CN109780299A - Double control solenoid valve and the vehicle for using the solenoid valve - Google Patents
Double control solenoid valve and the vehicle for using the solenoid valve Download PDFInfo
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- CN109780299A CN109780299A CN201711116541.0A CN201711116541A CN109780299A CN 109780299 A CN109780299 A CN 109780299A CN 201711116541 A CN201711116541 A CN 201711116541A CN 109780299 A CN109780299 A CN 109780299A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 54
- 230000003068 static effect Effects 0.000 claims description 30
- 238000009987 spinning Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The present invention relates to double control solenoid valve and use the vehicle of the solenoid valve；Double control solenoid valve includes main valve body and main valve plug, main valve body is equipped with the high-pressure mouth for being connected to high-pressure air source and the working hole for connecting with wind-tone horn, the axial side of main valve plug is equipped with the piston for driving main valve plug to act, the main valve plug side backwards of piston is the working chamber entered for high pressure gas, automatically controlled channel is equipped between working chamber and high-pressure mouth, gas control channel is equipped between the exterior space of main valve body, automatically controlled channel is equipped with the electromagnet assembly for controlling automatically controlled passage switching, gas control channel, which is equipped with check valve or the electromagnet assembly, has the automatically controlled position opened automatically controlled channel while closing gas control channel.Compared with the prior art, double control solenoid valve has Electronic control and pneumatic control both of which, and when use switches between both of which as needed, and the work of double control solenoid valve is more safe and reliable.
Description
Technical field
The present invention relates to a kind of double control solenoid valve more particularly to a kind of double control solenoid valve for wind-tone horn and make
With the vehicle of the solenoid valve.
Background technique
Wind-tone horn on rail traffic/automobile is needed in movement through control solenoid valve inflation, it is ensured that is had enough
Compressed air operates wind-tone horn ring.It is mating to vehicle accordingly with the increasingly increase of rail traffic/automobilism speed
Product requirement is higher, safety, reliability especially for vehicle accessory.Existing control solenoid valve only rely on mostly it is electronic or
Person pneumatically controls, and control function is single, and reliability is lower, is unfavorable for driving safely.
Summary of the invention
The purpose of the present invention is to provide a kind of double control solenoid valves, to solve control function existing for existing solenoid valve
The problem of single, reliability is lower, is unfavorable for vehicle safe driving；The electromagnetism is used the object of the invention is also to provide a kind of
The vehicle of valve.
To achieve the above object, the scheme 1 of double control solenoid valve of the invention is: double control solenoid valve include main valve body and
Main valve plug, main valve body is equipped with the high-pressure mouth for being connected to high-pressure air source and the working hole for connecting with wind-tone horn, main
The axial side of spool be equipped with for drive main valve plug act piston, piston backwards to main valve plug side be for high pressure gas into
The working chamber entered is equipped between automatically controlled channel and the exterior space of main valve body between working chamber and high-pressure mouth and is equipped with gas control channel,
Automatically controlled channel is equipped with the electromagnet assembly for controlling automatically controlled passage switching, and gas control channel is equipped with check valve or the electricity
Magnetic assembly, which has, opens the automatically controlled position that gas control channel is simultaneously closed in automatically controlled channel.
Scheme 2 is double control solenoid valve according to scheme 1, the electromagnet assembly include static iron core, dynamic iron core and
Coil block, dynamic iron core include core retainer plate and the inner elements of check valve, the one-way valve spring that are arranged in core retainer plate, and axial one end of core retainer plate is
For controlling the closed end of the automatically controlled passage switching, the other end is equipped with the opening stretched out for inner elements of check valve, and static iron core has
Central passage, the passway of the close static iron core of central passage form check valve valve port, between static iron core and coil block there are
Interval for passing through when check valve valve port is opened for compressed gas.
Scheme 3 is, according to double control solenoid valve described in scheme 2, the static iron core is stepped shaft structure, stepped shaft structure
With major diameter section and path section, the inserting of major diameter section forms axial stop, path section into the coil block and with coil block
Stretch out coil block and its outer wall and be equipped with external screw thread install for locking nut, locking nut spinning in path section simultaneously and line
Coil assembly compresses.
Scheme 4 is double control solenoid valve according to scheme 3, is equipped with master in the periphery of main valve plug in the main valve body
Valve pocket, main valve plug and main valve housing are formed with valve port of main valve, the work backwards of main valve plug between the high-pressure mouth and working hole
One end of plug be connected with for main valve plug provide towards piston effect power valve core spring, close the main valve plug side of piston and
The connection chamber being communicated with the atmosphere is formed between main valve housing, the cavity wall for being connected to chamber is equipped with the intercommunicating pore being communicated with the atmosphere.
Scheme 5 is double control solenoid valve according to scheme 4, and the main valve plug includes being arranged close to the high-pressure mouth
Valve assembly and the valve rod that is arranged between valve assembly and the piston, valve assembly includes for matching with main valve housing backstop
It closes to form the valve base of the valve port of main valve and for providing the shutter spring towards main valve housing active force, valve rod to valve base
For providing the active force far from main valve housing to valve base under the driving of piston, the piston backwards of valve rod is arranged in valve core spring
One end, valve base has the centre bore that passes through for valve core spring, and one end backwards to valve rod of valve core spring is by spinning in master
Silk plug on valve body is fixed.
Scheme 6 is, according to the described in any item double control solenoid valves of scheme 1 to 5, in the high-pressure mouth and/or working hole
Equipped with the strainer for being filtered to the gas passed through.
The scheme 1 of vehicle of the invention is: vehicle includes wind-tone horn and the double control for controlling wind-tone horn work
Solenoid valve, double control solenoid valve include main valve body and main valve plug, and main valve body is equipped with the high-pressure mouth for being connected to high-pressure air source
With the working hole for connecting with wind-tone horn, the axial side of main valve plug is equipped with the piston for driving main valve plug to act, living
Plug backwards to main valve plug side be the working chamber entered for high pressure gas, between working chamber and high-pressure mouth equipped with automatically controlled channel, and
Gas control channel is equipped between the exterior space of main valve body, automatically controlled channel is equipped with total for controlling the electromagnet of automatically controlled passage switching
At gas control channel is equipped with check valve or the electromagnet assembly, and there is the automatically controlled channel of opening simultaneously to close gas control channel
Automatically controlled position.
Scheme 2 is vehicle according to scheme 1, and the electromagnet assembly includes static iron core, dynamic iron core and coil group
Part, dynamic iron core include core retainer plate and the inner elements of check valve, the one-way valve spring that are arranged in core retainer plate, and axial one end of core retainer plate is for controlling
Make the closed end of the automatically controlled passage switching, the other end is equipped with the opening stretched out for inner elements of check valve, static iron core leads to center
The passway in road, the close static iron core of central passage forms check valve valve port, and there are be used between static iron core and coil block
The interval that check valve valve port passes through when opening for compressed gas.
Scheme 3 is, according to vehicle described in scheme 2, the static iron core is stepped shaft structure, and stepped shaft structure has major diameter
Section and path section, the inserting of major diameter section form axial stop into the coil block and with coil block, and path section stretches out coil
Component and its outer wall are equipped with the external screw thread installed for locking nut, locking nut spinning in path section and with coil block pressure
Tightly.
Scheme 4 is vehicle according to scheme 3, is equipped with main valve housing, main valve in the periphery of main valve plug in the main valve body
Core and main valve housing are formed with valve port of main valve between the high-pressure mouth and working hole, and one end backwards to the piston of main valve plug connects
It is connected to for providing the valve core spring towards piston effect power to main valve plug, between the close main valve plug side of piston and main valve housing
The connection chamber being communicated with the atmosphere is formed, the cavity wall for being connected to chamber is equipped with the intercommunicating pore being communicated with the atmosphere.
Scheme 5 is vehicle according to scheme 4, and the main valve plug includes the valve group close to high-pressure mouth setting
Part and the valve rod being arranged between valve assembly and the piston, valve assembly include for main valve housing counter stopper to be formed
The valve base of the valve port of main valve and for valve base provide towards main valve housing active force shutter spring, valve rod be used in work
The active force far from main valve housing is provided to valve base under the driving of plug, one end backwards to piston of valve rod is arranged in valve core spring,
Valve base has the centre bore passed through for valve core spring, and one end backwards to valve rod of valve core spring is by spinning on main valve body
Silk plug is fixed.
Scheme 6 is, according to the described in any item vehicles of scheme 1 to 5, is equipped with and is used in the high-pressure mouth and/or working hole
The strainer that the gas passed through is filtered.
The beneficial effects of the present invention are: electromagnet assembly obtains electric, automatically controlled channel opening, working chamber and high pressure when Electronic control
Mouth connection, piston driving is lower to drive main valve plug to act, and working hole is connected to high-pressure mouth, the compressed gas-driven being discharged from working hole
Wind-tone horn work；Compressed gas is passed through when pneumatic control into gas control channel, the check valve in gas control channel is opened, and compression is empty
Gas enters working chamber and drives piston mobile, and piston drives main valve plug movement；Or electromagnet assembly is when opening automatically controlled channel
Gas control channel is closed, it is pneumatic to carry out to be passed through compressed gas into gas control channel when electromagnet power loss, automatically controlled channel are closed
Control；Compared with the prior art, double control solenoid valve has Electronic control and pneumatic control both of which, as needed at two kinds
It is switched between mode, the work of double control solenoid valve is more safe and reliable.
Further, electromagnet assembly includes static iron core, dynamic iron core and coil block, and dynamic iron core includes that core retainer plate and setting exist
Inner elements of check valve, one-way valve spring in core retainer plate, static iron core have central passage, the passway of the close dynamic iron core of central passage
Check valve valve port is formed, static iron core forms one-way valve seat；Compression is passed through into the central passage of static iron core in pneumatic control
Air, gas pressure act on inner elements of check valve, and compressed air can enter in working chamber after check valve valve port is opened.Check valve
It is integrally formed formula structure with electromagnet, reduces the volume of double control solenoid valve, easy to disassemble, installation.
Further, it is equipped with main valve housing in the periphery of main valve plug in main valve body, main valve plug includes valve assembly and valve rod, is lived
Door component includes for cooperating with main valve housing axial stop to form the valve base of valve port of main valve, for providing direction to valve base
The spring of main valve housing active force, valve rod are used to apply to valve base far from main valve housing active force under the driving of piston.Main valve valve
Core uses split-type design, reduces spool manufacture difficulty, the maintenance of main valve plug is facilitated to replace.
Further, it is equipped with for being filtered to the gas passed through in the high-pressure mouth and/or working hole on main valve body
Strainer reduces the moving component in main valve body and the possibility of catching phenomenon occurs, extends the service life of double control solenoid valve.
Detailed description of the invention
Fig. 1 is internal structure chart of the embodiment one of double control solenoid valve of the invention in off position；
Fig. 2 is cross-sectional view of the Fig. 1 along Section A-A；
Fig. 3 is cross-sectional view of the Fig. 1 along section B-B；
Fig. 4 is the enlarged drawing at the C in Fig. 1；
Fig. 5 is in internal structure chart when electric control state for the embodiment one of double control solenoid valve；
Fig. 6 is in internal structure chart when pneumatic control state for the embodiment one of double control solenoid valve.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The embodiment one of double control solenoid valve of the invention, as shown in Figures 1 to 6, including main valve body 1, setting are in main valve
Main valve plug 3 that main valve housing 2 in body 1 and guiding are mounted in main valve housing, main valve body 1 are equipped with for being connected to high-pressure air source
High-pressure mouth and working hole for connecting with wind-tone horn, high-pressure mouth are P mouthful, and working hole is A mouthfuls；In main valve plug 3 in main valve body 1
Upside be equipped with the piston 4 for driving main valve plug to act, the upside cavity of piston 4 be the working chamber 5 entered for high pressure gas,
Cavity between lower surface and main valve plug is the connection chamber 6 being communicated with the atmosphere.
Main valve body includes upper valve body 7 and lower valve body 8, and upper and lower valve body passes through the connection bolt 9 being arranged along the vertical direction and is linked to be
One；The upper surface of upper valve body 7 is equipped with boss 10, and boss 10 is equipped with the groove of notch upward, and electromagnetism valve assembly 11 is installed
In a groove.Groove passes through the Vertical Channel 12 extended straight down being arranged in its groove bottom wall and is connected to working chamber 5.Upper valve
Body 7 is equipped with the bypass passageways 13 that are connected to up and down in high-pressure mouth/working hole radial side in lower valve body 8, and the one of bypass passageways 13
Port is connected to high-pressure mouth P, and another port extends in the groove bottom wall of groove, forms Electronic control hole V2, and electromagnet assembly 11 is logical
Cross the control Electronic control hole V2 opening and closing of its dynamic iron core 14.
Main valve plug 3 includes the valve assembly close to high-pressure mouth P setting, and valve assembly includes valve base 15, valve base spring
16 and spring base 17, the upper surface of valve base 15 is used to form axial stop with the lower end surface of main valve housing 2, is formed at counter stopper
Valve port of main valve V1；Valve base spring 16 is arranged on spring base 17, for providing the effect towards main valve housing 2 to valve base 15
Power.Main valve plug 3 further includes for applying the valve rod 18 far from 2 active force of main valve housing to valve base 15, and the upper surface of valve rod 18 supplies
The driving of piston 4, lower end surface are connected with for applying the valve core spring 19 towards the active force of piston 4 to valve rod 18, lower valve body 8
Bottom surface is equipped with the silk plug 20 for valve core spring 19 to be fixed.
Electromagnet assembly 11 includes coil block 21 and the static iron core 22 being mounted in coil block 21, dynamic iron core 14, is moved
The outer wall close to its lower end surface of iron core 14 is equipped with for applying the iron core spring far from 7 active force of upper valve body to dynamic iron core 14
23.Static iron core 22 be stepped shaft structure, stepped shaft structure have for installation into the inner hole of coil block 21 major diameter section and
The path section of coil block 21 is stretched out upwards, and major diameter section and path section junction are equipped with for carrying out backstop with coil block 21
The outer wall of step, path section is equipped with external screw thread, and 24 spinning of locking nut is in path section and is pressed on electromagnet assembly 11
On upper surface；There is annular space between dynamic iron core 14 and coil block 21.
Dynamic iron core 14 includes core retainer plate 141 and the inner elements of check valve 142, the one-way valve spring 143 that are mounted in core retainer plate 141, core
Covering 141 lower ends is to be equipped with and open for what inner elements of check valve 142 stretched out for controlling the closed end of Electronic control mouth V2 opening and closing, upper end
Mouthful.Static iron core 22 forms one-way valve seat, and the bottom surface of static iron core 22 is used to carry out backstop, static iron core 22 to inner elements of check valve 142
With central passage, the O suitable for reading of central passage is high-pressure mouth, and lower mouth forms check valve valve port V3.When check valve valve port V3 is opened,
The central passage of static iron core 22 is connected to by the interval in electromagnet, Vertical Channel 12 with working chamber 5.
When not working, 11 power loss of electromagnet assembly, O mouthfuls of obstructed high pressure gas, the internal structure of double control solenoid valve, such as figure
Shown in 1, valve base 15 is pressed on the lower end surface of main valve housing 2 under the press of shutter spring 16, and valve port of main valve V1 is closed, high pressure
Mouth P is not connected to working hole A, and no compressed gas is discharged from working hole A, and wind-tone horn does not work.
When work, double control solenoid valve has Electronic control mode and pneumatic control model, when being in Electronic control mode, such as
Shown in Fig. 5, after electromagnet assembly 11 is powered, dynamic iron core 14 moves up under the action of electromagnetic attraction, and Electronic control hole V2 is opened, high
The compressed gas in mouth P is pressed to enter working chamber 5 via bypass passageways 13, Electronic control hole V2 and Vertical Channel 12, in working chamber 5
Pressure increase, piston 4 moves down and pushes down on valve rod 18, and the gas being connected in chamber 6 is discharged by intercommunicating pore O1.
After valve rod 18 moves down to a certain extent, the lower end surface of valve rod 18 and the upper end face contact of valve base 15, due to piston 4
Compression area be greater than the compression area of valve base 15, valve rod 18 continues to push down on valve base 15 under the action of pressure difference, living
Gate seat 15 moves down, and valve port of main valve V1 is opened, and the compressed gas in high-pressure mouth P enters work by valve port of main valve V1, main valve intracoelomic cavity
Make mouth A, the compressed gas being discharged from working hole A supplies wind-tone horn.
When in pneumatic control mode, as shown in fig. 6,11 power loss of electromagnet assembly, O mouthfuls of compressed air entrance, check valve
Spool 142 moves down after being pressurized, and check valve valve port V3 is opened, and compressed air is via check valve valve port V3, electromagnetism valve insertion and vertical
Channel 12 enters working chamber 5, and the band ovable valve stem 18 under the action of gas pressure of piston 4 moves down, and valve rod 18 drives under valve base 15
It moves, valve port of main valve V1 is opened, and high-pressure mouth P is connected to working hole A, and compressed gas is discharged from working hole A, supplies wind-tone horn.
Compared with the prior art, double control solenoid valve has Electronic control mode and pneumatic control model simultaneously, and two kinds are not
It can be controlled separately electromagnetic valve work with mode, work relatively reliable, it is more durable, improve vehicle reliability of operation.
Further, strainer 25 is respectively equipped in working hole A and high-pressure mouth P, strainer 25 is hemisphere face shape, hemispherical strainer
25 convex portion is towards the inside of main valve body 1；When double control electromagnetic valve work, by strainer 25 to the impurity in gas medium
It is filtered, reduces the generation of 3 catching phenomenon of spool, improve the service life of solenoid valve.
Embodiment two, embodiment two and embodiment one the difference is that: can also be integral type spool by main valve plug,
Main valve plug be equipped with for main valve housing formed valve port of main valve the shaft shoulder, main valve plug backwards to piston one end be connected with for
The spring of main valve plug offer restoring force.
Embodiment three, embodiment three and embodiment one the difference is that: can also be by check valve and electromagnet assembly
It is provided separately, to reduce design, the manufacture difficulty of electromagnet assembly.Check valve is arranged on the side wall of main valve body, when pneumatic control
Compressed air is passed through into working chamber by check valve.
Example IV, example IV and embodiment one the difference is that: check valve can also be not provided with, electromagnet is total
When Cheng get electricity, the central passage of static iron core is closed the upper surface of Electronic control mouth while dynamic iron core by dynamic iron core, is carried out electronic
Control；When electromagnet assembly power loss, dynamic iron core resets under the action of iron core spring, and pneumatic control mouth is opened, to pneumatic control
Pneumatic control can be carried out by being passed through compressed air in mouthful.
The embodiment of vehicle of the invention, vehicle include wind-tone horn and the double control electromagnetism for powering to wind-tone horn
Valve, the structure of double control solenoid valve and the structure of any embodiment of double control solenoid valve of aforementioned present invention are identical.Therefore, no
Repeat explanation.
Claims (10)
1. double control solenoid valve, it is characterised in that: including main valve body and main valve plug, main valve body is equipped with for connecting with high-pressure air source
The axial side of logical high-pressure mouth and the working hole for connecting with wind-tone horn, main valve plug is equipped with for driving main valve plug to act
Piston, piston backwards to main valve plug side be the working chamber entered for high pressure gas, equipped with electric between working chamber and high-pressure mouth
It controls and is equipped with gas control channel between channel and the exterior space of main valve body, automatically controlled channel is equipped with for controlling automatically controlled passage switching
Electromagnet assembly, gas control channel, which is equipped with check valve or the electromagnet assembly and has, opens automatically controlled channel simultaneously for gas control
The automatically controlled position that channel is closed.
2. double control solenoid valve according to claim 1, it is characterised in that: the electromagnet assembly includes static iron core, moves
Iron core and coil block, dynamic iron core include core retainer plate and the inner elements of check valve, the one-way valve spring that are arranged in core retainer plate, the axial direction of core retainer plate
One end is for controlling the closed end of the automatically controlled passage switching, the other end equipped with the opening stretched out for inner elements of check valve, quiet iron
Core has a central passage, and the passway of close the static iron core of central passage forms check valve valve port, static iron core and coil block it
Between there are for the interval that passes through for compressed gas when check valve valve port is opened.
3. double control solenoid valve according to claim 2, it is characterised in that: the static iron core is stepped shaft structure, ladder
Axle construction has major diameter section and path section, and the inserting of major diameter section forms axial stop into the coil block and with coil block,
Path section stretches out coil block and its outer wall is equipped with the external screw thread installed for locking nut, and locking nut spinning is in path section
And it is compressed with coil block.
4. double control solenoid valve according to claim 3, it is characterised in that: the periphery in the main valve body in main valve plug is set
There are main valve housing, main valve plug and main valve housing to be formed with valve port of main valve, the institute backwards of main valve plug between the high-pressure mouth and working hole
The one end for stating piston is connected with for providing the valve core spring towards piston effect power, the close main valve plug one of piston to main valve plug
The connection chamber being communicated with the atmosphere is formed between side and main valve housing, the cavity wall for being connected to chamber is equipped with the intercommunicating pore being communicated with the atmosphere.
5. double control solenoid valve according to claim 4, it is characterised in that: the main valve plug includes close to the high-pressure mouth
The valve assembly of setting and the valve rod being arranged between valve assembly and the piston, valve assembly include for stopping with main valve housing
Gear cooperates to form the valve base of the valve port of main valve and for providing the shutter spring towards main valve housing active force to valve base,
For valve rod for providing the active force far from main valve housing to valve base under the driving of piston, valve rod is arranged in backwards in valve core spring
One end of piston, valve base have the centre bore passed through for valve core spring, and one end backwards to valve rod of valve core spring passes through spinning
Silk plug on main valve body is fixed.
6. vehicle, the double control solenoid valve including wind-tone horn and for controlling wind-tone horn work, it is characterised in that: double control
Solenoid valve includes main valve body and main valve plug, and main valve body is equipped with the high-pressure mouth for being connected to high-pressure air source and is used for and pneumatic loudspeaker
The working hole of connection, the axial side of main valve plug are equipped with the piston for driving main valve plug to act, the main valve plug backwards of piston
Side is the working chamber entered for high pressure gas, and automatically controlled channel, the external sky with main valve body are equipped between working chamber and high-pressure mouth
Between between be equipped with gas control channel, automatically controlled channel is equipped with electromagnet assembly for controlling automatically controlled passage switching, on gas control channel
There is the automatically controlled position opened automatically controlled channel and simultaneously close gas control channel equipped with check valve or the electromagnet assembly.
7. vehicle according to claim 6, it is characterised in that: the electromagnet assembly includes static iron core, dynamic iron core and line
Coil assembly, dynamic iron core include core retainer plate and the inner elements of check valve, the one-way valve spring that are arranged in core retainer plate, and axial one end of core retainer plate is to use
In control the closed end of the automatically controlled passage switching, the other end is equipped with the opening stretched out for inner elements of check valve, during static iron core has
Heart channel, the passway of the close static iron core of central passage form check valve valve port, between static iron core and coil block there are with
In the interval passed through when check valve valve port is opened for compressed gas.
8. vehicle according to claim 7, it is characterised in that: the static iron core is stepped shaft structure, stepped shaft structure tool
There are major diameter section and path section, the inserting of major diameter section forms axial stop into the coil block and with coil block, and path section is stretched
Coil block and its outer wall are equipped with external screw thread install for locking nut out, locking nut spinning in path section simultaneously and coil
Component compresses.
9. vehicle according to claim 8, it is characterised in that: be equipped with main valve in the periphery of main valve plug in the main valve body
Set, main valve plug and main valve housing are formed with valve port of main valve, the piston backwards of main valve plug between the high-pressure mouth and working hole
One end be connected with for providing the valve core spring towards piston effect power, the close main valve plug side of piston and master to main valve plug
The connection chamber being communicated with the atmosphere is formed between valve pocket, the cavity wall for being connected to chamber is equipped with the intercommunicating pore being communicated with the atmosphere.
10. vehicle according to claim 9, it is characterised in that: the main valve plug includes being arranged close to the high-pressure mouth
Valve assembly and the valve rod being arranged between valve assembly and the piston, valve assembly include for main valve housing counter stopper
To form the valve base of the valve port of main valve and for providing the shutter spring towards main valve housing active force to valve base, valve rod is used
In providing the active force far from main valve housing to valve base under the driving of piston, the piston backwards of valve rod is arranged in valve core spring
One end, valve base have the centre bore passed through for valve core spring, and one end backwards to valve rod of valve core spring is by spinning in main valve
Silk plug on body is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711116541.0A CN109780299A (en) | 2017-11-13 | 2017-11-13 | Double control solenoid valve and the vehicle for using the solenoid valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711116541.0A CN109780299A (en) | 2017-11-13 | 2017-11-13 | Double control solenoid valve and the vehicle for using the solenoid valve |
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| Publication Number | Publication Date |
|---|---|
| CN109780299A true CN109780299A (en) | 2019-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711116541.0A Pending CN109780299A (en) | 2017-11-13 | 2017-11-13 | Double control solenoid valve and the vehicle for using the solenoid valve |
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| CN204828865U (en) * | 2015-05-22 | 2015-12-02 | 南京航空航天大学 | Pneumatic proportional valve system based on switch tactics |
| CN206503992U (en) * | 2016-09-14 | 2017-09-19 | 常州恒立气动科技有限公司 | A kind of cut-off type two-position three-way valve |
| CN207554925U (en) * | 2017-11-13 | 2018-06-29 | 新乡平原航空设备有限公司 | A kind of double control solenoid valve and the vehicle using the solenoid valve |
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