CN106969185A - A kind of zero pressure difference starts high life magnetic valve - Google Patents
A kind of zero pressure difference starts high life magnetic valve Download PDFInfo
- Publication number
- CN106969185A CN106969185A CN201710226456.3A CN201710226456A CN106969185A CN 106969185 A CN106969185 A CN 106969185A CN 201710226456 A CN201710226456 A CN 201710226456A CN 106969185 A CN106969185 A CN 106969185A
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- CN
- China
- Prior art keywords
- valve
- guide
- seal
- core
- dynamic
- 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.)
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- 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
- F16K1/42—Valve seats
Abstract
Start high life magnetic valve the present invention relates to a kind of zero pressure difference, including valve seat, bonnet and valve seat and bonnet are connected through a screw thread fixed sleeve pipe, are sealed between sleeve pipe and valve seat provided with first seal；Sleeve pipe top is provided with quiet core iron, and sleeve pipe is welded together with quiet core iron；Provided with dynamic core iron part and guide's part below quiet core iron, guide's part is located in the internal cavity of dynamic core iron part, and returning spring is provided between guide's part and quiet core iron；Second seal is provided with dynamic core iron part, second seal bottom and the valve port gluing, sealing being located on valve seat during close valve state.Returning spring of the present invention is abutted against with guide's part, can be reduced suffered load shock on seal in valve body closing process, be prevented liquid hammer so that the valve body life-span is higher；By such scheme of the present invention, the requirement to supporting coil electromagnetism power and manufacturing cost are significantly reduced, the characteristic of direct-acting electromagnetic valve zero pressure difference valve opening is inherited again, and using more reliable and more stable.
Description
Technical field
Start high life magnetic valve the present invention relates to a kind of zero pressure difference, belong to Solenoid Valve Technology field.
Background technology
Control valve field frequently refers to magnetic valve, with the break-make of medium in control system, according to difference in functionality in system
Demand, can be divided into open in usual, normally closed type again, can be divided into Direct Action Type and pilot-operated type, pilot-operated type electricity again according to magnetic valve internal structure
Magnet valve is generally required by a less aperture inside magnet coil band moving electromagnetic valve（Pilot valve）, after pilot valve is opened, can make
The seal-moving part that must be sealed on larger aperture opens larger valve port in the presence of pressure difference（Main valve）, so as to realize control system
The effect of medium break-make in system, is zero or pressure difference in valve body inlet outlet pressure differential then for general guide electromagnetic valve
In the case of very little（Below 1psi）Often aperture is not enough or is unable to valve opening, and for direct-acting electromagnetic valve, though can be with
Accomplish that zero pressure difference starts, but as the electromagnetic force of the bigger required supporting coil of valve port is bigger, often volume is larger for such coil,
Cost is higher.
CN201120229694 discloses a kind of magnetic valve, as above the seal inside such movable iron core of electromagnetic valve
Slow down impact to seal when magnetic valve closes valve provided with a returning spring, such mode often seal still suffer from compared with
Large deformation, with the raising of valve body access times, interior leakage often occurs in the seal sealing position, influences valve body usability
Energy.
The content of the invention
Start high life magnetic valve it is an object of the invention to provide a kind of zero pressure difference, both improved valve opening ability and used
In the life-span, the requirement to supporting coil electromagnetism power and manufacturing cost are reduced, the spy with direct-acting electromagnetic valve zero pressure difference valve opening
Property.The electromagnetic valve body structure of the present invention is simple, compact, is produced beneficial to assembling, and be applicable high evaporating pressure difference without freon
Environmental protection refrigerant
To achieve these goals, technical scheme is as follows.
A kind of zero pressure difference starts high life magnetic valve, including valve seat, bonnet and valve seat and bonnet are connected through a screw thread fixation
Sleeve pipe, sealed between sleeve pipe and valve seat provided with first seal；Sleeve pipe top is provided with quiet core iron, and sleeve pipe is welded with quiet core iron
It is connected together in succession；Provided with dynamic core iron part and guide's part below quiet core iron, guide's part is located at the inside of dynamic core iron part
In cavity, returning spring is provided between guide's part and quiet core iron；Second seal is provided with dynamic core iron part, during close valve state
Second seal bottom and the valve port gluing, sealing being located on valve seat, top and the guide's part gluing, sealing of second seal；
Valve seat, which includes being provided with outside valve port, valve seat inside import, outlet, valve seat, is provided with external screw thread, and valve seat top is provided with planar annular；Ring
Shape plane and first seal lower surface gluing, sealing；Casing part is provided with flange, the lower plane and first seal of flange
Surface gluing, sealing；Step plane and internal thread are provided with inside bonnet, step plane is fitted with the upper plane of casing part flange；
Core iron part is sequentially provided with core iron, second seal and jump ring along axis, and core iron part leans with valve seat during valve closing；On core iron
Provided with top bar hole, annular slot is provided with inside core iron lower end；Top bar bottom hole end surface is connected with the upper and lower side of guide's part
It is in during valve opening and abuts to drive guide's part to open guide's aperture, annular slot is connected and fixed with jump ring；Guide's part
Bottom is more than bottom column diameter provided with projection, guide's part upper post body diameter, and top cylinder is all provided with bottom column side face
It is fluted；Top cylinder is abutted with returning spring.
Further, second seal, which is provided with the middle part of at least one step, second seal, is provided with pilot hole, pilot hole
For clear opening or stepped hole, the upper diameter of pilot hole is not more than lower diameter；With card during the step valve opening of second seal
Spring is abutted against；During valve closing, the top loop sidepiece of pilot hole is fitted and sealed with the projection on guide's part；The lower loop of pilot hole
Sidepiece is fitted and sealed with the valve port on valve seat.
Further, the jump ring is the elastic opening annulus that metal material is made.
In the magnetic valve, after coil electricity excitation, static iron core of electromagnetic valve attracts each other with dynamic iron core, and dynamic iron core is in electromagnetism
Core iron gravity and frictional force are overcome in the presence of power, to the upper and lower side junction of core iron top bar bottom hole end surface and guide's part
Abut, now guide's aperture is in critical opening, dynamic iron core obtains certain upward kinetic energy to drive elder generation further up
Lead part and continue on guide's aperture.In the case where static iron core of electromagnetic valve and dynamic iron core attract each other, dynamic iron core drives guide's part gram
The difference force taken on the pressure, gravity and guide's part of returning spring is moved upwards, to jump ring with being set in second seal
When some steps are abutted against, it is sealed in guide's part projection above second seal and departs from second seal, second seal
The fluid of top flows to valve seat by guide's aperture and exported, and the pressure difference of seal upper and lower surface is reduced rapidly.The dynamic iron core exists
Drive second seal to continue to overcome returning spring power, gravity by jump ring in the presence of electromagnetic force and act on second seal
On difference force move upwards, fitted to dynamic iron core with static iron core, the valve that second seal lower plane is just provided with valve seat
Mouth departs from, and valve body is opened.
After coil blackout, the dynamic iron core of the magnetic valve and static iron core lose mutual attraction, dynamic iron core part and
Guide's part close port and guide's aperture successively under returning spring power and its effect of suffered up and down difference force, valve body are closed
Close.
The beneficial effect of the invention is：The present invention makes core iron in not pressure difference power by setting initial a bit of shape journey
And the initial velocity of certain auxiliary valve opening is rapidly achieved in the presence of spring force, then proceed to by core iron drives guide's part Lai real
Existing guide opens guide's aperture, so that the pressure difference reduction for the seal upper and lower being sealed on valve port, reduction is further opened
Open the load of valve port；And valve port is subsequently opened by jump ring directly band dynamic seal, to realize zero pressure difference valve opening.It is of the present invention
Returning spring is abutted against with guide's part, can be reduced suffered load shock on seal in valve body closing process, be prevented liquid
Hit, extend the valve body life-span；By such scheme of the present invention, significantly reduce the requirement to supporting coil electromagnetism power and be manufactured into
This, inherits the characteristic of direct-acting electromagnetic valve zero pressure difference valve opening again, and using more reliable and more stable.
Brief description of the drawings
Fig. 1 is magnetic valve close valve state cross-sectional view used in the present invention.
Fig. 2 is that magnetic valve core iron opens guide's aperture critical condition schematic diagram used in the present invention.
Fig. 3 be used in the present invention electromagnetic valve guide aperture open after view.
Fig. 4 is magnetic valve valve opening state schematic diagram used in the present invention.
Fig. 5 is magnetic valve valve seat construction schematic diagram used in the present invention.
Fig. 6 is magnetic valve sleeve structure schematic diagram used in the present invention.
Fig. 7 is magnetic valve valve cover structure schematic diagram used in the present invention.
Fig. 8 is magnetic valve core iron modular construction schematic diagram used in the present invention.
Fig. 9 is electromagnetic valve core iron construction schematic diagram used in the present invention.
Figure 10 is electromagnetic valve guide part side structure schematic diagram used in the present invention.
Figure 11 is electromagnetic valve guide part dimensional structure diagram used in the present invention.
Figure 12 is the cross section structure schematic diagram of magnetic valve second seal form one used in the present invention.
Figure 13 is the cross section structure schematic diagram of magnetic valve second seal form two used in the present invention.
Embodiment
The specific embodiment of the invention is illustrated with reference to the accompanying drawings and examples.
Embodiment
Magnetic valve as shown in Figure 1, Figure 2, Figure 3, Figure 4, including valve seat 1, bonnet 4 and valve seat 1 and bonnet 4 pass through screw thread
The sleeve pipe 3 being connected, is sealed between sleeve pipe 3 and valve seat 1 provided with first seal 2；The top of sleeve pipe 3 is provided with quiet core iron 6,
Sleeve pipe 3 is welded together with quiet core iron 6；The quiet lower section of core iron 6 is provided with dynamic core iron part 5 and guide's part 8, guide's part 8
In the internal cavity of dynamic core iron part 5, returning spring 7 is provided between guide's part 8 and quiet core iron 6；In dynamic core iron part 5
Provided with second seal 55, the bottom of second seal 55 and the gluing, sealing of valve port 13 being located on valve seat 1, second during close valve state
The top of seal 55 and the gluing, sealing of guide's part 8.
As shown in figure 5, valve seat 1 includes import 11, outlet 12, the inside of valve seat 1 is provided with valve port 13, and the outside of valve seat 1 is provided with outer
Screw thread 14, the top of valve seat 1 is provided with planar annular 15；Planar annular 15 and the lower surface gluing, sealing of first seal 2.
As shown in fig. 6, the bottom of sleeve pipe 3 is provided with flange 31, the lower plane 312 of flange is fitted with the upper surface of first seal 2
Sealing.
As shown in fig. 7, the inside of bonnet 4 is provided with step plane 41 and internal thread 42, step plane 41 and the bottom flange of sleeve pipe 3
31 upper plane 311 is fitted.
As shown in figure 8, core iron part 5 is sequentially provided with core iron 51, second seal 55 and jump ring 56, core during valve closing along axis
Iron part 5 leans with valve seat 1.
As shown in figure 9, core iron 51, which is provided with inside top bar hole 511, the lower end of core iron 51, is provided with annular slot 514；Appear on the stage
The bottom end face of rank hole 511 abuts to drive guide's part 8 to open with the upper and lower side junction 533 of guide's part 8 during valve opening
Guide's aperture 552 is opened, annular slot 514 is connected and fixed with jump ring 56.
As shown in Figure 10, Figure 11, the bottom of guide's part 53 is provided with projection 532, and guide's part 53 top cylinder, 531 diameters are big
In bottom column diameter, top cylinder 531 is equipped with groove 534 with bottom column side face；Top cylinder 531 is with returning spring 52
Abut.
As shown in Figure 12 and Figure 13, second seal 55 is provided with least one step 551, and the middle part of second seal 55 is set
There is pilot hole 552, pilot hole 552 is clear opening or stepped hole, and the upper diameter of pilot hole 552 is not more than lower diameter；The
Abutted against during 551 valve opening of step of two seals 55 with jump ring 56；During valve closing, the same guide of top loop sidepiece 554 of pilot hole 552
Projection 532 on part 53 is fitted and sealed；The lower loop sidepiece 553 of pilot hole 552 is fitted and close with the valve port 13 on valve seat 1
Envelope.
The jump ring 56 is the elastic opening annulus that metal material is made.
In the magnetic valve, after coil electricity excitation, static iron core of electromagnetic valve 6 attracts each other with dynamic iron core 51, dynamic iron core 51
Core iron gravity and frictional force are overcome in the presence of electromagnetic force, it is upper to the bottom end face of core iron top bar hole 511 and guide's part 8
Lower end junction 533 is abutted, and now guide's aperture 552 is in critical opening, and dynamic iron core 51 obtains certain upward kinetic energy
To drive guide's part to continue on guide's aperture further up；As shown in Figure 2.In static iron core of electromagnetic valve 6 and dynamic iron core 51
Attract each other down, dynamic iron core 5 drives guide's part 8 to overcome the pressure difference on the pressure, gravity and guide's part 8 of returning spring
Power is moved upwards, when the step 551 being provided with to jump ring 56 and second seal 55 is abutted against, is sealed in second seal 55
Guide's part projection 532 of side departs from second seal 55, and the fluid of the top of second seal 55 is flowed to by guide's aperture 552
Valve seat outlet 12, the pressure difference of the upper and lower surface of seal 55 is reduced rapidly.As shown in Figure 3.Effect of the dynamic iron core 5 in electromagnetic force
Second seal 55 is driven to continue to overcome returning spring power, gravity and act in second seal 55 by jump ring 56 down
Difference force is moved upwards, is fitted to dynamic iron core 5 with static iron core 6, and the lower plane 553 of second seal 55 is just provided with valve seat
Valve port 13 departs from, and valve body is opened.
After coil blackout, the dynamic iron core of the magnetic valve and static iron core lose mutual attraction, dynamic iron core part 5 and
Guide's part close port 13 and guide's aperture 552, valve successively under returning spring power and its effect of suffered up and down difference force
Body is closed.
Claims (4)
1. a kind of zero pressure difference starts high life magnetic valve, it is characterised in that：Pass through spiral shell including valve seat, bonnet, with valve seat and bonnet
The sleeve pipe that line is connected, is sealed between described sleeve pipe and valve seat provided with first seal；Described sleeve pipe top is provided with quiet
Core iron, described sleeve pipe is welded together with quiet core iron；Provided with dynamic core iron part and guide's part, institute below the quiet core iron
State guide's part to be located in the internal cavity of dynamic core iron part, returning spring is provided between guide's part and quiet core iron；Institute
State and second seal is provided with core iron part, second seal bottom is fitted close with the valve port being located on valve seat during close valve state
Envelope, top and the guide's part gluing, sealing of the second seal；The valve seat is included inside import, outlet, the valve seat
Provided with valve port, external screw thread is provided with outside the valve seat, the valve seat top is provided with planar annular；The planar annular and first close
Sealing lower surface gluing, sealing；Described sleeve pipe bottom is provided with flange, and lower plane and the first seal upper surface of the flange are pasted
Close sealing；Step plane and internal thread are provided with inside the bonnet, the upper plane of the step plane and casing part flange is pasted
Close；The dynamic core iron part is sequentially provided with core iron, second seal and jump ring along axis, and core iron part offsets with valve seat during valve closing
Lean on；The dynamic core iron is provided with inside top bar hole, the dynamic core iron lower end and is provided with annular slot；Top bar hole bottom end
Face abuts to drive guide's part to open guide's aperture, the annular with the upper and lower side junction of guide's part during valve opening
Neck is connected and fixed with jump ring；Guide's part bottom is provided with projection, under the top column diameter of guide's part is more than
Portion's column diameter, the top cylinder is equipped with groove with bottom column side face；The top cylinder is abutted with returning spring.
2. zero pressure difference according to claim 1 starts high life magnetic valve, it is characterised in that：Set in the second seal
There is at least one step, be provided with pilot hole in the middle part of the second seal, the pilot hole is clear opening or stepped hole, described
The upper diameter of pilot hole is not more than lower diameter；Abutted against during the step valve opening of the second seal with jump ring；During valve closing,
The top loop sidepiece of pilot hole is with the raised laminating on guide's part and seals；The lower loop sidepiece of the pilot hole is with valve seat
Valve port fit and seal.
3. zero pressure difference according to claim 1 starts high life magnetic valve, it is characterised in that：The jump ring is metal material
The elastic opening annulus being made.
4. zero pressure difference according to claim 1 starts high life magnetic valve, it is characterised in that：In the magnetic valve, work as coil
After energization excitation, static iron core of electromagnetic valve attracts each other with dynamic iron core, dynamic iron core overcome in the presence of electromagnetic force core iron gravity and
Frictional force, is abutted to core iron top bar bottom hole end surface with the upper and lower side junction of guide's part, and now guide's aperture is in and faced
Boundary's opening, dynamic iron core obtains certain upward kinetic energy to drive guide's part to continue on guide's aperture further up；
In the case where static iron core of electromagnetic valve and dynamic iron core attract each other, dynamic iron core drive guide's part overcome the pressure of returning spring, gravity and
Difference force on guide's part is moved upwards, when the step being provided with to jump ring and second seal is abutted against, is sealed in
The fluid that guide's part projection above second seal departs from above second seal, second seal passes through guide's aperture stream
Exported to valve seat, the pressure difference of seal upper and lower surface is reduced rapidly；The dynamic iron core passes through jump ring band in the presence of electromagnetic force
Dynamic second seal continues to overcome returning spring power, gravity and the difference force acted in second seal to move upwards, extremely dynamic
Iron core is fitted with static iron core, and the valve port that second seal lower plane is just provided with valve seat departs from, and valve body is opened；When coil is disconnected
After electricity, dynamic iron core and the static iron core of the magnetic valve lose mutual attraction, and dynamic iron core part and guide's part are replying bullet
Close port and guide's aperture successively under spring force and its effect of suffered up and down difference force, valve body are closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710226456.3A CN106969185B (en) | 2017-04-09 | 2017-04-09 | A kind of zero pressure difference starting high life solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710226456.3A CN106969185B (en) | 2017-04-09 | 2017-04-09 | A kind of zero pressure difference starting high life solenoid valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106969185A true CN106969185A (en) | 2017-07-21 |
| CN106969185B CN106969185B (en) | 2019-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710226456.3A Active CN106969185B (en) | 2017-04-09 | 2017-04-09 | A kind of zero pressure difference starting high life solenoid valve |
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| Country | Link |
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| CN (1) | CN106969185B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725879A (en) * | 2017-10-19 | 2018-02-23 | 宁波文泽机电技术开发有限公司 | A kind of normally closed ratio one-way flow valves |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2003586A (en) * | 1977-08-30 | 1979-03-14 | Technologieforschung Gmbh | Magnetically operated valve |
| CN1769749A (en) * | 2004-07-30 | 2006-05-10 | 艾默生电气公司 | Electromagnetic valve for liquid flow |
| US20080042086A1 (en) * | 2004-07-30 | 2008-02-21 | Sisk Gregory E | Solenoid Valve |
| CN201851753U (en) * | 2010-10-25 | 2011-06-01 | 浙江万向精工有限公司 | Improved ESP (Electronic Stability Program) delivery valve |
| DE102013110885A1 (en) * | 2013-10-01 | 2015-04-02 | Svm Schultz Verwaltungs-Gmbh & Co. Kg | Valve |
-
2017
- 2017-04-09 CN CN201710226456.3A patent/CN106969185B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2003586A (en) * | 1977-08-30 | 1979-03-14 | Technologieforschung Gmbh | Magnetically operated valve |
| CN1769749A (en) * | 2004-07-30 | 2006-05-10 | 艾默生电气公司 | Electromagnetic valve for liquid flow |
| US20080042086A1 (en) * | 2004-07-30 | 2008-02-21 | Sisk Gregory E | Solenoid Valve |
| CN201851753U (en) * | 2010-10-25 | 2011-06-01 | 浙江万向精工有限公司 | Improved ESP (Electronic Stability Program) delivery valve |
| DE102013110885A1 (en) * | 2013-10-01 | 2015-04-02 | Svm Schultz Verwaltungs-Gmbh & Co. Kg | Valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725879A (en) * | 2017-10-19 | 2018-02-23 | 宁波文泽机电技术开发有限公司 | A kind of normally closed ratio one-way flow valves |
| CN107725879B (en) * | 2017-10-19 | 2019-06-07 | 上海申花电工器材有限公司 | A kind of normally closed ratio one-way flow valves |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106969185B (en) | 2019-06-04 |
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