CN206845353U - EFI air inlet pipe - Google Patents
EFI air inlet pipe Download PDFInfo
- Publication number
- CN206845353U CN206845353U CN201720776037.2U CN201720776037U CN206845353U CN 206845353 U CN206845353 U CN 206845353U CN 201720776037 U CN201720776037 U CN 201720776037U CN 206845353 U CN206845353 U CN 206845353U
- Authority
- CN
- China
- Prior art keywords
- inlet
- valve body
- oil gas
- mounting seat
- efi
- 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.)
- Active
Links
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
A kind of EFI air inlet pipe, inlet body including arc, inlet body one end sets the connection flange of connection cylinder head, the other end sets the inlet suction port of connection inlet manifold, mounting seat is convexly equipped with the outer arcuate face of inlet body, fuel injector is fixed with mounting seat, is reverse frustoconic at the top of mounting seat, the nozzle opening of inlet body inner chamber is communicated with inside mounting seat, taper surface is provided with the top of nozzle opening；The fuel injector includes top cover and valve body, valve body is plugged on cap base, top cover is provided with oil gas interface, valve body is provided with electrical outlet obliquely, and body base is provided with oil gas shower nozzle, and oil gas shower nozzle is stretched into nozzle opening, chamfered transition between oil gas shower nozzle and valve body, chamfering coordinates on taper surface, the fin of two axial directions on the body wall, and fin bottom is on same inclined-plane with the chamfering；The fin is located at the opposite side of electrical outlet.The utility model provides a kind of EFI air inlet pipe, and assembling is more preferable, reduce gas leakage the problem of.
Description
Technical field
The utility model belongs to Motorcycle Engine Technology field, refers in particular to a kind of EFI air inlet pipe.
Background technology
With the increasingly enhancing of the environmental protection meaning, the pertinent regulations of vehicle discharge are also more and more stricter.Electronic fuel injection
Purpose is by accurately controlling air-fuel ratio and electronic spark advance to improve dynamic property, the economy of engine, its master of BBG
The structural member wanted is air inlet pipe, and the fuel oil of BBG injects directly on the back side of intake valve, rather than with fuel-air mixture
Form flow through inlet manifold, only air flows through in air inlet pipe, so when air feeder structure design, coordinates moving for air inlet pipe
Power air inlet effect and resonance effect, to increase charging efficiency；But existing EFI air inlet pipe is easily to leak air in use
The problem of.
The content of the invention
The purpose of this utility model is to provide a kind of EFI air inlet pipe, and assembling is more preferable, reduce gas leakage the problem of.
What the purpose of this utility model was realized in：A kind of EFI air inlet pipe, include the inlet body of arc, air inlet pipe
Body one end sets the connection flange of connection cylinder head, and the other end sets the inlet suction port of connection inlet manifold, inlet body it is outer
Mounting seat is convexly equipped with the arcwall face of side, fuel injector is fixed with mounting seat, the side of inlet body is provided with negative pressure joint, the peace
It is reverse frustoconic to fill at the top of seat, and the nozzle opening of inlet body inner chamber is communicated with inside mounting seat, taper is provided with the top of nozzle opening
Face；The fuel injector includes top cover and valve body, and valve body is plugged on cap base, and top cover is provided with oil gas interface, and valve body is provided with
Electrical outlet obliquely, body base are provided with oil gas shower nozzle, and oil gas shower nozzle is stretched into nozzle opening, between oil gas shower nozzle and valve body
Chamfered transition, chamfering coordinate on taper surface, the fin of two axial directions on the body wall, at fin bottom and the chamfering
In on same inclined-plane；The fin is located at the opposite side of electrical outlet.
By using above-mentioned technical proposal, oil gas shower nozzle is quantitative to nozzle opening oil spout under valve body control, and nozzle opening is by oil
Pneumatic transmission enters inlet body and is mixed into air to combustion chamber, oil gas interface connection oil pump loser's fuel feeding on top cover, valve body
On electrical outlet connection processor control valve aperture；Fin on body wall is supported on taper surface, and it is with electrically inserting
Mouth is oppositely arranged, and when electric connector inserts electrical outlet, valve body single load bearing easily causes deflection, passes through the support energy of fin
Enough reduce inclined situation to occur, ensure that effective sealing of oil gas shower nozzle and nozzle opening.
Preferably, the outer arcuate face of the inlet body is provided with section as circular fixed column, is provided with the top of fixed column
Screw thread mouth, the top cover sidewall are convexly equipped with lug, and lug is by screw fit at the top of fixed column；The fixed column and mounting seat
Between be provided with the first reinforcement, the second reinforcement, the first reinforcement and the second reinforcement are provided between fixed column and inlet body
In same plane.
By using above-mentioned technical proposal, the circular configuration intensity of fixed column is more preferable, and casting flaw is few；Top cover passes through convex
Ear is spacing；Two reinforcements of fixed column both sides cause its bonding strength between mounting seat, inlet body to uprise, and globality is more
It is good.
Preferably, the inlet suction port oral area is provided with annular flanging, the inner side arcwall face and flanging of inlet body
Between be provided with support protrusion.
By using above-mentioned technical proposal, the shorter caused casting flaw of arcwall face arc length on the inside of inlet body is reduced,
It ensure that the intensity of flanging here.
Preferably, the oil gas interface and the direction of electrical outlet are intersected.
By using above-mentioned technical proposal, assembling is facilitated.
Preferably, the connection flange bottom surface is provided with seal groove, and seal groove side wall is provided with arc convex.
By using above-mentioned technical proposal so that sealing ring more firm can be fixed in seal groove.
Brief description of the drawings
Fig. 1 is overall structure figure of the present utility model；
Fig. 2 is structure decomposition figure of the present utility model；
Fig. 3 is front view of the present utility model；
Fig. 4 is the sectional view in A-A directions in Fig. 3；
Fig. 5 is the structure chart of the utility model seal groove.
Reference：1st, inlet body；2nd, mounting seat；3rd, connection flange；4th, inlet suction port；4a, flanging；5th, it is fixed
Post；5a, screw thread mouth；6th, the second reinforcement；7th, the first reinforcement；8th, valve body；9th, fin；10th, electrical outlet；11st, top cover；
11a, lug；12nd, oil gas interface；13rd, screw；14th, chamfering；15th, oil gas shower nozzle；16th, negative pressure joint；17th, seal groove；
17a, arc convex；18th, support protrusion；19th, nozzle opening；20th, adapter sleeve.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, referring to Fig. 1-5：
A kind of EFI air inlet pipe, includes the inlet body 1 of arc, and the one end of inlet body 1 sets the connection of connection cylinder head
Flange 3, the other end set the inlet suction port 4 of connection inlet manifold, mounting seat 2 are convexly equipped with the outer arcuate face of inlet body 1,
Fuel injector is fixed with mounting seat 2, the side of inlet body 1 is provided with negative pressure joint 16, and the top of mounting seat 2 is inverted round stage
Shape, the nozzle opening 19 of the inner chamber of inlet body 1 is communicated with inside mounting seat 2, and the top of nozzle opening 19 is provided with taper surface；The oil spout
Device includes top cover 11 and valve body 8, and valve body 8 is plugged on the bottom of top cover 11, and top cover 11 is provided with oil gas interface 12, and valve body 8 is provided with
Electrical outlet 10 obliquely, the bottom of valve body 8 are provided with oil gas shower nozzle 15, and oil gas shower nozzle 15 is stretched into nozzle opening 19, oil gas shower nozzle
The transition of chamfering 14 between 15 and valve body 8, chamfering 14 coordinate on taper surface, the fin 9 of two axial directions in the side wall of valve body 8,
The bottom of fin 9 is on same inclined-plane with the chamfering 14；The fin 9 is located at the opposite side of electrical outlet 10.
It is arranged such, oil gas shower nozzle 15 is quantitative under the control of valve body 8 to send oil gas to the oil spout of nozzle opening 19, nozzle opening 19
Enter inlet body 1 and be mixed into air to combustion chamber, the oil gas interface 12 on top cover 11 connects oil pump loser's fuel feeding, valve
Electrical outlet 10 on body 8 connects processor control valve aperture；Fin 9 in the side wall of valve body 8 is supported on taper surface, its
It is oppositely arranged with electrical outlet 10, when electric connector inserts electrical outlet 10, the single load bearing of valve body 8 easily causes deflection, leads to
Inclined situation appearance can be reduced by crossing the support of fin 9, ensure that effective sealing of oil gas shower nozzle 15 and nozzle opening 19.
With reference to Fig. 1 and Fig. 2, the outer arcuate face of the inlet body 1 is provided with section as circular fixed column 5, fixed column 5
Top is provided with screw thread mouth 5a, and the side wall of top cover 11 is convexly equipped with lug 11a, and lug 11a is coordinated by screw 13 to be pushed up in fixed column 5
Portion；The first reinforcement 7 is provided between the fixed column 5 and mounting seat 2, second is provided between fixed column 5 and inlet body 1 and is strengthened
Muscle 6, the first reinforcement 7 and the second reinforcement 6 are in same plane.It is arranged such, the circular configuration intensity of fixed column 5 is more preferable,
And casting flaw is few；Top cover 11 is spacing by lug 11a；Two reinforcements of the both sides of fixed column 5 cause it with mounting seat 2, entered
Bonding strength uprises between tracheae body 1, and globality is more preferable.
With reference to Fig. 4 and Fig. 5, the oral area of inlet suction port 4 is provided with annular flanging 4a, the inner side arc of inlet body 1
Support protrusion 18 is provided between face and flanging 4a.It is arranged such, reduces that the inner side arcwall face arc length of inlet body 1 is shorter to draw
The casting flaw risen, ensure that the intensity of flanging 4a here；With reference to Fig. 1, Fig. 2 and Fig. 5, support protrusion 18 can also be made
For inlet suction port 4 and the locating part of the inlay card of adapter sleeve 20, limitation adapter sleeve 20 rotates.
Fig. 1 and Fig. 3 specifically are seen, the oil gas interface 12 and the direction of electrical outlet 10 are intersected.It is arranged such, facilitates dress
Match somebody with somebody.
Fig. 5 specifically is seen, the bottom surface of connection flange 3 is provided with seal groove 17, and the side wall of seal groove 17 is provided with arc convex
17a.It is arranged such so that what sealing ring can be more firm is fixed in seal groove 17.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection model of the present utility model according to this
Enclose, therefore：All equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by protection of the present utility model
Within the scope of.
Claims (5)
1. a kind of EFI air inlet pipe, includes the inlet body (1) of arc, inlet body (1) one end sets the connection of connection cylinder head
Acting flange (3), the other end set the inlet suction port (4) of connection inlet manifold, are convexly equipped with the outer arcuate face of inlet body (1)
Mounting seat (2), fuel injector is fixed with mounting seat (2), the side of inlet body (1) is provided with negative pressure joint (16), and its feature exists
In：It is reverse frustoconic at the top of the mounting seat (2), the nozzle opening of inlet body (1) inner chamber is communicated with inside mounting seat (2)
(19), it is provided with taper surface at the top of nozzle opening (19)；The fuel injector includes top cover (11) and valve body (8), and valve body (8) is plugged on top
(11) bottom is covered, top cover (11) is provided with oil gas interface (12), and valve body (8) is provided with electrical outlet (10) obliquely, valve body
(8) bottom is provided with oil gas shower nozzle (15), and oil gas shower nozzle (15) is stretched into nozzle opening (19), oil gas shower nozzle (15) and valve body (8) it
Between chamfering (14) transition, chamfering (14) coordinate on taper surface, the fin (9) of two axial directions, fin in valve body (8) side wall
(9) bottom is on same inclined-plane with the chamfering (14)；The fin (9) is located at the opposite side of electrical outlet (10).
2. EFI air inlet pipe according to claim 1, it is characterised in that：Set on the outer arcuate face of the inlet body (1)
There is section for circular fixed column (5), be provided with screw thread mouth (5a) at the top of fixed column (5), top cover (11) side wall is convexly equipped with convex
Ear (11a), lug (11a) are coordinated at the top of fixed column (5) by screw (13)；Between the fixed column (5) and mounting seat (2)
Provided with the first reinforcement (7), be provided with the second reinforcement (6) between fixed column (5) and inlet body (1), the first reinforcement (7) and
Second reinforcement (6) is in same plane.
3. EFI air inlet pipe according to claim 1, it is characterised in that：Inlet suction port (4) oral area is provided with annular
Flanging (4a), support protrusion (18) is provided between the inner side arcwall face and flanging (4a) of inlet body (1).
4. EFI air inlet pipe according to claim 1, it is characterised in that：The oil gas interface (12) and electrical outlet (10)
Direction intersect.
5. EFI air inlet pipe according to claim 1, it is characterised in that：Connection flange (3) bottom surface is provided with sealing ring
Groove (17), seal groove (17) side wall are provided with arc convex (17a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720776037.2U CN206845353U (en) | 2017-06-29 | 2017-06-29 | EFI air inlet pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720776037.2U CN206845353U (en) | 2017-06-29 | 2017-06-29 | EFI air inlet pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206845353U true CN206845353U (en) | 2018-01-05 |
Family
ID=60803218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720776037.2U Active CN206845353U (en) | 2017-06-29 | 2017-06-29 | EFI air inlet pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206845353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365150A (en) * | 2020-05-21 | 2020-07-03 | 湛江德利车辆部件有限公司 | Motorcycle electronic injection air intake manifold |
-
2017
- 2017-06-29 CN CN201720776037.2U patent/CN206845353U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365150A (en) * | 2020-05-21 | 2020-07-03 | 湛江德利车辆部件有限公司 | Motorcycle electronic injection air intake manifold |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103696847A (en) | In-cylinder direct injection engine combustion chamber | |
| CN206845353U (en) | EFI air inlet pipe | |
| CN201916044U (en) | Structure for improving air-inflowing rolling effect of petrol engine | |
| CN202645779U (en) | Diesel engine exhaust gas recirculation mixer | |
| CN215566155U (en) | Internal mixing structure valve device | |
| US20140137959A1 (en) | Fuel supply device and fuel-returning three-way pipe thereof | |
| CN205064158U (en) | Diesel engine is with horizontal cavate oil spout structure | |
| CN201461162U (en) | Gas inlet manifold of natural gas automobile engine | |
| CN203081564U (en) | Pressurized diesel engine piston combustion chamber | |
| CN217270549U (en) | Pre-combustion chamber air inlet pipe and engine | |
| CN202707309U (en) | Plastic air-inlet manifold pipe | |
| CN207245905U (en) | A kind of new oil return bolt | |
| CN216642307U (en) | Hydrogen injector and mounting structure | |
| CN214533327U (en) | Electric injection air inlet pipe | |
| CN205977499U (en) | Electricity spouts motorcycle single channel oil rail | |
| CN206234016U (en) | A kind of electronic fuel injection gas handling system | |
| CN207454129U (en) | A kind of fuel gas injection valve mounting structure of engine | |
| CN205025662U (en) | A intake pipe that is used for V type bi -block engine of motorcycle | |
| CN201818386U (en) | Composite cylinder gasket in dual-ring structure | |
| CN215371534U (en) | Silencer component with high sealing performance | |
| CN220248238U (en) | Spliced air inlet manifold | |
| CN218177317U (en) | Connecting structure for oil return rubber pipe of supercharger | |
| CN205876532U (en) | Natural gas engine cylinder head assembly suitable for multiple spot injection system | |
| CN209510491U (en) | Turbocharger tube | |
| CN203146145U (en) | Integrated double-cavity electrically-controlled mixer for gas engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |