Unmanned aerial vehicle undercarriage

By adjusting the motor-driven gear transmission system to adjust the drone's landing gear height and placing the antenna inside, the problems of fixed landing gear height and antenna interference are solved, enabling convenient maintenance and replacement.

CN223574703UActive Publication Date: 2025-11-21HANGDA HANLAI (TIANJIN) AVIATION TECH CO LTD
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Patent Information

Application Number
CN202520030371.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-11-21
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

Existing drones have fixed landing gear heights, which cannot be adjusted to suit various scenarios. Antennas installed too close together cause interference and are inconvenient to disassemble and repair.

Method used

By adjusting the motor to drive the fixed gear to rotate, the toothed belt drive causes the transmission gear to drive the threaded rod to rotate, pushing the moving box to adjust the landing gear height, and placing the antenna inside the landing gear. Combined with the installation mechanism, it is convenient for maintenance.

Benefits of technology

It enables multi-scenario adaptive adjustment of landing gear height, reduces antenna interference, and simplifies the process of antenna disassembly and replacement.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223574703U_ABST
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Abstract

The utility model discloses an unmanned aerial vehicle undercarriage, and relates to the technical field of undercarriages. The unmanned aerial vehicle undercarriage comprises an unmanned aerial vehicle body; the top of the undercarriage body is fixedly connected with a mounting plate, and the mounting plate is fixedly connected to the bottom of the unmanned aerial vehicle body; the adjusting mechanism comprises an adjusting component, a moving box, a moving component and a buffering component, the moving component is arranged in the undercarriage body, and the adjusting component and the moving box are both arranged on the moving component. According to the unmanned aerial vehicle undercarriage, a fixed gear is driven to rotate through an adjusting motor, a threaded rod is rotated through transmission to adjust a moving box to move, so that the height of the undercarriage body is adjusted, the unmanned aerial vehicle body is supported in multiple scenes, an antenna is placed in the undercarriage, and the problem of interference caused by too close placement position of the antenna is solved; and through cooperation of the adjusting mechanism and the mounting mechanism, the mounting cylinder can be taken out from the moving box, and the antenna can be taken out for replacement and maintenance conveniently.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of landing gear, concretely is a kind of unmanned aerial vehicle landing gear. BACKGROUND

[0002] Unmanned aircraft is called unmanned aerial vehicle, it is unmanned aerial vehicle using radio remote control equipment and self-provided program control device to manipulate, unmanned aerial vehicle is actually the general term of unmanned aerial vehicle, unmanned aerial vehicle can complete complex aerial flight task and various load tasks under the condition of unmanned, and it is regarded as "air robot", landing gear is the most common landing device of unmanned aerial vehicle, and it is one of important force components of unmanned aerial vehicle, it bears larger force, and force is more complex, bears ground reaction force generated by landing impact, absorbs landing ground energy, reduces the impact load of machine body when landing.

[0003] The height of the existing part unmanned aerial vehicle landing gear is fixed, and the height of the landing gear cannot be adjusted in multiple scenes, the existing part unmanned aerial vehicle landing gear is prone to interference due to the close installation of each antenna, and when damage occurs, it is not convenient to disassemble, repair and replace. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of unmanned aerial vehicle landing gear, by adjusting motor drives fixed gear to rotate, by the transmission of toothed belt, transmission gear drives screw rod rotation, to make mobile box push foot and rubber buffer block move, to adjust the height of landing gear body, adapt to multiple scene support unmanned aerial vehicle body, by placing antenna inside landing gear, reduce the interference problem due to antenna placement position too close, by the cooperation of adjusting mechanism and mounting mechanism, installation cylinder can be taken out from mobile box, it is convenient to take out antenna replacement maintenance.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of unmanned aerial vehicle landing gear, comprising: unmanned aerial vehicle body;Landing gear body, the top of the landing gear body is fixedly connected with mounting plate, the mounting plate is fixedly connected to the bottom of unmanned aerial vehicle body;Adjusting mechanism, the adjusting mechanism includes adjusting component, mobile box, moving part and buffer component, the moving part is arranged in landing gear body, the adjusting component and mobile box are all arranged on moving part, and the buffer component is arranged on mobile box;And mounting mechanism, the mounting mechanism includes mounting component, antenna and docking component, the mounting component is arranged in mobile box, the antenna is arranged in mounting component, and the docking component is arranged on mobile box and mounting component.

[0006] Further, the moving component comprises two threaded rods and two transmission gears, one end of each of the threaded rods is rotationally penetrated through the upper inner wall of the landing gear body, each of the transmission gears is fixedly sleeved on the outer surface of the threaded rod, the top of the moving box is threadedly sleeved on the outer surfaces of the two threaded rods, and the moving box is slidingly arranged between the inner walls of the landing gear body.

[0007] Further, the adjusting component comprises an adjusting motor and a fixed gear, the adjusting motor is fixedly connected with the landing gear body, the fixed gear is fixedly sleeved on the output end of the adjusting motor, and the two transmission gears and the fixed gear are in transmission with each other.

[0008] Further, the buffer component comprises a supporting leg and a rubber buffer block, the top of the supporting leg is fixedly connected to the bottom of the moving box, and the rubber buffer block is fixedly embedded in the bottom of the supporting leg.

[0009] Further, the mounting component comprises a fixed cover and a mounting cylinder, the mounting cylinder is slidingly embedded between the inner walls of the moving box, the bottom of the fixed cover is fixedly connected to the top end of the mounting cylinder through bolts, and the antenna is fixedly connected to the bottom of the fixed cover.

[0010] Further, the butt joint component comprises a butt joint block and two limiting blocks, the top end of the butt joint block is fixedly connected to the bottom of the mounting cylinder, one side of each of the limiting blocks is fixedly connected to the outer surface of the butt joint block, the lower inner wall of the moving box is provided with a limiting groove, the butt joint block is slidingly embedded between the inner walls of the limiting groove, and the butt joint block and the two limiting blocks are matched with the limiting groove.

[0011] The utility model provides a kind of unmanned aerial vehicle landing gear.It has the following beneficial effects:

[0012] (1), the unmanned aerial vehicle landing gear, rotating is driven by fixed gear by adjusting motor, the transmission of toothed belt makes transmission gear drive threaded rod rotate, so that moving box pushes supporting leg and rubber buffer block moves, so as to adjust the height of landing gear body, adapt to multiple scene support unmanned aerial vehicle body.

[0013] (2), the unmanned aerial vehicle landing gear, by placing antenna inside landing gear, reduce the problem that interference occurs due to antenna placement position is too close, by the cooperation of adjusting mechanism and mounting mechanism, mounting cylinder can be taken out from moving box, antenna is convenient to take out and overhaul. ACCURACY OF DRAWINGS

[0014] Figure 1 it is front view perspective drawing of the utility model;

[0015] Figure 2 it is front view perspective drawing of the landing gear part of the utility model;

[0016] Figure 3 is a front view of the landing gear part of the utility model;

[0017] Figure 4 is a front view of the landing gear part of the utility model;

[0018] Figure 5 is a front view of the landing gear part of the utility model;

[0019] Figure 6 is a front view of the landing gear part of the utility model;

[0020] Figure 7 is a front view of the landing gear part of the utility model; Figure 6 is an enlarged view of A part of the utility model.

[0021] In the figure: 1, unmanned aerial vehicle body; 2, landing gear body; 3, mounting plate; 4, adjusting mechanism; 401, adjusting motor; 402, fixed gear; 403, transmission gear; 404, threaded rod; 405, moving box; 406, supporting leg; 407, rubber buffer block; 5, mounting mechanism; 501, fixed cover; 502, mounting cylinder; 503, antenna; 504, butt joint block; 505, limiting block; 506, limiting groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-7 The utility model provides a technical scheme: a kind of unmanned aerial vehicle landing gear, comprising: unmanned aerial vehicle body 1;Landing gear body 2, the top of landing gear body 2 is fixedly connected with mounting plate 3, and mounting plate 3 is fixedly connected to the bottom of unmanned aerial vehicle body 1;Adjusting mechanism 4, adjusting mechanism 4 includes adjusting component, moving box 405, moving component and buffer component, moving component is arranged in landing gear body 2, adjusting component and moving box 405 are all arranged on moving component, and buffer component is arranged on moving box 405;And mounting mechanism 5, mounting mechanism 5 includes installation component, antenna 503 and butt joint component, installation component is arranged in moving box 405, antenna 503 is arranged in installation component, and butt joint component is arranged on moving box 405 and installation component.

[0024] In the embodiment, the landing gear body 2 is arranged to support the UAV body 1 and prevent the UAV body 1 from colliding with the ground, the landing gear body 2 is made of glass fiber to facilitate the placement of the antennas 503 in the landing gear body 2 and avoid interference caused by the close installation positions of the antennas 503, the mounting plate 3 is arranged to fix the landing gear body 2 to the UAV body 1, the adjusting mechanism 4 is arranged to adjust the length of the landing gear body 2, the adjusting part and the moving part are arranged to adjust the position of the moving box 405, the buffer part is arranged to play a buffering role, the mounting mechanism 5 is arranged to mount the antennas 503, the mounting part is arranged to mount the antennas 503, and the docking part is arranged to mount the mounting part in the moving box 405.

[0025] Specifically, the moving part includes two threaded rods 404 and two transmission gears 403, one end of each threaded rod 404 is rotatably penetrated into the upper inner wall of the landing gear body 2, each transmission gear 403 is fixedly sleeved on the outer surface of the threaded rod 404, and the top of the moving box 405 is threadedly sleeved on the outer surfaces of the two threaded rods 404, and the moving box 405 is slidingly arranged between the inner walls of the landing gear body 2.

[0026] In the embodiment, the two threaded rods 404 are arranged to adjust the position of the moving box 405, and the two transmission gears 403 are arranged to transmit power.

[0027] Specifically, the adjusting part includes an adjusting motor 401 and a fixed gear 402, the adjusting motor 401 is fixedly connected with the landing gear body 2, the fixed gear 402 is fixedly sleeved on the output end of the adjusting motor 401, and the two transmission gears 403 and the fixed gear 402 are in power transmission relationship.

[0028] In the embodiment, the adjusting motor 401 is arranged to provide rotating power, the fixed gear 402 is arranged to transmit power, and the principle structure of the adjusting motor 401 is common knowledge of those skilled in the art, which will not be described in detail here, and the model thereof can be selected according to actual use.

[0029] Specifically, the buffer part includes a supporting leg 406 and a rubber buffer block 407, the top of the supporting leg 406 is fixedly connected to the bottom of the moving box 405, and the rubber buffer block 407 is fixedly embedded in the bottom of the supporting leg 406.

[0030] In the embodiment, the supporting leg 406 is arranged to support the UAV body 1, and the rubber buffer block 407 is arranged to play a buffering role.

[0031] Specifically, the mounting component includes a fixed cover 501 and a mounting cylinder 502, the mounting cylinder 502 is slidingly embedded between the inner walls of the moving box 405, the bottom of the fixed cover 501 is fixedly connected to the top end of the mounting cylinder 502 by a bolt, and the antenna 503 is fixedly connected to the bottom of the fixed cover 501.

[0032] In this embodiment: the fixed cover 501 and the mounting cylinder 502 are arranged for mounting the antenna 503.

[0033] Specifically, the docking component includes a docking block 504 and two limiting blocks 505, the top end of the docking block 504 is fixedly connected to the bottom of the mounting cylinder 502, one side of the outer surface of each limiting block 505 is fixedly connected to the outer surface of the docking block 504, the lower inner wall of the moving box 405 is provided with a limiting groove 506, the docking block 504 is slidingly embedded between the inner walls of the limiting groove 506, and the docking block 504 and the two limiting blocks 505 are matched with the limiting groove 506.

[0034] In this embodiment: the docking block 504 and the two limiting blocks 505 are matched with the limiting groove 506 for mounting the mounting cylinder 502.

[0035] In use, the antenna 503 is placed inside the landing gear body 2, so as to reduce interference caused by the antenna 503 being placed too close, when it is necessary to adjust the height of the landing gear body 2, the adjusting motor 401 is started, the adjusting motor 401 drives the fixed gear 402 to rotate, the transmission of the toothed belt enables the transmission gear 403 to drive the threaded rod 404 to rotate, so as to enable the moving box 405 to drive the supporting leg 406 and the rubber buffer block 407 to move, thereby adjusting the height of the landing gear body 2, so as to adapt to support the unmanned aerial vehicle body 1 in multiple scenes, through the cooperation of the landing gear body 2, the moving box 405, the supporting leg 406 and the rubber buffer block 407, most of the impact force can be absorbed when the unmanned aerial vehicle body 1 lands, thereby protecting the unmanned aerial vehicle body 1, when it is necessary to overhaul the antenna 503, the moving box 405 is driven to move out of the landing gear body 2 by the adjusting mechanism 4, then the mounting cylinder 502 is screwed, the docking block 504 and the limiting block 505 are rotated to the appropriate position in the limiting groove 506, then the mounting cylinder 502 is taken out of the moving box 405, and then the fixed cover 501 is opened, so that the antenna 503 can be taken out for replacement and overhaul.

[0036] The above describes only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A landing gear for an unmanned aerial vehicle (UAV), characterized in that, include: Unmanned aerial vehicle body (1); The landing gear body (2) has a mounting plate (3) fixedly connected to its top, and the mounting plate (3) is fixedly connected to the bottom of the UAV body (1). Adjustment mechanism (4), the adjustment mechanism (4) includes adjustment component, moving box (405), moving component and buffer component, the moving component is disposed in the landing gear body (2), the adjustment component and the moving box (405) are both disposed on the moving component, and the buffer component is disposed on the moving box (405); as well as The installation mechanism (5) includes an installation component, an antenna (503) and a docking component. The installation component is located inside the mobile box (405), the antenna (503) is located inside the installation component, and the docking component is located on the mobile box (405) and the installation component.

2. The unmanned aerial vehicle landing gear according to claim 1, characterized in that: The moving component includes two threaded rods (404) and two transmission gears (403). One end of each threaded rod (404) is rotatably inserted through the upper inner wall of the landing gear body (2). Each transmission gear (403) is fixedly sleeved on the outer surface of the threaded rod (404). The top of the moving box (405) is threadedly sleeved on the outer surface of the two threaded rods (404), and the moving box (405) is slidably disposed between the inner walls of the landing gear body (2).

3. The unmanned aerial vehicle landing gear according to claim 2, characterized in that: The adjustment component includes an adjustment motor (401) and a fixed gear (402). The adjustment motor (401) is fixedly connected to the landing gear body (2). The fixed gear (402) is fixedly sleeved on the output end of the adjustment motor (401). The two transmission gears (403) and the fixed gear (402) drive each other.

4. The unmanned aerial vehicle landing gear according to claim 3, characterized in that: The buffer component includes a support leg (406) and a rubber buffer block (407). The top of the support leg (406) is fixedly connected to the bottom of the movable box (405), and the rubber buffer block (407) is fixedly embedded in the bottom of the support leg (406).

5. The unmanned aerial vehicle landing gear according to claim 4, characterized in that: The mounting components include a fixed cover (501) and a mounting cylinder (502). The mounting cylinder (502) is slidably embedded between the inner walls of the movable box (405). The bottom of the fixed cover (501) is fixedly connected to the top of the mounting cylinder (502) by bolts. The antenna (503) is fixedly connected to the bottom of the fixed cover (501).

6. The unmanned aerial vehicle landing gear according to claim 5, characterized in that: The docking component includes a docking block (504) and two limiting blocks (505). The top of the docking block (504) is fixedly connected to the bottom of the mounting cylinder (502). One side of the outer surface of each limiting block (505) is fixedly connected to the outer surface of the docking block (504). A limiting groove (506) is provided on the lower inner wall of the movable box (405). The docking block (504) is slidably embedded between the inner walls of the limiting groove (506). The docking block (504) and the two limiting blocks (505) are all matched with the limiting groove (506).