Damping device for unmanned aerial vehicle

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle damping device which comprises an unmanned aerial vehicle body, the lower surface of the unmanned aerial vehicle is fixedly connected with a connecting rod, one side of the connecting rod is fixedly connected with a pressing rod, the pressing rod is sleeved with a mounting base, the lower surface of the mounting base is fixedly connected with an upper supporting plate, and the lower surface of the upper supporting plate is fixedly provided with a damping spring. A connecting column is fixedly connected to the upper surface of the rubber pad, a shell is arranged on one side of the connecting column, a push rod is arranged in the shell, and a damping pad is fixedly connected to one end of the push rod; the unmanned aerial vehicle has the beneficial effects that downward pressure on an upper supporting plate is generated through downward pressure on a pressing rod when the unmanned aerial vehicle descends, so that a damping spring buffers and dampens the downward pressure, when the unmanned aerial vehicle descends rapidly, the upper supporting plate presses a jacking column downwards, a clamping block slides in a sliding groove, a push rod extends outwards, a damping pad makes contact with the ground, and the unmanned aerial vehicle descends rapidly. And the unmanned aerial vehicle is buffered and damped under the combined action of a rubber pad and a damping pad, so that damage is avoided.

Description

Technical Field

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

[0002] With the development of society and the advancement of science and technology, drone technology has become more and more mature. Unmanned aircraft, referred to as "drones", are unmanned aircraft that are controlled by radio remote control equipment and self-contained program control devices. Drones have a wide range of uses, low costs, and high efficiency; there is no risk of casualties, good maneuverability, and easy use. They play an extremely important role in modern daily life and have broader prospects in the civilian field.

[0003] In the prior art, a UAV needs to be damped by a shock absorbing device during landing. The structure of a general UAV shock absorbing device is single, and the same shock absorbing method is used regardless of whether the device is descending at a constant speed or at a rapid speed.

[0004] However, during the rapid descent of the drone, its own gravity and inertia will generate a large impact force, and a single shock-absorbing device cannot achieve a better shock-absorbing effect. This makes it easy for the drone to be damaged by vibration during the landing process. Therefore, the utility model proposes a drone shock-absorbing device to solve the above problem. Utility Model Content

[0005] The utility model aims to provide a shock absorbing device for an unmanned aerial vehicle, so as to solve the problem of poor shock absorbing effect of the unmanned aerial vehicle during rapid descent proposed in the above-mentioned background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a shock absorbing device for an unmanned aerial vehicle, comprising:

[0007] The drone body has a connecting rod at the bottom, a pressure rod is fixedly connected to one side of the outer ring surface of the connecting rod, a sleeve is sleeved on the pressure rod, one end of the sleeve is fixedly connected to a mounting seat, and an upper support plate is arranged on the lower surface of the mounting seat.

[0008] A disc is fixedly connected to the lower surface of the support plate, a column is fixedly connected to the lower surface of the disc, a first pressing plate is arranged on the outer ring surface of the disc, a shock-absorbing spring is fixedly connected to the lower surface of the first pressing plate, a second pressing plate is fixedly connected to the lower surface of the shock-absorbing spring, and a retaining ring is arranged on the lower surface of the second pressing plate.

[0009] A connecting column is provided on one side of the clamping ring, one end of the connecting column is fixedly connected to a fixing block, an outer shell is sleeved in the fixing block, a push rod is sleeved in the outer shell, one end of the push rod is fixedly connected to the fixing column, a sleeve shell is sleeved on the outer ring surface of the fixing column, a slide groove is opened on the sleeve shell, and a clamping groove is opened at one end of the slide groove.

[0010] Preferably, two groups of connecting rods are provided and are arranged symmetrically with respect to the center plane of the UAV, and both ends of the pressure rods are fixedly connected to the outer ring surfaces of the connecting rods.

[0011] Preferably, two groups of sleeves are provided and are arranged symmetrically with respect to the center plane of the UAV, and the pressure rod is fixedly connected to the sleeves.

[0012] Preferably, a support column is provided on the lower side of the disc, a columnar hole is provided on the upper surface of the support column, one end of the column is sleeved in the columnar hole, and the column is slidably installed between the column and the columnar hole.

[0013] Preferably, a limit column is sleeved on the upper end of the column, a clamping ring is sleeved on the lower end of the column, four groups of shock-absorbing springs are provided and arranged symmetrically about the center plane of the drone, and a rubber pad is fixedly connected to the lower surface of the support column.

[0014] Preferably, one end of the connecting column is fixedly connected to the rubber pad, the other end of the connecting column is fixedly connected to the side of the fixed block, the upper surface of the outer shell is fixedly connected to the sleeve shell, a buffer spring is installed on the outer ring surface of the push rod, and a shock-absorbing pad is installed on the lower surface of the push rod.

[0015] Preferably, one end of the fixed column is fixedly connected to the rotating column, a clamping block is fixedly installed on the outer ring surface of the fixed column, a sliding shell is fixedly connected to the lower side of the rotating column, and the sliding shell is slidably installed between the sliding shell and the outer shell.

[0016] Preferably, a groove is provided on the upper surface of the rotating column, a slewing ring bearing is installed in the groove, a top column is sleeved inside the slewing ring bearing, and the upper surface of the top column is fixedly connected to the upper support plate.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model supports the entire drone by the connecting rod when the drone is being operated to descend, preventing the drone from tipping over under the elastic force of the shock-absorbing spring. The drone's own gravity generates pressure on the pressure rod during the descent process, and the pressure rod acts downward, causing the mounting seat to generate downward pressure on the upper support plate. The upper support plate drives the vertical column fixedly connected to the disc on the lower surface to slide in the columnar hole, and at the same time drives the first pressure plate to press the buffer spring downward. The buffer spring generates an upward elastic force under the action of the second pressure plate, thereby performing preliminary buffering and shock reduction on the entire drone. The rubber pad fixedly connected to the lower surface of the support column can, on the one hand, provide buffering and shock reduction for the drone when it contacts the ground, and also improves the stability of the drone during the descent process. When the drone is rapidly descending, due to the drone's own gravity and inertia, a large impact force will be generated. At this time, the upper support plate will generate a large downward pressure, which will generate a When the cam is in a downward motion, the stopper slides in the groove under the constraint of the slide groove, and the rotating column rotates at this time, driving the outer ring surface of the shell to slide, thereby causing the push rod to move downward. When the push rod moves downward, the buffer spring can offset part of the downward impact force, and at the same time, the push rod extends downward to make the shock-absorbing pad contact the ground. At this time, the block is just stuck in the slot, so that the rubber pad and the shock-absorbing pad work together to buffer and reduce the shock of the rapidly descending drone, avoid damage to the equipment carried on the drone, prevent the drone from tipping over, reduce damage to the drone during rapid landing, and reduce damage to drone 1 during rapid landing. After drone 1 is stable, press the drone lightly downward to make the push rod rebound, which is convenient for next use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a top view of part of the structure of the utility model;

[0021] Figure 3 For this utility model Figure 2 A magnified view of the structure at center;

[0022] Figure 4 It is a partial structural side view of the utility model;

[0023] Figure 5 For this utility model Figure 4 A magnified view of the structure at B in the middle;

[0024] Figure 6 For this utility model Figure 4 Enlarged view of the structure at point C in the middle.

[0025] In the figure: 1. UAV; 2. connecting rod; 3. pressure rod; 4. sleeve; 5. mounting seat; 6. upper support plate; 7. disc; 8. column; 9. first pressure plate; 10. shock-absorbing spring; 11. second pressure plate; 12. retaining ring; 13. connecting column; 14. fixing block; 15. outer shell; 16. push rod; 17. fixing column; 18. sleeve; 19. slide groove; 20. retaining groove; 21. supporting column; 22. columnar hole; 23. limiting column; 24. rubber pad; 25. buffer spring; 26. shock-absorbing pad; 27. rotating column; 28. retaining block; 29. ​​sliding shell; 30. groove; 31. slewing ring bearing; 32. top column. DETAILED DESCRIPTION

[0026] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0030] See also Figures 1 to 6 The utility model provides a technical solution: a shock absorbing device for an unmanned aerial vehicle, comprising:

[0031] The drone 1 has a main body, and a connecting rod 2 is provided at the bottom of the drone 1. A pressure rod 3 is fixedly connected to one side of the outer ring surface of the connecting rod 2. A sleeve 4 is sleeved on the pressure rod 3. A mounting seat 5 is fixedly connected to one end of the sleeve 4. An upper support plate 6 is provided on the lower surface of the mounting seat 5. Two groups of connecting rods 2 are provided and are symmetrically arranged in pairs about the central plane of the drone 1. Both ends of the pressure rod 3 are fixedly connected to the outer ring surface of the connecting rod 2. Two groups of sleeves 4 are provided and are symmetrically arranged in pairs about the central plane of the drone 1. The pressure rod 3 is fixedly connected to the sleeve 4.

[0032] A disc 7 is fixedly connected to the lower surface of the support plate 6, and a column 8 is fixedly connected to the lower surface of the disc 7. A first pressing plate 9 is arranged on the outer ring surface of the disc 7, and a shock-absorbing spring 10 is fixedly connected to the lower surface of the first pressing plate 9. A second pressing plate 11 is fixedly connected to the lower surface of the shock-absorbing spring 10, and a clamping ring 12 is arranged on the lower surface of the second pressing plate 11. A support column 21 is arranged on the lower side of the disc 7, and a cylindrical hole 22 is opened on the upper surface of the support column 21. One end of the column 8 is sleeved in the cylindrical hole 22, and the column 8 is slidably installed between the cylindrical hole 22. A limiting column 23 is sleeved on the upper end of the column 8, and a clamping ring 12 is sleeved on the lower end of the column 8. Four groups of shock-absorbing springs 10 are arranged symmetrically about the central plane of the drone 1, and a rubber pad 24 is fixedly connected to the lower surface of the support column 21.

[0033] A connecting column 13 is provided on one side of the snap ring 12, one end of the connecting column 13 is fixedly connected to a fixing block 14, a housing 15 is sleeved in the fixing block 14, a push rod 16 is sleeved in the housing 15, one end of the push rod 16 is fixedly connected to a fixing column 17, a sleeve 18 is sleeved on the outer ring surface of the fixing column 17, a slide groove 19 is provided on the sleeve 18, a card slot 20 is provided at one end of the slide groove 19, one end of the connecting column 13 is fixedly connected to a rubber pad 24, the other end of the connecting column 13 is fixedly connected to the side of the fixing block 14, the upper surface of the housing 15 is connected to the sleeve 18 Fixedly connected, a buffer spring 25 is installed on the outer ring surface of the push rod 16, a shock-absorbing pad 26 is installed on the lower surface of the push rod 16, one end of the fixed column 17 is fixedly connected to the rotating column 27, a block 28 is fixedly installed on the outer ring surface of the fixed column 17, a sliding shell 29 is fixedly connected to the lower side of the rotating column 27, the sliding shell 29 is slidably installed between the outer shell 15, a groove 30 is opened on the upper surface of the rotating column 27, a slewing ring bearing 31 is installed in the groove 30, a top column 32 is sleeved in the slewing ring bearing 31, and the upper surface of the top column 32 is fixedly connected to the upper support plate 6.

[0034] In actual use, when the drone 1 is operated to descend, the connecting rod 2 supports the entire drone 1 to prevent the drone 1 from tipping over under the elastic force of the shock-absorbing spring 10. The drone 1 generates pressure on the pressure rod 3 through its own gravity during the descent process. The pressure rod 3 acts downward, causing the mounting seat 5 to generate downward pressure on the upper support plate 6. The upper support plate 6 slides in the columnar hole 22 through the column 8 fixedly connected to the disc 7 on the lower surface, and at the same time drives the first pressing plate 9 to press the buffer spring 25 downward. The buffer spring 25 generates an upward elastic force under the action of the second pressing plate 11, thereby performing preliminary buffering and shock reduction on the entire drone 1. The rubber pad 24 fixedly connected to the lower surface of the support column 21 can, on the one hand, buffer and shock-reduce the drone 1 when it contacts the ground, and also improve the stability of the drone 1 during the descent process. When the drone 1 is rapidly descending, due to the gravity and inertia of the drone 1 itself, a large impact force will be generated. At this time, the upper support plate 6 will generate a large downward pressure, which will generate an impact on the top column 32. The top column 32 is installed at one end of the slewing ring bearing 31. The top column 32 and the slewing ring bearing 31 are installed in a manner that the inner ring is fixed and the outer ring rotates. The outer ring surface of the slewing ring bearing 31 is fixedly connected to the inner wall of the groove 30 provided on the upper surface of the fixed column 17. When the top column 32 acts downward, the block 28 slides in the slide groove 19 under the constraint of the slide groove 19. At this time, the rotating column 27 rotates, driving 29 to slide on the outer ring surface of the housing 15, thereby causing the push rod 16 to move downward. The push rod 16 slowly moves downward. The impact spring 25 can offset part of the downward impact force, and at the same time, the push rod 16 extends downward to make the shock-absorbing pad 26 contact the ground. At this time, the card block 28 is just stuck in the card slot 20, so that the rubber pad 24 and the shock-absorbing pad 26 work together to buffer and reduce the shock of the rapidly descending drone 1, avoid damage to the equipment carried by the drone 1, prevent the drone 1 from tipping over, and reduce damage to the drone 1 during rapid landing. After the drone 1 is stable, lightly press the drone 1 downward to make the push rod 16 rebound, which is convenient for next use.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shock absorbing device for an unmanned aerial vehicle, characterized in that: include: A drone (1) body, wherein a connecting rod (2) is arranged at the bottom of the drone (1), a pressure rod (3) is fixedly connected to one side of the outer ring surface of the connecting rod (2), a sleeve (4) is sleeved on the pressure rod (3), one end of the sleeve (4) is fixedly connected to a mounting seat (5), and an upper support plate (6) is arranged on the lower surface of the mounting seat (5); A disc (7) is fixedly connected to the lower surface of the support plate (6), a column (8) is fixedly connected to the lower surface of the disc (7), a first pressing plate (9) is arranged on the outer ring surface of the disc (7), a shock absorbing spring (10) is fixedly connected to the lower surface of the first pressing plate (9), a second pressing plate (11) is fixedly connected to the lower surface of the shock absorbing spring (10), and a clamping ring (12) is arranged on the lower surface of the second pressing plate (11); A connecting column (13) is provided on one side of the clamping ring (12), one end of the connecting column (13) is fixedly connected to a fixing block (14), a housing (15) is sleeved inside the fixing block (14), a push rod (16) is sleeved inside the housing (15), one end of the push rod (16) is fixedly connected to a fixing column (17), an outer ring surface of the fixing column (17) is sleeved with a sleeve (18), a slide groove (19) is provided on the sleeve (18), and a clamping groove (20) is provided at one end of the slide groove (19).

2. The shock absorbing device for an unmanned aerial vehicle according to claim 1, characterized in that: The connecting rods (2) are provided in two groups and are arranged symmetrically with respect to the central plane of the drone (1). Both ends of the pressure rod (3) are fixedly connected to the outer ring surface of the connecting rod (2).

3. The shock absorbing device for an unmanned aerial vehicle according to claim 2, characterized in that: The sleeves (4) are provided in two groups and are arranged symmetrically in pairs about the central plane of the drone (1); the pressure rod (3) is fixedly connected to the sleeves (4).

4. The shock absorbing device for an unmanned aerial vehicle according to claim 3, characterized in that: A support column (21) is arranged at the lower side of the disc (7), a columnar hole (22) is opened on the upper surface of the support column (21), one end of the column (8) is sleeved in the columnar hole (22), and the column (8) and the columnar hole (22) are slidably installed.

5. The shock absorbing device for an unmanned aerial vehicle according to claim 4, characterized in that: The upper end of the column (8) is sleeved with a limit column (23), the lower end of the column (8) is sleeved with a clamping ring (12), four groups of shock-absorbing springs (10) are provided and are symmetrically arranged about the center plane of the drone (1), and a rubber pad (24) is fixedly connected to the lower surface of the support column (21).

6. The shock absorbing device for an unmanned aerial vehicle according to claim 5, characterized in that: One end of the connecting column (13) is fixedly connected to the rubber pad (24), and the other end of the connecting column (13) is fixedly connected to the side of the fixed block (14). The upper surface of the outer shell (15) is fixedly connected to the sleeve shell (18). A buffer spring (25) is installed on the outer ring surface of the push rod (16), and a shock-absorbing pad (26) is installed on the lower surface of the push rod (16).

7. The shock absorbing device for an unmanned aerial vehicle according to claim 6, characterized in that: One end of the fixed column (17) is fixedly connected to the rotating column (27), a clamping block (28) is fixedly installed on the outer ring surface of the fixed column (17), and a sliding shell (29) is fixedly connected to the lower side of the rotating column (27), and the sliding shell (29) is slidably installed with the outer shell (15).

8. The shock absorbing device for an unmanned aerial vehicle according to claim 7, characterized in that: The upper surface of the rotating column (27) is provided with a groove (30), a slewing ring bearing (31) is installed in the groove (30), a top column (32) is sleeved in the slewing ring bearing (31), and the upper surface of the top column (32) is fixedly connected to the upper support plate (6).

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