CN212807493U - Double-wall gas rail pipe sealing test device - Google Patents
Double-wall gas rail pipe sealing test device Download PDFInfo
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- CN212807493U CN212807493U CN202021632248.7U CN202021632248U CN212807493U CN 212807493 U CN212807493 U CN 212807493U CN 202021632248 U CN202021632248 U CN 202021632248U CN 212807493 U CN212807493 U CN 212807493U
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Abstract
The utility model provides a double-walled gas rail pipe seal test device, its characterized in that: the device comprises end face sealing devices for sealing two ends of a double-wall gas rail pipe, and a connecting pipe sealing device for sealing a connecting pipe on the double-wall gas rail pipe; and the end face sealing device is provided with a pressing joint connected with the pressing device. When the double-wall gas rail pipe is used, the end face sealing device is connected with the two end faces of the double-wall gas rail pipe in a sealing mode, the connecting pipe sealing device is connected with the end face of the connecting pipe in a sealing mode, and then the pressing device presses the joint through the inner pipe and the outer pipe to press the inner pipe and the outer pipe, so that whether gas leakage exists in all welding seams on the double-wall gas rail pipe is detected; this novel detection leakproofness, simple structure easily operates, detects the sealing performance of double-walled gas rail pipe with minimum cost.
Description
Technical Field
The utility model relates to a frock that uses when detecting processing double-walled gas rail pipe.
In particular to a double-wall air rail pipe sealing test device.
Background
As shown in fig. 4, the double-wall gas rail pipe comprises a double-layer pipe body, an inner pipe and an outer pipe, wherein the two ends of the double-layer pipe body are provided with connecting discs which are identical, the pipe body is further provided with two radial holes perpendicular to the pipe body, double-layer connecting pipes are arranged on the radial holes, the double-layer connecting pipes comprise inner connecting pipes and outer connecting pipes, and the two double-layer connecting pipes are identical in direction.
After the double-wall gas rail pipe is processed, the sealing detection of the inner pipe and the outer pipe needs to be carried out, so that a corresponding sealing detection device is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned conventional art's weak point, provide a double-walled gas rail pipe seal test device.
The purpose of the utility model is achieved through the following technical measures: the utility model provides a double-walled gas rail pipe seal test device which characterized in that: the device comprises end face sealing devices for sealing two ends of a double-wall gas rail pipe, and a connecting pipe sealing device for sealing a connecting pipe on the double-wall gas rail pipe; and the end face sealing device is provided with a pressing joint connected with the pressing device.
As an improvement, the end face sealing device comprises a first sealing disc, a pressing joint is arranged on the first sealing disc, a first sealing device is arranged on one face, contacted with the double-wall air rail pipe, of the first sealing disc, a first mounting hole connected with the double-wall air rail pipe is further formed in the first sealing disc, and the first mounting hole is located in the periphery of the first sealing device and corresponds to connecting holes in two end faces of the double-wall air rail pipe.
As a further improvement, the first sealing means comprises a first sealing ring located at the outer periphery of the inner tube and a second sealing ring located between the inner tube and the outer tube.
As a further improvement, the pressurizing connector comprises an inner pipe pressurizing connector which is communicated with an inner pipe of the double-wall gas rail pipe and is positioned in the first sealing ring; the double-wall gas rail pipe sealing device further comprises an outer pipe pressing connector which is communicated with the outer pipe of the double-wall gas rail pipe and is positioned between the first sealing ring and the second sealing ring.
As a further improvement, the connecting pipe sealing device comprises a second sealing disc for sealing the end face of the connecting pipe on the double-wall gas rail pipe, the second sealing device is arranged on one face, in contact with the end face of the connecting pipe on the double-wall gas rail pipe, of the second sealing disc, a second mounting hole fixed with the end face of the connecting pipe is further formed in the second sealing disc, and the second mounting hole is located in the periphery of the second sealing device and corresponds to a connecting hole in the end face of the connecting pipe.
As a further improvement, the second sealing device comprises a third sealing ring arranged on the periphery of the inner pipe of the connecting pipe and a fourth sealing ring arranged between the inner pipe of the connecting pipe and the outer pipe of the connecting pipe.
By adopting the technical scheme, the double-wall gas rail pipe sealing test device comprises end face sealing devices for sealing two ends of the double-wall gas rail pipe and a connecting pipe sealing device for sealing a connecting pipe on the double-wall gas rail pipe; and the end face sealing device is provided with a pressing joint connected with the pressing device.
Compared with the prior art, the utility model has the advantages that: when the double-wall gas rail pipe is used, the end face sealing device is connected with the two end faces of the double-wall gas rail pipe in a sealing mode, the connecting pipe sealing device is connected with the end face of the connecting pipe in a sealing mode, and then the pressing device presses the joint through the inner pipe and the outer pipe to press the inner pipe and the outer pipe, so that whether gas leakage exists in all welding seams on the double-wall gas rail pipe is detected; this novel detection leakproofness, simple structure easily operates, detects the sealing performance of double-walled gas rail pipe with minimum cost.
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the first sealing device of the present invention.
Fig. 3 is a schematic structural diagram of a second sealing device of the present invention.
Fig. 4 is a schematic structural view of a double-walled gas rail pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present 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.
Example (b): as shown in the attached drawings 1-4, the double-wall gas rail pipe sealing test device comprises an end face sealing device 1 for sealing two ends of a double-wall gas rail pipe, and a connecting pipe sealing device 2 for sealing a connecting pipe on the double-wall gas rail pipe; and the end face sealing device 1 is provided with a pressing joint 3 connected with the pressing device.
End face seal device 1 includes first sealed dish 11, be equipped with on first sealed dish 11 and suppress joint 3, the one side of first sealed dish 11 and the contact of double-walled gas rail pipe 4 is equipped with first sealing device 12, still be equipped with the first mounting hole 13 of being connected with double-walled gas rail pipe 4 on the first sealed dish 11, first mounting hole 13 is located the periphery of first sealing device 12, and correspond with the connecting hole 41 of double-walled gas rail pipe 4 both ends face 44. The first sealing means 12 comprises a first sealing ring 121 located at the outer periphery of the inner tube 42 and a second sealing ring 122 located between the inner tube 42 and the outer tube 43.
The pressurizing connector 3 comprises an inner pipe pressurizing connector 31 which is communicated with an inner pipe 42 of the double-wall gas rail pipe 4 and is positioned in the first sealing ring 121; and an outer pipe pressing connector 32 communicated with the outer pipe 43 of the double-wall gas rail pipe 4 and positioned between the first sealing ring 121 and the second sealing ring 122.
The connecting pipe sealing device 2 comprises a second sealing disc 21 for sealing the connecting pipe end face 47 on the double-wall gas rail pipe 4, the second sealing disc 21 is provided with a second sealing device 22 on the surface contacting with the connecting pipe end face 47 on the double-wall gas rail pipe 4, the second sealing disc 21 is also provided with a second mounting hole 23 fixed with the connecting pipe end face 47, and the second mounting hole 23 is positioned on the periphery of the second sealing device 22 and corresponds to a connecting hole (not shown in the figure) on the connecting pipe end face 47. The second sealing device 22 includes a third sealing ring 221 disposed on the outer periphery of the inner tube 45, and a fourth sealing ring 222 disposed between the inner tube 45 and the outer tube 46.
The utility model discloses will during the use end face seal device 1 and 4 both ends faces 44 sealing connection of double-walled gas rail pipe, connecting pipe seal device 2 and connecting pipe terminal surface 47 sealing connection, then pass through the device of suppressing the inner tube suppress connect 31 the outer tube suppress connect 32 toward inner tube 42, outer tube 43 suppress to detect that all welds on the double-walled gas rail pipe 4 have or not leak gas.
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 (6)
1. The utility model provides a double-walled gas rail pipe seal test device which characterized in that: the device comprises end face sealing devices for sealing two ends of a double-wall gas rail pipe, and a connecting pipe sealing device for sealing a connecting pipe on the double-wall gas rail pipe; and the end face sealing device is provided with a pressing joint connected with the pressing device.
2. The double-walled gas rail pipe seal test apparatus according to claim 1, wherein: the end face sealing device comprises a first sealing disc, a pressing joint is arranged on the first sealing disc, a first sealing device is arranged on one side, contacted with the double-wall air rail pipe, of the first sealing disc, a first mounting hole connected with the double-wall air rail pipe is further formed in the first sealing disc, and the first mounting hole is located in the periphery of the first sealing device and corresponds to a connecting hole in the two end faces of the double-wall air rail pipe.
3. The double-walled gas rail pipe seal test apparatus according to claim 2, wherein: the first sealing device comprises a first sealing ring positioned on the periphery of the inner pipe and a second sealing ring positioned between the inner pipe and the outer pipe.
4. The double-walled gas rail pipe seal test apparatus according to claim 3, wherein: the pressurizing connector comprises an inner pipe pressurizing connector, is communicated with an inner pipe of the double-wall gas rail pipe and is positioned in the first sealing ring; the double-wall gas rail pipe sealing device further comprises an outer pipe pressing connector which is communicated with the outer pipe of the double-wall gas rail pipe and is positioned between the first sealing ring and the second sealing ring.
5. The double-walled gas rail pipe seal test apparatus according to claim 1, wherein: the connecting pipe sealing device comprises a second sealing disc for sealing the end face of the connecting pipe on the double-wall gas rail pipe, the second sealing disc is provided with a second sealing device in the face contacting with the end face of the connecting pipe on the double-wall gas rail pipe, a second mounting hole fixed with the end face of the connecting pipe is further formed in the second sealing disc, and the second mounting hole is located in the periphery of the second sealing device and corresponds to a connecting hole in the end face of the connecting pipe.
6. The double-walled gas rail pipe seal test apparatus according to claim 5, wherein: the second sealing device comprises a third sealing ring arranged on the periphery of the inner pipe of the connecting pipe and a fourth sealing ring arranged between the inner pipe of the connecting pipe and the outer pipe of the connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021632248.7U CN212807493U (en) | 2020-08-07 | 2020-08-07 | Double-wall gas rail pipe sealing test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021632248.7U CN212807493U (en) | 2020-08-07 | 2020-08-07 | Double-wall gas rail pipe sealing test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212807493U true CN212807493U (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021632248.7U Active CN212807493U (en) | 2020-08-07 | 2020-08-07 | Double-wall gas rail pipe sealing test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212807493U (en) |
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2020
- 2020-08-07 CN CN202021632248.7U patent/CN212807493U/en active Active
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