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Steel crown and aluminium skirt piston

A technology of piston and steel top, applied in the field of steel top aluminum skirt piston, can solve the problems of low strength and high cost of piston, and achieve the effect of high strength and low cost

Inactive Publication Date: 2013-04-03
DALIAN BINCHENG PISTON MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the small-sized pistons in the prior art are all-aluminum pistons, which have high cost and low strength, and cannot meet the requirements of continuous work in the environment of burning heavy oil and high explosive pressure

Method used

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  • Steel crown and aluminium skirt piston

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Embodiment Construction

[0010] Such as figure 1 As shown, the steel-top aluminum skirt piston includes piston top 1, piston skirt 2, pressure block 4 and bushing 6, and the bolt 3 between piston top 1 and piston skirt 2 is tightened with pressure block 4 through the bolt 3 of piston top 2 itself. The bushing 6 is arranged on the bolt 3 and the pressure block 4, the piston top 1 and the piston skirt 2 are connected with an elastic cylindrical pin 5, and an O-shaped sealing ring 7 is arranged between the piston top 1 and the piston skirt 2. The steel top aluminum skirt of the present invention The piston replaces the small-sized all-aluminum piston, which makes the cost lower and the strength higher, and can work continuously in the environment of burning heavy oil and high explosion pressure.

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PUM

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Abstract

The invention discloses a steel crown and aluminium skirt piston, which comprises a piston crown (1), a piston skirt (2), a press block (4) and sleeves (6). The piston crown (1) and the piston skirt (2) are fastened by the press block (4) through a bolt (3) of a piston crown (2), and the sleeves (6) are arranged on the bolt (3) and the press cake (4). The steel crown and aluminium skirt piston replaces the full aluminum piston in same specification, so that the cost is lower and the strength is higher, and the steel crown and aluminium skirt piston can work continuously under heavy oil combusting environments at high explosion pressure.

Description

technical field [0001] The invention relates to a steel top aluminum skirt piston. Background technique [0002] Most of the small-sized pistons in the prior art are all-aluminum pistons, which have high cost and low strength, and cannot meet the requirements of continuous work in the environment of burning heavy oil and high explosive pressure. Contents of the invention [0003] The object of the present invention is to provide a steel top aluminum skirt piston with low cost and high strength. [0004] The technical solution adopted by the present invention to achieve the above purpose is: a steel top aluminum skirt piston, including piston top (1), piston skirt (2), pressure block (4) and bushing (6), the piston top (1) and the piston skirt (2) are tightened by the bolt (3) of the piston crown (2) itself with a pressure block (4), and the bushing (6) is arranged between the bolt (3) and the pressure block (4) )superior. [0005] The piston top (1) and the piston skirt...

Claims

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Application Information

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IPC IPC(8): F16J1/00F16J1/04F16J15/06
Inventor 王景亮
Owner DALIAN BINCHENG PISTON MFG
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