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Transfiguration piston pump

A technology of piston pump and piston, which is applied in variable capacity pump components, liquid variable capacity machines, pumps, etc., can solve the problem that the liquid flow rate cannot be changed steplessly, and achieve the effect of being suitable for popularization and application and simple in structure

Inactive Publication Date: 2010-10-13
陶磊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a variable displacement piston pump, which can solve the problem that the liquid flow in the prior art cannot realize stepless change

Method used

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Embodiment Construction

[0042] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0043] Such as figure 1 and figure 2 Shown is a variable displacement piston pump 10 comprising:

[0044] A cylinder 1, the cylinder 1 is a cylindrical body with an inner cavity 1-2, its cross section is as image 3 shown;

[0045] A piston 2, the piston 2 is located in the cylinder 1 and fixedly connected with the connecting rod 3, the piston 2 is located in the center of the connecting rod 3;

[0046] A connecting rod 3, the connecting rod 3 is located in the inner cavity of the cylinder 1-2 and passes through the two ends of the cylinder 1 respectively, the connecting rod 3 is a cylinder and parallel to the inner wall of the cylinder 1- 1;

[0047] An end cover 5, the end cover 5 is connected to the bottom surface of the cylinder body 1 and can rotate relatively with the cylinder body 1, and the end cover 5 and the cylinder b...

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Abstract

The invention discloses a variable volume piston pump, which is characterized in that: the liquid flow can realize a stepless change through a simple structure improvement and changing the effective compression area. The variable volume piston pump has the advantages of simple structure, and is suitable for popularization and application.

Description

technical field [0001] The invention relates to the technical field of hydraulic power systems in machinery, in particular to a variable capacity piston pump with a new structure. Background technique [0002] Most of the existing hydraulic pumps or liquid conveying equipment cannot make the liquid output (or input) flow rate G=c (c is a constant), although the rotary piston can solve this problem, but the structure is more complicated, there are many moving parts, and one of the alternating work There is a step change of G from 0 to c for the piston, and the pressure-bearing boundary of the device is tested by the pressure step response. The published invention patent application (200710013707.6) proposes a method that can make the flow G 总 =c (c is a constant), but cannot solve the problem of making G 总 The subject of infinite change. [0003] The transmission power of the friction wheel made of similar rubber elastic material is not large, and the friction wheel will b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B53/14F04B53/00F04B13/00
Inventor 陶磊
Owner 陶磊
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