Tool-free dismounting and locking device suitable for propeller of multi-rotor unmanned aerial vehicle

Abstract

The utility model discloses a tool-free dismounting and locking device suitable for a propeller of a multi-rotor unmanned aerial vehicle, which belongs to the technical field of unmanned aerial vehicle systems and comprises a base and a fixed seat which are buckled with each other. Sliding holes are formed in the two sides of the base; a spring connecting rod is restrained in each sliding hole; springs are arranged between the bottoms of the spring connecting rods and the bottoms of the sliding holes. A long through hole is formed in the side of each sliding hole; sliding rods perpendicular to the spring connecting rods are arranged on the spring connecting rods and located in the corresponding long through holes. An upper hook part is arranged on the fixed seat; and when the spring is in an extension state, the tail end of the sliding rod is positioned at the hook groove of the upper hook part. The propeller base is pressed to press the lock catch to enable the sliding rod to enter the sliding groove of the motor fixing base, after the lock catch is loosened, the lock catch spring rebounds to enable the sliding rod to be locked in the sliding groove, and a propeller can be conveniently fixed.

Description

Technical Field

[0001] The utility model belongs to the technical field of unmanned aerial vehicle systems, and specifically is a tool-free disassembly and assembly locking device suitable for propellers of multi-rotor unmanned aerial vehicles, which is mainly used to realize tool-free disassembly and assembly of propellers of multi-rotor unmanned aerial vehicles and shorten the preparation time before the unmanned aerial vehicle takes off. Background Art

[0002] Unmanned aerial vehicles (UAVs) are unmanned aerial vehicles that are controlled by wireless communication remote control equipment and self-contained program control devices or are completely or intermittently autonomously operated by ground computers. After entering the 21st century, due to the rapid development of new energy, wireless communication and other related fields, UAVs and their application fields have also made great progress. At present, due to their advantages such as easy operation and low cost, in addition to the military field, rotor UAVs are also widely used in many civilian fields such as power grid inspection, mountain disaster relief, communication relay, agricultural production, etc.

[0003] In order to achieve rapid deployment and maneuverability of multi-rotor drones, there are corresponding requirements for the inspection of drone components and the installation time of landing gear, propellers and other components, especially for military drones, which require rapid deployment and takeoff. Therefore, the installation structure of propeller landing gear and other components needs to be designed as a simple installation structure, which does not require tools as much as possible and can be operated by one person. Utility Model Content

[0004] The utility model aims to realize the rapid installation of propellers of a multi-rotor unmanned aerial vehicle before take-off, and designs a tool-free disassembly and assembly locking device for propellers of a multi-rotor unmanned aerial vehicle.

[0005] The technical solution adopted by the utility model is:

[0006] A tool-free disassembly and assembly locking device suitable for propellers of multi-rotor drones, comprising a base and a fixing seat that are interlocked; sliding holes are provided on both sides of the base; a spring connecting rod is constrained in each sliding hole; a spring is provided between the bottom of the spring connecting rod and the bottom of the sliding hole;

[0007] Each sliding hole has a through long hole on its side; the spring connecting rod is provided with a sliding rod perpendicular to it, and the sliding rod is located in the corresponding through long hole;

[0008] An upper hook portion is provided on the fixing seat; when the spring is in an extended state, the end of the slide rod is located at the hook groove of the upper hook portion.

[0009] Furthermore, the base is a propeller base, which is used to connect the propeller of the drone.

[0010] Furthermore, the fixing seat is a motor fixing seat, which is used to connect to the motor.

[0011] Furthermore, a screw hole I connected to the motor is provided in the middle of the fixing seat, and wing plates extending upward are provided on both sides; the upper hook is located at the top of the wing plate, forming an angled structure.

[0012] Furthermore, a screw hole II connected to the propeller is provided in the middle of the base;

[0013] Each end of the sliding rod extending through the long hole corresponds to an upper hook portion.

[0014] Furthermore, the penetration direction of the long through hole is perpendicular to the extension direction of the sliding hole.

[0015] Compared with the prior art, this patent has the following beneficial effects:

[0016] The propeller base design of the multi-rotor drone is fixed by screws under the propeller used by the rotor drone. A resilient push-on slide bar is designed inside the base for locking. The motor holder design of the rotor drone includes screw holes fixed on the motor and grooves for locking the slide bar. Press the propeller base and press the lock button to make the slide bar enter the slide slot of the motor holder. After releasing it, the lock button spring rebounds to lock the slide bar in the slide slot, making it easy to fix the propeller. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are only used for the purpose of illustrating specific embodiments and are not to be considered as limiting the present invention. In the entire drawings, the same reference symbols represent the same components.

[0018] Figure 1 It is a general schematic diagram of the tool-free disassembly and locking device of the propeller of a multi-rotor UAV;

[0019] Figure 2 It is a cross-sectional view of the tool-free disassembly and locking device of the propeller of a multi-rotor drone;

[0020] Figure 3 It is a schematic diagram of the tool-free disassembly and assembly of the locking device of the propeller of a multi-rotor drone and the installation of the propeller and motor;

[0021] Figure 4 It is an exploded diagram of the locking device and the propeller motor after being installed and fixed.

[0022] In the figure: 1, base, 2, fixing seat, 3, spring connecting rod, 4, sliding rod, 5, positioning column, 6, threaded hole I, 7, through long hole, 8, spring, 9, threaded hole II, 10, positioning hole, 11, upper hook. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0024] Reference Figure 1 and Figure 2 This embodiment includes a base and a fixed seat that are interlocked with each other; sliding holes are provided on both sides of the base; a spring connecting rod is constrained in each sliding hole; and a spring is provided between the bottom of the spring connecting rod and the bottom of the sliding hole.

[0025] Each sliding hole has a through long hole on its side; the spring connecting rod is provided with a sliding rod perpendicular to it, and the sliding rod is located in the corresponding through long hole;

[0026] An upper hook portion is provided on the fixing seat; when the spring is in an extended state, the end of the slide rod is located at the hook groove of the upper hook portion.

[0027] The base is a propeller base, which is used to connect the propeller of the UAV, and a positioning column is arranged on the upper surface of the base.

[0028] The fixing seat is a motor fixing seat, which is used to connect the motor and has a positioning hole at its center.

[0029] A screw hole I connected to the motor is provided in the middle of the fixing seat, and wing plates extending upward are provided at both sides; the upper hook is located at the top of the wing plate to form an angled structure.

[0030] A screw hole II connected to the propeller is provided in the middle of the base;

[0031] Each end of the sliding rod extending through the long hole corresponds to an upper hook portion.

[0032] The through direction of the through long hole is perpendicular to the extending direction of the sliding hole.

[0033] Fix the propeller base 1 of the multi-rotor drone to the propeller with screws. The hole on the base 1 is a threaded hole 16. Insert the positioning column 5 on the top of the base 1 into the central positioning hole of the propeller to ensure that the central axis of the base 1 coincides with the axis of the propeller. The compression direction of the base spring connecting rod 3 must be perpendicular to the long side of the propeller.

[0034] Fix the motor holder 2 of the multi-rotor drone to the motor with screws. The hole on the holder 2 is a threaded hole II9. Insert the motor center positioning column into the center positioning hole 10 of the motor holder 2 to ensure that the center axis of the holder 2 coincides with the motor rotation axis;

[0035] Press the spring link 3 to compress the spring 8, so that the distance between the slide bars 4 is shortened. The propeller base 1 enters the groove formed by the wing plate in the motor fixing seat 2, and the spring link 3 is released to compress the spring 8 to rebound, so that the slide bar 4 clamps the upper hook 11, and the propeller installation is completed.

[0036] When disassembling the propeller, all screws are not disassembled, and only the spring connecting rod 3 is pressed to make the sliding rod 4 slide out of the upper hook portion 11, and the base 1 and the propeller are lifted upward.

[0037] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

[0038] The present invention uses specific embodiments to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

[0039] In summary, the utility model designs a tool-free disassembly and assembly locking device suitable for multi-rotor UAV propellers. By manually pressing the connecting rod to control the movement of the sliding rod in the slot, tool-free rapid disassembly and assembly of the multi-rotor UAV propellers is achieved.

[0040] The above description is only a specific implementation mode of the present utility model, not all implementation modes. Any equivalent changes made to the technical solution of the present utility model by ordinary technicians in this field after reading the specification of the present utility model are covered by the claims of the present utility model.

Claims

1. A tool-free disassembly and locking device for propellers of multi-rotor drones, characterized in that: It comprises a base (1) and a fixing seat (2) which are interlocked with each other; sliding holes are provided on both sides of the base; a spring connecting rod is constrained in each sliding hole; and a spring is provided between the bottom of the spring connecting rod and the bottom of the sliding hole; Each sliding hole has a through long hole on its side; the spring connecting rod is provided with a sliding rod perpendicular to it, and the sliding rod is located in the corresponding through long hole; An upper hook portion is provided on the fixing seat; when the spring is in an extended state, the end of the slide rod is located at the hook groove of the upper hook portion.

2. The tool-free disassembly and locking device for propellers of multi-rotor drones according to claim 1, characterized in that: The base is a propeller base, which is used to connect the propeller of the UAV, and a positioning column is arranged on the upper surface of the base.

3. The tool-free disassembly and assembly locking device for propellers of multi-rotor drones according to claim 1, characterized in that: The fixing seat is a motor fixing seat, which is used to connect the motor and has a positioning hole at its center.

4. The tool-free disassembly and locking device for propellers of multi-rotor drones according to claim 1, characterized in that: A screw hole I connected to the motor is provided in the middle of the fixing seat, and wing plates extending upward are provided at both sides; the upper hook is located at the top of the wing plate to form an angled structure.

5. The tool-free disassembly and assembly locking device for propellers of multi-rotor drones according to claim 4, characterized in that: A screw hole II connected to the propeller is provided in the middle of the base; Each end of the sliding rod extending through the long hole corresponds to an upper hook portion.

6. The tool-free disassembly and assembly locking device for propellers of multi-rotor drones according to claim 1, characterized in that: The through direction of the through long hole is perpendicular to the extending direction of the sliding hole.

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