CN105650329A - Ultrahigh-pressure large-caliber electromagnetic valve - Google Patents
Ultrahigh-pressure large-caliber electromagnetic valve Download PDFInfo
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- CN105650329A CN105650329A CN201610129458.6A CN201610129458A CN105650329A CN 105650329 A CN105650329 A CN 105650329A CN 201610129458 A CN201610129458 A CN 201610129458A CN 105650329 A CN105650329 A CN 105650329A
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- main valve
- valve
- described main
- clack
- seat
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to an ultrahigh-pressure large-caliber electromagnetic valve which comprises a main valve body, a main valve cover, a middle cover and an upper cover. A main valve cavity is defined by the main valve body and the main valve cover. A vertical main valve clack guide sleeve is fixedly mounted in a main valve middle cavity. The inner side of the main valve clack guide sleeve is movably connected with a main valve clack. A main valve base is arranged between the main valve middle cavity and a main valve lower cavity. A main valve damping through hole is formed in the lower portion of the main valve clack. A middle valve cavity is defined by the middle cover and the main valve cover. A middle valve base is arranged between a middle valve middle cavity and a middle valve upper cavity. A middle valve clack is arranged below the middle valve base. An auxiliary valve cavity is defined by the upper cover and the main valve cover. An auxiliary valve base is arranged between an auxiliary valve middle cavity and an auxiliary valve outlet cavity. An auxiliary valve clack is arranged above the auxiliary valve base. The electromagnetic valve is good in sealing performance, convenient to machine and assemble, small in required drive force and especially suitable for the occasions with requirements for ultrahigh pressure and large calibers.
Description
Technical field
The present invention relates to a kind of supertension big caliber electromagnetic valve.
Background technology
Existing high-pressure solenoid valve includes valve body, it is provided with main valve chamber in described valve body, described main valve chamber is divided into main valve inlet chamber, main valve lumen and Main valve outlet chamber, in described main valve, intracavity is provided with a fairlead, it is provided with one in described fairlead and moves axially the valve cup coordinated with fairlead, the lower surface of described valve cup is provided with main valve valve cup sealing surface, the lower section of described fairlead is in the main valve seat in described main valve chamber, described main valve seat is provided with and together constitutes with the main valve seat sealing surface of main valve sealing pair with described main valve valve cup sealing surface, the central authorities of described main valve seat sealing surface are the main valve holes of connection Main valve outlet chamber and main valve lumen, the lower end of described fairlead is with leaving the spacing passed through for medium between described main valve seat sealing surface, the side lower of described valve cup is communicated with the damping hole inside and outside valve cup, described valve body is provided with valve gap, described valve gap is fixedly mounted on the top of described valve body part, the top closing valve body part is uncovered, described valve gap is arranged above with support, secondary valve pocket it is provided with between described support and valve gap, described secondary valve pocket is divided into secondary valve snout cavity, secondary valve lumen and secondary valve outlet port chamber, described secondary valve snout cavity connects with described main valve lumen, described secondary valve outlet port chamber connects with described Main valve outlet chamber, described support is provided with and moves axially the valve rod coordinated with it, the lower end of valve rod connects or is used as secondary flap, it is provided with auxiliary-seat between described secondary valve outlet port chamber and secondary valve lumen, described auxiliary-seat is provided with auxiliary-seat sealing surface, the central authorities of described auxiliary-seat sealing surface are the secondary valve openings of the secondary valve outlet port chamber of connection and secondary valve lumen, the lower end of described valve rod is provided with and together constitutes with the secondary valve clack sealing surface of secondary valve sealing pair with described auxiliary-seat sealing surface, described support is provided with the Electrical heads that described valve rod can be driven to move up and down, during valve opening, Electrical heads energising band ovable valve stem moves up, open secondary valve sealing pair, main valve lumen is made to connect through secondary valve pocket with Main valve outlet chamber, the pressure of main valve lumen declines, and then make valve cup move up under the effect of main valve inlet cavity pressure, open main valve sealing pair, valve is made to be in opening, when closing valve, Electrical heads power-off, valve rod moves down under spring force, close secondary valve sealing pair, cut off the medium channel through secondary valve pocket, medium damping hole on valve cup in main valve inlet chamber gradually flows into the main valve lumen being positioned at above valve cup, the pressure above valve cup is made to be gradually increased, until promoting valve cup to move down closedown main valve sealing pair, valve is made to be closed. this high-pressure solenoid valve has the drawback that owing to adopting upper dress formula valve cup structure, make to be connected between valve gap with valve body and be connected sealing between sealing and valve gap flow-guiding channel with valve body flow-guiding channel and cannot concurrently reach requirement, the machining accuracy not required nothing more than and assembly precision are high, and be increased to after to a certain degree at pressure medium, being prone to leakage occur, the pressure medium of adaptation is subject to certain restrictions. it addition, when for large bore valves, owing to medium is big to the active force of sealing pair, valve rod driving device is needed to provide very big power can realize the smooth keying of valve, thereby increase the power requirement to driving device, increase volume, increase power consumption.
Summary of the invention
In order to overcome the drawbacks described above of prior art, the invention provides a kind of supertension big caliber electromagnetic valve, this electromagnetic valve good seal performance, advantageously reduce processing and the required precision of assembling, the driving force required is relatively small, is suitable for higher pressure medium and bigger valve aperture.
The technical solution adopted in the present invention is: a kind of supertension big caliber electromagnetic valve, including main valve body, main valve lid, middle cover and upper cover, described main valve body is provided with center of top and offers the main valve body chamber of installation opening, described main valve lid is sealingly mounted at the upper end of described main valve body and closes the installation opening of described main valve body chamber, main valve chamber is surrounded with described main valve body, entering of described main valve chamber, outlet respectively constitutes valve inlet and valve export, described main valve chamber is divided into main valve inlet chamber from valve inlet to valve export, main valve lumen, main valve cavity of resorption and Main valve outlet chamber, in described main valve, intracavity is installed with vertical main valve clack fairlead, the open at both ends up and down of described main valve clack fairlead, the top of described main valve clack fairlead is connected with the sidewall of described main valve lumen, gap is left between the sidewall of bottom and described main valve lumen, thus main valve lumen is divided into the main valve epicoele being arranged in inside main valve clack fairlead and is arranged in the main valve cavity of resorption outside main valve clack fairlead, it is connected with main valve clack inside described main valve clack fairlead, the medial wall matched in clearance of the lateral surface of described main valve clack and described main valve clack fairlead, the bottom outer surface of described main valve clack is provided with main valve clack sealing surface down, it is provided with main valve seat between described main valve lumen and main valve cavity of resorption, described main valve clack is positioned at the top of described main valve seat, distance is left between lower end and the described main valve seat of described main valve clack fairlead, described main valve seat is provided with form, with described main valve clack sealing surface, the main valve seat sealing surface upward that main valve seals, described main valve seat sealing surface is ringwise, for connecting the main valve hole of described main valve cavity of resorption and main valve lumen in the middle of it, the bottom of described main valve clack offers main damping valve through hole, the external port of described main damping valve through hole connects cavity of resorption in described main valve, inner port connects epicoele in described main valve, described main valve is covered with bottom center and offers the main valve lid lower chambers of installation opening, described middle cover is positioned at described main valve body, it is sealingly mounted at the lower end of described main valve lid and closes the installation opening of described main valve lid lower chambers, middle valve pocket is surrounded with described main valve lid, described middle valve pocket is divided into middle valve snout cavity, middle valve lumen, middle valve epicoele and middle valve outlet port chamber, cover in described and be provided with opening up middle flap guiding blind hole, described middle flap guiding blind hole is connected with middle flap, the medial wall matched in clearance of the lateral surface of described middle flap and described middle flap guiding blind hole, the outer surface of cupular part of described middle flap is provided with middle valve clack sealing surface upward, it is provided with middle valve seat between described middle valve lumen and middle valve epicoele, described middle valve seat is arranged in the top of described flap, described middle valve seat is provided with form, with described middle valve clack sealing surface, the middle sealing surface of seat down that middle valve seals, described middle sealing surface of seat is ringwise, for connecting the middle valve opening of described middle valve lumen and middle valve epicoele in the middle of it, it is additionally provided with, in described middle flap guiding blind hole, the middle flap spring being arranged in below described flap, both middle valve damp channels it are communicated with between the bottom of described middle valve lumen and described middle flap guiding blind hole, the entrance point of described middle valve snout cavity is opened on epicoele in described main valve, the outlet side in described middle valve outlet port chamber connects described Main valve outlet chamber, described main valve is covered with center of top and offers the main valve of installation opening and cover chamber, described upper cover is sealingly mounted at the upper end of described main valve lid and closes described main valve and cover the installation opening of chamber, secondary valve pocket is surrounded with described main valve lid, described secondary valve pocket is divided into secondary valve snout cavity, secondary valve lumen and secondary valve outlet port chamber, the entrance point of described secondary valve snout cavity connects the bottom of described middle flap guiding blind hole, the port of export in described secondary valve outlet port chamber is opened on described middle valve epicoele, it is provided with auxiliary-seat between described secondary valve lumen and secondary valve outlet port chamber, described auxiliary-seat is provided with auxiliary-seat sealing surface upward, described auxiliary-seat sealing surface is ringwise, for the secondary valve opening of the described secondary valve lumen of connection and secondary valve outlet port chamber in the middle of it, described upper cover is connected with the secondary flap that can move up and down, described secondary flap is positioned at the top of described auxiliary-seat, its bottom lower surface is provided with form, with described auxiliary-seat sealing surface, the secondary valve clack sealing surface down that secondary valve seals.
The invention have the benefit that in employing pair, main three grades of sealing pairs cooperate, can based on secondary valve sealing pair, the opening and closing of valve are carried out with less driving force, significantly reduce the valve drive forces requirement under high-pressure large-caliber, advantageously reduce the power of driving device, reduce volume and reduce temperature rise, effectively expand subject range, adopt valve flap structure in down-mounting type, it is to avoid upper dress formula structure flow-guiding channel easily reveals shortcoming, overcomes the obstacle hindering three grades of sealing pairs in practice, makes three grades of sealing pairs be possibly realized, due to connection between valve outlet port chamber and Main valve outlet chamber in can being realized by independent water conservancy diversion connecting tube, make between main valve lid and main valve body seal with middle valve outlet port chamber and Main valve outlet chamber separate, overcome main valve lid and the defect being difficult to simultaneously meet two aspect seal requests is installed, reduce processing and the assembly precision requirement of associated part, significantly improve sealing effectiveness, improve the voltage endurance capability of sealing, thus, the present invention can adapt to exceed, in remote, the high pressure range and bore that under prior art, similar high pressure valve adapts to, and the reliability sealed is improved obviously, valve opening and closing reliable, flexibly, required driving force is obviously reduced.
Accompanying drawing explanation
Fig. 1 is present invention generalized section in main apparent direction;
Fig. 2 is the generalized section on side-looking direction corresponding with Fig. 1.
Detailed description of the invention
Referring to Fig. 1, supertension big caliber electromagnetic valve provided by the invention includes main valve body 11, main valve lid 12, middle cover 34 and upper cover 85, described main valve body is provided with center of top and offers the main valve body chamber of installation opening, described main valve lid is sealingly mounted at the upper end of described main valve body and closes the installation opening of described main valve body chamber, main valve chamber is crossed with described main valve body, entering of described main valve chamber, outlet respectively constitutes valve inlet and valve export, described main valve chamber is divided into main valve inlet chamber 51 from valve inlet to valve export, main valve lumen, main valve cavity of resorption 54 and Main valve outlet chamber 55, when main valve sealing pair is opened, described main valve inlet chamber, main valve lumen, it is a bar medium channel that main valve cavity of resorption and Main valve outlet chamber are sequentially connected, in described main valve, intracavity is installed with vertical main valve clack fairlead 26, the open at both ends up and down of described main valve clack fairlead, the top of described main valve clack fairlead is connected with the sidewall of described main valve lumen, gap is left between the sidewall of bottom and described main valve lumen, thus main valve lumen is divided into the main valve epicoele 53 being arranged in inside main valve clack fairlead and is arranged in the main valve cavity of resorption 52 outside main valve clack fairlead, it is connected with main valve clack 21 inside described main valve clack fairlead, the medial wall matched in clearance of the lateral surface of described main valve clack and described main valve clack fairlead, leave the minim gap that both permissions move up and down relatively between the two, the bottom outer surface of described main valve clack is provided with main valve clack sealing surface down, it is provided with main valve seat 23 between described main valve lumen and main valve cavity of resorption, described main valve clack is positioned at the top of described main valve seat, distance is left between lower end and the described main valve seat of described main valve clack fairlead, to avoid cutting off in main valve in cavity of resorption and main valve the connection between epicoele and main valve cavity of resorption, described main valve seat is provided with form, with described main valve clack sealing surface, the main valve seat sealing surface upward that main valve seals, described main valve seat sealing surface is ringwise, for connecting the main valve hole of described main valve cavity of resorption and main valve lumen in the middle of it, the bottom of described main valve clack offers main damping valve through hole 28, the external port of described main damping valve through hole connects cavity of resorption in described main valve, inner port connects epicoele in described main valve, so that main damping valve through hole should be arranged on the connecting portion of the bottom on the sidewall of the nearly bottom of main valve clack or outside main valve clack sealing surface and bottom and sidewall, described main valve is covered with bottom center and offers the main valve lid lower chambers of installation opening, described middle cover is positioned at described main valve body, it is sealingly mounted at the lower end of described main valve lid and closes the installation opening of described main valve lid lower chambers, middle valve pocket is crossed with described main valve lid, described middle valve pocket is divided into middle valve snout cavity 61, middle valve lumen 62, middle valve epicoele 65 and middle valve outlet port chamber 66, when main valve sealing pair is opened, described middle valve snout cavity, middle valve lumen, it is a medium channel that middle valve epicoele and middle valve outlet port chamber are sequentially connected, cover in described and be provided with opening up middle flap guiding blind hole, described middle flap guiding blind hole is connected with middle flap 31, the medial wall matched in clearance of the lateral surface of described middle flap and described middle flap guiding blind hole, the outer surface of cupular part of described middle flap is provided with middle valve clack sealing surface upward, it is provided with middle valve seat 33 between described middle valve lumen and middle valve epicoele, described middle valve seat is arranged in the top of described flap, described middle valve seat is provided with form, with described middle valve clack sealing surface, the middle sealing surface of seat down that middle valve seals, described middle sealing surface of seat is ringwise, for connecting the middle valve opening of described middle valve lumen and middle valve epicoele in the middle of it, it is additionally provided with, in described middle flap guiding blind hole, the middle flap spring 36 being arranged in below described flap, both middle valve damp channels 68 it are communicated with between the bottom of described middle valve lumen and described middle flap guiding blind hole, owing to leaving spacing between the bottom surface of described middle flap bottom surface and middle flap guiding blind hole, space between the two can be described as middle valve bottom cavity 63, the size of this chamber changes with the change in location of described middle flap, but the part being arranged in below flap stroke minimum point remains constant (but the chamber that this part exists all the time is middle valve bottom cavity bottom), the entrance point of described middle valve snout cavity is opened on epicoele in described main valve, the outlet side in described middle valve outlet port chamber connects described Main valve outlet chamber, described main valve is covered with center of top and offers the main valve of installation opening and cover chamber, described upper cover is sealingly mounted at the upper end of described main valve lid and closes described main valve and cover the installation opening of chamber, secondary valve pocket is surrounded with described main valve lid, described secondary valve pocket is divided into secondary valve snout cavity 71, secondary valve lumen 72 and secondary valve outlet port chamber 75, when secondary valve sealing pair is opened, described secondary valve snout cavity, secondary valve lumen is sequentially connected into a medium channel with secondary valve outlet port chamber, the entrance point of described secondary valve snout cavity can connect the bottom of described middle flap guiding blind hole by the through hole 79 on the sidewall of described middle flap guiding blind hole, passage can also be sealed by other and realize this connection, the port of export in described secondary valve outlet port chamber is opened on described middle valve epicoele, it is provided with auxiliary-seat 43 between described secondary valve lumen and secondary valve outlet port chamber, described auxiliary-seat is provided with auxiliary-seat sealing surface upward, described auxiliary-seat sealing surface is ringwise, for the secondary valve opening of the described secondary valve lumen of connection and secondary valve outlet port chamber in the middle of it, described upper cover is connected with the secondary flap 41 that can move up and down, described secondary flap is positioned at the top of described auxiliary-seat, its bottom lower surface is provided with form, with described auxiliary-seat sealing surface, the secondary valve clack sealing surface down that secondary valve seals, described secondary flap can be the independent part directly driven by driving device 80, the part of valve rod bottom can also be attached to, or directly using valve rod bottom as secondary flap (being arranged to the structure of secondary flap by valve rod bottom), moved up and down by driving device band ovable valve stem, the spacing structure that can rely on upper cov
The entrance point of described main valve body and the port of export all can be provided with connecting flange 16 or other are suitable to the device that is connected with pipeline.
Preferably, described main valve seat, middle valve seat and auxiliary-seat are formed respectively through built-up welding on the corresponding site on described main valve body and main valve lid, described main valve seat sealing surface, middle sealing surface of seat and auxiliary-seat sealing surface are machined into respectively on respective built-up welding valve seat, this built-up welding and machining can be carried out by the corresponding installation opening in each chamber, from there through the above-mentioned structure of the present invention, it is very easy to the processing and fabricating of valve.
Preferably, described main valve clack adopts valve cup structure, cup-shaped, thus can alleviate the weight of main valve clack, make action more flexible, and also is easy to the processing such as main damping valve through hole.
The lateral surface of described main valve clack can be provided with some horizontal annular grooves being parallel to each other, be beneficial to described main valve clack and steadily and swimmingly move in described main valve clack fairlead.
Described middle flap spring can be helical spring, the bottom surface central authorities of described middle flap can be provided with spring Blind locating holes, the bottom surface central authorities of described middle flap guiding blind hole can be provided with upwardly extending spring retention posts, described spring Blind locating holes is inserted in the upper end of described middle flap spring, lower end is enclosed within described spring retention posts, the two ends up and down of described middle flap spring can bear against on the bottom surface of the bottom surface of described middle flap and described middle flap guiding blind hole, is beneficial to keep the position of spring and reliably discharge elastic force.
Described middle valve damp channel can adopt the gap between the lateral surface of described middle flap and the medial wall of described middle flap guiding blind hole to coordinate, it would however also be possible to employ is opened in the vertical groove on the medial wall of on the lateral surface of described middle flap and/or described middle flap guiding blind hole.
Preferably, the end of described upper cover employing driving device or driving device, are positioned at the part of bottom, thus not only driving device directly installed on valve body, save space, but also be conducive to simplifying structure.
Preferably, described main valve lid can be fastened by bolts on described main valve body, the upper surface generally planar (main part of upper surface is on same horizontal plane) of main valve body component of described main valve body and described main valve clack fairlead composition and be provided with the main valve lid sealed groove of annular, the outside of described main valve lid sealed groove is opened on described main valve body, inner side is opened on described main valve clack fairlead, the lower surface of described main valve lid is plane, it is provided with the main valve bonnet seal bulge loop corresponding with described main valve lid sealed groove, it is embedded with main valve lid sealing ring 18 in described main valve lid sealed groove, described main valve bonnet seal bulge loop is plugged in described main valve lid sealed groove and is pressed on described main valve lid sealing ring, thus, it is achieved that the sealing between the sealing between main valve body and main valve lid and main valve body and main valve clack fairlead by a sealing ring.
The outlet side in described middle valve outlet port chamber can for connect by the pore of water conservancy diversion connecting tube 67 with the mode of communicating in described Main valve outlet chamber.
Preferably, described water conservancy diversion connecting tube is positioned at outside main valve body, its one end is inserted in the hole being used as described middle valve outlet port chamber on described main valve lid and is sealedly and fixedly connected with described main valve, the other end inserts in the hole connected with Main valve outlet chamber on outlet side main valve body and is sealedly and fixedly connected with described main valve body, described water conservancy diversion connecting tube is furnished with corresponding connector and sealing member, can according to the technology of prior art and other any suitable with the connection between realization and described valve gap and main valve body and sealing, relevant connection and sealing means.
The groundwork process of the present invention is: when valve is closed, main valve sealing pair and other each sealing pairs are all closed, entering the medium of epicoele in main valve through main damping valve through hole makes upper intracavity in main valve keep higher pressure, ensure that the reliability that main valve seals, during Open valve, driving device drives and moves on secondary flap, open secondary valve sealing pair, the pressure medium of secondary valve lumen and secondary valve snout cavity is down to valve export lateral pressure, and then the pressure medium of middle valve bottom cavity declines, during middle flap upper and lower pressure reduction promotes, flap moves down, open middle valve sealing pair, in main valve, epicoele connects with Main valve outlet chamber, pressure declines, main valve clack under inlet side pressure effect on move, open main valve sealing pair, make valve opening, when closing valve, secondary flap moves down under the combined effect of deadweight or deadweight and driving device, close secondary valve sealing pair, the medium of middle valve lumen is under the effect of inlet side pressure, in warp, valve damp channel progresses into middle valve bottom cavity, central valve bottom cavity pressure is increased to after to a certain degree, overcome the factors such as middle flap deadweight, middle flap is upwards boosted, valve sealing pair in closedown, progress into the medium of epicoele in main valve by main damping valve through hole to be flowed out by middle valve, the pressure of epicoele in main valve is gradually risen, when being increased to a certain degree, promotion main valve clack moves down, close main valve sealing pair, inlet side is all cut-off to whole media of outlet side, valve is closed.
Sealing surface alleged by the present invention upward, refers to that this sealing surface can be formed with the sealing surface being positioned above and seals; Alleged sealing surface down, refers to that this sealing surface can be formed with the sealing surface being disposed below and seals. Selecting with designer according to actual needs, described sealing surface can be plane, it is also possible to be the conical surface (frustum face), it is also possible to be spherical crown surface or other any suitable shapes.
Each preferred and optional technological means disclosed by the invention, unless otherwise indicated and preferred or optional technological means be, outside the limiting further of another technological means, all in any combination, some different technical schemes can be formed.
Claims (10)
1. a supertension big caliber electromagnetic valve, including main valve body and main valve lid, characterized by further comprising middle cover and upper cover, described main valve body is provided with center of top and offers the main valve body chamber of installation opening, described main valve lid is sealingly mounted at the upper end of described main valve body and closes the installation opening of described main valve body chamber, main valve chamber is surrounded with described main valve body, entering of described main valve chamber, outlet respectively constitutes valve inlet and valve export, described main valve chamber is divided into main valve inlet chamber from valve inlet to valve export, main valve lumen, main valve cavity of resorption and Main valve outlet chamber, in described main valve, intracavity is installed with vertical main valve clack fairlead, the open at both ends up and down of described main valve clack fairlead, the top of described main valve clack fairlead is connected with the sidewall of described main valve lumen, gap is left between the sidewall of bottom and described main valve lumen, thus main valve lumen is divided into the main valve epicoele being arranged in inside main valve clack fairlead and is arranged in the main valve cavity of resorption outside main valve clack fairlead, it is connected with main valve clack inside described main valve clack fairlead, the medial wall matched in clearance of the lateral surface of described main valve clack and described main valve clack fairlead, the bottom outer surface of described main valve clack is provided with main valve clack sealing surface down, it is provided with main valve seat between described main valve lumen and main valve cavity of resorption, described main valve clack is positioned at the top of described main valve seat, distance is left between lower end and the described main valve seat of described main valve clack fairlead, described main valve seat is provided with form, with described main valve clack sealing surface, the main valve seat sealing surface upward that main valve seals, described main valve seat sealing surface is ringwise, for connecting the main valve hole of described main valve cavity of resorption and main valve lumen in the middle of it, the bottom of described main valve clack offers main damping valve through hole, the external port of described main damping valve through hole connects cavity of resorption in described main valve, inner port connects epicoele in described main valve, described main valve is covered with bottom center and offers the main valve lid lower chambers of installation opening, described middle cover is positioned at described main valve body, it is sealingly mounted at the lower end of described main valve lid and closes the installation opening of described main valve lid lower chambers, middle valve pocket is surrounded with described main valve lid, described middle valve pocket is divided into middle valve snout cavity, middle valve lumen, middle valve epicoele and middle valve outlet port chamber, cover in described and be provided with opening up middle flap guiding blind hole, described middle flap guiding blind hole is connected with middle flap, the medial wall matched in clearance of the lateral surface of described middle flap and described middle flap guiding blind hole, the outer surface of cupular part of described middle flap is provided with middle valve clack sealing surface upward, it is provided with middle valve seat between described middle valve lumen and middle valve epicoele, described middle valve seat is arranged in the top of described flap, described middle valve seat is provided with form, with described middle valve clack sealing surface, the middle sealing surface of seat down that middle valve seals, described middle sealing surface of seat is ringwise, for connecting the middle valve opening of described middle valve lumen and middle valve epicoele in the middle of it, it is additionally provided with, in described middle flap guiding blind hole, the middle flap spring being arranged in below described flap, both middle valve damp channels it are communicated with between the bottom of described middle valve lumen and described middle flap guiding blind hole, the entrance point of described middle valve snout cavity is opened on epicoele in described main valve, the outlet side in described middle valve outlet port chamber connects described Main valve outlet chamber, described main valve is covered with center of top and offers the main valve of installation opening and cover chamber, described upper cover is sealingly mounted at the upper end of described main valve lid and closes described main valve and cover the installation opening of chamber, secondary valve pocket is surrounded with described main valve lid, described secondary valve pocket is divided into secondary valve snout cavity, secondary valve lumen and secondary valve outlet port chamber, the entrance point of described secondary valve snout cavity connects the bottom of described middle flap guiding blind hole, the port of export in described secondary valve outlet port chamber is opened on described middle valve epicoele, it is provided with auxiliary-seat between described secondary valve lumen and secondary valve outlet port chamber, described auxiliary-seat is provided with auxiliary-seat sealing surface upward, described auxiliary-seat sealing surface is ringwise, for the secondary valve opening of the described secondary valve lumen of connection and secondary valve outlet port chamber in the middle of it, described upper cover is connected with the secondary flap that can move up and down, described secondary flap is positioned at the top of described auxiliary-seat, its bottom lower surface is provided with form, with described auxiliary-seat sealing surface, the secondary valve clack sealing surface down that secondary valve seals.
2. supertension big caliber electromagnetic valve as claimed in claim 1, it is characterized in that described main valve seat, middle valve seat and auxiliary-seat are formed respectively through built-up welding on the corresponding site on described main valve body and main valve lid, described main valve seat sealing surface, middle sealing surface of seat and auxiliary-seat sealing surface are machined into respectively on respective built-up welding valve seat.
3. supertension big caliber electromagnetic valve as claimed in claim 1, it is characterised in that described main valve clack adopts valve cup structure.
4. supertension big caliber electromagnetic valve as claimed in claim 3, it is characterised in that the lateral surface of described main valve clack is provided with some horizontal annular grooves being parallel to each other.
5. supertension big caliber electromagnetic valve as claimed in claim 1, it is characterized in that described middle flap spring is helical spring, the bottom surface central authorities of described middle flap are provided with spring Blind locating holes, the bottom surface central authorities of described middle flap guiding blind hole are provided with upwardly extending spring retention posts, described spring Blind locating holes is inserted in the upper end of described middle flap spring, and lower end is enclosed within described spring retention posts.
6. supertension big caliber electromagnetic valve as claimed in claim 1, it is characterized in that described middle valve damp channel adopts the gap between the lateral surface of described middle flap and the medial wall of described middle flap guiding blind hole to coordinate, or described middle valve damp channel adopts the vertical groove on the medial wall being opened on the lateral surface of described middle flap and/or described middle flap guiding blind hole.
7. supertension big caliber electromagnetic valve as claimed in claim 1, it is characterised in that be positioned at the part of bottom at the end of described upper cover employing driving device or driving device.
8. supertension big caliber electromagnetic valve as claimed in claim 1, it is characterized in that described main valve lid is fastened by bolts on described main valve body, the upper surface of the main valve body component of described main valve body and described main valve clack fairlead composition is plane and the main valve lid sealed groove being provided with annular, the outside of described main valve lid sealed groove is opened on described main valve body, inner side is opened on described main valve clack fairlead, the lower surface of described main valve lid is plane, it is provided with the main valve bonnet seal bulge loop corresponding with described main valve lid sealed groove, it is embedded with main valve lid sealing ring in described main valve lid sealed groove, described main valve bonnet seal bulge loop is plugged in described main valve lid sealed groove and is pressed on described main valve lid sealing ring.
9. the supertension big caliber electromagnetic valve as described in claim 1,2,3,4,5,6,7 or 8, it is characterised in that the outlet side in described middle valve outlet port chamber is connected by the pore of water conservancy diversion connecting tube with the mode of communicating in described Main valve outlet chamber.
10. supertension big caliber electromagnetic valve as claimed in claim 9, it is characterized in that described water conservancy diversion connecting tube is positioned at outside main valve body, its one end is inserted in the hole being used as described middle valve outlet port chamber on described main valve lid and is sealedly and fixedly connected with described main valve, and the other end inserts in the hole connected with Main valve outlet chamber on outlet side main valve body and is sealedly and fixedly connected with described main valve body.
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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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| CN105650329A true CN105650329A (en) | 2016-06-08 |
| CN105650329B CN105650329B (en) | 2018-03-06 |
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| CN201610129458.6A Active CN105650329B (en) | 2016-03-08 | 2016-03-08 | Super-pressure big caliber electromagnetic valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106704602A (en) * | 2016-12-30 | 2017-05-24 | 宁波三安制阀有限公司 | Electric directional 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 |
| CN108980443A (en) * | 2018-08-29 | 2018-12-11 | 陈国顺 | High-temperature electromagnetic drive stop valve |
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| 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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| JPH11257523A (en) * | 1998-03-16 | 1999-09-21 | Ckd Corp | High pressure solenoid valve |
| CN2531182Y (en) * | 2002-03-21 | 2003-01-15 | 浙江上正阀门有限公司 | High-temp. magnetic valve |
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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 |
| CN108980443A (en) * | 2018-08-29 | 2018-12-11 | 陈国顺 | High-temperature electromagnetic drive stop valve |
| CN108980443B (en) * | 2018-08-29 | 2019-08-09 | 陈国顺 | High-temperature electromagnetic drive stop valve |
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|---|---|
| CN105650329B (en) | 2018-03-06 |
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