CN209245381U - A kind of natural gas line device for preventing leakage - Google Patents
A kind of natural gas line device for preventing leakage Download PDFInfo
- Publication number
- CN209245381U CN209245381U CN201920024269.1U CN201920024269U CN209245381U CN 209245381 U CN209245381 U CN 209245381U CN 201920024269 U CN201920024269 U CN 201920024269U CN 209245381 U CN209245381 U CN 209245381U
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- CN
- China
- Prior art keywords
- natural gas
- appendix
- pipe
- preventing leakage
- air inlet
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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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of natural gas line device for preventing leakage, it is related to device for preventing leakage technical field, specially a kind of natural gas line device for preventing leakage, including appendix, the side of the appendix is fixedly connected with air inlet pipe, the air inlet pipe is internally provided with sundry filter net, and the side that the air inlet pipe is internally located at sundry filter net is provided with sealing rubber ring.The natural gas line device for preventing leakage, pass through the design of reset spring and rubber block, realize the function of preventing natural gas leaking, natural gas is entered in appendix by air inlet pipe, under the active force of air pressure, rubber block is pushed to move along connecting shaft, after reset spring compression to a certain extent, natural gas in appendix is entered the other side of appendix by gas transmission pipe connected pipe, and when natural gas is revealed, so that the air pressure in appendix reduces, rubber block is moved downward due to the effect of reset spring, to block the circulation passage of natural gas, achieve the purpose that prevent leakage.
Description
Technical field
The utility model relates to device for preventing leakage technical field, specially a kind of natural gas line device for preventing leakage.
Background technique
In existing life, using natural gas as the energy, the dosage of coal and petroleum can be reduced, thus substantially improves environment dirt
Dye problem, natural gas can largely reduce sulfur dioxide and dust discharge amount as a kind of clean energy resource, reduce carbon dioxide row
High-volume 60 percent and emission of nitrogen and oxygen compounds 50 percent, and help to reduce acid rain and be formed, global warming of releiving
Effect, natural gas is suitable with specific heat of combustion price compared with artificial coal gas, and natural gas is clean, can extend making for kitchen range
With the service life, it is also beneficial to the expenditure that user reduces maintenance cost, natural gas is clean fuel gas, and supply is stablized, and can improve air
Quality, thus new power can be provided for this area's economic development, drive of prosperous economy and improve environment, but natural gas is in sky
It can make one to suffocate after content reaches a certain level in gas, therefore the safe handling of natural gas is particularly important, but existing
Natural gas device for preventing leakage, structure is complex, cannot detect its gas leakage situation in time, and cannot locate in time to leaking gas conduit
Reason, in this way serious harm people's health safety.
A kind of natural gas line disclosed in 207554807 U of Chinese utility model patent ublic specification of application CN
Device for preventing leakage, the natural gas line device for preventing leakage, structure is simple, and when use is safe and reliable, is detecting natural gas leaking
It carries out cutting combustion gas at the first time afterwards, largely reduces gas leakage, can also be automatically cut off when no one at home
Gas source, bring is dangerous after avoiding gas leakage, and still, the natural gas line device for preventing leakage use cost is high, is unfavorable for
Batch production uses.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of natural gas line device for preventing leakage, solves
State the problem of proposing in background technique.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of natural gas line is anti-to be let out
Leakage device, including appendix, the side of the appendix are fixedly connected with air inlet pipe, and the air inlet pipe is internally provided with sundries
Filter screen, the side that the air inlet pipe is internally located at sundry filter net are provided with sealing rubber ring, the other side of the appendix
It is fixedly connected with escape pipe, the appendix is internally provided with combustion gas block, and the gas transmission tube outer surface is located at combustion gas block
Side be fixedly connected with device housing, the inner wall of described device shell is fixedly connected with connecting shaft, the appearance of the connecting shaft
Surface cover is equipped with reset spring, and the connecting shaft outer surface, which is located at below reset spring, is set with rubber block, the connecting shaft
One end is fixedly connected with fixture block, and the side of described device shell is fixedly connected with gas transmission pipe connected pipe, the gas transmission pipe connected pipe
It is connected far from device housing one end with appendix, the side that the gas transmission tube outer surface is located at gas transmission pipe connected pipe is fixedly connected
There is detection pipe, the detection pipe is internally provided with pressure detecting table.
Optionally, the outer surface of the air inlet pipe is fixedly connected with engaging lug, and the quantity of the engaging lug is two, and two
A engaging lug is symmetrical set.
Optionally, the material of described device shell is stainless steel, and the diameter of the internal diameter of described device shell and rubber block
It is adapted.
Optionally, described device shell is connected with the inside of appendix, and the gas transmission pipe connected pipe and device housing
Inside be connected.
Optionally, the side that the air inlet pipe is internally located at sundry filter net is provided with switching control pilot.
Optionally, the shape of the rubber block is cylindrical body, and the height of the rubber block is greater than gas transmission pipe connected pipe
Nozzle diameter.
(3) beneficial effect
The utility model provides a kind of natural gas line device for preventing leakage, have it is following the utility model has the advantages that
1, the natural gas line device for preventing leakage, by the design of reset spring and rubber block, realizing prevents natural gas
The function of leakage, under normal circumstances, natural gas is entered in appendix by air inlet pipe, and due to the design of combustion gas block, so that
Natural gas enters in device housing, meanwhile, under the active force of air pressure, rubber block is pushed to move along connecting shaft, is resetting bullet
After spring compression to a certain extent, the natural gas in appendix is entered the other side of appendix by gas transmission pipe connected pipe, and in day
In the case that right gas is revealed so that the air pressure in appendix reduces, rubber block since the effect of reset spring moves downward,
To block the circulation passage of natural gas, achievees the purpose that prevent leakage, and the device cost of manufacture and maintenance cost are low, be suitble to
The use of mass production and user.
2, natural gas line device for preventing leakage, by the design of sundry filter net, to the natural gas entered in appendix
Play the role of filtering, avoids the use that there is impurity during transportation and finally influence user, meanwhile, seal rubber
The design of circle further reduced natural gas leaking situation so that air inlet pipe connect even closer with gas source pipeline
Generation.
Detailed description of the invention
Fig. 1 is the utility model main view the schematic diagram of the section structure；
Fig. 2 is the utility model schematic view of the front view.
In figure: 1- appendix, 2- air inlet pipe, 3- sundry filter net, 4- sealing rubber ring, 5- escape pipe, 6- combustion gas block,
7- device housing, 8- connecting shaft, 9- reset spring, 10- rubber block, 11- fixture block, 12- gas transmission pipe connected pipe, 13- detection pipe,
14- pressure detecting table, 15- engaging lug, 16- switching control pilot.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Fig. 1 to Fig. 2 is please referred to, the utility model provides a kind of technical solution: a kind of natural gas line device for preventing leakage, packet
Appendix 1 is included, the side of appendix 1 is fixedly connected with air inlet pipe 2, and the outer surface of air inlet pipe 2 is fixedly connected with engaging lug 15, even
The quantity of lug 15 is two, and two engaging lugs 15 are symmetrical set, and air inlet pipe 2 is internally provided with sundry filter net 3, miscellaneous
The design of object filter screen 3 plays the role of filtering to the natural gas entered in appendix 1, avoids and deposit during transportation
The use of user is finally influenced in impurity, the side that air inlet pipe 2 is internally located at sundry filter net 3 is provided with switching control pilot
16, the design of switching control pilot 16 makes it possible to close the circulation passage of natural gas at any time, is convenient to use personnel to the device
Operation and maintenance, the side that air inlet pipe 2 is internally located at sundry filter net 3 is provided with sealing rubber ring 4, sealing rubber ring 4
Design further reduced the hair of natural gas leaking situation so that air inlet pipe 2 connect even closer with gas source pipeline
Raw, the other side of appendix 1 is fixedly connected with escape pipe 5, and appendix 1 is internally provided with combustion gas block 6,1 appearance of appendix
The side that face is located at combustion gas block 6 is fixedly connected with device housing 7, and the material of device housing 7 is stainless steel, and device housing 7
Internal diameter be adapted with the diameter of rubber block 10, device housing 7 is connected with the inside of appendix 1, and gas transmission pipe connected pipe 12
It is connected with the inside of device housing 7, the inner wall of device housing 7 is fixedly connected with connecting shaft 8, the outer surface suit of connecting shaft 8
There is reset spring 9, the lower section that 8 outer surface of connecting shaft is located at reset spring 9 is set with rubber block 10, and the shape of rubber block 10 is circle
Cylinder, and the height of rubber block 10 is greater than the nozzle diameter of gas transmission pipe connected pipe 12, passes through setting for reset spring 9 and rubber block 10
Meter, realizes the function of preventing natural gas leaking, and under normal circumstances, natural gas is entered in appendix 1 by air inlet pipe 2, and by
In the design of combustion gas block 6, so that natural gas enters in device housing 7, meanwhile, under the active force of air pressure, push rubber block
10 move along connecting shaft 8, and after the compression to a certain extent of reset spring 9, the natural gas in appendix 1 is by gas transmission pipe connected pipe
12 enter the other side of appendix 1, and in the case where natural gas is revealed, so that the air pressure in appendix 1 reduces, rubber
Blob of viscose 10 is since the effect of reset spring 9 moves downward, to block the circulation passage of natural gas, reaches the mesh for preventing leakage
, and the device cost of manufacture and maintenance cost are low, are suitble to the use of mass production and user, one end of connecting shaft 8 is fixed to be connected
It is connected to fixture block 11, the side of device housing 7 is fixedly connected with gas transmission pipe connected pipe 12, and gas transmission pipe connected pipe 12 is far from device housing
7 one end are connected with appendix 1, and the side that 1 outer surface of appendix is located at gas transmission pipe connected pipe 12 is fixedly connected with detection pipe 13,
Detection pipe 13 is internally provided with pressure detecting table 14.
In conclusion the natural gas line device for preventing leakage is realized by the design of reset spring 9 and rubber block 10
The function of natural gas leaking is prevented, under normal circumstances, natural gas is entered in appendix 1 by air inlet pipe 2, and due to combustion gas block
6 design, so that natural gas enters in device housing 7, meanwhile, under the active force of air pressure, push rubber block 10 along connection
Axis 8 moves, and after the compression to a certain extent of reset spring 9, the natural gas in appendix 1 is entered defeated by gas transmission pipe connected pipe 12
The other side of tracheae 1, and in the case where natural gas is revealed so that the air pressure in appendix 1 reduces, rubber block 10 due to
The effect of reset spring 9 moves downward, to block the circulation passage of natural gas, achievees the purpose that prevent leakage, and the device
Cost of manufacture and maintenance cost are low, are suitble to the use of mass production and user, defeated to entering by the design of sundry filter net 3
Natural gas in tracheae 1 plays the role of filtering, avoids and there is impurity during transportation and finally influence making for user
With, meanwhile, the design of sealing rubber ring 4, so that air inlet pipe 2 connect even closer, further drop with gas source pipeline
The occurrence of low natural gas leaking.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connects " installation "
Connect ", the terms such as " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, can be directly connected, can also can be inside two elements indirectly connected through an intermediary
The interaction relationship of connection or two elements.For the ordinary skill in the art, it can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
It should be noted that in the present invention unless specifically defined or limited otherwise, fisrt feature is in the second spy
It can be that the first and second features directly contact or the first and second features are connect indirectly by intermediary "above" or "below" sign
Touching.Moreover, fisrt feature can be above the second feature " above ", " above " and " above " fisrt feature right above second feature or
Oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature " under ", " lower section "
" following " can be fisrt feature and be directly under or diagonally below the second feature, or is merely representative of first feature horizontal height and is less than
Second feature.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of natural gas line device for preventing leakage, including appendix (1), it is characterised in that: the side of the appendix (1) is solid
Surely it is connected with air inlet pipe (2), the air inlet pipe (2) is internally provided with sundry filter net (3), the interior position of the air inlet pipe (2)
It is provided with sealing rubber ring (4) in the side of sundry filter net (3), the other side of the appendix (1) is fixedly connected with outlet
It manages (5), the appendix (1) is internally provided with combustion gas block (6), and appendix (1) outer surface is located at combustion gas block (6)
Side be fixedly connected with device housing (7), the inner wall of described device shell (7) is fixedly connected with connecting shaft (8), the connection
The outer surface of axis (8) is set with reset spring (9), and connecting shaft (8) outer surface, which is located at below reset spring (9), to be set with
One end of rubber block (10), the connecting shaft (8) is fixedly connected with fixture block (11), and the side of described device shell (7) is fixed to be connected
It is connected to gas transmission pipe connected pipe (12), the gas transmission pipe connected pipe (12) is connected far from device housing (7) one end with appendix (1)
It connects, the side that appendix (1) outer surface is located at gas transmission pipe connected pipe (12) is fixedly connected with detection pipe (13), the detection
Pipe (13) is internally provided with pressure detecting table (14).
2. a kind of natural gas line device for preventing leakage according to claim 1, it is characterised in that: the air inlet pipe (2)
Outer surface is fixedly connected with engaging lug (15), and the quantity of the engaging lug (15) is two, and two engaging lugs (15) are in
It is symmetrical arranged.
3. a kind of natural gas line device for preventing leakage according to claim 1, it is characterised in that: described device shell (7)
Material be stainless steel, and the internal diameter of described device shell (7) is adapted with the diameter of rubber block (10).
4. a kind of natural gas line device for preventing leakage according to claim 1, it is characterised in that: described device shell (7)
It is connected with the inside of appendix (1), and the gas transmission pipe connected pipe (12) is connected with the inside of device housing (7).
5. a kind of natural gas line device for preventing leakage according to claim 1, it is characterised in that: in the air inlet pipe (2)
The side that portion is located at sundry filter net (3) is provided with switching control pilot (16).
6. a kind of natural gas line device for preventing leakage according to claim 1, it is characterised in that: the rubber block (10)
Shape is cylindrical body, and the height of the rubber block (10) is greater than the nozzle diameter of gas transmission pipe connected pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920024269.1U CN209245381U (en) | 2019-01-07 | 2019-01-07 | A kind of natural gas line device for preventing leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920024269.1U CN209245381U (en) | 2019-01-07 | 2019-01-07 | A kind of natural gas line device for preventing leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209245381U true CN209245381U (en) | 2019-08-13 |
Family
ID=67535992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920024269.1U Expired - Fee Related CN209245381U (en) | 2019-01-07 | 2019-01-07 | A kind of natural gas line device for preventing leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209245381U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432059A (en) * | 2020-11-20 | 2021-03-02 | 卢铎仁 | Device for combustible gas leakage detection |
| CN112537897A (en) * | 2020-11-29 | 2021-03-23 | 台玻悦达汽车玻璃有限公司 | Good pressurized container for glass manufacturing of stability |
| CN113898756A (en) * | 2021-09-10 | 2022-01-07 | 精工阀门集团有限公司 | Ball valve with pressure relief function |
| CN117027770A (en) * | 2023-09-26 | 2023-11-10 | 奥宸科技有限公司 | Gas well wellhead pressure real-time monitoring device |
-
2019
- 2019-01-07 CN CN201920024269.1U patent/CN209245381U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432059A (en) * | 2020-11-20 | 2021-03-02 | 卢铎仁 | Device for combustible gas leakage detection |
| CN112537897A (en) * | 2020-11-29 | 2021-03-23 | 台玻悦达汽车玻璃有限公司 | Good pressurized container for glass manufacturing of stability |
| CN113898756A (en) * | 2021-09-10 | 2022-01-07 | 精工阀门集团有限公司 | Ball valve with pressure relief function |
| CN113898756B (en) * | 2021-09-10 | 2023-07-18 | 精工阀门集团有限公司 | Ball valve with pressure relief function |
| CN117027770A (en) * | 2023-09-26 | 2023-11-10 | 奥宸科技有限公司 | Gas well wellhead pressure real-time monitoring device |
| CN117027770B (en) * | 2023-09-26 | 2023-12-29 | 奥宸科技有限公司 | Gas well wellhead pressure real-time monitoring device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190813 Termination date: 20210107 |