CN220622850U - Flap valve based on liquid level auxiliary control - Google Patents
Flap valve based on liquid level auxiliary control Download PDFInfo
- Publication number
- CN220622850U CN220622850U CN202322209612.9U CN202322209612U CN220622850U CN 220622850 U CN220622850 U CN 220622850U CN 202322209612 U CN202322209612 U CN 202322209612U CN 220622850 U CN220622850 U CN 220622850U
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- Prior art keywords
- flap valve
- liquid level
- seat
- valve
- control
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- 239000007788 liquid Substances 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 230000000149 penetrating effect Effects 0.000 claims 2
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001427 coherent effect Effects 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a flap valve based on liquid level auxiliary control, and mainly relates to the field of flap valve products. The valve seat is provided with a valve port, two sides or one side of the valve seat are provided with hinge seats, the hinge seats are hinged with a flap valve, the outer sides of the hinge seats away from the valve port are provided with control boxes, the control boxes are provided with lifting strokes relative to the valve seat, the control boxes are hollow box structures, the inner side end faces of the control boxes adjacent to the flap valve are control faces, the control faces comprise guide faces and pushing faces which are connected up and down in a coherent mode, the flap valve is located at the maximum opening angle of the flap valve and is not contacted with the guide faces, the pushing faces are inclined faces inclined from the bottom to one side of the valve port, and the bottoms of the pushing faces are located in projection areas of opening and closing ranges of the flap valve. The utility model has the beneficial effects that: the liquid level can be used for carrying out auxiliary control on closing of the flap valve, and the corresponding sensitivity of the flap valve is improved.
Description
Technical Field
The utility model relates to the field of flap valve products, in particular to a flap valve based on liquid level auxiliary control.
Background
The flap valve is a check valve which is arranged at the tail end of the drainage channel and has the function of preventing the backflow of external water. The flap valve mainly comprises a valve seat, a valve plate, a water sealing ring and an angle chain. The common flap valve is a free flap valve, is not controlled to be opened and closed by any power, and is opened by water flow or closed by self weight and impact force of backflow water.
The flap valve can be divided into a suspension flap valve, a lateral single-open flap valve and a lateral double-open flap valve according to the opening direction of the flap valve cover. The flap is pushed horizontally for the lateral direction, and is more sensitive to the opening response of the water flow. The disadvantage is also evident because of the flat pushing, which makes it slower to react to water pressure when closed. When the device is designed, the opening angle is limited, preferably 85 degrees, and when the device is oversized, the device can not cut off water flow in time, so that accidents such as water flow backflow, unit inversion, even runaway, lifting and the like occur. However, under the premise of design angle, the structure of the flap valve can be worn or damaged during operation, and the accident potential exists under the working condition of strong excretion.
Disclosure of Invention
The utility model aims to provide a flap valve based on liquid level auxiliary control, which can utilize liquid level to carry out auxiliary control on closing of the flap valve and improve the corresponding sensitivity of the flap valve.
The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:
the utility model provides a flap valve based on liquid level auxiliary control, includes the disk seat, be equipped with the valve port on the disk seat, both sides or one side of disk seat are equipped with articulated seat, articulated on the articulated seat have the flap valve, articulated seat keeps away from the outside of valve port and is equipped with the control box, the control box has the lift stroke for the disk seat, the control box is hollow box structure, the control box is the control face with the adjacent inboard terminal surface of flap valve, the control face includes the guide surface and the pushing surface that link up from top to bottom, the flap valve is located and does not contact with the guide surface when its maximum opening angle, the pushing surface is the inclined plane of bottom side direction valve port one side slope, the bottom of pushing surface is in the projection area of flap valve range of opening and shutting.
The both sides or one side of disk seat are equipped with the mounting panel, articulated seat is fixed on the mounting panel.
Be fixed with the guide holder on the mounting panel, the guide holder runs through from top to bottom and is equipped with the guiding hole, it has the lifter to run through in the guiding hole, the cross-section of lifter is dysmorphism, through door type frame fixed mounting between lifter and the control box, opening one side of door type frame is close to the guide holder setting, just the both ends of lifter are fixed respectively in the opening one end of door type frame, the connection one side and the control box of door type frame are fixed.
The door-shaped frame comprises a vertically arranged fixed plate, the fixed plate is fixedly arranged on the control box, the top end and the bottom end of the fixed plate are respectively fixed with an extension plate integrally formed with the fixed plate, one end, far away from the fixed plate, of the extension plate is provided with a mounting hole, a mounting bolt penetrates through the mounting hole, the top end and the bottom end of the lifting rod are respectively provided with a thread groove, and the mounting bolt is in threaded fit with the thread grooves.
The top of the control box is provided with a water inlet, and a barrel cover is matched on the water inlet.
The outer side end surface of the control box is a vertical plane parallel to the axis of the valve port.
The bottom side of the guide surface is close to the outer side of the flap valve under the maximum opening angle, and the top side of the guide surface is inclined away from the outer side of the valve port.
The inclination of the guide surface is smaller than that of the pushing surface.
The bottom side of the guide surface is connected with the top side of the pushing surface through an arc surface internal corner.
The bottom side of the pushing surface is provided with an expansion surface connected with the pushing surface, and the expansion surface is a vertical plane parallel to the axis of the valve port.
Compared with the prior art, the utility model has the beneficial effects that:
the flap valve is still an automatic flap valve, and is automatically opened and closed by the water pressure inside and outside the pipeline. On the basis of the flap valve with the lateral flat-open structure, when the flap valve is closed, the flap valve is pushed inwards in advance or timely based on the response of the buoyancy of the liquid level, so that the flap valve is more sensitive to the reaction of water flow and the liquid level, and the bidirectional high-speed correspondence of opening and closing is realized.
Drawings
FIG. 1 is a schematic view of example 1 of the present utility model (liquid level low, control box sinking state).
Fig. 2 is a front view of fig. 1 of the present utility model.
Fig. 3 is a top view of fig. 1 of the present utility model.
FIG. 4 is an illustration of the component of FIG. 1 of the present utility model disassembled.
FIG. 5 is a schematic illustration of embodiment 1 of the present utility model (liquid level near valve port, control tank float).
FIG. 6 is a front view of FIG. 5 of the present utility model
Fig. 7 is a schematic diagram of embodiment 2 of the present utility model.
Fig. 8 is a front view of fig. 7 of the present utility model.
The reference numbers shown in the drawings:
1. a mounting plate; 2. a valve seat; 3. a valve port; 4. a hinge base; 5. a flap valve; 6. a guide seat; 7. a guide hole; 8. a door-shaped frame; 9. a lifting rod; 10. an extension plate; 11. a fixing plate; 12. installing a bolt; 13. a control box; 14. a barrel cover; 15. a guide surface; 16. a pushing surface; 17. expanding the surface.
Detailed Description
The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the utility model, and such equivalents are intended to fall within the scope of the utility model as defined herein.
Example 1: double-sided split example
The valve seat 2 of the present example is a circular valve seat 2 for mounting at the tail end of a drain pipe.
The valve seat 2 is in butt joint with the drainage pipeline through a flange and bolts. The valve seat 2 is provided with a valve port 3 on one side far away from the drain pipe. The valve port 3 corresponds to the inner cavity of the drainage pipeline.
The two sides of the valve seat 2 are provided with mounting plates 1 which are used for correspondingly mounting the valve seat 2 on the wall surface of the pipeline opening.
The both sides of disk seat 2 are equipped with articulated seat 4 respectively, articulated seat 4 is fixed on mounting panel 1, articulated on the articulated seat 4 have flap valve 5, flap valve 5 is semi-circular flap valve 5, and two flap valves 5 can dock and be the circular that covers the adaptation with the valve port 3 of disk seat 2 to cooperate and use for the valve with disk seat 2.
The center of the valve port 3 is provided with a baffle which is in a long strip shape and is used for matching with the two flap valves 5 to improve the sealing effect after closing.
The outside of articulated seat 4 is equipped with the guide holder 6 of fixing on mounting panel 1, the guide holder 6 runs through from top to bottom and is equipped with guiding hole 7, it has lifter 9 to run through in the guiding hole 7, lifter 9 is the rectangle, guiding hole 7 is the rectangular hole that suits with the cross-section of lifter 9, guide holder 6 sets up the bottom at mounting panel 1, the top and the bottom of lifter 9 are fixed with extension board 10 respectively, extension board 10 is the rectangular plate, the one end and the lifter 9 of extension board 10 are fixed, the other end of extension board 10 is equipped with fixed plate 11, fixed plate 11 is also the rectangular plate, the upper and lower both ends of fixed plate 11 respectively with two extension boards 10 fixed connection, fixed plate 11 and extension board 10 constitute "]" shape structure, and the suggestion adopts panel beating to bend the sheet metal processing, integrated into one piece.
The inner end of the extension plate 10 is provided with a mounting hole, a mounting bolt 12 penetrates through the mounting hole, thread grooves are respectively formed in the top end and the bottom end of the lifting rod 9, the mounting bolt 12 is in threaded fit with the thread grooves, the lifting rod 9, the extension plate 10 and the fixing plate 11 are detached, and the whole control assembly is conveniently detached and installed from the valve seat 2. And obtaining a structure which is convenient to disassemble and assemble.
The control box 13 is fixed on the fixed plate 11, the control box 13 is of a plastic empty barrel structure, a water inlet is formed in the top of the control box 13, a barrel cover 14 is matched on the water inlet, the outer side end face of the control box 13 is a vertical plane perpendicular to the mounting plate 1, the inner side end face of the control box 13 is a control face, and the control face comprises a guide face 15, a pushing face 16 and an expanding face 17 which are sequentially connected from top to bottom.
The guiding surface 15 and the pushing surface 16 are inclined surfaces with the bottom inclined to one side of the valve port 3, the inclination of the guiding surface 15 is smaller than that of the pushing surface 16, the bottom side of the guiding surface 15 is connected with the pushing surface 16 in a cambered surface internal angle, when the flap valve 5 is opened to a maximum angle, the outer side surface of the flap valve 5 can be flushed up and down with the bottom side of the guiding surface 15, the pushing surface 16 is inclined inwards further, the flap valve 5 can be forced to rotate inwards, and the balance is broken to enable the flap valve to be closed rapidly.
The expansion surface 17 is a part of further optimization, the expansion surface 17 is a vertical plane vertical to the mounting plate 1, more space is formed at the bottom of the control box 13 based on the existence of the expansion surface 17, more buoyancy is obtained below, the pushing surface 16 of the control box 13 is floated under the same water level, when the pushing surface 16 rises to overlap with the lateral space of the bottom side of the flap valve 5, the water level outside the valve port 3 can be as far as possible away from the valve port 3, response is more agile, and preparation is made in advance.
And more water is conveniently filled for counterweight.
In a specific operation, the lifting rod 9 can restrict the lifting stroke of the control box 13. When the liquid level outside the valve port 3 is lower than that of the pipeline, the control box 13 falls down, and the guide surface 15 is outside the hinged position of the flap valve 5, so that the opening of the flap valve 5 is not influenced. When the liquid level rises to be close to the valve pipe, the control box 13 is lifted under the action of buoyancy, the top side of the guide surface 15 is inclined outwards, the control box is easier to insert upwards to be positioned on the outer side of the flap valve 5, and even if a problem occurs in the hinge part of the flap valve 5, the control box can be smoothly inserted upwards to be positioned on the outer side of the flap valve 5 through the inclination. When the water level continues to rise and reaches the valve port 3, the control box 13 rises to the bottom side of the guide surface 15 and the bottom side of the flap valve 5 under the action of buoyancy, the water level rises again to enable the pushing surface 16 to rise to overlap with the transverse position of the flap valve 5, the flap valve 5 is extruded inwards under the guide action of the large inwards inclination of the pushing surface 16, the inward inclination state of the flap valve 5 is obtained rapidly, the flap valve 5 is ready to be closed when the water level approaches the valve port 3, and the flap valve is rapidly responded and closed when the water pressure changes.
If the response sensitivity is slowed down and the responsive water level is raised under the above design, water or other fillers such as stones, heavy oil and the like can be filled into the control box 13 according to the situation, and meanwhile, the control box 13 is partially balanced through the expansion surface 17 with the largest cross section to obtain the stable balance weight at the bottom, so that the bottom of the control box 13 is submerged into a water line for a certain depth under the same water level, thereby lowering the height of the control box 13 under the same water level, and enabling the pushing surface 16 to interact with the flap valve 5 later.
Example 2: single sided example
The novel water draining pipe comprises a circular valve seat 2, wherein mounting plates 1 are arranged on two sides of the valve seat 2, and a valve port 3 is arranged on one side, away from a draining pipe, of the valve seat 2. The circumference side of the valve seat 2 is provided with a flange, and the valve seat 2 is fixed at the tail end of the pipeline through the mounting plate 1 and the flange, or through the flange alone, or through the mounting plate 1 alone.
The left side or right side of disk seat 2 is equipped with articulated seat 4 in the middle, articulated seat 4 is last to articulate has flap valve 5, flap valve 5 is circular flap valve 5, opens and close with the corresponding cooperation of valve port 3.
The outside of articulated seat 4 is equipped with the guide holder 6 of fixing on mounting panel 1, the guide holder 6 runs through from top to bottom and is equipped with guiding hole 7, it has lifter 9 to run through in the guiding hole 7, lifter 9 is noncircular special-shaped cross-section, and the drawing is rectangle, also can be pentagon etc. guiding hole 7 is the cross-section with lifter 9 suits, the open position at door type frame 8 is fixed at the both ends of lifter 9, door type frame 8 is kept away from its open-ended one side and is fixed with control box 13, the outside terminal surface of control box 13 is the vertical plane with mounting panel 1, the inboard terminal surface of control box 13 is the control surface, the control surface includes consecutive guide surface 15 in proper order from top to bottom, pushing surface 16, expansion face 17.
The guiding surface 15 and the pushing surface 16 are inclined surfaces with the bottom inclined to one side of the valve port 3, the inclination of the guiding surface 15 is smaller than that of the pushing surface 16, the bottom side of the guiding surface 15 is connected with the pushing surface 16 in a cambered surface internal angle, when the flap valve 5 is opened to a maximum angle, the outer side surface of the flap valve 5 can be flushed up and down with the bottom side of the guiding surface 15, the pushing surface 16 is inclined inwards further, the flap valve 5 can be forced to rotate inwards, and the balance is broken to enable the flap valve to be closed rapidly.
The expansion surface 17 is a part of further optimization, the expansion surface 17 is a vertical plane perpendicular to the mounting plate 1, more buoyancy can be obtained at the bottom based on the existence of the expansion surface 17, and the pushing surface 16 can be contacted with the flap valve 5 when a water line is at a certain distance from the valve port 3 under the same water level condition.
Claims (10)
1. The utility model provides a flap valve based on liquid level auxiliary control, its characterized in that, includes the disk seat, be equipped with the valve port on the disk seat, both sides or one side of disk seat are equipped with articulated seat, articulated seat is last to articulate has the flap valve, articulated seat keeps away from the outside of valve port and is equipped with the control box, the control box has the lift stroke for the disk seat relatively, the control box is hollow box structure, the control box is the control face with the inboard terminal surface that the flap valve is adjacent, the control face includes guide surface and the pushing surface that links up and down, the flap valve is located and does not contact with the guide surface when its maximum opening angle, the pushing surface is the inclined plane of bottom side to valve port one side slope, the bottom of pushing surface is in the projection area of flap valve open and shut the scope.
2. The flap valve based on liquid level auxiliary control according to claim 1, wherein mounting plates are arranged on two sides or one side of the valve seat, and the hinge seat is fixed on the mounting plates.
3. The flap valve based on liquid level auxiliary control according to claim 2, wherein a guide seat is fixed on the mounting plate, a guide hole is formed in the guide seat in a vertically penetrating manner, a lifting rod is arranged in the guide hole in a penetrating manner, the section of the lifting rod is special-shaped, the lifting rod and the control box are fixedly mounted through a door-shaped frame, one side of an opening of the door-shaped frame is close to the guide seat, two ends of the lifting rod are respectively fixed at one end of the opening of the door-shaped frame, and one side of a connection of the door-shaped frame is fixed with the control box.
4. The flap valve based on liquid level auxiliary control of claim 3, wherein the gate-type frame comprises a vertically arranged fixed plate, the fixed plate is fixedly arranged on the control box, the top end and the bottom end of the fixed plate are respectively fixed with an extension plate integrally formed with the fixed plate, one end, far away from the fixed plate, of the extension plate is provided with a mounting hole, mounting bolts penetrate through the mounting hole, the top end and the bottom end of the lifting rod are respectively provided with a thread groove, and the mounting bolts are in threaded fit with the thread grooves.
5. The flap valve based on liquid level auxiliary control of claim 1, wherein a water inlet is formed in the top of the control box, and a barrel cover is matched with the water inlet.
6. The flap valve based on liquid level auxiliary control of claim 1, wherein the outer side end surface of the control box is a vertical plane parallel to the axis of the valve port.
7. The flap valve based on liquid level auxiliary control according to claim 1, wherein the bottom side of the guide surface is close to the outer side of the flap valve under the maximum opening angle, and the top side of the guide surface is inclined away from the outer side of the valve port.
8. The flap valve based on level assist control of claim 7, wherein the guide surface has a smaller inclination than the pushing surface.
9. The flap valve based on liquid level auxiliary control as claimed in claim 1, wherein the bottom side of the guide surface is connected with the top side of the pushing surface by an arc surface internal corner.
10. The flap valve based on liquid level auxiliary control of claim 1, wherein the bottom side of the pushing surface is provided with an expansion surface connected with the pushing surface, and the expansion surface is a vertical plane parallel to the axis of the valve port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322209612.9U CN220622850U (en) | 2023-08-16 | 2023-08-16 | Flap valve based on liquid level auxiliary control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322209612.9U CN220622850U (en) | 2023-08-16 | 2023-08-16 | Flap valve based on liquid level auxiliary control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220622850U true CN220622850U (en) | 2024-03-19 |
Family
ID=90233867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322209612.9U Active CN220622850U (en) | 2023-08-16 | 2023-08-16 | Flap valve based on liquid level auxiliary control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220622850U (en) |
-
2023
- 2023-08-16 CN CN202322209612.9U patent/CN220622850U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240829 Address after: No. 1 Qiantangjiang Road, Pingdu Economic Development Zone, Qingdao City, Shandong Province, China 266700 Patentee after: Qingdao Mingyuan Ruiyun Technology Co.,Ltd. Country or region after: China Address before: No.11, Tonghui 1st Road, Pingdu Economic Development Zone, Qingdao, Shandong 266700 Patentee before: Qingdao Mingyuan Ruixin Environmental Protection Technology Co.,Ltd. Country or region before: China |