CN211624516U - Gas pipeline valve with emergency cut-off function - Google Patents
Gas pipeline valve with emergency cut-off function Download PDFInfo
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- CN211624516U CN211624516U CN202020270401.XU CN202020270401U CN211624516U CN 211624516 U CN211624516 U CN 211624516U CN 202020270401 U CN202020270401 U CN 202020270401U CN 211624516 U CN211624516 U CN 211624516U
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Abstract
The utility model discloses a gas pipeline valve with emergency cut-off function, which belongs to the field of gas pipeline valves, and comprises a cut-off air valve, wherein both ends of the cut-off air valve are respectively fixedly connected with an air inlet pipe and an air outlet pipe, a movable cover matched with the self is connected in the cut-off air valve in a sliding way, a through hole is arranged on the movable cover, a separating net is fixedly connected in the through hole, a slide block is fixedly connected on the outer wall of the movable cover, a slide groove matched with the slide block is arranged on the inner wall of the cut-off air valve in a chiseling way, the cut-off air valve is connected with the movable cover in a sliding way through the slide groove and the slide block, a first compression spring is fixedly connected between the slide block and the inner wall of the slide groove, a detection pipe is inserted on the air outlet pipe, the detection pipe is communicated with the, is not easy to induce the safety accidents of fire, explosion or poisoning.
Description
Technical Field
The utility model relates to a gas pipeline valve field, more specifically say, relate to a gas pipeline valve with promptly cut-off function.
Background
The fuel gas is a general term for gas fuel, and can be combusted to release heat for residents and industrial enterprises. The gas supply at the present stage is usually centralized supply, is uniformly laid by a gas company, uniformly supplies gas, is uniformly managed, and greatly saves the gas use cost of a user.
An electric telescopic rod is an electric driving device which converts the rotary motion of a motor into the linear reciprocating motion of a push rod. The self-locking electric telescopic rod can be used as an execution machine in various simple or complex process flows to realize remote control, centralized control or automatic control, most of electric telescopic rods have self-locking force, namely, under the condition of power failure, the self-locking electric telescopic rod is in a self-locking state, the length change of the electric telescopic rod cannot be caused under the action of small external force, and a small number of electric telescopic rods do not have self-locking force.
Although a conventional personal valve for home entry can cut off the gas supply of a gas pipeline in an emergency, the personal valve is usually embedded indoors for the beauty of indoor decoration, and a user wants to use the personal valve, so that it is difficult to cut off the gas supply of the gas pipeline in an emergency, and thus a safety accident is easily caused.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a gas pipeline valve with promptly cut off function, it can realize detecting gas pipeline gas leakage back, closes gas pipeline automatically, is difficult for inducing conflagration, explosion or poisoned incident.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A gas pipeline valve with an emergency cut-off function comprises a cut-off air valve, wherein an air inlet pipe and an air outlet pipe are fixedly connected to two ends of the cut-off air valve respectively, a movable cover matched with the cut-off air valve is connected in the cut-off air valve in a sliding mode, a through hole is formed in the movable cover, a separation net is fixedly connected in the through hole, a sliding block is fixedly connected to the outer wall of the movable cover, a sliding groove matched with the sliding block is formed in the inner wall of the cut-off air valve in a drilling mode, the cut-off air valve is connected with the movable cover in a sliding mode through the sliding groove and the sliding block, a first compression spring is fixedly connected between the sliding block and the inner wall of the sliding groove, a detection pipe is connected to the air outlet pipe in an inserting mode, the detection pipe is communicated with the air outlet pipe, a piston is, one end of the limiting ring, which is close to the piston, is fixedly connected with a contact switch, so that the gas pipeline can be automatically closed after the gas leakage of the gas pipeline is detected, and the safety accident of fire, explosion or poisoning is not easily induced.
Furthermore, a sealing rubber pad is connected between the cutting-off air valve and the movable cover and fixedly connected with the inner wall of the cutting-off air valve, and the sealing rubber pad can increase the sealing performance between the cutting-off air valve and the movable cover, so that the movable cover is not easy to generate air leakage accidents when the air outlet pipe is in emergency cutting-off.
Further, the first compression spring of fixedly connected with between spout lateral wall and the slider, and first compression spring cup joints in electric telescopic handle's the outside, and the first compression spring that is in compression state has the trend that makes movable cover and slider to the motion of outlet duct off-state all the time, and when electric telescopic handle cut off the power supply, can the economy cut off the outlet duct, avoid taking place the gas leakage accident.
Furthermore, equal fixedly connected with polishing layer between the inner wall of detecting tube and the piston outer wall, and be interference fit between detecting tube and the piston, when reducing frictional force between detecting tube and the piston, do not influence the leakproofness between detecting tube and the piston.
Further, the test tube chooses transparent ya keli material for use to make, and the test tube surface can have the scale line, and the user can directly observe the position of piston in the test tube, can roughly predict and cut off gas valve, intake pipe and the intraductal gas pressure of giving vent to anger, makes things convenient for maintainer routine maintenance.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) this scheme can realize detecting gas pipeline gas leakage after, automatic close gas pipeline, is difficult for inducing the incident of conflagration, explosion or poisoning.
(2) A sealing rubber pad is connected between the cutting-off air valve and the movable cover and fixedly connected with the inner wall of the cutting-off air valve, and the sealing rubber pad can increase the sealing performance between the cutting-off air valve and the movable cover, so that the movable cover is not easy to generate air leakage accidents when the air outlet pipe is in emergency cutting-off.
(3) The first compression spring of fixedly connected with between spout lateral wall and the slider, and first compression spring cup joints in electric telescopic handle's the outside, and the first compression spring that is in compression state has the trend that makes movable cover and slider to the motion of outlet duct off-state all the time, and when electric telescopic handle cut off the power supply, can the economy cut off the outlet duct, avoid taking place the gas leakage accident.
(4) Equal fixedly connected with polishing layer between the inner wall of detecting tube and the piston outer wall, and be interference fit between detecting tube and the piston, when reducing frictional force between detecting tube and the piston, do not influence the leakproofness between detecting tube and the piston.
(5) The check tube chooses transparent ya keli material to make for use, and the check tube surface can have the scale mark, and the user can directly observe the position of piston in the check tube, can roughly predict and cut off gas valve, intake pipe and the intraductal gas pressure of giving vent to anger, makes things convenient for maintainer routine maintenance.
Drawings
FIG. 1 is a front sectional view of the present invention in normal operation;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
fig. 3 is a front sectional view of the utility model when cutting off emergently;
fig. 4 is a schematic structural diagram at B in fig. 2.
The reference numbers in the figures illustrate:
1 cutting-off valve body, 2 air inlet pipes, 3 air outlet pipes, 4 sliding grooves, 5 movable covers, 6 separating nets, 7 sliding blocks, 8 electric telescopic rods, 9 first compression springs, 10 sealing rubber gaskets, 11 detection pipes, 12 pistons, 13 second compression springs, 14 limiting rings and 15 contact switches.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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 in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-2, a gas pipeline valve with an emergency cut-off function comprises a cut-off gas valve 1, wherein both ends of the cut-off gas valve 1 are respectively and fixedly connected with a gas inlet pipe 2 and a gas outlet pipe 3, a movable cover 5 matched with the cut-off gas valve 1 is slidably connected with the cut-off gas valve, a through hole is formed in the movable cover 5, a separation net 6 is fixedly connected in the through hole, a slide block 7 is fixedly connected on the outer wall of the movable cover 5, a slide groove 4 matched with the slide block 7 is formed in the inner wall of the cut-off gas valve 1, the cut-off gas valve 1 and the movable cover 5 are slidably connected through the slide groove 4 and the slide block 7, a first compression spring 9 is fixedly connected between the slide block 7 and the inner wall of the slide groove 4, a detection pipe 11 is inserted in the gas outlet pipe 3, the detection pipe 11 is communicated with the gas outlet pipe 3, the notch of the detection tube 11 is connected with a limit ring 14 in a specified manner, one end of the limit ring 14 close to the piston 12 is fixedly connected with a contact switch 15, so that the gas pipeline can be automatically closed after the gas leakage of the gas pipeline is detected, and the safety accident of fire, explosion or poisoning is not easily induced.
Wherein 8 electric connection of electric telescopic handle has the control panel, and control panel electric connection has control panel, and contact switch 15 and control panel electric connection simultaneously, contact switch 15 can extend extreme position through control panel control electric telescopic handle 8, and user and maintainer can regulate and control 8 concrete lengths of electric telescopic handle through control panel.
Referring to fig. 1-4, a sealing rubber pad 10 is connected between the cut-off air valve 1 and the movable cover 5, the sealing rubber pad 10 is fixedly connected with the inner wall of the cut-off air valve 1, the sealing rubber pad 10 can increase the sealing performance between the cut-off air valve 1 and the movable cover 5, so that the movable cover 5 is not easy to generate air leakage accidents when the air outlet pipe 3 is cut off in an emergency, a first compression spring 9 is fixedly connected between the side wall of the chute 4 and the sliding block 7, the first compression spring 9 is sleeved outside the electric telescopic rod 8, the first compression spring 9 in a compression state always has the tendency of enabling the movable cover 5 and the sliding block 7 to move towards the cut-off state of the air outlet pipe 3, when the electric telescopic rod 8 is powered off, the air outlet pipe 3 can be cut off economically to avoid the air leakage accidents, polishing layers are fixedly connected between the inner wall of the detection pipe 11 and, when reducing frictional force between sense tube 11 and the piston 12, do not influence the leakproofness between sense tube 11 and the piston 12, sense tube 11 chooses transparent ya keli material for use and makes, and the 11 surface of sense tube can have the scale line, and the user can directly observe the position of piston 12 in sense tube 11, can roughly predict gas pressure in cutting off pneumatic valve 1, intake pipe 2 and the outlet duct 3, makes things convenient for maintainer routine maintenance.
Under the condition of normal gas supply, please refer to fig. 1-2, at this time, gas is supplied through the gas inlet pipe 2, the cut-off gas valve 1 and the gas outlet pipe 3, at this time, the gas pressure in the gas outlet pipe 3 is at a higher position, and when gas leakage occurs and emergency cut-off is required, the gas pressure in the gas outlet pipe 3 is reduced, at this time, under the action of the second compression spring 13 in a compressed state, the second compression spring 13 is pushed to the position shown in fig. 4, the piston 12 presses the contact switch 15, and the electric telescopic rod 8 is started, so that the electric telescopic rod 8 pushes the slider 7 and the movable cover 5 to the position shown in fig. 3, at this time, the movable cover 5 completes the sealing of the cut-off gas valve 1, the emergency cut-off is completed, a user can contact a professional maintainer to check the gas circuit at this time, and remove the fault, the air pressure in the air inlet pipe 2, the cut-off air valve 1 and the air outlet pipe 3 may fluctuate within an allowable range, so an enough distance needs to be reserved between the piston 12 and the contact switch 15, the length of the distance is selected by professional technicians according to the laying and supply conditions of a gas pipeline circuit, so that the gas pipeline can be automatically closed after the gas leakage of the gas pipeline is detected, and the safety accidents of fire, explosion or poisoning are not easily induced.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides a gas pipeline valve with promptly cut off function, is including cutting off pneumatic valve (1), the both ends difference fixedly connected with intake pipe (2) and outlet duct (3) of pneumatic valve (1) cut off, its characterized in that: the device is characterized in that a movable cover (5) matched with the device is connected with the cut-off air valve (1) in a sliding mode, a through hole is formed in the movable cover (5), a separation net (6) is fixedly connected in the through hole, a sliding block (7) is fixedly connected to the outer wall of the movable cover (5), a sliding groove (4) matched with the sliding block (7) is formed in the inner wall of the cut-off air valve (1), the cut-off air valve (1) is connected with the movable cover (5) in a sliding mode through the sliding groove (4) and the sliding block (7), a first compression spring (9) is fixedly connected between the sliding block (7) and the inner wall of the sliding groove (4), a detection pipe (11) is inserted into the air outlet pipe (3), the detection pipe (11) is communicated with the air outlet pipe (3), a piston (12) is connected with the detection pipe (11) in the sliding mode, a second compression spring (13) is fixedly connected, the notch of the detection tube (11) is connected with a limit ring (14) in a specified way, and one end of the limit ring (14) close to the piston (12) is fixedly connected with a contact switch (15).
2. A gas pipeline valve with an emergency shut-off function according to claim 1, wherein: and a sealing rubber pad (10) is connected between the cut-off air valve (1) and the movable cover (5), and the sealing rubber pad (10) is fixedly connected with the inner wall of the cut-off air valve (1).
3. A gas pipeline valve with an emergency shut-off function according to claim 1, wherein: a first compression spring (9) is fixedly connected between the side wall of the sliding groove (4) and the sliding block (7), and the first compression spring (9) is sleeved on the outer side of the electric telescopic rod (8).
4. A gas pipeline valve with an emergency shut-off function according to claim 1, wherein: and polishing layers are fixedly connected between the inner wall of the detection tube (11) and the outer wall of the piston (12), and the detection tube (11) is in interference fit with the piston (12).
5. A gas pipeline valve with an emergency shut-off function according to claim 1, wherein: the detection tube (11) is made of transparent acrylic materials, and scale marks can be arranged on the outer surface of the detection tube (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020270401.XU CN211624516U (en) | 2020-03-07 | 2020-03-07 | Gas pipeline valve with emergency cut-off function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020270401.XU CN211624516U (en) | 2020-03-07 | 2020-03-07 | Gas pipeline valve with emergency cut-off function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211624516U true CN211624516U (en) | 2020-10-02 |
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ID=72621232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020270401.XU Expired - Fee Related CN211624516U (en) | 2020-03-07 | 2020-03-07 | Gas pipeline valve with emergency cut-off function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211624516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116164139A (en) * | 2023-04-25 | 2023-05-26 | 河北安信燃气设备有限公司 | Safety cut-off valve for high-pressure gas pipeline |
-
2020
- 2020-03-07 CN CN202020270401.XU patent/CN211624516U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116164139A (en) * | 2023-04-25 | 2023-05-26 | 河北安信燃气设备有限公司 | Safety cut-off valve for high-pressure gas pipeline |
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| 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: 20201002 Termination date: 20210307 |
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| CF01 | Termination of patent right due to non-payment of annual fee |