In the daily use of motorcycles, for safety reasons, the user often adds a padlock or chain lock to the motorcycle to improve the anti-theft capability of the motorcycle after the parking, but the lock must be carried with the car to make the user feel very uncomfortable. Convenient, while the external locks easily scratch the appearance of the motorcycle. How to improve the anti-theft ability of motorcycles has become the development direction of motorcycle manufacturers. According to the needs of the market, Longxin Group has launched a new type of motorcycle stealth anti-theft lock to eliminate the worries of the majority of motorcycle users. The following is a brief introduction to the hidden security locks of the Loncin motorcycle for the majority of fans. First, the structure of the Longxin motorcycle hidden anti-theft lock is by adding a lock tongue mechanism on the rear brake cover, and the lock tongue hole is added on the wheel hub to solve the problem of motorcycle lock. The control part of the bolt is combined on the rear brake cover of the motorcycle, and is mainly composed of a brake cover, a bolt bracket, a lock tongue, a lock tongue spring, a guide frame, a helical tooth, a lock core, etc., and the center of the hub is added with a corresponding circle. The hole acts as a bolt hole to facilitate the insertion of the bolt and lock the rear wheel of the motorcycle. Second, the working principle 1, inserting the key to rotate the lock core, the lock core drives the helical gear of the front end to rotate, and the helical gear rotates to drive the guide frame that meshes with it to control the movement of the lock tongue. 2. The bolt bracket is fixed in the brake cover. There are four bolt holes in the corresponding position. The bolt is provided with a bolt and a spring. Under the push of the spring, the bolt can move outward. A spiral guiding block extending from the axial center is arranged on the vertical surface of the guiding frame for controlling the advancement and retreat of the locking tongue: when the guiding frame rotates, the step of the front end of the semicircular locking tongue is closely attached to the spiral guiding block Under the action of the spring, the locking tongue can move back and forth in the bolt hole along the spiral guiding block. 3. When the key is rotated in the direction of the "lock" indicated by the lock head, the outer side of the spiral guide block on the guide frame and the tongue engaging portion will move toward the axis, and the bolt will extend inwardly under the push of the spring. Inserting into the corresponding bolt hole on the hub to lock the hub; otherwise, when the key is turned in the "on" direction, the bolt compresses the spring along the side of the spiral guide block and from the lock ring hole Exiting is the lock is turned on. Third, the use method After parking, lock the car, insert the key into the lock, rotate one turn in the direction of "lock", lightly turn the wheel, the built-in four lock tongues simultaneously enter the hub lock tongue to lock the rear wheel hub. When unlocking, insert the key into the lock and turn it in the "on" direction for one week. Precautions for use: Before driving, please confirm whether the lock is in the open state, otherwise it will not run after the ignition starts, forcibly driving, the engine will be turned off due to overload. The key must be removed during driving, otherwise the key will be lost or the driving safety will be compromised. When parking, please insert the key into the lock hole, and rotate the wheel in the direction of "lock" to make it lock. When the unlocking encounters a large resistance, do not force it to open. It should be easily opened by gently pushing the wheel. Fourth, the safety guarantee locking structure is set inside the high-speed rotating hub to ensure that it will not accidentally close during driving, which is the key to the safety design of the lock. The following measures cross-protect their safety performance to ensure safe driving. (1) According to the structural principle of the lock, the gear cannot be rotated without the key drive, and the lock tongue cannot protrude and enter the lock tongue to lock the hub. Therefore, the primary guarantee for driving safety is to ensure that the function of the lock cylinder is normal. When the lock cylinder fails, it should be checked in time and it is forbidden to continue to use. (2) On the outer end of the spiral guide block on the guide frame (i.e., the position where the lock tongue is located in the open state), a groove (ie, a safety groove) is formed at the corresponding portion of the bump and the lock tongue. When the lock is in the open state, the lock tongue is located in the most stable state in the guide block, ensuring that even if the lock cylinder fails, the lock tongue will not accidentally protrude to lock the wheel. (3) During the running, the hub rotates counterclockwise at high speed. In the enclosed space inside the hub and the brake, a rotating airflow field in the counterclockwise direction will be formed, and the guide frame in the airflow field will have a counterclockwise rotation trend. And the direction is exactly the same as the unlocking direction, making the locking tongue more stable in the safety slot
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