Patent ID: 11939973
Assignee: ZHEJIANG SHIJING TOOLS CO., LTD
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  B  E | IPC F

Claim 0:
1. An air pump with an automatic air pumping function, comprising a shell (1) and a sealing ring (2), wherein an automatic air replenishing mechanism (3) is arranged at one end of the shell (1), and the other end of the shell (1) is sleeved with a mounting barrel (4);
the automatic air replenishing mechanism (3) comprises a battery mounting box (301) mounted on an inner wall of the shell (1); a battery pack (302) is arranged inside the battery mounting box (301); a vacuum pump (303) is arranged on the inner wall of the shell (1); one end of the shell (1) is clamped with a detection box (304); an air pressure sensor (305) is arranged inside the detection box (304); a two-way valve (306) communicated with the vacuum pump (303) is embedded into an end of the detection box (304); the sealing ring (2) sleeves onto a surface of the detection box (304); a shape of the sealing ring (2) is a hollow circular truncated cone; a digital display circuit board (307) is arranged on a surface of the battery mounting box (301); and an output end of the battery pack (302) is electrically connected to an input end of the digital display circuit board (307).