CN2608705Y - Piston sealing device for internal combustion engine - Google Patents
Piston sealing device for internal combustion engine Download PDFInfo
- Publication number
- CN2608705Y CN2608705Y CN 02268954 CN02268954U CN2608705Y CN 2608705 Y CN2608705 Y CN 2608705Y CN 02268954 CN02268954 CN 02268954 CN 02268954 U CN02268954 U CN 02268954U CN 2608705 Y CN2608705 Y CN 2608705Y
- Authority
- CN
- China
- Prior art keywords
- ring
- piston
- combustion engine
- internal combustion
- utility
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 14
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 11
- 238000007142 ring opening reaction Methods 0.000 abstract 2
- 239000010705 motor oil Substances 0.000 abstract 1
- 239000010721 machine oil Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model relates to a piston sealing device of an internal combustion engine, which is provided with two ring grooves on a piston, wherein two ring openings of the piston ring with 180 degrees relative are arranged in each ring groove, the inner piston ring is an L-shaped section ring, and the inner piston ring and the outer piston ring are overlapped. The utility model discloses the ring opening wear resistance of piston ring is strong, uses for a long time and can not produce gas leakage combustion engine oil, and is sealed effectual. The utility model has simple structure, low cost and convenient use.
Description
Technical field
The utility model relates to a kind of seal arrangement of internal-combustion engine, a kind of specifically sealing device for internal combustion engine piston.
Background technique
We know that at present, sealing device for internal combustion engine piston is to be provided with one or more circular grooves on piston, is generally parallel three, and a piston ring is installed in each circular groove, realize the sealing between piston and the cylinder.When the seal arrangement of this structure was worked, the collar extension of piston ring was worn and torn for a long time, and collar extension can increase, and easily produced gas leakage and burning machine oil, each movable part of damage internal body.
Summary of the invention
Technical problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of simple structure is provided, and cost is low, and is easy to use, good sealing effect, air tight, the sealing device for internal combustion engine piston of fuel oil not.
The technical scheme in the invention for solving the above technical problem is: a kind of sealing device for internal combustion engine piston, it is characterized in that: piston is provided with two circular grooves, the piston ring of two relative 180 degree of collar extension is installed in each circular groove, inside and outside piston ring is folded mutually, and wherein the inner carrier ring is a L shaped cross section ring.
The utility model is owing to install the inside and outside piston ring of two relative 180 degree of collar extension in the circular groove, inside and outside piston ring is folded mutually, and wherein interior ring is L shaped cross section ring, against existing technologies, the collar extension wear resistance of piston ring is strong, and long-time use can not produce gas leakage burning machine oil, good sealing effect.The utility model simple structure, cost is low, and is easy to use.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
1. pistons among the figure, 2. circular groove, 3. inner carrier ring, 4. outer piston ring.
Embodiment
As can be seen from Figure 1, a kind of sealing device for internal combustion engine piston, its piston 1 is provided with two circular grooves 2, and piston 1 other structure is identical with existing piston.The piston ring 3,4 of two relative 180 degree of collar extension is installed in each circular groove, and inside and outside piston ring 3,4 is folded mutually, and wherein inner carrier ring 3 is a L shaped cross section ring.Realize the sealing between piston and the cylinder.
The utility model is owing to install the inside and outside piston ring of two relative 180 degree of collar extension in the circular groove, inside and outside piston ring is folded mutually, and wherein interior ring is L shaped cross section ring.Piston ring adopts 15CrMoCu materials processing, chrome-faced.Against existing technologies, the collar extension wear resistance of piston ring is strong, and long-time use can not produce gas leakage burning machine oil, good sealing effect.The utility model simple structure, cost is low, and is easy to use.
Claims (1)
1. sealing device for internal combustion engine piston, it is characterized in that: piston is provided with two circular grooves, and the piston ring of two relative 180 degree of collar extensions is installed in each circular groove, and inside and outside piston ring is folded mutually, and wherein the inner carrier ring is a L shaped cross section ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02268954 CN2608705Y (en) | 2002-08-13 | 2002-08-13 | Piston sealing device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02268954 CN2608705Y (en) | 2002-08-13 | 2002-08-13 | Piston sealing device for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2608705Y true CN2608705Y (en) | 2004-03-31 |
Family
ID=34150296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02268954 Expired - Fee Related CN2608705Y (en) | 2002-08-13 | 2002-08-13 | Piston sealing device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2608705Y (en) |
-
2002
- 2002-08-13 CN CN 02268954 patent/CN2608705Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |