CN216672580U - Explosion-proof flexible pipe used in scene with potential explosion hidden danger - Google Patents
Explosion-proof flexible pipe used in scene with potential explosion hidden danger Download PDFInfo
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- CN216672580U CN216672580U CN202123283859.2U CN202123283859U CN216672580U CN 216672580 U CN216672580 U CN 216672580U CN 202123283859 U CN202123283859 U CN 202123283859U CN 216672580 U CN216672580 U CN 216672580U
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Abstract
The utility model discloses an explosion-proof flexible pipe used in a scene with potential explosion hidden danger, which relates to the field of explosion-proof flexible pipes and comprises an explosion-proof flexible outer pipe, wherein an explosion-proof flexible inner pipe is arranged in the explosion-proof flexible outer pipe, a pressure chamber is arranged between the explosion-proof flexible outer pipe and the explosion-proof flexible inner pipe, high pressure is filled in the pressure chamber through a gas conveying unit, when a scene with potential explosion hidden danger exists inside and outside the explosion-proof flexible outer pipe, the explosion-proof flexible inner pipe or the explosion-proof flexible outer pipe is compressed from the inside or the outside of the explosion-proof flexible outer pipe during explosion, an explosion-proof sheet at the joint of a second gas pipe and the pressure chamber is expanded during compression of the pressure chamber, so that high-pressure gas enters a storage box along the second gas pipe for temporary storage, the purpose of buffering and pressure release is achieved during the gas release process in the pressure chamber, and the phenomenon of leakage or damage of the explosion-proof flexible outer pipe caused by explosion is avoided, the safety is high.
Description
Technical Field
The utility model relates to the field of explosion-proof flexible pipes, in particular to an explosion-proof flexible pipe used in a scene with potential explosion hidden danger.
Background
Explosion-proof flexible pipe: the explosion-proof flexible connecting pipe has the advantages of flame resistance, corrosion resistance, water resistance, aging resistance, good flexible explosion-proof flexible connecting pipe, firm structure and the like.
However, in the prior art, the end parts of the explosion-proof flexible pipes are often connected in a matching way through a thread structure, and safety accidents easily occur when the thread structure is loosened or the thread structure is corroded after long-time use.
Therefore, it is necessary to invent an explosion-proof flexible pipe for a scene with potential explosion hazard to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an explosion-proof flexible pipe used in a scene with potential explosion hazards, and the explosion-proof flexible pipe is used for solving the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an explosion-proof flexible pipe for having under potential explosion hidden danger scene, includes explosion-proof flexible outer tube, the inside of explosion-proof flexible outer tube is provided with explosion-proof flexible inner tube, is provided with the pressure cavity between explosion-proof flexible outer tube and the explosion-proof flexible inner tube, the both ends of explosion-proof flexible outer tube all are fixed and are provided with the linkage segment, are provided with the storage box in the linkage segment of one side, the lower extreme intercommunication of storage box has gas conveying unit, and gas conveying unit's lower extreme intercommunication first trachea, the inside of linkage segment is provided with the passageway, and the passageway in a set of linkage segment communicates between first trachea and pressure cavity, and the passageway in another set of linkage segment communicates between pressure cavity and second trachea, the one end that the passageway was kept away from to the second trachea communicates the storage box, the one end that the explosion-proof flexible outer tube was kept away from to the linkage segment still is provided with connection structure.
Preferably, the connection structure comprises a threaded pipe, the threaded pipe is fixedly welded on the end face of the connection section, a rubber air bag is fixedly arranged at the outer ring of the threaded pipe, a protection ring is fixedly arranged on one face, away from the storage box, of the rubber air bag, and an external thread is arranged at the outer ring of the threaded pipe.
In the embodiment, in order to solve the problem that the end parts of the explosion-proof flexible pipe are often connected in a matching way through a threaded structure and a safety accident is easy to occur when the threaded structure is loosened or the threaded structure is rusted after long-time use, the explosion-proof flexible outer pipe is internally provided with the explosion-proof flexible inner pipe, a pressure chamber is arranged between the explosion-proof flexible outer pipe and the explosion-proof flexible inner pipe, the pressure chamber is charged with high pressure through a gas conveying unit, when a scene with potential explosion hidden danger exists inside and outside the explosion-proof flexible outer pipe, the explosion-proof flexible inner pipe or the explosion-proof flexible outer pipe is compressed from the inside or outside of the explosion-proof flexible outer pipe during explosion, an explosion-proof sheet at the joint of the second gas pipe and the pressure chamber is expanded when the pressure chamber is compressed, so that high-pressure gas enters the storage box along the second gas pipe, and the purpose of buffering and pressure releasing are achieved in the process of releasing the gas in the pressure chamber, the phenomenon that the explosion causes the leakage or the damage of the explosion-proof flexible outer pipe is avoided, and the safety is high.
Preferably, the one end that the connecting segment was kept away from to the screwed pipe is provided with the elastic deformation district, the tip in elastic deformation district is provided with the elasticity clamping ring, the inner circle department in elastic deformation district is provided with the gasbag, the gasbag is fixed in the inner circle department in elastic deformation district.
It should be noted that the gas delivery unit may use a gas pump or other devices, and the gas delivery unit may introduce the high-pressure gas temporarily stored in the storage tank into the pressure chamber, and when the electromagnetic valve on the first gas pipe is closed, the gas in the pressure chamber may not flow in the reverse direction.
Preferably, a connecting pipe is fixedly arranged on the inner wall of the connecting section and is communicated between the air bag and the gas channel.
Furthermore, in order to avoid the phenomenon that the existing pipeline is easy to loosen when connected through the threaded structure, the end part of the threaded pipe is provided with an elastic deformation area, the end part of the elastic deformation area is provided with an elastic pressing ring, when the external pipeline is connected to the outside of the threaded pipe, the external pipeline and the connecting section are fixed through the threaded structure, primary sealing is realized through the threaded structure, and secondary sealing is realized through the rubber air bag.
Preferably, the threaded pipe is of an annular structure, the diameter of the outer ring of the threaded pipe is equal to that of the inner ring of the rubber air bag, and the protection ring is movably sleeved on the outer ring of the threaded pipe.
Specifically, when outside pipeline compression rubber gasbag, gas in the rubber gasbag can loop through gas passage, connecting pipe entering gasbag for gasbag inflation deformation and conflict elastic deformation district tip's elastic compression ring expand to prop to the outside pipeline inner wall, play and prevent the not hard up purpose of helicitic texture, the practicality is strong.
Preferably, the diameter of the outer ring of the elastic pressing ring is equal to that of the outer ring of the threaded pipe, and an external thread is also arranged at the outer ring of the elastic pressing ring.
The protection ring protects one side of the rubber air bag, the purpose of replacing the rubber air bag to be in contact with an external pipeline is achieved, and pressure loss of the external pipeline to the rubber air bag is avoided.
Preferably, the length of the rubber air bag is smaller than that of the threaded pipe, one-way air valves are arranged on the first air pipe and the second air pipe, an electromagnetic valve is arranged on the first air pipe, the one-way air valve on the first air pipe is communicated with the pressure chamber in a one-way mode, the one-way air valve in the second air pipe is communicated with the storage box in a one-way mode, and an explosion-proof sheet is arranged at the position where the second air pipe is communicated with the pressure chamber.
In the device, the explosion-proof sheet is a common explosion-proof sheet, usually a circular sheet is welded at a position to be sealed, a cross-shaped gap is arranged in the middle of the circular sheet, when the pressure in the pressure chamber exceeds a set threshold value of the explosion-proof sheet, the air pressure can push the explosion-proof sheet to open at the position of the cross-shaped gap so as to release pressure, and after the pressure is released, the cross-shaped gap on the explosion-proof sheet recovers deformation and continues to be used.
The utility model has the technical effects and advantages that:
1. the utility model discloses an explosion-proof flexible pipe used in a scene with potential explosion hidden danger, which comprises an explosion-proof flexible outer pipe, wherein an explosion-proof flexible inner pipe is arranged in the explosion-proof flexible outer pipe, a pressure chamber is arranged between the explosion-proof flexible outer pipe and the explosion-proof flexible inner pipe, two ends of the explosion-proof flexible outer pipe are fixedly provided with connecting sections, in order to solve the problem that the end parts of the explosion-proof flexible outer pipe are often connected in a matching way through a thread structure, and a safety accident is easy to occur when the thread structure is loosened or the thread structure is rusted after long-time use, the explosion-proof flexible inner pipe is arranged in the explosion-proof flexible outer pipe, the pressure chamber is arranged between the explosion-proof flexible outer pipe and the explosion-proof flexible inner pipe, high pressure is filled in the pressure chamber through a gas conveying unit, and when a scene with potential explosion hidden danger exists inside and outside the explosion-proof flexible outer pipe, the explosion-proof flexible inner pipe or the explosion-proof flexible outer pipe is compressed from the inside or outside the explosion-proof flexible outer pipe, when the pressure chamber is compressed, the explosion-proof sheet at the joint of the second air pipe and the pressure chamber is spread, so that high-pressure gas enters the storage box along the second air pipe for temporary storage, and the purpose of buffering and releasing pressure is achieved in the process of releasing gas in the pressure chamber, the phenomenon that the explosion-proof flexible outer pipe leaks or is damaged due to explosion is avoided, and the safety is high;
2. according to the explosion-proof flexible pipe used in the scene with potential explosion hazards, in order to avoid the phenomenon that the existing pipeline is easy to loosen when connected through a threaded structure, the end part of the threaded pipe is provided with an elastic deformation area, the end part of the elastic deformation area is provided with an elastic pressing ring, when the external pipeline is connected to the outside of the threaded pipe, the external pipeline and the connecting section are fixed through the threaded structure, primary sealing is realized through the threaded structure, and secondary sealing is realized through a rubber air bag;
3. according to the explosion-proof flexible pipe used in the scene with potential explosion hazards, when an external pipeline compresses the rubber air bag, gas in the rubber air bag can sequentially enter the air bag through the gas channel and the connecting pipe, so that the air bag expands and deforms to abut against the elastic compression ring at the end part of the elastic deformation area to expand and support the inner wall of the external pipeline, the purpose of preventing the thread structure from loosening is achieved, and the practicability is high.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the explosion-proof flexible outer tube.
Fig. 3 is a schematic view of the structure of the connection segment of the present invention.
In the figure: 1. an explosion-proof flexible outer tube; 2. a connecting section; 3. a storage box; 4. a gas delivery unit; 5. a first air pipe; 6. a second air pipe; 7. an explosion-proof flexible inner tube; 8. a pressure chamber; 9. a rubber air bag; 10. a gas channel; 11. a guard ring; 12. a threaded pipe; 13. a connecting pipe; 14. an elastic deformation region; 15. an elastic compression ring; 16. an air bag.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides an explosion-proof flexible pipe used in a scene with potential explosion hazards, as shown in fig. 1-3, which comprises an explosion-proof flexible outer pipe 1, an explosion-proof flexible inner pipe 7 is arranged inside the explosion-proof flexible outer pipe 1, a pressure chamber 8 is arranged between the explosion-proof flexible outer pipe 1 and the explosion-proof flexible inner pipe 7, connecting sections 2 are fixedly arranged at both ends of the explosion-proof flexible outer pipe 1, a storage box 3 is arranged in the connecting section 2 at one side, a gas conveying unit 4 is communicated with the lower end of the storage box 3, the lower end of the gas conveying unit 4 is communicated with a first gas pipe 5, a channel is arranged inside the connecting section 2, channels in one group of connecting sections 2 are communicated between the first gas pipe 5 and the pressure chamber 8, channels in the other group of connecting sections 2 are communicated between the pressure chamber 8 and a second gas pipe 6, one end of the second gas pipe 6, which is far away from the channels, is communicated with the storage box 3, and a connecting structure is further arranged at one end of the connecting section 2, which is far away from the explosion-proof flexible outer pipe 1.
The connecting structure comprises a threaded pipe 12, the threaded pipe 12 is fixedly welded on the end face of the connecting section 2, a rubber air bag 9 is fixedly arranged at the outer ring of the threaded pipe 12, a protection ring 11 is fixedly arranged on one face, away from the storage box 3, of the rubber air bag 9, and external threads are arranged at the outer ring of the threaded pipe 12.
In the embodiment, in order to solve the problem that the end portions of the explosion-proof flexible pipes are often connected in a matching manner through the threaded structures, and safety accidents easily occur when the threaded structures are loosened or the threaded structures are rusted after long-time use, the explosion-proof flexible outer pipe 1 is internally provided with the explosion-proof flexible inner pipe 7, a pressure chamber 8 is arranged between the explosion-proof flexible outer pipe 1 and the explosion-proof flexible inner pipe 7, and the pressure chamber 8 is filled with high pressure through the gas conveying unit 4, when a high-pressure potential explosion hidden danger scene exists inside and outside the explosion-proof flexible outer pipe 1, the explosion-proof flexible inner pipe 7 or the explosion-proof flexible outer pipe 1 is compressed from the inside or outside of the explosion-proof flexible outer pipe 1 during explosion, and the explosion-proof sheet at the connection position of the second gas pipe 6 and the pressure chamber 8 is stretched when the pressure chamber 8 is compressed, so that high-pressure gas enters the storage tank 3 along the second gas pipe 6 for temporary storage, and the gas in the pressure chamber 8 plays a role in buffering and pressure relief in the process of releasing, so that the phenomenon of leakage or damage of the explosion-proof flexible outer tube 1 caused by explosion is avoided, and the safety is high.
One end of the threaded pipe 12, which is far away from the connecting section 2, is provided with an elastic deformation area 14, the end part of the elastic deformation area 14 is provided with an elastic pressing ring 15, the inner ring of the elastic deformation area 14 is provided with an air bag 16, and the air bag 16 is fixed at the inner ring of the elastic deformation area 14.
It should be noted that the gas delivery unit 4 may use a gas pump or the like, the gas delivery unit 4 may introduce the high-pressure gas temporarily stored in the storage tank 3 into the pressure chamber 8, and when the electromagnetic valve on the first gas pipe 5 is closed, the gas in the pressure chamber 8 does not flow reversely.
The inner wall of the connecting section 2 is fixedly provided with a connecting pipe 13, and the connecting pipe 13 is communicated between the air bag 16 and the air channel 10.
Further, in order to avoid the phenomenon that the existing pipeline is easy to loosen when connected through the threaded structure, the end part of the threaded pipe 12 is provided with the elastic deformation area 14, the end part of the elastic deformation area 14 is provided with the elastic compression ring 15, when the external pipeline is connected to the outside of the threaded pipe 12, the external pipeline is fixed with the connecting section 2 through the threaded structure, primary sealing is realized through the threaded structure, and secondary sealing is realized through the rubber air bag 9.
The threaded pipe 12 is of an annular structure, the diameter of the outer ring of the threaded pipe 12 is equal to that of the inner ring of the rubber air bag 9, and the protection ring 11 is movably sleeved on the outer ring of the threaded pipe 12.
Specifically, when outside pipeline compression rubber gasbag 9, gas in the rubber gasbag 9 can loop through gas channel 10, during connecting pipe 13 gets into gasbag 16 for 16 inflation deformations and conflict elastic deformation district 14 tip's elastic clamping ring 15 expands to the outside pipeline inner wall and props, plays the purpose that prevents the helicitic texture and become flexible, and the practicality is strong.
The diameter of the outer ring of the elastic pressing ring 15 is equal to that of the outer ring of the threaded pipe 12, and an external thread is also arranged at the outer ring of the elastic pressing ring 15.
The protection ring 11 protects one side of the rubber air bag 9, the purpose of replacing the rubber air bag 9 to be in contact with an external pipeline is achieved, and pressure loss of the rubber air bag 9 caused by the external pipeline is avoided.
The length of rubber gasbag 9 is less than the length of screwed pipe 12, all is provided with one-way pneumatic valve on first trachea 5 and the second trachea 6, is provided with the solenoid valve on the first trachea 5, and one-way pneumatic valve on the first trachea 5 one-way leads to in pressure chamber 8, and one-way pneumatic valve in the second trachea 6 one-way lets in storage box 3, and the position that second trachea 6 communicates pressure chamber 8 is provided with the explosion-proof piece.
In the device, the explosion-proof sheet is a common explosion-proof sheet, usually a circular sheet is welded at a position to be sealed, a cross-shaped gap is arranged in the middle of the circular sheet, when the pressure in the pressure chamber 8 exceeds a set threshold value of the explosion-proof sheet, the air pressure can push the explosion-proof sheet to open at the position of the cross-shaped gap so as to release pressure, and after the pressure is released, the cross-shaped gap on the explosion-proof sheet recovers and deforms to continue to be used.
The working principle is as follows: in order to solve the problem that the end parts of the explosion-proof flexible pipe are often connected in a matching way through a threaded structure, and safety accidents easily occur when the threaded structure is loosened or the threaded structure is rusted after long-time use, the explosion-proof flexible inner pipe 7 is arranged in the explosion-proof flexible outer pipe 1, the pressure chamber 8 is arranged between the explosion-proof flexible outer pipe 1 and the explosion-proof flexible inner pipe 7, high pressure is charged in the pressure chamber 8 through the gas conveying unit 4, when a scene with potential explosion hidden trouble of high pressure exists inside and outside the explosion-proof flexible outer pipe 1, the explosion-proof flexible inner pipe 7 or the explosion-proof flexible outer pipe 1 is compressed from the inside or outside of the explosion-proof flexible outer pipe 1 during explosion, the explosion-proof sheet at the connection part of the second gas pipe 6 and the pressure chamber 8 is expanded when the pressure chamber 8 is compressed, so that high-pressure gas enters the storage box 3 along the second gas pipe 6 for temporary storage, and the purpose of buffering and pressure release is achieved in the process of gas release in the pressure chamber 8, the phenomenon that the explosion-proof flexible outer tube 1 leaks or is damaged due to explosion is avoided, and the safety is high.
Claims (7)
1. An explosion-proof flexible pipe for a scene with potential explosion hazards, comprising an explosion-proof flexible outer pipe (1), characterized in that: an explosion-proof flexible inner tube (7) is arranged in the explosion-proof flexible outer tube (1), a pressure chamber (8) is arranged between the explosion-proof flexible outer tube (1) and the explosion-proof flexible inner tube (7), connecting sections (2) are fixedly arranged at two ends of the explosion-proof flexible outer tube (1), a storage box (3) is arranged in the connecting section (2) at one side, the lower end of the storage box (3) is communicated with a gas conveying unit (4), the lower end of the gas conveying unit (4) is communicated with a first gas tube (5), a channel is arranged in the connecting section (2), the channels in one group of connecting sections (2) are communicated between the first gas tube (5) and the pressure chamber (8), the channels in the other group of connecting sections (2) are communicated between the pressure chamber (8) and a second gas tube (6), and one end, far away from the channel, of the second gas tube (6) is communicated with the storage box (3), and a connecting structure is further arranged at one end of the connecting section (2) far away from the explosion-proof flexible outer tube (1).
2. An explosion-proof flexible pipe for a scene with potential explosion hazard according to claim 1, characterized in that: the connecting structure comprises a threaded pipe (12), the threaded pipe (12) is fixedly welded on the end face of the connecting section (2), a rubber air bag (9) is fixedly arranged at the outer ring of the threaded pipe (12), a protection ring (11) is fixedly arranged on one face, far away from the storage box (3), of the rubber air bag (9), and an external thread is arranged at the outer ring of the threaded pipe (12).
3. An explosion-proof flexible pipe for a potential explosion hazard scenario as claimed in claim 2, wherein: one end of the threaded pipe (12) far away from the connecting section (2) is provided with an elastic deformation area (14), the end part of the elastic deformation area (14) is provided with an elastic pressing ring (15), the inner ring of the elastic deformation area (14) is provided with an air bag (16), and the air bag (16) is fixed at the inner ring of the elastic deformation area (14).
4. An explosion-proof flexible pipe for a scene with potential explosion hazard according to claim 3, characterized in that: the inner wall of the connecting section (2) is fixedly provided with a connecting pipe (13), and the connecting pipe (13) is communicated between the air bag (16) and the gas channel (10).
5. An explosion-proof flexible pipe for a scene with potential explosion hazard according to claim 4, characterized in that: the threaded pipe (12) is of an annular structure, the diameter of the outer ring of the threaded pipe (12) is equal to that of the inner ring of the rubber air bag (9), and the protection ring (11) is movably sleeved on the outer ring of the threaded pipe (12).
6. An explosion-proof flexible pipe for a scene with potential explosion hazard according to claim 5, characterized in that: the outer ring diameter of the elastic compression ring (15) is equal to that of the threaded pipe (12), and the outer ring of the elastic compression ring (15) is provided with external threads.
7. An explosion-proof flexible pipe for a potential explosion hazard scenario as claimed in claim 6, wherein: the length of rubber gasbag (9) is less than the length of screwed pipe (12), all be provided with one-way pneumatic valve on first trachea (5) and second trachea (6), be provided with the solenoid valve on first trachea (5), one-way access to pressure chamber (8) of one-way pneumatic valve on first trachea (5), one-way access to storage box (3) of one-way pneumatic valve in second trachea (6), the position of second trachea (6) intercommunication pressure chamber (8) is provided with the explosion-proof piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123283859.2U CN216672580U (en) | 2021-12-24 | 2021-12-24 | Explosion-proof flexible pipe used in scene with potential explosion hidden danger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123283859.2U CN216672580U (en) | 2021-12-24 | 2021-12-24 | Explosion-proof flexible pipe used in scene with potential explosion hidden danger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216672580U true CN216672580U (en) | 2022-06-03 |
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ID=81792315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123283859.2U Active CN216672580U (en) | 2021-12-24 | 2021-12-24 | Explosion-proof flexible pipe used in scene with potential explosion hidden danger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216672580U (en) |
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2021
- 2021-12-24 CN CN202123283859.2U patent/CN216672580U/en active Active
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