CN207813771U - It is a kind of to position efficiently built-up piston - Google Patents
It is a kind of to position efficiently built-up piston Download PDFInfo
- Publication number
- CN207813771U CN207813771U CN201820056290.5U CN201820056290U CN207813771U CN 207813771 U CN207813771 U CN 207813771U CN 201820056290 U CN201820056290 U CN 201820056290U CN 207813771 U CN207813771 U CN 207813771U
- Authority
- CN
- China
- Prior art keywords
- piston
- barrel
- piston barrel
- head cover
- baffle ring
- 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
Links
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
Efficiently built-up piston is positioned the utility model discloses a kind of comprising：Piston head cover and piston barrel, the piston head cover is arranged concentrically on the top of piston barrel, several positioning pins are set between the piston head cover and piston barrel, the piston cap base is provided with the baffle ring extended in piston barrel, the top edge of the piston barrel is recessed to be provided with first gas ring slot, indent is provided with second gas ring slot on the outer wall of the piston barrel, the stepped hole for being directed toward baffle ring is provided in the second gas ring slot, the bolt being connect with baffle ring is provided in the stepped hole, the bottom symmetrical of the piston barrel is provided with axis pin mounting base.It is described in the utility model to position efficiently built-up piston, utilize several positioning pins to carry out the positioning of piston head cover and piston barrel, assembly precision is high, structure is more stablized, and using the connection of baffle ring and bolt, the convenience of installation and removal is improved, lower maintenance cost.
Description
Technical field
The utility model is related to piston field more particularly to a kind of positioning efficiently built-up pistons.
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 Split piston positioning accuracy when assembled is low, affects
The stability used.
Utility model content
The purpose of this utility model is to provide a kind of positioning, efficiently built-up piston, promotion positioning accuracy and assembling facilitate
Property, reinforce stability in use.
For this purpose, the utility model uses following technical scheme：
A kind of positioning efficiently built-up piston, including：Piston head cover and piston barrel, the piston head cover are arranged concentrically on
Several positioning pins, the piston cap base setting is arranged in the top of piston barrel between the piston head cover and piston barrel
There is the baffle ring extended in piston barrel, the top edge of the piston barrel is recessed to be provided with first gas ring slot, the piston
Indent is provided with second gas ring slot on the outer wall of cylinder, and the stepped hole for being directed toward baffle ring is provided in the second gas ring slot, described
The bolt being connect with baffle ring is provided in stepped hole, the bottom symmetrical of the piston barrel is provided with axis pin mounting base.
Wherein, the bottom surface of the piston head cover is provided with first positioning hole corresponding at the top of positioning pin, the piston cylinder
Body top surface is provided with second location hole corresponding with positioning pin bottom.
Wherein, the outer wall of the baffle ring and the inner wall of piston barrel fit.
Wherein, indent is provided with the oil ring groove below second gas ring slot on the outer wall of the piston barrel.
Wherein, it is horizontally arranged with bearing pin mounting hole respectively in the axis pin mounting base.
Wherein, it is provided with Spring Card mounting groove in the bearing pin mounting hole.
The beneficial effects of the utility model：It is a kind of to position efficiently built-up piston, utilize several positioning pins to carry out piston top
The positioning of lid and piston barrel, assembly precision is high, and structure is more stablized, and using the connection of baffle ring and bolt, improves installation
With the convenience of dismounting, lower maintenance cost.
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 positioning efficiently built-up piston, including：Piston head cover 1 and piston barrel 2, the piston head cover 1 are set with one heart
3 positioning pins 3 of setting between the top of piston barrel 2, the piston head cover 1 and piston barrel 2 are set, 3 positioning pins are utilized
The positioning of piston head cover 1 and piston barrel 2 is carried out, assembly precision is high, avoids torsion problem, and structure is more stablized.
1 bottom of piston head cover is provided with the baffle ring 4 extended in piston barrel 2, the top surface side of the piston barrel 2
Edge is recessed to be provided with first gas ring slot 10, and indent is provided with second gas ring slot 12 on the outer wall of the piston barrel 2, facilitates gas
The installation of ring, air-tightness are good.
It is provided with the stepped hole for being directed toward baffle ring 4 in the second gas ring slot 12, is provided in the stepped hole and connects with baffle ring 4
The bolt 7 connect, the connection of baffle ring 4 and bolt 7 improve the convenience of installation and removal, lower maintenance cost.
In the present embodiment, the bottom surface of the piston head cover 1 is provided with first positioning hole 5 corresponding with 3 top of positioning pin, institute
It states 2 top surface of piston barrel and is provided with second location hole 6 corresponding with 3 bottom of positioning pin, the installation facility of positioning pin 3 improves
Assemble agility.
In the present embodiment, the inner wall of the outer wall and piston barrel 2 of the baffle ring 4 fits, and structure is more stablized, Er Qiemi
Envelope property is good.
In the present embodiment, indent is provided with the oil ring positioned at 12 lower section of second gas ring slot on the outer wall of the piston barrel 2
Slot 13 carries out the installation of oil ring.
In the present embodiment, the bottom symmetrical of the piston barrel 2 is provided with axis pin mounting base 9, in the axis pin mounting base 9
It is horizontally arranged with bearing pin mounting hole 8 respectively, facilitates the installation of axis pin.
In the present embodiment, it is provided with Spring Card mounting groove 11 in the bearing pin mounting hole 9, carries out the installation of Spring Card, into
It is on sale throughout the limit of shaft end.
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 positioning efficiently built-up piston, which is characterized in that including：Piston head cover and piston barrel, the piston head cover
It is arranged concentrically on the top of piston barrel, several positioning pins, the piston top are set between the piston head cover and piston barrel
Base portion is provided with the baffle ring extended in piston barrel, and the top edge of the piston barrel is recessed to be provided with first gas ring
Slot, indent is provided with second gas ring slot on the outer wall of the piston barrel, is provided in the second gas ring slot and is directed toward baffle ring
Stepped hole, the bolt being connect with baffle ring is provided in the stepped hole, and the bottom symmetrical of the piston barrel is provided with axis pin peace
Fill seat.
2. according to claim 1 position efficiently built-up piston, which is characterized in that the bottom surface of the piston head cover is arranged
There is first positioning hole corresponding at the top of positioning pin, it is fixed that the piston barrel top surface is provided with corresponding with positioning pin bottom second
Position hole.
3. according to claim 1 position efficiently built-up piston, which is characterized in that the outer wall and piston cylinder of the baffle ring
The inner wall of body fits.
4. according to claim 1 position efficiently built-up piston, which is characterized in that on the outer wall of the piston barrel
The recessed oil ring groove being equipped with below second gas ring slot.
5. according to claim 1 position efficiently built-up piston, which is characterized in that horizontal respectively in the axis pin mounting base
To being provided with bearing pin mounting hole.
6. according to claim 5 position efficiently built-up piston, which is characterized in that be provided in the bearing pin mounting hole
Spring Card mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820056290.5U CN207813771U (en) | 2018-01-15 | 2018-01-15 | It is a kind of to position efficiently built-up piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820056290.5U CN207813771U (en) | 2018-01-15 | 2018-01-15 | It is a kind of to position efficiently built-up piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207813771U true CN207813771U (en) | 2018-09-04 |
Family
ID=63327131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820056290.5U Expired - Fee Related CN207813771U (en) | 2018-01-15 | 2018-01-15 | It is a kind of to position efficiently built-up piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207813771U (en) |
-
2018
- 2018-01-15 CN CN201820056290.5U patent/CN207813771U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207813771U (en) | It is a kind of to position efficiently built-up piston | |
| CN207813772U (en) | A kind of Split piston of stable structure | |
| CN207989158U (en) | A kind of convenient Split piston of handling | |
| CN207813773U (en) | A kind of built-up piston that structural strength is high | |
| CN207813774U (en) | A kind of piston that oil storage box is embedded | |
| CN207813770U (en) | A kind of built-up piston of built-in heat-dissipating cylinder | |
| CN207989159U (en) | A kind of built-up piston including thread bush | |
| CN207813769U (en) | A kind of Split piston that heat dissipation is reinforced | |
| CN207989157U (en) | It is a kind of to safeguard convenient Split piston | |
| CN207813767U (en) | It is a kind of to assemble efficiently Split piston | |
| CN207989160U (en) | A kind of built-up piston of built-in thermal column | |
| CN208778388U (en) | A kind of differential lock cylinder | |
| CN207813779U (en) | A kind of built-up piston of pin shaft fixing seat limit | |
| CN206816377U (en) | A kind of high Split piston of structural strength | |
| CN206816375U (en) | A kind of spacing built-up piston of buckle | |
| CN206694141U (en) | A kind of Split piston of capping type | |
| CN206694138U (en) | A kind of Split piston quick for installation | |
| CN211196405U (en) | Mounting structure of lid behind lift cylinder | |
| CN207813778U (en) | A kind of oil cooled piston of pin shaft fixing seat storage | |
| CN208587237U (en) | A kind of engine camshaft bearing cap | |
| CN206816378U (en) | A kind of Split piston being fixed using bearing pin mounting seat | |
| CN207813768U (en) | A kind of Split piston that head cover cooling is reinforced | |
| CN208503246U (en) | Connecting rod, pump assembly, compressor | |
| CN208330563U (en) | A kind of convenient Split piston of pin shaft installation | |
| CN206419118U (en) | A kind of crankcase structure of five plungers of column piston |
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: 20210115 |