Small and special motor adopting brushless structure

Abstract

The utility model discloses a small and special motor adopting a brushless structure, which relates to the technical field of small and special motors and comprises a motor main body, a reinforcing mechanism is fixedly connected onto an end cover of the motor main body and comprises a supporting plate, a butt joint plate and a positioning rod, and a separation rod is fixedly connected between the supporting plate and the motor main body. According to the utility model, through the linkage of the worm and worm gear transmission and the push rod, the flexible adjustment of the butt joint plate can be realized, the rapid and accurate butt joint of the motor main body and different parts is facilitated, the installation efficiency is improved, and meanwhile, the butt joint of the motor main body and the different parts is facilitated. The mechanism can effectively enhance the stability of connection between the motor main body and the external part, reduce vibration and looseness caused by infirm connection, improve the operation stability and reliability of the motor, reduce the probability of fault occurrence, and prolong the service life of the motor.

Description

Technical Field

[0001] This utility model relates to the field of micro motor technology, and in particular to a micro motor with a brushless structure. Background Technology

[0002] Brushless micro motors are miniaturized, high-precision brushless DC motors. They generally use permanent magnets as rotors and have windings on the stator. They do not have brushes and commutators like traditional DC motors, but instead achieve commutation through an electronic controller.

[0003] However, in the existing technology, due to the small size of micro motors (the diameter is often less than 160mm), the physical dimensions of core components (such as shafts, bearings, stators / rotors) are limited, and the material strength and impact resistance are weak. Under long-term high-load operation or vibration environment, problems such as shaft deformation, bearing wear, and magnet detachment are prone to occur, resulting in operation vibration or shutdown. Especially in scenarios such as drones and industrial robotic arms, motors are more susceptible to high-frequency vibration or instantaneous impact, which will directly affect the stability of the motor. Utility Model Content

[0004] The purpose of this invention is to address the problems in the existing technology where, due to the small size of micro motors, the physical dimensions of core components are limited, and the material strength and impact resistance are weak, shaft deformation, bearing wear, and magnet detachment are prone to occur under long-term high-load operation or vibration environments. Therefore, this invention proposes a micro motor with a brushless structure.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a micro motor with a brushless structure, comprising a motor body, a reinforcing mechanism fixedly connected to the end cover of the motor body, the reinforcing mechanism comprising a support plate, a docking plate and a positioning rod, a partition rod fixedly connected between the support plate and the motor body, the positioning rod being rotatably installed at the center of the support plate, the end of the positioning rod having a threaded groove, the end of the positioning rod being threadedly connected to a connecting ring, and push rods being rotatably connected at each of the three equal division points of the connecting ring, one end of the push rod being rotatably connected to one end of the docking plate.

[0006] Preferably, a worm gear is fixedly connected to the rod body of the positioning rod, and a worm is meshed with one side of the worm gear.

[0007] Preferably, both the worm gear and the worm are located between the support plate and the end cover of the motor body, and a limit rod is fixedly installed on the end cover of the motor body, with the worm and the limit rod being rotatably connected.

[0008] Preferably, a positioning block is fixedly connected to one side of the support plate, and a driven rod is rotatably connected to one of the three equal division points of the positioning block.

[0009] Preferably, the driven rod and the push rod are arranged alternately, and a connecting rod is fixedly installed in the middle section of the push rod, and the connecting rod is rotatably connected to the driven rod.

[0010] Preferably, hexagonal protrusions are fixedly installed at both ends of the worm gear, and cross grooves are opened inside the hexagonal protrusions.

[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0012] 1. In this utility model, the worm gear transmission and push rod linkage enable flexible adjustment of the docking plate, facilitating quick and precise docking of the motor body with different components, improving installation efficiency. At the same time, this mechanism effectively enhances the stability of the connection between the motor body and external components, reduces vibration and loosening caused by loose connections, improves the stability and reliability of motor operation, reduces the probability of failure, and extends the service life of the motor.

[0013] 2. In this utility model, the hexagonal protrusions at both ends of the worm gear can be operated with tools (such as wrenches or Phillips screwdrivers). The Phillips groove design makes the tool adaptability stronger. The linkage design of the driven rod and the connecting rod enhances the stability and synchronization of the movement of the docking plate and improves the overall rigidity of the reinforcement mechanism. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of a micro motor with a brushless structure proposed in this utility model;

[0015] Figure 2 This is a schematic diagram of the planar structure of a micro motor with a brushless structure proposed in this utility model;

[0016] Figure 3 This is a three-dimensional structural diagram of a reinforcement mechanism for a micro motor with a brushless structure proposed in this utility model.

[0017] Figure 4 This is a three-dimensional structural diagram of the push rod and driven rod of a micro motor with a brushless structure proposed in this utility model.

[0018] Legend: 1. Motor body; 2. Reinforcing mechanism; 3. Separator rod; 4. Limiting rod; 21. Support plate; 22. Connecting plate; 23. Positioning rod; 24. Worm gear; 25. Worm; 26. Hexagonal protrusion; 27. Connecting ring; 28. Push rod; 29. ​​Positioning block; 210. Driven rod; 211. Connecting rod. Detailed Implementation

[0019] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0020] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0021] Example 1: As Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this utility model provides a micro motor with a brushless structure, including a motor body 1. A reinforcing mechanism 2 is fixedly connected to the end cover of the motor body 1. The reinforcing mechanism 2 includes a support plate 21, a docking plate 22, and a positioning rod 23. A partition rod 3 is fixedly connected between the support plate 21 and the motor body 1. The positioning rod 23 is rotatably installed at the center of the support plate 21. A threaded groove is opened at the end of the positioning rod 23. A connecting ring 27 is threadedly connected to the end of the positioning rod 23. Push rods 28 are rotatably connected at each of the three equal division points of the connecting ring 27. One end of the push rod 28 is rotatably connected to one end of the docking plate 22. A worm gear 24 is fixedly connected to the rod body of the positioning rod 23. A worm 25 is meshed with one side of the worm gear 24. The worm gear 24 and the worm 25 are both located between the support plate 21 and the end cover of the motor body 1. A limit rod 4 is fixedly installed on the end cover of the motor body 1. The worm 25 is rotatably connected to the limit rod 4.

[0022] The specific settings and functions of this embodiment are described in detail below. By rotating the worm gear 25, the worm wheel 24 meshing with it rotates. The rotation of the worm wheel 24 causes the positioning rod 23 to rotate. Since the end of the positioning rod 23 is threadedly connected to the connecting ring 27, the rotation of the positioning rod 23 will cause the connecting ring 27 to move axially. The push rod 28, which is rotated and connected at the three equal division points of the connecting ring 27, will convert the axial movement of the connecting ring 27 into the radial movement of the docking plate 22. By controlling the rotation direction of the worm gear 25, the position of the docking plate 22 can be adjusted to achieve precise docking and fixation of external components. At the same time, the separator rod 3 serves to support and separate the motor body 1 from the support plate 21. The limiting rod 4 ensures the stability of the worm gear 25 rotation. Through the transmission of the worm gear 25 and worm wheel 24 and the linkage with the push rod 28, the docking plate 22 can be flexibly adjusted, which facilitates the quick and accurate docking of the motor body 1 with different components, improving installation efficiency. At the same time, this mechanism can effectively enhance the stability of the connection between the motor body 1 and external components, reduce vibration and loosening caused by poor connection, improve the stability and reliability of motor operation, reduce the probability of failure, and extend the service life of the motor. In addition, the rotation adjustment operation is simple and convenient, and the components cooperate with each other, the overall structure is compact, does not occupy too much space, is suitable for a variety of installation scenarios, and has strong practicality and versatility.

[0023] Example 2: Figure 2 , Figure 3 and Figure 4 As shown, a positioning block 29 is fixedly connected to one side of the support plate 21. A driven rod 210 is rotatably connected to the three equal division points of the positioning block 29. The driven rod 210 and the push rod 28 are arranged alternately. A connecting rod 211 is fixedly installed in the middle section of the push rod 28. The connecting rod 211 is rotatably connected to the driven rod 210. Hexagonal protrusions 26 are fixedly installed at both ends of the worm gear 25. A cross groove is opened inside the hexagonal protrusion 26.

[0024] The overall effect of this embodiment is that when the worm gear 25 is rotated, the hexagonal protrusions 26 at both ends can be operated with tools such as wrenches or Phillips screwdrivers. The Phillips groove design makes the tool adaptability stronger. The worm gear 25 drives the worm wheel 24 to rotate, which in turn causes the positioning rod 23 to rotate. The connecting ring 27 moves axially along the positioning rod 23. At this time, the push rod 28 pushes the docking plate 22 to move radially. At the same time, the connecting rod 211 in the middle section of the push rod 28 drives the driven rod 210 to rotate around the positioning block 29. The driven rod 210 and the push rod 28 are arranged alternately to form a linkage structure, so that... The movement of the docking plate 22 is smoother and more precise. The linkage design of the positioning block 29, driven rod 210 and connecting rod 211 enhances the stability and synchronization of the movement of the docking plate 22 and improves the overall rigidity of the reinforcement mechanism 2. The combination design of hexagonal protrusion 26 and cross groove makes the adjustment of worm gear 25 more flexible, adaptable to a variety of tools, and easy to install and maintain. This structure optimizes the force transmission path, so that when the reinforcement mechanism 2 is subjected to external loads, the force on each component is more even, further improving the stability and reliability of the connection between the motor and external components.

[0025] The device's operation and working principle are as follows: When installing the motor body 1, use a tool to rotate the hexagonal protrusion 26 at the end of the worm gear 25, causing the meshing worm wheel 24 to rotate. The worm wheel 24 causes the positioning rod 23 to rotate synchronously. Because the end of the positioning rod 23 is threadedly connected to the connecting ring 27, when the positioning rod 23 rotates, the connecting ring 27 moves along its axial direction. The push rod 28 at the three equal division points of the connecting ring 27 converts the axial movement into the radial movement of the docking plate 22, thereby achieving precise docking and fixing of the motor and external components. Simultaneously, the driven rod 210, connecting rod 211, and push rod 28 are arranged alternately. When the push rod 28 moves, the connecting rod 211 drives the driven rod 210 to rotate around the positioning block 29, forming a linkage structure to ensure smooth and precise movement of the docking plate 22. The separator 3 supports and separates the motor body 1 from the support plate 21, and the limit rod 4 ensures stable rotation of the worm gear 25. The entire mechanism, through various transmission combinations, achieves flexible adjustment and precise docking, enhancing the stability of the connection between the motor and external components.

[0026] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A micro motor employing a brushless structure, comprising a motor body (1), characterized in that: A reinforcing mechanism (2) is fixedly connected to the end cover of the motor body (1); The reinforcement mechanism (2) includes a support plate (21), a docking plate (22) and a positioning rod (23). A partition rod (3) is fixedly connected between the support plate (21) and the motor body (1). The positioning rod (23) is rotatably installed at the center of the support plate (21). A threaded groove is provided at the end of the positioning rod (23). A connecting ring (27) is threadedly connected to the end of the positioning rod (23). A push rod (28) is rotatably connected at each of the three equal division points of the connecting ring (27). One end of the push rod (28) is rotatably connected to one end of the docking plate (22).

2. A micro motor with a brushless structure according to claim 1, characterized in that: A worm gear (24) is fixedly connected to the rod body of the positioning rod (23), and a worm (25) is meshed with one side of the worm gear (24).

3. A micro motor with a brushless structure according to claim 2, characterized in that: The worm gear (24) and the worm (25) are both located between the support plate (21) and the end cover of the motor body (1). A limit rod (4) is fixedly installed on the end cover of the motor body (1), and the worm (25) is rotatably connected to the limit rod (4).

4. A micro motor with a brushless structure according to claim 1, characterized in that: A positioning block (29) is fixedly connected to one side of the support plate (21), and a driven rod (210) is rotatably connected to the three equal division points of the positioning block (29).

5. A micro motor with a brushless structure according to claim 4, characterized in that: The driven rod (210) and the push rod (28) are arranged alternately, and a connecting rod (211) is fixedly installed in the middle section of the push rod (28). The connecting rod (211) is rotatably connected to the driven rod (210).

6. A micro motor with a brushless structure according to claim 2, characterized in that: Both ends of the worm (25) are fixedly installed with hexagonal protrusions (26), and the interior of the hexagonal protrusions (26) is provided with cross grooves.

Images