CN216976224U - Pipeline plugging air bag - Google Patents
Pipeline plugging air bag Download PDFInfo
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- CN216976224U CN216976224U CN202120947660.6U CN202120947660U CN216976224U CN 216976224 U CN216976224 U CN 216976224U CN 202120947660 U CN202120947660 U CN 202120947660U CN 216976224 U CN216976224 U CN 216976224U
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- rod body
- base
- rod
- air bag
- pipeline
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Abstract
The utility model relates to the technical field of pipeline plugging airbags, and discloses a pipeline plugging airbag which comprises a base and an airbag which surrounds the base and is arranged in an annular mode, wherein a rod body which is perpendicular to the base is arranged in the middle of one side of the base, an inflation and deflation valve is arranged at the free end of the rod body, an airflow channel is arranged in the rod body, the airflow channel penetrates through the base and is communicated with the inside of the airbag, a supporting table is arranged at the joint of the base and the rod body, at least three supporting rods are rotatably connected to the supporting table, the supporting rods are uniformly arranged around the rod body, and the maximum distance from the free end of each supporting rod to the rod body is not less than the maximum radius of the airbag; the movable support rod structure is arranged at the rear end of the air bag, and the support rods are respectively abutted against the inner wall of the pipeline through expansion of the support rods, so that a certain support effect is generated on the air bag, the compression strength of the air bag is increased, the defect that the air bag is blocked only by the friction force of the outer wall is overcome, and the blocking strength of the air bag is improved.
Description
Technical Field
The utility model relates to the technical field of pipeline plugging air bags, in particular to a pipeline plugging air bag.
Background
When a pipeline is maintained, the pipeline is generally plugged by adopting an air bag, the air bag is inflated to be expanded to abut against the inner wall of the pipeline, and the surface of the air bag generates friction force with the inner wall of the pipeline through gas pressure so as to plug the pipeline.
In the prior art, because the plugging air bag is completely plugged by friction force, the resistance of the plugging air bag has certain limitation, when the pressure of fluid in a pipe is higher, the friction force of the air bag is difficult to support the internal pressure of the pipe, and the traditional air bag is difficult to realize plugging, so that a plugging air bag which is more stable and has larger plugging resistance is needed.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a pipeline plugging air bag, which aims to solve the problem of limited pressure resistance caused by the fact that the traditional plugging air bag only plugs through the friction force of the outer wall in the prior art.
In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a pipeline shutoff gasbag, is the gasbag of cyclic annular setting including base and surrounding base, one side middle part of base is provided with the body of rod that the perpendicular to base was arranged, the free end of the body of rod is provided with the gassing valve, and the inside of the body of rod is provided with airflow channel, airflow channel runs through inside base intercommunication gasbag, the base is provided with a supporting bench with body of rod junction, it is connected with at least three bracing piece to rotate on the supporting bench, the bracing piece evenly encircles the body of rod setting, the maximum distance of bracing piece free end to the body of rod is not less than the maximum radius of gasbag, be provided with spacing part on the body of rod, spacing part is fixed a position the bracing piece along body of rod direction removal.
Furthermore, the limiting part is annularly sleeved on the rod body, a thread structure is arranged in the limiting part, the surface of the rod body is provided with the thread structure matched with the limiting part, and the limiting part moves on the rod body through the thread structure.
Furthermore, the limiting part comprises a limiting block and a knob, the limiting block is arranged close to one end of the rotating fulcrum of the supporting rod and is annular, and the surface of the outer ring of the limiting block is curved.
Furthermore, a foot pad is arranged at the free end of the supporting rod.
Furthermore, the outer ring surface of the air bag is provided with a non-slip mat.
Furthermore, a baffle is arranged on one side of the base, which is opposite to the rod body.
Further, the length of the rod body is not less than that of the supporting rod.
The utility model has the following advantages:
the movable support rod structure is arranged at the rear end of the air bag, and the support rods are respectively abutted against the inner wall of the pipeline through expansion of the support rods, so that a certain support effect is generated on the air bag, the compression strength of the air bag is increased, the defect that the air bag is blocked only by the friction force of the outer wall is overcome, the blocking strength of the air bag is improved to a great extent, and the air bag is suitable for pipeline blocking work bearing higher pressure; the bracing piece passes through the locating part location, and adjustable bracing piece opens the scope, satisfies the demand of different pipe diameters, and application scope is wider.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary and that other implementation drawings may be derived from the provided drawings by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art will understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical essence, and any modifications of the structures, changes of the ratio relationships, or adjustments of the sizes, should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention.
FIG. 1 is a schematic view of the working state structure of the present invention;
FIG. 2 is an exterior view of the utility model in a non-operating state;
fig. 3 is a side view of the present invention in an operating state.
In the figure: 1-a base, 11-a supporting platform, 12-a baffle, 2-an air bag, 21-an anti-skid pad, 3-a supporting rod, 31-a foot pad, 4-a limiting part, 41-a limiting block, 42-a knob, 5-a rod body, 6-an inflation and deflation valve and 7-an air flow channel.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the present embodiment provides a pipeline plugging air bag, which mainly includes a base 1 and an air bag 2, wherein the air bag 2 surrounds the base 1 and is annularly arranged, similar to an automobile tire structure. The middle part of one side of base 1 is provided with the body of rod 5 that the perpendicular to base 1 arranged, and the one end that base 1 was kept away from to the body of rod 5 is provided with fills the gassing valve 6, and the inside of the body of rod 5 is provided with airflow channel 7, and airflow channel 7 runs through inside 1 intercommunication gasbag 2 of base, fills the gassing valve 6 and is used for aerifing or giving up gasbag 2, realizes the shutoff effect of gasbag 2.
As a specific implementation, the limiting component 4 is annularly sleeved on the rod body 5, and a threaded structure is arranged inside the limiting component, similar to a nut. The surface of the rod body 5 is provided with a thread structure matched with the limiting part 4, the limiting part 4 moves on the rod body 5 through the thread structure, the supporting rod 3 with an angle is supported by the advancing of the limiting part 4, the angle change of the supporting rod 3 is prevented, and the stability of the opening angle of the supporting rod 3 is ensured.
As a further improvement, the limiting component 4 includes a limiting block 41 and a knob 42, the limiting block 41 is disposed near one end of the rotation fulcrum of the supporting rod 3, the limiting block 41 is annular, and the outer surface of the limiting block is curved, so as to support the outer wall of the supporting rod 3 conveniently. The knob 42 is fixedly connected with the limiting block 41, and can be integrally formed, and the limiting block 4 can move forwards by manually rotating the knob 42.
Preferably, the free end of bracing piece 3 is provided with callus on the sole 31 among this embodiment, and the resistance of increase bracing piece 3 and pipeline inner wall guarantees that bracing piece 3 supports stably.
Preferably, the outer ring surface of the airbag 2 is provided with the non-slip mat 21, so that the friction force between the airbag 2 and the inner wall of the pipeline is increased, and the plugging strength is improved.
As a further improvement, a baffle 12 is arranged on one side of the base 1 opposite to the rod body 5, so that the base 1 and the air bag 2 are stressed more uniformly.
As further improvement again, the length of the body of rod 5 is not less than the length of bracing piece 3, when equipment does not use, moves the 5 ends of the body of rod with stop block 4, and bracing piece 3 can rotate and set level, makes it parallel with the body of rod 5, and the body of rod 5 of laminating when packing up, less occupation in space, portable.
Although the utility model has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements may be made based on the utility model. Accordingly, it is intended that all such modifications and alterations be included within the scope of this invention as defined in the appended claims.
Claims (7)
1. The utility model provides a pipeline shutoff gasbag, includes base (1) and surrounds base (1) and be gasbag (2) that cyclic annular set up, its characterized in that: a rod body (5) which is vertical to the base (1) is arranged in the middle of one side of the base (1), an inflation and deflation valve (6) is arranged at the free end of the rod body (5), an airflow channel (7) is arranged inside the rod body (5), the airflow channel (7) penetrates through the base (1) and is communicated with the inside of the air bag (2), a supporting platform (11) is arranged at the joint of the base (1) and the rod body (5), the support table (11) is rotatably connected with at least three support rods (3), the supporting rods (3) are uniformly arranged around the rod body (5), the maximum distance from the free ends of the supporting rods (3) to the rod body (5) is not less than the maximum radius of the air bag (2), the support rod is characterized in that a limiting part (4) is arranged on the rod body (5), and the limiting part (4) moves along the direction of the rod body (5) to position the support rod (3).
2. The pipeline plugging balloon of claim 1, wherein: the limiting part (4) is annularly sleeved on the rod body (5), a thread structure is arranged in the limiting part, the surface of the rod body (5) is provided with the thread structure matched with the limiting part (4), and the limiting part (4) moves on the rod body (5) through the thread structure.
3. The pipeline plugging balloon of claim 2, wherein: the limiting part (4) comprises a limiting block (41) and a knob (42), the limiting block (41) is arranged close to one end of a rotating fulcrum of the supporting rod (3), the limiting block (41) is annular, and the surface of the outer ring of the limiting block is in a curved surface shape.
4. The pipeline plugging balloon of claim 1, wherein: the free end of the support rod (3) is provided with a foot pad (31).
5. The pipeline plugging balloon of claim 1, wherein: and the outer ring surface of the air bag (2) is provided with an anti-skid pad (21).
6. The pipeline plugging balloon of claim 1, wherein: a baffle (12) is arranged on one side, opposite to the rod body (5), of the base (1).
7. The pipeline plugging balloon of claim 1, wherein: the length of the rod body (5) is not less than that of the support rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120947660.6U CN216976224U (en) | 2021-05-06 | 2021-05-06 | Pipeline plugging air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120947660.6U CN216976224U (en) | 2021-05-06 | 2021-05-06 | Pipeline plugging air bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216976224U true CN216976224U (en) | 2022-07-15 |
Family
ID=82338576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120947660.6U Active CN216976224U (en) | 2021-05-06 | 2021-05-06 | Pipeline plugging air bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216976224U (en) |
-
2021
- 2021-05-06 CN CN202120947660.6U patent/CN216976224U/en active Active
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| GR01 | Patent grant | ||
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