Multi-rotor safe unmanned aerial vehicle

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a multi-rotor safe unmanned aerial vehicle. Comprising an unmanned aerial vehicle body, the outer side of the unmanned aerial vehicle body is fixedly connected with a plurality of connecting bases, the unmanned aerial vehicle body is connected with arm supporting rods through the connecting bases, one ends of the arm supporting rods are fixedly connected with motor fixing bases, driving motors are installed in the motor fixing bases, rotors are arranged at the output ends of the driving motors, and rotor anti-collision protection mechanisms are arranged on the outer sides of the motor fixing bases; supporting vertical rods are slidably connected to the bottoms of the vehicle arm supporting rods, and landing buffering protection mechanisms are arranged at the bottom ends of the supporting vertical rods. The utility model aims to solve the potential safety hazard existing in the operation process of the existing multi-rotor unmanned aerial vehicle, especially the problem of damage caused by accidental collision and uneven ground during landing.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane technical field especially, it relates to a kind of multi-rotor safety unmanned plane. BACKGROUND

[0002] With the rapid development of unmanned driving technology, the application of unmanned plane in various fields is increasingly widespread, especially in military reconnaissance, emergency rescue, environmental monitoring, aerial photography and video recording scenes, the flexibility and efficiency of unmanned plane significantly improve the success rate and safety of task execution.

[0003] However, the traditional multi-rotor unmanned plane still has some security risks in the operation process, for example, the rotor is damaged due to accidental collision during flight, or the unmanned plane body is damaged due to uneven ground during landing, which not only increases the maintenance cost, but also may threaten the operator and the surrounding environment. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is that the existing multi-rotor unmanned plane has security risks in the operation process, especially damage caused by accidental collision and uneven ground during landing.

[0005] In order to solve the above technical problems, the utility model adopts the technical scheme of a multi-rotor safety unmanned plane, which comprises an unmanned plane body, a plurality of connecting seats are fixedly connected to the outer side of the unmanned plane body, and a machine arm support rod is connected to the unmanned plane body through the connecting seat, one end of the machine arm support rod is fixedly connected with a motor fixing seat, a driving motor is installed in the motor fixing seat, an output end of the driving motor is provided with a rotor, an anti-collision protection mechanism is arranged outside the motor fixing seat, a supporting vertical rod is slidably connected to the bottom of the machine arm support rod, and a landing buffer protection mechanism is arranged at the bottom end of the supporting vertical rod.

[0006] As a further improvement of the utility model, the number of connecting seats is not less than four and is an even number, and a plurality of connecting seats are symmetrically distributed on both sides of the unmanned plane body.

[0007] As a further improvement of the utility model, the machine arm support rod is inserted with the connecting seat, and the machine arm support rod is interference-fitted with the connecting seat.

[0008] As a further improvement of the utility model, the anti-collision protection mechanism of the rotor comprises a plurality of bent links fixedly connected with the motor fixing seat, and one end of each of the plurality of bent links is fixedly connected with an arc-shaped anti-collision rod.

[0009] As a further improvement of the utility model, the number of bent links is not less than three and is evenly distributed outside the motor fixing seat.

[0010] As a further improvement of the utility model, the arc-shaped anti-collision rod is a hollow structure and is located outside the rotor.

[0011] As a further improvement of the utility model, the support vertical rod is integrally connected with a sliding block at the top end, and the machine arm support rod is provided with a guide sliding groove for sliding of the sliding block at the bottom.

[0012] As a further improvement of the utility model, the machine arm support rod is a hollow structure adapted to sliding of the sliding block, and the guide sliding groove at the bottom of the machine arm support rod is T-shaped in section.

[0013] As a further improvement of the utility model, the landing buffer protection mechanism comprises a connecting block fixedly sleeved outside the support vertical rod and a sliding ring slidably sleeved outside the support vertical rod, a support base is arranged below the support vertical rod, the support base and the sliding ring are fixedly connected through a side connecting rod, and the support base and the connecting block are connected through a buffer spring.

[0014] As a further improvement of the utility model, the sliding ring is located above the connecting block, and the buffer spring is sleeved outside the support vertical rod.

[0015] The utility model discloses the design of rotor anti-collision protection mechanism effectively reduces the risk of rotor damage caused by accidental collision in the flight process of unmanned aerial vehicle, and the hollow structure of arc-shaped anti-collision rod and the uniform distribution of curved link provide good buffering and protection effect.

[0016] (2) the design of landing buffer protection mechanism makes unmanned aerial vehicle better adapt to the uneven ground when landing, and through the cooperation of buffer spring and sliding ring, the possibility of damage of unmanned aerial vehicle body is effectively reduced.

[0017] (3) the design of connecting seat and machine arm support rod not only guarantees the structural stability of unmanned aerial vehicle, but also facilitates subsequent maintenance and replacement, improves the operation efficiency of unmanned aerial vehicle, and has wide application prospect. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic view of a multi-rotor safe unmanned aerial vehicle of the utility model;

[0019] Figure 2 It is the overall structure schematic view of a multi-rotor safe unmanned aerial vehicle of the utility model; Figure 1 Another perspective view schematic diagram;

[0020] Figure 3 It is the local structure schematic view of a multi-rotor safe unmanned aerial vehicle of the utility model;

[0021] Figure 4 It is the local structure schematic view of a multi-rotor safe unmanned aerial vehicle of the utility model;Figure 3 Another view schematic diagram

[0022] Figure 5 The utility model relates to a multi-rotor safe unmanned plane Figure 3 Structural exploded view

[0023] Figure 6 The utility model relates to a partial structure sectional view of a multi-rotor safe unmanned plane.

[0024] As shown in the figure: 1, unmanned plane body;2, connecting seat;3, arm support rod;4, motor fixing base;5, drive motor;6, rotor;7, rotor anti-collision protection mechanism;701, bent connecting rod;702, arc-shaped anti-collision rod;8, support vertical rod;9, landing buffer protection mechanism;901, connecting block;902, sliding ring;903, support base;904, side connecting rod;905, buffer spring;10, sliding block;11, guide sliding groove. DETAILED DESCRIPTION

[0025] In the present specification, the orientation terms such as up, down, left, right, front, back, front face, back face, top, bottom, etc. mentioned or possibly mentioned are defined relative to its structure, and they are relative concepts. Therefore, it is possible to change accordingly according to its different positions, different use states; therefore, these or other orientation terms should not be interpreted as restrictive terms.

[0026] The singular forms "a", "said" and "the" used in the present specification are intended to include plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein means and includes any or all possible combinations of one or more associated listed items.

[0027] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the embodiments described herein are only used to explain the present application and do not limit the present application.

[0028] The utility model provides a kind of as attached Figures 1-6The utility model provides a kind of multi-rotor safety unmanned plane, including unmanned plane body 1, multiple connecting seats 2 are fixedly connected outside unmanned plane body 1 and unmanned plane body 1 is connected with arm support 3 by connecting seat 2, arm support 3 one end is fixedly connected with motor fixed seat 4, driving motor 5 is installed in motor fixed seat 4, the output end of driving motor 5 is equipped with rotor 6, motor fixed seat 4 outside is equipped with rotor anti-collision protection mechanism 7, arm support 3 bottom is slidably connected with support vertical rod 8, support vertical rod 8 top is integrally connected with sliding block 10, arm support 3 bottom is equipped with the guide sliding slot 11 for sliding block 10 sliding, arm support 3 is hollow structure adapted to sliding block 10 sliding and the guide sliding slot 11 section at arm support 3 bottom is T-shaped, support vertical rod 8 bottom end is equipped with landing buffer protection mechanism 9.

[0029] As Figure 1 And Figure 2 The utility model discloses a kind of multi-rotor safety unmanned plane, including unmanned plane body 1, multiple connecting seats 2 are fixedly connected outside unmanned plane body 1 and unmanned plane body 1 is connected with arm support 3 by connecting seat 2, arm support 3 one end is fixedly connected with motor fixed seat 4, driving motor 5 is installed in motor fixed seat 4, the output end of driving motor 5 is equipped with rotor 6, motor fixed seat 4 outside is equipped with rotor anti-collision protection mechanism 7, arm support 3 bottom is slidably connected with support vertical rod 8, support vertical rod 8 top is integrally connected with sliding block 10, arm support 3 bottom is equipped with the guide sliding slot 11 for sliding block 10 sliding, arm support 3 is hollow structure adapted to sliding block 10 sliding and the guide sliding slot 11 section at arm support 3 bottom is T-shaped, support vertical rod 8 bottom end is equipped with landing buffer protection mechanism 9.

[0030] As Figures 3-5 The utility model discloses a kind of multi-rotor safety unmanned plane, including unmanned plane body 1, multiple connecting seats 2 are fixedly connected outside unmanned plane body 1 and unmanned plane body 1 is connected with arm support 3 by connecting seat 2, arm support 3 one end is fixedly connected with motor fixed seat 4, driving motor 5 is installed in motor fixed seat 4, the output end of driving motor 5 is equipped with rotor 6, motor fixed seat 4 outside is equipped with rotor anti-collision protection mechanism 7, arm support 3 bottom is slidably connected with support vertical rod 8, support vertical rod 8 top is integrally connected with sliding block 10, arm support 3 bottom is equipped with the guide sliding slot 11 for sliding block 10 sliding, arm support 3 is hollow structure adapted to sliding block 10 sliding and the guide sliding slot 11 section at arm support 3 bottom is T-shaped, support vertical rod 8 bottom end is equipped with landing buffer protection mechanism 9.

[0031] As Figure 6 The utility model discloses a kind of multi-rotor safety unmanned plane, including unmanned plane body 1, multiple connecting seats 2 are fixedly connected outside unmanned plane body 1 and unmanned plane body 1 is connected with arm support 3 by connecting seat 2, arm support 3 one end is fixedly connected with motor fixed seat 4, driving motor 5 is installed in motor fixed seat 4, the output end of driving motor 5 is equipped with rotor 6, motor fixed seat 4 outside is equipped with rotor anti-collision protection mechanism 7, arm support 3 bottom is slidably connected with support vertical rod 8, support vertical rod 8 top is integrally connected with sliding block 10, arm support 3 bottom is equipped with the guide sliding slot 11 for sliding block 10 sliding, arm support 3 is hollow structure adapted to sliding block 10 sliding and the guide sliding slot 11 section at arm support 3 bottom is T-shaped, support vertical rod 8 bottom end is equipped with landing buffer protection mechanism 9.

[0032] Working principle: the utility model discloses in the specific implementation, when the unmanned plane is in the flight state, drive motor 5 drives rotor 6 to rotate, produces the lift, makes unmanned plane can take off and carries out various flight actions, the setting of rotor anti -collision protection mechanism 7 can when unmanned plane has accidental collision, through arc -shaped anti -collision rod 702 to absorb the collision energy, effectively reduces the impact that rotor 6 receives, protects rotor 6 from being damaged, simultaneously, the hollow structure of arc -shaped anti -collision rod 702 reduces the weight of unmanned plane, makes unmanned plane more flexible in the flight process, and energy consumption is lower.

[0033] When the unmanned plane needs to land, the supporting base 903 first contacts the ground, the buffer spring 905 is compressed, and simultaneously the sliding ring 902 is driven to slide outside the supporting vertical rod 8 through the side connecting rod 904, at this time, the elastic potential energy of the buffer spring produces a buffering effect, can absorb the impact force when the unmanned plane lands, effectively reduces the possibility of damage of the unmanned plane body 1. When the ground is uneven, the elastic effect of the buffer spring 905 can make the unmanned plane body 1 slowly descend until completely landing, effectively reducing the impact on the unmanned plane body 1 due to uneven ground, further improving the landing stability of the unmanned plane.

[0034] The design of the connecting seat 2 and the arm support rod 3 not only ensures the structural stability of the unmanned plane, but also facilitates subsequent maintenance and replacement. When a certain component of the unmanned plane fails or is damaged, the corresponding component can be conveniently disassembled and replaced, improving the operation efficiency and service life of the unmanned plane.

[0035] The utility model discloses a kind of multi-rotor safety unmanned planes, with rotor anti-collision protection and landing buffer protection function, effectively reduce the possibility of damage of unmanned plane in flight and landing process, improve the security and service life of unmanned plane, simultaneously, the design of connecting seat and arm support rod also facilitates subsequent maintenance and replacement, with wide application prospect.

[0036] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of technical features; and these modifications or replacements do not make the essence of corresponding technical solutions deviate from the spirit and scope of the technical solutions of the utility model embodiments.

Claims

1. A multi-rotor safe drone comprising a drone body (1), characterized in that: The unmanned aerial vehicle body (1) is fixedly connected with a plurality of connecting seats (2) and is connected with arm support rods (3) through the connecting seats (2), one end of the arm support rod (3) is fixedly connected with a motor fixing seat (4), a driving motor (5) is installed in the motor fixing seat (4), an output end of the driving motor (5) is provided with a rotor (6), an anti-collision protection mechanism (7) is arranged outside the motor fixing seat (4), and a supporting vertical rod (8) is slidably connected to the bottom of the arm support rod (3).

2. The multi-copter safe drone according to claim 1, wherein: The number of the connecting seats (2) is not less than four and is an even number, and a plurality of the connecting seats (2) are symmetrically distributed on both sides of the unmanned aerial vehicle body (1).

3. The multi-copter safe drone according to claim 2, wherein: One end of the arm support rod (3) is inserted into the connecting seat (2), and the arm support rod (3) is in interference fit with the connecting seat (2).

4. The multi-copter safe drone of claim 1, wherein: The anti-collision protection mechanism (7) comprises a plurality of bent links (701) fixedly connected with the motor fixing seat (4), and one end of each of the plurality of bent links (701) is fixedly connected with an arc-shaped anti-collision rod (702).

5. The multi-copter safe drone according to claim 4, wherein: The number of the bent links (701) is not less than three and is uniformly distributed outside the motor fixing seat (4), and one end of the bent link (701) away from the motor fixing seat (4) is bent upward and obliquely.

6. The multi-copter safe drone according to claim 4, wherein: The arc-shaped anti-collision rod (702) is a hollow structure and is located outside the rotor (6).

7. The multi-copter safe drone according to claim 1, wherein: The supporting vertical rod (8) is integrally connected with a sliding block (10) at the top end, and the bottom of the arm support rod (3) is provided with a guide sliding groove (11) for sliding of the sliding block (10).

8. The multi-copter safe drone of claim 7, wherein: The arm support rod (3) is a hollow structure adapted to sliding of the sliding block (10), and a cross section of the guide sliding groove (11) at the bottom of the arm support rod (3) is T-shaped.

9. The multi-copter safe drone according to claim 1, wherein: The landing buffer protection mechanism (9) comprises a connecting block (901) fixedly sleeved outside the supporting vertical rod (8) and a sliding ring (902) slidably sleeved outside the supporting vertical rod (8), a supporting base (903) is arranged below the supporting vertical rod (8), the supporting base (903) and the sliding ring (902) are fixedly connected through a side connecting rod (904), and the supporting base (903) and the connecting block (901) are connected through a buffer spring (905).

10. The multi-copter safe drone of claim 9, wherein: The sliding ring (902) is located above the connecting block (901), and the buffer spring (905) is sleeved outside the supporting vertical rod (8).

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