CN218094387U - Direct-acting three-way electromagnetic valve - Google Patents
Direct-acting three-way electromagnetic valve Download PDFInfo
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- CN218094387U CN218094387U CN202221964238.2U CN202221964238U CN218094387U CN 218094387 U CN218094387 U CN 218094387U CN 202221964238 U CN202221964238 U CN 202221964238U CN 218094387 U CN218094387 U CN 218094387U
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 67
- 238000007789 sealing Methods 0.000 claims description 25
- 230000003068 static effect Effects 0.000 claims description 21
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 5
- 230000001771 impaired effect Effects 0.000 abstract description 2
- 239000002609 medium Substances 0.000 description 27
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000006163 transport media Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The direct-acting three-way solenoid valve comprises a valve body and a valve rod, wherein the valve rod is arranged in the valve body, the valve rod comprises an upper valve rod and a lower valve rod, one end of the upper valve rod is connected with one end of the lower valve rod, a diaphragm is arranged on the upper valve rod, the diaphragm and the upper valve rod are of an integrally formed structure, a valve clack is arranged on the lower valve rod, and the lower valve rod and the valve clack are of an integrally formed structure; the application provides a direct action formula three way solenoid valve integral structure, diaphragm, valve clack do not have the deformation during the assembly, and impaired risk reduces, simultaneously also effectual promotion direct action formula three way solenoid valve's sealed effect.
Description
Technical Field
The utility model relates to a solenoid valve technical field especially relates to a direct action type three-way solenoid valve convenient to assembly and sealed effect is excellent.
Background
The direct-acting three-way electromagnetic valve generates magnetic force by electrifying the electromagnetic coil, adsorbs the movable iron core to drive the valve rod to move axially, realizes the connection or disconnection of a channel port, and achieves the purpose of transporting substances such as gas, liquid and the like. The valve rod structure commonly used at present is an integrated structure, a sealing element is firstly installed on the valve rod, and then the sealing element is inserted from the top of a valve body; the sealing element is severely compressed during the insertion of the valve stem with a great risk of breakage. In addition, the sealing element is usually fabricated and assembled with the valve rod independently, the inner hole of the sealing element needs to be empty and large, then the valve rod is installed, the assembling process is complex, the sealing element is expanded and deformed, the sealing effect of the sealing element and the contact position of the valve rod is poor, and the leakage risk of a transport medium exists.
SUMMERY OF THE UTILITY MODEL
To the problem that current direct action formula three way solenoid valve assembly sealing element process is complicated, the inside deformation of sealing element, sealed effect is poor, the transport medium has the leakage risk, this application provides a direct action formula three way solenoid valve.
In order to solve the problems, the application provides a direct-acting three-way electromagnetic valve, which comprises a valve body and a valve rod, wherein the valve rod is arranged inside the valve body, the valve rod comprises an upper valve rod and a lower valve rod, one end of the upper valve rod is connected with one end of the lower valve rod, a diaphragm is arranged on the upper valve rod, and the diaphragm and the upper valve rod are of an integrally formed structure; the lower valve rod is provided with a valve clack, and the lower valve rod and the valve clack are of an integrally formed structure.
Preferably, one end of the upper valve rod is in threaded connection with one end of the lower valve rod;
the electromagnetic valve also comprises an electromagnetic assembly, the electromagnetic assembly comprises a movable iron core, a static iron core and a spring, and the movable iron core is connected with the upper valve rod; the static iron core is internally provided with a groove, the spring is arranged in the groove, and one end of the movable iron core, which is far away from the upper valve rod, is connected with the static iron core through the spring.
Preferably, the solenoid valve still includes casing and electromagnetism iron frame, the electromagnetism iron frame set up in the upper casing, the electromagnetism subassembly set up in the electromagnetism iron frame.
Preferably, the electromagnetic assembly further comprises an electromagnetic coil, the electromagnetic coil is arranged in the electromagnetic frame and sleeved on the periphery of the movable iron core and the static iron core, and the electromagnetic coil drives the movable iron core to drive the valve rod to move so as to change the flow direction of the electromagnetic valve medium.
Preferably, the valve body includes valve body and lower valve body, go up valve body one end with lower valve body connects, go up the valve body and keep away from the one end of lower valve body with it connects to go up the casing, the magnet frame with go up the valve body and connect through setting up adapting unit, the diaphragm sets up adapting unit with go up between the valve body.
Preferably, a sealing ring is arranged between the upper valve body and the lower valve body, and the upper valve body is connected with the lower valve body in a sealing manner through the sealing ring.
Preferably, the valve body includes a first port, a second port, a third port and a medium circulation pipeline, the valve rod is disposed in the medium circulation pipeline, the first port, the second port and the third port are respectively communicated with the medium circulation pipeline, the first port and the second port are disposed oppositely, and the third port is disposed on one side of the upper valve body.
Preferably, one end of the medium circulation pipeline is communicated with the second port, and the side wall of the medium circulation pipeline is communicated with the third port; after the electromagnetic coil is electrified, the movable iron core drives the valve rod to move so as to selectively enable the medium circulation pipeline to be communicated with the second port or the third port.
Preferably, the valve flap is disposed in a medium circulation pipeline in the lower valve body, and when the lower valve rod blocks one end of the medium circulation pipeline, the medium circulation pipeline communicates the first port and the third port.
Preferably, the diaphragm is made of plastic, and the valve clack is made of plastic.
The utility model discloses beneficial effect:
compared with the prior art, in the assembly process, the diaphragm and the upper valve rod are of the integrated structure, and the valve clack and the lower valve rod are of the integrated structure, so that the upper valve rod and the lower valve rod are only required to be respectively assembled into the valve body, the assembly process is simple, additional processes are not required, and the manufacturing flow is simplified; the integrated structure ensures that the diaphragm and the valve clack are not deformed when the valve rod is assembled, and the damage risk is reduced; meanwhile, the sealing effect of the direct-acting three-way electromagnetic valve is effectively improved.
Drawings
FIG. 1 is a schematic structural diagram of a direct-acting three-way solenoid valve;
FIG. 2 is a schematic diagram of the explosion structure of a direct-acting three-way solenoid valve;
the reference numbers in the drawings attached hereto are as follows:
1. a lower valve body; 2. an upper valve body; 3. a lower valve stem; 4. an upper valve stem; 5. a membrane; 6. a valve flap; 7. a seal ring; 8. an upper housing; 9. an electromagnetic coil; 10. an electromagnet frame; 11. a movable iron core; 12. a spring; 13. A stationary iron core; 14. a connecting member; 15. a third port; 16. a second port; 17. a first port; 18. A medium circulation line.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-2, this embodiment provides a direct-acting three-way solenoid valve, including valve body and valve rod, the valve rod sets up inside the valve body, the valve rod includes valve rod 4 and lower valve rod 3, the one end of going up valve rod 4 with the one end of lower valve rod 3 is connected, upward be provided with diaphragm 5 on the valve rod 4, diaphragm 5 with go up valve rod 4 and be the integrated into one piece structure, be provided with valve clack 6 on the lower valve rod 3, lower valve rod 3 with valve clack 6 is the integrated into one piece structure.
Compared with the prior art, in the assembly process of the direct-acting three-way electromagnetic valve provided by the embodiment, because the diaphragm 5 and the upper valve rod 4 are in an integrally formed structure and the valve clack 6 and the lower valve rod 3 are in an integrally formed structure, only the upper valve rod 4 and the lower valve rod 3 are required to be respectively assembled in the valve body, the assembly process is simple, no additional process is required, and the manufacturing flow is simplified; the integrated structure ensures that the diaphragm 5 and the valve clack 6 are not deformed when the valve rod is assembled, and the damage risk is reduced; meanwhile, the sealing effect of the direct-acting three-way electromagnetic valve is effectively improved.
In some embodiments, the upper stem 4 is threadedly connected to the lower stem 3; the electromagnetic valve further comprises an electromagnetic assembly, the electromagnetic assembly comprises a movable iron core 11, a static iron core 13 and a spring 12, and the movable iron core 11 is connected with the upper valve rod 4; the static iron core 13 is internally provided with a groove, the spring 12 is arranged in the groove, and the movable iron core 11 is far away from one end of the upper valve rod 4 and is connected with the static iron core 13 through the spring 12. Specifically, in the direct-acting three-way solenoid valve assembling process, the diaphragm 5 integrated with the upper valve rod 4 is arranged in the valve body, the valve clack 6 integrated with the lower valve rod 3 is arranged in the valve body, and then the upper valve rod 4 and the lower valve rod 3 are connected in a threaded connection mode.
The spring 12 is arranged in a groove of the static iron core 13, and after the power is switched on, the movable iron core 11 drives the valve rod to move towards the direction close to the static iron core 13 to compress the spring 12; after the power failure, the movable iron core 11 drives the valve rod to move towards the direction far away from the static iron core 13 according to the elastic force of the spring 12 and the power of the movable iron core 11. The spring 12 is provided to facilitate the moving of the movable iron core 11 in the direction away from the stationary iron core 13, and to restore the initial state. It should be noted that the positions of the static iron core 13, the movable iron core 11 and the spring 12 may also be that the static iron core 13 is below the movable iron core 11, the valve rod passes through the static iron core 13 to be connected with the movable iron core 11, and two ends of the spring 12 are still connected with the movable iron core 11 and the static iron core 13; the setting of this mode still can reach when circular telegram/outage, moves iron core 11 and drives the valve rod and remove to the direction that is close to quiet iron core 13 or keeps away from quiet iron core 13.
In some embodiments, the solenoid valve further includes an upper housing 8, an electromagnet frame 10 is disposed in the upper housing 8, the electromagnet frame 10 is disposed in the upper housing 8, and an electromagnet assembly is disposed in the electromagnet frame 10.
The electromagnet frame 10 mainly functions to mount the electromagnet assembly. The electromagnet frame 10 is arranged in the upper shell 8, so that the electromagnet assembly is protected and prevented from being damaged.
In some embodiments, the electromagnetic assembly further includes an electromagnetic coil 9, the electromagnetic coil 9 is disposed in the electromagnet frame 10 and is sleeved on the peripheries of the movable iron core 11 and the stationary iron core 13, and the electromagnetic coil 9 drives the movable iron core 11 to drive the valve rod to move, so as to change the flow direction of the medium flowing through the electromagnetic valve.
When the electromagnetic coil 9 is electrified, the movable iron core 11 drives the valve rod to move towards the direction close to the static iron core 13, and the spring 12 is compressed; after the electromagnetic coil 9 is powered off, the movable iron core 11 drives the valve rod to move in the direction away from the static iron core 13 according to the elastic force of the spring 12 and the power of the movable iron core 11. The electromagnetic coil 9 can drive the movable iron core 11 to drive the valve rod to move, and the flow direction of the medium flowing through the electromagnetic valve is changed.
In some embodiments, the valve body comprises an upper valve body 2 and a lower valve body 1, one end of the upper valve body 2 is connected with the lower valve body 1, one end of the upper valve body 2, which is far away from the lower valve body 1, is connected with the upper housing 8, the electromagnet frame 10 is connected with the upper valve body 2 through a connecting part 14, and the membrane 5 is arranged between the connecting part 14 and the upper valve body 2.
Specifically, the connecting member 14 is provided between the electromagnet frame 10 and the upper valve body 2, and functions to connect the electromagnet frame 10 and the upper valve body 2; at the same time, the connecting part 14 presses the diaphragm 5, and plays a role in connecting the diaphragm 5 and the upper valve body 2 in a sealing way. The connection mode between the connection part 14 and the upper valve body 2 provided in this embodiment is a clamping connection, and may also be a threaded connection, or a welding connection, and the application is not limited as long as the connection part 14 can press the diaphragm 5, and hermetically connect the diaphragm 5 and the upper valve body 2; at the same time, the connecting part 14 also serves to connect the solenoid frame 10 to the upper valve body 2.
In some embodiments, a sealing ring 7 is disposed between the upper valve body 2 and the lower valve body 1, the sealing ring 7 is made of an elastic material, and the upper valve body 2 and the lower valve body 1 are connected in a sealing manner through the sealing ring 7, so as to improve the sealing effect of the upper valve body 2 and the lower valve body 1.
In some embodiments, the valve body includes a first port 17, a second port 16, a third port 15, and a medium circulation line 18, the valve stem is disposed in the medium circulation line 18, the first port 17, the second port 16, and the third port 15 are respectively communicated with the medium circulation line 18, the first port 17 and the second port 16 are disposed opposite to each other, and the third port 15 is disposed on the side of the upper valve body 2.
Specifically, the first port 17 and the second port 16 are disposed on the lower valve body 1, and the first port 17, the second port 16, and the third port 15 are disposed on the surfaces of the upper valve body 2 and the lower valve body 1, and can be used for connecting with an external pipeline, connecting with an external pneumatic system, providing driving power, and the like. If it is possible to arrange for the first port 17 to be an outlet, the second port 16 to be an inlet, and the third port 15 to be a port communicating with the atmosphere; the third port 15 can also be selected as an inlet, the first port 17 or the second port 16 can be selected as an outlet, and the inlet or the outlet can be set according to actual requirements, so as to communicate different pipelines and control different pipelines.
In some preferred embodiments, one end of the medium circulation line 18 communicates with the second port 16, and a sidewall of the medium circulation line 18 communicates with the third port 15; when the electromagnetic coil 9 is energized, the movable iron core 11 drives the valve rod to move, so that the medium circulation pipeline 18 can be selectively communicated with the second port 16 or the third port 15.
Specifically, the first port 17 and the second port 16 are connected through one end of a medium circulation pipeline 18, when the electromagnetic coil 9 is powered off, the valve rod moves towards the direction away from the static iron core 13, one end of the lower valve rod 3 is inserted into one end of the medium circulation pipeline 18, after the valve clack 6 blocks the ports, the first port 17 is disconnected from the second port 16, and at the moment, the first port 17 is communicated with the third port 15. When the electromagnetic coil 9 is energized, the valve rod moves in a direction to approach the stationary core 13, and the first port 17 and the second port 16 are communicated.
In some embodiments, the valve flap 6 is disposed in a medium flow passage 18 in the lower valve body 1, and when the lower valve stem 3 blocks one end of the medium flow passage 18, the medium flow passage 18 communicates the first port 17 with the third port 15.
Specifically, the valve flap 6 and the lower stem 3 are integrally formed in a sealing structure, when the lower stem 3 moves in a direction close to the first port 17, one end of the lower stem 3, which is far away from the upper stem 4, is inserted into a port of the medium circulation pipeline 18, the valve flap 6 blocks the port, the first port 17 and the second port 16 are disconnected, and at this time, the first port 17 is communicated with the third port 15. When the lower stem 3 moves away from the first port 17, the flap 6 blocks the sidewall of the medium passage 18, the first port 17 is disconnected from the third port 15, and the first port 17 and the second port 16 communicate with each other through the medium passage 18.
In some embodiments, the diaphragm 5 is made of plastic, and the valve flap 6 is made of plastic.
In addition, it should be noted that the solenoid valve provided in this embodiment may further include more communication ports according to the usage requirement, and the communication ports may respectively include two or more inlet communication ports and two or more outlet communication ports.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A direct-acting three-way electromagnetic valve is characterized by comprising a valve body and a valve rod, wherein the valve rod is arranged in the valve body and comprises an upper valve rod and a lower valve rod, one end of the upper valve rod is connected with one end of the lower valve rod, a diaphragm is arranged on the upper valve rod, and the diaphragm and the upper valve rod are of an integrally formed structure; the lower valve rod is provided with a valve clack, and the lower valve rod and the valve clack are of an integrally formed structure.
2. A direct-acting three-way electromagnetic valve according to claim 1, wherein one end of the upper valve stem is threadedly connected with one end of the lower valve stem;
the electromagnetic valve also comprises an electromagnetic assembly, the electromagnetic assembly comprises a movable iron core, a static iron core and a spring, and the movable iron core is connected with the upper valve rod; the static iron core is internally provided with a groove, the spring is arranged in the groove, and one end of the movable iron core, which is far away from the upper valve rod, is connected with the static iron core through the spring.
3. A direct-acting three-way solenoid valve according to claim 2, further comprising an upper housing and an electromagnet frame, said electromagnet frame being disposed within said upper housing, said electromagnet assembly being disposed within said electromagnet frame.
4. The direct-acting three-way electromagnetic valve according to claim 3, wherein the electromagnetic assembly further comprises an electromagnetic coil, the electromagnetic coil is arranged in the electromagnetic iron frame and sleeved on the peripheries of the movable iron core and the static iron core, and the electromagnetic coil drives the movable iron core to drive the valve rod to move so as to change the flow direction of the medium flowing through the electromagnetic valve.
5. A direct-acting three-way electromagnetic valve according to claim 4, wherein the valve body comprises an upper valve body and a lower valve body, one end of the upper valve body is connected with the lower valve body, one end of the upper valve body, which is far away from the lower valve body, is connected with the upper shell, the electromagnet frame is connected with the upper valve body through a connecting part, and the diaphragm is arranged between the connecting part and the upper valve body.
6. A direct-acting three-way electromagnetic valve according to claim 5, wherein a sealing ring is arranged between the upper valve body and the lower valve body, and the upper valve body and the lower valve body are connected in a sealing manner through the sealing ring.
7. The direct-acting three-way electromagnetic valve according to claim 6, wherein the valve body includes a first port, a second port, a third port, and a medium circulation line, the valve stem is disposed in the medium circulation line, the first port, the second port, and the third port are respectively communicated with the medium circulation line, the first port and the second port are disposed oppositely, and the third port is disposed on a side of the upper valve body.
8. The direct-acting three-way solenoid valve according to claim 7, wherein one end of the medium circulation line communicates with the second port, and a sidewall of the medium circulation line communicates with the third port; after the electromagnetic coil is electrified, the movable iron core drives the valve rod to move so as to selectively enable the medium circulation pipeline to be communicated with the second port or the third port.
9. The direct-acting three-way electromagnetic valve according to claim 8, wherein the valve flap is disposed in a medium flow line in the lower valve body, and when the lower valve stem blocks one end of the medium flow line, the medium flow line communicates the first port with the third port.
10. The direct-acting three-way solenoid valve as claimed in claim 1, wherein the diaphragm is made of plastic and the valve flap is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221964238.2U CN218094387U (en) | 2022-07-27 | 2022-07-27 | Direct-acting three-way electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221964238.2U CN218094387U (en) | 2022-07-27 | 2022-07-27 | Direct-acting three-way electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218094387U true CN218094387U (en) | 2022-12-20 |
Family
ID=84483921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221964238.2U Active CN218094387U (en) | 2022-07-27 | 2022-07-27 | Direct-acting three-way electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218094387U (en) |
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2022
- 2022-07-27 CN CN202221964238.2U patent/CN218094387U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Address after: 518000, Building 1, 101, Evergrande Fashion Huigu Building, Fulong Road, Shanghenglang Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Security Medical Technology Co.,Ltd. Country or region after: China Address before: A1302, Shenzhen national engineering laboratory building, No.20, Gaoxin South 7th Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen Security Medical Technology Co.,Ltd. Country or region before: China |
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