CN212691001U - Steady-state pulse electromagnetic valve - Google Patents
Steady-state pulse electromagnetic valve Download PDFInfo
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- CN212691001U CN212691001U CN202021596841.0U CN202021596841U CN212691001U CN 212691001 U CN212691001 U CN 212691001U CN 202021596841 U CN202021596841 U CN 202021596841U CN 212691001 U CN212691001 U CN 212691001U
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- iron core
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- movable iron
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 156
- 230000003068 static effect Effects 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 abstract description 6
- 210000003298 dental enamel Anatomy 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a stable state pulse solenoid valve, which comprises a valve seat, magnet subassembly and case, the magnet subassembly includes the permanent magnet, move the iron core, quiet iron core, iron core cover and coil pack, the iron core cover is fixed in on the disk seat, and use the case fixed as the center, the middle part of iron core cover is equipped with the cylindricality cavity, it has magnetism to move the iron core, it sets up in the cavity with quiet iron core to move iron core, the one end that moves the iron core is even to the case, the other end is towards quiet iron core, it is connected with the spring to move between the double-phase terminal surface of iron core and quiet iron core, along case and to the distribution direction of quiet iron core set gradually permanent magnet and coil pack in the periphery of iron core cover, switch on and the. After the valve opening pulse is driven, the movable iron core has magnetism opposite to the polarity of the static iron core, so that the movable iron core and the static iron core can be kept in good attraction, and the movable iron core and the static iron core can be kept in an attraction state under the influence of external vibration or knocking immediately, so that the action stability is improved; otherwise, the same principle is applied.
Description
Technical Field
The utility model relates to a solenoid valve especially relates to a steady state pulse solenoid valve.
Background
The traditional pulse electromagnetic valve drives the movable iron core to move and the static iron core to be attracted through a pulse signal, then the movable iron core is attracted by the permanent magnet to achieve the purpose of opening the valve, the movable iron core and the static iron core are correspondingly controlled to be separated through reverse pulse, then the spring is kept in the spring opening state through the elasticity of the spring to achieve the purpose of closing the valve all the time, the movable iron core is limited in driving energy, generally only has 1-2mm of working stroke, and if the movable iron core is influenced by external knocking and vibration, the state of the movable iron core is easy to change, and the switching electromagnetic valve is unreliable.
Disclosure of Invention
The utility model aims at providing a steady state pulse solenoid valve, it has the characteristics that keep solenoid valve state reliable and stable to the not enough of above-mentioned prior art existence.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a steady state pulse solenoid valve, includes disk seat, magnet subassembly and case, its characterized in that: the magnetic component comprises a permanent magnet, a movable iron core, a static iron core, an iron core sleeve and a coil component, wherein the iron core sleeve is fixed on a valve seat and is fixed by taking a valve core as a center, a cylindrical cavity is arranged in the middle of the iron core sleeve, the movable iron core has a hard magnetic characteristic with small coercive force, the movable iron core and the static iron core are arranged in the cavity, one end of the movable iron core is connected to the valve core, the other end of the movable iron core faces the static iron core, a spring is connected between two opposite end faces of the movable iron core and the static iron core, the permanent magnet and the coil component are sequentially arranged on the periphery of the iron core sleeve along the distribution direction from the valve core to the static iron core, the valve core controls the conduction and the closing of the valve seat, and;
when a pulse signal is given to the coil assembly, the coil assembly is electrified to generate a magnetic field, the movable iron core has a hard magnetic characteristic with small coercive force, the permanent magnet is used for applying magnetic force along the moving direction of the movable iron to the movable iron core, and the movable iron core moves relative to the static iron core under the elastic force provided by the spring, the magnetic force provided by the permanent magnet and the magnetic force generated by the coil assembly to correspondingly drive the valve core to open or close the valve.
When the movable iron core and the static iron core are in an attraction state, namely in a valve opening state, the magnetic force provided by the permanent magnet points to the static iron core and is greater than the elastic force of the spring, so that the movable iron core is stabilized in the attraction state.
Further, the coil assembly comprises a U-shaped support, a winding frame and an enameled wire, the opening direction of the U-shaped support is perpendicular to the axial direction of the iron core sleeve, the winding frame and the iron core sleeve are coaxially arranged and fixed on two opposite sides of the U-shaped support, and the enameled wire is spirally wound on the winding frame.
Furthermore, one end of the static iron core, which is far away from the movable iron core, overflows the iron core sleeve, penetrates through the U-shaped bracket and is fixed by the adjusting nut.
Further, the opposite surfaces of the movable iron core and the static iron core are provided with annular grooves, and the annular grooves are recessed towards the axial direction of the iron cores.
Furthermore, a core bushing for protecting the movable iron core is connected to one end face, facing the valve core, of the movable iron core, and the movable iron core and the core bushing can move relative to the static iron core along the axial direction of the cavity.
Furthermore, a push rod connected to the valve core is arranged inside the movable iron core.
Further, the static iron core is sleeved with a sealing ring, and the outer wall of the sealing ring and the inner wall of the cavity form sealing.
Further, the permanent magnet is a ring magnet.
After the structure is adopted, compared with the prior art, the utility model the advantage that has is: the utility model discloses utilize and move mutually supporting that the iron core has magnetism and permanent magnet, move the iron core and have the hard magnet characteristic that coercive force is little, can influence the hard magnetic property that the iron core produced not equidirectional through the magnetic field energy that the different electric current directions of coil produced. After the valve opening pulse is driven, the movable iron core has magnetism opposite to the polarity of the static iron core, so that the movable iron core and the static iron core can be kept in good attraction, and the movable iron core and the static iron core can be kept in an attraction state under the influence of external vibration or knocking immediately, so that the action stability is improved; on the contrary, after the movable iron core is driven by the reverse pulse, the movable iron core keeps the same magnetic polarity with the static iron core, so that the movable iron core and the static iron core are always in a repulsive state, and the reliability of valve closing is ensured.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a schematic diagram of an explosion structure of a steady-state pulse solenoid valve (valve seat omitted) according to an embodiment;
FIG. 2 is a sectional view of a steady-state pulse solenoid valve according to an embodiment.
Detailed Description
The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.
Examples, see fig. 1-2: a steady-state pulse solenoid valve includes a valve seat 100, a magnet assembly 200, and a valve core (not shown), the magnet assembly 200 includes a ring magnet 210, a movable core 220, a stationary core 230, a core housing 240, and a coil assembly 250, the core housing 240 is fixed to the valve seat 100, and is fixed by taking the valve core as the center, the middle part of the iron core sleeve 240 is provided with a cylindrical cavity 241, the movable iron core 220 is provided with magnetism, the movable iron core 220 and the static iron core 230 are arranged in the cavity 241, one end of the movable iron core 220 is connected to the valve core, the other end faces the stationary iron core 230, a spring 260 is connected between the opposite end faces of the movable iron core 220 and the stationary iron core 230, the ring-shaped magnet 210 and the coil assembly 250 are sequentially disposed on the outer circumference of the core housing 240 along the direction from the valve core to the stationary core 230, the valve core controls the conduction and the closing of the valve seat 100, and the relative movement of the movable iron core 220 facing the static iron core 230 drives the valve core to move on and off;
when a valve opening pulse signal is given to the coil assembly 250, the coil assembly 250 is electrified to generate a magnetic field, the movable iron core 220 is magnetic, the annular magnet 210 is used for applying magnetic force to the movable iron core 220 along the moving direction of the movable iron core 220, and the movable iron core 220 moves relative to the static iron core 230 under the elastic force provided by the spring 260, the magnetic force provided by the annular magnet 210 and the magnetic force generated by the coil assembly 250, so that the valve core is correspondingly driven to perform valve opening movement.
When the movable iron core 220 and the stationary iron core 230 are in an attraction state, namely, in a valve opening state, the magnetic force provided by the annular magnet 210 points to the stationary iron core 230 and is greater than the elastic force of the spring 260, so that the movable iron core is stabilized in the attraction state, when a reverse pulse signal is given to the coil assembly 250, the magnetic force generated by the coil assembly 250 points to the valve core, the magnetic force and the elastic force of the spring 260 are superposed and are greater than the magnetic force of the annular magnet 210, so that the movable iron core 220 is driven to move towards the valve core, the valve core is driven to close the valve body, the magnetic force direction of the annular magnet 210 is changed in the moving process of the movable iron core 220, the magnetic force pointing to the valve core is generated, and.
The coil assembly 250 includes a U-shaped bracket 251, a bobbin 252 and an enamel wire 253, wherein an opening of the U-shaped bracket 251 is perpendicular to an axial direction of the core sleeve 240, the bobbin 252 is coaxially disposed with the core sleeve 240 and fixed on two opposite sides of the U-shaped bracket 251, and the enamel wire 253 is spirally wound on the bobbin 252.
The end of the stationary core 230 facing away from the movable core 220 overflows the core sleeve 240, penetrates the U-shaped bracket 251 and is fixed by the adjusting nut 270, and the position of the stationary core 230 in the cavity 241 can be finely adjusted by adjusting the position of the adjusting nut 270.
The above-mentioned opposite face of moving iron core 220 and quiet iron core 230 all is equipped with annular groove 280, annular groove 280 is all sunken to the axial of self iron core, has reduced the area of contact of moving iron core 220 terminal surface and quiet iron core 230, and coil pack 250 uses littleer drive power can drive to move iron core 220 and keep away from quiet iron core 230 to reduce the energy consumption of electro-magnet.
The core bushing 290 for protecting the movable core 220 is connected to an end surface of the movable core 220 facing the valve core, so as to reduce the wear of the movable core 220, the combination of the movable core 220 and the core bushing 290 can move relative to the stationary core 230 along the axial direction of the cavity 241, and a sufficient space is left in the cavity 241 for the movable core 220 to move.
A push rod (not shown) connected to the valve core is disposed inside the movable iron core 220, and the valve core is driven by the push rod to open or close the valve along with the movement of the movable iron core 220.
The stationary core 230 is sleeved with a sealing ring 300, and the outer wall of the sealing ring 300 and the inner wall of the cavity 241 form a seal, so that the corrosion of the core body is reduced.
In the embodiment, the movable iron core is matched with the permanent magnet in a magnetic manner, the movable iron core has the characteristic of hard magnet with small coercive force, and the magnetic fields generated in different current directions of the coil can influence the hard magnet performance of the movable iron core in different directions. After the valve opening pulse is driven, the movable iron core has magnetism opposite to the polarity of the static iron core, so that the movable iron core and the static iron core can be kept in good attraction, and the movable iron core and the static iron core can be kept in an attraction state under the influence of external vibration or knocking immediately, so that the action stability is improved; on the contrary, after the movable iron core is driven by the reverse pulse, the movable iron core keeps the same magnetic polarity with the static iron core, so that the movable iron core and the static iron core are always in a repulsive state, and the reliability of valve closing is ensured.
Claims (8)
1. The utility model provides a steady state pulse solenoid valve, includes disk seat, magnet subassembly and case, its characterized in that: the magnetic component comprises a permanent magnet, a movable iron core, a static iron core, an iron core sleeve and a coil component, the iron core sleeve is fixed on the valve seat and is fixed by taking the valve core as the center, a cylindrical cavity is arranged in the middle of the iron core sleeve, and the movable iron core has a hard magnetic characteristic with small coercive force; the movable iron core and the static iron core are arranged in the cavity, one end of the movable iron core is connected to the valve core, the other end of the movable iron core faces the static iron core, a spring is connected between two opposite end faces of the movable iron core and the static iron core, a permanent magnet and a coil assembly are sequentially arranged on the periphery of the iron core sleeve along the distribution direction from the valve core to the static iron core, the valve core controls the valve seat to be switched on and switched off, and the movable iron core drives the valve core to move on and off in a relative motion mode towards the static iron core.
2. A steady state pulse solenoid valve as claimed in claim 1 wherein: the coil assembly comprises a U-shaped support, a winding frame and an enameled wire, the opening direction of the U-shaped support is perpendicular to the axial direction of the iron core sleeve, the winding frame and the iron core sleeve are coaxially arranged and fixed on two opposite sides of the U-shaped support, and the enameled wire is wound on the winding frame in a spiral mode.
3. A steady state pulse solenoid valve as claimed in claim 2 wherein: and one end of the static iron core, which is far away from the movable iron core, overflows the iron core sleeve, penetrates through the U-shaped bracket and is fixed by the adjusting nut.
4. A steady state pulse solenoid valve as claimed in claim 1 wherein: the opposite face of moving iron core and quiet iron core all is equipped with the annular groove, the annular groove all is sunken to the axial of self iron core.
5. A steady state pulse solenoid valve as claimed in claim 1 wherein: and a core bushing for protecting the movable iron core is connected to one end face of the movable iron core facing the valve core, and the combination of the movable iron core and the core bushing can move relative to the static iron core along the axial direction of the cavity.
6. A steady state pulse solenoid valve as claimed in claim 1 wherein: and a push rod connected to the valve core is arranged in the movable iron core.
7. A steady state pulse solenoid valve as claimed in claim 1 wherein: the static iron core is sleeved with a sealing ring, and the outer wall of the sealing ring and the inner wall of the cavity form sealing.
8. A steady state pulse solenoid valve as claimed in claim 1 wherein: the permanent magnet is a ring magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021596841.0U CN212691001U (en) | 2020-08-04 | 2020-08-04 | Steady-state pulse electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021596841.0U CN212691001U (en) | 2020-08-04 | 2020-08-04 | Steady-state pulse electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212691001U true CN212691001U (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021596841.0U Active CN212691001U (en) | 2020-08-04 | 2020-08-04 | Steady-state pulse electromagnetic valve |
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|---|---|
| CN (1) | CN212691001U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321484A (en) * | 2021-12-20 | 2022-04-12 | 浙江科博电器有限公司 | Pulse electromagnetic drive device and solenoid valve |
| CN114838188A (en) * | 2022-05-27 | 2022-08-02 | 浙江科博电器有限公司 | Novel hot water combination valve |
-
2020
- 2020-08-04 CN CN202021596841.0U patent/CN212691001U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321484A (en) * | 2021-12-20 | 2022-04-12 | 浙江科博电器有限公司 | Pulse electromagnetic drive device and solenoid valve |
| CN114838188A (en) * | 2022-05-27 | 2022-08-02 | 浙江科博电器有限公司 | Novel hot water combination valve |
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