CN105673256A - Gas flow adjusting valve - Google Patents
Gas flow adjusting valve Download PDFInfo
- Publication number
- CN105673256A CN105673256A CN201610062409.5A CN201610062409A CN105673256A CN 105673256 A CN105673256 A CN 105673256A CN 201610062409 A CN201610062409 A CN 201610062409A CN 105673256 A CN105673256 A CN 105673256A
- Authority
- CN
- China
- Prior art keywords
- valve
- housing
- air flue
- gas flow
- moving valve
- 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.)
- Granted
Links
Classifications
-
- 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
- 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
- F02M21/0248—Injectors
- F02M21/0257—Details of the valve closing elements, e.g. valve seats, stems or arrangement of flow passages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0668—Sliding valves
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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 flow adjusting valve. The gas flow adjusting valve comprises an electromagnetic valve seat. A movable valve body and a shell are sequentially arranged in the electromagnetic valve seat from interior to exterior. The upper end of the shell extends outwards, and a hollow connecting piece is arranged at the lower end of the shell. A gap is reserved between the upper end of the connecting piece and the lower end of the movable valve body. The extending end of the shell is in threaded connection with a valve nozzle. An air flue communicating with the middle portion of the connecting piece is formed in the movable valve body. A spring is arranged in the air flue. Two through holes communicating with the air flue are formed in the side wall of the movable valve body. The upper end of the movable valve body communicates with the interior of the valve nozzle. A plurality of blow holes are formed in the circumference of the top end of the valve nozzle. The multiple blow holes are formed in the outer circumference of the top of the valve nozzle to adapt to stable gas output when the amount of gas in the air flue is increased or decreased, the valve nozzle is in threaded connection with the extending end of the shell so that the valve nozzle can be rapidly replaced when damaged, overall replacement of a valve element, the electromagnetic valve seat and other components is avoided, and the using cost is reduced.
Description
Technical field
The present invention relates to combustion gas spray rail, specifically refer to gas-flow amount regulating valve.
Background technology
Along with the rapid growth of automobile pollution, environmental pollution and petroleum resources shortage problem are on the rise. For this reason, the R&D work of new-energy automobile is actively developed in countries in the world. Wherein, gasfueled vehicles are low with its discharge, suppress Greenhouse effect and break away from oil is relied on three big characteristics, are just worldwide popularized and promote. In China, many city bus and taxi have great amount of fuel oil car to use or used instead compressed natural gas (CNG) or liquefied petroleum gas (LPG) (LPG) instead. Along with increasing rapidly of China's gas combustion automobile recoverable amount, the combustion heater that exploitation is mated with it mutually is also imperative.
In the electronic controlled gas injection system of gaseous propellant engine, one of device of most critical is insufflator, and its performance quality directly affects the jet quality of fuel. But, prior art is sprayed the complex structure of rail spool, the stability of nozzle flow is not enough, in regulate process, the adjustment of gas flow is comparatively delayed, such as the gas flow change ejected by nozzle when strengthening or reduce flow output is slower.
Summary of the invention
It is an object of the invention to provide combustion gas flow rate regulating valve, increase the rate of change of fuel gas supply amount in spray rail, and then the object that combustion gas flow regulates and controls flexibly.
The object of the present invention is achieved through the following technical solutions:
Combustion gas flow rate regulating valve, comprise the solenoid valve seat being provided with solenoid on inwall, moving valve it is disposed with from inside to outside in described solenoid valve seat, housing, described housing upper end outwards extends, and end is provided with the web member of inner hollow under described housing, gap is left between web member upper end and the lower end of moving valve, elongated end at housing has been threaded valve mouth, described moving valve inside has and the air flue being connected in the middle part of web member, spring is arranged in air flue, and on described moving valve sidewall, have two through holes being connected with air flue, moving valve upper end is connected with valve mouth inside, and circumferentially have, on valve mouth top, the straight tube that multiple gas orifice also comprises axis and overlap with the axis of valve mouth, described straight tube is made up of Guan Tiyu pipe connecting, the described lower end of pipe body is connected with the open end at moving valve top, and pipe connecting upper end runs through the top of valve mouth, the lower end of pipe connecting runs through the end face of pipe body and extends downwards, it is provided with outwardly in pipe connecting bottom outer rim and between inboard wall of tube body, forms annular seal space, and in annular seal space, it is marked with the fluid of 1/2 volume,When adjusting gas flow exports, by the changes of magnetic field of solenoid, moving valve in the vertical direction is made to do translational motion, to regulate the contact area size of through hole and inner walls.
In prior art, the supply of combustion gas is directly transmitted often through gas line, does not reach the requirement of precise fine-adjustment in the adjustment of air demand so that gas supply cannot practical requirement, when the present invention works, for supply normal discharge, moving valve contacts with each other with the corresponding end face of web member, and through hole is blocked by inner walls completely, combustion gas enters in air flue by web member inside, directly sprayed in straight tube by the open end at air flue top, eventually pass straight tube upper end and flow out, and when needs increase gas supply amount, by solenoid, the magnetic field around moving valve is changed in solenoid valve seat, make to depart between moving valve and web member, namely moving valve moves up, now, the through hole being connected with air flue is connected with valve mouth inside gradually, namely the combustion gas exported by web member inside enters in valve mouth by the open end of through hole and moving valve top, the combustion gas input that only need to increase web member place then can increase the final combustion gas work output of valve mouth, compared with prior art, under the prerequisite of same increase combustion gas input, the work output of single gas distribution channel is well below the work output of two gas distribution channel, and then realize the rate of change of fuel gas supply amount in spray rail, reach the object that combustion gas flow regulates and controls flexibly. and, the excircle at valve mouth top arranges multiple gas orifice, the stable output of combustion gas when gas quantity in air flue increases or reduces can be adapted to, wherein valve mouth is threaded with the elongated end of housing, when valve mouth is impaired, it can be changed fast, and then avoid the integral replacing to the parts such as spool and solenoid valve seat, reduce use cost.
Further, the axis of straight tube overlaps with the axis of valve mouth, it is to increase outside combustion gas while the stability of spray, ensures the flow ejection efficiency at valve mouth place; And straight tube is made up of pipe body and pipe connecting, during air feed, pipe connecting is fixed, and pipe body, when moving with moving valve, utilizes the fluid in annular seal space to be sealed completely the connection portion between Guan Tiyu pipe connecting, prevents gas from the object leaked occurring to reach.
In described gap, cushion plate is installed. For the impact reduced between moving valve and web member end, at gap location, cushion plate is installed, to-and-fro movement on the vertical direction that moving valve keeps stable can be ensured on the one hand, can also will reduce the abrasion of moving valve end face on the other hand, extend the work-ing life of moving valve.
In the junction of described valve mouth outer wall and housing elongated end inwall, O is installed. Due to valve mouth with housing elongated end for being threaded, for the connection sealing strengthened further between valve mouth and housing, O is set and can not only realize the object strengthening sealing property, combustion gas can also be cushioned when spraying to the impact dynamics between housing and valve mouth junction, with the stability of assurance device entirety.
The present invention compared with prior art, has following advantage and useful effect:
1, the present invention arranges multiple gas orifice on the excircle at valve mouth top, the stable output of combustion gas when gas quantity in air flue increases or reduces can be adapted to, wherein valve mouth is threaded with the elongated end of housing, when valve mouth is impaired, it can be changed fast, and then avoid the integral replacing to the parts such as spool and solenoid valve seat, reduce use cost;
2, the present invention is the impact reduced between moving valve and web member end, at gap location, cushion plate is installed, to-and-fro movement on the vertical direction that moving valve keeps stable can be ensured on the one hand, can also will reduce the abrasion of moving valve end face on the other hand, extend the work-ing life of moving valve;
3, the present invention arranges O and can not only realize the object strengthening sealing property, moreover it is possible to cushion combustion gas when spraying to the impact dynamics between housing and valve mouth junction, with the stability of assurance device entirety.
Accompanying drawing explanation
Accompanying drawing described herein be used to provide to the embodiment of the present invention it is further understood that form the application a part, do not form the restriction to the embodiment of the present invention. In the accompanying drawings:
Fig. 1 is present configuration schematic diagram;
Fig. 2 is the enlarged view at A place in Fig. 1;
Mark and corresponding component title in accompanying drawing:
1-through hole, 2-gas orifice, 3-straight tube, 31-fluid, 32-annular seal space, 33-pipe connecting, 4-spring, 5-moving valve, 6-housing, 7-air flue, 8-web member, 9-solenoid valve seat, 10-cushion plate, 11-O type circle, 12-valve mouth.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and the 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 depicted in figs. 1 and 2, the present embodiment comprises the solenoid valve seat 9 being provided with solenoid on inwall, moving valve 5 it is disposed with from inside to outside in described solenoid valve seat 9, housing 6, described housing 6 upper end outwards extends, and the web member 8 of inner hollow it is provided with at described housing 6 times ends, gap is left between web member 8 upper end and moving valve 5 times ends, elongated end at housing 6 has been threaded valve mouth 12, described moving valve 5 inside has and the air flue 7 being connected in the middle part of web member 8, spring 4 is arranged in air flue 7, and on described moving valve 5 sidewall, have two through holes 1 being connected with air flue 7, moving valve 5 upper end is connected with valve mouth 12 inside, and circumferentially have multiple gas orifice 2 on valve mouth 12 top, also comprise the straight tube 3 that axis overlaps with the axis of valve mouth 12, described straight tube 3 is made up of Guan Tiyu pipe connecting 33, the described lower end of pipe body is connected with the open end at moving valve 5 top, and pipe connecting 33 upper end runs through the top of valve mouth 12, pipe connecting 33 times ends run through the end face of pipe body and extend downwards, in pipe connecting 33 bottom, outer rim is provided with outwardly and forms annular seal space 32 between inboard wall of tube body, and in annular seal space 32, it is marked with the fluid 31 of 1/2 volume, when adjusting gas flow exports, by the changes of magnetic field of solenoid, moving valve 5 in the vertical direction is made to do translational motion, to regulate the contact area size of through hole 1 with housing 6 inwall.
During work, for supply normal discharge, moving valve 5 contacts with each other with the corresponding end face of web member 8, and through hole 1 is blocked by housing 6 inwall completely, combustion gas enters in air flue 7 by web member 8 inside, directly sprayed in straight tube 12 by the open end at air flue 7 top, eventually pass straight tube 12 end and flow out, and when needs increase gas supply amount, by solenoid, the magnetic field around moving valve 5 is changed in solenoid valve seat 9, make to depart between moving valve 5 and web member 8, namely moving valve 5 moves up, now, the through hole 1 being connected with air flue 7 is connected with valve mouth 12 inside gradually, namely the combustion gas exported by web member 8 inside enters in valve mouth 12 by the open end of through hole 1 and moving valve 5 top, the combustion gas input that only need to increase web member 8 place then can increase the final combustion gas work output of valve mouth 12, compared with prior art, under the prerequisite of same increase combustion gas input, the work output of single gas distribution channel is well below the work output of two gas distribution channel, and then realize the rate of change of fuel gas supply amount in spray rail, reach the object that combustion gas flow regulates and controls flexibly.And, the excircle at valve mouth 12 top arranges multiple gas orifice 2, the stable output of combustion gas when gas quantity in air flue 7 increases or reduces can be adapted to, wherein valve mouth 12 is threaded with the elongated end of housing 6, when valve mouth 12 is impaired, it can be changed fast, and then avoid the integral replacing to parts such as spool and solenoid valve seats 9, reduce use cost. Further, the axis of straight tube 3 overlaps with the axis of valve mouth 12, it is to increase outside combustion gas while the stability of spray, ensures the flow ejection efficiency at valve mouth 12 place; And straight tube 3 is made up of pipe body and pipe connecting 33, during air feed, pipe connecting 33 is fixed, pipe body, when moving with moving valve 5, utilizes the fluid 31 in annular seal space 32 to be sealed completely the connection portion between Guan Tiyu pipe connecting 33, prevents combustion gas from the object leaked occurring to reach.
Wherein, the present embodiment is the impact reduced between moving valve 5 and web member 8 end, at gap location, cushion plate 10 is installed, to-and-fro movement on the vertical direction that moving valve 5 keeps stable can be ensured on the one hand, can also will reduce the abrasion of moving valve 5 end face on the other hand, extend the work-ing life of moving valve 5. Due to valve mouth 12 with housing 6 elongated end for being threaded, for the connection sealing strengthened further between valve mouth 12 and housing 6, O 11 is set and can not only realize the object strengthening sealing property, combustion gas can also be cushioned when spraying to the impact dynamics between housing 6 and valve mouth 12 junction, with the stability of assurance device entirety.
Above-described embodiment; the object of the present invention, technical scheme and useful effect have been further described; it is it should be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain being not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment of making, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. combustion gas flow rate regulating valve, comprise the solenoid valve seat (9) being provided with solenoid on inwall, it is characterized in that: in described solenoid valve seat (9), be disposed with moving valve (5) from inside to outside, housing (6), described housing (6) upper end outwards extends, and the web member (8) of inner hollow it is provided with at described housing (6) lower end, gap is left between web member (8) upper end and moving valve (5) lower end, elongated end at housing (6) has been threaded valve mouth (12), the air flue (7) that described moving valve (5) inside has with web member (8) middle part is connected, spring (4) is arranged in air flue, and on described moving valve (5) sidewall, have two through holes (1) being connected with air flue (7), moving valve (5) upper end is connected with valve mouth (12) inside, and circumferentially have multiple gas orifice (2) on valve mouth (12) top, also comprise the straight tube (3) that axis overlaps with the axis of valve mouth (12), described straight tube (3) is made up of Guan Tiyu pipe connecting (33), the described lower end of pipe body is connected with the open end at moving valve (5) top, and pipe connecting (33) upper end runs through the top of valve mouth (12), pipe connecting (33) lower end runs through the end face of pipe body and extends downwards, in pipe connecting (33) bottom, outer rim is provided with outwardly and is formed between inboard wall of tube body annular seal space (32), and in annular seal space (32), it is marked with the fluid (31) of 1/2 volume, when adjusting gas flow exports, by the changes of magnetic field of solenoid, moving valve (5) in the vertical direction is made to do translational motion, to regulate the contact area size of through hole (1) with housing (6) inwall.
2. combustion gas flow rate regulating valve according to claim 1, it is characterised in that: cushion plate (10) is installed in described gap.
3. combustion gas flow rate regulating valve according to claim 1, it is characterised in that: in the junction of described valve mouth (12) outer wall and housing (6) elongated end inwall, O (11) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062409.5A CN105673256B (en) | 2016-01-29 | 2016-01-29 | Gas flow adjusts valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062409.5A CN105673256B (en) | 2016-01-29 | 2016-01-29 | Gas flow adjusts valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105673256A true CN105673256A (en) | 2016-06-15 |
| CN105673256B CN105673256B (en) | 2019-01-11 |
Family
ID=56302995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610062409.5A Active CN105673256B (en) | 2016-01-29 | 2016-01-29 | Gas flow adjusts valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105673256B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1452718A1 (en) * | 2001-02-23 | 2004-09-01 | C.R.F. Società Consortile per Azioni | On-off valve for a gas injection system, particularly of methane, for internal combustion engines |
| DE10352287A1 (en) * | 2003-11-08 | 2005-06-09 | Robert Bosch Gmbh | Valve for control of gas supply to vehicle fuel cells or gas engine has tubular vibration damper downstream from valve seat plate which has radial apertures passing through tube walls |
| CN201650502U (en) * | 2009-12-02 | 2010-11-24 | 牛洪贞 | Automobile gas fuel electronic-controlled injection electromagnetic valve |
| CN201705500U (en) * | 2010-06-04 | 2011-01-12 | 陆国祥 | High-speed fuel gas spraying solenoid valve for a vehicle |
| CN104279106A (en) * | 2013-07-12 | 2015-01-14 | 德尔福技术有限公司 | Valve seat for gaseous fuel injector |
| CN105074188A (en) * | 2013-02-19 | 2015-11-18 | 罗伯特·博世有限公司 | Valve having an adjustable sealing element |
| CN105156234A (en) * | 2015-10-21 | 2015-12-16 | 中国船舶重工集团公司第七�三研究所 | Combination gas blending device for gaseous propellant engine |
| CN205350499U (en) * | 2016-01-29 | 2016-06-29 | 成都杜嘉机电有限公司 | Gas spraying rail's air demand adjusting valve |
-
2016
- 2016-01-29 CN CN201610062409.5A patent/CN105673256B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1452718A1 (en) * | 2001-02-23 | 2004-09-01 | C.R.F. Società Consortile per Azioni | On-off valve for a gas injection system, particularly of methane, for internal combustion engines |
| DE10352287A1 (en) * | 2003-11-08 | 2005-06-09 | Robert Bosch Gmbh | Valve for control of gas supply to vehicle fuel cells or gas engine has tubular vibration damper downstream from valve seat plate which has radial apertures passing through tube walls |
| CN201650502U (en) * | 2009-12-02 | 2010-11-24 | 牛洪贞 | Automobile gas fuel electronic-controlled injection electromagnetic valve |
| CN201705500U (en) * | 2010-06-04 | 2011-01-12 | 陆国祥 | High-speed fuel gas spraying solenoid valve for a vehicle |
| CN105074188A (en) * | 2013-02-19 | 2015-11-18 | 罗伯特·博世有限公司 | Valve having an adjustable sealing element |
| CN104279106A (en) * | 2013-07-12 | 2015-01-14 | 德尔福技术有限公司 | Valve seat for gaseous fuel injector |
| CN105156234A (en) * | 2015-10-21 | 2015-12-16 | 中国船舶重工集团公司第七�三研究所 | Combination gas blending device for gaseous propellant engine |
| CN205350499U (en) * | 2016-01-29 | 2016-06-29 | 成都杜嘉机电有限公司 | Gas spraying rail's air demand adjusting valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105673256B (en) | 2019-01-11 |
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Effective date of registration: 20201102 Address after: 610000 1-6 / F, No.8, Nanbei Avenue, Chengzi Industrial Park, Yangma Town, Chengdu, Sichuan Province 610000 Patentee after: Sichuan Chengde Blue Sky Environmental Protection Technology Co., Ltd Address before: 610000, No. 1, No. 83, South Street, Xindu town, Xindu District, Sichuan, Chengdu Patentee before: CHENGDU DUJIA ELECTRICAL Co.,Ltd. |