Pressure maintaining mechanism of pump for high-pressure cleaning machine
A high-pressure cleaning machine and high-pressure water technology, applied in the field of cleaning machines, can solve the problem of not being able to guarantee the spray pressure of the spray gun, and achieve the effect of ensuring the continuous spray pressure
Inactive Publication Date: 2020-11-03
深圳市辉翰科技发展有限公司
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- Application Information
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Problems solved by technology
However, the piston does not perform work on the water in the high-pressure water chamber during the return process, and the water pressure in the high-pressure water chamber decreases with the injection of the spray gun of the high-pressure machine, so that the continuous injection pressure of the spray gun cannot be guaranteed.
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[0019] Examples, see e.g. Figure 1 to Figure 4 As shown, a pressure maintaining mechanism of a pump for a high-pressure cleaning machine includes a pump body 1 and a pump cover 2 that are hermetically connected, and the pump body 1 and the pump cover 2 form a low-pressure water chamber 100 and a high-pressure water chamber 200. The pump body 1 is formed with a plurality of cylinder holes 11 that are evenly distributed on the circumference and communicate with the low-pressure water chamber 100. Each cylinder hole 11 is sleeved with a piston 3 that cooperates with it. Axial reciprocating driving mechanism 4; the outer end of the cylinder bore 11 is formed with a first through hole 12 communicating with the high-pressure water chamber 200, the first through hole 12 is located on the outside of the piston 3, and the outer end of the first through hole 12 There is a water outlet check valve assembly 5 at the end; the piston 3 is formed with a second through hole 31 connecting the...
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The invention discloses a pressure maintaining mechanism pf a pump for a high-pressure cleaning machine. The pressure maintaining mechanism comprises a pump body and a pump cover part which are connected in a sealed manner, a low-pressure water cavity and a high-pressure water cavity are formed by the pump body and the pump cover part, a plurality of round holes with openings in the outer sides are formed in the outer wall of the pump body, and a water through hole communicated with the high-pressure water cavity is formed in the inner end of each round hole; a pressure maintaining piston is connected into each round hole in a sleeved manner and located on the outer side of the corresponding water through hole, and a connecting block is arranged at the outer side of each pressure maintaining piston and fixed to an opening of each round hole; and a spring is clamped between each connecting block and the corresponding pressure maintaining piston. The water pressure in the high-pressure water cavity can be effectively guaranteed through elastic supporting of the pressure maintaining pistons, and therefore the continuous spraying pressure of spraying guns is guaranteed.
Description
technical field [0001] The invention relates to the technical field of washing machines, in particular to a pressure maintaining mechanism for a pump used in a high-pressure washing machine. Background technique [0002] A high-pressure cleaner is a machine in which a power unit drives a piston to reciprocate to pressurize water to generate pressure water to wash the surface of an object. It can peel off and wash away dirt to achieve the purpose of cleaning the surface of an object. Nowadays, the application of high-pressure cleaners is becoming more and more extensive, and it is widely used in various fields of life such as cleaning cars, gardens, roads, and fences. However, the piston does not perform work on the water in the high-pressure water chamber during the return process, and the water pressure in the high-pressure water chamber decreases with the spraying of the high-pressure machine spray gun, so that the continuous spray pressure of the spray gun cannot be guara...
Claims
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IPC IPC(8): F04B17/03F04B53/00F04B53/10F04B53/14F04B53/16B08B3/02
CPCB08B3/02F04B17/03F04B53/006F04B53/102F04B53/14F04B53/162
Inventor 谢浔
Owner 深圳市辉翰科技发展有限公司