CN214840170U - Gas pipeline leakage-proof device - Google Patents
Gas pipeline leakage-proof device Download PDFInfo
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- CN214840170U CN214840170U CN202121358968.3U CN202121358968U CN214840170U CN 214840170 U CN214840170 U CN 214840170U CN 202121358968 U CN202121358968 U CN 202121358968U CN 214840170 U CN214840170 U CN 214840170U
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Abstract
The utility model discloses a gas pipeline leakage-proof device, which comprises an air inlet pipe, an air outlet pipe and a gas transmission device; a first hollow pipe arranged in the vertical direction is arranged in the gas transmission device, second hollow pipes arranged in the horizontal direction are arranged on the left side and the right side of the first hollow pipe, a second circular piston is arranged in the second hollow pipe, and the second circular piston is connected with the second hollow pipe in a sliding mode through a second electric push rod; the upper side and the lower side of the second hollow pipe are both connected with connecting pipes, a pressure detection device is arranged inside the gas transmission device body, and a buzzer is arranged at the top of the gas transmission device body; this device detects the inside gas leakage's of gas-supply pipe condition through pressure measurement device, and when the inside gas leakage that takes place of gas-supply device, bee calling organ began to report to the police on the one hand, reminds the staff, and the circular piston of on the other hand second is stopped up the air vent, prevents the further leakage of gas.
Description
Technical Field
The utility model relates to a gas pipeline technical field specifically is a gas pipeline prevents leaking device.
Background
The fuel gas is a general name of gas fuel, can be combusted to release heat and is used by urban residents and industrial enterprises, the fuel gas has various types, mainly comprises natural gas, artificial fuel gas, liquefied petroleum gas, methane and coal gas, the fuel gas supply industry of China starts late compared with developed countries, the distributed fuel gas mainly comprises three types of gas, liquefied petroleum gas and natural gas, and the fuel gas supply of China is greatly increased from the last 90 years; but the device is prevented leaking in current gas, and the structure is comparatively complicated, can not in time detect its gas leakage condition to can not in time handle the gas leakage pipeline, seriously harm people's health and safety like this.
On the basis, Chinese patent publication No. CN207554807U discloses a natural gas pipeline leakage-preventing device, which comprises a leakage-preventing device body, wherein the leakage-preventing device body is provided with a gas pipe, the gas pipe is provided with a pressure gauge, the gas pipe on one side of the pressure gauge is provided with a pressure sensor, the gas pipe on the other side of the pressure gauge opposite to the pressure sensor is provided with a screw rod and a micro motor, the screw rod is provided with a belt pulley, the micro motor is connected with the belt pulley through a belt, the lower part of the gas pipe is connected with a detection cavity through a fixing bolt, a sealing ring is arranged between the detection cavity and the gas pipe, the detection cavity is internally provided with a gas cut-off valve, the screw rod and the pressure sensor both penetrate into the gas cut-off valve, and the gas cut-off cover is arranged inside the gas cut-off valve; the utility model discloses the beneficial effect who reaches is: the utility model has simple structure, is safe and reliable during use, cuts off the gas at the first time after detecting the natural gas leakage, reduces the gas leakage to a great extent, can automatically cut off the gas source even when no one is at home, and avoids the danger brought by the gas leakage; however, this device has the problems of complicated structure and poor use effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas pipeline prevents leaking device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a gas pipeline leakage-proof device comprises a gas inlet pipe, a gas outlet pipe and a gas transmission device; the right end of the air inlet pipe and the left end of the air outlet pipe are fixedly connected with the left wall and the right wall of the air conveying device respectively, a first hollow pipe which is arranged in the vertical direction is arranged inside the air conveying device, and a first circular piston is arranged inside the first hollow pipe; the left side and the right side of the first hollow pipe are respectively provided with a second hollow pipe arranged in the horizontal direction, a second circular piston is arranged in the second hollow pipe, and the second circular piston is connected with the second hollow pipe in a sliding manner through a second electric push rod; the upper side and the lower side of the second hollow pipe are both connected with connecting pipes, one-way valves are arranged on the connecting pipes, the tail ends of the connecting pipes are fixedly connected and communicated with the first hollow pipe, and the upper connecting pipe and the lower connecting pipe are respectively positioned on the upper side and the lower side of the first circular piston; the left wall and the right wall of the gas transmission device are both provided with vent holes, the vent holes and the second hollow pipe are located on the same horizontal plane, the inside of the gas transmission device body is provided with a pressure detection device, and the top of the gas transmission device body is provided with a buzzer.
As the preferred scheme of the utility model: the top and the bottom of first hollow tube all are equipped with a plurality of pillars, the bottom and the gas transmission device fixed connection of pillar.
As a further preferred embodiment of the present invention: the pressure detection device comprises a third hollow pipe, the third hollow pipe is fixedly connected with the inner top of the gas transmission device, and a pressure sensor is arranged inside the third hollow pipe.
As a further preferred embodiment of the present invention: the pressure sensor is fixedly connected with the inner top of the third hollow pipe, a third circular piston is arranged inside the third hollow pipe, and the third circular piston is movably connected with the pressure sensor through a first spring.
As a further preferred embodiment of the present invention: the bottom of the gas transmission device body is provided with a first electric push rod, the top of the first electric push rod is provided with a connecting rod, the connecting rod penetrates through the bottom of the first hollow pipe and is in sliding connection with the bottom of the first hollow pipe, and the top of the connecting rod is fixedly connected with the bottom of the first circular piston; the connecting rod is provided with a fixed block, the top of the fixed block is provided with a second spring, and the top of the second spring is fixedly connected with the bottom of the first hollow pipe.
Compared with the prior art, the beneficial effects of the utility model are that: when the phenomenon that gas leaks takes place inside the gas transmission device, pressure measurement detects the inside atmospheric pressure increase of gas transmission device, and pressure measurement device gives bee calling organ with signal transmission, and bee calling organ begins to report to the police this moment, reminds the staff, and pressure measurement device control second electric putter work simultaneously, and second electric putter promotes the circular piston of second and makes the circular piston of second plug up the air vent, can in time cut off the air supply, prevents the further leakage of gas.
Drawings
Fig. 1 is a front view of the whole structure of a gas pipeline leakage-proof device.
Fig. 2 is a schematic view of the connection of the first hollow pipe of the leakage preventing device for the gas pipeline.
Fig. 3 is a schematic connection diagram of a pressure detection device of a gas pipeline leakage prevention device.
In the figure: 1-air inlet pipe, 2-air outlet pipe, 3-air conveying device, 4-first hollow pipe, 5-support, 6-pressure detecting device, 7-buzzer, 8-vent hole, 9-second hollow pipe, 10-second circular piston, 11-second electric push rod, 12-one-way valve, 13-connecting pipe, 14-pressure sensor, 15-third hollow pipe, 16-first spring, 17-third circular piston, 18-first circular piston, 19-connecting rod, 20-second spring, 21-first electric push rod and 22-fixing block.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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," "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 in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, in an embodiment of the present invention, a gas pipeline leakage prevention device includes an inlet pipe 1, an outlet pipe 2, and a gas transmission device 3; the right end of the air inlet pipe 1 and the left end of the air outlet pipe 2 are fixedly connected with the left wall and the right wall of the air transmission device 3 respectively, a first hollow pipe 4 arranged in the vertical direction is arranged inside the air transmission device 3, and a first circular piston 18 is arranged inside the first hollow pipe 4; the left side and the right side of the first hollow pipe 4 are respectively provided with a second hollow pipe 9 arranged in the horizontal direction, a second circular piston 10 is arranged inside the second hollow pipe 9, and the second circular piston 10 is connected with the second hollow pipe 9 in a sliding manner through a second electric push rod 11; the upper side and the lower side of the second hollow pipe 9 are both connected with connecting pipes 13, the connecting pipes 13 are provided with one-way valves 12, the tail ends of the connecting pipes 13 are fixedly connected and communicated with the first hollow pipe 4, and the upper connecting pipe 13 and the lower connecting pipe 13 are respectively positioned on the upper side and the lower side of a first circular piston 18; the air transmission device is characterized in that air holes 8 are formed in the left wall and the right wall of the air transmission device 3, the air holes 8 and the second hollow pipe 9 are located on the same horizontal plane, a pressure detection device 6 is arranged inside the air transmission device 3, and a buzzer 7 is arranged at the top of the air transmission device 3.
Specifically, a plurality of pillars 5 are arranged at the top and the bottom of the first hollow pipe 4, and the bottoms of the pillars 5 are fixedly connected with the gas transmission device 3.
Specifically, the pressure detection device 6 comprises a third hollow pipe 15, the third hollow pipe 15 is fixedly connected with the inner top of the gas transmission device 3, and a pressure sensor 14 is arranged inside the third hollow pipe 15.
Specifically, the pressure sensor 14 is fixedly connected with the inner top of the third hollow tube 15, a third circular piston 17 is arranged inside the third hollow tube 15, and the third circular piston 17 is movably connected with the pressure sensor 14 through a first spring 16.
The utility model discloses a theory of operation is: this device is when ventilating to gas, the gas at first enters into the inside of the left second hollow tube 9 of first hollow tube 4 through air vent 8, then enter into the inside of first hollow tube 4 through connecting pipe 13, the second hollow tube 9 on first hollow tube 4 right side again finally enters into the inside of outlet duct 2, if the phenomenon of gas leakage takes place this moment, pressure measurement device 6 detects the inside atmospheric pressure increase of gas transmission device 3 this moment, pressure measurement device 6 gives buzzer 7 with signal transmission, buzzer 7 begins to report to the police this moment, remind the staff, pressure measurement device 6 controls the work of second electric putter 11 simultaneously, second electric putter 11 promotes the circular piston 10 of second and makes the circular piston 10 of second plug up air vent 8, prevent the further leakage of gas.
Example 2:
on the basis of embodiment 1, in the embodiment of the present invention, in the gas pipeline leakage preventing device, the bottom of the gas transmission device 3 body is provided with a first electric push rod 21, the top of the first electric push rod 21 is provided with a connecting rod 19, the connecting rod 19 penetrates through the bottom of the first hollow pipe 4 and is slidably connected with the bottom of the first hollow pipe, and the top of the connecting rod 19 is fixedly connected with the bottom of the first circular piston 18; the connecting rod 19 is provided with a fixed block 22, the top of the fixed block 22 is provided with a second spring 20, and the top of the second spring 20 is fixedly connected with the bottom of the first hollow tube 4.
Drive first circular piston 18 through first electric putter 21 and move from top to bottom, first circular piston 18 extrusion gas has improved the output rate of gas in first hollow tube 4 inside, has effectually prevented gas transmission device 3 to the influence of gas transmission rate.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A gas pipeline leakage-proof device comprises a gas inlet pipe (1), a gas outlet pipe (2) and a gas transmission device (3); the device is characterized in that the right end of the air inlet pipe (1) and the left end of the air outlet pipe (2) are fixedly connected with the left wall and the right wall of the air transmission device (3) respectively, a first hollow pipe (4) arranged in the vertical direction is arranged inside the air transmission device (3), and a first circular piston (18) is arranged inside the first hollow pipe (4); the left side and the right side of the first hollow pipe (4) are respectively provided with a second hollow pipe (9) which is arranged in the horizontal direction, a second circular piston (10) is arranged inside the second hollow pipe (9), and the second circular piston (10) is connected with the second hollow pipe (9) in a sliding mode through a second electric push rod (11); the upper side and the lower side of the second hollow pipe (9) are both connected with connecting pipes (13), the connecting pipes (13) are provided with one-way valves (12), the tail ends of the connecting pipes (13) are fixedly connected and communicated with the first hollow pipe (4), and the upper connecting pipe (13) and the lower connecting pipe (13) are respectively positioned on the upper side and the lower side of the first circular piston (18); the gas transmission device is characterized in that the left wall and the right wall of the gas transmission device (3) are respectively provided with a vent hole (8), the vent holes (8) and the second hollow pipe (9) are located on the same horizontal plane, a pressure detection device (6) is arranged inside the gas transmission device (3) body, and a buzzer (7) is arranged at the top of the gas transmission device (3) body.
2. A gas pipeline leakage preventing device according to claim 1, wherein a plurality of pillars (5) are provided on the top and bottom of the first hollow pipe (4), and the bottom of the pillars (5) is fixedly connected with the gas transmission device (3).
3. A gas pipeline leakage preventing device according to claim 2, wherein the pressure detecting device (6) comprises a third hollow pipe (15), the third hollow pipe (15) is fixedly connected with the inner top of the gas transmission device (3), and a pressure sensor (14) is arranged inside the third hollow pipe (15).
4. A gas pipeline leakage preventing device according to claim 3, wherein the pressure sensor (14) is fixedly connected with the inner top of the third hollow pipe (15), a third circular piston (17) is arranged inside the third hollow pipe (15), and the third circular piston (17) is movably connected with the pressure sensor (14) through a first spring (16).
5. A gas pipeline leakage-proof device according to claim 1 or 2, wherein the bottom of the gas transmission device (3) body is provided with a first electric push rod (21), the top of the first electric push rod (21) is provided with a connecting rod (19), the connecting rod (19) penetrates through the bottom of the first hollow pipe (4) and is connected with the bottom in a sliding manner, and the top of the connecting rod (19) is fixedly connected with the bottom of the first circular piston (18); the connecting rod (19) is provided with a fixing block (22), the top of the fixing block (22) is provided with a second spring (20), and the top of the second spring (20) is fixedly connected with the bottom of the first hollow pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121358968.3U CN214840170U (en) | 2021-06-18 | 2021-06-18 | Gas pipeline leakage-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121358968.3U CN214840170U (en) | 2021-06-18 | 2021-06-18 | Gas pipeline leakage-proof device |
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| CN214840170U true CN214840170U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121358968.3U Active CN214840170U (en) | 2021-06-18 | 2021-06-18 | Gas pipeline leakage-proof device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114788960A (en) * | 2022-04-15 | 2022-07-26 | 唐静 | Distillation equipment for producing ethylene glycol and method thereof for preventing pipeline leakage |
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2021
- 2021-06-18 CN CN202121358968.3U patent/CN214840170U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114788960A (en) * | 2022-04-15 | 2022-07-26 | 唐静 | Distillation equipment for producing ethylene glycol and method thereof for preventing pipeline leakage |
| CN114788960B (en) * | 2022-04-15 | 2024-04-05 | 西安星瀚未来实业有限责任公司 | Distillation equipment for ethylene glycol production capable of preventing pipeline leakage and method thereof |
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