Tilting structure and tilting unmanned aerial vehicle

Abstract

The utility model relates to a tilting structure which comprises a support, a mounting seat, a connecting piece, a lead screw and a ball nut, one end of the support is rotationally connected with the mounting seat, the other end of the support is rotationally connected with the middle of the connecting piece, a rotating shaft is arranged at one end of the connecting piece, a tilting workpiece is arranged at the other end of the connecting piece, a motor and a bearing are arranged on the mounting seat, and the ball nut is arranged on an inner ring of the bearing. One end of the lead screw is connected with the ball nut in a matched mode, the other end of the lead screw is fixedly connected to the side face of the rotating shaft, and the lead screw pulls the rotating shaft to drive the connecting piece to rotate around a connecting point in the middle of the connecting piece. And the change of the tilting workpiece in the vertical direction and the horizontal direction can be realized. The utility model further relates to a tilting unmanned aerial vehicle which comprises a vehicle body and the tilting structure, the support is fixedly arranged on the vehicle body, and the tilting workpiece is a propeller motor. The tilting unmanned aerial vehicle applying the tilting structure can achieve the conversion purpose of vertical take-off and landing in a rotor wing state and horizontal flight in a fixed wing state.

Description

TECHNICAL FIELD

[0001] The utility model belongs to unmanned plane technical field, especially involve tilting structure and tilt unmanned plane. BACKGROUND

[0002] Fixed wing unmanned plane needs to taxi for taking off and landing, and needs special runway; while the rotorcraft has low flight speed, large power consumption for long distance flight, and short flight distance. The existing tilt unmanned plane tilting mechanism mostly adopts worm gear transmission mode, which has the following shortcomings in practical application:

[0003] Complex structure, high precision requirement for parts processing;

[0004] Large overall quality, not conducive to use on unmanned plane;

[0005] Large gap, affecting the stability of propeller angle when unmanned plane flies;

[0006] Serious tooth surface wear, short service life. UTILITY MODEL CONTENTS

[0007] Therefore, the utility model aims at the shortage of prior art, provides a kind of tilting structure and tilt unmanned plane, can realize the change of tilting workpiece in vertical direction and horizontal direction, greatly improve the working efficiency and flight distance of unmanned plane.

[0008] To achieve the above object, the utility model adopts the following technical scheme:

[0009] Tilting structure, including support, mounting seat, connecting piece, screw rod and ball nut, one end of support is rotatably connected with mounting seat, other end is rotatably connected with the middle part of connecting piece, one end of connecting piece is provided with rotating shaft, other end is provided with tilting workpiece, motor and bearing are provided on mounting seat, ball nut is arranged in the inner ring of bearing, motor drives ball nut to rotate, one end of screw rod is connected with ball nut, other end is fixedly connected to the side surface of rotating shaft, rotating shaft can drive connecting piece to rotate around the connecting point in the middle by screw rod pulling.

[0010] In order to better realize the utility model, motor drives ball nut to rotate through transmission mechanism in the further optimization of the above structure.

[0011] In order to better realize the utility model, transmission mechanism includes gear, gear turntable and nut seat in the further optimization of the above structure, motor drives gear to rotate, gear and gear turntable are engaged transmission, gear turntable is fixedly connected with nut seat, nut seat is fixedly connected with ball nut.

[0012] In order to better realize the utility model, both ends of mounting seat are rotatably connected with support in the further optimization of the above structure.

[0013] In order to better realize the utility model, in the above structure is further optimized, both ends of the rotating shaft are rotatably connected with the connecting piece.

[0014] The tilt unmanned aerial vehicle comprises a body and the tilt structure, and the support is fixedly arranged on the body.

[0015] In order to better realize the utility model, in the above structure is further optimized, the propeller motor is provided with four, and is uniformly and symmetrically arranged at four peripheries of the body through the four tilt structures.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The tilt structure can realize the change of the tilt workpiece in the vertical direction and the horizontal direction. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings required to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0019] Figure 1 is one of the structure schematic views of the tilt structure in the utility model;

[0020] Figure 2 is the second structure schematic view of the tilt structure in the utility model;

[0021] Figure 3 is Figure 2 is the local enlarged structure schematic view of the mounting seat in the utility model;

[0022] Figure 4 is the connection structure schematic view of the tilt structure and the propeller motor in the utility model;

[0023] Figure 5 is the structure schematic view of the tilt unmanned aerial vehicle in the utility model.

[0024] In the drawing:

[0025] 1-bracket, 2-mounting seat, 3-connector, 4-screw, 5-ball nut, 6-rotary shaft, 7-motor, 8-bearing, 9-gear, 10-gear turntable, 11-nut seat, 12-machine body, 13-propeller motor. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme of the present application will be described in detail below. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] In the description of the present application, it should be pointed out that, unless otherwise stated, the meaning of "a plurality of" is two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present application, it should be pointed out that, unless otherwise stated and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] Embodiment 1:

[0030] Please refer to Figures 1-3The utility model provides a schematic diagram of tilting structure, including support 1, mounting seat 2, connecting piece 3, screw 4 and ball nut 5, support 1 one end is connected with mounting seat 2 rotation, and the other end is connected with the middle part rotation of connecting piece 3, and one end of connecting piece 3 is provided with pivot 6, and the other end sets up tilting work piece, and mounting seat 2 is provided with motor 7 and bearing 8, ball nut 5 sets up in the inner ring of bearing 8, and motor 7 drives ball nut 5 rotation, and one end of screw 4 is connected with ball nut 5, and the other end is fixedly connected to the side surface of pivot 6, and the pivot 6 can drive connecting piece 3 to rotate around the connecting point of middle part by screw 4, and the tilting work piece can be converted in vertical state and horizontal state.

[0031] In the embodiment, motor 7 drives ball nut 5 rotation through transmission mechanism. Transmission mechanism includes gear 9, gear turntable 10 and nut seat 11, motor 7 drives gear 9 rotation, gear 9 is engaged transmission with gear turntable 10, gear turntable 10 is fixedly connected with nut seat 11, nut seat 11 is fixedly connected with ball nut 5, gear turntable 10 transmits power to ball nut 5 through nut seat 11, drives ball nut 5 rotation, thereby drives screw 4 that cooperates with it to make linear motion, finally through the linear motion of screw 4 before and after pulling connecting piece 3 rotation, make the tilting work piece on connecting piece 3 can change from vertical state to horizontal state.

[0032] In order to improve stability and structural strength, both ends of mounting seat 2 are rotationally connected with support 1. Both ends of pivot 6 are rotationally connected with connecting piece 3.

[0033] Moreover, compared with the whole quality of worm gear transmission, the device is lighter, the transmission precision is higher, the operation is stable, the control is simple, and the service life is longer.

[0034] Example 2:

[0035] Please refer to Figure 4 and Figure 5 The utility model provides a schematic diagram of tilting unmanned plane, including body 12 and above-mentioned tilting structure, when installing, support 1 is fixedly arranged on body 12, and tilting work piece is propeller motor 13, by installing propeller motor 13 on tilting structure, can reach the conversion purpose of vertical take-off and landing of unmanned plane under the state of rotor, horizontal flight under the state of fixed wing.

[0036] In the embodiment, four propeller motors 13 are arranged, and are evenly and symmetrically arranged around body 12 through four tilting structures.

[0037] When flying, the unmanned aerial vehicle needs to take off from the rotor state and then switch to the fixed-wing state for horizontal flight. The propeller motor 13 needs to be gradually switched from the vertical state to the horizontal state, and in the process, the tilting structure first controls the propeller motor 13 to be in the vertical state, then the propeller motor 13 is started until the unmanned aerial vehicle takes off, and then the tilting structure controls the propeller motor 13 to switch from the vertical state to the horizontal state, so that the unmanned aerial vehicle switches to the fixed-wing state for horizontal flight.

[0038] The above merely describes the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A tilting structure, characterized by: The application relates to a tilting structure, which comprises a support (1), a mounting base (2), a connecting piece (3), a lead screw (4) and a ball nut (5), one end of the support (1) is rotationally connected with the mounting base (2), the other end is rotationally connected with the middle part of the connecting piece (3), one end of the connecting piece (3) is provided with a rotating shaft (6), the other end is provided with a tilting workpiece, the mounting base (2) is provided with a motor (7) and a bearing (8), the ball nut (5) is arranged in the inner ring of the bearing (8), the motor (7) drives the ball nut (5) to rotate, one end of the lead screw (4) is connected with the ball nut (5), the other end is fixedly connected to the side surface of the rotating shaft (6), the rotating shaft (6) can be driven to rotate by the lead screw (4), and the connecting piece (3) can be driven to rotate around the connecting point in the middle part.

2. The tilting structure according to claim 1, characterized in that: The motor (7) drives the ball nut (5) to rotate through a transmission mechanism.

3. The tilting structure according to claim 2, characterized in that: The transmission mechanism comprises a gear (9), a gear rotating disc (10) and a nut base (11), the motor (7) drives the gear (9) to rotate, the gear (9) is in gear transmission with the gear rotating disc (10), the gear rotating disc (10) is fixedly connected with the nut base (11), and the nut base (11) is fixedly connected with the ball nut (5).

4. The tilting structure according to claim 3, characterized in that: Both ends of the mounting base (2) are rotationally connected with the support (1).

5. The tilting structure according to claim 4, characterized in that: Both ends of the rotating shaft (6) are rotationally connected with the connecting piece (3).

6. A tilt drone, characterized by: The application relates to a tilting structure, which comprises a support (1), a mounting base (2), a connecting piece (3), a lead screw (4) and a ball nut (5), one end of the support (1) is rotationally connected with the mounting base (2), the other end is rotationally connected with the middle part of the connecting piece (3), one end of the connecting piece (3) is provided with a rotating shaft (6), the other end is provided with a tilting workpiece, the mounting base (2) is provided with a motor (7) and a bearing (8), the ball nut (5) is arranged in the inner ring of the bearing (8), the motor (7) drives the ball nut (5) to rotate, one end of the lead screw (4) is connected with the ball nut (5), the other end is fixedly connected to the side surface of the rotating shaft (6), the rotating shaft (6) can be driven to rotate by the lead screw (4), and the connecting piece (3) can be driven to rotate around the connecting point in the middle part.

7. The tilting drone of claim 6, wherein: The motor (7) drives the ball nut (5) to rotate through a transmission mechanism. The transmission mechanism comprises a gear (9), a gear rotating disc (10) and a nut base (11), the motor (7) drives the gear (9) to rotate, the gear (9) is in gear transmission with the gear rotating disc (10), the gear rotating disc (10) is fixedly connected with the nut base (11), and the nut base (11) is fixedly connected with the ball nut (5). Both ends of the mounting base (2) are rotationally connected with the support (1). Both ends of the rotating shaft (6) are rotationally connected with the connecting piece (3). The application relates to a tilting structure, which comprises a support (1), a mounting base (2), a connecting piece (3), a lead screw (4) and a ball nut (5), one end of the support (1) is rotationally connected with the mounting base (2), the other end is rotationally connected with the middle part of the connecting piece (3), one end of the connecting piece (3) is provided with a rotating shaft (6), the other end is provided with a tilting workpiece, the mounting base (2) is provided with a motor (7) and a bearing (8), the ball nut (5) is arranged in the inner ring of the bearing (8), the motor (7) drives the ball nut (5) to rotate, one end of the lead screw (4) is connected with the ball nut (5), the other end is fixedly connected to the side surface of the rotating shaft (6), the rotating shaft (6) can be driven to rotate by the lead screw (4), and the connecting piece (3) can be driven to rotate around the connecting point in the middle part. The motor (7) drives the ball nut (5) to rotate through a transmission mechanism. The transmission mechanism comprises a gear (9), a gear rotating disc (10) and a nut base (11), the motor (7) drives the gear (9) to rotate, the gear (9) is in gear transmission with the gear rotating disc (10), the gear rotating disc (10) is fixedly connected with the nut base (11), and the nut base (11) is fixedly connected with the ball nut (5). Both ends of the mounting base (2) are rotationally connected with the support (1). Both ends of the rotating shaft (6) are rotationally connected with the connecting piece (3). The application relates to a tilting structure, which comprises a support (1), a mounting base (2), a connecting piece (3), a lead screw (4) and a ball nut (5), one end of the support (1) is rotationally connected with the mounting base (2), the other end is rotationally connected with the middle part of the connecting piece (3), one end of the connecting piece (3) is provided with a rotating shaft (6), the other end is provided with a tilting workpiece, the mounting base (2) is provided with a motor (7) and a bearing (8), the ball nut (5) is arranged in the inner ring of the bearing (8), the motor (7) drives the ball nut (5) to rotate, one end of the lead screw (4) is connected with the ball nut (5), the other end is fixedly connected to the side surface of the rotating shaft (6), the rotating shaft (6) can be driven to rotate by the lead screw (4), and the connecting piece (3) can be driven to rotate around the connecting point in the middle part. The motor (7) drives the ball nut (5) to rotate through a transmission mechanism. The transmission mechanism comprises a gear (9), a gear rotating disc (10) and a nut base (11), the motor (7) drives the gear (9) to rotate, the gear (9) is in gear transmission with the gear rotating disc (10), the gear rotating disc (10) is fixedly connected with the nut base (11), and the nut base (11) is fixedly connected with the ball nut (5). Both ends of the mounting base (2) are rotationally connected with the support (1). Both ends of the rotating shaft (6) are rotationally connected with the connecting piece (3). The application relates to a tilting structure, which comprises a support (1), a mounting base (2), a connecting piece (3), a lead screw (4) and a ball nut (5), one end of the support (1) is rotationally connected with the mounting base (2), the other end is rotationally connected with the middle part of the connecting piece (3), one end of the connecting piece (3) is provided with a rotating shaft (6), the other end is provided with a tilting workpiece, the mounting base (2) is provided with a motor (7) and a bearing (8), the ball nut (5) is arranged in the inner ring of the bearing (8), the motor (7) drives the ball nut (5) to rotate, one end of the lead screw (4) is connected with the ball nut (5), the other end is fixedly connected to the side surface of the rotating shaft (6), the rotating shaft (6) can be driven to rotate by the lead screw (4), and the connecting piece (3) can be driven to rotate around the connecting point in the middle part. The motor (7) drives the ball nut (5) to rotate through a transmission mechanism. The transmission mechanism comprises a gear (9), a gear rotating disc (10) and a nut base (11), the motor (7) drives the gear (9) to rotate, the gear (9) is in gear transmission with the gear rotating disc (10), the gear rotating disc (10) is fixedly connected with the nut base (11), and the nut base (11) is fixedly connected with the ball nut (5). Both ends of the mounting base (2) are rotationally connected with the support (1). Both ends of the rotating shaft (6) are rotationally connected with the connecting piece (3). The application relates to a tilting structure, which comprises a support (1), a mounting base (2), a connecting piece (3), a lead screw (4) and a ball nut (5), one end of the support (1) is rotationally connected with the mounting base (2), the other end is rotationally connected with the middle part of the connecting piece (3), one end of the connecting piece (3) is provided with a rotating shaft (6), the other end is provided with a tilting workpiece, the mounting base (2) is provided with a motor (7) and a bearing (8),

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