Multi-rotor unmanned aerial vehicle

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a multi-rotor unmanned aerial vehicle. Comprising an unmanned aerial vehicle body, the two sides of the unmanned aerial vehicle body are each provided with two right-angle mounting plates which are symmetrically arranged, one side of each right-angle mounting plate is fixedly connected with a connecting bent pipe, the bottom ends of the two connecting bent pipes located on the same side are connected with a supporting rack, a plurality of U-shaped mounting plates are mounted on the outer side of the unmanned aerial vehicle body, and first connecting pipe sleeves are hinged to the U-shaped mounting plates; one end of the first connecting pipe sleeve is connected with an arm supporting rod, a damping type supporting protection mechanism is arranged at the bottom of the arm supporting rod, the end, away from the first connecting pipe sleeve, of the arm supporting rod is connected with a motor fixing base through a second connecting pipe sleeve, a driving motor is installed at the top of the motor fixing base, and rotors are arranged at the output end of the driving motor. By improving the supporting and damping structures of the unmanned aerial vehicle body, the take-off and landing safety and flight stability of the unmanned aerial vehicle are improved, and meanwhile the structural stability and maintenance convenience of the unmanned aerial vehicle are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane technical field especially relates to a multirotor unmanned plane. BACKGROUND

[0002] With the development of science and technology, the unmanned plane technology has been rapidly popularized and applied, especially in the logistics distribution, aerial photography, agricultural plant protection, environmental monitoring, emergency rescue and other fields play an increasingly important role. Multirotor unmanned plane as a common and functional unmanned plane type, due to its relatively simple structure, flexible control, easy to take off and land and other advantages, has been widely welcomed by the market and users.

[0003] However, the existing unmanned plane still has some technical problems and deficiencies in actual use.(1) the existing unmanned plane in the process of taking off and landing, if there is no stable support structure, is easy to be affected by uneven ground or strong wind force, resulting in the unmanned plane losing balance or even damaging.(2) the existing unmanned plane in the process of maintenance and repair, due to the fixed structure, leading to disassembly and assembly is not convenient, increase the maintenance cost and time. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of multirotor unmanned plane, by improving the support and damping structure of unmanned plane body, improve the unmanned plane's take-off safety and flight stability, while enhance the structural stability and maintenance convenience of unmanned plane.

[0005] The utility model employs the technical scheme as follows: a kind of multirotor unmanned plane, including unmanned plane body, the unmanned plane body both sides are equipped with two symmetrical right-angle mounting plates and two right-angle mounting plates one side are fixedly connected with connecting elbow pipe, two the connecting elbow pipe bottom end of the same side is connected with support frame, the unmanned plane body outer side is installed with multiple U-shaped mounting plates, first connecting pipe sleeve is hinged on the U-shaped mounting plate, the first connecting pipe sleeve one end is connected with arm support rod, the arm support rod bottom is equipped with damping type support protection mechanism, the arm support rod is connected with motor fixing seat by second connecting pipe sleeve away from first connecting pipe sleeve one end, the motor fixing seat top is installed with drive motor, the output of drive motor is equipped with rotor.

[0006] As further improvement of the utility model, the support frame bottom is equipped with two rubber rollers rotatably connected therewith.

[0007] As further improvement of the utility model, the arm support rod is hollow structure, the arm support rod both ends are respectively inserted with first connecting pipe sleeve and second connecting pipe sleeve and the arm support rod both ends are respectively with first connecting pipe sleeve and second connecting pipe sleeve interference fit.

[0008] As a further improvement of the utility model, the shock-absorbing type support protection mechanism comprises a T-shaped connecting pipe sleeve sleeved outside the arm support rod, a shock-absorbing assembly is connected to the bottom end of the T-shaped connecting pipe sleeve, a bent support base is connected to the bottom end of the shock-absorbing assembly through a small connecting pipe sleeve, and buffer assemblies are connected to the two ends of the bent support base.

[0009] As a further improvement of the utility model, the T-shaped connecting pipe sleeve is in interference fit with the arm support rod, a connecting column is integrally connected to the middle of the top of the bent support base, the connecting column is inserted into the small connecting pipe sleeve and the connecting column is in interference fit with the bottom end of the small connecting pipe sleeve.

[0010] As a further improvement of the utility model, the shock-absorbing assembly comprises an upper connecting block inserted into the bottom end of the T-shaped connecting pipe sleeve and a lower connecting block inserted into the top end of the small connecting pipe sleeve, the upper connecting block and the lower connecting block are connected through a damping rod and a shock-absorbing spring, and the shock-absorbing spring is sleeved outside the damping rod.

[0011] As a further improvement of the utility model, the upper connecting block is in interference fit with the bottom end of the T-shaped connecting pipe sleeve, and the lower connecting block is in interference fit with the top end of the small connecting pipe sleeve.

[0012] As a further improvement of the utility model, the buffer assembly comprises a guide rod penetrating through the bent support base and being in sliding connection with the bent support base, a support block is fixedly connected to the bottom end of the guide rod, and the support block and the bent support base are connected through a buffer spring.

[0013] As a further improvement of the utility model, the buffer spring is sleeved outside the guide rod, the support block is made of light elastic material and has a circular arc-shaped bottom end.

[0014] The utility model discloses the beneficial effects of (1) the utility model discloses a support frame and rubber roller are set up, in the process that unmanned aerial vehicle takes off and lands, good support and buffer effect are played, the influence of uneven ground or strong wind to unmanned aerial vehicle is reduced, and the take-off safety and flight stability of unmanned aerial vehicle are improved.

[0015] The utility model discloses the beneficial effects of (1) the utility model discloses a support frame and rubber roller are set up, in the process that unmanned aerial vehicle takes off and lands, good support and buffer effect are played, the influence of uneven ground or strong wind to unmanned aerial vehicle is reduced, and the take-off safety and flight stability of unmanned aerial vehicle are improved.

[0016] (2) the utility model discloses a right angle mounting plate, connecting elbow pipe and U-shaped mounting plate are set up and the like structure and the plug-in type connection mode, make the arm support rod and drive motor and the like component can conveniently disassemble and replace, reduce maintenance cost and time, strengthen the maintenance convenience of unmanned aerial vehicle. DRAWINGS

[0017] Figure 1 is a whole structure schematic diagram of a multi-rotor unmanned aerial vehicle of the utility model;

[0018] Figure 2 is a whole structure schematic diagram of a multi-rotor unmanned aerial vehicle of the utility model; Figure 1 another perspective view schematic diagram;

[0019] Figure 3 is a partial structure schematic diagram of a multi-rotor unmanned aerial vehicle of the utility model; Figure 1 ;

[0020] Figure 4 is a partial structure schematic diagram of a multi-rotor unmanned aerial vehicle of the utility model; Figure 3 structure explosion view;

[0021] Figure 5 is a partial structure schematic diagram of a multi-rotor unmanned aerial vehicle of the utility model. Figure 2 .

[0022] As shown in the figure: 1, unmanned aerial vehicle body; 2, right-angle mounting plate; 3, connecting elbow pipe; 4, support frame; 5, U-shaped mounting plate; 6, first connecting pipe sleeve; 7, arm support rod; 8, shock-absorbing type support protection mechanism; 801, T-shaped connecting pipe sleeve; 802, shock-absorbing assembly; 8021, upper connecting block; 8022, lower connecting block; 8023, damping rod; 8024, shock-absorbing spring; 803, small connecting pipe sleeve; 804, curved support base; 805, buffer assembly; 8051, guide rod; 8052, support block; 8053, buffer spring; 806, connecting column; 9, motor fixing seat; 10, driving motor; 11, rotor; 12, rubber roller; 13, second connecting pipe sleeve. DETAILED DESCRIPTION

[0023] 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.

[0024] 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.

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved in the present application more clear and explicit, 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 not used to limit the present application.

[0026] The utility model provides a kind of multi-rotor unmanned aerial vehicle as shown in the accompanying Figures 1-5 As shown in a kind of multi-rotor unmanned aerial vehicle, including unmanned aerial vehicle body 1, it is characterized in that: unmanned aerial vehicle body 1 both sides are equipped with two symmetrical straight angle mounting plates 2 and two straight angle mounting plates 2 one side are fixedly connected with connecting elbow pipe 3, the bottom end of the two connecting elbow pipes 3 located in the same side is connected with support frame 4, unmanned aerial vehicle body 1 outside is equipped with multiple U-shaped mounting plates 5, first connecting pipe sleeve 6 is hinged on U-shaped mounting plate 5, first connecting pipe sleeve 6 one end is connected with arm support 7, arm support 7 bottom is equipped with shock-absorbing type support protection mechanism 8, the end of arm support 7 away from first connecting pipe sleeve 6 is connected with motor fixing seat 9 by second connecting pipe sleeve 13, motor fixing seat 9 top is equipped with driving motor 10, and the output end of driving motor 10 is equipped with rotor 11.

[0027] As Figure 5 As shown in the utility model, the bottom end of support frame 4 is provided with two rubber rollers 12 rotatably connected therewith, so that the unmanned aerial vehicle can move more stably during take-off and landing, reducing friction with the ground. At the same time, the rubber material has good elasticity and wear resistance, further improving the take-off safety and service life of the unmanned aerial vehicle. When the unmanned aerial vehicle needs to land, the rubber roller 12 can absorb the impact force of the ground, play a buffering role, and protect the unmanned aerial vehicle from being damaged.

[0028] As Figure 3 and Figure 4 As shown in the utility model, the arm support 7 is of hollow structure, the two ends of the arm support 7 are respectively inserted into the first connecting pipe sleeve 6 and the second connecting pipe sleeve 13 and are in interference fit with the first connecting pipe sleeve 6 and the second connecting pipe sleeve 13, the structure is simple and easy to operate, and the stable connection between the arm support 7 and the first connecting pipe sleeve 6 and the second connecting pipe sleeve 13 can be ensured, the overall structural stability of the unmanned aerial vehicle is improved, and at the same time, the hollow arm support 7 reduces the weight of the unmanned aerial vehicle, making the unmanned aerial vehicle more flexible during flight and lower energy consumption.

[0029] As Figure 3 and Figure 4As shown, the shock-absorbing support and protection mechanism 8 of this utility model includes a T-shaped connecting tube sleeve 801 sleeved on the outside of the arm support rod 7. The bottom end of the T-shaped connecting tube sleeve 801 is connected to a shock-absorbing component 802. The bottom end of the shock-absorbing component 802 is connected to a curved support base 804 through a small connecting tube sleeve 803. Both ends of the curved support base 804 are connected to buffer components 805. The T-shaped connecting sleeve 801 is interference-fitted with the arm support rod 7. A connecting column 806 is integrally connected to the top center of the curved support base 804. The connecting column 806 is inserted into the small connecting sleeve 803, and the bottom of the connecting column 806 and the small connecting sleeve 803 are interference-fitted. This allows the shock-absorbing support and protection mechanism 8 to effectively absorb and disperse the impact force during the drone's landing, protecting the drone from damage. At the same time, the interference fit between the T-shaped connecting sleeve 801 and the arm support rod 7, as well as the interference fit between the connecting column 806 and the small connecting sleeve 803, ensures a stable connection between the shock-absorbing support and protection mechanism 8 and the arm support rod 7, improving the overall structural stability of the drone.

[0030] like Figure 4 As shown, the shock-absorbing component 802 of this utility model includes an upper connecting block 8021 that is inserted into the bottom end of a T-shaped connecting sleeve 801 and a lower connecting block 8022 that is inserted into the top end of a small connecting sleeve 803. The upper connecting block 8021 and the lower connecting block 8022 are connected by a damping rod 8023 and a shock-absorbing spring 8024, with the shock-absorbing spring 8024 sleeved on the outside of the damping rod 8023. The upper connecting block 8021 is press-fitted to the bottom end of the T-shaped connecting sleeve 801, and the lower connecting block 8022 is press-fitted to the top end of the small connecting sleeve 803, thereby reducing shock... When subjected to impact, component 802 can effectively absorb and disperse the impact force by utilizing the elasticity of damping rod 8023 and shock-absorbing spring 8024, further improving the stability and service life of the UAV during landing. At the same time, the interference fit between the upper connecting block 8021 and the bottom of the T-shaped connecting sleeve 801, and the interference fit between the lower connecting block 8022 and the top of the small connecting sleeve 803, ensure a stable connection between the shock-absorbing component 802 and the T-shaped connecting sleeve 801 and the small connecting sleeve 803, avoiding safety hazards caused by loose connections.

[0031] like Figure 4As shown, the buffer assembly 805 in the utility model includes a guide rod 8051 penetrating through the curved support base 804 and being in sliding connection with the curved support base 804, the bottom end of the guide rod 8051 is fixedly connected with a support block 8052, the support block 8052 and the curved support base 804 are connected through a buffer spring 8053, the buffer spring 8053 is sleeved outside the guide rod 8051, the support block 8052 is made of light elastic material and the bottom end is arc-shaped, so that when the buffer assembly 805 is impacted during the landing process of the unmanned aerial vehicle, the elastic effect of the buffer spring 8053 can be utilized to further absorb and disperse the impact force, and the unmanned aerial vehicle is protected from being damaged, at the same time, the sliding connection of the guide rod 8051 and the curved support base 804 and the light elastic material and the arc-shaped bottom end design of the support block 8052 improve the buffering effect and durability of the buffer assembly 805, and further enhance the flight stability and service life of the unmanned aerial vehicle.

[0032] Working principle: in the specific implementation of the utility model, when the unmanned aerial vehicle needs to take off or land, the operator can start the rotor 11 by controlling the driving motor 10 to generate lift force, so that the unmanned aerial vehicle takes off or lands stably. In the take-off process, the rubber roller 12 can reduce the friction between the unmanned aerial vehicle and the ground, so that the unmanned aerial vehicle can more easily leave the ground. In the landing process, the rubber roller 12 and the shock-absorbing support protection mechanism 8 jointly act to absorb and disperse the impact force of the ground, protecting the unmanned aerial vehicle from being damaged. At the same time, due to the interference fit connection between the arm support rod 7 and the first connecting pipe sleeve 6 and the second connecting pipe sleeve 13, and the setting of the shock-absorbing assembly 802 and the buffer assembly 805, the overall structural stability and service life of the unmanned aerial vehicle are further improved. In addition, when the unmanned aerial vehicle needs to be maintained and repaired, the operator can conveniently disassemble the arm support rod 7, the driving motor 10 and other components, reducing the maintenance cost and time. This plug-in connection mode is not only simple and easy to operate, but also can ensure the stable connection between the components, improving the reliability and safety of the unmanned aerial vehicle.

[0033] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the utility model embodiments.

Claims

1. A multi-copter drone comprising a drone body (1), characterized in that: The unmanned aerial vehicle body (1) is provided with two symmetrical right-angle mounting plates (2) on both sides, and the two right-angle mounting plates (2) are fixedly connected with connecting elbow pipes (3) on one side, the bottom ends of the two connecting elbow pipes (3) on the same side are connected with a support frame (4), a plurality of U-shaped mounting plates (5) are arranged on the outer side of the unmanned aerial vehicle body (1), a first connecting pipe sleeve (6) is hingedly connected to the U-shaped mounting plate (5), a machine arm support rod (7) is connected to one end of the first connecting pipe sleeve (6), a damping type support protection mechanism (8) is arranged at the bottom of the machine arm support rod (7), a motor fixing seat (9) is connected to the end of the machine arm support rod (7) away from the first connecting pipe sleeve (6) through a second connecting pipe sleeve (13), a driving motor (10) is arranged on the top of the motor fixing seat (9), and a rotor (11) is arranged at the output end of the driving motor (10).

2. The multi-copter unmanned aerial vehicle of claim 1, wherein: The bottom end of the support frame (4) is provided with two rubber rollers (12) which are rotationally connected thereto.

3. The multi-copter unmanned vehicle of claim 1, wherein: The machine arm support rod (7) is a hollow structure, and the two ends of the machine arm support rod (7) are respectively inserted into the first connecting pipe sleeve (6) and the second connecting pipe sleeve (13) and are in interference fit with the first connecting pipe sleeve (6) and the second connecting pipe sleeve (13).

4. The multi-copter unmanned vehicle of claim 1, wherein: The damping type support protection mechanism (8) comprises a T-shaped connecting pipe sleeve (801) arranged outside the machine arm support rod (7), a damping assembly (802) connected to the bottom end of the T-shaped connecting pipe sleeve (801), a bent support base (804) connected to the bottom end of the damping assembly (802) through a small connecting pipe sleeve (803), and a buffer assembly (805) connected to the two ends of the bent support base (804).

5. The multi-copter unmanned aerial vehicle of claim 4, wherein: The T-shaped connecting pipe sleeve (801) is in interference fit with the machine arm support rod (7), the top middle part of the bent support base (804) is integrally connected with a connecting column (806), the connecting column (806) is inserted into the small connecting pipe sleeve (803) and is in interference fit with the bottom end of the small connecting pipe sleeve (803).

6. The multi-copter unmanned aerial vehicle of claim 4, wherein: The damping assembly (802) comprises an upper connecting block (8021) inserted into the bottom end of the T-shaped connecting pipe sleeve (801) and a lower connecting block (8022) inserted into the top end of the small connecting pipe sleeve (803), the upper connecting block (8021) and the lower connecting block (8022) are connected through a damping rod (8023) and a damping spring (8024), and the damping spring (8024) is sleeved outside the damping rod (8023).

7. The multi-copter unmanned aerial vehicle of claim 6, wherein: The upper connecting block (8021) is in interference fit with the bottom end of the T-shaped connecting pipe sleeve (801), and the lower connecting block (8022) is in interference fit with the top end of the small connecting pipe sleeve (803).

8. The multi-copter unmanned aerial vehicle of claim 4, wherein: The buffer assembly (805) comprises a guide rod (8051) penetrating through the bent support base (804) and being in sliding connection with the bent support base (804), a support block (8052) is fixedly connected to the bottom end of the guide rod (8051), and the support block (8052) and the bent support base (804) are connected through a buffer spring (8053).

9. The multi-copter unmanned aerial vehicle of claim 8, wherein: The buffer spring (8053) is sleeved outside the guide rod (8051).

10. The multi-copter unmanned aerial vehicle of claim 8, wherein: The support block (8052) is made of light elastic material and has a circular arc bottom end.

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