CN209975698U - Flexible cut-off equipment and reposition of redundant personnel well - Google Patents
Flexible cut-off equipment and reposition of redundant personnel well Download PDFInfo
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- CN209975698U CN209975698U CN201821908847.XU CN201821908847U CN209975698U CN 209975698 U CN209975698 U CN 209975698U CN 201821908847 U CN201821908847 U CN 201821908847U CN 209975698 U CN209975698 U CN 209975698U
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Abstract
The utility model discloses a flexible cut-off equipment and reposition of redundant personnel well, wherein, flexible cut-off equipment includes: an elastic sleeve having a flow passage; the outer cover is arranged outside the elastic sleeve, two ends of the elastic sleeve are detachably and hermetically connected with two ends of the outer cover, an air cavity is formed between the inner wall of the outer cover and the outer wall of the elastic sleeve, the air cavity is provided with an air hole, when the air cavity is filled with pressurized air, the elastic sleeve deforms, and the sectional area of the flow channel is reduced; the inner wall of the elastic sleeve is provided with a lining bulge, and at least part of the lining bulge is located at the stop position of the deformed elastic sleeve. The utility model has the advantages of safety, reliability and good sealing effect.
Description
Technical Field
The utility model relates to a municipal works field, concretely relates to flexible cut-off equipment and reposition of redundant personnel well.
Background
At present, in a diversion well, a abandoning well and an intercepting well system, the system is composed of a water inlet pipe, a water outlet pipe and a sewage intercepting pipe, domestic sewage or initial rainwater and later stage rainwater in a drain pipe are diverted, wherein the domestic sewage or the initial rainwater is intercepted to a sewage pipe and then is conveyed to a sewage treatment plant for treatment and then is discharged after reaching the standard (further, the initial rainwater can be stored or intercepted to the sewage treatment plant for treatment and then is discharged after reaching the standard), and the middle and later stage rainwater is directly discharged to a natural water body.
No matter in reality be the rainwater pipe of reposition of redundant personnel system or the confluent pipe of sewer or confluence system, the device that its realization reposition of redundant personnel or dammed all uses gate or weir door to carry out the switch that corresponds outlet pipe and cut off the dirty pipe and switch, and the power supply of gate valve is electricity or hydraulic pressure. However, in reality, the following problems exist in the electric control: 1. flammable and explosive biogas is generally generated in a closed pipeline and a sewage environment, and a general electric control device is easy to explode and unsafe, so that an electric control part in contact with the biogas is required to have an explosion-proof function when the electric control device is applied, and therefore, an electric control system is expensive and high in cost; 2. under the environment of severe stormy weather, the condition of power failure can occur, and equipment in a diversion well, a flow abandoning well or a closure well can not work normally after the power failure, so that the conditions of urban waterlogging and the like can occur; 3. under the condition of heavy rain, the flooding conditions of the diversion well, the abandoning well and the intercepting well are between hours and days, so that the redundancy and the cost are too high by adopting an electric control device which is completely suitable for underwater use, and the flooding capacity of the common electric control device with the IP68 grade is insufficient within hours; 4. the device of the electric control system uses non-safe voltage, and the high voltage is unsafe and easy to have accidents; 5. after the electrical equipment is flooded, the electric leakage is easy to occur, and the electric shock danger exists; 6. the electric control equipment (a gate and a weir gate) needs an upward or downward stroke during operation, the urban ground is exposed, the urban landscape beautiful traffic is influenced, and the excavation area is large during construction; 7. the electric control system uses 380V three-phase power, and a municipal power grid cannot supply power, so that the problem of difficulty in power supply is solved.
Particularly, for the occasion requiring the concealed installation, the power supply and the generated cost of the electric control system are not easy to be solved. Hydraulic control also has certain problems: the hydraulic station uses a high-pressure oil pipe, and the cost of the hydraulic station and the high-pressure oil pipe is high; the high-pressure oil pipe is broken and leaks oil to pollute the environment; after the electrical equipment is flooded, the electric leakage is easy to occur, and the electric shock danger exists; the electric control equipment (the gate and the weir gate) needs an upward or downward stroke during operation, the urban ground is exposed, the urban landscape beautiful traffic is influenced, and the excavation area is large during construction.
In addition, the travel space of the commonly used gate or weir gate is large, the general excavated foundation pit is enlarged, the large construction amount is inconvenient, the later maintenance, disassembly and installation are complex, and the underground environment is severe and dangerous, so that the long-time operation is not suitable.
In summary, a device which can replace a gate or a weir gate, is convenient to install and maintain, and is safe and reliable is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a flexible cut-off equipment has safe and reliable, sealed effectual advantage.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
the utility model provides a flexible cut-off equipment, include:
an elastic sleeve having a flow passage;
the outer cover is arranged outside the elastic sleeve, two ends of the elastic sleeve are detachably and hermetically connected with two ends of the outer cover, an air cavity is formed between the inner wall of the outer cover and the outer wall of the elastic sleeve, the air cavity is provided with an air hole, when the air cavity is filled with pressurized air, the elastic sleeve deforms, and the sectional area of the flow channel is reduced;
the inner wall of the elastic sleeve is provided with a lining bulge, and at least part of the lining bulge is located at the stop position of the deformed elastic sleeve.
On the basis of the scheme, the lining bulge is an elastic lining pipe, the outer wall of the lining pipe is attached to the inner wall of the elastic sleeve, and the length of the lining pipe is smaller than that of the elastic sleeve;
or the lining bulge is an elastic lining paste, and the lining paste is arranged on the inner wall of one side of the elastic sleeve;
or the elastic sleeve and the lining bulge are made of rubber.
On the basis of the scheme, the lining bulge is a foamed rubber ring;
and/or the lining bulge is bonded or vulcanized and attached to the inner wall of the elastic sleeve;
and/or an interlayer is formed between the lining bulge and the elastic sleeve and is communicated with the air cavity, when the air cavity is inflated and deflated, the interlayer is also inflated and deflated, and the lining bulge deforms.
On the basis of the scheme, both ends of the elastic sleeve are provided with a circle of side rings protruding outwards, and the side rings are provided with screw holes connected with the end parts of the outer cover.
On the basis of the scheme, the outer cover is provided with a cylinder body and an end cover, the air hole is formed in the cylinder body, the cylinder body covers the elastic sleeve, the end cover is arranged at the end parts of the cylinder body and the elastic sleeve, and the elastic sleeve is detachably connected with the cylinder body in a sealing mode through the end cover;
or, the cover has barrel and end cover, the gas pocket set up in on the barrel, the elastic sleeve both ends are located the end cover with between the telescopic tip, just barrel and elastic sleeve pass through sealing connection can be dismantled to the end cover.
On the basis of the scheme, the outer cover is provided with a barrel body, a front cover, a rear cover and a gland, the air hole is formed in the barrel body, the barrel body is covered outside the elastic sleeve, one end of the elastic sleeve is connected with one end of the barrel body through the rear cover, and the other end of the elastic sleeve is connected with the other end of the barrel body through the front cover and the gland.
On the basis of the scheme, the front cover, the rear cover and the gland are all in a circular ring shape, the front cover and the rear cover are respectively arranged at two ends of the barrel body, the gland is arranged on one side face, away from the front cover, of the rear cover, two ends of the elastic sleeve are provided with a circle of side rings protruding towards the side of the barrel body, the rear cover is abutted to one side face, opposite to the front cover, of one end of the elastic sleeve, the front cover is arranged between the barrel body and the side ring end face of the other end of the elastic sleeve, the gland is abutted to the front cover and the outer side of the side rings, and the gland is respectively connected with the front cover and the side rings through bolts.
On the basis of the scheme, the air holes comprise air inlet holes and air outlet holes.
On the basis of the scheme, the cross sections of the outer cover and the elastic sleeve are circular, and the outer cover and the elastic sleeve are coaxially arranged.
A diverter well having a flexible closure as claimed in any preceding claim: the flow distribution well comprises a flow distribution well body, a water inlet and at least one water outlet are formed in the flow distribution well body, the water outlet is used for communicating the interior of the flow distribution well body with the water outlet pipe, the flexible cut-off device is arranged on the water outlet, at least one end of the flexible cut-off device is connected with the interior of the flow distribution well body, and the other end of the flexible cut-off device is in butt joint with the water outlet pipe.
Utility model's advantage and beneficial effect lie in:
1. the utility model provides a flexible cut-off equipment sets up the inside lining arch at elastic sleeve's inner wall, when elastic sleeve aerifys the inflation, can fill the clearance between the sleeve inner wall at the inside lining arch, even under lower pressure, also can realize the sleeve zero under the off-state and reveal, application scope is wide, safe and reliable.
2. The utility model discloses set the inside lining arch to two-layer structure with the sleeve, the structure is comparatively simple, and when the inflation of elastic sleeve, the inside lining arch also can expand under the effect of atmospheric pressure, under lower pressure, even clearance distance is great between the inner wall under the sleeve cut-off state, still the protruding inflation of accessible inside lining is filled up the clearance, realizes that the sleeve is revealed to zero under the cut-off state.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 4 of the present invention.
Fig. 3 is a schematic structural view of the embodiment 4 of the present invention in an inflated state.
Fig. 4 is a schematic structural diagram of embodiment 6 of the present invention.
The reference signs are: 1-elastic sleeve, 10-air cavity, 11-air hole, 12-lining bulge, 13-flow channel, 2-outer cover, 20-cylinder, 21-end cover, 22-bolt, 23-front cover, 24-rear cover, 25-gland, 3-shunt well body, 30-water inlet, 31-water outlet pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1, this embodiment 1 provides a flexible cut-off device, which includes:
the elastic sleeve 1 has a flow channel 13.
And the outer cover 2 is covered outside the elastic sleeve 1.
The both ends of elastic sleeve 1 and the both ends detachable sealing connection of dustcoat 2, and form air cavity 10 between 2 inner walls of dustcoat and the 1 outer wall of elastic sleeve, air cavity 10 has gas pocket 11, and when air cavity 10 rushed into pressured gas, elastic sleeve 1 warp, and the sectional area of circulation passageway 13 diminishes, closes until circulation passageway 13, and when air cavity 10 deflated, elastic sleeve 1 resumes to warp, and circulation passageway 13 that is opens. The air holes 11 include an air inlet hole and an air outlet hole.
In this embodiment, the inner wall of the elastic sleeve 1 is provided with a lining protrusion 12, at least a part of the lining protrusion 12 is located at a stop position after the elastic sleeve 1 deforms, when the air cavity 10 is filled with the pressurized air, the elastic sleeve 1 expands and is attached to the opposite side, if the pressurized air is filled, the elastic sleeve 1 has enough deformation to close the flow channel 13, but because the pressure of the pressurized air is large, the cost is high, and the use environment is limited, therefore, by arranging the lining protrusion 12, when the low-pressure air is filled, the gap between the inner walls of the elastic sleeve 1 is filled with the lining protrusion 12, the flow channel 13 is completely closed, the application range is wide, the sealing effect is good, and zero leakage is realized.
The lining protrusion 12 in this embodiment is an elastic lining tube, the length of the lining tube is smaller than that of the elastic sleeve 1, the outer wall of the lining tube is attached to the inner wall of the elastic sleeve 1, when the elastic sleeve 1 is inflated, the inner wall of the lining tube is attached, as shown in fig. 3, and the lining tube fills the gap between the inner walls of the elastic sleeve.
The lining protrusion 12 in this embodiment may further include an elastic lining sticker, the lining sticker is attached to the inner wall of one side of the elastic sleeve 1, when the elastic sleeve 1 is inflated to the closed state of the flow channel 13, the side surface of the lining sticker is closely attached to the inner wall of the other side of the elastic sleeve 1, and gaps between the inner walls of the elastic sleeve 1 are filled.
The elastic sleeve 1 in the embodiment is a rubber sleeve, the lining bulge 12 is also made of an elastic rubber material, and the lining bulge 12 is a foamed rubber ring; the lining protrusions 12 in this embodiment are bonded or vulcanized to the inner wall of the elastic sleeve 1. The cross sections of the outer cover 2 and the elastic sleeve 1 are circular, and the outer cover 2 and the elastic sleeve 1 are coaxially arranged. Elastic sleeve 1 is rubber sleeve, also can be according to the fluidic nature of actual fluid, chooses the elastic material of different materials for use, after filling into pressured gas or water in air cavity 10, elastic sleeve 1 is inside deformation under the pressure effect for the cross-sectional area of circulation passageway 13 promptly crosses the water area and diminishes gradually, also can end, according to the water flow that needs, can adjust circulation passageway 13 and cross the water area, and rubber sleeve stops in the optional position.
Example 2
Example 2 differs from example 1 in that: an interlayer is formed between the lining protrusions 12 and the elastic sleeve 1 and communicated with the air cavity 10, when the air cavity 10 is inflated and deflated, the interlayer is also inflated and deflated, the lining protrusions 12 deform, when the circulation channel 13 is completely closed, gaps between the elastic sleeve 1 are filled by the expanded lining protrusions 12, and zero leakage is achieved.
Example 3
Referring to fig. 1, further based on embodiment 1 or 2, in this embodiment, both ends of the elastic sleeve 1 are provided with a ring of edge rings protruding outwards, and the edge rings are provided with screw holes connected with the end of the outer cover 2.
The outer cover 2 is provided with a cylinder body 20 and an end cover 21, the cylinder body 20 covers the elastic sleeve 1, the end cover 21 is arranged at the end parts of the cylinder body 20 and the elastic sleeve 1, and the elastic sleeve 1 and the cylinder body 20 are detachably connected in a sealing mode through the end cover 21. In this embodiment, the end cap 21 is a flange, and is tightly pressed by the bolt 22 to be hermetically connected, and a sealing gasket is provided to ensure a sealing effect if necessary.
Example 4
Further, on the basis of embodiment 1 or 2, referring to fig. 1, in this embodiment, both ends of the elastic sleeve 1 are provided with a ring of edge rings protruding outwards, and the edge rings are provided with screw holes connected with the end of the outer cover 2.
The outer cover 2 is provided with a cylinder body 20 and end covers 21, the air holes 11 are arranged on the cylinder body 20, two ends of the sleeve are respectively provided with a circle of flange plates, the end covers 21 are also flange plates, the edge ring at the end part of the elastic sleeve 1 is positioned between the end covers 21 and the flange plates at the end part of the sleeve and is tightly pressed through bolts 22 to be connected in a sealing mode, and a sealing gasket is arranged to guarantee the sealing effect when necessary. The cylinder 20 is provided with an air inlet hole and an air outlet hole.
Example 5
Referring to fig. 2 and 3, on the basis of embodiment 1 or 2, in this embodiment, both ends of the elastic sleeve 1 are provided with a ring of edge rings protruding outward, and the edge rings are provided with screw holes connected with the end of the outer cover 2. The outer cover 2 is provided with a cylinder body 20, a front cover 23, a rear cover 24 and a gland 25, the cylinder body 20 is covered outside the elastic sleeve 1, one end of the elastic sleeve 1 is connected with one end of the cylinder body 20 through the rear cover 24, and the other end of the elastic sleeve 1 is connected with the other end of the cylinder body 20 through the front cover 23 and the gland 25.
In this embodiment, the front cover 23, the rear cover 24 and the pressing cover 25 are flanges, and are tightly pressed by the bolts 22 to be connected in a sealing manner, and a sealing gasket is provided to ensure a sealing effect if necessary.
In this embodiment, the front cover 23, the rear cover 24 and the gland 25 are all circular, the front cover 23 and the rear cover 24 are respectively disposed at two ends of the barrel 20, the gland 25 is disposed at one side surface of the front cover 23 far away from the rear cover 24, two ends of the elastic sleeve 1 are provided with a circle of side rings protruding towards the barrel 20, one side surface of the rear cover 24 opposite to the front cover 23 abuts against the outside of the side ring at one end of the elastic sleeve 1, the front cover 23 is disposed between the side ring end surfaces at the other end of the barrel 20 and the elastic sleeve 1, the gland 25 abuts against the outside of the front cover 23 and the side rings, and the gland 25 is respectively connected with the front cover 23 and the side.
Obviously, in this case, the front cover 23 and the pressing cover 25 are provided with through holes communicating with the air holes 11, as shown in fig. 1, and external liquid or gas passes through the air holes 11 and enters the air chamber 10 formed between the inner wall of the housing 2 and the outer wall of the elastic sleeve 1 through the through holes of the pressing cover 25 and the front cover 23.
Example 6
Referring to fig. 4, this embodiment provides a diverter well having the flexible shutoff device of embodiments 1-5, where the diverter well includes a diverter well body 3, the diverter well body 3 is provided with a water inlet 30 and at least one water outlet, the water outlet is communicated with the interior of the diverter well body 3 and a water outlet pipe 31, the flexible shutoff device is provided on the water outlet, one end of the flexible shutoff device is connected to the interior of the diverter well body 3, and the other end of the flexible shutoff device is connected to the water outlet pipe 31. The water outlets of the flow dividing well in the embodiment can be provided with two water outlets, three water outlets and four water outlets, and each water outlet or some water outlets are provided with the flexible cut-off device according to the requirement.
A method of installing a flexible closure to a diverter well:
firstly, reserving a hole with the outer diameter larger than that of the outer cover 2 in a prefabricated part well body;
then positioning the prefabricated well body to a position required to be installed, plugging the flexible cut-off device into the hole from the outside integrally, and fixing the gap between the outer cover 2 and the well body through secondary pouring of concrete;
connecting the tail part of the flexible cut-off device with an external pipeline, and finally backfilling and installing the periphery of the flexible cut-off device.
The working principle of the flexible cut-off device in the embodiment is as follows:
the flexible cut-off device is mainly installed in an underground pipeline to play a role in cut-off, domestic sewage enters a sewage pipeline through the flexible cut-off device in sunny days, and at the moment, the elastic sleeve 1 is in an open state, so that the sewage can pass through.
When rainfall reached later stage rainwater, aerify or the water injection in to elastic sleeve 1, elastic sleeve 1 takes place deformation and closes the interception dirty pipe, and later stage rainwater passes through the drain pipe and gets into the natural water, plays the effect of damming.
After rainfall, the inside air of elastic sleeve 1 is discharged, and elastic sleeve 1 is under self elasticity effect, and the reconversion can get into in the sewage interception pipe domestic sewage.
The following describes the specific operation steps of the flexible cut-off device of the present invention for maintaining and replacing the elastic sleeve 1.
Maintenance of the large-caliber flexible cut-off device:
firstly, a person enters the inspection well, removes the external connecting air pipe and removes the gland 25 close to the inner part of the well.
The inner bolts 22 are removed completely by means of special elongated bolt sleeves, so that the entire elastic sleeve 1 is removed.
The advantages and benefits of the embodiments are:
the flexible cut-off equipment of the embodiment is installed in the space occupied by the shunt well, the installation structure is compact, and the upper part or the lower part space of the shunt well is not occupied.
The elastic sleeve of the flexible cut-off device of the embodiment drives the elastic sleeve in an inflation mode, and is safe and reliable.
The mode of inflating and extruding the elastic sleeve is used, when the device is in a conducting state, the flow path is large, the overflowing amount is not influenced, other parts are not arranged in the flow channel, the passing of garbage is not hindered, and the device is particularly suitable for the condition of an urban sewage pipe network.
Furthermore, only the elastic sleeve is a moving part in the whole flexible cut-off device, so that the flexible cut-off device is very easy to replace even if damaged, and the whole flexible cut-off device is long in service life, safe and reliable.
Use the utility model discloses a flexible cut-off equipment's reposition of redundant personnel well has following benefit:
1. the cost is low: the working pressure of compressed air is lower and safer, the existing compressed air generating and controlling device is mature, reliable and economical, the power source of the pneumatic diversion well is a gas station, and the cost of the gas station is lower than that of a hydraulic station; the cost of the air pipe is lower as compared with that of a high-pressure oil pipe; a plurality of pneumatic flow dividing wells can share one gas source and one gas conveying main pipe, so that the cost is saved;
2. and (3) environmental protection: the compressed air can not introduce secondary pollution, and the compressed air device has no explosion risk;
3. the construction is simple: the excavation amount is small;
4. does not occupy the height space: the earth surface can not be exposed, and the urban beauty and traffic are not disturbed;
5. safety: the shunt well does not use non-safety voltage on site, and no safety accident of electricity utilization exists;
6. the power supply is easy to obtain: the power supply voltage of the shunt well is 220V, and the shunt well can use a municipal and civil power grid and is convenient to obtain;
7. the reliability is high: the normal work of equipment is not influenced by urban inland inundation and flooding;
8. antiwind anti-clogging ability is strong: because the sewage contains more entanglement, sundries, floaters and the like, the overflowing channel of the device after being installed and the flow channel of the municipal pipeline are completely kept in consistent and smooth transition, and the entanglement and blockage can not be generated;
9. zero water loss: the overflowing channel after the device is installed and the flow channel of the municipal pipeline are completely kept in consistent and smooth transition, and drainage and flood discharge are not influenced;
10. the service life is long: in the environment of using sewage, electric or hydraulic equipment used in the sewage can often generate faults, and the opening and closing piece of the pneumatic flexible cut-off device is simple and cannot generate faults;
11. sealing is good: the general electric or hydraulic equipment is poor in water leakage sealing caused by the blockage of sundries, and the pneumatic flexible cut-off device adopts rubber flexible sealing, so that the sealing surface is large, and the sealing effect is reliable.
The present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered to be within the protection scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A flexible flow stop device, comprising:
an elastic sleeve having a flow passage;
the outer cover is arranged outside the elastic sleeve, two ends of the elastic sleeve are detachably and hermetically connected with two ends of the outer cover, an air cavity is formed between the inner wall of the outer cover and the outer wall of the elastic sleeve, the air cavity is provided with an air hole, when the air cavity is filled with pressurized air, the elastic sleeve deforms, and the sectional area of the flow channel is reduced;
the inner wall of the elastic sleeve is provided with a lining bulge, and at least part of the lining bulge is located at the stop position of the deformed elastic sleeve.
2. The flexible cut-off device of claim 1, wherein:
the lining bulge is an elastic lining pipe, the outer wall of the lining pipe is attached to the inner wall of the elastic sleeve, and the length of the lining pipe is smaller than that of the elastic sleeve;
or the lining bulge is an elastic lining paste, and the lining paste is arranged on the inner wall of one side of the elastic sleeve;
or the elastic sleeve and the lining bulge are made of rubber.
3. The flexible cut-off device of claim 2, wherein: the inner lining bulge is a foamed rubber ring;
and/or the lining bulge is bonded or vulcanized and attached to the inner wall of the elastic sleeve;
and/or an interlayer is formed between the lining bulge and the elastic sleeve and is communicated with the air cavity, when the air cavity is inflated and deflated, the interlayer is also inflated and deflated, and the lining bulge deforms.
4. The flexible cut-off device of claim 1, wherein: the two ends of the elastic sleeve are provided with a circle of side rings protruding outwards, and the side rings are provided with screw holes connected with the end part of the outer cover.
5. The flexible cut-off device of claim 1, wherein:
the outer cover is provided with a cylinder body and an end cover, the air hole is formed in the cylinder body, the cylinder body covers the elastic sleeve, the end cover is arranged at the end parts of the cylinder body and the elastic sleeve, and the elastic sleeve is detachably connected with the cylinder body in a sealing mode through the end cover;
or, the cover has barrel and end cover, the gas pocket set up in on the barrel, the elastic sleeve both ends are located the end cover with between the telescopic tip, just barrel and elastic sleeve pass through sealing connection can be dismantled to the end cover.
6. The flexible cut-off device of claim 1, wherein: the outer cover is provided with a barrel body, a front cover, a rear cover and a gland, the air hole is formed in the barrel body, the barrel body is covered outside the elastic sleeve, one end of the elastic sleeve is connected with one end of the barrel body through the rear cover, and the other end of the elastic sleeve is connected with the other end of the barrel body through the front cover and the gland.
7. The flexible cut-off device of claim 6, wherein: the utility model discloses a barrel, including barrel, front cover, back lid, gland, front cover, back lid and gland, the front cover, back lid and gland all are the ring form, the front cover with back lid branch is located the both ends of barrel, the gland set up in the front cover is kept away from a side of back lid, elastic sleeve's both ends are equipped with to the outstanding round limit ring of barrel side, back lid with the relative side butt of front cover the limit ring outside of elastic sleeve one end, the front cover set up in the barrel with between the limit ring terminal surface of the elastic sleeve other end, the gland butt the front cover with the outside of limit ring, the gland respectively with the front cover with limit ring bolted connection.
8. The flexible cut-off device of claim 1, wherein: the air hole comprises an air inlet hole and an air outlet hole.
9. The flexible cut-off device of claim 1, wherein: the cross section of the outer cover and the section of the elastic sleeve are circular, and the outer cover and the elastic sleeve are coaxially arranged.
10. A diverter well having a flexible closure according to any one of claims 1 to 9, wherein: the flow distribution well comprises a flow distribution well body, a water inlet and at least one water outlet are formed in the flow distribution well body, the water outlet is used for communicating the interior of the flow distribution well body with the water outlet pipe, the flexible cut-off device is arranged on the water outlet, at least one end of the flexible cut-off device is connected with the interior of the flow distribution well body, and the other end of the flexible cut-off device is in butt joint with the water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821908847.XU CN209975698U (en) | 2018-11-20 | 2018-11-20 | Flexible cut-off equipment and reposition of redundant personnel well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821908847.XU CN209975698U (en) | 2018-11-20 | 2018-11-20 | Flexible cut-off equipment and reposition of redundant personnel well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209975698U true CN209975698U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821908847.XU Active CN209975698U (en) | 2018-11-20 | 2018-11-20 | Flexible cut-off equipment and reposition of redundant personnel well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209975698U (en) |
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2018
- 2018-11-20 CN CN201821908847.XU patent/CN209975698U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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. |
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| CP03 | Change of name, title or address |