CN219866549U - High-precision proportional valve - Google Patents
High-precision proportional valve Download PDFInfo
- Publication number
- CN219866549U CN219866549U CN202321131320.1U CN202321131320U CN219866549U CN 219866549 U CN219866549 U CN 219866549U CN 202321131320 U CN202321131320 U CN 202321131320U CN 219866549 U CN219866549 U CN 219866549U
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- Prior art keywords
- iron core
- movable iron
- fluid
- cavity
- valve body
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- 239000012530 fluid Substances 0.000 claims abstract description 80
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 77
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000002955 isolation Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a high-precision proportional valve, which relates to the field of valves and comprises an electromagnet and a valve body, wherein a first cavity is formed in the electromagnet, a movable iron core and a driving component for driving the movable iron core to move up and down are arranged in the first cavity, a fluid inflow channel and a fluid outflow channel are arranged in the valve body, the fluid inflow channel, the fluid outflow channel and the first cavity are respectively communicated with the cavity, and a connecting component is arranged at one end of the movable iron core, which is far away from the driving component. According to the utility model, the movable iron core is driven to move up and down by adjusting the power-on amount of the electromagnet, and the area of the fluid outflow channel blocked by the connector and the sealing gasket is changed, so that the flow of the fluid is adjusted, and the control accuracy of the proportional valve is high. The fluid outflow channel is arranged on the side edge of the valve body, so that the movable iron core has a larger moving space, and the movable iron core has a larger stroke, and the proportional valve has a larger flow regulating range.
Description
Technical Field
The utility model relates to the field of valves, in particular to a high-precision proportional valve.
Background
The proportional control valve is a valve in which a valve port can be opened to any opening degree as required, thereby controlling the flow rate of fluid passing through.
The current proportional control valve generally realizes different flow rates by adjusting the distance between the sealing gasket and the valve seat surface, but the accuracy of the fluid flow control is lower due to the fact that the accuracy of the distance control is not high.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide the high-precision proportional valve with high precision for controlling the fluid flow.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the high-precision proportional valve comprises an electromagnet and a valve body, a first cavity is formed in the electromagnet, a movable iron core and a driving component for driving the movable iron core to move up and down are arranged in the first cavity, a fluid inflow channel and a fluid outflow channel are formed in the valve body, the fluid inflow channel, the fluid outflow channel and the first cavity are respectively communicated with the cavity, and a connecting component for blocking the fluid outflow channel is arranged at one end, far away from the driving component, of the movable iron core. The connecting component moves up and down under the drive of the movable iron core, so that the area of the plugging fluid outflow channel is changed, namely the size of the fluid flow is changed.
According to the utility model, the movable iron core is driven to move up and down by adjusting the power-on quantity of the electromagnet, and the area of the fluid outflow channel blocked by the connecting component is changed, so that the flow of the fluid is adjusted, and the control accuracy of the proportional valve is high.
Working principle:
when the flow of the fluid needs to be increased, the current passing through the electromagnet is increased to enable the movable iron core to move upwards in the first cavity, and the area of the connecting component for blocking the fluid outflow channel is reduced, so that the flow of the fluid is increased; when the flow of the fluid needs to be reduced, the current passing through the electromagnet is reduced so that the movable iron core moves downwards in the first cavity, and the area of the connecting component for blocking the fluid outflow channel is increased, so that the flow of the fluid is reduced.
Further is: the driving component comprises a fixed iron core and a spring, wherein two ends of the spring are respectively and fixedly connected with the fixed iron core and the movable iron core, suction force is generated between the fixed iron core and the movable iron core when the electromagnet is electrified, and the upper and lower positions of the movable iron core in the first cavity are adjusted through the size of the suction force.
Further is: the connecting assembly comprises a connector arranged on one end of the movable iron core away from the fixed iron core, a sealing gasket is arranged at one end of the connector away from the movable iron core, and the connector and the sealing gasket are used for sealing a fluid outflow channel. The connector and the sealing gasket move up and down along with the up and down movement of the movable iron core. The end of the connector is provided with a sealing gasket for improving the sealing performance of the valve in a closed state, namely: when the power is not applied, under the action of the spring, the sealing gasket is attached to the valve seat surface at the inlet of the lower side fluid, so that a good sealing effect is achieved.
Further is: the connector is tightly contacted with the valve body at the position of the fluid outflow channel, so that fluid is prevented from flowing into the fluid outflow channel from the gap between the connector and the valve body, and the control accuracy of the proportional valve is prevented from being influenced.
Further is: the fluid outflow channel is arranged on the side edge of the valve body, so that the movable iron core has a larger moving space, and the movable iron core has a larger stroke, so that the proportional valve has a larger flow regulating range.
Further is: an isolation diaphragm is arranged in the valve body and used for guaranteeing the tightness of the proportional valve. The isolating diaphragm is respectively in close contact with the valve body and the connector, and the central part of the isolating diaphragm moves up and down along with the up and down movement of the connector.
Further is: the surface of electro-magnet is provided with the fixing base, fixing base and valve body fixed connection, the fixing base is used for fixed electro-magnet, is used for connecting electro-magnet and valve body simultaneously.
Working principle:
when the flow of the fluid needs to be increased, the current passing through the electromagnet is increased, the attractive force between the fixed iron core and the movable iron core is increased, and the movable iron core moves upwards in the first cavity because the fixed iron core is fixed, at the moment, the connector, the sealing gasket and the isolation diaphragm move upwards along with the movable iron core, at the moment, the area of the connector and the sealing gasket for blocking the fluid outflow channel is reduced, namely, the opening of the fluid outflow channel is increased, so that the flow of the fluid is increased; when the flow of the fluid needs to be reduced, the current passing through the electromagnet is reduced, the attractive force between the fixed iron core and the movable iron core is reduced, and the fixed iron core is fixed, so that the movable iron core moves downwards in the first cavity, at the moment, the connector, the sealing gasket and the isolation diaphragm move downwards along with the movable iron core, at the moment, the area of the connector and the sealing gasket for blocking the fluid outflow channel is increased, namely, the opening of the fluid outflow channel is reduced, so that the flow of the fluid is reduced
The utility model has the beneficial effects that the movable iron core is driven to move up and down by adjusting the power-on quantity of the electromagnet, and the area of the fluid outflow channel blocked by the connector and the sealing gasket is changed, so that the flow quantity of the fluid is adjusted, and the control precision of the proportional valve is high. The fluid outflow channel is arranged on the side edge of the valve body, so that the movable iron core has a larger moving space, and the movable iron core has a larger stroke, and the proportional valve has a larger flow regulating range.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present utility model;
FIG. 2 is a top view of an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of FIG. 2;
in the figure: 1. an electromagnet; 2. a valve body; 3. a first cavity; 4. a movable iron core; 5. a cavity; 6. a fluid inflow channel; 7. a fluid outflow channel; 8. fixing an iron core; 9. a spring; 10. a connector; 11. a sealing gasket; 12. an isolation diaphragm; 13. a fixing seat.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-3, an embodiment of the present utility model provides a high-precision proportional valve, which includes an electromagnet 1 and a valve body 2, wherein a first cavity 3 is provided in the electromagnet 1, a movable iron core 4 and a driving component for driving the movable iron core 4 to move up and down are provided in the first cavity 3, a cavity 5, a fluid inflow channel 6 and a fluid outflow channel 7 are provided in the valve body 2, the fluid inflow channel 6, the fluid outflow channel 7 and the first cavity 3 are respectively communicated with the cavity 5, and a connection component for sealing off the fluid outflow channel 7 is provided at one end of the movable iron core 4 away from the driving component. The connecting component moves up and down under the drive of the movable iron core 4 so as to change the area of the opening of the plugging fluid outflow channel 7, namely, change the size of the fluid flow.
According to the utility model, the movable iron core 4 is driven to move up and down by adjusting the power on amount of the electromagnet 1, and the area of the opening of the fluid outflow channel 7 of the connecting component is changed, so that the flow of the fluid is adjusted, and the control precision of the proportional valve is high.
Working principle:
when the flow of the fluid needs to be increased, the current passing through the electromagnet 1 is increased to enable the movable iron core 4 to move upwards in the first cavity 3, and the area of the connecting component for blocking the fluid outflow channel 7 is reduced, so that the flow of the fluid is increased; when the flow of the fluid needs to be reduced, the current passing through the electromagnet 1 is reduced so that the movable iron core 4 moves downwards in the first cavity 3, and the area of the connecting component for blocking the fluid outflow channel 7 is increased, so that the flow of the fluid is reduced.
On the basis, the driving component comprises a fixed iron core 8 and a spring 9, two ends of the spring 9 are respectively fixedly connected with the fixed iron core 8 and the movable iron core 4, suction force is generated between the fixed iron core 8 and the movable iron core 4 when the electromagnet 1 is electrified, and the upper position and the lower position of the movable iron core 4 in the first cavity 5 are adjusted according to the suction force.
On the basis, the connecting assembly comprises a connector 10 arranged at one end of the movable iron core 4 far away from the fixed iron core 8, a sealing gasket 11 is arranged at one end of the connector 10 far away from the movable iron core 4, and the connector 10 and the sealing gasket 11 are used for sealing the fluid outflow channel 7. The joint 10 and the gasket 11 move up and down as the movable core 4 moves up and down. The sealing gasket 11 is provided at the end of the joint 10 for improving the sealing property in the valve-closed state, that is: when the power is not applied, under the action of the spring, the sealing gasket is attached to the valve seat surface at the inlet of the lower side fluid, so that a good sealing effect is achieved.
On the basis of the above, the joint 10 is in close contact with the valve body 2 at the fluid outflow passage 7, preventing fluid from flowing into the fluid outflow passage 7 from the gap between the joint 10 and the valve body 2, thereby preventing the control accuracy of the proportional valve from being affected.
On the basis of the above, the fluid outflow channel 7 is arranged at the side edge of the valve body 2, so that the movable iron core 4 has a larger moving space, and the movable iron core 4 has a larger stroke, so that the proportional valve has a larger flow regulating range.
On the basis of the above, an isolation diaphragm 12 is arranged in the valve body 2, and the isolation diaphragm 12 is used for guaranteeing the tightness of the proportional valve. The isolation diaphragm 12 is closely contacted with the valve body 2 and the coupling head 10, respectively, and a central portion of the isolation diaphragm 12 moves up and down as the coupling head 10 moves up and down.
On the basis of the above, the outer surface of the electromagnet is provided with the fixing seat 13, the fixing seat 13 is fixedly connected with the valve body 2, and the fixing seat 13 is used for fixing the electromagnet and simultaneously connecting the electromagnet 1 and the valve body 2.
Working principle:
when the flow of the fluid needs to be increased, the current passing through the electromagnet 1 is increased, the attractive force between the fixed iron core 8 and the movable iron core 4 is increased, the movable iron core 4 moves upwards in the first cavity 3 because the fixed iron core 8 is fixed, at the moment, the connector 10, the sealing gasket 11 and the isolating diaphragm 12 move upwards along with the movable iron core 4, at the moment, the area of the connector 10 and the sealing gasket 11 for blocking the fluid outflow channel 7 is reduced, namely, the opening of the fluid outflow channel 7 is increased, so that the flow of the fluid is increased; when the flow of the fluid needs to be reduced, the current passing through the electromagnet 1 is reduced, the attractive force between the fixed iron core 8 and the movable iron core 4 is reduced, and the fixed iron core 8 is fixed, so that the movable iron core 4 moves downwards in the first cavity 3, at this time, the connector 10, the sealing gasket 11 and the isolation diaphragm 12 move downwards along with the movable iron core 4, at this time, the area of the connector 10 and the sealing gasket 11 for blocking the fluid outflow channel 7 is increased, namely, the opening of the fluid outflow channel 7 is reduced, so that the flow of the fluid is reduced.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. A high-precision proportional valve is characterized in that: including electro-magnet (1) and valve body (2), be provided with first cavity (3) in electro-magnet (1), be provided with movable iron core (4) and drive movable iron core (4) the drive part that reciprocates in first cavity (3), be provided with cavity (5), fluid inflow channel (6) and fluid outflow passageway (7) in valve body (2), fluid inflow channel (6), fluid outflow passageway (7) and first cavity (3) communicate with cavity (5) respectively, the one end that drive part was kept away from to movable iron core (4) is provided with the coupling assembling that is used for shutoff fluid outflow passageway (7).
2. A high precision proportioning valve as set forth in claim 1 wherein: the driving component comprises a fixed iron core (8) and a spring (9), and two ends of the spring (9) are respectively fixedly connected with the fixed iron core (8) and the movable iron core (4).
3. A high precision proportioning valve as set forth in claim 1 wherein: the connecting assembly comprises a connector (10) arranged at one end of the movable iron core (4) far away from the fixed iron core (8), and a sealing gasket (11) is arranged at one end of the connector (10) far away from the movable iron core (4).
4. A high precision proportioning valve as set forth in claim 3 wherein: the connecting head (10) is in close contact with the valve body (2) at the fluid outflow channel (7).
5. A high precision proportioning valve as set forth in claim 1 wherein: the fluid outflow channel (7) is arranged at the side edge of the valve body (2).
6. A high precision proportioning valve as set forth in claim 3 wherein: an isolation diaphragm (12) is arranged in the valve body (2), the isolation diaphragm (12) is respectively in close contact with the valve body (2) and the connector (10), and the central part of the isolation diaphragm (12) moves up and down along with the up and down movement of the connector (10).
7. A high precision proportioning valve as set forth in claim 1 wherein: the outer surface of the electromagnet is provided with a fixed seat (13), and the fixed seat (13) is fixedly connected with the valve body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321131320.1U CN219866549U (en) | 2023-05-11 | 2023-05-11 | High-precision proportional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321131320.1U CN219866549U (en) | 2023-05-11 | 2023-05-11 | High-precision proportional valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866549U true CN219866549U (en) | 2023-10-20 |
Family
ID=88338395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321131320.1U Active CN219866549U (en) | 2023-05-11 | 2023-05-11 | High-precision proportional valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866549U (en) |
-
2023
- 2023-05-11 CN CN202321131320.1U patent/CN219866549U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |