CN101672367B - Sewage electromagnetic valve - Google Patents
Sewage electromagnetic valve Download PDFInfo
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- CN101672367B CN101672367B CN2009102352502A CN200910235250A CN101672367B CN 101672367 B CN101672367 B CN 101672367B CN 2009102352502 A CN2009102352502 A CN 2009102352502A CN 200910235250 A CN200910235250 A CN 200910235250A CN 101672367 B CN101672367 B CN 101672367B
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Abstract
The invention relates to a sewage electromagnetic valve, which comprises a valve body and a valve rod, wherein an isolated body used for dividing a valve cavity into an inner cavity and an outer cavity is arranged in the valve cavity of the valve body; the inner cavity is communicated with the outlet of a valve, and the outer cavity is communicated with the inlet of the valve; the top part and the bottom part of the isolated body are respectively provided with an upper valve seat mounting hole and a lower valve seat mounting hole that are arranged coaxially; the upper valve seat mounting hole and the lower valve seat mounting hole are respectively provided with an upper valve seat and a lower valve seat in a detachable connection way; the lower part of the valve rod is provided with an upper sealing component and a lower sealing component; the sealing surfaces of each valve seat and the sealing base surfaces of the sealing components take the conical cylinder shape; the sealing components comprise sealing elements and sealing element bases; and the outer edges of the sealing elements adopt the O-shaped rings, and the inner edges thereof adopt the annular locating rings. The sewage electromagnetic valve can be used at two ways and has good sealing effect; in addition, the medium can be allowed to contain certain fiber and/or particulate matter, and the sewage electromagnetic valve can be used for transmitting sewage or other similar mediums.
Description
Technical field
The present invention relates to a kind of sewage electromagnetic valve of carrying sewage and other similar mediums that is applicable to.
Background technique
Existing solenoid valve is normally for carrying cleaning medium to design, for example No. 02208418.5 patent of invention of China discloses a kind of high-temperature solenoid valve, it comprises interconnective main valve body, the main valve sealing pair, auxiliary valve body and secondary valve seal pair, described auxiliary valve body be positioned at described main valve body above, link together with main valve body, described main valve sealing pair is arranged in the valve pocket of main valve body, be used to be communicated with or cut off main valve medium channel in the main valve body, valve cup and fixing main valve seat by activity are formed, described main valve seat is horizontal valve seat, valve pocket is divided into two-part up and down, be positioned at the entrance point of the valve pocket connection valve above it, be positioned at the outlet end that valve pocket below it connects valve, described valve cup is positioned at the top of described main valve seat, be slidingly matched with the valve glass holder that is fixedly mounted in the main valve body, can move up and down, the bottom of valve cup is provided with the sealing surface that matches with main valve seat, the bottom of valve cup and bottom, side are provided with the damping through hole, described secondary valve seal pair is arranged in the valve pocket of auxiliary valve body, be used for being communicated with or cutting off secondary valve medium channel, and with the state of this control valve cup and main valve sealing pair, secondary valve seal pair is made up of secondary valve seal and auxiliary-seat, auxiliary-seat is divided into two-part with secondary valve pocket, the secondary valve pocket that wherein is positioned at described auxiliary-seat one side is communicated with the valve pocket that main valve body is communicated with the valve export end by the secondary valve medium channel of appropriate section, the secondary valve pocket that is positioned at described auxiliary-seat opposite side is communicated with the valve pocket that main valve body is communicated with entrance point by the secondary valve medium channel of another part, and the space in the connecting valve cup thus, the Sealing of described secondary valve is connected the lower end of valve rod and is positioned at the top of described auxiliary-seat, and the upper end of described valve rod connects the moving iron core that is positioned at Electrical heads.Behind the coil electricity of Electrical heads, static iron core and moving iron core attract each other, moving iron core moves up under this suction, driving valve rod and secondary valve seal moves up, secondary valve seal breaks away from auxiliary-seat, the medium channel that medium is passed auxiliary-seat central authorities flows into the interior valve pocket of main valve body that is communicated with outlet end, and then flow in the valve cup, medium in the valve pocket that is communicated with entrance point in the main valve body flows into space in the valve cup by the damping hole that is arranged on valve cup lower sides or valve cup bottom simultaneously, because the damping function of damping hole, the medium amount that flows into the valve cup is less than the medium amount that flows out the valve cup, cause the pressure medium in the valve cup to reduce, form the pressure difference that the valve cup is moved up, promote the valve cup and move up, and then the primary seal pair opened, medium is able to flow to outlet end from the entrance point of valve; After the Electrical heads outage, moving iron core and valve rod move down under the effect of Returnning spring and self gravitation, drive secondary valve seal sealing auxiliary-seat, cut off secondary valve medium channel, it is cumulative simultaneously to flow into the medium of valve cup by damping hole, causes the pressure medium in the valve cup to raise, behind pressure medium that the pressure medium in the valve cup is upwards pressed the valve cup greater than valve cup bottom and surface friction drag etc., the valve cup moves down, and main valve seat is sealed.
This class solenoid valve is in order to realize the flexible of opening and closing, require gap and the gap between moving iron core and the static iron core between valve cup and the steel bushing necessary little, therefore the ratio that the clean level of medium is required is higher, usually do not allow to contain in the medium fiber or particulate matter, otherwise it is stuck with valve cup and/or moving iron core that these fibers or particulate matter will enter above-mentioned gap, can't carry out the unlatching of valve or close.Therefore, existing this class solenoid valve can not be used for sewage and other contain the medium pipeline of fiber and/or particulate matter.In addition, the internal structure of these valves has determined that also it can only one-way sealing, is unsuitable for the occasion of transmitted in both directions medium.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of sewage electromagnetic valve, this solenoid valve can two-wayly use, good sealing effect, and allow to contain certain fiber and/or particulate matter in the medium, can be used for transmitting sewage or other similar media.
The present invention realizes that the technological scheme of above-mentioned purpose is:
A kind of sewage electromagnetic valve, comprise valve body and valve rod, be provided with slider in the valve pocket of described valve body, described slider is divided into described valve pocket the inner chamber that is positioned at slider and is positioned at the outer exocoel of slider, the described inner chamber of slider that is positioned at is communicated with valve export on the described valve body, the described outer exocoel of slider that is positioned at is communicated with valve inlet on the described valve body, the top of described slider and bottom are respectively equipped with upper valve base mounting hole and lower valve base mounting hole, adopt the mode of releasable connection that upper valve base and lower valve base are installed on described upper valve base mounting hole and the lower valve base mounting hole respectively, the bottom of described valve rod is positioned at described valve pocket, and be equipped with respectively with described upper valve base and lower valve base and form last black box and the lower seal assembly of going up sealing pair and lower seal pair, described spacing and the described upper valve base of going up between black box and the lower seal assembly equates with spacing between the lower valve base, the top of described valve body is provided with valve rod hole, described valve rod passes described valve rod hole and flexibly connects with described valve body, its upper end be positioned at described valve body above.
Working principle of the present invention is: the upper end of valve rod is connected with the drive unit of solenoid valve, driving valve rod by drive unit moves up and down, and then black box is gone up in drive and the lower seal component synchronization moves up and down, make upper and lower sealing pair close synchronously or unlatching thus, realize closing or opening of valve.
The invention has the beneficial effects as follows: because the Placement between upper and lower valve seat and each self-corresponding slider top and the bottom is releasable connection, upper and lower valve seat is independently part, be installed on the plunger tube again after can independently processing, not only can select to make it to be adapted to more the valve seat needs thus by suitable material, but also the processing that makes sealing surface is more simple and convenience, help to improve the machining accuracy of sealing surface, improve valve performance, cut down finished cost; Owing to cancelled the valve cup under the prior art, the micro-gap between valve cup and the valve glass holder has not existed, and has avoided thus blocking the problem that the valve cup causes valve to open or to close because of fiber or a thing; Because this sealing configuration allows to have certain fiber and particulate matter in the medium, therefore can be used for sewage or other similar mediums occasions; Because one of upper and lower black box is positioned at inner chamber one side (with respect to valve seat separately), another is positioned at exocoel one side, therefore generally speaking to the member formed by valve rod and upper and lower black box, as long as upper and lower valve seal assembly adopts identical structure and size with upper and lower valve seat, pressure medium from inner chamber and exocoel all may be cancelled out each other, the sealability of valve be not subjected to MEDIA FLOW to influence, people can be according to actual needs use this valve by any direction (MEDIA FLOW to); Because the valve rod upper end extends to the valve body outside, can carry out machinery, electromagnetism and/or the manual driven of this valve by the drive unit that connects any suitable, even can realize the combination of multiple driving mode by the appropriate design of drive unit, therefore have excellent adaptability.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the partial structurtes schematic representation of sealing pair of the present invention under opening state;
Fig. 3 is the partial structurtes schematic representation of sealing pair of the present invention when just closing;
Fig. 4 is that sealing pair of the present invention is at the structural representation of closing under a kind of state of back in stable closed condition transition;
Fig. 5 is the partial structurtes schematic representation of sealing pair of the present invention under stable closed condition.
Embodiment
Referring to Fig. 1, sewage electromagnetic valve provided by the invention comprises valve body 1 and valve rod 2, be provided with slider 3 in the valve pocket of described valve body, described slider is divided into described valve pocket the inner chamber that is positioned at slider and is positioned at the outer exocoel of slider, common described exocoel be enclosed in described slider around (except with part that the valve body entrance point is connected), wherein inner chamber is communicated with the outlet of valve, exocoel is communicated with the import of valve, the medium that flows into from import must be through the through hole on the last lower valve base on the slider from flowing to outlet thus, be respectively equipped with upper valve base mounting hole and lower valve base mounting hole on the top of described slider and the bottom, adopt the mode of releasable connection that upper valve base 5 and lower valve base 6 are installed on described upper valve base mounting hole and the lower valve base mounting hole respectively, usually this installation should be and is tightly connected, promptly should the medium channel that gap between each valve seat mounting hole hole wall and the respective valve seat constitutes be cut off by the suitable seal mode is set, in order to avoid close the back medium still can be flow to opposite side by these gaps by the valve pocket of valve seat one side valve pocket at sealing pair, the bottom of described valve rod is positioned at described valve pocket, valve rod pass described upper valve base mounting hole and lower valve base mounting hole and corresponding part be equipped with respectively with described upper valve base and lower valve base form sealing pair and lower seal pair on black box and lower seal assembly, usually described go up black box and lower seal assembly should be positioned at upper valve base mounting hole and lower valve base mounting hole below, contact the required sealing of formation throttle down with lower valve base by moving on the valve rod respectively at described upper valve base, described spacing and the described upper valve base of going up between black box and the lower seal assembly equates with spacing between the lower valve base, the top of described valve body is provided with valve rod hole, described valve rod passes described valve rod hole and flexibly connects with described valve body, its upper end be positioned at described valve body above.
Usually, described upper valve base mounting hole, lower valve base mounting hole, upper valve base and lower valve base should be coaxial, so as the valve rod of a direct rod shape install with coaxial described of these mounting holes and valve seat on black box and lower seal assembly, with simplified structure and operation.
The upper valve base level that can be provided with on the slider of described upper valve base mounting hole periphery is up installed end face, the lower valve base level that can be provided with on the slider of described lower valve base mounting hole periphery is down installed end face, the outer side surface of described upper valve base can be provided with described upper valve base mounting hole hole wall and described upper valve base level the shoulder 7 that end face matches is installed, described upper valve base can be fastened on described upper valve base level by screw by shoulder 7 and install on the end face, the outer side surface of described lower valve base can be provided with described lower valve base mounting hole hole wall and described lower valve base level the shoulder that end face matches is installed, and described lower valve base can be fastened on described lower valve base level by screw by the shoulder of lower valve base and install on the end face.
The inner edge that described upper valve base level is installed end face and described lower valve base level installation end face all can be provided with circular groove or the annular breach that is used to embed seal ring, and embedded being placed with of described circular groove or annular breach is used in respective valve seat and level the O-ring seals that seals between the end face being installed.
Described slider can be a part independently, its respective side walls is provided with the outlet end 4 of link to connect described valve body, and realize the import of described valve body and being communicated with of the described inner chamber that is positioned at slider by the through hole and the opening on the slider respective side walls of link, by welding or other are fixed and the Placement that seals is connected on the valve body of outlet end, described inner chamber is communicated with the medium channel (being the outlet of valve) of outlet end.Described slider also can adopt technology such as casting to make one with the valve body of described outlet end, and the main body of described valve body can be an integral body, also can be that two-part are tightly connected together mutually.
Mode of execution as a kind of practicality, described slider is made up of vertical duct and transversal tubular connecting body, described upper valve base mounting hole and lower valve base mounting hole are respectively the upper orifice and the lower nozzle of described vertical duct, the upper orifice end face and the lower nozzle end face of described vertical duct are the plane, constitute described upper valve base level respectively end face and described lower valve base level installation end face are installed, described transverse pipe one end connects the outlet end of described valve body, the other end connects described vertical duct, these connections should be the connection of sealing, to avoid since the joint do not seal and make inner chamber and exocoel not seal the position directly to be communicated with by these, the pore of described transverse pipe is communicated with respectively at the pore of described valve outlet and described vertical duct, forms the passage that is communicated with valve outlet on the described slider sidewall.
The upper and lower of described valve body can be respectively equipped with valve upper cover 8 and valve body lower cover 9, described valve rod hole is positioned on the described valve upper cover, described valve upper cover and valve body lower cover can adopt mode (for example fastening seal ring that adds of the screw) sealing of releasable connection to be installed on the main body of described valve body respectively, its size can be respectively greater than the size of described upper valve base and lower valve base.Therefore, open valve upper cover or valve body lower cover (or before valve upper cover and valve body lower cover do not install), can install or keep in repair described upper valve base and lower valve base easily, and go up black box and lower seal assembly.
On the described valve upper cover support 10 can be installed, described support is provided with center through hole, and described valve rod passes the center through hole of described support and flexibly connects with described support.
The part of described center through hole is with being provided with sealing between the described valve rod, to avoid the MEDIA FLOW mistake.
The part of described center through hole can be that the center through hole inboard of described support is provided with stuffing box with the sealing configuration between the described valve rod, fill filler in the described stuffing box, described filler surround and be pressed on described valve rod around, with the sealing of the gap between valve rod and the center through hole, stop the MEDIA FLOW mistake.The top of described filler can be provided with the gland nut that is screwed on the described center through hole, and can realize the adjusting of degree that filler is compressed by regulating gland nut.When the drive unit that connects when the valve rod upper end is Electrical heads, this sealing means can avoid medium to flow into Electrical heads, avoid that will to move iron core stuck because of the fiber in the medium and/or particulate matter enter micro-gap around the moving iron core, and the cost of this sealing is relatively low, life-span is longer relatively, and it is also comparatively convenient to safeguard.
Can also be provided with valve rod in the described support center through hole to the valve rod Returnning spring 11 that presses down, described valve rod Returnning spring preferably is enclosed within the helical spring on the valve rod, described helical spring upper end is connected with the spacing end face of spring on support or the support or contacts, the lower end is connected with the spacing end face of spring on valve rod or the valve rod or contacts, the spacing end face of described each spring can be respectively flange, the shoulder that is arranged on support and the valve rod or be connected support and valve rod on the respective horizontal end face of ring segment.
The central authorities of described valve body lower cover can be provided with leading pipe upwards, and described valve rod lower end is inserted in the described leading pipe, so that play guiding and position-limiting action when valve rod moves up and down.
Can be with setting sleeve 12 on the described valve rod, described setting sleeve is on described between black box and the lower seal assembly, its upper end is connected or contacts with described upward black box, the lower end is connected with described lower seal assembly or contacts, so that play the effect that limits spacing between the upper and lower black box, make things convenient for valve assembling and use.
Described upper valve base can adopt identical structure and size with lower valve base, the described black box of going up also can adopt identical structure and size with the lower seal assembly, not only can make things convenient for manufacturing thus, reduce the kind of part, but also can make the inner chamber medium opposite to pressure equal and opposite in direction, the direction of upper and lower black box, the exocoel medium is opposite to the pressure of upper and lower black box also equal and opposite in direction, direction.
Described go up black box and lower seal assembly preferably lay respectively at described upper valve base and lower valve base below, the valve rod then throttle down that moves up moves down then Open valve thus.
Described each valve seat all should be provided with sealing surface 16 usually, described sealing surface preferably is cone barrel type, usually all should be provided with the sealing basal plane relative with described sealing surface on the described black box, described sealing basal plane preferably is the cone barrel type corresponding with described sealing surface, and its middle part is provided with the cyclic spring projection.When under the drive of black box at valve rod with after valve seat pressure contacts, cyclic spring projection on its sealing basal plane produces deformation, close sealing surface on the valve seat and the gap between the sealing basal plane on the black box, realize the sealing between valve seat and the black box thus.The sealing surface of this awl tubular (basal plane) structure helps to improve sealing effect, improves the reliability of sealing.
Described each black box all can comprise Sealing 13 and Sealing pedestal, described Sealing is the awl tubular on the whole, its peripheral edge portion is O shape circle 17, inner margin portion is a circular orientation circle 18, intermediate portion is the awl tubular diaphragm 19 with described O shape is enclosed and the circular orientation circle connects as one, the top of described O shape circle leans out from described sealing basal plane, constitutes described cyclic spring projection.This seal configuration, part that is used for fixing in the Sealing and the part that is used for the deformation sealing are separated, circular orientation circle as standing part can be fixed firmly thus, by fixedly realization fixing to Sealing to this part, therefore not only help to guarantee the reliability that installs and fixes, but also can not influence elastic strain and sealability as the O shape of hermetic unit circle, simultaneously, between two standing parts and deformation hermetic unit, play the ring film of interconnect function and can realize two kinds of not transition of same-action, by under the securing situation firmly, give O shape circle certain displacement freedom at the circular orientation circle.
The rectangular rectangular loop of described circular orientation circle preferred cross-sections.
Described Sealing pedestal can be made up of mutual involutory seal seats 14 and seal plates 15, be positioned at the described seal seats of described Sealing pedestal periphery and the apposition position of seal plates and leave the gap, form the Sealing mounting groove of annular, the inside of described Sealing mounting groove should be adopted usually just with described circular orientation circle and clamping of cone barrel type diaphragm and securing shape, the outside of described Sealing mounting groove can be the rectangular opening slot in cross section, described opening slot is positioned at the middle part of described sealing basal plane, its degree of depth is less than the diameter of described O shape circle and the radius that encloses greater than described O shape, described Sealing embeds on described Sealing mounting groove, described rectangular loop and cone barrel type diaphragm are positioned at the inside of described Sealing mounting groove, described O shape circle is positioned at described opening slot, protrude in described opening slot outside at its top, constitutes described cyclic spring projection.
In the process of valve closing, black box valve seat to correspondence under the drive of valve rod moves, the O shape circle (both cyclic spring projectioies) that extends in opening slot outside after moving to a certain degree at first contact with the sealing surface of valve seat and along with moving gradually of black box is out of shape, close the gap between the sealing basal plane of the sealing surface of described valve seat and described black box, cut off the flow channel of medium, this state is solenoid valve closing state (referring to Fig. 3) just.Then, Sealing continues to move up under the drive of valve rod, the sealing basal plane of the sealing surface of described valve seat and described black box is in contact with one another, O shape circle is by the further extrusion-deformation of the sealing surface of valve seat, simultaneously because after the sealing basal plane of the sealing surface of described valve seat and described black box is in contact with one another, the micro-gap or the passage that still exist media such as water to pass through between the two, therefore, (direction of installing according to valve is different with valve pocket that entrance point connects, it can be inner chamber, also can be exocoel) in medium 20 under the pressure medium of entrance point, continuation is flowed to opening slot, in the gap of inflow between water inlet direction upper shed groove sidewall encloses with O shape, this gap comprises angular zone 21, connected region between following angular zone 22 and two zones forms the pressure (referring to Fig. 4) to O shape circle side.Through blink, O shape circle is flattened substantially at the convex portion of this side, even the cross section of O shape circle is squeezed into the shape (referring to Fig. 5) that is similar to rectangle.Improve seal pressure thus, improved the reliability of sealing.When pressure medium changed, seal pressure also increased along with the increase of pressure medium, had guaranteed that thus seal pressure is forever greater than the necessary specific pressure of sealing.Because the seal pressure of this sealing pair structure derives from the pressure medium (particularly for the higher medium of pressure) of entrance point to a great extent, no matter and medium from which direction is come, to the effect that seal pressure played all is the same, therefore can improve sealing effect effectively, improve the reliability of sealing, and can two-wayly use.
Because invention has the two way sealed ability, can two-way practicality, therefore any one interface end of valve may be used to outlet end or entrance point, therefore this specification only is for the facility on explaining when using " entrance point " or " outlet end " to describe structure of the present invention, does not constitute the qualification to the actual usage mode of relevant interface end, it is so-called entrance point in the valve body of the present invention, can connect inlet pipeline, also can connect outlet conduit, also be the same for outlet end.Similarly, this specification use " on ", when valve body structure is described in the word of statement directions such as D score, " end ", " top ", these direction words also only are for the facility on explaining, and do not constitute the qualification to actual service orientation.
Claims (10)
1. sewage electromagnetic valve, comprise valve body and valve rod, it is characterized in that being provided with slider in the valve pocket of described valve body, described slider is divided into described valve pocket the inner chamber that is positioned at slider and is positioned at the outer exocoel of slider, the described inner chamber of slider that is positioned at is communicated with valve export on the described valve body, the described outer exocoel of slider that is positioned at is communicated with valve inlet on the described valve body, the top of described slider and bottom are respectively equipped with upper valve base mounting hole and lower valve base mounting hole, adopt the mode of releasable connection that upper valve base and lower valve base are installed on described upper valve base mounting hole and the lower valve base mounting hole respectively, the bottom of described valve rod is positioned at described valve pocket, and be equipped with respectively with described upper valve base and lower valve base and form last black box and the lower seal assembly of going up sealing pair and lower seal pair, described spacing and the described upper valve base of going up between black box and the lower seal assembly equates with spacing between the lower valve base, the top of described valve body is provided with valve rod hole, described valve rod passes described valve rod hole and flexibly connects with described valve body, its upper end be positioned at described valve body above.
2. sewage electromagnetic valve as claimed in claim 1, the upper valve base level that the slider that it is characterized in that described upper valve base mounting hole periphery is provided with is up installed end face, the lower valve base level that the slider of described lower valve base mounting hole periphery is provided with is down installed end face, the outer side surface of described upper valve base is provided with described upper valve base mounting hole hole wall and described upper valve base level the shoulder that end face matches is installed, described upper valve base is fastened on described upper valve base level by its shoulder by screw and installs on the end face, the outer side surface of described lower valve base is provided with described lower valve base mounting hole hole wall and described lower valve base level the shoulder that end face matches is installed, and described lower valve base is fastened on described lower valve base level by its shoulder by screw and installs on the end face.
3. sewage electromagnetic valve as claimed in claim 2, it is characterized in that described upper valve base mounting hole, the lower valve base mounting hole, upper valve base and lower valve base are coaxial, described slider is made up of vertical duct and transversal tubular connecting body, described upper valve base mounting hole and lower valve base mounting hole are respectively the upper orifice and the lower nozzle of described vertical duct, the upper orifice end face and the lower nozzle end face of described vertical duct are the plane, constitute described upper valve base level respectively end face and described lower valve base level installation end face are installed, described transverse pipe one end connects the outlet end of described valve body, the other end connects described vertical duct, the pore of described transverse pipe is communicated with the pore of described valve outlet and described vertical duct respectively, forms the passage that is communicated with valve outlet on the described slider sidewall.
4. sewage electromagnetic valve as claimed in claim 1, the upper and lower that it is characterized in that described valve body is respectively equipped with valve upper cover and valve body lower cover, described valve rod hole is positioned on the described valve upper cover, described valve upper cover and valve body lower cover adopt the mode of releasable connection to seal on the main body that is installed in described valve body respectively, its size is respectively greater than the size of described upper valve base and lower valve base, described upper valve base adopts identical structure and size with lower valve base, and the described black box of going up also adopts identical structure and size with the lower seal assembly.
5. sewage electromagnetic valve as claimed in claim 4, it is characterized in that on the described valve upper cover support being installed, described support is provided with center through hole, described valve rod passes the center through hole of described support and flexibly connects with described support, the part of described center through hole is with being provided with sealing between the described valve rod, also be provided with valve rod in the described support center through hole to the valve rod Returnning spring that presses down, the inner edge that described upper valve base level is installed end face and described lower valve base level installation end face is equipped with circular groove or the annular breach that is used to embed seal ring, and embedded being placed with of described circular groove or annular breach is used in respective valve seat and level the O-ring seals that seals between the end face being installed.
6. sewage electromagnetic valve as claimed in claim 5, a part that it is characterized in that described center through hole is that the center through hole inboard of described support is provided with stuffing box with the sealing configuration between the described valve rod, fill filler in the described stuffing box, be provided with the gland nut that is screwed on the described center through hole above the described filler, be with setting sleeve on the described valve rod, described setting sleeve is on described between black box and the lower seal assembly, its upper end is connected or contacts with described upward black box, and the lower end is connected with described lower seal assembly or contacts.
7. as claim 1,2,3,4,5 or 6 described sewage electromagnetic valves, it is characterized in that described each valve seat is provided with sealing surface, described sealing surface is cone barrel type, described black box is provided with the sealing basal plane relative with described sealing surface, described sealing basal plane is the cone barrel type corresponding with described sealing surface, and its middle part is provided with the cyclic spring projection.
8. sewage electromagnetic valve as claimed in claim 7, it is characterized in that described each black box includes Sealing and Sealing pedestal, described Sealing is the awl tubular on the whole, its peripheral edge portion is O shape circle, inner margin portion is the circular orientation circle, intermediate portion is with the awl tubular diaphragm that described O shape is enclosed and the circular orientation circle connects as one, and the top of described O shape circle leans out from described sealing basal plane, constitutes described cyclic spring projection.
9. sewage electromagnetic valve as claimed in claim 8 is characterized in that described circular orientation circle is the rectangular rectangular loop in cross section.
10. sewage electromagnetic valve as claimed in claim 9, it is characterized in that described Sealing pedestal is made up of mutual involutory seal seats and seal plates, be positioned at the described seal seats of described Sealing pedestal periphery and the apposition position of seal plates and leave the gap, form the Sealing mounting groove of annular, adopt just with described circular orientation circle and clamping of cone barrel type diaphragm and securing shape the inside of described Sealing mounting groove, the outside is the rectangular opening slot in cross section, described opening slot is positioned at the middle part of described sealing basal plane, its degree of depth is less than the diameter of described O shape circle and the radius that encloses greater than described O shape, described Sealing embeds on described Sealing mounting groove, described rectangular loop and cone barrel type diaphragm are positioned at the inside of described Sealing mounting groove, described O shape circle is positioned at described opening slot, and protrude in described opening slot outside at its top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102352502A CN101672367B (en) | 2009-09-30 | 2009-09-30 | Sewage electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102352502A CN101672367B (en) | 2009-09-30 | 2009-09-30 | Sewage electromagnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101672367A CN101672367A (en) | 2010-03-17 |
| CN101672367B true CN101672367B (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102352502A Expired - Fee Related CN101672367B (en) | 2009-09-30 | 2009-09-30 | Sewage electromagnetic valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SE1500180A1 (en) * | 2015-04-14 | 2016-10-04 | Staccato Tech Ab | Valve Seat |
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| US5503185A (en) * | 1993-07-07 | 1996-04-02 | Pierburg Gmbh | Electromagnetic reversing valve |
| CN2451837Y (en) * | 2000-11-11 | 2001-10-03 | 林毕辉 | Electromagnetic valve |
| CN2531183Y (en) * | 2002-03-21 | 2003-01-15 | 浙江上正阀门有限公司 | Normal open magnetic valve |
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2009
- 2009-09-30 CN CN2009102352502A patent/CN101672367B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4241497A1 (en) * | 1992-12-09 | 1994-06-16 | Bosch Siemens Hausgeraete | Domestic dishwashing machine - performs check on function of pump which involves timing of intervals between start of pumping and operation of reed switch by permanent magnet in blocking valve |
| US5503185A (en) * | 1993-07-07 | 1996-04-02 | Pierburg Gmbh | Electromagnetic reversing valve |
| CN2451837Y (en) * | 2000-11-11 | 2001-10-03 | 林毕辉 | Electromagnetic valve |
| CN2531183Y (en) * | 2002-03-21 | 2003-01-15 | 浙江上正阀门有限公司 | Normal open magnetic valve |
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| CN101672367A (en) | 2010-03-17 |
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