Undercarriage for unmanned aerial vehicle

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an undercarriage for an unmanned aerial vehicle, which comprises a bearing plate, two mounting blocks are fixedly arranged on the left side and the right side of the bearing plate respectively, mounting grooves are formed in the bottoms of the mounting blocks, supporting legs are detachably arranged in the mounting grooves, and mounting bins are arranged in the mounting blocks. A lock rod is movably arranged in the mounting bin through a springback assembly, one end of the lock rod penetrates through the sliding hole and extends into the mounting groove to be connected with a lock block, and the other end of the lock rod penetrates out of the mounting bin through a movable hole to be connected with a handle; by arranging the mounting groove, the mounting bin and the locking rod, the supporting leg can be taken down only by pulling the handle to enable the locking block to slide out of the locking hole during disassembly, and on the contrary, the supporting leg can be taken down only by pulling the handle to retract the locking block and arranging the top end of the supporting leg in the mounting groove during installation. When the handle is loosened, the springback assembly rebounds the locking block into the locking hole, and the supporting leg can be locked, so that the supporting leg of the unmanned aerial vehicle can be quickly disassembled and assembled.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles, in particular to a landing gear for unmanned aerial vehicles. Background Art

[0002] A drone is an unmanned aircraft controlled by a radio remote control device and a self-contained program control device. With the advancement of science and technology, drones are being used more and more widely, and are now mostly used in the field of aerial photography. A drone generally includes a fuselage, propellers, an electric drive mechanism, and a landing gear. Among them, the landing gear is generally fixed on the bottom of the drone fuselage and consists of multiple legs for support on the bottom surface. In actual application, the drone is generally placed on the ground, and then the user controls the remote control to control the drone to take off and complete the corresponding work. When the drone completes the corresponding work, the drone is controlled to slowly land on the ground.

[0003] The landing gear in the prior art is fixedly connected to the bottom of the UAV body to ensure the stability of the UAV take-off and landing. In order to facilitate the take-off and landing of the UAV, when the UAV is landing, the bottom of the landing gear contacts the ground and the landing gear is subjected to a large force. Therefore, the landing gear of the UAV is easily damaged. When the landing gear of the UAV is damaged, it is inconvenient to disassemble and replace the landing gear due to the fixed connection between the landing gear and the UAV body. At the same time, it needs to be replaced as a whole, which will cause a large waste of resources. Utility Model Content

[0004] The purpose of the utility model is to provide a landing gear for a UAV, which solves the problem that in the prior art, the landing gear is fixedly connected to the bottom of the UAV fuselage, and when the UAV landing gear is damaged, it is inconvenient to disassemble and replace it, and it needs to be replaced as a whole, which causes a waste of resources.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A landing gear for an unmanned aerial vehicle comprises a load-bearing plate, two mounting blocks are fixedly provided on the left and right sides of the load-bearing plate respectively, a mounting groove is provided at the bottom of the mounting block, a support leg is detachably provided in the mounting groove, a mounting compartment is provided inside the mounting block, a locking rod is movably provided in the mounting compartment through a rebound component, one end of the locking rod passes through a sliding hole and extends into the mounting groove to be connected to the locking block, and the other end of the locking rod passes through the mounting compartment through a movable hole to be connected to a handle; a locking hole is provided on the support leg to be slidably inserted into and connected to the locking block.

[0007] A further technical solution is that the rebound assembly includes a support spring and a support ring. The support ring is placed in the installation chamber and fixedly sleeved on the outside of the locking rod. The support spring is sleeved on the outside of the locking rod. One end of the support spring is fixedly connected to the side of the support ring away from the sliding hole, and the other end of the support spring is fixedly connected to the inner wall of the installation chamber.

[0008] A further technical solution is that the outer ring diameter of the support ring is larger than the inner ring diameter of the sliding hole; the outer ring diameter of the support ring is larger than the inner ring diameter of the movable hole.

[0009] A further technical solution is that a buffer groove is provided at the bottom end of the supporting leg, a buffer spring is fixedly connected in the buffer groove, the end of the buffer spring close to the groove is connected to a leg cone, and the end of the leg cone away from the buffer groove is placed outside the buffer groove.

[0010] A further technical solution is that a limiting ring is provided near the slot of the buffer groove, and one end of the leg cone placed in the buffer groove is fixedly connected to the buffer spring through a limiting block, and the outer ring diameter of the limiting block is larger than the inner ring diameter of the limiting ring.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: 1. By setting the installation slot, the installation compartment and the locking rod, when disassembling, you only need to pull the handle to make the locking block slide out of the locking hole to remove the support leg. Conversely, when installing, you only need to pull the handle to retract the locking block, set the top of the support leg in the installation slot, loosen the handle rebound assembly to rebound the locking block into the locking hole, and then the support leg can be locked, so that the support leg of the drone can be quickly disassembled and assembled, which is convenient for replacing damaged support legs. 2. The support legs are connected to the load-bearing plate through the installation blocks, respectively, so that the support legs can be replaced separately to avoid the waste of resources caused by replacing them as a whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a cross-sectional view of a landing gear for an unmanned aerial vehicle.

[0013] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle.

[0014] Figure 3 For this utility model Figure 1 Enlarged view of point B in the middle.

[0015] Icon: 1-bearing plate, 2-mounting block, 3-mounting slot, 4-support leg, 5-mounting compartment, 6-locking rod, 7-sliding hole, 8-movable hole, 9-locking block, 10-handle, 11-locking hole, 12-support spring, 13-support ring, 14-buffer slot, 15-buffer spring, 16-leg cone, 17-limiting ring, 18-limiting block. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0017] Example:

[0018] See also Figures 1 to 3 The figure shows a landing gear for a drone, comprising a load-bearing plate 1, with mounting blocks 2 fixedly disposed on the left and right sides of the load-bearing plate 1, respectively; a mounting groove 3 is provided at the bottom of the mounting block 2, a support leg 4 is detachably disposed in the mounting groove 3, a mounting compartment 5 is disposed inside the mounting block 2, a locking rod 6 is movably disposed in the mounting compartment 5 through a rebound assembly, one end of the locking rod 6 passes through a sliding hole 7 and extends into the mounting groove 3 to be connected to a locking block 9, and the other end of the locking rod 6 passes through the mounting compartment 5 through a movable hole 8 to be connected to a handle 10; a locking hole 11 is provided on the support leg 4 to be slidably inserted into the locking block 9; in actual use, when a damaged support leg 4 needs to be replaced, only the handle 10 needs to be pulled. The handle 10 drives the locking rod 6 to move, and then drives the locking block 9 to slide out of the locking hole 11, so that the supporting leg 4 can be removed from the mounting groove 3. During installation, you only need to pull the handle 10, and the handle 10 drives the locking rod 6 to move, and then drives the locking block 9 to slide into the sliding hole 7, place the top end of the supporting leg 4 in the mounting groove 3, release the handle 10, and under the action of the rebound component, the rebound component drives the locking rod 6 to rebound, causing the locking block 9 to slide out of the sliding hole 7 and insert into the locking hole 11 on the supporting leg 4 that matches the locking block 9, thereby quickly disassembling and assembling the supporting leg 4. The outer ring diameter of the locking block 9 is set to be smaller than the inner ring diameter of the sliding hole 7, so that when disassembling and assembling the supporting leg 4, the locking block 9 can slide smoothly into the sliding hole 7.

[0019] See also Figure 1 , Figure 2 As shown, the rebound assembly includes a support spring 12 and a support ring 13. The support ring 13 is placed in the installation chamber 5 and fixedly sleeved on the outside of the locking rod 6. The support spring is sleeved on the outside of the locking rod. One end of the support spring 12 is fixedly connected to the side of the support ring 13 away from the sliding hole 7, and the other end of the support spring 12 is fixedly connected to the inner wall of the installation chamber 5. In actual use, the support spring 12 and the support ring 13 cooperate to ensure that the locking block 9 is always placed in the installation groove 3. When the locking rod 6 is pulled by the handle 10 to drive the locking block 9 to slide into the sliding groove, after the handle 10 is released, the elastic action of the support spring 12 pushes the support ring 13, and the support ring 13 drives the locking rod 6 to move, thereby driving the locking block 9 to slide into the installation groove 3 to install the support leg 4, thereby ensuring the stability of the support leg 4 installed in the installation groove 3.

[0020] See also Figure 2It is shown that the outer ring diameter of the support ring 13 is larger than the inner ring diameter of the sliding hole 7; the outer ring diameter of the support ring 13 is larger than the inner ring diameter of the movable hole 8; by setting the outer ring diameter of the support ring 13 to be larger than the inner ring diameter of the sliding hole 7, it is ensured that under the action of the support spring 12, the support ring 13 will not slide into the sliding hole 7, affecting the stability of the fixation of the support leg 4, and by setting the outer ring diameter of the support ring 13 to be larger than the inner ring diameter of the sliding hole 7, when the handle 10 is pulled, the locking rod 6 will not be completely pulled out of the installation compartment 5.

[0021] See also Figure 1 , Figure 3 As shown, a buffer groove 14 is provided at the bottom end of the supporting leg 4, and a buffer spring 15 is fixedly connected in the buffer groove 14, and a leg cone 16 is connected to one end of the buffer spring 15 close to the groove, and the end of the leg cone 16 away from the buffer groove 14 is placed outside the buffer groove 14; in actual use, by setting the buffer groove 14, the buffer spring 15 and the leg cone 16, when the UAV lands, the bottom of the leg cone 16 will contact the landing surface, and the UAV will continue to move downward under the inertia of its own gravity, thereby causing the supporting leg 4 to move downward, and the supporting leg 4 will squeeze the buffer spring 15 when moving downward, and the downward movement amplitude of the supporting leg 4 is reduced under the action of the elastic force of the buffer spring 15, thereby buffering the landing of the UAV and ensuring the landing stability. At the same time, the leg cone 16 adopts a pointed end at the bottom, and when the landing surface of the UAV is an uneven ground such as an outdoor lawn, the bottom of the leg cone 16 can penetrate into the bottom surface of the lawn to prevent the supporting leg 4 from being unstable in contact with the uneven ground such as the lawn, thereby affecting the landing stability of the UAV.

[0022] See also Figure 3 As shown, a limiting ring 17 is provided near the notch of the buffer groove 14, and one end of the leg cone 16 placed in the buffer groove 14 is fixedly connected to the buffer spring 15 through a limiting block 18, and the outer ring diameter of the limiting block 18 is larger than the inner ring diameter of the limiting ring 17; in actual use, by setting the limiting ring 17 and the limiting block 18, it can be ensured that the buffer spring 15 in the buffer groove 14 will not be placed outside the buffer groove 14, so that the end of the leg cone 16 close to the buffer groove 14 is always placed in the buffer groove 14, ensuring stability.

[0023] Although the utility model is described herein with reference to a plurality of illustrative embodiments of the utility model, it should be understood that those skilled in the art may devise many other modifications and implementations that fall within the scope and spirit of the principles disclosed herein. More specifically, within the scope of the disclosure, drawings, and claims of the present application, various modifications and improvements may be made to the components and / or layout of the subject combination layout. In addition to the modifications and improvements made to the components and / or layout, other uses will also be apparent to those skilled in the art.

Claims

1. A landing gear for an unmanned aerial vehicle, comprising a load-bearing plate (1), characterized in that: Two mounting blocks (2) are fixedly provided on the left and right sides of the bearing plate (1), respectively; a mounting groove (3) is provided at the bottom of the mounting block (2); a support leg (4) is detachably provided in the mounting groove (3); a mounting compartment (5) is provided inside the mounting block (2); a locking rod (6) is movably provided in the mounting compartment (5) through a rebound assembly; one end of the locking rod (6) passes through a sliding hole (7) and extends into the mounting groove (3) to be connected to a locking block (9); the other end of the locking rod (6) passes through a movable hole (8) to pass out of the mounting compartment (5) to be connected to a handle (10); and a locking hole (11) is provided on the support leg (4) to be slidably inserted into and connected to the locking block (9).

2. A landing gear for a drone according to claim 1, characterized in that: The rebound assembly comprises a support spring (12) and a support ring (13); the support ring (13) is placed in the installation chamber (5) and fixedly sleeved on the outside of the locking rod (6); the support spring (12) is sleeved on the outside of the locking rod (6); one end of the support spring (12) is fixedly connected to a side of the support ring (13) away from the sliding hole (7); and the other end of the support spring (12) is fixedly connected to the inner wall of the installation chamber (5).

3. A landing gear for a drone according to claim 2, characterized in that: The outer ring diameter of the support ring (13) is larger than the inner ring diameter of the sliding hole (7); the outer ring diameter of the support ring (13) is larger than the inner ring diameter of the movable hole (8).

4. The landing gear for a drone according to claim 1, characterized in that: A buffer groove (14) is provided at the bottom end of the support leg (4), a buffer spring (15) is fixedly connected in the buffer groove (14), an end of the buffer spring (15) close to the notch is connected to a leg cone (16), and an end of the leg cone (16) away from the buffer groove (14) is placed outside the buffer groove (14).

5. A landing gear for a drone according to claim 4, characterized in that: A limiting ring (17) is provided near the notch of the buffer groove (14); one end of the leg cone (16) placed in the buffer groove (14) is fixedly connected to the buffer spring (15) via a limiting block (18); and the outer ring diameter of the limiting block (18) is larger than the inner ring diameter of the limiting ring (17).

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