CN205260175U - Compound air intake manifold that sprays of direct injection gasoline engine - Google Patents
Compound air intake manifold that sprays of direct injection gasoline engine Download PDFInfo
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- CN205260175U CN205260175U CN201521131344.2U CN201521131344U CN205260175U CN 205260175 U CN205260175 U CN 205260175U CN 201521131344 U CN201521131344 U CN 201521131344U CN 205260175 U CN205260175 U CN 205260175U
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- air intake
- petrol engine
- cylinder
- direct spray
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Abstract
The utility model belongs to the technical field of air intake manifold, refer in particular to a compound air intake manifold that sprays of direct injection gasoline engine, include the manifold body that has the inner chamber by piece sealing connection formation under the last piece of manifold and the manifold, one side of manifold body is formed with the three air intake branch that has a linear type runner with manifold body inner chamber intercommunication, near being equipped with the nozzle opening on the air intake branch inside wall of air intake branch outer end, the outer end integrated into one piece of three air intake branch has the cylinder cap ring flange, the opposite side of piece is equipped with and has an outlet duct that the arc goes out the flow channel with manifold body inner chamber is linked together under the manifold, all be provided with the net muscle on the manifold under piece and the manifold on the surface of piece, the advantage is: great improvement the fuel economy of engine, the performance that makes the engine obtains the performance of maximize, moreover through being equipped with the net muscle on the surface at the manifold body, the effectual intensity that improves the manifold body, the life of extension manifold.
Description
Technical field
The utility model belongs to inlet manifold technical field, refers in particular to a kind of direct spray petrol engine in cylinder composite injection and entersGas manifold.
Background technology
Inlet manifold is the parts of engine aspirating system most critical, the general and air inlet of direct spray petrol engine in cylinderThe manifold use that combines, fuel injector is arranged in inlet manifold, and fuel injector sprays into gasoline in inlet manifold,The gasoline spraying into and air are mixed to form combustion mixture in inlet manifold. But existing inlet manifoldThe rear combustion mixture of being combined with direct spray petrol engine in cylinder can not be fully burned, and causes the property of engineCan not get maximum performance, and fuel economy is poor, in addition manifold relatively simple for structure,Fragile, the service life of manifold is shorter.
Summary of the invention
The purpose of this utility model is to provide a kind of effective raising engine performance, raising fuel economyDirect spray petrol engine in cylinder composite injection inlet manifold.
The purpose of this utility model is achieved in that
Direct spray petrol engine in cylinder composite injection inlet manifold, comprises by sheet under manifold upper slice and manifold and being tightly connectedFormation has the manifold body of inner chamber, and a side of manifold body is formed with and having that manifold body inner chamber is communicated withThree air intake branches of linear pattern runner, are provided with oil spout near the air intake branch madial wall of air intake branch outer endHole, the outer end of three air intake branches is one-body molded cylinder cap ring flange, and under manifold, the opposite side of sheet is provided with and discriminationThe escape pipe that has arc and go out flow channel of tube body intracavity inter-connection, the outer end of escape pipe is one-body molded jointValve ring flange, under manifold, the outer surface of sheet is provided with vacuum tube joint, under manifold upper slice and manifold sheet outsideOn surface, be provided with grid ribs.
In technique scheme, described nozzle opening is inclined to set.
In technique scheme, described throttle flange dish is to lopsidedness setting.
In technique scheme, in the each installing hole on described cylinder cap ring flange, be all set with lining.
In technique scheme, in the each installing hole on described throttle flange dish, be all set with nut.
In technique scheme, the end face of the cylinder cap ring flange outside the air inlet of described each air intake branch withOn the end face of throttle flange dish, be equipped with annular seal groove, in annular seal groove, be provided with sealing ring, sealing ringThe degree of depth of height > annular seal groove.
In technique scheme, the end face of the cylinder cap ring flange outside the air inlet of described each air intake branch withOn the end face of throttle flange dish, be equipped with the draw-in groove being connected with annular seal groove, the inner side of described sealing ringOn wall and lateral wall, be all circumferentially arranged at intervals with several projections, the lateral wall of described sealing ring is provided with and can blocksBe connected on the raised line in draw-in groove.
In technique scheme, the annular seal groove on described cylinder cap ring flange and the part of sealing ring are coneShape structure.
In technique scheme, under described manifold upper slice or manifold the outer edge of sheet be provided with annular groove orAnnular protrusion, under described manifold the outer edge of sheet and manifold upper slice be provided with the annular protrusion that is interlocked with it orAnnular groove.
In technique scheme, on the end face of described cylinder cap ring flange, be interval with positioning convex, cylinder cap methodOn the end face of blue dish and throttle flange dish, be equipped with reinforcement.
The utility model compared to existing technology outstanding and useful technique effect is:
The utility model use that combines with direct spray petrol engine in cylinder, because the runner in arm is linear pattern streamRoad, and be provided with nozzle opening near the runner of arm outer end, nozzle opening is inclined to set, at this knotThe sufficient burning that the combustion mixture forming in the inlet manifold of structure can arrive, has improved engine greatlyFuel economy, make the performance of engine obtain maximized performance, and by manifold bodyOuter surface is provided with grid ribs, effectively raises the intensity of manifold body, extends the service life of manifold.
Brief description of the drawings
Fig. 1 is one of perspective view of the present utility model.
Fig. 2 is two of perspective view of the present utility model.
Fig. 3 is blast structural representation of the present utility model.
Fig. 4 is cross-sectional view of the present utility model.
Fig. 5 is sectional perspective structural representation of the present utility model.
Fig. 6 is part section structural representation of the present utility model.
Fig. 7 is the perspective view of sealing ring embodiment mono-of the present utility model.
Fig. 8 is the perspective view of sealing ring embodiment bis-of the present utility model.
Fig. 9 is the perspective view of sheet under manifold of the present utility model.
Figure 10 is the perspective view of manifold upper slice of the present utility model.
Detailed description of the invention
The utility model is further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1-10:
Direct spray petrol engine in cylinder composite injection inlet manifold, comprises by sheet 2 under manifold upper slice 1 and manifold and sealingBe connected to form the manifold body 3 with inner chamber, a side of manifold body 3 is formed with manifold body 3 inner chambers and connectsLogical three air intake branches 5 with linear pattern runner 4, in the air intake branch 5 near air intake branch 5 outer endsSidewall is provided with that the outer end of 6, three air intake branches 5 of nozzle opening is one-body molded a cylinder cap ring flange 7, under manifoldThe opposite side of sheet 2 is provided with the escape pipe 8 that has arc and go out flow channel with manifold body 3 intracavity inter-connections, goes outThe outer end of tracheae 8 is one-body molded throttle flange dish 9, and under manifold, the outer surface of sheet 2 is provided with vacuum tube and connects10, under manifold upper slice 1 and manifold, on the outer surface of sheet 2, be provided with grid ribs 11.
Above-mentioned nozzle opening 6 is inclined to set.
Above-mentioned throttle flange dish 9 is to lopsidedness setting.
The interior lining 13 that is all set with of each installing hole 12 on above-mentioned cylinder cap ring flange 7.
The interior nut 15 that is all set with of each installing hole 14 on above-mentioned throttle flange dish 9.
The end face of the cylinder cap ring flange 7 outside the air inlet of above-mentioned each air intake branch 5 and throttle flange dish 9End face on be equipped with annular seal groove 16, in annular seal groove 16, be provided with sealing ring 17, sealing ring 17The degree of depth of height > annular seal groove 16.
The end face of the cylinder cap ring flange 7 outside the air inlet of above-mentioned each air intake branch 5 and throttle flange dish 9End face on be equipped with the draw-in groove 18 being connected with annular seal groove 16, the madial wall of described sealing ring 17 withOn lateral wall, be all circumferentially arranged at intervals with several projections 19, the lateral wall of described sealing ring 17 is provided with and can blocksBe connected on the raised line 20 in draw-in groove 18.
Annular seal groove 16 on above-mentioned cylinder cap ring flange 7 and the part of sealing ring 17 are pyramidal structure.
Under above-mentioned manifold upper slice 1 or manifold, the outer edge of sheet 2 is provided with annular groove 21 or annular protrusion, instituteStating sheet under manifold 2 and the outer edge of manifold upper slice 1, to be provided with the annular protrusion 22 or the annular that are interlocked with it recessedGroove.
On the end face of above-mentioned cylinder cap ring flange 7, be interval with positioning convex 23, cylinder cap ring flange 7 and air throttleOn the end face of ring flange 9, be equipped with reinforcement 24.
Above-described embodiment is only preferred embodiment of the present utility model, not limits according to this this practicality newThe protection domain of type, therefore: all equivalences of doing according to structure of the present utility model, shape, principle becomeChange, within all should being covered by protection domain of the present utility model.
Claims (10)
1. direct spray petrol engine in cylinder composite injection inlet manifold, is characterized in that: comprise by manifold upper slice withUnder manifold, sheet is tightly connected and forms the manifold body with inner chamber, and a side of manifold body is formed with and manifold basisThree air intake branches with linear pattern runner that intracoelomic cavity is communicated with, near the air intake branch of air intake branch outer endMadial wall is provided with nozzle opening, and the outer end of three air intake branches is one-body molded cylinder cap ring flange, sheet under manifoldOpposite side be provided with and the escape pipe that there is arc and go out flow channel of manifold body intracavity inter-connection, escape pipeOuter end is one-body molded throttle flange dish, and under manifold, the outer surface of sheet is provided with vacuum tube joint, on manifoldUnder sheet and manifold, on the outer surface of sheet, be provided with grid ribs.
2. direct spray petrol engine in cylinder composite injection inlet manifold according to claim 1, its feature existsIn: described nozzle opening is inclined to set.
3. direct spray petrol engine in cylinder composite injection inlet manifold according to claim 1, its feature existsIn: described throttle flange dish is to lopsidedness setting.
4. direct spray petrol engine in cylinder composite injection inlet manifold according to claim 1, its feature existsIn: in the each installing hole on described cylinder cap ring flange, be all set with lining.
5. direct spray petrol engine in cylinder composite injection inlet manifold according to claim 1, its feature existsIn: in the each installing hole on described throttle flange dish, be all set with nut.
6. direct spray petrol engine in cylinder composite injection inlet manifold according to claim 1, its feature existsIn: the end face of the cylinder cap ring flange outside the air inlet of described each air intake branch and the end face of throttle flange dishOn be equipped with annular seal groove, in annular seal groove, be provided with sealing ring, the height > annular seal groove of sealing ringThe degree of depth.
7. direct spray petrol engine in cylinder composite injection inlet manifold according to claim 5, its feature existsIn: the end face of the cylinder cap ring flange outside the air inlet of described each air intake branch and the end face of throttle flange dishOn be equipped with the draw-in groove being connected with annular seal groove, all circumferential on the madial wall of described sealing ring and lateral wallBe arranged at intervals with several projections, the lateral wall of described sealing ring is provided with the raised line that can be connected in draw-in groove.
8. direct spray petrol engine in cylinder composite injection inlet manifold according to claim 6, its feature existsIn: the annular seal groove on described cylinder cap ring flange and the part of sealing ring are pyramidal structure.
9. direct spray petrol engine in cylinder composite injection inlet manifold according to claim 1, its feature existsIn: under described manifold upper slice or manifold, the outer edge of sheet is provided with annular groove or annular protrusion, described manifoldLower is provided with the outer edge of manifold upper slice the annular protrusion or the annular groove that are interlocked with it.
10. direct spray petrol engine in cylinder composite injection inlet manifold according to claim 1, its feature existsIn: on the end face of described cylinder cap ring flange, be interval with positioning convex, cylinder cap ring flange and throttle flange dishEnd face on be equipped with reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521131344.2U CN205260175U (en) | 2015-12-30 | 2015-12-30 | Compound air intake manifold that sprays of direct injection gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521131344.2U CN205260175U (en) | 2015-12-30 | 2015-12-30 | Compound air intake manifold that sprays of direct injection gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205260175U true CN205260175U (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521131344.2U Active CN205260175U (en) | 2015-12-30 | 2015-12-30 | Compound air intake manifold that sprays of direct injection gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205260175U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441676A (en) * | 2018-11-28 | 2019-03-08 | 天津惠德汽车进气系统股份有限公司 | A kind of new engine inlet manifold |
-
2015
- 2015-12-30 CN CN201521131344.2U patent/CN205260175U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441676A (en) * | 2018-11-28 | 2019-03-08 | 天津惠德汽车进气系统股份有限公司 | A kind of new engine inlet manifold |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |