CN214947327U - Prevent leaking high temperature resistant shutoff gasbag - Google Patents
Prevent leaking high temperature resistant shutoff gasbag Download PDFInfo
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- CN214947327U CN214947327U CN202121599622.2U CN202121599622U CN214947327U CN 214947327 U CN214947327 U CN 214947327U CN 202121599622 U CN202121599622 U CN 202121599622U CN 214947327 U CN214947327 U CN 214947327U
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- bearing cavity
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Abstract
The utility model discloses a prevent leaking high temperature resistant shutoff gasbag, including the gasbag body, the gasbag body includes interior gasbag and outer gasbag, and outer gasbag adopts high temperature resistant material to make, and the inside of interior gasbag is configured into main pressure-bearing chamber, and the inside of outer gasbag is configured into vice pressure-bearing chamber, sets up in the gland of outer gasbag one end, passes the gland and passes vice pressure-bearing chamber and communicate in the main inflatable joint in main pressure-bearing chamber, disposes a columniform arch on the outer gasbag. The utility model has simple structure, adopts a double-layer air bag structure, and the outer air bag is made of high temperature resistant material, thereby further increasing the high temperature resistance of the plugging air bag; because the double-layer air bag is adopted, and the main pressure bearing cavity and the auxiliary pressure bearing cavity are not communicated with each other, the normal work of the plugging air bag is not influenced no matter the inner air bag or the outer air bag leaks, and the practicability is improved; the outer air bag is also provided with a cylindrical bulge, so that the air bag can not be displaced even if the interior of the pipeline is smooth and limited by the bulge.
Description
Technical Field
The utility model relates to a shutoff utensil technical field especially relates to a prevent leaking high temperature resistant shutoff gasbag.
Background
The plugging air bag is called a water plugging air bag and is used for water plugging. The plugging air bag is made of high-quality rubber and a fiber reinforced layer after vulcanization. The plugging air bag has good expansion resistance, elasticity and flexibility, and can be used under various working conditions. And the method is simple to operate, has good aging resistance and long service life. The working principle of the water plugging air bag is that the pipeline plugging air bag made of high-quality rubber is expanded by an inflation method, when the gas pressure in the water plugging air bag meets the specified requirement, the water plugging air bag fills the whole pipeline section, and water leakage is plugged by the friction force generated by the wall of the pipeline plugging air bag and the pipeline, so that the aim of no water seepage in a target pipeline section is fulfilled. A pipeline blocking air bag is a multi-specification and multi-shape rubber product for water delivery, pollution discharge and silt removal maintenance of pipelines and culverts, which is made of high-temperature vulcanization process of high-molecular synthetic materials such as rubber, fiber fabrics and the like, can quickly block water flow in different pipe diameters, different planes and different positions, and is an ideal tool for water delivery and drainage and silt treatment of underground pipelines.
The outer part of the existing plugging air bag is easy to wear, and if sharp objects such as glass, stones and the like are adhered to the inner wall of the pipeline, the air bag is easy to puncture, so that the air bag is easy to leak; if the pipeline is smooth and the air bag is insufficiently inflated, the air bag can easily slide in the pipeline and cannot effectively plug the pipeline; and the existing plugging air bags are all single-layer rubber air bags, so that the high-temperature resistance is poor.
Based on the above technical problems, a leak-proof high temperature resistant plugging air bag which has a simple structure, is high temperature resistant, can prevent the air bag from leaking and being incapable of being used and has a limiting function in a pipeline needs to be developed urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, high temperature resistant can prevent that the gasbag from leaking and leading to unable use, and has limit function's the high temperature resistant shutoff gasbag of preventing leaking in the pipeline.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a prevent leaking high temperature resistant shutoff gasbag, this shutoff gasbag includes:
the airbag comprises an airbag body, a connecting piece and a sealing piece, wherein the airbag body comprises an inner airbag and an outer airbag covering the outer part of the inner airbag, and the outer airbag is made of high-temperature-resistant materials;
the interior of the inner bladder is configured as a primary pressure chamber;
the inner part of the outer air sac is configured as an auxiliary pressure bearing cavity, and the main pressure bearing cavity and the auxiliary pressure bearing cavity are not communicated with each other;
the gland is arranged at one end of the outer air bag;
the main inflating joint penetrates through the gland and the auxiliary pressure bearing cavity and is communicated with the main pressure bearing cavity, and the main pressure bearing cavity is inflated through the main inflating joint;
a cylindrical bulge is arranged on the outer air bag, the bulge is communicated with the auxiliary pressure bearing cavity, and the position of the air bag body in the pipeline is limited by the bulge;
the auxiliary inflating joint penetrates through the bulge and is communicated with the auxiliary pressure bearing cavity, and the auxiliary pressure bearing cavity is inflated through the auxiliary inflating joint;
this shutoff gasbag still includes:
and the two hoisting pull rings are arranged at the two ends of the main inflating joint and are fixedly connected to the gland.
Further, a pressure gauge is arranged on the main inflation joint; and
the air valve is arranged at the head part of the main inflation joint;
the locking nut is sleeved on the main inflating joint and close to one end of the gland, and the locking nut is screwed down to lock the main inflating joint.
Preferably, the inner air bag is made of natural rubber or PVC.
Preferably, the outer air bag is made of butyl rubber.
Furthermore, a plurality of elastic positioning columns are connected between the inner air bag and the outer air bag.
Further, the elastic positioning column comprises a spring; and
the fixed block of fixed connection at spring both ends, the fixed block of spring one end connect in the surface of interior gasbag, just the fixed block of the spring other end connect in the inner wall of outer gasbag.
In the technical scheme, the utility model provides a pair of prevent leaking high temperature resistant shutoff gasbag has following beneficial effect:
the anti-leakage high-temperature-resistant plugging air bag has a simple structure, adopts a double-layer air bag structure, and the outer air bag is made of high-temperature-resistant materials, so that the high-temperature resistance of the plugging air bag is further improved; because the double-layer air bag is adopted, and the main pressure bearing cavity and the auxiliary pressure bearing cavity are not communicated with each other, the normal work of the plugging air bag is not influenced no matter the inner air bag or the outer air bag leaks, and the practicability is improved;
the utility model discloses a prevent leaking high temperature resistant shutoff gasbag has still disposed columniform arch on outer gasbag, even pipeline is inside smooth, carries on spacingly through the arch and can not make the gasbag shift yet, has further strengthened the stability of shutoff gasbag.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a front view of an overall structure of a leak-proof high-temperature-resistant blocking airbag according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an elastic positioning column in a leak-proof high-temperature-resistant plugging airbag according to an embodiment of the present invention.
Description of reference numerals:
1. an inner airbag; 2. an outer bladder; 3. a main pressure bearing cavity; 4. an auxiliary pressure bearing cavity; 5. a gland; 6. a primary inflation fitting; 7. a secondary inflation fitting; 8. hoisting a pull ring; 9. a pressure gauge; 10. an air valve; 11. an elastic positioning column; 12. locking the nut;
201. a protrusion;
1101. a spring; 1102. and (5) fixing blocks.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
See fig. 1-2;
the utility model discloses a prevent leaking high temperature resistant shutoff gasbag, this shutoff gasbag includes:
the airbag comprises an airbag body, wherein the airbag body comprises an inner airbag 1 and an outer airbag 2 covering the outer part of the inner airbag 1, and the outer airbag 2 is made of a high-temperature resistant material;
the inside of the inner bladder 1 is configured as a main pressure chamber 3;
the inner part of the outer airbag 2 is configured as an auxiliary pressure bearing cavity 4, and the main pressure bearing cavity 3 and the auxiliary pressure bearing cavity 4 are not communicated with each other;
a gland 5 provided at one end of the outer bladder 2;
the air inflation connector 6 penetrates through the gland 5 and the auxiliary pressure bearing cavity 4 and is communicated with the main pressure bearing cavity 3, and the main pressure bearing cavity 3 is inflated through the main inflation connector 6;
the outer airbag 2 is provided with a cylindrical bulge 201, the bulge 201 is communicated with the auxiliary pressure bearing cavity 4, the position of the airbag body in the pipeline is limited by the bulge 201, the blocking airbag can be effectively prevented from sliding in the pipeline and is easier to fix, and the bulge 201 is used as a part of the outer airbag 2, so that the use cost is not increased, and other auxiliary devices are not required to be installed;
the auxiliary inflating joint 7 penetrates through the bulge 201 and is communicated with the auxiliary pressure bearing cavity 4, the auxiliary pressure bearing cavity 4 is inflated through the auxiliary inflating joint 7, and the main pressure bearing cavity 3 and the auxiliary pressure bearing cavity 4 provided by the embodiment are both provided with separate inflating joints, so that inflation is separately performed;
this shutoff gasbag still includes:
and the two hoisting pull rings 8 are arranged at two ends of the main inflating joint 6 and are fixedly connected to the gland 5.
As a further introduction to the embodiment, a pressure gauge 9 is arranged on the main inflation joint 6; and
the air valve 10 is arranged at the head part of the main inflation joint;
the locking nut 12 is sleeved on the main air charging connector 6 and close to one end of the gland 5, the locking nut 12 is screwed down to lock the main air charging connector 6, and the same locking nut is also arranged on the auxiliary air charging connector 7.
As a preferable technical solution of the present embodiment, the inner bladder 1 is made of natural rubber or PVC.
In a preferred embodiment of the present invention, the outer bladder 2 is made of butyl rubber, which is one of synthetic rubbers, and is synthesized from isobutylene and a small amount of isoprene, so that air leakage is not easily caused.
As a further introduction of the present embodiment, a plurality of elastic positioning columns 11 are connected between the inner airbag 1 and the outer airbag 2, and the positioning between the inner airbag 1 and the outer airbag 2 is achieved by the plurality of elastic positioning columns 11, so that the inner airbag is not dislocated in both the inflated state and the deflated state, and the use is convenient.
This embodiment further introduces an elastic positioning post 11, where the elastic positioning post 11 includes a spring 1101; and
fixing blocks 1102 fixedly coupled to both ends of the spring 1101, the fixing block 1102 of one end of the spring 1101 is coupled to the outer surface of the inner bladder 1, and the fixing block 1102 of the other end of the spring 1101 is coupled to the inner wall of the outer bladder 2.
In the technical scheme, the utility model provides a pair of prevent leaking high temperature resistant shutoff gasbag has following beneficial effect:
the anti-leakage high-temperature-resistant plugging air bag has a simple structure, adopts a double-layer air bag structure, and the outer air bag is made of high-temperature-resistant materials, so that the high-temperature resistance of the plugging air bag is further improved; because the double-layer air bag is adopted, and the main pressure bearing cavity and the auxiliary pressure bearing cavity are not communicated with each other, the normal work of the plugging air bag is not influenced no matter the inner air bag or the outer air bag leaks, and the practicability is improved;
the utility model discloses a prevent leaking high temperature resistant shutoff gasbag has still disposed columniform arch on outer gasbag, even pipeline is inside smooth, carries on spacingly through the arch and can not make the gasbag shift yet, has further strengthened the stability of shutoff gasbag.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (6)
1. A leak-resistant, high temperature resistant shutoff airbag, comprising:
the airbag comprises an airbag body, wherein the airbag body comprises an inner airbag (1) and an outer airbag (2) coated outside the inner airbag (1), and the outer airbag (2) is made of a high-temperature-resistant material;
the interior of the inner bladder (1) is configured as a main pressure chamber (3);
the inner part of the outer air sac (2) is configured to be an auxiliary pressure bearing cavity (4), and the main pressure bearing cavity (3) and the auxiliary pressure bearing cavity (4) are not communicated with each other;
a gland (5) arranged at one end of the outer airbag (2);
the main inflating joint (6) penetrates through the gland (5) and the auxiliary pressure bearing cavity (4) and is communicated with the main pressure bearing cavity (3), and the main pressure bearing cavity (3) is inflated through the main inflating joint (6);
a cylindrical bulge (201) is arranged on the outer air bag (2), the bulge (201) is communicated with the auxiliary pressure bearing cavity (4), and the position of the air bag body in the pipeline is limited by the bulge (201);
a secondary inflation joint (7) penetrating through the bulge (201) and communicated with the secondary pressure-bearing cavity (4), wherein the secondary pressure-bearing cavity (4) is inflated through the secondary inflation joint (7);
this shutoff gasbag still includes:
and the two hoisting pull rings (8) are arranged at the two ends of the main inflating joint (6) and are fixedly connected to the gland (5).
2. A leak-proof high temperature resistant containment airbag according to claim 1, characterized in that the main inflation connection (6) is provided with a pressure gauge (9); and
the air valve (10) is arranged at the head part of the main inflation joint;
the main inflation connector (6) is sleeved with a locking nut (12) which is close to one end of the gland (5), and the locking nut (12) is screwed down to lock the main inflation connector (6).
3. A leak-proof high-temperature-resistant shutoff airbag as claimed in claim 1, characterized in that said inner airbag (1) is made of natural rubber or PVC.
4. A leak-proof high temperature resistant containment airbag according to claim 1, characterized in that the outer airbag (2) is made of butyl rubber.
5. A leak-proof high temperature resistant containment airbag according to claim 1, characterized in that a plurality of resilient positioning posts (11) are connected between the inner airbag (1) and the outer airbag (2).
6. A leak-proof high temperature resistant containment airbag according to claim 5, characterized in that the resilient positioning column (11) comprises a spring (1101); and
the fixing blocks (1102) are fixedly connected to two ends of the spring (1101), the fixing block (1102) at one end of the spring (1101) is connected to the outer surface of the inner airbag (1), and the fixing block (1102) at the other end of the spring (1101) is connected to the inner wall of the outer airbag (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121599622.2U CN214947327U (en) | 2021-07-14 | 2021-07-14 | Prevent leaking high temperature resistant shutoff gasbag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121599622.2U CN214947327U (en) | 2021-07-14 | 2021-07-14 | Prevent leaking high temperature resistant shutoff gasbag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214947327U true CN214947327U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121599622.2U Active CN214947327U (en) | 2021-07-14 | 2021-07-14 | Prevent leaking high temperature resistant shutoff gasbag |
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| Country | Link |
|---|---|
| CN (1) | CN214947327U (en) |
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2021
- 2021-07-14 CN CN202121599622.2U patent/CN214947327U/en active Active
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