CN-224225312-U - Unmanned aerial vehicle device capable of reducing airflow resistance

Abstract

The utility model discloses an unmanned aerial vehicle device capable of reducing airflow resistance, which comprises a machine body, a machine arm and paddle wings, wherein the machine arm is positioned on the same horizontal plane and correspondingly arranged at four corners of the machine body, the ends of the machine arm, which are far away from the machine body, are connected with propelling blocks, the paddle wings are arranged at the tops of the propelling blocks, a storage groove is formed in the middle inner bottom of the machine body, a folding mechanism is arranged in the storage groove, the folding mechanism comprises a landing gear and a rotating motor, two groups of fixing blocks are correspondingly fixed at the tops of the storage groove, fixing rods are fixedly arranged between the two groups of fixing blocks, two groups of connecting rods are rotatably arranged on the fixing rods, the landing gear is hinged to the ends of the connecting rods, which are far away from the fixing rods, and support blocks fixed at the tops of the storage groove are respectively arranged at the outer sides of the two groups of the fixing blocks, and the rotating motor is fixed on the support blocks. The utility model belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle device capable of reducing airflow resistance.

Inventors

• ZHANG YANXIANG
• WANG TAO

Assignees

• 云南逸博科技有限公司

Dates

Publication Date

20260512

Application Date

20250507

Claims (6)

1. 1. The unmanned aerial vehicle device capable of reducing airflow resistance comprises a machine body (1), a machine arm (2) and paddle wings (3), and is characterized in that the machine arm (2) is located on the same horizontal plane and correspondingly arranged at four corners of the machine body (1), a propulsion block (4) is connected to the end part, far away from the machine body (1), of the machine arm (2), the paddle wings (3) are arranged at the top of the propulsion block (4), a storage groove (5) is formed in the middle inner bottom of the machine body (1), and a folding mechanism (6) is arranged in the storage groove (5); Wherein, folding mechanism (6) include undercarriage (7) and rotating electrical machines (8), accomodate groove (5) top correspondence and be fixed with two sets of fixed blocks (9), two sets of fixed mounting has dead lever (10) between fixed block (9), rotate on dead lever (10) and install two sets of connecting rod (11) that are certain inclination, undercarriage (7) articulates the tip of keeping away from dead lever (10) at connecting rod (11), two sets of the outside of fixed block (9) is provided with respectively and fixes supporting shoe (12) at accomodating groove (5) top, rotating electrical machines (8) are fixed on supporting shoe (12), the output of rotating electrical machines (8) rotates and passes supporting shoe (12), and is connected with rocking handle (13), rocking handle (13) free end removes to set up on connecting rod (11).
2. 2. The unmanned aerial vehicle device capable of reducing air flow resistance according to claim 1, wherein an arc-shaped groove (14) communicated with the containing groove (5) is formed in the bottom of the body (1), and the connecting rod (11) is rotatably arranged in the arc-shaped groove (14).
3. 3. The unmanned aerial vehicle device capable of reducing air flow resistance according to claim 2, wherein the connecting rod (11) is provided with a limiting groove (15), the free end of the rocking handle (13) is connected with a sliding block, and the sliding block is arranged in the limiting groove (15) in a sliding manner and is connected with the limiting groove (15) of the connecting rod (11) in a sliding pair.
4. 4. The unmanned aerial vehicle device capable of reducing air flow resistance according to any one of claims 1 to 3, wherein transverse grooves (16) are correspondingly formed in two sides of the main body (1), the transverse grooves (16) are respectively communicated with the containing grooves (5) and the arc-shaped grooves (14), and the landing gear (7) is attached to and contained in the transverse grooves (16).
5. 5. The unmanned aerial vehicle device for reducing air flow resistance according to claim 4, wherein the middle part of the main body (1) is in streamline transition, and the front and rear ends of the main body (1) are in bullet shape.
6. 6. The unmanned aerial vehicle device capable of reducing air flow resistance according to claim 1, wherein the four groups of the horn (2) are symmetrically distributed in an X shape, and the axis of each horn (2) forms an included angle of 45 degrees with the longitudinal axis of the fuselage (1).

Description

Unmanned aerial vehicle device capable of reducing airflow resistance Technical Field The utility model belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle device capable of reducing airflow resistance. Background Unmanned aerial vehicle technology has developed fast in recent years, and is widely applied to the fields of military reconnaissance, logistics transportation, agricultural plant protection and the like. Along with the improvement of unmanned aerial vehicle performance demand, reduce air current resistance becomes the key problem that improves flight efficiency, extension duration. The appearance design of traditional unmanned aerial vehicle device is square usually, and the edges and corners position of square fuselage forms the air current separation easily, produces a large amount of vortex, increases air current resistance, and in addition, unmanned aerial vehicle's undercarriage is in the state of exposing in the flight usually, and its irregular shape and great windward area also can produce extra air current resistance, influences unmanned aerial vehicle's flight performance. Disclosure of utility model In order to solve the problem that the appearance design of the traditional unmanned aerial vehicle device is generally square to increase the airflow resistance and the landing gear of the unmanned aerial vehicle also generates additional airflow resistance, the utility model provides the unmanned aerial vehicle device capable of reducing the airflow resistance. In order to realize the functions, the unmanned aerial vehicle device capable of reducing airflow resistance comprises a machine body, a machine arm and paddle wings, wherein the machine arms are positioned on the same horizontal plane and are correspondingly arranged at four corners of the machine body, the end parts of the machine arms, which are far away from the machine body, are connected with propulsion blocks, the paddle wings are arranged at the tops of the propulsion blocks, a storage groove is formed in the middle inner bottom of the machine body, and a folding mechanism is arranged in the storage groove; The folding mechanism comprises a landing gear and a rotating motor, two groups of fixing blocks are correspondingly fixed on the top of the storage groove, a fixing rod is fixedly installed between the two groups of fixing blocks, two groups of connecting rods with certain inclination angles are rotatably installed on the fixing rod, the landing gear is hinged to the end part of the connecting rod, which is far away from the fixing rod, the outer sides of the fixing blocks are respectively provided with a supporting block fixed on the top of the storage groove, the rotating motor is fixed on the supporting blocks, the output end of the rotating motor rotates to penetrate through the supporting blocks, a rocking handle is connected with, and the free end of the rocking handle is movably arranged on the connecting rod. As a preferable technical scheme of the utility model, the bottom of the machine body is provided with an arc-shaped groove communicated with the storage groove, and the connecting rod is rotatably arranged in the arc-shaped groove. As a preferable technical scheme of the utility model, the connecting rod is provided with a limit groove, the free end of the rocking handle is connected with a sliding block, and the sliding block is arranged in the limit groove in a sliding way and is connected with the limit groove of the connecting rod to form a sliding pair. As a preferable technical scheme of the utility model, transverse grooves are correspondingly formed in two sides of the machine body, the transverse grooves are respectively communicated with the accommodating grooves and the arc-shaped grooves, and the landing gear is accommodated in the transverse grooves in a fitting manner. As a preferable technical scheme of the utility model, the middle part of the machine body is in streamline transition, and the front end and the rear end of the machine body are bullet heads. As a preferable technical scheme of the utility model, the four groups of the machine arms are symmetrically distributed in an X shape, and the axes of the machine arms and the longitudinal axis of the machine body form an included angle of 45 degrees. Compared with the prior art, the utility model has the following beneficial effects by adopting the structure: 1. Through the streamline transition in the middle of the fuselage and the arrangement of front and rear terminal bullet heads, the aerodynamic performance is further optimized, the front end sharp cone can effectively puncture air vortex, the rear part gradually reduces to avoid wake turbulence, compared with the existing fuselage with a conventional shape, the aerodynamic resistance can be greatly reduced, the unmanned aerial vehicle can fly more smoothly, the energy consumption is lower, and the overall flying perfor