CN211592936U

CN211592936U - Unmanned aerial vehicle's propeller structure

Info

Publication number: CN211592936U
Application number: CN201921664562.0U
Authority: CN
Inventors: 邵英垚
Original assignee: Hainan Baiying Technology Co Ltd
Current assignee: Hainan Baiying Technology Co Ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-09-29
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a propeller structure of an unmanned aerial vehicle, which comprises a propeller body and a motor revolute pair, a groove is arranged in the motor revolute pair, a spring is arranged at the bottom end in the groove, a pressing block is fixedly connected at the upper end of the spring, the upper end of the pressing block is provided with a rubber pad, the upper end of the rubber pad is provided with an inserting rod, the top end of the motor revolute pair is provided with a trapezoidal plug through a bolt, a magnet is arranged in the middle of the lower end of the trapezoidal plug, an iron bar is welded at the inner end of the propeller body, the iron bar extends into the groove, the magnet and the iron bar are mutually adsorbed, the inserted rod connected with the upper end of the rubber pad extends into the jack arranged on the bottom end face of the iron bar, an open slot communicated with the groove is formed in the annular side face of the motor revolute pair, and a moving rod fixedly connected with the pressing block is slidably arranged on the open slot. The utility model discloses be convenient for install and dismantle the screw body, labour saving and time saving, the practicality is strong.

Description

Unmanned aerial vehicle's propeller structure

Technical Field

The utility model relates to an unmanned air vehicle technique field specifically is an unmanned aerial vehicle's screw structure.

Background

The unmanned aerial vehicle screw means leans on the paddle to rotate in the air, turns into the device of propulsive force with engine rotation power, can have two or more leaf and link to each other with the hub, and the one side backward of leaf is helicoid or is similar to a propeller of helicoid.

Most of existing unmanned aerial vehicle propellers are fixedly connected with a motor revolute pair, the existing unmanned aerial vehicle propellers are fixed in structure, inconvenient to install and detach and poor in using effect, and therefore the propeller structure of the unmanned aerial vehicle needs to be designed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an unmanned aerial vehicle's screw structure, the installation and the dismantlement of the screw body of being convenient for, design benefit, stability is high, has solved that current unmanned aerial vehicle screw is fixed connection mostly with the motor revolute pair, and the problem of installation and dismantlement not convenient for is fixed in structure.

Technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a propeller structure of an unmanned aerial vehicle comprises a propeller body and a motor rotating pair, wherein a groove is formed in the motor rotating pair, a spring is arranged at the bottom end in the groove, a pressing block is fixedly connected to the upper end of the spring, a rubber pad is arranged at the upper end of the pressing block, an inserting rod is arranged at the upper end of the rubber pad, a trapezoidal plug is installed at the top end of the motor rotating pair through a bolt, a magnet is arranged in the middle of the lower end of the trapezoidal plug, an iron strip is welded at the inner end of the propeller body and extends into the groove, the magnet and the iron strip are adsorbed to each other, the inserting rod connected to the upper end of the rubber pad extends into a jack formed in the bottom end face of the iron strip, the lower end faces of the propeller body and the iron strip are in contact with the upper end face of the rubber pad, and the upper end, briquetting, ironbar and magnet all are located the inside of recess, set up the open slot that communicates with each other with the recess on the annular side of motor revolute pair, the sliding is equipped with the carriage release lever with briquetting fixed connection on the open slot.

Preferably, the propeller bodies are provided with at least two, and the at least two propeller bodies are horizontally inserted on the motor revolute pair.

Preferably, a supporting rod which is obliquely arranged upwards is further arranged on the side wall of the motor revolute pair, a clamping sleeve is mounted at the top end of the supporting rod, the propeller body is inserted into the clamping sleeve, the clamping sleeve is located on the outer side of the motor revolute pair, and the upper end face of the clamping sleeve is flush with the top end face of the trapezoidal plug.

Preferably, the opening groove is a rectangular opening groove.

Preferably, the cross section of the compact is consistent with the cross section of the compact in shape and is circular.

Preferably, the support rod and the clamping sleeve are made of plastics.

Advantageous effects

Compared with the prior art, the utility model provides an unmanned aerial vehicle's screw structure possesses following beneficial effect:

1. this unmanned aerial vehicle's screw structure, through the design spring, the briquetting, the rubber pad, inserted bar and ironbar and with briquetting fixed connection's carriage release lever, this design is convenient for install and dismantle the screw body, moreover, the operation is simple, overall stability is high, rubber pad plays the absorbing effect of buffering, magnet can adsorb the ironbar to the inside of recess, when dismantling the screw body, only need move the carriage release lever downwards, realize that the jack phase separation of inserted bar and ironbar can pull down the screw body from the motor revolute pair, convenient and fast.

2. This unmanned aerial vehicle's screw structure through design branch and cutting ferrule, is favorable to screw body and the stable being connected of motor revolute pair more, and the supporting effect is good.

Drawings

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

fig. 2 is the schematic diagram of the internal structure of the motor revolute pair of the present invention.

In the figure: 1. a motor revolute pair; 2. a trapezoidal plug; 3. a propeller body; 4. a card sleeve; 5. a strut; 6. a travel bar; 7. an open slot; 8. a bolt; 9. a spring; 10. briquetting; 11. inserting a rod; 12. iron bars; 13. a magnet; 14. a rubber pad; 15. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-2, the present invention provides a technical solution: a propeller structure of an unmanned aerial vehicle comprises a propeller body 3 and a motor revolute pair 1, wherein a groove 15 is formed in the motor revolute pair 1, a spring 9 is arranged at the bottom end in the groove 15, a pressing block 10 is fixedly connected to the upper end of the spring 9, a rubber pad 14 is arranged at the upper end of the pressing block 10, an inserting rod 11 is arranged at the upper end of the rubber pad 14, a trapezoidal plug 2 is mounted at the top end of the motor revolute pair 1 through a bolt 8, a magnet 13 is arranged at the middle position of the lower end of the trapezoidal plug 2, an iron bar 12 is welded at the inner end of the propeller body 3, the iron bar 12 extends into the groove 15, the magnet 13 and the iron bar 12 are mutually adsorbed, the inserting rod 11 connected to the upper end of the rubber pad 14 extends into an inserting hole formed in the bottom end face of the iron bar 12, the lower end faces of the propeller body 3, the upper end surfaces of the propeller body 3 and the iron bars 12 are in contact with the lower end surface of the trapezoidal plug 2, the pressing block 10, the iron bars 12 and the magnets 13 are located inside the groove 15, an open groove 7 communicated with the groove 15 is formed in the annular side surface of the motor revolute pair 1, and a moving rod 6 fixedly connected with the pressing block 10 is arranged on the open groove 7 in a sliding mode.

The propeller bodies 3 are provided with at least two, and the at least two propeller bodies 3 are horizontally inserted on the motor revolute pair 1. Still be equipped with the slope branch 5 that sets up on the lateral wall of motor revolute pair 1, cutting ferrule 4 is installed on the top of branch 5, screw body 3 pegs graft on cutting ferrule 4, cutting ferrule 4 is located motor revolute pair 1's the outside, and the up end of cutting ferrule 4 and trapezoidal end cap 2's top face looks parallel and level are favorable to screw body 3 and motor revolute pair 1 stable being connected more, and the supporting effect is good. The opening groove 7 is a rectangular opening groove. The cross section of the pressing block 10 is consistent with the cross section of the pressing block 10 in shape and is circular. The supporting rod 5 and the clamping sleeve 4 are made of plastics, so that the service life is long, and the overall weight is reduced.

When the screw body 3 is disassembled, a worker holds the movable rod 6 to move downwards along the open slot 7, the movable rod 6 moves downwards to drive the pressing block 10 to move downwards along the groove 15, the pressing block 10 moves downwards to compress the spring 9, the pressing block 10 moves downwards to drive the rubber pad 14 to move downwards, the rubber pad 14 moves downwards to drive the inserted rod 11 to move downwards, the inserted rod 11 moves downwards to separate from a slot (not shown in a slot diagram) on the lower end face of the iron bar 12, meanwhile, the rubber bar is separated from the screw body 3 and the iron bar 12, then the screw body 3 is held to move outwards, the screw body 3 moves outwards to drive the iron bar 12 to move outwards, the iron bar 12 moves outwards to separate from the magnet 13, and then the screw body 3 can be taken out along the clamping sleeve 4 on the motor revolute pair 1.

To sum up, this unmanned aerial vehicle's propeller structure is convenient for install and dismantle propeller body 3, labour saving and time saving, and the practicality is strong.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an unmanned aerial vehicle's screw structure, includes screw body (3) and motor revolute pair (1), its characterized in that: the motor revolute pair is characterized in that a groove (15) is formed in the motor revolute pair (1), a spring (9) is arranged at the bottom end in the groove (15), a pressing block (10) is fixedly connected to the upper end of the spring (9), a rubber pad (14) is arranged at the upper end of the pressing block (10), an inserting rod (11) is arranged at the upper end of the rubber pad (14), a trapezoidal plug (2) is mounted at the top end of the motor revolute pair (1) through a bolt (8), a magnet (13) is arranged in the middle of the lower end of the trapezoidal plug (2), an iron bar (12) is welded at the inner end of the propeller body (3), the iron bar (12) extends into the groove (15), the magnet (13) and the iron bar (12) are mutually adsorbed, the inserting rod (11) connected to the upper end of the rubber pad (14) extends into a jack formed in the bottom end face of the iron bar (12), and the lower end faces of the propeller body (3) and the, the upper end face of screw body (3) and ironbar (12) all contacts with the lower terminal surface of trapezoidal end cap (2), briquetting (10), ironbar (12) and magnet (13) all are located the inside of recess (15), set up on the annular side of motor revolute pair (1) with communicating open slot (7) of recess (15), slide on open slot (7) and be equipped with carriage release lever (6) with briquetting (10) fixed connection.

2. The propeller structure of an unmanned aerial vehicle of claim 1, wherein: the propeller body (3) is provided with at least two, and the at least two propeller bodies (3) are horizontally inserted on the motor revolute pair (1).

3. The propeller structure of an unmanned aerial vehicle of claim 1, wherein: still be equipped with slope branch (5) that set up on the lateral wall of motor revolute pair (1), cutting ferrule (4) are installed on the top of branch (5), screw body (3) are pegged graft on cutting ferrule (4), cutting ferrule (4) are located the outside of motor revolute pair (1), and the up end of cutting ferrule (4) and the top face looks parallel and level of trapezoidal end cap (2).

4. The propeller structure of an unmanned aerial vehicle of claim 1, wherein: the open slot (7) is a rectangular open slot.

5. The propeller structure of an unmanned aerial vehicle of claim 1, wherein: the cross section of the pressing block (10) is consistent with the cross section of the pressing block (10) in shape and is circular.

6. A propeller structure of unmanned aerial vehicle according to claim 3, characterized in that: the supporting rod (5) and the clamping sleeve (4) are made of plastics.