WO2018108148A1

WO2018108148A1 - Unmanned aerial vehicle

Info

Publication number: WO2018108148A1
Application number: PCT/CN2017/116455
Authority: WO
Inventors: 黄立; 吴晗; 王刚; 王效杰; 顾兴; 刘华斌
Original assignee: 普宙飞行器科技（深圳）有限公司
Priority date: 2016-12-16
Filing date: 2017-12-15
Publication date: 2018-06-21
Also published as: CN206367576U

Abstract

An unmanned aerial vehicle, comprising a fuselage (1) and multiple arms (2) disposed at left and right sides of the fuselage (1), said unmanned aerial vehicle also comprising a sliding mechanism; open grooves (3,11) are provided on the fuselage (1); the sliding mechanism comprises: slides (5, 7, 13, 15) provided in the open grooves (3, 11); when the unmanned aerial vehicle is in operation, the arms (2) slide along the slides (5, 7, 13, 15) and thereby extend out of the open grooves (3, 11) of the fuselage (1); when the unmanned aerial vehicle is not in operation, the arms (2) slide along the slides (5, 7, 13, 15) and thereby retract within the open grooves (3, 11) of the fuselage. The present unmanned aerial vehicle has a a compact structure and takes up little space, and can greatly decrease volume when in a non-operating state, facilitating a user storing, holding, carrying and transporting the unmanned aerial vehicle.

Description

Drone

Technical field

The invention relates to the technical field of drones, and in particular to a drone with a sliding arm.

Background technique

Unmanned aerial vehicles are unmanned aerial vehicles that are operated by radio remote control equipment and self-contained program control devices. Most of them are currently used in conjunction with shooting equipment for inspection and aerial photography. However, most of the conventional drones are not foldable or irregularly shaped by rotating and folding, and the occupied space is still large, which is not conducive to the miniaturization of the size of the drone, thereby causing inconvenience to the user when carrying and storing.

Therefore, how to better reduce the volume of the drone when it is not working is the direction of continuous optimization and development of the drone industry.

technical problem

The object of the present invention is to provide a drone, which has a compact structure and a small occupied space, and can greatly reduce the volume when it is not in operation, and is convenient for the user to store, store, carry and transport.

Technical solution

In order to solve the above technical problem, the present invention provides a drone, including a fuselage and a plurality of arms disposed on the left and right sides of the fuselage, the drone further including a slide rail mechanism; An open slot; the slide mechanism includes: a slide rail disposed in the open slot; when the drone is in operation, the arm slides along the slide rail to extend to the machine Outside the open slot of the body; when the drone is not working, the arm slides along the slide rail to contract into the open slot of the fuselage.

Preferably, the open slot is opened at a side end of the fuselage.

Preferably, the arm is provided with a sliding slot that cooperates with the sliding rail.

Preferably, the chute is disposed on an arm near an end of the body.

Preferably, the arm is sleeved with the slide rail.

Preferably, the slide rails are arranged in parallel or in a cross arrangement.

Preferably, the slide rails are disposed on the same inner wall or different inner walls of the open slots.

Preferably, the drone further includes a stop mechanism that is in a stable state when the arm is in a deployed or contracted state relative to the body.

Preferably, the stopping mechanism includes: an opening slot disposed on the sliding slot, and a protruding post disposed on the sliding rail; and an opening slot on the sliding slot and a relative sliding between the protruding posts The protrusion is caught in the open slot on the sliding slot, thereby making the arm stable to the unfolded or contracted state of the body.

Preferably, the arm is mounted with a power component capable of providing flight power to the drone, and the power component is slidably contracted to the fuselage by the slide mechanism when the drone is in an inoperative state. Inside the open slot.

Preferably, a foot pad is disposed under the suspension end of the arm.

Beneficial effect

After adopting the above solution, the drone with the sliding arm of the present invention is designed according to the above structure, and during the operation, each of the arm and the fuselage is deployed to ensure that the drone can fly smoothly, and Under working condition, at least one pair of arms can be trapped inside the fuselage, or all the arms are contracted inside the fuselage, not exceeding the outer boundary of the fuselage, so that the size of the drone is greatly reduced, which is convenient for the user to The machine is stored, stored, carried and transported.

DRAWINGS

1 is a schematic perspective view showing the unfolded state of the unmanned aerial vehicle according to the first embodiment of the present invention;

2 is a schematic perspective view showing the unfolded state of the unmanned aerial vehicle according to the second embodiment of the present invention;

3 is a bottom perspective view showing the unfolded state of the unmanned aerial vehicle according to the second embodiment of the present invention;

4 is a schematic bottom view showing the contraction state of the second embodiment of the drone of the present invention;

Figure 5 is a perspective view showing the three-dimensional structure of the unmanned aerial vehicle according to the third embodiment of the present invention;

Figure 6 is a bottom perspective view showing the unfolded state of the drone embodiment of the present invention;

7 is a schematic structural view of a stop mechanism of a third embodiment of the drone of the present invention;

Figure 8 is a perspective view showing the three-dimensional structure of the fourth embodiment of the drone of the present invention;

FIG. 9 is a schematic perspective view showing the three-dimensional structure of the fourth embodiment of the drone of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

The invention is illustrated below in accordance with the embodiments shown in the drawings. The disclosed embodiments are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is defined by the scope of the claims, and the scope of the claims and the scope of the claims.

FIG. 1 is a perspective view showing the three-dimensional structure of the unmanned aerial vehicle according to the first embodiment of the present invention, including a fuselage 1, a plurality of arms 2 disposed on the left and right sides of the body 1, and a slide mechanism. 2 is provided as two pairs, the fuselage 1 is provided with an open slot, and the slide rail mechanism comprises a slide rail disposed in the open slot. When the drone is in operation, the arm 2 slides along the slide rail to protrude out of the open slot of the fuselage; when the drone is not working, the arm 2 Sliding along the slide rail to contract into the open slot of the fuselage.

The open slot is defined at a side end of the airframe 1 . Specifically, the open slot includes a first open slot 3 disposed at a front end of the airframe 1 . The slide rail includes a first open slot 3 . a first slide rail 5 on the side inner wall; at the same time, a first chute engaged with the first slide rail 5 is disposed on the right end of the lower surface of the front left side arm 2 (ie, the end adjacent to the fuselage 1) In this embodiment, the cross-sectional shape of the first opening groove 3 is a square shape, and penetrates the left and right sides of the body 1. The first sliding groove 4 is an open groove having a T-shaped cross section and extending in the left-right direction. The first slide rail 5 is a rib having a T-shaped cross section and extending in the left-right direction. The first sliding slot 4 is slidably disposed on the first sliding rail 5. When the drone is working normally, the first sliding slot 4 at the right end of the arm 2 slides to the left along the first sliding rail 5, so that the arm 2 extends Out of the first opening slot 3 of the fuselage 1, thereby causing the arm 2 and the fuselage 1 to be in an unfolded state, and when the drone is in an inoperative state, the first chute 4 is along the first sliding rail 5 Sliding to the right, thereby causing the arm 2 to contract into the first opening slot 3 and not to exceed the outer edge of the body 1;

The slide rail mechanism further includes a second slide rail 7 disposed on the inner wall of the upper side of the first open slot 3; meanwhile, the left end of the upper surface of the front right arm 2 (ie, the end adjacent to the fuselage 1) is disposed There is a second sliding slot 6 that cooperates with the second sliding rail 7. In this embodiment, the second sliding slot 6 is an open slot with an inverted T-shaped cross section and extending in the left-right direction, and the second sliding rail 7 is horizontal. The cross section is an inverted T-shaped rib extending in the left-right direction. The second chute 6 is slidably coupled to the second sliding rail 7. When the drone is working normally, the second chute 6 at the left end of the arm 2 slides to the right along the second sliding rail 7, so that the arm 2 extends Out of the first opening slot 3 of the fuselage 1, thereby causing the arm 2 and the fuselage 1 to be in an unfolded state, and when the drone is in a non-operating state, the second chute 6 is along the second sliding rail 7 The first sliding rail 5 and the second sliding rail 7 are respectively disposed at the first position. Different wall surfaces of the open groove 3 may be disposed on the same wall surface, but the first slide rail 5 and the second slide rail 7 are prevented from being disposed on the same rail as much as possible, and thus may be selected to be arranged in parallel.

A power component that can provide flight power to the drone is mounted on each of the four arms 2. The power assembly includes a power mechanism 8 fixed to the arm 2 and a blade-foldable propeller 9 driven by the power mechanism 8, wherein the power mechanism can select a motor. Each of the power mechanisms 8 is fixed to the suspension ends of the four arms 2, respectively. Each of the lower ends of the suspension ends of the arms 2 is provided with a foot pad 10, respectively. The bottom surfaces of all the foot pads 10 must be flush, and all the foot pads 10 protrude from the left and right sides of the body 1 for buffering and supporting when the drone is dropped or placed.

In operation, when the drone is in flight, the two arms 2 on the left and right sides of the front pass through the first chute 4 and the first rail 5, the second chute 6, and the second rail 7 respectively. Slide out to the outside of the fuselage 1, so that both arms 2 and the fuselage 1 are in an unfolded state, and the two arms 2 on the rear side are kept in an unfolded state; and when the drone is in a non-flying state, it is located The two arms 2 on the left and right sides of the front portion are respectively contracted into the first opening slots 3 of the body 1 through the first sliding slot 4 and the first sliding rail 5, the second sliding slot 6, and the second sliding rail 7, respectively. At the same time, the blades of the propeller 9 are also contracted, and the random arm 2 of the power component is slid and contracted in the first opening slot 3, and does not exceed the boundary of the body 1, thereby greatly reducing the volume of the drone.

FIG. 2, FIG. 3 and FIG. 4 are schematic diagrams showing a three-dimensional structure of the unfolded state of the unmanned aerial vehicle according to the second embodiment of the present invention, a bottom perspective view of the unfolded state, and a bottom view of the contracted state, which are different from the first embodiment only in the first embodiment. :

The open slot further includes a second open slot 11 disposed at a rear side end of the fuselage 1; the slide rail further includes a third slide rail 13 disposed on an inner wall of a lower side of the second open slot 11, and a rear left side The right end of the lower surface of the arm 2 (ie, the end adjacent to the body 1) is provided with a third sliding slot 12 that cooperates with the third sliding rail 13; in this embodiment, the cross-sectional shape of the second opening slot 11 is The third sliding groove 12 is an open groove having a T-shaped cross section and extending in the left-right direction, and the third sliding rail 13 has a T-shaped cross section and extends in the left-right direction. Ribs. The third chute 12 is slidably disposed on the third slide rail 13. When the drone is working normally, the third chute 12 at the right end of the arm 2 slides to the left along the third slide rail 13 so that the arm 2 extends. Out of the second opening slot 11 of the fuselage 1, thereby causing the arm 2 and the fuselage 1 to be in an unfolded state, and when the drone is in an inoperative state, the third chute 12 is along the third sliding rail 13 Sliding, so that the arm 2 shrinks into the second opening slot 11 and does not exceed the outer edge of the body 1;

In addition, the slide rail mechanism further includes a fourth slide rail 15 disposed on the inner wall of the upper side of the second open slot 11; meanwhile, the left end of the upper surface of the rear right arm 2 (ie, the end adjacent to the fuselage 1) The fourth sliding slot 14 is disposed on the fourth sliding rail 15 . In this embodiment, the fourth sliding slot 14 is an open slot with an inverted T-shaped cross section and extending in the left-right direction, and the fourth sliding rail 15 It is a rib having an inverted T shape in cross section and extending in the left and right direction. The fourth chute 14 is slidably disposed on the fourth sliding rail 15. When the UAV is working normally, the fourth chute 14 at the left end of the arm 2 slides to the right along the fourth sliding rail 15 so that the arm 2 extends. Out of the second opening slot 11 of the fuselage 1, thereby causing the arm 2 and the fuselage 1 to be in an unfolded state, and when the drone is in an inoperative state, the fourth chute 14 is along the fourth sliding rail 15 Sliding to the left, the arm 2 is contracted into the second opening slot 11 and does not exceed the outer edge of the body 1. In this embodiment, the third rail 13 and the fourth rail 15 are respectively disposed at the second opening. The different wall surfaces of the groove 11 may also be disposed on the same wall surface, but the third slide rail 13 and the fourth slide rail 15 are disposed on the same track as far as possible, so that they may be selected to be arranged in parallel or staggered.

In this embodiment, the drone further includes a stop mechanism that stabilizes the four arms 2 and the body 1 when they are in a deployed or contracted state. And the stopping mechanism includes: an opening slot disposed on the sliding slot, and a protruding post disposed on the sliding rail; when the sliding slot on the sliding slot and the protruding column are relatively slid The stud is snapped into the open slot on the chute, thereby causing the arm to be in a stable state when it is in a deployed or contracted state relative to the fuselage.

Specifically, as shown in FIG. 2 and FIG. 7 , the stopping mechanism includes two pairs of protrusions 16 disposed on the left and right sides of the first sliding rail 5 and two openings symmetrically disposed on the left and right ends of the first sliding slot 4 . Each of the pair of protrusions 16 is disposed symmetrically on the front and the rear of the first slide rails 5, and each of the open slot structures includes a third open slot 17 disposed at a left end or a lower end of the first chute 4, the first chute 4 A portion of the left end or the right end located below the third opening slot 17 is symmetrically opened with a pair of C-shaped fourth opening slots 18, and when the first sliding slot 4 slides along the first sliding rail 5 to any pair of the protruding posts 16 The pair of studs 16 are snapped into the pair of fourth opening slots 18 of the first slide rail 4 to stabilize the arm 2 and the body 1.

In operation, when the drone is in flight, as shown in FIG. 2 and FIG. 3, the four arms 2 respectively pass through the first chute 4 and the first rail 5, the second chute 6, and the second rail. 7. The third chute 12 and the third sliding rail 13, the fourth sliding slot 14 and the fourth sliding rail 15 slide out of the fuselage 1 so that the four arms 2 and the fuselage 1 are in an unfolded state; When the human machine is in a non-flying state, as shown in FIG. 4, the four arms 2 pass through the first chute 4 and the first sliding rail 5, the second chute 6, the second sliding rail 7, and the third chute 12, respectively. And the third slide rail 13, the fourth chute 14, and the fourth slide rail 15 are contracted into the first opening groove 3 and the second opening groove 11 of the body 1, and the blades of the propeller 9 of each power assembly are also contracted. Each of the power components is slidably contracted into the first opening slot 3 and the second opening slot 11 along with the corresponding arm 2, and does not exceed the boundary of the body 1, thereby greatly reducing the volume of the drone, and additionally having a stop position The mechanism, therefore, the four arms 2 do not detach from the first opening groove 3 and the second opening groove 11 in the unfolded state or the contracted state, that is, do not leave the body 1.

As shown in FIG. 5 and FIG. 6 , a schematic diagram of a three-dimensional structure of the unfolded state of the unmanned aerial vehicle according to the third embodiment of the present invention and a bottom perspective structure of the unfolded state are shown in FIG. 7 , and most of the structure of the embodiment and the above embodiment are shown in FIG. The structure of the second structure is the same, and the similarities are not described again. The difference is that the first sliding rail 5 and the second sliding rail 7 are both disposed on the rear sidewall of the first opening slot 3, and the first sliding rail 5 and the first sliding rail 5 The two sliding rails 7 are disposed in parallel; the third sliding rail 13 and the fourth sliding rail 15 are both disposed on the front side wall of the second opening slot 11, and the third sliding rail 13 and the fourth sliding rail 15 are disposed in parallel.

The working process of the embodiment is basically the same as the working process of the second embodiment, and details are not described herein again.

FIG. 8 and FIG. 9 are schematic diagrams showing the three-dimensional structure of the unfolded state of the embodiment of the present invention and the three-dimensional structure of the contracted state. Most of the structures in this embodiment are the same as those described in the second embodiment, except that The four arms 2 are slidably coupled to the body 1 by means of a cross-displacement slide mechanism.

The slide rail mechanism comprises a slide rail 19 and an arm 2 disposed on the fuselage 1 near the diagonal position of the fuselage 1. The slide rail 19 is disposed at an angle with the fuselage 1 and extends into the inner cavity of the fuselage 1, the arm 2 The slide is disposed on the slide rail 19. In this embodiment, the slide rail 19 and the arm 2 are sleeved structures. The slide rails 19 of the two slide rail mechanisms disposed at the front of the fuselage 1 are staggered, and the slide rails 19 of the two slide rail mechanisms disposed at the rear of the fuselage 1 are staggered. Open slots 20 are defined in the front and rear ends of the body 1. One ends of the slide rails 19 are respectively opened on the wall of the corresponding opening slot 20, and the other end extends into the inner cavity of the body 1. When the drone is working, the arm 2 slides relative to the slide rail 19 to extend out of the fuselage 1. When the drone is not working, the arm 2 slides and contracts along the slide rail 19 to the slide rail 19 and the open slot 20. .

The advantage of using the staggered arrangement of the arms 2 is to increase the flexibility of adjusting the wheelbase (the wheelbase is the distance from the blade assembly to the other blade assemblies). Under certain conditions, a reasonable wheelbase can be appropriately raised. Aircraft flight performance, including flight stability, flight time and life of power components.

Other embodiments of the invention will be apparent to those skilled in the <RTIgt; The present application is intended to cover any variations, uses, or adaptations of the present invention, which are in accordance with the general principles of the invention and include common general knowledge or common technical means in the art that are not disclosed. The specification and examples are to be considered as illustrative only,

It is to be understood that the invention is not limited to the details of the details of The scope of the invention is limited only by the appended claims.

Claims

An unmanned aerial vehicle includes a fuselage and a plurality of arms disposed on the left and right sides of the fuselage, wherein the drone further includes a slide rail mechanism; the fuselage is provided with an open slot; The slide rail mechanism includes: a slide rail disposed in the open slot; when the drone is in operation, the arm slides along the slide rail to protrude out of the open slot of the fuselage When the drone is not working, the arm slides along the slide rail to shrink into the open slot of the fuselage.
The drone according to claim 1, wherein said open groove is opened at a side end of said body.
The drone according to claim 2, wherein the arm is provided with a sliding groove that cooperates with the slide rail.
The drone according to claim 3, wherein the chute is disposed on an arm near an end of the body.
The drone according to claim 2, wherein the arm is sleeved with the slide rail.
The drone according to claim 2, characterized in that the slide rails are arranged in parallel or in a cross arrangement.
The drone according to claim 6, wherein the slide rails are disposed on the same inner wall or different inner walls of the open slots.
The drone according to claim 1, wherein said drone further comprises a stop mechanism that is in a stable state when said arm is in a deployed or contracted state relative to the body.
The drone mechanism according to claim 8, wherein the stopping mechanism comprises: an opening slot disposed on the sliding slot, and a protruding post disposed on the sliding rail; When the open slot and the stud are relatively slid, the stud is engaged in the open slot on the chute, thereby making the arm stable with the fuselage in a state of being deployed or contracted.
The drone according to any one of claims 1 to 9, wherein a power component capable of providing flight power to the drone is mounted on the arm, and the power component is in a non-manner In the working state, the slide rail mechanism is slidably contracted into the open slot of the fuselage.
The drone according to claim 10, wherein a foot pad is disposed below the suspension end of the arm.