CN215172962U - Device for preventing leakage of natural gas pipeline - Google Patents
Device for preventing leakage of natural gas pipeline Download PDFInfo
- Publication number
- CN215172962U CN215172962U CN202121166374.2U CN202121166374U CN215172962U CN 215172962 U CN215172962 U CN 215172962U CN 202121166374 U CN202121166374 U CN 202121166374U CN 215172962 U CN215172962 U CN 215172962U
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- China
- Prior art keywords
- pipeline
- natural gas
- air bag
- connecting rod
- pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 239000003345 natural gas Substances 0.000 title claims abstract description 44
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 230000002265 prevention Effects 0.000 claims 5
- 238000000034 method Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 abstract description 5
- 239000007787 solid Substances 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 210000004712 air sac Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
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Abstract
The utility model discloses a natural gas pipeline leakage-proof device, which comprises a left pipeline and a right pipeline; the right pipeline is arranged at the right end of the left pipeline, and fixing plates are arranged on the inner sides of the right pipeline and the left pipeline; the method comprises the following steps: the strut is fixed at the upper end and the lower end of the inner side of the fixed plate, and an inner air bag for sealing the left pipeline penetrates through the left side of the right pipeline; the conveying pipe is arranged on the left side of the connecting pipe, the other end of the conveying pipe is connected to the outer side of the inner air bag, and a check valve for limiting the flow direction of natural gas is arranged in the middle of the inner part of the conveying pipe; and the hollow column is arranged on the left side of the right pipeline. This natural gas line prevents device of leaking installs piston, alarm and solid fixed ring, and the piston removes and presses the alarm, makes the alarm send the alarm sound so that remind peripheral crowd, does not need the regular device of preventing leaking to natural gas line to inspect the gas tightness.
Description
Technical Field
The utility model relates to a natural gas line technical field specifically is a natural gas line prevents device of leakage.
Background
The natural gas pipeline conveys natural gas from an exploitation place to a city distribution center through a pipeline, and as the natural gas belongs to inflammable and toxic substances, the natural gas is required to be kept in a sealed state in the conveying process, and the leakage-proof device can prevent the natural gas from leaking so as to ensure the safety of lives and properties, for example, the novel gas pipeline leakage-proof device with the publication number of CN208185666U comprises a connecting component body, wherein the body is a direct-connection pipe fitting, insertion holes are formed in two ends of the body, and the diameters of pipelines connected with the two ends of the body are the same; the connecting plates … … are transversely welded at both ends of the body, the middle of the novel gas pipeline leakage-proof device can be effectively fixed by two sections of pipelines, the two ends are provided with fixing devices, the two fixing devices are connected through bolt rods, so that the connection part can be prevented from being bent, and the leakage at the connection part can be effectively prevented; however, natural gas pipelines still have certain problems:
1. the leakage-proof device of the natural gas pipeline needs to check the air tightness regularly, the workload of workers is increased, safety accidents easily occur while the air tightness is checked, and a large amount of time is consumed for checking;
2. when the natural gas pipeline is connected through the screw, the screw exposes the rusty phenomenon that appears easily in the air for a long time, and the screw is at the easy smooth phenomenon of silk of the in-process of installation simultaneously, and then makes the natural gas pipeline concatenation have the state of slope, makes the natural gas pipeline appear the phenomenon of leaking easily.
Therefore, the device for preventing the leakage of the natural gas pipeline can well solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a natural gas line prevents device of leakage to solve the problem that natural gas line prevents leakage device need regularly inspect and natural gas line installs unsealed on the existing market that above-mentioned background art provided.
In order to achieve the above object, the utility model provides a following technical scheme: a natural gas pipeline leakage-proof device comprises a left pipeline and a right pipeline;
the right pipeline is arranged at the right end of the left pipeline, and fixing plates are arranged on the inner sides of the right pipeline and the left pipeline;
the method comprises the following steps:
the strut is fixed at the upper end and the lower end of the inner side of the fixed plate, and an inner air bag for sealing the left pipeline penetrates through the left side of the right pipeline;
the conveying pipe is arranged on the left side of the connecting pipe, the other end of the conveying pipe is connected to the outer side of the inner air bag, and a check valve for limiting the flow direction of natural gas is arranged in the middle of the inner part of the conveying pipe;
and the hollow column is arranged on the left side of the right pipeline.
Preferably, the strut includes:
the connecting rods are fixed on two sides above the right side of the fixing plate, and grooves for placing the gear rows are formed in the upper side and the lower side of the left side of each connecting rod;
the tooth blocks are arranged on the upper side and the lower side of the connecting rod at equal intervals;
the big gasbag sets up the inside of pillar, the inboard of big gasbag is connected with the connecting pipe of carrying the natural gas, and the other end of connecting pipe is connected with interior gasbag, makes the connector of left pipeline and right pipeline be in seal structure.
Preferably, the method further comprises the following steps:
the gear, the bearing is connected both sides about the inside of pillar, the equal block in both sides has carries out spacing tooth row to the connecting rod about the inside of pillar, realizes the fixed to left pipeline.
Preferably, the hollow column comprises:
the ballonet sets up the left side of hollow post, the inside left side of hollow post is fixed with carries out spacing solid fixed ring to the piston, carries out spacingly to the orbit that the piston removed.
Preferably, the method further comprises the following steps:
the piston, the block is in gu fixed ring's inside, the left side inside of hollow post is provided with the alarm to in remind the staff phenomenon that the leakage appears.
Preferably, the tooth row is meshed with the gear, the length of the connecting rod is larger than the distance from the large air bag to the left side of the support, and the gear rotates to drive the tooth row to move.
Compared with the prior art, the beneficial effects of the utility model are that: the natural gas pipeline leakage-proof device;
(1) the piston, the alarm and the fixing ring are arranged, so that the air pressure in the hollow column is increased when natural gas leaks, the piston moves leftwards in the fixing ring, the piston moves to press the alarm, the alarm gives out an alarm sound to remind surrounding people, and the air tightness of a leakage-preventing device of the natural gas pipeline does not need to be checked regularly;
(2) be provided with connecting rod, tooth piece and tooth row, connecting rod and tooth piece remove and make gear revolve, and gear revolve makes the tooth row remove to the inside of recess, realizes the concatenation to left pipeline and right pipeline, need not splice through the screw, avoids appearing smooth silk and leads to the phenomenon of revealing.
Drawings
FIG. 1 is a schematic view of the main sectional structure of the present invention;
FIG. 2 is a schematic view of a main sectional structure of the pillar of the present invention;
FIG. 3 is an enlarged schematic view of a portion of FIG. 1 according to the present invention;
fig. 4 is an enlarged schematic view of the structure of fig. 2 b according to the present invention;
fig. 5 is the side-cut structure schematic diagram of the left pipeline of the utility model.
In the figure: 1. a left pipe; 2. a right pipe; 3. a fixing plate; 4. a pillar; 401. a connecting rod; 402. a groove; 403. a tooth block; 404. a connecting pipe; 405. a large air bag; 406. a gear; 407. a tooth row; 5. an inner airbag; 6. a delivery pipe; 7. a one-way valve; 8. a hollow column; 801. a small air bag; 802. a fixing ring; 803. A piston; 804. an alarm.
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.
Referring to fig. 1-5, the present invention provides a technical solution: a natural gas pipeline leakage-proof device comprises a left pipeline 1 and a right pipeline 2;
the right pipeline 2 is arranged at the right end of the left pipeline 1, and the inner sides of the right pipeline 2 and the left pipeline 1 are both provided with a fixed plate 3;
the method comprises the following steps:
a pillar 4 fixed at the upper and lower ends of the inner side of the fixing plate 3, and an inner air bag 5 for sealing the left pipe 1 penetrates through the left side of the right pipe 2;
a delivery pipe 6 arranged at the left side of the connection pipe 404, the other end of the delivery pipe 6 being connected to the outside of the inner air bag 5, and a check valve 7 for limiting the flow direction of the natural gas being arranged in the middle of the interior of the delivery pipe 6;
and a hollow column 8 installed at the left side of the right pipe 2.
The strut 4 includes: the connecting rod 401 is fixed on two sides above the right side of the fixing plate 3, and the upper side and the lower side of the left side of the connecting rod 401 are both provided with grooves 402 for placing the tooth rows 407; the tooth blocks 403 are arranged on the upper side and the lower side of the connecting rod 401 at equal intervals; a large air bag 405 disposed inside the column 4, the inner side of the large air bag 405 being connected to a connection pipe 404 for transporting natural gas, and the other end of the connection pipe 404 being connected to the inner air bag 5; further comprising: gears 406, which are connected to the upper and lower sides of the inside of the pillar 4 by bearings, and the upper and lower sides of the inside of the pillar 4 are respectively engaged with a gear row 407 for limiting the connecting rod 401; the tooth row 407 is meshed with the gear 406, and the length of the connecting rod 401 is larger than the distance from the large air bag 405 to the left side of the strut 4;
with reference to fig. 1-2 and fig. 4, the left pipe 1 and the right pipe 2 are spliced, the left pipe 1 is moved to the right, the left pipe 1 drives the connecting rod 401 to move synchronously, the connecting rod 401 moves towards the inside of the pillar 4, the connecting rod 401 drives the gear block 403 to move synchronously, because the gear block 403 is meshed with the gear 406, the gear block 403 moves to drive the gear 406 to rotate synchronously, the gear 406 rotates to move the gear row 407 outwards, the connecting rod 401 moves to extrude the large air bag 405, and then the gas in the large air bag 405 enters the inner air bag 5 through the connecting pipe 404, and further the gap between the left pipe 1 and the right pipe 2 is filled, so that the joint between the left pipe 1 and the right pipe 2 is kept in a sealed state, and the phenomenon of natural gas leakage is avoided.
The hollow column 8 comprises: the small air bag 801 is arranged on the left side of the hollow column 8, and a fixing ring 802 for limiting the piston 803 is fixed on the left side inside the hollow column 8; further comprising: a piston 803 clamped in the fixing ring 802, and an alarm 804 arranged inside the left side of the hollow column 8;
with reference to fig. 1, 3 and 5, the gas extruded from the large air bag 405 enters the small air bag 801 through the conveying pipe 6 synchronously, so that the gap between the hollow column 8 and the left pipeline 1 is filled, and the phenomenon of leakage caused by long-time use of the left pipeline 1 and the right pipeline 2 is avoided.
The working principle is as follows: when the natural gas pipeline leakage-preventing device is used, with reference to fig. 1-5, the gear block 403 moves to rotate the gear 406, the gear 406 rotates to drive the gear row 407 to move, so that the connection rod 401 is fixed, the phenomenon that the left pipeline 1 and the right pipeline 2 are loosened is avoided, the connection rod 401 moves to extrude the large air bag 405, thereby allowing the air inside the large air bladder 405 to enter the inside of the inner air bladder 5, and thus the left and right tubes 1 and 2 to be in a sealed state, meanwhile, the natural gas enters the small air bag 801 through the delivery pipe 6, so that the hollow column 8 and the left pipeline 1 are in a sealing structure, when the natural gas leaks, the natural gas pushes the piston 803 to move, which in turn moves plunger 803 to depress alarm 804 in order to generate an alarm, which is not described in detail herein, is well known in the art to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A natural gas pipeline leakage-proof device comprises a left pipeline (1) and a right pipeline (2);
the right pipeline (2) is arranged at the right end of the left pipeline (1), and fixing plates (301) are mounted on the inner sides of the right pipeline (2) and the left pipeline (1);
it is characterized by comprising:
the struts (4) are fixed at the upper end and the lower end of the inner side of the fixing plate (301), and an inner air bag (5) for sealing the left pipeline (1) penetrates through the left side of the right pipeline (2);
the conveying pipe (6) is arranged on the left side of the connecting pipe (404), the other end of the conveying pipe (6) is connected to the outer side of the inner air bag (5), and a check valve (7) for limiting the flow direction of natural gas is arranged in the middle of the inner part of the conveying pipe (6);
and the hollow column (8) is arranged on the left side of the right pipeline (2).
2. A natural gas pipeline leakage prevention apparatus, as claimed in claim 1, wherein said strut (4) comprises:
the connecting rod (401) is fixed on two sides above the right side of the fixing plate (301), and grooves (402) for placing tooth rows (407) are formed in the upper side and the lower side of the left side of the connecting rod (401);
the tooth blocks (403) are arranged on the upper side and the lower side of the connecting rod (401) at equal intervals;
the large air bag (405) is arranged inside the strut (4), the inner side of the large air bag (405) is connected with a connecting pipe (404) for conveying natural gas, and the other end of the connecting pipe (404) is connected with an inner air bag (5).
3. A natural gas pipeline leak prevention apparatus, as defined in claim 2, further comprising:
and the gear (406) is connected to the upper side and the lower side of the inside of the support column (4) through bearings, and the upper side and the lower side of the inside of the support column (4) are clamped with the gear row (407) for limiting the connecting rod (401).
4. A natural gas pipeline leakage prevention apparatus, as claimed in claim 1, wherein said hollow column (8) comprises:
the small air bag (801) is arranged on the left side of the hollow column (8), and a fixing ring (802) for limiting the piston (803) is fixed on the left side of the inside of the hollow column (8).
5. A natural gas pipeline leak prevention apparatus, as defined in claim 4, further comprising:
and the piston (803) is clamped in the fixing ring (802), and an alarm (804) is arranged inside the left side of the hollow column (8).
6. A natural gas pipeline leak prevention apparatus, as defined in claim 3, wherein: the tooth row (407) is meshed with a gear (406), and the length of the connecting rod (401) is larger than the distance from the large air bag (405) to the left side of the strut (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121166374.2U CN215172962U (en) | 2021-05-28 | 2021-05-28 | Device for preventing leakage of natural gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121166374.2U CN215172962U (en) | 2021-05-28 | 2021-05-28 | Device for preventing leakage of natural gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215172962U true CN215172962U (en) | 2021-12-14 |
Family
ID=79373103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121166374.2U Expired - Fee Related CN215172962U (en) | 2021-05-28 | 2021-05-28 | Device for preventing leakage of natural gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215172962U (en) |
-
2021
- 2021-05-28 CN CN202121166374.2U patent/CN215172962U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |