Self-locking folding arm of unmanned aerial vehicle

Abstract

The utility model discloses an unmanned aerial vehicle self-locking folding arm, which relates to the technical field of unmanned aerial vehicles, and comprises an unmanned aerial vehicle main body, the central surface of the periphery of the unmanned aerial vehicle main body is inwards provided with a concentric-square-shaped groove, directional shafts are fixedly connected among the groove walls of four corners of the concentric-square-shaped groove, and the exteriors of the four directional shafts are rotatably sleeved with arm bodies in a limiting manner; operation grooves are inwards formed in the surfaces of the four corners, located below the concentric-square-shaped groove, of the unmanned aerial vehicle body, positioning rods and pressing handles are slidably connected into the operation grooves, and springs are welded to the pressing handles and the inner bottom walls of the operation grooves; a first positioning hole and a second positioning hole for allowing the positioning rod to be inserted and self-locked are formed in the lower surface of the vehicle arm in a penetrating mode, an annular groove is formed in the periphery of the upper surface of the vehicle arm, a limiting cylinder is rotationally connected into the annular groove and fixedly connected to the inner top groove wall of the concentric-square-shaped groove, and the self-locking type protection storage effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles, in particular to a self-locking folding machine arm of an unmanned aerial vehicle. Background Art

[0002] With the development of science and technology, drones are used more and more widely in daily life, in aerial photography, agriculture, plant protection, micro selfies, express delivery, disaster relief, wildlife observation, infectious disease monitoring, surveying and mapping, news reporting, power inspection, disaster relief, film and television shooting, creating romance, and so on.

[0003] When drones are performing flight missions, they mostly rely on four arms to maintain balance to fly steadily. Since the arms protrude from the drone's design, it is difficult for users to store them, which can easily damage the arms. Utility Model Content

[0004] The purpose of the utility model is to provide a self-locking folding arm of a drone, which solves the technical problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-locking folding arm of a drone, comprising a drone body, a central surface around the periphery of the drone body is provided with a return groove inwardly, and the return groove is located at four corner positions and fixedly connected with a directional shaft between the groove walls, and the four directional shafts are all provided with a machine arm on the outside of the limited rotation sleeve, and the machine arm is stored clockwise into the inside of the return groove, and the four corner surfaces of the drone body located below the return groove are provided with operating grooves inwardly, and a positioning rod and a pressing handle are slidably connected in the operating groove, and a spring is welded between the pressing handle and the inner bottom wall of the operating groove, and the lower surface of the machine arm penetrates through the inside and respectively provides a first positioning hole and a second positioning hole for the positioning rod to be inserted and self-locked, and the drone body is provided with a through hole for the positioning rod to pass through.

[0006] Optionally, an annular groove is opened around the upper surface of the machine arm, and a limiting cylinder is rotatably connected in the annular groove, and the limiting cylinder is fixedly sleeved on the outside of the directional shaft and fixedly connected to the inner top groove wall of the return groove.

[0007] Optionally, an equipment slot is provided inwardly on the upper surface of the arm away from the directional axis, a motor is fixedly installed inside the equipment slot, and an output shaft of the motor passes through the upper surface of the arm and is fixedly connected to a rotating propeller.

[0008] Optionally, a surface of one end of the arm close to the motor is penetrated by equidistant heat dissipation grooves.

[0009] Optionally, a device body is fixedly mounted on the central lower surface of the drone body, and a camera is fixedly mounted on an outer surface of one side of the device body.

[0010] Optionally, a group of support handles are fixedly connected to the lower surfaces of both sides of the drone body, and the lower surfaces of the support handles are fixedly connected to a non-slip base.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model adopts a design in which the machine arm is folded and stored into a return groove, so that the user can press the pressing handle in the operating groove, the pressing handle drives the positioning rod to leave the first positioning hole, the spring is compressed, and then the machine arm folded inside is rotated to extend to the outside of the drone body, and the pressing handle is released. Under the rebound effect of the spring, the pressing handle drives the positioning rod to pass through the through hole and the positioning card is set in the second positioning hole, ensuring the self-locking purpose of the machine arm during normal use. Similarly, the user can also press the pressing handle in the operating groove, the pressing handle drives the positioning rod to leave the second positioning hole, the spring is compressed, and then the machine arm self-locked outside is folded inwardly into the inside of the return groove, and the pressing handle is released. Under the rebound effect of the spring, the pressing handle drives the positioning rod to pass through the through hole and the positioning card is set in the first positioning hole, thereby achieving the self-locking purpose of storage, thereby improving the self-locking protective storage effect of the folded machine arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the front view of the structure of the utility model;

[0014] Figure 2 It is a front cross-sectional view of the structure of the utility model;

[0015] Figure 3 It is a cross-sectional view of some structures in the utility model;

[0016] Figure 4 It is an enlarged schematic diagram of a single machine arm structure in the utility model.

[0017] In the figure: 1-UAV body, 2-reciprocating groove, 3-directional axis, 4-machine arm, 5-ring groove, 6-limiting cylinder, 7-equipment groove, 8-motor, 9-rotating propeller, 10-heat dissipation groove, 11-operating groove, 12-first positioning hole, 13-second positioning hole, 14-positioning rod, 15-through hole, 16-pressing handle, 17-spring, 18-equipment body, 19-camera, 20-support frame handle, 21-anti-slip base. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0019] For example, see Figures 1 to 4 The utility model provides a technical solution: a self-locking folding arm of a drone, comprising a drone body 1, a return groove 2 is provided inwardly on the central surface of the periphery of the drone body 1, and a directional shaft 3 is fixedly connected between the groove walls of the return groove 2 located at four corners, and the outsides of the four directional shafts 3 are all limitedly rotatably sleeved with a machine arm 4, and an annular groove 5 is provided around the upper surface of the machine arm 4, and a limit cylinder 6 is rotatably connected in the annular groove 5, and the limit cylinder 6 is fixedly sleeved on the outside of the directional shaft 3 and fixedly connected to the inner top groove of the return groove 2. The drone body 1 is provided with an operating groove 11 on the four corner surfaces below the circular groove 2, in which a positioning rod 14 and a pressing handle 16 are slidably connected, and a spring 17 is welded between the pressing handle 16 and the inner bottom wall of the operating groove 11, and a first positioning hole 12 and a second positioning hole 13 are respectively provided on the lower surface of the arm 4 to allow the positioning rod 14 to be inserted and self-locked, and a through hole 15 is provided on the drone body 1 for the positioning rod 14 to pass through.

[0020] More specifically, in the present embodiment, the user can press the pressing handle 16 in the operating groove 11, and the pressing handle 16 drives the positioning rod 14 to leave the first positioning hole 12, and the spring 17 is compressed. Subsequently, the folded arm 4 is rotated to extend to the outside of the drone body 1, and the pressing handle 16 is released. Under the rebound effect of the spring 17, the pressing handle 16 drives the positioning rod 14 to pass through the through hole 15 and be positioned in the second positioning hole 13, thereby ensuring the self-locking purpose of the arm 4 during normal use. Similarly, the user can also press the pressing handle 16 in the operating groove 11, and the pressing handle 16 drives the positioning rod 14 to leave the second positioning hole 13, and the spring 17 is compressed. Subsequently, the arm 4 that is self-locked outside is folded inwardly into the inside of the return groove 2, and the pressing handle 16 is released. Under the rebound effect of the spring 17, the pressing handle 16 drives the positioning rod 14 to pass through the through hole 15 and be positioned in the first positioning hole 12, thereby achieving the self-locking purpose of storage, thereby improving the self-locking protective storage effect of the folded arm 4.

[0021] Furthermore, an equipment slot 7 is provided inwardly on the upper surface of the arm 4 away from the directional axis 3, and a motor 8 is fixedly installed inside the equipment slot 7. The output shaft of the motor 8 passes through the upper surface of the arm 4 and is fixedly connected to a rotating propeller 9. The surface of one end of the arm 4 close to the motor 8 is penetrated by equidistant heat dissipation slots 10.

[0022] An equipment body 18 is fixedly mounted on the central lower surface of the drone body 1 , and a camera 19 is fixedly mounted on the outer surface of one side of the equipment body 18 .

[0023] It is worth noting that when the drone body 1 is in use, the four motors 8 are started simultaneously, the output shafts of the motors 8 drive the rotating propellers 9 to take off, and the heat sink 10 can dissipate the heat energy generated by the motors 8, and the camera 19 of the device body 18 records the flight situation in real time.

[0024] Embodiment 2, based on the above embodiment:

[0025] Furthermore, a group of support handles 20 are fixedly connected to the lower surfaces of both sides of the drone body 1 , and a non-slip base 21 is fixedly connected to the lower surface of the support handles 20 .

[0026] More specifically, in this embodiment, the support frame 20 has a supporting and protective effect when the drone body 1 lands, and the anti-skid base 21 provides an anti-skid purpose.

[0027] 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 self-locking folding arm of a drone, comprising a drone body (1), characterized in that: A return groove (2) is provided inwardly on the central surface of the outer periphery of the drone body (1), and an orientation shaft (3) is fixedly connected between the groove walls of the return groove (2) at four corner positions. The outsides of the four orientation shafts (3) are all provided with a machine arm (4) for limited rotation, and the machine arm (4) is received in the interior of the return groove (2) in a clockwise manner. An operating groove (11) is provided inwardly on the four corner surfaces of the drone body (1) located below the return groove (2), and a positioning rod (14) and a pressing handle (16) are slidably connected in the operating groove (11). A spring (17) is welded between the pressing handle (16) and the inner bottom wall of the operating groove (11). A first positioning hole (12) and a second positioning hole (13) are respectively provided on the lower surface of the machine arm (4) to allow the positioning rod (14) to be inserted and self-locked, and a through hole (15) is provided on the drone body (1) for the positioning rod (14) to pass through.

2. The self-locking folding arm of a drone according to claim 1, characterized in that: An annular groove (5) is formed around the upper surface of the machine arm (4), and a limiting cylinder (6) is rotatably connected in the annular groove (5). The limiting cylinder (6) is fixedly sleeved on the outside of the orientation shaft (3) and fixedly connected to the inner top groove wall of the return groove (2).

3. The self-locking folding arm of a drone according to claim 1, characterized in that: An equipment slot (7) is provided inwardly on the upper surface of the machine arm (4) away from the directional axis (3), a motor (8) is fixedly installed inside the equipment slot (7), and an output shaft of the motor (8) passes through the upper surface of the machine arm (4) and is fixedly connected to a rotating propeller (9).

4. The self-locking folding arm of a drone according to claim 3, characterized in that: A surface of one end of the machine arm (4) close to the motor (8) is provided with equidistant heat dissipation grooves (10).

5. The self-locking folding arm of a drone according to claim 1, characterized in that: A device body (18) is fixedly mounted on the central lower surface of the drone body (1), and a camera (19) is fixedly mounted on one side outer surface of the device body (18).

6. The self-locking folding arm of a drone according to claim 1, characterized in that: A group of support handles (20) are fixedly connected to the lower surfaces of both sides of the drone body (1), and a non-slip base (21) is fixedly connected to the lower surface of the support handles (20).

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