Blocking anti-explosion skid-mounted automobile refueling device

Abstract

The utility model discloses a blocking anti-explosion skid-mounted automobile refueling device which comprises an outer box body, a supporting mechanism is arranged on the periphery of the lower end of the outer box body, an oil storage tank is arranged on the bottom wall of an inner cavity of the outer box body, the lower end of the oil storage tank is communicated with an oil outlet pipe, one side of the outer box body is fixedly connected with a refueling machine, and the other side of the outer box body is fixedly connected with an oil tank. The right side of the upper end of the outer box body is fixedly connected with a nitrogen mechanism, and the top wall of an inner cavity of the outer box body is fixedly connected with a sealing strip. By arranging the supporting mechanism, the device can be conveniently and integrally moved to other positions, physical strength and time consumed for moving the positions are effectively saved, the stability of the device during use can be improved, the situation that the whole device is displaced due to the fact that the whole device is supported only through universal wheels is prevented, and the stable and reliable performance of the device is effectively improved; and by arranging the nitrogen mechanism, the equipment can be filled with nitrogen, so that the blocking and explosion-proof effects are achieved, and meanwhile internal combustion or explosion of the oil storage tank can be prevented.

Description

Technical Field

[0001] This utility model relates to the field of automobile refueling technology, specifically to a barrier explosion-proof skid-mounted automobile refueling device. Background Technology

[0002] Gas stations typically consist of underground atmospheric pressure storage tanks and tax-controlled refueling machines. The underground storage tanks and refueling machines are separate; the storage tanks are buried underground, while the refueling machines are located above ground, connected by pipelines. The walls of the storage tanks or pipelines are prone to corrosion, leading to oil and vapor leakage. Once a leak occurs, the consequences are unimaginable; it not only causes serious damage to the surrounding soil, but also irreparably damages groundwater resources. Moreover, such leaks are generally difficult to detect. The underground storage tanks present significant construction challenges, require a large area, and result in long construction times and high costs. During filling, unloading, and maintenance operations of underground storage tanks, the volatilization of oil and vapors can easily cause combustion or explosions when exposed to open flames, static electricity, lightning strikes, or other unexpected events.

[0003] Patent CN221235219U discloses a skid-mounted explosion-proof vehicle refueling device, including a fixed base. The bottom end of the fixed base has a groove, and a connecting seat is provided within the groove. The top of the connecting seat has a fixing block that abuts against the top of the groove. The top of the fixed base has the skid-mounted refueling device body. The top of the fixing block has symmetrically arranged slots, and the top of the groove has symmetrically arranged locking blocks that fit the slots. This invention fixes the connecting seat to the ground, with the slots and locking blocks engaging. A rectangular limiting block further reinforces and limits the device, ensuring its stability and improving its safety.

[0004] Currently, the walls of traditional oil storage tanks are very susceptible to corrosion, leading to oil and gas leaks. Once a leak occurs, the consequences are unimaginable, causing irreparable pollution to groundwater resources. Moreover, such leaks are generally not easy to detect. When performing oil filling, unloading, and maintenance operations on underground oil storage tanks under unknown conditions, the volatilization of oil and gas, combined with accidents such as open flames, static electricity, and lightning strikes, can cause serious explosions, threatening the personal safety of workers. Utility Model Content

[0005] The purpose of this invention is to provide a skid-mounted explosion-proof vehicle refueling device to address the issue mentioned in the background art where the walls of oil storage tanks are highly susceptible to corrosion, leading to oil and vapor leaks. Once a leak occurs, the consequences are unimaginable, causing irreparable pollution to groundwater resources. Moreover, such leaks are generally difficult to detect. When performing oil filling, unloading, and maintenance operations on underground oil storage tanks under unknown conditions, the volatilization of oil and gas, combined with accidents such as open flames, static electricity, and lightning strikes, can cause serious explosions, threatening the personal safety of workers.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a skid-mounted, explosion-proof vehicle refueling device, comprising an outer casing, a support mechanism provided around the lower end of the outer casing, an oil storage tank provided on the bottom wall of the inner cavity of the outer casing, an oil outlet pipe connected to the lower end of the oil storage tank, a refueling machine fixedly connected to one side of the outer casing, a nitrogen gas mechanism fixedly connected to the upper right side of the outer casing, a sealing strip fixedly connected to the top wall of the inner cavity of the outer casing, and an oil vapor recovery port, an inspection port, a pressure relief port, a breather valve, a measuring port, an oil inlet, and an oil return port fixedly connected sequentially from right to left to the upper end of the oil storage tank, and a vacuum tube connected through the upper left side of the outer casing;

[0007] The support mechanism includes a bearing plate, the upper end of which is detachably connected to the lower end of the outer casing around the perimeter. A damping telescopic rod is provided at the lower end of the bearing plate, and a base plate is provided at the lower end of the damping telescopic rod. An anti-slip pad is connected to the lower end of the base plate, and threaded caps are fixedly connected to both sides of the upper end of the base plate. A threaded long rod is threadedly connected to the inner wall of the threaded cap.

[0008] Preferably, the upper end of the support mechanism is fixedly connected to the lower end of the outer casing around the perimeter, and the lower end of the oil storage tank is fixedly connected to the inner bottom wall of the outer casing.

[0009] Preferably, the lower end of the bearing support plate is fixedly connected to the upper end of the damping telescopic rod, and the lower end of the damping telescopic rod is fixedly connected to the upper end of the base plate.

[0010] Preferably, two threaded caps are symmetrically arranged above the base plate along the vertical central axis, and the threaded rod passes through the bearing support plate to form a threaded connection with the threaded cap.

[0011] Preferably, the nitrogen mechanism includes a delivery pipe, the outer wall of which is fixedly connected to the top inner wall of the outer casing, a piston is provided on the inner wall of the delivery pipe, a first ventilation groove is provided in the middle part of the piston, a second ventilation groove is provided at the lower end of the first ventilation groove, a spring is fixedly connected to the lower end of the piston, exhaust ports are provided through both sides of the outer wall of the delivery pipe, and a nitrogen pipe is inserted into the inside of the delivery pipe.

[0012] Preferably, the inner wall of the delivery pipe is slidably connected to the outer wall of the piston, and the middle part of the piston is embedded in the outer wall of the ventilation groove.

[0013] Preferably, a piston is movably connected to the inner wall of the conveying pipe, and a sealing ring is fixedly connected to the outer wall of the piston, further ensuring the sealing between the piston and the conveying pipe.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. By setting up a support mechanism, the equipment can be easily moved to other locations, effectively saving the physical effort and time required for relocation, and increasing the stability of the equipment during use. This prevents the entire equipment from shifting if it is only supported by casters, thus effectively improving the stability and reliability of the equipment.

[0016] 2. By setting up a nitrogen gas mechanism, the equipment can be filled with nitrogen, thereby achieving the effect of blocking and preventing explosion, and at the same time preventing internal combustion or explosion of the oil storage tank. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the support mechanism of this utility model;

[0019] Figure 3 This is a schematic diagram of the nitrogen mechanism of this utility model;

[0020] Figure 4 This is a side view of the three-dimensional structure of this utility model.

[0021] In the diagram: 1. Outer casing; 2. Support mechanism; 3. Oil storage tank; 4. Oil outlet pipe; 5. Fuel dispenser; 6. Nitrogen mechanism; 7. Sealing strip; 8. Oil and gas recovery port; 9. Inspection port; 10. Pressure relief port; 11. Breather valve; 12. Oil measuring port; 13. Oil inlet; 14. Oil return port; 15. Vacuum pipe; 21. Bearing support plate; 22. Damping telescopic rod; 23. Base plate; 24. Anti-slip pad; 25. Threaded cap; 26. Threaded long rod; 61. Delivery pipe; 62. Piston; 63. Ventilation slot one; 64. Ventilation slot two; 65. Spring; 66. Exhaust port; 67. Nitrogen pipe. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1 and Figure 4 This utility model provides a technical solution: a skid-mounted, explosion-proof vehicle refueling device, comprising an outer casing 1, a support mechanism 2 arranged around the lower end of the outer casing 1, an oil storage tank 3 arranged on the bottom wall of the inner cavity of the outer casing 1, an oil outlet pipe 4 connected to the lower end of the oil storage tank 3, a refueling machine 5 fixedly connected to one side of the outer casing 1, a nitrogen mechanism 6 fixedly connected to the upper right side of the outer casing 1, a sealing strip 7 fixedly connected to the top wall of the inner cavity of the outer casing 1, and an oil vapor recovery port 8, an inspection port 9, a pressure relief port 10, a breather valve 11, an oil measuring port 12, an oil inlet 13, and an oil return port fixedly connected sequentially from right to left at the upper end of the oil storage tank 3. 14. A vacuum tube 15 is connected through the upper left side of the outer casing 1. The support mechanism 2 includes a bearing plate 21. The upper end of the bearing plate 21 is detachably connected to the lower end of the outer casing 1. A damping telescopic rod 22 is provided at the lower end of the bearing plate 21. A base plate 23 is provided at the lower end of the damping telescopic rod 22. An anti-slip pad 24 is connected to the lower end of the base plate 23. Threaded caps 25 are fixedly connected to both sides of the upper end of the base plate 23. A threaded long rod 26 is threadedly connected to the inner wall of the threaded cap 25. The upper end of the support mechanism 2 is fixedly connected to the lower end of the outer casing 1. The lower end of the oil storage tank 3 is fixedly connected to the bottom wall of the inner cavity of the outer casing 1.

[0024] After the device is moved to the designated location, the damping telescopic rod 22 can be stretched to its maximum extent until the base plate 23 fixed to it can contact the ground. The anti-slip pad 24 increases the contact area between the base plate 23 and the ground, which can reliably and stably complete the positioning support of the outer box 1, preventing the entire device from shifting due to the support of the casters alone, and effectively improving the stability and reliability of the device.

[0025] Please see Figure 2 In order to quickly and stably support the oil storage tank 3 inside the outer casing 1, the lower end of the bearing support plate 21 is fixedly connected to the upper end of the damping telescopic rod 22, the lower end of the damping telescopic rod 22 is fixedly connected to the upper end of the bottom plate 23, and two threaded caps 25 are symmetrically arranged on the vertical central axis above the bottom plate 23, and the threaded long rod 26 passes through the bearing support plate 21 and the threaded caps 25 to form a threaded connection.

[0026] The vertical centerlines of the support plate 21, the damping telescopic rod 22 and the base plate 23 coincide, and the base plate 23 and the anti-slip pad 24 are tightly fitted. Threaded caps 25 are installed on both sides of the upper part of the base plate 23, and threaded long rods 26 are screwed into the inside of the threaded caps 25.

[0027] Please see Figure 3 To quickly deliver nitrogen into the outer casing 1, the nitrogen mechanism 6 includes a delivery pipe 61. The outer wall of the delivery pipe 61 is fixedly connected to the top inner wall of the outer casing 1. A piston 62 is provided on the inner wall of the delivery pipe 61. A venting groove 63 is provided in the middle of the piston 62. A venting groove 64 is provided at the lower end of the venting groove 63. A spring 65 is fixedly connected to the lower end of the piston 62. Exhaust ports 66 are provided through both sides of the outer wall of the delivery pipe 61. A nitrogen pipe 67 is inserted into the inside of the delivery pipe 61. The inner wall of the delivery pipe 61 is slidably connected to the outer wall of the piston 62. The middle part of the piston 62 is embedded in the outer wall of the venting groove 63. The piston 62 is movably connected to the inner wall of the delivery pipe 61. A sealing ring is fixedly connected to the outer wall of the piston 62, which further ensures the sealing between the piston 62 and the delivery pipe 61.

[0028] The gasoline in the storage tank 3 is delivered to the fuel dispenser 5 via the outlet pipe 4, allowing the dispenser 5 to refuel normally. The storage tank 3 is made of an explosion-proof material layer, which can be made of rock wool, providing excellent explosion protection and preventing oil and gas leakage from the storage tank 3. The sealing strip 7 ensures the airtightness of the outer casing 1, preventing the leakage of the filled nitrogen. Through the coordinated use of the outlet pipe 4, the storage tank 3, the fuel dispenser 5, the sealing strip 7, and the outer casing 1, the explosion-proof effect is achieved. A vacuum pump is installed outside the vacuum tube 15, allowing operators to use the vacuum pump... The air inside the outer casing 1 is extracted, and then the control valve on the vacuum tube 15 is closed. After the control valve is closed, the nitrogen tube 67 is inserted into the delivery tube 61 and pressed downward. At this time, the spring 65 is compressed and deformed, and the positions of the second ventilation slot 64 and the exhaust port 66 correspond. The nitrogen in the nitrogen tube 67 enters the outer casing 1 through the first ventilation slot 63, the second ventilation slot 64 and the exhaust port 66. After the nitrogen is filled, the nitrogen tube 67 is directly removed. Then, under the elastic force of the spring 65, the piston 62 moves upward, resealing the exhaust port and the delivery tube 61, thereby achieving the effect of blocking and preventing explosion.

[0029] Working principle: First, gasoline in the storage tank 3 is delivered to the fuel dispenser 5 through the oil outlet pipe 4, allowing the dispenser 5 to refuel normally. The storage tank 3 is made of explosion-proof material, which can be rock wool, providing excellent explosion protection and preventing oil and gas leakage. The sealing strip 7 ensures the airtightness of the outer casing 1, preventing the leakage of nitrogen gas. Through the coordinated use of the oil outlet pipe 4, storage tank 3, fuel dispenser 5, sealing strip 7, and outer casing 1, the explosion-proof effect is achieved. Then, a vacuum pump is installed outside the vacuum tube 15, allowing operators to use... The vacuum pump extracts the air from inside the outer casing 1, and then closes the control valve on the vacuum tube 15. After the control valve is closed, the nitrogen tube 67 is inserted into the delivery tube 61 and pressed downward. At this time, the spring 65 is compressed and deformed, and the positions of the second ventilation slot 64 and the exhaust port 66 correspond. The nitrogen in the nitrogen tube 67 enters the outer casing 1 through the first ventilation slot 63, the second ventilation slot 64 and the exhaust port 66. After the nitrogen is filled, the nitrogen tube 67 is directly removed. Then, under the elastic force of the spring 65, the piston 62 moves upward, resealing the exhaust port and the delivery tube 61, thereby achieving the effect of blocking and preventing explosion.

[0030] Then, after the staff moves the device to the designated location, the damping telescopic rod 22 can be stretched to its maximum extent until the base plate 23 fixed to it can contact the ground. The anti-slip pad 24 increases the contact area between the base plate 23 and the ground, which can reliably and stably complete the positioning support of the outer box 1, preventing the entire device from shifting due to the support of the casters alone, and effectively improving the stability and reliability of the device. The above is the working process of the entire device. All contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A barrier-proof, explosion-proof skid-mounted vehicle refueling device, comprising an outer casing (1), characterized in that: The lower end of the outer casing (1) is provided with a support mechanism (2), the bottom wall of the inner cavity of the outer casing (1) is provided with an oil storage tank (3), the lower end of the oil storage tank (3) is connected to an oil outlet pipe (4), a fuel dispenser (5) is fixedly connected to one side of the outer casing (1), a nitrogen mechanism (6) is fixedly connected to the upper right side of the outer casing (1), a sealing strip (7) is fixedly connected to the top wall of the inner cavity of the outer casing (1), and from right to left, the upper end of the oil storage tank (3) is fixedly connected to an oil and gas recovery port (8), an inspection port (9), a pressure relief port (10), a breather valve (11), an oil measuring port (12), an oil inlet (13), and an oil return port (14), and a vacuum tube (15) is connected through the upper left side of the outer casing (1). The support mechanism (2) includes a bearing plate (21), the upper end of which is detachably connected to the lower end of the outer casing (1) around the perimeter. A damping telescopic rod (22) is provided at the lower end of the bearing plate (21), and a base plate (23) is provided at the lower end of the damping telescopic rod (22). An anti-slip pad (24) is connected to the lower end of the base plate (23), and threaded caps (25) are fixedly connected to both sides of the upper end of the base plate (23). A threaded long rod (26) is threadedly connected to the inner wall of the threaded cap (25).

2. The explosion-proof skid-mounted vehicle refueling device according to claim 1, characterized in that: The upper end of the support mechanism (2) is fixedly connected to the lower end of the outer casing (1) around the perimeter, and the lower end of the oil storage tank (3) is fixedly connected to the bottom wall of the inner cavity of the outer casing (1).

3. The explosion-proof skid-mounted vehicle refueling device according to claim 1, characterized in that: The lower end of the bearing support plate (21) is fixedly connected to the upper end of the damping telescopic rod (22), and the lower end of the damping telescopic rod (22) is fixedly connected to the upper end of the base plate (23).

4. The explosion-proof skid-mounted vehicle refueling device according to claim 3, characterized in that: Two threaded caps (25) are symmetrically arranged above the base plate (23) along the vertical central axis, and the threaded rod (26) passes through the bearing support plate (21) and forms a threaded connection with the threaded caps (25).

5. The explosion-proof skid-mounted vehicle refueling device according to claim 1, characterized in that: The nitrogen mechanism (6) includes a delivery pipe (61), the outer wall of the delivery pipe (61) is fixedly connected to the top inner wall of the outer casing (1), a piston (62) is provided on the inner wall of the delivery pipe (61), a ventilation groove (63) is provided in the middle part of the piston (62), a ventilation groove (64) is provided at the lower end of the ventilation groove (63), a spring (65) is fixedly connected to the lower end of the piston (62), exhaust ports (66) are provided through the outer wall of the delivery pipe (61), and a nitrogen pipe (67) is inserted into the inside of the delivery pipe (61).

6. The explosion-proof skid-mounted vehicle refueling device according to claim 5, characterized in that: The inner wall of the delivery pipe (61) is slidably connected to the outer wall of the piston (62), and the middle part of the piston (62) is embedded in the outer wall of the ventilation groove (63).

7. The explosion-proof skid-mounted vehicle refueling device according to claim 5, characterized in that: A piston (62) is movably connected to the inner wall of the delivery pipe (61), and a sealing ring is fixedly connected to the outer wall of the piston (62), which further ensures the sealing between the piston (62) and the delivery pipe (61).

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