CN218669726U - Air compressor piston for vehicle - Google Patents
Air compressor piston for vehicle Download PDFInfo
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- CN218669726U CN218669726U CN202223158499.8U CN202223158499U CN218669726U CN 218669726 U CN218669726 U CN 218669726U CN 202223158499 U CN202223158499 U CN 202223158499U CN 218669726 U CN218669726 U CN 218669726U
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- seal groove
- oil
- oil seal
- main body
- piston main
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Abstract
The utility model discloses a piston of an air compressor for a vehicle, which comprises a piston main body, wherein the piston main body is in a cylindrical sleeve shape, and a first air seal groove, a second air seal groove, a first oil seal groove and a second oil seal groove are sequentially formed on the outer side wall of the piston main body from top to bottom; the outer side walls of the left side and the right side of the piston main body between the first oil seal groove and the second oil seal groove are provided with connecting through holes which extend inwards and horizontally; a plurality of oil leakage through holes are formed in the inner side walls of the first oil seal groove and the second oil seal groove, and the inner ends of the oil leakage through holes extend out of the inner side wall of the piston main body; oil rings are nested in the first oil seal groove and the second oil seal groove; it can get into the interior cavity of piston main part and the drippage down along with the oil ring with the lubricating oil on the cylinder inside wall to greatly reduced fluid mixes in the compressed air, guarantees compressed air's quality, guarantees equipment normal operating.
Description
The technical field is as follows:
the utility model relates to an air compressor equipment field, more specifically say and relate to an air compressor machine piston for vehicle.
The background art comprises the following steps:
the existing air compressor piston aims at solving the problems of cylinder holding, cylinder pulling and the like in the working process of the piston, lubricating oil splashes to the inner wall of a cylinder from a crank case when a crankshaft rotates, a piston head is lubricated, the lubricating condition between the piston and the cylinder is improved, the fit clearance between the engine piston and the cylinder is reduced, the noise is reduced, meanwhile, redundant oil on the inner wall of the cylinder is scraped through an oil seal ring, however, when the piston is used, when the lubricating oil on the inner wall of the splashed cylinder is too much, the piston can be mixed into gas and discharged, and the effect of compressing air is influenced.
The utility model has the following contents:
the utility model aims at overcoming prior art's is not enough, provides a vehicle air compressor piston, and it can be with lubricating oil on the cylinder inside wall along with the oil ring gets into in the inner chamber body of piston main part and the drippage downwards to greatly reduced fluid mixes during compressed air, guarantees compressed air's quality, assurance equipment normal operating.
The utility model provides a technical problem's scheme is:
a piston of an air compressor for a vehicle comprises a piston main body, wherein the piston main body is in a cylindrical sleeve shape, and a first air seal groove, a second air seal groove, a first oil seal groove and a second oil seal groove are sequentially formed in the outer side wall of the piston main body from top to bottom;
the outer side walls of the left side and the right side of the piston main body between the first oil seal groove and the second oil seal groove are provided with connecting through holes which extend inwards and horizontally;
a plurality of oil leakage through holes are formed in the inner side walls of the first oil seal groove and the second oil seal groove, and the inner ends of the oil leakage through holes extend out of the inner side wall of the piston main body;
oil rings are nested in the first oil seal groove and the second oil seal groove;
the outer wall surface of the oil ring is a conical wall surface, the diameter of the upper end of the oil ring is small, the diameter of the lower end of the oil ring is large, a plurality of inward extending arc through grooves are formed in the outer side wall of the oil ring, and the top surfaces of the arc through grooves are inclined surfaces extending outwards in an inclined mode. By adopting the structure, oil can enter the arc-shaped through groove, and enters the inner cavity of the piston main body along with the oil leakage through hole and is dripped and leaked back downwards along the inner wall surface of the inner cavity, so that the oil is prevented from moving upwards to enter compressed air, and the normal operation of equipment is ensured.
The top surface of the piston main body is a spherical surface.
And a plurality of reinforcing rib plates extending downwards are formed on the top surface of the inner cavity of the piston main body.
A plurality of annular reinforcing parts are formed on the inner side wall of the inner cavity of the piston main body.
The strength of the piston main body is increased by the reinforcing rib plate and the annular reinforcing part, and normal use of the piston main body is guaranteed.
A plurality of vertical liquid guide grooves are formed in the outer side wall of the piston main body between the first oil seal groove and the second oil seal groove, the top ends of the vertical liquid guide grooves are communicated with the first oil seal groove, and the bottom ends of the vertical liquid guide grooves are communicated with the second oil seal groove. The oil liquid in the first oil seal groove can be ensured to enter the second oil seal groove along the vertical liquid guide groove, and the liquid guide effect is improved.
The utility model discloses an outstanding effect is:
the lubricating oil on the inner side wall of the cylinder can enter the inner cavity of the piston main body along with the oil ring and drop downwards, so that the oil is greatly reduced and mixed with compressed air, the quality of the compressed air is ensured, and the normal operation of equipment is ensured.
Description of the drawings:
fig. 1 is a partial structural schematic diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a partial cross-sectional view of FIG. 1;
fig. 4 is a partial cross-sectional view of an oil seal.
The specific implementation mode is as follows:
in an embodiment, as shown in fig. 1 to 4, a piston for an air compressor for a vehicle includes a piston main body 10, where the piston main body 10 is in a cylindrical sleeve shape, and a first air seal groove 11, a second air seal groove 12, a first oil seal groove 13, and a second oil seal groove 14 are sequentially formed on an outer side wall of the piston main body from top to bottom;
the outer side walls of the left side and the right side of the piston main body 10 between the first oil seal groove 13 and the second oil seal groove 14 are formed with connecting through holes 15 which extend inwards and horizontally;
a plurality of oil leakage through holes 16 are formed in the inner side walls of the first oil seal groove 13 and the second oil seal groove 14, and the inner ends of the oil leakage through holes 16 extend out of the inner side wall of the piston main body 10;
the first oil seal groove 13 and the second oil seal groove 14 are respectively embedded with an oil ring 20;
the outer wall surface of the oil ring 20 is a conical wall surface, the diameter of the upper end of the oil ring is small, the diameter of the lower end of the oil ring is large, a plurality of inward extending arc-shaped through grooves 21 are formed on the outer side wall of the oil ring 20, and the top surfaces of the arc-shaped through grooves 21 are inclined surfaces extending outwards and obliquely. With the structure, oil can enter the arc-shaped through groove 21, enter the inner cavity of the piston main body 10 along with the oil leakage through hole 16 and drip and leak back downwards along the inner wall surface of the inner cavity, so that the oil is prevented from moving upwards and entering compressed air, and the normal operation of the equipment is ensured.
And the top surface of the arc-shaped through groove 21 is an inclined surface extending outwards in an inclined manner, so that the probability that oil liquid enters the arc-shaped through groove 21 can be further improved, and the effect is good.
Further, the top surface of the piston main body 10 is a spherical surface.
Further, a plurality of reinforcing ribs 17 extending downward are formed on the top surface of the inner cavity of the piston main body 10. The reinforcing rib 17 increases the strength of the top of the piston main body 10.
Further, a plurality of annular reinforcing portions 18 are formed on an inner sidewall of the inner cavity of the piston body 10. The annular reinforcement 18 increases the strength of the side wall of the piston body 10.
Further, a plurality of vertical liquid guiding grooves 19 are formed on the outer side wall of the piston main body 10 between the first oil seal groove 13 and the second oil seal groove 14, the top ends of the vertical liquid guiding grooves 19 are communicated with the first oil seal groove 13, and the bottom ends of the vertical liquid guiding grooves 19 are communicated with the second oil seal groove 14.
The vertical liquid guide groove 19 can drop the oil liquid in the first oil seal groove 13 downwards along the vertical liquid guide groove 19 to enter the second oil seal groove 14, so that the guiding effect of the oil liquid is improved, the oil liquid can flow downwards, and the oil liquid is further prevented from upwards entering the compressed air.
The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (5)
1. The utility model provides a vehicle air compressor machine piston, includes piston main part (10), its characterized in that: the piston main body (10) is cylindrical and sleeved, and a first air seal groove (11), a second air seal groove (12), a first oil seal groove (13) and a second oil seal groove (14) are sequentially formed in the outer side wall of the piston main body from top to bottom;
the outer side walls of the left side and the right side of the piston main body (10) between the first oil seal groove (13) and the second oil seal groove (14) are formed with connecting through holes (15) which extend inwards and horizontally;
a plurality of oil leakage through holes (16) are formed in the inner side walls of the first oil seal groove (13) and the second oil seal groove (14), and the inner ends of the oil leakage through holes (16) extend out of the inner side wall of the piston main body (10);
oil rings (20) are nested in the first oil seal groove (13) and the second oil seal groove (14);
the outer wall surface of the oil ring (20) is a conical wall surface, the diameter of the upper end of the oil ring is small, the diameter of the lower end of the oil ring is large, a plurality of inward extending arc-shaped through grooves (21) are formed in the outer side wall of the oil ring (20), and the top surfaces of the arc-shaped through grooves (21) are inclined surfaces extending outwards in an inclined mode.
2. The piston of the air compressor for vehicles according to claim 1, wherein: the top surface of the piston main body (10) is a spherical surface.
3. The piston of the air compressor for vehicles according to claim 1, wherein: the top surface of the inner cavity of the piston main body (10) is formed with a plurality of reinforcing rib plates (17) extending downwards.
4. The piston of the air compressor for vehicles according to claim 1, wherein: a plurality of annular reinforcing parts (18) are formed on the inner side wall of the inner cavity of the piston main body (10).
5. The piston of the air compressor for vehicles according to claim 1, wherein: a plurality of vertical liquid guide grooves (19) are formed in the outer side wall of the piston main body (10) between the first oil seal groove (13) and the second oil seal groove (14), the top ends of the vertical liquid guide grooves (19) are communicated with the first oil seal groove (13), and the bottom ends of the vertical liquid guide grooves (19) are communicated with the second oil seal groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223158499.8U CN218669726U (en) | 2022-11-28 | 2022-11-28 | Air compressor piston for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223158499.8U CN218669726U (en) | 2022-11-28 | 2022-11-28 | Air compressor piston for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218669726U true CN218669726U (en) | 2023-03-21 |
Family
ID=85539742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223158499.8U Active CN218669726U (en) | 2022-11-28 | 2022-11-28 | Air compressor piston for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218669726U (en) |
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2022
- 2022-11-28 CN CN202223158499.8U patent/CN218669726U/en active Active
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