CN104676074A - Direct-acting electromagnetic valve - Google Patents
Direct-acting electromagnetic valve Download PDFInfo
- Publication number
- CN104676074A CN104676074A CN201510075365.5A CN201510075365A CN104676074A CN 104676074 A CN104676074 A CN 104676074A CN 201510075365 A CN201510075365 A CN 201510075365A CN 104676074 A CN104676074 A CN 104676074A
- Authority
- CN
- China
- Prior art keywords
- push rod
- rocking bar
- opening
- iron core
- solenoid valve
- 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.)
- Pending
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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/24—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an electromagnetically-operated valve, e.g. for washing machines
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- 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
- F16K31/0603—Multiple-way valves
- F16K31/0624—Lift valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a direct-acting electromagnetic valve, which comprises a valve body, a valve cover, a diaphragm sheet and a movable iron core, wherein the valve body and the valve cover form a cavity, a plurality of openings communicated with the cavity are formed in the valve cover, the diaphragm sheet is arranged in the cavity, the movable iron core can move relative to the valve body, the direct-acting electromagnetic valve comprises a rocker rod, at least one mandril and an elastic element, the rocker rod is rotationally arranged on the valve body for forming a lever structure, and the mandril is connected with the rocker rod, is abutted against the movable iron core, and can be driven by the movable iron core to do linear movement, so that the rocker rod is forced to rotate; the diaphragm sheet is arranged between the openings and the mandril, and is provided with a sealing part at the position corresponding to the openings, the sealing part can seal or open the corresponding opening along with the movement of the mandril; the elastic element is used for resetting the rocker rod. The direct-acting electromagnetic valve has the advantages that the parallel contact of the diaphragm sheet and a valve opening is ensured, the pressure resistance and the sealing performance are improved, the influence of the part precision on the product performance is smaller, and the product qualification rate is improved.
Description
Technical field
The present invention relates to field of fluid control, especially relate to a kind of solenoid valve.
Background technique
Solenoid valve, as a kind of control apparatus of fluid, is widely used in the every field of modern industry.According to its working method and action principle, solenoid valve is divided into many types, wherein a kind of membrane valve controls the break-make of valve port by the distortion of barrier film, membrane valve of the prior art promotes rocking bar by electromagnet, diaphragm is promoted again by rocking bar, in this process, the displacement of rocking bar realizes by rotating, thus make the joint of diaphragm and valve port be difficult to realization to flatten completely, very high to the dimension precision requirement of part, only has the elastic force when spring, the hardness of diaphragm and compressive strain amount, the height dimension of valve gap valve port, when the height dimension in valve body upper pin hole all just mates, diaphragm could flatten close port, and in fact each accessory size has error, performance is variant, be difficult to accomplish to mate completely, therefore the unstable properties of product is caused, up-to-standard rate is low, diaphragm its peripheral distortion when rotating is also uneven simultaneously, directly affects resistance to pressure and the stability of product.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of direct action solenoid valve, effectively can strengthen the sealing of valve body, reduce technological requirement.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of direct action solenoid valve, comprise valve body, valve gap, diaphragm and dynamic iron core, valve body and valve gap form cavity, valve gap is provided with the some openings be communicated with cavity, diaphragm is arranged in cavity, and dynamic iron core can valve body relatively, comprises rocking bar, it is rotating is arranged on valve body, forms lever construction; The push rod at least one place, it is connected with rocking bar, and the passive iron core of push rod being only positioned at the pivot point side of rocking bar supports, and can drive generation straight line motion by passive iron core, thus forces rocking bar to rotate; Diaphragm is arranged between opening and push rod, and it corresponds to opening and is provided with sealed department, and corresponding opening can be closed or be opened to sealed department with the motion of push rod; Comprise the elastic component resetted for rocking bar.
As the further improved procedure of such scheme, opening is two places be set up in parallel; Push rod is a place, and it is connected with one end of rocking bar, arranges corresponding to any place in opening; Sealed department is a place.
As the further improved procedure of such scheme, opening is three places be set up in parallel; Push rod is two places, and it is connected with the two ends of rocking bar respectively, and arrange corresponding to wherein two places in three place's openings, sealed department is two places.
As the further improved procedure of such scheme, pivot point is arranged in the middle part of rocking bar, and the passive iron core of push rod be positioned on the right side of fulcrum supports, and be positioned on the push rod on the left of fulcrum and be socketed with elastic component, it can be compressed towards the rotation in left side with rocking bar.
As the further improved procedure of such scheme, the opening of both sides is positioned at middle opening symmetry relatively, and push rod corresponds respectively to the opening being positioned at both sides.
As the further improved procedure of such scheme, push rod periphery is provided with annular groove, and its top is provided with flange, and rocking bar is connected with push rod by the mode embedding annular groove.
As the further improved procedure of such scheme, sealed department is the groove meeting push rod shape, and the diapire of groove has sealing surface.
As the further improved procedure of such scheme, the both sides of groove are provided with the buffer structure being beneficial to it and floating.
As the further improved procedure of such scheme, buffer structure is semicircular projection.
The invention has the beneficial effects as follows:
1, ensure that the parallel contact of diaphragm and valve port, be easy to compress, improve withstand voltage and sealing;
2, the impact of dimensional accuracy on product performance of part is less, reduces cost of parts, improves conforming product rate;
3, the both sides of sealed department are provided with annulus ripple, make the distortion of diaphragm when opening and closing even, improve sealing and the stability of valve further.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the sectional view of one embodiment of the invention;
Fig. 2 is the schematic diagram of a barrier film of the present invention embodiment;
Fig. 3 is the schematic diagram of a push rod of the present invention embodiment.
Embodiment
Be clearly and completely described below with reference to embodiment and the accompanying drawing technique effect to design of the present invention, concrete structure and generation, to understand object of the present invention, scheme and effect fully.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
It should be noted that, if no special instructions, when a certain feature is called as " fixing ", " connection " in another feature, it can directly be fixed, be connected in another feature, also indirectly can fix, be connected in another feature.In addition, it is only relative to the mutual alignment relation of each constituent element of the present invention in accompanying drawing that the upper and lower, left and right used in the present invention etc. describe.
In addition, unless otherwise defined, all technology used herein are identical with the implication that those skilled in the art understand usually with scientific terminology.The term used in specification is herein to describe specific embodiment, instead of in order to limit the present invention.Term as used herein " and/or " comprise the arbitrary combination of one or more relevant Listed Items.
With reference to Fig. 1, show one embodiment of the present of invention, comprise valve body 10, valve body 10 is connected with coil, be provided with dynamic iron core 30 in the centre of coil, it can move, as the power source of solenoid valve by opposed coil under the state of energising; The second elastic component 31 is provided with, for the elastic force providing dynamic iron core 30 to reset below dynamic iron core 30.
Preferably, the overall structure of solenoid valve vertically arranges, the movement that namely dynamic iron core 30 is vertical.
Comprise valve gap 20, itself and valve body 10 form cavity 101, and valve gap 20 is provided with the some openings 21 be communicated with cavity 101, and fluid can enter and flow out from other opening 21 from some openings 21, controls by carrying out convection cell to the opening and closing of opening 21.
Comprise rocking bar 40, its by pinned connection on valve body 10, make it can rotate around valve body, thus formation lever construction, comprise the push rod 50 of at least one, the passive iron core 30 in its one end supports, the other end and rocking bar 40 clamping, when dynamic iron core 30 moves, push rod 50 is driven by it and produces straight-line displacement, thus forces rocking bar 40 to rotate.
Wherein, if there is multiple push rod, has and only have the push rod being positioned at pivot point side to support by passive iron core 30.
Comprise the first elastic component 70, its power that rocking bar 40 can be provided to reset.Preferably, first, second elastic component above-mentioned can be spring, also can be other known elastic element.
Also include barrier film 60, it is arranged in cavity 101, and between opening 21 and push rod 50, with reference to Fig. 1 and Fig. 2, it corresponds to the sealed department 601 that opening 21 place is provided with at least one, sealed department 601 can be opened with the motion of push rod 50 or closed corresponding opening, because push rod 50, sealed department 601 are on same straight line with opening 21, so push rod 50 can make sealed department 601 concora crush on opening 21, effectively avoid the leakage caused because of unbalance stress.
Preferably, sealed department 601 is groove, and the diapire of groove has the sealing surface of level.
Preferred further, the two ends of sealed department 601 are provided with buffer structure 602, and buffer structure 602 can make sealed department 601 easier floating, strengthens sealability.
Preferred further, buffer structure 602 is semicircular elastic bumps.
With reference to Fig. 3, preferably, the periphery of push rod 50 is provided with annular groove 501, one end of rocking bar 40 is inserted in annular groove 501, forms the interlock with push rod.
The top of push rod 50 is provided with the first flange 502, by engaging with sealed department, push rod 50 and barrier film is connected as one; The bottom of annular groove 501 is provided with the second flange 503, for fixing the first elastic component 70.
In the present embodiment, three places that opening 21 is arranged for horizontal alignment, i.e. three-way valve, concrete, be respectively the first opening 211, second opening 212 and the 3rd opening 213, wherein the second opening 212 is public opening, accordingly, push rod 50 and sealed department 601 are two places, and it corresponds respectively to the first opening 211 and the 3rd opening 213 is arranged.Push rod 50 is connected with the two ends of rocking bar 40 respectively, under the effect of lever construction, makes and only has the push rod 50 of one end can to conflict sealed department 601, closing corresponding opening.
Preferably, pivot point is provided with the neutral position of rocking bar 40, makes the displacement of two ends push rod equal.
Second opening 212 is located in the middle part of valve gap, and the first opening 211 is arranged on the left of it, the 3rd opening 213 symmetry be arranged on right side, thus the most reasonably can reduce the overall volume of solenoid valve.
Preferred further, the passive iron core 30 of the push rod 50 be connected with rocking bar 40 right-hand member supports, and the push rod 50 be connected is socketed with the first elastic component 70 with rocking bar 40 left end, and when the rotation towards left side occurs rocking bar 40, the first elastic component 70 is compressed.
The workflow of the present embodiment three-way valve is: during electromagnet no electric circuit, dynamic iron core 30 is in original state, the push rod 50 promoting to abut with it under the effect of the second elastic component 31 rises, the sealed department 601 of correspondence is pressed on the 3rd opening 213, drive rocking bar 40 to rotate towards left side simultaneously, the push rod 50 be connected with rocking bar 40 left end declines, and compresses the first elastic component 70 and opens the first opening 211, thus fluid can flow into from the first opening 211 and flow out from the second opening 212.
After electromagnet energising, dynamic iron core 30 moves downward, while compressing the second elastic component 31, the amount of deformation of the first elastic component 70 is released, thus drive rocker 40 rotates towards right side, and the push rod 50 on right side declines, the push rod 50 in left side rises, thus the first opening 211 is closed, the 3rd opening 213 is opened, and fluid can flow into from the 3rd opening 213 and flow out from the second opening 212.
Wherein the first elastic component 70 is not limited to and is set on the push rod of left side, and it can be arranged on the position that can provide rocking bar reset power arbitrarily.
As a distortion of the present embodiment, two places that opening 21 is arranged for horizontal alignment, accordingly, push rod 50 is a place, with one end clamping of rocking bar 40, forms the structure of Twoway valves.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (9)
1. a direct action solenoid valve, comprise valve body, valve gap, diaphragm and dynamic iron core, described valve body and valve gap form cavity, described valve gap is provided with the some openings be communicated with described cavity, described diaphragm is arranged in described cavity, described dynamic iron core can valve body relatively, it is characterized in that: comprise
Rocking bar, it is rotating is arranged on described valve body, forms lever construction;
The push rod at least one place, it is connected with described rocking bar, and the described push rod being positioned at the pivot point side of described rocking bar is supported by described dynamic iron core, and can be driven generation straight line motion by described dynamic iron core, thus forces described rocking bar to rotate;
First elastic component, it resets for described rocking bar;
Described diaphragm is arranged between described opening and push rod, and it corresponds to described opening and is provided with sealed department, and corresponding opening can be closed or be opened to described sealed department with the motion of described push rod.
2. direct action solenoid valve according to claim 1, is characterized in that: described opening is two places be set up in parallel; Described push rod is a place, and it is connected with one end of described rocking bar, arranges corresponding to any place in described opening; Described sealed department is a place.
3. direct action solenoid valve according to claim 1, is characterized in that: described opening is three places be set up in parallel; Described push rod is two places, and it is connected with the two ends of described rocking bar respectively, and arrange corresponding to wherein two places in described three place's openings, described sealed department is two places.
4. direct action solenoid valve according to claim 3, it is characterized in that: described pivot point is arranged in the middle part of described rocking bar, the push rod be positioned on the right side of described fulcrum is supported by described dynamic iron core, be positioned on the push rod on the left of described fulcrum and be socketed with described first elastic component, it can be compressed towards the rotation in left side with described rocking bar.
5. direct action solenoid valve according to claim 4, is characterized in that: the described opening of both sides is positioned at middle opening symmetry relatively, and described push rod corresponds respectively to the described opening being positioned at both sides.
6. the direct action solenoid valve according to any one of Claims 1 to 5, is characterized in that: described push rod periphery is provided with annular groove, and its top is provided with flange, and described rocking bar is connected with described push rod by the mode embedding described annular groove.
7. direct action solenoid valve according to claim 6, is characterized in that: described sealed department is the groove meeting described flange shape, and the diapire of described groove has sealing surface.
8. direct action solenoid valve according to claim 7, is characterized in that: the both sides of described groove are provided with the buffer structure being beneficial to it and floating.
9. direct action solenoid valve according to claim 8, is characterized in that: described buffer structure is semicircular projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510075365.5A CN104676074A (en) | 2015-02-12 | 2015-02-12 | Direct-acting electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510075365.5A CN104676074A (en) | 2015-02-12 | 2015-02-12 | Direct-acting electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104676074A true CN104676074A (en) | 2015-06-03 |
Family
ID=53311496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510075365.5A Pending CN104676074A (en) | 2015-02-12 | 2015-02-12 | Direct-acting electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104676074A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611580A (en) * | 2018-12-28 | 2019-04-12 | 中航电测仪器股份有限公司 | A kind of rocker-arm diaphragm valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2935086A (en) * | 1955-04-18 | 1960-05-03 | Samuel K Lehman | Pilot operated valve assembly |
| EP0277055A1 (en) * | 1987-01-12 | 1988-08-03 | Abx | Microelectric switch valve with one single diaphragm |
| CN1270289A (en) * | 1999-04-14 | 2000-10-18 | Smc株式会社 | Directional control valve |
| CN201013926Y (en) * | 2007-02-06 | 2008-01-30 | 徐延安 | Swinging rod mini electromagnetic valve |
| CN101548123A (en) * | 2006-10-12 | 2009-09-30 | 弗路德自动控制系统有限公司 | Rocker valve mechanism and rocker valve |
| CN103335133A (en) * | 2013-06-20 | 2013-10-02 | 中航电测仪器股份有限公司 | Micro-orientation control electromagnetic valve |
| CN103375611A (en) * | 2012-04-20 | 2013-10-30 | 比尔克特韦尔克有限公司 | Method and manufacture of valves, valves as well as a valve bank |
| CN204512607U (en) * | 2015-02-12 | 2015-07-29 | 深圳垦拓流体控制有限公司 | A kind of direct action solenoid valve |
-
2015
- 2015-02-12 CN CN201510075365.5A patent/CN104676074A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2935086A (en) * | 1955-04-18 | 1960-05-03 | Samuel K Lehman | Pilot operated valve assembly |
| EP0277055A1 (en) * | 1987-01-12 | 1988-08-03 | Abx | Microelectric switch valve with one single diaphragm |
| CN1270289A (en) * | 1999-04-14 | 2000-10-18 | Smc株式会社 | Directional control valve |
| CN101548123A (en) * | 2006-10-12 | 2009-09-30 | 弗路德自动控制系统有限公司 | Rocker valve mechanism and rocker valve |
| CN201013926Y (en) * | 2007-02-06 | 2008-01-30 | 徐延安 | Swinging rod mini electromagnetic valve |
| CN103375611A (en) * | 2012-04-20 | 2013-10-30 | 比尔克特韦尔克有限公司 | Method and manufacture of valves, valves as well as a valve bank |
| CN103335133A (en) * | 2013-06-20 | 2013-10-02 | 中航电测仪器股份有限公司 | Micro-orientation control electromagnetic valve |
| CN204512607U (en) * | 2015-02-12 | 2015-07-29 | 深圳垦拓流体控制有限公司 | A kind of direct action solenoid valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611580A (en) * | 2018-12-28 | 2019-04-12 | 中航电测仪器股份有限公司 | A kind of rocker-arm diaphragm valve |
| CN109611580B (en) * | 2018-12-28 | 2024-06-11 | 中航电测仪器股份有限公司 | Rocker arm type diaphragm valve |
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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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150603 |