Low pressure maintaining high pressure cleaning device and low pressure maintaining method

A technology of high-pressure cleaning and low-holding pressure, applied in cleaning methods and utensils, cleaning methods using liquids, chemical instruments and methods, etc., can solve problems such as easy damage to holding pressure, low holding pressure, etc.

CN107570459BActive Publication Date: 2020-10-20宁波君禾清洁科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2020-10-20

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Abstract

The invention relates to the field of washing equipment and aims at providing a low-pressure maintaining high-pressure washing device. The low-pressure maintaining high-pressure washing device comprises a high-pressure pump which is provided with a motor. The low-pressure maintaining high-pressure washing device further comprises a low-pressure maintaining device. The low-pressure maintaining device comprises a valve body, a low-pressure maintaining valve and a control switch, wherein the valve body is provided with a pressure relief outlet, a high-pressure outlet and a high-pressure inlet communicating with an outlet hole of the high-pressure pump, the rear end of the low-pressure maintaining valve extends out of a valve rod at the rear end of the valve body, and the control switch is provided with a drive rod which is opposite to the rear end of the valve rod and is electrically connected with the motor. According to the low-pressure maintaining high-pressure washing device, when a high-pressure washing machine pauses, the high-pressure pump can achieve pressure maintaining with relatively low pressure, and no damage is caused.
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Description

technical field

[0001] The invention relates to the field of cleaning equipment, in particular to a low-pressure-holding high-pressure cleaning device and a low-pressure-holding method. Background technique

[0002] High-pressure cleaning pumps are often used in high-pressure cleaning machines; the utility model of Chinese patent application number CN201520716500.5 discloses a new type of high-pressure cleaning pump, including outlet, inlet, bearing housing, pump shaft, motor, coupling, overflow valve, motor shaft, the outlet is set at the top of the pump body, the inlet is set at the bottom side of the pump body, the overflow valve is set at one side of the pump body, and the top side of the pump body is provided with a pressure gauge , the bearing seat is set between the pump body and the coupling, the motor shaft and the pump shaft are connected through the coupling, the motor and the pump body are both set on the base, and the top of the motor is set There is a lifting ...

Examples

Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] as attached figure 1 , attached figure 2 , attached image 3 Shown: a low-pressure maintaining high-pressure cleaning device, including: a high-pressure pump 1 with a motor 11, a low-pressure maintaining device; the low-pressure maintaining device includes: a pressure relief outlet 21, a high-pressure outlet 22, and a high-pressure pump 1 The valve body 24 of the high-pressure inlet 23 communicated with the outlet hole 12, and the low pressure-holding valve 2 whose rear end stretches out the valve stem 25 at the rear end of the valve body 24, is provided with a drive rod 31 opposite to the valve stem 25 rear end and connected to the motor 11 Electrically connected control switch 3.

[0022] The low pressure maintaining valve 2 includes: a stepped hole 26 provided on the valve body 24 and the large end of which communicates with the rear end of the valve body...