CN107366577A - Automobile double spray-hole multiple-way valve - Google Patents
Automobile double spray-hole multiple-way valve Download PDFInfo
- Publication number
- CN107366577A CN107366577A CN201710535041.4A CN201710535041A CN107366577A CN 107366577 A CN107366577 A CN 107366577A CN 201710535041 A CN201710535041 A CN 201710535041A CN 107366577 A CN107366577 A CN 107366577A
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- CN
- China
- Prior art keywords
- hole
- valve
- annular seal
- plug
- fuel
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02D19/0673—Valves; Pressure or flow regulators; Mixers
- F02D19/0676—Multi-way valves; Switch-over valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02D19/0686—Injectors
- F02D19/0694—Injectors operating with a plurality of fuels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The present invention discloses a kind of automobile double spray-hole multiple-way valve, belong to Double-fuel guide rail switching device field, including housing, injector mounting hole, housing is provided with two valve pocket set up separately holes, the one end in each valve pocket hole is equipped with sealing end plug, its other end is communicated by spray-hole with injector mounting hole, dividing in two valve pocket holes respectively has a moveable valve core piston, two valve pocket holes are connected with the oil inlet passage on both sides respectively, sealing end plug stage casing concave circularizes oil-feed tank, annular oil-feed rooved face is provided with multiple radial direction fuel feed holes, the annular seal space connected with radial direction fuel feed hole is provided with sealing end plug.The present invention reliably switches between realizing two kinds of motor vehicle fuels, is remained in two spray-holes and injector mounting hole without crude fuel, and two valve core piston shift motions are short, and it switches fast, automotive ignition non-jitter, working stability.
Description
Technical field
The present invention relates to a kind of Double-fuel guide rail fuel changing-over device, more particularly to a kind of automobile double spray-hole is more logical
Valve.
Background technology
Turn with to vehicle economy and alternative fuel economy, the concern of the feature of environmental protection, automaker and Market for refitting
To more economical, Cleaning Equipment, to improve efficiency and energy-conserving and environment-protective, so alternative fuel or dual-purpose fuel or pluralities of fuel
Effectively use, it is necessary to the distinct configuration of traditional fuel engine associated components, wherein during for changing two kinds of fuel charges, it is necessary to
A kind of good switching device.General single track single spraying system of the prior art, led to before the spray rail and injector of former automobile
A set of methanol pipeline in parallel such as magnetic valve is crossed, in terms of simple in construction, repacking, but can not realize between gasoline-methanol and turn completely
Change, cause methanol cold start-up difficult." automobile double spray-hole multiple-way valve 201510088541.9 " can be real for Chinese invention patent application
Reliably switching, pipeline good airproof performance, valve core piston not drift, working stability between existing two kinds of motor vehicle fuels so that two kinds of fuel
Such as methanol, gasoline, it is fed for engine while an injector and dependable performance can be shared.But there is following defect：
First, because only that a valve pocket hole, ball valve core switching fuel luck every trade journey length, shake when causing igniting.Cut in two kinds of fuel
Ball valve core can effectively reduce the heterodromous resistance of valve core piston when changing, and this kind of fuel for promoting to be stopped feed passes through injection
Device mounting hole fast evacuation, still, because ball valve core is curved surface, it is necessary to logical between two end face cylinder plugs when switching fuel
Distant movement is done in hole section, such as, when shifting to gasoline from methanol, ball valve core moves to the right from the left side, blocks the right end
The open trough of face cylinder plug, cuts off the supply of methanol, the gasoline in the built-in channel of the left side is pacified through flowing into the injector among through hole
Fill hole；When shifting to methanol from gasoline, ball valve core moves to the left side from the right, blocks the open trough of left side end face cylinder plug, cuts off vapour
The supply of oil, the injector mounting hole for making the methanol in the built-in channel of the right flow among through hole.Because ball valve core not only but also plays
Plugging action ensures the through-flow of injector mounting hole again, so it moves left and right stroke farther out, it is special so when switching starting
It is not compared with cold season section, with methanol ignition start difficulty in weather, it is necessary to first with gasoline ignition start, after engine warms,
It can switch to using methanol fuel, because ball spool stroke is grown, cause the duration of ignition long and cause engine shake (because the point
The fiery time for gasoline injection pulse width spray be residual methanol fuel) two be the through hole section because between two end face cylinder plugs
Long, the original of the through hole section space is more using fuel quantity (methanol fuel is more), so during switching, (methanol fuel)
Crude fuel amount residual quantity is more, and methanol fuel (crude fuel) force feed of residual is entered injector mounting hole, injector by the movement of ball valve core
There is more methanol fuel in mounting hole, influence igniting and start and (extend the duration of ignition and number).Third, the movement of ball valve core is only
Valve pocket hole, the Fuel switching in fuel rail can be made, a large amount of crude fuels in spray-hole but left behind, and remain excessive flash-point
Low fuel such as methanol fuel can cause difficulty in starting, influence injector-ignition, it is necessary to which being repeated several times igniting can just light.
The content of the invention
Reliably switch between realizing two kinds of motor vehicle fuels it is an object of the invention to provide one kind, two spray-holes and injector
Automobile double spray-hole multiple-way valve without crude fuel residual in mounting hole, two valve core piston shift motions are short, and it switches fast, automobile point
Fiery non-jitter, working stability so that two kinds of fuel such as methanol, gasoline, be an injector and dependable performance can be shared hair
Motivation is fed.
The present invention proposes that one kind includes housing, injector mounting hole, and housing is provided with two valve pocket set up separately holes, each valve pocket
The one end in hole is communicated equipped with sealing end plug, its other end by spray-hole with injector mounting hole, and dividing in two valve pocket holes respectively has one
Moveable valve core piston, two valve pocket holes are connected with the oil inlet passage on both sides respectively, and sealing end plug stage casing concave circularizes
Oil-feed tank, annular oil-feed rooved face are provided with multiple radial direction fuel feed holes, the sealing connected with radial direction fuel feed hole are provided with sealing end plug
Chamber.
Preferably, the two valve pockets hole is lateral aperture, and two sealing end plugs are separately mounted to housing left and right side.
The two valve pockets hole is upright opening, and two sealing end plugs are installed in housing top surface.
One of them is lateral aperture in the two valve pockets hole, and another is upright opening, and the sealing end plug of lateral aperture is arranged on shell
One side of body, the sealing end plug of upright opening are arranged on housing top surface.
The annular seal space is located at the inner of sealing end plug, and annular seal space directly penetrates or passed through axially extending bore with radial direction fuel feed hole
Connection insertion, forms valve opening at insertion, and valve core piston moves in annular seal space, and when valve opening, to have pressure fuel to enter fashionable, and valve element is lived
Plug pushed away from valve opening, and when valve opening no pressure fuel enters fashionable, valve core piston is in the case where pressure fuel that opposite side valve opening enters acts on
It is pushed to and blocks valve opening.
The annular seal space back segment is conical cavity, and the valve core piston is ball valve plug.
The annular seal space back segment is conical cavity, is provided with a guide plate in annular seal space, has stroke pilot hole and mistake on guide plate
Oilhole, the valve core piston are column valve plug, and the column valve plug includes valve plug post, plug, baffle plate, ring is formed between plug, baffle plate
Shape seal groove, annular seal groove is interior to be provided with sealing ring.
The annular seal space back segment is conical cavity, and the valve core piston is conical plug, and conical plug is provided with annular seal groove, ring
Sealing ring is provided with shape seal groove.
Seal end plug includes end casing, thread segment, annular oil-feed tank, annular seal space section successively, and end is provided with the top of thread segment
Sealing ring, intracavitary sealing ring is provided with the afterbody of annular seal space section；The oil inlet passage has 4, respectively connected 4 fuel and leads
Pipe.
The beneficial effects of the invention are as follows:Housing is provided with two valve pocket set up separately holes, and each valve pocket hole is provided with individually injection
Hole communicates with injector mounting hole, can so prevent two kinds of fuel batch mixings in the prior art in same valve pocket completely and cause a little
Fiery jitter phenomenon；Traditional double fuel guide rail multiple-way valve Fuel switching is mainly by complete in the valve plug that moves left and right in valve pocket hole
Into, simply to valve pocket hole, the Fuel switching namely in fuel rail, there is no active force to the fuel in spray-hole, and this hair
Bright is to enter the pressure fuel newly switched positioned at the valve pocket hole of the side, enters back into the side ejection holes, injector mounting hole,
The valve pocket hole of another side ejection holes, opposite side is entered back under pressure effect, and promotes the valve core piston of opposite side to block its valve
Hole, the switching of two kinds of different fuels had so both been realized, and the crude fuel in the spray-hole for original being used in handoff procedure is sent
Former valve pocket hole is gone back to, prevents batch mixing, the fuel such as low methanol of the flash-point that will not be remained, even if also disposably lighting a fire at low temperature
Work(is rapid to start；Two sealing end plugs are arranged on housing top surface or housing left and right side, or one is arranged on one side of housing
Face, one is arranged on housing top surface or the top surface increased, and can flexibly set, to adapt to different installing space needs；Sealed end
Plug end part seal circle makes end casing effectively be sealed with housing, and its intracavitary sealing ring makes its annular seal space section effectively be sealed with valve pocket hole,
This double 0 type circle sealings, play a part of dual-seal.
In a word, the present invention reliably switches between realizing two kinds of motor vehicle fuels so that two kinds of fuel such as methanol, gasoline, energy
It is fed for engine with enough sharing an injector and dependable performance.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention one；
Fig. 2 is the outside drawing of the embodiment of the present invention one；
Fig. 3 is the structural representation of the embodiment of the present invention two；
Fig. 4 is the outside drawing of the embodiment of the present invention two；
Fig. 5 is the structural representation of the embodiment of the present invention three；
Fig. 6 is the outside drawing of the embodiment of the present invention three；
Fig. 7 is the structural representation of the embodiment of the present invention four；
Fig. 8 is the structural representation of the embodiment of the present invention five；
Fig. 9 is the guide plate modular construction schematic diagram of the embodiment of the present invention five；
Figure 10 is the structural representation of the embodiment of the present invention six；
Reference：Housing 1, injector mounting hole 2, valve pocket hole 3, sealing end plug 4, spray-hole 5, valve core piston 6, oil-feed
Passage 7, annular oil-feed tank 8, radial direction fuel feed hole 9, annular seal space 10, axially extending bore 11, valve opening 12, cover plate 13, thread segment 14, fuel
Conduit 15, annular seal space section 16, end part seal circle 17, intracavitary sealing ring 18, guide plate 19, pilot hole 20, oil-through hole 21, valve plug post
22nd, plug 23, baffle plate 24, sealing ring 25.
Embodiment
Embodiment one
Reference picture 1,2, the present embodiment include housing 1, injector mounting hole 2, and housing is provided with two valve pocket set up separately holes 3,
The one end in each valve pocket hole is communicated equipped with sealing end plug 4, its other end by spray-hole 5 with injector mounting hole 2, two valve pocket holes
Dividing in 3 respectively has a moveable valve core piston 6, and two valve pocket holes are connected with the oil inlet passage 7 on both sides respectively, seals in end plug 4
Section concave circularizes oil-feed tank 8, and the annular surface of oil-feed tank 8 is provided with multiple radial direction fuel feed holes 9, seals and is provided with end plug 4 and footpath
The annular seal space 10 connected to fuel feed hole 9.The two valve pockets hole 3 is lateral aperture, and two sealing end plugs are separately mounted to housing or so
Side.The annular seal space 10 is located at the inner of sealing end plug, and annular seal space is connected by axially extending bore 11 with radial direction fuel feed hole 9 and passed through
It is logical, valve opening 12 is formed at insertion, valve core piston 6 moves in annular seal space 10, when valve opening fashionable, the valve core piston that has pressure fuel to enter
6 pushed away from valve opening 10, when the no pressure fuel of valve opening 10 enters the pressure fuel work fashionable, valve core piston 6 enters in opposite side valve opening
It is pushed under and blocks valve opening.The back segment of annular seal space 10 is conical cavity, and the valve core piston 6 is ball valve plug.Seal end plug 4
Include end casing 13, thread segment 14, annular oil-feed tank 8, annular seal space section 16 successively, end part seal circle 17 be provided with the top of thread segment,
Intracavitary sealing ring 18 is provided with the afterbody of annular seal space section；The oil inlet passage 7 has 4, respectively connected 4 fuel conductors 15.
Embodiment two
Reference picture 3,4, the present embodiment and embodiment one are essentially identical, and difference is, the two valve pockets hole is vertical
Hole, two sealing end plug 4a are installed in housing top surface.
Embodiment three
Reference picture 5,6, the present embodiment and embodiment one are essentially identical, and difference is, the two valve pockets hole wherein one
Individual is lateral aperture, and another is upright opening, and the sealing end plug 4b ＇ of lateral aperture are arranged on one side of housing, the sealing of upright opening
End plug 4b is arranged on housing top surface.
Example IV
Reference picture 7, the present embodiment and embodiment one are essentially identical, and difference is, annular seal space 10 and radial direction fuel feed hole 9
Directly penetrate.
Embodiment five
Reference picture 8,9, the present embodiment and embodiment one are essentially identical, and difference is, annular seal space 10 and radial direction oil-feed
Hole 9 directly penetrates, and is provided with a guide plate 19 in annular seal space 10, has stroke pilot hole 20 and oil-through hole 21 on guide plate 19, described
Valve core piston 6 is column valve plug, and the column valve plug includes valve plug post 22, plug 23, baffle plate 24, formed between plug 23, baffle plate 24
Annular seal groove, annular seal groove is interior to be provided with sealing ring 25.
Embodiment six
Reference picture 10, the present embodiment and embodiment one are essentially identical, and difference is, the annular seal space back segment is taper
Chamber, the valve core piston are conical plug 26, and conical plug is provided with annular seal groove, sealing ring is provided with annular seal groove.
Claims (9)
1. a kind of automobile double spray-hole multiple-way valve, it is characterised in that including housing, injector mounting hole, housing is provided with two points
If valve pocket hole, the one end in each valve pocket hole communicated equipped with sealing end plug, its other end by spray-hole with injector mounting hole,
Dividing in two valve pocket holes respectively has a moveable valve core piston, and two valve pocket holes are connected with the oil inlet passage on both sides respectively, sealed end
Plug stage casing concave circularizes oil-feed tank, and annular oil-feed rooved face is provided with multiple radial direction fuel feed holes, seals and is provided with end plug and footpath
The annular seal space connected to fuel feed hole.
2. automobile double spray-hole multiple-way valve according to claim 1, it is characterised in that the two valve pockets hole is lateral aperture,
Two sealing end plugs are separately mounted to housing left and right side.
3. automobile double spray-hole multiple-way valve according to claim 1, it is characterised in that the two valve pockets hole is upright opening,
Two sealing end plugs are installed in housing top surface.
4. automobile double spray-hole multiple-way valve according to claim 1, it is characterised in that the two valve pockets hole one of them be
Lateral aperture, another is upright opening, and the sealing end plug of lateral aperture is arranged on one side of housing, the sealing end plug installation of upright opening
In housing top surface.
5. automobile double spray-hole multiple-way valve according to claim 1, it is characterised in that the annular seal space is located at sealing end plug
The inner, the directly insertion of annular seal space and radial direction fuel feed hole or insertion be connected by axially extending bore, valve opening, valve element work is formed at insertion
Plug moves in annular seal space, and when valve opening, to have pressure fuel to enter fashionable, and valve core piston pushed away from valve opening, when valve opening no pressure fuel enters
Fashionable, valve core piston is pushed under the pressure fuel effect that opposite side valve opening enters and blocks valve opening.
6. automobile double spray-hole multiple-way valve according to claim 5, it is characterised in that the annular seal space back segment is taper
Chamber, the valve core piston are ball valve plug.
7. automobile double spray-hole multiple-way valve according to claim 5, it is characterised in that the annular seal space back segment is taper
Chamber, a guide plate being provided with annular seal space, there is stroke pilot hole and oil-through hole on guide plate, the valve core piston is column valve plug, institute
Stating column valve plug includes valve plug post, plug, baffle plate, and annular seal groove is formed between plug, baffle plate, sealing is provided with annular seal groove
Circle.
8. automobile double spray-hole multiple-way valve according to claim 5, it is characterised in that the annular seal space back segment is taper
Chamber, the valve core piston are conical plug, and conical plug is provided with annular seal groove, sealing ring is provided with annular seal groove.
9. automobile double spray-hole multiple-way valve according to claim 1, it is characterised in that sealing end plug includes end cap successively
Plate, thread segment, annular oil-feed tank, annular seal space section, thread segment top are provided with end part seal circle, chamber are provided with the afterbody of annular seal space section
Inner seal ring；The oil inlet passage has 4, respectively connected 4 fuel conductors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710535041.4A CN107366577A (en) | 2017-07-03 | 2017-07-03 | Automobile double spray-hole multiple-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710535041.4A CN107366577A (en) | 2017-07-03 | 2017-07-03 | Automobile double spray-hole multiple-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107366577A true CN107366577A (en) | 2017-11-21 |
Family
ID=60306508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710535041.4A Pending CN107366577A (en) | 2017-07-03 | 2017-07-03 | Automobile double spray-hole multiple-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107366577A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4225991A1 (en) * | 1991-08-16 | 1993-02-18 | Hans Villinger | Air-injection diesel engine - has separate fuel pump and compressor with non-return valves in pipes to nozzle |
| US20020002967A1 (en) * | 2000-03-06 | 2002-01-10 | Paul Marius A. | Universal fuel injection system |
| CN103615342A (en) * | 2013-11-22 | 2014-03-05 | 赵启新 | Double-fuel jetting device |
| CN103814208A (en) * | 2011-06-14 | 2014-05-21 | 西港能源有限公司 | Dual fuel injection valve |
| CN204476570U (en) * | 2015-02-26 | 2015-07-15 | 胡松平 | Double-fuel guide rail multiple-way valve |
| CN105003370A (en) * | 2015-07-09 | 2015-10-28 | 胡松平 | Double-fuel integrated electronic control ejector |
| CN105041533A (en) * | 2015-07-09 | 2015-11-11 | 胡松平 | Integrated ejector |
| CN106762169A (en) * | 2016-12-23 | 2017-05-31 | 胡永军 | Double-fuel guide rail multiple-way valve |
| CN207004660U (en) * | 2017-07-03 | 2018-02-13 | 胡永军 | Automobile double spray-hole multiple-way valve |
-
2017
- 2017-07-03 CN CN201710535041.4A patent/CN107366577A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4225991A1 (en) * | 1991-08-16 | 1993-02-18 | Hans Villinger | Air-injection diesel engine - has separate fuel pump and compressor with non-return valves in pipes to nozzle |
| US20020002967A1 (en) * | 2000-03-06 | 2002-01-10 | Paul Marius A. | Universal fuel injection system |
| CN103814208A (en) * | 2011-06-14 | 2014-05-21 | 西港能源有限公司 | Dual fuel injection valve |
| CN103615342A (en) * | 2013-11-22 | 2014-03-05 | 赵启新 | Double-fuel jetting device |
| CN204476570U (en) * | 2015-02-26 | 2015-07-15 | 胡松平 | Double-fuel guide rail multiple-way valve |
| CN105003370A (en) * | 2015-07-09 | 2015-10-28 | 胡松平 | Double-fuel integrated electronic control ejector |
| CN105041533A (en) * | 2015-07-09 | 2015-11-11 | 胡松平 | Integrated ejector |
| CN106762169A (en) * | 2016-12-23 | 2017-05-31 | 胡永军 | Double-fuel guide rail multiple-way valve |
| CN207004660U (en) * | 2017-07-03 | 2018-02-13 | 胡永军 | Automobile double spray-hole multiple-way valve |
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