A common oil-water plunger pump

A general-purpose, plunger pump technology, applied to pumps, parts of pumping devices for elastic fluids, multi-cylinder pumps, etc., can solve the problems of large volume and weight of the whole machine, substandard pressure, complex structure, etc. Achieve easy maintenance, direct friction avoidance, and small size

Active Publication Date: 2018-07-20
徐州恒佳机械科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, some existing pressure pumps that use water as the pressure medium have the following disadvantages: complex structure, inconvenient maintenance, substandard pressure, insufficient flow or too large volume and weight of the whole machine, inconvenient to move, and poor versatility

Method used

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  • A common oil-water plunger pump
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  • A common oil-water plunger pump

Examples

Experimental program
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Embodiment Construction

[0021] The present invention will be further described below in conjunction with accompanying drawing.

[0022] Such as Figure 1 to Figure 7As shown, an oil-water universal plunger pump includes a main shaft 1 and a plunger pressure module 2. The main shaft 1 is equipped with an upper cover plate 3, a middle plate 4 and a lower cover plate 5 sequentially from top to bottom. The main shaft 1, the upper cover plate 3 and the lower cover plate 5 are equipped with a bearing 6, and the center area of ​​the middle plate 4 is provided with a through hole 7 whose inner diameter is greater than the outer diameter of the main shaft 1; the upper cover plate 3, the middle plate 4 and the lower cover plate 5 are respectively provided with an annular cavity 1 8, an annular cavity 2 9 and an annular cavity 3 10 surrounding the main shaft 1, and the upper cover 3 is provided with a pressure oil that communicates with the outside and the annular cavity 1 8 Passage one 11, the middle plate is...

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PUM

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Abstract

The invention provides an oil-water convertible plunger pump. An upper cover plate (3), a middle plate (4) and a lower cover plate (5) that are provided with a first annular cavity (8), a second annular cavity (9) and a third annular cavity (10), respectively, are mounted outside a main shaft. A plurality of plunger pressure modules (2) are arranged between the upper cover plate (3) and the middle plate (4), and the lower cover plate (5) and the middle plate (4), respectively. Each plunger pressure module (2) consists essentially of a valve block (14), a plunger (16), a suction one-way valve (17), and a discharge one-way valve (18). An oil outlet end of the discharge one-way valve (18) communicates with the first annular cavity (8) and the third annular cavity (10), and the suction one-way valve (17) communicates with the second annular cavity (9). A cam for rotatory impaction on the plunger (16) is assembled on the main shaft (1). The pump is high in pressure and large in flow. The pump is simple in structure, convenient to maintain, high in pressure, large in flow, small in overall size and low in overall weight, convenient to move, and good in universality.

Description

technical field [0001] The invention relates to the technical field of plunger pumps, in particular to an oil-water universal plunger pump. Background technique [0002] Hydraulic pumps, as the core power components of hydraulic systems, are widely used in many occasions, including gear pumps, vane pumps, and plunger pumps. The pressure medium used is mostly hydraulic oil. In actual construction / production, in order to improve construction production efficiency, reduce construction costs and prevent pollution, it is often necessary to use water or emulsion as a pressure medium. However, the few existing pressure pumps that can use water as the pressure medium have the following disadvantages: complex structure, inconvenient maintenance, substandard pressure, insufficient flow or too large volume and weight of the whole machine, inconvenient to move, and poor versatility. Contents of the invention [0003] Aiming at the problems existing in the above-mentioned prior art, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B1/047F04B1/06F04B53/00F04B53/14F04B53/10
CPCF04B1/0404F04B1/0408F04B1/0413F04B1/0452F04B1/0472F04B1/0474F04B1/06
Inventor 张颖琳邹永德顾新泽顾文林管晓峰
Owner 徐州恒佳机械科技有限公司
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