CN214663757U - Oil gas leakage safety detection device - Google Patents
Oil gas leakage safety detection device Download PDFInfo
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- CN214663757U CN214663757U CN202022982445.8U CN202022982445U CN214663757U CN 214663757 U CN214663757 U CN 214663757U CN 202022982445 U CN202022982445 U CN 202022982445U CN 214663757 U CN214663757 U CN 214663757U
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- oil gas
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- piston rod
- oil
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Abstract
The utility model discloses an oil gas leakage safety inspection device, include the valve body and install the flange board at valve body both ends, still include detection cover and the under shield through bolted seal connection. The utility model has the advantages that after the oil gas in the pipeline at the valve leaks, the pressure of the oil gas pushes the piston rod upwards, and when the piston rod is pushed to the gas storage cavity, the pressing plate just extrudes the alarm switch to prompt the worker to leak the oil gas; the staff learns oil gas leakage this moment, can hold the oil gas of intracavity with leaking the gas storage chamber that communicates each other through the bleeder valve, and this section pipeline in the oil gas after-pumping, dismantle at last and change this section pipeline, the overall process, not only detect and have indicateed that oil gas takes place to leak, but also improved this section and let out the convenience that the oil gas was retrieved, the oil gas end is leaked in the leakage has been reduced, the possibility in the air is leaked to the oil gas, the security that is used for oil gas to leak safety inspection device has been improved.
Description
Technical Field
The utility model relates to an oil gas leakage safety inspection device.
Background
The oil-gas valve is used for being installed on a natural gas or petroleum pipeline and plays a role in opening and closing, the valve mainly comprises a main valve body and a valve cover, but the valve rod is screwed for a long time, so that the connection between the main valve body and the valve cover is easy to loosen, only natural gas leaks, gas waste is caused, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an oil gas leakage safety inspection device has solved prior art and has lacked a problem that is used for detecting the leakage device who installs the oil gas valve door on the petroleum pipeline.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a safety detection device for oil gas leakage comprises a valve body, flange plates arranged at two ends of the valve body, a detection cover and a bottom cover which are hermetically connected through bolts, the two ends of the detection cover and the bottom cover are respectively attached to the side walls of the two flange plates, a gas storage cavity is arranged inside the detection cover, a top cover is arranged at the top of the detection cover, a movable cavity is arranged in the top cover, a piston rod which is movable between the movable cavity and the air storage cavity is vertically, hermetically and slidably arranged in the air storage cavity, an alarm switch opposite to the piston rod is arranged in the movable cavity, an electric control box is arranged at one side of the top cover, the alarm switch is electrically connected with the electric control box, the detection cover is arranged on the valve body, a leaked gas containing cavity is formed between the inner side of the detection cover and the valve body, and the bottom end of the piston rod penetrates through the gas storage cavity to the leaked gas containing cavity.
Preferably, an air extraction valve is installed on the outer wall of the detection cover.
Preferably, a pressing plate is movably arranged in the movable cavity, the top end of the piston rod is fixedly installed with the pressing plate, a sealing sleeve is installed between the lower end face of the pressing plate and the detection cover, and the piston rod is arranged in the sealing sleeve.
Preferably, the upper end face of the pressure plate is connected with the inner wall of the movable cavity through a spring, and the top of the top cover is provided with a guide opening opposite to the pressure plate.
Preferably, a power supply, a controller and a buzzer are installed in the electric control box, and the alarm switch, the power supply, the controller and the buzzer are electrically connected.
Preferably, when the upper end surface of the pressing plate abuts against the alarm switch, the bottom end of the piston rod is located in the air storage cavity.
The utility model discloses possess following beneficial effect at least:
1. after oil gas leaks through the pipeline at the valve, the pressure of the oil gas pushes the piston rod upwards, and when the piston rod is pushed to the gas storage cavity, the pressing plate just extrudes the alarm switch so as to prompt workers to generate oil gas leakage; the staff learns oil gas leakage this moment, can hold the oil gas of intracavity with leaking the gas storage chamber that communicates each other through the bleeder valve, and this section pipeline in the oil gas after-pumping, dismantle at last and change this section pipeline, the overall process, not only detect and have indicateed that oil gas takes place to leak, but also improved this section and let out the convenience that the oil gas was retrieved, the oil gas end is leaked in the leakage has been reduced, the possibility in the air is leaked to the oil gas, the security that is used for oil gas to leak safety inspection device has been improved.
2. Through detection device there is detachable to detect cover and end cover and constitute, the piston rod can reset through the guide mouth, even if this section pipeline oil gas leaks, this detection device can also continue repetitious usage, has improved detection device's utilization ratio and life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
FIG. 1 is a schematic diagram of the apparatus;
FIG. 2 is a schematic view of the device and valve body mounted in elevation;
fig. 3 is a schematic view of the device in the state when the piston rod is driven upward.
In the figure: 1. a valve body; 2. a flange plate; 3. a detection cover; 4. a gas storage cavity; 5. an air extraction valve; 6. a piston rod; 7. pressing a plate; 8. a top cover; 9. a movable cavity; 10. an alarm switch; 11. a spring; 12. a guide port; 13. an electronic control box; 14. a bottom cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, an oil gas leakage safety detection device comprises a valve body 1 and flange plates 2 installed at two ends of the valve body 1, and further comprises a detection cover 3 and a bottom cover 14 which are connected through bolts in a sealing manner, two ends of the detection cover 3 and the bottom cover 14 are respectively attached to the side walls of the two flange plates 2, a gas storage cavity 4 is arranged inside the detection cover 3, a top cover 8 is installed at the top of the detection cover 3, a movable cavity 9 is arranged in the top cover 8, a piston rod 6 which is movable between the movable cavity 9 and the gas storage cavity 4 is vertically and slidably arranged in the gas storage cavity 4, an alarm switch 10 which is opposite to the piston rod 6 is installed in the movable cavity 9, an electric control box 13 is installed at one side of the top cover 8, the alarm switch 10 is electrically connected with the electric control box 13, after the detection cover 3 is installed on the valve body 1, a leakage gas containing cavity is formed between the inner side of the detection cover 3 and the valve body 1, the bottom end of the piston rod 6 penetrates through the gas storage cavity 4 to the leakage gas containing cavity, an air suction valve 5 is installed on the outer wall of the detection cover 3, a pressing plate 7 is movably arranged in the movable cavity 9, the top end of the piston rod 6 is fixedly installed with the pressing plate 7, a sealing sleeve is installed between the lower end face of the pressing plate 7 and the detection cover 3, the piston rod 6 is arranged in the sealing sleeve, the upper end face of the pressing plate 7 is connected with the inner wall of the movable cavity 9 through a spring 11, a guide opening 12 opposite to the pressing plate 7 is formed in the top of the top cover 8, a power supply, a controller and a buzzer are installed in the electric control box 13, the alarm switch 10, the power supply, the controller and the buzzer are electrically connected, and when the upper end face of the pressing plate 7 abuts against the alarm switch 10, the bottom end of the piston rod 6 is located in the air storage cavity 4;
when the oil gas leakage warning device is used, the detection cover 3 and the bottom cover 14 are installed on the flange plates 2 at two ends of the valve body 1, so that a leakage gas containing cavity is formed between the inner side of the detection cover 3 and the inner side of the bottom cover 14 and the outer wall of the valve body 1, when oil gas leaks at the position, the leakage gas containing cavity is filled with oil gas, the oil gas in the leakage gas containing cavity gradually changes at the flow speed of the oil gas, the pressure in the leakage gas containing cavity is increased, the piston rod 6 is pushed upwards, when the piston rod 6 is pushed to the gas storage cavity 4, the pressure plate 7 just extrudes the warning switch 10 to prompt a worker to leak the oil gas, the leaked oil gas is stored in the gas storage cavity 4 and the leakage gas containing cavity which are communicated with each other, a user can close the valves at two ends of the pipeline, then the oil gas in the pipeline is extracted through the air extraction valve 5, and finally the pipeline is disassembled and replaced, in the overall process, not only detect and indicate that oil gas takes place to leak, but also improved this section and let out the convenience that the oil gas was retrieved, reduced and let out the oil gas end, possibility in the oil gas leaked the air has improved the security that is used for oil gas leakage safety inspection device.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The oil gas leakage safety detection device comprises a valve body (1) and flange plates (2) arranged at two ends of the valve body (1), and is characterized by further comprising a detection cover (3) and a bottom cover (14) which are connected through bolt sealing, the two ends of the detection cover (3) and the bottom cover (14) are respectively attached to the side walls of the two flange plates (2), a gas storage cavity (4) is arranged inside the detection cover (3), a top cover (8) is arranged at the top of the detection cover (3), a movable cavity (9) is arranged in the top cover (8), a piston rod (6) which is movable between the movable cavity (9) and the gas storage cavity (4) is vertically and hermetically arranged in the gas storage cavity (4) in a sliding manner, an alarm switch (10) which is just opposite to the piston rod (6) is arranged in the movable cavity (9), an electric control box (13) is arranged on one side of the top cover (8), alarm switch (10) are connected with automatically controlled box (13) electricity, detect cover (3) and install back on valve body (1), detect and form leakage gas between the inboard of cover (3) and valve body (1) and hold the chamber, the bottom of piston rod (6) runs through gas storage chamber (4) to leakage gas and holds the intracavity.
2. The oil and gas leakage safety detection device according to claim 1, characterized in that an air extraction valve (5) is installed on the outer wall of the detection cover (3).
3. The oil-gas leakage safety detection device according to claim 1, wherein a pressure plate (7) is movably arranged in the movable cavity (9), the top end of the piston rod (6) is fixedly mounted with the pressure plate (7), a sealing sleeve is mounted between the lower end face of the pressure plate (7) and the detection cover (3), and the piston rod (6) is arranged in the sealing sleeve.
4. The oil-gas leakage safety detection device according to claim 3, characterized in that the upper end face of the pressure plate (7) is connected with the inner wall of the movable cavity (9) through a spring (11), and the top of the top cover (8) is provided with a guide opening (12) opposite to the pressure plate (7).
5. The oil and gas leakage safety detection device according to claim 1, characterized in that a power supply, a controller and a buzzer are installed in the electric control box (13), and the alarm switch (10), the power supply, the controller and the buzzer are electrically connected.
6. The oil and gas leakage safety detection device according to claim 3, wherein when the upper end surface of the pressure plate (7) abuts against the alarm switch (10), the bottom end of the piston rod (6) is located in the gas storage cavity (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022982445.8U CN214663757U (en) | 2020-12-14 | 2020-12-14 | Oil gas leakage safety detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022982445.8U CN214663757U (en) | 2020-12-14 | 2020-12-14 | Oil gas leakage safety detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214663757U true CN214663757U (en) | 2021-11-09 |
Family
ID=78499126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022982445.8U Active CN214663757U (en) | 2020-12-14 | 2020-12-14 | Oil gas leakage safety detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214663757U (en) |
-
2020
- 2020-12-14 CN CN202022982445.8U patent/CN214663757U/en active Active
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