Damping device

By designing the rotational engagement between the buffer cylinder and the damping block, and the compression of the damping spring, the shock absorption problem when the drone lands was solved, thus achieving effective protection of the cargo.

CN223721140UActive Publication Date: 2025-12-26JIANGSU XIANXIAN UAV TECH CO LTD
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Patent Information

Application Number
CN202423224595.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-26
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Existing technology's shock absorption devices for drones cannot effectively reduce the vibration of the loaded cargo upon landing, leading to cargo damage.

Method used

Design a shock absorption device that includes a buffer cylinder, a buffer rod, a damping block, and a damping spring. The device achieves buffering and shock absorption of the UAV body through the rotational engagement of the buffer cylinder and the base and the compression of the damping block.

Benefits of technology

It effectively reduces the impact force on the drone body when landing, protects the cargo from damage, and improves transportation safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The damping device comprises an unmanned aerial vehicle body, a buffer cylinder is fixedly connected to the center of the bottom of the unmanned aerial vehicle body, a buffer rod is movably connected to one end of the buffer cylinder, a spherical rotating block is fixedly connected to one end of the buffer rod, an opening is formed in the bottom of the base, and the spherical rotating block is fixedly connected to the bottom of the base. The damping unmanned aerial vehicle has the advantages that the second damping springs can have a damping effect, so that impact force borne by the unmanned aerial vehicle body can be reduced, goods loaded on the unmanned aerial vehicle body can be damped and protected, meanwhile, the base is in running fit with the buffer rod through the rotating seat, the base is connected to the movable seat through the connecting rod, and the damping effect is good. And the movable seat can be damped and buffered through the first damping spring, so that the base has buffering and anti-seismic effects when being subjected to oblique impact force, and the device has a better protection effect.
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Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned aerial vehicle damping technical field especially, it relates to a damping device. BACKGROUND

[0002] Unmanned aircraft is called "unmanned aerial vehicle", is the use of radio remote control equipment and self-provided program control device manipulates the not load aircraft, unmanned aerial vehicle is actually the collective title of unmanned aircraft, from the technical point of view definition can be divided into: unmanned fixed-wing aircraft, unmanned vertical take-off and landing aircraft, unmanned airship, unmanned helicopter, unmanned multicopter, unmanned parachute wing machine, especially the load unmanned aerial vehicle, mainly used for loading and transfer of goods.

[0003] And because unmanned aerial vehicle when loading will produce heavy load, heavy load unmanned aerial vehicle when landing will cause the impact to the ground, the reaction force produced by the impact will affect the load goods vibration damage, thereby affect the safe transportation of goods, so an urgent need for a damping device to solve the above problems. UTILITY MODEL CONTENT

[0004] To solve the above problems, the utility model provides a damping device, the utility model is through the following technical scheme to realize.

[0005] A damping device, including unmanned aerial vehicle body, the center position of the bottom of unmanned aerial vehicle body is fixedly connected with buffer cylinder, one end of buffer cylinder is movably connected with buffer rod, one end of buffer rod is fixedly connected with spherical rotary block, still including base, the bottom of base is provided with opening, the cross-shaped support frame is fixedly connected in opening, the top of cross-shaped support frame is fixedly connected with rotating seat, rotating seat and spherical rotary block rotate and cooperate, connecting rod is rotatably connected between base and buffer cylinder, and connecting rod is four annular distribution.

[0006] Further, the damping block fixed at the other end of the buffer rod is slidably connected in the buffer cylinder, the inside of the buffer cylinder is fixedly connected with the limiting rod, and the damping block is movably connected with the limiting rod, the other end of the limiting rod is fixedly connected with the second damping spring, and the second damping spring is fixedly connected with the damping block.

[0007] Further, the outer surface of the buffer cylinder is fixedly connected with the sliding rod, one end of the sliding rod is movably connected with the movable seat, the other end of the sliding rod is fixedly connected with the first damping spring, and the first damping spring is fixedly connected on the movable seat.

[0008] Further, the both ends of the connecting rod are rotatably connected with the lifting lug.

[0009] Further, the both ends of the connecting rod are rotatably connected with the lifting lug.

[0010] Further, mounting holes are arranged on the cross-shaped support frame.

[0011] Further, the buffer cylinder is fixedly connected to the bottom of the unmanned aerial vehicle body through bolts.

[0012] The device has the advantages that when the unmanned aerial vehicle body carrying goods falls to the ground, the bottom of the unmanned aerial vehicle body first contacts the ground through the base connected by the buffer cylinder, the base is impacted by the ground to generate a reaction force, the reaction force impacts the connecting buffer rod through the rotating seat, the buffer rod can drive the damping block to move in the buffer cylinder and extrude the second damping spring connected to the limiting rod, the second damping spring can have a damping effect, so that the impact force on the unmanned aerial vehicle body can be reduced, and the goods carried by the unmanned aerial vehicle body can be protected, meanwhile, the base is rotatably connected between the rotating seat and the buffer rod, and the base is connected to the movable seat through the connecting rod, the movable seat can be damped by the first damping spring, the base can also have a damping effect under the oblique impact force, and the device has better protection effect. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed in the specific implementation manner. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0014] Figure 1 The structure diagram of the damping device is shown in the utility model.

[0015] Figure 2 The utility model Figure 1 The enlarged view of A in the utility model.

[0016] Figure 3 The connecting diagram of the buffer cylinder and the rotating seat in the utility model.

[0017] Figure 4 The structure diagram of the base in the utility model.

[0018] The signs are as follows:

[0019] 1, unmanned aerial vehicle body;

[0020] 2, buffer cylinder; 21, sliding rod; 211, movable seat; 212, first damping spring; 22, buffer rod; 221, damping block; 222, spherical rotary block; 23, second damping spring;

[0021] 3, base; 31, opening; 32, cross-shaped support frame;

[0022] 4, connecting rod; 41, lifting lug;

[0023] 5, rotating seat. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] As shown in the drawings, the present application has the following specific embodiments. Figures 1-4

[0026] Embodiment:

[0027] A damping device, including unmanned aerial vehicle body 1, the center position of unmanned aerial vehicle body 1 bottom fixedly connected with buffer cylinder 2, one end of buffer cylinder 2 movably connected with buffer rod 22, one end of buffer rod 22 fixedly connected with spherical rotating block 222, further including base 3, the bottom of base 3 is provided with opening 31, opening 31 is fixedly connected with cross-shaped support frame 32, the top of cross-shaped support frame 32 is fixedly connected with rotating seat 5, rotating seat 5 and spherical rotating block 222 rotate together, base 3 and buffer cylinder 2 are rotatably connected with connecting rod 4, and connecting rod 4 is annularly distributed four.

[0028] By adopting the above technical scheme, when the unmanned aerial vehicle body 1 loads goods to land, first, the bottom of the unmanned aerial vehicle body 1 is connected with the base 3 through the buffer cylinder 2, and the base 3 first contacts the ground at this time, at this time, the base 3 is impacted by the ground and generates a reaction force, the reaction force impacts the connected buffer rod 22 through the rotating seat 5, the buffer rod 22 can push the damping block 221 to move in the buffer cylinder 2, and the second damping spring 231 connected on the limiting rod 23 is extruded, the second damping spring 231 can have a damping effect, so as to reduce the impact force received by the unmanned aerial vehicle body 1, and further can protect the goods loaded by the unmanned aerial vehicle body 1, at the same time, the base 3 is rotatably connected with the buffer rod 22 through the rotating seat 5, at the same time, the base 3 is connected to the movable seat 211 through the connecting rod 4, the movable seat 211 can be damped and buffered by the first damping spring 212, so that the base 3 can also have a buffering and shock resistance effect under the oblique impact force, and further the device can have better protection effect.

[0029] ​Specific, the other end of the buffer rod 22 fixed damping block 221 slidingly connected in the buffer cylinder 2, the buffer cylinder 2 is fixedly connected with the limiting rod 23, and the damping block 221 and the limiting rod 23 are movably connected, the other end of the limiting rod 23 is fixedly connected with the second damping spring 231, and the second damping spring 231 is fixedly connected with the damping block 221.

[0030] The outer surface of the buffer cylinder 2 is fixedly connected with the sliding rod 21, one end of the sliding rod 21 is movably connected with the movable seat 211, the other end of the sliding rod 21 is fixedly connected with the first damping spring 212, and the first damping spring 212 is fixedly connected with the movable seat 211.

[0031] By adopting the above technical scheme, the damping block 221 connected with one end of the buffer rod 22 can move in the buffer cylinder 2, and one end of the limiting rod 23 can limit the movement of the damping block 221. The movable damping block 221 can extrude the second damping spring 231, and the second damping spring 231 can damp the damping block 221, so that the unmanned aerial vehicle body 1 has the effect of buffering when landing, avoiding damage caused by impact when landing.

[0032] Specifically, the connecting rod 4 is rotatably connected with the lifting lug 41 at both ends;

[0033] The two lifting lugs 41 are rotatably connected with the movable seat 211 and the base 3 respectively.

[0034] By adopting the above technical scheme, the connecting rod 4 can be rotatably connected between the movable seat 211 and the base 3 through the lifting lug 41, so as to facilitate the rotation cooperation between the movable seat 211 and the base 3.

[0035] Specifically, the cross-shaped support frame 32 is provided with a mounting hole.

[0036] By adopting the above technical scheme, the mounting hole provided on the cross-shaped support frame 32 can facilitate the positioning and fixing of the rotating seat 5, so as to facilitate the disassembly and assembly between the base 3 and the buffer cylinder 2, and facilitate maintenance.

[0037] Specifically, the buffer cylinder 2 is fixedly connected with the unmanned aerial vehicle body 1 through the bolts.

[0038] By adopting the above technical scheme, the bolts can facilitate the disassembly and assembly between the unmanned aerial vehicle body 1 and the buffer cylinder 2, so as to facilitate the disassembly and recycling of the buffer cylinder 2.

[0039] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A shock absorbing device comprising a drone body (1), characterized in that: The bottom of the unmanned aerial vehicle body (1) is fixedly connected with a buffer cylinder (2) at the center position, one end of the buffer cylinder (2) is movably connected with a buffer rod (22), one end of the buffer rod (22) is fixedly connected with a spherical rotary block (222), further comprising a base (3), the bottom of the base (3) is provided with an opening (31), the opening (31) is fixedly connected with a cross-shaped support frame (32), the top of the cross-shaped support frame (32) is fixedly connected with a rotating seat (5), the rotating seat (5) is rotatably connected with the spherical rotary block (222), the base (3) and the buffer cylinder (2) are rotatably connected with a connecting rod (4), and the connecting rod (4) is annularly distributed in four parts.

2. A shock absorbing device according to claim 1, characterized in that: The other end of the buffer rod (22) is fixedly connected with a damping block (221) which is slidably connected in the buffer cylinder (2), the inside of the buffer cylinder (2) is fixedly connected with a limiting rod (23), and the damping block (221) is movably connected with the limiting rod (23), the other end of the limiting rod (23) is fixedly connected with a second damping spring (231), and the second damping spring (231) is fixedly connected with the damping block (221).

3. A shock absorbing device according to claim 1, wherein: The outer surface of the buffer cylinder (2) is fixedly connected with a sliding rod (21), one end of the sliding rod (21) is movably connected with a movable seat (211), the other end of the sliding rod (21) is fixedly connected with a first damping spring (212), and the first damping spring (212) is fixedly connected on the movable seat (211).

4. A shock absorbing device according to claim 1, wherein: Both ends of the connecting rod (4) are rotatably connected with lifting lugs (41).

5. A shock absorbing device according to claim 4, wherein: Two lifting lugs (41) are rotatably connected on the movable seat (211) and the base (3) respectively.

6. A shock absorbing device according to claim 1, wherein: The cross-shaped support frame (32) is provided with mounting holes.

7. A shock absorbing device according to claim 1, wherein: The buffer cylinder (2) is fixedly connected on the bottom of the unmanned aerial vehicle body (1) by bolts.