Snap-on fish control device

A snap-on fish control device, comprising:

• a tube body, a front end of which is fixed with a first fixed shaft and a plurality of clearance openings;
• a clamping component, which comprises a first hook and a second hook that are both provided with a neck of hook, and the two necks of hook are both provided with a sliding groove;
• a control component, which comprises a moving shaft arranged at the front end of an inner part of the tube body, a movable fastener sleeved on an outer side of the tube body to control a movement of the moving shaft, a lock control component for locking the moving shaft, and a reset component for resetting the moving shaft;
• a front end of the moving shaft is provided with a U-shaped piece, both side walls of which are provided with a first strip hole;
• the two necks of hook are arranged between the both side walls of the U-shaped piece, and a front end of each side wall of the U-shaped piece is hinged to a front end of each neck of hook;
• the first fixed shaft passes through the two first strip holes and the two sliding grooves at the same time, and the clearance openings are used for a clearance of a position change of the two necks of hook;
• the movable fastener drives the moving shaft to move forward and backward to control the opening and closing of the first hook and the second hook;
• when the lock component locks the moving shaft, the first hook and the second hook are closed;
• when the lock control component does not lock the moving shaft and under an action of the reset component, the moving shaft moves forward, and the first hook and the second hook are opened;
• wherein the tube body is provided with a second strip hole inside the movable fastener, and the moving shaft is provided with a second fixed shaft passing through the second strip hole;
• the second fixed shaft is fixedly connected to the movable fastener.