Patent Publication Number: US-2022234717-A1

Title: Wing detachment assembly and aerial vehicle

Description:
CROSS REFERENCE 
     The present application is a continuation of International Application No. PCT/CN2020/123362, filed on Oct. 23, 2020, which claims priority to Chinese patent application No. 2019214746985, filed on Sep. 5, 2019, which is incorporated herein by reference in its entirety. 
    
    
     TECHNICAL FIELD 
     The utility model relates to the field of aerial vehicle technologies, and in particular, to a wing detachment assembly and an aerial vehicle. 
     BACKGROUND 
     An aerial vehicle may provide people with entertainment or may perform a task for people. For example, the aerial vehicle may be used as an important tool for high-altitude photography. Generally, the aerial vehicle includes a wing and a vehicle body. The aerial vehicle may occupy a relatively large space due to such a relatively long wing. Accordingly, an aerial vehicle having a detachable wing has emerged. However, an existing solution for detaching and mounting the wing of the aerial vehicle is relatively inconvenient and requires a dedicated detachment tool. 
     Therefore, how to provide a solution for conveniently detaching and mounting the wing of the aerial vehicle has become a technical requirement in the related art. 
     SUMMARY 
     The utility model is mainly intended to provide a wing detachment assembly and an aerial vehicle, to resolve an existing technical problem that a solution for detaching and mounting a wing of an aerial vehicle is relatively inconvenient. 
     According to a first aspect, the utility model provides a wing detachment assembly, configured to detachably connect a wing of an aerial vehicle to a vehicle body of the aerial vehicle. The wing detachment assembly includes a first connecting portion and a second connecting portion, one of the first connecting portion and the second connecting portion being fixed on the wing and the other being fixed on the vehicle body. 
     The second connecting portion includes a thumb wheel, the thumb wheel being provided with a threaded hole and being rotatably mounted on the vehicle body or the wing; 
     The first connecting portion is threadedly connected to a threaded hole of the thumb wheel, the first connecting portion and the thumb wheel being fastened or detached when the thumb wheel is rotated. 
     Preferably, the thumb wheel is disc-shaped, an edge of the thumb wheel is roughly configured and a center of the thumb wheel is provided with the threaded hole, the threaded hole being a through hole. 
     Preferably, the second connecting portion further includes a blocking member fixedly connected to one side of the thumb wheel. 
     Preferably, the blocking member is cylindrical and is provided with a center hole, the center hole being concentric to the threaded hole. 
     Preferably, a diameter of the center hole is greater than or equal to a diameter of the threaded hole, a thread being disposed on a hole wall of the center hole. 
     Preferably, the first connecting portion includes a threaded post, the threaded post being fixed on the wing or the vehicle body and being threadedly connected to the threaded hole. 
     Preferably, the first connecting portion further includes a connecting plate, the connecting plate being fixedly connected to the threaded post and being fixed on the vehicle body or the wing. 
     Preferably, the connecting plate is fixed on an inner wall of a housing of the vehicle body or the wing and the threaded post passes through the housing of the vehicle body or the wing to be threadedly connected to the thumb wheel. 
     Preferably, the threaded post includes a bolt and a fixing block, the bolt being fixedly connected to the fixing block, and the connecting plate is provided with a fixing hole, the fixing block being fixed in the fixing hole and the fixing hole limiting the fixing block in rotating. 
     According to a second aspect, the utility model further provides an aerial vehicle. The aerial vehicle includes a vehicle body, a wing and the foregoing wing detachment assembly. The wing is detachably connected to the vehicle body by using the wing detachment assembly and a part of the thumb wheel protrudes out of the vehicle body or the wing to which the thumb wheel is fixed. 
     Compared with existing technologies, in the utility model, the second connecting portion includes a thumb wheel, the thumb wheel being provided with a threaded hole and being rotatably mounted on the vehicle body or the wing. The first connecting portion is threadedly connected to a threaded hole of the thumb wheel, the first connecting portion and the thumb wheel being fastened or detached when the thumb wheel is rotated. In this way, the wing can be quickly mounted on the vehicle body and the wing can also be quickly detached from the vehicle body without using a dedicated detachment tool, which is easy to manually detach and mount. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  is a schematic three-dimensional structural diagram of a wing detachment assembly of the utility model. 
         FIG. 2  is a schematic three-dimensional structural diagram of matching a wing detachment assembly with a wing of the utility model. 
         FIG. 3  is a schematic structural diagram of a second connecting portion from a first perspective of the utility model. 
         FIG. 4  is a schematic structural diagram of a second connecting portion from a second perspective of the utility model. 
         FIG. 5  is a schematic diagram of another structure of a second connecting portion of the utility model. 
         FIG. 6  is a schematic exploded structural diagram of a first connecting portion of the utility model. 
         FIG. 7  is a schematic structural diagram of an aerial vehicle of the utility model. 
         FIG. 8  is an enlarged schematic structural diagram of A in  FIG. 7 . 
     
    
    
     DETAILED DESCRIPTION 
     To make the objectives, technical solutions and advantages of the utility model clearer and more comprehensible, the following further describes the utility model in detail with reference to the accompanying drawings and embodiments. It is to be understood that specific embodiments described herein are merely used to describe the utility model, but are not intended to limit the utility model. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the utility model without creative efforts shall fall within the protection scope of the utility model. 
     The terms such as “first”, “second”, “third” and “fourth” (if any) in this specification, claims and the accompanying drawings of the present application are used for distinguishing between similar objects and not necessarily used for describing any particular order or sequence. It is to be understood that the data used in such a way is interchangeable in proper cases, so that the embodiments described herein can be implemented in other orders other than the order illustrated or described herein. Moreover, the terms “include”, “contain” and any other variation thereof are intended to cover the non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to such steps or units, but may include other steps or units not expressly listed or inherent to such a process, method, product, or device. 
     In addition, technical solutions of various embodiments may be combined with each other, but need to be based on the technical solutions that can be implemented by a person of ordinary skill in the art. When a combination of the technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of the technical solutions does not exist and does not fall within the protection scope of the utility model. 
     Referring to  FIG. 1 , the utility model provides a wing detachment assembly  1  configured to detachably connect a wing of an aerial vehicle to a vehicle body of the aerial vehicle. The wing detachment assembly  1  includes a first connecting portion  10  and a second connecting portion  20 . The first connecting portion  10  and the second connecting portion  20  can be quickly detached and connected. Specifically, the first connecting portion  10  is threadedly connected to the second connecting portion  20 . One of the first connecting portion  10  and the second connecting portion  20  is fixed on the wing and the other is fixed on the vehicle body. In this embodiment, the description is made by using an example in which the first connecting portion  10  is fixed on the vehicle body and the second connecting portion  20  is fixed on the wing. 
     Referring to  FIG. 2 ,  FIG. 3  and  FIG. 4  together, the second connecting portion  20  includes a thumb wheel  21  and a blocking member  22 . The thumb wheel  21  is fixedly connected to the blocking member  22 . When the thumb wheel  21  is mounted on the wing, a part of the thumb wheel  21  protrudes out of an outer portion of the wing to which the thumb wheel  21  is fixed for a user to rotate the thumb wheel  21 . The blocking member  22  is configured to prevent the thumb wheel  21  from falling out of the wing. 
     A threaded hole  211  is provided on the thumb wheel  21  and is rotatably connected to the first connecting portion  10 . A thread is disposed on a hole wall of the threaded hole  211 . The thumb wheel  21  is rotatably mounted on the wing. The thumb wheel  21  is disc-shaped. An edge of the thumb wheel  21  is roughly configured and a center of the thumb wheel  21  is provided with the threaded hole  211 . The threaded hole  211  is a through hole. A manner for roughly configuring the edge of the thumb wheel  21  is not limited. For example, a pattern or a strip may be disposed on the edge of the thumb wheel  21 . Rough configuration of the edge of the thumb wheel  21  enables the user to easily rotate the thumb wheel  21 . A diameter of the thumb wheel  21  may be set according to requirements, which is preferably set in a range of 20 mm to 80 mm. The larger the diameter of the thumb wheel  21  is, the less the force is required to rotate the thumb wheel  21 . A thickness D of the thumb wheel  21  may be set according to requirements, which is preferably set in a range of 3 mm to 10 mm. The larger the thickness of the thumb wheel  21  is, the less the force is required to rotate the thumb wheel  21 . 
     Referring to  FIG. 3  and  FIG. 5  together, the blocking member  22  is fixedly connected to one side of the thumb wheel  21 . The structure of the blocking member  22  is not limited, which can prevent the thumb wheel  21  from falling out of the wing and does not affect rotation when the thumb wheel  21  is rotated. For example, the blocking member  22  is cylindrical. The blocking member  22  is provided with a center hole  221 . The center hole  221  may be concentric to the threaded hole  211 . A diameter of the center hole  221  may be greater than a diameter of the threaded hole  211 . The diameter of the center hole  221  may alternatively be equal to the diameter of the threaded hole  211 . A thread may be disposed on a hole wall of the center hole  221  when the diameter of the center hole  221  is equal to the diameter of the threaded hole  211  A hole is provided on the wing, and the blocking member  22  may be disposed in the hole. The blocking member  22  may alternatively be a cylinder. One cylinder is disposed on one side of the threaded hole  211  and an other cylinder may be disposed in the hole provided on the wing. It is to be understood that the blocking member  22  may be disposed on each side of the thumb wheel  21 . 
     Referring to  FIG. 6 , the first connecting portion  10  includes a connecting plate  11  and a threaded post  12 . The connecting plate  11  is fixedly connected to the threaded post  12 . The connecting plate  11  is configured to be fixed on the vehicle body. The threaded post  12  is configured to be threadedly connected to the thumb wheel  21  by using the threaded hole  211 . It is to be understood that the accompanying drawings merely show a schematic diagram of the first connecting portion  10  and does not limit a proportional relationship between the connecting plate  11  and the threaded post  12 . 
     A shape of the connecting plate  11  is not limited. For example, the connecting plate  11  is circular or quadrilateral. In this embodiment, the connecting plate  11  is fixed on an inner wall of a housing of the vehicle body. The threaded post  12  is rotatably connected to the thumb wheel  21  through the housing of the vehicle body. The connecting plate  11  is firmly fixed on the inner wall of the housing, which is not prone to falling. The connecting plate  11  may be adhered to the inner wall of the housing of the vehicle body. An area of the connecting plate  11  is set according to requirements. When the area of the connecting plate  11  is large, a pressure on the housing of the vehicle body is relatively small. Therefore, the housing of the vehicle body is not necessarily configured to be excessively thick. It is to be understood that, the connecting plate  11  may alternatively be fixed on an outer wall of the housing of the vehicle body or embedded in the housing of the vehicle body. 
     A manner for fixedly connecting the connecting plate  11  to the threaded post  12  is not limited. The threaded post  12  is fixed relative to the connecting plate  11  and cannot be rotated. For example, the connecting plate  11  and the threaded post  12  may be integrally formed, which are in an interference fit. In this embodiment, a fixing hole  111  is provided on the connecting plate. An end of the threaded post  12  is fixed in the fixing hole  111 . The fixing hole  111  is configured to limit rotation of the threaded post  12 . The fixing hole  111  is non-circular. In this embodiment, the fixing hole  111  is quadrilateral. A nearby region in which the fixing hole  111  is provided on the connecting plate  11  may be thickened according to requirements, to enhance a connection strength of the connecting plate  11 . 
     The threaded post  12  includes a bolt  121  and a fixing block  122 . An end of the bolt  121  is fixedly connected to the fixing block  122 . A thread is disposed on a surface of the bolt  121 . The bolt  121  is threadedly connected to the threaded hole  211  by using the thumb wheel  21 . The fixing block  122  is fixed in the fixing hole  111 . The fixing hole  111  limits rotation of the fixing block  122 . It is to be understood that configuration of the connecting plate  11  may be omitted, and the threaded post  12  may be fixed on the housing of the vehicle body. 
     During use, the connecting plate  11  of the first connecting portion  10  is fixed on the inner wall of the housing of the vehicle body and the second connecting portion  20  is rotatably fixed on the wing. When the wing is mounted, the bolt  121  of the threaded post  12  is aligned with the threaded hole  211  and is disposed on an edge of the threaded hole  211 . The user manually rotates the thumb wheel  21  in a first rotating direction, so that the threaded post  12  may be threadedly connected to the thumb wheel  21 . If the thumb wheel  21  is rotated by specific turns, the first connecting portion  10  may be firmly connected to the second connecting portion  20 , thereby fixing the wing on the vehicle body. The thumb wheel  21  is rotated in a second rotating direction opposite to the first rotating direction, so that the first connecting portion  10  and the second connecting portion  20  may be detached from each other, thereby detaching the wing from the vehicle body. 
     Referring to  FIG. 7  and  FIG. 8  together, the utility model further provides an aerial vehicle  2 . The aerial vehicle  2  may include a flight device such as an unmanned aerial vehicle. The aerial vehicle  2  includes a vehicle body  30 , a wing  40  and the foregoing wing detachment assembly  1 . The wing  40  is detachably connected to the vehicle body  30  by using the wing detachment assembly  1 . When the thumb wheel  21  of the wing detachment assembly  1  is mounted on the vehicle body or the wing, a part of the thumb wheel  21  protrudes out of the vehicle body or the wing to which the thumb wheel  21  is fixed. It is to be understood that, when the thumb wheel  21  is rotatably mounted on the vehicle body or the wing, a relief hole may be provided on the vehicle body or the wing, so that the threaded post  12  may be threadedly connected to the thumb wheel  21  of the wing detachment assembly  1 . 
     Compared with existing technologies, in the utility model, the second connecting portion includes a thumb wheel, the thumb wheel being provided with a threaded hole and being configured to be rotatably mounted on the vehicle body or the wing. The first connecting portion is configured to be threadedly connected to a threaded hole of the thumb wheel, the first connecting portion and the thumb wheel being fastened or detached when the thumb wheel is rotated. In this way, the wing can be quickly mounted on the vehicle body and the wing can also be quickly detached from the vehicle body without using a dedicated detachment tool, which is easy to manually detach. 
     It is to be noted that, the sequence numbers of the foregoing embodiments of the utility model are merely for description purpose but are not intended to indicate the preference of the embodiments. In addition, terms “comprise”, “include” or any variation thereof in this specification are intended to cover non-exclusive inclusion. Therefore, a process, a device, an article or a method including a series of elements not only include such elements, but also includes other elements not listed explicitly or includes intrinsic elements for the process, the device, the article, or the method. Unless otherwise specified, an element limited by “include a/an . . . ” does not exclude other same elements existing in the process, the device, the article, or the method including the element. 
     The foregoing descriptions are merely exemplary embodiments of the utility model but are not intended to limit the patent scope of the utility model. Any equivalent modifications made to the structures or processes based on the content of the specification and the accompanying drawings of the utility model for direct or indirect use in other relevant technical fields shall fall within the patent protection scope of the utility model.