstock lock, the utility model provides a kind of U type head lock lock body structure, when head lock is in blocking, also can't take out lock body even dismantle two check screws internally.

The technical scheme that its technical matters that solves the utility model adopts is: U type head lock comprises: compositions such as lock body, lock shaft, screw, fixed block.Lock body is the U-shaped structure, and two screw holes are established at U-shaped lock body two ends.U-shaped two ends inner distance equals the diameter of motor bike, battery-driven car, cycle frame outer shaft.There are two screw holes on fixed block two limits, and fixed block is welded on the vehicle frame outer shaft, and the U-shape lock body is fixed by screw and fixed block.When vehicle frame outer shaft, interior axle respectively had a lockhole, interior axis hole to turn an angle to overlap with vehicle frame outer shaft lockhole, lock shaft can pass two lockholes, and outer shaft blocks in making, and interior can not be rotated.

During the beneficial effects of the utility model, when lock is in blocking, unload two check screws, lock body also can't take out, and reaches the effect of tamper, pick-proof.

Four, description of drawings:

Section-drawing when Fig. 1 is U type head lock blocking.

Section-drawing when Fig. 2 is U type head lock unlocking condition.

Among the figure 1, lock body; 2, vehicle frame outer shaft; 3, interior axle; 4, locking bolt; 5, fixed block; 6 screws.

Five, the specific embodiment:

The utility model is described in further detail below in conjunction with accompanying drawing: in Fig. 1, by key unlocking, locking bolt 4 moves right to Fig. 2 position, and interior 3 free to rotate, is unlocking condition.In Fig. 2, rotate by interior axle 3, lockhole coincidence on shaft lock hole 7 and the vehicle frame outer shaft in making, when key was closed, locking bolt 4 was moved to the left, axle 3 in blocking, interior axle 3 can not freely rotate.Be blocking (as Fig. 1) this moment.

Claims (1)

1. U type head lock structure, comprise U-shape lock body (1), fixed block (5), screw (6), locking bolt (4), it is characterized in that lock body is the U-shaped structure, two screw holes are established at U-shape lock body two ends, U type two ends inner distance equals the vehicle frame outer shaft diameter, locking bolt in lock body inside along with the lock open and close sway in lock body.

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