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Air pump has motor with several air inlet holes in front sealing cap, and main shaft of motor has gearwheel meshing with lower gearwheel which has center shaft installed in cylinder set and eccentric shaft positioned on shaft set of piston
Air pump has motor with several air inlet holes in front sealing cap, and main shaft of motor has gearwheel meshing with lower gearwheel which has center shaft installed in cylinder set and eccentric shaft positioned on shaft set of piston
The improved air pump has a motor (1) with several air inlet holes in the front sealing cap. The main shaft of the motor protrudes through a shaft opening in the cylinder set (2). The main shaft of the motor has a gearwheel meshing with a lower gearwheel which has a center shaft installed in the cylinder set and an eccentric shaft positioned on the shaft set of a piston. The encircling edge of the shaft opening has several air passage holes and these are provided with a noise-damping hollow cap (3) fastened by a screw. An air slot (16) with an air filter is provided in the motor.
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