CN111173642A - Piston ring with good sealing effect - Google Patents

Piston ring with good sealing effect Download PDF

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Publication number
CN111173642A
CN111173642A CN201811341980.6A CN201811341980A CN111173642A CN 111173642 A CN111173642 A CN 111173642A CN 201811341980 A CN201811341980 A CN 201811341980A CN 111173642 A CN111173642 A CN 111173642A
Authority
CN
China
Prior art keywords
layer
piston ring
resistant layer
coating
corrosion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811341980.6A
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Chinese (zh)
Inventor
石远兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yizheng Double Piston Ring Co ltd
Original Assignee
Yizheng Double Piston Ring Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yizheng Double Piston Ring Co ltd filed Critical Yizheng Double Piston Ring Co ltd
Priority to CN201811341980.6A priority Critical patent/CN111173642A/en
Publication of CN111173642A publication Critical patent/CN111173642A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J9/00Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/26Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction characterised by the use of particular materials

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

The invention discloses a piston ring with a good sealing effect, which comprises a body, wherein the body comprises a wear-resistant layer, an anti-corrosion layer, an elastic layer, a cold-resistant layer and a heat-resistant layer, the anti-corrosion layer is positioned at the lower part of the wear-resistant layer, the elastic layer is positioned at the lower part of the anti-corrosion layer, the cold-resistant layer is positioned at the lower part of the elastic layer, the heat-resistant layer is positioned at the lower part of the cold-resistant layer, the surface of the body is coated with an anti-corrosion coating, the surface of the anti-corrosion coating is coated with an anti-friction coating, the wear-resistant layer is made of gray cast iron, the anti-corrosion layer is made of polytetrafluoroethylene, the elastic layer is made of beryllium bronze, the cold-resistant layer is made of aluminum alloy, the heat-resistant layer is made of titanium alloy, the anti-. According to the invention, through the mutual matching of the body, the wear-resistant layer, the anti-corrosion layer, the anti-rust coating and the antifriction coating, the problem of poor sealing effect caused by easy abrasion of the existing piston ring is solved.

Description

Piston ring with good sealing effect
Technical Field
The invention relates to the technical field of piston rings, in particular to a piston ring with a good sealing effect.
Background
Piston rings (Piston Ring) are metal rings used to be embedded inside the Piston groove and are divided into two categories: the compression ring can be used for sealing combustible mixed gas in the combustion chamber; the oil ring is used for scraping redundant oil on a cylinder, the piston ring is a metal elastic ring with large outward expansion deformation, the metal elastic ring is assembled in a section corresponding to the annular groove, the reciprocating and rotating piston ring forms sealing between the outer circular surface of the ring and the cylinder and one side surface of the ring and the annular groove by means of pressure difference of gas or liquid, but the existing piston ring is easy to wear, so that the sealing effect is poor, and therefore, the piston ring with good sealing effect is provided.
Disclosure of Invention
The invention aims to provide a piston ring with good sealing effect, which has the advantage of good sealing effect and solves the problem that the existing piston ring is easy to wear and causes poor sealing effect.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a piston ring that sealed effectual, includes the body, the body is including wearing layer, anti-corrosion coating, elastic layer, cold-resistant layer and heat-resistant layer, anti-corrosion coating is located the lower part of wearing layer, the elastic layer is located the lower part of anti-corrosion coating, cold-resistant layer is located the lower part of elastic layer, the heat-resistant layer is located the lower part of cold-resistant layer, the surface coating of body is equipped with anti-rust coating, anti-rust coating's surface coating is equipped with antifriction coating.
Preferably, the wear-resistant layer is made of gray cast iron, and the anti-corrosion layer is made of polytetrafluoroethylene.
Preferably, the elastic layer is made of beryllium bronze, and the cold-resistant layer is made of aluminum alloy.
Preferably, the material of the heat-resistant layer is titanium alloy.
Preferably, the antirust coating is made of iron oxide red phenolic paint, and the antifriction coating is made of a dry film lubricant.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through mutual matching of the wear-resistant layer, the anti-corrosion layer, the anti-rust coating and the antifriction coating, the wear-resistant effect of the piston ring is improved by using the wear-resistant layer, the piston ring is prevented from being worn for a long time, the friction between the piston ring and an object in use is reduced by using the antifriction coating, the wear is reduced, the corrosion damage of the piston ring in an oil pollution environment is prevented by using the anti-corrosion layer, the contact oxidation damage of the piston ring and air is prevented by using the anti-corrosion coating, the damage of the piston ring is reduced from multiple aspects, the damage of the piston ring can be avoided, so that the piston ring always has a good sealing effect.
2. According to the invention, the elastic layer, the cold-resistant layer and the heat-resistant layer are matched with each other, the elasticity of the piston ring is improved by the elastic layer, the piston ring is prevented from being broken and damaged in the use process, the cold-resistant effect of the piston ring is improved by the cold-resistant layer, the piston ring cannot be easily damaged in a cold environment, the heat resistance of the piston ring is improved by the heat-resistant layer, and the piston ring is prevented from deforming in a high-temperature environment to cause poor sealing property.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the main body according to the present invention;
FIG. 3 is a schematic view of the coating structure of the body of the present invention.
In the figure: 1 body, 101 wear-resistant layer, 102 anti-corrosion layer, 103 elastic layer, 104 cold-resistant layer, 105 heat-resistant layer, 2 anti-rust coating and 3 antifriction coating.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a piston ring with good sealing effect includes a body 1, the body 1 includes a wear layer 101, an anti-corrosion layer 102, an elastic layer 103, a cold-resistant layer 104 and a heat-resistant layer 105, the anti-corrosion layer 102 is located at the lower portion of the wear layer 101, the wear layer 101 is made of gray cast iron, the anti-corrosion layer 102 is made of polytetrafluoroethylene, the elastic layer 103 is located at the lower portion of the anti-corrosion layer 102, the cold-resistant layer 104 is located at the lower portion of the elastic layer 103, the elastic layer 103 is made of beryllium bronze, the cold-resistant layer 104 is made of aluminum alloy, the heat-resistant layer 105 is located at the lower portion of the cold-resistant layer 104, the elasticity of the piston ring is improved by the elastic layer 103, the piston ring is prevented from being broken and damaged in the using process, the cold-resistant layer 104 is used for improving the cold-resistant effect of the piston ring, the piston ring is not easily damaged in a cold environment, the, the material of heat-resistant layer 105 is the titanium alloy, body 1's surface is scribbled and is equipped with anti rust coating 2, anti rust coating 2's surface is scribbled and is equipped with antifriction coating 3, utilize wearing layer 101 to improve the wear-resisting effect of piston ring, prevent the long-time wearing and tearing of piston ring, utilize friction between antifriction coating 3 reduction use time piston ring and the object, reduce wearing and tearing, utilize anti-corrosion coating 102 to prevent that the piston ring from corrosion damage under the greasy dirt environment, utilize anti rust coating 2 to prevent piston ring and air contact oxidation damage, reduce the piston ring from multiple aspects and damage, can avoid the piston ring to damage, thereby let the piston ring all have good sealed effect always, anti rust coating 2's material is iron red phenolic varnish, and anti friction coating 3's material is dry film.
When the piston ring is used, the wear-resistant layer 101, the anti-corrosion layer 102, the anti-corrosion coating 2 and the antifriction coating 3 are matched with each other, the wear-resistant effect of the piston ring is improved by using the wear-resistant layer 101, the piston ring is prevented from being worn for a long time, the friction between the piston ring and an object in use is reduced by using the antifriction coating 3, the wear is reduced, the anti-corrosion layer 102 is used for preventing the piston ring from being corroded and damaged in an oil stain environment, the anti-corrosion coating 2 is used for preventing the piston ring from being damaged by contact oxidation with air, the damage of the piston ring is reduced from multiple aspects, the damage of the piston ring can be avoided, so that the piston ring always has a good sealing effect, the problem that the existing piston ring is easy to wear and causes a poor sealing effect is solved, the elasticity of the piston ring is improved by using the elastic layer 103, the cold-, the piston ring is not easily damaged in a cold environment, and the heat resistance of the piston ring is improved by the heat-resistant layer 105, so that the piston ring is prevented from deforming in a high-temperature environment to cause poor sealing performance.
In summary, the following steps: this sealed effectual piston ring mutually supports through body 1, wearing layer 101, anti-corrosion coating 102, anti rust coating 2 and antifriction coating 3, has solved present piston ring easy wearing and tearing, leads to the poor problem of sealed effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a sealed effectual piston ring, includes body (1), its characterized in that: the body (1) is including wearing layer (101), anti-corrosion coating (102), elastic layer (103), cold-resistant layer (104) and heat-resistant layer (105), anti-corrosion coating (102) are located the lower part of wearing layer (101), elastic layer (103) are located the lower part of anti-corrosion coating (102), cold-resistant layer (104) are located the lower part of elastic layer (103), heat-resistant layer (105) are located the lower part of cold-resistant layer (104), the surface coating of body (1) is equipped with anti rust coating (2), the surface coating of anti rust coating (2) is equipped with antifriction coating (3).
2. A piston ring with good sealing effect according to claim 1, wherein: the wear-resistant layer (101) is made of gray cast iron, and the anti-corrosion layer (102) is made of polytetrafluoroethylene.
3. A piston ring with good sealing effect according to claim 1, wherein: the elastic layer (103) is made of beryllium bronze, and the cold-resistant layer (104) is made of aluminum alloy.
4. A piston ring with good sealing effect according to claim 1, wherein: the heat-resistant layer (105) is made of titanium alloy.
5. A piston ring with good sealing effect according to claim 1, wherein: the material of the antirust coating (2) is iron oxide red phenolic paint, and the material of the antifriction coating (3) is dry film lubricant.
CN201811341980.6A 2018-11-12 2018-11-12 Piston ring with good sealing effect Pending CN111173642A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811341980.6A CN111173642A (en) 2018-11-12 2018-11-12 Piston ring with good sealing effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811341980.6A CN111173642A (en) 2018-11-12 2018-11-12 Piston ring with good sealing effect

Publications (1)

Publication Number Publication Date
CN111173642A true CN111173642A (en) 2020-05-19

Family

ID=70646081

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811341980.6A Pending CN111173642A (en) 2018-11-12 2018-11-12 Piston ring with good sealing effect

Country Status (1)

Country Link
CN (1) CN111173642A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111649174A (en) * 2020-06-19 2020-09-11 南京浦裕投资有限公司 Wire harness fixing clamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111649174A (en) * 2020-06-19 2020-09-11 南京浦裕投资有限公司 Wire harness fixing clamp

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20200519