CN219975403U - Adjusting valve for water supply - Google Patents
Adjusting valve for water supply Download PDFInfo
- Publication number
- CN219975403U CN219975403U CN202320564037.1U CN202320564037U CN219975403U CN 219975403 U CN219975403 U CN 219975403U CN 202320564037 U CN202320564037 U CN 202320564037U CN 219975403 U CN219975403 U CN 219975403U
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- Prior art keywords
- valve
- seat
- valve rod
- valve body
- membrane
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 239000012528 membrane Substances 0.000 claims description 55
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 239000012530 fluid Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002457 bidirectional effect Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model provides a water supply regulator valve, includes valve body, upper valve seat, lower disk seat, valve rod, case and pneumatic mechanism, the both ends of valve body set up the flange respectively, the upper portion screw thread of valve body is joined in marriage the upper valve seat, the fixed lower disk seat of joining in marriage of bottom of valve body, the pneumatic mechanism is joined in marriage to the upper portion of upper valve seat, the inside bi-directional disk seat that sets up of valve rod, the valve rod top is joined in marriage in pneumatic mechanism, and the valve rod passes upper valve seat, valve body and bi-directional disk seat downwards in proper order, the bottom and the lower disk seat of valve rod are joined in marriage to the bottom of valve rod, drive the valve rod through pneumatic mechanism and drive the case and reciprocate, can make the fluid shunt when reaching bi-directional disk seat, the effort of fluid effect upper valve core and lower case is evenly balanced from top to bottom, can not cause upper portion or lower part atress too big, has guaranteed that the valve body can not appear accidents such as rupture; and secondly, the piston and the valve rod synchronously move, so that the sealing effect can be ensured after the sealing ring fails while dynamic balance is maintained.
Description
Technical field:
the utility model relates to the field of water supply valve bodies, in particular to a regulating valve for water supply.
The background technology is as follows:
in the field of industrial automation process control, the regulating valve is also called a control valve, and a final control element for changing process parameters such as medium flow, pressure, temperature, liquid level and the like by power operation is realized by receiving a control signal output by a regulating control unit. Typically consisting of an actuator and a valve. If the stroke characteristics are adopted, the regulating valve can be divided into a straight stroke and an angular stroke; the power used by the execution mechanism can be divided into three types of pneumatic regulating valves, electric regulating valves and hydraulic regulating valves.
The valve body commonly used in the water supply engineering at present is mainly a butterfly valve and a ball valve, the butterfly valve is a valve which uses a disc type opening and closing piece to reciprocate by about 90 degrees to open, close and adjust a fluid channel, and the valve is not suitable for a high-temperature and high-pressure pipeline system due to the limitation of the structure and sealing materials of the butterfly valve. The ball valve is opened and closed by rotating the ball by 90 degrees around the axis of the valve rod, and when the sealing material of the ball valve is hardened, the reliability of the sealing is damaged. For a water supply network, the flow rate of liquid in a valve body is high, the pressure is high, the requirements on sealing and reliability are relatively high, but the inside of a currently used butterfly valve and ball valve are basically provided with a single valve seat and a single valve core, and the valve body is easy to damage under the action of high-pressure fluid and easy to leak.
The utility model comprises the following steps:
the utility model aims to solve the problems that the sealing performance of the valve body of the existing water supply network is easy to damage and leakage is caused by the action of high-pressure fluid, and provides the water regulating valve.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a governing valve for water supply, includes valve body, goes up disk seat, lower disk seat, valve rod, case and pneumatic mechanism, the both ends of valve body set up the flange respectively, the disk seat is gone up in the upper portion screw thread assembly of valve body, the disk seat is gone up in the fixed assembly of bottom of valve body, the pneumatic mechanism is joined in marriage to the upper portion of going up the disk seat, the inside two-way disk seat that sets up of valve body, the valve rod top is joined in marriage and is adorned in pneumatic mechanism, just the valve rod passes disk seat, valve body and two-way disk seat downwards in proper order, the bottom and the lower disk seat of valve rod are joined in marriage and are adorned.
Preferably, the valve core is divided into an upper valve core and a lower valve core, the surfaces of the valve core and the lower valve core are high-density antirust layers, the upper valve core and the lower valve core are matched with a bidirectional valve seat, fluid can be split when reaching the bidirectional valve seat through the upper valve core and the lower valve core, the valve rod operates the upper valve core and the lower valve core to open and close, the acting force of the fluid acting on the upper valve core and the lower valve core is balanced uniformly, the upper part or the lower part is not stressed too much locally, and the valve is suitable for being used as a valve body of a high-pressure water supply network.
Preferably, the pneumatic mechanism comprises an upper membrane cover, a lower membrane cover, membranes, a membrane disc, a conical sealing block and an air pump, wherein the lower membrane cover is assembled on the upper portion of the upper valve seat, the lower membrane cover and the upper membrane cover are connected through a plurality of bolts, the membranes are assembled between the upper membrane cover and the lower membrane cover respectively, the membranes on two sides are connected with the membrane disc respectively, the bottom of the membrane disc is fixedly connected with the top of the valve rod, and the air pump stretches into the space between the upper membrane cover and the membrane disc through a pipeline. Through this technical scheme has replaced traditional manual operation, utilizes the air pump to admit air and exhaust for the membrane dish drives the valve rod from top to bottom and moves, and the operation is more convenient.
Preferably, a sealing ring is further arranged inside the top end of the valve body, the sealing ring is movably assembled with the valve rod, and the sealing ring is inlaid inside the top end of the valve body and mainly seals the valve body.
Preferably, a piston is arranged in the upper valve seat, the piston is fixedly assembled with the valve rod, and the piston and the valve rod synchronously move, so that the main purpose is to keep dynamic balance, and then the sealing function is realized after the sealing ring fails.
Preferably, a fixed seat is arranged in the lower valve seat, a spring is assembled on the fixed seat, the upper part of the spring is connected with the lower valve core, and the action of the spring mainly provides attack force to ensure the valve core to be tightly closed.
In summary, the utility model has the following beneficial effects:
according to the utility model, the bidirectional valve seat is arranged in the valve body, the valve rod is driven by the pneumatic mechanism to drive the upper valve core and the lower valve core to move up and down with the bidirectional valve seat, so that fluid can be split when reaching the bidirectional valve seat, the acting force of the fluid acting on the upper valve core and the lower valve core is balanced up and down uniformly, the upper part or the lower part of the valve body cannot be stressed excessively, accidents such as cracking and the like of the valve body are avoided, and the service life is prolonged; secondly, the piston and the valve rod synchronously move, so that the dynamic balance is kept, the valve rod cannot swing left and right to damage an upper valve seat, and a sealing effect is achieved after the sealing ring fails.
Description of the drawings:
FIG. 1 is a schematic view of a three-dimensional structure of a regulating valve for water supply;
FIG. 2 is a schematic top view of a water supply regulator valve;
FIG. 3 is a schematic cross-sectional view of an opening operation of a regulating valve for water supply;
FIG. 4 is a schematic cross-sectional view of a closing operation of a regulator valve for water supply;
in the figure: the valve comprises a valve body 1, an upper valve seat 2, a lower valve seat 3, a valve rod 4, a valve core 5, a pneumatic mechanism 6, a flange 7, a bidirectional valve seat 8, an upper valve core 50, a lower valve core 51, an upper membrane cover 60, a lower membrane cover 61, a membrane 62, a membrane disc 63, a conical sealing block 64, an air pump 65, a sealing ring 9, a piston 10, a fixed seat 11 and a spring 12.
The specific embodiment is as follows:
the following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the 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.
Example 1:
referring to fig. 1-3, the regulating valve for water supply comprises a valve body 1, an upper valve seat 2, a lower valve seat 3, a valve rod 4, a valve core 5 and a pneumatic mechanism 6, wherein flanges 7 are respectively arranged at two ends of the valve body 1, the upper valve seat 2 is assembled on the upper thread of the valve body 1, the lower valve seat 3 is fixedly assembled on the bottom of the valve body 1, the pneumatic mechanism 6 is assembled on the upper part of the upper valve seat 2, a bidirectional valve seat 8 is arranged in the valve body 1, the top of the valve rod 4 is assembled in the pneumatic mechanism 6, the valve rod 4 sequentially penetrates through the upper valve seat 2, the valve body 1 and the bidirectional valve seat 8 downwards, and the bottom of the valve rod 4 is assembled with the lower valve seat 3.
The valve core 5 is divided into an upper valve core 50 and a lower valve core 51, the surfaces of the upper valve core 50 and the lower valve core 51 are high-density antirust layers, and the upper valve core 50 and the lower valve core 51 are matched with the bidirectional valve seat 8.
The pneumatic mechanism 6 comprises an upper membrane cover 60, a lower membrane cover 61, a membrane 62, a membrane disc 63, a conical sealing block 64 and an air pump 65, wherein the lower membrane cover 61 is assembled on the upper portion of the upper valve seat 2, the lower membrane cover 61 and the upper membrane cover 60 are connected through a plurality of bolts, the membrane 62 is assembled on two sides inside the upper membrane cover 60 and the lower membrane cover 61 respectively, the membrane 62 on two sides is connected with the membrane disc 63 respectively, the bottom of the membrane disc 63 is fixedly connected with the top of the valve rod 4, the air pump 65 extends into the space between the upper membrane cover 60 and the membrane disc 63 through a pipeline, and the conical sealing block 64 is installed in the lower membrane cover 61 and is in contact with the valve rod 4. And (3) an air inlet process: firstly, the air pump 65 fills the air between the upper membrane cover 60 and the membrane disc 63 under the action of the external controller, at this time, the membrane disc 63 moves downwards, the valve core 5 is driven to be separated from the bidirectional valve seat 8 in the moving process, at this time, the fluid flows out to the opening at a high speed, and finally, the fluid is gathered together, and the stress of the upper valve core 50 and the lower valve core 51 is uniform in the process.
The inside sealing washer 9 that still sets up in valve body 1 top, sealing washer 9 and valve rod 4 activity are joined in marriage and are installed.
The piston 10 is arranged in the upper valve seat 2, the piston 10 is fixedly assembled with the valve rod 4, the main purpose of the piston 10 is to keep dynamic balance, the valve rod 4 is prevented from moving left and right to cause damage to the inner wall, and the sealing ring 9 plays a sealing role after failure.
Preferably, a fixed seat 11 is disposed in the lower valve seat 3, a spring 12 is sleeved on the fixed seat 11, and an upper portion of the spring 12 is connected with the lower valve core 51.
Example 2:
referring to fig. 4, the exhaust process: firstly, the air pump 65 vacuumizes the upper membrane cover 60 and the membrane disc 63 under the action of the external controller, at this time, the membrane disc 63 drives the valve core 5 to approach the bidirectional valve seat 8 under the reaction force of the spring 12 until the upper valve core 50, the lower valve core 51 and the bidirectional valve seat 8 are completely matched, and at this time, the fluid stops flowing.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a governing valve for water supply, includes valve body (1), goes up disk seat (2), lower disk seat (3), valve rod (4), case (5) and pneumatic mechanism (6), its characterized in that: the valve is characterized in that flanges (7) are respectively arranged at two ends of the valve body (1), an upper valve seat (2) is assembled on the upper portion of the valve body (1) through threads, a lower valve seat (3) is fixedly assembled on the bottom of the valve body (1), a pneumatic mechanism (6) is assembled on the upper portion of the upper valve seat (2), a two-way valve seat (8) is arranged inside the valve body (1), the top of the valve rod (4) is assembled in the pneumatic mechanism (6), the valve rod (4) downwards sequentially penetrates through the upper valve seat (2), the valve body (1) and the two-way valve seat (8), the bottom of the valve rod (4) is assembled with the lower valve seat (3), the valve core (5) is divided into an upper valve core (50) and a lower valve core (51), the surfaces of the upper valve core (50) and the lower valve core (51) are high-density rust-proof layers, and the upper valve core (50) and the lower valve core (51) are matched with the two-way valve seat (8).
2. A water supply regulating valve as defined in claim 1, wherein: pneumatic mechanism (6) are including last membrane lid (60), lower membrane lid (61), diaphragm (62), membrane dish (63), toper sealing block (64) and air pump (65), lower membrane lid (61) are joined in marriage the upper portion at last disk seat (2), lower membrane lid (61) and go up membrane lid (60) and pass through a plurality of bolted connection, go up membrane lid (60) and lower membrane lid (61) inside both sides and join in marriage respectively and install diaphragm (62), both sides diaphragm (62) are connected with membrane dish (63) respectively, membrane dish (63) bottom and valve rod (4) top fixed connection, air pump (65) stretch into between upper membrane lid (60) and membrane dish (63) through the pipeline, toper sealing block (64) are installed in lower membrane lid (61) to contact with valve rod (4).
3. A water supply regulating valve as defined in claim 1, wherein: a sealing ring (9) is further arranged in the top end of the valve body (1), and the sealing ring (9) is movably assembled with the valve rod (4).
4. A water supply regulating valve as defined in claim 1, wherein: a piston (10) is arranged in the upper valve seat (2), and the piston (10) is fixedly assembled with the valve rod (4).
5. A water supply regulating valve as defined in claim 1, wherein: the inside of lower disk seat (3) sets up fixing base (11), set up spring (12) on fixing base (11), the upper portion and the lower case (51) of spring (12) are connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320564037.1U CN219975403U (en) | 2023-03-22 | 2023-03-22 | Adjusting valve for water supply |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320564037.1U CN219975403U (en) | 2023-03-22 | 2023-03-22 | Adjusting valve for water supply |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219975403U true CN219975403U (en) | 2023-11-07 |
Family
ID=88594809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202320564037.1U Active CN219975403U (en) | 2023-03-22 | 2023-03-22 | Adjusting valve for water supply |
Country Status (1)
Country | Link |
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CN (1) | CN219975403U (en) |
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2023
- 2023-03-22 CN CN202320564037.1U patent/CN219975403U/en active Active
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