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Pump cover capable of installing safety valve

A safety valve and pump cover technology, which is applied to the components of the pumping device for elastic fluids, pump components, variable displacement pump components, etc. Volume reduction effect

Inactive Publication Date: 2018-06-12
南京创新机油泵制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the oil pump is used as the pump for the delivery of lubricating oil of the engine. When it is working, it will generate a large pressure. Due to various reasons, the pressure in the pump will be too large. In order to prevent the damage of the pump body caused by the excessive pressure, And cause other accidents, a safety valve is usually installed on the pump body. When the pressure in the pump is too large, the safety valve opens, and the oil in the pump is discharged through the safety valve. The current safety valve is generally manufactured separately, and then installed in the On the pump body, the structure of the oil pump is complicated and maintenance is inconvenient

Method used

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  • Pump cover capable of installing safety valve
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Embodiment 1

[0013] refer to figure 1 and figure 2 , a pump cover capable of installing a safety valve, the pump cover includes a flat body 10, the body includes an inner surface for covering on the pump body, the body is provided with a shaft hole 19, an oil outlet 13. The shaft hole 19 runs through the body 10, and an oil inlet chamber 18 and an oil outlet chamber 11 are arranged on the inner surface of the body, and the oil inlet chamber 18 and the oil outlet chamber 11 are arranged oppositely; A safety valve body 15 is arranged on the side, and the safety valve body is integrally formed with the body. A spring mounting hole 16 is opened in the safety valve body. One end of the spring mounting hole extends out of the safety valve body, and the other end of the spring mounting hole faces into the body. Extend and continuously form the valve ball section 22 and the inlet section 21, the spring installation hole 16, the valve ball section 22 and the inlet section 21 form a cavity for ins...

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Abstract

The invention discloses a pump cover capable of installing a safety valve. The pump cover comprises a body in a shape of a flat plate. The body comprises an internal surface used for covering the pumpbody, the body is provided with a shaft hole and an oil outlet hole, the shaft hole penetrates the body, and the internal surface of the body is provided with an oil inlet cavity and an oil outlet cavity. The side face, perpendicular to the internal surface, of the body is provided with a safety valve body, the safety valve body and the body are integrally formed, a spring installation hole is formed in the safety valve body, one end of the spring installation hole stretches out of the safety valve body, the other end of the spring installation hole extends into the body and continues forminga valve ball section and an inlet section, and the spring installation hole, the valve ball section and the inlet section form a cavity used for installing a safety valve component. The oil outlet hole penetrates the oil outlet cavity and communicates with the inlet section. The valve ball section is provided with an oil leakage hole leading to the exterior of the body. The body and the safety valve body of the pump cover are integrally formed, the installation surface of equipment is reduced, and the installation precision of the safety valve is improved.

Description

technical field [0001] The invention relates to a pump cover of an oil pump, in particular to a pump cover capable of installing a safety valve. Background technique [0002] At present, the oil pump is used as the pump for the delivery of lubricating oil of the engine. When it is working, it will generate a large pressure. Due to various reasons, the pressure in the pump will be too large. In order to prevent the damage of the pump body caused by the excessive pressure, And cause other accidents, a safety valve is usually installed on the pump body. When the pressure in the pump is too large, the safety valve opens, and the oil in the pump is discharged through the safety valve. The current safety valve is generally manufactured separately, and then installed in the On the pump body, the structure of the oil pump is complicated and maintenance is inconvenient. Contents of the invention [0003] In order to solve the above problems, the present invention proposes a pump c...

Claims

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Application Information

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IPC IPC(8): F04B53/16F04B53/10
CPCF04B53/16F04B53/10
Inventor 史祥龙童建史忠来
Owner 南京创新机油泵制造有限公司
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