CN206309953U - A kind of electronic direction valve - Google Patents
A kind of electronic direction valve Download PDFInfo
- Publication number
- CN206309953U CN206309953U CN201621471389.9U CN201621471389U CN206309953U CN 206309953 U CN206309953 U CN 206309953U CN 201621471389 U CN201621471389 U CN 201621471389U CN 206309953 U CN206309953 U CN 206309953U
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- valve
- main
- valve body
- piston
- hole
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Abstract
A kind of electronic direction valve, including electromagnet assembly and valve member, valve member include valve body, main valve and pilot valve, it is characterised in that：Valve body is provided with the epicoele for installing pilot valve, pilot valve includes piston component and dividing plate, dividing plate is provided with first through hole, in the up and down lower half chamber installed in epicoele of piston component, electromagnet assembly is connected for the first through hole for driving piston component to open and close dividing plate with piston component, one end of guide's air intake duct is connected with main air intake, the other end is connected with the lower half chamber of epicoele, the cavity of resorption for installing main valve plug is provided with valve body, the part that cavity of resorption is located on main valve plug is pressure storing cavity, one end of guide's gas off-take is connected with the upper half chamber of epicoele, the other end is connected with the pressure storing cavity of cavity of resorption, lifting surface area of the cross-sectional area of pressure storing cavity more than main valve plug lower surface.The electronic direction valve main valve cored structure is relatively simple, processing and maintenance difficulty are reduced.
Description
Technical field
The utility model is related to valve technology field, and in particular to a kind of electronic direction valve.
Background technology
The Chinese utility model patent application of Publication No. CN102359600A discloses a kind of electronic direction valve, its structure
As shown in figure 1, include valve body 3a, main valve and pilot valve including electromagnet assembly 1a and valve member 2a, the valve member 2a,
The main valve includes that the main airway being arranged in valve body 3a and up and down being installed in valve body 3a mounting holes 7a are used to open and close master
The main valve plug 8a of air flue, the main airway includes main air intake 9a and main gas off-take 10a, and the pilot valve includes being located at valve body 3a
Guide's gas off-take 12a and be installed on that the interior guide's air intake duct 11a communicated with main air intake 9a is communicated with main gas off-take 10a
The pilot valve 13a for controlling both break-makes between guide's air intake duct 11a and guide's gas off-take 12a, guide's air inlet
Road 11a is the air gap between main valve plug 8a outer peripheral faces and mounting hole 7a inwalls, and the air gap is in air-flow by the horizontal stroke on direction
Sectional area is located at guide's air intake duct 11a and guide's outlet less than the cross-sectional area of guide's gas off-take 12 in the valve body 3a
It is connection pressure storing cavity 14a and the main outlet in main valve plug 8a that pressure storing cavity 14a, guide's gas off-take 12a are provided between road 12a
The through hole of road 10a, the pilot valve 13a is up and down to be installed in pressure storing cavity 14a, one end of the pilot valve 13a
With electromagnet assembly 1a drive connections, import of the other end with the through hole on main valve plug 8a is opened and closed by sealing structure matches somebody with somebody
Close.When the coil no power of electromagnet assembly 1a, descending promotion pilot valve 13a closes insertion to armature under the action of the spring
Valve port of the hole on main valve plug 8a, makes the downward with joint efforts of the active force being subject on main valve plug 8a, remains off；Work as electromagnet
During the coil electricity of component 1a, coil obtains electric generation suction suction moving armature and pilot valve 13a is driven after the elastic force for overcoming spring
Up, the through hole in main valve plug 8a is opened, the active force of the atmospheric pressure being subject on main valve plug 8a upper and lower end faces make a concerted effort
Axially upwards, so as to promote the up opening main airways of main valve plug 8a.
But there is following technical problem in existing electronic direction valve：Due to by guide's air intake duct 11a and guide's gas off-take
12a is arranged on main valve plug 8a, causes main valve plug 8a structures excessively complicated；But also to meet outside main valve plug 8a in design
Air gap between side face and mounting hole 7a inwalls is transversal less than guide's gas off-take 12a by the cross-sectional area on direction in air-flow
Area so that difficulty of processing is higher；In addition main valve structure and guide's valve arrangement not only stand, and also increase the difficulty of maintenance.
Utility model content
The technical problems to be solved in the utility model is：There is provided a kind of relatively simple main valve cored structure, processing and maintenance difficult
The electronic direction valve that degree is reduced.
Technical solution of the present utility model is：A kind of electronic direction valve, including electromagnet assembly and valve member, institute
The pilot valve that valve member drives including valve body, main valve and by electromagnet assembly is stated, the main valve includes being arranged in valve body
Main air intake, main gas off-take and main valve plug, the pilot valve include guide's air intake duct, guide's gas off-take and pilot valve, and it is special
Levy and be：The valve body is provided with the epicoele for installing pilot valve, the pilot valve include piston component and for by
Chamber is divided into the dividing plate of upper half chamber and lower half chamber, the dividing plate be provided with for connect upper half chamber and lower half chamber
One through hole, the piston component is up and down in lower half chamber, and the electromagnet assembly is connected with piston component
For driving piston component to open and close the first through hole of dividing plate, one end of guide's air intake duct is connected with main air intake, another
End is connected with the lower half chamber of epicoele, and the cavity of resorption for installing main valve plug is provided with the valve body, and the cavity of resorption is located at main valve
Part on core is pressure storing cavity, and one end of guide's gas off-take is connected with the upper half chamber of epicoele, the other end and cavity of resorption
Pressure storing cavity be connected, the cross-sectional area of the pressure storing cavity more than main valve plug lower surface lifting surface area, in pilot valve
The pressure for making pressure storing cavity act on main valve plug upper surface during opening acts on the pressure of main valve plug lower surface more than main air intake.
After said structure, the utility model has advantages below：
Guide's inlet channel and outlet passageway of the electronic direction valve of the utility model are not disposed on main valve plug, therefore main
Valve core structure is relatively simple, difficulty of processing reduction, and the structure of pilot valve and the structure of main valve are separate, so as to also cause
Maintenance difficulty reduction, in addition, without external drive source of the gas, but uses the source of the gas of itself, using the cross section of pressure storing cavity
Product is more than the lifting surface area of main valve plug lower surface, and makes main valve plug make what is be subject to make a concerted effort downward and opened after pilot valve opening
Open.
Preferably, the valve body includes the first valve body and the second valve body, bottom and first valve body of second valve body
Top detachable hermetic be connected, be provided with the top of first valve body for installing the first of main valve plug the axial mounting hole, institute
State and be provided with the top of the second valve body for installing the second of pilot valve the axially mounted hole.The setting is by main valve plug and pilot valve
It is separately mounted in different valve bodies, and two valve bodies are removable, therefore during parts damages in one of valve body, only needs to change
Corresponding part, and without all changing, maintenance is more convenient, and reduce waste.
Preferably, being provided with adapter sleeve at the top of second valve body, the side of the adapter sleeve is used for second axially
Epicoele is formed between mounting hole, opposite side is used for and the removable connection of electromagnet assembly.Not only make the shape of epicoele using adapter sleeve
Into simple, and make the second valve body and the removable connection of electromagnet assembly, maintenance is more convenient.
Preferably, the bottom of second valve body is provided with groove, for being connected with the first valve body after form cavity of resorption and storage
Pressure chamber.The setting can make the formation of cavity of resorption and pressure storing cavity simple.
Preferably, the piston component includes piston, piston rod and compression spring, the piston is up and down to be arranged on
In the mounting hole of dividing plate, one end and the bottom surface of lower half chamber of the compression spring offset, the other end can by piston be pressed on every
At the first through hole of plate, one end of the piston rod is connected with piston, and the other end is located in the first through hole and adapter sleeve of dividing plate
The second through hole in, the armature of the electromagnet assembly be provided with piston rod can be driven to move down push rod be used for drive piston to open
Sealed between the inwall of the first through hole of dividing plate, the piston rod and the second through hole.The setting causes electromagnet assembly and piston
Between attachment structure it is simple and reliable, and piston reliable reset in the presence of compression spring can be enable.
Preferably, guide's air intake duct is arranged on outside valve body, one end of guide's air intake duct extend into the first valve
It is connected with main air intake in vivo, the other end extend into the second valve body and is connected with lower half chamber.Guide's air intake duct sets
Putting makes overall structure simple, and main valve and guide's valve arrangement can be made relatively independent, and main valve structure simplifies, and maintenance is more convenient, reliability
It is higher.
Brief description of the drawings：
Fig. 1 is the structural representation of existing electronic direction valve；
Fig. 2 is the structural representation of the electronic direction valve of the utility model；
In prior art diagram：1a- electromagnet assemblies, 2a- valve members, 3a- valve bodies, 7a- mounting holes, 8a- main valve plugs,
9a- main air intakes, the main gas off-takes of 10a-, 11a- guide's air intake duct, 12a- guide's gas off-take, 13a- pilot valves, 14a- storage pressures
Chamber；
In the utility model figure：1- electromagnet assemblies, 2- valve members, 3- valve bodies, 6- main air intakes, the main gas off-takes of 7-,
8- main valve plugs, 9- guide's air intake duct, 10- guide's gas off-take, 11- pilot valves, 12- epicoeles, 14- dividing plates, 15- upper half chambers,
16- lower half chambers, 17- first through hole, 18- cavity of resorptions, 19- pressure storing cavities, the valve bodies of 20- first, the valve bodies of 21- second, 22- first is axially
Mounting hole, the axially mounted holes of 23- second, 24- adapter sleeves, 25- grooves, 26- pistons, 27- piston rods, 28- compression springs, 29-
Second through hole, 30- push rods.
Specific embodiment
Below in conjunction with the accompanying drawings, and in conjunction with the embodiments the utility model is described further.
Embodiment：
As shown in Fig. 2 a kind of electronic direction valve, including electromagnet assembly 1 and valve member 2, the valve member 2 includes
Valve body 3, main valve and the pilot valve driven by electromagnet assembly 1, the electromagnet assembly 1 be prior art, including cylindrical central sleeve,
Coil and armature, the main valve include the main air intake 6, main gas off-take 7 and the main valve plug 8 that are arranged in valve body 3, the main valve plug
8 use prior art, and the pilot valve includes guide's air intake duct 9, guide's gas off-take 10 and pilot valve 11, the valve body
3 are provided with the epicoele 12 for installing pilot valve 11, and the pilot valve 11 includes the component 13 of piston 26 and for by epicoele 12
The dividing plate 14 of upper half chamber 15 and lower half chamber 16 is divided into, the dividing plate 14 is provided with for connecting upper half chamber 15 and lower half
The first through hole 17 of chamber 16, the component 13 of the piston 26 is up and down in lower half chamber 16, the electromagnet assembly 1
It is connected for the first through hole 17 for driving 26 component of piston 13 to open and close dividing plate 14, guide's air inlet with the component 13 of piston 26
The one end in road 9 is connected with main air intake 6, and the other end is connected with the lower half chamber 16 of epicoele 12, and use is provided with the valve body 3
In the cavity of resorption 18 for installing main valve plug 8, the part that the cavity of resorption 18 is located on main valve plug 8 is pressure storing cavity 19, guide's outlet
The one end in road 10 is connected with the upper half chamber 15 of epicoele 12, and the other end is connected with the pressure storing cavity 19 of cavity of resorption 18, the storage pressure
The cross-sectional area in chamber 19 is more than the lifting surface area of the lower surface of main valve plug 8, for making pressure storing cavity 19 when pilot valve 11 is opened
Pressure used in the upper surface of main valve plug 8 acts on the pressure of the lower surface of main valve plug 8 more than main air intake 6.
Guide's inlet channel and outlet passageway of the electronic direction valve of the utility model are not disposed on main valve plug 8, therefore
The structure of main valve plug 8 is relatively simple, difficulty of processing reduction, and the structure of pilot valve and the structure of main valve are separate, so that
So that maintenance difficulty reduction, in addition, without external drive source of the gas, but uses the source of the gas of itself, using pressure storing cavity 19
Cross-sectional area is more than the lifting surface area of the lower surface of main valve plug 8, and makes main valve plug 8 make what is be subject to make a concerted effort after the opening of pilot valve 11
It is unlocked downwards.
Preferably, the valve body 3 includes the first valve body 20 and the second valve body 21, the bottom of second valve body 21 and the
The top detachable hermetic of one valve body 20 is connected, and the top of first valve body 20 is provided with the first axle for installing main valve plug 8
To mounting hole 22, the top of second valve body 21 is provided with for installing the second of pilot valve 11 the axially mounted hole 23.This sets
Put and main valve plug 8 and pilot valve 11 are separately mounted in different valve bodies 3, and two valve bodies 3 are removable, therefore one of valve
During parts damages in body 3, corresponding part need to be only changed, and without all changing, maintenance is more convenient, and reduce wave
Take.
Preferably, the top of second valve body 21 is provided with adapter sleeve 24, the side of the adapter sleeve 24 is used for and the
Epicoele 12 is formed between two axially mounted holes, opposite side is used for and the removable connection of electromagnet assembly.Using adapter sleeve 24 not only
Make the formation of epicoele 12 simple, and make the second valve body 21 and the removable connection of electromagnet assembly, maintenance is more convenient.
Preferably, the bottom of second valve body 21 is provided with groove 25, for being connected with the first valve body 20 after formed under
Chamber 18 and pressure storing cavity 19.The setting can make the formation of cavity of resorption 18 and pressure storing cavity 19 simple.
Preferably, the component 13 of the piston 26 includes piston 26, piston rod 27 and compression spring 28, on the piston 26
Under be movably arranged in the mounting hole of dividing plate 14, one end and the bottom surface of lower half chamber 16 of the compression spring 28 offset, another
Can be pressed on piston 26 at the first through hole 17 of dividing plate 14 by end, and one end of the piston rod 27 is connected with piston 26, the other end
It is located in the second through hole 29 of the first through hole 17 of dividing plate 14 and adapter sleeve 24, the armature of the electromagnet assembly is provided with can
Driving the push rod 30 that moves down of piston rod 27 is used for the first through hole 17 for driving piston 26 to open dividing plate 14, the piston rod 27 and the
Sealed between the inwall of two through holes 29.The setting causes that the attachment structure between electromagnet assembly and piston 26 is simple and reliable, and
And the reliable reset in the presence of compression spring 28 of piston 26 can be enable.
Preferably, guide's air intake duct 9 is arranged on outside valve body 3, one end of guide's air intake duct 9 extend into first
It is connected with main air intake 6 in valve body 20, the other end extend into the second valve body 21 and is connected with lower half chamber 16.The guide enters
The setting of air flue 9 makes overall structure simple, and main valve and guide's valve arrangement can be made relatively independent, and main valve structure simplifies, and repairs more square
Just, reliability is higher.
Utility model works process is as follows：
When the coil no power of electromagnet assembly 1, push rod 30 on armature not with the piston rod 27 of the component 13 of piston 26
Contact, piston 26 withstands the first through hole 17 of dividing plate 14 upwards in the presence of compression spring 28, i.e. pilot valve 11 is closed, on
Half chamber 15 and lower half chamber 16 are obstructed, and the gas that guide's air intake duct 9 is come in cannot enter pressure storing cavity 19 by pilot valve 11,
So as to gas cannot be stored in pressure storing cavity 19, therefore pressure storing cavity 19 is set to act on the pressure on the upper surface of main valve plug 8 less than master
Air intake duct 6 acts on the pressure on the lower surface of main valve plug 8 so that main valve plug 8 be subject to make a concerted effort axially upwards so that main valve
Core 8 is closed, and main gas off-take 7 and main air intake 6 are obstructed；When the coil electricity of electromagnet assembly 1, the push rod 30 on armature is downward
Withstand the piston rod 27 of the component 13 of piston 26, piston 26 to overcome and open the first of dividing plate 14 downwards in the presence of compression spring 28 and lead to
Hole 17, i.e. pilot valve 11 are opened, and upper half chamber 15 is connected with lower half chamber 16, and the gas come in by guide's air intake duct 9 is passed through
Pilot valve 11 in lower half chamber 16 enters upper half chamber 15, then is stored into pressure storing cavity 19, transversal due to pressure storing cavity 19
Area is more than the lifting surface area of the lower surface of main valve plug 8, therefore is more than the pressure that pressure storing cavity 19 is acted on the upper surface of main valve plug 8
Main air intake 6 acts on the pressure on the lower surface of main valve plug 8, so that main valve plug 8 making a concerted effort axially downwardly of being subject to, so that main
Valve element 8 is opened, and main gas off-take 7 is connected with main air intake 6.
Claims (6)
1. a kind of electronic direction valve, including electromagnet assembly (1) and valve member (2), the valve member (2) is including valve body
(3), main valve and the pilot valve driven by electromagnet assembly (1), the main valve include the main air intake being arranged in valve body (3)
(6), main gas off-take (7) and main valve plug (8), the pilot valve include guide's air intake duct (9), guide's gas off-take (10) and pilot valve
Core (11), it is characterised in that：The valve body (3) is provided with the epicoele (12) for installing pilot valve (11), the pilot valve
(11) dividing plate (14) including piston component and for epicoele (12) to be divided into upper half chamber (15) and lower half chamber (16), institute
State dividing plate (14) and be provided with first through hole (17) for connecting upper half chamber (15) and lower half chamber (16), the piston component
Up and down interior installed in lower half chamber (16), the electromagnet assembly (1) is connected for driving piston with piston component
Component opens and closes the first through hole (17) of dividing plate (14), and one end of guide's air intake duct (9) is connected with main air intake (6), separately
One end is connected with the lower half chamber (16) of epicoele (12), and the cavity of resorption for installing main valve plug (8) is provided with the valve body (3)
(18), part of the cavity of resorption (18) on main valve plug (8) is pressure storing cavity (19), one end of guide's gas off-take (10)
It is connected with the upper half chamber (15) of epicoele (12), the other end is connected with the pressure storing cavity (19) of cavity of resorption (18), the pressure storing cavity
(19) cross-sectional area is more than the lifting surface area of main valve plug (8) lower surface, for making pressure storing cavity when pilot valve (11) is opened
(19) pressure for acting on main valve plug (8) upper surface acts on the pressure of main valve plug (8) lower surface more than main air intake (6).
2. a kind of electronic direction valve according to claim 1, it is characterised in that：The valve body (3) includes the first valve body
(20) and the second valve body (21), the bottom of second valve body (21) is connected with the top detachable hermetic of the first valve body (20),
The first axial mounting hole (22) for installing main valve plug (8), second valve body are provided with the top of first valve body (20)
(21) it is provided with the top of for installing the second of pilot valve (11) the axially mounted hole (23).
3. a kind of electronic direction valve according to claim 2, it is characterised in that：It is provided with the top of second valve body (21)
Adapter sleeve (24), the side of the adapter sleeve (24) is used to form epicoele (12) between the second axially mounted hole (23), another
Side is used for and electromagnet assembly (1) removable connection.
4. a kind of electronic direction valve according to claim 2, it is characterised in that：The bottom of second valve body (21) is provided with
Groove (25), for being connected with the first valve body (20) after form cavity of resorption (18) and pressure storing cavity (19).
5. a kind of electronic direction valve according to claim 1, it is characterised in that：The piston component include piston (26),
Piston rod (27) and compression spring (28), the piston (26) are up and down in the mounting hole of dividing plate (14), the pressure
One end of contracting spring (28) is offseted with the bottom surface of lower half chamber (16), and piston (26) can be pressed on the other end the of dividing plate (14)
One through hole (17) place, one end of the piston rod (27) is connected with piston (26), the other end be located in dividing plate (14) first lead to
In second through hole (29) of hole (17) and adapter sleeve (24), the armature of the electromagnet assembly (1) is provided with and can drive piston rod
(27) push rod (30) for moving down for drive piston (26) open dividing plate (14) first through hole (17), the piston rod (27) with
Sealed between the inwall of the second through hole (29).
6. a kind of electronic direction valve according to claim 1, it is characterised in that：Guide's air intake duct (9) is arranged on valve
Outward, one end of guide's air intake duct (9) extend into the first valve body (20) and is connected with main air intake (6) body (3), the other end
It extend into the second valve body (21) and is connected with lower half chamber (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621471389.9U CN206309953U (en) | 2016-12-30 | 2016-12-30 | A kind of electronic direction valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621471389.9U CN206309953U (en) | 2016-12-30 | 2016-12-30 | A kind of electronic direction valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206309953U true CN206309953U (en) | 2017-07-07 |
Family
ID=59248165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621471389.9U Expired - Fee Related CN206309953U (en) | 2016-12-30 | 2016-12-30 | A kind of electronic direction valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206309953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704602A (en) * | 2016-12-30 | 2017-05-24 | 宁波三安制阀有限公司 | Electric directional valve |
-
2016
- 2016-12-30 CN CN201621471389.9U patent/CN206309953U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704602A (en) * | 2016-12-30 | 2017-05-24 | 宁波三安制阀有限公司 | Electric directional valve |
| CN106704602B (en) * | 2016-12-30 | 2023-02-14 | 宁波三安制阀有限公司 | Electric direction valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20211230 |