Unmanned aerial vehicle landing gear with buffering performance

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle landing gear with buffering performance, which comprises a bearing mechanism, and the bearing mechanism comprises a base, a bearing sleeve and a spring; wherein a supporting part is formed on the base, an opening is formed in the bottom of the bearing sleeve, and the bearing sleeve movably sleeves the supporting part through the opening; a bearing platform surface is formed at the top of the bearing sleeve; the two ends of the spring abut against the position between the supporting part and the bearing sleeve in the height direction of the supporting part. A guide part is formed on the side portion of the supporting part, a first guide opening extending in the height direction of the bearing sleeve is formed in the side portion of the bearing sleeve, and the guide part can move along the first guide opening. In combination with the structure, in the descending process of the unmanned aerial vehicle, the body of the unmanned aerial vehicle firstly makes contact with the bearing platform face, the springs are compressed along with descending of the unmanned aerial vehicle, the springs play a buffering role, and the service life of the unmanned aerial vehicle is effectively prolonged.

Description

Technical Field

[0001] The present application relates to the technical field of unmanned aerial vehicles, and in particular to a landing device for unmanned aerial vehicles with buffering performance. Background Art

[0002] Unmanned aerial vehicles (UAVs) are unmanned aircraft that are controlled by radio remote control equipment and self-contained program control devices, or are fully or intermittently autonomously operated by onboard computers. However, during the takeoff and landing of UAVs, the landing gear is a rigid structure. The UAVs land hard on the landing gear below, lacking a buffer structure, which can easily cause damage to the UAVs and have poor reliability. Utility Model Content

[0003] The purpose of the present application is to provide a UAV landing device with buffering performance, which to a certain extent solves the technical problems existing in the prior art that during the take-off and landing of the UAV, the landing gear is a rigid structure, the UAV makes a hard landing through the landing gear below, lacks a buffer structure, is easily damaged by the UAV, and has poor reliability.

[0004] The present application provides a UAV landing device with a buffering performance, which is applied to a UAV, and the UAV landing device with a buffering performance includes a receiving mechanism, and the receiving mechanism includes a base, a receiving sleeve and a spring; wherein the base is formed with a supporting portion, the bottom of the receiving sleeve is formed with an opening, and the receiving sleeve is movably sleeved on the supporting portion through the opening; the top of the receiving sleeve is formed with a receiving platform surface;

[0005] Along the height direction of the support part, the two ends of the spring respectively abut between the support part and the receiving sleeve; a guide part is formed on the side of the support part, and a first guide opening extending along its height direction is formed on the side of the receiving sleeve, and the guide part can move along the first guide opening.

[0006] In the above technical solution, further, the number of the support parts is two and they are arranged at intervals, and any of the support parts is equipped with the receiving sleeve and the spring.

[0007] In any of the above technical solutions, further, the UAV landing device with buffering performance also includes a guide connecting member, and the two ends of the guide connecting member are respectively connected to the two supporting parts.

[0008] In any of the above technical solutions, further, a second guide opening is formed on the adjacent side of the two receiving sleeves, and the guide connector is inserted into the two second guide openings, and the second guide opening can move relative to the guide connector.

[0009] In any of the above technical solutions, further, the UAV landing device with buffering performance also includes a first limit assembly and a second limit assembly; wherein, the UAV includes a main body and a fan blade assembly arranged at four top corners of the main body, and the first limit assembly is arranged below any of the fan blade assemblies; the number of the second limit assemblies is four, and they surround the outer circumference of the base and are evenly distributed obliquely above the base; the four second limit assemblies can be detachably connected to the four first limit assemblies corresponding to each other.

[0010] In any of the above technical solutions, further, the first limit assembly includes a limit seat, a limit spring and a limit head; wherein the limit seat is provided with a limit slot, and the limit slot runs through the bottom and side wall of the limit seat; the side wall of the limit slot is provided with a mounting slot and a through hole, and the mounting slot is connected to the limit slot via the through hole;

[0011] The limit spring is installed in the installation groove, and two ends of the limit spring are respectively connected to the side wall of the installation groove and the limit head, and the limit head can move between the installation groove and the limit groove along the through hole.

[0012] In any of the above technical solutions, further, the second limiting assembly includes a fixing frame, a limiting hole is formed at the end of the fixing frame, and when the end of the fixing frame is installed in the limiting groove, the limiting head can be inserted into the limiting hole.

[0013] In any of the above technical solutions, further, the second limiting component also includes a protective net, and the protective net is located on a side of the fixing frame away from the drone.

[0014] In any of the above technical solutions, further, the limiting groove is a fan-shaped groove, the fixing frame is a fan-shaped frame with a hollow interior, and the top corner end of the fixing frame is adapted to the installation groove.

[0015] In any of the above technical solutions, further, the number of the receiving mechanisms is two, and they are arranged at intervals along a preset direction.

[0016] Compared with the prior art, the beneficial effects of this application are:

[0017] The UAV landing device with buffering performance provided in the present application has the following characteristics: during the descent of the UAV, the main body of the UAV first contacts the receiving platform surface, and as it descends, the spring is compressed, which plays a buffering role, effectively increasing the service life of the UAV. The guide part also plays a guiding role in the descent of the receiving sleeve, avoiding tilting and displacement of the receiving sleeve, which is safer and more reliable.

[0018] In addition, a limiting structure is also provided. When the main body of the drone falls, the limiting seat also descends synchronously until the fixing frame falls into the limiting groove of the limiting seat, squeezing the limiting head and then the limiting spring. Under the rebound action of the limiting spring, the limiting head can be docked with the limiting hole on the fixing frame, thereby connecting the fixing frame and the limiting seat, thereby limiting the drone and completing the landing operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 An assembly diagram of a drone landing device with a buffering performance and an unmanned landing device provided in an embodiment of the present application;

[0021] Figure 2 Another assembly diagram of the drone landing gear with buffering performance and the drone landing gear provided in the embodiment of the present application;

[0022] Figure 3 A schematic diagram of a landing device and a partial structure of a drone with a buffering performance provided in an embodiment of the present application;

[0023] Figure 4 A schematic diagram of the second limit assembly provided in an embodiment of the present application docking with the first limit assembly on the drone;

[0024] Figure 5 A schematic structural diagram of the first limiting component provided in an embodiment of the present application.

[0025] Reference numerals:

[0026] 1-supporting mechanism, 11-base, 111-supporting part, 112-guide part, 12-supporting sleeve, 121-first guide port, 122-second guide port, 13-spring, 2-guide connecting piece, 3-first limiting assembly, 31-limiting seat, 311-limiting groove, 312-installing groove, 32-limiting spring, 33-limiting head, 4-second limiting assembly, 41-fixing frame, 411-limiting hole, 42-protective net, 5-UAV, 51-main body, 52-blade assembly. DETAILED DESCRIPTION

[0027] The technical solution of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0028] The components of the embodiments of the present application generally described and shown in the accompanying drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the application claimed, but merely represents the selected embodiments of the present application.

[0029] Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of this application.

[0030] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0031] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 this application can be understood according to specific circumstances.

[0032] Refer to the following Figures 1 to 5 The invention describes a drone landing device with cushioning performance according to some embodiments of the present application.

[0033] See also Figures 1 to 3 As shown, the embodiment of the present application provides a landing device of a drone 5 with a buffering performance, which is applied to a drone 5. The landing device of a drone 5 with a buffering performance includes a receiving mechanism 1, and the receiving mechanism 1 includes a base 11, a receiving sleeve 12 and a spring 13; wherein the base 11 is formed with a supporting portion 111, the bottom of the receiving sleeve 12 is formed with an opening, and the receiving sleeve 12 is movably sleeved on the supporting portion 111 through the opening; the top of the receiving sleeve 12 is formed with a receiving platform surface;

[0034] Along the height direction of the support portion 111, the two ends of the spring 13 respectively abut between the support portion 111 and the receiving sleeve 12; a guide portion 112 is formed on the side of the support portion 111, and a first guide opening 121 extending along its height direction is formed on the side of the receiving sleeve 12, and the guide portion 112 can move along the first guide opening 121.

[0035] In this embodiment, during the descent of the drone 5, the body 51 of the drone 5 first contacts the receiving platform surface, and as it descends, the spring 13 is compressed, and the spring 13 acts as a buffer, effectively increasing the service life of the drone 5. The guide portion 112 plays a guiding role in the descent of the receiving sleeve 12, avoiding the receiving sleeve 12 from tilting or shifting, etc., which is safer and more reliable.

[0036] In one embodiment of the present application, preferably, Figure 3 As shown, there are two support portions 111 which are spaced apart along the first direction, and each support portion 111 is equipped with a receiving sleeve 12 and a spring 13 .

[0037] In this embodiment, each base 11 is provided with two supporting parts 111 , so as to play a role in stably supporting the body 51 of the drone 5 .

[0038] Further, preferably, Figure 1 and Figure 2 As shown, there are two receiving mechanisms 1, which are arranged at intervals along a preset direction, and preferably, the preset direction is arranged perpendicular to the first direction. It can be seen that there are four receiving parts in total, and they are arranged in a square shape, which can more stably support the body 51 of the drone 5. Of course, it is not limited to this, the number of receiving mechanisms 1 can also be one, and for one receiving mechanism 1, the number of supporting parts 111 can also be one, so it can be designed as a block structure that is compatible with the main body of the drone 5, which can stably support the body 51 of the drone 5.

[0039] In one embodiment of the present application, preferably, Figure 3 As shown, the landing device of the UAV 5 with buffering performance further includes a guide connecting member 2, and both ends of the guide connecting member 2 are respectively connected to the two supporting parts 111.

[0040] Further, preferably, Figure 3 As shown, the adjacent sides of the two receiving sleeves 12 are each formed with a second guide opening 122 , and the guide connector 2 is inserted into the two second guide openings 122 , and the second guide opening 122 can move relative to the guide connector 2 .

[0041] In this embodiment, the two support parts 111 are connected together by using the same guide connector 2, and the guide connector 2 is used to assist in guiding, thereby reducing the number of parts and the space occupied.

[0042] In one embodiment of the present application, preferably, Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, the landing device of the drone 5 with buffering performance also includes a first limit assembly 3 and a second limit assembly 4; wherein, the drone 5 includes a main body 51 and a fan blade assembly 52 arranged at four top corners of the main body 51, and a first limit assembly 3 is arranged below any fan blade assembly 52; the number of the second limit assemblies 4 is four, and they surround the outer circumference of the base 11 and are evenly distributed obliquely above the base 11; the four second limit assemblies 4 can be detachably connected to the four first limit assemblies 3 corresponding to each other.

[0043] In this embodiment, when the main body 51 of the drone 5 contacts the receiving platform surface at the top of the receiving sleeve 12 and continues to fall to the preset position, the first limit assembly 3 and the second limit assembly 4 below the fan blade assembly 52 cooperate to limit the drone 5.

[0044] In one embodiment of the present application, preferably, Figure 5 As shown, the first limiting assembly 3 includes a limiting seat 31, a limiting spring 32 and a limiting head 33; wherein the limiting seat 31 is provided with a limiting groove 311, and the limiting groove 311 runs through the bottom and side wall of the limiting seat 31; the side wall of the limiting groove 311 is provided with a mounting groove 312 and a through hole, and the mounting groove 312 is connected to the limiting groove 311 via the through hole;

[0045] The limiting spring 32 is installed in the mounting groove 312 , and its two ends are respectively connected to the side wall of the mounting groove 312 and the limiting head 33 . The limiting head 33 can move between the mounting groove 312 and the limiting groove 311 along the through hole.

[0046] Further, preferably, Figure 4 and Figure 5 As shown, the second limiting assembly 4 includes a fixing frame 41 , and a limiting hole 411 is formed at the end of the fixing frame 41 . When the end of the fixing frame 41 is installed in the limiting groove 311 , the limiting head 33 can be inserted into the limiting hole 411 .

[0047] In this embodiment, as the body 51 of the drone 5 falls, the limit seat 31 also falls synchronously until the fixing frame 41 falls into the limit groove 311 of the limit seat 31, squeezing the limit head 33, and then squeezing the limit spring 32. Under the rebound action of the limit spring 32, the limit head 33 can be docked with the limit hole 411 on the fixing frame 41, thereby connecting the fixing frame 41 with the limit seat 31, thereby limiting the drone 5 and completing the landing operation.

[0048] Further, preferably, the end of the limiting head 33 close to the limiting hole 411 of the fixing frame 41 is in a ball head shape, and correspondingly, the limiting hole 411 is a circular hole to facilitate the cooperation between the two.

[0049] Further, preferably, the limiting seat 31 is disc-shaped, and preferably, the limiting groove 311 is a fan-shaped groove, the fixing frame 41 is a fan-shaped frame with a hollow interior, and the top corner end of the fixing frame 41 is adapted to the installation groove 312 to facilitate smooth docking.

[0050] Further, preferably, there are two limit springs 32 and two limit heads 33 , which correspond to each other one by one, and both are provided with limit holes 411 , so as to improve the limit effect on the drone 5 .

[0051] Further, preferably, the limit seat 31 and the fan blade assembly 52 can be connected by bolts, clamping or welding.

[0052] In one embodiment of the present application, preferably, Figure 4 As shown, the second limiting component 4 further includes a protective net 42 , and the protective net 42 is located on a side of the fixing frame 41 away from the UAV 5 .

[0053] In this embodiment, the protective net 42 can protect the fan blades, preventing the fan blades from colliding with the outside and causing damage to the fan blades, thereby improving safety and reliability.

[0054] In one embodiment of the present application, preferably, Figure 3 As shown, the support portion 111 is a quadrangular prism structure with a regular shape, which is convenient for assembly with other components.

[0055] In one embodiment of the present application, preferably, Figure 3 As shown, the spring 13 is respectively connected to the support portion 111 and the inner top wall of the receiving sleeve 12 to ensure the stability of the spring 13.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A UAV landing device with buffering performance, applied to a UAV, characterized in that: The UAV landing device with buffering performance comprises a receiving mechanism, and the receiving mechanism comprises a base, a receiving sleeve and a spring; wherein the base is formed with a supporting portion, the bottom of the receiving sleeve is formed with an opening, and the receiving sleeve is movably mounted on the supporting portion through the opening; the top of the receiving sleeve is formed with a receiving platform surface; Along the height direction of the support part, the two ends of the spring respectively abut between the support part and the receiving sleeve; a guide part is formed on the side of the support part, and a first guide opening extending along its height direction is formed on the side of the receiving sleeve, and the guide part can move along the first guide opening.

2. The UAV landing device with buffering performance according to claim 1, characterized in that: The number of the supporting parts is two and they are arranged at intervals, and any of the supporting parts is equipped with the receiving sleeve and the spring.

3. The UAV landing device with buffering performance according to claim 2, characterized in that: The UAV landing device with buffering performance also includes a guide connecting member, and two ends of the guide connecting member are respectively connected to the two supporting parts.

4. The UAV landing device with buffering performance according to claim 3, characterized in that: A second guide opening is formed on one side of the two receiving sleeves that are close to each other, and the guide connecting member is inserted into the two second guide openings, and the second guide opening can move relative to the guide connecting member.

5. The UAV landing device with buffering performance according to claim 1, characterized in that: The UAV landing device with buffering performance also includes a first limit assembly and a second limit assembly; wherein, the UAV includes a main body and fan blade assemblies arranged at four top corners of the main body, and the first limit assembly is arranged below any fan blade assembly; the number of the second limit assemblies is four, and they surround the outer circumference of the base and are evenly distributed obliquely above the base; the four second limit assemblies can be detachably connected to the four first limit assemblies corresponding to each other.

6. The UAV landing device with buffering performance according to claim 5, characterized in that: The first limit assembly includes a limit seat, a limit spring and a limit head; wherein the limit seat is provided with a limit slot, and the limit slot runs through the bottom and side wall of the limit seat; the side wall of the limit slot is provided with a mounting slot and a through hole, and the mounting slot is connected with the limit slot via the through hole; The limit spring is installed in the installation groove, and two ends of the limit spring are respectively connected to the side wall of the installation groove and the limit head, and the limit head can move between the installation groove and the limit groove along the through hole.

7. The UAV landing device with buffering performance according to claim 6, characterized in that: The second limiting assembly includes a fixing frame, an end portion of the fixing frame is formed with a limiting hole, and when the end portion of the fixing frame is installed in the limiting groove, the limiting head can be inserted into the limiting hole.

8. The UAV landing device with buffering performance according to claim 7, characterized in that: The second limiting component also includes a protective net, and the protective net is located on a side of the fixing frame away from the drone.

9. The UAV landing device with buffering performance according to claim 7, characterized in that: The limiting groove is a fan-shaped groove, the fixing frame is a fan-shaped frame with a hollow interior, and the top corner end of the fixing frame is matched with the installation groove.

10. The UAV landing device with buffering performance according to any one of claims 1 to 9, characterized in that: The number of the receiving mechanisms is two, and they are arranged at intervals along a preset direction.

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