Cyclic switching electric suction cup

A cyclic switching electric suction cup, comprising:

• a suction member, including an assembly side, a suction side, a first guide hole and a second guide hole;
• wherein, the suction side is movably sucked on the outer surface of the object to be sucked and forms an air camber between the object;
• wherein the first guide hole and the second guide hole penetrate from the assembly side to the suction side and are communicated with the air chamber correspondingly;
• and
• an actuating member, mounted on the assembly side of the suction member;
• wherein the actuating member includes an air extraction motor, a power supply, a control panel and a locking sleeve;
• wherein, the power supply is electrically connected with the air extraction motor and the control panel, the control panel controls the on and off of the air extraction motor, and the air extraction motor is connected to an air extraction pipe, and the air extraction pipe is communicated with the first guide hole;
• wherein one end of the locking sleeve is adjoining to and movably abutted against a first switch of the control board, and the other end of locking sleeve is assembled to the second guide hole;
• wherein, when the power supply outputs power to operate the control panel and the air extraction motor, the air chamber is in a non-vacuum mode, and one end of the locking sleeve is abutted against the first switch to activate the air extraction motor to extract;
• when the air extraction motor extracts the air in the air chamber through the air extraction pipe, the air in the locking sleeve is simultaneously extracted and the locking sleeve elastically shrinks and deforms, so that the locking sleeve shrinks slowly and reset quickly to start the air extraction motor;
• after the air extraction in the air chamber is completed and the air chamber is in a vacuum mode, the end of the locking sleeve abutting against the first switch is gradually distant from the first switch, so that the air extraction motor stop extraction, and repeat this cycle when the air chamber is in the non-vacuum mode.