CN215910058U - Flange leak detection tool - Google Patents
Flange leak detection tool Download PDFInfo
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- CN215910058U CN215910058U CN202121437780.8U CN202121437780U CN215910058U CN 215910058 U CN215910058 U CN 215910058U CN 202121437780 U CN202121437780 U CN 202121437780U CN 215910058 U CN215910058 U CN 215910058U
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- flange
- detection tool
- leak detection
- housing
- connecting strip
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Abstract
The utility model discloses a flange leakage detection tool which is arranged at a flange of a pipeline and comprises a wrapping shell, wherein the wrapping shell is provided with a containing cavity; two openings which are oppositely arranged are arranged on the wrapping shell and are respectively communicated with the accommodating cavity, the pipeline is arranged in the accommodating cavity in a penetrating mode through the two openings, the flange is located in the accommodating cavity, and a leakage detecting opening is formed in the wrapping shell. According to the utility model, the wrapping shell is arranged on the pipeline, and the flange is positioned in the containing cavity of the wrapping shell, so that when the flange has gas leakage, the gas can be collected through the containing cavity, and an external gas detector is connected with the leakage detecting port on the wrapping shell to detect whether the gas leakage exists, so that the trace gas leakage at the flange can be detected.
Description
Technical Field
The utility model relates to the technical field of gas leakage detection, in particular to a flange leakage detection tool.
Background
At present, the number of flanges of a gas pipeline is large, but when tiny gas leaks at the flanges, the tiny gas is easy to diffuse and is difficult to collect after the tiny gas leaks, and on the other hand, a collector of a detector cannot be tightly attached to a flange sealing surface for detection, so that the detection of the tiny gas leakage at the flanges is difficult to realize.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that in the prior art, a flange leakage detection tool is provided to solve the problem that detection is difficult to perform when trace gas leaks from a flange of a pipeline.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
a flange leakage detection tool is arranged at a flange of a pipeline and comprises a wrapping shell, wherein the wrapping shell is provided with a containing cavity;
two openings which are oppositely arranged are arranged on the wrapping shell and are respectively communicated with the accommodating cavity, the pipeline is arranged in the accommodating cavity in a penetrating mode through the two openings, the flange is located in the accommodating cavity, and a leakage detecting opening is formed in the wrapping shell.
The flange leak detection tool is characterized in that the wrapping shell comprises a first shell and a second shell, the first shell is detachably connected with the second shell, and the first shell and the second shell are connected to form the accommodating cavity.
The flange leak detection tool is characterized in that a first connecting strip is arranged on the edge of the first shell, a second connecting strip is connected to the edge of the second shell, and the first connecting strip is connected with the second connecting strip.
The flange leak detection tool is characterized in that the first connecting strip and the second connecting strip are connected through a plurality of bolts.
The flange leak detection tool is characterized in that a sealing strip is arranged between the first connecting strip and the second connecting strip.
The flange leak detection tool is characterized in that the first connecting strip faces to one side of the second connecting strip, the second connecting strip faces to one side of the first connecting strip and is provided with grooves, the grooves are oppositely arranged, and the sealing strips are simultaneously located in the grooves.
The flange leak detection tool is characterized in that two first notches are arranged at the edge of the first shell in an opposite mode, two second notches are arranged at the edge of the second shell in an opposite mode, and the second notches are located at the same side of the wrapping shell.
The flange leak detection tool is characterized in that the first notch and the second notch are both semicircular in shape, and the opening formed by the first notch and the second notch is circular in shape.
The flange leak detection tool is characterized in that a sealing ring is arranged at the opening.
The flange leak detection tool is characterized in that the leak detection port is connected with a ball valve.
Has the advantages that: according to the utility model, the wrapping shell is arranged on the pipeline, and the flange is positioned in the containing cavity of the wrapping shell, so that when the flange has gas leakage, the gas can be collected through the containing cavity, and an external gas detector is connected with the leakage detecting port on the wrapping shell to detect whether the gas leakage exists, so that the trace gas leakage at the flange can be detected.
Drawings
FIG. 1 is a schematic structural view of the flange leak detection tool provided by the present invention;
fig. 2 is a schematic structural diagram of the first housing provided in the present invention;
the labels in the figures are: 1. wrapping the shell; 11. a first housing; 12. a second housing; 2. An opening; 3. detecting a leakage opening; 4. a first connecting bar; 5. a second connecting strip; 6. a bolt; 7. a groove; 8. a first notch; 9. a second notch; 10 ball valve.
Detailed Description
The utility model provides a flange leak detection tool, and in order to make the purpose, technical scheme and effect of the utility model clearer and clearer, the utility model is further described in detail below by referring to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
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 should also be noted that the same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
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 defined otherwise.
The following description of the embodiments will further explain the present invention by referring to the figures.
The embodiment provides a flange leakage detection tool, which is arranged at a position with a flange on a pipeline, and as shown in fig. 1, the flange leakage detection tool comprises a wrapping shell 1, wherein the wrapping shell 1 is provided with a containing cavity; the wrapping shell 1 is provided with two openings 2 which are oppositely arranged, the two openings 2 are respectively communicated with the accommodating cavity, and the two openings 2 are used for the pipeline to pass through, namely, the pipeline is arranged in the accommodating cavity in a penetrating way through the two openings 2; the flange is positioned in the accommodating cavity, the shape and the size of the two openings 2 are matched with those of the pipeline, so that the airtightness of the accommodating cavity is ensured, and when the flange leaks gas, the gas can be ensured to be contained in the accommodating cavity; as shown in fig. 2, a leakage detecting opening 3 is arranged on the wrapping shell 1, the leakage detecting opening 3 is in a normally closed state, and when the sealing performance of the flange needs to be detected, the leakage detecting opening 3 is connected through an external detection tool to detect whether natural gas leaks.
According to the utility model, the wrapping shell 1 is arranged on the pipeline, and the flange is positioned in the containing cavity of the wrapping shell 1, so that when the flange has gas leakage, the gas can be collected through the containing cavity, and whether the gas leakage exists or not is detected through the leakage detecting opening 3 on the wrapping shell 1, so that the detection of the trace gas leakage at the flange can be realized.
In a specific embodiment, the package housing 1 includes a first housing 11 and a second housing 12, the first housing 11 is detachably connected to the second housing 12, and the first housing 11 and the second housing 12 are connected to form the accommodating cavity; in order to facilitate the first housing 11 and the second housing 12 to be disposed on the pipeline, two first notches 8 are disposed at the edges of the first housing 11 in an opposite manner, two second notches 9 are disposed at the edges of the second housing 12 in an opposite manner, the first notch 8 and the second notch 9 located at the same side of the wrapping housing 1 form the opening 2, the first notch 8 and the second notch 9 are both semicircular, and the opening 2 formed by the first notch 8 and the second notch 9 is circular in shape so as to be adapted to the shape of the pipeline.
When the first housing 11 and the second housing 12 need to be disposed on the pipeline, the first housing 11 may be aligned with the flange, and both the first notches 8 are aligned with the pipeline, then the first housing 11 is clamped onto the pipeline, and the pipeline is tightly attached to both the first notches 8, and then the second housing 12 is slowly approached to the pipeline from the side of the pipeline away from the first housing 11 until the second housing 12 is merged with the first housing 11, and the first notch 8 and the second notch 9 are just butted to form the opening 2, at this time, the flange is just located in the accommodating cavity formed by butting the first housing 11 and the second housing 12.
A first connecting strip 4 is arranged at the edge of the first shell 11, and the first connecting strip 4 is only arranged at the part of the edge of the first shell 11, which does not comprise the first notch 8; a second connecting strip 5 is connected to the edge of the second shell 12, and the second connecting strip 5 is only arranged at the part of the edge of the second shell 12, which does not include the second notch 9; the first connecting strip 4 and the second connecting strip 5 are arranged outside the wrapping shell in a protruding mode; the first connecting bar 4 connects the second connecting bar 5, that is, the first housing 11 is connected to the second housing 12 through the first connecting bar 4 and the second connecting bar 5.
Further, the first connecting strip 4 and the second connecting strip 5 may be welded, or may be connected by a bolt 6, a snap connection, or the like, which is not limited in this embodiment; preferably, first connecting strip 4 with the second connecting strip is connected through a plurality of bolt 6, a plurality of bolt 6 sets up at interval in proper order on first connecting strip 4/second connecting strip 5, like this, has guaranteed promptly first connecting strip 4 with the joint strength of second connecting strip 5 has also realized first shell 11 with the connection dismantled between the second shell 12, and it is convenient to install.
A sealing strip is arranged between the first connecting strip and the second connecting strip to ensure the air tightness of the connection between the first casing 11 and the second casing 12. Specifically, grooves 7 are formed in the first connecting strip 4 facing the second connecting strip 5 and the second connecting strip facing the first connecting strip, the two grooves 7 are arranged oppositely, and the sealing strip is located in the two grooves 7 at the same time; further, the sealing strip has elasticity, for example, the sealing strip is a rubber strip, and of course, other common sealing strips with elasticity may also be used, which is not limited in this embodiment; the cross section of the sealing strip can be circular, and when the cross section of the sealing strip is circular, the bottom surface of the groove 7 is an arc-shaped bottom surface matched with the shape of the sealing strip, of course, the cross section of the sealing strip may also be in other shapes, such as an ellipse, a rectangle, etc., but this embodiment is not limited thereto, and it is only necessary to ensure that the shape of the sealing strip is adapted to the concave groove 7, when the cross section of the sealing strip is circular, the radius of the cross section of the sealing strip is larger than the depth of the groove 7, so that, when the first connecting strip 4 is in compression connection with the second connecting strip 5, the sealing strip is compressed in the groove 7, and because the sealing strip has elasticity, after the sealing strip compresses tightly in recess 7, can guarantee the leakproofness of first connecting strip 4 with second connecting strip 5.
Further, in order to ensure the tightness of the accommodating cavity, a sealing ring is arranged at the opening 2, for example, the sealing ring is a rubber ring. Therefore, the accuracy of detection of the containing cavity without the influence of gas leakage can be ensured.
The leak detection opening 3 may be disposed on the first housing 11 or the second housing 12, which is not limited in this embodiment, for example, as shown in fig. 2, the leak detection opening 3 is disposed on the first housing; the leak detection port 3 is connected with a ball valve 10, which is a common ball valve in a gas pipeline, and therefore, the specific structure of the ball valve 10 is not described in detail in this embodiment. When an operator needs to detect the air tightness of the flange, the operator only needs to connect the gas detection device with the opening 2 of the ball valve 10 and then open the ball valve 10 for detection.
In summary, the present invention discloses a flange leakage detection tool, which is disposed at a flange of a pipeline, and includes a package housing, where the package housing has a receiving cavity; two openings which are oppositely arranged are arranged on the wrapping shell and are respectively communicated with the accommodating cavity, the pipeline is arranged in the accommodating cavity in a penetrating mode through the two openings, the flange is located in the accommodating cavity, and a leakage detecting opening is formed in the wrapping shell. According to the utility model, the wrapping shell is arranged on the pipeline, and the flange is positioned in the containing cavity of the wrapping shell, so that when the flange has gas leakage, the gas can be collected through the containing cavity, and an external gas detector is connected with the leakage detecting port on the wrapping shell to detect whether the gas leakage exists, so that the trace gas leakage at the flange can be detected.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but 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 (10)
1. A flange leakage detection tool is arranged at a flange of a pipeline and is characterized by comprising a wrapping shell, wherein the wrapping shell is provided with a containing cavity;
two openings which are oppositely arranged are arranged on the wrapping shell and are respectively communicated with the accommodating cavity, the pipeline is arranged in the accommodating cavity in a penetrating mode through the two openings, the flange is located in the accommodating cavity, and a leakage detecting opening is formed in the wrapping shell.
2. The flange leak detection tool of claim 1, wherein the encasement enclosure comprises a first enclosure and a second enclosure, the first enclosure being removably coupled to the second enclosure, the first enclosure and the second enclosure being coupled to form the receiving cavity.
3. The flange leak detection tool of claim 2, wherein a first connecting strip is provided on an edge of the first housing and a second connecting strip is connected to an edge of the second housing, the first connecting strip connecting the second connecting strip.
4. The flange leak detection tool of claim 3, wherein the first connecting strip and the second connecting strip are connected by a plurality of bolts.
5. A flange leak detection tool as defined in claim 3, wherein a sealing strip is disposed between the first connector strip and the second connector strip.
6. A flange leak detection tool as defined in claim 5, wherein said first web is provided with grooves on a side thereof facing said second web, and said second web is provided with grooves on a side thereof facing said first web, wherein said grooves are disposed in opposition to each other, and wherein said sealing strip is simultaneously located in both of said grooves.
7. A flange leak detection tool as defined in claim 2, wherein two first notches are provided in opposing edges of said first housing, two second notches are provided in opposing edges of said second housing, and said first and second notches on the same side of said wraparound housing define said opening.
8. The flange leak detection tool of claim 7, wherein the first notch and the second notch are each semi-circular in shape and the opening formed by the first notch and the second notch is circular in shape.
9. A flange leak detection tool as defined in claim 1, wherein a seal ring is disposed at the opening.
10. A flange leak detection tool as defined in claim 1, wherein a ball valve is connected to the leak detection port.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121437780.8U CN215910058U (en) | 2021-06-25 | 2021-06-25 | Flange leak detection tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121437780.8U CN215910058U (en) | 2021-06-25 | 2021-06-25 | Flange leak detection tool |
Publications (1)
Publication Number | Publication Date |
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CN215910058U true CN215910058U (en) | 2022-02-25 |
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Family Applications (1)
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CN202121437780.8U Active CN215910058U (en) | 2021-06-25 | 2021-06-25 | Flange leak detection tool |
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CN (1) | CN215910058U (en) |
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2021
- 2021-06-25 CN CN202121437780.8U patent/CN215910058U/en active Active
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