Portable emergency search and rescue unmanned aerial vehicle
By designing detachable and retractable components, the problem of the inability to detach the arms of emergency search and rescue drones was solved, thus improving portability and maintenance efficiency.
Patent Information
- Application Number
- CN202520388970.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-07
AI Technical Summary
The arms of existing emergency search and rescue drones cannot be disassembled, resulting in inconvenience in carrying and high maintenance costs.
The design incorporates disassembly and retraction components, including a moving frame, screw rods, movable sleeves, resistance rods, telescopic springs, positioning rods, and drive motors. The disassembly and retraction of the arm are achieved through the coordinated action of these components.
It enables easy disassembly and storage of drones when not in use, reducing space occupation and simplifying carrying and storage. Furthermore, it allows for quick disassembly and replacement of damaged arms, reducing maintenance time and costs.
Smart Images

Figure CN223803834U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to unmanned plane technical field especially, it relates to a portable emergency search and rescue unmanned plane. BACKGROUND
[0002] The unmanned plane full name unmanned aerial vehicle is the aerial vehicle that can complete the flight task without the pilot on the machine operation, and the unmanned plane can fly through the remote control system of the ground station or the preset program, and according to the different purposes and designs, the unmanned plane can be divided into multiple types, is widely used in various fields, and the development of unmanned plane technology is rapid, and the application field is also expanding.
[0003] Now, the emergency search and rescue unmanned plane used can not disassemble the arm of the unmanned plane, so that the unmanned plane is inconvenient to carry, and the occupation space of the unmanned plane is increased when not being used, the unmanned plane is inconvenient to store, and when the arm of the unmanned plane is damaged, the local arm cannot be disassembled and repaired, and the maintenance cost of the unmanned plane is increased, therefore, a portable emergency search and rescue unmanned plane is provided. UTILITY MODEL CONTENT
[0004] The utility model aims at: in order to solve the problem that the arm of the unmanned plane can not be disassembled, so that the unmanned plane is inconvenient to carry, and a portable emergency search and rescue unmanned plane is provided.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a portable emergency search and rescue unmanned plane, including the body, the lateral wall of the body is provided with the arm, the upper surface of the arm is provided with the propeller, the inside of the body is provided with the disassembly component, the inside of the body is provided with the contraction component;
[0006] The disassembly component includes a moving frame and a screw rod, the lateral wall of the moving frame is provided with a positioning hole, the outer wall of the screw rod is rotatably provided with a movable sleeve, the outer wall of the movable sleeve is fixedly provided with a resistance rod, the inside of the arm is provided with a groove, the inner side wall of the groove is fixedly provided with a baffle, the lateral wall of the groove is fixedly provided with a telescopic spring, one end of the telescopic spring is fixedly provided with a fixed ring, and the inner wall of the fixed ring is fixedly provided with a positioning rod.
[0007] Further description of the above technical scheme:
[0008] The outer wall of the screw rod is threadedly connected with the inner wall of the arm, one end of the positioning rod extends to the outer side wall of the baffle, and one end of the resistance rod is provided in an inclined shape.
[0009] Further description of the above technical scheme:
[0010] The outer wall of the positioning rod is in sliding connection with the inner wall of the partition plate, the other end of the positioning rod extends to the outside of the groove, and the other end of the positioning rod extends to the positioning hole of the moving frame.
[0011] As a further description of the above technical solution:
[0012] The contraction assembly comprises a driving motor, the upper surface of the driving motor is fixedly connected with the top inner wall of the machine body, the output end of the driving motor is fixedly installed with a first threaded rod, and the outer wall of the first threaded rod is fixedly installed with a first bevel gear.
[0013] As a further description of the above technical solution:
[0014] The outer surface of the first threaded rod is threadedly installed with a threaded frame, the lower surface of the threaded frame extends to the outside of the lower surface of the machine body and is fixedly installed with a support plate, and the outer wall of the threaded frame is in sliding connection with the inner wall of the shell cavity of the machine body.
[0015] As a further description of the above technical solution:
[0016] The inner side wall of the machine body is rotatably installed with a second threaded rod, one end of the second threaded rod is fixedly installed with a second bevel gear, the outer wall of the second threaded rod is threadedly installed with a threaded sleeve, the outer wall of the threaded sleeve is fixedly installed with a moving plate, the inner side wall of the machine body is fixedly installed with a limiting rod, the outer wall of the limiting rod is in sliding connection with the inner wall of the moving plate, and the side wall of the moving plate is fixedly connected with one end of the moving frame.
[0017] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are:
[0018] 1、The utility model discloses a detachable assembly is arranged, and the fixed ring on the positioning rod is extruded by the extension spring, and the fixed ring drives the positioning rod to move in the partition plate, and the positioning rod moves on the inclined surface of the resistance rod under the action of the inclined surface of the resistance rod, and then the positioning rod is moved out from the positioning hole of the moving frame through the extension spring and the fixed ring, the arm is drawn out from the moving frame at this time, and the propeller is synchronously moved by the arm, and the remaining arms are detached from the moving frame, when the unmanned plane is not used, the arm can be easily detached, the occupied space can be greatly reduced, the unmanned plane is more easily carried and stored, when the arm of the unmanned plane is damaged, the damaged part can be quickly detached and replaced, and the maintenance time and cost can be reduced.
[0019] 2. The utility model discloses a retracting assembly is set up, and the first bevel gear drives the rotation of both sides' second bevel gear, and the second bevel gear drives the rotation of corresponding second threaded rod, and both sides' second threaded rod moves corresponding threaded bush through the thread drive, under the location of the limit rod, both sides' threaded bush drives corresponding moving plate to move on the limit rod, at this moment, moving plate drives both sides' moving frame synchronous movement, and then through both sides' moving plate, corresponding moving frame is retracted in the body, when the unmanned plane support leg and arm support are received, can effectively avoid the risk that these components are damaged because of the collision or scratch, facilitate the staff to the use and carrying of unmanned plane, improve the portability of unmanned plane. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a kind of portable emergency search and rescue unmanned plane's three-dimensional structure schematic diagram.
[0021] Figure 2 It is a kind of portable emergency search and rescue unmanned plane in partial three-dimensional exploded view schematic diagram of dismounting component.
[0022] Figure 3 It is a kind of portable emergency search and rescue unmanned plane in screw rod and arm three-dimensional exploded structure schematic diagram.
[0023] Figure 4 It is a kind of portable emergency search and rescue unmanned plane's internal three-dimensional exploded structure schematic diagram.
[0024] Figure 5 It is a kind of portable emergency search and rescue unmanned plane in partial three-dimensional exploded view schematic diagram of retracting assembly.
[0025] Figure 6 It is a kind of portable emergency search and rescue unmanned plane in second threaded rod three-dimensional exploded structure schematic diagram.
[0026] LEGEND:
[0027] 1, body;2, arm;3, propeller;4, dismounting component;41, moving frame;42, screw rod;43, movable sleeve;44, resistance rod;45, recess;46, baffle;47, extension spring;48, fixed ring;49, positioning rod;5, retracting assembly;51, support plate;52, first threaded rod;53, threaded frame;54, drive motor;55, first bevel gear;56, second threaded rod;57, second bevel gear;58, threaded bush;59, limit rod;510, moving plate. DETAILED DESCRIPTION
[0028] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.
[0029] Please refer to Figures 1-6 The utility model provides a technical scheme: a kind of portable emergency search and rescue unmanned aerial vehicle, including body 1, the lateral wall of body 1 is provided with arm 2, the upper surface of arm 2 is provided with propeller 3, the inside of body 1 is provided with disassembly component 4, the inside of body 1 is provided with contraction component 5;
[0030] The disassembly component 4 includes moving frame 41 and screw rod 42, the lateral wall of moving frame 41 is provided with positioning hole, the outer wall of screw rod 42 is rotatably installed with movable sleeve 43, the outer wall of movable sleeve 43 is fixedly installed with resistance rod 44, the inside of arm 2 is provided with recess 45, the inner side wall of recess 45 is fixedly installed with partition 46, the lateral wall of recess 45 is fixedly installed with telescopic spring 47, one end of telescopic spring 47 is fixedly installed with fixed ring 48, the inner wall of fixed ring 48 is fixedly installed with positioning rod 49, the outer wall of screw rod 42 is threadedly connected with the inner wall of arm 2, one end of positioning rod 49 extends to the lateral wall outside partition 46, one end of resistance rod 44 is provided with inclined shape, the outer wall of positioning rod 49 is slidably connected with the inner wall of partition 46, the other end of positioning rod 49 extends to the outside of recess 45, the other end of positioning rod 49 extends to the positioning hole of moving frame 41.
[0031] The specific implementation is: rotating screw rod 42 on arm 2, screw rod 42 is removed from arm 2 by thread at the same time, at this time, screw rod 42 drives movable sleeve 43 to move synchronously, movable sleeve 43 drives resistance rod 44 to move out of recess 45, recess 45 is provided to facilitate hiding positioning rod 49, when resistance rod 44 moves out of recess 45, at this time, under the elastic force of telescopic spring 47, telescopic spring 47 extrudes fixed ring 48 on positioning rod 49, fixed ring 48 drives positioning rod 49 to move in partition 46, at this time, positioning rod 49 moves on the inclined surface of resistance rod 44 under the action of the inclined surface of resistance rod 44, and then positioning rod 49 is moved out of the positioning hole of moving frame 41 by telescopic spring 47 and fixed ring 48, at this time, arm 2 is extracted from moving frame 41, and arm 2 drives propeller to move synchronously.
[0032] The contraction assembly 5 comprises a driving motor 54, the upper surface of the driving motor 54 is fixedly connected with the top inner wall of the body 1, the output end of the driving motor 54 is fixedly installed with a first threaded rod 52, the outer wall of the first threaded rod 52 is fixedly installed with a first bevel gear 55, the outer surface of the first threaded rod 52 is threadedly installed with a threaded frame 53, the lower surface of the threaded frame 53 extends to the lower surface outside of the body 1 and is fixedly installed with a support plate 51, the outer wall of the threaded frame 53 is slidingly connected with the shell cavity inner wall of the body 1, the inner side wall of the body 1 is rotatably installed with a second threaded rod 56, one end of the second threaded rod 56 is fixedly installed with a second bevel gear 57, the outer wall of the second threaded rod 56 is threadedly installed with a threaded sleeve 58, the outer wall of the threaded sleeve 58 is fixedly installed with a moving plate 510, the inner side wall of the body 1 is fixedly installed with a limiting rod 59, the outer wall of the limiting rod 59 is slidingly connected with the inner wall of the moving plate 510, and the side wall of the moving plate 510 is fixedly connected with one end of the moving frame 41.
[0033] The specific implementation manner is as follows: then the driving motor 54 in the body 1 is started, the driving motor 54 drives the first threaded rod 52 to rotate, the first threaded rod 52 drives the threaded frame 53 to move synchronously through threads, the threaded frame 53 moves in the body 1, so that the threaded frame 53 is limited, the threaded frame 53 drives the corresponding support plate 51 on the lower surface of the body 1 to move synchronously, and then the threaded frame 53 is used to paste the two support plates 51 on the lower surface of the body 1, the first threaded rod 52 drives the first bevel gear 55 to rotate synchronously while rotating, the first bevel gear 55 drives the two second bevel gears 57 to rotate, the second bevel gears 57 drive the corresponding second threaded rods 56 to rotate, the two second threaded rods 56 drive the corresponding threaded sleeves 58 to move through threads, under the limitation of the limiting rod 59, the threaded sleeve 58 is used to drive the moving plate 510 to move through the limiting rod 59, the two threaded sleeves 58 drive the corresponding moving plates 510 to move on the limiting rod 59, at this time, the moving plate 510 drives the two moving frames 41 to move synchronously, and then the two moving plates 510 are used to retract the corresponding moving frames 41 into the body 1.
[0034] Working principle: when the unmanned aerial vehicle needs to be carried, first rotate the screw rod 42 on the machine arm 2, the screw rod 42 is moved out from the machine arm 2 through the thread while rotating, at this time the movable sleeve 43 is synchronously moved by the screw rod 42, the movable sleeve 43 drives the resistance rod 44 to move out from the groove 45, when the resistance rod 44 moves out from the groove 45, at this time the fixed ring 48 on the positioning rod 49 is extruded by the elastic force of the telescopic spring 47, the fixed ring 48 drives the positioning rod 49 to move in the partition plate 46, at this time the positioning rod 49 moves on the inclined surface of the resistance rod 44 under the action of the inclined surface of the resistance rod 44, and then the positioning rod 49 is moved out from the positioning hole of the moving frame 41 through the telescopic spring 47 and the fixed ring 48, at this time the machine arm 2 is pulled out from the moving frame 41, and the propeller is synchronously moved by the machine arm 2, and the remaining machine arms 2 are removed from the moving frame 41, then the driving motor 54 in the machine body 1 is started, the driving motor 54 drives the first threaded rod 52 to rotate, the first threaded rod 52 drives the threaded frame 53 to synchronously move through the thread, the threaded frame 53 drives the corresponding support plate 51 on the lower surface of the machine body 1 to synchronously move, and then the two support plates 51 are attached to the lower surface of the machine body 1 through the threaded frame 53, the first bevel gear 55 is synchronously rotated by the first threaded rod 52 rotating, the second bevel gears 57 on the two sides are rotated by the first bevel gear 55, the corresponding second threaded rods 56 are rotated by the second bevel gears 57, the corresponding threaded sleeves 58 are moved by the two second threaded rods 56 through the thread, and the corresponding moving plates 510 are moved on the limiting rods 59 by the two threaded sleeves 58 under the limiting of the limiting rods 59, at this time the moving plates 510 drive the two moving frames 41 to synchronously move, and then the corresponding moving frames 41 are retracted into the machine body 1 through the two moving plates 510, so as to facilitate carrying the unmanned aerial vehicle.
[0035] The above merely describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A portable emergency search and rescue drone characterized by: The utility model provides a kind of unmanned aerial vehicle, including body (1), the side wall of the body (1) is provided with machine arm (2), the upper surface of the machine arm (2) is provided with propeller (3), the inside of the body (1) is provided with disassembly component (4), the inside of the body (1) is provided with shrink component (5); The disassembly component (4) includes moving frame (41) and screw rod (42), the side wall of the moving frame (41) is provided with positioning hole, the outer wall of the screw rod (42) is rotatably installed with movable sleeve (43), the outer wall of the movable sleeve (43) is fixedly installed with resistance rod (44), the inside of the machine arm (2) is provided with recess (45), the inner side wall of the recess (45) is fixedly installed with baffle (46), the side wall of the recess (45) is fixedly installed with telescopic spring (47), one end of the telescopic spring (47) is fixedly installed with fixed ring (48), the inner wall of the fixed ring (48) is fixedly installed with positioning rod (49).
2. The portable emergency search and rescue drone of claim 1, wherein, The outer wall of the screw rod (42) is threadedly connected with the inner wall of the machine arm (2), one end of the positioning rod (49) extends to the outside of the side wall of the baffle (46), and one end of the resistance rod (44) is provided in an inclined manner.
3. The portable emergency search and rescue drone of claim 2, wherein, The outer wall of the positioning rod (49) is slidably connected with the inner wall of the baffle (46), the other end of the positioning rod (49) extends to the outside of the recess (45), and the other end of the positioning rod (49) extends into the positioning hole of the moving frame (41).
4. The portable emergency search and rescue drone of claim 3, wherein, The shrink component (5) includes a drive motor (54), the upper surface of the drive motor (54) is fixedly connected with the top inner wall of the body (1), the output end of the drive motor (54) is fixedly installed with a first threaded rod (52), and the outer wall of the first threaded rod (52) is fixedly installed with a first bevel gear (55).
5. The portable emergency search and rescue drone of claim 4, wherein, The outer surface of the first threaded rod (52) is threadedly installed with a threaded frame (53), the lower surface of the threaded frame (53) extends to the outside of the lower surface of the body (1) and is fixedly installed with a support plate (51), and the outer wall of the threaded frame (53) is slidably connected with the cavity inner wall of the body (1).
6. The portable emergency search and rescue drone of claim 5, wherein, A second threaded rod (56) is rotatably installed on the inner side wall of the body (1), one end of the second threaded rod (56) is fixedly installed with a second bevel gear (57), the outer wall of the second threaded rod (56) is threadedly installed with a threaded sleeve (58), the outer wall of the threaded sleeve (58) is fixedly installed with a moving plate (510), a limiting rod (59) is fixedly installed on the inner side wall of the body (1), the outer wall of the limiting rod (59) is slidably connected with the inner wall of the moving plate (510), and the side wall of the moving plate (510) is fixedly connected with one end of the moving frame (41).