CN105757334B - Electrical valve movable sealing structure and its electrical valve - Google Patents

Electrical valve movable sealing structure and its electrical valve Download PDF

Info

Publication number
CN105757334B
CN105757334B CN201610302131.4A CN201610302131A CN105757334B CN 105757334 B CN105757334 B CN 105757334B CN 201610302131 A CN201610302131 A CN 201610302131A CN 105757334 B CN105757334 B CN 105757334B
Authority
CN
China
Prior art keywords
valve
sealing gasket
core assembly
elastic sealing
partition means
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.)
Active
Application number
CN201610302131.4A
Other languages
Chinese (zh)
Other versions
CN105757334A (en
Inventor
柯建豪
郑礼华
邢文亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiaxing Keao Electromagnetic Technology Co Ltd
Original Assignee
Jiaxing Keao Electromagnetic Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiaxing Keao Electromagnetic Technology Co Ltd filed Critical Jiaxing Keao Electromagnetic Technology Co Ltd
Priority to CN201610302131.4A priority Critical patent/CN105757334B/en
Publication of CN105757334A publication Critical patent/CN105757334A/en
Application granted granted Critical
Publication of CN105757334B publication Critical patent/CN105757334B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F16K41/00—Spindle sealings
    • F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
    • F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing
    • 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
    • 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
    • F16K1/46—Attachment of sealing rings
    • 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
    • F16K1/48—Attaching valve members to screw-spindles
    • F16K1/482—Attaching valve members to screw-spindles with a collar on the spindle or a groove in the spindle, by which a fixing element is supported, the spindle reaching into the valve member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

The invention discloses electrical valve movable sealing structure, including valve body, fixed partition means, core assembly and elastic sealing gasket.Valve body has entrance, outlet and valve pocket；Fixed partition means are arranged in valve pocket, and valve pocket is divided into the electric chamber and fluid cavity above and below fixed partition means respectively；Valve port is provided with fluid cavity.Core assembly can move between open position and closed position, and core assembly includes valve rod.Elastic sealing gasket is arranged in fluid cavity；Valve rod passes through the central through hole of fixed partition means and elastic sealing gasket.The outer peripheral edge of elastic sealing gasket and inner peripheral are individually fixed in inside and the valve rod of fluid cavity, and when core assembly moves between open position and closed position, superjacent air space and the underlying space of elastic sealing gasket seal against each other.The invention also discloses the electrical valve for including above-mentioned movable sealing structure.The present invention can realize reliable dynamic sealing between the central through hole and valve rod of the fixed partition means of electrical valve.

Description

Electrical valve movable sealing structure and its electrical valve
Technical field
The present invention relates to electrical valve movable sealing structure and its electrical valve.
Background technology
Traditional sealing means include the modes such as O-ring sealing, sealing strip sealing, sealing gasket sealing, gluing sealing.It is O-shaped Circle sealing is usually to design corresponding groove on some face for needing to seal with sealing strip sealing, by O-ring or sealing strip It is disposed therein, ensures to seal by the elastic deformation of O-ring or sealing strip.O-ring sealing means and sealing strip sealing side The application of formula is the most universal, but due to needing to design specific groove structure, causes both sealing means applied to sky Between size narrow and small component of machine when certain difficulty be present；In addition, both sealing means also exist it is close under the conditions of dynamic sealing Leakage hidden danger after seal wear.Fig. 1 shows that existing O-ring sealing structure is applied to the schematic diagram of dynamic sealing occasion.Such as Shown in Fig. 1, O-ring 91 is embedded in the annular groove 921 of axle 92, and axle 92 is in housing 93 along the double-head arrow direction shown in Fig. 1 Move back and forth, O-ring 91 also follows axle 92 to move together, and the time one, which is grown, easily causes O-ring 91 to wear, so as to cause shell Fluid 94 inside body 93 is revealed.Two face pressures tight rubber blanket, composite material gasket or the band that sealing gasket sealing is sealed by needs The pad for having metallic framework realizes isolating seal, is typically only applicable to static seal.Gluing sealing is generally used for static seal, Er Qieyin Pollution hidden trouble be present and be restricted on application scenario.
The content of the invention
The technical problems to be solved by the invention in provide it is a kind of can be in the fixed partition means in electrical valve The movable sealing structure of reliable dynamic sealing is realized between heart through hole and valve rod.
Further technical problem to be solved by this invention is to provide a kind of electric valve using the movable sealing structure Door.
In order to solve the above technical problems, the embodiment of the present invention provides electrical valve movable sealing structure, including valve body, fixation point Every part and core assembly；Valve body has entrance, outlet and valve pocket；Fixed partition means are arranged in valve pocket, by valve pocket point The electric chamber and the fluid cavity below the fixed partition means being divided into above the fixed partition means；In fluid cavity Provided with by the valve port of entrance and outlet；Fixed partition means have central through hole；Core assembly can be in open position with closing Along the axial movement of valve body between closed position, when core assembly is in the open position, valve port is opened, and is in core assembly During closed position, core assembly closes valve port；Core assembly includes valve rod；Wherein, electrical valve movable sealing structure also includes Elastic sealing gasket, elastic sealing gasket are arranged in fluid cavity, and the lower section of the central through hole positioned at fixed partition means；Elasticity is close Packing has central through hole；Valve rod passes through the central through hole of fixed partition means and elastic sealing gasket, the top and bottom of valve rod It is respectively protruding into electric chamber and fluid cavity；The outer peripheral edge of elastic sealing gasket and inner peripheral are individually fixed in inside and the valve of fluid cavity Bar, and when core assembly moves between open position and closed position, the inner peripheral of elastic sealing gasket follows valve rod together Mobile, the space above elastic sealing gasket and the space below elastic sealing gasket seal against each other.
The invention also discloses a kind of electrical valve, the electrical valve includes above-mentioned electrical valve movable sealing structure.
One of at least up to following beneficial effect of the present invention：
The movable sealing structure of the embodiment of the present invention is provided with below the central through hole of the fixed partition means of electrical valve Elastic sealing gasket, when core assembly moves between open position and closed position, space and bullet above elastic sealing gasket Property sealing gasket below space remain and seal against each other, therefore can prevent liquid from the central through holes of fixed partition means with Space between valve rod is entered in the electric chamber of electrical valve.When core assembly moves, elastic sealing gasket can occur therewith Elastic deformation, but elastic sealing gasket will not produce any fricting movement in motion process with core assembly, so bullet is not present Property sealing gasket wear problem, so as to being realized more between the central through hole and valve rod of the fixed partition means of electrical valve Reliable dynamic sealing.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment Accompanying drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these accompanying drawings His accompanying drawing.
Fig. 1 shows that existing O-ring sealing structure is applied to the schematic diagram of dynamic sealing occasion；
Fig. 2 shows the cross-sectional view of electrical valve movable sealing structure according to an embodiment of the invention, wherein, Core assembly is in the open position；
Fig. 3 shows Fig. 2 close-up schematic view；
Fig. 4 shows the cross-sectional view of electrical valve movable sealing structure according to an embodiment of the invention, wherein, Core assembly is in the closed position；
Fig. 5 is that the valve disc in Fig. 2 makes the cross-sectional view after further improving；
Fig. 6 shows the diagrammatic cross-section of elastic sealing gasket according to an embodiment of the invention.
Embodiment
Further explanation is made to the present invention below in conjunction with the accompanying drawings.
Fig. 2 shows the cross-sectional view of electrical valve movable sealing structure according to an embodiment of the invention, wherein Core assembly is in the open position；Fig. 3 shows Fig. 2 close-up schematic view；Fig. 4 is shown according to one embodiment of the invention Electrical valve movable sealing structure cross-sectional view, wherein core assembly is in the closed position.Fig. 2 to Fig. 4 is refer to, Electrical valve movable sealing structure according to an embodiment of the invention, including valve body 1, fixed partition means 2, core assembly and elasticity Sealing gasket 4.
Valve body 1 has entrance 11, outlet 12 and valve pocket 10.Fixed partition means 2 are arranged in valve pocket 10, by valve pocket 10 It is divided into the electric chamber 10a and the fluid cavity 10b positioned at the lower section of fixed partition means 2 positioned at the top of fixed partition means 2.Stream The valve port 13 for connecting entrance 11 with outlet 12 is provided with body cavity 10b.The upward arrow of sensing valve port 13 shown in Fig. 2 and Fig. 4 Head represents the liquid flow direction in fluid cavity 10b.Fixed partition means 2 have central through hole 20.Shown in Fig. 2 to Fig. 4 In embodiment, fixed partition means 2 are independent part, it will be understood by those skilled in the art that fixed partition means 2 can also be with Valve body 1 is integrally formed.
Core assembly can be in and open between open position and closed position along the axial movement of valve body 1 in core assembly When opening position, valve port 13 is opened, and is flowed into the liquid of entrance 11 and can be entered outlet 12；It is in the closed position in core assembly When, core assembly closes valve port 13, so as to prevent the liquid in entrance 11 from flowing to outlet 12.
In the embodiment shown in Fig. 2 to Fig. 4, core assembly includes valve rod 31 and valve disc 32.Valve disc 32 is fixed on valve rod 31 lower end, the bottom surface of valve disc 32 are provided with annular groove 33, are embedded with sealing ring 81 in annular groove 33, and sealing ring 81 is partly Protrude from the bottom surface of valve disc 32.Sealing surface 14 is provided with around valve port 13.It is as shown in figure 4, in the closed position in core assembly When, sealing ring 81 contradicts sealing surface 14, to realize the closing to valve port 13.In other embodiments, valve disc 32 can be also not provided with, But rely on the direct close port 13 in lower end of valve rod 31.
Fig. 5 is that the valve disc in Fig. 2 makes the cross-sectional view after further improving.Annular groove 33 in Fig. 2 is U-shaped Groove, U-type groove can cause sealing ring 81 when bearing dynamic fluid scouring in the presence of the risk to drop.And in another embodiment In, as shown in figure 5, the annular groove being arranged on the bottom surface of valve disc 32 can be annular dovetail slot 33a, sealing ring 81 is embedded in the annular In dovetail groove 33a, and partly protrude from the bottom surface of valve disc 32.Because annular dovetail slot 33a A/F L1 is less than its bottom Portion width L2, therefore can prevent sealing ring 81 from being dropped when bearing dynamic fluid scouring out of annular dovetail slot 33a.
Elastic sealing gasket 4 is arranged in fluid cavity 10b, and the lower section of the central through hole 20 positioned at fixed partition means 2.Bullet Property sealing gasket 4 has central through hole 40.Valve rod 31 is passed through in the central through hole 20 and elastic sealing gasket 4 of fixed partition means 2 Heart through hole 40, the top and bottom of valve rod 31 are respectively protruding into electric chamber 10a and fluid cavity 10b.
The outer peripheral edge of elastic sealing gasket 4 and inner peripheral are individually fixed in fluid cavity 10b inside and valve rod 31, and work as valve element When component moves between open position and closed position, the sky in the space and the lower section of elastic sealing gasket 4 of the top of elastic sealing gasket 4 Between seal against each other, so as to prevent the sky that liquid is entered above elastic sealing gasket 4 from the space of the lower section of elastic sealing gasket 4 Between, and then enter by the space between the central through hole 20 and valve rod 31 of fixed partition means 2 the electric chamber 10a of electrical valve In.When core assembly moves, the outer peripheral edge of elastic sealing gasket 4 is fixed, and the inner peripheral of elastic sealing gasket 4 can follow valve rod 31 move together, so that elastic deformation occurs for elastic sealing gasket 4, but elastic sealing gasket 4 will not be with valve element in motion process Component produces any fricting movement, so in the absence of the wear problem of elastic sealing gasket, so as to separate in the fixed of electrical valve More structurally sound dynamic sealing is realized between the central through hole 20 and valve rod of part 2.The material of elastic sealing gasket 4 can use rubber Glue, but not limited to this.
Specifically, the outer peripheral edge of elastic sealing gasket 4 is securable to fixed partition means 2 or fluid cavity 10b cavity wall, It can also be fixed on the other parts being arranged in fluid cavity 10b, this can do certainly according to the concrete structure of electrical valve It is fixed.
In the present embodiment, the outer peripheral edge of elastic sealing gasket 4 is fixed in fixed partition means 2.In order to reach elasticity The purpose of fixed partition means 2 is fixed in the outer peripheral edge of sealing gasket 4, and the electrical valve movable sealing structure of the present embodiment also includes one Clasp 5.Fixed partition means 2 include the skirtboard 25 that substrate 23 and the periphery from substrate 23 extend downwardly, fixed partition means 2 Central through hole 20 be opened on substrate 23.The outer peripheral face of clasp 5 is interference fitted with the inner peripheral surface of skirtboard 25.Elastic sealing gasket 4 Outer peripheral edge be held between the bottom surface of substrate 23 and the upper surface of clasp 5, so as to make the outer peripheral edge of elastic sealing gasket 4 protect Hold it is fixed, while also achieve elastic sealing gasket outer peripheral edge compress after sealing.
In the present embodiment, fixed partition means 2 also include the skirtboard 26 upwardly extended from the periphery of substrate 23, for reality Sealing between the outer peripheral face of existing fixed partition means 2 and the side wall of valve pocket 10, in the outer peripheral face and valve pocket of fixed partition means 2 Sealing ring 82 is provided between 10 side wall.If fixed partition means 2 are connected with valve body 1, sealing ring need not be set 82。
In the present embodiment, the inner peripheral of elastic sealing gasket 4 is fixed on to the purpose of valve rod 31 in order to reach, the present embodiment Core assembly also include upper clamping disk 35 and lower clamping disk 36, upper clamping disk 35 and lower clamping disk 36 are respectively equipped with center and led to Hole, valve rod 31 through it is upper clamping disk 35 central through hole 350 and it is lower clamp disk 36 central through hole 360, and respectively with upper clamping Disk 35 is connected with lower clamping disk 36.The inner peripheral of elastic sealing gasket 4 be clamped and fixed in clamp disk 35 with it is lower clamping disk 36 it Between, so that the inner peripheral of elastic sealing gasket 4 can follow valve rod 31 to move up and down together, while also achieve elastic sealing gasket Sealing after inner peripheral compression.In order to prevent liquid from leading to from the center of the upper central through hole 350 for clamping disk 35, elastic sealing gasket 4 Space between hole 40 and the lower central through hole 360 and valve rod 31 for clamping disk 36 flows into the space of the top of elastic sealing gasket 4, upper folder In the tight central through hole 350 of disk 35, the central through hole 40 of elastic sealing gasket 4 and the lower central through hole 360 for clamping disk 36 extremely Few one and the outer peripheral face sealing of valve rod 31 coordinate.In the present embodiment, lower clamping disk 36 is connected as a single entity with valve disc 32, and and valve The lower end of bar 31 is riveted together, and in other embodiments, lower clamping disk 36 and valve disc 32 can also be two discrete Part.
Fig. 6 shows the diagrammatic cross-section of elastic sealing gasket according to an embodiment of the invention, incorporated by reference to shown in Fig. 6.Bullet The top surface of the outer peripheral edge of property sealing gasket 4 and bottom surface are respectively equipped with the first limiting section 41 and the second limiting section 42, the bottom surface of substrate 23 It is respectively equipped with and the 3rd limiting section of the male-female engagement of the first limiting section 41 and recessed with the second limiting section 42 with the upper surface of clasp 5 4th limiting section of convex cooperation（The 3rd limiting section and the 4th limiting section are not marked in figure）.The top of the inner peripheral of elastic sealing gasket 4 Face and bottom surface are respectively equipped with the 5th limiting section 45 and the 6th limiting section 46, the upper bottom surface for clamping disk 35 and the lower top surface for clamping disk 36 It is respectively equipped with the 8th limit with the 7th limiting section of the male-female engagement of the 5th limiting section 45 and with the male-female engagement of the 6th limiting section 46 Position portion（The 7th limiting section and the 8th limiting section are not marked in figure）.In figure 6, the first, second, the 5th and the 6th limiting section is Annular projection, and the three, the four, the 7th and the 8th limiting section is the annular recess with above-mentioned annular projection male-female engagement respectively. As a kind of alternative embodiment, the three, the four, the 7th and the 8th limiting section can also be configured to annular projection, and incite somebody to action First, secondth, the 5th and the 6th limiting section is configured to the annular recess with the annular projection male-female engagement.Above-mentioned this bumps are matched somebody with somebody The structure of conjunction, when elastic sealing gasket 4 is stretched the outer peripheral edge of elastic sealing gasket 4 and inner peripheral can be not easy from clamping Position releases.
As shown in fig. 6, the centre position between the outer peripheral edge of elastic sealing gasket 4 and inner peripheral is additionally provided with annular protrusion 47. Annular projection 47 helps to ensure that elastic sealing gasket 4 has during following valve rod 31 to move more than enough elastic deformations Amount.
Further, electrical valve movable sealing structure according to an embodiment of the invention includes core assembly drive mechanism, The core assembly drive mechanism is arranged in electric chamber 10a, for driving axial direction of the core assembly along valve body 1 to move.This In embodiment, core assembly drive mechanism includes magnet coil 61 and coil rack 62；The winding of magnet coil 61 is in coil rack On 62 outer peripheral face；Coil rack 62 has centre bore 620, and the upper end of core assembly is arranged on the centre bore of coil rack 62 In 620；Magnet coil 61 can apply a downward thrust when being powered to core assembly, core assembly is moved by open position To closed position.Core assembly also includes sliding block 37, and sliding block 37 is arranged in electric chamber 10a, and sliding block 37 is provided with centre bore 370, The upper end insertion centre bore 370 of valve rod 31, and be interference fitted with centre bore 370.
Further, electrical valve movable sealing structure according to an embodiment of the invention includes sleeve 71 and fixed seat 72. Sleeve 71 is arranged in electric chamber 10a, including annular upper wall 711, annular bottom wall 712 and is connected to annular upper wall 711 and ring Annular sidewall 713 between shape bottom wall 712.Magnet coil 61 and coil rack 62 are arranged in sleeve 71.Fixed seat 72 passes through The central through hole of annular bottom wall 712, fixed partition means 2 are connected with the bottom of fixed seat 72.Core assembly resets including valve rod Spring 38, the top and bottom of valve rod back-moving spring 38 abut sliding block 37 and fixed seat 72 respectively, for being lost in magnet coil 61 When electric, the reset force of open position is reset to by closed position to core assembly offer one.
Further, the invention also discloses a kind of electrical valve, the electrical valve to move close including above-mentioned electrical valve Seal structure.In the embodiment shown in Fig. 1 to Fig. 4, the electrical valve is magnetic valve, i.e., by being powered to magnet coil 61 to valve Core assembly applies thrust.However, the present invention electrical valve not limited to this or by motor as the electric of power source Valve.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to comprising including these changes and modification.

Claims (9)

1. a kind of electrical valve movable sealing structure, it is characterised in that including valve body, fixed partition means and core assembly；
The valve body has entrance, outlet and valve pocket；
The fixed partition means are arranged in the valve pocket, and the valve pocket is divided into above the fixed partition means Electric chamber and the fluid cavity below the fixed partition means；Be provided with the fluid cavity by the entrance with it is described The valve port of outlet；The fixed partition means have central through hole；
The core assembly can be between open position and closed position along the axial movement of the valve body, in the core assembly During in the open position, the valve port is opened, and when the core assembly is in the closed position, the core assembly will The valve port is closed；The core assembly includes valve rod；
Wherein, the electrical valve movable sealing structure also includes elastic sealing gasket, and the elastic sealing gasket is arranged at the fluid In chamber, and the lower section of the central through hole positioned at the fixed partition means；The elastic sealing gasket has central through hole；
The valve rod is through the fixed partition means and the central through hole of the elastic sealing gasket, and the upper end of the valve rod is with End is respectively protruding into the electric chamber and the fluid cavity；
The outer peripheral edge of the elastic sealing gasket and inner peripheral are individually fixed in the inside of the fluid cavity and the valve rod, and work as institute When stating core assembly and being moved between the open position and the closed position, the inner peripheral of the elastic sealing gasket follows institute State valve rod to move together, the space above the elastic sealing gasket seals against each other with the space below the elastic sealing gasket；
The fixed partition means include the skirtboard that substrate and the periphery from the substrate extend downwardly, the fixed lattice The central through hole of part is opened on the substrate；The electrical valve movable sealing structure also includes a clasp, the clasp it is outer The inner peripheral surface of side face and the skirtboard is interference fitted, and the outer peripheral edge of the elastic sealing gasket is held in the bottom surface of the substrate Between the upper surface of the clasp.
2. electrical valve movable sealing structure as claimed in claim 1, it is characterised in that the outer peripheral edge of the elastic sealing gasket is consolidated Due to the fixed partition means or the cavity wall of the fluid cavity.
3. electrical valve movable sealing structure as claimed in claim 1, it is characterised in that the outer peripheral edge of the elastic sealing gasket Top surface and bottom surface are respectively equipped with the upper surface difference of the first limiting section and the second limiting section, the bottom surface of the substrate and the clasp It is provided with the 3rd limiting section with the first limiting section male-female engagement and spacing with the 4th of the second limiting section male-female engagement Portion.
4. the electrical valve movable sealing structure as any one of claims 1 to 3, it is characterised in that the valve element group Part also includes upper clamping disk and lower clamping disk, and the upper clamping disk and the lower clamping disk are equipped with central through hole, the valve rod Through the upper clamping disk and the lower central through hole for clamping disk, and it is connected respectively with upper clamping disk and lower clamping disk；It is described The inner peripheral of elastic sealing gasket is clamped and fixed between the upper clamping disk and the lower clamping disk；
The upper central through hole for clamping disk, the central through hole of the elastic sealing gasket and the lower central through hole for clamping disk At least one of seal and coordinate with the outer peripheral face of the valve rod.
5. electrical valve movable sealing structure as claimed in claim 4, it is characterised in that the inner peripheral of the elastic sealing gasket Top surface and bottom surface are respectively equipped with the 5th limiting section and the 6th limiting section, the upper bottom surface for clamping disk and the lower top for clamping disk Face be respectively equipped with the 7th limiting section of the 5th limiting section male-female engagement and with the 6th limiting section male-female engagement 8th limiting section.
6. electrical valve movable sealing structure as claimed in claim 1, it is characterised in that the outer peripheral edge of the elastic sealing gasket with Centre position between inner peripheral is provided with annular protrusion.
7. electrical valve movable sealing structure as claimed in claim 1, it is characterised in that the core assembly includes valve disc, institute State the lower end that valve disc is fixed on the valve rod；The bottom surface of the valve disc is provided with annular dovetail slot, and the annular dovetail slot embeds Provided with sealing ring, and the sealing ring partly protrudes from the bottom surface of the valve disc；
Sealing surface is provided with around the valve port；When the core assembly is in the closed position, the sealing ring contradicts The sealing surface, to realize the closing to the valve port.
8. electrical valve movable sealing structure as claimed in claim 1, it is characterised in that electrical valve movable sealing structure includes valve Core assembly drive mechanism, the core assembly drive mechanism are arranged on the electric intracavitary, for driving the core assembly edge The axial direction movement of the valve body.
9. a kind of electrical valve, it is characterised in that moved including electrical valve as claimed in any of claims 1 to 8 in one of claims close Seal structure.
CN201610302131.4A 2016-05-09 2016-05-09 Electrical valve movable sealing structure and its electrical valve Active CN105757334B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610302131.4A CN105757334B (en) 2016-05-09 2016-05-09 Electrical valve movable sealing structure and its electrical valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610302131.4A CN105757334B (en) 2016-05-09 2016-05-09 Electrical valve movable sealing structure and its electrical valve

Publications (2)

Publication Number Publication Date
CN105757334A CN105757334A (en) 2016-07-13
CN105757334B true CN105757334B (en) 2018-01-12

Family

ID=56323616

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610302131.4A Active CN105757334B (en) 2016-05-09 2016-05-09 Electrical valve movable sealing structure and its electrical valve

Country Status (1)

Country Link
CN (1) CN105757334B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107045957B (en) * 2017-03-03 2020-08-14 漳州聚安美电气科技有限公司 Grease proofing structure of switch core, core subassembly and on-vehicle switch
CN109323012B (en) * 2018-12-10 2023-10-10 嘉兴科奥电磁技术有限公司 Slide type three-way electromagnetic valve

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3725589A1 (en) * 1987-08-01 1989-02-09 Staiger Steuerungstech Membrane valve for corrosive fluids - has corrosion resistant metal membrane with captive O=ring seal
JPH0396780A (en) * 1989-09-11 1991-04-22 Fuji Clean Kogyo Kk Fluid pressure automatic regulating device
CN2272084Y (en) * 1996-06-02 1998-01-07 顾国荣 Gas solenoid valve with displacement sensor
CN2480651Y (en) * 2001-02-15 2002-03-06 吕复 Energy-saving type electricity-saving gas electromagnetic valve
JP2016008671A (en) * 2014-06-25 2016-01-18 株式会社テージーケー solenoid valve
CN205745621U (en) * 2016-05-09 2016-11-30 嘉兴科奥电磁技术有限公司 Electrical valve movable sealing structure and electrical valve thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3725589A1 (en) * 1987-08-01 1989-02-09 Staiger Steuerungstech Membrane valve for corrosive fluids - has corrosion resistant metal membrane with captive O=ring seal
JPH0396780A (en) * 1989-09-11 1991-04-22 Fuji Clean Kogyo Kk Fluid pressure automatic regulating device
CN2272084Y (en) * 1996-06-02 1998-01-07 顾国荣 Gas solenoid valve with displacement sensor
CN2480651Y (en) * 2001-02-15 2002-03-06 吕复 Energy-saving type electricity-saving gas electromagnetic valve
JP2016008671A (en) * 2014-06-25 2016-01-18 株式会社テージーケー solenoid valve
CN205745621U (en) * 2016-05-09 2016-11-30 嘉兴科奥电磁技术有限公司 Electrical valve movable sealing structure and electrical valve thereof

Also Published As

Publication number Publication date
CN105757334A (en) 2016-07-13

Similar Documents

Publication Publication Date Title
KR101988880B1 (en) Capacity control valve
CN106369210B (en) A kind of solenoid valve
WO2017059692A1 (en) Vehicle turbocharger gas inlet pressure relief valve
CN105757334B (en) Electrical valve movable sealing structure and its electrical valve
WO2017156831A1 (en) Gas proportional valve
CN209294455U (en) A kind of high frequency ball valve
CN216742872U (en) Electronic expansion valve
CA2605799A1 (en) Cooling assembly for electric machine
CN208397378U (en) A kind of pressure reducing valve
CN108626434A (en) A kind of two-bit triplet solenoid valve
CN205504143U (en) Electromagnetic valve
CN205278506U (en) Novel resistant high pressure isolating valve
CN109506001B (en) Novel anti-scouring balance valve
KR101463329B1 (en) Solenoid valve
CN216742923U (en) Reversible solenoid valve
CN205745621U (en) Electrical valve movable sealing structure and electrical valve thereof
CN205503997U (en) Burnt gas proportion valve
WO2022199252A1 (en) Electromagnetic valve and electromagnetic valve assembly
CN205479640U (en) Guide's piston solenoid valve
CN208709632U (en) Silence cover and cooking machine
CN208397331U (en) A kind of antiseep flat gate valve
CN208535241U (en) A kind of flange face has the flange form damping check valve of sealing ring
CN208935456U (en) Solenoid valve
CN207814536U (en) A kind of two-position two-way solenoid valve
CN207539421U (en) A kind of guide electromagnetic valve

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant