Three-helical gear oil pump

A technology of gear machines and oil pumps, which is applied to lubricating pumps, mechanical equipment, engine components, etc. It can solve the problems of small oil flow, affect engine operation and power, and low lubrication efficiency, so as to prolong service life, reduce noise and oil pressure fluctuations, the effect of improving safety and reliability

Inactive Publication Date: 2011-04-06
HUNAN OIL PUMP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] There is an existing improved engine with speed increase and capacity expansion, which needs to increase the oil flow and lubrication efficiency. However, the existing two gear oil pumps have the disadvantages of small oil flow and low lubrication efficiency, which cannot meet the needs of this speed increase and capacity expansion improvement. The lubrication requirements of the engine affect the normal operation and power of the engine

Method used

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Examples

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Embodiment Construction

[0012] Such as Figure 1-3 Shown: a three-helical gear oil pump, including pump body 1, pump cover 2, driving gear shaft 3, intermediate gear shaft 4, driven gear shaft 5, driving gear 6, idler gear 7, idler shaft 8 and cylindrical rolling bearing 9. The first oil outlet chamber 11 and the second oil outlet chamber 14 are provided on the joint surface of the pump body 1, and the inside of the pump body 1 is provided with an oil inlet 16 and an oil inlet passage 15 connected thereto. Two paths lead to oil, one leads to the first oil inlet chamber 12, and the second path bypasses the oil inlet passage 15 to the second oil inlet chamber 13 on the rear side of the gear. The pump body 1 is also provided with a driving gear shaft 3, The intermediate gear shaft 4, the driven gear shaft 5 and the idler shaft hole 8 holes; the pump cover 2 is fastened and installed on the pump body 1, and the casing is provided with the driving gear shaft 3, the intermediate gear shaft 4 and the driven...

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Abstract

The invention discloses a three-helical gear oil pump, which comprises a pump body 1, a pump cover 2, a driving gear shaft 3, a medium gear shaft 4, a driven gear shaft 5, a driving gear 6, an idle gear 7, an idle gear shaft 8 and a cylindrical roller bearing 9, wherein the driving gear shaft 3 is arranged in a shaft hole of the pump body 1 and the pump cover 2; the outer end of the driving gear shaft 3 is provided with the driving gear 6; the medium gear shaft 4 is arranged in a shaft hole at the middle position of the pump body 1 and the pump cover 2; the driven gear shaft 5 is arranged in a driven shaft hole at the other end of the pump body and the pump cover; the idle gear shaft 8 is arranged in the cylindrical roller bearing 9 in an idle gear shaft hole, and the outer end of the shaft is provided with the idle gear 7; and the idle gear 7 and the driving gear drive three gears of the oil pump to be responsible for normal rotation of the oil pump and supply of stable-pressure lubricating oil to an engine. The three-helical gear oil pump improves the lubricating property of the engine, reduces the noise of gear transmission and fluctuation of oil pressure, improves the stability and safety of the oil pressure, and prolongs the service life of the engine.

Description

technical field [0001] The invention relates to an engine gear oil pump, in particular to a three-helical gear oil pump. Background technique [0002] There is an existing improved engine with speed increase and capacity expansion, which needs to increase the oil flow and lubrication efficiency. However, the existing two gear oil pumps have the disadvantages of small oil flow and low lubrication efficiency, which cannot meet the needs of this speed increase and capacity expansion improvement. The lubrication requirements of the engine affect the normal operation and power of the engine. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned deficiencies of the prior art, and provide a three-helical gear oil pump with large oil flow rate and high lubricating efficiency, so as to meet the lubricating requirements of the engine with increased speed and expanded capacity. [0004] The technical solution of the present invent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01M1/02F16N13/20
Inventor 许仲秋佘笑梅
Owner HUNAN OIL PUMP
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