Unmanned aerial vehicle undercarriage damping mechanism

Abstract

The utility model discloses an unmanned aerial vehicle undercarriage damping mechanism, and belongs to the technical field of unmanned aerial vehicle part damping facilities. The unmanned aerial vehicle comprises an unmanned aerial vehicle body, propellers are fixedly connected to the periphery of the top of the unmanned aerial vehicle body, first supporting legs are fixedly connected to the periphery of the bottom of the unmanned aerial vehicle body, and buffer structures are arranged at the bottoms of the first supporting legs. Secondly, during descending, impact force extrudes a damping rod to drive a second connecting block to be compressed, the second connecting block is driven to reset when the impact force disappears, then the force buffered by the damping rod reaches a second supporting leg and a first supporting leg, then the impact force is reduced again through spring compression buffering, and the damping effect is achieved; the unmanned aerial vehicle undercarriage damping mechanism has the advantage of damping, the stability of an unmanned aerial vehicle body is improved, and meanwhile the phenomenon that the unmanned aerial vehicle turns over on one side due to the fact that the undercarriage shakes is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of shock-absorbing facilities for unmanned aerial vehicle components, in particular to a shock-absorbing mechanism for a landing gear of a unmanned aerial vehicle. Background Art

[0002] When the UAV lands, a landing gear is needed to support the UAV. Patent publication number CN209719901U discloses a UAV landing gear device, which relates to the field of UAVs and has the advantages of increasing the force-bearing area of ​​the tripod, so that the tripod can bear more force. The UAV landing gear device includes a left leg and a right leg arranged on a fuselage, the left leg includes a first U-shaped rod, and both sides of the upper end of the first U-shaped rod are provided with a first horizontal rod perpendicular to the horizontal extension rod in the first U-shaped rod, the right leg includes a second U-shaped rod, and both sides of the upper end of the second U-shaped rod are provided with a second horizontal rod perpendicular to the horizontal extension rod in the second U-shaped rod, the first horizontal rod and the second horizontal rod are arranged opposite to each other and connected by a connecting piece arranged on the first horizontal rod, an embedding groove for placing the first horizontal rod and the second horizontal rod is opened at the bottom of the fuselage, and a fixing piece for fixing the positions of the first horizontal rod and the second horizontal rod in the embedding groove is provided on the fuselage.

[0003] The above-mentioned existing technical solutions have the following defects: when the UAV lands, the existing landing gear will shake, causing the UAV to roll over. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a UAV landing gear shock absorbing mechanism, which has the advantage of shock absorption and solves the problem that the existing landing gear will shake when the UAV lands, causing the UAV to roll over.

[0005] The utility model provides the following technical solution: a shock absorbing mechanism for a drone landing gear, comprising a drone body, wherein propellers are fixedly connected to the top of the drone body on all four sides, and first legs are fixedly connected to the bottom of the drone body on all four sides, and a buffer structure is arranged at the bottom of the first leg.

[0006] As a preferred embodiment of the utility model, the buffer structure includes a hollow column, which is located at the bottom of the surface of the first leg, the inner wall of the hollow column is fixedly connected with a spring, the top of the spring is fixedly connected to the bottom of the first leg, and the bottom of the spring is fixedly connected to the second leg.

[0007] The beneficial effects of the utility model are as follows: the utility model drives the propeller to rise through the drone body, and then when descending, the impact force squeezes the damping rod to drive the second connecting block to compress, and the impact force disappears to drive the second connecting block to reset, and then the force after the damping rod buffers reaches the second leg and the first leg, and then the spring compression is used to buffer and reduce the impact force again, achieving the effect of shock absorption. The shock absorption mechanism of the drone landing gear has the advantage of shock absorption, improves the stability of the drone body, and avoids the phenomenon that the landing gear will shake and cause the drone to roll over. The utility model can reduce the impact force through the setting of the buffer structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 The figure is a three-dimensional diagram of the UAV body of the utility model structure.

[0009] Figure 2 This is a structural buffer diagram of the utility model.

[0010] Figure 3 This is a diagram of the telescopic rod structure of the utility model.

[0011] Figure 4 This is the second connection block diagram of the structure of the utility model. DETAILED DESCRIPTION

[0012] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0013] like Figures 1 to 4 As shown, the shock absorbing mechanism of the drone landing gear of this embodiment includes a drone body 1, the top of the drone body 1 is fixedly connected to propellers 2 on all sides, the bottom of the drone body 1 is fixedly connected to first legs 3 on all sides, and a buffer structure 4 is provided at the bottom of the first leg 3.

[0014] refer to Figure 2 The buffer structure 4 includes a hollow column 401, which is located at the bottom of the surface of the first leg 3. The inner wall of the hollow column 401 is fixedly connected with a spring 402, the top of the spring 402 is fixedly connected with the bottom of the first leg 3, and the bottom of the spring 402 is fixedly connected with the second leg 403.

[0015] In this embodiment, the buffer structure 4 is provided to reduce the impact force.

[0016] refer to Figure 1 The bottom of the second leg 403 is fixedly connected to the first connecting block 5 , and both sides of the bottom of the first connecting block 5 are fixedly connected to the damping rod 6 .

[0017] In this embodiment, the first connecting block 5 and the damping rod 6 are arranged to reduce the impact force and prevent the drone body 1 from shaking greatly.

[0018] refer to Figure 3 The bottom of the damping rod 6 is fixedly connected to the second connecting block 7, the top of the second connecting block 7 is fixedly connected to the telescopic rod 8, and the top of the telescopic rod 8 is fixedly connected to the bottom of the first connecting block 5.

[0019] In this embodiment, the second connecting block 7 is provided to cooperate with the first connecting block 5 to reduce the impact force, and the telescopic rod 8 is provided to connect and support the second connecting block 7 and the first connecting block 5.

[0020] refer to Figure 1 A lighting lamp 9 is fixedly connected to the top of the drone body 1, and a transverse groove 10 is opened at the bottom of the second connecting block.

[0021] In this embodiment, by providing the lighting lamp 9 , it is possible to provide lighting display at night, and by providing the transverse groove 10 , it is possible to provide the roller 12 inside the transverse groove 10 .

[0022] refer to Figure 4 A round rod 11 is fixedly connected to the interior of the transverse groove 10 , and a roller 12 is sleeved on the surface of the round rod 11 .

[0023] In this embodiment, by providing the round rod 11 and the roller 12, the friction on the bottom of the second connecting block 7 can be reduced and the service life can be increased.

[0024] The utility model starts the UAV body 1 to drive the propeller 2 to rise. Secondly, when descending, the impact force will squeeze the damping rod 6 to drive the second connecting block 7 to be compressed. The impact force disappears and drives the second connecting block 7 to reset. Then, the force after being buffered by the damping rod 6 reaches the second leg 403 and the first leg 3. Then, the spring 402 is compressed to buffer and the impact force is reduced again to achieve a shock absorbing effect.

Claims

1. A shock absorbing mechanism for a drone landing gear, comprising a drone body (1), characterized in that: The top of the drone body (1) is fixedly connected to propellers (2) on all four sides, the bottom of the drone body (1) is fixedly connected to first legs (3) on all four sides, and a buffer structure (4) is provided at the bottom of the first legs (3).

2. The shock absorbing mechanism for a drone landing gear according to claim 1, characterized in that: The buffer structure (4) comprises a hollow column (401), wherein the hollow column (401) is located at the bottom of the surface of the first leg (3), the inner wall of the hollow column (401) is fixedly connected to a spring (402), the top of the spring (402) is fixedly connected to the bottom of the first leg (3), and the bottom of the spring (402) is fixedly connected to the second leg (403).

3. The shock absorbing mechanism for a drone landing gear according to claim 2, characterized in that: The bottom of the second supporting leg (403) is fixedly connected to a first connecting block (5), and both sides of the bottom of the first connecting block (5) are fixedly connected to damping rods (6).

4. The shock absorbing mechanism for a drone landing gear according to claim 3 is characterized in that: The bottom of the damping rod (6) is fixedly connected to a second connecting block (7), the top of the second connecting block (7) is fixedly connected to a telescopic rod (8), and the top of the telescopic rod (8) is fixedly connected to the bottom of the first connecting block (5).

5. The shock absorbing mechanism for a drone landing gear according to claim 4, characterized in that: A lighting lamp (9) is fixedly connected to the top of the drone body (1), and a transverse groove (10) is provided at the bottom of the second connecting block.

6. The shock absorbing mechanism for a drone landing gear according to claim 5, characterized in that: A round rod (11) is fixedly connected inside the transverse groove (10), and a roller (12) is sleeved on the surface of the round rod (11).

Images