CN220599961U - Wear-resisting air compressor piston - Google Patents
Wear-resisting air compressor piston Download PDFInfo
- Publication number
- CN220599961U CN220599961U CN202322226808.9U CN202322226808U CN220599961U CN 220599961 U CN220599961 U CN 220599961U CN 202322226808 U CN202322226808 U CN 202322226808U CN 220599961 U CN220599961 U CN 220599961U
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- CN
- China
- Prior art keywords
- seal groove
- air seal
- wear
- main body
- piston
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- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Compressor (AREA)
Abstract
The utility model discloses a wear-resistant air compressor piston, which comprises a piston main body, wherein the piston main body is in a cylindrical sleeve shape, and a first air seal groove and a second air seal groove are formed in sequence from top to bottom on the outer side wall of the piston main body; the inner side walls of the first air seal groove and the second air seal groove of the piston main body are respectively provided with a reinforced wear-resistant layer. The outer wear-resistant layer can improve the wear resistance of the outer side wall of the piston main body, the service life is prolonged, the reinforced wear-resistant layer can strengthen the wear resistance of the first air seal groove and the second air seal groove, the friction between the air seal groove and the air ring is reduced, and the service life is prolonged.
Description
Technical field:
the utility model relates to the field of air compressor equipment, in particular to a wear-resistant air compressor piston.
The background technology is as follows:
the piston type air compressor is one of reciprocating type air compressors, and a compression element is a piston and reciprocates in a cylinder. The existing air compressor piston is generally made of aluminum alloy, and during operation, abrasion is increased after continuous high-strength operation due to lack of grease lubrication; the wear resistance is limited;
and when the piston runs, the air seal groove can rub with the air ring, so that the service life of the piston is influenced.
The utility model comprises the following steps:
the utility model aims to overcome the defects of the prior art and provide a wear-resistant air compressor piston, wherein the outer wear-resistant layer can improve the wear resistance of the outer side wall of a piston main body and prolong the service life, and the reinforced wear-resistant layer can strengthen the wear resistance of a first air seal groove and a second air seal groove, reduce the friction between the air seal groove and an air ring and prolong the service life.
The scheme for solving the technical problems is as follows:
the wear-resistant air compressor piston comprises a piston main body, wherein the piston main body is in a cylindrical sleeve shape, and a first air seal groove and a second air seal groove are formed in sequence from top to bottom on the outer side wall of the piston main body;
the inner side walls of the first air seal groove and the second air seal groove of the piston main body are respectively provided with a reinforced wear-resistant layer.
An outer wear-resistant layer is arranged on the outer side wall of the lower part of the piston main body.
The reinforced wear-resistant layer is a polytetrafluoroethylene layer, and is coated on the inner side walls of the first air seal groove and the second air seal groove of the piston main body and the outer side wall of the upper part of the piston main body.
The reinforced wear-resistant layer is an annular sleeve body, the annular sleeve body is clamped in the corresponding first air seal groove or second air seal groove, the top surface of the annular sleeve body is clung to the top surface of the first air seal groove or the second air seal groove, the bottom surface of the annular sleeve body is clung to the bottom surface of the first air seal groove or the second air seal groove, and the inner side wall of the annular sleeve body is clung to the inner side wall of the first air seal groove or the second air seal groove.
The annular sleeve body is characterized in that a plurality of positioning protruding parts are formed on the inner side wall of the annular sleeve body, and the positioning protruding parts are clamped in concave holes formed on the inner side wall of the first air seal groove or the second air seal groove.
The utility model has the outstanding effects that:
the outer wear-resistant layer can improve the wear resistance of the outer side wall of the piston main body, the service life is prolonged, the reinforced wear-resistant layer can strengthen the wear resistance of the first air seal groove and the second air seal groove, the friction between the air seal groove and the air ring is reduced, and the service life is prolonged.
Description of the drawings:
FIG. 1 is a schematic view of a construction of the present utility model;
FIG. 2 is a partial cross-sectional view at the lower portion of the present utility model;
FIG. 3 is a schematic view of another construction of the present utility model;
fig. 4 is a partial top view of the annular sleeve.
The specific embodiment is as follows:
embodiment 1, see fig. 1 to 2, shows a wear-resisting air compressor piston, including a piston main body 10, the piston main body 10 is cylindrical sleeve-shaped, and a first air seal groove 11, a second air seal groove 12 and an oil seal groove 13 are formed on the outer side wall of the piston main body in sequence from top to bottom;
mounting grooves 14 are formed in the outer side walls of the left side and the right side of the piston body 10, the bottom surface of the mounting groove 14 extends downwards out of the bottom end surface of the piston body 10, and connecting through holes 15 are formed in the inner side walls of the middle of the mounting groove 14. The outer wear-resistant layer 30 is arranged on the outer side wall of the lower part of the piston main body 10, the outer wear-resistant layer 30 can be a polytetrafluoroethylene layer sprayed on the outer side wall of the lower part of the piston main body 10, and the mounting groove 14 can reduce the contact area between the outer side wall of the piston main body 10 and the inner side wall of the piston shell and reduce friction and wear.
The inner side walls of the first air seal groove 11 and the second air seal groove 12 of the piston main body 10 are respectively provided with a reinforced wear-resistant layer 20, the reinforced wear-resistant layers are coated on the inner side walls of the first air seal groove 11 and the second air seal groove 12 in a spraying mode, the outer side wall of the upper part of the piston main body 10 is also coated with a reinforced wear-resistant layer 20, and the reinforced wear-resistant layer 20 is a polytetrafluoroethylene layer.
The wear-resistant layer 20 can reduce contact between the gas rings inserted in the first gas seal groove 11 and the second gas seal groove 12 and the inner side walls of the first gas seal groove 11 and the second gas seal groove 12 during operation, reduce abrasion and friction, and prolong service life.
Example 2: as shown in fig. 3 to 4, the reinforced wear-resistant layer 20 is an annular sleeve (C-shaped sleeve) with a slot formed on one side, the annular sleeve is clamped in the corresponding first air seal groove 11 or second air seal groove 12, the top surface of the annular sleeve is tightly attached to the top surface of the first air seal groove 11 or the second air seal groove 12, the bottom surface of the annular sleeve is tightly attached to the bottom surface of the first air seal groove 11 or the second air seal groove 12, and the inner side wall of the annular sleeve is tightly attached to the inner side wall of the first air seal groove 11 or the second air seal groove 12. The annular sleeve body comprises an upper annular part, a lower annular part and an annular body formed between the inner side of the upper annular part and the inner side of the lower annular part, an outer annular ring is formed on the outer top surface of the upper annular part, an outer annular ring is also formed on the outer bottom surface of the lower annular part, and the inner side wall of the outer annular ring is clung to the outer side wall of the upper part of the piston main body 10.
The inner side wall of the annular body of the annular sleeve body is provided with a plurality of positioning protruding parts 21, and the positioning protruding parts 21 are clamped in concave holes 140 formed on the inner side wall of the first air seal groove 11 or the second air seal groove 12.
The annular sleeve body is a polytetrafluoroethylene sleeve body and is directly arranged in the first air seal groove 11 and the second air seal groove 12, and the contact between the air rings inserted in the first air seal groove 11 and the second air seal groove 12 and the inner side walls of the first air seal groove 11 and the second air seal groove 12 is reduced when the air rings run, so that the abrasion and friction are reduced, and the service life is prolonged.
Which each achieve the service life of the piston body 10.
The above embodiments are only for illustrating the present utility model, not for limiting the present utility model, and various changes and modifications may be made by one of ordinary skill in the relevant art without departing from the spirit and scope of the present utility model, and therefore, all equivalent technical solutions are also within the scope of the present utility model, and the scope of the present utility model is defined by the claims.
Claims (6)
1. The utility model provides a wear-resisting air compressor machine piston, includes piston main part (10), its characterized in that: the piston main body (10) is cylindrical sleeve-shaped, and a first air seal groove (11), a second air seal groove (12) and an oil seal groove (13) are formed in sequence from top to bottom on the outer side wall of the piston main body;
the inner side walls of the first air seal groove (11) and the second air seal groove (12) of the piston main body (10) are respectively provided with a reinforced wear-resistant layer (20).
2. A wear resistant air compressor piston in accordance with claim 1, wherein: mounting grooves (14) are formed in the outer side walls of the left side and the right side of the piston main body (10), the bottom surface of each mounting groove (14) downwards extends out of the bottom end surface of the piston main body (10), and connecting through holes (15) are formed in the inner side walls of the middle of each mounting groove (14).
3. A wear resistant air compressor piston in accordance with claim 2, wherein: an outer wear-resistant layer (30) is arranged on the outer side wall of the lower part of the piston main body (10).
4. A wear resistant air compressor piston in accordance with claim 1, wherein: the reinforced wear-resistant layer (20) is a polytetrafluoroethylene layer.
5. A wear resistant air compressor piston in accordance with claim 1, wherein: the reinforced wear-resistant layer (20) is an annular sleeve body, the annular sleeve body is clamped in the corresponding first air seal groove (11) or second air seal groove (12), the top surface of the annular sleeve body is clung to the top surface of the first air seal groove (11) or the second air seal groove (12), the bottom surface of the annular sleeve body is clung to the bottom surface of the first air seal groove (11) or the second air seal groove (12), and the inner side wall of the annular sleeve body is clung to the inner side wall of the first air seal groove (11) or the second air seal groove (12).
6. A wear resistant air compressor piston in accordance with claim 5, wherein:
a plurality of positioning protruding parts (21) are formed on the inner side wall of the annular sleeve body, and the positioning protruding parts (21) are clamped in concave holes (140) formed on the inner side wall of the first air seal groove (11) or the second air seal groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322226808.9U CN220599961U (en) | 2023-08-18 | 2023-08-18 | Wear-resisting air compressor piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322226808.9U CN220599961U (en) | 2023-08-18 | 2023-08-18 | Wear-resisting air compressor piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220599961U true CN220599961U (en) | 2024-03-15 |
Family
ID=90166291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322226808.9U Active CN220599961U (en) | 2023-08-18 | 2023-08-18 | Wear-resisting air compressor piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220599961U (en) |
-
2023
- 2023-08-18 CN CN202322226808.9U patent/CN220599961U/en active Active
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