WO2020253700A1 - 一种可调式柔性截流装置 - Google Patents

一种可调式柔性截流装置 Download PDF

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Publication number
WO2020253700A1
WO2020253700A1 PCT/CN2020/096466 CN2020096466W WO2020253700A1 WO 2020253700 A1 WO2020253700 A1 WO 2020253700A1 CN 2020096466 W CN2020096466 W CN 2020096466W WO 2020253700 A1 WO2020253700 A1 WO 2020253700A1
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Prior art keywords
rubber lining
shell
housing
adjustable flexible
rubber
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PCT/CN2020/096466
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English (en)
French (fr)
Inventor
周超
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武汉圣禹排水系统有限公司
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Publication of WO2020253700A1 publication Critical patent/WO2020253700A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/042—Arrangements of means against overflow of water, backing-up from the drain
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E03F7/02—Shut-off devices
    • E03F7/04—Valves for preventing return flow
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • 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
    • F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • F16K7/02—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm
    • F16K7/04—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force

Definitions

  • the invention relates to the technical field of drainage systems, in particular to an adjustable flexible interception device.
  • a pneumatic pinch valve discloses a pneumatic pinch valve, which includes a valve body and a pipe clamp rubber tube.
  • the valve body is provided with an air inlet and the valve body passes through the upper and lower sides.
  • the flange fixes the tube clamp rubber tube in the valve body, and an inflatable cavity is formed between the tube clamp rubber tube and the valve body.
  • the tube clamp valve is closed, the inflation chamber is deflated, and the tube clamp valve is opened.
  • the small-diameter tube clamp rubber tube can realize two-point deformation closing under air pressure
  • the large-diameter (DN400 and above) tube clamp rubber tube can achieve three-point or four-point deformation closing under air pressure.
  • the rubber tube of the pipe clamp is deformed symmetrically at two or more points, forming a complete closure in the middle of the flow channel, blocking the water flow.
  • the tube clamp rubber tube with this structure can only realize two states of opening or completely closing.
  • the opening degree of the pneumatic pipe clamp valve can be controlled by controlling the filling pressure, because the entire pipe clamp rubber tube under the action of air pressure is in a deformed state, the relationship between the pipe section size and the pressure is difficult to calculate and control the opening degree.
  • the interception height cannot be controlled either. Therefore, the prior art pneumatic pinch valves are mostly used in water supply systems.
  • the diversion well, the discharge port, the inlet of the storage tank, the interception pipe and other positions need to be intercepted or controlled. Therefore, the above pneumatic pipe valve valve is difficult to apply to the drainage system.
  • the purpose of the present invention is to overcome the shortcomings of the above-mentioned background technology and provide an adjustable flexible closure device, which can control the closure height, has a simple structure and a wide application range.
  • the present invention provides an adjustable flexible shut-off device, which includes: a housing with a circulation channel penetrating its axis; a rubber lining; the housing is sleeved outside the rubber lining, and the rubber
  • the inner lining is located outside the circulation channel, the cross-sectional shape of the rubber lining is arc, and an inflatable cavity is formed between a part of the inner wall of the shell and the outer wall of the rubber lining, and There are inlet and outlet holes, the inlet and outlet holes communicate with the inflatable cavity; when the inflatable cavity is filled with medium, the rubber lining at the position of the inflatable cavity faces away from the cavity One side is deformed, and the flow channel becomes smaller to cut off.
  • the rubber lining is a semi-cylindrical groove type, and the two sides and ends of the rubber lining are respectively connected to the shell in a sealed manner.
  • the shell is formed by a first shell and a second shell, and the first shell and the second shell are both provided with butting crimping edges, the rubber
  • the edge of the inner liner arranged in the axial direction is fixed between the pressing edges of the first shell and the second shell.
  • the end of the rubber lining is provided with an outer edge, and the end of the shell is sealed to the outer edge.
  • the rubber lining is installed in the second casing, and the outer surface of the rubber lining and the inner surface of the second casing enclose the inflatable cavity.
  • the second housing includes an outer sleeve and a gland, and the outer edge is sealed and fixed by an end of the outer sleeve and the gland.
  • the casing consists of a first casing and a second casing to form a cylindrical structure.
  • the medium is air pressure, oil pressure or water pressure.
  • An inflatable cavity is formed between the rubber lining and the shell of an adjustable flexible shut-off device of the present invention.
  • the inflatable cavity is not a completed closed circumference. Therefore, when the inflatable cavity is filled with water or inflated Or when filling with oil pressure, the rubber lining on the side of the inflatable cavity deforms to the other side, which is a unilateral deformation. It not only has the function of on and off in the prior art, but also can be used as an adjustment weir.
  • the inflated and deformed rubber lining is equivalent to a height adjustment weir. When the water level rises above the interception height, rainwater can be carried from above overflow.
  • it is used at the drainage outlet to adjust the interception height of the rubber lining according to the natural water level to prevent the natural water body from backfilling. While preventing backfilling, overflowing from the top of the rubber lining does not affect flood passage.
  • the cross section of the rubber lining of the adjustable flexible shutoff device of the present invention is arc-shaped, such as a semicircle. When the rubber lining is deformed to the other side, it directly contacts the inner wall of the shell to seal and cut off the flow, saving cost and structure Simple and convenient to install.
  • the shell structure of the adjustable flexible shut-off device of the present invention is that two halves are joined to form an integral structure, and the two ends and the docking position are sealed and connected with the rubber lining, which is simple to operate and convenient to install.
  • Figure 1 is a cross-sectional view of the present invention.
  • Fig. 2 is a cross-sectional view of A-A in Fig. 1.
  • Figure 3 is a cross-sectional view of the present invention after being filled with media.
  • Fig. 4 is a partial enlarged view of K in Fig. 2.
  • the present invention provides an adjustable flexible shut-off device, including: a shell 1 and a rubber lining 2, the shell 1 is provided with a circulation channel 10 through its axis
  • the shell 1 is sleeved outside the rubber lining 2, the rubber lining 2 is located outside the circulation channel 10, and a part of the inner wall of the shell 1 and at least part of the outer wall of the rubber lining 2 form an inflatable cavity 3 along the shell
  • the cross-sectional direction of the body 1, the inner wall circumference of the casing 1 where the inflatable cavity 3 is located is smaller than the inner wall circumference of the casing 1, and the casing 1 is provided with inlet and outlet holes, which communicate with the inflatable cavity 3.
  • the inlet and outlet holes in this embodiment can be single or double holes.
  • the cross section of the rubber lining 2 in this embodiment is arc-shaped, specifically a semicircular shape, the rubber lining 2 is a semi-cylindrical groove type, and the rubber lining 2 is formed along the axial direction. Edges 21 are provided on both sides, and outer edges 21 are provided on both ends.
  • the housing 1 in this embodiment is a cylindrical shape formed by a first housing 11 and a second housing 12, wherein the first housing 11 and the second housing 12 are semi-cylindrical shapes arranged radially,
  • the first shell 11 and the second shell 12 are both provided with a butting crimping edge 13, and the edge 20 of the rubber lining 2 in the axial direction is fixed between the crimping edge 13 of the first shell 11 and the second shell 12 .
  • the second housing 12 in this embodiment has a step of the outer edge 21 for installation.
  • the second housing 12 includes an outer housing 13 and a gland 14. The gland connects the end of the rubber lining 2
  • the flange and the end of the outer shell 13 are step-sealed and connected, with a simple structure and convenient installation.
  • the inner surface of the rubber lining 2 and the inner surface of the first housing 11 jointly enclose a circulation channel 10.
  • the rubber lining 2 is filled with a medium, the rubber lining 2 is deformed and the circulation channel 10 is blocked.
  • the rubber inner liner 2 is in sealed connection with the inner surface of the first housing 11.
  • the rubber material of the rubber lining 2 is used in a small amount, which saves materials and reduces costs, and the docking installation method of the first shell 11 and the second shell 12 is simple and easy to operate.
  • the inflatable cavity 3 is located in the lower half of the housing 1.
  • the inflatable cavity 3 When the inflatable cavity 3 is inflated or filled with water or oil, it encloses the rubber lining of the inflatable cavity 3 2 Deformation occurs, according to the needs of use, it can be filled with a certain pressure medium. As shown in Figure 3, this part of the rubber lining 2 can gradually close the circulation channel from the bottom up, which can not only control the conduction and cut-off of the circulation channel, but also For flow adjustment, overflow, backflow prevention, etc., this embodiment has a simple structure, convenient operation, diverse functions and a wide range of applications.
  • the circulation channel 10 to adjust the flow in the circulation channel 10, it can be controlled by controlling the height of the rubber lining 2 after inflation or water filling.
  • the circulation channel 10 is intercepted from the bottom, and the upper part of the circulation channel 10 at its location maintains circulation.
  • the rubber lining 2 enclosing the inflatable cavity 3 is equivalent to an overflow weir.
  • the upstream water flow height exceeds the interception height of the rubber lining 2
  • the rubber lining 2 intercepts the sludge at the bottom of the pipeline or the sludge in the diversion well to prevent the sludge at the bottom from entering the natural water body with the water flow, causing damage to the natural water body. Pollution.
  • the natural water level is high, it also has the function of preventing backflow, ensuring that the height of the rubber lining 2 is higher than the height of the natural water body.
  • the upstream water level is higher than the interception height of the rubber lining 2
  • the It can overflow from the top of the rubber lining 2 to the downstream to prevent backflow without affecting the flood discharge.
  • the adjustable flexible interception device of the present invention is installed in a diversion well, a drain or a pipeline, and the inlet of the adjustable flexible interception device passes through a gas pipeline, a water pipeline, or an oil pipeline, and a gas station or a water station or The oil station is connected, and the adjustable flexible shut-off device is filled with air, water or oil pressure.
  • the deformable part of the rubber lining 2 deforms unidirectionally.
  • the cross-sectional area of the circulation channel 10 becomes smaller as it gradually rises from the bottom. In addition to opening or closing the function, you can also adjust the flow rate according to actual usage requirements, control overflow or prevent backflow and other operations.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Pipe Accessories (AREA)
  • Barrages (AREA)

Abstract

本发明公开了一种可调式柔性截流装置，包括：壳体，壳体内设有贯穿其轴线的流通通道；橡胶内衬，壳体套设于橡胶内衬外，橡胶内衬位于流通通道外，橡胶内衬的截面形状为弧形，且壳体的部分内壁与橡胶内衬的外壁之间形成可充腔体，壳体上设有进出孔，进出孔与可充腔体连通；当可充腔体充介质时，可充腔体位置处的橡胶内衬向远离腔体的一侧形变，流通通道变小至截止。本发明中控制能够控制橡胶内衬的截流高度，结构简单、适用范围广。

Description

一种可调式柔性截流装置
相关申请的交叉引用
本申请要求于2019年6月19日提交、申请号为201910533239.8且名称为“一种可调式柔性截流装置”的中国专利申请的优先权，其全部内容通过引用合并于此。
技术领域
本发明涉及排水系统技术领域，具体涉及一种可调式柔性截流装置。
背景技术
申请号为CN200820044904.4，名称一种气动管夹阀的中国专利公开了一种气动管夹阀，包含阀体、管夹橡胶管，阀体上设有进气口，阀体通过上、下法兰将管夹橡胶管固定安装在阀体内，管夹橡胶管与阀体之间形成充气腔，当充气腔充气时，管夹阀关闭，充气腔放气，管夹阀打开。目前，小口径的管夹橡胶管在气压下可以实现两点变形关闭，大口径(DN400以上)的管夹橡胶管在气压下可以实现三点或四点变形关闭。但不管怎么变形，都是管夹橡胶管两点或多点对称变形，在流道的中间形成完全关闭，阻断水流。此种结构的管夹橡胶管只能实现开启或者完全关闭两种状态。虽然可以通过控制充压大小控制气动管夹阀的开度，但是由于气压作用下的整个管夹橡胶管均处于形变状态，管道截面大小与压力之间的关系很难计算并进行开度控制，也不能控制截流高度，因此，现有技术的气动管夹阀多应用在给水系统中。
在排水系统的分流井、排口、调蓄池入口、截污管等位置处需要进行截流控制或者防倒灌，因此，上述气动管阀阀很难应用在排水系统中。
发明内容
本发明的目的是为了克服上述背景技术的不足，提供一种可调式柔性截流装置，能够进行截流高度控制，结构简单、适用范围广。
本发明提供一种可调式柔性截流装置，包括：壳体，所述壳体内设有贯穿其轴线的流通通道；橡胶内衬，所述壳体套设于所述橡胶内衬外，所述橡胶内衬位于所述流通通道外，所述橡胶内衬的截面形状为弧形，且所述壳体的部分内壁与所述橡胶内衬的外壁之间形成可充腔体，所述壳体上设有进出孔，所述进出孔与所述可充腔体连通；当所述可充腔体充介质时，所述可充腔体位置处的所述橡胶内衬向远离所述腔体的一侧形变，所述流通通道变小至截止。在上述技术方案的基础上，所述橡胶内衬为半圆筒状槽型，橡胶内衬的两侧边和端部分别与所述壳体密封连接。
在上述技术方案的基础上，所述壳体由第一壳体和第二壳体对合而成，且所述第一壳体和第二壳体均设有对接的压边，所述橡胶内衬沿轴向设置的边沿固定于所述第一壳体和第二壳体的压边之间。
在上述技术方案的基础上，所述橡胶内衬的端部设有外边缘，所述壳体的端部与所述外边缘密封连接。
在上述技术方案的基础上，所述橡胶内衬安装于所述第二壳体内，所述橡胶内衬的外表面与所述第二壳体的内表面围合呈所述可充腔体。
在上述技术方案的基础上，所述第二壳体包括外套筒和压盖，所述外边缘通过所述外套筒的端部和所述压盖密封固定。
所述壳体由第一壳体和第二壳体对合成圆筒状结构。
在上述技术方案的基础上，所述介质为气压、油压或水压。
与现有技术相比，本发明的优点如下：
(1)本发明一种可调式柔性截流装置的橡胶内衬与壳体之间形成有可充腔体，可充腔体不是完成的闭合周线，因此，当可充腔体内充水或者充气或者充油压时，位于可充腔体侧的橡胶内衬向另一侧变形，为 单边变形。不仅具有现有技术导通和截止的功能，还可以当做调节堰使用，充气变形后的橡胶内衬相当于一座可以调节高度的调节堰，当水位上升至截流高度以上时，雨水可以从上面进行溢流。这样可以拦截管道底部的积泥或者分流井内的积泥，防止底部的积泥随雨水进入自然水体，对自然水体造成污染。另外用在排水口处，能够根据自然水位情况，调节橡胶内衬的截流高度，防止自然水体的倒灌，在防倒灌的同时从橡胶内衬顶部溢流不影响行洪。
(2)本发明一种可调式柔性截流装置的橡胶内衬的截面为弧形如半圆形，橡胶内衬向另一侧变形时，直接与壳体内壁接触密封截止流通，节约成本，结构简单、方便安装。
(3)本发明一种可调式柔性截流装置中的壳体结构为两个半体对合呈一体结构，两端和对接位置处与橡胶内衬密封连接，操作简单，方便安装。
附图说明
图1为本发明的剖视图。
图2为图1中A-A剖视图。
图3为本发明充入介质后的剖视图。
图4为图2中K处的局部放大图。
附图标记：1-壳体，10-流通通道，11-第一壳体，12-第二壳体，13-压边，14-外套筒，15-压盖，2-橡胶内衬，20-边沿，21-外边缘，3-可充腔体。
具体实施方式
下面结合附图及具体实施例对本发明作进一步的详细描述。
参见图1、图2、图3和图4所示，本发明提供一种可调式柔性截流装置，包括：壳体1和橡胶内衬2，壳体1内设有贯穿其轴线的流通通道10，壳体1套设于橡胶内衬2外，橡胶内衬2位于流通通道10外，且 壳体1的部分内壁与橡胶内衬2的至少部分外壁之间形成可充腔体3，沿壳体1的截面方向，可充腔体3所在位置处的壳体1的内壁周线小于壳体1的内壁周线，壳体1上设有进出孔，进出孔与可充腔体3连通，本实施例中的进出孔可以为单孔或者双孔，当设置单孔时，在输送管路上设置两支路，一路用于进，一路用于出；当可充腔体3充气或者充水时，可充腔体3位置处的橡胶内衬2向远离腔体3的一侧形变，流通通道10变小至截止。
参见图2和图3所示，本实施例中的橡胶内衬2的截面呈弧形，具体为半圆形，橡胶内衬2为半圆筒状的槽型，沿轴向橡胶内衬2的两侧设置有边沿21，两端设有外边缘21。本实施例中的壳体1由第一壳体11和第二壳体12对合而成的圆筒状，其中第一壳体11和第二壳体12为径向设置的半圆筒状，且第一壳体11和第二壳体12均设有对接的压边13，橡胶内衬2沿轴向的边沿20固定于第一壳体11和第二壳体12的压边13之间。参见图4所示，本实施例中第二壳体12具有用于安装的外边缘21的台阶，第二壳体12包括外壳体13和压盖14，,压盖将橡胶内衬2的端部凸缘与外壳体13的端部台阶密封连接，结构简单，安装方便。
本实施例中橡胶内衬2的内表面与第一壳体11的内表面共同围合呈流通通道10，当橡胶内衬2充入介质时，橡胶内衬2变形，流通通道10截止状态下，橡胶内衬2与第一壳体11的内表面密封连接。本实施例中的橡胶内衬2的橡胶材料使用量较少，节约材料，降低成本，且第一壳体11和第二壳体12的对接安装方式简单易操作。
本实施例使用状态下，可充腔体3位于壳体1的下半部，当可充腔体3充气或者充水或者充油等介质时，围合呈可充腔体3的橡胶内衬2发生形变，根据使用需要，可以充入一定压力的介质，如图3所示，该部分橡胶内衬2可以从底部向上逐渐关闭流通通道，不仅可以控制流通通道的导通和截止，还可以进行流量调节、溢流、防倒灌等，本实施例结构简单，操作方便，功能多样，适用范围广。
本实施例中为调节流通通道10内的流量，可以通过控制橡胶内衬2充气或充水后的高度来控制，从底部拦截流通通道10，其所在位置处的流通通道10的上部保持流通。
本实施例中的可充腔体3充气或充水后，围合呈可充腔体3的橡胶内衬2相当于溢流堰，当其上游的水流高度超过该橡胶内衬2的拦截高度时，从该橡胶内衬2的顶部溢流到下游，此外，该橡胶内衬2拦截管道底部的积泥或者分流井内的积泥，防止底部的积泥随水流进入自然水体，对自然水体造成污染。且当自然水体液位较高时，还具有防倒灌功能，保证橡胶内衬2的高度高于自然水体的液位高度，此时如上游的水位高于橡胶内衬2的拦截高度时，还可以从橡胶内衬2的顶部溢流至下游，在不影响行洪的情况，进行防倒灌。
本发明的工作原理：本发明的可调柔性截流装置安装在分流井、排口或者管道中，可调柔性截流装置的进口通过输气管道或输水管道或输油管道与气站或者水站或者油站相连，可调柔性截流装置充入气压、水压或油压，橡胶内衬2的可变形部分单向发生形变，从底部向上逐渐升高流通通道10的截面积变小，除可以进行开启或者关闭功能外，还可以根据实际使用需求进行流量调节，控制溢流或者防倒灌等操作。
本领域的技术人员可以对本发明实施例进行各种修改和变型，倘若这些修改和变型在本发明权利要求及其等同技术的范围之内，则这些修改和变型也在本发明的保护范围之内。
说明书中未详细描述的内容为本领域技术人员公知的现有技术。

Claims (8)

  1. 一种可调式柔性截流装置，其特征在于，包括：壳体(1)，所述壳体(1)内设有贯穿其轴线的流通通道(10)；橡胶内衬(2)，所述壳体(1)套设于所述橡胶内衬(2)外，所述橡胶内衬(2)位于所述流通通道(10)外，所述橡胶内衬(2)的截面形状为弧形，且所述壳体(1)的部分内壁与所述橡胶内衬(2)的外壁之间形成可充腔体(3)，所述壳体(1)上设有进出孔，所述进出孔与所述可充腔体(3)连通；当所述可充腔体(3)充介质时，所述可充腔体(3)位置处的所述橡胶内衬(2)向远离所述腔体(3)的一侧形变，所述流通通道(10)变小至截止。
  2. 如权利要求1所述的一种可调式柔性截流装置，其特征在于：所述橡胶内衬(2)为半圆筒状槽型，橡胶内衬(2)的两侧边和端部分别与所述壳体(1)密封连接。
  3. 如权利要求2所述的一种可调式柔性截流装置，其特征在于：所述壳体(1)由第一壳体(11)和第二壳体(12)对合而成，且所述第一壳体(11)和第二壳体(12)均设有对接的压边(13)，所述橡胶内衬(2)沿轴向设置的边沿(20)固定于所述第一壳体(11)和第二壳体(12)的压边(13)之间。
  4. 如权利要求3所述的一种可调式柔性截流装置，其特征在于：所述橡胶内衬(2)的端部设有外边缘(21)，所述壳体(1)的端部与所述外边缘(21)密封连接。
  5. 如权利要求4所述的一种可调式柔性截流装置，其特征在于：所述橡胶内衬(2)安装于所述第二壳体(12)内，所述橡胶内衬(2) 的外表面与所述第二壳体(12)的内表面围合呈所述可充腔体(3)。
  6. 如权利要求5所述的一种可调式柔性截流装置，其特征在于：所述第二壳体(12)包括外套筒(13)和压盖(14)，所述外边缘(20)通过所述外套筒(14)的端部和所述压盖(15)密封固定。
  7. 如权利要求2所述的一种可调式柔性截流装置，其特征在于：所述壳体(1)由第一壳体(11)和第二壳体(12)对合成圆筒状结构。
  8. 如权利要求2所述的一种可调式柔性截流装置，其特征在于：
    所述介质为气压、油压或水压。
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