A small high-pressure plunger high-pressure water pump based on a dual-degree-of-freedom motor
A high-pressure water pump and degree-of-freedom technology, which is applied to the components, pumps, and pump elements of pumping devices for elastic fluids, and can solve problems such as inability to generate pressure, difficulty in manufacturing gear pumps and worm pumps, and difficulty in miniaturization. , to reduce costs, improve efficiency, and simplify the design of components
Active Publication Date: 2021-03-02
ZHEJIANG UNIV CITY COLLEGE
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Problems solved by technology
Ordinary vane pumps use the motor to drive the shaft and impeller to achieve the function of drainage, so the pump body of ordinary vane pumps cannot generate ideal pressure
Traditional positive displacement water pumps rely on volume changes to periodically absorb and discharge liquids over and over again. Because of structural defects, gear pumps and worm pumps are difficult to make into high-pressure water pumps.
Although the plunger pump can be made into a high-pressure water pump, the structure of the traditional plunger water pump is complicated and it is difficult to realize miniaturization
Method used
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[0024]The present invention will be further explained below in conjunction with the accompanying drawings. It should be understood that the various embodiments mentioned in this article are only exemplary and do not limit the scope of the scope of the patent. Considering the convenience of the mechanical / electromechanical structure described in the various embodiments of this patent, the generally referred to as "upper", "lower", "left" or "right" are indicated according to the directions or positions depicted in the drawings. In order to better reflect the various embodiments, the viewing angle of the mechanical / electromechanical structures shown in each figure is the best, and it is also possible to separately depict each detailed component. Sometimes, the orientation "front" or "rear" refers to defining the placement of these parts from the perspective of observing the drawings.
[0025]In general, the compact high-pressure water pump of the present invention mainly includes a dual-...
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The invention discloses a high-pressure plunger two-dimensional (2D) water pump based on a two-degree-of-freedom motor control type. The high-pressure water pump comprises a two-degree-of-freedom motor providing power and a water pump, wherein the water pump comprises a rotor pump core, a pump shell, an end cover and a two-degree-of-freedom (rotation and axial direction) movement mechanism. The high-pressure water pump has the beneficial effects that the pump core and a plunger are designed to be integrated, self-balancing flow is directly realized by means of rotation and sliding of the pumpcore, when the pump core rotates by one circle, a piston reciprocates twice, and water is sucked and discharged four times; when rectangular grooves in the piston communicate correspondingly with water suction holes and water discharge holes periodically, the volume of a cavity communicating with the water suction holes is gradually increased, so that water suction is carried out, and the volume of a cavity communicating with the discharge holes is gradually reduced, so that water discharge is carried out; and miniaturization is realized, and the cost is reduced on the premise that pressure and flow are ensured.
Description
Technical field[0001]The invention relates to a plunger water pump, in particular to a small high-pressure plunger high-pressure water pump based on a double-degree-of-freedom motor.Background technique[0002]A water pump is a machine that transports liquids or pressurizes liquids. It transfers the mechanical energy of the prime mover or other external energy to the liquid to increase the energy of the liquid. It is mainly used to transport liquids including water, oil, acid and alkali liquids, emulsions, suspoemulsions and liquid metals, etc. It can also transport liquids and gas mixtures. And liquids containing suspended solids.[0003]According to different working principles, water pumps can be divided into volumetric water pumps, centrifugal pumps and other types. Positive displacement pumps use changes in their working volume to transfer energy. There are plunger pumps, gear pumps, and worm pumps. Centrifugal pumps use the interaction between rotating blades and water to transfer...
Claims
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IPC IPC(8): F04B17/03F04B53/14F04B53/16F04B19/20
CPCF04B17/03F04B19/20F04B53/14F04B53/16
Inventor 左强纪乾邵威刘丽
Owner ZHEJIANG UNIV CITY COLLEGE