CN105545528A - Gas injection rail for automobile gas supply system - Google Patents
Gas injection rail for automobile gas supply system Download PDFInfo
- Publication number
- CN105545528A CN105545528A CN201610062414.6A CN201610062414A CN105545528A CN 105545528 A CN105545528 A CN 105545528A CN 201610062414 A CN201610062414 A CN 201610062414A CN 105545528 A CN105545528 A CN 105545528A
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- China
- Prior art keywords
- electric heating
- groove
- tube
- valve
- gas injection
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
- F02M21/0239—Pressure or flow regulators therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/12—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating electrically
- F02M31/125—Fuel
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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
Abstract
The invention discloses a gas injection rail for an automobile gas supply system. The gas injection rail comprises a gas inlet tube and a hollow tube, wherein a plurality of injection holes are formed in the upper end of the hollow tube; electromagnetic valves are mounted on the injection holes correspondingly; a groove is formed in the inner wall of the hollow tube; the injection holes are over against the groove; a plurality of electric heating tubes are arranged in the groove side by side; a guide block is arranged at the bottoms of the electric heating tubes; a guide groove fit with the guide block is formed in the bottom of the groove; the electric heating tubes comprise tube bodies, insulating materials and electric heating wires; the tube bodies are internally filled with the insulating materials; the electric heating wires are arranged in the tube bodies; the tail ends of the electric heating wires are connected with wiring terminals; small holes communicated with the outside are formed in one end, far from the gas inlet tube, of the groove; the wiring terminals penetrate through the small holes to be connected with a wiring plugboard; and the open end of the groove is covered with a heat conduction plate. The guide block is arranged at the lower parts of the tube bodies of the electric heating tubes and is fit with the guide groove, so that the placement of the tube bodies is more stable, that is the electric heating tubes can be fastened without additionally adopting a fixing structure, and the purpose of optimizing an inner structure of the gas injection rail is reached.
Description
Technical field
The present invention relates to gas injection rail, specifically refer to a kind of automobile air supply system gas injection rail.
Background technique
Gas injection rail is necessaries on CNG-gasoline double-fuel car, but when temperature is lower, low temperature makes the contraction of gas in low pressure line, between combustion gas common rail and filter, form negative pressure, makes gas injection rail open not easily, affects the normal use of gas burning system; Adopt the mode of hydro-thermal to heat gas injection rail by us, can normally work, but need water route is installed, increase pipeline and interfere, easily occur fluid leakage, increase maintenance difficulties.
Summary of the invention
The object of the present invention is to provide a kind of automobile air supply system gas injection rail, ensure combustion gas normal through, avoid occurring liquid in fuel gas pipeline simultaneously.
Object of the present invention is achieved through the following technical solutions:
A kind of automobile air supply system gas injection rail, the hollow tube comprising suction tude and be communicated with it, multiple spray-hole is had in hollow tube upper end, and correspondence is provided with solenoid valve on described spray-hole, groove is had at described hollow tube inwall, and described spray-hole is just to described groove, multiple electric heating tube has been arranged side by side in described groove, bottom electric heating tube, guide pad is installed, and the guiding groove matched with guide pad is had at bottom portion of groove, described electric heating tube comprises body, be filled in the insulating material of tubular body and be placed in the electric heating wire of tubular body, described electric heating wire end is connected with wiring terminal, groove has away from one end of suction tude the aperture be in communication with the outside, wiring terminal runs through aperture and is connected with wiring plate, and heat conduction board is coated with on the open end of groove, described inside grooves and hollow tube are separated by heat conduction board, described solenoid valve comprises solenoid valve seat inwall being provided with electromagnetic coil, moving valve is disposed with from inside to outside in described solenoid valve seat, housing, described housing upper end stretches out, and the link of inner hollow is provided with in described housing lower end, gap is left between link upper end and moving valve lower end, to be threaded valve nozzle at the extending end of housing, described moving valve inside has and the air flue be communicated with in the middle part of link, spring is arranged in air flue, and two through holes be communicated with air flue are had on described moving valve sidewall, moving valve upper end is communicated with valve nozzle inside, and circumferentially have multiple fumarole on valve nozzle top.
When the present invention works, combustion gas is injected directly in hollow tube by suction tude, and is flowed into after in solenoid valve by spray-hole, through solenoid valve fine adjustment so that guarantee that combustion gas remains on best flow and exports, and lower for the air pressure in prior art mesolow pipeline and occur the situation of negative pressure between the spray rail caused and filter, the present invention just has groove to the inwall place of spray-hole at hollow tube, heat temperature raising is carried out by the gas circulation region in hollow tube, utilize the heating value of electric heating tube and the heat trnasfer of heat conduction board, make the ambient temperature of combustion gas before entering hollow tube in hollow tube relative to the temperature drift in the external world, namely the pressure in hollow tube raises, combustion gas is entered after hollow tube to a certain extent by heat temperature raising until combustion gas, effectively prevent and produce negative pressure between spray rail and filter and affect the flow velocity of combustion gas, ensure the normal circulation of combustion gas.And, adopt Electric heating compared with hydro-thermal mode, while there is leak of liquid risk, the efficiency of heating improves greatly, and multiple electric heating tube is placed in groove, is sealed by the side of wiring plate to groove, heat loss can be reduced, simultaneously also convenient picking and placeing electric heating tube, namely user can determine the number of electric heating tube in real time according to the size of fuel gas supply amount, ensures to complete stable operation to combustion gas output flow with minimum heating cost; The body bottom of electric heating tube is provided with guide pad simultaneously, and guide pad coordinates with guiding groove, makes laying of body more stable, does not namely need to increase new fixed structure and just can realize the fastening of electric heating tube, reach the object optimizing spray rail internal structure.
Wherein, in prior art, the supply of combustion gas is directly transmitted often through fuel gas pipeline, does not reach the requirement of precise fine-adjustment in the adjustment of air demand, makes gas supply cannot practical requirement, when the present invention works, for supply normal flow rate, moving valve contacts with each other with the corresponding end face of link, and through hole completely block by inner walls, combustion gas enters in air flue by link inside, directly sprayed in valve nozzle by the open end at air flue top, the fumarole eventually passing valve nozzle top flows out, and when needs increase gas supply amount, by electromagnetic coil, the magnetic field around moving valve is changed in solenoid valve seat, make to depart between moving valve and link, namely moving valve moves up, now, the through hole be communicated with air flue is communicated with valve nozzle inside gradually, namely the combustion gas exported by link inside enters in valve nozzle by the open end at through hole and moving valve top, the combustion gas input quantity that only need increase link place then can increase the final combustion gas output quantity of valve nozzle, compared with prior art, under the prerequisite of same increase combustion gas input quantity, the output quantity of single gas distribution channel is well below the output quantity of two gas distribution channel, and then realize the rate of change of fuel gas supply amount in spray rail, reach the object of gas flow flexible modulation.And, the excircle at valve nozzle top arranges multiple fumarole, the stable output of combustion gas when gas quantity in air flue increases or reduces can be adapted to, wherein valve nozzle is threaded with the extending end of housing, quick-replaceable can be carried out to it when valve nozzle is impaired, and then the integral replacing avoiding the parts such as spool and solenoid valve seat, reduce user cost.
Parallel with one another between multiple described electric heating tube.In the lasting using process of electric heating tube, the loss of electric heating tube is relatively large, namely there will be the faults such as damage or short circuit in multiple electric heating tube, and multiple electric heating tube is arranged to parallel connection by the present invention, namely when single electric heating tube breaks down, the normal use of all the other electric heating tubes can not be affected, form negative pressure between rail and filter to prevent from spraying at low ambient temperatures and cause the output flow of combustion gas not enough.
Also be provided with aluminium bar at described tubular body, described heating wire winding is on described aluminium bar.When electric heating wire overload or overcurrent, power of heating wire is easily caused to decline or directly produce fusing, and body in install aluminium bar be wound around by electric heating wire, can ensure that within the regular hour electric heating wire works on, avoid spraying the output flow deficiency again forming negative pressure and combustion gas between rail and filter.
In described gap, cushion pad is installed.For reducing the impact between moving valve and link end, at gap location, cushion pad is installed, to-and-fro motion on the vertical direction that moving valve keeps stable can be ensured on the one hand, can also will reduce the wearing and tearing of moving valve end face on the other hand, extend the working life of moving valve.
In the joint of described valve nozzle outer wall and housing extending end inwall, O type circle is installed.Because valve nozzle and housing extending end are for being threaded, for strengthening the connection sealing between valve nozzle and housing further, the object that O type circle can not only realize strengthening sealability is set, combustion gas can also be cushioned when spraying to the impact dynamics between housing and valve nozzle joint, with the stability of assurance device entirety.
Also comprise straight tube, described straight tube lower end is connected with the open end at moving valve top, the dead in line of described straight tube and valve nozzle.The setting of straight tube shortens the operation distance of combustion gas in valve nozzle inside, avoid when increasing gas supply amount, flowing by being formed to wad a quilt with cotton between the combustion gas of flowing out in the combustion gas of ejecting in through hole and moving valve open-top end, causing combustion gas to reduce the combustion gas output quantity at fumarole place in the waiting time of valve nozzle inside simultaneously; And the dead in line of the axis of straight tube and valve nozzle, can distinguish the combustion gas that the combustion gas of flowing out in through hole and straight tube are flowed out, but finally converge in fumarole place, ensure the flow ejection efficiency at valve nozzle place.
The inwall on described valve nozzle top is given prominence to down along straight tube axial direction, and the cross section of this protuberance is semicircle.As preferably, if the combustion gas that straight tube end exports is applied directly on the inwall on valve nozzle top, launched by plane, combustion gas is likely launched to the sidewall of valve nozzle inside from the inwall on valve nozzle top, and then extend combustion gas persist the time in valve nozzle, and the inwall on valve nozzle top is given prominence to down along straight tube axial direction in the present invention, cross section is the leading role that semicircular protuberance can carry out to a certain extent to combustion gas, namely launching of combustion gas is reduced, guiding gas directly flow to fumarole place along its arc surface, the gas flow ejection efficiency at further raising valve nozzle place.
The present invention compared with prior art, has following advantage and beneficial effect:
1, the present invention adopts Electric heating compared with hydro-thermal mode, while there is leak of liquid risk, the efficiency of heating improves greatly, and multiple electric heating tube is placed in the groove of arc, sealed by the side of wiring plate to groove, heat loss can be reduced, also facilitate picking and placeing electric heating tube simultaneously, namely user can determine the number of electric heating tube in real time according to the size of fuel gas supply amount, ensures to complete stable operation to combustion gas output flow with minimum heating cost;
2, the present invention adopts Electric heating compared with hydro-thermal mode, while there is leak of liquid risk, the efficiency of heating improves greatly, and multiple electric heating tube is placed in the groove of arc, sealed by the side of wiring plate to groove, heat loss can be reduced, also facilitate picking and placeing electric heating tube simultaneously, namely user can determine the number of electric heating tube in real time according to the size of fuel gas supply amount, ensures to complete stable operation to combustion gas output flow with minimum heating cost;
3, the present invention is when when electric heating wire overload or overcurrent, power of heating wire is easily caused to decline or directly produce fusing, and body in install aluminium bar be wound around by electric heating wire, can ensure that within the regular hour electric heating wire works on, avoid spraying the output flow deficiency again forming negative pressure and combustion gas between rail and filter.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of electric heating tube;
Fig. 3 is the structural representation of solenoid valve;
Mark and corresponding component title in accompanying drawing:
1-suction tude, 2-hollow tube, 3-spray-hole, 4-groove, 5-heat conduction board, 6-solenoid valve, 7-electric heating tube, 8-wiring plate, 9-wiring terminal, 10-body, 11-insulating material, 12-electric heating wire, 13-guide pad, 14-aluminium bar, 15-through hole, 16-fumarole, 17-straight tube, 18-spring, 19-moving valve, 20-housing, 21-air flue, 22-link, 23-solenoid valve seat, 24-cushion pad, 25-O type circle, 26-valve nozzle.
Embodiment
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Fig. 1 ~ Fig. 3, the hollow tube 2 that the present embodiment comprises suction tude 1 and is communicated with it, multiple spray-hole 3 is had in hollow tube 2 upper end, and correspondence is provided with solenoid valve 6 on described spray-hole 3, the groove 4 that cross section is major arc is had at described hollow tube 2 inwall, and described spray-hole 3 is just to described groove 4, multiple electric heating tube 7 has been arranged side by side in described groove 4, guide pad 13 is installed bottom electric heating tube 7, and bottom groove 4, have the guiding groove matched with guide pad 13, described electric heating tube 7 comprises body 10, be filled in the insulating material 11 of body 10 inside and be placed in the electric heating wire 12 of body 10 inside, described electric heating wire 12 end is connected with wiring terminal 9, groove 4 has away from one end of suction tude 1 aperture be in communication with the outside, wiring terminal 9 runs through aperture and is connected with wiring plate 8, and heat conduction board 5 is coated with on the open end of groove 4, heat conduction board 5 is opened inner for described groove 4 with hollow tube 2 interior separation, described solenoid valve 6 comprises the solenoid valve seat 23 inwall being provided with electromagnetic coil, moving valve 19 is disposed with from inside to outside in described solenoid valve seat 23, housing 20, described housing 20 upper end stretches out, and the link 22 of inner hollow is provided with in described housing 20 lower end, gap is left between link 22 upper end and moving valve 19 lower end, to be threaded valve nozzle 26 at the extending end of housing 20, described moving valve 19 inside has and the air flue 21 be communicated with in the middle part of link 22, spring 18 is arranged in air flue 21, and two through holes 15 be communicated with air flue 21 are had on described moving valve 19 sidewall, moving valve 19 upper end is communicated with valve nozzle 26 inside, and circumferentially have multiple fumarole 16 on valve nozzle 26 top.
During work, combustion gas is injected directly in hollow tube 2 by suction tude 1, and is flowed into after in solenoid valve 6 by spray-hole 3, through solenoid valve 6 fine adjustment so that guarantee that combustion gas remains on best flow and exports, and lower for the air pressure in prior art mesolow pipeline and occur the situation of negative pressure between the spray rail caused and filter, the present embodiment just has groove 4 to the inwall place of spray-hole 3 at hollow tube 2, intensification heating is carried out by the gas circulation region in hollow tube 2, utilize the heating value of electric heating tube 7 and the heat trnasfer of heat conduction board 5, make the ambient temperature of combustion gas before entering hollow tube 2 in hollow tube 2 relative to the temperature drift in the external world, namely the pressure in hollow tube 2 raises, combustion gas is entered after hollow tube 2 to a certain extent by heat temperature raising until combustion gas, effectively prevent and produce negative pressure between spray rail and filter and affect the flow velocity of combustion gas, ensure the normal circulation of combustion gas.In air feed operation, for supply normal flow rate, moving valve 19 contacts with each other with the corresponding end face of link 22, and through hole 15 completely block by housing 20 inwall, combustion gas enters in air flue 21 by link 22 inside, directly sprayed in valve nozzle 26 by the open end at air flue 21 top, the fumarole 16 eventually passing valve nozzle 26 top flows out, and when needs increase gas supply amount, by electromagnetic coil, the magnetic field around moving valve 19 is changed in solenoid valve seat 23, make to depart between moving valve 19 and link 22, namely moving valve 19 moves up, now, the through hole 15 be communicated with air flue 21 is communicated with valve nozzle 26 inside gradually, namely the combustion gas exported by link 22 inside enters in valve nozzle 26 by the open end at through hole 15 and moving valve 19 top, the combustion gas input quantity that only need increase link 22 place then can increase the final combustion gas output quantity of valve nozzle 26, compared with prior art, under the prerequisite of same increase combustion gas input quantity, the output quantity of single gas distribution channel is well below the output quantity of two gas distribution channel, and then realize the rate of change of fuel gas supply amount in spray rail, reach the object of gas flow flexible modulation.And, the excircle at valve nozzle 26 top arranges multiple fumarole 16, the stable output of combustion gas when gas quantity in air flue 21 increases or reduces can be adapted to, wherein valve nozzle 26 is threaded with the extending end of housing 20, quick-replaceable can be carried out to it when valve nozzle 26 is impaired, and then the integral replacing avoiding parts such as spool and solenoid valve seats 23, reduce user cost.
And, adopt Electric heating compared with hydro-thermal mode, while there is leak of liquid risk, the efficiency of heating improves greatly, and multiple electric heating tube is placed in the groove 4 of arc, is sealed by the side of wiring plate 8 pairs of grooves 4, heat loss can be reduced, simultaneously also convenient picking and placeing electric heating tube 7, namely user can determine the number of electric heating tube 7 in real time according to the size of fuel gas supply amount, ensures to complete stable operation to combustion gas output flow with minimum heating cost.
Wherein, in the lasting using process of electric heating tube 7, the loss of electric heating tube 7 is relatively large, namely there will be the faults such as damage or short circuit in multiple electric heating tube 7, and multiple electric heating tube 7 is arranged to parallel connection by the present embodiment, namely when single electric heating tube 7 breaks down, the normal use of all the other electric heating tubes 7 can not be affected, form negative pressure between rail and filter to prevent from spraying at low ambient temperatures and cause the output flow of combustion gas not enough; Body 10 bottom of electric heating tube 7 is provided with guide pad 13 simultaneously, guide pad 13 coordinates with guiding groove, make laying of body 10 more stable, namely do not need to increase new fixed structure and just can realize the fastening of electric heating tube 7, reach the object optimizing spray rail internal structure.
The present embodiment is reduce the impact between moving valve 19 and link 22 end, at gap location, cushion pad 24 is installed, to-and-fro motion on the vertical direction that moving valve 19 keeps stable can be ensured on the one hand, can also will reduce the wearing and tearing of moving valve 19 end face on the other hand, extend the working life of moving valve 19.Because valve nozzle 26 and housing 20 extending end are for being threaded, for strengthening the connection sealing between valve nozzle 26 and housing 20 further, the object that O type circle 25 can not only realize strengthening sealability is set, combustion gas can also be cushioned when spraying to the impact dynamics between housing 20 and valve nozzle 26 joint, with the stability of assurance device entirety.
The present embodiment also comprises straight tube 17, and described straight tube 17 lower end is connected with the open end at moving valve 19 top, the dead in line of described straight tube 17 and valve nozzle 26.The setting of straight tube 17 shortens the operation distance of combustion gas in valve nozzle 26 inside, avoid when increasing gas supply amount, flowing by being formed to wad a quilt with cotton between the combustion gas of flowing out in the combustion gas of ejecting in through hole 15 and moving valve 19 open-top end, causing combustion gas to reduce the combustion gas output quantity at fumarole 16 place in the waiting time of valve nozzle 26 inside simultaneously; And the dead in line of the axis of straight tube 17 and valve nozzle 26, can distinguish the combustion gas that the combustion gas of flowing out in through hole 15 and straight tube 17 are flowed out, but finally converges in fumarole 16 place, ensure the flow ejection efficiency at valve nozzle 26 place.
As preferably, if the combustion gas that straight tube 17 end exports is applied directly on the inwall on valve nozzle 26 top, launched by plane, combustion gas is likely launched to the sidewall of valve nozzle 26 inside from the inwall on valve nozzle 26 top, and then extend combustion gas persist the time in valve nozzle 26, and the inwall on valve nozzle 26 top is given prominence to down along straight tube 17 axial direction in the present invention, cross section is the leading role that semicircular protuberance can carry out to a certain extent to combustion gas, namely launching of combustion gas is reduced, guiding gas directly flow to fumarole 16 place along its arc surface, the gas flow ejection efficiency at further raising valve nozzle 26 place.
As preferably, be also provided with aluminium bar 14 in described body 10 inside, described electric heating wire 12 is wrapped on described aluminium bar 14.Transship when electric heating wire 12 or overcurrent time, easily cause electric heating wire 12 power drop or directly produce fusing, and the aluminium bar 14 installed in body 10 be wound around by electric heating wire 12, can ensure within the regular hour that electric heating wire 12 works on, avoid spraying the output flow deficiency again forming negative pressure and combustion gas between rail and filter.
Above-described embodiment; object of the present invention, technological scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. an automobile air supply system gas injection rail, the hollow tube (2) comprising suction tude (1) and be communicated with it, multiple spray-hole (3) is had in hollow tube (2) upper end, and in described spray-hole (3) upper correspondence, solenoid valve (6) is installed, it is characterized in that: have groove (4) at described hollow tube (2) inwall, and described spray-hole (3) is just to described groove (4), multiple electric heating tube (7) has been arranged side by side in described groove (4), electric heating tube (7) bottom is provided with guide pad (13), and have in groove (4) bottom the guiding groove matched with guide pad (13), described electric heating tube (7) comprises body (10), be filled in the inner insulating material (11) of body (10) and be placed in the inner electric heating wire (12) of body (10), described electric heating wire (12) end is connected with wiring terminal (9), groove (4) has away from one end of suction tude (1) the aperture be in communication with the outside, wiring terminal (9) runs through aperture and is connected with wiring plate (8), and on the open end of groove (4), be coated with heat conduction board (5), heat conduction board (5) is opened inner for described groove (4) with hollow tube (2) interior separation, described solenoid valve (6) comprises the solenoid valve seat (23) inwall being provided with electromagnetic coil, moving valve (19) is disposed with from inside to outside in described solenoid valve seat (23), housing (20), described housing (20) upper end stretches out, and the link (22) of inner hollow is provided with in described housing (20) lower end, gap is left between link (22) upper end and moving valve (19) lower end, to be threaded valve nozzle (26) at the extending end of housing (20), described moving valve (19) inside has the air flue (21) be communicated with link (22) middle part, spring (18) is arranged in air flue, and on described moving valve (19) sidewall, have two through holes (15) be communicated with air flue (21), moving valve (19) upper end is communicated with valve nozzle (26) inside, and circumferentially have multiple fumarole (16) on valve nozzle (26) top.
2. a kind of automobile air supply system gas injection rail according to claim 1, is characterized in that: parallel with one another between multiple described electric heating tube (7).
3. a kind of automobile air supply system gas injection rail according to claim 1, it is characterized in that: be also provided with aluminium bar (14) in described body (10) inside, described electric heating wire (12) is wrapped on described aluminium bar (14).
4. a kind of automobile air supply system gas injection rail according to claim 1, is characterized in that: in described gap, be provided with cushion pad (24).
5. a kind of automobile air supply system gas injection rail according to claim 1, is characterized in that: be provided with O type circle (25) in the joint of described valve nozzle (26) outer wall and housing (20) extending end inwall.
6. a kind of automobile air supply system gas injection rail according to claim 1, it is characterized in that: also comprise straight tube (17), described straight tube (17) lower end is connected with the open end at moving valve (19) top, the dead in line of described straight tube (17) and valve nozzle (26).
7. a kind of automobile air supply system gas injection rail according to claim 6, is characterized in that: the inwall on described valve nozzle (26) top is given prominence to down along straight tube (17) axial direction, and the cross section of this protuberance is semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062414.6A CN105545528A (en) | 2016-01-29 | 2016-01-29 | Gas injection rail for automobile gas supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062414.6A CN105545528A (en) | 2016-01-29 | 2016-01-29 | Gas injection rail for automobile gas supply system |
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| CN105545528A true CN105545528A (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610062414.6A Pending CN105545528A (en) | 2016-01-29 | 2016-01-29 | Gas injection rail for automobile gas supply system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105649821A (en) * | 2016-03-29 | 2016-06-08 | 成都科力夫科技有限公司 | Jet auxiliary control system of dual-fuel automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649821A (en) * | 2016-03-29 | 2016-06-08 | 成都科力夫科技有限公司 | Jet auxiliary control system of dual-fuel automobile |
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Application publication date: 20160504 |
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