CN210707853U

CN210707853U - Rotor unmanned aerial vehicle's horn and unmanned aerial vehicle

Info

Publication number: CN210707853U
Application number: CN201921570422.7U
Authority: CN
Inventors: 袁冬亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-06-09
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a rotor unmanned aerial vehicle's horn and unmanned aerial vehicle, including flexible arm, flexible arm includes first support arm and second support arm, and first support arm sets up in the inboard and is connected with unmanned aerial vehicle's frame, and the activity of second support arm is pegged graft in the outer end of first support arm, and first support arm internally mounted has rack and micro motor, the one end of rack and the terminal fixed connection of second support arm, and micro motor's top is connected with the gear through the motor shaft transmission, and the gear is connected with the rack transmission. The utility model discloses when depositing or transporting unmanned aerial vehicle, can pull down the round pin axle, through the automatic shrink of rack and pinion drive second support arm, realized after the shrink of second support arm that occupation space is little, carry and transport convenient effect, when unmanned aerial vehicle is flown to needs, rethread rack and pinion drive second support arm automatic extension resets, and whole operation process is simple, convenient, has brought a great deal of convenient experience effect for the user.

Description

Rotor unmanned aerial vehicle's horn and unmanned aerial vehicle

Technical Field

The utility model relates to an aircraft technical field, concretely relates to rotor unmanned aerial vehicle's horn and unmanned aerial vehicle.

Background

Many rotor unmanned aerial vehicle is an unmanned aerial vehicle who has three and above horn, and the outer end of every horn is equipped with the thrust-lifting mechanism who uses motor or engine as the power supply, and it rotates through motor or generator on every horn, drives the rotor to produce thrust-lifting. The collective pitch of rotor is fixed, and is not as variable as ordinary helicopter, through the relative speed who changes between the different rotors, can change the size of unipolar propulsive force, thereby control the orbit of aircraft, many rotor unmanned aerial vehicle can VTOL and hover, mainly be applicable to the low latitude, low-speed, have the task type of VTOL and hover requirement, current multipurpose many rotor unmanned aerial vehicle is owing to need carry out multiple task, so airborne equipment is just many, weight is just big, in order to obtain the lift and the thrust of best effect, need set up a plurality of horn that provide lift thrust, the more lift thrust of horn is the bigger, the load is just bigger. But in the in-service use, have the inconvenient problem that occupies a large space of transportation and placing after increasing horn length to lead to the inflexible problem of transport means selection, caused inconvenience to unmanned aerial vehicle's use.

The patent publication is CN 209241303U's chinese patent discloses a rotor unmanned aerial vehicle's horn and unmanned aerial vehicle, and it sets the horn into flexible arm, can shrink when the transportation is carried and place, but it draws flexible arm through the motor drive capstan winch and contracts, and it only has automatic shrink function, still needs artifical manual with the tensile expansion of flexible arm, makes flexible arm use convenient inadequately.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a rotor unmanned aerial vehicle's horn and unmanned aerial vehicle can contract the unmanned aerial vehicle horn automatically, makes things convenient for accomodating of unmanned aerial vehicle to carry and use.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a rotor unmanned aerial vehicle's horn, includes flexible arm, the inner and unmanned aerial vehicle's the frame of flexible arm are connected, the outer end of flexible arm is equipped with the mount pad, the solid motor that is equipped with on the mount pad, the top transmission of motor is connected with the wing, flexible arm includes first support arm and second support arm, first support arm sets up in the inboard and is connected with unmanned aerial vehicle's frame, second support arm activity is pegged graft in the outer end of first support arm, first support arm internally mounted has rack and micro motor, the rack activity is pegged graft in the inner chamber of first support arm, just the one end of rack and the terminal fixed connection of second support arm, micro motor fixed mounting is in the inner chamber of first support arm, micro motor's top is connected with the gear through the motor shaft transmission, the gear is connected with the rack transmission.

As a preferred technical scheme of the utility model, the outer end of first support arm and the inner of second support arm are equipped with the pinhole that corresponds each other respectively, it has the round pin axle to peg graft in the pinhole.

As a preferred technical scheme of the utility model, the outer end of first support arm is equipped with the inside turn-ups, the inner of second support arm is equipped with the flanging.

As an optimized technical scheme of the utility model, micro motor installs in the middle part position of first support arm inner chamber.

The utility model also provides an unmanned aerial vehicle, unmanned aerial vehicle includes as above rotor unmanned aerial vehicle's horn.

As a preferred technical scheme of the utility model, the horn is provided with a plurality of, and is a plurality of horn evenly distributed is in the outer lane of frame, just the cover is equipped with the sleeve pipe on the horn, the sheathed tube both sides all are provided with the connecting hole, and are adjacent be connected with the arc pole through the connecting hole between the sleeve pipe on the horn.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

the utility model discloses when depositing or transporting unmanned aerial vehicle, can pull down the round pin axle, through the automatic shrink of rack and pinion drive mechanism drive second support arm, realized after the shrink of second support arm that occupation space is little, carry and transport convenient effect, when needing to fly away unmanned aerial vehicle, rethread rack and pinion drive mechanism drive the automatic extension of second support arm and reset, and whole operation process is simple, convenient, has brought a great deal of convenient experience effect for the user; install between the adjacent horn and be used for reinforced (rfd) arc pole, the steadiness of multiplicable horn makes unmanned aerial vehicle flight more stable.

Drawings

FIG. 1 is a schematic structural view of the boom of the present invention;

FIG. 2 is a cross-sectional view of the horn of the present invention;

FIG. 3 is a schematic view of the connection between the arms of the present invention;

wherein: 1. a telescopic arm; 2. a first support arm; 3. a second support arm; 4. a mounting seat; 5. a motor; 6. an airfoil; 7. a pin shaft; 8. a sleeve; 9. connecting holes; 10. a rack; 11. a micro motor; 12. a gear; 13. an arc-shaped rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

Referring to fig. 1-2, a horn of a rotor unmanned aerial vehicle comprises a telescopic boom 1, the inner end of the telescopic boom 1 is connected with a frame of the unmanned aerial vehicle, the outer end of the telescopic boom 1 is provided with a mounting seat 4, a motor 5 is fixedly arranged on the mounting seat 4, the top of the motor 5 is in transmission connection with a wing 6, the telescopic boom 1 comprises a first support arm 2 and a second support arm 3, the first support arm 2 is arranged at the inner side and is connected with the frame of the unmanned aerial vehicle, the second support arm 3 is movably inserted in the outer end of the first support arm 2, a rack 10 and a micro motor 11 are arranged in the first support arm 2, the rack 10 is movably inserted in the inner cavity of the first support arm 2, one end of the rack 10 is fixedly connected with the tail end of the second support arm 3, the micro motor 11 is fixedly arranged in the inner cavity of the first support arm 2, the top of the micro motor 11 is connected with a gear 12 through a motor shaft in a transmission way, and the gear 12 is connected with the rack 10 in a transmission way.

The outer end of the first support arm 2 and the inner end of the second support arm 3 are respectively provided with a corresponding pin hole, and a pin shaft 7 is inserted in the pin holes and used for fixing the first support arm 2 and the second support arm 3 so as to ensure firm connection.

The outer end of the first support arm 2 is provided with an inner flanging, and the inner end of the second support arm 3 is provided with an outer flanging for limiting and preventing the first support arm 2 and the second support arm 3 from falling off.

The micro motor 11 is installed in the middle of the inner cavity of the first support arm 2, so that when the second support arm 3 contracts, the front end of the inner cavity is used for accommodating the second support arm 3, and the rear end of the inner cavity has enough space for accommodating the rack 10.

Specifically, when depositing or transporting unmanned aerial vehicle, at first pull down round pin axle 7, open micro motor 11, motor drive gear 12 rotates, gear 12 drives rack 11 and removes to the rear end, thereby the shrink is moved after driving second support arm 3, get into in the inner chamber of first support arm 2, when unmanned aerial vehicle is flown to needs, open micro motor 11 once more, the motor reversal, through 3 antedisplacement automatic extensions resets of rack and pinion drive second support arm, later insert round pin axle 7 again and fix can.

Example 2

Referring to fig. 3, a drone includes a horn of the rotary wing drone in embodiment 1.

The horn is provided with a plurality of, and a plurality of horn evenly distributed is in the outer lane of frame, and the cover is equipped with sleeve pipe 8 on the horn, and sleeve pipe 8's both sides all are provided with connecting hole 9, are connected with arc pole 13 through connecting hole 9 between the sleeve pipe 8 on the adjacent horn.

Install between the adjacent horn and be used for reinforced (rfd) arc 13, the steadiness of multiplicable horn makes unmanned aerial vehicle flight more stable.

The embodiments of the present invention are not limited to the above embodiments, and according to the contents of the above embodiments of the present invention, the above preferred embodiments can also make modifications, replacements or combinations of other forms by using conventional technical knowledge and conventional means in the field without departing from the basic technical idea of the present invention, and the obtained other embodiments all fall within the scope of the present invention.

Claims

1. The horn of the rotor unmanned aerial vehicle comprises a telescopic boom (1) and is characterized in that the inner end of the telescopic boom (1) is connected with a frame of the unmanned aerial vehicle, a mounting seat (4) is arranged at the outer end of the telescopic boom (1), a motor (5) is fixedly arranged on the mounting seat (4), a wing (6) is connected with the top of the motor (5) in a transmission manner, the telescopic boom (1) comprises a first support arm (2) and a second support arm (3), the first support arm (2) is arranged at the inner side and is connected with the frame of the unmanned aerial vehicle, the second support arm (3) is movably inserted into the outer end of the first support arm (2), a rack (10) and a micro motor (11) are arranged inside the first support arm (2), the rack (10) is movably inserted into the inner cavity of the first support arm (2), and one end of the rack (10) is fixedly connected with the tail end of the second support arm (3), the miniature motor (11) is fixedly arranged in the inner cavity of the first support arm (2), the top of the miniature motor (11) is connected with a gear (12) through a motor shaft in a transmission manner, and the gear (12) is in transmission connection with the rack (10).

2. The horn of a rotary-wing unmanned aerial vehicle of claim 1, wherein the outer end of the first support arm (2) and the inner end of the second support arm (3) are provided with corresponding pin holes respectively, and a pin (7) is inserted into the pin holes.

3. The horn of a rotary-wing unmanned aerial vehicle of claim 1, wherein the outer end of the first support arm (2) is provided with an inner flange, and the inner end of the second support arm (3) is provided with an outer flange.

4. The horn of a rotary-wing drone according to claim 1, characterised in that the micro-motor (11) is mounted in the middle of the inner cavity of the first arm (2).

5. A drone, characterized in that it comprises a horn of a rotary-wing drone according to any one of claims 1 to 4.

6. The unmanned aerial vehicle of claim 5, wherein the horn is provided with a plurality of horns, the horns are uniformly distributed on the outer ring of the frame, the horn is sleeved with a sleeve (8), both sides of the sleeve (8) are provided with connecting holes (9), and an arc-shaped rod (13) is connected between the sleeves (8) on the adjacent horns through the connecting holes (9).