Pump unit and hand-held high-pressure washer

Abstract

The invention relates to a pump unit applied to a high-pressure washer. The pump unit comprises a water inlet cavity, a water outlet cavity, and a central cavity communicating with the water inlet cavity and the water outlet cavity; and the pump unit further comprises a plunger disposed in the central cavity and an eccentric mechanism connecting with the plunger, and the eccentric mechanism drivesthe plunger to reciprocate in the central cavity.

Description

technical field [0001] The invention relates to a pump unit. The present invention also relates to a hand-held high-pressure cleaner, especially a hand-held high-pressure cleaner using the pump unit. Background technique [0002] In family life and outdoor activities, the need for cleaning has always been widespread. [0003] In the family life centered on the family courtyard, people often need to clean balconies, walkways, outdoor tables and chairs, barbecue grills, cars, bicycles, garages, pets, garden tools, windows, swimming pools, outdoor steps, etc. Since these items are used outside the house, they will inevitably be stained with mud, oil stains, leaves, dust and other stains. It is extremely inconvenient to clean them with a rag, and they need to be sprayed with water or even high-pressure water. In order to meet the above needs, the solution on the market is to provide household high-pressure cleaners. As disclosed in Chinese patent CN1840246A, these high-pressur...

AI Technical Summary

Problems solved by technology

The AC-powered high-pressure cleaner is limited by the power supply, and its use scene must be equipped with a corresponding AC power supply, which reduces the convenience of outdoor scene applications; the AC-powered high-pressure cleaner is limited by the length of the power cord, and its cleaning range can only Limits cleaning range and mobility of the pressure washer within the length of the power cord

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