CN220061025U - Eccentric hollow plugging air bag for monitoring flow through venturi tube - Google Patents
Eccentric hollow plugging air bag for monitoring flow through venturi tube Download PDFInfo
- Publication number
- CN220061025U CN220061025U CN202321387064.2U CN202321387064U CN220061025U CN 220061025 U CN220061025 U CN 220061025U CN 202321387064 U CN202321387064 U CN 202321387064U CN 220061025 U CN220061025 U CN 220061025U
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- China
- Prior art keywords
- venturi
- venturi tube
- air bag
- pressure gauge
- monitoring flow
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims description 12
- 239000010410 layer Substances 0.000 claims description 11
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 210000004712 air sac Anatomy 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
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- Pipe Accessories (AREA)
Abstract
The utility model discloses an eccentric hollow plugging air bag for monitoring flow through a venturi tube, which comprises an air bag, wherein the air bag is internally embedded with the venturi tube which is fixed with one side of the air bag and is eccentrically arranged, both ends of the venturi tube extend out of the air bag, the straight tube section of the venturi tube is provided with an inlet pressure gauge, and the throat of the venturi tube is provided with a throat pressure gauge; the venturi tube is embedded in the inflatable bag, and two ends of the venturi tube extend out of the inflatable bag; the pipeline is plugged under the action of inflation of the inflatable bag, then the water body flows out of the venturi tube, the instantaneous flow velocity value at the measured point in the tube can be obtained through the pressure difference of the inlet pressure gauge and the throat pressure gauge by the inlet pressure gauge throat pressure gauge, and accordingly flow detection is achieved, and the device has the characteristics of being simple in structure and easy to operate.
Description
Technical Field
The utility model relates to the related technical field of plugging air bags, in particular to an eccentric hollow plugging air bag for monitoring flow through a venturi tube.
Background
In some fields of industrial production, civil drainage and the like, the sealing of pipelines and the measurement of flow are important tasks. At present, some traditional pipeline blocking methods use blocking plates or other blocking materials to block the pipeline, but the methods have a plurality of defects such as weak blocking, easy water leakage, easy damage and the like. Conventional balloon type plugging devices typically fill the balloon with gas to plug the pipe; but does not perform well in flow monitoring.
Disclosure of Invention
In order to solve the problem in the prior art, the traditional air bag type plugging device is usually to fill an air bag with air so as to achieve the purpose of plugging a pipeline; but the flow monitoring is not carried out well, the utility model provides an eccentric hollow plugging air bag for monitoring the flow through a venturi tube.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model discloses an eccentric hollow plugging air bag for monitoring flow through a venturi tube, which comprises an air bag, wherein the air bag is internally embedded with the venturi tube which is fixed with one side of the air bag and is eccentrically arranged, both ends of the venturi tube extend out of the air bag, an inlet pressure gauge is arranged at a straight tube section of the venturi tube, and a venturi tube pressure gauge is arranged at a venturi tube of the venturi tube.
As a preferable technical scheme of the utility model, the inner end part of the venturi tube is provided with a socket pipe end, and the outer end part of the venturi tube is provided with a flange plate.
As a preferable technical scheme of the utility model, the venturi tube is connected with an adjusting valve through a flange plate.
As a preferable technical scheme of the utility model, the regulating valve is connected with a flowmeter.
As a preferable technical scheme of the utility model, two ends of the pipe section of the venturi tube are bound with the pipe section of the venturi tube through binding belts together with the inflatable bag; the binding belt is provided with a covering layer which is adhered and covered with the binding belt through a strong adhesive layer.
As a preferable embodiment of the present utility model, the material of the covering layer is the same as the material of the inflatable bag.
As a preferred embodiment of the present utility model, the venturi tube is made of plastic material.
As a preferable technical scheme of the utility model, the diameter of the inflatable bag is in the range of DN100-DN2000.
The beneficial effects of the utility model are as follows:
1. in the eccentric hollow plugging air bag for monitoring flow through the venturi tube, the venturi tube is embedded in the air bag, and two ends of the venturi tube extend out of the air bag; the pipeline is plugged under the action of inflation of the inflatable bag, then the water body flows out of the venturi tube, the instantaneous flow velocity value at the measured point in the tube can be obtained through the pressure difference of the inlet pressure gauge and the throat pressure gauge by the inlet pressure gauge throat pressure gauge, and accordingly flow detection is achieved, and the device has the characteristics of being simple in structure and easy to operate.
2. In the utility model, two ends of a pipe section of the venturi tube are bound with the pipe section of the venturi tube through binding belts together with the inflatable bag; the outside of the binding belt is provided with a covering layer which is adhered with a binding belt through a strong adhesive layer, so that the inflatable bag and the pipe section can be prevented from degumming, and the service life of the inflatable bag is prolonged; the adopted binding belt and the cover layer can effectively strengthen the structure of the inflatable bag, so that the inflatable bag is more stable and reliable in use.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic illustration of the structure of an eccentric hollow occlusion balloon of the present utility model monitoring flow through a venturi;
FIG. 2 is a schematic illustration of the installation of a tie strap of an eccentric hollow occlusion balloon of the present utility model monitoring flow through a venturi;
FIG. 3 is a schematic illustration of the structure of a cover layer of an eccentric hollow occlusion balloon of the present utility model monitoring flow through a venturi.
In the figure: 1. an inflatable bag; 2. a venturi tube; 4. an inlet pressure gauge; 5. a throat manometer; 8. a socket pipe end; 9. a flange plate; 10. adjusting a valve; 11. a flow meter; 12. binding bands; 13. and (5) covering the layer.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Examples: as shown in fig. 1, 2 and 3, the eccentric hollow blocking air bag for monitoring flow through the venturi tube comprises an air bag 1, wherein the venturi tube 2 which is fixed with one side of the air bag and is eccentrically arranged is embedded in the air bag 1, the eccentric part is not the eccentric part of the venturi tube, and the outer edge of the lower side of the venturi tube is bonded with the inner side of the air bag, so that when the air bag is inflated, the non-bonded side of the air bag bulges, and the bonded side cannot bulge due to the reason of the venturi tube, so that the eccentric part is caused. And both ends of the venturi tube 2 extend out of the inflatable bag 1, an inlet pressure gauge 4 is arranged at the straight pipe section of the venturi tube 2, and a throat pressure gauge 5 is arranged at the throat of the venturi tube 2. The venturi tube 2 is embedded in the inflatable bag 1, and two ends of the venturi tube 2 extend out of the inflatable bag 1; the pipeline is plugged under the expansion of the inflatable bag 1, then water flows out of the venturi tube 2, wherein the instantaneous flow velocity value at the measured point in the pipe can be obtained through the pressure difference of the inlet pressure gauge and the throat pressure gauge by the inlet pressure gauge throat pressure gauge, so that the flow is detected, and the device has the characteristics of simple structure and easiness in operation. Wherein the inflatable bag 1 can be provided with an inflatable tube for inflation. The venturi tube 2 is eccentrically arranged in the inflatable bag 1, so that sludge is conveniently discharged.
Wherein, the inner end of the venturi tube 2 is provided with a socket pipe end 8, and the outer end of the venturi tube 2 is provided with a flange 9. Wherein the venturi tube 2 is connected with an adjusting valve 10 through a flange plate. Wherein the regulating valve 10 is connected with a flowmeter 11 for measuring flow and checking the flow measured by the venturi tube
Wherein, two ends of the pipe section of the venturi tube 2 are bound with the pipe section of the venturi tube 2 together with the inflatable bag 1 through binding belts 12; the outside of the binding belt 12 is adhered with a covering layer 13 which covers the binding belt 12 through a strong adhesive layer, so that the inflatable bag 1 and the pipe section can be prevented from degumming, and the service life of the inflatable bag 1 is prolonged; the adopted binding belt and the cover layer can effectively strengthen the structure of the inflatable bag 1, so that the inflatable bag is more stable and reliable in use.
Wherein, the material of the cover layer 13 is the same as that of the inflatable bag.
Wherein, the venturi tube 2 is made of plastic material, so as to reduce weight and facilitate movement.
The diameter range of the inflatable bag 1 is DN100-DN2000, and the inflatable bag is suitable for pipelines of different materials and has good universality.
Wherein the installation between the air bag and the venturi tube adopts the following process,
taking a normal water shutoff air bag, wherein the diameter range is DN100-DN2000, a section of venturi tube section with the tube length of 2 times of the diameter is adopted, one end of the tube section is a socket joint type, and the other end is provided with a flange plate. Cutting one side of the water blocking air bag, putting the pipe section into the air bag at the cut position, and exposing the two ends outside the air bag. The cut part of the air bag is glued with the outer side of the pipe section by using strong glue, and then the split is covered after the air bag is adhered by using the same material as the air bag, so that the purpose of local reinforcement is achieved, and the air bag and the pipe section are prevented from degumming. The air sac wall and the pipe section are bound together by binding belts at two ends of the pipe section, the outside of the binding belt is covered by the same material as the air sac, and the effects of structural reinforcement and attractive appearance are achieved through strong glue adhesion.
When in operation, the venturi tube 2 is embedded in the inflatable bag 1, and both ends of the venturi tube 2 extend out of the inflatable bag 1; the pipeline is plugged under the expansion of the inflatable bag 1, then water flows out of the venturi tube 2, wherein the instantaneous flow velocity value at the measured point in the pipe can be obtained through the pressure difference of the inlet pressure gauge and the throat pressure gauge by the inlet pressure gauge throat pressure gauge, so that the flow is detected, and the device has the characteristics of simple structure and easiness in operation.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides an eccentric cavity shutoff gasbag through venturi monitoring flow, its characterized in that, including air bag (1), embedded in air bag (1) have with air bag one side fixed and be venturi (2) that eccentric setting, just outside both ends of venturi (2) all stretch out air bag (1), just the straight tube section of venturi (2) is provided with entry pressure gauge (4), the venturi department of venturi (2) is provided with venturi pressure gauge (5).
2. An eccentric hollow plugging balloon for monitoring flow through a venturi according to claim 1, wherein the inner end of the venturi (2) is provided with a socket pipe end (8) and the outer end of the venturi (2) is provided with a flange (9).
3. An eccentric hollow plugging balloon for monitoring flow through a venturi according to claim 2, wherein the venturi (2) is connected with an adjusting valve (10) through a flange.
4. An eccentric hollow occlusion balloon for monitoring flow through a venturi according to claim 3, wherein said regulating valve (10) is connected with a flow meter (11).
5. The eccentric hollow plugging air bag for monitoring flow through a venturi tube according to claim 1, wherein two ends of a pipe section of the venturi tube (2) are bound with the pipe section of the venturi tube (2) through binding belts (12) of the inflatable bag (1); the outside of the binding belt (12) is adhered with a covering layer (13) for covering the binding belt (12) through a strong adhesive layer.
6. An eccentric hollow plugging balloon for monitoring flow through venturi according to claim 5, wherein the material of said covering layer (13) is the same as the material of the balloon.
7. An eccentric hollow occlusion balloon for monitoring flow through a venturi according to claim 5, wherein said venturi (2) is made of plastic material.
8. An eccentric hollow occlusion balloon for monitoring flow through venturi according to claim 5, wherein said balloon (1) has a diameter in the range DN100-DN2000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321387064.2U CN220061025U (en) | 2023-10-19 | 2023-10-19 | Eccentric hollow plugging air bag for monitoring flow through venturi tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321387064.2U CN220061025U (en) | 2023-10-19 | 2023-10-19 | Eccentric hollow plugging air bag for monitoring flow through venturi tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220061025U true CN220061025U (en) | 2023-11-21 |
Family
ID=88752520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321387064.2U Active CN220061025U (en) | 2023-10-19 | 2023-10-19 | Eccentric hollow plugging air bag for monitoring flow through venturi tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220061025U (en) |
-
2023
- 2023-10-19 CN CN202321387064.2U patent/CN220061025U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An eccentric hollow sealed airbag for monitoring flow through a Venturi tube Granted publication date: 20231121 Pledgee: Bank of Nanjing Jiangbei District branch of Limited by Share Ltd. Pledgor: JIANGSU YANGTZE RIVER DELTA SMART WATER PLATFORM RESEARCH INSTITUTE Co.,Ltd. Registration number: Y2024980028327 |