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CN-224211287-U - Unmanned aerial vehicle screw protection device

CN224211287UCN 224211287 UCN224211287 UCN 224211287UCN-224211287-U

Abstract

The utility model belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle propeller protection device, which comprises a propeller support, wherein a square rod is fixedly arranged at the bottom of one end of the propeller support, which is provided with a propeller, an I-shaped wheel is sleeved on the outer side of the square rod in a clamping way, a fixing support rod is fixed on the outer wall of the top of the I-shaped wheel, a protection component is arranged at one end, far away from the I-shaped wheel, of the fixing support rod, a plurality of movable rings are sleeved on the outer side of the middle of the I-shaped wheel in a rotating way along the vertical direction, movable support rods are fixedly arranged on the outer walls of the plurality of movable rings in a spiral way along the vertical direction, a second support column is fixedly arranged at one end, far away from the movable rings, of the bottommost movable support rod, and a first support column is fixedly arranged at one end, far away from the movable rings, of the rest movable support rods. The unmanned aerial vehicle can be independently disassembled after the unmanned aerial vehicle is operated, can be rotated and contracted, greatly reduces the volume, and achieves the effects of easy storage and convenient carrying.

Inventors

  • ZHANG YUXING
  • ZHANG JINFAN

Assignees

  • 郑州大学

Dates

Publication Date
20260508
Application Date
20250527

Claims (7)

  1. 1. The utility model provides an unmanned aerial vehicle screw protection device, includes screw support (1), its characterized in that screw support (1) is equipped with one end bottom fixed mounting of screw has square pole (2), and the outside block of square pole (2) has cup jointed spool (3), the top outer wall of spool (3) is fixed with fixed stay (5), and the one end that spool (3) was kept away from to fixed stay (5) is equipped with protection component (6), the middle part outside of spool (3) rotates the cover along vertical direction and is equipped with a plurality of expansion rings (7), all is fixed with activity branch (8) on the outer wall of a plurality of expansion rings (7), and a plurality of activity branch (8) are the heliciform distribution along vertical direction, and the bottommost the one end that expansion ring (7) was kept away from to activity branch (8) is fixed with second pillar (11), and the remainder activity branch (8) are kept away from the one end of expansion ring (7) all is fixed with first pillar (10), and two adjacent between activity branch (8) and fixed stay (5) between all articulated have connecting rod assembly (9).
  2. 2. The unmanned aerial vehicle propeller protection device of claim 1, wherein a square groove matched with the square rod (2) is formed in the center of the upper end of the spool (3), a first bolt (4) is connected with the center of the outer wall of the bottom end of the spool (3) in a threaded mode, and a threaded hole matched with the first bolt (4) is formed in the square rod (2).
  3. 3. The unmanned aerial vehicle screw protection device of claim 1, wherein the protection component (6) comprises a vertical pipe (61), a coil spring (62), a winding rod (63) and an interception net (64), the vertical pipe (61) is fixedly arranged at one end of the fixed support rod (5) far away from the I-shaped wheel (3), the winding rod (63) is arranged in the vertical pipe (61) through the coil spring (62), one end of the interception net (64) is fixedly connected to the outer wall of the winding rod (63), and the interception net (64) is made of nylon.
  4. 4. The unmanned aerial vehicle propeller protection device of claim 3, wherein the other end of the interception net (64) sequentially penetrates through the plurality of first struts (10) and is fixedly connected to the outer wall of the second strut (11).
  5. 5. The unmanned aerial vehicle propeller protection device according to claim 1, wherein the connecting rod assembly (9) comprises a first connecting rod (91) and a second connecting rod (92) which are connected in a hinged manner, and one ends, which are equal in length and far away from each other, of the first connecting rod (91) and the second connecting rod (92) are respectively hinged with two adjacent movable struts (8).
  6. 6. The unmanned aerial vehicle propeller protection device of claim 5, wherein the bottom end face of the movable supporting rod (8) at the bottommost is provided with a vertical downward extension part, a second bolt (12) is arranged on the extension part in a threaded manner, two hole structures matched with the second bolt (12) are arranged on the outer wall of the bottom of the spool (3), and the two hole structures correspond to the unfolding and storage states of the movable supporting rod (8) respectively.
  7. 7. The unmanned aerial vehicle propeller protection device of claim 1, wherein the first struts (10) are each provided with a through groove structure.

Description

Unmanned aerial vehicle screw protection device Technical Field The utility model belongs to the technical field of unmanned aerial vehicles, and particularly relates to a propeller protection device of an unmanned aerial vehicle. Background Unmanned aerial vehicle is short for unmanned aerial vehicle, is unmanned aerial vehicle that utilizes radio remote control equipment and self-contained program control device to control. Can bear the task of work which cannot be manually or is dangerous. The screw is the important component part of unmanned aerial vehicle, conveniently controls unmanned aerial vehicle lift-off and flight. In the actual use operation of the unmanned aerial vehicle, in order to avoid the interference of flying birds and the like on the flight of the unmanned aerial vehicle, a protection device is also required to be installed outside the propeller. In the chinese patent of the utility model of bulletin number CN221757762U, an unmanned aerial vehicle screw protection device is provided, through the cooperation of clamping part and fastening part and lock solid portion for this protection device is applicable to the unmanned aerial vehicle of different models, simultaneously, through the protection barrier cage screw that protection machanism formed, protection screw that can be better avoids the damage. Through retrieving, at present unmanned aerial vehicle can pull down some detachable parts after using, can reduce the volume to place parts and unmanned aerial vehicle organism in special guard box simultaneously, but its volume of screw protection device that proposes among the above-mentioned technical scheme is great, lacks folding function, is inconvenient for reducing the volume, influences and carries and accomodates, is difficult to satisfy actual demand. Therefore, improvement of the existing unmanned aerial vehicle propeller protection device is urgently needed, and the unmanned aerial vehicle propeller protection device is provided. Disclosure of utility model Aiming at the defects in the prior art, the utility model provides the unmanned aerial vehicle propeller protection device which is reasonable in design, simple in structure, has a folding function and is easy to store, and is used for solving the problems in the prior art. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides an unmanned aerial vehicle screw protection device, its includes the screw support, the screw support is equipped with the one end bottom fixed mounting of screw has the square pole, and the outside block of square pole has cup jointed the I-shaped wheel, the top outer wall of I-shaped wheel is fixed with fixed branch, and the one end that I-shaped wheel was kept away from to fixed branch is equipped with the protection component, the middle part outside of I-shaped wheel rotates the cover along vertical direction and is equipped with a plurality of expansion rings, all is fixed with movable branch on the outer wall of a plurality of expansion rings, and a plurality of movable branches are the heliciform distribution along vertical direction, and the bottommost movable branch keeps away from the one end of expansion ring and is fixed with the second pillar, remains movable branch keeps away from the one end of expansion ring all to be fixed with first pillar, adjacent two all articulate between the movable branch and between movable branch and the fixed branch. As a preferred embodiment, a square groove matched with the square rod is formed in the center of the upper end of the spool, a first bolt is connected with the center of the outer wall of the bottom end of the spool in a threaded mode, and a threaded hole matched with the first bolt is formed in the square rod. As a preferred embodiment, the protection component comprises a vertical pipe, a coil spring, a winding rod and an interception net, wherein the vertical pipe is fixedly arranged at one end of the fixing support rod far away from the spool, the winding rod is arranged in the vertical pipe through the coil spring, one end of the interception net is fixedly connected to the outer wall of the winding rod, and the interception net is made of nylon. As a preferred embodiment, the other end of the interception net sequentially penetrates through a plurality of the first struts and is fixedly connected to the outer wall of the second strut. As a preferred embodiment, the connecting rod assembly comprises a first connecting rod and a second connecting rod which are connected in a hinged manner, and one ends, which are equal in length and far away from each other, of the first connecting rod and the second connecting rod are respectively hinged with two adjacent movable struts. As a preferred implementation mode, the bottom end surface of the movable supporting rod at the bottommost part is provided with a vertical downward extension part, a second bolt is arranged on