CN105402443B - Multi-channel control air valve - Google Patents
Multi-channel control air valve Download PDFInfo
- Publication number
- CN105402443B CN105402443B CN201510957418.6A CN201510957418A CN105402443B CN 105402443 B CN105402443 B CN 105402443B CN 201510957418 A CN201510957418 A CN 201510957418A CN 105402443 B CN105402443 B CN 105402443B
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- Prior art keywords
- gas
- interface
- valve body
- joystick
- valve
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Classifications
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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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/14—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by one actuating member, e.g. a handle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
Abstract
The invention belongs to control air valve, a kind of multi-channel control air valve is particularly related to.Inlet suction port and steam vent including valve body and located at its lower end, it is axially arranged and be spaced in valve body by joystick control axial displacement commutation, relief pressure valve cartridge, commutation, relief pressure valve cartridge is respectively arranged below with the first plug for seal device, working interface on body cavity is lifting, decline, open, down interface, each working interface is connected through gas circuit with each first sealing device, station corresponding with joystick is adapted to respectively for three reversing valve cores and a relief pressure valve cartridge, interface and down interface are opened through the connection of gas control passage in pneumatic mechanism both sides on valve body in fixed air control switch, tight mechanism two ends are connected through gas channels with each first sealing device in air control switch.The present invention solve in the prior art it is loosely organized, be also easy to produce the technical problems such as maloperation, misuse rate low advantage small with compact conformation, potential safety hazard.
Description
Technical field
The invention belongs to control air valve, a kind of multi-channel control air valve is particularly related to.
Background technology
Existing dumper is after dispatching from the factory, to realize the control in carriage lifting, decline and the opening-closing process of car door, leads to
Refitting factory is often needed to install corresponding control device, the realization gas control commutation using two groups of independence general at present of above-mentioned functions additional
Valve, is that the use of supporting two groups of Pneumatic reversal valves is configured with two sets of independent control air valves, it is necessary to correspond to, control air valve must be installed
Both sides in dumper driver's cabin main driving position.The problem of above-mentioned prior art is present one is that the driving interior space is limited, and
Operated for the ease of operating personnel, control the installing space of air valve then more narrow, while causing driver to pass in and out driver's cabin not
Just；Two, which are due to two, controls air valves by the way of handle control, easily because driver grasps in more narrow space
Slip up factors such as (including) driver's false hit, function error in judgement, clothing or other article scratchings cause to control air valve
Damage, more seriously such as because maloperation causes compartment to decline or railway carriage or compartment door in vehicle maintenance, load or the course of work
Under closed mode during carriage lifting, easily cause to constitute maintenance personal the accident of dangerous or vehicle rollover.
There is the patent literature using multi-channel control in Hydraulic guide control valve at present, but due to Hydraulic guide control
Valve is deposited with control air valve in the many-side such as application field, steering force, sealing structure, transmission medium, making material, small product size
In larger difference, therefore said structure is not particularly suited for dumper control air valve.
Goal of the invention
The present invention provides a kind of compact conformation, is easy to the multi-channel control air valve of control.
The present invention overall structure be：
Multi-channel control air valve, including valve body, are opened in the inlet suction port and steam vent of valve body lower end, axially arranged and interval
It is arranged in below reversing valve core, the relief pressure valve cartridge for controlling axial displacement in valve body by joystick, reversing valve core, relief pressure valve cartridge and divides
Not She You the first plug for seal device, offer working interface on body cavity；Working interface includes lifting interface, decline and connect
Mouth, unlatching interface, down interface, each working interface are connected with each first sealing device respectively by gas circuit, three reversing valve cores
And a relief pressure valve cartridge is adapted to four stations corresponding to joystick respectively, and air control switch, gas control are fixed with valve body
Pneumatic mechanism both sides on switch are respectively communicated with inlet suction port in unlatching interface and down interface, air control switch by gas control passage
The tight mechanism two ends of top are connected by gas channels with each first sealing device respectively.
The present invention concrete structure be：
Reversing valve core, the relief pressure valve cartridge structure design preferred with the corresponding relation of each station are that described changes in the present invention
Opened to valve element lifting respectively with joystick, railway carriage or compartment door, railway carriage or compartment door closes three stations corresponding, relief pressure valve cartridge and joystick
Decline station it is corresponding
For ease of realizing the operation of joystick, it is easy to simplify the arrangement of each station, while meeting to valve body inner member
Protection, structure design preferably is, described valve body upper surface, which is set, manipulates lid, manipulate lid by its surface open up in cross
The positioning groove of type and be adapted to joystick bottom, position groove four end points correspond to respectively lifting, decline, railway carriage or compartment door is opened
Open, railway carriage or compartment door closes four stations.
For ease of realizing the positioning of joystick in operation, it is to avoid maloperation or the work caused by operating mode is unstable
Position switches by mistake, and structure design preferably is, in addition to a self-locking mechanism, and the self-locking mechanism includes resilient sleeve loaded on joystick
Grip, be opened in first positioning counterbore at positioning groove right-angled intersection position, the positioning groove end points that correspondence declines station is opened
Provided with the second positioning counterbore, the first positioning counterbore, the second positioning counterbore are adapted to grip lower end.
For ease of realizing control of the joystick to reversing valve core and relief pressure valve cartridge, while simplifying structure design, preferably
Technical implementation way is that reversing valve core and relief pressure valve cartridge control its axial displacement by being connected to the cam below joystick.
Because station is four, for the cross station manipulation of correspondence joystick, structure design preferably is that described is convex
Wheel selects cross cam.
Cam and the reversing valve core corresponding to each station, the driving of relief pressure valve cartridge preferably are realized, while being easy to control
Handle is controlled and is adapted to manipulating interior surface, and structure design preferably is that described cam is integrally spherical in shape, cam bottom
The cambered surface or spherical structure being adapted to for reversing valve core corresponding with each station and relief pressure valve cartridge.
Layout for ease of each working interface and pipeline is compacter, and structure design preferably is that described valve body is in disconnected
Face is the quadrangular structure of rectangular or square, declines interface, unlatching interface, down interface, lifting interface and is opened on four respectively
At valve body bottom surface drift angle between individual station.
The preferred structure design of air control switch is that described air control switch includes switching valve body, and switching valve body inner chamber is rank
In platform cavity, the stage cavity of the closure at the top of switching valve body, wherein pneumatic mechanism including closure lower surface from top to bottom
Provided with radially-outer surface respectively with the airtight gas piston being slidably matched of its inwall and switch plunger tip, the upper end and gas for switching plunger tip are lived
Plug inner chamber suit is slidably matched, and switch dome in-core chamber is hollow, the stage between its upper end open connection gas piston and switch plunger tip
Cavity, its lower ending opening is in switch plunger tip lower surface, and tight mechanism is to switch second be provided with the stage cavity below plunger tip
Sealing device, stage cavity bottom is provided with inlet suction port.
Gas channels and the preferred structure design of gas control passage are that gas channels include the first gas channels, the second gas circuit
Passage, wherein the stage cavity between first gas channels one end and switch plunger tip and the second sealing device is connected, the first gas circuit
The passage other end with lifting, decline station corresponding to first sealing device inner chamber connect, the second gas channels one end open in
In the stage cavity of second sealing device bottom, the first sealing corresponding with opening, closing station of the second gas channels other end
Device inner chamber is connected；Gas control passage includes the first gas control passage, the second gas control passage, wherein the first gas control passage end is opened on
In stage cavity above gas piston, the first gas control passage other end is with opening orifice, the second gas control passage end opening
In in the annular seal space that switch plunger tip and stage cavity are formed, the second gas control passage other end is connected with down interface.
The substantive distinguishing features and the notable technological progress of acquirement that the present invention possesses are：
1st, the present invention uses air control switch, effectively realizes the cut-out to compressed gas source under the door closure state of railway carriage or compartment, so that
Fundamentally avoid because maloperation is to the potential safety hazard caused by human pilot, maintenance personal.
2nd, the present invention uses multi-channel control form, and integrated multiple control air valve functions are integrated, and make the structure of control air valve
It is compacter, the requirement to installing space and position is reduced, installs more convenient, quick, the structure design of monolever is effective
Reduce the risk for controlling air valve to damage caused by the factors such as driver's false hit, clothing or other article scratchings.
3rd, using the control mode of right-angled intersection formula, accuracy that is easier and improving operation is manipulated, is effectively reduced
Because operation easily causes the possibility of selection mistake in the same direction.
4th, section is used for the four prism type valve body of rectangular or square, and auxiliary process hole and the interval of each station are symmetrical
Layout, be easy to process and simplify gas channels while, rational and efficient use space, layout is compacter.
Brief description of the drawings
The accompanying drawing of the present invention has：
Fig. 1 is the outline drawing of the present invention.
Fig. 2 is Fig. 1 A-A direction views.
Fig. 3 is Fig. 2 B-B direction view.
Fig. 4 is Fig. 2 C-C direction views.
Fig. 5 is Fig. 2 D-D direction views.
Fig. 6 is Fig. 1 upward view.
Reference in accompanying drawing is as follows：
1st, groove is positioned；2nd, soket head cap screw；3rd, joystick；4th, grip；5th, the first positioning counterbore；6th, the second positioning is heavy
Hole；7th, lid is manipulated；8th, relief pressure valve cartridge；9th, block；10th, valve body；11st, first sealing device；12nd, cam；13rd, switching valve body；14、
Gas piston；15th, plunger tip is switched；16th, the first gas channels；17th, the second sealing device；18th, inlet suction port；19th, steam vent；20、
Reversing valve core；21st, the second gas channels；22nd, the first gas control passage；23rd, the second gas control passage；24th, interface is declined；25th, open
Interface；26th, down interface；27th, interface is lifted.
Embodiment
Embodiments of the invention are described further below in conjunction with accompanying drawing, but not as a limitation of the invention, this hair
Bright protection domain is defined by the content that claim is recorded, and any equivalent technical elements according to made by specification are replaced,
All without departing from protection scope of the present invention.
The overall technology construction of the present embodiment as shown, including valve body 10, the inlet suction port 18 being opened on valve body 10 and
Steam vent 19, it is axially arranged and be spaced reversing valve core 20, the decompression for controlling axial displacement in the valve body 10 by joystick 3
Valve element 8, reversing valve core 20, relief pressure valve cartridge 8 are respectively arranged below with the first plug for seal device 11, and valve body 10 offers work on inner chamber
Make interface；Working interface includes lifting interface 27, declines interface 24, opens interface 25, down interface 26, and each working interface passes through
Gas circuit is connected with each first sealing device 11 respectively, three reversing valve cores 20 and a relief pressure valve cartridge 8 respectively with the institute of joystick 3
Corresponding four stations adaptation, the pneumatic motor on air control switch, air control switch is fixed with valve body 10 by soket head cap screw 2
Structure both sides are respectively communicated with the gas of the top of inlet suction port 18 in unlatching interface 25 and down interface 26, air control switch by gas control passage
Close mechanism two ends are connected by gas channels with each first sealing device 11 respectively.
It is relative that the lifting respectively with joystick 3 of described reversing valve core 20, railway carriage or compartment door are opened, railway carriage or compartment door closes three stations
Should, relief pressure valve cartridge 8 is corresponding with the decline station of joystick 3
The described upper surface of valve body 10, which is set, manipulates lid 7, manipulates lid 7 and is led to by what its surface was opened up in cross positioning
Groove 1 and be adapted to the bottom of joystick 3, position groove 1 four end points correspond to respectively lifting, decline, railway carriage or compartment door is opened, railway carriage or compartment Men Guan
Close four stations.
Also include a self-locking mechanism, the self-locking mechanism includes resilient sleeve loaded on the grip 4 on joystick 3, and it is fixed to be opened in
First positioning counterbore 5 at the position right-angled intersection position of groove 1, the end points of positioning groove 1 that correspondence declines station offers the second positioning
Counterbore 6, the first positioning counterbore 5, the second positioning counterbore 6 are adapted to the lower end of grip 4.
Reversing valve core 20 and relief pressure valve cartridge 8 control its axial displacement, institute by being connected to the cam 12 of the lower section of joystick 3
The cam 12 stated selects cross cam.
Described cam 12 is overall spherical in shape, and its top is adapted to manipulating the inner surface sphere of lid 7, the bottom of cam 12 for it is each
Cambered surface or spherical structure that the corresponding reversing valve core 20 of station and relief pressure valve cartridge 8 are adapted to.
Described valve body 10 declines interface 24, opens interface 25, closes in the quadrangular structure that section is rectangular or square
Interface 26, lifting interface 27 is closed to be opened on respectively at the bottom surface drift angle of valve body 10 between four stations.
Described air control switch includes switching valve body 13, and the inner chamber of switching valve body 13 is stage cavity, located at switching valve body 13
The closure 9 at top, wherein pneumatic mechanism include from top to bottom provided with radially-outer surface distinguishing in the stage cavity of 9 lower surfaces of closure
With the airtight gas piston 14 being slidably matched of its inwall and switch plunger tip 15, the upper end and the inner chamber of gas piston 14 for switching plunger tip 15 are set with
It is slidably matched, switch plunger tip 15 inner chamber is hollow, the stage cavity between its upper end open connection gas piston 14 and switch plunger tip 15,
Its lower ending opening is in switch plunger tip 15 lower surface, and it is second close that tight mechanism is provided with the stage cavity for the lower section of switch plunger tip 15
Seal apparatus 17, stage cavity bottom is provided with inlet suction port 18.
Gas channels include the first gas channels 16, the second gas channels 21, wherein the one end of the first gas channels 16 is with opening
Close the stage cavity connection between the sealing device 17 of plunger tip 15 and second, the other end of the first gas channels 16 and lifting, decline work
The inner chamber of first sealing device 11 connection corresponding to position, the one end open of the second gas channels 21 is in the bottom of the second sealing device 17
In stage cavity, the other end of the second gas channels 21 inner chamber of first sealing device 11 corresponding with opening, closing station is connected；
Gas control passage includes the first gas control passage 22, the second gas control passage 23, wherein the one end open of the first gas control passage 22 is in gas piston
In the stage cavity of 14 tops, the other end of the first gas control passage 22 is connected with opening interface 25, and the one end of the second gas control passage 23 is opened
Mouth is in the annular seal space that switch plunger tip 15 and stage cavity are formed, and the other end of the second gas control passage 23 connects with down interface 26
It is logical.
The course of work of the present embodiment is described as follows according to station below：
1st, railway carriage or compartment door is opened
When promoting joystick 3 to railway carriage or compartment door to open station, under the effect of cam 12, reversing valve core 20 corresponding with the station
Move down, corresponding first sealing device is opened on top, and compressed air is entered by inlet suction port 18, and pass sequentially through the second gas circuit and lead to
Road 21, the inner chamber of first sealing device 11, gas circuit enter the unlatching interface 25 control railway carriage or compartment door corresponding with railway carriage or compartment door unlatching station and opened
Open；Compressed air is entered in the stage vestibule on the top of gas piston 14 through the first gas control passage 22 and promoted under gas piston 14 simultaneously
Move, drive switch plunger tip 15 to move down top and drive the second sealing device 17；Compressed air passes through the step hole on the second sealing device 17
Chamber enters in the stage vestibule between gas piston 14 and switch plunger tip 15 through switching plunger tip 15 inner chamber, switch plunger tip 15 is formed to
Lower active force, the work for making switch plunger tip 15 keep top to drive the second sealing device 17 in the case where losing the active force of gas piston 14
State, the first gas channels 16 are turned on inlet suction port 18, and compressed air enters to be sealed with lifting, decline station corresponding first
The inner chamber of device 11.
2nd, carriage lifting
When promotion joystick 3 to carriage lifting station, under the effect of cam 12, reversing valve core 20 corresponding with the station
Move down, corresponding first sealing device 11 is opened on top, and compressed air passes sequentially through the first gas by entering through inlet suction port 18
Paths 16, the inner chamber of first sealing device 11, gas circuit enter the lifting interface 27 control car corresponding with carriage lifting station
Railway carriage or compartment is lifted.
3rd, compartment declines
When promoting joystick 3 to compartment to decline station, under the effect of cam 12, relief pressure valve cartridge 8 corresponding with the station
Move down, corresponding first sealing device 11 is opened on top, and compressed air passes sequentially through the first gas by entering through inlet suction port 18
Paths 16, the inner chamber of first sealing device 11, gas circuit enter the decline interface 24 control car corresponding with carriage lifting station
Railway carriage or compartment is lifted.
4th, railway carriage or compartment door is closed
When promoting joystick 3 to railway carriage or compartment door to close station, under the effect of cam 12, reversing valve core 20 corresponding with the station
Move down, corresponding first sealing device 11 is opened on top, and compressed air passes sequentially through the second gas by entering through inlet suction port 18
Paths 21, the inner chamber of first sealing device 11, gas circuit enter the down interface 26 corresponding with railway carriage or compartment door closing station and control railway carriage or compartment
Door is closed；Compressed air is entered in the annular seal space between switch plunger tip 15 and stage vestibule through the second gas control passage 23 simultaneously,
Pull switch plunger tip 15 is moved up, and the second sealing device 17 loses the ejection effect rear enclosed of switch plunger tip 15, makes lifting, declines work
The corresponding inner chamber of first sealing device 11 in position is disconnected with compressed gas source, even if now because maloperation promotion joystick 3 to
Carriage lifting declines station, and corresponding carriage lifting can not be also completed because losing source of the gas or declines control function, so that
Realize the effect of security protection.
Claims (10)
1. multi-channel control air valve, including valve body (10), are opened in inlet suction port (18) and steam vent (19) on valve body (10), axle
Reversing valve core (20), the relief pressure valve cartridge of axial displacement are controlled in the valve body (10) by joystick (3) to setting and being spaced
(8), reversing valve core (20), relief pressure valve cartridge (8) are respectively arranged below with the first plug for seal device (11), valve body (10) inner chamber and opened
Provided with working interface；It is characterized in that working interface includes lifting interface (27), declines interface (24), open interface (25), close
Close interface (26), each working interface is connected with each first sealing device (11) respectively by gas circuit, three reversing valve cores (20) and
One relief pressure valve cartridge (8) is adapted to four stations corresponding to joystick (3) respectively, and being fixed with gas control on valve body (10) opens
Close, the pneumatic mechanism both sides on air control switch are respectively communicated with unlatching interface (25) and down interface (26), gas by gas control passage
Tight mechanism two ends in control switch above inlet suction port (18) are connected by gas channels and each first sealing device (11) respectively
It is logical.
2. multi-channel control air valve according to claim 1, it is characterised in that described reversing valve core (20) respectively with control
The lifting of handle (3), railway carriage or compartment door are opened, railway carriage or compartment door three stations of closing are corresponding, the decline of relief pressure valve cartridge (8) and joystick (3)
Station is corresponding.
3. multi-channel control air valve according to claim 1, it is characterised in that described valve body (10) upper surface, which is set, to be manipulated
Cover (7), manipulate lid (7) by its surface open up in cross positioning groove (1) and be adapted to joystick (3) bottom,
Four end points for positioning groove (1) correspond to lifting, decline respectively, railway carriage or compartment door is opened, railway carriage or compartment door closes four stations.
4. multi-channel control air valve according to claim 3, it is characterised in that also including a self-locking mechanism, the self-locking mechanism bag
Resilient sleeve is included loaded on the grip (4) on joystick (3), the first positioning for being opened in positioning groove (1) right-angled intersection position is heavy
Hole (5), positioning groove (1) end points that correspondence declines station offers the second positioning counterbore (6), the first positioning counterbore (5), second
Positioning counterbore (6) is adapted to grip (4) lower end.
5. the multi-channel control air valve according to any one of claim 1-4, it is characterised in that reversing valve core (20) and decompression
Valve element (8) controls its axial displacement by being connected to the cam (12) below joystick (3).
6. multi-channel control air valve according to claim 5, it is characterised in that described cam (12) selects cross cam.
7. multi-channel control air valve according to claim 5, it is characterised in that overall spherical in shape, the cam of described cam (12)
(12) bottom is the cambered surface or spherical structure that reversing valve core (20) corresponding with each station and relief pressure valve cartridge (8) are adapted to.
8. multi-channel control air valve according to claim 1, it is characterised in that described valve body (10) in section be rectangle or
The quadrangular structure of square, declines interface (24), unlatching interface (25), down interface (26), lifting interface (27) and opens respectively
Mouth is at valve body (10) bottom surface drift angle between four stations.
9. multi-channel control air valve according to claim 1, it is characterised in that described air control switch includes switching valve body
(13), switching valve body (13) inner chamber is stage cavity, the wherein closure (9) at the top of switching valve body (13), pneumatic mechanism bag
Include in the stage cavity of closure (9) lower surface from top to bottom provided with radially-outer surface respectively with the airtight gas being slidably matched of its inwall
Piston (14) and switch plunger tip (15), upper end and gas piston (14) inner chamber suit of switch plunger tip (15) are slidably matched, switch dome
Core (15) inner chamber is hollow, the stage cavity between its upper end open connection gas piston (14) and switch plunger tip (15), and its lower end is opened
Mouthful in switch plunger tip (15) lower surface, wherein tight mechanism is second close for what is be provided with the stage cavity below switch plunger tip (15)
Seal apparatus (17), stage cavity bottom is provided with inlet suction port (18).
10. multi-channel control air valve according to claim 9, it is characterised in that gas channels include the first gas channels
(16), the second gas channels (21), wherein the first gas channels (16) one end and switch plunger tip (15) and the second sealing device
(17) the stage cavity connection between, the first gas channels (16) other end and the first sealing corresponding to lifting, decline station
Device (11) inner chamber connect, the second gas channels (21) one end open in the stage cavity of the second sealing device (17) bottom,
Second gas channels (21) other end first sealing device (11) inner chamber corresponding with opening, closing station is connected；Gas control passage
Including the first gas control passage (22), the second gas control passage (23), wherein the first gas control passage (22) one end open is in gas piston
(14) in the stage cavity above, first gas control passage (22) other end is connected with opening interface (25), the second gas control passage
(23) one end open is in the annular seal space that switch plunger tip (15) is formed with stage cavity, second gas control passage (23) other end with
Down interface (26) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510957418.6A CN105402443B (en) | 2015-12-18 | 2015-12-18 | Multi-channel control air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510957418.6A CN105402443B (en) | 2015-12-18 | 2015-12-18 | Multi-channel control air valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105402443A CN105402443A (en) | 2016-03-16 |
| CN105402443B true CN105402443B (en) | 2017-07-28 |
Family
ID=55468108
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510957418.6A Active CN105402443B (en) | 2015-12-18 | 2015-12-18 | Multi-channel control air valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN105402443B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895412A (en) * | 2016-05-11 | 2016-08-24 | 陈功 | Industrial automobile switch |
| CN105864461B (en) * | 2016-05-22 | 2018-03-27 | 河北睿智辰诚液压机械科技有限公司 | Improved slow drop control air valve |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4404991A (en) * | 1982-09-29 | 1983-09-20 | Donahue Enterprises, Inc. | Valve control assembly |
| CN2241243Y (en) * | 1995-11-27 | 1996-11-27 | 青岛专用汽车制造厂 | Control air valve |
| JP3337121B2 (en) * | 1997-05-22 | 2002-10-21 | 川崎重工業株式会社 | Pilot valve |
| CN101303088B (en) * | 2008-06-10 | 2011-01-19 | 浙江苏强格液压有限公司 | Handle pilot valve |
| CN101319729B (en) * | 2008-07-02 | 2012-02-15 | 浙江苏强格液压股份有限公司 | Variable pin pilot valve |
| CN201318477Y (en) * | 2008-10-24 | 2009-09-30 | 柯寿乾 | Three-position four-way manual valve |
| CN101532527B (en) * | 2009-04-22 | 2011-04-13 | 黄培华 | Pressure-regulating control air valve |
| CN205207776U (en) * | 2015-12-18 | 2016-05-04 | 黄培华 | Multichannel control gas valve |
-
2015
- 2015-12-18 CN CN201510957418.6A patent/CN105402443B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105402443A (en) | 2016-03-16 |
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Effective date of registration: 20170612 Address after: 054901 Xingtai city of Hebei province Linxi County Xiang Lao Guan Zhuang Cun black Applicant after: Hebei Huachun Hydraulic Auto Parts Co. Ltd. Address before: Xingtai City, Hebei Province, Hexi Town, 054901 west of Linxi County, 2 kilometers south of Hebei Hua Chun Hydraulic Auto Parts Co. Ltd. Applicant before: Huang Peihua |
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