CN105650329B - Super-pressure big caliber electromagnetic valve - Google Patents
Super-pressure big caliber electromagnetic valve Download PDFInfo
- Publication number
- CN105650329B CN105650329B CN201610129458.6A CN201610129458A CN105650329B CN 105650329 B CN105650329 B CN 105650329B CN 201610129458 A CN201610129458 A CN 201610129458A CN 105650329 B CN105650329 B CN 105650329B
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- valve
- main valve
- main
- seat
- flap
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
Abstract
The present invention relates to a kind of super-pressure big caliber electromagnetic valve, including main valve body, main valve lid, middle cover and upper lid, the main valve body surrounds main valve chamber with main valve lid, vertical main valve clack guide sleeve is wherein installed with main valve lumen, main valve clack is connected with the inside of main valve clack guide sleeve, main valve seat is provided between main valve lumen and main valve cavity of resorption, the bottom of main valve clack offers main damping valve through hole, middle cover surrounds middle valve pocket with main valve lid, middle valve seat is provided between middle valve lumen and middle valve epicoele, it is middle flap below middle valve seat, upper lid and main valve lid surround secondary valve pocket, auxiliary-seat is provided between secondary valve lumen and secondary valve outlet chamber, the top of auxiliary-seat is provided with secondary flap.This magnetic valve good seal performance, convenient processing and assembling, it is desirable to driving force it is smaller, be particularly adapted to require the bigbore occasion of super-pressure.
Description
Technical field
The present invention relates to a kind of super-pressure big caliber electromagnetic valve.
Background technology
Existing high-pressure solenoid valve includes valve body, is provided with main valve chamber in the valve body, the main valve chamber is divided into main valve and entered
Oral cavity, main valve lumen and Main valve outlet chamber, a guide sleeve is installed in the main valve lumen, one is provided with the guide sleeve
The valve cup coordinated with guide sleeve axial movement, the lower surface of the valve cup are provided with main valve valve cup sealing surface, the guide sleeve
Lower section be the main valve seat in the main valve chamber, the main valve seat is provided with and together constituted with the main valve valve cup sealing surface
The main valve seat sealing surface of main valve sealing pair, the center of the main valve seat sealing surface are the masters for connecting Main valve outlet chamber and main valve lumen
Valve opening, the lower end of the guide sleeve is the same as leaving the spacing that passes through for medium, the side of the valve cup between the main valve seat sealing surface
Face bottom is communicated with the damping hole inside and outside valve cup, and the valve body is provided with bonnet, and the bonnet is fixedly mounted on the valve body master
The top of body portion, the top opening of valve body part is closed, support, the support and bonnet are provided with above the bonnet
Between be provided with secondary valve pocket, the secondary valve pocket is divided into secondary valve snout cavity, secondary valve lumen and secondary valve outlet chamber, the secondary valve import
Chamber connects with the main valve lumen, and the secondary valve outlet chamber connects with the Main valve outlet chamber, be provided with the support and its
The valve rod coordinated is moved axially, the lower end of valve rod connects or as secondary flap, set between the secondary valve outlet chamber and secondary valve lumen
There is auxiliary-seat, the auxiliary-seat is provided with auxiliary-seat sealing surface, and the center of the auxiliary-seat sealing surface is the secondary valve outlet chamber of connection
With the secondary valve opening of secondary valve lumen, the lower end of the valve rod is provided with the pair that secondary valve sealing pair is together constituted with the auxiliary-seat sealing surface
Valve clack sealing surface, is provided with the Electrical heads that the valve rod can be driven to move up and down on the support, during valve opening, Electrical heads
The band ovable valve stem that is powered moves up, and opens secondary valve sealing pair, main valve lumen is connected with Main valve outlet chamber through secondary valve pocket, in main valve
The pressure of chamber declines, and then valve cup is moved up in the presence of main valve inlet cavity pressure, opens main valve sealing pair, makes valve
In opening, when closing valve, Electrical heads power-off, valve rod moves down, closes secondary valve sealing pair, cut under spring force
The disconnected medium channel through secondary valve pocket, main valve inlet chamber medium gradually flow into the main valve above valve cup through the damping hole on valve cup
Lumen, the pressure above valve cup is gradually increased, until promoting valve cup to move down closes main valve sealing pair, be in valve and close
Closed state.This high-pressure solenoid valve defect is due to using upper dress formula valve cup structure so that sealing is connected between bonnet and valve body
Between bonnet flow-guiding channel and valve body flow-guiding channel connect sealing cannot concurrently reach requirements, the machining accuracy not required nothing more than with
Assembly precision is high, and after pressure medium rise to a certain extent, is easy to reveal, the pressure medium of adaptation is by certain
Limitation.In addition, when for large bore valves, because medium is big to the active force of sealing pair, it is necessary to which valve rod driving device carries
The smooth keying of valve can be realized for very big power, the power requirement to drive device is thereby increased, increases volume,
Increase power consumption.
The content of the invention
In order to overcome the drawbacks described above of prior art, the invention provides a kind of super-pressure big caliber electromagnetic valve, this electricity
Magnet valve good seal performance, advantageously reduce processing and assembling required precision, it is desirable to driving force it is relatively small, be suitable for higher
Pressure medium and bigger valve aperture.
The technical solution adopted in the present invention is:A kind of super-pressure big caliber electromagnetic valve, including main valve body, main valve lid, in
Lid and upper lid, the main valve body are provided with the main valve fluid chamber that center of top opens up installation opening, and the main valve lid is sealingly mounted at institute
State the upper end of main valve body and close the installation opening of the main valve fluid chamber, main valve chamber, the main valve are surrounded with the main valve body
The import and export of chamber respectively constitutes valve inlet and valve export, and the main valve chamber is divided into from valve inlet to valve export
Main valve inlet chamber, main valve lumen, main valve cavity of resorption and Main valve outlet chamber, vertical main valve clack is installed with the main valve lumen
Guide sleeve, the upper and lower ends of the main valve clack guide sleeve are open, the top of the main valve clack guide sleeve and the main valve lumen
Side wall connection, leave gap between bottom and the side wall of the main valve lumen, thus main valve lumen be divided into positioned at main valve
Epicoele and the cavity of resorption in the main valve on the outside of main valve clack guide sleeve in main valve on the inside of valve guide sleeve, in the main valve clack guide sleeve
Side is connected with main valve clack, and the madial wall gap of the lateral surface of the main valve clack and the main valve clack guide sleeve coordinates, described
The bottom outer surface of main valve clack is provided with main valve clack sealing surface directed downwardly, and main valve is provided between the main valve lumen and main valve cavity of resorption
Seat, the main valve clack are located at the top of the main valve seat, left between the lower end of the main valve clack guide sleeve and the main valve seat
Distance, the main valve seat are provided with the main valve seat sealing surface upward that main valve sealing can be formed with the main valve clack sealing surface,
The main valve seat sealing surface is among it the connection main valve cavity of resorption and the main valve hole of main valve lumen, the main valve clack in a ring
Bottom offer main damping valve through hole, the external port of the main damping valve through hole connects cavity of resorption in the main valve, and inner port connects
Lead to epicoele in the main valve, the main valve is covered with the main valve lid lower chambers that bottom center opens up installation opening, and the middle cover is located at
In the main valve body, it is sealingly mounted at the lower end of the main valve lid and closes the installation opening of the main valve lid lower chambers, with institute
State main valve lid and surround middle valve pocket, the middle valve pocket is divided into middle valve snout cavity, middle valve lumen, middle valve epicoele and middle valve outlet
Chamber, the middle cover are provided with opening up middle flap and are oriented to blind hole, and the middle flap is oriented to blind hole and is connected with middle flap,
The madial wall gap that the lateral surface of the middle flap is oriented to blind hole with the middle flap coordinates, the outer surface of cupular part of the middle flap
Provided with middle valve clack sealing surface upward, middle valve seat is provided between the middle valve lumen and middle valve epicoele, the middle valve seat is located at institute
The top of middle flap is stated, the middle valve seat is provided with the middle valve directed downwardly that middle valve sealing can be formed with the middle valve clack sealing surface
Seat sealing surface, the middle sealing surface of seat are among it the connection middle valve lumen and the middle valve opening of middle valve epicoele, institute in a ring
State flap and be oriented to the middle flap spring being additionally provided with blind hole below the middle flap, the middle valve lumen and the middle valve
Valve is communicated with both middle valve damp channels between being oriented to the bottom of blind hole, and the entrance point of the middle valve snout cavity is opened on institute
Epicoele in main valve is stated, the outlet side of the middle valve outlet chamber connects the Main valve outlet chamber, and the main valve is covered with center of top
The main valve for opening up installation opening covers chamber, and the upper lid is sealingly mounted at the upper end of the main valve lid and closes the main valve lid
The installation opening of upper chamber, secondary valve pocket is surrounded with the main valve lid, the secondary valve pocket be divided into secondary valve snout cavity, secondary valve lumen and
Secondary valve outlet chamber, the entrance point connection middle flap of the secondary valve snout cavity are oriented to the bottom of blind hole, the secondary valve outlet chamber
The port of export be opened on the middle valve epicoele, be provided with auxiliary-seat, the auxiliary-seat between the secondary valve lumen and secondary valve outlet chamber
Auxiliary-seat sealing surface upward is provided with, the auxiliary-seat sealing surface is among it the connection secondary valve lumen and pair in a ring
The secondary valve opening of valve outlet chamber, the upper lid are connected with the secondary flap that can be moved up and down, and the secondary flap is located at the pair
The top of valve seat, its bottom lower surface are provided with the secondary flap directed downwardly that secondary valve sealing can be formed with the auxiliary-seat sealing surface
Sealing surface.
Beneficial effects of the present invention are:Cooperated using main three-level sealing pair in pair, can be using secondary valve sealing pair as first
Lead, the opening and closing of valve are carried out with less driving force, the valve drive forces significantly reduced under high-pressure large-caliber will
Ask, advantageously reduce the power of drive device, reduce volume and reduce temperature rise, effectively expand accommodation;Using lower dress
Valve flap structure in formula, avoid dress formula structure flow-guiding channel and easily reveal shortcoming, overcome and three-level sealing pair is hindered in practice
Obstacle, makes it possible three-level sealing pair;Because valve outlet chamber goes out with main valve in being realized by independent water conservancy diversion connecting tube
Connection between oral cavity, make the separate of sealing between main valve lid and main valve body and middle valve outlet chamber and Main valve outlet chamber,
The defects of installation of main valve lid is difficult to meet two aspect seal requests simultaneously is overcome, reduces processing and the assembly precision of associated part
It is required that, hence it is evident that sealing effectiveness is improved, improves the voltage endurance capability of sealing, thus, the present invention can adapt in far beyond existing
The high pressure range and bore that similar high pressure valve is adapted under technology, and the reliability sealed is improved obviously, valve opening and closing
It is reliable, flexible, required driving force is obviously reduced.
Brief description of the drawings
Fig. 1 is diagrammatic cross-section of the present invention on main view direction;
Fig. 2 is the diagrammatic cross-section in side-looking direction corresponding with Fig. 1.
Embodiment
Referring to Fig. 1, super-pressure big caliber electromagnetic valve provided by the invention includes main valve body 11, main valve lid 12, the and of middle cover 34
Upper lid 85, the main valve body are provided with the main valve fluid chamber that center of top opens up installation opening, and the main valve lid is sealingly mounted at described
The upper end of main valve body and the installation opening for closing the main valve fluid chamber, main valve chamber, the main valve chamber are crossed with the main valve body
Import and export respectively constitute valve inlet and valve export, the main valve chamber is divided into leading from valve inlet to valve export
Valve snout cavity 51, main valve lumen, main valve cavity of resorption 54 and Main valve outlet chamber 55, when main valve sealing pair is opened, the main valve inlet
Chamber, main valve lumen, main valve cavity of resorption and Main valve outlet chamber are sequentially connected as a bar medium channel, fixed peace in the main valve lumen
Equipped with vertical main valve clack guide sleeve 26, the upper and lower ends of the main valve clack guide sleeve are open, the main valve clack guide sleeve
Top is connected with the side wall of the main valve lumen, gap is left between the side wall of bottom and the main valve lumen, thus by main valve
Lumen be divided into the main valve on the inside of main valve clack guide sleeve epicoele 53 and in the main valve on the outside of main valve clack guide sleeve under
Chamber 52, the main valve clack guide sleeve inner side are connected with main valve clack 21, and the lateral surface of the main valve clack is led with the main valve clack
Coordinate to the madial wall gap of set, leave allows both relative minim gaps moved up and down, the bottom of the main valve clack between the two
Portion outer surface is provided with main valve clack sealing surface directed downwardly, and main valve seat 23 is provided between the main valve lumen and main valve cavity of resorption, described
Main valve clack is located at the top of the main valve seat, and distance is left between the lower end of the main valve clack guide sleeve and the main valve seat, with
Avoid cutting off the connection in main valve in cavity of resorption and main valve between epicoele and main valve cavity of resorption, the main valve seat be provided with can with it is described
Main valve clack sealing surface forms the main valve seat sealing surface upward of main valve sealing, and the main valve seat sealing surface in a ring, is among it
The main valve hole of the main valve cavity of resorption and main valve lumen is connected, the bottom of the main valve clack offers main damping valve through hole 28, described
The external port of main damping valve through hole connects cavity of resorption in the main valve, and inner port connects epicoele in the main valve, so that main valve
Damping through hole is preferably arranged on bottom and the company of bottom and side wall in the side wall of the nearly bottom of main valve clack or on the outside of main valve clack sealing surface
Socket part, the main valve are covered with the main valve lid lower chambers that bottom center opens up installation opening, and the middle cover is located in the main valve body,
It is sealingly mounted at the lower end of the main valve lid and closes the installation opening of the main valve lid lower chambers, in is crossed with the main valve lid
Valve pocket, the middle valve pocket are divided into middle valve snout cavity 61, middle valve lumen 62, middle valve epicoele 65 and middle valve outlet chamber 66, work as master
When valve sealing pair is opened, the middle valve snout cavity, middle valve lumen, middle valve epicoele and middle valve outlet chamber are sequentially connected as a medium
Passage, the middle cover are provided with opening up middle flap and are oriented to blind hole, and the middle flap is oriented to blind hole and is connected with middle valve
Valve 31, the madial wall gap that the lateral surface of the middle flap is oriented to blind hole with the middle flap coordinate, the top of the middle flap
Outer surface is provided with middle valve clack sealing surface upward, and middle valve seat 33, the middle valve are provided between the middle valve lumen and middle valve epicoele
Seat is located at the top of the middle flap, and the middle valve seat is provided with the court that middle valve sealing can be formed with the middle valve clack sealing surface
Under middle sealing surface of seat, the middle sealing surface of seat in a ring, among it to connect the middle valve lumen and middle valve epicoele
Middle valve opening, the middle flap are oriented to the middle flap spring 36 being additionally provided with blind hole below the middle flap, in the middle valve
Chamber and the middle flap are communicated with both middle valve damp channels 68 between being oriented to the bottom of blind hole, due to the middle flap bottom
Face and middle flap leave spacing between being oriented to the bottom surface of blind hole, and space between the two can be described as middle valve bottom cavity 63, the chamber it is big
The small change in location with the middle flap and change, but the part below the middle flap stroke minimum point remains constant
(But existing chamber is middle valve bottom cavity bottom all the time for this part), the entrance point of the middle valve snout cavity is opened in the main valve
Epicoele, the outlet side of the middle valve outlet chamber connect the Main valve outlet chamber, and the main valve is covered with center of top and opens up assembling
The main valve of mouth covers chamber, and the upper lid, which is sealingly mounted at the upper end of the main valve lid and closes the main valve, covers chamber
Installation opening, secondary valve pocket is surrounded with the main valve lid, the secondary valve pocket is divided into secondary valve snout cavity 71, secondary valve lumen 72 and secondary valve
Outlet plenum 75, when secondary valve sealing pair is opened, the secondary valve snout cavity, secondary valve lumen and secondary valve outlet chamber are sequentially connected into one
Medium channel, the entrance point of the secondary valve snout cavity can be connected by the through hole 79 that the middle flap is oriented in the side wall of blind hole
The middle flap is oriented to the bottom of blind hole, can also realize this connection by other sealing passages, the secondary valve outlet chamber
The port of export is opened on the middle valve epicoele, and auxiliary-seat 43, the auxiliary-seat are provided between the secondary valve lumen and secondary valve outlet chamber
Auxiliary-seat sealing surface upward is provided with, the auxiliary-seat sealing surface is among it the connection secondary valve lumen and pair in a ring
The secondary valve opening of valve outlet chamber, the upper lid are connected with the secondary flap 41 that can be moved up and down, and the secondary flap is positioned at described
The top of auxiliary-seat, its bottom lower surface are provided with the secondary valve directed downwardly that secondary valve sealing can be formed with the auxiliary-seat sealing surface
Flap seal face, the secondary flap can be the independent part directly driven by drive device 80 or be connected to valve rod bottom
The part at end, or secondary flap is directly used as using valve rod bottom(Valve rod bottom is arranged to the construction of secondary flap), pass through driving
Device band ovable valve stem moves up and down, and the spacing structure that upper lid and/or main valve can be relied on to cover of the movement of the secondary flap, also may be used
With the drive device covered by main valve is arranged on, including the mobile limitation directly to secondary flap and/or the mobile limit to valve rod
System etc..
The entrance point and the port of export of the main valve body can be provided with connecting flange 16 or other are suitable to connect with pipeline
The device connect.
Preferably, the main valve seat, middle valve seat and auxiliary-seat are corresponding by being covered in the main valve body and main valve respectively
Built-up welding is formed on position, and the main valve seat sealing surface, middle sealing surface of seat and auxiliary-seat sealing surface are respectively in respective built-up welding valve
It is machined on seat, this built-up welding and machining can be carried out by the corresponding installation opening of each chamber, from there through the present invention's
Above-mentioned construction, it is very easy to the processing and fabricating of valve.
Preferably, the main valve clack uses valve cup structure, cup-shaped, it is possible thereby to mitigate the weight of main valve clack, makes action
It is more flexible, and it is also convenient for the processing such as main damping valve through hole.
Some horizontal annular grooves being parallel to each other can be provided with the lateral surface of the main valve clack, in favor of the main valve clack
It is steady and swimmingly move in the main valve clack guide sleeve.
The middle flap spring can be helical spring, and the bottom surface center of the middle flap can be provided with spring positioning blind
Hole, the bottom surface center that the middle flap is oriented to blind hole can be provided with the spring retention posts upwardly extended, the middle flap spring
The spring Blind locating holes are inserted in upper end, and lower end is enclosed on the spring retention posts, and the upper and lower ends of the middle flap spring can
It is oriented to bearing against in the bottom surface of the middle flap and the middle flap on the bottom surface of blind hole, in favor of keeping the position of spring
And reliably discharge elastic force.
The middle valve damp channel can use the lateral surface of the middle flap to be oriented to the inner side of blind hole with the middle flap
Gap between wall coordinates, can also be blind using on the lateral surface of the middle flap and/or described middle flap guiding is opened in
Vertical groove on the madial wall in hole.
Preferably, thus the upper lid will not only be driven using the part for being located at bottom in the bottom of drive device or drive device
Dynamic device is mounted directly on valve body, saves space, and also help simplified structure.
Preferably, the main valve lid can be fastened by bolts on the main valve body, the main valve body and the main valve
The upper surface of the main valve body component of valve guide sleeve composition is generally planar(The main part of upper surface is on same horizontal plane)
And the main valve lid sealed groove of annular is provided with, it is opened on the outside of the main valve lid sealed groove on the main valve body, inner side is opened
It is located on the main valve clack guide sleeve, the lower surface of the main valve lid is plane, provided with corresponding with the main valve lid sealed groove
Main valve bonnet seal bulge loop, is embedded with main valve lid sealing ring 18, the main valve bonnet seal bulge loop in the main valve lid sealed groove
It is plugged in the main valve lid sealed groove and is pressed on the main valve lid sealing ring, thus, is just realized by a sealing ring
The sealing between sealing and main valve body and main valve clack guide sleeve between main valve body and main valve lid.
The outlet side of the middle valve outlet chamber can be to pass through water conservancy diversion connecting tube with the mode of communicating of the Main valve outlet chamber
67 pore connection.
Preferably, the water conservancy diversion connecting tube is located at outside main valve body, what its one end inserted that the main valve covers be used as it is described in
It is sealedly and fixedly connected in the hole of valve outlet chamber and with the main valve lid, on other end insertion outlet side main valve body and Main valve outlet
It is sealedly and fixedly connected in the hole of chamber connection and with the main valve body, the water conservancy diversion connecting tube is furnished with corresponding connector and sealing
Part, with the connection and sealing realized and between the bonnet and main valve body, relevant connection and sealing means can be according to existing skills
The technology of art and other any suitables.
The present invention groundwork process be:When valve is closed, main valve sealing pair and other each sealing pairs
Close, the medium of epicoele in main valve is entered through main damping valve through hole makes upper intracavitary in main valve keep higher pressure, ensure that
The reliability of main valve sealing, during Open valve, drive device drives secondary flap to move up, and opens secondary valve sealing pair, secondary valve lumen and
The pressure medium of secondary valve snout cavity is down to valve export lateral pressure, and then the pressure medium of middle valve bottom cavity declines, above and below middle flap
Flap moves down during square pressure difference promotes, valve sealing pair in opening, and epicoele connects with Main valve outlet chamber in main valve, and pressure declines, main valve
Valve moves up under the effect of import lateral pressure, opens main valve sealing pair, makes valve opening, when closing valve, secondary flap is being conducted oneself with dignity
Or moved down under the collective effect of deadweight and drive device, secondary valve sealing pair is closed, the medium of middle valve lumen is in import side pressure
In the presence of power, valve damp channel progresses into middle valve bottom cavity in, after central valve bottom cavity pressure rise to a certain extent, overcomes
The factors such as middle flap deadweight, middle flap are boosted upwards, valve sealing pair in closing, main valve are progressed into by main damping valve through hole
The medium of middle epicoele can not be flowed out by middle valve so that and the pressure of epicoele gradually rises in main valve, when raising to a certain extent,
Promote main valve clack to move down, close main valve sealing pair, whole media of inlet side to outlet side are cut off, and valve, which is in, closes shape
State.
Alleged sealing of the invention is face-up, refers to that the sealing surface can be formed with the sealing surface being positioned above and seals;Institute
Claim sealing face-down, refer to that the sealing surface can be formed with the sealing surface being disposed below and seal.According to being actually needed and design
Person selects, and the sealing surface can be plane or the conical surface(Frustum face), can also be spherical crown surface or other
Suitable shape of anticipating.
Each preferable and optional technological means disclosed by the invention, unless otherwise indicated and a preferred or optional skill
Art means are outside the further restriction of another technological means, can form some different technical schemes in any combination.
Claims (10)
1. a kind of super-pressure big caliber electromagnetic valve, including main valve body and main valve lid, it is characterised in that also including middle cover and upper lid, institute
The main valve fluid chamber that main valve body opens up installation opening provided with center of top is stated, the main valve lid is sealingly mounted at the upper of the main valve body
Hold and close the installation opening of the main valve fluid chamber, main valve chamber, the import and export point of the main valve chamber are surrounded with the main valve body
Not Gou Cheng valve inlet and valve export, the main valve chamber is divided into main valve inlet chamber, master from valve inlet to valve export
Valve lumen, main valve cavity of resorption and Main valve outlet chamber, vertical main valve clack guide sleeve, the master are installed with the main valve lumen
The upper and lower ends of flap guide sleeve are open, and the top of the main valve clack guide sleeve is connected with the side wall of the main valve lumen, under
Gap is left between the side wall of portion and the main valve lumen, thus main valve lumen is divided on the inside of main valve clack guide sleeve
Epicoele and the cavity of resorption in the main valve on the outside of main valve clack guide sleeve in main valve, the main valve clack guide sleeve inner side are connected with master
Flap, the madial wall gap of the lateral surface of the main valve clack and the main valve clack guide sleeve coordinates, outside the bottom of the main valve clack
Surface is provided with main valve clack sealing surface directed downwardly, and main valve seat, the main valve clack are provided between the main valve lumen and main valve cavity of resorption
Positioned at the top of the main valve seat, distance, the main valve are left between the lower end of the main valve clack guide sleeve and the main valve seat
Seat is provided with the main valve seat sealing surface upward that main valve sealing can be formed with the main valve clack sealing surface, the main valve seat sealing
In a ring, among it to connect the main valve hole of the main valve cavity of resorption and main valve lumen, the bottom of the main valve clack offers master in face
Valve damps through hole, and the external port of the main damping valve through hole connects cavity of resorption in the main valve, and inner port is connected in the main valve
Chamber, the main valve are covered with the main valve lid lower chambers that bottom center opens up installation opening, and the middle cover is located in the main valve body, close
Envelope is installed in the lower end of the main valve lid and closes the installation opening of the main valve lid lower chambers, and middle valve is surrounded with the main valve lid
Chamber, the middle valve pocket are divided into middle valve snout cavity, middle valve lumen, middle valve epicoele and middle valve outlet chamber, the middle cover and are provided with
Opening up middle flap is oriented to blind hole, and the middle flap is oriented to blind hole and is connected with middle flap, the outside of the middle flap
The madial wall gap that face is oriented to blind hole with the middle flap coordinates, and the outer surface of cupular part of the middle flap is provided with middle flap upward
Sealing surface, is provided with middle valve seat between the middle valve lumen and middle valve epicoele, the middle valve seat is located at the top of the middle flap, institute
State valve seat and be provided with the middle sealing surface of seat directed downwardly that middle valve sealing can be formed with the middle valve clack sealing surface, the middle valve
In a ring, among it to connect the middle valve opening of the middle valve lumen and middle valve epicoele, the middle flap is oriented to blind hole to seat sealing surface
The middle flap spring being inside additionally provided with below the middle flap, the middle valve lumen and the middle flap are oriented to the bottom of blind hole
Between be communicated with both middle valve damp channels, the entrance point of the middle valve snout cavity is opened on epicoele in the main valve, institute
The outlet side for stating middle valve outlet chamber connects the Main valve outlet chamber, and the main valve is covered with the main valve that center of top opens up installation opening
Chamber is covered, the upper lid is sealingly mounted at the upper end of the main valve lid and closes the installation opening that the main valve covers chamber,
Secondary valve pocket is surrounded with the main valve lid, the secondary valve pocket is divided into secondary valve snout cavity, secondary valve lumen and secondary valve outlet chamber, described
The entrance point connection middle flap of secondary valve snout cavity is oriented to the bottom of blind hole, and the port of export of the secondary valve outlet chamber is opened on institute
Middle valve epicoele is stated, auxiliary-seat is provided between the secondary valve lumen and secondary valve outlet chamber, the auxiliary-seat is provided with secondary valve upward
Seat sealing surface, the auxiliary-seat sealing surface are among it the connection secondary valve lumen and the secondary valve opening of secondary valve outlet chamber in a ring,
The upper lid is connected with the secondary flap that can be moved up and down, and the secondary flap is located at the top of the auxiliary-seat, its bottom
Lower surface is provided with the secondary flap sealing surface directed downwardly that secondary valve sealing can be formed with the auxiliary-seat sealing surface.
2. super-pressure big caliber electromagnetic valve as claimed in claim 1, it is characterised in that the main valve seat, middle valve seat and auxiliary-seat
Formed respectively by built-up welding on the corresponding site that is covered in the main valve body and main valve, the main valve seat sealing surface, middle valve seat are close
Front cover and auxiliary-seat sealing surface are machined on respective built-up welding valve seat respectively.
3. super-pressure big caliber electromagnetic valve as claimed in claim 1, it is characterised in that the main valve clack uses valve cup structure.
4. super-pressure big caliber electromagnetic valve as claimed in claim 3, it is characterised in that the lateral surface of the main valve clack is provided with
Some horizontal annular grooves being parallel to each other.
5. super-pressure big caliber electromagnetic valve as claimed in claim 1, it is characterised in that the middle flap spring is helical spring,
The bottom surface center of the middle flap is provided with spring Blind locating holes, and central be provided with bottom surface that the middle flap is oriented to blind hole upwardly extends
Spring retention posts, the upper end of the middle flap spring inserts the spring Blind locating holes, and lower end is enclosed on the spring retention posts
On.
6. super-pressure big caliber electromagnetic valve as claimed in claim 1, it is characterised in that described in the middle valve damp channel uses
The gap that the lateral surface of middle flap and the middle flap are oriented between the madial wall of blind hole coordinates, or the middle valve damp channel
The vertical groove being oriented to using middle flap be opened on the lateral surface of the middle flap and/or described on the madial wall of blind hole.
7. super-pressure big caliber electromagnetic valve as claimed in claim 1, it is characterised in that the upper lid uses the bottom of drive device
Or it is located at the part of bottom in drive device.
8. super-pressure big caliber electromagnetic valve as claimed in claim 1, it is characterised in that the main valve lid is fastened by bolts
On the main valve body, the upper surface of the main valve body component of the main valve body and main valve clack guide sleeve composition for plane and is provided with
The main valve lid sealed groove of annular, it is opened on the main valve body on the outside of the main valve lid sealed groove, inner side is opened in institute
State on main valve clack guide sleeve, the lower surface of the main valve lid is plane, provided with main valve corresponding with the main valve lid sealed groove
Lid sealing bulge loop, the main valve lid sealed groove is interior to be embedded with main valve lid sealing ring, and the main valve bonnet seal bulge loop is plugged on institute
State in main valve lid sealed groove and be pressed on the main valve lid sealing ring.
9. the super-pressure big caliber electromagnetic valve as described in claim 1,2,3,4,5,6,7 or 8, it is characterised in that the middle valve goes out
The outlet side in oral cavity is to be connected by the pore of water conservancy diversion connecting tube with the mode of communicating of the Main valve outlet chamber.
10. super-pressure big caliber electromagnetic valve as claimed in claim 9, it is characterised in that the water conservancy diversion connecting tube is located at main valve body
Outside, its one end is inserted in the hole as the middle valve outlet chamber that the main valve covers and fixed with the main valve bonnet seal and connected
Connect, fixed connect is sealed in the hole connected with Main valve outlet chamber on other end insertion outlet side main valve body and with the main valve body
Connect.
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CN201610129458.6A CN105650329B (en) | 2016-03-08 | 2016-03-08 | Super-pressure big caliber electromagnetic valve |
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CN201610129458.6A CN105650329B (en) | 2016-03-08 | 2016-03-08 | Super-pressure big caliber electromagnetic valve |
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CN105650329B true CN105650329B (en) | 2018-03-06 |
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CN106704602B (en) * | 2016-12-30 | 2023-02-14 | 宁波三安制阀有限公司 | Electric direction valve |
CN106969187A (en) * | 2017-05-31 | 2017-07-21 | 余姚市三力信电磁阀有限公司 | A kind of multistage guiding high pressure magnetic valve of heavy caliber |
CN108980443B (en) * | 2018-08-29 | 2019-08-09 | 陈国顺 | High-temperature electromagnetic drives shut-off valve |
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CN2531182Y (en) * | 2002-03-21 | 2003-01-15 | 浙江上正阀门有限公司 | High-temp. magnetic valve |
CN101418870A (en) * | 2008-11-26 | 2009-04-29 | 陈国顺 | High power high-temperature solenoid valve |
CN101858440A (en) * | 2010-06-18 | 2010-10-13 | 陈国顺 | Two-way electromagnetic valve |
CN201963999U (en) * | 2011-03-18 | 2011-09-07 | 重庆环茂电磁阀有限公司 | Double-layered pilot-operated type hard and soft tapered seal electromagnetic valve |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3667976B2 (en) * | 1998-03-16 | 2005-07-06 | シーケーディ株式会社 | High pressure solenoid valve |
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2016
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2531182Y (en) * | 2002-03-21 | 2003-01-15 | 浙江上正阀门有限公司 | High-temp. magnetic valve |
CN101418870A (en) * | 2008-11-26 | 2009-04-29 | 陈国顺 | High power high-temperature solenoid valve |
CN101858440A (en) * | 2010-06-18 | 2010-10-13 | 陈国顺 | Two-way electromagnetic valve |
CN201963999U (en) * | 2011-03-18 | 2011-09-07 | 重庆环茂电磁阀有限公司 | Double-layered pilot-operated type hard and soft tapered seal electromagnetic valve |
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