CN204941717U - A kind of piston of automobile - Google Patents
A kind of piston of automobile Download PDFInfo
- Publication number
- CN204941717U CN204941717U CN201520628195.4U CN201520628195U CN204941717U CN 204941717 U CN204941717 U CN 204941717U CN 201520628195 U CN201520628195 U CN 201520628195U CN 204941717 U CN204941717 U CN 204941717U
- Authority
- CN
- China
- Prior art keywords
- piston
- groove
- arranges
- side ring
- connectivity slot
- 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 relates to a kind of piston of automobile, comprise a piston only, piston only is cylindrical, piston only comprises, lower surface, and side ring surface, the upper surface of piston only is provided with main mounting hole, the side ring surface of piston only arranges the connectivity slot be connected with main mounting hole, connectivity slot is cylindrical, the axle center eccentric setting of connectivity slot and piston only, the periphery, side ring surface of piston only arranges one and installs protuberance, the periphery of installing protuberance arranges two circle closure gasket grooves, closure gasket groove is arranged separately, the bottom of closure gasket groove arranges a circle and installs annular groove, the width of closure gasket groove is the half of the width installing annular groove, the degree of depth of closure gasket groove is greater than the degree of depth of installing annular groove, annular groove is installed there is a groove bottom, groove bottom arranges some air holes, air hole is connected with main mounting hole, air hole, main mounting hole and connectivity slot form venting flow path jointly, the side ring surface of piston only is also provided with a profile of tooth assembly department.
Description
Technical field
The utility model relates to a kind of auto parts and components, particularly relates to a kind of piston of automobile.
Background technique
The central position of piston type automobile motor, the operation of whole motor accounts for extremely important status.Piston is in use connected with connecting rod, and cooperatively interacting with connecting rod realizes the piston movement of piston, provides power.The mode that piston is connected with connecting rod is realized by the small end bushing of wrist pin through connecting rod.When reality uses, piston movement can cause the little interfacing generation relative sliding with connecting rod, thus aggravation and the friction of cylinder inner wall, damage cylinder.
Summary of the invention
The purpose of this utility model is to provide a kind of cooperation with connecting rod to stablize, and reduces friction, good heat dissipation, improves the piston of automobile in working life.
A kind of piston of automobile, comprise a piston only, described piston only is cylindrical, piston only comprises, lower surface, and side ring surface, the upper surface of piston only is provided with main mounting hole, the side ring surface of piston only arranges the connectivity slot be connected with main mounting hole, described connectivity slot is cylindrical, the axle center eccentric setting of connectivity slot and piston only, the periphery, side ring surface of piston only arranges one and installs protuberance, the periphery of described installation protuberance arranges two circle closure gasket grooves, described closure gasket groove is arranged separately, the bottom of closure gasket groove arranges a circle and installs annular groove, the width of described closure gasket groove is the half of the width of described installation annular groove, the degree of depth of closure gasket groove is greater than the degree of depth of described installation annular groove, described installation annular groove has a groove bottom, described groove bottom arranges some air holes, described air hole is connected with main mounting hole, described air hole, main mounting hole and connectivity slot form venting flow path jointly, the side ring surface of described piston only is also provided with a profile of tooth assembly department.
Preferably, the lower surface of described piston only arranges a circle demoulding groove, and described demoulding groove center is around a groove bottom, and described groove bottom is arranged lower than the periphery of the lower surface of described piston, and the side ring surface of described piston is also provided with sidepiece mounting groove.
Preferably, the outer side surface of sidepiece mounting groove arranges at least two pressing convex tendons, and the bottom of described pressing convex tendon is between described demoulding groove and groove bottom, and the top of pressing convex tendon is positioned at below described installation annular groove.
Preferably, the eccentric distance between described connectivity slot and piston only is 0.5mm.
The beneficial effects of the utility model are: the upper surface of piston only is provided with main mounting hole, the side ring surface of piston only arranges the connectivity slot be connected with main mounting hole, described connectivity slot is cylindrical, the axle center eccentric setting of connectivity slot and piston only, the periphery, side ring surface of piston only arranges one and installs protuberance, the periphery of described installation protuberance arranges two circle closure gasket grooves, be combined stable after described piston of automobile assembling with connecting rod, not easily slide, reduce, with the friction of cylinder inner wall, to improve working life; Arrange demoulding groove, described demoulding groove center is around a groove bottom, and described groove bottom is arranged lower than the periphery of the lower surface of described piston, and the side ring surface of described piston is also provided with sidepiece mounting groove, and good heat dissipation when piston uses, is easy to shaping.
Accompanying drawing explanation
Accompanying drawing 1 is the plan view of piston of automobile described in the utility model.
Accompanying drawing 2 is the side view of piston of automobile described in the utility model.
Embodiment
Accompanying drawings, 2 are depicted as a kind of piston of automobile described in the utility model, comprise a piston only 1, described piston only 1 is cylindrical, piston only 1 comprises upper surface 13, lower surface 14, and side ring surface 15, the upper surface 13 of piston only 1 is provided with main mounting hole 2, the side ring surface 15 of piston only 1 arranges the connectivity slot 3 be connected with main mounting hole 2, described connectivity slot 3 is cylindrical, the axle center eccentric setting of connectivity slot 3 and piston only 1, the periphery, side ring surface 15 of piston only 1 arranges one and installs protuberance 4, the periphery of described installation protuberance 4 arranges two circle closure gasket grooves 5, described closure gasket groove 5 is arranged separately, the bottom of closure gasket groove 5 arranges a circle and installs annular groove 6, the width of described closure gasket groove 5 is the half of the width of described installation annular groove 6, the degree of depth of closure gasket groove 5 is greater than the degree of depth of described installation annular groove 6, described installation annular groove 6 has a groove bottom 7, described groove bottom 7 arranges some air holes 8, described air hole 8 is connected with main mounting hole 2, described air hole 8, main mounting hole 2 forms venting flow path jointly with connectivity slot 3, the side ring surface 15 of described piston only 1 is also provided with a profile of tooth assembly department 9.
Preferably, the lower surface 14 of described piston only 1 arranges a circle demoulding groove 10, described demoulding groove 10 center is around a groove bottom 7, and described groove bottom 7 is arranged lower than the periphery of the lower surface 14 of described piston, and the side ring surface 15 of described piston is also provided with sidepiece mounting groove 11.
Preferably, the outer side surface of sidepiece mounting groove 11 arranges at least two pressing convex tendons 12, and the bottom of described pressing convex tendon 12 is between described demoulding groove 10 and groove bottom 7, and the top of pressing convex tendon 12 is positioned at below described installation annular groove 6.
Preferably, the eccentric distance between described connectivity slot 3 and piston only 1 is 0.5mm.
From above to description of the present utility model: the upper surface of piston only is provided with main mounting hole, the side ring surface of piston only arranges the connectivity slot be connected with main mounting hole, described connectivity slot is cylindrical, the axle center eccentric setting of connectivity slot and piston only, the periphery, side ring surface of piston only arranges one and installs protuberance, the periphery of described installation protuberance arranges two circle closure gasket grooves, be combined stable after described piston of automobile assembling with connecting rod, not easily slide, reduce, with the friction of cylinder inner wall, to improve working life; Arrange demoulding groove, described demoulding groove center is around a groove bottom, and described groove bottom is arranged lower than the periphery of the lower surface of described piston, and the side ring surface of described piston is also provided with sidepiece mounting groove, and good heat dissipation when piston uses, is easy to shaping.
Claims (4)
1. a piston of automobile, it is characterized in that: comprise a piston only, described piston only is cylindrical, piston only comprises, lower surface, and side ring surface, the upper surface of piston only is provided with main mounting hole, the side ring surface of piston only arranges the connectivity slot be connected with main mounting hole, described connectivity slot is cylindrical, the axle center eccentric setting of connectivity slot and piston only, the periphery, side ring surface of piston only arranges one and installs protuberance, the periphery of described installation protuberance arranges two circle closure gasket grooves, described closure gasket groove is arranged separately, the bottom of closure gasket groove arranges a circle and installs annular groove, the width of described closure gasket groove is the half of the width of described installation annular groove, the degree of depth of closure gasket groove is greater than the degree of depth of described installation annular groove, described installation annular groove has a groove bottom, described groove bottom arranges some air holes, described air hole is connected with main mounting hole, described air hole, main mounting hole and connectivity slot form venting flow path jointly, the side ring surface of described piston only is also provided with a profile of tooth assembly department.
2. piston of automobile according to claim 1, it is characterized in that: the lower surface of described piston only arranges a circle demoulding groove, described demoulding groove center is around a groove bottom, described groove bottom is arranged lower than the periphery of the lower surface of described piston, and the side ring surface of described piston is also provided with sidepiece mounting groove.
3. piston of automobile according to claim 2, it is characterized in that: the outer side surface of sidepiece mounting groove arranges at least two pressing convex tendons, the bottom of described pressing convex tendon is between described demoulding groove and groove bottom, and the top of pressing convex tendon is positioned at below described installation annular groove.
4. piston of automobile according to claim 1, is characterized in that: the eccentric distance between described connectivity slot and piston only is 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520628195.4U CN204941717U (en) | 2015-08-20 | 2015-08-20 | A kind of piston of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520628195.4U CN204941717U (en) | 2015-08-20 | 2015-08-20 | A kind of piston of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204941717U true CN204941717U (en) | 2016-01-06 |
Family
ID=55009156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520628195.4U Expired - Fee Related CN204941717U (en) | 2015-08-20 | 2015-08-20 | A kind of piston of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204941717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187619A (en) * | 2021-06-08 | 2021-07-30 | 宁波瑾科机械制造有限公司 | Piston for vehicle |
-
2015
- 2015-08-20 CN CN201520628195.4U patent/CN204941717U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187619A (en) * | 2021-06-08 | 2021-07-30 | 宁波瑾科机械制造有限公司 | Piston for vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20160820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |