Pump unit and handheld high pressure washer
AssigneePositec Power Tools (Suzhou) Co., Ltd.
InventorsPinghua Wu, Yong Qiao, Haijun Zhang
Life of this patent
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Abstract
The present invention relates to a pump unit applied to a high-pressure cleaning machine, including: a water inlet chamber, a water outlet chamber, and a central chamber connected to the water inlet chamber and the water outlet chamber. The pump unit further includes a plunger disposed in the central chamber and an eccentric mechanism connected to the plunger. The eccentric mechanism drives the plunger to perform reciprocating motion in the central chamber.
Claims21
-40. (canceled)
A handheld high-pressure cleaning machine, wherein the high-pressure cleaning machine is powered by using a direct current, and can be connected to an external water source by using a water pipe;
- and the high-pressure cleaning machine comprises:
- a housing, wherein a motor, a transmission mechanism connected to the motor, and a pump driven by the transmission mechanism are provided in the housing;
- a handle used for gripping;
- and
- a nozzle, wherein water from the external water source is sprayed out through the nozzle;
- the handheld high-pressure cleaning machine further comprises a plunger disposed in the pump and an eccentric mechanism connected to the plunger, the eccentric mechanism drives the plunger to perform reciprocating motion.
The handheld high-pressure cleaning machine according to claim 3, wherein the center of the plunger is provided with a mounting portion connected to the eccentric shaft, and a mounting bearing is disposed between the mounting portion and the eccentric shaft.
Dependencies are inferred from the claim text.