CN223386680U - Emergency shut-off air valve well - Google Patents
Emergency shut-off air valve wellInfo
- Publication number
- CN223386680U CN223386680U CN202422845015.XU CN202422845015U CN223386680U CN 223386680 U CN223386680 U CN 223386680U CN 202422845015 U CN202422845015 U CN 202422845015U CN 223386680 U CN223386680 U CN 223386680U
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- Prior art keywords
- valve
- well
- air valve
- control assembly
- service
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Abstract
The application belongs to the field of valve wells, and particularly discloses an emergency shut-off air valve well which comprises a valve well body, at least one conveying pipeline, an air valve, a control assembly and a control assembly, wherein a well cover is arranged at a well head of the valve well body, the air valve is installed on the conveying pipeline, a maintenance valve is fixedly connected between the air valve and the conveying pipeline, the air valve is communicated with the conveying pipeline through the maintenance valve, and the control assembly is used for driving the maintenance valve to open and close and extends to the well head of the valve well body and is positioned below the well cover. The control assembly can drive the overhaul valve to open and close, and extends to the wellhead of the valve well body, so that when the air valve leaks water to submerge the inside of the valve well body, an overhaul worker can timely close the overhaul valve outside the well, the field operation difficulty is reduced, the safety of the worker is protected, and the water source waste is reduced.
Description
Technical Field
The application belongs to the field of valve wells, and in particular relates to an emergency shut-off air valve well.
Background
The valve well is a basement for installing pipeline fittings such as valves and plays an important role in pipeline systems such as urban water supply, drainage, fuel gas and the like. The valve arranged in the valve well is used for controlling the flow of the medium in the pipeline, and a convenient overhaul and maintenance channel is provided through the valve well, so that the maintenance and the fault elimination of the pipeline system are facilitated. In long distance water pipe, gas accumulated in the pipe will reduce the water filling efficiency of the pipe, so air valve is installed on the pipe to discharge the gas in the pipe. To facilitate servicing of the malfunctioning air valve, an service valve is typically provided between the air valve and the conduit.
In the related art, a gate valve is often adopted as an overhaul valve arranged between an air valve and a pipeline, when the air valve fails, an overhaul worker needs to go into the well to close the gate valve and overhaul the air valve, however, after the water leakage problem of some air valves occurs, the valve well can be flooded, the overhaul worker can not go into the well to close the valve, the pipeline needs to be closed, after the water in the valve well is discharged, the overhaul is carried out in the well, the normal operation of the pipeline can be influenced, the pipeline can not be closed in time, and the water source is wasted.
Disclosure of utility model
Aiming at the defects of the prior art, the application provides an emergency shut-off air valve well, which aims to solve the problems that after the air valve leaks water, the valve well is flooded and an maintainer cannot go down the well to shut-off the valve for maintenance.
The application provides an emergency shut-off air valve well, which particularly comprises a valve well body, at least one conveying pipeline, a control assembly and a control assembly, wherein a well cover is arranged at a well head of the valve well body, an air valve is installed on the conveying pipeline, a maintenance valve is fixedly connected between the air valve and the conveying pipeline, the air valve is communicated with the conveying pipeline through the maintenance valve, and the control assembly is used for driving the maintenance valve to open and close and extends to the well head of the valve well body and is positioned below the well cover.
Compared with the prior art, the control assembly can drive the overhaul valve to open and close, and extends to the wellhead of the valve well body, so that when the air valve leaks water and the inside of the valve well body is flooded, an overhaul worker can timely close the overhaul valve outside the well, the field operation difficulty is reduced, the safety of the worker is protected, and the water source waste is reduced.
As a further preferred aspect, the service valve is a gate valve or a ball valve.
By adopting the technical scheme, the full-diameter valve such as the gate valve or the ball valve is adopted, so that air flow is allowed to flow smoothly in the valve, pressure drop is reduced to the maximum extent, high flow is allowed, and air in the conveying pipeline is discharged.
As a further preferred feature, the valve stem of the service valve is disposed in a horizontal direction, and the control assembly is disposed in a vertical direction and is connected to the valve stem of the service valve.
By adopting the technical scheme, the connection stability between the control assembly and the valve rod of the maintenance valve is improved, and the opening and closing of the maintenance valve can be effectively controlled.
As a further preferable mode, the control assembly comprises an extension bar and a reversing connecting piece, the extension bar is vertically arranged and is rotationally connected to the service valve by taking the axis of the extension bar as a rotating shaft, the bottom end of the extension bar is connected with the valve rod of the service valve through the reversing connecting piece, and the extension bar rotates to drive the valve rod of the service valve to rotate by taking the axis of the extension bar as the rotating shaft.
Through adopting above-mentioned technical scheme, rotatory extension bar can drive the valve rod rotation of maintenance valve through the switching-over connecting piece to can realize opening and close of maintenance valve, connect stably, convenient operation.
As a further preferred aspect, the reversing connection member includes a first bevel gear and a second bevel gear, the first bevel gear is coaxially and fixedly connected to the valve rod of the service valve, the second bevel gear is coaxially and fixedly connected to the bottom end of the extension rod, and the first bevel gear and the second bevel gear are meshed with each other.
Through adopting above-mentioned technical scheme, drive extension bar rotates and drives first bevel gear and rotate to make the valve rod of second bevel gear and maintenance valve rotate, can realize opening and close of maintenance valve.
As a further preferred aspect, the extension bar is a worm, the reversing connection member includes a worm wheel, the worm wheel is coaxially and fixedly connected to the valve rod of the service valve, and the worm is meshed with the worm wheel.
Through adopting above-mentioned technical scheme, drive worm rotation can drive the valve rod rotation of worm wheel and maintenance valve to realize opening and close of maintenance valve.
As a further preference, the tip of the extension rod extends to the wellhead of the valve well body.
Through adopting above-mentioned technical scheme, maintainer can drive extension bar rotation outside the well to the valve rod of drive maintenance valve rotates and realizes opening and close of maintenance valve.
As a further preferred aspect, the control assembly further comprises an operating hand wheel, and the operating hand wheel is coaxially and fixedly connected to the top end of the extension rod.
Through adopting above-mentioned technical scheme, the maintainer is convenient for drive extension bar rotation through operating the hand wheel.
As a further preference, the control assembly is located at an off-center position of the valve well body wellhead.
By adopting the technical scheme, the valve well body is convenient for an maintainer to go into the well from the well mouth of the valve well body for maintenance.
In general, compared with the prior art, the above technical solution conceived by the present application mainly has the following technical advantages:
1. According to the application, the overhaul valve can be driven to be opened and closed in the valve well body through the control assembly, the control assembly extends to the wellhead of the valve well body, when the air valve leaks water to cause flooding in the valve well body, after the well cover is opened, an overhaul worker can timely close the overhaul valve outside the well, and after the water in the valve well is discharged, the overhaul is carried out in the well, so that the field operation difficulty is reduced, the safety of the worker is protected, and the water source waste is reduced.
2. The application adopts the full-diameter valve such as the gate valve or the ball valve, and the like, and allows the air flow to flow smoothly in the valve, thereby reducing the pressure drop to the maximum extent and allowing high flow, and being beneficial to the air discharge in the conveying pipeline.
3. The application adopts a worm and gear structure or a bevel gear structure, realizes that the extension bar rotates to drive the valve rod of the maintenance valve to rotate, and has simple structure and lower manufacturing cost.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an emergency shut-off air valve well provided by an embodiment of the present application;
FIG. 2 is a schematic view of the overall structure of an access valve and control assembly provided by an embodiment of the present application;
Fig. 3 is a schematic cross-sectional structure of fig. 2.
The same reference numbers are used throughout the drawings to reference like elements or structures, wherein:
1. The valve well comprises a valve well body, a well cover, a conveying pipeline, an air valve, an overhaul valve, a mounting cylinder, a control assembly, a lengthening rod, a reversing connecting piece, a 621, a first bevel gear, a 622, a second bevel gear and an operating hand wheel.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
Referring to fig. 1-3, the emergency shut-off air valve well disclosed by the application comprises a valve well body 1 and a well cover 2, wherein the well cover 2 is arranged at the well mouth of the valve well body 1, at least one conveying pipeline 3 is arranged at the bottom of the valve well body 1, in the embodiment, the conveying pipeline 3 is arranged as one, an air valve 4 is arranged at the top of the conveying pipeline 3, a maintenance valve 5 is fixedly connected between the air valve 4 and the conveying pipeline 3, the air valve 4 is communicated with the conveying pipeline 3 through the maintenance valve 5, gas in the pipe can be discharged through the air valve 4, the maintenance valve 5 adopts a full-path valve such as a gate valve or a ball valve, and the valve rod rotates to drive a valve core to rotate, so that the maintenance valve 5 can be opened and closed.
In this embodiment, the emergency shut-off air valve well further comprises a control component 6, the control component 6 is installed on the maintenance valve 5, the control component 6 controls the maintenance valve 5 to be opened and closed, the control component 6 extends to the wellhead of the valve well body 1 and is located below the well lid 2, when the air valve 4 leaks water to cause flooding inside the valve well body 1, after the well lid 2 is opened, maintenance personnel can timely close the maintenance valve 5 outside the well, after the water in the valve well is discharged, the maintenance is carried out in the well, the control component 6 is located at the eccentric position of the wellhead of the valve well body 1, and the maintenance personnel is prevented from being influenced in the well operation.
Specifically, the valve rod of the service valve 5 is arranged along the horizontal direction, the control assembly 6 is arranged along the vertical direction and is connected with the valve rod of the service valve 5, a vertical installation cylinder 51 is fixedly connected to the housing of the service valve 5, the control assembly 6 is installed on the service valve 5 through the installation cylinder 51, the control assembly 6 comprises an extension rod 61 and a reversing connecting piece 62, the extension rod 61 is vertically arranged and is rotationally connected to the installation cylinder 51 on the service valve 5 by taking the axis of the extension rod 61 as a rotation axis, the bottom end of the extension rod 61 is connected with the valve rod of the service valve 5 through the reversing connecting piece 62, when the extension rod 61 rotates, the valve rod of the service valve 5 can be driven to rotate by taking the axis of the extension rod as the rotation axis through the reversing connecting piece 62, in order to facilitate operation outside a well, the top end of the extension rod 61 extends to the wellhead of the valve well body 1 and is located below the well lid 2, an operation hand wheel 63 is coaxially and fixedly connected to the top end of the extension rod 61, and the operation hand wheel can drive the extension rod 61 to rotate.
More specifically, in this embodiment, the reversing connection piece 62 includes a first bevel gear 621 and a second bevel gear 622, where the first bevel gear 621 is coaxially and fixedly connected to the valve rod of the service valve 5, the second bevel gear 622 is coaxially and fixedly connected to the bottom end of the extension rod 61, and the first bevel gear 621 and the second bevel gear 622 are meshed with each other, and when the extension rod 61 rotates, the first bevel gear 621 is driven to rotate, so that the second bevel gear 622 and the valve rod of the service valve 5 rotate, and the service valve 5 is opened and closed.
In another possible embodiment, the extension bar 61 adopts a worm, the reversing connection piece 62 comprises a worm wheel, the worm wheel is coaxially and fixedly connected to the valve rod of the service valve 5, the worm is meshed with the worm wheel, and when the worm rotates, the worm wheel and the valve rod of the service valve 5 can be driven to rotate so as to realize the opening and closing of the service valve 5.
It is to be understood that the terms "comprises" and "comprising," as used in this specification, mean the presence of the disclosed function, operation, or element, and is not limited to one or more additional functions, operations, and elements. In the present application, terms such as "comprising" and/or "having" may be construed to mean a particular feature, number, operation, constituent element, component, or combination thereof, but may not be construed to exclude the presence or addition of one or more other features, numbers, operations, constituent elements, components, or combination thereof.
It should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.
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 application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the application and is not intended to limit the application, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the application are intended to be included within the scope of the application.
Claims (9)
1. An emergency shut-off air valve well, characterized by comprising
The well cover (2) is arranged at the well mouth of the valve well body (1);
The device comprises at least one conveying pipeline (3), wherein an air valve (4) is arranged on the conveying pipeline (3), a maintenance valve (5) is fixedly connected between the air valve (4) and the conveying pipeline (3), and the air valve (4) is communicated with the conveying pipeline (3) through the maintenance valve (5);
The control assembly (6) is used for driving the overhaul valve (5) to open and close, and the control assembly (6) extends to the wellhead of the valve well body (1) and is positioned below the well cover (2).
2. Emergency shutdown air valve well as in claim 1, characterized in that the service valve (5) is a gate valve or a ball valve.
3. Emergency shutdown air valve well as in claim 2, characterized in that the valve stem of the service valve (5) is arranged in a horizontal direction and the control assembly (6) is arranged in a vertical direction and connected to the valve stem of the service valve (5).
4. An emergency shutdown air valve well as in claim 3, wherein the control assembly (6) comprises an extension rod (61) and a reversing connector (62), wherein the extension rod (61) is vertically arranged and is rotatably connected to the service valve (5) by taking the axis thereof as a rotation axis, the bottom end of the extension rod (61) is connected with the valve rod of the service valve (5) by the reversing connector (62), and the extension rod (61) rotates to drive the valve rod of the service valve (5) to rotate by taking the axis thereof as the rotation axis.
5. The emergency shutdown air valve well of claim 4, wherein the reversing connection (62) comprises a first bevel gear (621) and a second bevel gear (622), the first bevel gear (621) being fixedly connected coaxially to the valve stem of the service valve (5), the second bevel gear (622) being fixedly connected coaxially to the bottom end of the extension rod (61), the first bevel gear (621) and the second bevel gear (622) being intermeshed.
6. The emergency shutdown air valve well of claim 4 wherein the extension rod (61) is a worm and the reversing connection (62) comprises a worm gear coaxially and fixedly connected to the valve stem of the service valve (5), the worm being meshed with the worm gear.
7. Emergency shutdown air valve well as in claim 4, characterized in that the top end of the extension rod (61) extends to the wellhead of the valve well body (1).
8. The emergency shutdown air valve well of claim 7 wherein the control assembly (6) further comprises an operating handwheel (63), the operating handwheel (63) being fixedly connected coaxially to the top end of the extension rod (61).
9. Emergency shutdown air valve well as in any of claims 1-8, wherein the control assembly (6) is located at an eccentric position of the valve well body (1) wellhead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422845015.XU CN223386680U (en) | 2024-11-21 | 2024-11-21 | Emergency shut-off air valve well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422845015.XU CN223386680U (en) | 2024-11-21 | 2024-11-21 | Emergency shut-off air valve well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223386680U true CN223386680U (en) | 2025-09-26 |
Family
ID=97134543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422845015.XU Active CN223386680U (en) | 2024-11-21 | 2024-11-21 | Emergency shut-off air valve well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223386680U (en) |
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2024
- 2024-11-21 CN CN202422845015.XU patent/CN223386680U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |