WO2017185495A1

WO2017185495A1 - Fastening structure for fast dismounting and replacement of arm of multi-shaft unmanned aerial vehicle and for uniform force bearing

Info

Publication number: WO2017185495A1
Application number: PCT/CN2016/085808
Authority: WO
Inventors: 鲍静云; 王威; 殷兰兰
Original assignee: 深圳市龙云创新航空科技有限公司
Priority date: 2016-04-28
Filing date: 2016-06-15
Publication date: 2017-11-02
Also published as: CN205633054U

Abstract

A fastening structure for fast dismounting and replacement of an arm of a multi-shaft unmanned aerial vehicle and for uniform force bearing comprises an unmanned aerial vehicle main body (1) and a detachable arm assembly (2). The unmanned aerial vehicle main body (1) and the detachable arm assembly (2) are electrically connected in a pluggable manner. The unmanned aerial vehicle main body (1) is provided with a frame connecting head (3), the detachable arm assembly (2) is provided with an arm connecting head (4) matching the frame connecting head (3), and the frame connecting head (3) and the arm connecting head (4) are detachably connected and connect the unmanned aerial vehicle main body (1) and the detachable arm assembly (2) as a whole. The fastening structure for fast dismounting and replacement of an arm of a multi-shaft unmanned aerial vehicle and for uniform force bearing has the advantages of being convenient to dismount and mount, high in connecting strength and being capable of effectively reducing the size and the like, which are not available on the existing products.

Description

Quick fastening and multi-axis unmanned aerial vehicle arm quick fastening and uniform bearing capacity fastening structure

Technical field

The invention relates to a mounting structure in the field of application of a drone, in particular to a fastening structure of a multi-axis UAV arm for quick disassembly and uniform bearing force.

Background technique

In recent years, with the promotion of drone applications, the application field has been expanding, and the size requirements of drones vary from industry to industry. In order to save transportation costs and packaging costs, the detachability and convenient storage of drones has become an important indicator for measuring the mechanical structure of drones. For this reason, some structures that are easy to disassemble have appeared on the market, such as a detachable arm, a foldable arm, a detachable landing gear, and the like. Because the most important part that determines the size of the drone is the length of the arm. Therefore, the detachability of the arm has become a structural breakthrough point pursued by various drone manufacturers.

Although there are fasteners such as threaded sleeves and hinged collapsible arms on the market, they are not satisfactory in terms of convenience and robustness. For example, the assembly of the screw cap fastening arm requires pre-assembly of the thread to the arm. In the rod, it is more time-consuming to fix the arm in multiple positions by screwing the threaded sleeve, and the thread sleeve is limited by the appearance and size. The large torque resistance is not guaranteed, and the fastening effect is not good; the hinged folding arm can only be folded easily. The lack of rapid disassembly does not significantly reduce the transport volume.

In short, the existing products have technical defects such as inconvenient disassembly and assembly, inability to withstand the torque, poor connection effect, and the volume of the product cannot be effectively reduced.

In view of this, it is an object of the present invention to provide a new technical solution to solve the existing technical deficiencies.

Summary of the invention

In order to overcome the deficiencies of the prior art, the present invention provides a quick-removal and uniform bearing fastening structure of a multi-axis unmanned aerial vehicle arm, which solves the problem that the existing unmanned aerial vehicle has insufficient disassembly and assembly, and the disassembly structure bears Technical defects such as insufficient torque and poor volume reduction.

The technical solution adopted by the present invention to solve the technical problem thereof is:

A multi-axis UAV arm quick-removing and uniform bearing fastening structure, comprising a UAV main body and a detachable arm assembly, the UAV main body and the detachable arm assembly are pluggable Electrically connected, the main body of the drone is provided with a rack connector, and the detachable arm assembly is provided with an arm connector that cooperates with the rack connector, and the rack connector can be connected with the arm The head is detachably connected and the drone body is coupled to the detachable arm assembly as a unit.

As an improvement of the above technical solution, the rack connector includes a joint body and a quick release cover, the quick release cover is hinged on the joint body through a rotating shaft, and the quick release cover is provided with a quick release buckle, the arm joint The fastening recess is matched with the quick release buckle, and the quick release buckle can be fastened to the fastening recess.

As a further improvement of the above technical solution, the quick release buckle is a half closed U-shaped member, and both ends of the quick release buckle are provided with a hinged end, and a middle portion of the quick release cover is provided with a hinge for mounting two hinge ends of the quick release buckle a hole, the hinge end of the quick release buckle is inserted into the hinge hole, and the quick release buckle is rotatable around the hinge hole.

As a further improvement of the above technical solution, each of the rack connectors is provided with two sets of quick release covers, a rotating shaft and a quick release buckle, and the corresponding two sets of fastening recesses are arranged on the arm joints.

As a further improvement of the above technical solution, the center position of the rack connector is an electrical slot, and the center position of the arm connector is an electrical plug that matches the electrical slot, and the electrical plug can be inserted into the electrical slot. And the UAV main body and the detachable arm assembly are electrically connected.

As a further improvement of the above technical solution, the detachable arm assembly is provided with a motor and a propeller driven to rotate by the motor.

The invention has the beneficial effects that the present invention provides a quick-removal and uniform bearing fastening structure for a multi-axis unmanned aerial vehicle arm, and the fastening mechanism is detachably connected through a frame joint and an arm joint. The utility model has the advantages of convenient disassembly and installation, high bearing capacity, and can effectively reduce the volume of the whole drone, and is practical and convenient, and the user experience is good.

DRAWINGS

The invention will now be further described with reference to the drawings and embodiments.

Figure 1 is a structural split view of the present invention;

2 is a schematic view showing the state of the installation process of the detachable arm assembly of the present invention;

Figure 3 is a partial method view of A in Figure 2;

4 is a schematic structural view of the present invention after the detachable arm assembly is installed;

Figure 5 is a partial enlarged view of Figure 4.

detailed description

The concept, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings. It is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments, based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts belong to The scope of protection of the present invention. In addition, all the coupling/joining relationships involved in the patents are not directly connected to the components, but rather may constitute a better coupling structure by adding or reducing the coupling accessories according to the specific implementation. The various technical features in the creation of the invention can be combined and combined without conflicting with each other, referring to FIG. 1 and FIG. 2,

A multi-axis UAV arm quick-removing and uniform bearing fastening structure comprises a UAV main body 1 and a detachable arm assembly 2, wherein the UAV main body 1 and the detachable arm assembly 2 are The plug-in type electrical connection is provided, and the drone main body 1 is provided with a rack connector 3, and the detachable arm assembly 2 is provided with a boom connector 4 that cooperates with the rack connector 3, The rack connector 3 is detachably coupled to the arm connector 4 and connects the drone body 1 to the detachable arm assembly 2 as a single unit.

Preferably, the rack connector 3 includes a joint main body 31 and a quick release cover 32. The quick release cover 32 is hinged on the joint main body 31 via a rotating shaft 33, and the quick release cover 32 is provided with a quick release buckle 34. The arm joint 4 is provided with a fastening recess 41 for engaging the quick release buckle 34, and the quick release buckle 34 can be fastened to the fastening recess 41.

Preferably, the quick release buckle 34 is a half closed U-shaped member, and both ends of the quick release buckle 34 are provided with a hinged end, and a central portion of the quick release cover 32 is provided with a hinge hole for mounting two hinge ends of the quick release buckle 34 The hinge end of the quick release buckle 34 is inserted into the hinge hole, and the quick release buckle 34 is rotatable about the hinge hole.

Preferably, each of the rack connectors 3 is provided with two sets of quick release covers 32, a rotating shaft 33 and a quick release buckle 34, and the corresponding two sets of fastening recesses 41 are disposed on the arm joint 4.

Preferably, the center position of the rack connector 3 is an electrical slot, and the center position of the arm connector 4 is an electrical plug that matches the electrical slot, and the electrical plug can be inserted into the electrical slot and implemented without The human body 1 is in electrical communication with the detachable arm assembly 2.

Preferably, the detachable arm assembly 2 is provided with a motor 5 and a propeller 6 driven to rotate by the motor 5.

In application, the electrical plug on the arm joint 4 of the detachable arm assembly 2 is inserted into the electrical slot on the rack connector 3 of the unmanned main body 1 to realize the motor 5 on the detachable arm assembly 3. Electrically conducting with the main body 1 of the drone; further rotating and fastening the quick release buckle 34 to the fastening recess 41 on the arm joint 4, and then pulling the quick release cover 32 to fast release the buckle 34 Immediately on the arm joint 4, the entire detachable arm assembly 2 is finally brought into a fixed connection with the drone main body 1.

The above-mentioned combined structure realizes the quick release and quick loading functions of the unmanned main body 1 and the detachable arm assembly 2, and the connection structure of the two can provide sufficient connection strength and has good torsion resistance; in addition, after quick disassembly The entire drone can effectively reduce the space occupied, and is convenient for transportation and storage.

The above is a detailed description of the preferred embodiments of the present invention, but the present invention is not limited to the embodiments, and various equivalent modifications or substitutions can be made by those skilled in the art without departing from the spirit of the invention. Such equivalent modifications or alternatives are intended to be included within the scope of the claims.

Claims

A multi-axis UAV arm quick-removing and uniform bearing fastening structure is characterized in that it comprises a UAV main body (1) and a detachable arm assembly (2), and the UAV main body ( 1) The detachable arm assembly (2) is a pluggable electrical connection, and the drone main body (1) is provided with a rack connector (3), which is disposed on the detachable arm assembly (2) There is an arm connector (4) that cooperates with the rack connector (3), and the rack connector (3) is detachably connected to the arm connector (4) and the drone body (1) ) is connected to the detachable arm assembly (2) as a whole.
The quick-removal and uniform bearing fastening structure of a multi-axis UAV arm according to claim 1, wherein the frame connector (3) comprises a connector body (31) and a quick release a cover (32), the quick release cover (32) is hinged to the joint body (31) via a rotating shaft (33), and the quick release cover (32) is provided with a quick release buckle (34), the arm joint ( 4) A fastening recess (41) is provided on the quick release buckle (34), and the quick release buckle (34) can be fastened on the fastening recess (41).
The quick-removal and uniform bearing fastening structure of a multi-axis UAV arm according to claim 2, wherein the quick release buckle (34) is a half-closed U-shaped member, and the quick release The two ends of the buckle (34) are provided with a hinged end, and a central portion of the quick release cover (32) is provided with a hinge hole for mounting two hinge ends of the quick release buckle (34), and the hinge end of the quick release buckle (34) The hinge hole is inserted, and the quick release buckle (34) is rotatable about the hinge hole.
The quick-removal and uniform bearing fastening structure of a multi-axis UAV arm according to claim 3, wherein each of the rack connectors (3) is provided with two sets of quick release covers. (32), a rotating shaft (33) and a quick release buckle (34), and the corresponding two sets of fastening recesses (41) are arranged on the arm joint (4).
The quick-removal and uniform bearing fastening structure of the multi-axis UAV arm according to claim 4, wherein the center position of the rack connector (3) is an electrical slot, The central position of the arm connector (4) is an electrical plug that cooperates with the electrical slot, and the electrical plug can be inserted into the electrical slot and realizes the electrical power of the unmanned main body (1) and the detachable arm assembly (2). Connected.
The quick-removal and uniform bearing fastening structure of a multi-axis UAV arm according to claim 5, wherein the detachable arm assembly (2) is provided with a motor (5) and The rotating propeller (6) is driven by the motor (5).