CN217032922U - Adjustable leak hunting frock - Google Patents

Adjustable leak hunting frock Download PDF

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Publication number
CN217032922U
CN217032922U CN202220636882.0U CN202220636882U CN217032922U CN 217032922 U CN217032922 U CN 217032922U CN 202220636882 U CN202220636882 U CN 202220636882U CN 217032922 U CN217032922 U CN 217032922U
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China
Prior art keywords
wall
pipeline
barrel
leak detection
adjustable
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CN202220636882.0U
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Chinese (zh)
Inventor
艾鑫
石磊
匡大志
陈旭恒
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Hefei Institutes of Physical Science of CAS
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Hefei Institutes of Physical Science of CAS
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Abstract

The utility model discloses an adjustable leak detection tool which is used for detecting a pipeline and comprises a barrel, a fixing piece and a sealing piece, wherein the sealing piece is arranged on the inner wall of the barrel in a sliding mode along the axis direction of the barrel and is attached to the bottom of the pipeline, the fixing piece is adjustably fixed on the inner wall of the peripheral surface of the barrel, and the free end of the fixing piece is attached to the outer wall of the pipeline. According to the pipe fitting, the inner wall of the peripheral surface of the pipe can be fixed through the fixing piece without welding, the phenomenon that the pipe is damaged due to welding in the prior art is avoided, one end of the pipe can be locally sealed through the sealing piece, the detection effect is improved, the fixing piece can be arranged in an adjustable mode, the pipe fitting can be conveniently adapted to pipes with different pipe diameters, and the adaptability of the tool is improved.

Description

Adjustable leak hunting frock
Technical Field
The utility model relates to the technical field of helium mass spectrometer leak detection equipment, in particular to an adjustable leak detection tool.
Background
Helium is a scarce resource with wide application, and is widely applied to various fields such as military industry, scientific research, petrochemical industry, refrigeration, metal manufacturing, deep sea diving, high-precision welding and the like, a pipeline with the helium has extremely high requirements on sealing performance, the pipeline is generally subjected to leak detection before welding, a helium mass spectrum leak detection method is a mass spectrometer which uses the helium as a leak detection gas, evacuates the detected pipeline and detects the helium by using a gas analyzer to detect the leak detection, and the mass spectrometer has high leak detection efficiency, is simple and convenient to operate, and is widely applied to various industries.
At present, when the helium mass spectrometer leak detection method is used for detecting the leakage rate of a pipeline, one end of the pipeline is usually plugged by a rubber plug, the other end of the pipeline is welded at an evacuation port for evacuation leak detection, but the pipeline cannot be directly connected with a gas analyzer, and at present, the pipeline is connected with the gas analyzer by welding a pipeline connecting piece at the end part of the pipeline, but the method is too complicated and has low efficiency and can damage the pipeline.
The utility model relates to a tool specially designed for helium mass spectrometer leak detection, which does not need welding, can not damage pipelines and is suitable for pipelines with different sizes.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is how to realize the non-damage connection of the pipeline and the analyzer.
The utility model solves the technical problems through the following technical means: the utility model provides an adjustable leak hunting frock for the detection pipeline, includes barrel, mounting, sealing member, the sealing member slides along barrel axis direction and locates the barrel inner wall to paste with the pipeline bottom and lean on, mounting adjustable fixes at the global inner wall of barrel, and its free end pastes with the pipeline outer wall mutually and leans on.
Can fix the global inner wall of pipeline through the mounting, need not the welding, avoided leading to the fact the phenomenon of damage to the pipeline because of the welding among the prior art, can carry out local sealing to pipeline one end through the sealing member, improved detection effect, with the setting of mounting adjustable, the adaptation of the different pipe diameters of adaptation of can being convenient for has improved the suitability of frock.
According to a preferable technical scheme, the cylinder body is provided with a through hole which is communicated up and down along the axis direction of the cylinder body, the fixing piece comprises at least two upper bolts, and the upper bolts are connected to the inner wall of the circumferential surface of the cylinder body in a screwing mode.
According to a preferable technical scheme, the sealing element comprises a bottom cover and at least one group of height adjusting pieces, the height adjusting pieces are fixedly arranged on the inner wall of the barrel, the bottom cover is fixedly arranged at the free end of each adjusting piece, a connector is formed in the bottom cover and connected with the gas analyzer, and the height of the bottom cover can be adjusted through the height adjusting pieces.
As a preferred technical scheme, the adjusting part comprises a lower bolt and a lower nut, the lower nut is fixedly connected to the inner wall of the cylinder body, the lower bolt is in threaded connection with the lower nut, and the large end of the lower bolt faces the bottom of the cylinder body.
According to the preferable technical scheme, the top of the bottom cover is fixedly connected with a sealing gasket, the sealing gasket and the bottom cover are coaxially arranged, and a connecting hole communicated with the connecting port is formed in the center of the sealing gasket.
As the preferred technical scheme, the upper portion bolt all is equipped with the fixed bolster towards the one end of pipeline, through the setting of fixed bolster, can adapt to the pipeline of different shapes.
Preferably, the upper bolts are distributed at equal angles along the inner wall of the circumferential surface of the cylinder.
The utility model has the advantages that:
(1) according to the pipe fitting, the inner wall of the peripheral surface of the pipe can be fixed through the fixing piece without welding, the phenomenon that the pipe is damaged due to welding in the prior art is avoided, one end of the pipe can be locally sealed through the sealing piece, the detection effect is improved, the fixing piece can be arranged in an adjustable mode, the pipe fitting can be conveniently adapted to pipes with different pipe diameters, and the adaptability of the tool is improved.
(2) According to the utility model, the height of the bottom cover and the height of the sealing gasket can be adjusted through the height adjusting piece, and meanwhile, the fixing gasket can be adapted to pipelines with different sizes through the arrangement of the fixing gasket.
Drawings
Fig. 1 is a schematic front view structural diagram of an adjustable leak detection tool provided in an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional structure diagram of FIG. 1 of an adjustable leak detection tool provided in an embodiment of the present invention;
FIG. 3 is a schematic bottom view of an adjustable leak detection tool according to an embodiment of the present disclosure;
fig. 4 is a schematic isometric structural diagram of an adjustable leak detection tool provided in an embodiment of the present invention;
reference numerals: 1. a cylinder body; 2. a lower bolt; 3. a lower nut; 4. a bottom cover; 5. a gasket; 6. an upper bolt; 7. a fixing pad; 8. and (7) connecting ports.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1 and 2, an adjustable leak detection tool comprises: the pipe fitting comprises a barrel body 1, a lower bolt 2, a lower nut 3, a bottom cover 4, a sealing gasket 5, an upper bolt 6, fixing pads 7 and a connecting port 8, wherein a through hole which penetrates up and down is formed in the barrel body 1 along the axis direction of the barrel body, the inner wall of the upper part of the barrel body 1 is connected with a plurality of upper bolts 6 in a screwing mode, referring to fig. 3, in the embodiment, the number of the upper bolts 6 is preferably four, the upper bolts are distributed at equal angles along the inner wall of the peripheral surface of the barrel body 1, the fixing pads 7 are fixedly connected to the end parts of the four upper bolts 6, the fixing pads 7 can be adapted to pipelines in different shapes, the upper bolts 6 are connected with the barrel body 1 in a screwing mode through the upper bolts 6, the upper bolts 6 can be rotated according to different sizes, and move towards one ends of the pipelines, and therefore the pipelines in different sizes can be adapted; in the embodiment, four lower nuts 3 are preferably used and distributed along the inner wall of the circumferential surface of the barrel 1 at equal angles, but not limited thereto, a bottom cover 4 is arranged on the top of the lower nut 3, the bottom cover 4 can be fixedly connected to the top of the lower bolt 2 and can also be placed on the top of the lower bolt 2, a sealing gasket 5 is fixedly connected to the top of the bottom cover 4, a connecting hole 8 which is communicated with the connecting hole 8 is formed in the center of the bottom cover 4, the sealing gasket 5 and the bottom cover 4 are coaxially arranged, the connecting hole 8 is formed in the center of the connecting hole and is communicated with the connecting hole 8, the connecting hole 8 is connected with an external gas analyzer, and the other end of the pipeline is sealed and fixed through a rubber plug matched with the size of the other end of the pipeline.
The using method comprises the following steps: one end of the pipeline is fixed in a sealing mode through a rubber plug, the unsealed end of the pipeline extends into a through hole of the barrel body 1, the pipeline is fixed through rotating the upper bolt 6, the positions of the bottom cover 4 and the sealing gasket 5 are adjusted through the lower bolt 2, so that the unsealed end of the pipeline is attached to the sealing gasket 5 and gradually abutted tightly, and the pipeline is connected with a gas analyzer through the connecting port 8, so that detection can be completed, the pipeline is free of damage and pollution, stable and not easy to fall off, and the leakage rate can be detected to be high; the leakage detection device is suitable for leakage detection of pipelines with various sizes, simple in structure and convenient to operate, and can be operated by a single person during leakage detection.
The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (7)

1. The utility model provides an adjustable leak hunting frock for the detection pipeline, its characterized in that, including barrel (1), mounting, sealing member, the sealing member slides along barrel (1) axis direction and locates barrel (1) inner wall to paste with the pipeline bottom and lean on, the mounting adjustable is fixed at the global inner wall of barrel (1), and its free end pastes with the pipeline outer wall mutually and pastes and lean on.
2. The adjustable leak detection tool according to claim 1, wherein the cylinder (1) is provided with a through hole which is communicated up and down along the axis direction, the fixing member comprises at least two upper bolts (6), and the upper bolts (6) are screwed and connected to the inner wall of the peripheral surface of the cylinder (1).
3. The adjustable leak detection tool according to claim 1, wherein the sealing member comprises a bottom cover (4) and at least one set of height adjusting members, the height adjusting members are fixedly arranged on the inner wall of the cylinder body (1), the bottom cover (4) is fixedly arranged at the free end of the adjusting members, and a connecting port (8) is formed in the bottom cover (4) and connected with a gas analyzer.
4. The adjustable leak detection tool according to claim 3, wherein the adjusting piece comprises a lower bolt (2) and a lower nut (3), the lower nut (3) is fixedly connected to the inner wall of the cylinder body (1), the lower bolt (2) is in threaded connection with the lower nut (3), and the large end of the lower bolt faces the bottom of the cylinder body (1).
5. The adjustable leak detection tool according to claim 3, wherein a sealing gasket (5) is fixedly connected to the top of the bottom cover (4), the sealing gasket (5) and the bottom cover (4) are coaxially arranged, and a connecting hole communicated with the connecting port (8) is formed in the center of the sealing gasket.
6. Adjustable leak detection tooling according to claim 2, characterized in that the ends of the upper bolts (6) facing the pipeline are provided with fixing pads (7).
7. The adjustable leak detection tool according to claim 2, characterized in that the upper bolts (6) are distributed at equal angles along the inner wall of the circumferential surface of the cylinder body (1).
CN202220636882.0U 2022-03-15 2022-03-15 Adjustable leak hunting frock Active CN217032922U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220636882.0U CN217032922U (en) 2022-03-15 2022-03-15 Adjustable leak hunting frock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220636882.0U CN217032922U (en) 2022-03-15 2022-03-15 Adjustable leak hunting frock

Publications (1)

Publication Number Publication Date
CN217032922U true CN217032922U (en) 2022-07-22

Family

ID=82455635

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220636882.0U Active CN217032922U (en) 2022-03-15 2022-03-15 Adjustable leak hunting frock

Country Status (1)

Country Link
CN (1) CN217032922U (en)

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