CN211114035U - Adjustable flexible cut-off device - Google Patents
Adjustable flexible cut-off device Download PDFInfo
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- CN211114035U CN211114035U CN201920927092.6U CN201920927092U CN211114035U CN 211114035 U CN211114035 U CN 211114035U CN 201920927092 U CN201920927092 U CN 201920927092U CN 211114035 U CN211114035 U CN 211114035U
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- rubber lining
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- rubber
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Abstract
The utility model discloses a flexible cut-off equipment with adjustable, include: the device comprises a shell, wherein a flow passage penetrating through the axis of the shell is arranged in the shell; the shell is sleeved outside the rubber lining, the rubber lining is positioned outside the flow passage, the cross section of the rubber lining is arc-shaped, a chargeable cavity is formed between part of the inner wall of the shell and the outer wall of the rubber lining, and the shell is provided with an inlet and outlet hole which is communicated with the chargeable cavity; when the inflatable cavity is filled with the medium, the rubber lining at the position of the inflatable cavity deforms towards one side far away from the cavity, and the flow channel is reduced to be cut off. The utility model discloses well control can control the height that dams of rubber inside lining, simple structure, application scope are wide.
Description
Technical Field
The utility model relates to a drainage system technical field, concretely relates to flexible cut-off equipment with adjustable.
Background
The application number is CN200820044904.4, Chinese patent who names a pneumatic tube presss from both sides valve discloses a pneumatic tube presss from both sides valve, contains valve body, pipe clamp rubber tube, is equipped with the air inlet on the valve body, and the valve body passes through upper and lower flange with pipe clamp rubber tube fixed mounting in the valve body, forms between pipe clamp rubber tube and the valve body and aerifys the chamber, when aerifing the chamber, the pipe clamp valve is closed, aerifys the chamber gassing, and the pipe clamp valve is opened. At present, the pipe clamp rubber pipe with a small caliber can realize two-point deformation closing under air pressure, and the pipe clamp rubber pipe with a large caliber (more than DN 400) can realize three-point or four-point deformation closing under air pressure. However, no matter how the pipe is deformed, the pipe clamp rubber pipe is symmetrically deformed at two points or more, so that the pipe clamp rubber pipe is completely closed in the middle of the flow channel, and water flow is blocked. The pipe clamp rubber pipe with the structure can only realize two states of opening or completely closing. Although the opening of the pneumatic pipe clamp valve can be controlled by controlling the pressurizing size, the whole pipe clamp rubber pipe is in a deformation state under the action of air pressure, the relation between the size of the cross section of the pipeline and the pressure is difficult to calculate and control the opening, and the interception height cannot be controlled, so that the pneumatic pipe clamp valve in the prior art is mostly applied to a water supply system.
The positions of a diversion well, a discharge port, an inlet of a regulating and storing tank, a sewage interception pipe and the like of the drainage system need to be subjected to interception control or backflow prevention, so that the pneumatic pipe valve is difficult to apply to the drainage system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of above-mentioned background art, provide a flexible cut-off equipment with adjustable, can carry out the altitude control that dams, simple structure, application scope are wide.
The utility model provides a flexible cut-off equipment with adjustable, include:
the device comprises a shell, wherein a flow passage penetrating through the axis of the shell is arranged in the shell;
the shell is sleeved outside the rubber lining, the rubber lining is positioned outside the flow channel, the cross section of the rubber lining is arc-shaped, a chargeable cavity is formed between part of the inner wall of the shell and the outer wall of the rubber lining, and the shell is provided with an inlet and outlet hole which is communicated with the chargeable cavity;
when the inflatable cavity is filled with the medium, the rubber lining at the position of the inflatable cavity deforms towards one side far away from the cavity, and the flow channel is reduced to be cut off.
On the basis of the technical scheme, the rubber lining is in a semi-cylindrical groove shape, and two side edges and end parts of the rubber lining are respectively connected with the shell in a sealing mode.
On the basis of the technical scheme, the shell is formed by combining a first shell and a second shell, butt joint press edges are arranged on the first shell and the second shell, and the edge of the rubber lining, which is axially arranged, is fixed between the press edges of the first shell and the second shell.
On the basis of the technical scheme, the end part of the rubber lining is provided with an outer edge, and the end part of the shell is connected with the outer edge in a sealing mode.
On the basis of the technical scheme, the rubber lining is arranged in the second shell, and the outer surface of the rubber lining and the inner surface of the second shell are enclosed to form the inflatable cavity.
On the basis of the technical scheme, the second shell comprises an outer sleeve and a gland, and the outer edge is fixed by the end part of the outer sleeve and the gland in a sealing mode.
The shell is formed by combining a first shell and a second shell into a cylindrical structure.
On the basis of the technical scheme, the medium is air pressure, oil pressure or water pressure.
Compared with the prior art, the utility model has the advantages as follows:
(1) the utility model relates to a be formed with between flexible cut-off equipment's with adjustable rubber inside lining and the casing and can fill the cavity, can fill the cavity and not the closed contour of completion, consequently, fill water or aerify or fill the oil pressure when can filling the cavity in, the rubber inside lining that is located can fill the cavity side warp to the opposite side, is unilateral deformation. Not only have prior art and switch on and function, can also use as adjusting the weir, aerify the rubber inside lining after the deformation and be equivalent to one and can height-adjusting's adjusting weir, when the water level rises to more than the height that dams, the rainwater can overflow from the top. Therefore, the accumulated mud at the bottom of the pipeline or the accumulated mud in the diversion well can be intercepted, and the accumulated mud at the bottom is prevented from entering the natural water body along with rainwater to pollute the natural water body. In addition, the water level adjusting device is used at the water outlet, the interception height of the rubber lining can be adjusted according to the natural water level condition, the natural water body is prevented from flowing backwards, and the overflow from the top of the rubber lining does not influence flood discharge when the natural water body flows backwards.
(2) The utility model relates to a flexible cut-off equipment's with adjustable rubber lining's cross-section is the arc like semi-circle, and when rubber lining warp to the opposite side, direct and the sealed circulation that ends of shells inner wall contact, practice thrift the cost, simple structure, easy to assemble.
(3) The utility model relates to a shell structure among flexible cut-off equipment with adjustable is to closing for two halfbodies and is a body structure, both ends and butt joint position department and rubber inside lining sealing connection, easy operation, easy to assemble.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a cross-sectional view of the utility model after being filled with the medium.
Fig. 4 is a partial enlarged view of fig. 2 at K.
Reference numerals: 1-shell, 10-flow channel, 11-first shell, 12-second shell, 13-edge pressing, 14-outer sleeve, 15-gland, 2-rubber lining, 20-edge, 21-outer edge, 3-inflatable cavity,
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, 2, 3 and 4, the utility model provides an adjustable flexible cut-off device, including: the device comprises a shell 1 and a rubber lining 2, wherein a flow channel 10 penetrating through the axis of the shell 1 is arranged in the shell 1, the shell 1 is sleeved outside the rubber lining 2, the rubber lining 2 is positioned outside the flow channel 10, a chargeable cavity 3 is formed between part of the inner wall of the shell 1 and at least part of the outer wall of the rubber lining 2, the inner wall circumference of the shell 1 at the position of the chargeable cavity 3 is smaller than the inner wall circumference of the shell 1 along the cross-sectional direction of the shell 1, an inlet and outlet hole is formed in the shell 1 and is communicated with the chargeable cavity 3, the inlet and outlet hole in the embodiment can be a single hole or double holes, when the single hole is arranged, two branches are arranged on a conveying pipeline, one branch is used for inlet, and;
when the inflatable cavity 3 is inflated or filled with water, the rubber lining 2 at the position of the inflatable cavity 3 deforms towards one side far away from the cavity 3, and the flow channel 10 is reduced to be cut off.
Referring to fig. 2 and 3, the cross section of the rubber liner 2 in this embodiment is arc-shaped, specifically semicircular, the rubber liner 2 is a semi-cylindrical groove shape, two sides of the rubber liner 2 are provided with edges 21 along the axial direction, and two ends are provided with outer edges 21. The housing 1 in this embodiment is a cylinder formed by combining a first housing 11 and a second housing 12, wherein the first housing 11 and the second housing 12 are semi-cylinders arranged in a radial direction, the first housing 11 and the second housing 12 are both provided with butt-joint press-fitting edges 13, and an edge 20 of the rubber lining 2 in an axial direction is fixed between the press-fitting edges 13 of the first housing 11 and the second housing 12. Referring to fig. 4, the second casing 12 of the present embodiment has a step of an outer edge 21 for installation, and the second casing 12 includes an outer casing 13 and a gland 14 for sealing and connecting an end flange of the rubber liner 2 with the step of the outer casing 13, and has a simple structure and is easy to install.
In this embodiment, the inner surface of the rubber lining 2 and the inner surface of the first housing 11 together enclose a flow channel 10, when the rubber lining 2 is filled with a medium, the rubber lining 2 deforms, and when the flow channel 10 is in a cut-off state, the rubber lining 2 is hermetically connected with the inner surface of the first housing 11. The rubber material usage of the rubber lining 2 in this embodiment is less, the material is saved, the cost is reduced, and the butt joint installation mode of the first shell 11 and the second shell 12 is simple and easy to operate.
In this embodiment user state, can fill cavity 3 and be located the lower half of casing 1, when can fill cavity 3 and aerify or fill media such as water or oil, enclose to close and be the rubber inside lining 2 that can fill cavity 3 and take place deformation, according to the use needs, can fill into the medium of certain pressure, as shown in fig. 3, this part rubber inside lining 2 can upwards close the circulation passageway from the bottom gradually, not only can control the switching on and the ending of circulation passageway, can also carry out flow control, the overflow, prevent flowing backward etc, this embodiment simple structure, convenient operation, the function is various, wide application scope.
In this embodiment, to adjust the flow rate in the flow channel 10, the height of the rubber liner 2 after being inflated or filled with water may be controlled, the flow channel 10 is intercepted from the bottom, and the upper portion of the flow channel 10 at the position where the flow channel is located maintains flow.
After the inflatable cavity 3 in this embodiment is inflated or filled with water, the rubber lining 2 enclosing the inflatable cavity 3 is equivalent to an overflow weir, and when the height of the water flow at the upstream exceeds the intercepting height of the rubber lining 2, the water flows from the top of the rubber lining 2 to the downstream, and in addition, the rubber lining 2 intercepts the accumulated mud at the bottom of the pipeline or the accumulated mud in the diversion well, so that the accumulated mud at the bottom is prevented from entering the natural water body along with the water flow, and the pollution to the natural water body is avoided. And when the natural water body liquid level was higher, still had the function of preventing flowing backward, guaranteed that rubber liner 2 highly is higher than the liquid level height of natural water body, like this moment when the water level of upper reaches is higher than the interception height of rubber liner 2, can also overflow to low reaches from the top of rubber liner 2, under the condition that does not influence the flood discharge, prevent flowing backward.
The utility model discloses a theory of operation: the utility model discloses an adjustable flexible cut-off equipment installs in the reposition of redundant personnel well, row's mouth or pipeline, adjustable flexible cut-off equipment's import links to each other with gas station or water station or oil station through gas transmission pipeline or water pipeline or oil pipeline, adjustable flexible cut-off equipment fills atmospheric pressure, water pressure or oil pressure, rubber lining 2's the one-way deformation that takes place of flexible part, the sectional area that upwards risees circulation passageway 10 gradually diminishes from the bottom, except can opening or closing the function, can also carry out flow control according to the in-service use demand, control overflow perhaps prevents the operation such as flowing backward.
Various modifications and variations of the embodiments of the present invention may be made by those skilled in the art, and they are within the scope of the present invention provided they are within the scope of the claims and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (8)
1. An adjustable flexible cut-off device, characterized by comprising:
the device comprises a shell (1), wherein a flow channel (10) penetrating through the axis of the shell (1) is arranged in the shell (1);
the rubber lining (2) is sleeved outside the rubber lining (2), the rubber lining (2) is located outside the circulation channel (10), the cross section of the rubber lining (2) is arc-shaped, a chargeable cavity (3) is formed between part of the inner wall of the shell (1) and the outer wall of the rubber lining (2), and an inlet and outlet hole is formed in the shell (1) and communicated with the chargeable cavity (3);
when the inflatable cavity (3) is filled with a medium, the rubber lining (2) at the position of the inflatable cavity (3) deforms towards one side far away from the cavity (3), and the flow channel (10) is reduced to be cut off.
2. The adjustable flexible cut-off device as claimed in claim 1, wherein:
the rubber lining (2) is a semi-cylindrical groove type, and two side edges and end parts of the rubber lining (2) are respectively connected with the shell (1) in a sealing manner.
3. The adjustable flexible cut-off device as claimed in claim 2, wherein:
the shell (1) is formed by combining a first shell (11) and a second shell (12), butt joint press edges (13) are arranged on the first shell (11) and the second shell (12), and edges (20) of the rubber lining (2) which are axially arranged are fixed between the press edges (13) of the first shell (11) and the second shell (12).
4. An adjustable flexible stop device according to claim 3, wherein:
the end part of the rubber lining (2) is provided with an outer edge (21), and the end part of the shell (1) is connected with the outer edge (21) in a sealing mode.
5. The adjustable flexible cut-off device as claimed in claim 4, wherein:
the rubber lining (2) is arranged in the second shell (12), and the outer surface of the rubber lining (2) and the inner surface of the second shell (12) enclose the inflatable cavity (3).
6. The adjustable flexible cut-off device as claimed in claim 5, wherein:
the second shell (12) comprises an outer sleeve (14) and a gland (15), and the outer edge (21) is hermetically fixed by the end of the outer sleeve (14) and the gland (15).
7. The adjustable flexible cut-off device as claimed in claim 2, wherein:
the shell (1) is formed by combining a first shell (11) and a second shell (12) into a cylindrical structure.
8. The adjustable flexible cut-off device as claimed in claim 2, wherein:
the medium is air pressure, oil pressure or water pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920927092.6U CN211114035U (en) | 2019-06-19 | 2019-06-19 | Adjustable flexible cut-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920927092.6U CN211114035U (en) | 2019-06-19 | 2019-06-19 | Adjustable flexible cut-off device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211114035U true CN211114035U (en) | 2020-07-28 |
Family
ID=71699462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920927092.6U Active CN211114035U (en) | 2019-06-19 | 2019-06-19 | Adjustable flexible cut-off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211114035U (en) |
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2019
- 2019-06-19 CN CN201920927092.6U patent/CN211114035U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 509 Weihu Road, Shamao Street, Hannan District, Wuhan City, Hubei Province, 430090 Patentee after: Wuhan Shengyu Smart Ecological Environmental Protection Co.,Ltd. Address before: 430056 3rd floor, workshop 1, No. 189, North Qianli Road, Wuhan Economic and Technological Development Zone, Hubei Province Patentee before: WUHAN SHENGYU DRAINAGE SYSTEM Co.,Ltd. |