CN107131076A - A kind of interior guiding fuel gas injection valve of through type with floating valve seat - Google Patents
A kind of interior guiding fuel gas injection valve of through type with floating valve seat Download PDFInfo
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- CN107131076A CN107131076A CN201710504570.8A CN201710504570A CN107131076A CN 107131076 A CN107131076 A CN 107131076A CN 201710504570 A CN201710504570 A CN 201710504570A CN 107131076 A CN107131076 A CN 107131076A
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- valve
- valve seat
- iron core
- armature
- valve element
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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
- F02M21/0248—Injectors
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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
- F02M21/0251—Details of actuators therefor
- F02M21/0254—Electric actuators, e.g. solenoid or piezoelectric
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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
- F02M21/026—Lift valves, i.e. stem operated 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
It is an object of the invention to provide a kind of interior guiding fuel gas injection valve of through type with floating valve seat, by floating valve seat structure, realization is avoided due to the uneven caused reverse leakage function of fuel gas injection valve external and internal pressure, it is ensured that the reliability of fuel gas injection valve work；Air inlet and water conservancy diversion process are realized by bypass structure and water conservancy diversion cavity configuration；The control of valve element is realized by the control of actuator, air injection function is realized in the control of gas circuit；It is engaged by interior guide frame with pressure compensation opening, relief groove, it is ensured that the perpendicularity of valve element, realizes the steady operation of air-flow, reliably working realizes high response speed；By the axially main direct air inlet of air drain and the mixed admission mode of circumferential tonifying Qi gas inlet hole, big flow is realized, the jet efficiency of engine is effectively improved, while air-flow can be avoided to interfere, the stabilization of gas circuit is realized；By valve element and the multiple tracks zonary structure of valve base chamber, the face sealing of fuel gas injection valve, high reliability are realized.
Description
Technical field
The present invention relates to the fuel gas injection of a kind of fuel gas injection valve, specifically natural gas engine gas system
Valve.
Background technology
With constantly soaring, gas machine and the dual fuel engine of the increasingly strict and fuel price of ship Abgasgesetz
Status in the international market is more and more important.Fuel injection system as gas machine, the key components and parts of dual fuel engine,
Its performance directly affects the dynamic property and emission performance of engine.Fuel gas injection valve is that gaseous fuel electric controlled multi-point gas injection machine contains
One of kernel component of double fuel machine, can be achieved each cylinder and supplies by stages at regular time and quantity and charge stratification, its service behaviour is to gas
The dynamic property of body machine or dual fuel engine, emission performance have highly important influence.In the case where engine operating condition is severe,
Easily there is the situation of reverse leakage in injection valve.Accordingly, it would be desirable to design a kind of injection valve with anti-reverse leakage function.Together
When, it is necessary to Development response speed is fast, control accuracy is high, good reliability big flow fuel gas injection valve, its negotiability is expired
Sufficient natural gas engine normal work demand at high load conditions.
The content of the invention
It is an object of the invention to provide fast response time, fuel gas injection it is stable, highly reliable, with anti-reverse leakage work(
A kind of interior guiding fuel gas injection valve of through type with floating valve seat of energy.
The object of the present invention is achieved like this：
A kind of interior guiding fuel gas injection valve of the through type with floating valve seat of the present invention, it is characterized in that：Including valve body, electromagnetism
Iron, valve element assembly, floating valve seat, the electromagnet include iron core, and iron core is fixed on wound around coil in valve body upper end, iron core,
Annular groove is set in iron core；The valve element assembly includes armature, spring base, bottom plate, valve element, and armature, bottom plate, valve element are from upper
Lower arrangement is linked together by fastening bolt simultaneously, and spring base is located at outside armature and annular groove is formed between armature, main
The two ends of back-moving spring are arranged in the annular groove of the annular groove of iron core and spring base, and guide finger is installed in armature center,
Guide finger is fixed together by jump ring and armature, and guide finger is stretched in iron core, and auxiliary back-moving spring, auxiliary reset are set in iron core
The two ends of spring, which contact to set in iron core and guide finger, guide finger respectively, sets relief groove, valve on pressure compensation opening, bottom plate
Core is hollow structure, and pressure compensation opening, relief groove, the hollow space of valve element are communicated, and valve is set in the hollow space of valve element
Seal band and rib are set on seat back-moving spring, valve element, and seal band formation ring cavity, valve element upper surface opens up axially main air drain,
Circumferential tonifying Qi hole is provided with rib；The floating valve seat includes guide base, valve seat, and guide base is fixed on the lower section of valve body, valve
Seat is located at below valve element, and guide base inner ring is provided with T-shaped structure, and valve seat outer ring is by setting the T-shaped structure coordinated with it to pacify
In guide base, the two ends of valve seat back-moving spring are separately fixed on valve seat and valve element, and outlet annulus is set on valve seat, is gone out
Compression ring band is located at below ring cavity, and gas outlet is set below outlet annulus.
The present invention can also include：
The 1st, double anti-gas-leak structure is set between valve seat and guide base, and the first heavy anti-gas-leak structure is in valve seat and led
Installed above to pedestal junction in deformable seal circle, deformable seal circle and install packing washer, the second leakproof again additional along top
Depressed structure is to set two layers of O-ring seal in the T-shaped structure junction of valve seat and guide base, between valve seat and guide base
T-shaped structure junction set elastic washer.
2nd, air inlet is formed between the top of iron core and valve body, diversion cavity is formed between the middle and lower part of iron core and valve body, enters
Gas port, diversion cavity are communicated；Gas is vertically flowed into valve body by air inlet, is flowed into along diversion cavity and is full of valve inner, and coil leads to
After electricity, motion is separated armature band movable valve plug with valve base surface upwards, and gas circuit is opened, and magnetic valve is opened, and gas is by axially main air drain
Flow into, by ring cavity, vertically flowed out by gas outlet with the mixed admission mode in circumferential tonifying Qi hole；After coil blackout, iron core with
In the presence of back-moving spring between spring base, armature band movable valve plug is moved downward, until spool face is fitted with valve base surface,
Initial position is returned to, gas circuit is closed, closed electromagnetic valve.
Advantage of the invention is that：The present invention uses the structure with floating valve seat, and it can effectively prevent fuel gas injection valve
There is the situation of reverse leakage and the function with damping, it is ensured that the reliability and safety of fuel gas injection valve work；This hair
It is bright by opening pressure compensation opening in guide pin centre and a number of relief groove being provided with bottom plate, it is to avoid armature by
Axial force, makes airline pressure inside and outside at armature be more easy to reach balance, improves armature response speed；The present invention is by the four of valve element
Circumferential tonifying Qi hole is opened on individual rib, increases circulation area, valve element quality is reduced, reliability is improved.Set at the circumferential tonifying Qi hole of valve element
The diversion angle of cone of certain angle is put, flow losses are reduced, increases discharge coefficient.The present invention using the axially main direct air inlet of air drain and
The mixed admission mode of circumferential tonifying Qi gas inlet hole, increases charge flow rate coefficient, increases air inflow, while air-flow can be avoided to do
Relate to, gas circuit is reached balance.It is effectively improved the jet efficiency of engine.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is valve element composite unit structure enlarged drawing of the invention；
Fig. 3 is floating valve seat schematic enlarged-scale view of the invention；
Fig. 4 is that gas circuit moves towards schematic diagram；
Fig. 5 is valve core structure top view；
Fig. 6 is valve core structure tomograph；
Fig. 7 is floating valve seat force diagram.
Embodiment
Illustrate below in conjunction with the accompanying drawings and the present invention is described in more detail：
Illustrate with reference to Fig. 1-7, Fig. 1 for the overall structure of interior guiding fuel gas injection valve of the through type of the present invention with floating valve seat
Figure, including valve body 1, electromagnet 2, valve element assembly 3, floating valve seat 4 four are most of.Electromagnet 2 passes through upper square thread and valve body 1
Link together.Electromagnet 2 is mainly made up of iron core 5, coil 6.The both sides of iron core 5 are provided with the annular groove of arrangement master reset spring 7,
The center of iron core 5 is provided with the straight trough of certain depth, and the guide finger 9 between iron core 5 and armature 10 is arranged in inside straight trough.
Fig. 2 is that valve element assembly 3 is main by guide finger 9, armature 10, spring base 14, fastening bolt 19, pad 15, bottom plate
16th, valve element 20 is constituted.It is characterized in that：Armature 10, pad 15, bottom plate 16 and valve element 20 are linked together by fastening bolt 19,
Spring base 14 is arranged on bottom plate 16.The center of guide finger 9 is provided with pressure compensation opening 12, bottom plate 16 and is provided with a number of pressure
Compensating groove 13, it is to avoid armature 10 is made airline pressure inside and outside at armature 10 be more easy to reach balance, improve the sound of armature 10 by axial force
Answer speed；Pin 9 is directed to using jump ring 11 to be fixed together with armature 10.Master reset spring 7 be located at iron core 5 and spring base 14 it
Between, auxiliary back-moving spring 8 is located between guide finger 9 and iron core 5.After coil 6 is powered, iron core 5, armature 10 are magnetized, iron core 5 and rank
Magnetic loop is formed between iron 10, armature 10 is acted on the pretightning force for overcoming master reset spring 7 and auxiliary back-moving spring 8 by electromagnetic force
Motion upwards afterwards, in whole motion process, the axial movement of armature 10 and circumferentially positioned by between guide finger 9 and iron core 5
Coordinate to control to realize, until the upper surface of spring base 14 is in contact with the lower surface of iron core 5, armature 10 maintains one in the position
After the section time, coil 6 is powered off, and the electromagnetic force that armature 10 is subject to disappears, the master reset spring 7 between iron core 5 and spring base 14
In the presence of auxiliary back-moving spring 8 between guide finger 9 and iron core 5, armature 10 is moved downward, until armature 10 comes back to just
Beginning position.
Open 2 circumferential tonifying Qi holes 22 respectively on four ribs 21 of valve element 20, improve response speed, increase circulation area,
Quality can be also reduced simultaneously, improve reliability.The diversion angle of cone of certain angle is set at circumferential tonifying Qi hole 22, flowing is reduced and damages
Lose, increase discharge coefficient.Using the mixed admission mode of the axially direct air inlet of main air drain 35 and the circumferential air inlet of tonifying Qi hole 22, increase
Charge flow rate coefficient, increases air inflow, while air-flow can be avoided to interfere, gas circuit is reached balance.Between valve element 20 and valve seat 31
Using the structure of outlet annulus 18, face sealing, voltage stabilizing balance, and wider annulus area can reduce impact, improve reliability.
Gas circuit is as shown in figure 4, gas is vertically flowed into valve body 1 by air inlet 32, along the inflow of diversion cavity 33 full of valve body 1
Inside, after coil 6 is powered, armature 10 is acted on by electromagnetic force after the pretightning force for overcoming master reset spring 7 and auxiliary back-moving spring 8
Motion upwards, motion is separated band movable valve plug 20 with the surface of valve seat 31 upwards, and now, gas circuit is opened, and magnetic valve is opened, and gas is by axle
Flow into, by ring cavity 17, finally vertically flowed out by gas outlet 34 to the mixed admission mode of main air drain 35 and circumferential tonifying Qi hole 22；
Coil 6 is powered off, and the electromagnetic force that armature 10 is subject to disappears, in the presence of the back-moving spring between iron core and spring base 14, armature
10 are moved downward, and band movable valve plug 20 is moved downward, until the surface of valve element 20 is fitted with the surface of valve seat 31, returns to initial position,
Gas circuit is closed, closed electromagnetic valve.
As shown in figure 3, in order to prevent combustion gas reverse leakage, improving the reliability and security of fuel gas injection valve, the present invention
Employ the structure of floating valve seat 4.Floating valve seat 4 can be locked by magnetic valve when magnetic valve external pressure height is with air pressure inside,
It effectively prevent the reverse leakage of combustion gas.Floating valve seat 4 is made up of 7 parts：Guide base 30, valve seat 31 and valve seat reset
Spring 28, O-ring seal 27, packing washer 24, deformable seal circle 25, elastic washer 26.Guide base 30 is bolted
On valve body 1, valve seat 31 is arranged on guide base 30.The inner ring of guide base 30 carries T-shaped structure, the T with the outer ring of valve seat 31
Shape structure is engaged.The two ends of valve seat back-moving spring 28 are separately fixed on valve seat 31 and valve element 20, and keep certain pretightning force.
In order to prevent gas leakage between valve seat 31 and guide base 30, install double additional between valve seat 31 and guide base 30
Anti-gas-leak structure, the first weight anti-gas-leak structure is the installation deformable seal circle above valve seat 31 and the junction of guide base 30
25, the outer of deformable seal circle 25 is pressed in the mounting groove on guide base 30 and valve body 1, passes through guide base 30 and valve body
Bolt pretightening between 1 is fixed.Packing washer 24 is installed additional along top, valve seat is fixed on by screw 29 in deformable seal circle 25
On 31, packing washer 24 ensures uniform force, strengthens sealing.The material of deformable seal circle 25 uses deformable soft modeling
Material, it is ensured that it does not influence the motion of valve seat 31.Second resealing is installed additional in the T-shaped junction of valve seat 31 and guide base 30
Two layers of O-ring seal 27, further enhances sealing.T-shaped junction between valve seat 31 and guide base 30 has installed one layer additional
Elastic washer 26, reduces vibratory impulse power during contact, serves the effect of damping.Effectively increase the reliable of magnetic valve
Property.
Valve seat 31 is by combustion gas inside the elastic force F4 of valve seat back-moving spring 28, magnetic valve the external gas pressure F1 and F2, magnetic valve
Pressure F3 and the thrust of valve element 20 effect.Valve element 20 is acted on by back-moving spring elastic force.Air pressure is more than electromagnetism below magnetic valve
Valve air pressure inside, magnetic valve the external gas pressure F1, F2 are respectively acting at the lower section of valve seat 31 and outlet annulus 18, under valve seat 31
Square contact area is much larger than outlet annulus 18, therefore, and F1 is much larger than F2, and being expanded in the external gas pressure causes valve element 20 upward
Before motion, the external gas pressure overcomes the initial tension of spring of back-moving spring, and valve seat 31 is moved upwardly together together with valve element 20.Valve
Seat 31 is moved upwardly until that spring base 14 is in contact with electromagnet.Even if now electromagnet is powered, valve element 20 can not also be transported upwards
Dynamic, magnetic valve can not be opened.Magnetic valve is locked.
When magnetic valve inner and outer air pressure recovers normal, valve seat 31 is moved back down in the presence of valve seat back-moving spring 28
It is in situ.If now electromagnet is powered, valve element 20 is still remained stationary as, and magnetic valve is normally-open.Electromagnetism when wanting to close magnetic valve
Iron is powered off, and valve element 20 is moved downward in the presence of back-moving spring, closed electromagnetic valve.If now electromagnet is not powered on, valve seat
31 move back down to original position together with valve element 20 in the presence of back-moving spring, and magnetic valve is remained turned-off.Want to open electromagnetism
During valve, electromagnet is powered, and valve element 20 is moved upwards under the drive of armature 10, and magnetic valve is normally-open.
From the above-mentioned course of work, interior guiding fuel gas injection valve of the through type of the present invention with floating valve seat 4 uses band floating
The structure of dynamic valve seat 4, it can effectively prevent fuel gas injection valve from occurring reversely letting out in the case of injection valve inner and outer air pressure exception
The situation of leakage and the function with damping, it is ensured that the reliability and safety of fuel gas injection valve work；Meanwhile, the present invention passes through
Pressure compensation opening 12 is opened at the center of guide finger 9 and a number of relief groove 13 is provided with bottom plate 16, it is to avoid armature 10
By axial force, make airline pressure inside and outside at armature 10 be more easy to reach balance, improve the response speed of armature 10；The four of valve element 20
The structure in circumferential tonifying Qi hole 22 is opened on individual rib 21, increases circulation area, the mass of valve element 20 is reduced, reliability is improved.In valve element 20
The diversion angle of cone of certain angle is set at circumferential tonifying Qi hole 22, flow losses are reduced, increases discharge coefficient.The present invention is using axially
The direct air inlet of main air drain 35 and the mixed admission mode of the circumferential air inlet of tonifying Qi hole 22, increase charge flow rate coefficient, increase air inflow,
Air-flow can be avoided to interfere simultaneously, gas circuit is reached balance.It is effectively improved the jet efficiency of engine.
Technical scheme：A kind of interior guiding fuel gas injection valve of through type with floating valve seat, it is by valve body, electromagnetism
Iron, valve element assembly, floating valve seat four are most of to be constituted.Electromagnet is linked together by square thread thereon and valve body.Electromagnetism
Iron is mainly made up of iron core, coil.Iron core both sides are provided with the annular groove of arrangement master reset spring, and core center is provided with certain depth
Straight trough, the guide finger between iron core and armature is arranged in inside straight trough.Valve element assembly is main by armature, spring base, fastening
Bolt, pad, bottom plate, valve element composition.It is characterized in that：Armature, pad, bottom plate and valve element are linked together by fastening bolt,
Spring base is arranged on bottom plate, and a number of relief groove is provided with bottom plate.Master reset spring is located at iron core and spring base
Between, guide pin centre is provided with pressure compensation opening, and be directed to pin using jump ring is fixed together with armature, and auxiliary back-moving spring is located at
Between guide finger and iron core.There are out multiple circumferential tonifying Qi holes respectively on the rib of valve element.Valve element and valve base chamber use three road outlets
Zonary structure, face sealing, voltage stabilizing balance, and with wider annulus area.Floating valve seat is by guide base, valve seat and valve
Seat back-moving spring, O-ring seal, packing washer, deformable seal circle, elastic washer composition.It is characterized in that：Guide base passes through
It is bolted on valve body, valve seat is arranged on guide base.Guide base inner ring carries T-shaped structure, the T-shaped with valve seat outer ring
Structure is engaged.Valve seat back-moving spring two ends are separately fixed on valve seat and valve element, and keep certain pretightning force.In valve seat and
Double anti-gas-leak structure is installed between guide base additional, the first heavy anti-gas-leak structure is above valve seat and guide base junction
Deformable seal circle is installed, deformable seal circle outer is pressed in the mounting groove on guide base and valve body, by being oriented to base
Bolt pretightening between seat and valve body is fixed.Packing washer is installed additional along top, be screwed in valve in deformable seal circle
On seat.The material of deformable seal circle uses deformable flexible plastic, it is ensured that it does not influence the motion of valve seat.Second resealing is
Two layers of O-ring seal has been installed additional in the T-shaped junction of valve seat and guide base.
Claims (3)
1. a kind of interior guiding fuel gas injection valve of through type with floating valve seat, it is characterized in that：Including valve body, electromagnet, valve element group
Fit, floating valve seat, the electromagnet includes iron core, and iron core is fixed in wound around coil in valve body upper end, iron core, iron core and set
Annular groove；The valve element assembly includes armature, spring base, bottom plate, valve element, and armature, bottom plate, valve element are arranged simultaneously from top to bottom
Linked together by fastening bolt, spring base is located at outside armature and annular groove is formed between armature, master reset spring
Two ends are arranged in the annular groove of the annular groove of iron core and spring base, and guide finger is installed in armature center, and guide finger passes through
Jump ring and armature are fixed together, and guide finger is stretched in iron core, and auxiliary back-moving spring, the two ends of auxiliary back-moving spring are set in iron core
Contact to set in iron core and guide finger, guide finger respectively and relief groove is set on pressure compensation opening, bottom plate, valve element is hollow knot
Structure, pressure compensation opening, relief groove, the hollow space of valve element are communicated, and valve seat back-moving spring is set in the hollow space of valve element,
Seal band and rib are set on valve element, and seal band formation ring cavity, valve element upper surface opens up and is provided with circumference on axially main air drain, rib
Tonifying Qi hole；The floating valve seat includes guide base, valve seat, and guide base is fixed on the lower section of valve body, and valve seat is located under valve element
Side, guide base inner ring is provided with T-shaped structure, and valve seat outer ring is by setting the T-shaped structure coordinated with it to be arranged on guide base
In, the two ends of valve seat back-moving spring are separately fixed on valve seat and valve element, and outlet annulus is set on valve seat, and outlet annulus is located at ring
Below chamber, gas outlet is set below outlet annulus.
2. a kind of interior guiding fuel gas injection valve of the through type according to claim 1 with floating valve seat, it is characterized in that：In valve
Double anti-gas-leak structure is set between seat and guide base, the first heavy anti-gas-leak structure is on valve seat and guide base junction
Side is installed in deformable seal circle, deformable seal circle installs packing washer additional along top, and the second heavy anti-gas-leak structure is in valve seat
Two layers of O-ring seal, the T-shaped structure junction between valve seat and guide base are set with the T-shaped structure junction of guide base
Elastic washer is set.
3. a kind of interior guiding fuel gas injection valve of the through type according to claim 1 or 2 with floating valve seat, it is characterized in that：
Air inlet is formed between the top of iron core and valve body, diversion cavity, air inlet, diversion cavity are formed between the middle and lower part of iron core and valve body
Communicate；Gas is vertically flowed into valve body by air inlet, is flowed into and is full of after valve inner, coil electricity along diversion cavity, armature band
Motion is separated movable valve plug with valve base surface upwards, and gas circuit is opened, and magnetic valve is opened, and gas is by axially main air drain and circumferential tonifying Qi hole
Mixed admission mode flow into, by ring cavity, vertically flowed out by gas outlet；After coil blackout, between iron core and spring base
In the presence of back-moving spring, armature band movable valve plug is moved downward, until spool face is fitted with valve base surface, returns to initial bit
Put, gas circuit is closed, closed electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710504570.8A CN107131076B (en) | 2017-06-28 | 2017-06-28 | Straight-through type internal guide gas injection valve with floating valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710504570.8A CN107131076B (en) | 2017-06-28 | 2017-06-28 | Straight-through type internal guide gas injection valve with floating valve seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107131076A true CN107131076A (en) | 2017-09-05 |
| CN107131076B CN107131076B (en) | 2023-07-21 |
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ID=59735811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710504570.8A Active CN107131076B (en) | 2017-06-28 | 2017-06-28 | Straight-through type internal guide gas injection valve with floating valve seat |
Country Status (1)
| Country | Link |
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| CN (1) | CN107131076B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654236A (en) * | 2019-01-30 | 2019-04-19 | 柳州源创电喷技术有限公司 | Long-life liquefied natural gas metering valve |
| CN113669161A (en) * | 2021-08-24 | 2021-11-19 | 中国航发贵阳发动机设计研究所 | Igniter with oxygen supplementing structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010017326A1 (en) * | 1999-05-26 | 2001-08-30 | James Paul Fochtman | Compressed natural gas fuel injector having magnetic pole face flux director |
| DE102005043969A1 (en) * | 2005-09-15 | 2007-03-22 | Robert Bosch Gmbh | Valve device for controlling fluid stream, e.g. volume flow of gaseous fluid, has damping area which is designed between stop surface and area attached to housing for absorbing kinetic energy of valve armature |
| CN105089892A (en) * | 2014-05-06 | 2015-11-25 | 罗伯特·博世有限公司 | Valve for controlling a gaseous medium |
| CN106121867A (en) * | 2016-08-31 | 2016-11-16 | 重庆红江机械有限责任公司 | A kind of gaseous propellant engine fuel gas electric spray valve |
| CN206816391U (en) * | 2017-06-28 | 2017-12-29 | 哈尔滨工程大学 | A kind of interior guiding fuel gas injection valve of through type with floating valve seat |
-
2017
- 2017-06-28 CN CN201710504570.8A patent/CN107131076B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010017326A1 (en) * | 1999-05-26 | 2001-08-30 | James Paul Fochtman | Compressed natural gas fuel injector having magnetic pole face flux director |
| DE102005043969A1 (en) * | 2005-09-15 | 2007-03-22 | Robert Bosch Gmbh | Valve device for controlling fluid stream, e.g. volume flow of gaseous fluid, has damping area which is designed between stop surface and area attached to housing for absorbing kinetic energy of valve armature |
| CN105089892A (en) * | 2014-05-06 | 2015-11-25 | 罗伯特·博世有限公司 | Valve for controlling a gaseous medium |
| CN106121867A (en) * | 2016-08-31 | 2016-11-16 | 重庆红江机械有限责任公司 | A kind of gaseous propellant engine fuel gas electric spray valve |
| CN206816391U (en) * | 2017-06-28 | 2017-12-29 | 哈尔滨工程大学 | A kind of interior guiding fuel gas injection valve of through type with floating valve seat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654236A (en) * | 2019-01-30 | 2019-04-19 | 柳州源创电喷技术有限公司 | Long-life liquefied natural gas metering valve |
| CN113669161A (en) * | 2021-08-24 | 2021-11-19 | 中国航发贵阳发动机设计研究所 | Igniter with oxygen supplementing structure |
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| CN107131076B (en) | 2023-07-21 |
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