CN210761261U

CN210761261U - Arm beta structure and unmanned aerial vehicle

Info

Publication number: CN210761261U
Application number: CN201921375077.1U
Authority: CN
Inventors: 官建军; 顾春静; 张鹏; 张超; 杨魁; 王根
Original assignee: Suzhou Flying Intelligent Technology Co ltd
Current assignee: Suzhou Flying Intelligent Technology Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-06-16
Anticipated expiration: 2029-08-22

Abstract

The utility model provides an arm beta structure and unmanned aerial vehicle, arm beta structure include upper junction plate and lower connecting plate, still include horn, rotation axis and slider. Unmanned aerial vehicle includes horn beta structure. The machine arm is rotatably arranged on the rotating shaft, the sliding block is slidably arranged on the machine arm, and in the unfolding state of the machine arm, the sliding block is embedded into a groove between the upper connecting plate and the lower connecting plate to limit the machine arm to rotate around the rotating shaft so as to unfold and fix the machine arm; when the machine arm needs to be folded in a non-use state, the sliding block is slid to be separated from the groove, the limitation of the sliding block on the machine arm is removed, and the machine arm is rotated towards the first direction to fold the machine arm; when the horn needs to be unfolded, the horn is rotated towards a second direction opposite to the first direction, then the sliding block is slid to be embedded into the groove to complete unfolding and fixing of the horn, the horn folding structure is simple, and the folding and unfolding operations of the horn are simple and rapid.

Description

Arm beta structure and unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned air vehicle technique field, concretely relates to horn beta structure and unmanned aerial vehicle.

Background

Because the existence of a plurality of rotors, unmanned aerial vehicle overall structure takes up an area of the space greatly many rotor unmanned aerial vehicle. In the non-user state, for reducing unmanned aerial vehicle occupation of land space, most unmanned aerial vehicle adopts the collapsible structure of horn. The folding structure of the machine arm in the prior art is complex, and the folding and unfolding operations of the machine arm are complex and inconvenient.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that the horn beta structure among the prior art is folded and the complicated inconvenience of expansion operation.

Therefore, the utility model provides an arm beta structure, including upper junction plate and lower connecting plate, still include

The machine arm is suitable for extending between the upper connecting plate and the lower connecting plate;

the upper end and the lower end of the rotating shaft respectively extend into and are fixed on the upper connecting plate and the lower connecting plate; the first end of the machine arm close to the upper connecting plate is rotatably arranged on the rotating shaft;

the sliding block is slidably arranged on the machine arm; at least one of the upper connecting plate and the lower connecting plate is provided with a groove matched with the outer wall surface of the sliding block; in the unfolding state of the machine arm, the sliding block is suitable for being embedded into the groove to limit the rotation of the machine arm around a rotating shaft; in the folded state of the machine arm, the sliding block is separated from the groove, and the machine arm rotates around the rotating shaft to be folded.

Optionally, the above-mentioned folding structure of the horn further includes a connecting shaft; the first end of the connecting shaft extends into the machine arm, and the second end of the connecting shaft is connected with the rotating shaft; the sliding block is sleeved on the connecting shaft and is in sliding connection with the connecting shaft;

the machine arm is provided with a yielding interval for the sliding of the sliding block.

Optionally, the above-mentioned folding structure of the horn further comprises an elastic member; the elastic piece is sleeved on the connecting shaft; a locking piece is arranged at the end part of the first end of the connecting shaft; one end of the elastic piece abuts against the sliding block, and the other end of the elastic piece abuts against the locking piece; in the unfolding state of the machine arm, the elastic piece applies pressure to the sliding block to enable the sliding block to abut against the groove.

Optionally, the above-mentioned horn beta structure still includes the connecting block, the connecting block rotationally overlaps and establishes on the rotation axis, the second end of connecting axle is fixed on the connecting block.

Optionally, in the above folding structure of the boom, one surface of the connecting block facing the connecting shaft is a plane; the second end of the connecting shaft is fixed with the plane to be connected with the rotating shaft.

Optionally, the above-mentioned folding structure of the horn further includes two spacers; the two gaskets are sleeved on the rotating shaft; and are respectively arranged between the horn and the upper connecting plate and between the horn and the lower connecting plate.

Optionally, the above-mentioned folding structure of the horn further comprises a baffle; a first step is arranged at one end of the machine arm far away from the folding direction; in the unfolded state of the horn, the baffle is fixed on the lower connecting plate and clamped on the first step.

Optionally, in the above-mentioned folding structure of the horn, the rotation shaft is a bolt.

Optionally, in the above-mentioned folding structure of the horn, the elastic member is a spring.

The utility model provides an unmanned aerial vehicle, including any one of the above-mentioned horn beta structure.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a horn beta structure, including upper junction plate and lower connecting plate, still include horn, rotation axis and slider. The machine arm is rotatably arranged on the rotating shaft, and in the unfolding state of the machine arm, the sliding block is embedded into the groove between the upper connecting plate and the lower connecting plate to limit the machine arm to rotate around the rotating shaft so as to unfold and fix the machine arm; when the machine arm needs to be folded in a non-use state, the sliding block is slid to be separated from the groove, the limitation of the sliding block on the machine arm is removed, and the machine arm is rotated towards the first direction to fold the machine arm; when the horn needs to be unfolded, the horn is rotated towards a second direction opposite to the first direction, then the sliding block is slid to be embedded into the groove to complete unfolding and fixing of the horn, the horn folding structure is simple, and the folding and unfolding operations of the horn are simple and rapid.

2. The utility model provides an unmanned aerial vehicle, including horn beta structure, the unmanned aerial vehicle of this structure, horn beta structure is simple, and folding and the expansion easy operation of unmanned aerial vehicle horn are swift, and convenient quick storage unmanned aerial vehicle reduces its area.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a folding structure of a boom provided in embodiment 1 of the present invention;

FIG. 2 is an internal schematic view of the folding structure of the arm of FIG. 1;

FIG. 3 is a schematic view of the horn engaging the lower web;

FIG. 4 is a schematic view of the folding structure of the boom when folded;

FIG. 5 is an exploded view of the folding structure of the horn;

description of reference numerals:

11-an upper connecting plate; 12-a lower connecting plate; 13-a groove; 2-a machine arm; 21-yield interval; 3-a rotating shaft; 4-a slide block; 5-a connecting shaft; 6-a spring; 7-a screw; 8-connecting blocks; 9-a gasket; 10-first step.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides an arm folding structure, as shown in fig. 1 to 5, which includes an upper connecting plate 11, a lower connecting plate 12, an arm 2, a rotating shaft 3, and a slider 4.

The mechanical arm 2 is suitable for extending between an upper connecting plate 11 and a lower connecting plate 12, the upper end and the lower end of the rotating shaft 3 respectively extend into and are fixed on the upper connecting plate 11 and the lower connecting plate 12, and the first end of the mechanical arm 2 close to the upper connecting plate 11 is rotatably arranged on the rotating shaft 3; the sliding block 4 is arranged on the machine arm 2 in a sliding mode, and at least one of the upper connecting plate 11 and the lower connecting plate 12 is provided with a groove 13 matched with the outer wall surface of the sliding block 4.

In the folded structure of the machine arm with the structure, in the unfolded state of the machine arm 2, the sliding block 4 is embedded into the groove 13 between the upper connecting plate 11 and/or the lower connecting plate 12 to limit the rotation of the machine arm 2 around the rotating shaft 3, so that the machine arm 2 is unfolded and fixed; when the machine arm 2 is required to be folded in a non-use state, the sliding block 4 is slid to be separated from the groove 13, the limitation of the sliding block 4 on the machine arm 2 is removed, and the machine arm 2 is rotated towards the first direction to fold the machine arm 2; when the horn 2 needs to be unfolded, the horn 2 is rotated towards a second direction opposite to the first direction, then the sliding block 4 is slid to be embedded into the groove 13 to complete unfolding and fixing of the horn 2, the horn folding structure is simple, and the folding and unfolding operations of the horn 2 are simple and rapid.

Specifically, as shown in fig. 2, the folding structure of the horn further includes a connecting shaft 5, an elastic member, and a connecting block 8. The upper plate and the lower plate of the first end of the machine arm 2 are provided with mounting holes for the rotation shaft 3 to penetrate through, the machine arm 2 is sleeved on the rotation shaft 3 through the mounting holes, and the machine arm 2 can rotate around the rotation shaft 3. The connecting block 8 is positioned in the machine arm 2 and rotatably sleeved on the rotating shaft 3 in an inscribed mode, one surface, facing the connecting shaft 5, of the connecting block 8 is a plane, and the second end of the connecting shaft 5 is fixed on the plane, so that the connecting shaft 5 and the connecting block 8 are fixed more firmly. The horn 2 includes an upper plate, a lower plate and a side plate, and the middle part is a cavity structure. The first end of the connecting shaft 5 extends into the cavity of the machine arm 2, the sliding block 4 is sleeved on the connecting shaft 5 and can slide relative to the connecting shaft 5, and the upper plate and the lower plate of the machine arm 2 are provided with strip-shaped abdicating intervals 21 for the sliding block 4 to slide.

Preferably, the upper connecting plate 11 and the lower connecting plate 12 are provided with grooves 13 adapted to the outer wall surface of the slider 4. The elastic part is a spring 6, the locking part is a screw 7, the spring 6 is sleeved on the connecting shaft 5, the screw 7 is inserted and fixed in an inner hole at the first end of the connecting shaft 5, one end of the spring 6 abuts against the sliding block 4, and the other end of the spring abuts against the head of the screw 7. When the machine arm 2 is unfolded, the spring 6 deforms and applies pressure to the sliding block 4 towards the groove 13, so that the upper end and the lower end of the sliding block 4 are tightly abutted in the groove 13, the machine arm 2 is fixed, and the machine arm 2 is prevented from rotating around the rotating shaft 3.

The upper portion and the lower part of rotation axis 3 still overlap and are equipped with gasket 9, and the upper and lower two sides of one of them gasket 9 butt respectively between the upper plate and the upper junction plate 11 of horn 2, and another gasket 9 butt is between the hypoplastron and the lower junction plate 12 of horn 2, prevents that horn 2 from rocking from top to bottom, reduces horn 2 and upper junction plate 11 and the area of contact of lower junction plate 12, and frictional force reduces when horn 2 is rotatory, makes the rotation of horn 2 more smooth and easy.

As shown in fig. 2, a first step 10 is provided at an end of the boom 2 away from the folding direction, a baffle (not shown) is provided between the upper connecting plate 11 and the lower connecting plate 12, and the baffle is clamped on the first step 10 in the unfolding state of the boom 2 to prevent the boom 2 from swaying left and right. The rotating shaft 3 is a bolt, the bolt head is abutted to the upper connecting plate 11, the other end of the bolt is fastened on the lower connecting plate 12 through a nut, and the horn 2 and the connecting block 8 are sleeved on the bolt.

The upper connecting plate 11 and the lower connecting plate 12 are provided with limiting parts matched with the sliding blocks 4, the sliding blocks 4 are abutted to the limiting parts after the machine arm 2 rotates inwards for a certain angle, the machine arm 2 stops rotating to complete folding, the folding angle is large, and the occupied space is small after the machine arm 2 is folded.

Example 2

The present embodiment provides an unmanned aerial vehicle including the horn folding structure in embodiment 1.

The unmanned aerial vehicle of this structure, horn beta structure is simple, and the folding of unmanned aerial vehicle horn 2 is swift with expansion easy operation, and horn folding angle is big, and convenient quick storage unmanned aerial vehicle reduces its area.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The arm folding structure comprises an upper connecting plate (11) and a lower connecting plate (12), and is characterized by further comprising

The horn (2), is suitable for stretching into between said upper junction plate (11) and lower junction plate (12);

the upper end and the lower end of the rotating shaft (3) respectively extend into and are fixed on the upper connecting plate (11) and the lower connecting plate (12); the first end of the machine arm (2) close to the upper connecting plate (11) is rotatably arranged on the rotating shaft (3);

the sliding block (4) is arranged on the machine arm (2) in a sliding manner; at least one of the upper connecting plate (11) and the lower connecting plate (12) is provided with a groove (13) matched with the outer wall surface of the sliding block (4); in the unfolding state of the machine arm (2), the sliding block (4) is suitable for being embedded into the groove (13) to limit the rotation of the machine arm (2) around the rotating shaft (3); in the folded state of horn (2), slider (4) break away from recess (13), horn (2) are around rotation axis (3) rotate the folding.

2. A horn-folding structure according to claim 1, characterized by further comprising a connecting shaft (5); the first end of the connecting shaft (5) extends into the machine arm (2), and the second end of the connecting shaft is connected with the rotating shaft (3); the sliding block (4) is sleeved on the connecting shaft (5) and is in sliding connection with the connecting shaft (5);

the machine arm (2) is provided with a yielding area (21) for the sliding of the sliding block (4).

3. The horn folding structure of claim 2, further comprising an elastic member; the elastic piece is sleeved on the connecting shaft (5); a locking piece is arranged at the end part of the first end of the connecting shaft (5); one end of the elastic piece is abutted against the sliding block (4), and the other end of the elastic piece is abutted against the locking piece; in the unfolding state of the machine arm (2), the elastic piece applies pressure to the sliding block (4) to enable the sliding block (4) to abut against the groove (13).

4. A horn-folding structure as claimed in claim 2 or 3, further comprising a connecting block (8), wherein said connecting block (8) is rotatably fitted over said rotary shaft (3), and a second end of said connecting shaft (5) is fixed to said connecting block (8).

5. A folding arm structure according to claim 4, characterized in that the face of said connecting block (8) facing said connecting shaft (5) is plane; the second end of the connecting shaft (5) is fixed with the plane to be connected with the rotating shaft (3).

6. A horn fold configuration according to any one of claims 1-3, characterized in that it further comprises two shims (9); the two gaskets (9) are sleeved on the rotating shaft (3); and are respectively arranged between the machine arm (2) and the upper connecting plate (11) and between the machine arm (2) and the lower connecting plate (12).

7. The horn folding structure according to any one of claims 1 to 3, further comprising a baffle; a first step (10) is arranged at one end of the machine arm (2) far away from the folding direction; in the unfolding state of the horn (2), the baffle is fixed on the lower connecting plate (12) and clamped on the first step (10).

8. A horn folding structure according to any one of claims 1-3, characterized in that the rotation shaft (3) is a bolt.

9. A horn folding structure according to claim 3, characterized in that said elastic member is a spring (6).

10. An unmanned aerial vehicle comprising the boom folding structure of any one of claims 1-9.