CN211716033U - Pipeline plugging device - Google Patents
Pipeline plugging device Download PDFInfo
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- CN211716033U CN211716033U CN202020077892.6U CN202020077892U CN211716033U CN 211716033 U CN211716033 U CN 211716033U CN 202020077892 U CN202020077892 U CN 202020077892U CN 211716033 U CN211716033 U CN 211716033U
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- pipeline
- plugging device
- plugging
- sealing washer
- shutoff
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Abstract
The utility model relates to a pipeline shutoff technical field provides a pipeline plugging device, including pipeline shutoff gasbag and admission valve, admission valve and pipeline shutoff gasbag intercommunication, pipeline plugging device is still including being fixed in the sealing washer of pipeline shutoff gasbag periphery, and the outside of sealing washer is offered on the surface to be used for adsorbing the complex recess with the inner wall of pipeline. Through fixed seal circle on the periphery at pipeline shutoff gasbag, when pipeline shutoff gasbag aerifys the inflation, the sealing washer can form the butt with the pipeline inner wall gradually towards the outside in pipeline inner wall, in addition, through seting up the recess on the outside surface at the sealing washer, in the in-process of sealing washer and pipeline inner wall butt and extruded, the air in the recess is discharged gradually and is formed the negative pressure, make the outside atmospheric pressure of recess assist pipeline shutoff gasbag to hug closely the sealing washer extrusion on pipeline inner wall, thereby reach the purpose of pipeline stagnant water prevention of seepage, the shutoff effect of pipeline shutoff gasbag to the pipeline has been improved.
Description
Technical Field
The utility model belongs to the technical field of the pipeline shutoff, more specifically say, relate to a pipeline plugging device.
Background
Among the prior art, when need carry out the test of closing water or pipeline shutoff construction, often need use the pipeline shutoff gasbag to come to carry out the shutoff to drainage pipe wherein, specific process is: the pipeline plugging air bag is arranged in a pipeline to be plugged, the air bag is inflated to expand, and when the gas pressure in the air bag reaches the specified requirement, the air bag can fill the whole pipeline section. The water leakage is blocked by utilizing the friction force generated by the outer wall of the pipeline blocking air bag and the pipeline, so that the aim of blocking the water flow in the target pipeline section by inflating and expanding is fulfilled.
However, in the process of plugging a pipeline by using the existing pipeline plugging air bag, if the pressure or flow rate of a water body in the pipeline is too high, the defects of incompact plugging, easy water seepage and the like easily occur, so that the pipeline plugging effect is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipeline plugging device aims at solving the in-process that present pipeline shutoff gasbag carried out the shutoff to the pipeline, if when water pressure or the velocity of flow were too big in the pipeline, appeared the shutoff easily and closely knit, easily defect such as infiltration, lead to the not good problem of pipeline shutoff effect.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a pipeline plugging device, including pipeline shutoff gasbag and admission valve, admission valve and pipeline shutoff gasbag intercommunication, pipeline plugging device is still including being fixed in the sealing washer of pipeline shutoff gasbag periphery, and the outside of sealing washer is provided on the surface be used for with the inner wall absorption complex recess of pipeline.
In one embodiment, the cross-section of the groove is arcuate.
In one embodiment, the seal ring is made of rubber.
In one embodiment, the pipeline plugging device comprises a plurality of sealing rings which are distributed at intervals along the axial direction of the pipeline plugging air bag.
In one embodiment, the sealing ring is adhesively secured to the tube occlusion balloon.
In one embodiment, the air inlet valve comprises a valve body communicated with the pipeline plugging air bag, and a switch for controlling the communication state of the valve body.
In one embodiment, the pipeline plugging device further comprises a barometer for detecting the air pressure in the pipeline plugging air bag, and the barometer is arranged at one end of the pipeline plugging air bag and is communicated with the interior of the pipeline plugging air bag.
In one embodiment, the pipeline plugging device further comprises an inflator and gas pipes respectively communicated with the inflator and the gas inlet valve.
The utility model provides a beneficial effect lies in, through fixed seal circle in the periphery of pipeline shutoff gasbag, when pipeline shutoff gasbag aerifys the inflation, the sealing washer can form the butt with the pipeline inner wall gradually towards the outside in pipeline inner wall, in addition, through seting up the recess on the outside surface at the sealing washer, in sealing washer and pipeline inner wall butt and extruded process, the air in the recess is discharged formation negative pressure gradually, make the outside atmospheric pressure of recess assist pipeline shutoff gasbag to hug closely the sealing washer extrusion on pipeline inner wall, thereby reach the purpose of pipeline stagnant water prevention of seepage, the shutoff effect of pipeline shutoff gasbag to the pipeline has been improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a pipeline plugging device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a portion of the pipeline plugging device shown in FIG. 1 before being installed in a pipeline and inflated;
fig. 3 is a schematic structural view of a part of the pipeline plugging device shown in fig. 1, which is arranged in a pipeline and inflated.
In the figure: 10. a pipeline plugging device; 20. a pipeline plugging air bag; 30. a seal ring; 40. an intake valve; 50. a gas delivery pipe; 60. a pipeline.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 and 2, a pipeline plugging device 10 according to an embodiment of the present invention will now be described. The pipeline plugging device 10 comprises a pipeline plugging air bag 20, a sealing ring 30 and an air inlet valve 40, wherein the air inlet valve 40 is communicated with the pipeline plugging air bag 20, the sealing ring 30 is fixed on the periphery of the plugging air bag 20, and a groove 31 used for being in adsorption fit with the inner wall of the pipeline 60 is formed in the surface of the outer side (namely, the side facing the inner wall of the pipeline 60) of the sealing ring 30. The seal ring 30 has elasticity, and when the outer side of the seal ring 30 is pressed against the inner wall of the pipe 60, the seal ring 30 is elastically deformed to push out air in the groove 31.
Referring to fig. 2 and 3, the pipeline plugging device 10 of the present invention has the advantages that by arranging the sealing ring 30 on the periphery of the pipeline plugging air bag 10, when the pipeline plugging air bag 10 is inflated and expanded through the air intake valve 40, the outer side of the sealing ring 30 gradually forms an abutment with the inner wall of the pipeline 60, and as the contact area between the sealing ring 30 and the inner wall of the pipeline 60 is smaller than that between the pipeline plugging air bag 20 and the inner wall of the pipeline 60, the sealing ring 30 and the inner wall of the pipeline 60 have a larger friction force, and the plugging effect on the pipeline 50 is effectively improved; in addition, the groove 31 is formed in the outer side surface of the sealing ring 30, when the outer side of the sealing ring 30 abuts against and extrudes the inner wall of the pipeline 60, air in the groove 31 is gradually discharged to form negative pressure, so that the air pressure outside the groove 31 assists the pipeline plugging air bag 20 to extrude and cling the sealing ring 30 to the inner wall of the pipeline 60, the purpose of water and seepage prevention of the pipeline 60 is achieved, and the plugging effect of the pipeline plugging air bag 20 on the pipeline is further improved.
Further, in the present embodiment, the cross section of the groove 31 is arc-shaped, and the depth of the center of the cross section of the groove 11 along both sides is gradually reduced, which is beneficial to discharging the air in the groove 11 during the process of abutting and pressing the seal ring 10 against the inner wall of the pipe 50.
Further, in this embodiment, the seal ring 10 is made of rubber; in other embodiments, the sealing ring 10 may be made of other elastic materials, which is not limited herein.
Further, in the present embodiment, the sealing ring 30 is adhesively fixed to the tube plugging bladder 20; in other embodiments, the sealing ring 30 is integrally formed with the tube plugging bladder 20, thereby improving the fixing reliability of the sealing ring 10 and the tube plugging bladder 20.
Further, in this embodiment, the pipeline plugging device 10 includes a plurality of sealing rings 30, and the plurality of sealing rings 30 are arranged at intervals along the axial direction of the pipeline plugging air bag 20, so as to further enhance the plugging effect on the pipeline 60. Specifically, the pipeline plugging device 10 includes two sealing rings 30 arranged at intervals along the axial direction of the pipeline plugging air bag 20; in other embodiments, the number of the sealing rings 10 can be adjusted according to actual conditions, and each sealing ring 10 is arranged at equal intervals.
Further, in the present embodiment, the air intake valve 40 includes a valve body (not shown) and a switch (not shown), wherein the valve body is disposed at one end of the pipeline plugging air bag 20 and is communicated with the inside of the pipeline plugging air bag 20, and the switch is movably disposed on the valve body for controlling a communication state of the valve body (i.e., opening or closing the valve body).
Further, in this embodiment, the pipeline plugging device 10 further includes a barometer (not shown) for detecting the air pressure in the pipeline plugging air bag 20, and the barometer is disposed at one end of the pipeline plugging air bag 20 and is communicated with the interior of the pipeline plugging air bag 20.
Furthermore, in this embodiment, the pipeline plugging device further includes an inflator (not shown) and a gas pipe 50 respectively connected to the inflator and the gas inlet valve 40, so that, in the use process of the pipeline plugging device 10, after the pipeline plugging airbag 20 is coaxially disposed in the pipeline 60, the pipeline plugging airbag 20 is inflated outside the pipeline 60 through the inflator and the gas pipe 50.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a pipeline plugging device, includes pipeline shutoff gasbag and admission valve, the admission valve with pipeline shutoff gasbag intercommunication, its characterized in that, pipeline plugging device is still including being fixed in the sealing washer of pipeline shutoff gasbag periphery, the outside of sealing washer is seted up on the surface be used for with the inner wall adsorption fit's of pipeline recess.
2. The pipeline occlusion device of claim 1, wherein the cross-section of the groove is arcuate.
3. The pipe plugging device of claim 1, wherein the sealing ring is rubber.
4. The pipeline occlusion device of claim 1, wherein the sealing ring is adhesively secured to the pipeline occlusion balloon.
5. The pipeline occlusion device of any of claims 1-4, wherein the pipeline occlusion device comprises a plurality of said sealing rings, said sealing rings being spaced apart along an axial direction of the pipeline occlusion balloon.
6. The pipeline plugging device of claim 1, wherein the air inlet valve comprises a valve body in communication with the pipeline plugging balloon, and a switch for controlling the communication state of the valve body.
7. The pipeline plugging device of claim 1, further comprising a barometer for detecting the air pressure within the pipeline plugging balloon, the barometer being disposed at one end of the pipeline plugging balloon and being in communication with the interior of the pipeline plugging balloon.
8. The pipeline plugging device of claim 7, wherein the pipeline plugging device further comprises an inflator pump and gas delivery pipes respectively communicated with the inflator pump and the gas inlet valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020077892.6U CN211716033U (en) | 2020-01-14 | 2020-01-14 | Pipeline plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020077892.6U CN211716033U (en) | 2020-01-14 | 2020-01-14 | Pipeline plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211716033U true CN211716033U (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020077892.6U Active CN211716033U (en) | 2020-01-14 | 2020-01-14 | Pipeline plugging device |
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| CN (1) | CN211716033U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124259A (en) * | 2021-04-15 | 2021-07-16 | 濮阳市盛源能源科技股份有限公司 | Blind stifled device of rubber circle |
| CN114606927A (en) * | 2022-01-24 | 2022-06-10 | 中交第二航务工程局有限公司 | Construction method for foundation treatment by combination of vacuum dewatering and air pressure splitting |
| RU2817041C1 (en) * | 2023-08-21 | 2024-04-09 | Публичное акционерное общество "Транснефть" (ПАО "Транснефть") | Pipeline sealing system with installation and recess through pipeline fittings |
-
2020
- 2020-01-14 CN CN202020077892.6U patent/CN211716033U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124259A (en) * | 2021-04-15 | 2021-07-16 | 濮阳市盛源能源科技股份有限公司 | Blind stifled device of rubber circle |
| CN114606927A (en) * | 2022-01-24 | 2022-06-10 | 中交第二航务工程局有限公司 | Construction method for foundation treatment by combination of vacuum dewatering and air pressure splitting |
| CN114606927B (en) * | 2022-01-24 | 2024-05-03 | 中交第二航务工程局有限公司 | Construction method for performing foundation treatment by combining vacuum precipitation and air pressure splitting |
| RU2817041C1 (en) * | 2023-08-21 | 2024-04-09 | Публичное акционерное общество "Транснефть" (ПАО "Транснефть") | Pipeline sealing system with installation and recess through pipeline fittings |
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