CN216279906U - Natural gas line flange leak hunting auxiliary device - Google Patents
Natural gas line flange leak hunting auxiliary device Download PDFInfo
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- CN216279906U CN216279906U CN202121026115.XU CN202121026115U CN216279906U CN 216279906 U CN216279906 U CN 216279906U CN 202121026115 U CN202121026115 U CN 202121026115U CN 216279906 U CN216279906 U CN 216279906U
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Abstract
The utility model discloses a natural gas pipeline flange leak detection auxiliary device which comprises a device main body, a natural gas leakage alarm, a first pipeline and a second pipeline, wherein a first flange plate is arranged at one end of the first pipeline, a second flange plate is arranged at one end of the second pipeline, a sealing plate is arranged at one side of the device main body, a rear plate is arranged at the other side of the device main body, a connecting port is also arranged at the upper end of the device main body, a fixing bolt and a fixing nut are arranged inside the connecting groove, and a cavity is also arranged inside the device main body; this practicality is through the device main part and assorted auxiliary structure that set up, can directly install from the both ends of pipeline, can fix in flange joint department after the installation, not only can detect the natural gas and leak, can provide supplementary sealed effect moreover.
Description
Technical Field
The utility model relates to the field of natural gas pipelines, in particular to a natural gas pipeline flange leakage detection auxiliary device.
Background
The natural gas pipeline refers to a pipeline for conveying natural gas (including associated gas produced by an oil field) from a mining place or a processing plant to a city gas distribution center or an industrial enterprise user, and is also called a gas transmission pipeline.
The natural gas pipeline is used for conveying natural gas, and is a way for conveying a large amount of natural gas on land. Natural gas pipelines account for about half of the total pipeline length in the world.
The pipe connection of natural gas is usually connected through the flange, and to flange joint detection device that need connect usually, if appear leaking can in time discover and handle, and current natural gas line flange is picked up hourglass auxiliary device and is had certain problem:
the conventional natural gas pipeline flange leakage-detecting auxiliary device is generally required to be connected between flanges of two pipelines, the pipelines are required to be detached, or the pipeline leakage-detecting auxiliary device is installed before pipeline connection, so that the pipeline leakage-detecting auxiliary device is troublesome and low in efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a natural gas pipeline flange leak detection auxiliary device to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a natural gas line flange leak hunting auxiliary device, includes device main part, natural gas leakage alarm, first pipeline and second pipeline, first ring flange has been seted up to the one end of first pipeline, the second ring flange has been seted up to the one end of second pipeline, one side of device main part is provided with the closing plate, the opposite side of device main part is provided with the back plate, the connector has still been seted up to the upper end of device main part, the inside of spread groove is provided with fixing bolt and fixation nut, the cavity has still been seted up to the inside of device main part.
Preferably, the outer side of the sealing plate is provided with a second thread groove.
Preferably, a connecting notch matched with the second thread groove is formed in one side, connected with the sealing plate, of the device main body, and the connecting notch is in threaded connection with the second thread groove.
Preferably, the specifications and the hole positions of the first flange plate and the second flange plate are matched, and the first flange plate and the second flange plate are positioned inside the cavity.
Preferably, the fixing bolt penetrates through the sealing plate, the first flange plate, the second flange plate, the device main body and the rear plate, and two ends of the fixing bolt are limited through the fixing nut.
Preferably, the rear plate is made of a sealing gasket material, and the width of the cavity is matched with the sum of the widths of the first flange plate and the second flange plate.
Preferably, a first thread groove is formed in the inner side of a connecting port at the upper end of the device main body, and the first thread groove is in threaded connection with the bottom of the natural gas leakage alarm.
Preferably, a connecting nut is further arranged on the outer side of the connecting position between the bottom of the natural gas leakage alarm and the connecting port, and the connecting nut is in threaded connection with the bottom of the natural gas leakage alarm.
Preferably, the top of the device main body is further provided with a notch, and the notch is communicated with the cavity and the connecting port.
Preferably, the middle positions of the device main body, the sealing plate and the rear plate are provided with connecting notches matched with the first pipeline and the second pipeline.
Compared with the prior art, the utility model has the beneficial effects that:
through the device main part that sets up and assorted auxiliary structure, can directly install from the both ends of pipeline, can fix in flange joint department after the installation, not only can detect the natural gas and leak, can provide supplementary sealed effect moreover, when the natural gas leaks, can provide simple secondary seal effect through the exterior structure of parcel, avoid natural gas leakage position unmanned on duty, problem that can't in time handle, convenient operation possesses stronger security.
Drawings
FIG. 1 is a front view of the present invention after connection to a natural gas pipeline;
FIG. 2 is a cross-sectional view of the present invention after connection to a natural gas pipeline;
FIG. 3 is a cross-sectional view of the present invention;
fig. 4 is a schematic structural view of a sealing plate of the present invention.
In the figure: 10. a device main body; 11. a connecting port; 111. a first thread groove; 12. a connecting nut; 13. a sealing plate; 131. a second thread groove; 132. connecting grooves; 133. an outer plate; 14. a cavity; 15. a back plate; 16. fixing a nut; 17. fixing the bolt; 20. a natural gas leakage alarm; 30. a first conduit; 31. a first flange plate; 40. a second conduit; 41. a second flange.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 to 4, an auxiliary device for detecting leakage of a natural gas pipeline flange comprises a device main body 10, a natural gas leakage alarm 20, a first pipeline 30 and a second pipeline 40, wherein a first flange 31 is arranged at one end of the first pipeline 30, a second flange 41 is arranged at one end of the second pipeline 40, a sealing plate 13 is arranged at one side of the device main body 10, a back plate 15 is arranged at the other side of the device main body 10, a connecting port 11 is further arranged at the upper end of the device main body 10, a fixing bolt 17 and a fixing nut 16 are arranged inside the connecting groove 132, and a cavity 14 is further arranged inside the device main body 10.
The outer surface of the sealing plate 13 is welded with an outer plate 133, the middle position of the outer plate 133 is provided with a connecting groove 132, the outer side of the sealing plate 13 is provided with a second thread groove 131, one side of the device main body 10 connected with the sealing plate 13 is provided with a connecting notch matched with the second thread groove 131, the connecting notch is in threaded connection with the second thread groove 131, the specifications and the pore positions of the first flange plate 31 and the second flange plate 41 are matched, the first flange plate 31 and the second flange plate 41 are positioned in the cavity 14, the second thread groove 131 can provide connection between the sealing plate 13 and the device main body 10, the sealing plate 13 and the device main body 10 are connected in a fixed mode on the outer sides of the two flange plates, and the natural gas leakage alarm 20 is installed at the top;
the fixing bolts 17 penetrate through the sealing plate 13, the first flange plate 31, the second flange plate 41, the device main body 10 and the rear plate 15, two ends of each fixing bolt 17 are limited by the fixing nuts 16, the positions of the connected fixing bolts 17 can be the same as those of the flange plates or can be arranged on the outer sides of the flange plates, according to actual requirements, if the fixing bolts 17 are connected during pipeline installation, the positions of the fixing bolts 17 are consistent with those of the flange plates, if the fixing bolts 17 are connected after the pipeline installation, the positions of the fixing bolts 17 cannot be consistent with those of the flange plates at the moment, the fixing bolts need to be arranged on the outer sides, and selection is carried out according to the actual requirements;
wherein, the back plate 15 is made of a sealing gasket material, the width of the cavity 14 is matched with the sum of the widths of the first flange 31 and the second flange 41, and is used for limiting the first flange 31 and the second flange 41 and ensuring the stability of connection, the inner side of the connecting port 11 at the upper end of the device main body 10 is provided with a first thread groove 111, the first thread groove 111 is in threaded connection with the bottom of the natural gas leakage alarm 20 and can be used for ventilation, if leakage occurs, the leakage can be detected through the natural gas leakage alarm 20, the outer side of the joint between the bottom of the natural gas leakage alarm 20 and the connecting port 11 is also provided with a connecting nut 12, the connecting nut 12 is in threaded connection with the bottom of the natural gas leakage alarm 20 to provide a simple auxiliary sealing effect, the top of the device main body 10 is also provided with a notch, and the notch is communicated with the cavity 14 and the connecting port 11, the device main body 10, the sealing plate 13 and the rear plate 15 are provided at the middle positions thereof with connection notches matching the first pipeline 30 and the second pipeline 40, and are used for being connected with the first pipeline 30 and the second pipeline 40.
The working principle is as follows: when the gas leakage detection device is used, the device main body 10 and the sealing plate 13 are respectively connected from two sides of the connected first pipeline 30 and second pipeline 40, the sealing plate 13 is connected with the device main body 10 through a threaded connection mode, and then the sealing plate is fixed through the penetrating fixing bolt 17 and the fixing nut 16, so that the stability of the structure is ensured, and when the gas leakage detection device is used, not only can the sealing effect on the outer sides of the first flange 31 and the second flange 41 be provided, but also when gas leaks, the detection effect can be provided through the natural gas leakage alarm 20.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a natural gas line flange leak hunting auxiliary device, includes device main part (10), natural gas leakage alarm (20), first pipeline (30) and second pipeline (40), first ring flange (31) have been seted up to the one end of first pipeline (30), second ring flange (41), its characterized in that have been seted up to the one end of second pipeline (40): the improved multifunctional connecting device is characterized in that a sealing plate (13) is arranged on one side of the device main body (10), a rear plate (15) is arranged on the other side of the device main body (10), a connecting port (11) is further formed in the upper end of the device main body (10), an outer plate (133) is welded to the outer surface of the sealing plate (13), a connecting groove (132) is formed in the middle of the outer plate (133), a fixing bolt (17) and a fixing nut (16) are arranged inside the connecting groove (132), and a cavity (14) is further formed inside the device main body (10).
2. A natural gas pipeline flange leak detection auxiliary device according to claim 1, characterized in that: and a second thread groove (131) is formed on the outer side of the sealing plate (13).
3. A natural gas pipeline flange leak detection auxiliary device according to claim 2, characterized in that: one side of the device main body (10) connected with the sealing plate (13) is provided with a connecting notch matched with the second thread groove (131), and the connecting notch is in threaded connection with the second thread groove (131).
4. A natural gas pipeline flange leak detection auxiliary device according to claim 1, characterized in that: the specifications and the pore positions of the first flange plate (31) and the second flange plate (41) are matched, and the first flange plate (31) and the second flange plate (41) are positioned inside the cavity (14).
5. A natural gas pipeline flange leak detection auxiliary device according to claim 2, characterized in that: the fixing bolt (17) penetrates through the sealing plate (13), the first flange plate (31), the second flange plate (41), the device main body (10) and the rear plate (15), and two ends of the fixing bolt (17) are limited through the fixing nut (16).
6. A natural gas pipeline flange leak detection auxiliary device according to claim 1, characterized in that: the rear plate (15) is made of a sealing gasket material, and the width of the cavity (14) is matched with the sum of the widths of the first flange plate (31) and the second flange plate (41).
7. A natural gas pipeline flange leak detection auxiliary device according to claim 1, characterized in that: a first thread groove (111) is formed in the inner side of a connecting port (11) in the upper end of the device main body (10), and the first thread groove (111) is in threaded connection with the bottom of the natural gas leakage alarm (20).
8. A natural gas pipeline flange leak detection auxiliary device according to claim 7, characterized in that: the connecting nut (12) is further arranged on the outer side of the connecting position between the bottom of the natural gas leakage alarm (20) and the connecting port (11), and the connecting nut (12) is in threaded connection with the bottom of the natural gas leakage alarm (20).
9. A natural gas pipeline flange leak detection auxiliary device according to claim 1, characterized in that: the top of the device main body (10) is also provided with a notch which is communicated with the cavity (14) and the connecting port (11).
10. A natural gas pipeline flange leak detection auxiliary device according to claim 1, characterized in that: the middle positions of the device main body (10), the sealing plate (13) and the rear plate (15) are all provided with connecting notches matched with the first pipeline (30) and the second pipeline (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121026115.XU CN216279906U (en) | 2021-05-13 | 2021-05-13 | Natural gas line flange leak hunting auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121026115.XU CN216279906U (en) | 2021-05-13 | 2021-05-13 | Natural gas line flange leak hunting auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216279906U true CN216279906U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121026115.XU Active CN216279906U (en) | 2021-05-13 | 2021-05-13 | Natural gas line flange leak hunting auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216279906U (en) |
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2021
- 2021-05-13 CN CN202121026115.XU patent/CN216279906U/en active Active
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