CN207298035U - A kind of electromagnetic drive type micro flow valve - Google Patents
A kind of electromagnetic drive type micro flow valve Download PDFInfo
- Publication number
- CN207298035U CN207298035U CN201721378496.1U CN201721378496U CN207298035U CN 207298035 U CN207298035 U CN 207298035U CN 201721378496 U CN201721378496 U CN 201721378496U CN 207298035 U CN207298035 U CN 207298035U
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- CN
- China
- Prior art keywords
- permanent magnet
- coil
- lower permanent
- block plate
- pyrolytic graphite
- 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.)
- Expired - Fee Related
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model provides a kind of electromagnetic drive type micro flow valve, by valve body, upper permanent magnet, coil, pyrolytic graphite, packing ring, lower permanent magnet, block plate and body cap are formed, liquid inlet and liquid outlet are provided with body cap, when no current in coil, since upper permanent magnet is opposite with lower permanent magnet magnetization direction, repulsion can be produced between upper permanent magnet and lower permanent magnet, liquid inlet is closed at this time, after appropriate electric current is passed through in coil, induced field can be produced in coil, when induced field caused by the coil is sufficiently large, lower permanent magnet can be attracted to drive block plate to move up, so that liquid inlet and liquid outlet are in connected state.The utility model is simple in structure, low in energy consumption, fast response time, and due to being provided with pyrolytic graphite plate so that lower permanent magnet is more uniformly stressed, it is not easy to inclination is produced in uphill process, so that structure is more stablized, reliably.
Description
Technical field
It the utility model is related to solenoid valve market, more particularly to a kind of electromagnetic drive type micro flow valve.
Background technology
Micro electromagnetic flow valve is widely used, and is indispensable key in automation control system
Component, current micro electromagnetic flow valve is in the prevalence of the problems such as complicated, power consumption is big, and response speed is slow.
The content of the invention
The utility model provides a kind of electromagnetic drive type micro flow valve, to solve existing micro electromagnetic flow valve institute
There are the problems such as complicated, power consumption is big, and response speed is slow.
What the technical solution of the utility model was realized in.
A kind of electromagnetic drive type micro flow valve, by valve body, upper permanent magnet, coil, pyrolytic graphite, packing ring, lower permanent magnet,
Block plate and body cap are formed, and are provided with liquid inlet and liquid outlet on the body cap, the upper permanent magnet, pyrolytic graphite,
Lower permanent magnet and block plate are cylinder, and upper permanent magnet, pyrolytic graphite, the axis of lower permanent magnet and block plate overlap, on forever
The direction of magnetization of magnet and lower permanent magnet is axial direction, and the direction of magnetization of upper permanent magnet and lower permanent magnet is on the contrary, on described
Permanent magnet is arranged on upper surface center in valve body cavity body, and the block plate upper surface is provided with lower permanent magnet, when no current in coil
When, due to upper permanent magnet and lower permanent magnet magnetization direction on the contrary, repulsion can be produced between upper permanent magnet and lower permanent magnet, liquid at this time
Body entrance is closed, and after appropriate electric current is passed through in coil, induced field, the coil institute can be produced in coil
When the induced field of generation is sufficiently large, lower permanent magnet can be attracted to drive block plate to move up so that liquid inlet and liquid outlet
In connected state.
The pyrolytic graphite is arranged in valve body cavity body, and between upper permanent magnet and lower permanent magnet, the pyrolysis
There is certain cavity space, the pyrolytic graphite is connected solid by bonding agent with valve interior wall between graphite and lower permanent magnet
Fixed, the setting of pyrolytic graphite can be effectively improved the uniformity of magnetic force suffered by lower permanent magnet.
The coil may be configured as individual layer, bilayer or lattice coil, be preferably lattice coil to strengthen the sensing of generation
Magnetic field intensity.
The valve body, packing ring, body cap and block plate are that non-permeable material is formed.
The upper permanent magnet and lower permanent magnet may be selected to use ndfeb magnet.
The lower permanent magnet is arranged on block plate upper surface center, while should ensure that the outside cylinder of block plate lower face and block plate
Surface roughness is less than 3.2.The body cap upper surface is parallel with block plate lower face, while should ensure that the table of body cap upper surface
Surface roughness is less than 3.2.
In the presence of the utility model solves the problems, such as background technology, there is following gain effect.
A kind of electromagnetic drive type micro flow valve arrangement is simple, low in energy consumption, fast response time, and due to being provided with pyrolysis
Graphite cake so that lower permanent magnet is more uniformly stressed, it is not easy to inclination is produced in uphill process, so that structure is more steady
It is fixed, reliably.
Brief description of the drawings
Fig. 1 is structure diagram when not being passed through electric current in coil.
Fig. 2 is structure diagram when electric current is passed through in coil.
Description of symbols in figure.
1. valve body, permanent magnet on 2., 3. coils, 4. pyrolytic graphites, 5. packing rings, 6. times permanent magnets, 7. block plates, 8. valve bodies
Lid, 9. liquid inlets, 10 liquid outlets.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Embodiment 1.
As shown in Figure 1, a kind of electromagnetic drive type micro flow valve, by valve body（1）, upper permanent magnet（2）, coil（3）, pyrolysis
Graphite（4）, packing ring（5）, lower permanent magnet（6）, block plate（7）And body cap（8）Form, the body cap（8）On be provided with liquid
Entrance（9）And liquid outlet（10）, the upper permanent magnet（2）, pyrolytic graphite（4）, lower permanent magnet（6）And block plate（7）It is circle
Cylinder, and upper permanent magnet（2）, pyrolytic graphite（4）, lower permanent magnet（6）And block plate（7）Axis overlap, upper permanent magnet（2）With
Lower permanent magnet（6）The direction of magnetization be axial direction, and upper permanent magnet（2）With lower permanent magnet（6）The direction of magnetization on the contrary, described
Pyrolytic graphite（4）It is arranged at valve body（1）In cavity, and it is located at upper permanent magnet（2）With lower permanent magnet（6）Between, and it is described
Pyrolytic graphite（4）With lower permanent magnet（6）Between there is certain cavity space, the pyrolytic graphite（4）Pass through bonding agent and valve
Body（1）Inner wall is connected.The valve body（1）, packing ring（5）, body cap（8）And block plate（7）It is that non-permeable material is formed.Institute
State permanent magnet（2）It is arranged on valve body（1）Upper surface center in cavity, upper permanent magnet（2）With lower permanent magnet（6）Using N35 types
Ndfeb magnet.The lower permanent magnet（6）It is arranged on block plate（7）Upper surface, while block plate（7）Lower face and block plate（7）'s
Outer cylinder surface roughness is 1.6.The body cap（8）Upper surface and block plate（7）Lower face is parallel, while body cap（8）On
The surface roughness of end face is 1.6.The coil（3）Three layer line circles are arranged to, work as coil（3）During middle no current, due to it is upper forever
Magnet（2）With lower permanent magnet（6）The direction of magnetization is on the contrary, upper permanent magnet（2）With lower permanent magnet（6）Between can produce repulsion, at this time
Liquid inlet（9）It is closed.
Embodiment 2.
As shown in Fig. 2, a kind of electromagnetic drive type micro flow valve, by valve body（1）, upper permanent magnet（2）, coil（3）, pyrolysis
Graphite（4）, packing ring（5）, lower permanent magnet（6）, block plate（7）And body cap（8）Form, the body cap（8）On be provided with liquid
Entrance（9）And liquid outlet（10）, the upper permanent magnet（2）, pyrolytic graphite（4）, lower permanent magnet（6）And block plate（7）It is circle
Cylinder, and upper permanent magnet（2）, pyrolytic graphite（4）, lower permanent magnet（6）And block plate（7）Axis overlap, upper permanent magnet（2）With
Lower permanent magnet（6）The direction of magnetization be axial direction, and upper permanent magnet（2）With lower permanent magnet（6）The direction of magnetization on the contrary, described
Pyrolytic graphite（4）It is arranged at valve body（1）In cavity, and it is located at upper permanent magnet（2）With lower permanent magnet（6）Between, and it is described
Pyrolytic graphite（4）With lower permanent magnet（6）Between there is certain cavity space, the pyrolytic graphite（4）Pass through bonding agent and valve
Body（1）Inner wall is connected.The valve body（1）, packing ring（5）, body cap（8）And block plate（7）It is that non-permeable material is formed.Institute
State permanent magnet（2）It is arranged on valve body（1）Upper surface center in cavity, upper permanent magnet（2）With lower permanent magnet（6）Using N35 types
Ndfeb magnet.The lower permanent magnet（6）It is arranged on block plate（7）Upper surface, while block plate（7）Lower face and block plate（7）'s
Outer cylinder surface roughness is 1.6.The body cap（8）Upper surface and block plate（7）Lower face is parallel, while body cap（8）On
The surface roughness of end face is 1.6.The coil（3）Three layer line circles are arranged to, when in coil（3）In be passed through appropriate electric current
Afterwards, coil（3）In can produce induced field, the coil（3）When caused induced field is sufficiently large, lower permanent magnet can be attracted
（6）Drive block plate（7）Move up so that liquid inlet（9）And liquid outlet（10）In connected state, and permanent magnetism instantly
Body（6）Drive block plate（7）After rising to certain distance, block plate（7）With packing ring（5）Contact, lower permanent magnet（6）With block plate（7）Fortune
It is dynamic to stop.
Claims (3)
- A kind of 1. electromagnetic drive type micro flow valve, it is characterised in that：By valve body（1）, upper permanent magnet（2）, coil（3）, pyrolysis Graphite（4）, packing ring（5）, lower permanent magnet（6）, block plate（7）And body cap（8）Form, the body cap（8）On be provided with liquid Entrance（9）And liquid outlet（10）, the upper permanent magnet（2）, pyrolytic graphite（4）, lower permanent magnet（6）And block plate（7）It is circle Cylinder, and upper permanent magnet（2）, pyrolytic graphite（4）, lower permanent magnet（6）And block plate（7）Axis overlap, upper permanent magnet（2）With Lower permanent magnet（6）The direction of magnetization be axial direction, and upper permanent magnet（2）With lower permanent magnet（6）The direction of magnetization on the contrary, described Upper permanent magnet（2）It is arranged on valve body（1）Upper surface center in cavity, the block plate（7）Upper surface is provided with lower permanent magnet（6）, Work as coil（3）During middle no current, due to upper permanent magnet（2）With lower permanent magnet（6）The direction of magnetization is on the contrary, upper permanent magnet（2）With under Permanent magnet（6）Between can produce repulsion, liquid inlet at this time（9）It is closed, when in coil（3）In be passed through appropriate electricity After stream, coil（3）In can produce induced field, the coil（3）When caused induced field is sufficiently large, lower permanent magnetism can be attracted Body（6）Drive block plate（7）Move up so that liquid inlet（9）And liquid outlet（10）In connected state.
- A kind of 2. electromagnetic drive type micro flow valve as claimed in claim 1, it is characterised in that：The pyrolytic graphite（4）If It is placed in valve body（1）In cavity, and it is located at upper permanent magnet（2）With lower permanent magnet（6）Between, the pyrolytic graphite（4）With under forever Magnet（6）Between there is certain cavity space.
- A kind of 3. electromagnetic drive type micro flow valve as claimed in claim 1, it is characterised in that：The coil（3）It can set For individual layer, bilayer or lattice coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721378496.1U CN207298035U (en) | 2017-10-24 | 2017-10-24 | A kind of electromagnetic drive type micro flow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721378496.1U CN207298035U (en) | 2017-10-24 | 2017-10-24 | A kind of electromagnetic drive type micro flow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207298035U true CN207298035U (en) | 2018-05-01 |
Family
ID=62273711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721378496.1U Expired - Fee Related CN207298035U (en) | 2017-10-24 | 2017-10-24 | A kind of electromagnetic drive type micro flow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207298035U (en) |
-
2017
- 2017-10-24 CN CN201721378496.1U patent/CN207298035U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20181024 |