Built-in faucet burglar-proof padlock for bicycle and electric bicycle

Abstract

The invention relates to a built-in faucet burglar-proof padlock for a bicycle and an electric bicycle. A key cylinder is cylindrical, the middle is rectangular hole, a slotted hole is arranged on a cylindrical surface of the key cylinder, and a blade is sheet shape. A rectangular hole is disposed in middle of the rectangle, a prominence part is arranged in the hole, and the blade is inserted intothe slotted hole of the key cylinder and arrayed in curve. A lock body is cylindrical, and a through hole is arranged on the cylindrical surface in a lantern shape. A hole diameter of the lantern shape is matched with a diameter of the key cylinder, and the key cylinder is inserted into the through hole of the lock body. A hard alloy or polycrystalline diamond rod is fixed at two sides of the through hole of the lock body, and a key is provided with a double-face internal milling groove. The padlock is mounted in a front Y-branch of the bicycle and fixes an internal sleeve and an external sleeve of the Y-branch by stretching the key cylinder, and the faucet and the bicycle can not rotated in 135 degrees, therefore the bicycle can not be ridden.

Description

technical field [0001] The invention relates to a built-in faucet anti-theft lock for bicycles and electric bicycles, belonging to the field of locks. Background technique [0002] Existing main anti-theft locks for bicycles are all of marble structure, and the whole lock is placed outside the bicycle, which has three major defects of large volume, high mutual key opening rate, and low technical opening difficulty. The newly added anti-theft lock mainly focuses on improving the internal pin structure. Although the mutual opening rate has been reduced to a certain extent, the defects of the exposed lock and large size have not been substantially changed, making the bicycle lock easier to be technically opened by criminals. . Contents of the invention [0003] In order to overcome the shortcomings of the prior art structure, the invention provides a built-in faucet anti-theft lock for bicycles and electric bicycles. [0004] The technical solution adopted by the present in...

AI Technical Summary

Problems solved by technology

[0002]The existing main bicycle anti-theft locks are all pin-shaped structures, and the entire lock is placed outside the bicycle, which has the disadvantages of large size, high key mutual opening rate, and technical difficulty in opening Low three defects

The newly added anti-theft lock mainly focuses on improving the internal pin structure. Although the mutual opening rate has been reduced to a certain extent, the defects of exposed locks and large volume have not been substantially changed, making bicycle locks easier to be technically opened by criminals.

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