CN104265917A - Leakage-free valve - Google Patents
Leakage-free valve Download PDFInfo
- Publication number
- CN104265917A CN104265917A CN201410526947.6A CN201410526947A CN104265917A CN 104265917 A CN104265917 A CN 104265917A CN 201410526947 A CN201410526947 A CN 201410526947A CN 104265917 A CN104265917 A CN 104265917A
- Authority
- CN
- China
- Prior art keywords
- core
- valve
- housing
- magnetic core
- leakage
- 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.)
- Granted
Links
- 239000000696 magnetic material Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000005284 excitation Effects 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000386 athletic effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007590 electrostatic spraying Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
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
- 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
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
A leakage-free valve comprises a housing (1) and a valve core (2). One end of the housing is provided with a valve seat (3), and the valve core is capable of contacting with the valve seat; the other end of the housing is fixed to a magnetic core (7) with the cross section in an E shape, a core body (71) of the magnetic core (7) is provided with a guide hole, a mandrel of the valve core is inserted into the guide hole, and the bottom of the guide hole is provided with a compressing spring; the core body of the magnetic core is provided with an excitation coil (10), the board of the magnetic core is provided with a fan-shaped through hole (74), and the other side of the magnetic core is provided with a plurality of teeth (51) protruded to the magnetic core; the housing is made of non-magnetic material, and the valve core and the magnetic core are made of magnetic material. The leakage-free valve has the advantages that the valve core is driven by the magnetic force generated by the excitation coil to move, no movable connector of the valve core extends out of the housing, and the problem that in the prior art, the fluid of the valve leaks along a valve rod is solved; the valve core and the valve seat are free of rotation, the sealing surface is free of wearing, and the workload for maintaining the tightness can be omitted.
Description
Technical field
The present invention relates to a kind of valve, especially a kind of by the action of electromagnetic force driving spool, realize the valve opened and closed.
Background technique
Valve is fluid-transporting tubing vitals in systems in which, the open and close of general valve are realized by valve rod band movable valve plug, valve rod enters the cavity of valve through the housing of valve, leak for preventing valve inner fluid, sealing material is provided with between valve rod and housing, the athletic meeting of valve rod makes sealing material wear and tear, and causes sealability to decline, and the fluid in valve can leak along valve rod.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of leakage-free valve, and this valve drives spool action by electromagnetic force, and realize opening and closing, the moving element of valve is arranged in the housing of valve, avoids the phenomenon generation that fluid leaks along moving element.
Leakage-free valve provided by the present invention comprises housing 1, spool 2, valve seat 3 is provided with in one end of housing, spool is made up of core print 5 and core bar 6, one side of core print can seal with the seat surface 4 of valve seat and contact, it is characterized in that, the magnetic core 7 that cross section is E shape is fixed with at the other end of housing, magnetic core is by core 71, plate portion 72 and ring portion 73 are formed, the core of magnetic core is provided with a pilot hole 8, described core bar is inserted in pilot hole ordinatedly, Compress Spring 9 is provided with between core bar and the bottom of pilot hole, the cylindrical of the core of magnetic core is provided with field coil 10, plate portion between the ring portion of magnetic core and core is evenly equipped with several fan-shaped through holes 74, the another side of core print is circumferentially evenly provided with some teeth portion 51, teeth portion is convex in the ring portion on magnetic core, described housing is made up of non-magnet material, described spool and magnetic core are made up of permeability magnetic material.
The feature of this leakage-free valve is, moving element is spool, and the magnetic force that the motion of spool produces by field coil drives, protruding from housing without movable link on spool, solves the problem that the fluid in prior art in valve leaks along valve rod; Also eliminate the leakage-preventing sealing device between valve rod in prior art in valve and housing simultaneously, make the designs simplification of valve; Another feature of this leakage-free valve is that the motion of spool is for axial, move without spin between spool and valve seat, make sealing surface between spool and valve seat without abrasion, the sealability between spool and valve seat can be kept, in the using process of valve, save the workload of the sealability safeguarded between spool and valve seat.
Accompanying drawing explanation
Fig. 1 is the structural representation of first embodiment of the invention.
Fig. 2 is the right elevation of Fig. 1.
Fig. 3 is the right elevation of spool in Fig. 1.
Fig. 4 is the structural representation of third embodiment of the invention.
Mark in accompanying drawing is expressed as: 1-housing, 2-spool, 3-valve seat, 4-seat surface, 5-core print, 51-teeth portion, 6-core bar, 7-magnetic core, 71-core, 72-plate portion, 73-ring portion, 74-through hole, 8-pilot hole, 9-Compress Spring, 10-field coil, 11-guard shield, 12-pin, 13-lead-in wire, the 14-magnetic line of force, 15-air gap, 16-pore.
Embodiment
Existing accompanying drawings specific embodiments of the invention.
First embodiment: this leakage-free valve comprises housing 1, the both ends of the surface of housing are the sealing surface be connected with piping flange, valve seat 3 is provided with in one end of housing, valve seat and housing are integrally formed, housing and valve seat are made up (as stainless steel material, aluminum alloy material) of non-magnet material, and the seat surface 4 of valve seat is a conical bore, spool in valve is made up of core print 5 and core bar 6, and the umbrella cover of the cone shape that core print side is arranged can seal with seat surface and contact, the magnetic core 7 that cross section is E shape is inlaid with at the other end of housing, magnetic core is by core 71, plate portion 72 and ring portion 73 are formed, magnetic core is fixed on housing by several pins 12 or Luo Ding, a pilot hole 8 is provided with at the core of magnetic core, described core bar is inserted in pilot hole ordinatedly, Compress Spring 9 is provided with between core bar and the bottom of pilot hole, the cylindrical of the core of magnetic core is provided with field coil 10, the guard shield 11 that field coil is made by insulating material close, the lead-in wire 13 of field coil stretches out outside housing, plate portion between the ring portion of magnetic core and core is evenly equipped with three to nine fan-shaped through holes 74, core print another side is evenly provided with six to nine teeth portion 51, teeth portion is convex in the ring portion on magnetic core, described spool and magnetic core are made up of permeability magnetic material (as electrical pure iron or low carbon steel).
The number of described fan-shaped through hole 74 is preferably six, and the number of described teeth portion 51 is preferably six.
For adapting to have the use of corrosive fluid occasion, the internal coat of described spool and the surface of magnetic core and housing has corrosion-resistant coating, and described Compress Spring stainless steel material is made.Described corrosion-resistant coating is formed by polytetrafluorethylepowder powder or epoxy powder electrostatic spraying.
For eliminating the resistance of air formed when core bar moves in pilot hole, the plate portion at pilot hole position is provided with disappointing pore 16.
Second embodiment: be with the difference of the first embodiment, described seat surface 4 is spherical, and core print side is set to spherical and can seals with seat surface and contact, better tightness when such core print contacts with seat surface.
3rd embodiment: be with the difference of the first embodiment, described seat surface 4 is one to projecting inward ring, and the side of core print is set to plane, and this plane can seal with seat surface and contact, and adopts such structure to make the processing of valve seat and spool simpler.
The installation step of leakage-free valve is:
Be fixed on magnetic core by field coil epoxy resin, the lead-in wire of field coil passes from the ring portion of magnetic core, is more outwards passed in housing by lead-in wire;
In the pilot hole of magnetic core, put into Compress Spring, the core bar of spool is inserted in pilot hole;
Magnetic core is pressed into housing to assigned position, pin riveting is entered in the ring portion of housing and magnetic core;
The extend position epoxy resin of the lead-in wire of field coil on housing is sealed.
The working principle of this leakage-free valve is, during field coil dead electricity, spool is pressed on valve seat by Compress Spring, valve closing; When field coil obtains electric, the closed path of the magnetic line of force 14 is: the plate portion between magnetic core → through hole 74 → ring portion 73 → air gap 15 → teeth portion 51 → core bar 6 → magnetic core, spool is inhaled the ring portion to magnetic core, spool and valve base chamber is made to form space, valve opening, ducted fluid is along the groove on the through hole 74 on magnetic core, spool between teeth portion, space outflow between spool and valve seat.
Claims (6)
1. a leakage-free valve comprises housing (1), spool (2), valve seat (3) is provided with in one end of housing, spool is made up of core print (5) and core bar (6), core print one side can seal with the seat surface of valve seat (4) and contact, it is characterized in that, the magnetic core (7) that cross section is E shape is fixed with at the other end of housing, magnetic core is by core (71), plate portion (72) and ring portion (73) are formed, the core of magnetic core is provided with a pilot hole (8), described core bar is inserted in pilot hole ordinatedly, Compress Spring (9) is provided with between core bar and the bottom of pilot hole, the cylindrical of the core of magnetic core is provided with field coil (10), plate portion between the ring portion of magnetic core and core is evenly equipped with several fan-shaped through holes (74), core print another side is circumferentially evenly provided with some teeth portion (51), teeth portion is convex in the ring portion on magnetic core, described housing is made up of non-magnet material, described spool and magnetic core are made up of permeability magnetic material.
2. leakage-free valve according to claim 1, is characterized in that in the plate portion at pilot hole position, be provided with disappointing pore (16).
3. leakage-free valve according to claim 1 and 2, it is characterized in that the surface of described spool and magnetic core and the internal coat of housing have corrosion-resistant coating, described Compress Spring stainless steel material is made.
4. leakage-free valve according to claim 1 and 2, is characterized in that the seat surface (4) of valve seat is taper, and the umbrella cover that core print side is arranged can seal with seat surface and contact.
5. leakage-free valve according to claim 1 and 2, it is characterized in that described seat surface (4) is for spherical, core print side is set to seal with seat surface the spherical contacted.
6. leakage-free valve according to claim 1 and 2, it is characterized in that described seat surface (4) is one to projecting inward ring, the side of core print is set to plane, and this plane can seal with seat surface and contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410526947.6A CN104265917B (en) | 2014-10-09 | 2014-10-09 | Leakage-free valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410526947.6A CN104265917B (en) | 2014-10-09 | 2014-10-09 | Leakage-free valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104265917A true CN104265917A (en) | 2015-01-07 |
| CN104265917B CN104265917B (en) | 2016-03-30 |
Family
ID=52157471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410526947.6A Active CN104265917B (en) | 2014-10-09 | 2014-10-09 | Leakage-free valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104265917B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370963A (en) * | 2015-12-11 | 2016-03-02 | 南车株洲电机有限公司 | Motor cooling ventilation controlled valve and motor cooling ventilation automatic control method |
| CN108061192A (en) * | 2017-12-29 | 2018-05-22 | 浙江博顿燃具科技有限公司 | For the automatic top suction type solenoid valve of cock valve assembly |
| CN110017396A (en) * | 2019-05-22 | 2019-07-16 | 杭州沃凌的机电有限公司 | A kind of magnet fluid sealing valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3712581A (en) * | 1970-11-02 | 1973-01-23 | Emerson Electric Co | Solenoid combined shading coil and return spring |
| CN2721998Y (en) * | 2004-05-26 | 2005-08-31 | 马卫民 | Impulsing electromagnetic valve with double magnets |
| CN201796688U (en) * | 2010-08-27 | 2011-04-13 | 天长市昭田磁电科技有限公司 | E-shaped magnetic core |
| CN102812220A (en) * | 2010-04-19 | 2012-12-05 | 爱信精机株式会社 | Vehicle coolant control valve |
| CN204061940U (en) * | 2014-10-09 | 2014-12-31 | 丁婕 | Leakage-free valve |
-
2014
- 2014-10-09 CN CN201410526947.6A patent/CN104265917B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3712581A (en) * | 1970-11-02 | 1973-01-23 | Emerson Electric Co | Solenoid combined shading coil and return spring |
| CN2721998Y (en) * | 2004-05-26 | 2005-08-31 | 马卫民 | Impulsing electromagnetic valve with double magnets |
| CN102812220A (en) * | 2010-04-19 | 2012-12-05 | 爱信精机株式会社 | Vehicle coolant control valve |
| CN201796688U (en) * | 2010-08-27 | 2011-04-13 | 天长市昭田磁电科技有限公司 | E-shaped magnetic core |
| CN204061940U (en) * | 2014-10-09 | 2014-12-31 | 丁婕 | Leakage-free valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370963A (en) * | 2015-12-11 | 2016-03-02 | 南车株洲电机有限公司 | Motor cooling ventilation controlled valve and motor cooling ventilation automatic control method |
| CN108061192A (en) * | 2017-12-29 | 2018-05-22 | 浙江博顿燃具科技有限公司 | For the automatic top suction type solenoid valve of cock valve assembly |
| CN110017396A (en) * | 2019-05-22 | 2019-07-16 | 杭州沃凌的机电有限公司 | A kind of magnet fluid sealing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104265917B (en) | 2016-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220119 Address after: 225500 Wanzhong village, Tianmushan street, Jiangyan District, Taizhou City, Jiangsu Province Patentee after: JIANGSU JIANGHUA VALVES CO.,LTD. Address before: 225500 C2-304 room, Kam do international garden, Jiangyan Town, Jiangyan District, Taizhou, Jiangsu. Patentee before: Ding Jie |
|
| TR01 | Transfer of patent right |