An unmanned aerial vehicle boom assembly

Abstract

The utility model discloses an unmanned plane arm pole subassembly relates to arm pole subassembly technical field, aims at providing an unmanned plane arm pole subassembly of telescopic, including forearm pole and rear arm pole, and the length direction of rear arm pole is built -in telescopic cavity for the movement of forearm pole, and there is fixed component between forearm pole and rear arm pole, and fixed component includes fixed block, moving block and nut, and the movable rod is equipped on moving block, and the first insertion hole and second insertion hole that cooperate with movable rod are seted up on forearm pole, and fixed block is fixedly connected with rear arm pole, and the first threaded section and second threaded section that are adapted with nut are equipped outside fixed block and moving block respectively, and the first threaded section and second threaded section of nut threadedly sleeved in fixed block and moving block, and the forearm pole in this application is telescopic design with rear arm pole, and forearm pole can stretch out from telescopic cavity, avoid the interference of helical blade when running, also can be withdrawn to telescopic cavity, reduce the floor area of unmanned plane.

Description

Technical Field

[0001] This utility model relates to the field of boom assembly technology, and more specifically, to a drone boom assembly. Background Technology

[0002] With the continuous advancement of technology, drones are being used more and more widely in various fields, such as aerial photography, surveying and mapping, logistics, and agricultural plant protection. As the performance and functions of drones continue to improve, higher requirements are being placed on their structural design.

[0003] The drone's fuselage and propeller blades are connected by a boom assembly, and the length of the propeller blades has a significant impact on the drone's performance. For example, longer blades can generate greater thrust, thereby increasing the drone's payload capacity and enabling it to carry heavier equipment or supplies. Simultaneously, longer blades can improve the drone's flight efficiency, extend its endurance, and allow it to fly farther on a single charge or refueling. Furthermore, longer blades can enhance flight stability, making the drone more stable and reliable when facing complex weather conditions or performing high-precision operations.

[0004] To increase the length of the propeller blades and avoid interference between them, the boom assembly generally needs to be designed to be quite long. However, this results in a large footprint for the drone when not in use, making it inconvenient to carry, store, and transport. Especially in situations with limited space, such as indoors, in vehicles, or in small storage rooms, the excessive size of the drone can cause many inconveniences.

[0005] Therefore, a telescopic drone boom assembly is needed to solve the aforementioned problems. This telescopic boom assembly can extend during use, allowing the propeller blades to fully utilize their performance advantages and avoiding interference between blades; when not in use, it can retract, reducing the drone's footprint and improving its portability and storage efficiency. This will make drones more flexible and convenient in various application scenarios, meeting the needs of different users. Utility Model Content

[0006] In view of the problems existing in the prior art, this utility model provides a drone arm assembly to solve the technical problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a drone arm assembly, including a front arm and a rear arm, wherein the rear arm has a built-in telescopic cavity for the front arm to move along its length, and a fixing assembly is provided between the front arm and the rear arm, the fixing assembly including a fixing block, a moving block and a nut, wherein the moving block is provided with a plug rod, and the front arm has a first insertion hole and a second insertion hole that cooperate with the plug rod, the fixing block is fixedly connected to the rear arm, and the fixing block and the moving block are respectively provided with a first threaded section and a second threaded section that are adapted to the nut, and the nut is threadedly sleeved on the first threaded section and the second threaded section of the fixing block and the moving block.

[0008] The present invention is further provided that the rear arm has a third threaded section adapted to the nut.

[0009] The present invention is further provided that the fixing block is provided with a stop for limiting the nut.

[0010] The present invention is further configured such that a guide rod is fixed on the movable block, the tail end of the guide rod has a limiting head, a limiting hole adapted to the limiting head is provided on the fixed block, a limiting ring is provided at the end of the limiting hole near the movable block, the guide rod passes through the limiting ring and the limiting head is placed in the limiting hole.

[0011] The present invention is further configured such that a guide groove is provided on the forearm rod, and a guide strip adapted to the guide groove is provided in the telescopic cavity of the rear arm rod for guiding the forearm rod.

[0012] The present invention is further configured such that the forearm bar has a threading cavity for the cable to pass through.

[0013] The present invention is further configured such that there are two fixed blocks and two movable blocks, and the two movable blocks are symmetrically arranged on both sides of the forearm rod.

[0014] Compared with the prior art, the present invention provides a drone arm assembly with the following advantages: 1. The forearm and rear arm in this application are telescopic. The forearm can extend from the telescopic cavity to avoid interference between the propeller blades during operation, or it can be retracted into the retractable cavity to reduce the footprint of the UAV.

[0015] 2. In this application, after the forearm and rear arm are extended or retracted, the forearm arm can be fixed by a fixing component to prevent it from shifting during flight.

[0016] 3. The fixing component in this application has a simple structure, and it is easy to operate when adjusting the position of the front arm and rear arm, saving time and effort. Attached Figure Description

[0017] Figure 1This is a schematic diagram of the overall structure of a drone arm assembly according to the present invention; Figure 2 This is an exploded structural diagram of the fixing component in this utility model; Figure 3 This is a schematic diagram of the structure of the fixing block and the rear arm rod in this utility model; Figure 4 This is a schematic diagram of the forearm rod in this utility model.

[0018] In the diagram: 1. Front arm; 101. First insertion hole; 102. Second insertion hole; 103. Guide groove; 104. Threading cavity; 2. Rear arm; 201. Telescopic cavity; 202. Third threaded section; 203. Guide bar; 3. Fixing assembly; 301. Fixing block; 3011. First threaded section; 3012. Stop block; 302. Moving block; 3021. Second threaded section; 303. Nut; 304. Insertion rod; 305. Guide rod; 306. Limiting head; 307. Limiting hole; 308. Limiting ring. Detailed Implementation

[0019] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0020] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0021] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0022] Please see Figure 1-4The drone boom assembly includes a front boom 1 and a rear boom 2. The rear boom 2 has a built-in telescopic cavity 201 along its length for the front boom 1 to move. A fixing assembly 3 is provided between the front boom 1 and the rear boom 2. The fixing assembly 3 includes a fixing block 301, a moving block 302, and a nut 303. The moving block 302 is provided with an insertion rod 304. The front boom 1 has a first insertion hole 101 and a second insertion hole 102 that mate with the insertion rod 304. The fixing block 301 is fixedly connected to the rear boom 2. The front arm 1 and the movable block 302 are respectively provided with a first threaded section 3011 and a second threaded section 3021 adapted to the nut 303. The nut 303 is threadedly sleeved on the first threaded section 3011 and the second threaded section 3021 of the fixed block 301 and the movable block 302. The rear arm 2 is provided with a third threaded section 202 adapted to the nut 303. The fixed block 301 is provided with a stop block 3012 for limiting the nut 303. The front arm 1 has a cable passage cavity 104 for the cable to pass through.

[0023] In practical applications, the cable is passed through the cable-passing cavity 104, so that the pre-set spiral blades on the forearm 1 are electrically connected to the fuselage connected to the rear arm. When flight is required, the forearm 1 is moved outward so that it extends out of the telescopic cavity 201 and is fixed to the forearm 1 by the fixing component 3 and the first insertion hole 101 on the forearm 1. When the drone needs to be stored, the forearm 1 is retracted into the telescopic cavity 201 and fixed to the forearm 1 by the fixing component 3 and the second insertion hole 102 on the forearm 1.

[0024] In this embodiment, a guide rod 305 is fixed on the movable block 302. The tail end of the guide rod 305 has a limiting head 306. A limiting hole 307 adapted to the limiting head 306 is opened on the fixed block 301. A limiting ring 308 is opened at one end of the limiting hole 307 near the movable block 302. The guide rod 305 passes through the limiting ring 308 and the limiting head 306 is placed in the limiting hole 307. A guide groove 103 is opened on the forearm rod 1. A guide strip 203 adapted to the guide groove 103 is provided in the telescopic cavity 201 of the rear arm rod 2 for guiding the forearm rod 1. There are two fixed blocks 301 and two movable blocks 302, and the two movable blocks 302 are symmetrically arranged on both sides of the forearm rod 1.

[0025] In practical applications, when it is necessary to move the forearm 1, first rotate the nut 303 to rotate it from the fixed block 301 and the moving block 302 onto the rear arm 2. At this time, the moving block 302 can be pulled outward to move the insertion rod 304 out of the first insertion hole 101 or the second insertion hole 102. During this process, the guide rod 305 cooperates with the limiting ring 308 to guide the movement until the limiting head 306 is in contact with the limiting ring 308. At this time, the forearm 1 can move in the telescopic cavity 201 along the direction of the guide strip 203 and the guide groove 103. After it moves into place, the insertion rod 304 corresponds to the first insertion hole 101 or the second insertion hole 102. Reverse the above operation to insert the insertion rod 304 into the first insertion hole 101 or the second insertion hole 102, and tighten the nut 303 on the outside of the fixed block 301 and the moving block 302 to fix the moving block 302, thereby fixing the forearm 1.

[0026] Of all the solutions mentioned above, those involving a fixed connection between two components are preferably welded. 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 drone boom assembly, characterized in that, The device includes a forearm (1) and a rear arm (2). The rear arm (2) has a telescopic cavity (201) built into its length direction for the forearm (1) to move. There is a fixing component (3) between the forearm (1) and the rear arm (2). The fixing component (3) includes a fixing block (301), a moving block (302) and a nut (303). The moving block (302) is provided with a rod (304). The forearm (1) is provided with a first insertion hole (101) and a second insertion hole (102) that cooperate with the rod (304). The fixing block (301) is fixedly connected to the rear arm (2). The fixing block (301) and the moving block (302) are respectively provided with a first threaded section (3011) and a second threaded section (3021) that are adapted to the nut (303). The nut (303) is threadedly sleeved on the first threaded section (3011) and the second threaded section (3021) of the fixing block (301) and the moving block (302).

2. The UAV arm assembly according to claim 1, characterized in that, The rear arm (2) is provided with a third threaded section (202) that is compatible with the nut (303).

3. The UAV arm assembly according to claim 1, characterized in that, The fixing block (301) is provided with a stop (3012) for limiting the nut (303).

4. The UAV arm assembly according to claim 1, characterized in that, A guide rod (305) is fixed on the movable block (302). The tail end of the guide rod (305) has a limiting head (306). A limiting hole (307) adapted to the limiting head (306) is opened on the fixed block (301). A limiting ring (308) is provided at one end of the limiting hole (307) near the movable block (302). The guide rod (305) passes through the limiting ring (308) and the limiting head (306) is placed in the limiting hole (307).

5. The UAV arm assembly according to claim 1, characterized in that, The forearm rod (1) is provided with a guide groove (103), and the telescopic cavity (201) of the rear arm rod (2) is provided with a guide strip (203) that is compatible with the guide groove (103) for guiding the forearm rod (1).

6. The UAV arm assembly according to claim 1, characterized in that, The forearm rod (1) has a cable passage cavity (104) for cables to pass through.

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