Quick-release blade anti-winding shroud and unmanned aerial vehicle

Abstract

The utility model relates to the field of unmanned plane, disclose a kind of quick detachable paddle anti-winding protective cover and unmanned plane, including integrated protective cover body and quick release positioning pin;Formed with receiving chamber in the integrated protective cover body, the side of integrated protective cover body is formed with the in-out opening for rotor assembly to in-out into receiving chamber;The inner bottom of integrated protective cover body is provided with arm locating structure, arm locating groove is formed on arm locating structure, positioning pin hole is symmetrically provided on the both sides of arm locating groove, and quick release positioning pin is inserted in positioning pin hole.The utility model has the advantages that: when using, only the free end of arm and rotor assembly are in-out into receiving chamber through in-out opening, and the free end of arm is positioned in arm locating groove, and quick release positioning pin is inserted into positioning pin hole, the whole installation operation can be completed, therefore, the time consumption of installation and replacement is short, the installation difficulty is small, the quick use and storage of unmanned plane can be facilitated.

Description

Technical Field

[0001] This utility model relates to the field of unmanned aerial vehicle (UAV) technology, specifically a quick-release propeller anti-entanglement cover and a UAV. Background Technology

[0002] During drone flight, especially in complex environments or when carrying fiber optic cables and encountering numerous cables, branches, or other objects, the propellers can easily become entangled, leading to propeller damage, motor failure, or even drone crashes.

[0003] Propeller anti-entanglement guards are portable devices specifically designed for small FPV drones. They isolate the propeller blades from objects such as cables and tree branches, preventing direct contact or collisions during flight. This reduces the risk of propeller cracks, motor malfunctions, or even drone crashes caused by entanglement, scratches, or impacts. Furthermore, for drones flying near areas with high pedestrian traffic, anti-entanglement guards can also help prevent propeller injuries, increasing flight safety and reducing accidents.

[0004] However, existing propeller guards are usually designed as separate units, requiring multiple screws for installation. This results in long installation and replacement times, high installation difficulty, and hinders the rapid use and storage of drones. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this utility model provides a quick-release propeller anti-entanglement cover and drone, solving the problems of long installation and replacement time, high installation difficulty, and difficulty in the rapid use and storage of drones caused by existing propeller covers.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] Firstly, a quick-release propeller anti-entanglement cover includes an integrated cover body and quick-release positioning pins; a receiving chamber is formed inside the integrated cover body, and an insertion opening for the rotor assembly to extend into the receiving chamber is formed on one side of the integrated cover body; an arm positioning structure is provided at the inner bottom of the integrated cover body, an arm positioning groove is formed on the arm positioning structure, and positioning pin holes are symmetrically arranged on both sides of the arm positioning groove, and quick-release positioning pins are inserted into the positioning pin holes.

[0008] Furthermore, the arm positioning structure includes a first positioning seat for positioning the free end of the arm and a second positioning seat for positioning the middle part of the arm. A first arm positioning groove is formed on the first positioning seat, and first positioning pin holes are symmetrically arranged on both sides of the first arm positioning groove. A second arm positioning groove is formed on the second positioning seat, and second positioning pin holes are symmetrically arranged on both sides of the second arm positioning groove. Quick-release positioning pins are inserted into both the first positioning pin holes and the second positioning pin holes. The rotor assembly is located between the first positioning seat and the second positioning seat.

[0009] Furthermore, a positioning pin for insertion into the bottom of the arm is provided between the first positioning seat and the second positioning seat.

[0010] Furthermore, the first positioning seat, the second positioning seat, and the positioning pin are all integrally formed with the one-piece protective cover body.

[0011] Furthermore, the integrated protective cover body includes a top protective structure, a bottom protective structure, and a side protective structure, with the side protective structure connected between the top protective structure and the bottom protective structure.

[0012] The top protective structure includes an inner protective ring, an outer protective ring, and several first straight connecting strips connecting the inner protective ring and the outer protective ring.

[0013] Furthermore, the side protection structure includes an arc-shaped protective strip, a plurality of first arc-shaped connecting strips connecting the arc-shaped protective strip and the top protection structure, and a plurality of second arc-shaped connecting strips connecting the arc-shaped protective strip and the bottom protection structure.

[0014] Furthermore, the bottom protective structure includes several second straight connecting strips extending from the center of the bottom outwards, with each second arc-shaped connecting strip connected to a second straight connecting strip.

[0015] Furthermore, the quick-release positioning pin is a ball-head locking pin with a button.

[0016] Secondly, an unmanned aerial vehicle (UAV) includes a fuselage body, four arms connected to the fuselage body, rotor assemblies disposed at the free ends of each arm, and the aforementioned blade anti-entanglement shields. Each rotor assembly is equipped with a blade anti-entanglement shield. The free ends of the arms and the rotor assemblies extend into the receiving chamber of the blade anti-entanglement shields. The arms are placed in the arm positioning grooves of the blade anti-entanglement shields, and the arms are positioned on the arm positioning structure by quick-release positioning pins inserted into positioning pin holes.

[0017] Furthermore, each of the robotic arms has a pin hole at the bottom of its free end.

[0018] By adopting the above-mentioned technical solution of this utility model, at least the following beneficial effects are achieved: By designing the entire propeller anti-entanglement cover to include only two components, an integrated cover body and a quick-release positioning pin, in the actual use process, it is only necessary to insert the free end of the arm and the rotor assembly into the receiving chamber through the insertion opening, position the free end of the arm in the arm positioning groove, and insert the quick-release positioning pin into the positioning pin hole to complete the entire installation operation. Therefore, the installation and replacement time is short, the installation difficulty is small, and it is convenient for the rapid use and storage of the drone. Attached Figure Description

[0019] Figure 1 This is a structural diagram of a quick-release anti-winding cover for propeller blades according to the present invention;

[0020] Figure 2 This is a structural diagram of the blade anti-winding cover of this utility model before it is installed at the free end of the machine arm;

[0021] Figure 3 This is a top structural diagram of the anti-winding cover for the blades of this utility model after it is installed at the free end of the machine arm;

[0022] Figure 4 This is a bottom structural diagram of the anti-winding cover for the blades of this utility model after it is installed at the free end of the machine arm;

[0023] Figure 5 This is a structural diagram of the arm of this utility model;

[0024] Figure 6 This is a structural diagram of an unmanned aerial vehicle (UAV) according to this utility model.

[0025] Figure label:

[0026] 100mm anti-winding cover for propeller blades;

[0027] 200 drones;

[0028] The integrated protective cover body 1 includes a receiving chamber 11, an insertion opening 12, a top protective structure 13, an inner protective ring 131, an outer protective ring 132, a first straight connecting bar 133, a bottom protective structure 14, a second straight connecting bar 141, a side protective structure 15, an arc-shaped protective bar 151, a first arc-shaped connecting bar 152, and a second arc-shaped connecting bar 153.

[0029] Quick-release positioning pin 2;

[0030] The arm positioning structure 3 includes a first positioning seat 31, a first arm positioning groove 311, a first positioning pin hole 312, a second positioning seat 32, a second arm positioning groove 321, a second positioning pin hole 322, and a positioning pin 33.

[0031] 4. Main body of the fuselage;

[0032] Arm 5, rotor mounting part 51, pin hole 52;

[0033] Rotor assembly 6. Detailed Implementation

[0034] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0035] Example 1

[0036] Please see the appendix Figures 1 to 5 This utility model provides a quick-release propeller anti-entanglement cover 100, which includes an integrated cover body 1 and a quick-release positioning pin 2. The integrated cover body 1 has a receiving chamber 11, and one side of the integrated cover body 1 has an insertion opening 12 for the rotor assembly 6 to extend into the receiving chamber 11. In use, the free end of the arm 5 and the rotor assembly 6 need to be inserted into the receiving chamber 11 through the insertion opening 12 so that the integrated cover body 1 can protect the rotor assembly 6 and prevent the rotor assembly 6 from being damaged by entanglement, scratching, or impact, resulting in blade cracks, motor failure, or even drone crash. At the same time, it can also prevent the rotor assembly 6 from injuring people around it during use.

[0037] The inner bottom of the integrated protective cover body 1 is provided with an arm positioning structure 3. An arm positioning groove is formed on the arm positioning structure 3. Positioning pin holes are symmetrically arranged on both sides of the arm positioning groove. Quick-release positioning pins 2 are inserted into the positioning pin holes. In use, after the free end of the arm 5 is positioned in the arm positioning groove, the quick-release positioning pins 2 can be inserted into the positioning pin holes to further position the free end of the arm 5, ensuring that the free end of the arm 5 will not detach from the integrated protective cover body 1 during use.

[0038] This utility model designs the entire propeller anti-tangle cover 100 to include only two components: an integrated cover body 1 and a quick-release positioning pin 2. In actual use, the free end of the arm 5 and the rotor assembly 6 are simply inserted into the receiving chamber 11 through the insertion opening 12, the free end of the arm 5 is positioned in the arm positioning groove, and the quick-release positioning pin 2 is inserted into the positioning pin hole to complete the entire installation operation. Therefore, the installation and replacement time is short, the installation difficulty is low, and it can facilitate the rapid use and storage of drones.

[0039] In some embodiments of this utility model, the arm positioning structure 3 includes a first positioning seat 31 for positioning the free end of the arm 5 and a second positioning seat 32 for positioning the middle part of the arm 5. A first arm positioning groove 311 is formed on the first positioning seat 31, and first positioning pin holes 312 are symmetrically arranged on both sides of the first arm positioning groove 311. A second arm positioning groove 321 is formed on the second positioning seat 32, and second positioning pin holes 322 are symmetrically arranged on both sides of the second arm positioning groove 321. Quick-release positioning pins 2 are inserted into both the first positioning pin holes 312 and the second positioning pin holes 322. The first arm positioning groove 311 and the quick-release positioning pins 2 inserted into the first positioning pin holes 312 can reliably position the free end of the arm 5, and the second arm positioning groove 321 and the quick-release positioning pins 2 inserted into the second positioning pin holes 322 can reliably position the middle part of the arm 5. The rotor assembly 6 is located between the first positioning seat 31 and the second positioning seat 32. In a specific implementation of this utility model, the arm 5 has a rotor mounting part 51 formed on the first positioning seat 31 and the second positioning seat 32, and the size of the rotor mounting part 51 is larger than the size of the first arm positioning groove 311 and the second arm positioning groove 321. In this way, after the arm 5 is positioned in the first arm positioning groove 311 and the second arm positioning groove 321, it can be ensured that the arm 5 cannot be pulled out during use.

[0040] In some embodiments of this utility model, in order to further improve the stability of the robotic arm 5 after installation and ensure that the integrated protective cover body 1 can be reliably combined with the free end of the robotic arm 5 after installation, a positioning pin 33 for insertion into the bottom of the robotic arm 5 is also provided between the first positioning seat 31 and the second positioning seat 32.

[0041] In some embodiments of this utility model, the first positioning seat 31, the second positioning seat 32, and the positioning pin 33 are all integrally formed with the integrated protective cover body 1. This facilitates quick assembly and disassembly of the entire propeller anti-winding protective cover 100 and ensures the overall strength of the integrated protective cover body 1. In specific implementations of this utility model, the integrated protective cover body 1 can be manufactured using plastic (such as PA6, ABS, PLA, etc.) through integral molding.

[0042] In some embodiments of this utility model, in order to better protect the rotor assembly 6 and prevent the rotor assembly 6 from being damaged by entanglement, scratching, or impact, resulting in blade cracks, motor failure, or even drone crash, the integrated protective cover body 1 includes a top protective structure 13, a bottom protective structure 14, and a side protective structure 15. The side protective structure 15 is connected between the top protective structure 13 and the bottom protective structure 14. The top protective structure 13 is mainly used to protect the top of the rotor assembly 6, the side protective structure 15 is mainly used to protect the sides of the rotor assembly 6, and the bottom protective structure 14 is mainly used to connect with the arm 5 and also provides some protection to the bottom of the rotor assembly 6.

[0043] Since the top of the rotor assembly 6 is most prone to entanglement, scratches, and collisions, in order to better protect the top of the rotor assembly 6, the top protection structure 13 of this utility model is designed to include an inner protective ring 131, an outer protective ring 132, and several first straight connecting strips 133 connecting the inner protective ring 131 and the outer protective ring 132.

[0044] In some embodiments of this utility model, in order to better achieve side protection, the side protection structure 15 includes an arc-shaped protective strip 151, a plurality of first arc-shaped connecting strips 152 connecting the arc-shaped protective strip 151 and the top protective structure 13, and a plurality of second arc-shaped connecting strips 153 connecting the arc-shaped protective strip 151 and the bottom protective structure 14.

[0045] Furthermore, the bottom protective structure 14 includes several second straight connecting strips 141 extending from the center of the bottom outwards, with each second arc-shaped connecting strip 153 connected to one second straight connecting strip 141. In a specific implementation, the bottom protective structure 14 can be designed to include four second straight connecting strips 141 extending from the center of the bottom outwards, while the side protective structure 15 can be designed to include three second arc-shaped connecting strips 153, with each second arc-shaped connecting strip 153 connected to one second straight connecting strip 141. The remaining second straight connecting strip 141 is used to set a second positioning seat 32 to position the middle of the arm 5. The positioning pin 33 is set in the middle of the bottom protective structure 14. One of the three second straight connecting strips 141 connected to the second arc-shaped connecting strips 153 is provided with a first positioning seat 31, and the second straight connecting strip 141 with the first positioning seat 31 and the second straight connecting strip 141 with the second positioning seat 32 are on the same straight line.

[0046] In some embodiments of this utility model, to facilitate actual disassembly and installation operations, the quick-release positioning pin 2 is specifically a ball-head locking pin with a button. During installation and disassembly, simply pressing the button allows the quick-release positioning pin 2 to be quickly inserted into the first positioning pin hole 312 and the second positioning pin hole 322, or to be quickly pulled out of the first positioning pin hole 312 and the second positioning pin hole 322. After installation, simply releasing the button achieves the limiting function, ensuring that the quick-release positioning pin 2 will not automatically disengage from the first positioning seat 31 and the second positioning seat 32 without manual intervention. The ball-head locking pin with the button is a type of existing locking pin, such as the quick-release pin disclosed in application number CN201921521273.5.

[0047] Example 2

[0048] Please see the appendix Figures 1 to 6 As shown, this utility model discloses a drone 200, which includes a fuselage body 4, four arms 5 connected to the fuselage body 4, rotor assemblies 6 disposed at the free ends of each arm 5, and blade anti-entanglement covers 100. The rotor assemblies 6 are specifically mounted on the rotor mounting parts 51 of the arms 5. Each rotor assembly 6 is equipped with a blade anti-entanglement cover 100. The free ends of the arms 5 and the rotor assemblies 6 extend into the receiving chamber 11 of the blade anti-entanglement cover 100. The arms 5 are placed in the arm positioning groove of the blade anti-entanglement cover 100, and the arms 5 are positioned on the arm positioning structure 3 by quick-release positioning pins 2 inserted into the positioning pin holes. The specific structure and technical effects of the blade anti-entanglement cover 100 are exactly the same as those in Embodiment 1. For details, please refer to the detailed description of Embodiment 1, which will not be repeated here. By equipping each rotor assembly 6 of the drone 200 with a blade anti-entanglement cover 100, it is possible to effectively prevent the rotor assembly 6 from cracking and breaking, causing motor failure, or even crashing of the drone 200 due to entanglement, scratching, or impact during flight. At the same time, it can also prevent the rotor assembly 6 from injuring people around it during use.

[0049] In some embodiments of this utility model, each of the free ends of the arm 5 is provided with a pin hole 52. During installation, the positioning pin 33 on the arm positioning structure 3 of the blade anti-winding cover 100 needs to be inserted into the pin hole 52.

[0050] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quick-release anti-tangle cover for propeller blades, characterized in that, It includes an integrated protective cover body and quick-release positioning pins; the integrated protective cover body has a receiving chamber, and one side of the integrated protective cover body has an insertion opening for the rotor assembly to extend into the receiving chamber; the inner bottom of the integrated protective cover body is provided with an arm positioning structure, the arm positioning structure has an arm positioning groove, and positioning pin holes are symmetrically arranged on both sides of the arm positioning groove, and quick-release positioning pins are inserted into the positioning pin holes.

2. The quick-release propeller anti-winding cover according to claim 1, characterized in that, The arm positioning structure includes a first positioning seat for positioning the free end of the arm and a second positioning seat for positioning the middle part of the arm. A first arm positioning groove is formed on the first positioning seat, and first positioning pin holes are symmetrically arranged on both sides of the first arm positioning groove. A second arm positioning groove is formed on the second positioning seat, and second positioning pin holes are symmetrically arranged on both sides of the second arm positioning groove. Quick-release positioning pins are inserted into both the first positioning pin holes and the second positioning pin holes. The rotor assembly is located between the first positioning seat and the second positioning seat.

3. The quick-release propeller anti-winding cover according to claim 2, characterized in that, A positioning pin for insertion into the bottom of the arm is also provided between the first positioning seat and the second positioning seat.

4. The quick-release propeller anti-winding cover according to claim 3, characterized in that, The first positioning seat, the second positioning seat, and the positioning pin are all integrally formed with the one-piece protective cover body.

5. The quick-release propeller anti-winding cover according to claim 1, characterized in that, The integrated protective cover body includes a top protective structure, a bottom protective structure and a side protective structure, with the side protective structure connected between the top protective structure and the bottom protective structure; The top protective structure includes an inner protective ring, an outer protective ring, and several first straight connecting strips connecting the inner protective ring and the outer protective ring.

6. The quick-release propeller anti-winding cover according to claim 5, characterized in that, The side protection structure includes an arc-shaped protective strip, several first arc-shaped connecting strips connecting the arc-shaped protective strip and the top protection structure, and several second arc-shaped connecting strips connecting the arc-shaped protective strip and the bottom protection structure.

7. The quick-release propeller anti-winding cover according to claim 6, characterized in that, The bottom protective structure includes several second straight connecting strips extending from the center of the bottom outwards, with each second arc-shaped connecting strip connected to a second straight connecting strip.

8. A quick-release propeller anti-winding cover according to any one of claims 1-7, characterized in that, The quick-release positioning pin is a ball-head locking pin with a button.

9. A drone, comprising a fuselage, four arms connected to the fuselage, and rotor assemblies disposed at the free ends of each arm; characterized in that, It also includes the blade anti-winding shield as described in any one of claims 1-8, wherein each rotor assembly is equipped with a blade anti-winding shield, the free end of the arm and the rotor assembly extend into the receiving chamber of the blade anti-winding shield, the arm is placed in the arm positioning groove of the blade anti-winding shield, and the arm is positioned on the arm positioning structure by a quick-release positioning pin inserted into the positioning pin hole.

10. The unmanned aerial vehicle according to claim 9, characterized in that, Each of the aforementioned arms has a pin hole at the bottom of its free end.

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