阅读说明：本技术 一种无人机 (Unmanned aerial vehicle ) 是由 王世娇 王海峰 章晓眉 朱建华 李奇志 于 2019-09-30 设计创作，主要内容包括：本发明涉及飞行器,尤其涉及一种无人机。本发明提供了一种无人机,解决了现有技术中垂直起降的无人机起降作业时容易对机体造成冲击造成机体损坏的技术问题。与现有技术相比本发明的优点是：筒部、滑杆及活塞的设置使得无人机在垂直降落时,支脚接触地面后具有一定的缓冲性能,从而减小了无人机在垂直降落时的冲击,提高了无人机的稳定性能。弹簧的设置起到缓冲功能,当筒部、滑杆及活塞的缓冲性能不足以形成有效的缓冲时,弹簧起到辅助作用,优化了无人机垂直降落时的缓冲性能。(The invention relates to an aircraft, in particular to an unmanned aerial vehicle. The invention provides an unmanned aerial vehicle, which solves the technical problem that the unmanned aerial vehicle which vertically takes off and lands in the prior art is easy to impact a machine body to cause damage to the machine body during taking off and landing operations. Compared with the prior art, the invention has the advantages that: the setting up of section of thick bamboo portion, slide bar and piston makes unmanned aerial vehicle when the perpendicular descending, has certain shock-absorbing capacity behind the stabilizer blade contact ground to reduce the impact of unmanned aerial vehicle when the perpendicular descending, improved unmanned aerial vehicle's stability ability. The setting of spring plays buffer function, and when the buffer performance of section of thick bamboo portion, slide bar and piston was not enough to form effectual buffering, the spring played the additional action, had optimized the buffer performance when unmanned aerial vehicle descends perpendicularly.)

1. The utility model provides an unmanned aerial vehicle, includes organism (1) and sets up stabilizer blade (2) on the organism (1), its characterized in that: the supporting legs (2) are at least three, the central point of at least three supporting legs (2) which are enclosed into a regular polygon is positioned on the same straight line with the central point of the machine body (1), the supporting legs (2) comprise a cylinder part (3) which is fixed on the machine body (1), one end of the cylinder part (3) is sealed by the machine body (1), the supporting legs (2) further comprise a sliding rod (4) which is connected in the cylinder part (3) in a sliding manner, one end of the sliding rod (4) which is positioned in the cylinder part (3) is fixedly provided with a piston (5), a buffer space (6) is formed between the piston (5) and the machine body (1) by matching the cylinder part (3) with the piston (5) and the machine body (1), a spring (7) is arranged in the buffer space (6), the spring (7) is fixed on the machine body (1), and one end of the sliding rod (4) which is far away from the piston (5) is, be provided with air pump (9) on organism (1), all be provided with air cock (10) on all stabilizer blades (2), air cock (10) are fixed in on section of thick bamboo portion (3), the lower terminal surface of air cock (10) with the lower terminal surface parallel and level of section of thick bamboo portion (3), air pump (9) through the trachea to air cock (10) air feed, air cock (10) combustion gas blows to keeping away from the direction of organism (1) be provided with control on organism (1) controller (11) of air pump (9) work still be provided with ultrasonic proximity switch (12) on organism (1), ultrasonic proximity switch (12) with controller (11) communication.

2. A drone according to claim 1, characterised in that: a power supply (13) is arranged on the machine body (1), and the air pump (9), the controller (11) and the ultrasonic proximity switch (12) are all powered by the power supply (13).

3. A drone according to claim 1 or claim, characterised in that: ribbed plates (14) are uniformly distributed on the sliding rod (4), the ribbed plates (14) are parallel to the sliding rod (4), the ribbed plates (14) are in contact with the inner side wall of the barrel part (3), and openings (15) for reducing the contact area of the ribbed plates (14) and the barrel part (3) are formed in the ribbed plates (14).

4. A drone according to claim 1, characterised in that: at least three air nozzles (10) are arranged on each cylinder (3), and the air nozzles (10) are uniformly distributed in the circumferential direction of the cylinder (3).

5. A drone according to claim 1, characterised in that: the foot pad (8) and the sliding rod (4) are of an integrated structure, the foot pad (8) is hemispherical, and a rubber pad is bonded on the foot pad (8).

6. A drone according to claim 1, characterised in that: the air pump (9) is fixed on the machine body (1) through screws, the air pump (9) comprises an air inlet, a filtering body for filtering air is arranged in the air inlet, and the filtering body is fixed in the air inlet through screws.

7. A drone according to claim 1, characterised in that: the outer side wall of the barrel part (3) is provided with a reinforcing rib (16), the reinforcing rib (16) and the barrel part (3) are of an integrated structure, and the reinforcing rib (16) is parallel to the barrel part (3).

8. A drone according to claim 1, characterised in that: the spring (7) is fixed on the machine body (1) through a screw, and an assembling part penetrating the screw is bent on the spring (7).

9. A drone according to claim 1, characterised in that: the air nozzle (10) is clamped on the cylinder part (3).

10. A drone according to claim 9, characterised in that: the cylinder part (3) is integrally provided with a snap ring (18) capable of generating elastic deformation, and the snap ring (18) is provided with a mouth part for installing the air nozzle (10).

Technical Field

The invention relates to an aircraft, in particular to an unmanned aerial vehicle.

Background

With the rapid development of science and technology, various aircrafts are applied more and more in the prior art, such as simple aircrafts like unmanned planes. The take-off and landing modes of the large unmanned aerial vehicle are run-up take-off and landing modes, and the take-off and landing modes are not suitable for small unmanned aerial vehicles. For example, unmanned aerial vehicles of amateur aerial photography type take off and land in a vertical take off and land mode.

Disclosure of Invention

The invention provides an unmanned aerial vehicle, which solves the technical problem that the unmanned aerial vehicle which vertically takes off and lands in the prior art is easy to impact a machine body to cause damage to the machine body during taking off and landing operations.

In order to solve the technical problems, the invention is realized by the following technical scheme:

an unmanned aerial vehicle comprises a machine body and support legs arranged on the machine body, wherein the support legs are at least three, the central point of at least three support legs which are enclosed into a regular polygon is positioned on the same straight line with the central point of the machine body, the support legs comprise a cylinder part fixed on the machine body, one end of the cylinder part is sealed by the machine body, the support legs further comprise slide bars which are connected in the cylinder part in a sliding manner, one ends of the slide bars, which are positioned in the cylinder part, are fixedly provided with pistons, buffer spaces are formed between the pistons and the machine body by matching the cylinder part with the pistons and the machine body, springs are arranged in the buffer spaces, the springs are fixedly arranged on the machine body, one ends, which are far away from the pistons, of the slide bars are provided with pad feet, air pumps are arranged on the machine body, air nozzles are respectively arranged on all the support legs, the air nozzles are, the air pump pass through the trachea to the air cock air feed, the air cock combustion gas blows to keeping away from the direction of organism be provided with control on the organism the controller of air pump work still be provided with ultrasonic wave proximity switch on the organism, ultrasonic wave proximity switch with the controller communication.

Preferably, a power supply is arranged on the machine body, and the air pump, the controller and the ultrasonic proximity switch are all powered by the power supply.

Air pump, controller, ultrasonic wave proximity switch have simplified unmanned aerial vehicle's power supply structure by unified power supply, and unmanned aerial vehicle is convenient for maintain.

Preferably, the slide bar is uniformly provided with rib plates, the rib plates are parallel to the slide bar and are in contact with the inner side wall of the barrel part, and the rib plates are provided with openings for reducing the contact area of the rib plates and the barrel part.

The arrangement of the ribbed plates improves the strength of the slide bar and prolongs the service life of the slide bar.

The arrangement of the opening reduces the contact area between the assistant plate and the cylinder part and reduces the resistance of the slide rod in the moving process.

Preferably, each cylinder is provided with at least three air nozzles, and the air nozzles are uniformly distributed in the circumferential direction of the cylinder.

The unmanned aerial vehicle acts steadily when taking off and landing, and the performance of the unmanned aerial vehicle is optimized.

Preferably, the foot pad and the sliding rod are of an integrated structure, the foot pad is hemispherical, and a rubber pad is bonded on the foot pad.

The foot pad has a smaller contact area with the ground, and is favorable for vertical takeoff of the unmanned aerial vehicle.

The rubber pad has certain buffer capacity, has further improved the steadiness ability of unmanned aerial vehicle take off and land process.

Preferably, the air pump is fixed on the machine body through screws, the air pump comprises an air inlet, a filter body for filtering air is arranged in the air inlet, and the filter body is fixed in the air inlet through screws.

The air pump is firmly fixed with the machine body.

The filter body can filter air, and the service life of the air pump is effectively prolonged.

Preferably, the outer side wall of the cylinder part is provided with a reinforcing rib, the reinforcing rib and the cylinder part are of an integral structure, and the reinforcing rib is parallel to the cylinder part.

The arrangement of the reinforcing ribs improves the strength of the cylinder part and prolongs the service life of the cylinder part.

Preferably, the spring is fixed on the machine body through a screw, and an assembling portion through which the screw penetrates is bent on the spring.

The spring is fixed firmly.

The arrangement of the assembling portion is beneficial to the assembly of the spring.

Preferably, the air tap is clamped on the tube part.

The air cock is convenient for change, and unmanned aerial vehicle is convenient for maintain.

Preferably, an elastically deformable snap ring is integrally provided on the cylinder portion, and the snap ring has a mouth portion to which the air faucet is attached.

Compared with the prior art, the invention has the advantages that:

1. the setting up of section of thick bamboo portion, slide bar and piston makes unmanned aerial vehicle when the perpendicular descending, has certain shock-absorbing capacity behind the stabilizer blade contact ground to reduce the impact of unmanned aerial vehicle when the perpendicular descending, improved unmanned aerial vehicle's stability ability.

2. The setting of spring plays buffer function, and when the buffer performance of section of thick bamboo portion, slide bar and piston was not enough to form effectual buffering, the spring played the additional action, had optimized the buffer performance when unmanned aerial vehicle descends perpendicularly.

3. The setting of air pump and air cock mainly plays the effect of supplementary take-off, and when unmanned aerial vehicle takes off perpendicularly, air cock blowout air current utilizes recoil principle supplementary unmanned aerial vehicle to take off perpendicularly.

4. The setting of air pump and air cock plays the effect of supplementary descending, and when unmanned aerial vehicle descends perpendicularly, air cock blowout air current utilizes the recoil principle to assist unmanned aerial vehicle to descend perpendicularly.

5. Ultrasonic wave proximity switch's setting mainly used detects the distance that unmanned aerial vehicle apart from ground, detects opening or closing that this distance can control the air pump effectively, and then when unmanned aerial vehicle takes off perpendicularly or lands perpendicularly, the air pump can in time work, has optimized unmanned aerial vehicle's performance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and it will be apparent to those skilled in the art that other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of an unmanned aerial vehicle according to the present invention.

Fig. 2 is a sectional view of a support leg of an unmanned aerial vehicle according to the present invention.

Detailed Description

In the description of the invention:

controller 11, controller 11 can be unmanned aerial vehicle's flight control system, and perhaps, controller 11 also can be the structure that has logic control ability for a singlechip etc..

The ultrasonic proximity switch 12, the ultrasonic proximity switch 12 being conventional in the art, is readily available to those skilled in the art by purchase.

Organism 1, the organism 1 that refers to unmanned aerial vehicle.

Specific meanings of the terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

The technical scheme of the invention is further described by combining the specific embodiment.