CN221257829U - Sealing cover for small electromagnetic valve - Google Patents
Sealing cover for small electromagnetic valve Download PDFInfo
- Publication number
- CN221257829U CN221257829U CN202323171784.8U CN202323171784U CN221257829U CN 221257829 U CN221257829 U CN 221257829U CN 202323171784 U CN202323171784 U CN 202323171784U CN 221257829 U CN221257829 U CN 221257829U
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- Prior art keywords
- valve
- sealing
- groove
- connecting portion
- cover body
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 111
- 239000012528 membrane Substances 0.000 claims description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a sealing cover for a small electromagnetic valve, which relates to the technical field of valve covers and comprises a valve cover assembly and a sealing assembly, wherein the valve cover assembly comprises a valve cover body, a first connecting part and a second connecting part which are arranged at the outer side of the valve cover body at intervals, the first connecting part is of a threaded structure, the second connecting part is of a buckle type structure, and the sealing assembly is arranged in the valve cover body. The first connecting part is designed into a threaded structure, so that the valve cover body is convenient to install on the valve body; the second connecting portion is designed into a buckle type structure, so that the valve cover body and the actuating mechanism are conveniently connected together, a connecting mode such as screw fixing is replaced, connection is convenient, and manufacturing and using costs are reduced. The sealing assembly is controlled by the matched actuating mechanism to enable the valve body to be in an open state and a closed state, so that the ventilation and blocking of gas in the valve body can be conveniently controlled.
Description
Technical Field
The utility model relates to the technical field of valve caps, in particular to a sealing cover for a small electromagnetic valve.
Background
Solenoid valves are often required to be installed on natural gas pipelines to control the flow rate, direction, and flow and shut-off of fluids within the pipeline. The electromagnetic valve mainly comprises a valve body, a valve cover, a valve rod and an electromagnetic component for driving the valve rod to act, wherein the valve body is connected with the electromagnetic component through the valve cover, and the valve rod is arranged in the valve cover. The parts of the valve cover of the electromagnetic valve, which are used for connecting the electromagnetic assembly and the valve body, are usually independent, and the parts are often connected by bolts when assembled integrally. The machining precision requirement of the valve cover is very high, and meanwhile, more assembly gaps exist among all parts during assembly, so that leakage points are easy to form, and fluid in a pipeline leaks from the connection points.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provides a sealing cover for a small electromagnetic valve.
The aim of the utility model is realized by the following technical scheme:
The utility model provides a sealed lid for small-size solenoid valve, includes valve gap subassembly and sealing component, and above-mentioned valve gap subassembly includes valve gap body and interval setting in the first connecting portion and the second connecting portion in the valve gap body outside, and above-mentioned valve gap body is connected with the valve body through above-mentioned first connecting portion, and above-mentioned valve gap body is connected with supporting actuating mechanism that uses through above-mentioned second connecting portion, and above-mentioned first connecting portion is screw structure, and above-mentioned second connecting portion is buckle formula structure, and above-mentioned sealing component sets up in this internal in above-mentioned valve gap.
Further, in the present utility model, a first groove is formed in an end surface of the valve cover body, which is close to the first connection portion, the sealing assembly includes a sealing membrane, an elastic restoring member, a pull rod, and a movable iron core, the pull rod is disposed through the valve cover body and is slidably and sealingly connected with the valve cover body, one end of the pull rod extends into the first groove, a free end of the pull rod extends out of the valve cover body, the sealing membrane is disposed in the first groove and is detachably connected with the pull rod, one end of the elastic restoring member is in contact with the sealing membrane, the other end of the elastic restoring member is in contact with the valve cover body, and the movable iron core is detachably disposed at the free end of the pull rod.
Further, in the present utility model, a valve flap is provided at one end of the pull rod near the sealing membrane, and the sealing membrane is detachably connected to the valve flap.
Further, in the utility model, a second groove is formed on the end surface of the valve clack close to the sealing membrane, one end of the pull rod close to the sealing membrane stretches into the second groove, a plurality of limiting blocks are uniformly arranged on the inner side wall of the second groove at intervals in the circumferential direction, the limiting blocks and the valve clack are integrally formed, and any limiting block is abutted against the pull rod.
Further, in the present utility model, a third groove adapted to the elastic restoring member is provided in the valve cover body, an opening of the third groove faces the first groove, the third groove communicates with the first groove, a central axis of the third groove is collinear with a central axis of the first groove, and an end of the elastic restoring member away from the sealing membrane abuts against an inner bottom of the third groove.
Further, in the present utility model, a through hole adapted to the tie rod is provided in the valve cover body, the through hole is communicated with the third groove, a central axis of the through hole is collinear with a central axis of the third groove, and the tie rod is slidably sealed in the through hole.
Further, in the present utility model, a sealing mechanism is provided between the pull rod and the valve cover body, the sealing mechanism includes at least one first sealing ring, a first ring groove adapted to the first sealing ring is provided in the middle of the pull rod, the first sealing ring is disposed in the first ring groove, and the first sealing ring abuts against an inner side wall of the through hole.
Further, in the present utility model, the first seal ring is an O-ring seal.
Further, in the present utility model, the valve cover body has a cylindrical structure, the first connecting portion and the second connecting portion are respectively located at two ends of the valve cover body, a second ring groove is disposed in a circumferential direction of the valve cover body, which is close to the first connecting portion, the second ring groove is located between the first connecting portion and the second connecting portion, and a second seal ring is disposed in the second ring groove.
Further, in the present utility model, the valve cover body is provided with a mounting portion near the second connecting portion, the mounting portion is located at a side of the second connecting portion away from the first connecting portion, and a cross section of the mounting portion is in a regular hexagon shape.
The beneficial effects of the utility model are as follows:
The utility model provides a sealing cover for a small electromagnetic valve, wherein a first connecting part on a valve cover body is used for being connected with a valve body, so that the valve cover body is convenient to install on the valve body. The first connecting part is designed into a threaded structure, and is convenient to install and detach. The second connecting part on the valve cover body is used for being connected with the matched actuating mechanism, so that the actuating mechanism is convenient to install on the valve cover body, and the action of the sealing assembly in the valve cover body is controlled. The second connecting portion is designed into a buckle type structure, so that the valve cover body and the actuating mechanism are conveniently connected together, a connecting mode such as screw fixing is replaced, connection is convenient, and manufacturing and using costs are reduced. The sealing assembly is controlled by the matched actuating mechanism to enable the valve body to be in an open state and a closed state, so that the ventilation and blocking of gas in the valve body can be conveniently controlled.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of an embodiment of the present utility model;
fig. 4 is a schematic structural view of a valve cover body according to an embodiment of the present utility model;
FIG. 5 is a schematic structural view of a valve flap according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram of a connection structure between a valve flap and a pull rod according to an embodiment of the present utility model;
FIG. 7 is a schematic view of a valve cover body and a valve body in a closed state after the valve cover body is connected with the valve body;
fig. 8 is a schematic structural view of the valve body in an open state after the valve cover body is connected with the valve body.
In the figure: 1-a valve cover body; 2-a first connection; 3-a second connection; 4-a first groove; 5-sealing the membrane; 6-elastic restoring piece; 7-a pull rod; 8-a movable iron core; 9-a valve clack; 10-a second groove; 11-limiting blocks; 12-a third groove; 13-through holes; 14-a first sealing ring; 15-a first ring groove; 16-a second ring groove; 17-a second sealing ring; 18-a mounting portion; 19-valve body.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
Referring to fig. 1-8, the present utility model provides a technical solution:
The utility model provides a sealed lid for small-size solenoid valve, includes valve gap subassembly and sealing component, and valve gap subassembly includes valve gap body 1 and interval setting in first connecting portion 2 and the second connecting portion 3 in the valve gap body 1 outside, and valve gap body 1 is connected with valve body 19 through first connecting portion 2, and valve gap body 1 is connected with supporting actuating mechanism that uses through second connecting portion 3, and first connecting portion 2 is the helicitic texture, and second connecting portion 3 is buckle formula structure, and sealing component sets up in valve gap body 1.
In this embodiment, the valve cover body 1 is used for installing a sealing assembly and connecting the valve body 19 with a matched actuator. The first connecting part 2 on the valve cover body 1 is used for being connected with the valve body 19, so that the valve cover body 1 is conveniently installed on the valve body 19. The first connecting part 2 is designed into a threaded structure, and is convenient to install and detach. The first connecting portion 2 is an external thread in this embodiment. The second connecting part 3 on the valve cover body 1 is used for being connected with a matched executing mechanism, so that the executing mechanism is convenient to install on the valve cover body 1, and the action of the sealing assembly in the valve cover body 1 is controlled. The second connecting part 3 is designed into a buckle type structure, so that the valve cover body 1 and the actuating mechanism are conveniently connected together, a connecting mode such as screw fixing is replaced, the connection is convenient, and the manufacturing and using cost is reduced. The sealing assembly is controlled by the matched actuating mechanism to enable the valve body 19 to be in an open state and a closed state, so that the ventilation and blocking of the gas in the valve body 19 can be conveniently controlled.
In some embodiments of the present embodiment, the end face of the valve cover body 1, which is close to the first connecting portion 2, is provided with a first groove 4, the sealing assembly includes a sealing membrane 5, an elastic restoring member 6, a pull rod 7 and a movable iron core 8, the pull rod 7 is arranged on the valve cover body 1 in a penetrating manner and is in sliding sealing connection with the valve cover body 1, one end of the pull rod 7 extends into the first groove 4, the free end of the pull rod extends out of the valve cover body 1, the sealing membrane 5 is located in the first groove 4 and is detachably connected with the pull rod 7, one end of the elastic restoring member 6 is in butt joint with the sealing membrane 5, the other end of the elastic restoring member is in butt joint with the valve cover body 1, and the movable iron core 8 is detachably arranged at the free end of the pull rod 7.
In this embodiment, the sealing membrane 5 can abut against the air outlet of the valve body 19, so as to seal the air outlet of the valve body 19, and prevent the air from flowing through the valve body 19. The pull rod 7 is used for connecting the sealing membrane 5 and the movable iron core 8. The movable iron core 8 is connected with the actuating mechanism, so that the actuating mechanism can conveniently control the pull rod 7 to act, and the sealing diaphragm 5 is controlled to be abutted or separated with the air outlet of the valve body 19.
When the gas in the valve body 19 does not need to circulate, the actuating mechanism does not work, the sealing diaphragm 5 is abutted with the gas outlet of the valve body 19 under the action of the elastic resetting piece 6 and is always in an abutted state with the gas outlet of the valve body 19 under the action of elastic force, and the sealing diaphragm 5 can block the circulation of the gas in the valve body 19; when the gas in the valve body 19 needs to circulate, the actuating mechanism works, the movable iron core 8 is attracted by the static iron core in the actuating mechanism, so that the pull rod 7 is driven to pull the sealing membrane 5, the sealing membrane 5 overcomes the elasticity of the elastic resetting piece 6 and is separated from the gas outlet of the valve body 19, and the gas in the valve body 19 can circulate and then be conveyed to other places. The elastic restoring member 6 may use a common spring.
In some implementations of the present embodiment, the end of the pull rod 7 near the sealing membrane 5 is provided with a valve flap 9, and the sealing membrane 5 is detachably connected with the valve flap 9.
In the present embodiment, the valve flap 9 is used for mounting the sealing diaphragm 5, and at the same time, the contact area of the sealing diaphragm 5 with the tie rod 7 can be increased. When the sealing diaphragm 5 is abutted against the air outlet of the valve body 19, the design can reduce the probability of the sealing diaphragm 5 tilting under the air pressure impact, so that the leakage probability of air is reduced. The flap 9 can be mounted on the pull rod 7 by means of a threaded connection. The valve clack 9 and the sealing membrane 5 can be connected together in a clamping or threaded connection mode.
In some embodiments of the present embodiment, the end surface of the valve clack 9, which is close to the sealing membrane 5, is provided with a second groove 10, one end of the pull rod 7, which is close to the sealing membrane 5, extends into the second groove 10, a plurality of limiting blocks 11 are uniformly arranged at intervals in the circumferential direction of the inner side wall of the second groove 10, the limiting blocks 11 are integrally formed with the valve clack 9, and any limiting block 11 is abutted to the pull rod 7.
In this embodiment, the plurality of stoppers 11 can limit the displacement of the valve clack 9 mounted on the pull rod 7, so as to prevent the valve clack 9 from swaying on the pull rod 7, thereby driving the sealing membrane 5 to sway, and affecting the sealing effect of the sealing membrane 5.
In some implementations of this embodiment, a third groove 12 adapted to the elastic restoring member 6 is disposed in the valve cover body 1, an opening of the third groove 12 faces the first groove 4, the third groove 12 is communicated with the first groove 4, a central axis of the third groove 12 is collinear with a central axis of the first groove 4, and an end of the elastic restoring member 6 away from the sealing membrane 5 abuts against an inner bottom of the third groove 12.
In the present embodiment, the third recess 12 is used for mounting the elastic restoring member 6. The third groove 12 may be designed to have the same inner diameter as the outer diameter of the elastic restoring member 6 to ensure that the elastic restoring member 6 is in the correct installation position.
In some implementations of this embodiment, a through hole 13 adapted to the pull rod 7 is provided in the valve cover body 1, the through hole 13 is communicated with the third groove 12, the central axis of the through hole 13 is collinear with the central axis of the third groove 12, and the pull rod 7 is slidably and sealingly disposed in the through hole 13.
In the present embodiment, the through hole 13 is used for mounting the tie rod 7.
In some implementations of this embodiment, a sealing mechanism is provided between the pull rod 7 and the valve cover body 1, the sealing mechanism includes at least one first sealing ring 14, a first ring groove 15 adapted to the first sealing ring 14 is provided in the middle of the pull rod 7, the first sealing ring 14 is disposed in the first ring groove 15, and the first sealing ring 14 abuts against an inner sidewall of the through hole 13.
In the embodiment, the sealing mechanism is designed to have the structure, so that the sealing purpose can be achieved, and the movement of the pull rod 7 in the through hole 13 is not hindered, so that the assembly is convenient.
In some implementations of this embodiment, the first seal ring 14 is an O-ring seal.
In this embodiment, the first sealing ring 14 is an O-ring, and this sealing mode has stronger pressure bearing capability and better sealing performance than the sealing mode of the diaphragm.
In some implementations of this embodiment, the valve cover body 1 is in a cylindrical structure, the first connecting portion 2 and the second connecting portion 3 are respectively located at two ends of the valve cover body 1, a second annular groove 16 is disposed in a circumferential direction of the valve cover body 1 near the first connecting portion 2, the second annular groove 16 is located between the first connecting portion 2 and the second connecting portion 3, and a second sealing ring 17 is disposed in the second annular groove 16.
In this embodiment, the second ring groove 16 is used for installing a second sealing ring, and when the valve cover body 1 and the valve body 19 are connected together, that is, the first connecting portion 2 and the valve body 19 are connected together, the second sealing ring functions to seal the connection, so as to reduce the probability of leakage of gas in the valve body 19 from the connection.
In some implementations of this embodiment, the valve cover body 1 is provided with a mounting portion 18 near the second connecting portion 3, the mounting portion 18 is located on a side of the second connecting portion 3 away from the first connecting portion 2, and a cross section of the mounting portion 18 is regular hexagon.
In the present embodiment, the mounting portion 18 on the valve cover body 1 is designed to be of such a structure that the valve cover body 1 is mounted on the valve body 19 with a tool such as a wrench.
Working principle:
The valve cover body 1 and the sealing assembly are assembled, then the valve cover body 1 is arranged on the valve body 19, and then the matched actuating mechanism is connected with the valve cover body 1. When the gas in the valve body 19 needs to circulate, the actuating mechanism works, the movable iron core 8 is attracted by the static iron core in the actuating mechanism, so that the pull rod 7 is driven to pull the sealing membrane 5, the sealing membrane 5 overcomes the elasticity of the elastic resetting piece 6 and is separated from the gas outlet of the valve body 19, and the gas in the valve body 19 can circulate and then be conveyed to other places. When the valve body 19 needs to be closed in an emergency, the actuating mechanism does not work, the sealing diaphragm 5 is abutted with the air outlet of the valve body 19 under the action of the elastic reset piece 6, and is always in an abutted state with the air outlet of the valve body 19 under the action of elastic force, and the sealing diaphragm 5 can block the circulation of air in the valve body 19.
The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (10)
1. The utility model provides a sealed lid for small-size solenoid valve, its characterized in that, includes valve gap subassembly and sealing component, the valve gap subassembly includes valve gap body (1) and interval setting are in first connecting portion (2) and second connecting portion (3) in valve gap body (1) outside, valve gap body (1) are passed through first connecting portion (2) are connected with valve body (19), valve gap body (1) are passed through second connecting portion (3) are connected with supporting actuating mechanism that uses, first connecting portion (2) are screw structure, second connecting portion (3) are buckle formula structure, sealing component set up in valve gap body (1).
2. The sealing cover for a small electromagnetic valve according to claim 1, wherein the valve cover body (1) is provided with a first groove (4) near the end face of the first connecting portion (2), the sealing assembly comprises a sealing membrane (5), an elastic resetting piece (6), a pull rod (7) and a movable iron core (8), the pull rod (7) is arranged on the valve cover body (1) in a penetrating mode and is in sliding sealing connection with the valve cover body (1), one end of the pull rod (7) extends into the first groove (4), the free end of the pull rod extends out of the valve cover body (1), the sealing membrane (5) is located in the first groove (4) and is detachably connected with the pull rod (7), one end of the elastic resetting piece (6) is in butt joint with the sealing membrane (5), the other end of the elastic resetting piece (6) is in butt joint with the valve cover body (1), and the movable iron core (8) is detachably arranged at the free end of the pull rod (7).
3. A sealing cover for a small electromagnetic valve according to claim 2, characterized in that the end of the pull rod (7) close to the sealing membrane (5) is provided with a valve clack (9), and the sealing membrane (5) is detachably connected with the valve clack (9).
4. A sealing cover for a small electromagnetic valve according to claim 3, characterized in that a second groove (10) is formed in the end face, close to the sealing membrane (5), of the valve clack (9), one end, close to the sealing membrane (5), of the pull rod (7) stretches into the second groove (10), a plurality of limiting blocks (11) are uniformly arranged at intervals in the circumferential direction of the inner side wall of the second groove (10), the limiting blocks (11) and the valve clack (9) are integrally formed, and any limiting block (11) is abutted to the pull rod (7).
5. The sealing cover for a small electromagnetic valve according to claim 2, wherein a third groove (12) which is matched with the elastic restoring piece (6) is arranged in the valve cover body (1), an opening of the third groove (12) faces the first groove (4), the third groove (12) is communicated with the first groove (4), a central axis of the third groove (12) is collinear with a central axis of the first groove (4), and one end, away from the sealing membrane (5), of the elastic restoring piece (6) is abutted against an inner bottom of the third groove (12).
6. The sealing cover for a small electromagnetic valve according to claim 5, characterized in that a through hole (13) matched with the pull rod (7) is arranged in the valve cover body (1), the through hole (13) is communicated with the third groove (12), the central axis of the through hole (13) is collinear with the central axis of the third groove (12), and the pull rod (7) is arranged in the through hole (13) in a sliding sealing manner.
7. The sealing cover for a small electromagnetic valve according to claim 6, characterized in that a sealing mechanism is arranged between the pull rod (7) and the valve cover body (1), the sealing mechanism comprises at least one first sealing ring (14), a first annular groove (15) matched with the first sealing ring (14) is arranged in the middle of the pull rod (7), the first sealing ring (14) is arranged in the first annular groove (15), and the first sealing ring (14) is abutted with the inner side wall of the through hole (13).
8. A sealing cover for a small electromagnetic valve according to claim 7, characterized in that the first sealing ring (14) is an O-ring.
9. The sealing cover for a small electromagnetic valve according to claim 1, wherein the valve cover body (1) is of a column structure, the first connecting portion (2) and the second connecting portion (3) are respectively located at two ends of the valve cover body (1), a second annular groove (16) is arranged in the circumferential direction of the valve cover body (1) close to the first connecting portion (2), the second annular groove (16) is located between the first connecting portion (2) and the second connecting portion (3), and a second sealing ring (17) is arranged in the second annular groove (16).
10. A sealing cover for a small-sized electromagnetic valve according to claim 9, characterized in that the valve cover body (1) is provided with a mounting portion (18) near the second connecting portion (3), the mounting portion (18) is located at one side of the second connecting portion (3) far from the first connecting portion (2), and the cross section of the mounting portion (18) is regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323171784.8U CN221257829U (en) | 2023-11-23 | 2023-11-23 | Sealing cover for small electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323171784.8U CN221257829U (en) | 2023-11-23 | 2023-11-23 | Sealing cover for small electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221257829U true CN221257829U (en) | 2024-07-02 |
Family
ID=91655262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323171784.8U Active CN221257829U (en) | 2023-11-23 | 2023-11-23 | Sealing cover for small electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221257829U (en) |
-
2023
- 2023-11-23 CN CN202323171784.8U patent/CN221257829U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |