A drone motor assembly device

Through mechanical linkage and elastic locking design, screwless and rapid assembly of drone motors is achieved, solving the problems of cumbersome and easy loosening in the traditional installation process, and improving assembly efficiency and safety.

CN120474288BActive Publication Date: 2026-03-06DEXINLONG (SUZHOU) INTELLIGENT EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-05-12
Publication Date
2026-03-06

AI Technical Summary

Technical Problem

The installation of drone motors relies on a large number of screws for fastening, which is cumbersome and prone to loosening. This is especially inefficient in field operations or emergency repair scenarios. Furthermore, the connection structure between the propeller and the motor body is complex and requires special tools for adjustment.

Method used

It adopts a mechanical linkage and elastic locking design, which replaces the traditional screw installation by elastically engaging the locking block and the ring groove, and locking the insertion block and the positioning groove, so as to achieve screwless and tool-free rapid assembly.

Benefits of technology

The installation process of the motor body is simplified, the use of screws is reduced, the assembly efficiency is improved, and the tedious and error-prone manual operation is avoided. It is suitable for rapid field repair and mass production, reduces labor costs and enhances safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to the field of motor assembly technology, and more particularly to a drone motor assembly device. It includes a support arm, a motor body, a mounting base, a mounting sleeve, a connecting ring, a mounting block, and a mounting strip. The mounting base is located on one side of the upper end of the support arm, and the motor body is housed inside the mounting base. A rotating shaft is located at the upper end of the motor body. A first collar is fitted onto the outer wall of the motor body, and the first collar has an annular groove at its upper end. A mounting seat is located at the upper end of the mounting base, and a top block is located at the upper end of the mounting seat. A mounting block is located below the top block, and mounting shafts are located at both ends of the mounting block. A torsion spring is fitted onto the outer side of each mounting shaft. A locking block is located at the lower end of the mounting block. A nut is located at one end of the connecting ring, and a second screw is mounted on the upper end of the bearing seat. This invention achieves elastic locking of the drone motor body through multi-stage elastic fitting components, ensuring the stable use of the elastic components and saving time and effort during drone motor assembly.
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Description

Technical Field

[0001] This invention relates to the field of motor assembly technology, and in particular to a motor assembly device for unmanned aerial vehicles (UAVs). Background Technology

[0002] Intelligent vehicles have become a certain trend. Whether it is assisted driving or fully autonomous driving, these are the current research and development directions for intelligent vehicles. For example, an intelligent vehicle carrying a drone is disclosed in the current announcement number CN114919487B. Figure 16 The system includes a vehicle body with an intelligent parking bay mounted on it. The intelligent parking bay houses a drone equipped with a camera and an inflation device. The intelligent parking bay, the drone, and the vehicle's control system communicate wirelessly. The intelligent parking bay includes a bay body, an electric door, and a control system. The bay body contains a locking mechanism for securing the drone and a wireless charging device for charging the drone. The vehicle control system includes a tire pressure monitoring module for detecting the tire pressure of all four wheels. The drone enables functions such as monitoring the surrounding environment.

[0003] The motor of an intelligent car drone is the core of the drone's power system, directly determining its flight performance. It converts electrical energy into mechanical energy, drives the propeller to rotate and generate lift or thrust, and achieves precise attitude control of the drone by adjusting the speed of different motors.

[0004] The installation steps for the motors of intelligent car drones include preparation, positioning and fixing, motor steering calibration, electrical connection, and propeller installation. This involves preparing screwdrivers, threadlocker, insulating washers, and a multimeter to match the motor screw specifications; disconnecting the battery power; wearing an anti-static wrist strap; placing the motor on the electrical mounting bracket at the end of the drone arm; aligning the mounting holes with the motor flange holes; and tightening the screws through the flange holes to the drone arm. A single drone is equipped with numerous motors, resulting in a large number of screws to install, which is tedious and time-consuming. Therefore, those skilled in the art have provided a drone motor assembly device to solve the problems mentioned in the background section. Summary of the Invention

[0005] The purpose of this invention is to address the problems existing in the background art by proposing a drone motor assembly device.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a drone motor assembly device, comprising a support arm, a motor body, a mounting base, a mounting sleeve, a connecting ring, a mounting block, and a mounting strip, wherein the motor body is limited by the mounting base; the motor body includes a base, a plug, an iron core coil assembly, and a housing, wherein the base is placed inside the mounting base and limited by the mounting base, a plug is provided at one end of the base, the iron core coil assembly is inserted into the plug, the housing is sleeved on the outside of the iron core coil assembly and fixed to the base, and the housing is limited by the mounting base; a mounting base is provided on one side of the upper end of the support arm, the motor body is provided inside the mounting base, a rotating shaft is provided at the upper end of the motor body, a mounting sleeve is sleeved on the outside of the rotating shaft, and blades are provided at both ends of the mounting sleeve; the motor body... A collar is fitted onto the outer wall. The upper end of the collar has an annular groove. The upper end of the assembly base has mounting seats arranged in an annular array. The upper end of the mounting seats has a top block. Below the top block is a mounting block. Both ends of the mounting block have mounting shafts that are rotatably mounted inside the mounting seat. Torsion springs are fitted onto the outer side of the mounting shafts, with their two ends respectively connected to the inner wall of the mounting seat and the outer wall of the mounting block. One side of the lower end of the mounting block has a mounting clip that engages with the annular groove. The upper end of the mounting block has an insertion hole. A rod is slidably inserted into the insertion hole. Each rod has a connecting ring at its upper end. One end of the connecting ring has a nut. One end of the assembly base has a bearing seat. The upper end of the bearing seat has a screw rod that is threadedly mounted to the nut. The upper end of the screw rod has a handle.

[0007] Preferably, one end of the mounting base is provided with a guide rod, and a guide sleeve connected to the connecting ring is slidably sleeved on the outer wall of the guide rod. The guide rod slides inside the guide sleeve, and the longitudinally moving connecting ring slides on the outer wall of the guide rod through the sliding sleeve, thereby providing longitudinal sliding guidance for the connecting ring.

[0008] Preferably, mounting holes are provided inside both the lower end of the mounting base and the support arm. These mounting holes are used for electrical connection, providing a mounting base for the electrical connection of the motor body.

[0009] Preferably, a ball bearing is rotatably mounted inside one end of the mounting block.

[0010] Preferably, the inner wall of the insertion hole is provided with a pull rope, the upper end of which is connected to the lower end of the insertion rod. When the outer wall of the mounting block is compressed, the friction and resistance during compression are reduced by ball bearings.

[0011] Preferably, a support ring is sleeved on the outer wall of the upper end of the insertion rod. A spring connected to the top block is provided at the upper end of the support ring. A sliding sleeve is embedded inside the upper end of the top block, and the upper end of the insertion rod is slidably installed inside the sliding sleeve. The support ring is elastically supported by the spring, and the elastic support force of the support ring acts on the insertion rod, and the sliding sleeve provides sliding support for the insertion rod, allowing the insertion rod to be slidably installed inside the top block.

[0012] Preferably, the upper end of the rotating shaft is hollow, and a second collar is fitted onto the outer wall of the rotating shaft. The upper end of the second collar has a positioning rod arranged in a ring array, and the lower end of the mounting sleeve has positioning holes arranged in a ring array that slidably engage with the positioning rods. The hollow upper end of the rotating shaft ensures the installation of structural components such as the screw and mounting strip. One end of the positioning rod is inserted into the positioning hole, positioning the mounting sleeve during installation.

[0013] Preferably, symmetrically distributed travel grooves are formed inside both ends of the rotating shaft, and positioning grooves corresponding to the travel grooves are formed on the inner walls of both ends of the mounting sleeve. A plug with one end inserted into the positioning groove is slidably inserted into the travel groove. During use, the travel groove provides sliding support for the laterally moving plug, and after the plug rod is inserted into the positioning groove, it engages and limits the mounting sleeve that is slidably sleeved on the outside of the rotating shaft.

[0014] Preferably, the upper end of the rotating shaft has a threaded hole, and a screw is threadedly installed inside the threaded hole. A torsion ring is provided at the upper end of the screw, and a compression cone is provided at the lower end of the screw. An installation strip is provided at one end of the insert block. A limit ring is sleeved on the outer wall of the installation strip, and a spring three connected to the limit ring and the inner wall of the rotating shaft is sleeved on the outer side of the installation strip. A ball bearing two, rotatably mounted to the compression cone, is rotatably installed inside one end of the installation strip. During the rotation of the screw within the threaded hole, the torsion ring facilitates the application of rotational force to the screw. When the screw drives the compression cone to move longitudinally, it reduces compression resistance and friction by compressing the ball bearing two at one end of the installation strip.

[0015] Preferably, the lower end of the torsion ring has a toothed groove arranged in a circular array, and a retaining tooth is slidably inserted into the toothed groove. The upper end of the mounting sleeve has a mounting hole, and a second spring is slidably inserted into the mounting hole. The upper end of the second spring is provided with a stroke rod connected to the retaining tooth, and one end of the stroke rod is provided with a pressure strip. When the torsion ring rotates, the retaining block is inserted into the retaining groove, applying resistance to the torsion ring. At the same time, through the elastic support of the second spring, the elastic support force of the second spring acts on the stroke rod, so that the retaining tooth is inserted into the toothed groove, ensuring the stability of the retaining tooth during use.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] The motor body of the UAV of this invention is installed inside the mounting base. During the assembly process, the gripping handle applies a rotational force to the second screw, which in turn applies a longitudinal pushing force to the nut. The connecting ring is forced to lift the insertion rod. After the insertion rod moves out of the insertion hole, a pulling force is applied to the mounting block through the pull rope. The mounting block rotates around the mounting shaft as the axis, while simultaneously applying a compressive force to the torsion spring. After the motor body is inserted into the mounting base and located at the lower end of the mounting block, the second screw rotates in the opposite direction. The torsion spring provides torsional elastic support for the mounting block to return to its original position and causes the locking block to engage with the inner wall of the ring groove, fixing the motor body. This avoids the installation of a large number of screws. Furthermore, during the torsional elastic support of the mounting block, the insertion rod engages with the insertion hole, limiting the rotation of the mounting shaft and preventing its rotation. This ensures stable use of the locking block, making the UAV motor assembly process time-saving and labor-saving. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention from a first perspective view;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure from the second perspective of the present invention;

[0020] Figure 3 This is a top-view three-dimensional structural diagram of the blade of the present invention;

[0021] Figure 4 This is a top-view perspective view of the connecting ring structure of the present invention;

[0022] Figure 5 This is a three-dimensional structural diagram of the motor body of the present invention, viewed from below.

[0023] Figure 6 This is a top-view three-dimensional structural diagram of the motor body of the present invention;

[0024] Figure 7 This is a three-dimensional structural diagram of the connecting ring of the present invention viewed from a first angle.

[0025] Figure 8 This is a three-dimensional structural diagram of the connecting ring of the present invention viewed from a second angle.

[0026] Figure 9 This is a side-view perspective three-dimensional structural diagram of the card block of the present invention;

[0027] Figure 10 This is a front-view three-dimensional structural diagram of the card block of the present invention;

[0028] Figure 11 This is a three-dimensional structural schematic diagram of the main cross-section of the insertion rod of the present invention;

[0029] Figure 12 This is a three-dimensional structural diagram of the rotating shaft of the present invention, viewed from below.

[0030] Figure 13 This is a top-view three-dimensional structural diagram of the rotating shaft of the present invention;

[0031] Figure 14 This is a schematic diagram of the three-dimensional structure of the rotating shaft of the present invention in a main cross-section.

[0032] Figure 15 This is a schematic diagram of the main structure of the motor of the present invention;

[0033] Figure 16 A schematic diagram of a car that carries a drone using existing technology.

[0034] Reference numerals: 1. Support arm; 2. Motor body; 3. Blade; 4. Limiting ring; 5. Assembly seat; 6. Mounting sleeve; 7. Mounting seat; 8. Connecting ring; 9. Rotating shaft; 10. Torsion ring; 11. Top block; 12. Mounting block; 13. Ball bearing 1; 14. Sliding sleeve; 15. Spring 1; 16. Support ring; 17. Insertion hole; 18. Pull rope; 19. Collar 1; 20. Screw hole; 21. Stroke groove; 22. Insertion block; 23. Ring groove; 24. Handle; 25. Nut; 26. Insert rod; 27. Torsion spring; 2 8. Ball bearing 2; 29. ​​Clamping block; 30. Mounting shaft; 31. Screw 1; 32. Extrusion cone; 33. Positioning groove; 34. Collar 2; 35. Positioning rod; 36. Clamping tooth; 37. Tooth groove; 38. Stroke rod; 39. Spring 2; 40. Mounting hole; 41. Spring 3; 42. Mounting strip; 43. Bearing seat; 44. Guide sleeve; 45. Guide rod; 46. Assembly hole; 47. Positioning hole; 48. Screw 2; 201. Base; 202. Insert; 203. Iron core coil assembly; 204. Housing. Detailed Implementation

[0035] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0036] Please see Figures 1 to 15 The present invention provides three embodiments: Example

[0037] A drone motor assembly device includes a support arm 1, a motor body 2, a mounting base 7, a mounting sleeve 6, a connecting ring 8, a mounting block 12, and a mounting strip 42. The motor body 2 is limited by the mounting base 5. The motor body 2 includes a base 201, a plug 202, an iron core coil assembly 203, and a housing 204. The base is placed inside the mounting base 5 and limited by the mounting base 5. One end of the base 201 is provided with the plug 202. The iron core coil assembly 203 is inserted into the plug 202. The housing 204 is sleeved on the outside of the iron core coil assembly 203 and fixed to the base. The housing 204 is connected by the mounting arm 7, a mounting sleeve 6, a connecting ring 8, a mounting block 12, and a mounting strip 42. The mounting base 5 is used for limiting; a mounting base 5 is provided on one side of the upper end of the support arm 1, a motor body 2 is provided inside the mounting base 5, a rotating shaft 9 is provided on the upper end of the motor body 2, a collar 19 is sleeved on the outer wall of the motor body 2, a ring groove 23 is opened on the upper end of the collar 19, a mounting base 7 is provided on the upper end of the mounting base 5 in a ring array, a top block 11 is provided on the upper end of the mounting base 7, a mounting block 12 is provided below the top block 11, a mounting shaft 30 is provided at both ends of the mounting block 12 and is rotatably installed inside the mounting base 7, and a torsion spring 27 is sleeved on the outer side of the mounting shaft 30 and its two ends are respectively connected to the inner wall of the mounting base 7 and the outer wall of the mounting block 12;

[0038] The assembler holds the handle 24 and drives the screw 48 to start rotating. At this time, the connecting ring 8 slides along the guide sleeve 44 on the outer wall of the guide rod 45 to achieve sliding guidance. The rotational force of the screw 48 is transmitted to the thread raceway of the nut 25, causing the nut 25 to move longitudinally, which in turn drives the connecting ring 8 to move longitudinally. When the connecting ring 8 rises, it will generate a pulling force on the insert rod 26, causing the insert rod 26 and the support ring 16 to rise together, thereby applying pressure to the spring 15, causing it to compress and contract. The positioning component provides support for the upper end of the spring 15. During the process of the insert rod 26 sliding in the top block 11, the continuous rise will pull the pull rope 18, which in turn applies a pulling force to the mounting block 12. The mounting block 12 obtains rotational support through the mounting shaft 30.

[0039] When the mounting shaft 30 rotates, it applies pressure to the torsion spring 27. The torsion spring 27 contracts under pressure, causing the mounting block 12 to rotate. This causes the locking block 29 at one end of the mounting block 12 to flip. At this time, the drone motor body 2 engages with the locking block 29 through the collar 19. With the widespread application of drones in agriculture, logistics, surveying, emergency rescue, and other fields, their production and maintenance efficiency has become a core challenge for the industry's development. Traditional drone motor body 2 installation relies on a large number of screws for fastening. A single multi-rotor drone typically requires the installation of dozens of screws, which is cumbersome and prone to loosening due to vibration. Furthermore, the connection structure between the propeller and the motor body 2 is complex and requires special tools for adjustment. This is particularly problematic in field operations or emergency repair scenarios, where the inefficiency is a significant issue. This device proposes a screwless and tool-free rapid assembly solution through mechanical linkage and elastic locking design. The lower end of the motor body 2 is placed in the assembly base 5. Traditional installation relies on a large number of screws, which is time-consuming and prone to loosening. The elastic engagement of the locking block 29 and the annular groove 23, and the locking of the insert block 22 and the positioning groove 33, completely replace screws, avoiding the cumbersome and error-prone manual operation. Example

[0040] The system includes a support arm 1, a motor body 2, a mounting base 7, a mounting sleeve 6, a connecting ring 8, a mounting block 12, and a mounting strip 42. The motor body 2 is limited by an assembly base 5. The motor body 2 includes a base 201, a plug 202, an iron core coil assembly 203, and a housing 204. The base is placed inside the assembly base 5 and limited by the assembly base 5. One end of the base 201 is provided with a plug 202, and the iron core coil assembly 203 is inserted into the plug 202. The housing 204 is sleeved on the outside of the iron core coil assembly 203 and fixed to the base. The housing 204 is limited by the assembly base 5. Position; A mounting base 5 is provided on one side of the upper end of the support arm 1. The motor body 2 is provided inside the mounting base 5. The upper end of the motor body 2 is provided with a rotating shaft 9. A collar 19 is sleeved on the outer wall of the motor body 2. A ring groove 23 is opened on the upper end of the collar 19. Mounting seats 7 are arranged in a ring array on the upper end of the mounting base 5. A top block 11 is provided on the upper end of the mounting seat 7. A mounting block 12 is provided below the top block 11. Mounting shafts 30 are rotatably installed inside the mounting seat 7 at both ends of the mounting block 12. Torsion springs 27 are sleeved on the outer side of the mounting shafts 30, with both ends connected to the inner wall of the mounting seat 7 and the outer wall of the mounting block 12 respectively.

[0041] The assembler holds the handle 24 and drives the screw 48 to start rotating. At this time, the connecting ring 8 slides along the guide sleeve 44 on the outer wall of the guide rod 45 to achieve sliding guidance. The rotational force of the screw 48 is transmitted to the thread raceway of the nut 25, causing the nut 25 to move longitudinally, which in turn drives the connecting ring 8 to move longitudinally. When the connecting ring 8 rises, it will generate a pulling force on the insert rod 26, causing the insert rod 26 and the support ring 16 to rise together, thereby applying pressure to the spring 15, causing it to compress and contract. The positioning component provides support for the upper end of the spring 15. During the process of the insert rod 26 sliding in the top block 11, the continuous rise will pull the pull rope 18, which in turn applies a pulling force to the mounting block 12. The mounting block 12 obtains rotational support through the mounting shaft 30.

[0042] When the mounting shaft 30 rotates, it applies pressure to the torsion spring 27. The torsion spring 27 contracts under pressure, causing the mounting block 12 to rotate. This causes the locking block 29 at one end of the mounting block 12 to flip. At this time, the drone motor body 2 engages with the locking block 29 through the collar 19. With the widespread application of drones in agriculture, logistics, surveying, emergency rescue, and other fields, their production and maintenance efficiency has become a core challenge for the industry's development. Traditional drone motor body 2 installation relies on a large number of screws for fastening. A single multi-rotor drone typically requires the installation of dozens of screws, which is cumbersome and prone to loosening due to vibration. Furthermore, the connection structure between the propeller and the motor body 2 is complex and requires special tools for adjustment. This is particularly problematic in field operations or emergency repair scenarios, where the inefficiency is a significant issue. This device proposes a screwless and tool-free rapid assembly solution through mechanical linkage and elastic locking design. The lower end of the motor body 2 is placed in the assembly base 5. Traditional installation relies on a large number of screws, which is time-consuming and prone to loosening. The elastic engagement of the locking block 29 and the annular groove 23, and the locking of the insert block 22 and the positioning groove 33, completely replace screws, avoiding the cumbersome and error-prone manual operation.

[0043] The lower end of the mounting block 12 is provided with a mounting clip 29 that engages with the ring groove 23. The upper end of the mounting block 12 is provided with an insertion hole 17. An insertion rod 26 is slidably inserted into the insertion hole 17. Each insertion rod 26 is provided with a connecting ring 8 at its upper end. A nut 25 is provided at one end of the connecting ring 8. A bearing seat 43 is provided at one end of the assembly base 5. A screw rod 48 that is threadedly installed with the nut 25 is rotatably installed inside the upper end of the bearing seat 43. A handle 24 is provided at the upper end of the screw rod 48.

[0044] One end of the mounting base 5 is provided with a guide rod 45, and a guide sleeve 44 connected to the connecting ring 8 is slidably sleeved on the outer wall of the guide rod 45.

[0045] Both the lower end of the mounting base 7 and the inside of the support arm 1 have assembly holes 46.

[0046] One end of mounting block 12 is internally fitted with a ball bearing 13 that rotates.

[0047] A pull rope 18 is provided on the inner wall of the socket 17, and the upper end of the pull rope 18 is connected to the lower end of the plug rod 26;

[0048] A support ring 16 is sleeved on the outer wall of the upper end of the insertion rod 26. A spring 15 connected to the top block 11 is provided on the upper end of the support ring 16. A sliding sleeve 14 is embedded in the upper end of the top block 11. The upper end of the insertion rod 26 is slidably installed inside the sliding sleeve 14.

[0049] The assembler rotates the handle 24 in the opposite direction, driving the screw 48 to rotate in the opposite direction, and the connecting ring 8 descends accordingly. At this time, the spring 15 loses pressure and uses its own elasticity to lower the support ring 16 and the insertion rod 26. At the same time, the elastic force of the torsion spring 27 acts on the mounting block 12, causing it to rotate in the opposite direction around the mounting shaft 30 and reset. The mounting block 12 drives the locking block 29 to insert into the ring groove 23, thereby fixing the collar 19 and then fixing the motor body 2. When the elastic force of the torsion spring 27 acts on the collar 19, the mounting block 12 is inserted into the insertion hole 17 through the insertion rod 26, locking the mounting block 12. This method of assembling the motor body 2 reduces the use of screws, shortens the installation time, requires no additional tools, and makes installation more convenient. Example

[0050] The motor body includes a support arm 1, a motor body 2, a mounting base 7, a mounting sleeve 6, a connecting ring 8, a mounting block 12, and a mounting strip 42. A mounting base 5 is provided on one side of the upper end of the support arm 1, and the motor body 2 is limited by the mounting base 5. The motor body 2 includes a base 201, a plug 202, an iron core coil assembly 203, and a housing 204. The base is placed inside the mounting base 5 and limited by the mounting base 5. A plug 202 is provided at one end of the base 201, and the iron core coil assembly 203 is inserted into the plug 202. The housing 204 is fitted over the iron core coil assembly 203 and fixed to the base. The housing 204 is limited by the mounting base 5; the mounting base 5 is provided with a motor body 2, the upper end of the motor body 2 is provided with a rotating shaft 9, the outer wall of the motor body 2 is sleeved with a collar 19, the upper end of the collar 19 is provided with an annular groove 23, the upper end of the mounting base 5 is provided with mounting seats 7 arranged in an annular array, the upper end of the mounting seat 7 is provided with a top block 11, the lower end of the top block 11 is provided with a mounting block 12, both ends of the mounting block 12 are provided with mounting shafts 30 rotatably installed inside the mounting base 7, and the outer side of the mounting shaft 30 is sleeved with a torsion spring 27 whose two ends are respectively connected to the inner wall of the mounting base 7 and the outer wall of the mounting block 12;

[0051] The assembler holds the handle 24 and drives the screw 48 to start rotating. At this time, the connecting ring 8 slides along the guide sleeve 44 on the outer wall of the guide rod 45 to achieve sliding guidance. The rotational force of the screw 48 is transmitted to the thread raceway of the nut 25, causing the nut 25 to move longitudinally, which in turn drives the connecting ring 8 to move longitudinally. When the connecting ring 8 rises, it will generate a pulling force on the insert rod 26, causing the insert rod 26 and the support ring 16 to rise together, thereby applying pressure to the spring 15, causing it to compress and contract. The positioning component provides support for the upper end of the spring 15. During the process of the insert rod 26 sliding in the top block 11, the continuous rise will pull the pull rope 18, which in turn applies a pulling force to the mounting block 12. The mounting block 12 obtains rotational support through the mounting shaft 30.

[0052] When the mounting shaft 30 rotates, it applies pressure to the torsion spring 27. The torsion spring 27 contracts under pressure, causing the mounting block 12 to rotate. This causes the locking block 29 at one end of the mounting block 12 to flip. At this time, the drone motor body 2 engages with the locking block 29 through the collar 19. With the widespread application of drones in agriculture, logistics, surveying, emergency rescue, and other fields, their production and maintenance efficiency has become a core challenge for the industry's development. Traditional drone motor body 2 installation relies on a large number of screws for fastening. A single multi-rotor drone typically requires the installation of dozens of screws, which is cumbersome and prone to loosening due to vibration. Furthermore, the connection structure between the propeller and the motor body 2 is complex and requires special tools for adjustment. This is particularly problematic in field operations or emergency repair scenarios, where the inefficiency is a significant issue. This device proposes a screwless and tool-free rapid assembly solution through mechanical linkage and elastic locking design. The lower end of the motor body 2 is placed in the assembly base 5. Traditional installation relies on a large number of screws, which is time-consuming and prone to loosening. The elastic engagement of the locking block 29 and the annular groove 23, and the locking of the insert block 22 and the positioning groove 33, completely replace screws, avoiding the cumbersome and error-prone manual operation.

[0053] The lower end of the mounting block 12 is provided with a mounting clip 29 that engages with the ring groove 23. The upper end of the mounting block 12 is provided with an insertion hole 17. An insertion rod 26 is slidably inserted into the insertion hole 17. Each insertion rod 26 is provided with a connecting ring 8 at its upper end. A nut 25 is provided at one end of the connecting ring 8. A bearing seat 43 is provided at one end of the assembly base 5. A screw rod 48 that is threadedly installed with the nut 25 is rotatably installed inside the upper end of the bearing seat 43. A handle 24 is provided at the upper end of the screw rod 48.

[0054] One end of the mounting base 5 is provided with a guide rod 45, and a guide sleeve 44 connected to the connecting ring 8 is slidably sleeved on the outer wall of the guide rod 45.

[0055] Both the lower end of the mounting base 7 and the inside of the support arm 1 have assembly holes 46.

[0056] One end of mounting block 12 is internally fitted with a ball bearing 13 that rotates.

[0057] A pull rope 18 is provided on the inner wall of the socket 17, and the upper end of the pull rope 18 is connected to the lower end of the plug rod 26;

[0058] A support ring 16 is sleeved on the outer wall of the upper end of the insertion rod 26. A spring 15 connected to the top block 11 is provided on the upper end of the support ring 16. A sliding sleeve 14 is embedded in the upper end of the top block 11. The upper end of the insertion rod 26 is slidably installed inside the sliding sleeve 14.

[0059] The assembler rotates the handle 24 in the reverse direction, driving the screw 48 to rotate in the reverse direction. The connecting ring 8 then descends. At this time, the spring 15 loses pressure and uses its own elasticity to lower the support ring 16 and the insertion rod 26. Simultaneously, the elastic force of the torsion spring 27 acts on the mounting block 12, causing it to rotate in the reverse direction around the mounting shaft 30 and reset. The mounting block 12 drives the locking block 29 to insert into the ring groove 23, thereby fixing the collar 19 and then fixing the motor body 2. When the elastic force of the torsion spring 27 acts on the collar 19, the mounting block 12 is inserted into the insertion hole 17 through the insertion rod 26, locking the mounting block 12. This assembly method of the motor body 2 reduces the use of screws, shortens the installation time, requires no additional tools, and makes installation more convenient.

[0060] A mounting sleeve 6 is fitted onto the outer side of the rotating shaft 9, and blades 3 are provided at both ends of the mounting sleeve 6;

[0061] The upper end of the rotating shaft 9 is hollow, and a collar 34 is sleeved on the outer wall of the rotating shaft 9. The upper end of the collar 34 is provided with positioning rods 35 arranged in a ring array, and the lower end of the mounting sleeve 6 is provided with positioning holes 47 arranged in a ring array and slidably inserted with the positioning rods 35.

[0062] The shaft 9 has symmetrically distributed travel grooves 21 at both ends, and the mounting sleeve 6 has positioning grooves 33 corresponding to the travel grooves 21 on its inner walls at both ends. A plug 22 with one end inserted into the positioning groove 33 is slidably inserted into the travel groove 21.

[0063] The upper end of the rotating shaft 9 has a screw hole 20 inside, and a screw rod 31 is threaded inside the screw hole 20. A torsion ring 10 is provided at the upper end of the screw rod 31, and a pressing cone 32 is provided at the lower end of the screw rod 31. An installation strip 42 is provided at one end of the insert block 22. A limit ring 4 is sleeved on the outer wall of the installation strip 42. A spring 41 connected to the limit ring 4 and the inner wall of the rotating shaft 9 is sleeved on the outer side of the installation strip 42. A ball bearing 28 that is rotatably installed with the pressing cone 32 is rotatably installed inside one end of the installation strip 42.

[0064] The lower end of the torsion ring 10 is provided with a toothed groove 37 arranged in a ring array. A retaining tooth 36 is slidably inserted inside the toothed groove 37. The upper end of the mounting sleeve 6 is provided with a mounting hole 40. A second spring 39 is slidably inserted inside the mounting hole 40. A stroke rod 38 connected to the retaining tooth 36 is provided at the upper end of the second spring 39. A pressure strip is provided at one end of the stroke rod 38.

[0065] After the main body 2 of the UAV motor is assembled, the mounting sleeve 6 is inserted into the positioning rod 35 through the positioning hole 47 to achieve positioning. Pressing the pressure bar applies pressure to the stroke rod 38, causing the retaining tooth 36 to disengage from the retaining groove. At the same time, pressure is applied to the second spring 39, causing it to contract under pressure. Simultaneously, the torsion ring 10 is held to rotate the first screw 31. The first screw 31 descends longitudinally within the screw hole 20, pushing the extrusion cone 32 to apply pressure to the second ball 28. During the descent of the extrusion cone 32, it applies gradually increasing pressure to the mounting components. This pressure is transmitted through the mounting strip 42 and the limiting ring 4. The spring 41 is pressed and compressed, and the mounting strip 42 pressurizes the insert 22 into the positioning groove 33 corresponding to the stroke groove 21, so as to achieve the elastic snap-fit ​​of the mounting sleeve 6. Then the pressure strip is released, and the spring 39 uses its own elasticity to insert the snap-fit ​​29 into the slot, which applies pressure to the torsion ring 10 to prevent the torsion ring 10 from rotating. This improves the stability of the screw 31 and the screw hole 20 threaded installation, so that the propeller blade 3 structure of the UAV can be installed conveniently without screws and installation tools, and realizes the rapid assembly of the propeller blade 3 structure.

[0066] Simply rotate the handle 24 and press the pressure bar manually, without any tools, making it suitable for rapid field repair and mass production. The ring groove 23 and the locking block 29 can match various outer diameters of the motor body 2, and the positioning rod 35 and the positioning hole 47 support multiple specifications of propellers, offering strong scalability. It is suitable for UAV production lines, enabling the assembly of the motor body 2 and the propeller in seconds, significantly reducing labor costs. Damaged parts can be quickly replaced in field operations, improving mission continuity. The elastic locking mechanism avoids the risk of crashes caused by traditional screws loosening due to vibration, enhancing safety. This UAV motor body 2 assembly device achieves "screwless" rapid installation of the motor body 2 and the propeller through the coordinated design of mechanical linkage and elastic locking, significantly improving assembly efficiency.

[0067] Working principle: The assembler grips the handle 24, causing the screw 48 to rotate. Because the connecting ring 8 slides on the outer wall of the guide rod 45 via the guide sleeve 44, the connecting ring 8 is guided. The rotational force of the screw 48 acts on the threaded raceway of the nut 25, pushing the nut 25 longitudinally and causing the connecting ring 8 to move longitudinally. When the connecting ring 8 rises, it applies a pulling force to the insert rod 26. When the insert rod 26 rises, it causes the support ring 16 to rise, which in turn applies a compressive force to the spring 15. The spring 15 contracts under pressure, providing support to the upper end of the positioning insert rod. As the insertion rod 26 slides inside the top block 11 and continues to rise longitudinally, it drives the pull rope 18 to rise and applies a pulling force to the mounting block 12 through the pull rope 18. The mounting block 12 is supported by the mounting shaft 30. When the mounting shaft 30 rotates, it applies a compressive force to the torsion spring 27. The torsion spring 27 is twisted and contracted under the force, which in turn drives the mounting block 12 to rotate, causing the locking block 29 at one end of the mounting block 12 to flip. The drone motor body 2 drives the collar 19 to pass through the locking block 29, and the lower end of the motor body 2 is located inside the mounting base 5.

[0068] Subsequently, the assembler grasps the handle 24, causing the screw 48 to rotate in the opposite direction, and the connecting ring 8 descends longitudinally. At this time, the spring 15 loses its compressive force, and the elasticity of the spring 15 itself causes the support ring 16 to descend, which in turn causes the insertion rod 26 to descend. The elastic torsional force of the torsion spring 27 acts on the mounting block 12, and the mounting block 12 rotates in the opposite direction around the mounting shaft 30 and resets. The mounting block 12 causes the locking block 29 to be inserted into the ring groove 23, thereby fixing the collar 19 and locking the motor body 2. When the elastic force of the torsion spring 27 acts on the collar 19, the mounting block 12 is inserted into the insertion hole 17 through the insertion rod 26, locking the mounting block 12. The assembly of the motor body 2 avoids the installation of a large number of screws, reducing the installation time and avoiding the use of additional tools, making the installation convenient.

[0069] After the main body 2 of the UAV motor is assembled, the mounting sleeve 6 is inserted into the positioning rod 35 through the positioning hole 47 to position the mounting sleeve 6. Pressing the pressure bar applies downward pressure to the stroke rod 38, causing the retaining tooth 36 to disengage from the slot. At the same time, a compressive force is applied to the second spring 39, causing the second spring 39 to contract under the force. Simultaneously, the gripping torsion ring 10 drives the first screw 31 to rotate. The first screw 31 descends longitudinally inside the screw hole 20, driving the extrusion cone 32 to apply extrusive force to the second ball 28. During the descent of the extrusion cone 32, an increasing extrusive force is continuously applied to the mounting sleeve. The extrusive force is transmitted through the mounting strip 42 and the limit switch. Ring 4 acts on spring 3 41, spring 3 41 contracts under force, and mounting strip 42 pressurizes the insert 22 into the positioning groove 33 corresponding to the stroke groove 21, elastically engaging the mounting sleeve 6. Then the pressure strip is released, and spring 2 39 drives the insert 29 into the groove through its own elasticity, applying pressure to the torsion ring 10, preventing the torsion ring 10 from rotating. The threaded installation stability of screw 1 31 and screw hole 20 is improved, and the propeller blade 3 of the UAV is conveniently installed, avoiding the use of screws and installation tools, and realizing the rapid assembly of the propeller blade 3 structure.

[0070] The following is a brief overview of the key steps involved in installing a drone in a smart car:

[0071] A metal plate is installed at the bottom of the drone's landing gear to engage with the magnetic locking mechanism of the smart parking bay, thereby locking the drone inside the smart car's parking bay. A receiving coil is also installed at the bottom of the drone's landing gear to engage with the transmitting coil of the smart parking bay's wireless charging device to charge the drone. Of course, the drone may also include cameras and other related components as needed; however, since this application primarily describes the assembly process of the smart car drone motor assembly device, these details will not be elaborated upon here.

[0072] The above specific embodiments are merely several preferred embodiments of the present invention. Based on the technical solutions of the present invention and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

[0073] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An unmanned aerial vehicle motor assembly device, comprising a motor body (2), an assembly seat (5), a mounting seat (7), a mounting sleeve (6), characterized in that: the motor body (2) is limited by the assembly seat (5); the motor body (2) comprises a base (201), a plug cylinder (202), a core coil assembly (203) and a shell (204), the base is located in the assembly seat (5) and is limited by the assembly seat (5), one end of the base (201) is provided with the plug cylinder (202), the core coil assembly (203) is inserted into the plug cylinder (202), the shell (204) is sleeved outside the core coil assembly (203) and is fixed with the base, and the shell (204) is limited by the assembly seat (5); an upper end of the motor body (2) is provided with a rotating shaft (9), the rotating shaft (9) is sleeved with the mounting sleeve (6) outside, both ends of the mounting sleeve (6) are provided with blades (3), an outer wall of the motor body (2) is sleeved with a sleeve ring I (19), an upper end of the sleeve ring I (19) is provided with an annular ring groove (23), an upper end of the assembly seat (5) is provided with an annular array mounting seat (7), an upper end of the mounting seat (7) is provided with a top block (11), and a lower end of the top block (11) is provided with a mounting block (12); further comprising a support arm (1), a connecting ring (8), a mounting block (12) and a mounting strip (42), one side of an upper end of the support arm (1) is provided with the assembly seat (5), both ends of the mounting block (12) are provided with mounting shafts (30) rotatably mounted in the mounting seat (7), both ends of the mounting shaft (30) are sleeved with torsional springs (27) connected with the inner wall of the mounting seat (7) and the outer wall of the mounting block (12), one side of a lower end of the mounting block (12) is provided with a clamping block (29) clamped with the ring groove (23), an inner part of an upper end of the mounting block (12) is provided with a plug hole (17), the plug hole (17) is slidably inserted with a plug rod (26), upper ends of the plug rod (26) are provided with the connecting ring (8), one end of the connecting ring (8) is provided with a nut (25), one end of the assembly seat (5) is provided with a bearing seat (43), an upper end of the bearing seat (43) is rotatably mounted with a screw rod II (48) threadedly mounted with the nut (25), and an upper end of the screw rod II (48) is provided with a handle (24); an upper end of the rotating shaft (9) is hollow, an outer wall of the rotating shaft (9) is sleeved with a sleeve ring II (34), an upper end of the sleeve ring II (34) is provided with a positioning rod (35) arranged in an annular array, and a lower end of the mounting sleeve (6) is provided with positioning holes (47) arranged in an annular array and slidably inserted with the positioning rod (35); both ends of the rotating shaft (9) are provided with symmetrically distributed stroke grooves (21), inner walls of both ends of the mounting sleeve (6) are provided with positioning grooves (33) corresponding to the stroke grooves (21), and the stroke grooves (21) are slidably inserted with plug blocks (22) inserted into the positioning grooves (33). 2.The unmanned aerial vehicle motor assembling device according to claim 1, wherein: The assembly seat (5) is provided with a guide rod (45) at one end, and the outer wall of the guide rod (45) is slidably sleeved with a guide sleeve (44) connected with the connecting ring (8).

3. The unmanned aerial vehicle motor assembly device of claim 1, wherein: The mounting seat (7) is provided with an assembly hole (46) in the inner part of the lower end and the inner part of the support arm (1).

4. The unmanned aerial vehicle motor assembly device of claim 1, wherein: The mounting block (12) is rotatably installed with a ball one (13) at one end.

5. The unmanned aerial vehicle motor assembly device of claim 1, wherein: The inner wall of the jack (17) is provided with a pull rope (18), and the upper end of the pull rope (18) is connected with the lower end of the plug rod (26).

6. The unmanned aerial vehicle motor assembly device of claim 1, wherein: The upper end of the plug rod (26) is sleeved with a support ring (16), and the upper end of the support ring (16) is provided with a spring one (15) connected with the top block (11), and the upper end of the top block (11) is embeddedly installed with a sliding sleeve (14), and the upper end of the plug rod (26) is slidably installed in the sliding sleeve (14).

7. The unmanned aerial vehicle motor assembly device of claim 1, wherein: The inner part of the upper end of the rotating shaft (9) is provided with a screw hole (20), the screw hole (20) is internally threaded with a screw rod one (31), the screw rod one (31) is provided with a torsion ring (10) at the upper end, the screw rod one (31) is provided with an extrusion cone (32) at the lower end, the plug block (22) is provided with a mounting strip (42) at one end, the mounting strip (42) is sleeved with a limiting ring (4) on the outer wall, the mounting strip (42) is sleeved with a spring three (41) connected with the limiting ring (4) and the inner wall of the rotating shaft (9) on the outer side, and the mounting strip (42) is rotatably installed with a ball two (28) rotatably installed with the extrusion cone (32) at one end; The lower end of the torsion ring (10) is provided with a tooth groove (37) arranged in a ring shape, the tooth groove (37) is slidably inserted with a clamping tooth (36), the upper end of the mounting sleeve (6) is provided with a mounting hole (40), the mounting hole (40) is slidably inserted with a spring two (39), the spring two (39) is provided with a stroke rod (38) connected with the clamping tooth (36) at the upper end, and the stroke rod (38) is provided with a pressing strip at one end.

Citation Information

Patent Citations

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