CN115773403A - Control valve for preventing freezing - Google Patents
Control valve for preventing freezing Download PDFInfo
- Publication number
- CN115773403A CN115773403A CN202310096584.6A CN202310096584A CN115773403A CN 115773403 A CN115773403 A CN 115773403A CN 202310096584 A CN202310096584 A CN 202310096584A CN 115773403 A CN115773403 A CN 115773403A
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- valve body
- control valve
- wall
- fixed connection
- air inlet
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- 238000007710 freezing Methods 0.000 title claims abstract description 20
- 230000008014 freezing Effects 0.000 title claims description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims description 14
- 244000309464 bull Species 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 18
- 239000007788 liquid Substances 0.000 abstract description 15
- 239000000243 solution Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The invention discloses an anti-freezing control valve, which relates to the technical field of control valves and comprises a valve body, wherein an anti-freezing mechanism is arranged on the valve body and comprises an air inlet pipe, a baffle, a spring, a connector, an air pipe, a water outlet pipe and a sealing cover, the air inlet pipe is communicated with the top of the valve body, the baffle is hinged with the inner wall of the air inlet pipe, one end of the spring is fixedly connected with the inner wall of the air inlet pipe, the other end of the spring is hinged with the baffle, the connector is in threaded connection with the top of the air inlet pipe, the air pipe is fixedly connected with the inner wall of the connector, and the water outlet pipe is communicated with the bottom of the valve body. The anti-freezing valve is convenient for injecting steam into the valve body through the air inlet pipe, so that the interior of the valve body is convenient to heat, the anti-freezing effect is achieved, the air pipe is convenient to connect with the air inlet pipe through the connector, the one-way effect can be achieved through the spring and the baffle, and liquid in the valve body is prevented from leaking.
Description
Technical Field
The invention relates to the technical field of control valves, in particular to a control valve capable of preventing freezing.
Background
The Control valve (Control valve) is made up of two main components: valve body assemblies and actuator assemblies (or actuator systems) fall into four major families: single seat series control valve, double seat series control valve, sleeve series control valve and self-operated series control valve. Variations of the four types of valves may result in a myriad of different applicable configurations, each with its particular applications, features, advantages and disadvantages. Although some control valves have wider application working conditions than other valves, the control valves cannot be applied to all working conditions to jointly construct an optimal solution scheme for enhancing performance and reducing cost, and the valve bodies of the control valves are various, and commonly used valves comprise a straight-through single seat, a straight-through double seat, an angle shape, a diaphragm, a small flow rate, a tee joint, an eccentric rotation shape, a butterfly shape, a sleeve shape, a spherical shape and the like.
As the chinese patent publication No. CN204922019U, the technical solution disclosed in this patent document is as follows: a control valve comprises a body, a valve plug, an upper cover, a mandrel and a metal expansion bag. The body comprises a transverse inlet, a transverse outlet and a longitudinal opening, and the transverse inlet, the transverse outlet and the longitudinal opening are communicated with each other; the valve plug is transversely positioned in the body and slides along the longitudinal opening; the upper cover is transversely arranged on the body and correspondingly covers the longitudinal opening; the mandrel is longitudinally positioned on the body, one end of the mandrel is connected with the valve plug, and the other end of the mandrel is slidably arranged on the upper cover; the metal expansion bag is longitudinally positioned in the body and surrounds the mandrel, and two ends of the metal expansion bag are respectively connected with the valve plug and the upper cover.
However, in a medium pipeline which is easy to freeze at low temperature in a cold environment, the medium in the valve body is easy to freeze at low temperature, so that the ball cannot rotate, the valve is frozen and cannot be opened and closed.
Disclosure of Invention
The present invention provides a freeze-protected control valve to solve the problems set forth in the background art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a prevent frozen control valve, includes the valve body, be provided with anti-freezing mechanism on the valve body, anti-freezing mechanism includes intake pipe, baffle, spring, connector, trachea, outlet pipe, sealed lid, the intake pipe sets up with the top intercommunication of valve body, the baffle is articulated with the inner wall of intake pipe, the inner wall fixed connection of spring one end and intake pipe, and the other end of spring is articulated with the baffle, the top threaded connection of connector and intake pipe, the inner wall fixed connection of trachea and connector, the outlet pipe sets up with the bottom intercommunication of valve body, the bottom threaded connection of sealed lid and outlet pipe.
The technical scheme of the invention is further improved as follows: be provided with filtering mechanism on the valve body, filtering mechanism includes mounting groove, sealing washer, installation piece, filter screen, pull rod, draws piece, dog, the one end at the valve body is seted up to the mounting groove, the sealing washer sets up on the inner wall of mounting groove, installation piece and mounting groove threaded connection, filter screen fixed connection is on the inner wall of installation piece, the pull rod runs through filter screen and filter screen fixed connection, draw the one end fixed connection of piece and pull rod, and the other end fixed connection of dog and pull rod.
The technical scheme of the invention is further improved as follows: be provided with on the valve body and prevent stifled mechanism, prevent stifled mechanism includes bracing piece, bearing, bull stick, turbine, brush, bracing piece fixed connection is in the inner wall bottom of valve body, the outer loop fixed connection of bearing is at the top of bracing piece, the inner ring fixed connection of bull stick and bearing, turbine fixed connection is in the one end of bull stick, the other end fixed connection of brush and bull stick, and the brush contacts with one side of filter screen.
The technical scheme of the invention is further improved as follows: the ball-shaped valve is characterized in that a ball body is arranged inside the valve body, a slot is formed in the top of the ball body, a rotating handle is arranged on the valve body and penetrates through the top of the valve body, an inserting block is fixedly connected to the bottom of the rotating handle and is in sliding connection with the inner wall of the slot, and a knob is fixedly connected to the top of the rotating handle.
The technical scheme of the invention is further improved as follows: the quantity of baffle is two, two the baffle slope sets up, and the one end of two baffles is contradicted, adopts above-mentioned technical scheme, and this scheme is through contradicting two baffles, is in order to make two baffles can't upwards turn to avoid the liquid in the pipeline to discharge from the intake pipe.
The technical scheme of the invention is further improved as follows: the number of the filtering mechanisms is two, two the filtering mechanisms are respectively arranged at two ends of the valve body, and by adopting the technical scheme, the two filtering mechanisms are arranged, so that the two ends of the valve body are provided with filtering effects, and the valve body is more practical.
The technical scheme of the invention is further improved as follows: the bottom fixedly connected with backup pad of valve body, the bottom fixedly connected with bottom plate of backup pad adopts above-mentioned technical scheme, and this scheme is through setting up backup pad and bottom plate, is for the ease of supporting the valve body to be convenient for place the valve body.
The technical scheme of the invention is further improved as follows: the inner wall of sealed lid is provided with sealed the pad, and sealed the pad and contradict with the bottom of outlet pipe, adopts above-mentioned technical scheme, and this scheme is through setting up sealed the pad, is the sealed effect in order to improve the outlet pipe, avoids the liquid in the valve body to flow from the outlet pipe.
The technical scheme of the invention is further improved as follows: the inside of valve body is provided with the clamping ring, and clamping ring and spheroid contact adopt above-mentioned technical scheme, and this scheme is through setting up the clamping ring, is in order to improve spheroidal sealed effect.
The technical scheme of the invention is further improved as follows: the anti-skidding lines are arranged on the outer wall of the knob, and by adopting the technical scheme, the anti-skidding lines are arranged on the outer wall of the knob, so that the knob can rotate more stably.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
the invention provides an anti-freezing control valve, which is characterized in that a gas inlet pipe is arranged to facilitate steam injection into the valve body, so that the interior of the valve body can be heated, an anti-freezing effect is achieved, a connector is arranged to facilitate connection of a gas pipe and the gas inlet pipe, and a spring and a baffle are arranged to achieve a one-way effect, so that liquid in the valve body is prevented from leaking.
The invention provides a freezing-prevention control valve, which is convenient for filtering liquid entering the interior of a valve body by arranging a filter screen so as to avoid the internal blockage of the valve body, is convenient for installing or disassembling the filter screen by arranging an installing groove and an installing block, and can improve the sealing effect of the valve body by arranging a sealing ring.
The invention provides a control valve for preventing freezing, which can drive a turbine to rotate when liquid in a valve body flows through the turbine, so that a brush is driven to rotate under the action of a rotating rod, a filter screen is brushed, the filter screen is prevented from being blocked, the filtering effect is improved, and the filtering is more stable.
Drawings
FIG. 1 is a schematic diagram of a freeze protected control valve according to the present invention;
FIG. 2 is a side schematic view of a freeze protected control valve of the present invention;
FIG. 3 is a front cross-sectional view of a freeze protected control valve of the present invention;
FIG. 4 is a side cross-sectional view of a freeze protected control valve of the present invention;
FIG. 5 is an enlarged view at A of a freeze protected control valve of the present invention;
FIG. 6 is an enlarged view at B of a freeze prevention control valve of the present invention;
fig. 7 is an enlarged view of the control valve for preventing freezing according to the present invention at the point C.
In the figure: 1. a valve body; 2. an anti-freezing mechanism; 201. an air inlet pipe; 202. a baffle plate; 203. a spring; 204. a connector; 205. an air pipe; 206. a water outlet pipe; 207. a sealing cover; 3. a filtering mechanism; 301. mounting grooves; 302. a seal ring; 303. mounting blocks; 304. a filter screen; 305. a pull rod; 306. pulling the block; 307. a stopper; 4. an anti-blocking mechanism; 401. a support bar; 402. a bearing; 403. a rotating rod; 404. a turbine; 405. a brush; 5. a sphere; 6. inserting slots; 7. turning a handle; 8. inserting a block; 9. a knob.
Description of the preferred embodiment
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples
As shown in fig. 1-7, the invention provides a control valve for preventing freezing, comprising a valve body 1, an anti-freezing mechanism 2 is arranged on the valve body 1, the anti-freezing mechanism 2 comprises an air inlet pipe 201, two baffles 202, a spring 203, a connector 204, an air pipe 205, an outlet pipe 206, and a sealing cover 207, the air inlet pipe 201 is communicated with the top of the valve body 1, the baffles 202 are hinged with the inner wall of the air inlet pipe 201, the number of the baffles 202 is two, the two baffles 202 are obliquely arranged, and one end of the two baffles 202 are abutted, so that the two baffles 202 cannot be turned upwards by abutting, thereby preventing liquid in a pipeline from being discharged from the air inlet pipe 201, one end of the spring 203 is fixedly connected with the inner wall of the air inlet pipe 201, and the other end of the spring 203 is hinged with the baffles 202, the connector 204 is in threaded connection with the top of the air inlet pipe 201, the air pipe 205 is fixedly connected with the inner wall of the connector 204, the outlet pipe 206 is communicated with the bottom of the valve body 1, the sealing cover 207 is in threaded connection with the bottom of the outlet pipe 206, the sealing gasket is arranged, the sealing effect is improved, the sealing effect of the valve body 206 is prevented from being connected with a rotary knob 7, a rotary knob 7 is arranged on the bottom of a rotary knob 7 fixed on the top of a rotary knob, a rotary knob 7 is arranged on the top of the rotary knob, the rotary knob 7, the rotary knob 7 is arranged on the rotary knob, the rotary knob 7 fixed support plate 7, through setting up backup pad and bottom plate, be for the sake of convenience supporting valve body 1 to be convenient for place valve body 1, the inside of valve body 1 is provided with the clamping ring, and clamping ring and 5 contacts of spheroid, through setting up the clamping ring, is in order to improve 5 sealed effects of spheroid.
In this embodiment, be convenient for inject steam into the inside of valve body 1 through setting up intake pipe 201 to be convenient for heat the inside of valve body 1, thereby reach frost-proof effect, be convenient for be connected trachea 205 and intake pipe 201 through setting up connector 204, can reach one-way effect through setting up spring 203 and baffle 202, avoid the inside liquid of valve body 1 to reveal.
Examples
As shown in fig. 1 to 7, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the valve body 1 is provided with the filter mechanism 3, the filter mechanism 3 includes a mounting groove 301, a seal ring 302, a mounting block 303, a filter screen 304, a pull rod 305, a pull block 306, a stop block 307, the mounting groove 301 is provided at one end of the valve body 1, the seal ring 302 is provided on the inner wall of the mounting groove 301, the mounting block 303 is in threaded connection with the mounting groove 301, the filter screen 304 is fixedly connected to the inner wall of the mounting block 303, the pull rod 305 penetrates through the filter screen 304 and is fixedly connected with the filter screen 304, the pull block 306 is fixedly connected with one end of the pull rod 305, the stop block 307 is fixedly connected with the other end of the pull rod 305, the two filter mechanisms 3 are provided, the two filter mechanisms 3 are respectively provided at two ends of the valve body 1, and by providing the two filter mechanisms 3, the two ends of the valve body 1 have a filter effect, so that the valve body 1 is more practical.
In this embodiment, be convenient for filter the inside liquid that gets into valve body 1 through setting up filter screen 304 to avoid valve body 1's inside to block up, be convenient for install or dismantle filter screen 304 through setting up mounting groove 301 and installation piece 303, can improve valve body 1's sealed effect through setting up sealing washer 302.
Examples
As shown in fig. 1 to 7, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the valve body 1 is provided with the anti-blocking mechanism 4, the anti-blocking mechanism 4 comprises a support rod 401, a bearing 402, a rotating rod 403, a turbine 404 and a brush 405, the support rod 401 is fixedly connected to the bottom of the inner wall of the valve body 1, an outer ring of the bearing 402 is fixedly connected to the top of the support rod 401, the rotating rod 403 is fixedly connected to an inner ring of the bearing 402, the turbine 404 is fixedly connected to one end of the rotating rod 403, the brush 405 is fixedly connected to the other end of the rotating rod 403, and the brush 405 is in contact with one side of the filter screen 304.
In this embodiment, can drive turbine 404 when the inside liquid of valve body 1 flows and rotate through setting up turbine 404 to drive brush 405 under the effect of bull stick 403 and rotate, brush the filter screen 304, avoid filter screen 304 to block up, thereby improve the filter effect, make and filter more stably.
The working principle of a freeze-protected control valve is explained in detail below.
As shown in fig. 1 to 7, the sealing ring 302 is placed in the mounting groove 301, the pull block 306 is rotated to make the pull block 306 perform circular motion around the center of the filter screen 304, the pull rod 305 is driven to perform circular motion, the filter screen 304 is driven to rotate, the mounting block 303 is in threaded connection with the mounting groove 301, when the valve body 1 works, liquid entering the interior of the valve body 1 is filtered through the filter screen 304, the liquid flows inside the valve body 1 to drive the turbine 404 to rotate, the rotating rod 403 is driven to rotate, the rotating rod 403 rotates to drive the brush 405 to rotate, the filter screen 304 is brushed through the brush 405, when the liquid in the valve body 1 is frozen, the air pipe 205 is in threaded connection with the air inlet pipe 201 through the connector 204, steam is injected into the interior of the valve body 1 through the air pipe 205, the baffle 202 is propped open by the steam, the frozen liquid is heated, the thawed liquid can be discharged from the water outlet pipe 206 by opening the sealing cover 207, and is convenient for subsequent use.
Claims (10)
1. A control valve for preventing freezing, comprising a valve body (1), characterized in that: the valve body (1) is provided with an anti-freezing mechanism (2), and the anti-freezing mechanism (2) comprises an air inlet pipe (201), a baffle plate (202), a spring (203), a connector (204), an air pipe (205), a water outlet pipe (206) and a sealing cover (207);
the air inlet pipe (201) is communicated with the top of the valve body (1), the baffle plate (202) is hinged to the inner wall of the air inlet pipe (201), one end of the spring (203) is fixedly connected with the inner wall of the air inlet pipe (201), the other end of the spring (203) is hinged to the baffle plate (202), the connector (204) is in threaded connection with the top of the air inlet pipe (201), and the air pipe (205) is fixedly connected with the inner wall of the connector (204);
the water outlet pipe (206) is communicated with the bottom of the valve body (1), and the sealing cover (207) is in threaded connection with the bottom of the water outlet pipe (206).
2. A freeze protected control valve as claimed in claim 1, wherein: be provided with filtering mechanism (3) on valve body (1), filtering mechanism (3) include mounting groove (301), sealing washer (302), installation piece (303), filter screen (304), pull rod (305), draw piece (306), dog (307), the one end at valve body (1) is seted up in mounting groove (301), sealing washer (302) set up on the inner wall of mounting groove (301), installation piece (303) and mounting groove (301) threaded connection, filter screen (304) fixed connection is on the inner wall of installation piece (303), pull rod (305) run through filter screen (304) and filter screen (304) fixed connection, draw the one end fixed connection of piece (306) and pull rod (305), and the other end fixed connection of dog (307) and pull rod (305).
3. A freeze protected control valve as claimed in claim 2, wherein: be provided with on valve body (1) and prevent stifled mechanism (4), prevent stifled mechanism (4) including bracing piece (401), bearing (402), bull stick (403), turbine (404), brush (405), bracing piece (401) fixed connection is in the inner wall bottom of valve body (1), the outer loop fixed connection of bearing (402) is at the top of bracing piece (401), the inner loop fixed connection of bull stick (403) and bearing (402), turbine (404) fixed connection is in the one end of bull stick (403), the other end fixed connection of brush (405) and bull stick (403), and brush (405) and the one side contact of filter screen (304).
4. A freeze protected control valve as claimed in claim 1, wherein: the inside of valve body (1) is provided with spheroid (5), slot (6) have been seted up at the top of spheroid (5), be provided with on valve body (1) and change (7), and change the top that runs through valve body (1) to (7), change bottom fixedly connected with inserted block (8) to (7), and the inner wall sliding connection of inserted block (8) and slot (6), knob (9) fixed connection is at the top of changeing (7).
5. A freeze protected control valve as claimed in claim 1, wherein: the number of the baffle plates (202) is two, the two baffle plates (202) are obliquely arranged, and one ends of the two baffle plates (202) are abutted.
6. A freeze protected control valve as claimed in claim 2, wherein: the number of the filtering mechanisms (3) is two, and the two filtering mechanisms (3) are respectively arranged at two ends of the valve body (1).
7. A freeze protected control valve as claimed in claim 1, wherein: the bottom fixedly connected with backup pad of valve body (1), the bottom fixedly connected with bottom plate of backup pad.
8. A freeze protected control valve as claimed in claim 1, wherein: the inner wall of the sealing cover (207) is provided with a sealing gasket, and the sealing gasket is abutted against the bottom of the water outlet pipe (206).
9. A freeze protected control valve as claimed in claim 4, wherein: the inside of valve body (1) is provided with the clamping ring, and clamping ring and spheroid (5) contact.
10. The freeze protected control valve of claim 4, wherein: and anti-skid grains are arranged on the outer wall of the knob (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310096584.6A CN115773403A (en) | 2023-02-10 | 2023-02-10 | Control valve for preventing freezing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310096584.6A CN115773403A (en) | 2023-02-10 | 2023-02-10 | Control valve for preventing freezing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115773403A true CN115773403A (en) | 2023-03-10 |
Family
ID=85393482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310096584.6A Pending CN115773403A (en) | 2023-02-10 | 2023-02-10 | Control valve for preventing freezing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115773403A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080053536A1 (en) * | 2006-08-31 | 2008-03-06 | Honeywell International, Inc. | High flow insert type check valve |
| CN207989784U (en) * | 2018-01-19 | 2018-10-19 | 永嘉一核自控阀门有限公司 | A kind of ceramic ball valve with utilidor |
| CN108692071A (en) * | 2018-06-28 | 2018-10-23 | 江苏经纬阀业有限公司 | A kind of large-flow check valve |
| CN211779098U (en) * | 2020-03-07 | 2020-10-27 | 铁岭忠远阀门有限公司 | Butterfly valve with anti-freezing structure |
| CN212080203U (en) * | 2020-01-23 | 2020-12-04 | 黑龙江省穆棱市电站阀门有限责任公司 | Gate valve convenient to overhaul and install |
| CN214579085U (en) * | 2021-04-19 | 2021-11-02 | 泉州欧姆西自动化有限公司 | Pipeline type water stop valve body |
-
2023
- 2023-02-10 CN CN202310096584.6A patent/CN115773403A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080053536A1 (en) * | 2006-08-31 | 2008-03-06 | Honeywell International, Inc. | High flow insert type check valve |
| CN207989784U (en) * | 2018-01-19 | 2018-10-19 | 永嘉一核自控阀门有限公司 | A kind of ceramic ball valve with utilidor |
| CN108692071A (en) * | 2018-06-28 | 2018-10-23 | 江苏经纬阀业有限公司 | A kind of large-flow check valve |
| CN212080203U (en) * | 2020-01-23 | 2020-12-04 | 黑龙江省穆棱市电站阀门有限责任公司 | Gate valve convenient to overhaul and install |
| CN211779098U (en) * | 2020-03-07 | 2020-10-27 | 铁岭忠远阀门有限公司 | Butterfly valve with anti-freezing structure |
| CN214579085U (en) * | 2021-04-19 | 2021-11-02 | 泉州欧姆西自动化有限公司 | Pipeline type water stop valve body |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20230310 |
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| RJ01 | Rejection of invention patent application after publication |