CN212243826U

CN212243826U - Folding connection structure, horn connection structure and unmanned aerial vehicle

Info

Publication number: CN212243826U
Application number: CN202020954439.9U
Authority: CN
Inventors: 杨延凯; 李圣才; 梁景堂; 王刚
Original assignee: Shenzhen Eagle Brother Uav Innovation Co ltd; Chongqing Dile Jinchi General Machinery Co ltd
Current assignee: Shenzhen Eagle Brother Uav Innovation Co ltd; Chongqing Dile Jinchi General Machinery Co ltd
Priority date: 2020-05-30
Filing date: 2020-05-30
Publication date: 2020-12-29
Anticipated expiration: 2030-05-30

Abstract

The utility model discloses a folding connection structure, a horn connection structure and an unmanned aerial vehicle, wherein the folding connection structure comprises a first connecting piece and a second connecting piece, the first connecting piece comprises a first upper hole and a containing cavity below the first upper hole; the second connecting piece includes hole and second lower hole on the second, and the round pin axle passes hole on first hole and the second, and first pin passes hold chamber and second lower hole, first pin one end is in first connecting piece or second connecting piece outside cover are equipped with the spring and at this end connection button, and the other end overcoat is equipped with the second pin under the spring normal condition, second pin periphery at least partially with hold chamber clearance fit. The utility model discloses a folding joint structure can make two by the connecting piece folding or extend for the unmanned aerial vehicle horn can make the horn fold down, has reduced the length of unmanned aerial vehicle horn by a wide margin, has increased the convenience of unmanned aerial vehicle transportation, has ensured unmanned aerial vehicle security on the way in the transportation simultaneously, avoids impairedly.

Description

Folding connection structure, horn connection structure and unmanned aerial vehicle

Technical Field

The utility model relates to a machine-building technical field especially relates to an arm beta structure and unmanned aerial vehicle.

Background

Unmanned aerial vehicle is called unmanned aerial vehicle for short, is the unmanned aerial vehicle that utilizes radio remote control equipment and self-contained program control device to control, and unmanned aerial vehicle is the general name of unmanned aerial vehicle in fact, can divide into: compared with manned aircrafts, the unmanned fixed wing aircraft, the unmanned vertical take-off and landing aircraft, the unmanned airship, the unmanned helicopter, the unmanned multi-rotor aircraft, the unmanned umbrella wing aircraft and the like have the advantages of small volume, low manufacturing cost, convenient use, low requirement on the battlefield environment, strong battlefield viability and the like. The unmanned aerial vehicle has wide application and better development prospect in the industries of police, city management, agriculture, geology, meteorology, electric power, emergency rescue and relief, video shooting and the like.

Because unmanned aerial vehicle is often self bulky, especially the wing is longer. The longer wing has large lift force, good gliding performance and large lift force, so that the power required by flying is very small, a large amount of power can be saved, and the fuel can be saved. And the wing is usually integral, and can't fold or dismantle, leads to the whole occupation space of unmanned aerial vehicle big, causes inconvenience in transportation or the process of carrying, has increased the cost of transportation. In addition, the tip of wing often has outstanding part, receives the collision extrusion in the transportation, causes the unmanned aerial vehicle horn impaired, influences unmanned aerial vehicle's normal use.

Therefore, technical personnel in the field are dedicated to developing the arm folding structure and the unmanned aerial vehicle, the length of the arm of the unmanned aerial vehicle is greatly reduced, the convenience of the transportation process of the unmanned aerial vehicle is improved, and the possibility that the unmanned aerial vehicle is damaged in the transportation process is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that a horn beta structure and unmanned aerial vehicle are provided, the length of unmanned aerial vehicle horn has been reduced by a wide margin, increases the convenience of unmanned aerial vehicle transportation, reduces the impaired possibility of unmanned aerial vehicle on the way of the transportation simultaneously.

In order to achieve the purpose, the utility model provides a folding connecting structure, which comprises a first connecting piece and a second connecting piece, wherein the first connecting piece comprises a first upper hole and an accommodating cavity below the first upper hole; the second connecting piece includes hole and second lower hole on the second, and the round pin axle passes hole on first hole and the second, and first pin passes hold chamber and second lower hole, first pin one end is in first connecting piece or second connecting piece outside cover are equipped with the spring and at this end connection button, and the other end overcoat is equipped with the second pin under the spring normal condition, second pin periphery at least partially with hold chamber clearance fit.

Preferably, the first connecting piece comprises three first upper holes, and the accommodating cavity is located below the middle first upper hole.

Preferably, the number of the second upper holes and the number of the second lower holes are 2, the second upper holes correspond to the second lower holes vertically, the first upper hole located in the middle is located between the two second upper holes, and the first upper holes located on two sides are respectively located on the outer sides of the two second upper holes.

Preferably, the spring is limited between the second connecting piece and the button; the first pin is in threaded connection with the second pin.

Preferably, the first connecting piece is provided with a mounting piece on the first upper hole, the mounting piece comprises an upper mounting block and a lower mounting block which are detachably connected, and a mounting cavity is arranged between the upper mounting block and the lower mounting block.

Preferably, the accommodating cavity is provided with an opening.

Preferably, a first extending block extending out is arranged on the first connecting piece on the opposite side of the first upper hole, and the periphery of the first extending block is arc-shaped and is provided with a first external thread; a second extending block is arranged at one end of the second lower hole on the second connecting piece, second external threads are arranged on the periphery of the second extending block, and the first external threads and the second external threads can be matched into a whole;

the fastening thread sleeve is arranged on the outer wall of the shell, and the inner thread of the fastening thread sleeve is meshed with the first outer thread and the second outer thread.

An arm connecting structure comprises the folding connecting structure.

Preferably, the first connecting piece is connected with the upper arm, the second connecting piece is connected with the lower arm, and a rubber ring is arranged at the joint of the upper arm and the lower arm.

An unmanned aerial vehicle comprises a folding connection structure or a horn connection structure as described above.

The utility model has the advantages that: the utility model discloses a folding joint structure can make two by the connecting piece folding or extend for the unmanned aerial vehicle horn can make the horn fold down, has reduced the length of unmanned aerial vehicle horn by a wide margin, has increased the convenience of unmanned aerial vehicle transportation, has ensured unmanned aerial vehicle security on the way in the transportation simultaneously, avoids impairedly.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of an embodiment of the present invention.

Fig. 3 is a schematic view of a connecting structure of a boom according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and fig. 2, a folding connection structure, including first connecting piece and second connecting piece, first connecting piece includes first hole 11 and the chamber 12 that holds of its below, the second connecting piece includes second hole 21 and second hole 22 down, round pin axle 3 passes first hole 11 and second hole 21 on, first pin 4 passes and holds chamber 12 and second hole 22 down, first pin 4 one end is equipped with spring 5 and at this end connection button 6 in first connecting piece or second connecting piece outside cover, the other end overcoat is equipped with second pin 7, under spring 5 normal condition, second pin 7 periphery at least partially with hold chamber 12 clearance fit.

In this embodiment, the first connecting member includes three first upper holes 11, and the accommodating chamber 12 is located below the middle first upper hole 11. The number of the second upper holes 21 and the number of the second lower holes 22 are both 2, the second upper holes are vertically corresponding to each other, the first upper hole 11 positioned in the middle is positioned between the two second upper holes 21, and the first upper holes 11 positioned on the two sides are respectively positioned outside the two second upper holes 21. The spring 5 is limited between the second connecting piece and the button 6, and the first pin 4 is in threaded connection with the second pin 7.

Adopt the utility model discloses, round pin axle 3 passes first hole 21 on hole 11 and the second, can make first connecting piece and second connecting piece form basic relation of connection, realize preliminary location, first pin 4 passes and holds under chamber 12 and the second hole 22, even fixed relative relation has been formed between first connecting piece and the second connecting piece, in this application, one end overcoat at first pin 4 is equipped with second pin 7 simultaneously, second pin 7 periphery is at least partial and hold chamber 12 clearance fit, it has certain frictional force to make to hold between chamber 12 chamber wall and the second pin 7, under no external force condition, I make second pin 7 and the relative position who holds chamber 12 stabilize and do not change, this application totality has stability. When the folding or extending connection is needed, the button 6 is pressed, the first pin 4 moves towards the direction opposite to the button 6, the first pin 4 is connected with the second pin 7 through threads, the positions of the first pin 4 and the second pin 7 are relatively fixed, so that the second pin 7 also moves towards the direction opposite to the button 6 until the second pin 7 exits the accommodating cavity 12, obviously, the diameter of the first pin 4 is smaller than the inner diameter of the accommodating cavity 12, in the embodiment, the accommodating cavity 12 is provided with an opening 13, the first pin can exit from the opening 13 by slightly applying external force, at the moment, the first connecting piece and the second connecting piece are connected only through the pin shaft 3, the folding or extending assembly can be carried out according to the needs by applying the external force, after the folding or the assembly is finished, the button 6 is pressed, the first pin enters the accommodating cavity 12 through the opening 13, the button 6 is released, the spring is reset, and the first pin 4 and the second pin 7 advance towards the button 6, the receiving cavity is again in a stable clearance fit relationship with the second pin. Of course, in other embodiments, the opening 13 is not provided in the receiving cavity 12, and the first pin 4 and the second pin 7 need to be taken out of the second lower hole 22 each time, which can also achieve the purpose of the utility model, but is not as convenient as this embodiment.

The first connecting piece is provided with a mounting piece on the first upper hole 11, the mounting piece comprises an upper mounting block 15 and a lower mounting block 16 which are detachably connected, and a mounting cavity is arranged between the upper mounting block 15 and the lower mounting block 16. When the connecting device is used for connection, an appliance to be connected is arranged in the mounting cavity, the upper mounting block 15 and the lower mounting block 16 are connected through bolts, so that the first connecting piece and the appliance to be connected can be connected together, and similarly, the second connecting piece can also be connected. Of course, it is also possible to fixedly connect the first connecting piece or the second connecting piece to the appliance to be connected, so that the connection of the two appliances is realized, and after the connection is completed, the folding and the extension are facilitated.

A first extending block 14 extending out is arranged on the first connecting piece on the opposite side of the first upper hole 11, and the periphery of the first extending block 14 is arc-shaped and is provided with a first external thread; a second extension block 23 is arranged at one end of a second lower hole 22 on the second connecting piece, second external threads are arranged on the periphery of the second extension block 23, the first external threads and the second external threads can be matched into a whole, the connecting piece further comprises a fastening thread sleeve 8, and internal threads of the fastening thread sleeve 8 are meshed with the first external threads and the second external threads. After the first connecting piece and the second connecting piece extend to be axisymmetric, the first external thread and the second external thread can be matched into a whole, and then the fastening thread sleeve 8 is sleeved outside, so that the first connecting piece and the second connecting piece are connected more stably.

As shown in fig. 3, an arm connecting structure includes the folding connecting structure described above. The first connecting piece is connected with upper horn 91, and the second connecting piece is connected with lower horn 92, and upper horn 91 and lower horn 92 junction are equipped with rubber circle 93.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. A kind of folding linkage, its characteristic is: the connecting device comprises a first connecting piece and a second connecting piece, wherein the first connecting piece comprises a first upper hole (11) and an accommodating cavity (12) below the first upper hole; the second connecting piece includes hole (21) and second lower hole (22) on the second, and round pin axle (3) pass hole (21) on first hole (11) and the second, first pin (4) pass hold chamber (12) and second lower hole (22), first pin (4) one end is in first connecting piece or second connecting piece outside cover are equipped with spring (5) and at this end connection button (6), and the other end overcoat is equipped with second pin (7) under spring (5) normal condition, second pin (7) periphery at least part with hold chamber (12) clearance fit.

2. The folding joint structure of claim 1, wherein: the first connecting piece comprises three first upper holes (11), and the accommodating cavity (12) is positioned below the middle first upper hole (11).

3. The folding joint structure of claim 2, wherein: the number of the second upper holes (21) and the number of the second lower holes (22) are 2 and are corresponding up and down, the first upper hole (11) positioned in the middle is positioned between the two second upper holes (21), and the first upper holes (11) positioned on two sides are respectively positioned on the outer sides of the two second upper holes (21).

4. The folding joint structure of claim 3, wherein: the spring (5) is limited between the second connecting piece and the button (6); the first pin (4) is in threaded connection with the second pin (7).

5. The folding joint structure of claim 1, wherein: the first connecting piece is provided with a mounting piece on the first upper hole (11), the mounting piece comprises an upper mounting block (15) and a lower mounting block (16) which are detachably connected, and a mounting cavity is formed between the upper mounting block (15) and the lower mounting block (16).

6. The folding joint structure of claim 1, wherein: the accommodating cavity (12) is provided with an opening (13).

7. The folding joint structure of claim 1, wherein: a first extending block (14) extending out is arranged on the first connecting piece on the opposite side of the first upper hole (11), and the periphery of the first extending block (14) is arc-shaped and is provided with a first external thread; a second extending block (23) is arranged at one end of the second lower hole (22) on the second connecting piece, second external threads are arranged on the periphery of the second extending block (23), and the first external threads and the second external threads can be matched into a whole;

the screw-thread tightening device further comprises a tightening screw sleeve (8), and the internal thread of the tightening screw sleeve (8) is meshed with the first external thread and the second external thread.

8. An arm connecting structure, characterized by comprising the folding connecting structure according to any one of claims 1 to 7.

9. The horn connecting structure according to claim 8, wherein: the first connecting piece is connected with an upper machine arm (91), the second connecting piece is connected with a lower machine arm (92), and a rubber ring (93) is arranged at the joint of the upper machine arm (91) and the lower machine arm (92).

10. An unmanned aerial vehicle, characterized by: comprising a folding joint structure according to any one of claims 1 to 7 or a horn joint structure according to any one of claims 8 to 9.