A double-layer soft fuel tank for unmanned aerial vehicle

Abstract

The utility model relates to a double-layer soft oil tank, which belongs to the technical field of unmanned aerial vehicles. Specifically, it is a double-layer soft oil tank for unmanned aerial vehicles, comprising an outer oil tank shell, an inner oil tank shell is arranged inside the outer oil tank shell, an oil inlet hole is opened on one side of the inner oil tank shell, and an oil inlet pipe is fixedly connected in the oil inlet hole. The utility model arranges a buffer mechanism, and the vibration of the inner oil tank shell drives the oil inlet pipe and a sliding ring to move, the movement of the sliding ring drives the telescopic spring to elastically deform, and the movement of the sliding ring drives the spring sheet to move, so that the fixed block squeezes the spring sheet to bend downward and elastically deform, thereby increasing the friction between the fixed block and the spring sheet, achieving a buffering effect on the oil inlet pipe, avoiding the oil inlet pipe from being pulled and damaged, and solving the problem that the oil inlet pipe of the oil tank is pulled due to the shaking of the inner oil tank, which is easy to cause damage to the oil inlet pipe during long-term use.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles, in particular to a double-layer soft oil tank for unmanned aerial vehicles. Background Art

[0002] Unmanned aerial vehicles, also known as "drones", are unmanned aircraft that are controlled by radio remote control equipment and self-contained program control devices, or are operated completely or intermittently autonomously by on-board computers.

[0003] A Chinese patent with publication number CN215098310U was searched and disclosed, which is a double-layer soft fuel tank structure used in a UAV, including an outer shell of a UAV, a fuselage is fixedly installed at the middle position of the outer shell of the UAV, a fuel tank shell is movably installed on the side of the fuselage, a handle is fixedly installed on the right end of the fuselage, an arm is movably installed on the right end of the handle, and a cylinder is fixedly installed on the upper end of the arm.

[0004] Based on the above search and combined with the prior art, we found that:

[0005] In the existing process of shock absorbing the double-layer soft fuel tank of the UAV, the inner fuel tank shakes, causing the fuel tank inlet pipe to be pulled, which is easy to cause damage to the fuel inlet pipe during long-term use. Utility Model Content

[0006] In order to solve the above technical problems, the utility model proposes a double-layer soft oil tank for an unmanned aerial vehicle. The vibration of the inner oil tank shell drives the oil inlet pipe and the sliding ring to move. The movement of the sliding ring drives the telescopic spring to elastically deform. The movement of the sliding ring drives the shrapnel to move, so that the fixed block squeezes the shrapnel to bend downward and elastically deform, thereby increasing the friction between the fixed block and the shrapnel, thereby achieving a buffering effect on the oil inlet pipe and preventing the oil inlet pipe from being pulled and damaged.

[0007] The technical solution to achieve the purpose of the utility model is: a double-layer soft oil tank for a drone, comprising an outer oil tank shell, an inner oil tank shell is arranged inside the outer oil tank shell, an oil inlet hole is opened on one side of the inner oil tank shell, an oil inlet pipe is fixedly connected to the oil inlet hole, and also includes;

[0008] A buffer mechanism, wherein the buffer mechanism is located on the outer fuel tank shell;

[0009] The buffer mechanism includes a fixing hole opened on one side of the outer oil tank shell, a fixing tube is fixedly connected in the fixing hole, one end of the oil inlet pipe passes through the fixing tube and extends to one side of the outer oil tank shell, a sliding ring is fixedly sleeved on the oil inlet pipe, the sliding ring is slidably connected to the inner wall of the fixing tube, two telescopic springs are sleeved on the oil inlet pipe, two ends of the telescopic springs are respectively fixedly connected to the sliding ring and the fixing tube, two fixing blocks are fixedly connected to the inner wall of the fixing tube, two spring sheets are fixedly connected to both sides of the sliding ring, and the bottom ends of the two fixing blocks are respectively fitted with the tops of the two spring sheets.

[0010] In some embodiments, the top and bottom of the inner oil tank shell are fixedly connected to fixing frames, and the two fixing frames are fixedly connected to two fixing columns on the sides away from each other. A movable groove is opened at one end of the four fixing columns, and damping columns are slidably connected in the four movable grooves. One end of every two damping columns is commonly fixedly connected to a mounting frame, and the two mounting frames are respectively fixedly connected to the top inner wall and the bottom inner wall of the outer oil tank shell.

[0011] In some embodiments, a return spring is sleeved on the four fixing columns, and two ends of the return spring are fixedly connected to the fixing frame and the mounting frame respectively.

[0012] In some embodiments, the two fixing frames and the two mounting frames are both in an I-shape.

[0013] In some embodiments, two square protective pads are fixedly sleeved on the inner tank shell, and two strip protective pads are fixedly connected to both sides of the two square protective pads.

[0014] In some embodiments, an oil outlet hole is provided at the bottom of the inner oil tank shell, an oil outlet pipe is fixedly connected to the oil outlet hole, a mounting hole is provided at the bottom of the outer oil tank shell, the bottom end of the oil outlet pipe passes through the mounting hole and extends to the bottom of the outer oil tank shell.

[0015] Compared with the prior art, the present invention has the following significant advantages:

[0016] The utility model provides a buffer mechanism, and the vibration of the inner oil tank shell drives the oil inlet pipe and the sliding ring to move, and the movement of the sliding ring drives the telescopic spring to elastically deform, and the movement of the sliding ring drives the spring sheet to move, so that the fixed block squeezes the spring sheet to bend downward and elastically deform, thereby increasing the friction between the fixed block and the spring sheet, achieving a buffering effect on the oil inlet pipe, and preventing the oil inlet pipe from being pulled and damaged;

[0017] The invention solves the existing problem that the oil inlet pipe of the oil tank is pulled due to the shaking of the inner oil tank, and the oil inlet pipe is easily damaged during long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure provided by the utility model in one embodiment;

[0020] Figure 2 It is a schematic diagram of the internal cross-section of the outer fuel tank shell provided in one embodiment of the utility model;

[0021] Figure 3 It is a schematic diagram of a fixing frame, a fixing main body and a three-dimensional structure provided in one embodiment of the utility model;

[0022] Figure 4 It is a schematic diagram of the internal cross-sectional plan structure of a fixed tube provided in one embodiment of the utility model.

[0023] Description of reference numerals:

[0024] 1. Outer oil tank shell; 11. Inner oil tank shell; 12. Oil inlet pipe; 13. Fixed pipe; 14. Sliding ring; 15. Telescopic spring; 16. Shrapnel; 17. Fixed block; 18. Oil outlet pipe; 2. Fixed frame; 21. Fixed column; 22. Damping column; 23. Reset spring; 24. Mounting frame; 3. Square protective pad; 31. Strip protective pad. DETAILED DESCRIPTION

[0025] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides a double-layer soft fuel tank for a drone through improvement. The technical solution of the utility model is:

[0027] like Figure 1-Figure 4As shown, a double-layer soft oil tank for an unmanned aerial vehicle comprises an outer oil tank shell 1, an inner oil tank shell 11 is arranged inside the outer oil tank shell 1, an oil inlet hole is opened on one side of the inner oil tank shell 11, an oil inlet pipe 12 is fixedly connected in the oil inlet hole, and a buffer mechanism is also included, and the buffer mechanism is located on the outer oil tank shell 1; the buffer mechanism comprises a fixing hole opened on one side of the outer oil tank shell 1, a fixing pipe 13 is fixedly connected in the fixing hole, one end of the oil inlet pipe 12 passes through the fixing pipe 13 and extends to one side of the outer oil tank shell 1, a sliding ring 14 is fixedly sleeved on the oil inlet pipe 12, the sliding ring 14 is slidably connected to the inner wall of the fixing pipe 13, and two telescopic springs 15 are sleeved on the oil inlet pipe 12, and the two ends of the telescopic spring 15 are respectively connected to the sliding ring 14 and The fixed tube 13 is fixedly connected, and two fixed blocks 17 are fixedly connected to the inner wall of the fixed tube 13. Two spring plates 16 are fixedly connected to both sides of the sliding ring 14, and the bottom ends of the two fixed blocks 17 are respectively fitted with the tops of the two spring plates 16; through the setting of the buffer mechanism, the vibration of the inner tank shell 11 drives the oil inlet pipe 12 and the sliding ring 14 to move, and the movement of the sliding ring 14 drives the telescopic spring 15 to elastically deform, and the movement of the sliding ring 14 drives the spring plate 16 to move, so that the fixed block 17 squeezes the spring plate 16 to bend downward and elastically deform, thereby increasing the friction between the fixed block 17 and the spring plate 16, so as to achieve a buffering effect on the oil inlet pipe 12 and prevent the oil inlet pipe 12 from being pulled and damaged.

[0028] like Figure 2 As shown, in one embodiment, the top and bottom of the inner oil tank shell 11 are fixedly connected with a fixing frame 2, and the two fixing frames 2 are fixedly connected with two fixing columns 21 on the sides away from each other, and one end of the four fixing columns 21 is provided with a movable groove, and the four movable grooves are slidably connected with a damping column 22, and one end of every two damping columns 22 is commonly fixedly connected with a mounting frame 24, and the two mounting frames 24 are respectively fixedly connected to the top inner wall and the bottom inner wall of the outer oil tank shell 1, and the four fixing columns 21 are sleeved with a return spring 23, and the two ends of the return spring 23 are respectively fixedly connected to the fixing frame 2 and the mounting frame 24; the inner oil tank shell 11 is shock-absorbing by the cooperation of the fixing frame 2, the fixing column 21, the damping column 22, the mounting frame 24 and the return spring 23.

[0029] like Figure 3 As shown, in one embodiment, the two fixing frames 2 and the two mounting frames 24 are both in an I-shape; through the arrangement of the fixing frames 2, the fixing frames 2 and the mounting frames 24 are in an I-shape, thereby increasing the contact area between the fixing frames 2 and the mounting frames 24 and the inner tank shell 11 and the outer tank shell 1.

[0030] like Figure 2As shown, in one embodiment, two square protection pads 3 are fixedly sleeved on the inner oil tank shell 11, and two strip protection pads 31 are fixedly connected to both sides of the two square protection pads 3; through the arrangement of the square protection pads 3, the square protection pads 3 and the strip protection pads 31 cooperate with each other to achieve the protection effect of the inner oil tank shell 11.

[0031] like Figure 1 As shown, in one embodiment, an oil outlet hole is opened at the bottom of the inner oil tank shell 11, and an oil outlet pipe 18 is fixedly connected to the oil outlet hole. A mounting hole is opened at the bottom of the outer oil tank shell 1, and the bottom end of the oil outlet pipe 18 passes through the mounting hole and extends to the bottom of the outer oil tank shell 1; through the setting of the oil outlet pipe 18, the effect of oil drainage is achieved.

[0032] The specific working method is: when in use, the inner oil tank shell 11 is damped by the cooperation of the fixing frame 2, the fixing column 21, the damping column 22, the mounting frame 24 and the return spring 23. When the inner oil tank shell 11 causes the oil inlet pipe 12 to be pulled during the damping process, the inner oil tank shell 11 moves to drive the oil inlet pipe 12 to move, the oil inlet pipe 12 moves to drive the sliding ring 14 to move, the sliding ring 14 moves to drive the telescopic spring 15 to undergo elastic deformation, the sliding ring 14 moves to drive the spring piece 16 to move, so that the fixing block 17 squeezes the spring piece 16 to bend downward and undergo elastic deformation, thereby increasing the friction between the fixing block 17 and the spring piece 16, thereby achieving a buffering effect on the oil inlet pipe 12 and preventing the oil inlet pipe 12 from being pulled and damaged.

[0033] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A double-layer soft oil tank for an unmanned aerial vehicle, comprising an outer oil tank shell (1), an inner oil tank shell (11) is arranged inside the outer oil tank shell (1), an oil inlet hole is opened on one side of the inner oil tank shell (11), an oil inlet pipe (12) is fixedly connected to the oil inlet hole, and the characteristics are: Also includes; A buffer mechanism, the buffer mechanism being located on the outer oil tank shell (1); The buffer mechanism comprises a fixing hole opened on one side of the outer oil tank shell (1), a fixing pipe (13) is fixedly connected in the fixing hole, one end of the oil inlet pipe (12) passes through the fixing pipe (13) and extends to one side of the outer oil tank shell (1), a sliding ring (14) is fixedly sleeved on the oil inlet pipe (12), the sliding ring (14) is slidably connected to the inner wall of the fixing pipe (13), two telescopic springs (15) are sleeved on the oil inlet pipe (12), two ends of the telescopic spring (15) are respectively fixedly connected to the sliding ring (14) and the fixing pipe (13), two fixing blocks (17) are fixedly connected to the inner wall of the fixing pipe (13), two elastic sheets (16) are fixedly connected to both sides of the sliding ring (14), and the bottom ends of the two fixing blocks (17) are respectively fitted with the tops of the two elastic sheets (16).

2. The double-layer soft fuel tank for UAV according to claim 1 is characterized by: The top and bottom of the inner oil tank shell (11) are fixedly connected to fixing frames (2), and the two fixing frames (2) are fixedly connected to two fixing columns (21) on the sides away from each other. One end of the four fixing columns (21) is provided with a movable groove, and damping columns (22) are slidably connected in the four movable grooves. One end of each two damping columns (22) is commonly fixedly connected to a mounting frame (24), and the two mounting frames (24) are respectively fixedly connected to the top inner wall and the bottom inner wall of the outer oil tank shell (1).

3. The double-layer soft fuel tank for UAV according to claim 2 is characterized in that: A return spring (23) is sleeved on the four fixing columns (21), and two ends of the return spring (23) are fixedly connected to the fixing frame (2) and the mounting frame (24) respectively.

4. The double-layer soft fuel tank for UAV according to claim 3 is characterized by: The two fixing frames (2) and the two mounting frames (24) are both in an I-shape.

5. The double-layer soft fuel tank for UAV according to claim 1, characterized in that: Two square protection pads (3) are fixedly sleeved on the inner oil tank shell (11), and two strip protection pads (31) are fixedly connected to both sides of the two square protection pads (3).

6. The double-layer soft fuel tank for UAV according to claim 5, characterized in that: The bottom of the inner oil tank shell (11) is provided with an oil outlet hole, an oil outlet pipe (18) is fixedly connected to the oil outlet hole, and the bottom of the outer oil tank shell (1) is provided with a mounting hole, the bottom end of the oil outlet pipe (18) passes through the mounting hole and extends to the bottom of the outer oil tank shell (1).

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