CN203271849U - Engine exhaust seat ring - Google Patents
Engine exhaust seat ring Download PDFInfo
- Publication number
- CN203271849U CN203271849U CN 201220748286 CN201220748286U CN203271849U CN 203271849 U CN203271849 U CN 203271849U CN 201220748286 CN201220748286 CN 201220748286 CN 201220748286 U CN201220748286 U CN 201220748286U CN 203271849 U CN203271849 U CN 203271849U
- Authority
- CN
- China
- Prior art keywords
- seat ring
- engine exhaust
- exhaust seat
- hole
- engine
- 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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- Lift Valve (AREA)
Abstract
The utility model relates to the field of engine mechanical equipment, in particular to an engine exhaust seat ring. The technical scheme for solving the technical problem is that the engine exhaust seat ring comprises a cylindrical seat ring with a ventilation hole, wherein the ventilation hole is conical and consists of an upper throat and a lower throat; the upper throat is a circular or cylindrical hole with a cambered section; and the lower throat is a conical hole with big bottom and small top. The engine exhaust seat ring has the beneficial effects that the engine exhaust valve seat ring has a simple structure and is convenient in a machining process, an overlarge gap caused by wear of the exhaust seat ring is reduced, the wear is reduced and the life of the engine is prolonged.
Description
Technical field
The utility model relates to the engine mechanical apparatus field, relates in particular to a kind of engine exhaust seat ring.
Background technique
Be equipped with the exhaust seat ring that inner ring is Straight in existing general purpose engine driving mechanism, exist the equipped untight problem of exhaust seat ring inner ring and transmission shaft, cause to add galling, vibration and noise, reduced the life-span of motor.
The model utility content
Technical problem to be solved in the utility model is the present situation for prior art, provides a kind of simple in structure, and course of working is convenient, is equipped with and can satisfies the exhaust seat ring of usage requirement closely.
The technological scheme that the utility model solves the problems of the technologies described above is as follows: a kind of engine exhaust seat ring, comprise the cylindrical raceway with vent, described vent is cone shape hole, vent is comprised of superior laryngeal aperture and lower aditus laryngis, superior laryngeal aperture is circular hole or the cylindrical hole of circular arc for its section, and lower aditus laryngis is lower large little cone shape hole.
Further, the number of degrees of the cone angle of the cone shape hole of described lower aditus laryngis are that 60 degree are to 90 degree.
Further, the number of degrees of the cone angle of the cone shape hole of described lower aditus laryngis are 60 degree.
Further, the external diameter of described seat ring is 30 millimeters.
The beneficial effects of the utility model are: engine exhaust valve stand coil structures of the present utility model is simple, and course of working is convenient, has reduced the excesssive gap that the exhaust seat ring wearing and tearing cause, and has reduced wearing and tearing, has extended the life-span of motor.
Description of drawings
Fig. 1 is structure sectional view of the present utility model.
In accompanying drawing, the list of parts of each label representative is as follows:
1, seat ring, 2, superior laryngeal aperture, 3, lower aditus laryngis.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example only is used for explaining the utility model, is not be used to limiting scope of the present utility model.
As shown in Figure 1, a kind of engine exhaust seat ring described in the utility model, comprise the cylindrical raceway 1 with vent, vent is cone shape hole, and vent is comprised of superior laryngeal aperture 2 and lower aditus laryngis 3, and superior laryngeal aperture 2 is circular hole or the cylindrical hole of circular arc for its section, lower aditus laryngis 3 is lower large little cone shape hole, the number of degrees of the cone angle of the cone shape hole of lower aditus laryngis 3 be 60 the degree to 90 the degree, the number of degrees of the cone angle of the cone shape hole of lower aditus laryngis 3 be 60 the degree, the external diameter of seat ring 1 is 30 millimeters.
The above is only preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. engine exhaust seat ring, comprise the cylindrical raceway with vent, it is characterized in that: described vent is cone shape hole, vent is comprised of superior laryngeal aperture and lower aditus laryngis, superior laryngeal aperture is circular hole or the cylindrical hole of circular arc for its section, lower aditus laryngis is lower large little cone shape hole, and the number of degrees of the cone angle of the cone shape hole of described lower aditus laryngis are that 60 degree are to 90 degree.
2. a kind of engine exhaust seat ring according to claim 1 is characterized in that: the number of degrees of the cone angle of the cone shape hole of described lower aditus laryngis are 60 degree.
3. a kind of engine exhaust seat ring according to claim 1, it is characterized in that: the external diameter of described seat ring is 30 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748286 CN203271849U (en) | 2012-12-30 | 2012-12-30 | Engine exhaust seat ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748286 CN203271849U (en) | 2012-12-30 | 2012-12-30 | Engine exhaust seat ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203271849U true CN203271849U (en) | 2013-11-06 |
Family
ID=49502287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220748286 Expired - Fee Related CN203271849U (en) | 2012-12-30 | 2012-12-30 | Engine exhaust seat ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203271849U (en) |
-
2012
- 2012-12-30 CN CN 201220748286 patent/CN203271849U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20131230 |