Folding connection structure, horn connection structure and unmanned aerial vehicle
阅读说明:本技术 折叠连接结构、机臂连接结构及无人机 (Folding connection structure, horn connection structure and unmanned aerial vehicle ) 是由 杨延凯 李圣才 梁景堂 王刚 于 2020-05-30 设计创作,主要内容包括:本发明公开了一种折叠连接结构、机臂连接结构及无人机,其中折叠连接结构包括第一连接件和第二连接件,所述第一连接件包括第一上孔和其下方的容纳腔;所述第二连接件包括第二上孔和第二下孔,销轴穿过所述第一上孔和第二上孔,第一销钉穿过所述容纳腔和第二下孔,所述第一销钉一端在所述第一连接件或第二连接件外侧套设有弹簧且在该端部连接按钮,另一端外套设有第二销钉,在所述弹簧正常状态下,所述第二销钉外周至少部分与所述容纳腔间隙配合。本发明的折叠连接结构可使两被连接件折叠或伸展,用于无人机机臂可使机臂向下折叠,大幅度减少了无人机机臂的长度,增加了无人机运输过程的便利性,同时保障了无人机在运输途中的安全性,避免受损。(The invention discloses a folding connection structure, a horn connection structure and an unmanned aerial vehicle, wherein the folding connection structure comprises a first connection piece and a second connection piece, and the first connection 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. The folding connection structure can fold or extend the two connected pieces, and when the folding connection structure is used for the unmanned aerial vehicle arm, the arm can be folded downwards, so that the length of the unmanned aerial vehicle arm is greatly reduced, the convenience of the unmanned aerial vehicle in the transportation process is improved, the safety of the unmanned aerial vehicle in the transportation process is guaranteed, and the unmanned aerial vehicle is prevented from being damaged.)
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.
Technical Field
The invention relates to the technical field of machine manufacturing, in particular to an arm folding structure and an 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.
Disclosure of Invention
In view of the above defects in the prior art, the technical problem to be solved by the present invention is to provide an arm folding structure and an unmanned aerial vehicle, which substantially reduce the length of the arm of the unmanned aerial vehicle, increase the convenience of the unmanned aerial vehicle in the transportation process, and simultaneously reduce the possibility of damage of the unmanned aerial vehicle in the transportation process.
In order to achieve the above object, the present invention provides a folding connection structure, comprising a first connection member and a second connection member, wherein the first connection member 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.
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 invention has the beneficial effects that: the folding connection structure can fold or extend the two connected pieces, and when the folding connection structure is used for the unmanned aerial vehicle arm, the arm can be folded downwards, so that the length of the unmanned aerial vehicle arm is greatly reduced, the convenience of the unmanned aerial vehicle in the transportation process is improved, the safety of the unmanned aerial vehicle in the transportation process is guaranteed, and the unmanned aerial vehicle is prevented from being damaged.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure of an embodiment of the present invention.
Fig. 3 is a schematic view of a connecting structure of the horn 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 the terms "upper", "lower", "left", "right", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular manner, and thus 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
In this embodiment, the first connecting member includes three first upper holes 11, and the
By adopting the invention, the pin shaft 3 passes through the first upper hole 11 and the second
The first connecting piece is provided with a mounting piece on the first upper hole 11, the mounting piece comprises an
A first extending
As shown in fig. 3, an arm connecting structure includes the folding connecting structure described above. The first connecting piece is connected with
An unmanned aerial vehicle comprises a folding connection structure or a horn connection structure as described above.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
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