CN220522669U - Automobile piston convenient to install - Google Patents
Automobile piston convenient to install Download PDFInfo
- Publication number
- CN220522669U CN220522669U CN202321634484.6U CN202321634484U CN220522669U CN 220522669 U CN220522669 U CN 220522669U CN 202321634484 U CN202321634484 U CN 202321634484U CN 220522669 U CN220522669 U CN 220522669U
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- CN
- China
- Prior art keywords
- piston
- connecting section
- ring
- automobile
- end body
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- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000013016 damping Methods 0.000 claims description 10
- 239000003921 oil Substances 0.000 description 41
- 239000010705 motor oil Substances 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000000576 coating method Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 239000000306 component Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model provides an automobile piston convenient to install, and relates to the technical field of automobile pistons. The automobile piston convenient to install includes: the piston connecting section is connected with a connecting rod through a piston pin, and the side surface of the piston connecting section is integrally formed with a piston skirt; the piston top section is integrally formed with the upper surface of the piston connecting section; the piston top section comprises an avoidance groove, a piston motion end body, an oil ring, a gas ring and a positioning block; the piston moving end body and the upper end of the piston connecting section are integrally formed, and the upper surface of the piston moving end body is provided with a downward concave avoidance groove; the outer surface of the piston movement end body is provided with a plurality of annular mounting grooves. The automobile piston convenient to install has the advantage of high installation accuracy.
Description
Technical Field
The utility model relates to the technical field of automobile pistons, in particular to an automobile piston convenient to install.
Background
The piston ring is a core component in the engine and is provided with two gas rings and an oil ring respectively. The gas ring mainly plays a role in sealing and preventing the gas leakage of the cylinder, and secondly, the gas ring conducts heat transferred from the top of the piston to the cylinder sleeve and then the cooling water is used for carrying heat. The oil ring can store part of engine oil for lubricating the cylinder sleeve and can scrape redundant engine oil from the cylinder sleeve.
When the gas ring and the oil ring are installed, the gas ring and the oil ring cannot be aligned with the piston pin, the gas ring and the oil ring are provided with openings, the openings of the gas ring and the oil ring are required to be misplaced in order to ensure that the gas ring and the oil ring can normally act, and parts for positioning the openings of the gas ring and the oil ring are not arranged in the installation groove of the existing piston, so that the installation accuracy of the gas ring and the oil ring is affected, and the requirement on installation personnel is high.
Therefore, there is a need to provide a new automotive piston that is easy to install and solves the above-mentioned technical problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the automobile piston which is accurate in installation and convenient to install.
The automobile piston convenient to install provided by the utility model comprises: the piston connecting section is connected with a connecting rod through a piston pin, and the side surface of the piston connecting section is integrally formed with a piston skirt; the piston top section is integrally formed with the upper surface of the piston connecting section; the piston top section comprises an avoidance groove, a piston motion end body, an oil ring, a gas ring and a positioning block; the piston moving end body and the upper end of the piston connecting section are integrally formed, and the upper surface of the piston moving end body is provided with a downward concave avoidance groove; a plurality of annular mounting grooves are formed in the outer surface of the piston moving end body, positioning blocks are integrally formed in the annular mounting grooves and are arranged in a staggered mode with the through holes, two adjacent positioning blocks are also arranged in a staggered mode, an oil ring is mounted in the annular mounting groove located at the lowest position, and gas rings are mounted in other annular mounting grooves.
Preferably, the angle between the adjacent two positioning blocks is controlled to be 90-120 degrees.
Preferably, a first round angle is formed at the edge of the upper surface of the piston moving end body.
Preferably, the vertical edge of the positioning block is provided with a second round angle.
Preferably, the inner wall of the piston connecting section is fixedly connected with a damping ring, and the damping ring and the through hole are concentrically arranged.
Preferably, a plurality of oil storage tanks which are uniformly and circumferentially arranged are formed in the inner wall of the through hole;
preferably, the inner wall of the piston connecting section is cast with a nameplate.
Compared with the related art, the automobile piston convenient to install has the following beneficial effects:
1. when the device is used, due to the arrangement of the positioning blocks, the positioning of the oil ring and the air ring openings is realized, so that the openings of the oil ring and the air ring are staggered and are not aligned with the through holes, and are not aligned with the piston pins arranged in the through holes, thereby being beneficial to the stable action of the air ring and the oil ring, namely ensuring the air tightness of the air cylinder through the air ring, avoiding engine oil from entering a combustion chamber above the piston through the oil ring, further being beneficial to the correct installation of the whole piston and the use of the device;
2. according to the utility model, gaps are reserved between the positioning blocks and the oil ring and between the positioning blocks and the gas ring through the second round corners, so that the oil ring and the gas ring are conveniently installed and detached.
Drawings
FIG. 1 is a schematic view of a preferred embodiment of an automotive piston for easy installation according to the present utility model;
FIG. 2 is a schematic illustration of the structure of the piston crown section shown in FIG. 1;
FIG. 3 is a schematic view of the positioning block shown in FIG. 2;
fig. 4 is a schematic view of a partial cross-sectional structure of the automobile piston of fig. 1 for easy installation.
Reference numerals in the drawings: 1. a piston crown section; 11. a first rounded corner; 12. an avoidance groove; 13. a piston moving end body; 14. an oil ring; 15. a gas ring; 16. a positioning block; 17. a second rounded corner; 2. a piston connecting section; 3. a connecting rod; 4. a piston skirt; 5. a damping ring; 6. and a through hole.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1 to 4 in combination, an automobile piston for easy installation includes: the piston connecting section 2 is provided with a downward opening, a through hole 6 is formed in the side wall of the bottom of the piston connecting section 2, the piston connecting section 2 is connected with the connecting rod 3 through a piston pin, and a piston skirt 4 is integrally formed on the side surface of the piston connecting section 2; the piston top section 1 is integrally formed with the upper surface of the piston connecting section 2; the piston top section 1 comprises an avoidance groove 12, a piston movement end body 13, an oil ring 14, a gas ring 15 and a positioning block 16; the piston movement end body 13 and the upper end of the piston connecting section 2 are integrally formed, and the upper surface of the piston movement end body 13 is provided with a downward concave avoidance groove 12; the outer surface of the piston movement end body 13 is provided with a plurality of annular mounting grooves, positioning blocks 16 are integrally formed in the annular mounting grooves, the positioning blocks 16 and the through holes 6 are arranged in a staggered mode, two adjacent positioning blocks 16 are also arranged in a staggered mode, the oil ring 14 is arranged in the annular mounting groove located at the lowest position, and the gas ring 15 is arranged in other annular mounting grooves.
It is necessary to explain that: when the device is used, the connecting rod 3 is connected with an external crankshaft through an external connecting component, the connecting component comprises parts such as a connecting bearing bush, and the like, and the piston is driven to move in the cylinder through the movement of the external crankshaft; when the piston moves in the cylinder, the piston skirt 4 is in contact with the cylinder wall, the air tightness of the cylinder can be ensured through the plurality of air rings 15, the cylinder pressure is ensured, engine oil on the cylinder wall can be scraped through the oil ring 14, and the engine oil is prevented from entering a combustion chamber above the piston;
it also needs to be stated that: due to the arrangement of the positioning block 16, the positioning of the openings of the oil ring 14 and the gas ring 15 is further realized, so that the openings of the oil ring 14 and the gas ring 15 are staggered and are not aligned with the through holes 6, and are not aligned with piston pins arranged in the through holes 6, stable exertion of the gas ring 15 and the oil ring 14 is facilitated, namely the gas tightness of the cylinder is ensured through the gas ring 15, engine oil is prevented from entering a combustion chamber above a piston through the oil ring 14, and further, the correct installation of the whole piston is facilitated, and the use of the device is facilitated;
it also needs to be stated that: the outer surface of the piston skirt 4 is coated with a wear-resistant coating, which can be a fluorocarbon polymer material coating or other coatings, and the wear speed of the piston skirt 4 is effectively reduced through the wear-resistant coating.
Referring to fig. 1 and 2, the angle between the adjacent two positioning blocks 16 is controlled to be 90 ° -120 °.
It is necessary to explain that: the angle between the positioning blocks 16, and thus between the openings of the adjacent two gas rings 15, is defined, while the angle between the opening of the oil ring 14 and the opening of the gas ring 15 closest thereto is defined.
Referring to fig. 2, a first round corner 11 is formed at the edge of the upper surface of the piston movement end body 13.
It is necessary to explain that: the corners of the whole piston are smoother through the first round corners 11, so that the installation and the taking of the piston are facilitated.
Referring to fig. 2 and 3, the vertical edge of the positioning block 16 is provided with a second rounded corner 17.
It is necessary to explain that: gaps are reserved between the positioning block 16 and the oil ring 14 and between the positioning block and the gas ring 15 through the second round corners 17, so that the oil ring 14 and the gas ring 15 can be mounted and dismounted conveniently.
Referring to fig. 1 and 4, a damping ring 5 is fixedly connected to the inner wall of the piston connecting section 2, and the damping ring 5 and the through hole 6 are concentrically arranged.
It is necessary to explain that: when the end part of the connecting rod 3 is placed in the piston connecting section 2, the end part of the connecting rod 3 is contacted with the damping ring 5, so that the end part of the connecting rod 3 is stably inserted into the piston connecting section 2, and the piston is further mounted;
it also needs to be stated that: when the connecting rod 3 is connected with the piston connecting section 2 through the piston pin, a gap is reserved between the damping ring 5 and the connecting rod 3, and the damping ring 5 is prevented from interfering with the movement of the connecting rod 3.
Referring to fig. 1 and 4, a plurality of oil storage tanks are formed on the inner wall of the through hole 6, and the oil storage tanks are uniformly circumferentially arranged.
It is necessary to explain that: the engine oil can enter the oil storage tank, and the piston pin is lubricated through the oil in the oil storage tank, so that the device is beneficial to use.
Referring to fig. 4, a nameplate is cast on the inner wall of the piston connecting section 2.
It is necessary to explain that: the model and other parameters of the whole device can be intuitively and conveniently known through the nameplate, the device is conveniently used, meanwhile, the nameplate is cast on the inner wall of the piston connecting section 2, and the probability of abrasion of the nameplate is reduced.
The working principle of the automobile piston convenient to install provided by the utility model is as follows:
when the oil ring device is used, due to the arrangement of the positioning block 16, the positioning of the openings of the oil ring 14 and the gas ring 15 is realized, so that the openings of the oil ring 14 and the gas ring 15 are staggered and are not aligned with the through holes 6, and are not aligned with piston pins arranged in the through holes 6, thereby being beneficial to the stable action of the gas ring 15 and the oil ring 14, namely ensuring the air tightness of a cylinder through the gas ring 15, avoiding engine oil from entering a combustion chamber above a piston through the oil ring 14, further being beneficial to the correct installation of the whole piston and the use of the device;
according to the utility model, gaps are reserved between the positioning block 16 and the oil ring 14 and between the positioning block and the gas ring 15 through the second round corners 17, so that the installation and the disassembly of the oil ring 14 and the gas ring 15 are facilitated.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. An automotive piston for ease of installation comprising:
the piston connecting section (2), the opening of the piston connecting section (2) is downwards arranged, a through hole (6) is formed in the side wall of the bottom of the piston connecting section (2), the piston connecting section (2) is connected with the connecting rod (3) through the piston pin, and a piston skirt (4) is integrally formed on the side face of the piston connecting section (2);
the piston top section (1), the piston top section (1) and the upper surface of the piston connecting section (2) are integrally formed; the piston top section (1) comprises an avoidance groove (12), a piston movement end body (13), an oil ring (14), a gas ring (15) and a positioning block (16); the piston movement end body (13) and the upper end of the piston connecting section (2) are integrally formed, and a downward concave avoidance groove (12) is formed in the upper surface of the piston movement end body (13); a plurality of annular mounting grooves are formed in the outer surface of the piston moving end body (13), positioning blocks (16) are integrally formed in the annular mounting grooves, the positioning blocks (16) and the through holes (6) are arranged in a staggered mode, two adjacent positioning blocks (16) are also arranged in a staggered mode, an oil ring (14) is arranged in the annular mounting groove located at the lowest position, and gas rings (15) are arranged in other annular mounting grooves.
2. An automotive piston for easy installation according to claim 1, characterized in that the angle between the adjacent two positioning blocks (16) is controlled between 90 ° and 120 °.
3. The automobile piston convenient to install according to claim 2, wherein a first round corner (11) is formed at the edge of the upper surface of the piston movement end body (13).
4. An automobile piston convenient to install according to claim 3, characterized in that the vertical edge of the positioning block (16) is provided with a second rounded corner (17).
5. The automobile piston convenient to install according to any one of claims 1 to 4, wherein the inner wall of the piston connecting section (2) is fixedly connected with a damping ring (5), and the damping ring (5) and the through hole (6) are concentrically arranged.
6. The automobile piston convenient to install according to claim 5, wherein a plurality of oil storage tanks which are uniformly circumferentially arranged are formed on the inner wall of the through hole (6).
7. The automobile piston convenient to install according to claim 5, characterized in that the inner wall of the piston connecting section (2) is cast with a nameplate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321634484.6U CN220522669U (en) | 2023-06-26 | 2023-06-26 | Automobile piston convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321634484.6U CN220522669U (en) | 2023-06-26 | 2023-06-26 | Automobile piston convenient to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220522669U true CN220522669U (en) | 2024-02-23 |
Family
ID=89929248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321634484.6U Active CN220522669U (en) | 2023-06-26 | 2023-06-26 | Automobile piston convenient to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220522669U (en) |
-
2023
- 2023-06-26 CN CN202321634484.6U patent/CN220522669U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |