CN217736339U - Solenoid valve and diaphragm assembly thereof - Google Patents
Solenoid valve and diaphragm assembly thereof Download PDFInfo
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- CN217736339U CN217736339U CN202221973767.9U CN202221973767U CN217736339U CN 217736339 U CN217736339 U CN 217736339U CN 202221973767 U CN202221973767 U CN 202221973767U CN 217736339 U CN217736339 U CN 217736339U
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Abstract
The utility model relates to a fluid control valve field especially relates to a solenoid valve and diaphragm assembly thereof. The utility model discloses a solenoid valve and diaphragm assembly thereof, wherein, including the diaphragm body, diaphragm frame and pressure boost passageway, pressure boost passageway includes first pressure boost passageway section and second pressure boost passageway section, and the cross-sectional area of first pressure boost passageway section is greater than the cross-sectional area of second pressure boost passageway section, moves the certain distance back from the position of opening the valve toward the closed valve position when the diaphragm assembly, and first pressure boost passageway section is from direct water pressure balance chamber intercommunication with the solenoid valve to switch into the water pressure balance chamber intercommunication that first pressure boost passageway section passes through second pressure boost passageway section and solenoid valve. The utility model discloses when can reduce the water hammer, shorten and close the valve time.
Description
Technical Field
The utility model belongs to the fluid control valve field specifically relates to a solenoid valve and diaphragm subassembly thereof.
Background
A solenoid valve is a valve device that controls an on-off valve using an electromagnet, and the solenoid valve can be applied to control various fluids including liquids, gases, and the like. Because the control precision and flexibility of the electromagnetic valve can be ensured, the control is simple, and the method is widely applied to modern industrial automatic control systems. The electromagnetic valve is easy to have water hammer when closed, the water hammer can cause strong vibration and noise of a pipeline system, residents can be disturbed when the valve is closed statically at night, a valve body joint can be damaged, and the pipeline system is greatly damaged, so that the water hammer is necessary to be improved.
The water hammer of the electromagnetic valve is mainly determined by the water closing time, the larger the pressurizing channel is, the shorter the water closing time is, the larger the water impact is at the moment of closing the valve, and the larger the water hammer is. In order to reduce water hammer to reach the national standard of 0.2MPa, the existing water hammer electromagnetic valve usually needs to make a pressurizing channel very small, the water closing time is prolonged due to the fact that the pressurizing channel is too small, the water closing time even exceeds the water closing time requirement of the national standard of 1.5s, the use experience is not good, and water resource waste is caused due to the fact that water closing is delayed.
Disclosure of Invention
An object of the utility model is to provide a solenoid valve and diaphragm subassembly thereof are used for solving the technical problem that above-mentioned exists.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a diaphragm subassembly of solenoid valve, includes the diaphragm body, diaphragm frame and pressure boost passageway, pressure boost passageway includes first pressure boost passageway section and second pressure boost passageway section, the cross-sectional area of first pressure boost passageway section is greater than the cross-sectional area of second pressure boost passageway section, after diaphragm subassembly moved certain distance from the position of opening the valve toward closed valve, first pressure boost passageway section was switched into the water pressure balance chamber intercommunication of first pressure boost passageway section through second pressure boost passageway section and solenoid valve from the water pressure balance chamber intercommunication of direct and solenoid valve.
Further, the diaphragm body includes towards the first surface of closing valve moving direction and towards the second surface of opening valve moving direction, and the diaphragm frame includes diaphragm frame body and fixed part, and the diaphragm frame body sets up on the second surface of diaphragm body, and the fixed part setting is just fixed wearing to establish the diaphragm body on the first surface of diaphragm frame body.
Furthermore, the first pressurizing channel section is arranged on the diaphragm body, and the second pressurizing channel section is arranged on the diaphragm frame body.
Furthermore, the first pressurizing channel section is composed of a first water inlet hole which is arranged on the diaphragm body and penetrates through the first surface and the second surface of the diaphragm body, when the diaphragm assembly is located at a valve opening position, the second end face of the first water inlet hole is separated from the first surface of the diaphragm frame body and is directly communicated with the water pressure balance cavity of the electromagnetic valve, and after the diaphragm assembly moves for a certain distance from the valve opening position to a valve closing position, the second end face of the first water inlet hole is attached to the first surface of the diaphragm frame body and is communicated with the second pressurizing channel section.
Furthermore, the second pressurizing passage section is composed of a first water inlet groove formed in the first surface of the diaphragm frame body, and after the diaphragm assembly moves a certain distance from the open valve position to the closed valve position, the second end of the first water inlet hole is communicated with the first water inlet groove.
Furthermore, a convex column is arranged on the first surface of the diaphragm frame body, a second water inlet groove along the axial direction of the convex column is arranged on the outer peripheral surface of the convex column, two ends of the second water inlet groove respectively extend to the free end of the convex column and the first surface of the diaphragm frame body and are communicated with the first water inlet groove, and the convex column movably penetrates through the first water inlet hole.
Furthermore, the convex column is of a cylindrical structure.
Furthermore, the second pressurizing channel section is formed by a second water inlet hole which is formed in the diaphragm frame body and penetrates through the first surface and the second surface of the diaphragm frame body, and when the diaphragm assembly moves a certain distance from the valve opening position to the valve closing position, the second end of the first water inlet hole is communicated with the second water inlet hole.
Furthermore, the quantity of first inlet opening is a plurality of, and a plurality of first inlet opening annular sets up, and the first surface of diaphragm frame body still is equipped with annular groove that converges, converges groove and second pressure boost passageway section intercommunication, and after diaphragm assembly moved the certain distance from the position of opening the valve toward closing the valve position, the second end of a plurality of first inlet openings all communicates with the groove that converges.
The utility model also discloses a solenoid valve, including solenoid valve head, valve body and diaphragm subassembly, the diaphragm subassembly is foretell diaphragm subassembly.
The utility model has the advantages of:
the utility model discloses a be equipped with first pressure boost passageway section and second pressure boost passageway section on diaphragm subassembly, the cross-sectional area of first pressure boost passageway section is greater than the cross-sectional area of second pressure boost passageway section, after diaphragm subassembly moves the certain distance from the open valve position toward the closed valve position, first pressure boost passageway section is switched into the water pressure balance chamber intercommunication that first pressure boost passageway section passes through second pressure boost passageway section and solenoid valve from the water pressure balance chamber intercommunication of directness and solenoid valve, when realizing reducing the water attack, shorten the closed valve time, promote to use experience and water economy resource.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a sectional view of a solenoid valve according to a first embodiment of the present invention in an open state;
fig. 2 is a cross-sectional view of a solenoid valve according to a first embodiment of the present invention in a valve-closed state;
fig. 3 is a structural diagram of a diaphragm assembly according to a first embodiment of the present invention;
fig. 4 is a structural diagram of another view angle of the diaphragm assembly according to the first embodiment of the present invention;
fig. 5 is an exploded view of a diaphragm assembly according to a first embodiment of the present invention;
fig. 6 is a cross-sectional view of a diaphragm assembly in a closed valve position according to a first embodiment of the present invention;
fig. 7 is a cross-sectional view of a diaphragm assembly in an open valve position according to a first embodiment of the present invention;
fig. 8 is a structural diagram of a diaphragm assembly according to a second embodiment of the present invention;
fig. 9 is an exploded view of a diaphragm assembly according to a second embodiment of the present invention;
fig. 10 is a cross-sectional view of a diaphragm assembly in a closed valve position according to a second embodiment of the present invention;
fig. 11 is a structural diagram of a diaphragm assembly according to a third embodiment of the present invention;
fig. 12 is an exploded view of a diaphragm assembly according to a third embodiment of the present invention;
fig. 13 is a cross-sectional view of a diaphragm assembly in a closed valve position according to a third embodiment of the present invention.
Detailed Description
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The present invention will now be further described with reference to the accompanying drawings and detailed description.
As shown in fig. 1-7, an electromagnetic valve, including membrane module 1, valve body 2 and electromagnetic valve head 3, valve body 2 is equipped with water inlet 21, delivery port 22 and the water hole 23 of crossing that communicates water inlet 21 and delivery port 22, and membrane module 1 sets up inside valve body 2, and electromagnetic valve head 3 is used for controlling membrane module 1 to open or close and crosses water hole 23 and realize opening the valve or close the valve, and current electromagnetic valve can be referred to more specific structure, and this is not the improvement point of the utility model, no further explanation is needed.
The diaphragm assembly 1 comprises a diaphragm body 11, a diaphragm frame 12 and a pressurizing channel 13, wherein the pressurizing channel 13 comprises a first pressurizing channel section 131 and a second pressurizing channel section 132, the cross-sectional area of the first pressurizing channel section 131 is larger than that of the second pressurizing channel section 132, the water inlet end of the first pressurizing channel section 131 is communicated with the water inlet 21, and when the diaphragm assembly 1 moves a certain distance (not to a completely closed position) from an open valve position (shown in fig. 1) to a closed valve position (shown in fig. 2), the first pressurizing channel section 131 is switched from being directly communicated with the hydraulic balance cavity 4 of the solenoid valve to being communicated with the hydraulic balance cavity 4 of the solenoid valve through the second pressurizing channel section 132, so that the flow of the pressurizing channel 13 is reduced, and the water hammer is reduced.
In this embodiment, the diaphragm body 11 includes a first surface 111 facing the valve closing movement direction (downward direction in this embodiment, based on fig. 1) and a second surface 112 facing the valve opening movement direction (upward direction), the first surface 111 is used to seal against the water through hole 23 to close the water through hole 23 (as shown in fig. 2) when the valve is closed, the diaphragm body 11 is preferably made of a rubber material, but not limited thereto, and in some embodiments, other materials with certain elasticity may be used.
The diaphragm frame 12 includes a diaphragm frame body 121 and a fixing portion 122, the diaphragm frame body 121 is disposed on the second surface 112 of the diaphragm body 11, when in a valve closing state, the first surface 1211 of the diaphragm frame body 121 is attached to the second surface 112 of the diaphragm body 11, the fixing portion 122 is disposed on the first surface 1211 of the diaphragm frame body 121, the diaphragm body 11 is provided with a fixing hole 113 penetrating through the first surface 111 and the second surface 112, the fixing portion 122 is fixedly penetrated through the fixing hole 113, and a size of a lower end portion of the fixing portion 122 is larger than a size of the fixing hole 113, so as to limit the fixing portion 122 from being separated from the fixing hole 113.
The first pressurizing passage section 131 is provided on the diaphragm body 11, and the second pressurizing passage section 132 is provided on the diaphragm frame body 12.
In this embodiment, the second pressure-increasing channel section 132 is formed by the first water inlet groove 14 disposed on the first surface 1211 of the diaphragm frame body 121, a water outlet end of the first water inlet groove 14 is always communicated with the water pressure balance chamber 4, the first pressure-increasing channel section 131 is formed by the first water inlet hole 114 disposed on the diaphragm body 11 and penetrating through the first surface 111 and the second surface 112 of the diaphragm body 11, a cross-sectional area of the first water inlet hole 114 is larger than a cross-sectional area of the first water inlet groove 14, a first end of the first water inlet hole 114 is communicated with the water inlet 21, when the diaphragm assembly 1 is in the open valve position, a second end of the first water inlet hole 114 is separated from the first surface 1211 of the diaphragm frame body 121, as shown in fig. 7, that is, when the diaphragm assembly 1 is in the open valve position, the diaphragm body 11 located outside the mounting hole 113 is deformed and separated from the first surface 1211 of the diaphragm frame body 121 to form a certain gap, the first water inlet hole 114 is disposed on a region of the diaphragm body 11, so that the second end of the first water inlet hole 114 is directly communicated with the water pressure balance chamber 4; when the diaphragm assembly 1 moves a certain distance from the open valve position to the closed valve position and does not reach the completely closed valve position (i.e. the distance is a certain distance from the completely closed valve position), the second surface 112 of the diaphragm body 11 is attached to the first surface 1211 of the diaphragm frame body 121 (so that the first water inlet groove 14 is sealed by the second surface 112 of the diaphragm body 11 to form the second pressurizing passage section 132), as shown in fig. 6, so that the first water inlet hole 114 is disconnected from the direct communication with the water pressure balancing chamber 4, the first water inlet hole 114 is communicated with the water inlet end of the first water inlet groove 14, and the first water inlet groove 14 is communicated with the water pressure balancing chamber 4.
In this embodiment, the number of the first water inlet holes 114 is multiple, specifically 6, but not limited thereto, and the 6 first water inlet holes 114 are annularly arranged, and by arranging the multiple first water inlet holes 114, the flow rate of the first pressurizing passage section 131 is further increased, thereby shortening the valve closing time.
The first surface 1211 of the diaphragm frame body 121 is further provided with an annular confluence groove 15, the confluence groove 15 is communicated with the water inlet ends of the first water inlet grooves 14, and after the diaphragm assembly 1 moves a certain distance from the valve opening position to the valve closing position, the second ends of the 6 first water inlet holes 114 are communicated with the confluence groove 15.
At the moment when the electromagnetic valve starts to close, the diaphragm assembly 1 is in a valve opening position, and at this time, the first water inlet hole 114 is directly communicated with the water pressure balance cavity 4 for water inlet, so that the water pressure balance cavity 4 is pressurized quickly, the diaphragm frame 12 and the diaphragm body 11 positioned below the diaphragm frame 12 descend quickly, and the valve closing speed is high (the valve closing time is shortened); when the diaphragm assembly 1 is close to the complete valve closing position, the second surface 112 of the diaphragm body 11 is attached to the first surface 1211 of the diaphragm frame body 121, the first water inlet hole 114 is communicated with the water pressure balance cavity 4 through the confluence groove 15 and the first water inlet groove 14 for water inlet, the pressurizing channel 13 of the diaphragm assembly 1 is reduced, the water closing time is reduced, the water hammer is reduced, the whole valve closing time is shortened, the use experience is improved, and the water resource is saved.
Example two
As shown in fig. 8-10, the main difference between the present embodiment and the first embodiment lies in the structure difference of the pressurizing channel 13, specifically, in the present embodiment, the second pressurizing channel section 132 is formed by the first water inlet groove 14 disposed on the first surface 1211 of the diaphragm frame body 121, the water outlet end of the first water inlet groove 14 is always communicated with the water pressure balance cavity 4, the diaphragm body 11 is provided with the first water inlet hole 114 penetrating through the first surface 111 and the second surface 112 of the diaphragm body 11, the first surface 1211 of the diaphragm frame body 121 is provided with the protruding pillar 16, the outer circumferential surface of the protruding pillar 16 is provided with the second water inlet groove 161 along the axial direction of the protruding pillar 16, two ends of the second water inlet groove 161 respectively extend to the free end of the protruding pillar 16 and the first surface 1211 of the diaphragm frame body 121 and are communicated with the first water inlet groove 14, the protruding pillar 16 is movably disposed in the first water inlet hole 114, so that the second water inlet groove 161 disposed in the first water inlet hole 114 forms the first pressurizing channel section 131, the cross-sectional area of the second water inlet groove 161 is larger than the cross-sectional area of the first water inlet groove 14, when the valve assembly 1 is located at the position, the water pressure balance cavity is directly communicated with the first water inlet hole 121; when the diaphragm assembly 1 moves a certain distance from the open valve position to the closed valve position and does not reach the completely closed valve position (i.e. there is a first certain distance from the completely closed valve position), the second surface 112 of the diaphragm body 11 is attached to the first surface 1211 of the diaphragm frame body 121 (so that the first water inlet groove 14 is sealed by the second surface 112 of the diaphragm body 11 to form the second pressurizing passage section 132), and the second water inlet groove 161 is disconnected from the direct communication with the water pressure balance chamber 4, and the second water inlet groove 161 is communicated with the water inlet end of the first water inlet groove 14 and communicated with the water pressure balance chamber 4 through the first water inlet groove 14.
In this embodiment, the convex pillar 16 is a cylindrical structure, which has good symmetry and is easy to manufacture, but not limited thereto, and in some embodiments, the convex pillar 16 may also be other prismatic structures.
At the moment when the electromagnetic valve starts to close, the diaphragm assembly 1 is in a valve opening position, and at the moment, the second water inlet groove 161 is directly communicated with the water pressure balance cavity 4 for water inlet, so that the water pressure balance cavity 4 is pressurized quickly, the diaphragm frame 12 and the diaphragm body 11 positioned below the diaphragm frame 12 descend quickly, and the valve closing speed is high (the valve closing time is shortened); when the diaphragm assembly 1 is close to the complete valve closing position, the second surface 112 of the diaphragm body 11 is attached to the first surface 1211 of the diaphragm frame body 121, the second water inlet groove 161 is communicated with the water pressure balance chamber 4 through the first water inlet groove 14 for water inlet, the pressurizing channel 13 of the diaphragm assembly 1 is reduced, the water closing time is reduced, water hammer is reduced, the whole valve closing time is shortened, the use experience is improved, and water resources are saved.
EXAMPLE III
As shown in fig. 11 to 13, the main difference between the present embodiment and the first embodiment lies in the structure of the second pressurizing passage section 132, specifically, in the present embodiment, the second pressurizing passage section 132 is formed by a second water inlet 17 disposed on the diaphragm holder body 121 and penetrating through the first surface 1211 and the second surface 1212 of the diaphragm holder body 121, and the cross-sectional area of the second water inlet 17 is smaller than the cross-sectional area of the first water inlet 114.
When the electromagnetic valve starts to close, the diaphragm assembly 1 is in the valve opening position, at this time, the first water inlet hole 114 is directly communicated with the water pressure balance cavity 4 for water inlet, so that the water pressure balance cavity 4 is pressurized quickly, the diaphragm frame 12 and the diaphragm body 11 positioned below the diaphragm frame 12 descend quickly, and the valve closing speed is high (the valve closing time is shortened); when the diaphragm assembly 1 is close to the complete valve closing position, the second surface 112 of the diaphragm body 11 is attached to the first surface 1211 of the diaphragm frame body 121, the first water inlet hole 114 is communicated with the water pressure balance cavity 4 through the confluence groove 15 and the first water inlet groove 14 for water inlet, the pressurizing channel 13 of the diaphragm assembly 1 is reduced, the water closing time is reduced, the water hammer is reduced, the whole valve closing time is shortened, the use experience is improved, and the water resource is saved.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a diaphragm assembly of solenoid valve, includes diaphragm body, diaphragm frame and pressure boost passageway, its characterized in that: the pressurizing channel comprises a first pressurizing channel section and a second pressurizing channel section, the cross-sectional area of the first pressurizing channel section is larger than that of the second pressurizing channel section, and after the diaphragm assembly moves a certain distance from a valve opening position to a valve closing position, the first pressurizing channel section is switched from being directly communicated with the water pressure balance cavity of the electromagnetic valve to be communicated with the water pressure balance cavity of the electromagnetic valve through the second pressurizing channel section.
2. The diaphragm assembly of a solenoid valve according to claim 1, wherein: the diaphragm body includes towards the first surface of closing valve moving direction and towards the second surface of opening valve moving direction, and the diaphragm frame includes diaphragm frame body and fixed part, and the diaphragm frame body sets up on the second surface of diaphragm body, and the fixed part setting is just fixed wearing to establish the diaphragm body on the first surface of diaphragm frame body.
3. The diaphragm assembly of a solenoid valve according to claim 2, wherein: the first pressurizing channel section is arranged on the diaphragm body, and the second pressurizing channel section is arranged on the diaphragm frame body.
4. A diaphragm assembly of a solenoid valve according to claim 3, wherein: the first pressurizing channel section is formed by a first water inlet hole which is formed in the diaphragm body and penetrates through the first surface and the second surface of the diaphragm body, when the diaphragm assembly is located at a valve opening position, the second end face of the first water inlet hole is separated from the first surface of the diaphragm frame body and is directly communicated with a water pressure balance cavity of the electromagnetic valve, and after the diaphragm assembly moves a certain distance from the valve opening position to a valve closing position, the second end face of the first water inlet hole is attached to the first surface of the diaphragm frame body and is communicated with the second pressurizing channel section.
5. The diaphragm assembly of a solenoid valve according to claim 4, wherein: the second pressurizing channel section is composed of a first water inlet groove formed in the first surface of the diaphragm frame body, and after the diaphragm assembly moves a certain distance from the open valve position to the closed valve position, the second end of the first water inlet hole is communicated with the first water inlet groove.
6. The diaphragm assembly of a solenoid valve according to claim 5, wherein: the diaphragm frame is characterized in that a convex column is arranged on the first surface of the diaphragm frame body, a second water inlet groove along the axial direction of the convex column is formed in the peripheral face of the convex column, two ends of the second water inlet groove respectively extend to the free end of the convex column and the first surface of the diaphragm frame body and are communicated with the first water inlet groove, and the convex column movably penetrates through the first water inlet hole.
7. The diaphragm assembly of a solenoid valve according to claim 6, wherein: the convex column is of a cylindrical structure.
8. The diaphragm assembly of a solenoid valve according to claim 4, wherein: the second pressurizing channel section is formed by second water inlet holes which are formed in the diaphragm frame body and penetrate through the first surface and the second surface of the diaphragm frame body, and when the diaphragm assembly moves a certain distance from the valve opening position to the valve closing position, the second end of the first water inlet hole is communicated with the second water inlet holes.
9. The diaphragm assembly of a solenoid valve according to claim 5 or 8, wherein: the quantity of first inlet opening is a plurality of, and a plurality of first inlet opening annular sets up, and the first surface of diaphragm frame body still is equipped with the annular groove that converges, converges groove and second pressure boost passageway section intercommunication, and after diaphragm assembly moved the certain distance from the position of opening the valve to the position of closing the valve, the second end of a plurality of first inlet openings all communicates with the groove that converges.
10. The utility model provides a solenoid valve, includes solenoid valve head, valve body and diaphragm subassembly, its characterized in that: the membrane module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221973767.9U CN217736339U (en) | 2022-07-28 | 2022-07-28 | Solenoid valve and diaphragm assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221973767.9U CN217736339U (en) | 2022-07-28 | 2022-07-28 | Solenoid valve and diaphragm assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217736339U true CN217736339U (en) | 2022-11-04 |
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ID=83814289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221973767.9U Active CN217736339U (en) | 2022-07-28 | 2022-07-28 | Solenoid valve and diaphragm assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217736339U (en) |
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2022
- 2022-07-28 CN CN202221973767.9U patent/CN217736339U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An electromagnetic valve and its diaphragm component Effective date of registration: 20230825 Granted publication date: 20221104 Pledgee: Bank of China Limited Xiamen Haicang sub branch Pledgor: Xiamen Jianwu Industrial Co.,Ltd. Registration number: Y2023980053757 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |