CN211009922U - Auxiliary device for opening and closing flap valve - Google Patents
Auxiliary device for opening and closing flap valve Download PDFInfo
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- CN211009922U CN211009922U CN201921898761.8U CN201921898761U CN211009922U CN 211009922 U CN211009922 U CN 211009922U CN 201921898761 U CN201921898761 U CN 201921898761U CN 211009922 U CN211009922 U CN 211009922U
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- flap valve
- door leaf
- closing
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Abstract
The utility model provides a flap valve switch auxiliary device, which is used for assisting the opening or closing of a flap valve, wherein the flap valve comprises a door leaf rotatably arranged at one end of a drainage pipeline, the flap valve switch auxiliary device comprises a stand column, a linkage rod, a transmission rod and a spring, the stand column is arranged on the outer side wall of the top of the drainage pipeline, one end of the transmission rod is connected with the outer side surface of the door leaf, the linkage rod is respectively and rotatably connected with the other end of the transmission rod and the top end of the stand column, and the door leaf synchronously drives the linkage rod to rotate relative to the upright column through the transmission rod in the rotating process of; the spring is tensile state, and both ends are connected with stand and gangbar respectively, and along the rotation direction when the door leaf is opened, when the contained angle between stand and the gangbar is less than 180, the pulling force of spring passes through the gangbar and the supplementary door leaf of conduction pole conduction is closed, and when the contained angle between stand and the gangbar is greater than 180, the pulling force of spring passes through the gangbar and the supplementary door leaf of conduction pole conduction is opened to make the clapper door have quick, stable automatic switch effect.
Description
Technical Field
The utility model belongs to the technical field of municipal works mixed flow pipe treatment of rain and sewage, more specifically say, relate to a clap a switch auxiliary device.
Background
At present, the urban and rural areas have the situation that mixed rain and sewage flows into rivers in a large number, and it is comparatively difficult to control the rainwater from the source, the sewage reposition of redundant personnel is collected and is discharged again, consequently in order to reduce the sewage volume of discharging into rivers and gushing, can add the flap valve in drainage pipe's one end generally, and in non-rainfall period, the flap valve is corresponding to be closed, and sewage dams to the sewage collection pipeline that closes on in the drainage pipe, and in the rainfall period, the flap valve is corresponding to be opened, and mixed rain and sewage flows in the drainage pipe directly discharge into rivers.
However, most of the existing flap valves are automatically opened or closed through the difference between the internal and external water pressures of the flap valve and the self gravity of the flap valve, and in the opening process of the flap valve, if the water pressure in a pipeline is insufficient, the opening angle of the flap valve is smaller, so that rain and sewage in the pipeline are not smoothly discharged and are stored in the pipeline; in the closing process of the flap valve, if the water pressure of the river surge is insufficient, the flap valve is not closed tightly, so that sewage in the drainage pipeline flows into the river surge, or river water in the river surge flows into the drainage pipeline to form reverse flow.
Obviously, the automatic opening and closing of the flap valve only depends on the difference between the internal water pressure and the external water pressure of the flap valve and the self weight of the flap valve, and a certain defect exists, although a mechanism for assisting the opening and closing of the flap valve can be installed on the existing partial drainage pipeline, such as a screw rod bracket is installed above the flap valve, the flap valve is connected by a screw rod, and the flap valve is opened and closed by rotating the screw rod in a manual or electric mode, the manual operation mode is adopted, the opening and closing time of the flap valve is difficult to better master during rainfall, and therefore the water level in the pipeline is easy to be blocked or form backward flow; and the electric control mode is adopted, and a power supply, a water level sensing mechanism and a transmission mechanism are additionally arranged to control the opening and closing of the flap valve, so that the overall cost is high, and large-scale actual installation is difficult. Therefore, the existing auxiliary mechanisms cannot well solve the defects of the opening and closing of the flap valve at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flap valve switch auxiliary device aims at solving the current flap valve and only carries out the not good problem of effect that the automation was opened and was closed through the inside and outside water head of flap valve and flap valve dead weight.
In order to achieve the above object, the utility model adopts the following technical scheme: the flap valve opening and closing auxiliary device is characterized by comprising a stand column, a linkage rod, a transmission rod and a spring, wherein the stand column is arranged on the outer side wall of the top of the drainage pipeline, one end of the transmission rod is connected to the outer side surface of the flap, two ends of the linkage rod are respectively and rotatably connected with the other end of the transmission rod and the top end of the stand column, and the flap valve synchronously drives the linkage rod to rotate relative to the upright column through the transmission rod in the opening or closing rotating process; the spring is in a stretching state, two ends of the spring are respectively connected with the stand column and the linkage rod, the pulling force of the spring is conducted through the linkage rod and the conduction rod to assist the door leaf to be closed when an included angle between the stand column and the linkage rod is smaller than 180 degrees along the rotation direction when the door leaf is opened, and the pulling force of the spring is conducted through the linkage rod and the conduction rod to assist the door leaf to be opened when the included angle between the stand column and the linkage rod is larger than 180 degrees.
In one embodiment, the flap valve opening and closing auxiliary device further comprises a water flow impact plate, and the water flow impact plate is arranged on the inner side face of the door leaf.
In one embodiment, the transmission rod comprises a first rod body, and a second rod body, wherein one end of the second rod body is fixedly connected with one end of the first rod body, the other end of the first rod body is rotatably connected with one end of the linkage rod, and the other end of the second rod body is fixedly connected with the outer side face of the flap valve.
In one embodiment, one end of the first rod, which is far away from the second rod, extends towards the upper part of the drainage pipeline, and the flap valve opening and closing auxiliary device further comprises a handle, wherein the handle is arranged at one end of the first rod, which is far away from the second rod.
In one embodiment, the flap valve opening and closing auxiliary device further comprises a limiting piece, and the limiting piece is arranged on a rotation path of the flap valve.
The utility model provides a clap door switch auxiliary device and clap door device's beneficial effect lies in: the vertical column and the linkage rod which is rotatably connected with the vertical column are arranged on the outer side wall of the top of the drainage pipeline, and the linkage rod is respectively connected with the linkage rod and the transmission rod for flapping the door leaf, so that the linkage rod can be synchronously driven to rotate relative to the vertical column through the transmission rod in the opening or closing rotating process of the door leaf, the spring is in a stretching state, and two opposite ends of the spring are respectively connected with the vertical column and the linkage rod. When the water flow in the drainage pipeline is small and the door leaf is in a closed state, the tension of a spring in the flap valve switch auxiliary device can be transmitted to the door leaf through the linkage rod and the transmission rod, so that the door leaf is tightly closed; when the water flow in the drainage pipeline is large and the door leaf is opened, the pulling force of the spring can be transmitted to the door leaf through the linkage rod and the transmission rod, so that the door leaf can be quickly opened, and the flap valve has a good automatic opening and closing effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of an auxiliary device for opening and closing a flap valve according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the auxiliary device for opening and closing the flap valve of FIG. 1 to assist opening of the flap valve;
FIG. 3 is an enlarged schematic view of an included angle between a column and a linkage rod in the flap valve opening and closing auxiliary device shown in FIG. 1;
fig. 4 is an enlarged schematic view of an included angle between a stand column and a linkage rod in the flap valve opening and closing auxiliary device shown in fig. 2.
In the figure: 10. a flap valve opening and closing assist device; 100. a column; 200. a linkage rod; 300. a transmission rod; 310. A first rod body; 320. a second rod body; 400. a spring; 500. a water flow impact plate; 600, preparing a mixture; a limiting member; 20. A door is clapped; 21. a door leaf; 30. and (4) a water drainage pipeline.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 and fig. 2, a flap valve opening/closing auxiliary device 10 according to an embodiment of the present invention will be described. The flap valve opening and closing auxiliary device 10 is installed on the drainage duct 30 to assist the opening or closing of the door leaf of the flap valve 20. The flap valve opening and closing auxiliary device 10 comprises a vertical column 100, a linkage rod 200, a transmission rod 300 and a spring 400, wherein the vertical column 100 is arranged at the top of the outer side wall of the drainage pipeline 30 and is rotatably connected with one end of the linkage rod 200, the transmission rod 300 is arranged on the outer side surface of the door leaf 21 (namely the surface of the door leaf 21, which is back to the drainage pipeline 30) and is connected with the other end, which is opposite to the linkage rod 200, so that the door leaf 21 drives the linkage rod 200 to rotate relative to the vertical column 100 through the transmission rod 300 in the opening or closing rotating process, thereby changing the included angle between the linkage rod 200 and the vertical column 100, and the spring 400 is in a stretching state and is respectively connected with the vertical.
Specifically, the dotted line in fig. 1, 2 and 3 is a schematic line of the current water level in the drainage pipeline 30, taking the rotation direction when the flap door 20 is opened (the rotation direction when the flap door 20 is opened in the drawing is clockwise) as an example, in detail referring to fig. 1 and 4, when the included angle α between the upright post 100 and the linkage rod 200 is less than 180 °, the pulling force generated by the spring 400 due to the stretching is transmitted to the door leaf 21 through the linkage rod 200 and the transmission rod 300 to assist the closing of the flap door 20, and in detail referring to fig. 2 and 3, when the included angle α between the upright post 100 and the linkage rod 200 is greater than 180 °, the pulling force generated by the spring 400 is transmitted to the door leaf 21 through the linkage rod 200 and the transmission rod 300 to assist the opening of the door leaf 21.
Compared with the prior art, the flap valve device and the flap valve opening and closing auxiliary device 10 thereof provided by the utility model have the advantages that when the water flow of the drainage pipeline 30 is large and the door leaf 21 is opened (at the moment, the included angle α between the upright post 100 and the linkage rod 200 is correspondingly larger than 180 degrees), the pulling force of the spring 400 can form the moment for assisting the opening of the door leaf 21 on the door leaf 21 through the linkage rod 200 and the transmission rod 300 to enable the door leaf 21 to be opened quickly, when the water flow in the drainage pipeline 30 is small and the door leaf 21 is closed (at the moment, the included angle α between the upright post 100 and the linkage rod 200 is correspondingly smaller than 180 degrees), the pulling force of the spring 400 can form the moment for assisting the closing of the door leaf 21 on the door leaf 21 through the linkage rod 200 and the transmission rod 300 and can be matched with the self gravity of the door leaf 21 to enable.
Furthermore, the flap valve opening and closing auxiliary device further comprises a water flow impact plate 500, wherein the water flow impact plate 500 is arranged on the inner side surface of the door leaf 21 (namely, the side of the door leaf 21 facing the drainage pipeline 30) to improve the impact force of water flow in the drainage pipeline 30 on the door leaf 21, and when the water flow in the drainage pipeline 30 is large and impacts the water flow impact plate 500, the impact force acting on the water flow impact plate 500 can overcome the gravity of the door leaf 21, so that the door leaf 21 is kept in an open state, and at the moment, the tension of the spring 400 can also assist the door leaf 21 to be quickly opened; after the water in the drainage pipeline 30 is discharged through the flap valve 20, the water level of the water in the drainage pipeline 30 is correspondingly lowered until the water cannot impact the water impact plate 500, the gravity of the door leaf 21 and the water impact plate 500 overcomes the pulling force of the spring 400 to close the door leaf 21, and then the pulling force of the spring 400 generates moment on the door leaf 21 again to press the door leaf 21, so that the situation that the door leaf 21 is not closed tightly to cause the sewage in the drainage pipeline 30 to flow out (such as pollution caused by river inflow) or the external water flows into the drainage pipeline 30 to cause the water level in the drainage pipeline 30 to be blocked up is prevented.
Further, the driving rod 300 includes a first rod 310 and a second rod 320, the first rod 310 is connected to the second rod 320, the first rod 310 is rotatably connected to the linkage rod 200, and the second rod 320 is fixedly connected to the outer side of the door leaf 21, so that the linkage rod 200 can rotate relative to the pillar 100 more flexibly.
In this embodiment, one end of the vertical column 100 is welded on the outer sidewall of the drainage pipeline 30, the other end of the vertical column 100 away from the drainage pipeline 30 is hinged to one end of the linkage rod 200, the other end of the linkage rod 200 away from the vertical column 100 is hinged to one end of the first rod body 310, the other end of the first rod body 310 away from the linkage rod 200 is hinged to one end of the second rod body 320, and the other end of the second rod body 320 away from the first rod body 310 is welded on the outer sidewall of the door leaf 21.
Furthermore, the end of the first rod 310 away from the second rod 320 extends towards the upper side of the drainage pipe 30, and the flap valve opening and closing auxiliary device 10 further includes a handle (not shown), which is disposed at the end of the first rod 310 away from the second rod 320, so as to facilitate manual opening and closing of the flap valve 20 through the handle in case of emergency.
Further, the flap valve opening/closing auxiliary device 10 further includes a limiting member 600, and the limiting member 600 is disposed on a rotation path of the flap valve 20, so as to limit a maximum opening angle of the flap valve 20.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A flap valve opening and closing auxiliary device is used for assisting in opening or closing a flap valve, the flap valve comprises a door leaf rotatably arranged at one end of a drainage pipeline, and the flap valve opening and closing auxiliary device is characterized by comprising an upright post, a linkage rod, a transmission rod and a spring, wherein the upright post is arranged on the outer side wall of the top of the drainage pipeline, one end of the transmission rod is connected to the outer side surface of the door leaf, two ends of the linkage rod are respectively and rotatably connected with the other end of the transmission rod and the top end of the upright post, and the linkage rod is synchronously driven to rotate relative to the upright post through the transmission rod in the opening or closing rotating process of the door leaf; the spring is tensile state, and both ends respectively with the stand reaches the gangbar is connected, follows the direction of rotation when door leaf is opened, works as the stand with contained angle between the gangbar is less than 180, the pulling force of spring passes through the gangbar reaches the transfer line conduction is supplementary the door leaf is closed, works as the stand with contained angle between the gangbar is greater than 180, the pulling force of spring passes through the gangbar reaches the transfer line conduction is supplementary the door leaf is opened.
2. A flap valve opening and closing assist device according to claim 1, further comprising a water flow impact plate, said water flow impact plate being provided on an inner side surface of said door leaf.
3. A flap valve opening and closing assist device according to claim 1, wherein said transmission rod comprises a first rod and a second rod having one end connected to one end of said first rod and fixed thereto, the other end of said first rod being rotatably connected to one end of said linkage rod, and the other end of said second rod being connected to and fixed to the outer side of said flap valve.
4. A flap valve opening and closing assist device according to claim 3, wherein an end of said first rod remote from said second rod extends above said drain pipe, said flap valve opening and closing assist device further comprising a handle provided on an end of said first rod remote from said second rod.
5. The flap valve opening and closing assist device according to claim 1, further comprising a stopper provided on a rotation path of the flap valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921898761.8U CN211009922U (en) | 2019-11-05 | 2019-11-05 | Auxiliary device for opening and closing flap valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921898761.8U CN211009922U (en) | 2019-11-05 | 2019-11-05 | Auxiliary device for opening and closing flap valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211009922U true CN211009922U (en) | 2020-07-14 |
Family
ID=71507635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921898761.8U Active CN211009922U (en) | 2019-11-05 | 2019-11-05 | Auxiliary device for opening and closing flap valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211009922U (en) |
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2019
- 2019-11-05 CN CN201921898761.8U patent/CN211009922U/en active Active
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