CN207989161U - A kind of Split piston of Spring Card limited support - Google Patents
A kind of Split piston of Spring Card limited support Download PDFInfo
- Publication number
- CN207989161U CN207989161U CN201820267170.XU CN201820267170U CN207989161U CN 207989161 U CN207989161 U CN 207989161U CN 201820267170 U CN201820267170 U CN 201820267170U CN 207989161 U CN207989161 U CN 207989161U
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- CN
- China
- Prior art keywords
- piston
- spring card
- limited support
- wall
- shaped link
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a kind of Split pistons of Spring Card limited support comprising：First Spring Card, piston head cover and piston barrel, the piston head cover is arranged in the top of piston barrel, the piston cap base is provided with the stop collar extended in piston barrel, several 8-shaped link blocks being connect with piston barrel inner wall are provided on the stop collar inner wall, indent is provided with embedded groove corresponding with 8-shaped link block respectively on the stop collar inner wall and piston barrel inner wall, and first Spring Card is arranged carries out limited support in the loop configuration that several 8-shaped link blocks surround.The Split piston of Spring Card limited support described in the utility model, it is attached using 8-shaped link block between piston barrel and stop collar, axial limit structure is stablized, and the limited support of 8-shaped link block is carried out using the first Spring Card, avoid the use of bolt, installation and removal are all more convenient, reduce the cost of assembling and maintenance.
Description
Technical field
The utility model is related to piston field more particularly to a kind of Split pistons of Spring Card limited support.
Background technology
Piston of automobile cans be compared to the central position of automobile engine, for bearing gas pressure, and is driven and is connected by piston pin
Bar drives bent axle to rotate, and the component part of top land or combustion chamber accounts for extremely important when engine operates
Status.
In recent years, due to the continuous improvement of engine reinforcing degree, rotating speed, mean effective pressure and the piston of engine are flat
Equal speed all has increased significantly than before, therefore the thermic load of engine and mechanical load both increase.Remedy for Piston Damage
Afterwards, it can replace or safeguard, but integral replacing is of high cost, and the assembling of Split piston is comparatively laborious, affects production
Efficiency, dismounting is inconvenient, increases maintenance difficulties and cost, needs to improve.
Utility model content
The purpose of this utility model is to provide a kind of Split pistons of Spring Card limited support, promote assembly and disassembly
Simplicity, the cost for reducing production and safeguarding.
For this purpose, the utility model uses following technical scheme：
A kind of Split piston of Spring Card limited support, including：First Spring Card, piston head cover and piston barrel, it is described
Piston head cover is arranged in the top of piston barrel, and the piston cap base is provided with the stop collar extended in piston barrel,
Be provided with several 8-shaped link blocks being connect with piston barrel inner wall on the stop collar inner wall, the stop collar inner wall and
Indent is provided with embedded groove corresponding with 8-shaped link block respectively on piston barrel inner wall, and first Spring Card is arranged in number
Limited support is carried out in the loop configuration that a 8-shaped link block surrounds.
Wherein, it is provided with annular groove corresponding with stop collar at the top of the piston barrel endoporus.
Wherein, several 8-shaped link block circular array distributions.
Wherein, indent is provided with card slot corresponding with the first Spring Card respectively on the 8-shaped link block.
Wherein, compression and oil ring groove are provided on the piston barrel outer wall.
Wherein, the piston barrel bottom symmetrical is provided with pin shaft fixing seat, is laterally set respectively in the pin shaft fixing seat
It is equipped with bearing pin mounting hole, second spring card mounting groove is respectively arranged in the bearing pin mounting hole.
The beneficial effects of the utility model：A kind of Split piston of Spring Card limited support, piston barrel and stop collar it
Between be attached using 8-shaped link block, axial limit structure is stablized, and utilizes the first Spring Card progress 8-shaped link block
Limited support avoids the use of bolt, and installation and removal are all more convenient, reduce the cost of assembling and maintenance.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
The technical solution of the utility model is further illustrated with reference to Fig. 1 and by specific embodiment.
A kind of Split piston of Spring Card limited support, including：First Spring Card 3, piston head cover 1 and piston barrel 6, institute
It states piston head cover 1 to be arranged in the top of piston barrel 6,1 bottom of piston head cover is provided with the limit extended in piston barrel 6
Position set 2, positioning is quick, and installation speed is fast.
4 8-shaped link blocks 4 being connect with 6 inner wall of piston barrel, the limit are provided on 2 inner wall of the stop collar
It covers on 6 inner wall of 2 inner walls and piston barrel indent respectively and is provided with embedded groove 5 corresponding with 8-shaped link block 4, arc structure,
4 both ends of 8-shaped link block can be limited, realize the axial limiting of piston head cover 1 and piston barrel 6, installation facility, knot
Structure is stablized.
First Spring Card 3, which is arranged in the loop configuration that 4 8-shaped link blocks 4 surround, carries out limited support, is promoted
The structural stability of 8-shaped link block 4, the convenience of assembly and disassembly is good, reduce production and maintenance cost.
In the present embodiment, annular groove 12 corresponding with stop collar 2 is provided at the top of 6 endoporus of the piston barrel, cooperation is tight
Close, air-tightness is good.
In the present embodiment, 4 8-shaped link block circular array distribution is evenly distributed, stress when piston motion
Uniformly, stable structure.
In the present embodiment, indent is provided with card slot 13 corresponding with the first Spring Card 3 respectively on the 8-shaped link block,
The limit for carrying out the first Spring Card 3, avoids slipping.
In the present embodiment, compression 7 and oil ring groove 8 are provided on 6 outer wall of the piston barrel, compression 7 is located at oil ring
The top of slot 8, carries out the installation of compression ring and oil ring respectively, and air-tightness is good.
In the present embodiment, 6 bottom symmetrical of the piston barrel is provided with pin shaft fixing seat 10, in the pin shaft fixing seat 10
It is horizontally arranged with bearing pin mounting hole 9 respectively, facilitates the installation of axis pin, second spring is respectively arranged in the bearing pin mounting hole 9
Card mounting groove 11 facilitates the installation of second spring card, is limited to axis pin both ends.
The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
With novel thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as
Limitations of the present invention.
Claims (6)
1. a kind of Split piston of Spring Card limited support, which is characterized in that including：First Spring Card, piston head cover and piston
Cylinder, the piston head cover are arranged in the top of piston barrel, and the piston cap base, which is provided with, to be extended in piston barrel
Stop collar, be provided with several 8-shaped link blocks being connect with piston barrel inner wall, the stop collar on the stop collar inner wall
Indent is provided with embedded groove corresponding with 8-shaped link block, first Spring Card respectively on inner wall and piston barrel inner wall
It is arranged and carries out limited support in the loop configuration that several 8-shaped link blocks surround.
2. the Split piston of Spring Card limited support according to claim 1, which is characterized in that the piston barrel endoporus
Top is provided with annular groove corresponding with stop collar.
3. the Split piston of Spring Card limited support according to claim 1, which is characterized in that several 8-shaped connect
Connect the distribution of block circular array.
4. the Split piston of Spring Card limited support according to claim 1, which is characterized in that the 8-shaped link block
Upper indent respectively is provided with card slot corresponding with the first Spring Card.
5. the Split piston of Spring Card limited support according to claim 1, which is characterized in that the piston barrel outer wall
On be provided with compression and oil ring groove.
6. the Split piston of Spring Card limited support according to claim 1, which is characterized in that the piston barrel bottom
It is symmetrically arranged with pin shaft fixing seat, is horizontally arranged with bearing pin mounting hole, the bearing pin mounting hole in the pin shaft fixing seat respectively
In be respectively arranged with second spring card mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820267170.XU CN207989161U (en) | 2018-02-24 | 2018-02-24 | A kind of Split piston of Spring Card limited support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820267170.XU CN207989161U (en) | 2018-02-24 | 2018-02-24 | A kind of Split piston of Spring Card limited support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989161U true CN207989161U (en) | 2018-10-19 |
Family
ID=63825774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820267170.XU Expired - Fee Related CN207989161U (en) | 2018-02-24 | 2018-02-24 | A kind of Split piston of Spring Card limited support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207989161U (en) |
-
2018
- 2018-02-24 CN CN201820267170.XU patent/CN207989161U/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: 20181019 Termination date: 20190224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |