CN220102214U - Butterfly valve capable of preventing freezing - Google Patents
Butterfly valve capable of preventing freezing Download PDFInfo
- Publication number
- CN220102214U CN220102214U CN202321195050.0U CN202321195050U CN220102214U CN 220102214 U CN220102214 U CN 220102214U CN 202321195050 U CN202321195050 U CN 202321195050U CN 220102214 U CN220102214 U CN 220102214U
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- Prior art keywords
- valve
- annular
- liquid storage
- liquid
- antifreeze
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- 238000007710 freezing Methods 0.000 title description 6
- 230000008014 freezing Effects 0.000 title description 6
- 239000007788 liquid Substances 0.000 claims abstract description 94
- 230000002528 anti-freeze Effects 0.000 claims abstract description 20
- 208000001034 Frostbite Diseases 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 239000002826 coolant Substances 0.000 abstract description 11
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 241000510032 Ellipsaria lineolata Species 0.000 description 18
- 238000009434 installation Methods 0.000 description 7
- 239000000110 cooling liquid Substances 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model relates to the technical field of butterfly valves, and discloses an antifreezing butterfly valve which comprises a valve body, wherein a valve rod is arranged above the valve body, a valve blade is arranged in the valve body, and an antifreezing mechanism is arranged in the valve blade. This butterfly valve that can prevent frostbite, annotate the liquid mouth through setting up, the cooperation of sealed lid is to annular liquid storage intracavity portion filling coolant liquid, when outside temperature reduces and leads to the steam in the valve blade outside to freeze, temperature sensor can be when the temperature reduces to the default, outwards connect the power transmission signal and produce heat to annular resistance wire circular telegram, thereby heat antifreeze, antifreeze after the heating can heat the valve blade is whole, realize the absorption exchange of heat energy, avoid the steam in the air to freeze and lead to the valve blade unable opening, annular logical groove and the elastic rubber board that set up simultaneously offset the pressure that coolant liquid heating expansion produced, avoid the liquid constantly to extrude the life that influences the valve blade to the valve blade inner wall.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to an antifreezing butterfly valve.
Background
The air shaft is a shaft specially used for ventilation of a mine, a fan is generally arranged for exhausting in order to exhaust the polluted air, and a shaft for entering fresh air is an air inlet shaft; the well of exhaust dirty wind is the air-out well, and the air-out well number that every well field set up is related to ventilation system and the air-out well arrangement mode that adopts, and every ventilation system has an air inlet well and an air-out well at least, and main ventilation fan wind channel can select to realize separating with the air inlet well through the butterfly valve.
According to the butterfly valve (publication number: CN 217713677U) for preventing the offset of the sealing rubber ring, the sealing property of the butterfly valve body after installation can be improved through the design of the sealing gasket and the sealing piece in the application, the first installation flange and the second installation flange are respectively provided with an installation hole, one side of the first installation flange and the second installation flange, which is far away from the butterfly valve body, is provided with a sealing groove for installing the sealing gasket, and the sealing groove and the installation holes are arranged at intervals, so that the butterfly valve body is convenient to install.
However, in the actual use process of the equipment, the return air contains a large amount of water vapor, the temperature in winter is below zero, and after the water vapor is gathered and frozen on the outer sides of the butterfly leaves, the butterfly leaves are frozen and cannot be opened, so that the butterfly valve cannot be normally opened and closed, and the reverse operation of the main ventilator is seriously influenced; in view of this, we propose a butterfly valve that can prevent freezing.
Disclosure of Invention
The utility model aims to provide an antifreezing butterfly valve, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a butterfly valve that can prevent frostbite, includes the valve body, the top of valve body is provided with the valve rod, the inside of valve body is provided with the valve leaf, the inside of valve leaf is provided with the mechanism that prevents frostbite, the mechanism that prevents frostbite includes:
the annular liquid storage cavity is formed in the valve blade, an annular resistance wire is fixedly arranged in the annular liquid storage cavity, the annular resistance wire can generate heat when the annular resistance wire is electrified, the upper end of the surface of the left inner wall of the annular liquid storage cavity is provided with a liquid injection port, the inside of the liquid injection port is in threaded connection with a sealing cover, cooling liquid can be filled into the annular liquid storage cavity through the liquid injection port, and the sealing cover can seal the liquid injection port;
the temperature sensor is fixedly arranged at the lower end of the left inner wall surface of the annular liquid storage cavity and can monitor the temperature of the cooling liquid;
the annular through groove is formed in the right inner wall surface of the annular liquid storage cavity, an elastic rubber plate is fixedly arranged in the annular through groove, and when the pressure of the annular liquid storage cavity is overlarge, the pressure is released in a mode of extruding the elastic rubber plate;
the through hole is formed in the bottom surface of the valve body, and the support column is rotatably arranged in the through hole.
Preferably, the upper surface of the support column is fixedly connected with the bottom surface of the valve blade.
Preferably, the outer wall of the elastic rubber plate is mutually attached to the inner part of the annular through groove.
Preferably, the bottom of valve body is provided with the liquid storage box, the upper surface front end fixed mounting of liquid storage box has the drain pipe, the upper surface rear end fixed mounting of liquid storage box has the feed liquor pipe, the leakage fluid dram has been seted up to the right side surface of liquid storage box, can discharge the change to the coolant liquid through the leakage fluid dram.
Preferably, a water pump is fixedly arranged on the outer side of the liquid outlet pipe.
Preferably, the top ends of the liquid inlet pipe and the liquid outlet pipe penetrate through the bottom surface of the support column and the bottom surface of the valve blade.
Compared with the prior art, the utility model provides the antifreezing butterfly valve, which has the following beneficial effects:
1. this butterfly valve that can prevent frostbite, can be to annular stock solution intracavity portion filling coolant liquid through the cooperation of annotating liquid mouth, sealed lid that set up, when outside temperature reduces and leads to the steam in the valve blade outside to freeze, temperature sensor can be when the temperature reduces to the default, outwards connect the power transmission signal and produce heat to annular resistance wire circular telegram, thereby heat antifreeze, antifreeze after the heating can heat the valve blade is whole, realize the absorption exchange of heat energy, avoid the steam in the air to freeze, lead to the valve blade unable opening, annular logical groove and the elastic rubber board that set up simultaneously can offset the pressure that coolant liquid heating expansion produced, avoid the liquid constantly to extrude the life that influences the valve blade to the valve blade inner wall.
2. This butterfly valve that can prevent frostbite makes the inside coolant liquid of annular stock solution intracavity be in flowing state all the time through the cooperation of drain pipe, feed liquor pipe, water pump and the stock solution box that sets up, avoids appearing because external steam concentrates in one and leads to the condition that temperature sensor can't carry out accurate monitoring.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the present utility model in front cross section;
FIG. 3 is a schematic diagram of the structure of the present utility model at A;
FIG. 4 is a schematic diagram of the structure of the present utility model at B;
fig. 5 is a schematic structural diagram of the present utility model at C.
In the figure: 1. a valve body; 2. a valve stem; 3. a valve blade; 4. an antifreezing mechanism; 401. an annular liquid storage cavity; 402. a circular resistance wire; 403. a liquid injection port; 404. sealing cover; 405. a temperature sensor; 406. an annular through groove; 407. an elastic rubber plate; 408. a through hole; 409. a support column; 410. a liquid storage box; 411. a liquid outlet pipe; 412. a liquid inlet pipe; 413. a water pump; 414. and a liquid outlet.
Detailed Description
As shown in fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a butterfly valve that can prevent frostbite, includes valve body 1, and the top of valve body 1 is provided with valve rod 2, and the inside of valve body 1 is provided with valve leaf 3, and the top fixed connection of upper surface and valve leaf 3 that the bottom of valve rod 2 runs through valve body 1 can drive valve leaf 3 when valve rod 2 rotates and rotate the realization and open and shut to valve body 1 inside, and the inside of valve leaf 3 is provided with mechanism 4 prevents frostbite.
The antifreeze mechanism 4 includes: annular liquid storage cavity 401, temperature sensor 405, annular logical groove 406 and through-hole 408, annular liquid storage cavity 401 is seted up in the inside of valve leaf 3, annular resistance wire 402 is fixed to the inside of annular liquid storage cavity 401, can set up external power cord in the outside of valve body 1 and run through valve rod 2 and carry out electrical connection with annular resistance wire 402, it can make annular resistance wire 402 produce heat to pass through annular resistance wire 402, annotate liquid mouth 403 has been seted up to annular liquid storage cavity 401's left side inner wall surface upper end, the accessible annotates liquid mouth 403 and annotates the antifreeze liquid to annular liquid storage cavity 401 inside threaded connection has sealed lid 404, seal through the sealed lid 404 of setting and avoid leaking the liquid, can heat antifreeze liquid when annular resistance wire 402 circular telegram produces the heat, the antifreeze liquid after the heating can heat valve leaf 3 wholly, realize the absorption exchange of heat energy, avoid freezing in the air, lead to valve leaf 3 unable opening.
Temperature sensor 405 fixed mounting is in the left side inner wall surface lower extreme of annular liquid storage cavity 401, temperature sensor 405 can detect the temperature of antifreeze, when external environment temperature is too low and leads to antifreeze temperature to reduce to predetermineeing the value, can outwards connect the power cord transmission signal and carry out the circular resistance wire 402 and switch on, and then heat antifreeze, annular through groove 406 is offered on the right side inner wall surface of annular liquid storage cavity 401, annular through groove 406's inside fixed mounting has elastic rubber plate 407, volume can advance the inflation after antifreeze is heated and lead to annular liquid storage cavity 401 internal pressure increase, liquid constantly extrudees the valve leaf 3 inner wall and can influence the life of valve leaf 3, make the inside pressure of annular liquid storage cavity 401 extrude elastic rubber plate 407 after the increase through setting up elastic rubber plate 407 and make elastic rubber plate 407 take place the deformation and release pressure, alleviate the extrusion force that valve leaf 3 inner wall receives, the life of valve leaf 3, the outer wall of elastic rubber plate 407 and the inside of annular through groove 406 laminating each other.
The through hole 408 is formed in the bottom surface of the valve body 1, the supporting column 409 is installed in the through hole 408 in a rotating mode, the upper surface of the supporting column 409 is fixedly connected with the bottom surface of the valve blade 3, and the liquid storage box 410, the water pump 413, the liquid inlet pipe 412 and the liquid outlet pipe 411 which are arranged at the bottom of the valve body 1 can be further rotated along with the valve blade 3 through the arranged supporting column 409 and the through hole 408, so that the influence on the rotation of the valve blade 3 is avoided.
The bottom of valve body 1 is provided with liquid storage box 410, the upper surface front end fixed mounting of liquid storage box 410 has drain pipe 411, the outside fixed mounting of drain pipe 411 has water pump 413, the upper surface rear end fixed mounting of liquid storage box 410 has feed liquor pipe 412, the top of feed liquor pipe 412 and drain pipe 411 all runs through in the bottom surface of support column 409 and the bottom surface of valve leaf 3, the inside coolant liquid accessible feed liquor pipe 412 of injection of annular liquid storage cavity 401 gets into liquid storage box 410, start water pump 413 can draw back the inside coolant liquid of entering liquid storage box 410 annular liquid storage cavity 401 and circulate, make the inside coolant liquid of annular liquid storage cavity 401 keep flowing, make the temperature of coolant liquid keep unanimous, avoid appearing the too much condition that leads to the coolant liquid temperature of unilateral to reduce and temperature sensor 405 can't carry out accurate detection, drain outlet 414 has been seted up to the right side surface of liquid storage box 410, the outside fixed mounting of drain outlet 414 has the check valve, the outside fixed mounting of drain outlet 414, the cooperation of drain outlet and check valve.
In the utility model, when the temperature is reduced and a large amount of water vapor is contained in the air, the water vapor is frozen at the outer side of the valve blade 3, the valve blade 3 is frozen and cannot be used, at the moment, the temperature of the cooling liquid can be further reduced along with the external temperature, when the temperature sensor 405 detects that the temperature of the cooling liquid is reduced to the preset temperature which can lead to the freezing of the external water vapor, a power transmission signal is externally connected to energize the annular resistance wire 402 to generate heat, thereby heating the antifreeze liquid, the heated antifreeze liquid can heat the whole valve blade 3, so that the absorption exchange of heat energy is realized, the water vapor in the air is prevented from freezing, the valve blade 3 cannot be opened, the volume of the antifreeze liquid after being heated can be expanded to lead to the increase of the internal pressure of the annular liquid storage cavity 401, the pressure can be extruded to lead the elastic rubber plate 407 to deform to release the pressure after the increase, the extrusion force born by the inner wall of the valve blade 3 is lightened, the service life of the valve blade 3 is prolonged, the water pump 413 is in a starting state, the cooling liquid inside the annular liquid storage cavity 401 is kept flowing through the cooperation of the liquid inlet pipe 412, the liquid outlet pipe 411 and the liquid storage box 410, and the temperature inside the annular liquid storage cavity 401 is kept to be consistent, and the condition that the water vapor cannot flow in the condition of monitoring is prevented from being caused by the condition that the ordinary temperature is concentrated because the temperature is monitored.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a butterfly valve that can prevent frostbite, includes valve body (1), the top of valve body (1) is provided with valve rod (2), the inside of valve body (1) is provided with valve leaf (3), its characterized in that: an antifreezing mechanism (4) is arranged in the valve blade (3), and the antifreezing mechanism (4) comprises:
the annular liquid storage cavity (401), the annular liquid storage cavity (401) is arranged in the valve blade (3), an annular resistance wire (402) is fixedly arranged in the annular liquid storage cavity (401), a liquid injection port (403) is arranged at the upper end of the surface of the left inner wall of the annular liquid storage cavity (401), and a sealing cover (404) is connected with the inner thread of the liquid injection port (403);
a temperature sensor (405), the temperature sensor (405) being fixedly installed at the lower end of the left inner wall surface of the annular liquid storage cavity (401);
the annular through groove (406), the annular through groove (406) is arranged on the right inner wall surface of the annular liquid storage cavity (401), and an elastic rubber plate (407) is fixedly arranged in the annular through groove (406);
the through hole (408), the bottom surface at valve body (1) is seted up in through hole (408), the inside rotation of through hole (408) is installed support column (409).
2. The antifreeze butterfly valve according to claim 1, wherein: the upper surface of support column (409) is connected with the bottom surface fixed of valve leaf (3).
3. The antifreeze butterfly valve according to claim 1, wherein: the outer wall of the elastic rubber plate (407) is mutually attached to the inner part of the annular through groove (406).
4. The antifreeze butterfly valve according to claim 1, wherein: the bottom of valve body (1) is provided with liquid storage box (410), liquid outlet pipe (411) are fixed firmly in upper surface front end of liquid storage box (410), upper surface rear end of liquid storage box (410) is fixed firmly in feed liquor pipe (412), liquid outlet (414) have been seted up on the right side surface of liquid storage box (410).
5. The antifreeze butterfly valve according to claim 4, wherein: and a water pump (413) is fixedly arranged on the outer side of the liquid outlet pipe (411).
6. The antifreeze butterfly valve according to claim 4, wherein: the top ends of the liquid inlet pipe (412) and the liquid outlet pipe (411) penetrate through the bottom surface of the support column (409) and the bottom surface of the valve blade (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321195050.0U CN220102214U (en) | 2023-05-17 | 2023-05-17 | Butterfly valve capable of preventing freezing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321195050.0U CN220102214U (en) | 2023-05-17 | 2023-05-17 | Butterfly valve capable of preventing freezing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220102214U true CN220102214U (en) | 2023-11-28 |
Family
ID=88841619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321195050.0U Active CN220102214U (en) | 2023-05-17 | 2023-05-17 | Butterfly valve capable of preventing freezing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220102214U (en) |
-
2023
- 2023-05-17 CN CN202321195050.0U patent/CN220102214U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |