Unlock instant, AI-driven research and patent intelligence for your innovation.

Multi-element penetrating compound layer type sealing ring for compressor

A technology of compound layer and multi-component co-infiltration, which is applied in the field of compressors, can solve problems such as poor connection stability, and achieve the effects of improved service life, good wear resistance and corrosion resistance, and high hardness

Inactive Publication Date: 2018-05-11
CHENGDU ZHONGFU LIXIANG TECH
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the technical problem of poor connection stability caused by the split seal ring of the inner and outer rings in the prior art, provide a multi-component co-infiltration compound layer compressor seal ring, and improve the inner ring and outer ring of the seal ring. Connection stability, improve the sealing performance of the compressor

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Multi-element penetrating compound layer type sealing ring for compressor
  • Multi-element penetrating compound layer type sealing ring for compressor
  • Multi-element penetrating compound layer type sealing ring for compressor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A multi-component co-infiltrated compound layer compressor sealing ring includes a body. The body includes a main sealing ring and an inner auxiliary sealing ring that are used in combination and are of the same height. The inner auxiliary sealing ring is installed in the main sealing ring through a ring-shaped alloy lock. There are broken grooves on the ring bodies of the main seal ring and the inner auxiliary seal ring, through which gaps are formed on the ring bodies of the main seal ring and the inner auxiliary seal ring, so that the main seal ring and the inner auxiliary seal ring can be easily During installation, the notch on the ring body of the main sealing ring and the notch on the ring body of the inner secondary sealing ring are misaligned with each other, so as to ensure that the sealing performance of the sealing ring will not be affected by the notch on the ring body. Since the main seal ring and the inner auxiliary seal ring are assembled in a split struc...

Embodiment 2

[0025] On the basis of Embodiment 1, the body has a first end face and a second end face, the first end face and the second end face are arranged opposite to the axial direction of the body, and the first end face and / or the second end face are provided with A circumferentially extending annular recess.

[0026] During the use of the seal ring, the seal ring is installed on the piston. During the loading or unloading process of the compressor, the pressure of oil pressure or air pressure acts on the annular concave part, and the seal ring is attached to the inner wall of the cylinder through the pressure. On the top and the piston assembly, when installing the seal ring, it is not necessary to make the pre-tightening amount between the piston assembly and the cylinder body of the screw compressor too large, and a good seal can be achieved through pressure. At the same time, after the seal ring is worn, The remaining part of the sealing ring is repaired to the worn position und...

Embodiment 3

[0028] On the basis of Embodiment 2, the part of the body located outside the annular recess along the radial direction of the seal ring is the sealing lip, the part of the body located inside the annular recess along the radial direction of the seal ring is the seal sleeve, and the part of the body located on the seal lip The part between the part and the sealing sleeve part is the connecting part. Preferably, the distance that the sealing lip extends in the radial direction of the sealing ring is a first distance, the distance that the sealing lip extends in the axial direction of the sealing ring is a second distance, and the first distance is less than or equal to 0.4 times the second distance. The first distance is the thickness of the sealing lip, and the second distance is the width of the sealing lip. In this way, the ratio of thickness to width of the sealing lip is set to ensure the sealing requirement. The annular recess is provided with a bottom wall and two opposi...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a multi-element penetrating compound layer type sealing ring for a compressor, belongs to the technical field of sealing rings, and aims at solving the technical problem of lowconnecting stability caused by inner ring and outer ring splitting type sealing ring in the prior art. The multi-element penetrating compound layer type sealing ring for the compressor is capable ofimproving the connecting stability of an inner ring and an outer ring, as well as improving the sealing performance of the compressor. The sealing ring comprises a sealing ring body, wherein the sealing ring body comprises a main sealing ring and an inner secondary sealing ring which are combined to use and have the same height; the inner secondary sealing ring is mounted into the main sealing ring through an annular alloy lock buckle; a main bump and a reverse secondary bump are arranged at the outer side of the annular alloy lock buckle; a bearing groove and a limiting boss are arranged at the inner side of the annular alloy lock buckle; bearing grooves which fit the main bump and the reverse secondary bump of the annular alloy lock buckle are formed in an outer clamping bump of the inner secondary sealing ring; a limiting groove fitting the limiting boss is formed in the outer clamping edge of the main sealing ring.

Description

technical field [0001] The invention relates to the technical field of compressors, in particular to a sealing ring structure in a compressor. Background technique [0002] In a reciprocating compressor, a sealing ring is usually installed on the piston, and the sealing ring is used to seal the gap between the piston and the mirror surface of the cylinder, which mainly plays a sealing role. The existing sealing ring mainly has two problems of difficult installation, excessive wear and poor sealing performance. [0003] The problem of excessive wear of the sealing ring is to a certain extent determined by the improper selection of the sealing ring. For the same metal material to be worn, different media have different wear factors for the filled PTFE ring of the same formula. ; For the same medium, different grinding metal materials have different wear factors for the same formulation of filled PTFE rings. [0004] Regarding the tightness of the sealing ring, if the outer e...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): F04B39/00
CPCF04B39/00
Inventor 彭云杰李国
Owner CHENGDU ZHONGFU LIXIANG TECH