CN214330768U - High-toughness wear-resistant automobile piston ring - Google Patents
High-toughness wear-resistant automobile piston ring Download PDFInfo
- Publication number
- CN214330768U CN214330768U CN202120498930.XU CN202120498930U CN214330768U CN 214330768 U CN214330768 U CN 214330768U CN 202120498930 U CN202120498930 U CN 202120498930U CN 214330768 U CN214330768 U CN 214330768U
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- Prior art keywords
- piston ring
- cold
- ring body
- resistant layer
- main part
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 239000000919 ceramic Substances 0.000 claims abstract description 27
- 229910000599 Cr alloy Inorganic materials 0.000 claims abstract description 7
- 239000000788 chromium alloy Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 abstract description 13
- 239000002245 particle Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model relates to the technical field of auto-parts, especially a wear-resisting type car piston ring of high tenacity, including the piston ring body, the piston ring body includes cold-work mould steel main part, ceramic wearing layer and heat-resistant layer, the ceramic wearing layer is located the cold-work mould steel main part outside, the heat-resistant layer is located the inboard and the side of cold-work mould steel, the card hole has all been seted up at cold-work mould steel main part top surface both ends. The utility model has the advantages that: through using cold-work die steel as the main part of piston ring, wherein the material of cold-work die steel is 7Cr7Mo2V2Si, make whole piston ring body have higher toughness, set up ceramic wearing layer in the outside of cold-work die steel main part simultaneously, can promote the wear resistance of whole piston ring body, and set up heat-resistant layer in the inboard and the side of cold-work die steel main part, wherein the material of heat-resistant layer is chromium alloy, the life and the wear resistance of whole piston ring body have been increased to a great extent.
Description
Technical Field
The utility model relates to the technical field of auto-parts, especially a wear-resisting type car piston ring of high tenacity.
Background
The piston ring is used for imbedding the inside becket of piston slot, and the piston ring divide into two kinds: a compression ring and an oil ring. The compression ring can be used for sealing the combustible mixed gas in the combustion chamber; the oil ring is used to scrape off the excessive oil on the cylinder.
The piston ring is a metal elastic ring having a large outward expansion deformation, which is fitted into a ring groove having a cross section corresponding thereto. Reciprocating and rotating piston rings, which form a seal between the outer circumferential surface of the ring and the cylinder and one side surface of the ring and the ring groove by means of a pressure difference of gas or liquid, are generally cast, ground, heat-treated, ground from steel or cast iron to form a ring-shaped body, and piston rings are currently used. When in use, because friction often occurs, the piston ring is deformed and even broken due to the friction, so that the sealing performance is directly influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a wear-resisting type car piston ring of high tenacity, effectively solved prior art not enough.
The purpose of the utility model is realized through the following technical scheme: a high-toughness wear-resistant automobile piston ring comprises a piston ring body;
the piston ring body comprises a cold-work die steel main body, a ceramic wear-resistant layer and a heat-resistant layer, wherein the ceramic wear-resistant layer is located on the outer side of the cold-work die steel main body, the heat-resistant layer is located on the inner side and the side face of the cold-work die steel, clamping holes are formed in the two ends of the top face of the cold-work die steel main body, clamping columns are clamped in the clamping holes, and the clamping columns are clamped with the piston body.
Optionally, the cold-work die steel main part be the material of 7Cr7Mo2V2Si, the particle size of ceramic wear layer is not less than ninety meshes, the material of heat-resistant layer is chromium alloy, wherein this kind of material of 7Cr7Mo2V2Si has better toughness, convenience of customers installs and dismantles, the mesh number is great simultaneously, then the particle diameter is less, in manufacturing process, conveniently adhere to it, and chromium alloy has better heat resistance and wear resistance, can increase the life of whole piston ring body to a certain extent.
Optionally, two the internal diameter in card hole all equals with the diameter of card post, two the internal diameter in card hole all is not more than half of piston ring body width, and the two looks joint can be realized to the card hole that the size is suitable and card post, will block after post and other part cooperations installations, can fix the purpose of piston ring body position for the piston ring body when using, the condition of rocking can not appear, guarantees that the position is firm, noise abatement.
The utility model has the advantages of it is following:
1. this wear-resisting type car piston ring of high tenacity, main part as the piston ring through using cold-work die steel, wherein the material of cold-work die steel is 7Cr7Mo2V2Si, make whole piston ring body have higher toughness, set up ceramic wearing layer in the outside of cold-work die steel main part simultaneously, can promote the wear resistance of whole piston ring body, and inboard and the side at cold-work die steel main part set up the heat-resistant layer, wherein the material of heat-resistant layer is chromium alloy, the life and the wear resistance of whole piston ring body have been increased to a great extent.
2. This wear-resisting type car piston ring of high tenacity through seting up the card hole respectively at the both ends of piston ring body top surface, when using, uses the card post to run through the card hole to block post and piston body looks joint, reach the purpose of fixed piston ring body position, make the piston ring body when using, the condition that can not appear rocking guarantees that the position is firm, noise abatement.
Drawings
Fig. 1 is a schematic structural view of a piston ring body of the present invention;
fig. 2 is a schematic view of the assembly structure of the piston ring body of the present invention;
fig. 3 is a schematic sectional view of the piston ring body of the present invention;
fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.
In the figure: 1-piston ring body, 101-cold work die steel main body, 102-ceramic wear-resistant layer, 103-heat-resistant layer, 2-clamping hole, 3-clamping column and 4-piston body.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1 to 4, a high-toughness wear-resistant automobile piston ring comprises a piston ring body 1;
the piston ring body 1 comprises a cold-work die steel main body 101, a ceramic wear-resistant layer 102 and a heat-resistant layer 103, wherein the ceramic wear-resistant layer 102 is positioned on the outer side of the cold-work die steel main body 101, the ceramic wear-resistant layer 102 is processed by using a ball mill during processing, the particle diameter is ensured to meet the requirement, after the ceramic wear-resistant layer 102 is coated externally, the outer surface of the piston ring body 1 is smooth, no part of bulge is generated, the proper thickness of the ceramic wear-resistant layer 102 is ensured, the wear-resistant performance of the piston ring body 1 is better on the basis of convenient installation and disassembly, meanwhile, when the heat-resistant layer 103 is attached, the heat-resistant layer 103 is ensured not to cover the ceramic wear-resistant layer 102, the corresponding performance of each material is ensured, the heat-resistant layer 103 is positioned on the inner side and the side surface of the cold-work die steel 101, both ends of the top surface of the cold-work die steel main body 101 are provided with clamping holes 2, and the clamping columns 3 are clamped inside the two clamping holes 2, two card posts 3 all with 4 looks joints of piston body, wherein the less card hole 2 of internal diameter, guarantee that the structural strength of piston ring body 1 can not receive the influence, wherein when installing card post 3, guarantee card post 3 and 4 looks joints of piston body to reach 3 fixed in position of card post firm purposes, also for clamping between card post 3 and the card hole 2 simultaneously, make card post 3 position firm, can restrict piston ring body 1's position, satisfy the user demand.
As an optional technical solution of the utility model:
the cold-work die steel main part 101 material be 7Cr7Mo2V2Si, ceramic wearing layer 102's particle size is not less than ninety meshes, heat-resistant layer 103's material is chromium alloy, wherein ceramic wearing layer 102 is adding man-hour, use the ball mill to process, guarantee particle diameter satisfies the demands, after covering ceramic wearing layer 102 outward, make piston ring body 1's surface comparatively smooth, part arch can not appear, and guarantee that ceramic wearing layer 102's thickness is suitable, on the basis of easy to assemble and dismantlement, make piston ring body 1's wear resistance better, while when adhering to heat-resistant layer 103, guarantee that heat-resistant layer 103 can not produce the cover to ceramic wearing layer 102, guarantee that each material homoenergetic realizes corresponding performance.
As an optional technical solution of the utility model:
the internal diameter of two card holes 2 all equals with the diameter of card post 3, the internal diameter of two card holes 2 all is not more than half of piston ring body 1 width, wherein the less card hole 2 of internal diameter, guarantee that piston ring body 1's structural strength can not receive the influence, wherein when installing card post 3, guarantee card post 3 and piston body 4 looks joint, in order to reach 3 fixed firm purposes of card post, also for clamping between card post 3 and the card hole 2 simultaneously, make 3 positions of card post firm, can restrict piston ring body 1's position, satisfy the user demand.
The working process of the utility model is as follows: when a user uses the piston ring, the cold-work die steel is used as the main body of the piston ring, wherein the material of the cold-work die steel is 7Cr7Mo2V2Si, so that the whole piston ring body 1 has higher toughness, meanwhile, the ceramic wear-resistant layer 102 is arranged on the outer side of the main body 101 of the cold-work die steel, so that the wear resistance of the whole piston ring body 1 can be improved, wherein the ceramic wear-resistant layer 102 is processed by using a ball mill during processing, the requirement of particle diameter is ensured to be met, after the ceramic wear-resistant layer 102 is coated, the outer surface of the piston ring body 1 is smooth, no part of bulge occurs, the thickness of the ceramic wear-resistant layer 102 is ensured to be proper, on the basis of convenient installation and disassembly, the wear resistance of the piston ring body 1 is better, the heat-resistant layers 103 are arranged on the inner side and the side surfaces of the main body 101 of the cold-work die steel, wherein the heat-resistant layer 103 is made of chromium alloy, so that the service life and the wear resistance of the whole piston ring body 1 are greatly increased, meanwhile, when the heat-resistant layer 103 is attached, the heat-resistant layer 103 is ensured not to cover the ceramic wear-resistant layer 102, and the corresponding performance of each material can be ensured, the clamping holes 2 are respectively arranged at the two ends of the top surface of the piston ring body 1, when the piston ring is used, the clamping columns 3 penetrate through the clamping holes 2, and the clamping columns 3 are clamped with the piston body 4, so that the purpose of fixing the position of the piston ring body 1 is achieved, when the piston ring body 1 is used, the situation of shaking is avoided, the position is ensured to be firm, the noise is reduced, meanwhile, the clamping holes 2 with smaller inner diameter ensure that the structural strength of the piston ring body 1 is not influenced, wherein when the clamping columns 3 are installed, the clamping columns 3 are ensured to be clamped with the piston body 4, so that the purpose of firmly fixing the positions of the clamping columns 3 is achieved, meanwhile, the clamping columns 3 are clamped with the clamping holes 2, so that the positions of the clamping columns 3 are firm, and the positions of the piston ring body 1 can be limited, the use requirement is met.
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 (3)
1. The utility model provides a wear-resisting type car piston ring of high tenacity which characterized in that: comprises a piston ring body (1);
piston ring body (1) is including cold work mould steel main part (101), ceramic wearing layer (102) and heat-resistant layer (103), ceramic wearing layer (102) are located cold work mould steel main part (101) outside, heat-resistant layer (103) are located the inboard and the side of cold work mould steel main part (101), card hole (2), two have all been seted up at cold work mould steel main part (101) top surface both ends the equal joint in inside of card hole (2) has card post (3), two card post (3) all with piston body (4) looks joint.
2. The high toughness wear resistant automotive piston ring according to claim 1, wherein: the cold-work die steel main body (101) is made of 7Cr7Mo2V2Si, the grain size of the ceramic wear-resistant layer (102) is not less than ninety meshes, and the heat-resistant layer (103) is made of chromium alloy.
3. The high toughness wear resistant automotive piston ring according to claim 1, wherein: the inner diameters of the two clamping holes (2) are equal to the diameter of the clamping column (3), and the inner diameters of the two clamping holes (2) are not larger than half of the width of the piston ring body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120498930.XU CN214330768U (en) | 2021-03-09 | 2021-03-09 | High-toughness wear-resistant automobile piston ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120498930.XU CN214330768U (en) | 2021-03-09 | 2021-03-09 | High-toughness wear-resistant automobile piston ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214330768U true CN214330768U (en) | 2021-10-01 |
Family
ID=77888106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120498930.XU Expired - Fee Related CN214330768U (en) | 2021-03-09 | 2021-03-09 | High-toughness wear-resistant automobile piston ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214330768U (en) |
-
2021
- 2021-03-09 CN CN202120498930.XU patent/CN214330768U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211001 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |