Unmanned aerial vehicle protection mechanism

Abstract

The utility model provides an unmanned aerial vehicle protection mechanism, and relates to the technical field of unmanned aerial vehicles, the unmanned aerial vehicle protection mechanism comprises an unmanned aerial vehicle main body, a driving assembly is arranged below the unmanned aerial vehicle main body, the driving assembly comprises a U-shaped fixing frame fixedly connected to the bottom surface of the unmanned aerial vehicle main body, and the inner wall of the U-shaped fixing frame is rotatably connected with a bidirectional screw rod; the outer surface of the bidirectional screw rod is in threaded connection with two symmetrical threaded pipes, the bottom faces of the two threaded pipes are fixedly connected with moving blocks, and the outer surfaces of the two moving blocks are hinged to two symmetrical connecting rods. According to the unmanned aerial vehicle protection mechanism, through the arrangement of the driving assembly and the unfolding assembly, a first spring can be rotated to be horizontal in the flight stage, and a moving plate is retracted, so that the protection mechanism is stored, the protection mechanism is unfolded when needed, and the protection mechanism is prevented from affecting the flight function in the flight stage; in the flight stage, the occupied space is small, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of unmanned aerial vehicle protection mechanisms, specifically a kind of unmanned aerial vehicle protection mechanisms, belong to unmanned aerial vehicle technical field. BACKGROUND

[0002] Unmanned aircraft is called "unmanned aerial vehicle" for short, English abbreviation "UAV", is the use of radio remote control equipment and self-provided program control device manipulates the aircraft without people, or by onboard computer completely or intermittently autonomously operates, in the landing after unmanned aerial vehicle flight, to avoid unmanned aerial vehicle to cause damage when landing, will set up protection mechanism to protect unmanned aerial vehicle.

[0003] In the unmanned aerial vehicle protection mechanism disclosed in Chinese patent application CN219077526U, the mechanism can balance and support the two sides of the unmanned aerial vehicle body under the elastic action of air pressure and spring, thereby buffering the unmanned aerial vehicle body, thereby improving the service life of the unmanned aerial vehicle body. By providing a load-bearing block, the load-bearing block can be stably attached to the ground after the unmanned aerial vehicle body lands, thereby reducing the contact between the unmanned aerial vehicle body and the ground.

[0004] However, the above-mentioned patent technical solution is always in an expanded state during implementation. In order to avoid damage caused by collision with the ground when the unmanned aerial vehicle lands, the existing unmanned aerial vehicle will set up a protection mechanism to protect the unmanned aerial vehicle during landing. The existing protection structure is mostly fixed directly, and such protection mechanism cannot be stored even during the flight of the unmanned aerial vehicle, resulting in a large size of the unmanned aerial vehicle and limiting the flight function of the unmanned aerial vehicle. UTILITY MODEL CONTENT

[0005] The purpose of the utility model is to solve the above-mentioned problems and provide an unmanned aerial vehicle protection mechanism.

[0006] The utility model is implemented by the following technical solutions: an unmanned aerial vehicle protection mechanism, comprising an unmanned aerial vehicle body, a drive assembly is arranged below the unmanned aerial vehicle body, the drive assembly comprises a U-shaped fixed frame fixedly connected to the bottom surface of the unmanned aerial vehicle body, a bidirectional screw rod is rotatably connected to the inner wall of the U-shaped fixed frame, two symmetrical threaded pipes are threadedly connected to the outer surface of the bidirectional screw rod, a moving block is fixedly connected to the bottom surface of each threaded pipe, two symmetrical connecting rods are hingedly connected to the outer surface of each moving block, and a moving plate is hingedly connected to the end of each connecting rod away from the moving block.

[0007] The lower portion of the unmanned aerial vehicle body is provided with two symmetrical unfolding assemblies, the unfolding assembly comprises a gear and a fixed plate fixedly connected to the bottom surface of the unmanned aerial vehicle body, the outer surface of the gear is fixedly connected with two symmetrical rotating tubes, the inner walls of the two rotating tubes are slidably connected with sliding rods, the sliding rods penetrate through the moving plate and are rotatably connected with the moving plate, the outer surfaces of the two sliding rods are fixedly connected with two first springs, the ends of the four first springs away from the sliding rods are fixedly connected with anti-collision buffer seats, the outer surface of the fixed plate is fixedly connected with a second spring, the end of the second spring away from the fixed plate is fixedly connected with a U-shaped rack, the U-shaped rack is engaged with the gear, and the U-shaped rack is matched with the moving block.

[0008] Specifically, the inner wall of the U-shaped fixed frame is fixedly connected with a fixed rod, the outer surface of the fixed rod is slidably connected with two symmetrical sliding tubes, the two sliding tubes are fixedly connected to the upper surfaces of the two moving blocks, and the fixed rod and the sliding tube guide the movement of the moving block.

[0009] Preferably, the outer surfaces of the two sliding rods are fixedly connected with two symmetrical anti-slip blocks, the anti-slip blocks are slidably connected to the inner walls of the rotating tubes, the rotating tubes are provided with sliding grooves matched with the anti-slip blocks, and the anti-slip blocks slide in the sliding grooves of the rotating tubes, so that the rotating tubes can drive the sliding rods to rotate when the rotating tubes rotate.

[0010] Further, the outer surfaces of the two sliding rods are fixedly connected with two symmetrical first telescopic rods, the ends of the four first telescopic rods away from the sliding rods are fixedly connected to the outer surfaces of the four anti-collision buffer seats, and the first telescopic rods guide the movement of the anti-collision buffer seats.

[0011] Further, the outer surface of the fixed plate is fixedly connected with a second telescopic rod, the end of the second telescopic rod away from the fixed plate is fixedly connected to the outer surface of the U-shaped rack, and the second telescopic rod guides the movement of the U-shaped rack.

[0012] Preferably, the outer surfaces of the two rotating tubes are rotatably connected with support seats, and the two support seats are fixedly connected to the bottom surface of the unmanned aerial vehicle body, so that the support seats support the rotation of the rotating tubes.

[0013] The utility model provides a kind of unmanned aerial vehicle protection mechanism, it has the beneficial effects as follows:

[0014] 1, the unmanned aerial vehicle protection mechanism is set by driving assembly and unfolding assembly, first spring can be rotated to horizontal in flight phase, and moving plate is retracted, so that protection mechanism is stored, and protection mechanism is unfolded when needed, avoid flight phase protection mechanism to influence flight function, guarantee that the occupied space is smaller in flight phase, it is convenient to use.

[0015] 2、The unmanned aerial vehicle protection mechanism is provided with the unfolding assembly, when protection is needed, the anti-collision buffer seat is rotated to be vertical and pushed outwards, at this time, the upper anti-collision buffer seat is higher than the blade of the unmanned aerial vehicle body, the lower anti-collision buffer seat is also lower than the lowest point of the unmanned aerial vehicle body, at the same time, the first spring is compressed when the anti-collision buffer seat collides with the outside, so as to buffer and protect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a three-dimensional structure schematic view of the utility model U-shaped fixed frame and bidirectional screw rod;

[0018] Figure 3 It is a three-dimensional structure schematic view of the utility model bidirectional screw rod and connecting rod;

[0019] Figure 4 It is a three-dimensional structure schematic view of the utility model moving block and rotating pipe;

[0020] Figure 5 It is a three-dimensional structure schematic view of the utility model rotating pipe and sliding rod.

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] 1、Unmanned aerial vehicle body;

[0023] 2、Driving assembly;21、U-shaped fixed frame;22、Bidirectional screw rod;23、Threaded pipe;24、Moving block;25、Connecting rod;26、Moving plate;27、Fixed rod;28、Sliding pipe;

[0024] 3、Unfolding assembly;31、Gear;32、Rotating pipe;33、Sliding rod;34、Anti-slip block;35、First spring;36、Anti-collision buffer seat;37、Fixed plate;38、Second spring;39、U-shaped rack;310、First telescopic rod;311、Second telescopic rod;312、Supporting seat. DETAILED DESCRIPTION

[0025] The utility model embodiment provides a kind of unmanned aerial vehicle protection mechanism.

[0026] Please focus on referring to Figure 1 、 Figure 2 、 Figure 3 And Figure 4The utility model relates to an unmanned plane, including unmanned plane body 1, the lower portion of unmanned plane body 1 is provided with drive assembly 2, drive assembly 2 includes the U type fixed frame 21 of fixed connection in unmanned plane body 1 bottom surface, the inner wall rotationally connected with bidirectional screw rod 22 of U type fixed frame 21, be provided with motor on U type fixed frame 21 and provide power for the rotation of bidirectional screw rod 22, the outer surface screw thread connection of bidirectional screw rod 22 has two symmetrical screw pipes 23, two screw pipes 23 can be driven away from each other or each other when bidirectional screw rod 22 rotates close with two screw pipes 23.

[0027] The bottom surface of two screw pipes 23 is fixedly connected with moving block 24, the outer surface of two moving blocks 24 is hingedly connected with two symmetrical connecting rods 25, the end away from moving block 24 of four connecting rods 25 is hingedly connected with moving plate 26, moving block 24 moves and can push the moving plate 26 on both sides synchronous expansion and contraction through connecting rod 25.

[0028] The inner wall of U type fixed frame 21 is fixedly connected with fixed rod 27, the outer surface of fixed rod 27 is slidably connected with two symmetrical sliding tubes 28, two sliding tubes 28 are fixedly connected on the upper surface of two moving blocks 24, and fixed rod 27 and sliding tube 28 guide the movement of moving block 24.

[0029] Please refer to Figure 1 、 Figure 4 And Figure 5 The lower portion of unmanned plane body 1 is provided with two symmetrical unfolding assemblies 3, and the unfolding assembly 3 includes a gear 31 and a fixed plate 37 fixedly connected to the bottom surface of the unmanned plane body 1. The outer surface of the gear 31 is fixedly connected with two symmetrical rotating tubes 32, the inner walls of the two rotating tubes 32 are slidably connected with sliding rods 33, the sliding rods 33 penetrate through the moving plates 26 and are rotatably connected with the moving plates 26, the outer surfaces of the two sliding rods 33 are fixedly connected with two first springs 35, the ends away from the sliding rods 33 of the four first springs 35 are fixedly connected with anti-collision buffer seats 36, the anti-collision buffer seats 36 are elastic and can protect the unmanned plane body 1.

[0030] The outer surface of the fixed plate 37 is fixedly connected with a second spring 38, the end away from the fixed plate 37 of the second spring 38 is fixedly connected with a U-shaped rack 39, the U-shaped rack 39 is engaged with the gear 31, the U-shaped rack 39 is matched with the moving blocks 24, the moving blocks 24 can push the U-shaped rack 39 to move when moving, and the moving blocks 24 and the U-shaped rack 39 can be separated.

[0031] The outer surfaces of the two sliding rods 33 are fixedly connected with two symmetrical anti-slip blocks 34 which are slidingly connected to the inner walls of the rotating pipes 32, the rotating pipes 32 are provided with sliding grooves matched with the anti-slip blocks 34, and the anti-slip blocks 34 slide in the sliding grooves of the rotating pipes 32, so that the rotating pipes 32 can drive the sliding rods 33 to rotate when the rotating pipes 32 rotate.

[0032] The outer surfaces of the two sliding rods 33 are fixedly connected with two symmetrical first telescopic rods 310, the ends, away from the sliding rods 33, of the four first telescopic rods 310 are fixedly connected to the outer surfaces of the four anti-collision buffer seats 36, and the first telescopic rods 310 guide the movement of the anti-collision buffer seats 36.

[0033] The outer surface of the fixed plate 37 is fixedly connected with a second telescopic rod 311, and the end, away from the fixed plate 37, of the second telescopic rod 311 is fixedly connected to the outer surface of the U-shaped rack 39, and the second telescopic rod 311 guides the movement of the U-shaped rack 39.

[0034] The outer surfaces of the two rotating pipes 32 are rotatably connected with support seats 312, and the two support seats 312 are fixedly connected to the bottom surfaces of the unmanned aerial vehicle bodies 1, and the support seats 312 support the rotation of the rotating pipes 32.

[0035] Working principle: when the unmanned aerial vehicle bodies 1 need to be protected, the motor on the U-shaped fixed frame 21 is controlled to rotate, the bidirectional screw rod 22 rotates and drives the two threaded pipes 23 to move away synchronously, thereby driving the moving blocks 24 to move and driving the moving plates 26 to expand outward through the connecting rods 25, at this time, the first springs 35 and the anti-collision buffer seats 36 are in a horizontal state, when the moving blocks 24 contact the U-shaped rack 39, the moving blocks 24 drive the U-shaped rack 39 to move, at this time, the second springs 38 are compressed, and under the meshing action of the U-shaped rack 39 and the gear 31, the rotating pipe 32 rotates by 90 degrees, the rotating pipe 32 drives the sliding rod 33 and the first telescopic rod 310 to rotate by 90 degrees, and the first spring 35 and the anti-collision buffer seat 36 are in a vertical state, at this time, the anti-collision buffer seat 36 and the first spring 35 can buffer the impact, thereby protecting the unmanned aerial vehicle bodies 1, and when flight is needed, the protection mechanism is retracted, the motor on the U-shaped fixed frame 21 is controlled to reverse, the two threaded pipes 23 move close to each other, and the moving blocks 24 move away from the U-shaped rack 39, under the elastic force of the compressed second springs 38, the U-shaped rack 39 resets, and the gear 31 reverses by 90 degrees, at this time, the anti-collision buffer seat 36 rotates to a horizontal position, then the two moving blocks 24 continue to move close to each other, and the moving plate 26 is retracted inward, avoiding the anti-collision buffer seat 36 from occupying too much space, the mechanism can store the protection mechanism during the flight stage, and can expand the protection mechanism when needed, avoiding the influence of the protection mechanism on the flight function during the flight stage.

[0036] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A drone protection mechanism comprising a drone body (1), characterized in that: The lower part of the unmanned aerial vehicle body (1) is provided with a driving assembly (2), the driving assembly (2) comprises a U-shaped fixing frame (21) fixedly connected to the bottom surface of the unmanned aerial vehicle body (1), the inner wall of the U-shaped fixing frame (21) is rotatably connected with a bidirectional screw rod (22), the outer surface of the bidirectional screw rod (22) is threadedly connected with two symmetrical threaded pipes (23), the bottom surface of each of the two threaded pipes (23) is fixedly connected with a moving block (24), the outer surface of each of the two moving blocks (24) is hingedly connected with two symmetrical connecting rods (25), and the outer surface of each of the four connecting rods (25) is hingedly connected with a moving plate (26). The lower part of the unmanned aerial vehicle body (1) is provided with two symmetrical unfolding assemblies (3), the unfolding assembly (3) comprises a gear (31) and a fixed plate (37) fixedly connected to the bottom surface of the unmanned aerial vehicle body (1), the outer surface of the gear (31) is fixedly connected with two symmetrical rotating pipes (32), the inner wall of each of the two rotating pipes (32) is slidably connected with a sliding rod (33), the sliding rod (33) penetrates through the moving plate (26) and is rotatably connected with the moving plate (26), the outer surface of each of the two sliding rods (33) is fixedly connected with two first springs (35), the outer surface of each of the four first springs (35) is fixedly connected with an anti-collision buffer seat (36), the outer surface of the fixed plate (37) is fixedly connected with a second spring (38), one end of the second spring (38) away from the fixed plate (37) is fixedly connected with a U-shaped rack frame (39), the U-shaped rack frame (39) is engaged with the gear (31), and the U-shaped rack frame (39) is matched with the moving block (24).

2. The unmanned aerial vehicle protection mechanism of claim 1, wherein: The inner wall of the U-shaped fixing frame (21) is fixedly connected with a fixed rod (27), and the outer surface of the fixed rod (27) is slidably connected with two symmetrical sliding pipes (28).

3. The unmanned aerial vehicle protection mechanism of claim 1, wherein: The outer surface of each of the two sliding rods (33) is fixedly connected with two symmetrical anti-slip blocks (34), and the anti-slip blocks (34) are slidably connected to the inner wall of the rotating pipe (32).

4. The unmanned aerial vehicle protection mechanism of claim 1, wherein: The outer surface of each of the two sliding rods (33) is fixedly connected with two symmetrical first telescopic rods (310), and the outer surface of each of the four first telescopic rods (310) is fixedly connected with the outer surface of each of the four anti-collision buffer seats (36).

5. The unmanned aerial vehicle protection mechanism of claim 1, wherein: The outer surface of the fixed plate (37) is fixedly connected with a second telescopic rod (311), and one end of the second telescopic rod (311) away from the fixed plate (37) is fixedly connected to the outer surface of the U-shaped rack frame (39).

6. The unmanned aerial vehicle protection mechanism of claim 1, wherein: The outer surface of each of the two rotating pipes (32) is rotatably connected with a supporting seat (312), and the two supporting seats (312) are fixedly connected to the bottom surface of the unmanned aerial vehicle body (1).

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