Patent ID: 11879473
Assignee: BESTWAY INFLATABLES & MATERIAL CORP.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 4:
5. The air pump according to claim 1, wherein the air-supplementing pump comprises:
a motor assembly comprising:
a motor body,
a base fixed to the motor body and
a rotating member comprising an eccentric hole,
an air-supplementing pump air inlet
a convex shaft extending from the motor body and through the base and nested with the rotating member;
a compression part comprising:
a compression piece,
a holding body comprising a first check valve,
a compression member fixed to the holding body and comprising an airbag, a check blocking piece corresponding to the first check valve, and a buckle extending from the airbag and buckled to the compression piece,
a linkage rod extending from the compression piece and inserted into the eccentric hole; and
an air collecting part comprising an air-supplementing pump air outlet;
wherein the air collecting part and the compression member together define an air collecting chamber and a diversion groove;
wherein a flow channel is disposed on the air collecting part corresponding to the airbag, the flow channel enabling fluid communication between the air collecting chamber and the air-supplementing pump air outlet, the flow channel comprising a second check valve; and
wherein the diversion groove enables fluid communication between the airbag and the first check valve.