CN116292918B - Semi-automatic flow-limiting valve - Google Patents
Semi-automatic flow-limiting valve Download PDFInfo
- Publication number
- CN116292918B CN116292918B CN202310447495.1A CN202310447495A CN116292918B CN 116292918 B CN116292918 B CN 116292918B CN 202310447495 A CN202310447495 A CN 202310447495A CN 116292918 B CN116292918 B CN 116292918B
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- Prior art keywords
- lower cavity
- water flow
- flow
- blocking
- limiting rod
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- 230000000903 blocking effect Effects 0.000 claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 230000000694 effects Effects 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 7
- 230000001276 controlling effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910000885 Dual-phase steel Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- WUJISAYEUPRJOG-UHFFFAOYSA-N molybdenum vanadium Chemical compound [V].[Mo] WUJISAYEUPRJOG-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/52—Means for additional adjustment of the rate of flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses a semi-automatic flow-limiting valve, and relates to the technical field of valves. The adjusting turntable is rotated to drive the display limiting rod to rotate, the blocking head and the blocking plug are separated, when the flow rate of the communicated water flow is small, the impact force of the water flow is insufficient, the water flow flows into the lower cavity from the gap between the blocking plate and the lower cavity, the liquid level of the lower cavity rises, the floating ball is dragged by buoyancy to rise, the blocking head is driven to have upward lifting force, the space of the opening is enlarged, and the overflowed water flow flows out; when the flow of the communicated water flow is large, the impact force of the water flow is large, the baffle plate is flushed by the water flow, the baffle plate is blocked, the floating ball does not provide an effect, the blocking head is pressed down under the effect of the inner spring, the space of the opening is unchanged, the flow is reduced, the flow can be correspondingly regulated according to the actual flow of the liquid, the flow is small, the flow is not required to be limited, and the device is simple and convenient.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a semi-automatic flow-limiting valve.
Background
The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow rate) of a conveying medium. Depending on their function, they can be classified into shutoff valves, check valves, regulating valves, etc. The valve is a control component in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, diverting or overflow pressure relief and the like. Valves for fluid control systems range from the simplest shut-off valves to the various valves used in extremely complex automatic control systems, which are quite diverse in variety and specification. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are also classified into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc.), chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, dual phase steel valves, plastic valves, nonstandard custom valves, etc. according to the materials.
The traditional valve has certain defects when in use, the flow of the water flow is generally regulated and limited in a manual regulation mode, and the operation mode is complex, inaccurate in regulation and inconvenient in use.
Disclosure of Invention
The invention provides a semi-automatic flow-limiting valve, which solves the problems in the prior art.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the semi-automatic flow-limiting valve comprises a valve assembly and an adjusting rod assembly, wherein the adjusting rod assembly is positioned in the valve assembly and is used for regulating the start-stop action of the valve assembly;
The valve assembly comprises a valve body, flange plates are fixedly arranged on two sides of the valve body and used for fixing the installation positions of the flange plates, an upper valve cover is fixedly arranged on the upper side of the valve body and used for sealing, connecting ports are formed in the two sides of the valve body, a lower cavity is formed in the valve body and communicated with the connecting ports formed in the valve body, a sealing plug is arranged on the inner wall of the lower cavity, a guide hole is formed in the inner wall of the lower cavity, a fixed block is fixedly arranged on the inner wall of the lower cavity, a baffle plate is rotatably arranged on the fixed block, a limiting spring is connected between the baffle plate and the fixed block, a connecting rod is arranged in the guide hole in a sliding mode, and a floating ball is fixedly arranged at one end of the connecting rod;
The adjusting turntable is rotated to drive the display limiting rod to rotate, the blocking head and the blocking plug are separated, when the flow rate of the communicated water flow is small, the impact force of the water flow is insufficient, the water flow flows into the lower cavity from the gap between the blocking plate and the lower cavity, the liquid level of the lower cavity rises, the floating ball is dragged by buoyancy to rise, the blocking head is driven to have upward lifting force, the space of the opening is enlarged, and the overflowed water flow flows out; when the flow of the communicated water flow is large, the impact force of the water flow is large, the baffle plate is flushed by the water flow, the baffle plate is blocked, the floating ball does not provide an effect, the blocking head is pressed down under the effect of the inner spring, the space of the opening is unchanged, the flow is reduced, the flow can be correspondingly regulated according to the actual flow of the liquid, the flow is small, the flow is not required to be limited, and the device is simple and convenient.
The adjusting rod assembly comprises a display limiting rod, an adjusting turntable is fixedly arranged at the upper end of the display limiting rod, the bottom of the display limiting rod is arranged in an upper valve cover in a threaded mode and extends to the inside of the valve body, an extension rod is rotatably arranged at the bottom of the display limiting rod, a blocking head is arranged at the bottom of the display limiting rod through the extension rod, a guide rod is fixedly arranged at the center position of the bottom of the display limiting rod, the guide rod penetrates through the blocking head, and an inner spring is connected between the blocking head and the display limiting rod.
As a further scheme of the invention: the other end of the guide hole is fixedly connected with the plugging head, and meanwhile, the length value of the guide hole is smaller than the internal height value of the lower cavity.
As a further scheme of the invention: the surface of the sealing plug is provided with a hole groove, and the sealing head is matched with the hole groove formed in the sealing plug.
As a further scheme of the invention: when the baffle plate rotates to be vertical to the bottom surface of the lower cavity, the bottom of the baffle plate is contacted with the bottom surface of the lower cavity.
As a further scheme of the invention: the inner spring is sleeved on the outer surface of the guide rod, and the length value of the inner spring in balance is larger than that of the extension rod.
As a further scheme of the invention: the application method comprises the following steps:
Step S1: after the device is arranged on a needed pipeline, the device is installed, the position is determined, and the preparation work is finished;
step S2: the adjusting turntable is rotated to drive the display limiting rod to rotate, the display limiting rod is arranged on the valve body in a threaded mode, the plugging head below the display limiting rod is driven to downwards displace by rotation of the display limiting rod, the plugging head is aligned with a hole groove on the plugging plug to plug, and at the moment, the valve is closed;
Step S3: the adjusting turntable is rotated to drive the display limiting rod to rotate, the blocking head and the blocking plug are separated, when the flow rate of the communicated water flow is small, the impact force of the water flow is insufficient, the water flow flows into the lower cavity from the gap between the blocking plate and the lower cavity, the liquid level of the lower cavity rises, the floating ball is dragged by buoyancy to rise, the blocking head is driven to have upward lifting force, the space of the opening is enlarged, and the overflowed water flow flows out; when the flow rate of the communicated water flow is large, the impact force of the water flow is large, the blocking plate is flushed away by the water flow, the blocking plate is blocked, the floating ball does not play a role, the blocking head is pressed down under the action of the inner spring, the space of the opening is unchanged, and the flow rate is reduced.
The invention provides a semi-automatic flow-limiting valve. Compared with the prior art, the device has the following
The beneficial effects are that:
The semi-automatic flow-limiting valve drives the display limiting rod to rotate by rotating the adjusting turntable, so that the blocking head and the blocking plug are separated, when the flow rate of the communicated water flow is small, the impact force of the water flow is insufficient, the water flow flows into the lower cavity from the gap between the blocking plate and the lower cavity, the liquid level of the lower cavity rises, the floating ball is dragged by buoyancy to rise, the blocking head is driven to have upward lifting force, the space of the opening is enlarged, and the overflowed water flow flows out; when the flow of the communicated water flow is large, the impact force of the water flow is large, the baffle plate is flushed by the water flow, the baffle plate is blocked, the floating ball does not provide an effect, the blocking head is pressed down under the effect of the inner spring, the space of the opening is unchanged, the flow is reduced, the flow can be correspondingly regulated according to the actual flow of the liquid, the flow is small, the flow is not required to be limited, and the device is simple and convenient.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the present invention;
FIG. 3 is a cross-sectional view of the structure of the present invention;
fig. 4 is an enlarged view of the structure at a in fig. 3.
In the figure: 1. a valve assembly; 11. a valve body; 12. a flange plate; 13. an upper valve cover; 14. a connection port; 15. a packing plug; 16. a lower cavity; 17. a baffle plate; 18. a limit spring; 19. a fixed block; 110. a floating ball; 111. a connecting rod; 112. a guide hole; 2. an adjustment lever assembly; 21. displaying a limiting rod; 22. adjusting a turntable; 23. an extension rod; 24. a blocking head; 25. an inner spring; 26. a guide rod.
Detailed Description
In order to further describe the technical means and effects adopted by the invention for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the invention with reference to the attached drawings and the preferred embodiment.
Referring to fig. 1-4, a semiautomatic flow-limiting valve comprises a valve assembly 1 and an adjusting rod assembly 2, wherein the adjusting rod assembly 2 is positioned in the valve assembly 1, and the adjusting rod assembly 2 is used for regulating the start-stop action of the valve assembly 1;
The valve assembly 1 comprises a valve body 11, flange plates 12 are fixedly arranged on two sides of the valve body 11, the flange plates 12 are used for fixing the installation positions of the flange plates, an upper valve cover 13 is fixedly arranged on the upper side of the valve body 11, the upper valve cover 13 is used for sealing, connecting ports 14 are formed in the two sides of the valve body 11, a lower cavity 16 is formed in the valve body 11, the lower cavity 16 is communicated with the connecting ports 14 formed in the valve body 11, a sealing plug 15 is arranged on the inner wall of the lower cavity 16, a guide hole 112 is formed in the inner wall of the lower cavity 16, a fixed block 19 is fixedly arranged on the inner wall of the lower cavity 16, a baffle plate 17 is rotatably arranged on the fixed block 19, a limiting spring 18 is connected between the baffle plate 17 and the fixed block 19, a connecting rod 111 is slidably arranged in the guide hole 112, and a floating ball 110 is fixedly arranged at one end of the connecting rod 111;
The adjusting rod assembly 2 comprises a display limiting rod 21, an adjusting rotary disc 22 is fixedly arranged at the upper end of the display limiting rod 21, the bottom of the display limiting rod 21 is arranged in an upper valve cover 13 in a threaded mode and extends to the inside of the valve body 11, an extension rod 23 is rotatably arranged at the bottom of the display limiting rod 21, a blocking head 24 is arranged at the bottom of the display limiting rod 21 through the extension rod 23, meanwhile, a guide rod 26 is fixedly arranged at the center position of the bottom of the display limiting rod 21, the guide rod 26 penetrates through the blocking head 24, an inner spring 25 is connected between the blocking head 24 and the display limiting rod 21, the other end of the guide hole 112 is fixedly connected with the blocking head 24, the length value of the guide hole 112 is smaller than the inner height value of the lower cavity 16, a hole groove is formed in the surface of the blocking plug 15, the blocking head 24 is matched with the hole groove formed in the blocking plug 15, when the bottom of the blocking plate 17 is perpendicular to the bottom surface of the lower cavity 16, the bottom of the blocking plate 17 is contacted with the bottom surface of the lower cavity 16, and the length value of the inner spring 25 is set to be larger than the length value of the inner spring 25, and the length of the inner spring is equal to the length value of the inner spring 25.
The application method comprises the following steps:
Step S1: after the device is arranged on a needed pipeline, the device is installed, the position is determined, and the preparation work is finished;
Step S2: the adjusting turntable 22 is rotated to drive the display limiting rod 21 to rotate, the display limiting rod 21 is arranged on the valve body 11 in a threaded mode, the rotation of the display limiting rod 21 drives the blocking head 24 below the display limiting rod 21 to downwards displace, the blocking head 24 is aligned with a hole groove on the blocking plug 15 to block, and at the moment, the valve is closed;
Step S3: the adjusting turntable 22 is rotated to drive the display limiting rod 21 to rotate, the blocking head 24 and the blocking plug 15 are separated, when the flow rate of the communicated water flow is small, the impact force of the water flow is insufficient, the water flow flows into the lower cavity 16 from the gap between the blocking plate 17 and the lower cavity 16, the liquid level of the lower cavity 16 rises, the floating ball 110 is dragged by buoyancy to rise, the blocking head 24 is driven to have upward lifting force, the space of an opening is enlarged, and the overflowed water flow flows out; when the flow rate of the communicated water flow is large, the impact force of the water flow is large, the blocking plate 17 is flushed by the water flow, the blocking plate 17 is blocked, the floating ball 110 does not play a role, the blocking head 24 is pressed down under the action of the internal spring 25, the space of the opening is unchanged, and the flow rate is reduced.
When the device is used, after the device is arranged on a needed pipeline, the device is installed, the position is determined, the preparation work is finished, the adjusting turntable 22 is rotated to drive the display limiting rod 21 to rotate, the display limiting rod 21 is arranged on the valve body 11 in a threaded mode, the rotation of the display limiting rod 21 drives the blocking head 24 below the display limiting rod 21 to displace downwards, the blocking head 24 is aligned to a hole groove on the blocking plug 15 to block, at the moment, the valve is closed, the adjusting turntable 22 is rotated to drive the display limiting rod 21 to rotate, the blocking head 24 and the blocking plug 15 are separated, when the flow rate of the communicated water flow is smaller, the impact force of the water flow is insufficient, the water flow flows into the lower cavity 16 from a gap between the blocking plate 17 and the lower cavity 16, the liquid level of the lower cavity 16 rises, the floating ball 110 is dragged to rise, the blocking head 24 is driven to have an upward lifting force, the space of an opening is enlarged, and the overflowed water flow flows out; when the flow rate of the communicated water flow is large, the impact force of the water flow is large, the blocking plate 17 is flushed by the water flow, the blocking plate 17 is blocked, the floating ball 110 does not play a role, the blocking head 24 is pressed down under the action of the internal spring 25, the space of the opening is unchanged, and the flow rate is reduced.
In the description of the present invention, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 invention will be understood in specific cases by those of ordinary skill in the art.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (2)
1. The utility model provides a semi-automatic restriction flow size valve, includes valve subassembly (1) and adjusts pole subassembly (2), its characterized in that: the adjusting rod assembly (2) is positioned in the valve assembly (1);
The valve assembly (1) comprises a valve body (11), flange plates (12) are fixedly arranged on two sides of the valve body (11), an upper valve cover (13) is fixedly arranged on the upper side of the valve body (11), connecting ports (14) are formed in the two sides of the valve body (11), a lower cavity (16) is formed in the valve body (11), the lower cavity (16) is communicated with the connecting ports (14) formed in the valve body (11), a sealing plug (15) is arranged on the inner wall of the lower cavity (16), a guide hole (112) is formed in the inner wall of the lower cavity (16), a fixed block (19) is fixedly arranged on the inner wall of the lower cavity (16), a baffle plate (17) is rotatably arranged on the fixed block (19), a limit spring (18) is connected between the baffle plate (17) and the fixed block (19), a connecting rod (111) is slidably arranged in the guide hole (112), and one end of the connecting rod (111) is fixedly provided with a floating ball (110);
the adjusting rod assembly (2) comprises a display limiting rod (21), an adjusting rotary table (22) is fixedly arranged at the upper end of the display limiting rod (21), the bottom of the display limiting rod (21) is arranged in an upper valve cover (13) in a threaded mode and extends to the inside of a valve body (11), an extension rod (23) is rotatably arranged at the bottom of the display limiting rod (21), a blocking head (24) is arranged at the bottom of the display limiting rod (21) through the extension rod (23), meanwhile, a guide rod (26) is fixedly arranged at the center position of the bottom of the display limiting rod (21), the guide rod (26) penetrates through the blocking head (24), and an inner spring (25) is connected between the blocking head (24) and the display limiting rod (21);
The other end of the connecting rod (111) is fixedly connected with the plugging head (24), and meanwhile, the length value of the guide hole (112) is smaller than the internal height value of the lower cavity (16);
A hole groove is formed in the surface of the sealing plug (15), and the sealing head (24) is matched with the hole groove formed in the sealing plug (15);
when the baffle plate (17) rotates to be perpendicular to the bottom surface of the lower cavity (16), the bottom of the baffle plate (17) is contacted with the bottom surface of the lower cavity (16);
The inner spring (25) is sleeved on the outer surface of the guide rod (26), and the length value of the inner spring (25) in balance is larger than that of the extension rod (23).
2. A semi-automatic limited flow valve according to claim 1, wherein: the application method comprises the following steps:
Step S1: after the device is arranged on a needed pipeline, the device is installed, the position is determined, and the preparation work is finished;
Step S2: the adjusting turntable (22) is rotated to drive the display limiting rod (21) to rotate, the display limiting rod (21) is arranged on the valve body (11) in a threaded mode, the rotation of the display limiting rod (21) drives the blocking head (24) below the display limiting rod (21) to downwards displace, and the blocking head (24) is aligned with a hole groove on the blocking plug (15) to block, so that the valve is closed at the moment;
Step S3: the adjusting turntable (22) is rotated to drive the display limiting rod (21) to rotate, the blocking head (24) is separated from the blocking plug (15), when the flow rate of the communicated water flow is small, the impact force of the water flow is insufficient, the water flow flows into the lower cavity (16) from the gap between the blocking plate (17) and the lower cavity (16), the liquid level of the lower cavity (16) rises, the floating ball (110) is dragged by buoyancy to rise, the blocking head (24) is driven to have upward lifting force, the space of the opening is enlarged, and the overflowed water flow flows out; when the flow rate of the communicated water flow is large, the impact force of the water flow is large, the blocking plate (17) is flushed away by the water flow, the blocking plate (17) is blocked, the floating ball (110) does not provide an effect, the blocking head (24) is pressed down under the effect of the inner spring (25), the space of the opening is unchanged, and the flow rate is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310447495.1A CN116292918B (en) | 2023-04-24 | 2023-04-24 | Semi-automatic flow-limiting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310447495.1A CN116292918B (en) | 2023-04-24 | 2023-04-24 | Semi-automatic flow-limiting valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116292918A CN116292918A (en) | 2023-06-23 |
| CN116292918B true CN116292918B (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310447495.1A Active CN116292918B (en) | 2023-04-24 | 2023-04-24 | Semi-automatic flow-limiting valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN116292918B (en) |
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| DE202016101320U1 (en) * | 2016-03-10 | 2016-04-06 | Schuf Armaturen Und Apparatebau Gmbh | Turn-stroke drive for switching valves |
| CN208417568U (en) * | 2018-07-13 | 2019-01-22 | 中阀控股（集团）有限公司 | A kind of adjustable decompression venting valve of piston type |
| CN113969989A (en) * | 2021-10-27 | 2022-01-25 | 二维阀门江苏有限公司 | Water-saving liquid valve capable of semi-automatically controlling flow |
| CN114483969A (en) * | 2022-02-23 | 2022-05-13 | 威海琅立德仪表科技有限公司 | Regulating valve capable of automatically discharging accumulated water |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023008122A (en) * | 2021-07-05 | 2023-01-19 | 愛三工業株式会社 | Flow control valve and evaporative fuel processing device |
-
2023
- 2023-04-24 CN CN202310447495.1A patent/CN116292918B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202016101320U1 (en) * | 2016-03-10 | 2016-04-06 | Schuf Armaturen Und Apparatebau Gmbh | Turn-stroke drive for switching valves |
| CN208417568U (en) * | 2018-07-13 | 2019-01-22 | 中阀控股（集团）有限公司 | A kind of adjustable decompression venting valve of piston type |
| CN113969989A (en) * | 2021-10-27 | 2022-01-25 | 二维阀门江苏有限公司 | Water-saving liquid valve capable of semi-automatically controlling flow |
| CN114483969A (en) * | 2022-02-23 | 2022-05-13 | 威海琅立德仪表科技有限公司 | Regulating valve capable of automatically discharging accumulated water |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116292918A (en) | 2023-06-23 |
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