CN201944292U - Electromagnetic driven two-directional sealing stop valve - Google Patents
Electromagnetic driven two-directional sealing stop valve Download PDFInfo
- Publication number
- CN201944292U CN201944292U CN2010202290311U CN201020229031U CN201944292U CN 201944292 U CN201944292 U CN 201944292U CN 2010202290311 U CN2010202290311 U CN 2010202290311U CN 201020229031 U CN201020229031 U CN 201020229031U CN 201944292 U CN201944292 U CN 201944292U
- Authority
- CN
- China
- Prior art keywords
- valve
- flap
- valve rod
- guide sleeve
- lumen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an electromagnetic driven two-directional sealing stop valve, which comprises a valve body and an electromagnetic head. The cavity of the valve body comprises a right cavity, a middle cavity and a left cavity. A valve seat is arranged between the left cavity and the middle cavity. The guide sleeve arranged in the middle cavity is equipped with an axial through hole penetrating from top to bottom and a distance is provided between the lower end of the guide sleeve and the valve seat. The periphery of the guide sleeve is connected with the sidewall of the middle cavity and the bottom of the guide sleeve is equipped with a sealing member. An assembly formed by the connection of the valve flap and the valve stem is equipped with a compression spring and the assembly is pressed down by the compression spring. The electromagnetic head comprises a coil, a magnetism isolating tube, a movable iron core and a static iron core. The coil is arranged inside the coil housing of the electromagnetic head. The lower end of the magnetism isolating tube is fixedly arranged on the magnetism isolating tube seat. The static iron core is arranged on the upper portion of the magnetism isolating tube and the movable iron core is arranged below the static iron core. The lower end of the movable iron core is connected with the valve stem. The electromagnetic driven two-directional sealing stop valve can be used in any direction, which is mainly used in the conveying system for various industrial fluid media.
Description
Technical field
The utility model relates to a kind of electromagnetism moving two to sealed stop valve, mainly can be used for the transporting system of various industrial fluids media.
Background technique
Referring to Fig. 2, have now and be used for a kind of solenoid valve of industrial occasions mainly by valve body, flap 30, guide sleeve 40.5, valve rod 50 and Electrical heads are formed, described Electrical heads is provided with moving iron core 63, static iron core 65 and coil 64 etc., described coil peripheral hardware has coil case, the central authorities of coil are provided with plunger tube 62, described static iron core is fixedly mounted on the top of plunger tube, moving iron core and plunger tube Spielpassung, so that move up and down, described plunger tube is fixed on the plunger tube seat 61, the plunger tube seat be fixedly mounted on valve body above, realized installing and fixing of Electrical heads thus, when coil electricity, coil case, static iron core, moving iron core, valve rod, plunger tube seat and the connection spring or the magnetic conductive part that are used to connect between plunger tube seat and the coil case have constituted field circuit, magnetic field is passed moving, gap between the static iron core, moving, produce suction between the static iron core, moving iron core moves up and then drives the valve rod Open valve, described valve body is made up of valve body main body 21 and the valve gap 22 that is installed on the valve body main body, be provided with in the described valve body by right chamber 15, lumen 12 and left chamber 11 are communicated with the cavity that forms successively, described cavity constitutes the main valve medium channel, described right chamber is the inducer of main valve medium channel, the right mouth of pipe through valve body connects inlet tube, described left chamber is the outlet section of main valve medium channel, the left mouth of pipe through valve body connects outer pipe, described lumen be positioned at described left chamber in section 11.1 top, the main valve seat 40.1 of level is installed between described lumen and the left chamber, described main valve seat is provided with the main valve seat sealing surface of annular, it is vertical that described guide sleeve is, be fixedly mounted in the described lumen, its part outer surface and described middle inner cavity surface cooperatively interact, and by modes such as corresponding sealing material or drive fit realize the sealing, described flap is cup-shaped, its bottom surface is provided with main valve Sealing 40.2, the bottom of its sidewall or its bottom are provided with damping hole, described damping hole be positioned at the main valve Sealing the outside, the medium that enters lumen thus just can enter cavity 13 in the described flap by described damping hole without the main valve sealing pair, the outer side surface of described flap is with the inner side surface Spielpassung of described guide sleeve, allow flap easy on and off under the qualification of guide sleeve to move thus, described main valve Sealing is relative up and down with sealing surface on the main valve seat, form the main valve sealing pair, in order at valve closing time sealing main valve medium channel, the bottom surface diameter of described flap is greater than the annular sealing surface diameter of described main valve seat, the medium that enters lumen thus can impose the part that exceeds the main valve seat sealing surface in the flap bottom surface and upward pressure, the inner end in described right chamber is communicated with described lumen from the right side of described lumen, the secondary valve seal pair that also is provided with secondary valve medium channel on the described valve body and is used to seal described secondary valve medium channel, one end of described secondary valve medium channel connects the top 15.1 of described lumen, the other end is communicated with described left chamber, described secondary valve seal pair is made up of secondary valve seal 40.4 and auxiliary-seat 40.3, described auxiliary-seat level is installed on the wall of described secondary valve medium channel, described secondary valve seal is installed in the lower end of valve rod, be positioned at the top of described auxiliary-seat, described valve rod is connected in the mode that allows described valve rod to move up and down with described valve body, the upper end of described valve rod can connect the moving iron core of Electrical heads, can drive by Electrical heads and move up the unlatching of realization valve.
During valve closing, the Electrical heads outage, moving, suction between the static iron core disappears, under effects such as spring pressure and deadweight, described valve rod and secondary valve seal together move down, touch sealing surface on the described auxiliary-seat until the sealing surface of described secondary valve seal, rely on that valve rod brings and/or the sealing surface on the secondary valve seal is pressed on together mutually with the sealing surface on the auxiliary-seat by the downward pressure (for example deadweight of valve rod) that its mode obtains, close secondary valve medium channel, at this moment the medium in the right chamber still can continue to flow into the cavity in the described flap by the damping hole on the flap, because secondary valve medium channel is closed, the medium that flows in the flap can't flow out, through certain hour, pressure medium in the cavity in the described flap increases to certain value, under the effect of pressure medium in flap and flap deadweight, flap moves down, touch sealing surface on the described main valve seat until the sealing surface of described main valve Sealing, seal described main valve medium channel, pressure medium in the flap can continue to raise subsequently, until with right chamber in the pressure medium balance, rely on this pressure medium, guaranteed the reliability and the validity of valve closing.
During valve opening, coil electricity, moving iron core is attracted to move up by static iron core, driving secondary valve seal by valve rod moves up, secondary valve seal and auxiliary-seat are separated from each other, open secondary valve medium channel, medium in the flap flows into left chamber through secondary valve medium channel, since the resistance of damping hole much larger than secondary valve medium channel resistance, pressure medium in the flap reduces gradually, after the pressure medium in the flap is reduced to a certain degree, flap overcomes deadweight under the effect of inside and outside pressure medium difference and moving resistance moves up, and main valve Sealing and main valve seat are separated from each other, and opens the main valve medium channel, thereafter flap can be stabilized under the equilibrium position, keeps the opening state of main valve medium channel.
The defective of this existing valve is unidirectionally to use.If the left mouth of pipe of valve is connected inlet pipeline, the medium that enters left chamber is divided into two-way, lead up to left chamber flow directly to main valve seat below, another road by the secondary valve medium channel that connects left chamber and connect flow to auxiliary-seat below, secondary valve seal imposed upward pressure, secondary valve seal is upwards pushed away, open auxiliary valve seal pair, medium flows into the interior space of flap through secondary valve medium channel, through certain hour, the pressure medium in the flap equates substantially with the pressure medium of flap below, flap can't be pressed to the main valve sealing seat, cause the main valve sealing pair to lose efficacy, the medium in chamber, a left side enters lumen through the center through hole of main valve seat, and then the outflow of right chamber, and the medium in the flap also can flow into right chamber by damping hole simultaneously, therefore connect under the situation of inlet pipeline at the left mouth of pipe, valve can't be closed effectively.
The model utility content
In order to address the above problem, the utility model provides a kind of electromagnetism moving two to sealed stop valve, and this solenoid valve can two-wayly use, and connects intake pipe with arbitrary mouth of pipe and can realize effectively and reliably closing.
The utility model realizes that the technological scheme of above-mentioned purpose is: a kind of electromagnetism moving two is to sealed stop valve, comprise Electrical heads, valve body, flap, guide sleeve and valve rod, described valve body is provided with by right chamber, the valve cavity that lumen and left chamber constitute, the inner end in described right chamber connects the side of the bottom of described lumen, described lumen be positioned at described left chamber in the section the top, its lower end is connected with section in the described left chamber, be provided with valve seat between described left chamber and the lumen, described guide sleeve is installed in the described lumen, leave distance between its lower end and the described valve seat, its part periphery is connected with the sidewall of described lumen, described flap is positioned at described lumen, be provided with the axial hole that penetrates up and down, the madial wall Spielpassung of its outer side wall and described guide sleeve, its bottom is equipped with Sealing, described valve seat and described Sealing are formed the sealing pair of valve, described valve seat is provided with the center through hole that is communicated with described lumen and left chamber, the lower end of described valve rod is connected with the upper end of described flap, the assembly that described flap and described valve rod are formed by connecting is furnished with it to the holddown spring that presses down, the outer end in described right chamber is the right mouth of pipe, the outer end in described left chamber is the left mouth of pipe, described Electrical heads comprises coil, plunger tube, moving iron core and static iron core, described coil is positioned at the coil case of Electrical heads, be provided with center through hole, a described plunger tube part is positioned at the mesopore of described coil, its lower ends downward is extended the mesopore of described coil, be fixedly mounted on the plunger tube seat, described static iron core is installed in the top of described plunger tube, described moving iron core is positioned at described static iron core below, the inner side surface Spielpassung of its outer side surface and described plunger tube, its lower end connects described valve rod, and described plunger tube seat is fixedly mounted on the top of described valve body.
Working principle of the present utility model is:
The utility model is by moving as on the Electrical heads actuate valve stem of driving mechanism, when valve opening, by Electrical heads energising back rotation, and then drive valve rod and move up and remain on certain superior displacement and put, make the disengagement of seal member valve seat, the opening encapsulation pair, difference according to the valve service orientation, medium can pass sealing pair and be flowed to right chamber or flowed to left chamber by right chamber by left chamber, no matter medium enters from right chamber or enters from left chamber, medium be full of basically flap around, active force to flap all is balance basically, rely on the power of driving mechanism valve rod can be maintained the enable possition, thus the unlatching of valve and opening state keep the influence that is not subjected to the valve service orientation.
During valve closing, the power that driving mechanism is applied on the valve rod disappears, valve rod and flap move down under effects such as holddown spring and deadweight, contact with sealing surface on the described valve seat until the sealing surface on the described Sealing, under the effect of holddown spring, the sealing surface of upper and lower Sealing is pressed on respectively on the sealing surface of upper and lower valve seat, closes medium channel.At this moment, if medium is to enter from right chamber, medium flows to the valve body lumen in the flap outside, flow to seal ring place between valve seat sealing pair place and flap and the guide sleeve, because the seal action of seal ring has stoped medium to continue along gap between flap and the guide sleeve to the upper reaches, simultaneously under the spring force effect, the flap band Sealing and is pressed on the valve seat, has stoped medium to continue from sealing pair to have realized closing of valve thus to dirty.If medium enters from left chamber, medium is through the axial hole of cavity of resorption and flap, the part lumen that flows into the inner chamber of flap and be positioned at the flap top, the sealing vice division chief of seal ring place and valve seat between medium arrival flap and the guide sleeve, because the seal action of seal ring, stoped medium to continue along the gap between flap and the guide sleeve to dirty chamber, simultaneously under the spring force effect, the flap band Sealing and is pressed on the valve seat, stoped medium to continue to have realized closing of valve thus from sealing secondary flow upper reaches.On the other hand, no matter medium enters from left chamber or enters from right chamber, its to flap downwards and the active force that makes progress equate or equal substantially, so valve close the influence that also is not subjected to the valve service orientation of keeping with closed condition.
The beneficial effects of the utility model are: the opening and closing of valve are not subjected to the influence of service orientation, therefore can use by any direction.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is to the structural representation of background technique.
Embodiment
Referring to Fig. 1, the electromagnetism that this practicality provides moving two comprises Electrical heads and two major components of valve body to sealed stop valve, wherein said Electrical heads is provided with moving iron core 63, static iron core 65 and coil 64 etc., described coil peripheral hardware has coil case 66, the central authorities of coil are provided with plunger tube 62, described static iron core is fixedly mounted on the top of plunger tube, moving iron core and plunger tube Spielpassung, so that move up and down, described plunger tube is fixed on the plunger tube seat 61, the plunger tube seat be fixedly mounted on valve body above, realized installing and fixing of Electrical heads thus.For forming complete magnetic loop, can make described plunger tube seat directly connect described coil case according to prior art, perhaps connect described coil case connection by connecting spring or other magnetic conductive parts.When coil electricity, coil case, static iron core, moving iron core, valve rod, plunger tube seat and the connection spring or the magnetic conductive part that are used to connect between plunger tube seat and the coil case have constituted field circuit, the gap between the dynamic and static iron core is passed in magnetic field, produce suction between dynamic and static iron core, moving iron core moves up and then drives the valve rod Open valve.Can be provided with seal ring between described valve gap and the described plunger tube seat, the pore of described plunger tube is communicated with the top of described lumen, the shell welding and the sealing of described plunger tube top and described coil.
Described valve body comprises valve body, flap 30, guide sleeve 40.5 and valve rod 50, described valve body is provided with by right chamber 15, the valve cavity that lumen 12 and left chamber 11 constitute, the inner end in described right chamber connects the side of the bottom of described lumen, described lumen is positioned at the top of section 11.1 in the described left chamber, its lower end is connected with section in the described left chamber, be provided with valve seat 40.1 between described left chamber and the lumen, described guide sleeve is installed in the described lumen, leave distance between its lower end and the valve seat, its part periphery is connected with the sidewall of described lumen, described flap is positioned at described lumen, the madial wall Spielpassung of its outer side wall and described guide sleeve, described flap is provided with the axial hole 33 that penetrates up and down, its bottom is equipped with Sealing 40.2, described valve seat and described Sealing are formed the sealing pair of valve, described valve seat is provided with the center through hole that is communicated with described lumen and left chamber, the lower end of described valve rod is connected with the upper end of described flap, the assembly that described flap and described valve rod are formed by connecting is furnished with it to the holddown spring 55 that presses down, the outer end in described right chamber is the right mouth of pipe, and the outer end in described left chamber is the left mouth of pipe.During work, medium enters valve cavity by a mouth of pipe, passes the axial hole of valve seat, flow out by another mouth of pipe again, and when Sealing moves down this axial hole of sealing, valve closing.
The helical spring of described holddown spring preferred compressed state, this spring is easy to use, efficient height, and good reliability.Described helical spring upper end withstands on the described valve seat or withstands on on the fixedly connected part of described valve seat, and the lower end withstands on the described flap or withstands on on the fixedly connected part of described flap, so that apply downward pressure to flap.
Usually can be provided with by the extended lateral partitions 23 of valve interior wall between the section in described lumen and the described left chamber, described lateral partitions is provided with the axial hole that penetrates up and down, described valve seat is fixedly mounted on the described lateral partitions or described valve seat is made of described lateral partitions, and the described center through hole that is installed in the valve seat on the lateral partitions is coaxial with the axial hole of described lateral partitions.
When described valve seat is mounted on the described lateral partitions one independently during part, can be fixed and be installed in hermetically on the described lateral partitions by modes such as bonding, welding, should be positioned at usually described lateral partitions axial hole around.
Sealing surface on the described valve seat can be according to prior art or other suitable way settings arbitrarily, for example can be setting-in and the corresponding sealing surface that is welded on the valve base seal on the described valve seat, also can adopt first sealed material layers of corresponding site formation of mode such as built-up welding, process the sealing surface of suitable shape again by modes such as machinings with corresponding hardness at valve seat.
When described valve seat is made of described lateral partitions, the structure of valve seat is set on the promptly described lateral partitions, and on this valve seat construction the corresponding valve base seal of setting-in or process the sealing surface of suitable shape by above-mentioned built-up welding and mach mode.
The lower end of described flap can be provided with the lower protruding edge 43 of an annular usually, the diameter of described lower protruding edge is greater than the diameter of the sealing surface of described valve seat, its bottom surface constitutes the part of described flap bottom surface, thus the flap bottom surface of Xing Chenging can setting-in the above Sealing, and guarantee that the sealing surface on the described Sealing can be supporting with the sealing surface on the described valve seat just.
The bottom of described flap can be provided with a central screw usually, be connected with a hold-down bolt 32 that is provided with center through hole 33.1 on the described central screw, be with one or more ring segments 31 on the described hold-down bolt, the external diameter of described ring segment is greater than the internal diameter of described Sealing and less than the external diameter of described Sealing, the inner circumference edge regions of described Sealing is pushed down the Sealing that secures the above thus.Under this structure, the center through hole of described bolt constitutes the part of the axial hole of described flap.
The outer side wall of described guide sleeve is provided with a plurality of ring platforms that extend radially outwardly, two ring platforms 48,46 for example shown in Figure 1, one of them ring platform 48 (normally being positioned at uppermost that ring platform) is positioned at the top of described guide sleeve, the described cylindrical that respectively encircles platform match with the sidewall of described lumen (can be transition fit, Spielpassung or other fit systems that is suitable for assembling usually), the cylindrical of these ring platforms constitutes the part periphery that is connected with the sidewall of described lumen on the described guide sleeve, realizes the connection of the sidewall of described guide sleeve with the sidewall of lumen thus.
Can be provided with down axial locating shoulder on the sidewall of described lumen, be positioned in a plurality of ring platforms on the outer side wall of described guide sleeve and can be provided with the last locating shoulder that docks with described locating shoulder down on the nethermost ring platform 46, described guide sleeve is in contact with one another and pushes to being displaced downwardly to the described end face of spacing shoulder up and down, realized the axially locating of guide sleeve thus.
Be positioned in a plurality of ring platforms on the outer side wall of described guide sleeve on the cylindrical of ring platform on top of described guide sleeve and can be provided with seal ring, to realize that guide sleeve is with the sealing between the valve interior wall.
The mode that the lower end of described valve rod connects the upper end of described flap can be: the top of the axial hole of described flap is provided with a valve rod fixing bottom-plate 44 and a valve rod clamping sleeve 45, described valve rod clamping sleeve is down cup-shaped, be positioned at the top of described valve rod fixing bottom-plate, be equipped with the medium through hole that penetrates up and down on the described valve rod fixing bottom-plate He on the described valve rod clamping sleeve, so that medium is flowed to the top 12.1 of described lumen by the bottom of described lumen by these medium through hole.Also be provided with the stem through-hole that is positioned at central authorities on the described valve rod clamping sleeve, described valve rod passes the stem through-hole on the described valve rod clamping sleeve, the lower end of described valve rod is the head 55.1 of valve rod, extend in the described clamping sleeve, its maximum transverse size is greater than the size of the stem through-hole on the described clamping sleeve, the head of described valve rod can be limited between described valve rod clamping sleeve and the valve rod fixing bottom-plate thus, realize that valve rod is with the connection between the flap.
The head of described valve rod usually can spherical in shape or elliposoidal.
Can be provided with valve rod fixing bottom-plate locating shoulder in the through hole of described flap, thus, described valve rod fixing bottom-plate can be by described valve rod fixing bottom-plate locating shoulder axially locating.By screw mode or other suitable parts described valve rod clamping sleeve is compressed downwards, just can realize axially locating and fixing described valve rod fixing bottom-plate and described valve rod clamping sleeve.
Described valve body can be made up of valve body main body 21 and the valve gap 22 that is installed on the described valve body main body usually, so that processing and assembling.Described valve gap can be disk-shaped, and the bottom surface is provided with the column-shaped projection of downward extension.The periphery of described valve gap can adopt flange arrangement 47, so that connect with the flange on the valve body main body.The centre of described valve gap can be provided with axial hole, so that described valve rod passes and can form the part of the upper space of described lumen.The top of described valve body main body is connecting part 56, in a tubular form, the top is provided with the flange that is used to connect described valve gap, the column-shaped projection of described valve body is inserted in the connecting part of described valve body main body, its lower end surface contacts with the upper-end surface of described guide sleeve, so that push down described guide sleeve downwards, described guide sleeve is fixed.
Can be provided with seal ring between described valve gap and the valve body main body, to realize the sealing in gap between the two, an optimum position of described seal ring can be the top of circle in the described connecting part, with convenient installation the when guaranteeing sealing effect.
Can be provided with between the outer side wall of described flap and the madial wall of described guide sleeve one or more be installed on the described flap outer side wall or be installed in seal ring on the described guide sleeve madial wall, usually can be 0 type circle, to realize the sealing in gap between flap and the guide sleeve, avoid medium to pass, according to fit system between the two, also can adopt other modes to carry out between the two sealing.
The pore of described plunger tube can be communicated with the top of described lumen, between described valve gap and the described plunger tube seat, described plunger tube all can be provided with seal ring with the gap location between the plunger tube seat, to close corresponding gap, avoids medium to reveal.
The top of described plunger tube can be welded with the shell of described coil and sealing, has not only realized the installation of plunger tube thus, has also closed the pore upper end of magnetic shield, avoids MEDIA FLOW to go into the coil region.
Relate to described Electrical heads other installation features on valve gap, can be according to prior art.
Be understandable that, according to the requirement that prevents that medium from revealing, can also according to prior art between other corresponding fitting surfaces or other suitable position sealing materials such as seal ring are set, to realize sealing.
The word in statement orientation such as " left side " that relates in this specification and " right side ", just to the facility of explaining, different orientation is made a distinction, be not used in the true bearing that limits the valve corresponding construction, also being not used in and limiting corresponding mutually " left side ", " right side " must be opposite both direction.
Claims (10)
1. an electromagnetism moving two is to sealed stop valve, comprise Electrical heads, valve body, flap, guide sleeve and valve rod, described valve body is provided with by right chamber, the valve cavity that lumen and left chamber constitute, the inner end in described right chamber connects the side of the bottom of described lumen, described lumen be positioned at described left chamber in the section the top, its lower end is connected with section in the described left chamber, be provided with valve seat between described left chamber and the lumen, described guide sleeve is installed in the described lumen, leave distance between its lower end and the described valve seat, its part periphery is connected with the sidewall of described lumen, it is characterized in that described flap is positioned at described lumen, be provided with the axial hole that penetrates up and down, the madial wall Spielpassung of its outer side wall and described guide sleeve, its bottom is equipped with Sealing, described valve seat and described Sealing are formed the sealing pair of valve, described valve seat is provided with the center through hole that is communicated with described lumen and left chamber, the lower end of described valve rod is connected with the upper end of described flap, the assembly that described flap and described valve rod are formed by connecting is furnished with it to the holddown spring that presses down, the outer end in described right chamber is the right mouth of pipe, the outer end in described left chamber is the left mouth of pipe, described Electrical heads comprises coil, plunger tube, moving iron core and static iron core, described coil is positioned at the coil case of Electrical heads, be provided with center through hole, a described plunger tube part is positioned at the mesopore of described coil, its lower ends downward is extended the mesopore of described coil, be fixedly mounted on the plunger tube seat, described static iron core is installed in the top of described plunger tube, described moving iron core is positioned at described static iron core below, the inner side surface Spielpassung of its outer side surface and described plunger tube, its lower end connects described valve rod, and described plunger tube seat is fixedly mounted on the top of described valve body.
2. electromagnetism as claimed in claim 1 moving two is to sealed stop valve, it is characterized in that described holddown spring is the helical spring of compressive state, its upper end withstands on the described valve seat or withstands on on the fixedly connected part of described valve seat, and the lower end withstands on the described flap or withstands on on the fixedly connected part of described flap.
3. electromagnetism as claimed in claim 2 moving two is to sealed stop valve, it is characterized in that being provided with by the extended lateral partitions of valve interior wall between the section in described lumen and the described left chamber, described lateral partitions is provided with the axial hole that penetrates up and down, described valve seat is fixedly mounted on the described lateral partitions or described valve seat is made of described lateral partitions, and the described center through hole that is installed in the valve seat on the lateral partitions is coaxial with the axial hole of described lateral partitions.
4. electromagnetism as claimed in claim 3 moving two is to sealed stop valve, it is characterized in that the lower end of described flap is provided with the lower protruding edge of an annular, the diameter of described lower protruding edge is greater than the diameter of the sealing surface of described valve seat, and its bottom surface constitutes the part of described flap bottom surface.
5. electromagnetism as claimed in claim 4 moving two is to sealed stop valve, the bottom that it is characterized in that described flap is provided with a central screw, be connected with a hold-down bolt that is provided with center through hole on the described central screw, be with one or more ring segments on the described hold-down bolt, the external diameter of described ring segment is greater than the internal diameter of described Sealing and less than the external diameter of described Sealing, the inner circumference edge regions of described Sealing is pushed down, and the center through hole of described bolt constitutes the part of the axial hole of described flap.
6. electromagnetism as claimed in claim 5 moving two is to sealed stop valve, the outer side wall that it is characterized in that described guide sleeve is provided with a plurality of ring platforms that extend radially outwardly, one of them ring platform is positioned at the top of described guide sleeve, the described cylindrical that respectively encircles platform matches with the sidewall of described lumen, constitutes the part periphery that is connected with the sidewall of described lumen on the described guide sleeve.
7. electromagnetism as claimed in claim 6 moving two is to sealed stop valve, the sidewall that it is characterized in that described lumen is provided with down axial locating shoulder, be positioned at nethermost ring platform in a plurality of ring platforms on the outer side wall of described guide sleeve and be provided with the last locating shoulder that docks with described down locating shoulder, the cylindrical of ring platform that is positioned at the top of described guide sleeve in a plurality of ring platforms on the outer side wall of described guide sleeve is provided with seal ring.
8. electromagnetism as claimed in claim 7 moving two is to sealed stop valve, the mode that the lower end that it is characterized in that described valve rod connects the upper end of described flap is: the top of the axial hole of described flap is provided with a valve rod fixing bottom-plate and a valve rod clamping sleeve, described valve rod clamping sleeve is down cup-shaped, be positioned at the top of described valve rod fixing bottom-plate, be equipped with the medium through hole that penetrates up and down on the described valve rod fixing bottom-plate He on the described valve rod clamping sleeve, also be provided with the stem through-hole that is positioned at central authorities on the described valve rod clamping sleeve, described valve rod passes the stem through-hole on the described valve rod clamping sleeve, the lower end of described valve rod is the head of valve rod, extend in the described clamping sleeve, its maximum transverse size is greater than the size of the stem through-hole on the described clamping sleeve, be provided with valve rod fixing bottom-plate locating shoulder in the through hole of described flap, described valve rod fixing bottom-plate is by described valve rod fixing bottom-plate locating shoulder axially locating.
9. electromagnetism as claimed in claim 8 moving two is to sealed stop valve, it is characterized in that described valve body is made up of valve body main body and the valve gap that is installed on the described valve body main body, described valve gap is disk-shaped, the bottom surface is provided with the column-shaped projection of downward extension, periphery adopts flange arrangement, the centre is provided with axial hole, the top of described valve body main body is the connecting part, in a tubular form, the top is provided with the flange that is used to connect described valve gap, the column-shaped projection of described valve body is inserted in the connecting part of described valve body main body, and its lower end surface contacts with the upper-end surface of described guide sleeve, is provided with seal ring between described valve gap and the valve body main body.
10. electromagnetism as claimed in claim 9 moving two is to sealed stop valve, it is characterized in that being provided with between the madial wall of the outer side wall of described flap and described guide sleeve and one or morely be installed on the described flap outer side wall or be installed in seal ring on the described guide sleeve madial wall, also be provided with seal ring between described valve gap and the described plunger tube seat, the pore of described plunger tube is communicated with the upper end of described lumen, the shell welding and the sealing of described plunger tube top and described coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202290311U CN201944292U (en) | 2010-06-18 | 2010-06-18 | Electromagnetic driven two-directional sealing stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202290311U CN201944292U (en) | 2010-06-18 | 2010-06-18 | Electromagnetic driven two-directional sealing stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201944292U true CN201944292U (en) | 2011-08-24 |
Family
ID=44471635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202290311U Expired - Fee Related CN201944292U (en) | 2010-06-18 | 2010-06-18 | Electromagnetic driven two-directional sealing stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201944292U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980443A (en) * | 2018-08-29 | 2018-12-11 | 陈国顺 | High-temperature electromagnetic drives shut-off valve |
| CN110906042A (en) * | 2018-09-17 | 2020-03-24 | 浙江三花制冷集团有限公司 | Electromagnetic valve |
| CN113154062A (en) * | 2021-04-08 | 2021-07-23 | 上海空间推进研究所 | Stepped sealing structure and valve body structure suitable for large pressure span |
| CN113266697A (en) * | 2021-06-29 | 2021-08-17 | 浙江中孚流体机械有限公司 | Bellows solenoid valve convenient to switch |
-
2010
- 2010-06-18 CN CN2010202290311U patent/CN201944292U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980443A (en) * | 2018-08-29 | 2018-12-11 | 陈国顺 | High-temperature electromagnetic drives shut-off valve |
| CN108980443B (en) * | 2018-08-29 | 2019-08-09 | 陈国顺 | High-temperature electromagnetic drives shut-off valve |
| CN110906042A (en) * | 2018-09-17 | 2020-03-24 | 浙江三花制冷集团有限公司 | Electromagnetic valve |
| CN113154062A (en) * | 2021-04-08 | 2021-07-23 | 上海空间推进研究所 | Stepped sealing structure and valve body structure suitable for large pressure span |
| CN113154062B (en) * | 2021-04-08 | 2022-09-13 | 上海空间推进研究所 | Stepped sealing structure and valve body structure suitable for large pressure span |
| CN113266697A (en) * | 2021-06-29 | 2021-08-17 | 浙江中孚流体机械有限公司 | Bellows solenoid valve convenient to switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201944292U (en) | Electromagnetic driven two-directional sealing stop valve | |
| CN103185150B (en) | Electromagnetic valve | |
| CN101858440B (en) | Two-way electromagnetic valve | |
| CN106641398B (en) | Large-caliber pilot unloading type electromagnetic valve | |
| CN103629415A (en) | Movable iron core assembly and electromagnetic valve using same | |
| CN102770628A (en) | Oil control valve for the variable valve lift system | |
| US7690625B2 (en) | Valve comprising a magnetic control device | |
| CN205388179U (en) | High -frequency proportion solenoid valve | |
| CN101687495A (en) | Solenoid valve | |
| JPH02500394A (en) | pressure regulator | |
| CN110285234B (en) | Pressure balance type two-position three-way electromagnetic valve | |
| CN103968136B (en) | A kind of magnetic valve | |
| CN203348561U (en) | Rapid opening and closing valve | |
| CN208397378U (en) | A kind of pressure reducing valve | |
| CN204327992U (en) | A kind of explosion-proof guide electromagnetic valve | |
| CN105650329A (en) | Ultrahigh-pressure large-caliber electromagnetic valve | |
| CN102606788A (en) | Electromagnetic valve and mounting method thereof | |
| CN106989197B (en) | Pilot valve body structure and pilot electromagnetic pneumatic valve | |
| CN108980428A (en) | Air compressor machine in-line relief valve | |
| CN201751637U (en) | Electro-magnetic two-way sealing stop valve | |
| CN208651723U (en) | Vibration proof pilot operated safety valve | |
| CN101858439B (en) | Two-way solenoid valve | |
| CN208634459U (en) | A kind of gas ratio valve | |
| CN201588944U (en) | Pilot-operated electromagnetic valve | |
| CN202381808U (en) | Small-diameter electromagnetic valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20140618 |
|
| EXPY | Termination of patent right or utility model |