CN103591364B - A kind of three-way electromagnetical valve - Google Patents
A kind of three-way electromagnetical valve Download PDFInfo
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- CN103591364B CN103591364B CN201310580082.7A CN201310580082A CN103591364B CN 103591364 B CN103591364 B CN 103591364B CN 201310580082 A CN201310580082 A CN 201310580082A CN 103591364 B CN103591364 B CN 103591364B
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- diaphragm
- end surface
- dowel bar
- hole
- valve body
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Classifications
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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
- F16K31/0641—Multiple-way valves the valve member being a diaphragm
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention discloses a kind of three-way electromagnetical valve, comprise valve body, the upper and lower end face of valve body is respectively equipped with cavity and lower cavity, upper cavity is connected by a through hole with lower cavity, valve body side be provided be communicated with the first connecting tube of described through hole, opposite side is provided with second, third connecting tube being communicated with upper cavity and lower cavity; Valve body upper-end surface connects a upper cover, between valve body and upper cover, upper diaphragm is housed, and upper diaphragm lower end surface is provided with seal convexity and matches with described through hole upper end, and the first stage clip is housed between upper diaphragm and upper cover; Valve body lower end face connects an electromagnetic coil, static iron core, the second stage clip and dynamic iron core are housed in the center hole of electromagnetic coil successively, lower diaphragm is housed between valve body and electromagnetic coil, and lower diaphragm upper-end surface is provided with seal convexity and matches with described through hole lower end, and lower diaphragm is withstood in dynamic iron core upper end; Overlap the main dowel bar having two ends to be connected with lower diaphragm with upper diaphragm in described through hole, Corrosion Protection of the present invention is strong, reliable in action, long service life.
Description
Technical field
The present invention relates to solenoid valve, especially a kind of three-way electromagnetical valve.
Background technique
Traditional three-way solenoid valve a kind of patent No. disclosed in 17 days April in 2002 is " a kind of three-way solenoid valve " of ZL01243641.0, can know from its accompanying drawing and find out, its valve body is provided with left tube chamber, right tube chamber and lower tube chamber, valve body is built with valve rod assembly, the top of valve body connects non-magnetic pipe assembly by upper cover, dynamic iron core is contained in non-magnetic tube assembly, static iron core is contained in non-magnetic tube assembly top, move, between iron core and static iron core, return spring is housed, dynamic iron core is connected with valve rod assembly, move by the spring band ovable valve stem assembly of dynamic iron core action and return spring and reset, realize left tube chamber to be communicated with right tube chamber or being communicated with of right tube chamber and lower tube chamber, but this valve rod assembly that utilizes carries out the structure switched, valve rod assembly, dynamic iron core and return spring can directly contact with between fluid, once fluid band is corrosive, valve rod assembly, dynamic iron core and return spring just there will be rust corrosion, dynamic iron core and return spring easily stuck, the reliability of its action is lower, working life is also shorter, its applicable flowing medium is also less simultaneously, application area is narrower.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of three-way electromagnetical valve, and its Corrosion Protection is strong, and reliable in action, working life is longer.
For achieving the above object, technological scheme of the present invention is: a kind of three-way electromagnetical valve, comprise valve body, the upper-end surface of valve body is provided with cavity, the lower end surface of valve body is provided with lower cavity, described upper cavity is connected by a through hole with lower cavity, the side of valve body is provided with the first connecting tube, the opposite side of valve body is provided with the second connecting tube and the 3rd connecting tube, the endoporus of the first connecting tube is communicated to the middle part of described through hole, second connecting tube endoporus is communicated to described upper cavity, and the 3rd connecting tube is communicated to described lower cavity;
The upper-end surface of valve body connects a upper cover, between the upper-end surface of valve body and upper cover, upper diaphragm is housed, the periphery of upper diaphragm lower end surface is fitted in the upper-end surface of valve body, the centre of upper diaphragm lower end surface is provided with seal convexity and matches with the upper end of described through hole, and the first stage clip is housed between the upper-end surface of upper diaphragm and upper cover;
The lower end surface of valve body connects an electromagnetic coil, static iron core and dynamic iron core are housed in the center hole of electromagnetic coil skeleton, move and the second stage clip is housed between iron core and static iron core, between the lower end surface of valve body and electromagnetic coil skeleton, lower diaphragm is housed, the periphery of lower diaphragm upper-end surface is fitted in the lower end surface of valve body, the centre of lower diaphragm upper-end surface is provided with seal convexity and matches with the lower end of described through hole, and the upper end of dynamic iron core withstands on the lower end surface of lower diaphragm;
In described through hole, cover has a main dowel bar, and the two ends of main dowel bar are connected with lower diaphragm upper-end surface seal convexity with upper diaphragm lower end surface seal convexity respectively;
Described electromagnetic coil obtains electronic iron core and moves down, and the first stage clip drives the seal convexity of upper diaphragm to move down and drives the seal convexity of lower diaphragm to move down to make the seal convexity of upper diaphragm touch the upper end of described through hole by main dowel bar and the seal convexity of lower diaphragm departs from the lower end of described through hole;
Described electromagnetic coil dead electricity second stage clip makes iron core moves, and dynamic iron core is driven the seal convexity of lower diaphragm to move and is driven by main dowel bar the seal convexity of upper diaphragm moves and makes the seal convexity of upper diaphragm depart from the upper end of described through hole and the seal convexity of lower diaphragm touch the lower end of described through hole.
Preferred described upper diaphragm is identical with lower diaphragm structure.To facilitate manufacture, reduce manufacture cost.
Further improvement, on seal convexity in the middle of described upper diaphragm lower end surface, cover has upper dowel bar, on seal convexity in the middle of lower diaphragm upper-end surface, cover has lower dowel bar, the lower end surface of upper dowel bar is provided with positioning hole and described main dowel bar upper end plugs, upper diaphragm connects the first stage clip by upper dowel bar, the upper-end surface of lower dowel bar is provided with positioning hole and described main dowel bar lower end plugs, and lower diaphragm connects dynamic iron core by lower dowel bar.Can available protecting upper diaphragm and lower diaphragm, and improve the reliability of upper diaphragm intermediate seal protruding and lower diaphragm intermediate seal projection movement.
Preferred described upper dowel bar is identical with lower dowel bar structure.To facilitate manufacture, reduce manufacture cost.
Further improvement, the top of described main dowel bar is provided with locating shoulder, bottom is provided with lower locating shoulder, and the upper locating shoulder on main dowel bar top is connected to the lower end surface of dowel bar, and the lower locating shoulder of main dowel bar bottom is connected to the upper-end surface of lower dowel bar.To facilitate being interconnected and location of main dowel bar and upper dowel bar and lower dowel bar.
Further improvement, on described electromagnetic coil skeleton, cover has yoke, and the upper-end surface of yoke is provided with resigning hole, and described dynamic iron core through described resigning hole, also can be equipped with seal ring between yoke upper-end surface and lower diaphragm.To promote the suction of electromagnetic coil and to improve the tightness of whole solenoid valve further.
Improve further, the outside of described yoke is also overlapped has a protective housing to encase whole electromagnetic coil again.Both improved outward appearance, and can protect electromagnetic coil again.
Improve further, described valve body lower end face is provided with multiple locating column again, and the upper-end surface of yoke is provided with multiple positioning hole and matches with multiple described locating column.Facilitate cooperatively interacting and locating of valve body and electromagnetic coil.
Further improvement, the edge of described upper cover upwards extends a mounting plate, and mounting plate is provided with multiple mounting hole.To facilitate the installation of whole solenoid valve.
The present invention due to flowing medium by upper diaphragm and lower diaphragm seal in the die cavity and fluid-transporting tubing of valve body, flowing medium does not directly contact with other parts of solenoid valve, therefore its Corrosion Protection is strong, moving element such as dynamic iron core, the first stage clip, second stage clip of solenoid valve are just not easy to occur that rust corrosion is stuck, guarantee solenoid valve Reliability of Microprocessor, extend solenoid valve working life, flowing medium applicatory is more simultaneously, and application area is wider.
The present invention can be applied to the place such as PM2.5 ANALYZER, medical analytical instrument preferably.
Accompanying drawing explanation
Fig. 1 is plan view of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is stereogram of the present invention;
Fig. 4 is three-dimensional exploded view of the present invention;
Fig. 5 is valve body plan view of the present invention;
Fig. 6 is the B-B sectional view of Fig. 5;
Fig. 7 is the C-C sectional view of Fig. 5;
Fig. 8 is the plan view of Fig. 5;
Fig. 9 is the worm's eye view of Fig. 5;
Figure 10 is the stereo amplification figure of upper diaphragm;
Figure 11 is the stereo amplification figure of lower diaphragm;
Figure 12 is the stereo amplification figure of upper dowel bar;
Figure 13 is the stereo amplification figure of main dowel bar;
Figure 14 is the stereo amplification figure of lower dowel bar.
Embodiment
Below in conjunction with accompanying drawing and concrete mode of execution, the present invention is described in further detail.
Shown in Fig. 1 to Figure 14, a kind of three-way electromagnetical valve, comprise valve body 1, the upper-end surface of valve body 1 is provided with cavity 11, the lower end surface of valve body 1 is provided with lower cavity 12, described upper cavity 11 is connected by a through hole 13 with lower cavity 12, the side of valve body 1 is provided with the first connecting tube 14, the opposite side of valve body 1 is provided with the second connecting tube 15 and the 3rd connecting tube 16, the endoporus of the first connecting tube 14 is communicated to the middle part of described through hole 13, second connecting tube 15 endoporus is communicated to described upper cavity the 11, three connecting tube 16 and is communicated to described lower cavity 12;
The upper-end surface of valve body 1 connects a upper cover 2, upper diaphragm 3 is housed between the upper-end surface of valve body 1 and upper cover, the periphery of upper diaphragm 3 lower end surface is fitted in the upper-end surface of valve body 2, the centre of upper diaphragm 3 lower end surface is provided with seal convexity 31 and matches with the upper end of described through hole 13, and the first stage clip 4 is housed between the upper-end surface of upper diaphragm 3 and upper cover 2;
The lower end surface of valve body 1 connects an electromagnetic coil 5, static iron core 52 and dynamic iron core 53 are housed in the center hole of the skeleton 51 of electromagnetic coil 5, move and the second stage clip 6 is housed between iron core 53 and static iron core 52, between the lower end surface of valve body 1 and electromagnetic coil skeleton 51, lower diaphragm 7 is housed, the periphery of lower diaphragm 7 upper-end surface is fitted in the lower end surface of valve body 1, and the centre of lower diaphragm 7 upper-end surface is provided with seal convexity 71 and matches with the lower end of described through hole 13;
In described through hole 13, cover has a main dowel bar 8, the top of main dowel bar 8 is provided with locating shoulder 81, bottom is provided with lower locating shoulder 82, on seal convexity 31 in the middle of described upper diaphragm 3 lower end surface, cover has upper dowel bar 9, the lower end surface of upper dowel bar 9 is provided with positioning hole 91 and plugs with described main dowel bar 8 upper end, the upper locating shoulder 81 on the top of main dowel bar 8 is connected on the lower end surface of dowel bar 9, upper diaphragm 3 connects the first stage clip 4 by upper dowel bar 9, on seal convexity 71 in the middle of described lower diaphragm 7 upper-end surface, cover has lower dowel bar 10, the upper-end surface of lower dowel bar 10 is provided with positioning hole 101 and plugs with described main dowel bar 8 lower end, the lower locating shoulder 82 of the bottom of main dowel bar 8 is connected on the upper-end surface of lower dowel bar 10, the lower end surface of lower diaphragm 7 is withstood in the upper end of dynamic iron core 53 by lower dowel bar 10,
On described electromagnetic coil skeleton 51, cover has yoke 54, and the upper-end surface of yoke 54 is provided with resigning hole, and described dynamic iron core 53 through described resigning hole, can also be equipped with seal ring 55 between yoke 54 upper-end surface and lower diaphragm 7.
Described valve body 1 lower end surface is provided with multiple locating column 17, and the upper-end surface of yoke 54 is provided with multiple positioning hole and matches with multiple described locating column 17;
The outside of described yoke 54 is also overlapped has a protective housing 56 to encase whole electromagnetic coil 5;
The edge of described upper cover 2 upwards extends a mounting plate 21, and mounting plate 21 is provided with multiple mounting hole 211.
The elastic force of described second stage clip 6 is greater than the elastic force of the first stage clip 4, and the suction that electromagnetic coil 5 produces is greater than the elastic force of the second stage clip 6.
Can find out further from Figure 10 and Figure 11, upper diaphragm 3 is identical with lower diaphragm 7 structure; Can find out further from Figure 12 and Figure 14, upper dowel bar 9 is identical with lower dowel bar 10 structure.
Shown in composition graphs 2 and Fig. 4, move iron core 53 when described electromagnetic coil 5 obtains electric to move down, first stage clip 4 drives the seal convexity 31 of upper diaphragm 3 to move down by upper dowel bar 9 and by main dowel bar 8, lower dowel bar 10 drives the seal convexity 71 of lower diaphragm 7 to move down to make the seal convexity 31 of upper diaphragm 3 touch the upper end of described through hole 13 and the seal convexity 71 of lower diaphragm 7 departs from the lower end of described through hole 13, now the endoporus of the first connecting tube 14 is connected with the endoporus of lower cavity 12 with the 3rd connecting tube 16 by described through hole 13, the endoporus of the first connecting tube 14 is not communicated with the endoporus of the second connecting tube 15,
When described electromagnetic coil 5 dead electricity second stage clip 6 makes iron core 53 moves, dynamic iron core 53 is driven by lower dowel bar 10 and the seal convexity 71 of lower diaphragm 7 to move and by main dowel bar 8, upper dowel bar 9 drives the seal convexity 31 of upper diaphragm 3 moves and makes the seal convexity 31 of upper diaphragm 3 depart from the upper end of described through hole 13 and the seal convexity 71 of lower diaphragm 7 touch the lower end of described through hole 13, now the endoporus of the first connecting tube 14 is connected with the endoporus of upper cavity 11 with the second connecting tube 15 by described through hole 13, the endoporus of the first connecting tube 14 is not communicated with the endoporus of the 3rd connecting tube 16.
Below be only the present invention's preferred embodiment, those skilled in the art makes by claim the protection domain that equivalent change all falls into this case.
Claims (9)
1. a three-way electromagnetical valve, comprises valve body, it is characterized in that:
The upper-end surface of valve body is provided with cavity, the lower end surface of valve body is provided with lower cavity, described upper cavity is connected by a through hole with lower cavity, the side of valve body is provided with the first connecting tube, the opposite side of valve body is provided with the second connecting tube and the 3rd connecting tube, the endoporus of the first connecting tube is communicated to the middle part of described through hole, and the second connecting tube endoporus is communicated to described upper cavity, and the 3rd connecting tube is communicated to described lower cavity;
The upper-end surface of valve body connects a upper cover, between the upper-end surface of valve body and upper cover, upper diaphragm is housed, the periphery of upper diaphragm lower end surface is fitted in the upper-end surface of valve body, the centre of upper diaphragm lower end surface is provided with seal convexity and matches with the upper end of described through hole, and the first stage clip is housed between the upper-end surface of upper diaphragm and upper cover;
The lower end surface of valve body connects an electromagnetic coil, static iron core and dynamic iron core are housed in the center hole of electromagnetic coil skeleton, move and the second stage clip is housed between iron core and static iron core, between the lower end surface of valve body and electromagnetic coil skeleton, lower diaphragm is housed, the periphery of lower diaphragm upper-end surface is fitted in the lower end surface of valve body, the centre of lower diaphragm upper-end surface is provided with seal convexity and matches with the lower end of described through hole, and the upper end of dynamic iron core withstands on the lower end surface of lower diaphragm;
In described through hole, cover has a main dowel bar, and the two ends of main dowel bar are connected with lower diaphragm upper-end surface seal convexity with upper diaphragm lower end surface seal convexity respectively;
Described electromagnetic coil obtains electronic iron core and moves down, and the first stage clip drives the seal convexity of upper diaphragm to move down and drives the seal convexity of lower diaphragm to move down to make the seal convexity of upper diaphragm touch the upper end of described through hole by main dowel bar and the seal convexity of lower diaphragm departs from the lower end of described through hole;
Described electromagnetic coil dead electricity second stage clip makes iron core moves, and dynamic iron core is driven the seal convexity of lower diaphragm to move and is driven by main dowel bar the seal convexity of upper diaphragm moves and makes the seal convexity of upper diaphragm depart from the upper end of described through hole and the seal convexity of lower diaphragm touch the lower end of described through hole.
2. a kind of three-way electromagnetical valve according to claim 1, is characterized in that: described upper diaphragm is identical with lower diaphragm structure.
3. a kind of three-way electromagnetical valve according to claim 1, it is characterized in that: on the seal convexity in the middle of described upper diaphragm lower end surface, cover has upper dowel bar, on seal convexity in the middle of lower diaphragm upper-end surface, cover has lower dowel bar, the lower end surface of upper dowel bar is provided with positioning hole and described main dowel bar upper end plugs, upper diaphragm connects the first stage clip by upper dowel bar, the upper-end surface of lower dowel bar is provided with positioning hole and described main dowel bar lower end plugs, and lower diaphragm connects dynamic iron core by lower dowel bar.
4. a kind of three-way electromagnetical valve according to claim 3, is characterized in that: described upper dowel bar is identical with lower dowel bar structure.
5. a kind of three-way electromagnetical valve according to claim 3, it is characterized in that: the top of described main dowel bar is provided with locating shoulder, bottom is provided with lower locating shoulder, the upper locating shoulder on main dowel bar top is connected to the lower end surface of dowel bar, and the lower locating shoulder of main dowel bar bottom is connected to the upper-end surface of lower dowel bar.
6. a kind of three-way electromagnetical valve according to claim 1, it is characterized in that: on described electromagnetic coil skeleton, cover has yoke, the upper-end surface of yoke is provided with resigning hole, and described dynamic iron core through described resigning hole, also can be equipped with seal ring between yoke upper-end surface and lower diaphragm.
7. a kind of three-way electromagnetical valve according to claim 6, is characterized in that: the outside of described yoke is also overlapped has a protective housing to encase whole electromagnetic coil.
8. a kind of three-way electromagnetical valve according to claim 6, is characterized in that: described valve body lower end face is provided with multiple locating column, and the upper-end surface of yoke is provided with multiple positioning hole and matches with multiple described locating column.
9. a kind of three-way electromagnetical valve according to any one of claim 1 to 8, is characterized in that: the edge of described upper cover upwards extends a mounting plate, and mounting plate is provided with multiple mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310580082.7A CN103591364B (en) | 2013-11-19 | 2013-11-19 | A kind of three-way electromagnetical valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310580082.7A CN103591364B (en) | 2013-11-19 | 2013-11-19 | A kind of three-way electromagnetical valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103591364A CN103591364A (en) | 2014-02-19 |
| CN103591364B true CN103591364B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310580082.7A Active CN103591364B (en) | 2013-11-19 | 2013-11-19 | A kind of three-way electromagnetical valve |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2486796Y (en) * | 2001-06-26 | 2002-04-17 | 秦延昌 | Electromagnetic three way valve |
| JP2002340215A (en) * | 2001-05-18 | 2002-11-27 | Aisin Seiki Co Ltd | Solenoid valve |
| CN1293331C (en) * | 2001-09-04 | 2007-01-03 | 速睦喜股份有限公司 | Electromagnetic valve |
| CN201795102U (en) * | 2010-08-05 | 2011-04-13 | 厦门坤锦电子科技有限公司 | Electromagnetic air valve for controlling opening and closing of multiple channels |
| CN201802951U (en) * | 2010-08-05 | 2011-04-20 | 厦门坤锦电子科技有限公司 | Pilot type electromagnetic valve |
| CN201802911U (en) * | 2010-08-05 | 2011-04-20 | 厦门坤锦电子科技有限公司 | Pipe clamping electromagnetic valve |
| CN202884193U (en) * | 2012-10-09 | 2013-04-17 | 中国航空工业集团公司上海航空测控技术研究所 | Three-way electromagnetic valve applied to airplane oxygen concentrator system |
| CN203571180U (en) * | 2013-11-19 | 2014-04-30 | 厦门坤锦电子科技有限公司 | Novel electromagnetic three-way valve |
-
2013
- 2013-11-19 CN CN201310580082.7A patent/CN103591364B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002340215A (en) * | 2001-05-18 | 2002-11-27 | Aisin Seiki Co Ltd | Solenoid valve |
| CN2486796Y (en) * | 2001-06-26 | 2002-04-17 | 秦延昌 | Electromagnetic three way valve |
| CN1293331C (en) * | 2001-09-04 | 2007-01-03 | 速睦喜股份有限公司 | Electromagnetic valve |
| CN201795102U (en) * | 2010-08-05 | 2011-04-13 | 厦门坤锦电子科技有限公司 | Electromagnetic air valve for controlling opening and closing of multiple channels |
| CN201802951U (en) * | 2010-08-05 | 2011-04-20 | 厦门坤锦电子科技有限公司 | Pilot type electromagnetic valve |
| CN201802911U (en) * | 2010-08-05 | 2011-04-20 | 厦门坤锦电子科技有限公司 | Pipe clamping electromagnetic valve |
| CN202884193U (en) * | 2012-10-09 | 2013-04-17 | 中国航空工业集团公司上海航空测控技术研究所 | Three-way electromagnetic valve applied to airplane oxygen concentrator system |
| CN203571180U (en) * | 2013-11-19 | 2014-04-30 | 厦门坤锦电子科技有限公司 | Novel electromagnetic three-way valve |
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| Publication number | Publication date |
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| CN103591364A (en) | 2014-02-19 |
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