CN210284604U

CN210284604U - Propeller for racing unmanned aerial vehicle

Info

Publication number: CN210284604U
Application number: CN201921212421.5U
Authority: CN
Inventors: 罗佳文
Original assignee: Suzhou Lingsu Electronic Technology Co ltd
Current assignee: Suzhou Lingsu Electronic Technology Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-04-10
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a race for screw for unmanned aerial vehicle relates to the unmanned aerial vehicle field, for solving the problem that current race for unmanned aerial vehicle's among the prior art screw can unexpected damage when flying. First screw is installed to the top of wing, the fixing base is installed to one side of first screw, the lower extreme of fixing base is provided with the mounting disc, the both sides of fixing base all are provided with the engaging lug, the below of mounting disc is provided with the pivot, first motor is installed to the below of pivot, the preceding terminal surface of wing is provided with fastening bolt, fastening bolt's rear end face is provided with the gasket, the second motor is installed to the below of wing, the shaft coupling is installed to the below of second motor, the below of shaft coupling is provided with the second screw, the upper end of second screw is provided with the connecting axle, the centre of connecting rod is provided with the inner ring, one side of spring is provided with the buckle, the upper end of nut is provided with fixed sleeve.

Description

Propeller for racing unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned air vehicle technique field specifically is a screw for unmanned aerial vehicle competes for speed.

Background

The unmanned plane is called unmanned plane for short, and is abbreviated as UAV in English, and is an unmanned plane operated by utilizing a radio remote control device and a self-contained program control device, or is completely or intermittently and autonomously operated by an on-board computer, compared with the piloted plane, the unmanned plane is often more suitable for tasks which are too dull, dirty or dangerous, the unmanned plane can be divided into military use and civil use according to application fields, the unmanned plane enters our visual field in a more cool and stimulating way, namely an FPV unmanned plane racing game, which belongs to future racing sports, extremely fast racing rhythm and harsh buzzing sound, is in the same miraculous with F1 formula racing, and countless neon lamps always make people feel like science fiction movies when flying from the front of eyes.

The FPV is an abbreviation of English First Person View, namely a First Person main View angle, and is a new playing method based on a remote control aviation model or a vehicle model with a wireless camera return device additionally arranged, a screen is viewed on the ground to control the model, the FPV finished machine is few in the market at present, most of FPV finished machines are self-assembled by flyers, and DGP is used for a special race machine for each flyer, but when a propeller of the existing racing unmanned aerial vehicle is accidentally damaged during flying, the race directly fails, and the accidental dropping can generate larger loss; therefore, the market urgently needs to develop a propeller for a racing unmanned aerial vehicle to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a race for unmanned aerial vehicle screw to solve the problem that the current race for unmanned aerial vehicle's screw that proposes in the above-mentioned background art can unexpected damage when flying.

In order to achieve the above object, the utility model provides a following technical scheme: a propeller for a racing unmanned aerial vehicle comprises a racing unmanned aerial vehicle, wherein wings are arranged above, below and on two sides of the racing unmanned aerial vehicle, a first propeller is arranged above the wings, a fixed seat is arranged on one side of the first propeller, a mounting disc is arranged at the lower end of the fixed seat, connecting lugs are arranged on two sides of the fixed seat, a rotating shaft is arranged below the mounting disc, a first motor is arranged below the rotating shaft, a fastening bolt is arranged on the front end surface of the wings, a gasket is arranged on the rear end surface of the fastening bolt, a second motor is arranged below the wings, a coupler is arranged below the second motor, a second propeller is arranged below the coupler, a connecting shaft is arranged at the upper end of the second propeller, a nut is arranged below the second propeller, and a connecting rod is arranged inside the second propeller, the middle of the connecting rod is provided with an inner ring, the inner part of the inner ring is provided with a mounting ring, the inner surface of the inner ring is provided with a spring, one side of the spring is provided with a buckle, and the upper end of the nut is provided with a fixing sleeve.

Preferably, the first propeller is connected with the connecting lug through a fixing screw, the connecting lug and the fixing seat are arranged into an integral structure, and the fixing seat is fixedly connected with the rotating shaft through a mounting disc.

Preferably, the first motor extends into the wing and is fixedly connected with the wing through a fastening bolt, and the second motor extends into the wing and is fixedly connected with the wing through a fastening bolt.

Preferably, the second motor is fixedly connected with the coupler through a fixing screw, and the coupler is connected with the connecting shaft in a welding mode.

Preferably, the connecting shaft extends to the inside of the mounting ring and is fixedly connected with the buckle through a spring, the fixing sleeve is in threaded connection with the connecting shaft, and the nut and the fixing sleeve are arranged into an integral structure.

Preferably, race unmanned aerial vehicle and wing set up structure as an organic whole, race unmanned aerial vehicle's inside is provided with the battery, and the battery respectively with first motor and second motor electric connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a through the setting of first motor and second motor, when using the unmanned aerial vehicle that competes for speed, can use first motor to drive first screw earlier and help the flight to compete for speed, and produce the accident in the match, when first screw or first motor damaged, accessible operating handle opens the second motor, it is rotatory to drive the second screw, thereby can continue to compete for speed, the effectual fault-tolerant rate that has improved, and can prevent to make the unmanned aerial vehicle that competes for speed drop because of first screw damages and arouse bigger loss, and the cost is reduced.

2. The utility model discloses a through the setting of fixing base, the inside engaging lug that has been provided with of mounting structure's fixing base, and the inside rubber that is provided with of engaging lug utilizes the elasticity of rubber like this, and the screw to the first screw of installation that just can to a great extent is fixed for the parcel, will make the installation of first screw more firm like this for the installation of paddle is more firm, makes unmanned aerial vehicle's use safe and reliable more.

3. The utility model discloses a through the setting of collar, through the fixed sleeve of design in inboard fixed buckle of second screw collar and below, be convenient for improve the stability of the connecting axle installation of second screw and shaft coupling, solved the problem that the second screw breaks away from the connecting axle easily after having installed, change when being convenient for the second screw to damage through the buckle of design and fixed sleeve simultaneously, changed inconvenient problem when having solved the second screw and damaging.

Drawings

Fig. 1 is a schematic structural diagram of a wing according to the present invention;

fig. 2 is an internal structural view of a second propeller according to the present invention;

fig. 3 is an internal cross-sectional view of a second propeller of the present invention;

fig. 4 is the utility model discloses a race unmanned aerial vehicle's schematic structure diagram.

In the figure: 1. an airfoil; 2. a first propeller; 3. a fixed seat; 4. mounting a disc; 5. connecting lugs; 6. a rotating shaft; 7. a first motor; 8. fastening a bolt; 9. a gasket; 10. a second motor; 11. a coupling; 12. a second propeller; 13. a connecting shaft; 14. a nut; 15. a connecting rod; 16. an inner ring; 17. a mounting ring; 18. a spring; 19. buckling; 20. fixing the sleeve; 21. unmanned aerial vehicle competes for speed.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: a propeller for a racing unmanned aerial vehicle comprises a racing unmanned aerial vehicle 21, wings 1 are arranged above, below and on two sides of the racing unmanned aerial vehicle 21, a first propeller 2 is arranged above the wings 1, a fixed seat 3 is arranged on one side of the first propeller 2, a mounting disc 4 is arranged at the lower end of the fixed seat 3, connecting lugs 5 are arranged on two sides of the fixed seat 3, a rotating shaft 6 is arranged below the mounting disc 4, a first motor 7 is arranged below the rotating shaft 6, a fastening bolt 8 is arranged on the front end surface of the wings 1, a gasket 9 is arranged on the rear end surface of the fastening bolt 8, a second motor 10 is arranged below the wings 1, a coupler 11 is arranged below the second motor 10, a second propeller 12 is arranged below the coupler 11, a connecting shaft 13 is arranged at the upper end of the second propeller 12, a nut 14 is arranged below the second propeller 12, a connecting rod 15 is arranged inside the second propeller 12, an inner ring 16 is arranged in the middle of the connecting rod 15, a mounting ring 17 is arranged inside the inner ring 16, a spring 18 is arranged on the inner surface of the inner ring 16, a buckle 19 is arranged on one side of the spring 18, and a fixing sleeve 20 is arranged at the upper end of the nut 14.

Further, first screw 2 is connected with engaging lug 5 through the fixed screw, and engaging lug 5 sets up structure as an organic whole with fixing base 3, and fixing base 3 is through mounting disc 4 and 6 fixed connection of pivot, and 3 inside engaging lugs 5 that have been provided with of fixing base of mounting structure, and the inside rubber that is provided with of engaging lug 5 utilize the elasticity of rubber like this, and the screw to installation first screw 2 that just can to a great extent is given the parcel and fixes.

Further, the first motor 7 extends into the wing 1 and is fixedly connected with the wing 1 through the fastening bolt 8, the second motor 10 extends into the wing 1 and is fixedly connected with the wing 1 through the fastening bolt 8, and the stability of the first motor 7 and the second motor 10 is strengthened through the fastening bolt 8.

Further, the second motor 10 is fixedly connected with the coupler 11 through a fixing screw, the coupler 11 is connected with the connecting shaft 13 in a welding mode, and the coupler 11 is driven to rotate through the second motor 10.

Further, the connecting shaft 13 extends to the inside of the mounting ring 17 and is fixedly connected with the buckle 19 through the spring 18, the fixing sleeve 20 is in threaded connection with the connecting shaft 13, the nut 14 and the fixing sleeve 20 are arranged into an integral structure, and the fixing sleeve 20 is arranged on the inner side of the mounting ring 17 of the second propeller 12 and is fixed on the buckle 19 and below, so that the mounting stability of the connecting shaft 13 of the second propeller 12 and the coupling 11 is improved conveniently.

Further, race unmanned aerial vehicle 21 sets up structure as an organic whole with wing 1, and the inside of race unmanned aerial vehicle 21 is provided with the battery, and the battery respectively with first motor 7 and second motor 10 electric connection, provide kinetic energy for first motor 7 and second motor 10 through the battery.

The working principle is as follows: when the racing unmanned aerial vehicle 21 is used, the first motor 7 can be used for driving the first propeller 2 to help flying racing, the connecting lug 5 is arranged inside the fixing seat 3 of the mounting structure, and rubber is arranged inside the connecting lug 5, so that the screw for mounting the first propeller 2 can be wrapped and fixed to a great extent by utilizing the elasticity of the rubber, the first propeller 2 can be mounted more firmly, accidents are generated in a competition, when the first propeller 2 or the first motor 7 is damaged, the second motor 10 can be opened through the operating handle to drive the second propeller 12 to rotate, the mounting stability of the second propeller 12 and the connecting shaft 13 of the coupler 11 can be improved by designing the fixing buckle 19 on the inner side of the mounting ring 17 of the second propeller 12 and the fixing sleeve 20 below, and the problem that the second propeller 12 is easy to separate from the connecting shaft 13 after being mounted is solved, thereby can continue the match, the effectual fault-tolerant rate that has improved, and can prevent to drop because of the damage of first screw 2 makes racing unmanned aerial vehicle 21 and arouse bigger loss.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a screw for unmanned aerial vehicle that competes, includes unmanned aerial vehicle (21) that competes, its characterized in that: wings (1) are arranged on the upper portion, the lower portion and the two sides of the racing unmanned aerial vehicle (21), first propellers (2) are installed on the upper portions of the wings (1), fixing seats (3) are installed on one sides of the first propellers (2), mounting plates (4) are arranged at the lower ends of the fixing seats (3), connecting lugs (5) are arranged on the two sides of the fixing seats (3), rotating shafts (6) are arranged below the mounting plates (4), first motors (7) are installed below the rotating shafts (6), fastening bolts (8) are arranged on the front end faces of the wings (1), gaskets (9) are arranged on the rear end faces of the fastening bolts (8), second motors (10) are installed below the wings (1), couplers (11) are installed below the second motors (10), second propellers (12) are arranged below the couplers (11), the upper end of second screw (12) is provided with connecting axle (13), the below of second screw (12) is provided with nut (14), the inside of second screw (12) is provided with connecting rod (15), the centre of connecting rod (15) is provided with inner ring (16), the inside of inner ring (16) is provided with collar (17), the internally mounted of inner ring (16) has spring (18), one side of spring (18) is provided with buckle (19), the upper end of nut (14) is provided with fixed sleeve (20).

2. The propeller for a racing unmanned aerial vehicle as claimed in claim 1, wherein: first screw (2) are connected with engaging lug (5) through the set screw, engaging lug (5) set up structure as an organic whole with fixing base (3), fixing base (3) are through mounting disc (4) and pivot (6) fixed connection.

3. The propeller for a racing unmanned aerial vehicle as claimed in claim 1, wherein: the first motor (7) extends into the wing (1) and is fixedly connected with the wing (1) through a fastening bolt (8), and the second motor (10) extends into the wing (1) and is fixedly connected with the wing (1) through the fastening bolt (8).

4. The propeller for a racing unmanned aerial vehicle as claimed in claim 1, wherein: the second motor (10) is fixedly connected with the coupler (11) through a fixing screw, and the coupler (11) is connected with the connecting shaft (13) in a welding mode.

5. The propeller for a racing unmanned aerial vehicle as claimed in claim 1, wherein: the connecting shaft (13) extends to the inside of the mounting ring (17) and is fixedly connected with the buckle (19) through the spring (18), the fixing sleeve (20) is in threaded connection with the connecting shaft (13), and the nut (14) and the fixing sleeve (20) are arranged into an integral structure.

6. The propeller for a racing unmanned aerial vehicle as claimed in claim 1, wherein: race for speed unmanned aerial vehicle (21) and wing (1) and set up structure as an organic whole, the inside of racing unmanned aerial vehicle (21) is provided with the battery, and the battery respectively with first motor (7) and second motor (10) electric connection.