CN221195208U - High-strength engine piston - Google Patents
High-strength engine piston Download PDFInfo
- Publication number
- CN221195208U CN221195208U CN202322999464.5U CN202322999464U CN221195208U CN 221195208 U CN221195208 U CN 221195208U CN 202322999464 U CN202322999464 U CN 202322999464U CN 221195208 U CN221195208 U CN 221195208U
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- CN
- China
- Prior art keywords
- piston
- wall
- connecting rod
- pin
- limiting plate
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Links
- 238000002485 combustion reaction Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000010705 motor oil Substances 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model relates to the technical field of engines, in particular to a high-strength engine piston which comprises an inner piston and a connecting rod, wherein a dismounting device is arranged on the outer wall of the inner piston, the dismounting device comprises an outer piston, the inner wall of the outer piston is in threaded connection with the inner piston, the outer wall of the outer piston is fixedly connected with a gas ring, the end wall of the outer piston is fixedly connected with an oil ring, and a combustion chamber is arranged on the surface of the outer piston. The external piston is spirally rotated to be spirally rotated onto the internal piston, so that the connecting rod is taken, the end part of the connecting rod is attached to the outer wall of the limiting plate, the piston pin penetrates through the external piston and the internal piston, the outer wall of the piston pin is attached to the movable ring on the inner wall of the connecting rod, only the external piston is required to be replaced, high cost caused by replacement parts is reduced, and efficient movement of the piston of the engine is realized.
Description
Technical Field
The utility model relates to the technical field of engines, in particular to a high-strength engine piston.
Background
An engine combustion chamber is a device in which fuel or propellant is combusted to produce high temperature gases, and after the piston reaches top dead center the piston combustion chamber includes a space between a top surface and a cylinder head to form a combustion chamber.
For example, the engine piston with the authority of publication number of 'CN 201786473U', although solving the problem that the engine oil in the cylinder is leaked into the combustion chamber from the clearance between the skirt part and the inner wall of the cylinder to be insufficiently combusted in the existing engine piston, the skirt part and the pin seat are in split design, and the skirt part is not influenced by the pin seat and the peripheral notch thereof to generate elliptical deformation after being heated and expanded, but can always keep a round shape, thereby ensuring that the engine oil is always in equal clearance fit with the inner cavity of the cylinder, effectively preventing the engine oil from leaking into the combustion chamber to be insufficiently combusted, and generating a certain gap between the piston and the cylinder due to the fact that the engine piston moves at a high speed in the cylinder and moves for a long time, the outer wall of the piston is inevitably worn, so that the original high-strength movement cannot be realized, even a new piston is required to be replaced, and high cost is generated.
Disclosure of Invention
The utility model aims to solve the problems that the prior engine piston cannot realize original high-strength movement due to long-time piston movement, and even a new piston needs to be replaced to generate high cost.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-strength engine piston, includes inside piston and connecting rod, the outer wall of inside piston is equipped with dismounting device, dismounting device includes the outside piston, the inner wall and the inside piston threaded connection of outside piston, the outer wall and the gaseous ring fixed connection of outside piston, the end wall and the oil ring fixed connection of outside piston, the surface mounting of outside piston has the combustion chamber.
Preferably, the inner wall of the connecting rod is propped against the connecting rod bolt, the end part of the connecting rod bolt is in threaded connection with the nut, and the outer wall of the nut is propped against the connecting cover.
Preferably, the inner wall of the connecting cover is in sliding connection with the connecting rod bearing bush, and the outer wall of the connecting rod bearing bush is in sliding connection with the connecting rod.
Preferably, the inner wall of the inner piston is propped against the piston pin, the outer wall of the piston pin is propped against the outer piston, the outer wall of the piston pin is movably connected with the movable ring, and the outer wall of the movable ring is movably connected with the connecting rod.
Preferably, the inner wall of the inner piston is provided with cooling holes.
Preferably, the inner wall of the inner piston is fixedly connected with the limiting plate, the inner wall of the limiting plate is movably connected with the piston pin, and the outer wall of the limiting plate is movably connected with the connecting rod.
The high-strength engine piston provided by the utility model has the beneficial effects that: the external piston is spirally rotated to be spirally rotated onto the internal piston, so that the connecting rod is taken, the end part of the connecting rod is attached to the outer wall of the limiting plate, the piston pin penetrates through the external piston and the internal piston, the outer wall of the piston pin is attached to the movable ring on the inner wall of the connecting rod, only the external piston is required to be replaced, high cost caused by replacement parts is reduced, and efficient movement of the piston of the engine is realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional elevation view of the structure of FIG. 1;
FIG. 3 is a schematic top view of the cross-sectional structure of FIG. 1;
Fig. 4 is an enlarged schematic view of the structure at a in fig. 2.
In the figure: 1. the device comprises an inner piston, 2, a connecting rod, 3, a dismounting device, 301, an outer piston, 302, a gas ring, 303, an oil ring, 304, a combustion chamber, 4, a connecting rod bolt, 5, a nut, 6, a connecting cover, 7, a connecting rod bearing bush, 8, a piston pin, 9, a movable ring, 10, a cooling hole, 11 and a limiting plate.
Description of the embodiments
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the high-strength engine piston comprises an inner piston 1 and a connecting rod 2, wherein a dismounting device 3 is arranged on the outer wall of the inner piston 1, the outer piston 301 is spirally rotated on the inner piston 1 to realize the installation and the dismounting of the outer piston 301, the dismounting device 3 comprises an outer piston 301, the inner wall of the outer piston 301 is in threaded connection with the inner piston 1, the outer wall of the outer piston 301 is fixedly connected with a gas ring 302, the end wall of the outer piston 301 is fixedly connected with an oil ring 303, and a combustion chamber 304 is arranged on the surface of the outer piston 301;
The outer piston 301 is spirally rotated, so that the outer piston 301 is spirally rotated onto the inner piston 1, at the moment, the connecting rod 2 is taken, the end part of the connecting rod 2 is attached to the outer wall of the limiting plate 11, the piston pin 8 penetrates through the outer piston 301 and the inner piston 1, the outer wall of the piston pin 8 is attached to the movable ring 9 on the inner wall of the connecting rod 2, only the outer piston 301 needs to be replaced, high cost caused by replacement parts is reduced, and efficient piston movement of the engine is realized.
Referring to fig. 1 and 2, the inner wall of the connecting rod 2 abuts against the connecting rod bolt 4, the end of the connecting rod bolt 4 is in threaded connection with the nut 5, the outer wall of the nut 5 abuts against the connecting cover 6, the inner wall of the connecting cover 6 is in sliding connection with the connecting rod bearing bush 7, and the outer wall of the connecting rod bearing bush 7 is in sliding connection with the connecting rod 2.
Referring to fig. 1, 2 and 4, the inner wall of the inner piston 1 is tightly propped against the piston pin 8, the outer wall of the piston pin 8 is tightly propped against the outer piston 301, the outer wall of the piston pin 8 is movably connected with the movable ring 9, the outer wall of the movable ring 9 is movably connected with the connecting rod 2, the inner wall of the inner piston 1 is provided with the cooling hole 10, the inner wall of the inner piston 1 is fixedly connected with the limiting plate 11, the inner wall of the limiting plate 11 is movably connected with the piston pin 8, and the outer wall of the limiting plate 11 is movably connected with the connecting rod 2.
Working principle:
The outer piston 301 is spirally rotated to enable the outer piston 301 to be spirally rotated onto the inner piston 1, at the moment, the connecting rod 2 is taken, the end part of the connecting rod 2 is attached to the outer wall of the limiting plate 11, the piston pin 8 penetrates through the outer piston 301 and the inner piston 1, the outer wall of the piston pin 8 is attached to the movable ring 9 on the inner wall of the connecting rod 2, the gas ring 302 and the oil ring 303 are fixed to the outer wall of the outer piston 301, and when the gas ring 302 and the oil ring 303 on the outer wall of the outer piston 301 are mutually matched between cylinders, engine oil is leaked into the combustion chamber 304 to be fully combusted, and high-strength work of the piston of the engine is achieved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high-strength engine piston, includes inside piston (1) and connecting rod (2), its characterized in that: the outer wall of inside piston (1) is equipped with dismounting device (3), dismounting device (3) are including outside piston (301), the inner wall and the inside piston (1) threaded connection of outside piston (301), the outer wall and gaseous ring (302) fixed connection of outside piston (301), the end wall and oil ring (303) fixed connection of outside piston (301), the surface mounting of outside piston (301) has combustion chamber (304).
2. A highly enhanced engine piston as set forth in claim 1 wherein: the inner wall of the connecting rod (2) is abutted against the connecting rod bolt (4), the end part of the connecting rod bolt (4) is in threaded connection with the nut (5), and the outer wall of the nut (5) is abutted against the connecting cover (6).
3. A highly enhanced engine piston as set forth in claim 2 wherein: the inner wall of the connecting cover (6) is in sliding connection with the connecting rod bearing bush (7), and the outer wall of the connecting rod bearing bush (7) is in sliding connection with the connecting rod (2).
4. A highly enhanced engine piston as set forth in claim 1 wherein: the inner wall of the inner piston (1) is propped against the piston pin (8), the outer wall of the piston pin (8) is propped against the outer piston (301), the outer wall of the piston pin (8) is movably connected with the movable ring (9), and the outer wall of the movable ring (9) is movably connected with the connecting rod (2).
5. A highly enhanced engine piston as set forth in claim 1 wherein: the inner wall of the inner piston (1) is provided with a cooling hole (10).
6. A highly enhanced engine piston as set forth in claim 1 wherein: the inner wall of the inner piston (1) is fixedly connected with a limiting plate (11), the inner wall of the limiting plate (11) is movably connected with a piston pin (8), and the outer wall of the limiting plate (11) is movably connected with a connecting rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322999464.5U CN221195208U (en) | 2023-11-07 | 2023-11-07 | High-strength engine piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322999464.5U CN221195208U (en) | 2023-11-07 | 2023-11-07 | High-strength engine piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221195208U true CN221195208U (en) | 2024-06-21 |
Family
ID=91520721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322999464.5U Active CN221195208U (en) | 2023-11-07 | 2023-11-07 | High-strength engine piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221195208U (en) |
-
2023
- 2023-11-07 CN CN202322999464.5U patent/CN221195208U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |