Remaining oil recovery device for gun barrel of oil gun

Abstract

The utility model provides a refueling gun barrel residual oil recovery device which comprises a recovery barrel and an oil scraping assembly, and the oil scraping assembly comprises a mounting rod, an elastic air bag ring, a driving assembly and an inflation assembly. After refueling is completed, the gun barrel of the refueling gun is arranged in the containing hole in a penetrating mode and arranged on the mounting rod in a sleeving mode, then the elastic air bag ring is expanded through the inflation assembly so that the outer wall of the elastic air bag ring can be tightly attached to the inner wall of the gun barrel of the refueling gun, and then the driving assembly drives the mounting rod to retreat from the gun barrel of the refueling gun in a sliding mode. The installation rod can drive the elastic air bag ring to scrape off residual oil on the inner wall of the oil gun barrel, the scraped oil can flow into the oil storage tank through the one-way valve, therefore, the residual oil in the oil gun barrel is recycled, oil waste and environmental pollution are avoided, finally, the oil gun barrel is taken out, the installation rod is driven to reset through the driving assembly, and the oil gun barrel can be recycled. And when the residual oil in the gun barrel of the oil gun needs to be recycled again, the operation is repeated.

Description

Technical Field

[0001] This utility model relates to the technical field of gas station equipment, specifically to a fuel nozzle barrel residual oil recovery device. Background Technology

[0002] Gas stations, as an important component of the modern transportation system, not only fulfill the basic function of providing fuel for vehicles, but also play a vital role in promoting economic development, providing convenient services, emergency rescue, and environmental protection and energy conservation.

[0003] Currently, when refueling a vehicle, the fuel nozzle is inserted into the fuel tank, and the main valve is opened to refuel. After refueling, the main valve closes, but residual fuel remains in the nozzle. When the nozzle is used again, this residual fuel easily drips onto the ground, wasting fuel and polluting the environment. Therefore, to address these technical problems, a fuel nozzle residual fuel recovery device is proposed. Utility Model Content

[0004] In view of the shortcomings of the existing technology, this utility model proposes a residual oil recovery device for fuel nozzle barrel, which can recover the residual oil in the fuel nozzle barrel, so as to avoid oil waste and environmental pollution.

[0005] A residual oil recovery device for a fuel nozzle barrel includes:

[0006] A recovery cylinder, which can be fixed to a fuel dispenser, is inclined and has a coaxial placement hole at its high end, through which the fuel nozzle barrel can pass. The lower end of the placement hole is connected to a fuel storage tank via a one-way valve.

[0007] The oil scraping assembly includes a mounting rod, an elastic airbag ring, a drive assembly, and an inflation assembly. The mounting rod is coaxially slidably disposed within the placement hole, with its lower end extending outside the recovery cylinder. The fuel nozzle barrel can be sleeved on the mounting rod. The drive assembly is disposed on the recovery cylinder and connected to the lower end of the mounting rod, used to drive the mounting rod to slide out of the fuel nozzle barrel or return to its original position. The elastic airbag ring is disposed on the periphery of the upper end of the mounting rod. The inflation assembly is disposed on the drive assembly and communicates with the elastic airbag ring, used to drive the elastic airbag ring to inflate, so that the outer wall of the elastic airbag ring is tightly attached to the inner wall of the fuel nozzle barrel.

[0008] The beneficial effects of the above-mentioned residual oil recovery device for fuel nozzle barrel are as follows:

[0009] After refueling, insert the fuel nozzle barrel into the placement hole and place it on the mounting rod. Then, inflate the elastic air bladder ring using the inflation component, ensuring the outer wall of the elastic air bladder ring is tightly against the inner wall of the fuel nozzle barrel. Next, drive the mounting rod to slide out of the fuel nozzle barrel using the drive component. At this point, the mounting rod will move the elastic air bladder ring to scrape off the residual oil from the inner wall of the fuel nozzle barrel. The scraped oil will then flow into the oil storage tank through the one-way valve, thus recovering the residual oil in the fuel nozzle barrel and avoiding oil waste and environmental pollution. Finally, remove the fuel nozzle barrel and reset the mounting rod using the drive component. To recover the residual oil in the fuel nozzle barrel again, repeat the above operation.

[0010] In one embodiment, the drive assembly includes a push rod and a spring; a mounting block is provided on the lower periphery of the recycling cylinder, the push rod is slidably disposed on the mounting block along the placement hole axially, and its lower end is connected to the lower end of the mounting rod, a pressure plate is coaxially disposed on the upper end of the push rod, and the spring is sleeved on the push rod, with its two ends respectively abutting against the pressure plate and the mounting block.

[0011] In one embodiment, the inflation assembly includes an airbag ball; the airbag ball is disposed at the top of the pressure plate, and the push rod and the mounting rod have air channels connecting the airbag ball and the elastic airbag ring.

[0012] In one embodiment, the top of the pressure plate is provided with multiple sets of anti-slip protrusions.

[0013] In one embodiment, the bottom of the oil storage tank is provided with an oil drain pipe with a valve, and the periphery of the oil storage tank is provided with a graduated observation window.

[0014] In one embodiment, the mounting rod is coaxially provided with a tapered guide head at its high end.

[0015] In one embodiment, a fixing frame is provided around the recycling cylinder, and the fixing frame is fixed to the refueling machine by bolts.

[0016] In one embodiment, a lifting assembly is also included, through which the recycling cylinder is connected to the fixed frame, and adjusting the lifting assembly can drive the recycling cylinder to move up and down in the vertical direction.

[0017] In one embodiment, the lifting assembly includes an adjusting screw and a guide block; the fixed frame has a guide groove, the guide block is disposed on the periphery of the recovery cylinder and can be slidably disposed in the guide groove in the vertical direction, and the adjusting screw is vertically rotatably disposed in the guide groove and threadedly connected to the guide block. Attached Figure Description

[0018] To more clearly illustrate the specific embodiments of this utility model, the accompanying drawings used in the specific embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to scale.

[0019] Figure 1 A three-dimensional structural diagram of a residual oil recovery device for a refueling nozzle barrel provided in an embodiment of this utility model;

[0020] Figure 2 for Figure 1 An exploded view of a fuel nozzle barrel residual oil recovery device is shown.

[0021] Figure 3 for Figure 1 The diagram shows a three-dimensional structure of the scraping component in a fuel nozzle barrel residual oil recovery device after cross-section.

[0022] Figure label:

[0023] 10. Recovery cylinder; 101. Placement hole; 102. One-way valve; 103. Oil storage tank; 1031. Oil drain pipe; 1032. Observation window; 104. Mounting block; 105. Fixing bracket; 1051. Guide groove;

[0024] 20. Mounting rod; 201. Elastic airbag ring; 202. Conical guide head;

[0025] 30. Push rod; 301. Spring; 302. Pressure plate; 3021. Anti-slip convex ball;

[0026] 40. Inflatable bulb; 401. Airway;

[0027] 50. Adjusting screw; 501. Guide block. Detailed Implementation

[0028] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0029] Please see Figures 1 to 3 One embodiment of a fuel nozzle barrel residual oil recovery device includes a recovery cylinder 10 and an oil scraping assembly.

[0030] The recycling cylinder 10 can be fixed to the fuel dispenser. Specifically, a fixing bracket 105 is provided around the recycling cylinder 10, and the fixing bracket 105 is fixed to the fuel dispenser with bolts. It can be understood that the recycling cylinder 10 is connected to the fuel dispenser (not shown) with bolts, facilitating the installation and disassembly of the device. The recycling cylinder 10 is inclined, and a coaxial placement hole 101 is opened at its high end, through which the fuel nozzle barrel can pass. The lower end of the placement hole 101 is connected to the fuel storage tank 103 via a one-way valve 102.

[0031] The oil scraping assembly includes a mounting rod 20, an elastic airbag ring 201, a drive assembly, and an inflation assembly. The mounting rod 20 is coaxially slidably disposed within the placement hole 101, with its lower end extending outside the recovery cylinder 10. The fuel nozzle barrel can be sleeved on the mounting rod 20. The drive assembly is disposed on the recovery cylinder 10 and connected to the lower end of the mounting rod 20, used to drive the mounting rod 20 to slide out of the fuel nozzle barrel or reset. An elastic airbag ring 201 is disposed on the periphery of the upper end of the mounting rod 20. The inflation assembly is disposed on the drive assembly and communicates with the elastic airbag ring 201, used to drive the elastic airbag ring 201 to expand so that the outer wall of the elastic airbag ring 201 is tightly attached to the inner wall of the fuel nozzle barrel.

[0032] In the above embodiment, after refueling is completed, the refueling nozzle barrel (not shown) is inserted into the placement hole 101 and fitted onto the mounting rod 20. Then, the elastic air bladder ring 201 is inflated by the inflation assembly so that the outer wall of the elastic air bladder ring 201 is tightly attached to the inner wall of the refueling nozzle barrel. Then, the mounting rod 20 is driven by the drive assembly to slide out of the refueling nozzle barrel. At this time, the mounting rod 20 can drive the elastic air bladder ring 201 to scrape off the residual oil on the inner wall of the refueling nozzle barrel. The scraped oil can then flow to the lower end of the placement hole 101 and pass through... The oil flows into the oil storage tank 103 through the one-way valve 102, thereby recovering the residual oil in the fuel nozzle tube and avoiding oil waste and environmental pollution. Finally, the fuel nozzle tube is removed, and the mounting rod 20 is reset by the drive assembly. When it is necessary to recover the residual oil in the fuel nozzle tube again, the above operation can be repeated. In addition, the one-way valve 102 can seal the oil flowing into the oil storage tank 103, preventing the recovered oil in the oil storage tank 103 from evaporating and improving the oil recovery effect.

[0033] Please see Figures 1 to 3 In one embodiment, the drive assembly includes a push rod 30 and a spring 301; a mounting block 104 is provided on the lower periphery of the recovery cylinder 10, the push rod 30 is axially slidably disposed on the mounting block 104 along the placement hole 101, and its lower end is connected to the lower end of the mounting rod 20, a pressure plate 302 is coaxially disposed on the upper end of the push rod 30, and the spring 301 is sleeved on the push rod 30, with its two ends respectively abutting against the pressure plate 302 and the mounting block 104.

[0034] In the above embodiment, pressing the pressure plate 302 drives the push rod 30 to slide, which in turn drives the mounting rod 20 to slide out of the fuel nozzle barrel. At this time, the spring 301 is compressed and contracts. By releasing the pressure plate 302, the reaction force of the spring 301 can cause the push rod 30 to move in the opposite direction and drive the mounting rod 20 to reset. It is convenient to drive the mounting rod 20 out of the fuel nozzle barrel or reset it.

[0035] Specifically, in the above embodiment, the top of the pressure plate 302 is provided with multiple sets of anti-slip protrusions 3021. By providing anti-slip protrusions 3021, slippage can be avoided when pressing the pressure plate 302.

[0036] Please see Figure 2 and Figure 3 In one embodiment, the inflation assembly includes an airbag ball 40; the airbag ball 40 is disposed at the top of the pressure plate 302, and an air guide channel 401 communicating with the airbag ball 40 and the elastic airbag ring 201 is provided in the push rod 30 and the mounting rod 20.

[0037] In the above embodiment, pressing the airbag bulb 40 causes the gas inside the airbag bulb 40 to be transported to the elastic airbag ring 201 through the air guide channel 401, which inflates the elastic airbag ring 201. Driving the elastic airbag ring 201 to inflate is convenient. It can be understood that when the pressure on the airbag bulb 40 is released, the elastic airbag ring 201 contracts, which allows the gas inside the elastic airbag ring 201 to be transported back to the airbag bulb 40 through the air guide channel 401, so that pressing the airbag bulb 40 again will inflate the elastic airbag ring 201.

[0038] Please see Figure 1 and Figure 2 In one embodiment, an oil drain pipe 1031 with a valve is provided at the bottom of the oil storage tank 103, and a graduated observation window 1032 is provided around the oil storage tank 103. The oil in the oil storage tank 103 can be drained by opening the valve on the drain pipe 1031, making it convenient to remove the oil from the oil storage tank 103. The observation window 1032 allows for easy observation of the amount of oil stored in the oil storage tank 103, facilitating timely removal of the oil from the oil storage tank 103.

[0039] Please see Figures 1 to 3 In one embodiment, a tapered guide head 202 is coaxially provided at the high end of the mounting rod 20. The tapered guide head 202 facilitates the guidance of the fuel nozzle barrel when it is fitted onto the mounting rod 20, making it easier for the fuel nozzle barrel to be fitted onto the mounting rod 20.

[0040] Please see Figure 1 and Figure 2In one embodiment, a lifting assembly is also included. The recovery cylinder 10 is connected to the fixed frame 105 via the lifting assembly. Adjusting the lifting assembly can drive the recovery cylinder 10 to rise and fall vertically. By adjusting the lifting assembly to drive the recovery cylinder 10 to rise and fall vertically, the height of the recovery cylinder 10 can be adjusted, making it easier for operators of different heights to use and improving the practicality of the device.

[0041] Specifically, in the above embodiments, the lifting assembly includes an adjusting screw 50 and a guide block 501. A guide groove 1051 is provided on the fixing frame 105. The guide block 501 is disposed around the periphery of the recycling cylinder 10 and can slide vertically within the guide groove 1051. The adjusting screw 50 is vertically and rotatably disposed within the guide groove 1051 and threadedly connected to the guide block 501. It can be understood that by rotating the adjusting screw 50 in threaded engagement with the guide block 501, the guide block 501 can be driven to move the recycling cylinder 10 vertically, thereby raising and lowering the recycling cylinder 10. When the adjusting screw 50 is stopped, the threaded engagement between the adjusting screw 50 and the guide block 501 forms a self-locking mechanism to fix the guide block 501, thus fixing the height of the recycling cylinder 10. This makes adjusting the height of the recycling cylinder 10 and fixing it convenient.

[0042] The specific implementation method of the above-mentioned residual oil recovery device for fuel nozzle barrel is as follows:

[0043] The fuel nozzle barrel is inserted into the placement hole 101 and fitted onto the mounting rod 20. Pressing the airbag bulb 40 causes the gas inside to be transported through the air guide 401 to the elastic airbag ring 201, inflating the ring so that its outer wall is tightly pressed against the inner wall of the fuel nozzle barrel. Pressing the pressure plate 302 then drives the push rod 30 to slide, causing the mounting rod 20 to slide and retract from the fuel nozzle barrel. At this point, the spring 301 contracts under pressure, and the retraction of the mounting rod 20 causes the elastic airbag ring 201 to scrape away residual oil from the inner wall of the fuel nozzle barrel. The scraped oil flows to the lower end of the placement hole 101 and through the one-way valve 102 into the oil storage tank 103. The residual oil in the fuel nozzle is recovered to avoid waste and environmental pollution. Finally, the fuel nozzle is removed from the placement hole 101. After releasing the pressure plate 302 and the airbag ball 40, the reaction force of the spring 301 causes the push rod 30 to move in the opposite direction, which drives the mounting rod 20 to reset. The elastic airbag ring 201 contracts, allowing the gas in the elastic airbag ring 201 to be transported back to the airbag ball 40 through the air guide 401. When it is necessary to recover the residual oil in the fuel nozzle again, the above operation can be repeated. In addition, the one-way valve 102 can seal the oil flowing into the oil storage tank 103 to prevent the oil recovered in the oil storage tank 103 from evaporating, thus improving the oil recovery effect.

[0044] When it is observed through the observation window 1032 that there is a lot of oil in the oil storage tank 103, the valve on the oil drain pipe 1031 can be opened to drain the oil from the oil storage tank 103, making it convenient to remove the oil from the oil storage tank 103.

[0045] Furthermore, by rotating the adjusting screw 50 and engaging the guide block 501 with a threaded connection, the guide block 501 can be driven to move the recovery cylinder 10 in the vertical direction, thereby adjusting the height of the recovery cylinder 10. When the height of the recovery cylinder 10 is adjusted to a suitable level, the adjusting screw 50 can be stopped. The adjustment and fixing of the recovery cylinder 10 are convenient, making it easy for operators of different heights to use and improving the practicality of the device.

[0046] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A residual oil recovery device for a fuel nozzle barrel, characterized in that, include: A recovery cylinder (10) can be fixed on a fuel dispenser. The recovery cylinder (10) is inclined and has a coaxial placement hole (101) at its high end. The fuel nozzle tube can pass through the placement hole (101). The lower end of the placement hole (101) is connected to an oil storage tank (103) through a one-way valve (102). The oil scraping assembly includes a mounting rod (20), an elastic airbag ring (201), a drive assembly, and an inflation assembly. The mounting rod (20) is slidably disposed coaxially within the placement hole (101), and its lower end extends outside the recovery cylinder (10). The fuel nozzle tube can be sleeved on the mounting rod (20). The drive assembly is disposed on the recovery cylinder (10) and connected to the lower end of the mounting rod (20), and is used to drive the mounting rod (20) to slide out of the fuel nozzle tube or reset. The elastic airbag ring (201) is disposed on the periphery of the upper end of the mounting rod (20). The inflation assembly is disposed on the drive assembly and communicates with the elastic airbag ring (201), and is used to drive the elastic airbag ring (201) to expand so that the outer wall of the elastic airbag ring (201) is tightly attached to the inner wall of the fuel nozzle tube.

2. The residual oil recovery device for a refueling nozzle barrel according to claim 1, characterized in that, The drive assembly includes a push rod (30) and a spring (301); a mounting block (104) is provided on the lower periphery of the recycling cylinder (10); the push rod (30) is slidably disposed on the mounting block (104) along the axial direction of the placement hole (101), and its lower end is connected to the lower end of the mounting rod (20); a pressure plate (302) is coaxially disposed on the upper end of the push rod (30); the spring (301) is sleeved on the push rod (30), and its two ends abut against the pressure plate (302) and the mounting block (104) respectively.

3. The residual oil recovery device for a refueling nozzle barrel according to claim 2, characterized in that, The inflation assembly includes an airbag ball (40); the airbag ball (40) is disposed at the top of the pressure plate (302), and the push rod (30) and the mounting rod (20) have an air guide channel (401) that connects the airbag ball (40) and the elastic airbag ring (201).

4. The residual oil recovery device for a refueling nozzle barrel according to claim 2, characterized in that, The top of the pressure plate (302) is provided with multiple sets of anti-slip convex balls (3021).

5. The residual oil recovery device for a refueling nozzle barrel according to claim 1, characterized in that, The oil storage tank (103) is equipped with an oil drain pipe (1031) with a valve at the bottom end, and the oil storage tank (103) is equipped with a graduated observation window (1032) on the periphery.

6. The residual oil recovery device for a refueling nozzle barrel according to claim 1, characterized in that, The mounting rod (20) is coaxially provided with a tapered guide head (202) at its high end.

7. The residual oil recovery device for a refueling nozzle barrel according to claim 1, characterized in that, A fixing frame (105) is provided around the recycling cylinder (10), and the fixing frame (105) is fixed to the refueling machine by bolts.

8. The residual oil recovery device for a refueling nozzle barrel according to claim 7, characterized in that, It also includes a lifting assembly, through which the recycling cylinder (10) is connected to the fixed frame (105), and adjusting the lifting assembly can drive the recycling cylinder (10) to rise and fall in the vertical direction.

9. A residual oil recovery device for a refueling nozzle barrel according to claim 8, characterized in that, The lifting assembly includes an adjusting screw (50) and a guide block (501); the fixed frame (105) is provided with a guide groove (1051), the guide block (501) is disposed on the periphery of the recycling cylinder (10) and can be slidably disposed in the guide groove (1051) in the vertical direction, the adjusting screw (50) is vertically rotatably disposed in the guide groove (1051) and threadedly connected to the guide block (501).

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