Front Fork Safety Lock For Bicycle

Abstract

The invention relates to a front fork safety lock for a bicycle, it includes a lock tube fixed vertically to a fork cylinder, the lock tube has a perforated step hole along its axis, the step hole includes small holes and large holes, a limit groove is arranged on the inner wall of the large hole, the tail end of the screw rod extends into the step hole from one side of the head end of the small hole until the tail end of the screw rod is flush with one side of the tail end side of the large hole, the screw rod positioned in the small hole is connected with the small hole through the bearing,the screw rod positioned in the large hole is matched with the nut, the nut is provided with a limit block matched with the limit groove, the nut is also connected with a sleeve; The head end of the screw rod is positioned outside the lock tube, the head end of the screw rod is connected with a toggle unit which is perpendicular to the screw rod, a locking block is arranged between the toggle unitand the lock tube, the locking block is fixedly connected with the lock tube, the lock tongue is arranged inside the locking block, when it is locked, the lock tongue is popped out along the direction parallel with the screw to stop the rotation of the toggle unit, when it is unlocked, the lock tongue is returned to the inside of the locking block. This anti-theft lock has the advantages of ingenious conception, good locking effect and strong popularization value.

Description

technical field [0001] The invention belongs to the field of bicycles, in particular to a front fork safety lock for bicycles. Background technique [0002] With the improvement of people's life philosophy, cycling is accepted by more and more people, and people use cycling to achieve the purpose of green travel or physical fitness. Although the existing bicycles have been greatly improved in terms of function and appearance compared with the past, the safety problem of bicycles has not been well resolved. At present, it still mainly relies on the chain lock that can fix the bicycle at will to lock the bicycle. , because it is separated from the car body, it is not convenient for storage and is easily lost. Contents of the invention [0003] In view of this, the present invention aims to provide a safety lock for the front fork of a bicycle, which is fixed at the position of the front fork of the bicycle, and has the advantages of ingenious design and good locking effect....

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