Integral internal-discharge-type power steering pump

A power steering pump, the overall technology, applied in the direction of fluid steering mechanism, rotary piston pump, pump, etc., can solve the problems of driver fatigue, poor operation flexibility, large steering torque, etc., and achieve low noise and safety The effect of high, high work pressure

Inactive Publication Date: 2012-02-01
DALIAN HYDRAULIC COMPONENT
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of large steering torque of mechanical steering gear, poor operation flexibility, fatigue and poor safety of the driver during operation, the present invention provides an integral internal leakage steering power pump

Method used

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  • Integral internal-discharge-type power steering pump
  • Integral internal-discharge-type power steering pump

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Embodiment Construction

[0014] The integrated internal leakage power steering pump of the present invention realizes flow control and pressure control on the basis of the working principle of the quantitative pump. The working principle of the quantitative pump is to provide pressure and flow for the steering system. In direct proportion, the higher the speed, the greater the flow. The principle of flow control is to ensure that the flow of the steering pump input into the steering system tends to be constant. Flow control principle: When the oil pumped out of the oil chamber passes through the flow control damping hole, a pressure drop is generated to form a pressure difference. The greater the flow rate through the damping hole, the greater the pressure difference, and the oil at both ends of the damping hole directly acts on the flow control valve. At both ends, when the pressure difference breaks the equilibrium state of the flow control valve, the valve overcomes the spring force and begins to m...

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Abstract

The invention discloses an integral internal-discharge-type power steering pump. One end of a pump body is provided with a pump cover; an oil inlet side plate, a stator and an oil outlet side plate are installed in the pump body; a rotor is sleeved in a stator inner hole; a blade is installed in a rotor slot hole; a shaft and the rotor are connected; a slide valve is installed in the pump body; a spring is installed on the slide valve; the side valve is internally provided with a conical valve; and the conical valve is provided with a spring. According to the integral internal-discharge-type power steering pump, the flow rate control and pressure control are realized on the basis of a quantitative pump principle, the power steering pump has the advantages of high working pressure, less noise, small volume, less possibility of oil leakage, high control flexibility and high safety.

Description

technical field [0001] The invention relates to the field of power-assisted oil pumps for automobile steering systems. Background technique [0002] Automobile steering has been realized by mechanical steering machines for many years. Mechanical steering machines include rack-and-pinion type and recirculating ball type. This type of steering torque is relatively large, and the operation flexibility is poor. The driver is prone to fatigue and poor safety during operation. With the continuous development of our country's economy, the continuous improvement of people's living standards, the increasing demand for driving comfort, and the rapid development of the automobile industry, the heavy-duty models with high-horsepower engines are on the rise, and the steering force is gradually increasing. It cannot meet the development of the automobile industry. The hydraulic power steering system is an effective way to reduce the steering force and reduce the driver's labor intensity. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C2/344F04C14/24B62D5/06
Inventor 王明贤杨国强仲照航郑丽霞
Owner DALIAN HYDRAULIC COMPONENT
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