CN207813773U - A kind of built-up piston that structural strength is high - Google Patents
A kind of built-up piston that structural strength is high Download PDFInfo
- Publication number
- CN207813773U CN207813773U CN201820065956.3U CN201820065956U CN207813773U CN 207813773 U CN207813773 U CN 207813773U CN 201820065956 U CN201820065956 U CN 201820065956U CN 207813773 U CN207813773 U CN 207813773U
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- CN
- China
- Prior art keywords
- cylinder
- piston
- wall
- structural strength
- link block
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- Expired - Fee Related
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a kind of built-up pistons that structural strength is high comprising：Piston head cover, cylinder and link block, the piston cap base is provided with the stop collar extended in cylinder, the link block is connected between the inner wall of cylinder and the inner wall of stop collar, indent is provided with the first limiting slot on the inner wall of the stop collar, the first limited block extended in the first limiting slot is provided on the link block, indent is provided with the second limiting slot on the inner wall of the cylinder, the second limited block extended in the second limiting slot is provided on the link block, first gas ring slot and second gas ring slot are provided on the cylinder body outer wall, it is provided with stepped hole in the second gas ring slot, the bolt being attached with link block is provided in the stepped hole.The high built-up piston of structural strength described in the utility model carries out the reinforcement of axial arrangement by link block, improves stability when high-speed piston movement, and separate structure reduces the cost of maintenance.
Description
Technical field
The utility model is related to piston field more particularly to a kind of built-up pistons that structural strength is high.
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 structural strength of Split piston is low, affect and use
Stability needs to improve.
Utility model content
The purpose of this utility model is to provide a kind of built-up pistons that structural strength is high, promote assembling convenience and structure
Intensity lowers maintenance cost.
For this purpose, the utility model uses following technical scheme：
A kind of built-up piston that structural strength is high, including：Piston head cover, cylinder and link block, the piston head cover setting
At the top of cylinder, the piston cap base is provided with the stop collar extended in cylinder, and the link block is connected to
Between the inner wall of cylinder and the inner wall of stop collar, indent is provided with the first limiting slot, the connection on the inner wall of the stop collar
The first limited block extended in the first limiting slot is provided on block, indent is provided with the second limit on the inner wall of the cylinder
Slot is provided with the second limited block extended in the second limiting slot on the link block, first is provided on the cylinder body outer wall
Compression and second gas ring slot are provided with stepped hole in the second gas ring slot, be provided in the stepped hole with link block into
The bolt of row connection.
Wherein, indent is provided with embedded groove corresponding with stop collar on the cylinder inboard wall.
Wherein, the first gas ring slot is located at the top of second gas ring slot.
Wherein, the oil ring groove being provided in the outer circle of the cylinder below second gas ring slot.
Wherein, the cylinder body bottom is symmetrically arranged with pin shaft fixing seat, is horizontally arranged with respectively on the pin shaft fixing seat
Bearing pin mounting hole.
Wherein, it is respectively arranged with Spring Card mounting groove in the bearing pin mounting hole.
The beneficial effects of the utility model：A kind of built-up piston that structural strength is high reinforces piston head cover using stop collar
With the cooperation of cylinder, radial structure intensity is improved, and air-tightness is good, and carries out the reinforcement of axial arrangement by link block,
Improve high-speed piston movement when stability, separate structure, installation and removal it is relatively convenient, reduce safeguard respectively at
This.
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 built-up piston that structural strength is high, including：Piston head cover 1, cylinder 6 and 4 link blocks 3, the piston top
Lid 1 is arranged at the top of cylinder 6, and 1 bottom of piston head cover is provided with the stop collar 2 extended in cylinder 6, and installation facilitates,
Radial strength is high.
4 link blocks 3 are connected between the inner wall of cylinder 6 and the inner wall of stop collar 2, the stop collar 2
Indent is provided with the first limiting slot 4 on inner wall, and the first limit extended in the first limiting slot 4 is provided on the link block 3
Block 5, indent is provided with the second limiting slot 10 on the inner wall of the cylinder 6, is provided on the link block 3 and extends to the second limit
The second limited block 14 in slot 10, strengthens the axial bonding strength of piston head cover 1 and cylinder 6.
It is provided with first gas ring slot 7 and second gas ring slot 8 on 6 outer wall of the cylinder, is provided in the second gas ring slot 8
Stepped hole is provided with the bolt 15 being attached with link block 3 in the stepped hole, and separate structure, installation and removal are than very fast
Victory reduces maintenance cost.
In the present embodiment, indent is provided with embedded groove 16 corresponding with stop collar 2 on 6 inner wall of the cylinder, and cooperation is close,
Air-tightness is good.
In the present embodiment, the first gas ring slot 7 is located at the top of second gas ring slot 8, carries out the installation of compression ring, institute respectively
The oil ring groove 12 being provided in the outer circle of cylinder 6 positioned at 8 lower section of second gas ring slot is stated, the installation of oil ring is carried out.
In the present embodiment, 6 bottom symmetrical of the cylinder is provided with pin shaft fixing seat 13, distinguishes on the pin shaft fixing seat 13
It is horizontally arranged with bearing pin mounting hole 9, facilitates the installation of axis pin.
In the present embodiment, it is respectively arranged with Spring Card mounting groove 11 in the bearing pin mounting hole 9, carries out Spring Card respectively
Installation, limits 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 built-up piston that structural strength is high, which is characterized in that including：Piston head cover, cylinder and link block, the piston
Head cover is arranged at the top of cylinder, and the piston cap base is provided with the stop collar extended in cylinder, the link block point
It not being connected between the inner wall of cylinder and the inner wall of stop collar, indent is provided with the first limiting slot on the inner wall of the stop collar,
The first limited block extended in the first limiting slot is provided on the link block, indent is provided on the inner wall of the cylinder
Two limiting slots are provided with the second limited block extended in the second limiting slot on the link block, are arranged on the cylinder body outer wall
There are first gas ring slot and second gas ring slot, stepped hole is provided in the second gas ring slot, be provided in the stepped hole and connect
Connect the bolt that block is attached.
2. the high built-up piston of structural strength according to claim 1, which is characterized in that interior recessed on the cylinder inboard wall
It is equipped with embedded groove corresponding with stop collar.
3. the high built-up piston of structural strength according to claim 1, which is characterized in that the first gas ring slot is located at the
The top of two compressions.
4. the high built-up piston of structural strength according to claim 3, which is characterized in that be arranged in the outer circle of the cylinder
There is the oil ring groove below second gas ring slot.
5. the high built-up piston of structural strength according to claim 1, which is characterized in that the cylinder body bottom is symmetrical arranged
There is pin shaft fixing seat, bearing pin mounting hole is horizontally arranged with respectively on the pin shaft fixing seat.
6. the high built-up piston of structural strength according to claim 5, which is characterized in that in the bearing pin mounting hole respectively
It is provided with Spring Card mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820065956.3U CN207813773U (en) | 2018-01-16 | 2018-01-16 | A kind of built-up piston that structural strength is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820065956.3U CN207813773U (en) | 2018-01-16 | 2018-01-16 | A kind of built-up piston that structural strength is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207813773U true CN207813773U (en) | 2018-09-04 |
Family
ID=63327290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820065956.3U Expired - Fee Related CN207813773U (en) | 2018-01-16 | 2018-01-16 | A kind of built-up piston that structural strength is high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207813773U (en) |
-
2018
- 2018-01-16 CN CN201820065956.3U patent/CN207813773U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20210116 |