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Scraper ring

A technology of oil scraping ring and oil storage cavity, which is used in liquid variable volume machinery, variable volume pump components, machines/engines, etc., can solve the problems of lubricating oil backflow, incomplete oil scraping, oil leakage, etc. The effect of oil content, ensuring purity, and avoiding oil leakage

Inactive Publication Date: 2013-10-09
SUZHOU TIANHUA NONFERROUS METAL PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the oil return groove runs through the inner and outer sides of the oil scraper ring. When the air compressor is running, the oil scraper ring scrapes oil on the piston rod or piston, and the scraped lubricating oil falls into the oil return groove. The ring will also rotate, causing the lubricating oil in the oil return tank to flow back, which will not only cause incomplete oil scraping, cannot guarantee the purity of the gas, but also cause oil leakage, affecting the normal operation of the machine

Method used

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  • Scraper ring

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Embodiment Construction

[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0014] attached figure 1 It is an oil scraper ring according to the present invention, which includes an oil scraper ring body 1 and an oil storage chamber 5; the oil scraper ring body 1 is circular; a circular hole 6 is arranged inside the oil scraper ring body 1; The circular hole 6 is used to install on the piston rod; the upper surface of the oil scraper ring body 1 is provided with an oil storage tank 2; the inner top of the oil storage tank 2 and the inner top of the oil scraper ring body 1 A slope 3 is provided; and the inner top of the oil scraping ring body 1 is higher than the inner top of the oil storage tank 2; communication; the height of the oil storage chamber 5 is lower than that of the oil storage tank 2; the bottom surface of the oil storage tank 2 is inclined toward the direction of the oil storage chamber 5.

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PUM

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Abstract

The invention discloses a scraper ring which comprises a scraper ring body and an oil storage cavity. The scraper ring body is round, a round hole is formed inside the scraper ring body, an oil storage tank is formed in the upper surface of the scraper ring body, an inclined plane is arranged between the top portion of the inner side of the oil storage tank and the top portion of the inner side of the scraper ring, the top portion of the inner side of the scraper ring is higher than the top portion of the inner side of the oil storage tank, the oil storage cavity is arranged inside the scraper ring body, and the oil storage cavity is communicated with the bottom of the oil storage tank. According to the scraper ring, the oil storage tank and the oil storage cavity are formed in the scraper ring body, the height of the oil storage cavity is smaller than the height of the oil storage tank, and the oil storage cavity is communicated with the bottom of the oil storage tank. When the scraper ring is used, lubricating oil which is scraped down first enters the oil storage tank and then enters the oil storage cavity. By means of the scraper ring, the lubricating oil is prevented from flowing back effectively, the phenomenon of oil leak is avoided, the purity degree of gas is guaranteed, and oil content in the gas is reduced.

Description

technical field [0001] The invention relates to an improvement of an oil scraping ring, in particular to an oil scraping ring capable of preventing lubricating oil from backflowing. Background technique [0002] In the piston air compressor, in order to ensure that the compressed gas has less oil content and high purity, several oil wiper rings are placed on the piston rod and piston. The existing oil scraping ring is in the shape of a ring, and oil return grooves are evenly distributed on the circumference of the oil scraping ring. Moreover, the oil return groove runs through the inner and outer sides of the oil scraper ring. When the air compressor is running, the oil scraper ring scrapes oil on the piston rod or piston, and the scraped lubricating oil falls into the oil return groove. The ring will also rotate, causing the lubricating oil in the oil return tank to backflow, which will not only cause incomplete oil scraping, cannot guarantee the purity of the gas, but als...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B39/04
Inventor 林喜桂
Owner SUZHOU TIANHUA NONFERROUS METAL PROD