CN203571180U - Novel electromagnetic three-way valve - Google Patents
Novel electromagnetic three-way valve Download PDFInfo
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- CN203571180U CN203571180U CN201320730714.9U CN201320730714U CN203571180U CN 203571180 U CN203571180 U CN 203571180U CN 201320730714 U CN201320730714 U CN 201320730714U CN 203571180 U CN203571180 U CN 203571180U
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- end surface
- diaphragm
- dowel bar
- valve body
- hole
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Abstract
The utility model discloses a novel electromagnetic three-way valve. The valve comprises a valve body, wherein an upper cavity and a lower cavity are formed in the upper end face and the lower end face of the valve body respectively, the upper cavity and the lower cavity are communicated through a through hole, a first connecting pipe communicated with the through hole is arranged on one side of the valve body, and a second connecting pipe and a third connecting pipe which are used for communicating the upper cavity and the lower cavity are arranged on the other side of the valve body; an upper cover is connected to the upper end face of the valve body, an upper diagram is installed between the valve body and the upper cover, a sealing protrusion is arranged on the lower end face of the upper diagram and matched with the upper end of the through hole, and a first pressure spring is installed between the upper diagram and the upper cover; an electromagnetic coil is connected to the lower end face of the valve body, a static iron core, a second pressure spring and a movable iron core are sequentially installed in a center hole of the electromagnetic coil, a lower diagram is installed between the valve body and the electromagnetic coil, a sealing protrusion is arranged on the upper end face of the lower diagram and matched with the lower end of the through hole, and the lower diagram is supported by the upper end of the movable iron core; a main force transmission rod with the two ends connected with the upper diagram and the lower diagram is arranged in the through hole in a sleeved mode. The novel electromagnetic three-way valve is high in corrosion resistance, reliable in action and long in service life.
Description
Technical field
The utility model relates to solenoid valve, especially a kind of three-way electromagnetical valve.
Background technique
Traditional three-way solenoid valve is as " a kind of three-way solenoid valve " that on April 17th, 2002, disclosed a kind of patent No. was ZL01243641.0, from its accompanying drawing, can know and find out, its valve body is provided with left tube chamber, right tube chamber and lower tube chamber, valve rod assembly is housed in valve body, the top of valve body connects non-magnetic tube assembly by upper cover, moving iron core is contained in non-magnetic tube assembly, static iron core is contained in non-magnetic tube assembly top, between moving iron core and static iron core, return spring is housed, moving iron core is connected with valve rod assembly, spring band ovable valve stem assembly by moving iron core action and return spring moves and resets, realize that left tube chamber is communicated with right tube chamber or being communicated with of right tube chamber and lower tube chamber, but this structure of utilizing valve rod assembly to switch, valve rod assembly, moving iron core and return spring are with directly contact between fluid, once fluid band is corrosive, valve rod assembly, moving iron core and return spring just there will be rust corrosion, moving iron core and return spring are 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.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of three-way electromagnetical valve, and its Corrosion Protection is strong, reliable in action, and working life is longer.
For achieving the above object, the technical solution of the utility model 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, shown in upper cavity and lower cavity by a through hole, be connected, one 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, 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 moving iron core are housed in the center hole of electromagnetic coil skeleton, between moving iron core and static iron core, the second stage clip is housed, lower diaphragm is housed between the lower end surface of valve body and electromagnetic coil skeleton, 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 moving 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 to touch the upper end of described through hole and the seal convexity of lower diaphragm departs from the lower end of described through hole by main dowel bar;
Described electromagnetic coil dead electricity the second stage clip makes to move on iron core, and moving iron core drives on the seal convexity of lower diaphragm, to move and drive by main dowel bar and on the seal convexity of upper diaphragm, moves the lower end that makes the seal convexity of upper diaphragm depart from the upper end of described through hole and the seal convexity of lower diaphragm to touch described through hole.
Preferred described upper diaphragm is identical with lower diaphragm structure.To facilitate manufacture, reduce manufacture cost.
Further improve, 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 moving iron core by lower dowel bar.Upper diaphragm and lower diaphragm be can effectively protect, and upper diaphragm intermediate seal projection and the mobile reliability of lower diaphragm intermediate seal projection improved.
Preferably described upper dowel bar is identical with lower dowel bar structure.To facilitate manufacture, reduce manufacture cost.
Further improve, the top of described main dowel bar is provided with location shoulder, bottom is provided with lower location shoulder, and the upper location shoulder on main dowel bar top is connected to the lower end surface of dowel bar, and the lower location shoulder of main dowel bar bottom is connected to the upper-end surface of lower dowel bar.To facilitate interconnecting and locating of main dowel bar and upper dowel bar and lower dowel bar.
Further improve, on described electromagnetic coil skeleton, cover has yoke, the upper-end surface of yoke to be provided with to allow through hole, and described moving iron core can pass described resigning hole, between yoke upper-end surface and lower diaphragm, seal ring is also housed.To promote suction and the further tightness that improves whole solenoid valve of electromagnetic coil.
Further improve, the outside of described yoke is also overlapped has a protection housing to encase whole electromagnetic coil again.Both improved outward appearance, and can protect electromagnetic coil again.
Further improve, described valve body lower end face is provided with multiple locating columns again, and the upper-end surface of yoke is provided with multiple positioning holes and matches with multiple described locating columns.Facilitate cooperatively interacting and locating of valve body and electromagnetic coil.
Further improve, the edge of described upper cover upwards extends a mounting plate, and mounting plate is provided with multiple mounting holes.To facilitate the installation of whole solenoid valve.
The utility model 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, the moving element of solenoid valve is just not easy to occur that rust corrosion is stuck as moving iron core, the first stage clip, the second stage clip, guarantee solenoid valve Reliability of Microprocessor, extended solenoid valve working life, flowing medium applicatory is more simultaneously, and application area is wider.
The utility model can be applied to the places such as PM2.5 ANALYZER, medical analytical instrument preferably.
Accompanying drawing explanation
Fig. 1 is the utility model plan view;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the utility model stereogram;
Fig. 4 is the utility model three-dimensional exploded view;
Fig. 5 is the utility model valve body plan view;
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 utility model 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, shown in upper cavity 11 and lower cavity 12 by a through hole 13, be connected, one 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, the second connecting tube 15 endoporus are communicated to described upper cavity 11, the three connecting tubes 16 and are 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 surfaces is fitted in the upper-end surface of valve body 2, the centre of upper diaphragm 3 lower end surfaces 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 moving iron core 53 are housed in the center hole of the skeleton 51 of electromagnetic coil 5, between moving iron core 53 and static iron core 52, the second stage clip 6 is housed, lower diaphragm 7 is housed between the lower end surface of valve body 1 and electromagnetic coil skeleton 51, the periphery of lower diaphragm 7 upper-end surfaces is fitted in the lower end surface of valve body 1, and the centre of lower diaphragm 7 upper-end surfaces 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 location shoulder 81, bottom is provided with lower location shoulder 82, on seal convexity 31 in the middle of described upper diaphragm 3 lower end surfaces, 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 ends, the upper location 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 surfaces, 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 ends, the lower location 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 that lower diaphragm 7 is withstood by lower dowel bar 10 in the upper end of moving iron core 53,
On described electromagnetic coil skeleton 51, cover has yoke 54, the upper-end surface of yoke 54 to be provided with to allow through hole, and described moving iron core 53 can pass described resigning hole, between yoke 54 upper-end surfaces and lower diaphragm 7, seal ring 55 is also housed.
Described valve body 1 lower end surface is provided with multiple locating columns 17, and the upper-end surface of yoke 54 is provided with multiple positioning holes and matches with multiple described locating columns 17;
The outside of described yoke 54 is also overlapped has a protection 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 holes 211.
The elastic force of described the 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.
From Figure 10 and Figure 11, can further find out, upper diaphragm 3 is identical with lower diaphragm 7 structures; From Figure 12 and Figure 14, can further find out, upper dowel bar 9 is identical with lower dowel bar 10 structures.
Shown in Fig. 2 and Fig. 4, when described electromagnetic coil 5 when electric moving iron core 53 move down, the first stage clip 4 drives the seal convexity 31 of upper diaphragm 3 to move down by upper dowel bar 9 and passes through main dowel bar 8, lower dowel bar 10 drives the seal convexity 71 of lower diaphragms 7 to move down to make the seal convexity 31 of upper diaphragm 3 to 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 the 3rd connecting tube 16 by described through hole 13 and lower cavity 12, 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 the second stage clips 6 make to move on iron core 53, moving iron core 53 drives by lower dowel bar 10 and on the seal convexity 71 of lower diaphragms 7, moves and pass through main dowel bar 8, upper dowel bar 9 drives and on the seal convexity 31 of upper diaphragm 3, moves the lower end that 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 to touch described through hole 13, now the endoporus of the first connecting tube 14 is connected with the endoporus of the second connecting tube 15 by described through hole 13 and upper cavity 11, the endoporus of the first connecting tube 14 is not communicated with the endoporus of the 3rd connecting tube 16.
Below be only preferred embodiment of the utility model, the change that those skilled in the art does to be equal to by claim all falls into the protection domain of 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, shown in upper cavity and lower cavity by a through hole, be connected, one 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 moving iron core are housed in the center hole of electromagnetic coil skeleton, between moving iron core and static iron core, the second stage clip is housed, lower diaphragm is housed between the lower end surface of valve body and electromagnetic coil skeleton, 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 moving 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 to touch the upper end of described through hole and the seal convexity of lower diaphragm departs from the lower end of described through hole by main dowel bar;
Described electromagnetic coil dead electricity the second stage clip makes to move on iron core, and moving iron core drives on the seal convexity of lower diaphragm, to move and drive by main dowel bar and on the seal convexity of upper diaphragm, moves the lower end that makes the seal convexity of upper diaphragm depart from the upper end of described through hole and the seal convexity of lower diaphragm to touch 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 moving 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 location shoulder, bottom is provided with lower location shoulder, the upper location shoulder on main dowel bar top is connected to the lower end surface of dowel bar, and the lower location 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 and allows through hole, and described moving iron core can pass described resigning hole, between yoke upper-end surface and lower diaphragm, seal ring is also housed.
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 protection 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 columns, and the upper-end surface of yoke is provided with multiple positioning holes and matches with multiple described locating columns.
9. according to a kind of three-way electromagnetical valve described in claim 1 to 8 any one, it is characterized in that: the edge of described upper cover upwards extends a mounting plate, mounting plate is provided with multiple mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320730714.9U CN203571180U (en) | 2013-11-19 | 2013-11-19 | Novel electromagnetic three-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320730714.9U CN203571180U (en) | 2013-11-19 | 2013-11-19 | Novel electromagnetic three-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203571180U true CN203571180U (en) | 2014-04-30 |
Family
ID=50538911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320730714.9U Withdrawn - After Issue CN203571180U (en) | 2013-11-19 | 2013-11-19 | Novel electromagnetic three-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203571180U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591364A (en) * | 2013-11-19 | 2014-02-19 | 厦门坤锦电子科技有限公司 | Novel electromagnetism three-way valve |
| CN106438961A (en) * | 2016-08-30 | 2017-02-22 | 宁波星宇国均汽车电磁阀有限公司 | Electromagnetic valve of automatic gearbox |
-
2013
- 2013-11-19 CN CN201320730714.9U patent/CN203571180U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591364A (en) * | 2013-11-19 | 2014-02-19 | 厦门坤锦电子科技有限公司 | Novel electromagnetism three-way valve |
| CN103591364B (en) * | 2013-11-19 | 2015-10-28 | 厦门坤锦电子科技有限公司 | A kind of three-way electromagnetical valve |
| CN106438961A (en) * | 2016-08-30 | 2017-02-22 | 宁波星宇国均汽车电磁阀有限公司 | Electromagnetic valve of automatic gearbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140430 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |