Powder metallurgical planetary gear for high-power starter

A technology of powder metallurgy and planetary gear, applied in the direction of belt/chain/gear, mechanical equipment, components with teeth, etc., can solve the problem of insufficient pull-out force of planetary gear bearings, and achieve the effect of improving pull-out force and avoiding pull-out

Inactive Publication Date: 2015-01-07
常熟市华德粉末冶金有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a powder metallurgy planetary gear used for a high-power starter to solve the technical problem of insufficient pull-out force of the current planetary gear bearing

Method used

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  • Powder metallurgical planetary gear for high-power starter
  • Powder metallurgical planetary gear for high-power starter

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Embodiment Construction

[0011] figure 1 Shown is a schematic diagram of a planetary gear according to a preferred embodiment of the present invention. figure 2 shown as figure 1 Schematic cross-sectional view of area A shown. Please also refer to figure 1 and figure 2 .

[0012] In this embodiment, the powder metallurgy planetary gear used for a high-power starter includes a gear body 1 and a bearing 2, the gear body 1 has a gear inner hole 10, the bearing 2 is arranged in the gear inner hole 10, and the end surface of the gear body 1 passes through The inclined surface 100 and the arc-shaped surface 101 extend to the inner hole wall of the gear, the inclined surface 100 and the arc-shaped surface 101 are continuous, and the arc-shaped surface 101 protrudes from the inner hole wall of the gear by 0.5mm, resisting the edge of the end face of the bearing 2, and blocking the bearing 2 from the inner hole of the gear 10 out.

[0013] In this embodiment, the gear body 1 can smoothly extend the arc...

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Abstract

The invention provides a powder metallurgical planetary gear for a high-power starter. The powder metallurgical planetary gear comprises a gear body and a bearing, the gear body is provided with a gear inner hole, the bearing is arranged in the gear inner hole, the end face of the gear body extends to the wall of the gear inner hole through a inclined surface and a cambered surface which are continuous, and the cambered surface projects over the wall of the gear inner hole and is abutted to the edge of the end face of the bearing to stop the bearing from leaving the gear inner hole. The planetary gear solves the problem of insufficient pullout force of a bearing of a planetary gear in the prior art.

Description

technical field [0001] The invention relates to a planetary gear, in particular to a powder metallurgy planetary gear for a high-power starter. Background technique [0002] At present, commonly used automobile engines are mainly divided into diesel engines and gasoline engines according to different fuels. Diesel engines have the following advantages and disadvantages: After the diesel engine is injected with fuel, it takes a certain amount of time to burn, so it is suitable for the fuel to be fully burned at a low speed, thereby bringing high torque. However, in order to resist the high pressure and high torque in the cylinder, the cylinder of the diesel engine Parts such as connecting rods and pistons are stronger than gasoline engines, so diesel engines are more bulky than gasoline engines. However, it is precisely because of the high compression ratio and low speed of the diesel engine that it can better convert heat into kinetic energy, so the diesel engine has better...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H55/17
CPCF16H55/17
Inventor 邹德华刘子利刘希琴陆贤文徐庆峰邹育文钱杭君
Owner 常熟市华德粉末冶金有限公司
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