CN217874797U - Device for preventing leakage of natural gas pipeline - Google Patents
Device for preventing leakage of natural gas pipeline Download PDFInfo
- Publication number
- CN217874797U CN217874797U CN202221928988.4U CN202221928988U CN217874797U CN 217874797 U CN217874797 U CN 217874797U CN 202221928988 U CN202221928988 U CN 202221928988U CN 217874797 U CN217874797 U CN 217874797U
- Authority
- CN
- China
- Prior art keywords
- natural gas
- air
- sealing
- connecting plate
- transmission chamber
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model belongs to the technical field of the natural gas line, specifically disclose a natural gas line prevents device of leakage, include: a gas transmission chamber; venting mechanism, venting mechanism includes air inlet and gas vent, blocking mechanism includes connecting plate and bleeder vent, adjustment mechanism includes cylinder, closing plate and natural gas concentration monitor, the utility model discloses an adjustment mechanism cooperation that sets up is assisted sealing mechanism and can be sealed ventilative structure through both sides, makes the bleeder vent top seal through sealed the pad, seals bleeder vent and gas vent through the gasbag simultaneously, promotes the sealed effect to natural gas line, can carry out real-time supervision to the inside natural gas concentration of gas transmission chamber through the natural gas concentration monitor that sets up, realizes reaching the leak protection effect to natural gas line's self-sealing.
Description
Technical Field
The utility model relates to a natural gas line prevents device of leakage belongs to natural gas line technical field.
Background
The natural gas is a clean and environment-friendly high-quality energy, almost does not contain sulfur, dust and other harmful substances, generates less carbon dioxide than other fossil fuels during combustion, contributes to reducing the formation of acid rain, and causes lower greenhouse effect, thereby being capable of fundamentally improving the environmental quality.
The natural gas mainly comprises methane and a small amount of ethane, propane, nitrogen and butane, and people can suffocate once the natural gas leaks in the air to a certain degree, so that serious harm is caused, the safe use of the natural gas is particularly important, and an anti-leakage device needs to be installed on an indoor natural gas pipeline, for example, patent CN207554807U discloses the natural gas pipeline anti-leakage device, a channel of a gas pipeline is separated through an elastic screw rod and a gas-breaking cover, and the function of preventing the natural gas from leaking is realized. But the structure is more complicated and the leakage-proof effect is general.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a natural gas line prevents device of leakage solves the problem of proposing in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an apparatus for preventing leakage in a natural gas pipeline, comprising:
a gas transmission chamber;
the ventilation mechanism comprises an air inlet and an air outlet, and the air inlet and the air outlet are respectively arranged at the top end and the bottom end of the air transmission chamber;
the blocking mechanism comprises a connecting plate and air holes, the connecting plate is of a funnel-shaped structure, the connecting plate is arranged at the bottom end of the inner part of the air transmission chamber, and the air holes are formed in the middle of the connecting plate;
the adjusting mechanism comprises an air cylinder, two sealing plates and a natural gas concentration monitor, the air cylinder is arranged at the top end of the gas transmission chamber, the air cylinder output shaft penetrates through the gas transmission chamber and is arranged inside the gas transmission chamber, the two sealing plates are arranged on the top end of the connecting plate in an alternating mode, and the natural gas concentration monitor is arranged on the side face of the gas transmission chamber.
Preferably, the adjusting mechanism further comprises a roller, the roller is arranged at the tail end of the output shaft of the air cylinder, and the roller is adjacent to the sealing plate.
Preferably, a sealing gasket is arranged on the inner side of the sealing plate, and the width of the sealing plate is larger than that of the ventilation hole.
Preferably, the auxiliary sealing mechanism comprises a micro air pump and an air bag, the micro air pump is arranged at the bottom end of the side face of the air delivery chamber, and the air bag is arranged at the bottom end of the inner portion of the air delivery chamber.
Preferably, the air bag is connected with the micro air pump through a pipeline, and the air bag connected with the micro air pump through the pipeline can inflate the air bag through the micro air pump.
Preferably, the air bag, the air holes and the exhaust port correspond to each other in position, and the air bag, the air holes and the exhaust port which correspond to each other in position can realize the blocking effect on the air holes and the exhaust port when the air bag expands.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model belongs to the technical field of the natural gas line, specifically disclose a natural gas line prevents device of leakage, the utility model discloses an adjustment mechanism cooperation auxiliary seal mechanism that sets up can seal the ventilative structure through both sides, makes the bleeder vent top seal through sealed the pad, seals bleeder vent and gas vent through the gasbag simultaneously, promotes the sealed effect to natural gas line, and the natural gas concentration monitor through setting can carry out real-time supervision to the natural gas concentration of gas transmission chamber inside, realizes reaching the automatic seal of natural gas line and prevents the leakage effect.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic cross-sectional view of the present invention;
in the figure: 1. a gas transmission chamber; 2. a ventilation mechanism; 201. an air inlet; 202. an exhaust port; 3. a blocking mechanism; 301. a connecting plate; 302. air holes are formed; 4. an adjustment mechanism; 401. a cylinder; 402. sealing plates; 403. a natural gas concentration monitor; 404. a roller; 405. a gasket; 5. an auxiliary sealing mechanism; 501. a miniature air pump; 502. an air bag.
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 efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-3, example 1:
the method comprises the following steps: a gas transmission chamber 1; the ventilation mechanism 2 comprises an air inlet 201 and an air outlet 202, and the air inlet 201 and the air outlet 202 are respectively arranged at the top end and the bottom end of the air transmission chamber 1; the blocking mechanism 3 comprises a connecting plate 301 and air holes 302, the connecting plate 301 is of a funnel-shaped structure, the connecting plate 301 is arranged at the bottom end inside the air transmission chamber 1, and the air holes 302 are arranged in the middle of the connecting plate 301; the adjusting mechanism 4 comprises an air cylinder 401, two sealing plates 402 and a natural gas concentration monitor 403, wherein the air cylinder 401 is arranged at the top end of the gas transmission chamber 1, an output shaft of the air cylinder 401 penetrates through the gas transmission chamber 1 and is arranged inside the gas transmission chamber 1, the two sealing plates 402 are alternately arranged at the top end of the connecting plate 301, and the natural gas concentration monitor 403 is arranged on the side surface of the gas transmission chamber 1; the adjusting mechanism 4 further comprises a roller 404, the roller 404 is arranged at the tail end of the output shaft of the air cylinder 401, and the roller 404 is arranged adjacent to the sealing plate 402; the sealing pad 405 is arranged on the inner side of the sealing plate 402, and the width of the sealing plate 402 is larger than that of the air hole 302;
when the natural gas concentration monitoring device is used, the natural gas concentration monitoring device 403 monitors the concentration of natural gas in the gas transmission chamber 1 in real time, when the concentration reaches the alarm range of the natural gas concentration monitoring device 403, the air cylinder 401 is started and pushes the output shaft outwards, the roller 404 moves along with the output shaft and extrudes the sealing plate 402 downwards, the sealing plate 402 extrudes mutually under the driving of the roller 404, the sealing plate 402 blocks the air holes 302 through the sealing gasket 405, the natural gas pipeline can be sealed immediately, leakage of the natural gas from the pipeline can be avoided, and therefore leakage-proof operation of the natural gas pipeline is achieved;
example 2:
in the use process, when the concentration reaches the alarm range of the natural gas concentration monitor 403, the auxiliary sealing mechanism 5 is started synchronously, the miniature air pump 501 pumps air to the inside of the air bag 502, the air bag 502 expands along with the air pump, the air holes 302 and the exhaust ports 202 are sealed at the two ends of the air bag 502, the air transmission chamber 1 is sealed in an auxiliary mode, and the leakage prevention effect of the pipeline is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A natural gas pipeline prevents device of leakage which characterized in that: the method comprises the following steps:
a gas transmission chamber (1);
the ventilation mechanism (2) comprises an air inlet (201) and an air outlet (202), and the air inlet (201) and the air outlet (202) are respectively arranged at the top end and the bottom end of the air transmission chamber (1);
the blocking mechanism (3) comprises a connecting plate (301) and air holes (302), the connecting plate (301) is of a funnel-shaped structure, the connecting plate (301) is arranged at the bottom end inside the air transmission chamber (1), and the air holes (302) are arranged in the middle of the connecting plate (301);
adjustment mechanism (4), adjustment mechanism (4) include cylinder (401), sealing plate (402) and natural gas concentration monitor (403), cylinder (401) set up on gas transmission room (1) top, cylinder (401) output shaft passes gas transmission room (1) and sets up inside gas transmission room (1), sealing plate (402) is equipped with two, two sealing plate (402) sets up on connecting plate (301) top in turn, natural gas concentration monitor (403) set up in gas transmission room (1) side.
2. A natural gas pipeline leak prevention apparatus, as defined in claim 1, wherein: the adjusting mechanism (4) further comprises a roller (404), the roller (404) is arranged at the tail end of an output shaft of the air cylinder (401), and the roller (404) is arranged adjacent to the sealing plate (402).
3. A natural gas pipeline leak prevention apparatus, as defined in claim 1, wherein: the sealing plate (402) is provided with a sealing pad (405) on the inner side, and the width of the sealing plate (402) is larger than that of the air hole (302).
4. A natural gas pipeline leak prevention apparatus, as defined in claim 1, wherein: supplementary sealing mechanism (5), supplementary sealing mechanism (5) are including miniature air pump (501) and gasbag (502), miniature air pump (501) set up in gas transmission room (1) side bottom, gasbag (502) set up in gas transmission room (1) inside bottom.
5. A natural gas pipeline leak prevention apparatus, as defined in claim 4, wherein: the air bag (502) is connected with the micro air pump (501) through a pipeline.
6. A natural gas pipeline leak prevention apparatus, as defined in claim 4, wherein: the positions of the air bag (502), the air hole (302) and the exhaust port (202) correspond to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221928988.4U CN217874797U (en) | 2022-07-22 | 2022-07-22 | Device for preventing leakage of natural gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221928988.4U CN217874797U (en) | 2022-07-22 | 2022-07-22 | Device for preventing leakage of natural gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217874797U true CN217874797U (en) | 2022-11-22 |
Family
ID=84055419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221928988.4U Active CN217874797U (en) | 2022-07-22 | 2022-07-22 | Device for preventing leakage of natural gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217874797U (en) |
-
2022
- 2022-07-22 CN CN202221928988.4U patent/CN217874797U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217874797U (en) | Device for preventing leakage of natural gas pipeline | |
| CN110410544A (en) | A kind of agricultural irrigation pipeline rapid escape valve | |
| CN213776499U (en) | Self-sealing zero-leakage breather valve | |
| CN203258375U (en) | Water seal type gas radiation device | |
| CN202266695U (en) | Pneumatic diaphragm valve structure | |
| CN214405649U (en) | Natural gas line prevents equipment of leakage | |
| CN217003290U (en) | High-sealing valve | |
| CN102109403A (en) | Leakage detector of welding seam of container | |
| CN213865614U (en) | High-efficiency aeration device for sewage treatment | |
| CN201688951U (en) | Welding seam leakage detecting box | |
| CN217199790U (en) | Air release valve and vacuum fresh-keeping tank with same | |
| CN200982472Y (en) | Gas-valve for quick air escape | |
| CN215059606U (en) | Water purifier valve with strong sealing performance | |
| CN220513689U (en) | Exhaust treatment device for paint production | |
| CN219333723U (en) | Diaphragm structure and module of portable oxygenerator | |
| CN218480204U (en) | Three-way valve with water seal | |
| CN210716027U (en) | Pneumatic switching valve for RTO system | |
| CN213657072U (en) | Adjustable constant-air-volume high-efficiency air supply outlet | |
| CN218067281U (en) | A collect detection device for waste gas | |
| CN214840099U (en) | Slope type greenhouse gas collecting box | |
| CN205280292U (en) | Water pump air -tight test platform | |
| CN217872396U (en) | Window frame leak protection water structure with double-base waterproofing membrane | |
| CN219090665U (en) | Oxyhydrogen equipment with leak protection sealed lid | |
| CN210442069U (en) | Derailleur box gas tightness detection device | |
| CN219888763U (en) | Gate valve with good tightness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |