A fuel supply device for a target drone's inverted flight tank

Abstract

The present application relates to a target drone inverted flight fuel tank fuel supply device, and relates to the field of fuel tank structure, including a fuel tank, a one-way valve, a forward fuel pipe and a reverse fuel pipe. The fuel tank is used to store fuel, the forward fuel pipe is connected to the bottom of the fuel tank, the reverse fuel pipe is connected to the top of the fuel tank, the one-way valve is embedded in the fuel tank, and the forward fuel pipe and the reverse fuel pipe are both provided with one-way valves, and the one-way valves enable fuel to flow out of the fuel tank in one direction. The present application has the effect of enabling the engine to continue to receive fuel and work when the target drone is flipped.

Description

Technical Field

[0001] The present application relates to the field of fuel tank structures, and in particular to a fuel supply device for a target drone inverted flight fuel tank. Background Art

[0002] A target drone is an aircraft used as a target for shooting training. It uses a remote control device to control the flight path and flight status, and can simulate enemy aircraft or incoming missiles in military exercises. During the flight of the target drone, the target drone can perform stunts such as inverted flying, thereby improving the effect of the exercise.

[0003] The target drone's fuel tank supply system includes a fuel tank, a forward flight fuel pipe and an inverted flight fuel pipe. The fuel tank is used to store fuel, the forward flight fuel pipe is installed at the bottom of the fuel tank, and the inverted flight fuel pipe is connected to the top of the fuel tank. When the target drone is flying, the fuel in the fuel tank flows through the forward flight fuel pipe to the target drone's engine, so that the engine can provide power for the target drone to fly. When the target drone performs an inverted flight, the belly of the target drone faces upward, and the fuel in the fuel tank flows through the inverted flight fuel pipe to the fuel tank, so that the target drone can always keep the engine working during the switching process between forward flight and inverted flight, thereby reducing the chance of the target drone crashing.

[0004] The above-mentioned related technical solutions have the following defects: when the target drone switches from the upright flight state to the inverted flight state, the fuel in the upright flight oil pipe will flow back into the fuel tank due to gravity. When the target drone flips over, it is difficult for the engine to continue to supply sufficient fuel, which affects the flight safety of the target drone. Utility Model Content

[0005] In order to enable the engine of the target drone to continue to receive fuel and work when the target drone is flipped over, the present application provides a target drone inverted flight tank fuel supply device.

[0006] The target drone inverted flight tank oil supply device provided in this application adopts the following technical solution:

[0007] A target drone inverted flight fuel tank fuel supply device comprises a fuel tank, a one-way valve, a forward fuel pipe and a reverse fuel pipe. The fuel tank is used to store fuel. The forward fuel pipe is connected to the bottom of the fuel tank, and the reverse fuel pipe is connected to the top of the fuel tank. The one-way valve is embedded in the fuel tank. Both the forward fuel pipe and the reverse fuel pipe are provided with one-way valves. The one-way valves enable fuel to flow out of the fuel tank in one direction.

[0008] By adopting the above technical solution, a reverse oil pipe is arranged on the upper side of the fuel tank, and a forward oil pipe is arranged on the lower side of the fuel tank. When the target drone is flying forward, the fuel in the fuel tank flows into the engine through the forward oil pipe. When the target drone is flying backward, the fuel in the fuel tank flows into the engine through the reverse oil pipe. By arranging one-way valves in the forward oil pipe and the reverse oil pipe, the fuel can only flow from the fuel tank to the forward oil pipe or the reverse oil pipe in one direction. When the target drone flips over, the fuel in the forward oil pipe or the reverse oil pipe is difficult to flow back into the fuel tank, thereby enabling the target drone engine to continue to work stably during the target drone flipping process.

[0009] Optionally, the one-way valve includes a lining plate, a movable plate and a clamping joint. The lining plate is a circular plate structure with a through hole in the middle. The clamping joint is fixed on the lining plate. The movable plate is arranged between the clamping joint and the lining plate. The movable plate is used to seal the through hole of the lining plate. The movable plate is slidably connected to the clamping joint. The sliding direction of the movable plate is perpendicular to the lining plate. A plurality of oil holes are provided on the clamping joint.

[0010] By adopting the above technical solution, a clamping joint is provided on the lining disc, and a movable disc is provided in the clamping joint, so that the movable disc can slide in the clamping joint. In a natural state, the movable disc can cover the lining disc under the action of its own weight and seal the through hole of the lining disc. When the fuel flows, the fuel flows into the through hole in the middle of the lining disc and pushes the movable disc, so that a gap is generated between the lining disc and the movable disc, and the fuel can flow out from the oil through hole. When the fuel flows in the opposite direction, the fuel makes the movable disc abut against the lining disc, making it difficult to flow between the movable disc and the lining disc, thereby achieving the effect of controlling the unidirectional flow of the fuel.

[0011] Optionally, the clamping joint includes a connecting disk, a limit piece and an end clamping disk. The connecting disk is a circular disk with a through hole in the middle. The connecting disk is coaxially connected to the lining disk. There are multiple limit pieces. The multiple limit pieces are equidistantly spaced along the circumferential direction of the connecting disk. The gaps between adjacent limit pieces form oil holes. One end of the limit piece is fixed on the connecting disk, and the other end is fixed on the end clamping disk. The movable disk slides between the end clamping disk and the lining disk, and the limit piece is clamped on the side wall of the movable disk.

[0012] By adopting the above technical solution, by setting a limit piece on the connecting disk, multiple limit pieces can be clamped on the side wall of the movable disk and limit the moving direction of the movable disk. By setting an end chuck on the limit piece, the end chuck can clamp the movable disk, so that the movable disk can move between the lining disk and the end chuck.

[0013] Optionally, the end chuck is a disc structure, and an end hole is opened at the center of the end chuck.

[0014] By adopting the above technical solution, an end hole is opened on the end chuck so that the fluid can flow through the end hole. When the fuel flows from the end hole, the fuel applies uniform stress to the movable disk, so that the movable disk can maintain a parallel state with the end chuck and move, reducing the probability of the movable disk being skewed in the clamping joint.

[0015] Optionally, a plurality of rivets are provided on the liner disc, and the rivets are used to fix the liner disc and the clamping joint.

[0016] By adopting the above technical solution, a plurality of rivets are arranged on the lining disc so that the rivets can connect the lining disc and the clamping joint. The rivets have strong vibration resistance. When the target drone is flying, mechanical vibration is generated on the one-way valve, and the lining disc can be stably connected to the clamping joint through the rivets.

[0017] Optionally, the oil tank is connected to an oil pipeline, and the oil pipeline is arranged on the upper side of the oil tank.

[0018] By adopting the above technical solution, an oil delivery pipe is arranged on the oil tank, and the end of the oil delivery pipe is fixed on the shell of the target aircraft, so that the user can fill oil into the oil tank through the oil delivery pipe.

[0019] Optionally, a reverse oil tank is provided on the oil tank, the reverse oil tank is arranged on the upper side of the oil tank, the reverse oil tank is connected to the oil tank, the reverse oil pipe is installed above the reverse oil tank, and the one-way valve is installed at the connection between the reverse oil tank and the oil tank.

[0020] By adopting the above technical solution, a reverse fuel tank is arranged on the fuel tank, and when the user fills the fuel tank with oil through the oil pipe, the fuel in the fuel tank can fill the reverse fuel tank. During the flight of the target aircraft, the fuel level in the fuel tank gradually decreases. At this time, the reverse fuel tank and the fuel tank are closed by a one-way valve. When the target aircraft slowly flips over, the fuel in the fuel tank has not yet flowed into the reverse fuel tank and the reverse oil pipe, and the fuel in the reverse fuel tank can flow into the engine, thereby reducing the probability of untimely fuel supply to the engine and allowing the engine to always maintain a high working efficiency.

[0021] Optionally, a plurality of lateral oil pipes are provided on the oil tank, the lateral oil pipes are connected to the side walls of the oil tank, and a one-way valve is provided in the lateral oil pipes.

[0022] By adopting the above technical solution and setting a lateral oil pipe on the fuel tank, the fuel in the fuel tank can flow through the forward oil pipe, the lateral oil pipe and the reverse oil pipe in sequence during the flipping process of the target drone, so that the engine can always receive the fuel in the fuel tank and work during the flipping process of the target drone, so that the target drone has good maneuverability.

[0023] In summary, the beneficial technical effects of this application are:

[0024] 1. By setting a reverse oil pipe on the upper side of the fuel tank and a forward oil pipe on the lower side of the fuel tank, when the target drone is flying forward, the fuel in the fuel tank flows into the engine through the forward oil pipe, and when the target drone is flying backward, the fuel in the fuel tank flows into the engine through the reverse oil pipe. By setting a one-way valve in the forward oil pipe and the reverse oil pipe, the fuel can only flow from the fuel tank to the forward oil pipe or the reverse oil pipe in one direction. When the target drone flips over, the fuel in the forward oil pipe or the reverse oil pipe is difficult to flow back into the fuel tank, thereby enabling the target drone engine to continue to work stably during the target drone flipping process;

[0025] 2. By opening an end hole on the end chuck, the fluid can flow through the end hole. When the fuel flows from the end hole, the fuel exerts uniform stress on the movable disk, so that the movable disk can maintain a parallel state with the end chuck and move, reducing the probability of the movable disk being skewed in the clamping joint;

[0026] 3. By setting a lateral oil pipe on the fuel tank, the fuel in the fuel tank can flow through the forward oil pipe, the lateral oil pipe and the reverse oil pipe in sequence during the flipping process of the target aircraft, so that the engine can always receive the fuel in the fuel tank and work during the flipping process of the target aircraft, so that the target aircraft has good maneuverability. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0028] Figure 2 It is a schematic diagram of the installation position of the one-way valve of an embodiment of the present application.

[0029] Figure 3 It is a schematic diagram of the structure of the one-way valve of an embodiment of the present application.

[0030] Figure 4 It is a schematic diagram of the structure of the liner disc of an embodiment of the present application.

[0031] Figure 5 It is a schematic diagram of the structure of the connection disk of an embodiment of the present application.

[0032] Figure 6 It is a schematic diagram of the position of the lateral oil pipe in an embodiment of the present application.

[0033] Figure 7 It is a schematic diagram of the position of the reverse oil tank in an embodiment of the present application.

[0034] Figure numerals: 1. oil tank; 11. oil pipeline; 2. one-way valve; 21. lining plate; 22. movable plate; 23. clamping joint; 231. connecting plate; 232. limit member; 233. end clamping plate; 234. oil hole; 235. end hole; 24. rivet; 3. forward oil pipe; 4. reverse oil pipe; 5. lateral oil pipe; 6. reverse oil tank. DETAILED DESCRIPTION

[0035] The present application is further described in detail below in conjunction with the accompanying drawings.

[0036] The present application embodiment discloses a target drone inverted flight tank oil supply device, referring to Figure 1 , Figure 2 and Figure 3 , including a fuel tank 1, a one-way valve 2, a forward fuel pipe 3 and a reverse fuel pipe 4. The fuel tank 1 is used to store fuel. The forward fuel pipe 3 is connected to the bottom of the fuel tank 1, and the reverse fuel pipe 4 is connected to the top of the fuel tank 1. The forward fuel pipe 3 and the reverse fuel pipe 4 are both connected to the fuel tank 1. A one-way valve 2 is set in the forward fuel pipe 3 and the reverse fuel pipe 4. When the target drone is flying, the fuel in the fuel tank 1 flows into the engine from the forward fuel pipe 3 by gravity, so that the fuel tank 1 can provide energy to the target drone engine. When the target drone flies upside down, the fuel tank 1 flips over with the target drone, and the fuel in the fuel tank 1 passes through the one-way valve 2 and flows into the reverse fuel pipe 4. The fuel enters the target drone engine through the reverse fuel pipe 4, so that the target drone engine can continue to work. When the target drone returns to the forward flight state from the inverted flight state, the one-way valve 2 can close and reduce the probability of fuel flowing from the reverse oil pipe 4 into the fuel tank 1, so that the engine can continue to consume fuel and work, thereby allowing the forward oil pipe 3 and the reverse oil pipe 4 to continue to supply fuel to the target drone engine during the target drone's flipping process.

[0037] Reference Figure 1 An oil pipe 11 is installed on the oil tank 1, and the oil pipe 11 is connected to the top surface of the oil tank 1. One end of the oil pipe 11 away from the oil tank 1 is fixed on the target drone housing, and the user can fill the oil tank 1 with oil through the oil pipe 11.

[0038] Reference Figure 3 , Figure 4 and Figure 5 The one-way valve 2 includes a lining disc 21, a movable disc 22 and a clamping joint 23. The lining disc 21 is a disc structure with a through hole in the center. The clamping joint 23 is fixedly connected to the lining disc 21. The movable disc 22 is a disc structure. The movable disc 22 is clamped on the clamping joint 23. The movable disc 22 can slide on the clamping joint 23 in a direction perpendicular to the lining disc 21. The clamping joint 23 has multiple oil holes 234 spaced evenly in the circumferential direction. The movable disc 22 has a large density and can sink in the fuel. When the movable disc 22 abuts against the lining disc 21, the movable disc 22 blocks the through hole of the lining disc 21, so that the fluid cannot pass through the lining disc 21. When the movable disc 22 slides and there is a gap between the lining disc 21, the fluid can flow from the gap between the lining disc 21 and the movable disc 22 and flow out through the oil holes 234. When the target drone changes from the inverted flight state to the forward flight state, the movable disc 22 falls on the lining disc 21 , so that the fuel in the reverse oil pipe 4 remains in the reverse oil pipe 4 and cannot flow into the fuel tank 1 .

[0039] Reference Figure 3 , Figure 4 and Figure 5 The liner 21 is bonded to the fuel tank 1 by using a sealant, and the sealant uses an adhesive with better chemical stability. When the fuel in the fuel tank 1 soaks the one-way valve 2, the probability of the liner 21 and the fuel tank 1 being loosened or disconnected can be reduced.

[0040] Reference Figure 3 , Figure 4 and Figure 5 The clamping joint 23 includes a connecting disk 231, a plurality of limiting members 232 and an end clamping disk 233. The connecting disk 231 is a disk structure with a through hole in the middle. In this embodiment, four limiting members 232 are provided. The four limiting members 232 are arranged at equal intervals along the circumference of the connecting disk 231. The limiting member 232 is a plate structure. The limiting member 232 is arranged vertically relative to the connecting disk 231. The end clamping disk 233 is connected to the side of the limiting member 232 away from the connecting disk 231. The end clamping disk 233 is arranged parallel to the connecting disk 231. The gap between two adjacent limiting members 232 forms an oil hole 234. A plurality of rivets 24 are provided on the connecting disk 231. The rivets 24 are arranged at equal intervals along the circumference of the connecting disk 231. The rivets 24 penetrate the connecting disk 231 and the lining disk 21. The rivets 24 are used to connect the connecting disk 231 and the lining disk 21. The movable disk 22 is horizontally arranged in the space between the plurality of limiting members 232. The limiting member 232 can be configured as an arc-shaped plate, and the inner side of the arc-shaped plate is configured to fit the edge of the movable disk 22 .

[0041] Refer to the figure Figure 3 , Figure 4 and Figure 5 , the liner 21 is fixed on the fuel tank 1, the clamping joint 23 is installed on the surface of the liner 21 and is located in the reverse oil pipe 4, and the movable disk 22 is clamped in the clamping joint 23. When the target drone flies backward, the fuel in the fuel tank 1 flows into the reverse oil pipe 4. At this time, the movable disk 22 slides and abuts on the end clamping disk 233 under the action of gravity and fuel pressure, and the one-way valve 2 opens, and a channel is generated between the liner 21 and the movable disk 22. When the target drone flies forward, the movable disk 22 abuts on the liner 21 under the action of gravity. At this time, the liner 21 and the movable disk 22 fit together, and the fuel in the reverse oil pipe 4 is difficult to flow into the fuel tank 1.

[0042] Refer to the figure Figure 3 , Figure 4 and Figure 5The end chuck 233 has an end hole 235 at its center. The end hole 235 is a round hole and is coaxially arranged with the end chuck 233. When there is fluid on both sides of the one-way valve 2, the fluid applies pressure to the movable disk 22 through the end hole 235, so that the pressure on the movable disk 22 is evenly distributed. The movable disk 22 can maintain a parallel state with the end chuck 233 and slide under the limiting action of the limiting member 232. By providing the end hole 235 on the end chuck 233, the probability of the movable disk 22 being skewed in the clamping joint 23 and failing to block the through hole of the liner 21 can be reduced.

[0043] The implementation principle of the embodiment of the present application is as follows: by setting a reverse oil pipe 4 on the upper side of the fuel tank 1 and setting a forward oil pipe 3 at the bottom of the fuel tank 1, the target aircraft can supply fuel to the engine through the forward oil pipe 3 and the reverse oil pipe 4 respectively during flight; by setting a one-way valve 2 in the reverse oil pipe 4, the fuel can only flow from the fuel tank 1 into the reverse oil pipe 4, and it is difficult to flow from the reverse oil pipe 4 into the fuel tank 1, thereby reducing the probability of the fuel flowing back into the fuel tank 1 during the flipping process of the target aircraft, so that the engine can continue to work stably.

[0044] Reference Figure 6 In other embodiments, the fuel tank 1 is provided with a plurality of lateral fuel pipes 5, which are arranged on the side walls of the fuel tank 1. The user can arrange the lateral fuel pipes 5 on both opposite side walls of the fuel tank 1, and a one-way valve 2 is arranged in each lateral fuel pipe 5. When the target drone changes from the forward flight state to the inverted flight state, the target drone gradually rotates, and at this time, the fuel in the fuel tank 1 changes from being supplied through the forward fuel pipe 3 to being supplied through the lateral fuel pipe 5. When the target drone is in the inverted flight state, the engine receives fuel through the reverse fuel pipe 4. By arranging the lateral fuel pipe 5 on the fuel tank 1, the engine of the target drone can further receive fuel continuously, and when the target drone is used for a long time to complete the position flip, the engine can continue to work stably.

[0045] Reference Figure 7 In other embodiments, a reverse fuel tank 6 is provided on the fuel tank 1, and the reverse fuel tank 6 is installed on the top of the fuel tank 1, and the reverse fuel tank 6 is communicated with the fuel tank 1, and the reverse fuel pipe 4 is installed above the reverse fuel tank 6 and communicated with the reverse fuel tank 6. The one-way valve 2 is installed at the connection between the reverse fuel tank 6 and the fuel tank 1, and the one-way valve 2 can make the fuel flow from the fuel tank 1 to the reverse fuel tank 6 in one direction. When the user fills the fuel tank 1 with fuel, as the fuel fills the fuel tank 1, the fuel can flow from the fuel tank 1 to the reverse fuel tank 6. When the target drone is flying, as the amount of oil in the fuel tank 1 decreases, the movable plate 22 sinks and blocks the through hole of the lining plate 21, so that the fuel accumulates in the reverse fuel tank 6. When the target drone flips over, the reverse fuel tank 6 can supply fuel to the engine through the reverse fuel pipe 4. Even if the target drone is not flipped to the inverted flight state and the one-way valve 2 has not yet acted, the target drone engine can work stably.

[0046] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A target drone inverted flight tank oil supply device, characterized in that: The invention comprises a fuel tank (1), a one-way valve (2), a forward fuel pipe (3) and a reverse fuel pipe (4); the fuel tank (1) is used to store fuel; the forward fuel pipe (3) is connected to the bottom of the fuel tank (1); the reverse fuel pipe (4) is connected to the top of the fuel tank (1); the one-way valve (2) is embedded in the fuel tank (1); the forward fuel pipe (3) and the reverse fuel pipe (4) are both provided with the one-way valve (2); the one-way valve (2) enables fuel to flow out of the fuel tank (1) in one direction.

2. The target drone inverted flight tank oil supply device according to claim 1 is characterized by: The one-way valve (2) comprises a lining disc (21), a movable disc (22) and a clamping joint (23); the lining disc (21) is a disc structure with a through hole in the middle; the clamping joint (23) is fixed on the lining disc (21); the movable disc (22) is arranged between the clamping joint (23) and the lining disc (21); the movable disc (22) is used to block the through hole of the lining disc (21); the movable disc (22) is slidably connected to the clamping joint (23); the sliding direction of the movable disc (22) is perpendicular to the lining disc (21); and a plurality of oil holes (234) are provided on the clamping joint (23).

3. The target drone inverted flight tank oil supply device according to claim 2 is characterized in that: The clamping joint (23) comprises a connecting disk (231), a limiting member (232) and an end clamping disk (233). The connecting disk (231) is a circular disk with a through hole in the middle. The connecting disk (231) is coaxially connected to the liner disk (21). A plurality of limiting members (232) are provided. The plurality of limiting members (232) are equidistantly spaced along the circumferential direction of the connecting disk (231). The gaps between adjacent limiting members (232) form oil holes (234). One end of the limiting member (232) is fixed to the connecting disk (231), and the other end is fixed to the end clamping disk (233). The movable disk (22) slides between the end clamping disk (233) and the liner disk (21). The limiting member (232) is clamped to the side wall of the movable disk (22).

4. The target drone inverted flight tank oil supply device according to claim 3 is characterized by: The end chuck (233) is a disc structure, and an end hole (235) is provided at the center of the end chuck (233).

5. The target drone inverted flight tank oil supply device according to claim 3 is characterized by: A plurality of rivets (24) are provided on the lining disc (21), and the rivets (24) are used to fix the lining disc (21) and the clamping joint (23).

6. The target drone inverted flight tank oil supply device according to claim 1 is characterized by: The oil tank (1) is connected to an oil delivery pipe (11), and the oil delivery pipe (11) is arranged on the upper side of the oil tank (1).

7. The target drone inverted flight tank oil supply device according to claim 6 is characterized by: The oil tank (1) is provided with a reverse oil tank (6), the reverse oil tank (6) is arranged on the upper side of the oil tank (1), the reverse oil tank (6) is connected to the oil tank (1), the reverse oil pipe (4) is installed above the reverse oil tank (6), and the one-way valve (2) is installed at the connection point between the reverse oil tank (6) and the oil tank (1).

8. The target drone inverted flight tank oil supply device according to claim 1 is characterized by: The oil tank (1) is provided with a plurality of lateral oil pipes (5), the lateral oil pipes (5) are connected to the side wall of the oil tank (1), and a one-way valve (2) is provided in the lateral oil pipes (5).

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