High-pressure cleaner induction motor starting pressure relief device and pump body including the device
A technology of high-pressure cleaners and pressure relief devices, which is applied to components of pumping devices for elastic fluids, machine/engines, and pump control, and can solve problems such as small starting torque, large current, and burnt out machines, and achieve Avoid the effect of stalling
Active Publication Date: 2018-11-13
香港尚德-富佑捷有限公司
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Problems solved by technology
However, due to the common problem of small starting torque in induction motors, the machine has restarted before the valve stem is completely disengaged. At this time, the internal pressure of the pump head is high, and there is not enough force to continue to drive the swash plate to rotate, and a The phenomenon of stalling, and the current is large at this time, it is easy to cause the machine to burn out
Method used
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[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.
[0025] figure 1 For an assembly diagram of a pressure washer induction motor activated pressure relief device, see figure 1 shown. It shows a preferred embodiment of a pressure relief device for starting an induction motor of a high-pressure cleaner, which includes a valve cover 1, and a valve cover blind hole 11 is opened inwardly along the center line of the valve cover 1 on the lower end surface of the valve cover 1 . At the same time, on the outer surface of the bonnet 1, a bonnet through hole 12 is opened inwardly along the direction perpendicular to the centerline of the bonnet 1, and the bonnet blind hole 11 is connected to the middle section of the bonnet through hole 12, so that the bonnet The through hole 12 and the blind hole 11 of the valve cover can communicate with each other, s...
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The invention discloses a high-pressure cleaning machine induction motor starting pressure relieving device and a pump including the same. The pump comprises a pump head, an overflow valve, the starting pressure relieving device and a valve base; a first connecting port of the pump head is connected with a high-pressure water gun; the overflow valve is installed in a second connecting port of the pump head; the starting pressure relieving device is installed in a third connecting port of the pump head; the head of the valve base can be arranged in a valve body connecting hole in a jacking mode. The starting pressure relieving device comprises a valve cover and a valve body; a valve cover through hole communicates with a valve cover blind hole; a valve body opening communicates with the valve body blind hole through the valve body connecting hole, and the lower segment of the valve cover is installed in the valve body blind hole. According to the high-pressure cleaning machine induction motor starting pressure relieving device and the pump including the same, by using the starting pressure relieving device, the internal pressure of the pump head in a high-pressure area can communicate with the internal pressure of the third connecting port of the starting pressure relieving device in a low-pressure area, an internal circulation state is formed, therefore, it is effectively guaranteed that a motor can smoothly run, and then a machine achieves a normal working state.
Description
technical field [0001] The invention relates to the technical field of a pump body of a high-pressure cleaner, in particular to a pressure relief device for starting an induction motor of a high-pressure cleaner, and a pump body including the pressure relief device for starting an induction motor of a high-pressure cleaner. Background technique [0002] A high-pressure cleaner is a machine that uses a power unit to make a high-pressure plunger pump generate high-pressure water to rinse the surface of an object. It can peel off and wash away the dirt to achieve the purpose of cleaning the surface of the object. The pump body of the existing high-pressure cleaning machine includes a pump head, one connection port of the pump head is connected to the high-pressure water gun, and the other connection port of the pump head is connected to the overflow valve, and the valve stem of the overflow valve is connected to the travel switch. When the machine is powered off, if a slight l...
Claims
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IPC IPC(8): F04B53/10F04B53/16F04B49/03
CPCF04B49/03F04B53/10F04B53/16
Inventor 艾伦·桑德
Owner 香港尚德-富佑捷有限公司