Handheld vacuum suction device

Details Handheld vacuum suction device Handheld vacuum suction device

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 37/10 (2006.01) F04B 37/14 (2006.01)

Patent

CA 2629823

Disclosed is a handheld vacuum suction device, and in particular, a handheld vacuum suction device that has a suction nozzle for making an inflow of moisture into a vacuum pump be minimized, and is capable of improving durability of a pressure switch, and simplifying the internal configuration by using a diaphragm-type vacuum pump. A handheld vacuum suction device includes: an exterior case; a cap that includes a suction nozzle; a pressure switch unit that includes a pressure switch having a slide body configured to descend against a spring when a pressure in the cap falls below a predetermined pressure, to thereby cut off power supply, and a vertical through suction duct; a vacuum pump that includes an inlet port connected to the suction duct and sucks in air; and a control that includes an actuating switch, and is electrically connected to the vacuum pump and the pressure switch to control the actuation of the vacuum pump.

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