A micro motor that is easy to install and disassemble

Abstract

This utility model provides a micro motor that is easy to install and disassemble, belonging to the field of micro motor technology. It includes a disassembly and assembly component and a micro motor assembly. The micro motor assembly includes a base, a stator core with stator windings wound inside, and a rotor rotating inside the stator core. A front end cover and an inner end cover are respectively provided at both ends of the base. A groove is provided at one end of the base and the inner end cover. A matching convex ring is provided at one end of the front end cover and the base. A fixing strip is provided in an annular shape on the outside of the base. A protrusion is provided in an annular shape on the outside of the front end cover and the inner end cover. The fixing strip and the protrusion are installed internally by screw threads. A base is provided at the bottom of the base. The beneficial effects of this utility model are: the groove and the convex ring securely engage the base with the end covers at both ends, providing a seal; the fixing strip and the protrusion are installed by screw threads, providing a firm connection between the base and the end covers at both ends, preventing loosening during operation.

Description

Technical Field

[0001] This utility model relates to the field of micro motor technology, and more specifically, to a micro motor that is easy to install and disassemble. Background Technology

[0002] A micro motor is a small electric motor typically used in miniature devices and precision instruments to provide driving force or rotation. Micro motors are generally characterized by their small size, low power consumption, high efficiency, and high precision, making them suitable for applications requiring precise control and compact design. However, improper operation of micro motors can easily lead to the burnout of internal components. Furthermore, most existing micro motor housings are assembled using a welded, integrated method, which makes disassembly and repair difficult when the motor is damaged.

[0003] Among them, the micro motor disclosed in application number CN202322507376.9 is an increasingly mature technology that is easy to install and disassemble. It has a retractable double-layer mounting plate at the bottom of the motor body. After the upper plate is lowered, the restraint and fixation on the motor body is released, thereby achieving the purpose of quick disassembly, which facilitates the maintenance and replacement of the electrodes, while avoiding the loosening of the fixing bolts.

[0004] Based on this, we agree with the advantages of the aforementioned products, but the following drawbacks still exist: During use, dust can easily enter the motor and affect its normal operation. The micro motor also has poor waterproof and moisture-proof performance and lacks sealing and heat dissipation capabilities, which shortens its service life. Utility Model Content

[0005] The purpose of this invention is to provide a micro motor that is easy to install and disassemble, so as to solve the problems of lack of sealing and heat dissipation mentioned in the background art.

[0006] This utility model embodiment provides a micro motor that is easy to install and disassemble, including a disassembly and assembly component and a micro motor component; The assembly includes a fixing plate with an upper cover at its bottom. A set of guide plates are provided on both outer sides of the upper cover. The upper cover is movably disposed inside a lower cover. A set of guide grooves are formed on both inner side walls of the lower cover. A positioning post is located in the center of the lower cover, with positioning grooves at both ends. A positioning rod is slidably disposed inside the positioning grooves. A cross is fixedly disposed at the opposite end of each positioning rod. The positioning rod and the cross penetrate both sides of the upper cover and the lower cover. A spring is sleeved on the outside of the positioning rod located between the lower cover and the cross. A long strip is provided on the outside of each positioning rod, and a pull handle is provided on the outside. A base plate is provided at the bottom of the lower cover.

[0007] In this embodiment, by pulling the handle, the long strip, positioning rod, and cross are pulled outward along the positioning groove to both sides. The spring outside the positioning rod is compressed. When the cross is pulled away from the upper cover plate, the guide plate of the upper cover plate slides out from the guide groove, and the upper cover plate is released from the limit, thereby easily disassembling the micro motor assembly from the disassembly assembly.

[0008] In one embodiment of this utility model, the micro motor assembly includes a base, a stator core is provided inside the base and a stator winding is wound inside the base, a rotor is rotatably provided inside the stator core, a rotating shaft is provided in the middle of the rotor, a front end cover and an inner end cover are respectively provided at both ends of the base, a fan is provided at one end of the inner end cover, and a fan cover is provided outside the fan.

[0009] In this design, the frame supports the internal components, the stator core provides the electromagnetic field, the stator windings generate a rotating magnetic field in the stator core to power the rotor, the rotor rotates in the magnetic field generated by the stator to output mechanical energy, the shaft transmits the rotational motion of the rotor to the external load, the end caps at both ends protect the internal components, the fan effectively exhausts the heat generated by the stator and rotor during operation, and the fan shroud effectively guides the airflow while preventing foreign objects from entering the fan.

[0010] In one embodiment of this utility model, rotor fans are provided at both ends of the rotor, bearings are sleeved inside the front end cover and the inner end cover located outside the rotating shaft, a bearing cover is provided at one end of the front end cover, a groove is provided at one end of the base and the inner end cover, and a matching convex ring is provided at one end of the front end cover and the base.

[0011] In this design, airflow is increased by a rotor fan to accelerate heat dissipation, bearings are used to support the shaft to ensure smooth rotation and reduce friction, bearing covers are used to seal and protect the bearings, and grooves and convex rings securely engage the base with the end caps at both ends to provide a seal.

[0012] In one embodiment of this utility model, a heat sink is provided on the outer ring of the base, a fixing strip is provided on the outer ring of the base, a protrusion is provided on the outer ring of the front end cover and the inner end cover, the fixing strip and the protrusion are internally installed by screw threads, and a base is provided at the bottom of the base.

[0013] In this design, heat is dissipated from the base via heat sinks. The mounting strip and protrusions are connected by screw threads to securely connect the base to the end caps at both ends, facilitating maintenance and disassembly. The base provides support for the micro motor.

[0014] In one embodiment of this utility model, both the base and the fixing plate have through holes of the same diameter inside, and bolts are movably inserted into the through holes. A reinforcing rib is provided in the middle of the base, and the height of the upper cover plate is greater than that of the lower cover plate.

[0015] In this design, the through holes inside the base and the fixing plate are connected by bolt threads to ensure a stable connection between the motor assembly and the disassembly assembly. The reinforcing ribs increase the structural strength and rigidity of the base, and the upper cover plate is higher than the lower cover plate to create a sense of layering.

[0016] In one embodiment of this utility model, a junction box is provided on the outer side of the base, and limit holes are provided at all four corners of the base plate.

[0017] In this design, a junction box is used to connect the power supply, and the limiting holes facilitate fixing the base plate in a certain position.

[0018] Compared with the prior art, the beneficial effects of this utility model are: (1) The base and the end caps at both ends are securely engaged by the groove and the convex ring to provide a seal. The fixed strip and the convex are installed by screw threads to make a firm connection between the base and the end caps at both ends, avoiding loosening caused by vibration and impact during operation. It also facilitates maintenance and disassembly. Since the through holes inside the base and the fixing plate are connected by bolt threads, the stable connection between the motor assembly and the disassembly assembly is ensured, and it also facilitates disassembly and installation. (2) The frame is responsible for supporting the internal components and ensuring their stability and reliability. The stator core is used to provide an electromagnetic field. The stator winding generates a rotating magnetic field in the stator core to provide power to the rotor. The rotor is used to rotate in the magnetic field generated by the stator, thereby realizing the output of mechanical energy. The shaft is used to transmit the rotational motion of the rotor to the external load. The end caps at both ends protect the internal components. The fan can effectively exhaust the heat generated by the stator and rotor during operation, ensure the normal operating temperature of the micro motor, and extend its service life. The rotor fan increases airflow and accelerates the dissipation of heat. The fan cover can effectively guide the airflow and prevent foreign objects from entering the fan. The heat sink conducts heat out of the frame. The annular setting increases the contact area with the air, thereby improving the heat dissipation efficiency and preventing the micro motor performance from deteriorating or being damaged due to overheating. Attached Figure Description

[0019] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the overall structure of the micro motor of this utility model; Figure 2This is a schematic diagram of the disassembly structure of the assembly and disassembly components of this utility model; Figure 3 This is a schematic diagram of the disassembled structure of the micro motor assembly of this utility model.

[0020] In the diagram: 100, disassembly / assembly assembly; 110, fixing plate; 111, upper cover plate; 112, guide plate; 113, lower cover plate; 114, guide groove; 115, positioning post; 116, positioning groove; 117, positioning rod; 118, cross; 119, spring; 120, long strip plate; 121, base plate; 122, limiting hole; 200. Micro motor assembly; 210. Frame; 211. Stator core; 212. Stator winding; 213. Rotor; 214. Shaft; 215. Front end cover; 216. Inner end cover; 217. Fan; 218. Fan cover; 219. Rotor fan; 220. Bearing; 221. Bearing cover; 222. Raised ring; 223. Heat sink; 224. Fixing strip; 225. Protrusion; 226. Base; 227. Through hole; 228. Junction box. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example Please see Figure 1-3 This utility model provides a micro motor that is easy to install and disassemble, including a disassembly and assembly component 100 and a micro motor component 200; Please refer to the details. Figure 2The assembly / disassembly component 100 includes a fixing plate 110, with an upper cover plate 111 at its bottom. A set of guide plates 112 are provided on both outer sides of the upper cover plate 111. The upper cover plate 111 is movably disposed inside a lower cover plate 113. A set of guide grooves 114 are formed on both inner side walls of the lower cover plate 113. A positioning post 115 is provided in the center of the lower cover plate 113. Positioning grooves 116 are formed at both ends of the positioning post 115. The positioning grooves 116 are slidably disposed within the positioning grooves. A positioning rod 117 is provided, and a cross 118 is fixedly provided at the opposite ends of the positioning rod 117. The positioning rod 117 and the cross 118 both pass through both sides of the upper cover plate 111. The positioning rod 117 passes through both sides of the lower cover plate 113. A spring 119 is sleeved on the outside of the positioning rod 117 located between the lower cover plate 113 and the cross 118. A long strip plate 120 is provided on the outside of the positioning rod 117 and a pull handle is provided on the outside. A bottom plate 121 is provided at the bottom end of the lower cover plate 113.

[0023] In one specific embodiment, please refer to Figure 2 By pulling the handle, the handle drives the long strip 120, the positioning rod 117 and the cross 118 to move outwards along the positioning groove 116 of the positioning post 115. The spring 119 outside the positioning rod 117 is compressed. When the cross 118 is pulled away from the upper cover plate 111, the guide plates 112 on both sides of the upper cover plate 111 slide out from the guide groove 114 of the lower cover plate 113. The upper cover plate 111 is released from its limit, thereby easily disassembling the micro motor assembly 200 from the disassembly assembly 100. When the handle is released, the positioning rod 117 is reset by the elasticity of the spring 119.

[0024] Please see Figure 3 The micro motor assembly 200 includes a base 210, inside which a stator core 211 is provided and a stator winding 212 is wound inside. Inside the stator core 211, a rotor 213 is rotatably arranged. Inside the rotor 213, a rotating shaft 214 is provided in the middle. At both ends of the base 210, a front end cover 215 and an inner end cover 216 are respectively provided. At one end of the inner end cover 216, a fan 217 is provided. Outside the fan 217, a fan cover 218 is provided.

[0025] In one specific embodiment, please refer to Figure 3The frame 210 supports the internal components, ensuring their stability and reliability. The stator core 211 provides an electromagnetic field, and the stator winding 212 generates a rotating magnetic field in the stator core 211, providing power to the rotor 213. The rotor 213 rotates in the magnetic field generated by the stator, thereby realizing the output of mechanical energy. The shaft 214 transmits the rotational motion of the rotor 213 to the external load. The end caps at both ends protect the internal components. The fan 217 can effectively dissipate the heat generated by the stator and rotor 213 during operation, ensuring the normal operating temperature of the micro motor and extending its service life. The fan shroud 218 can effectively guide the airflow and prevent foreign objects from entering the fan 217.

[0026] Please see Figure 3 Rotor 213 is equipped with rotor fans 219 at both ends. The front cover 215 and the inner cover 216 are both fitted with bearings 220 on the outside of the rotating shaft 214. One end of the front cover 215 is equipped with a bearing cover 221. The base 210 and the inner cover 216 are both provided with grooves. The front cover 215 and the base 210 are both provided with matching protruding rings 222.

[0027] In one specific embodiment, please refer to Figure 3 The rotor fan 219 increases airflow and accelerates heat dissipation. The bearing 220 supports the shaft 214, ensuring smooth rotation and reducing friction. The bearing cover 221 seals and protects the bearing 220, preventing dust and foreign objects from entering the bearing 220 and maintaining lubricating oil to improve the bearing 220's performance. The groove and the convex ring 222 securely engage the base 210 with the end caps at both ends, providing a seal.

[0028] Please see Figure 3 The base 210 has a heat sink 223 arranged in an outer ring, a fixing strip 224 arranged in an outer ring, a protrusion 225 arranged in an outer ring on the front end cover 215 and the inner end cover 216, and the fixing strip 224 and the protrusion 225 are installed internally by screw threads, and a base 226 is provided at the bottom of the base 210.

[0029] In one specific embodiment, please refer to Figure 3 Heat is dissipated from the inside of the base 210 through the heat sink 223. The annular design increases the contact area with air, thereby improving heat dissipation efficiency and preventing the micro motor from degrading or being damaged due to overheating. The fixing strip 224 and the protrusion 225 are installed with screw threads to firmly connect the base 210 to the end caps at both ends, ensuring that vibration and impact during operation will not cause loosening, and also facilitating maintenance and disassembly. The base 226 provides support for the micro motor and ensures the stability of the micro motor.

[0030] Please see Figure 2 Both the base 226 and the fixing plate 110 have through holes 227 of the same diameter inside. Bolts are installed inside the through holes 227. A reinforcing rib is provided in the middle of the base 226. The height of the upper cover plate 111 is greater than that of the lower cover plate 113.

[0031] In one specific embodiment, please refer to Figure 2 Since the base 226 and the through hole 227 inside the fixing plate 110 are connected by bolt threads, the micro motor assembly 200 and the disassembly assembly 100 are stably connected, and disassembly and installation are also convenient. The reinforcing ribs increase the structural strength and rigidity of the base 226, and the height of the upper cover plate 111 is greater than that of the lower cover plate 113, which gives it a sense of layering.

[0032] Please see Figure 3 A junction box 228 is provided on the outer side of the base 210, and limit holes 122 are provided at all four corners of the base plate 121.

[0033] In one specific embodiment, please refer to Figure 3 The junction box 228 is used to connect the power supply to ensure that the internal power connection part is not affected by the external environment, and the limiting hole 122 makes it easy to fix the base plate 121 in a certain position.

[0034] This utility model provides a micro motor that is easy to install and disassemble, and its specific usage is as follows: The base 210 is securely engaged with the end caps at both ends via grooves and protruding rings 222, providing a seal. The fixing strip 224 and protrusion 225 are connected by screw threads, ensuring a firm connection between the base 210 and the end caps, preventing loosening due to vibration and impact during operation, and facilitating maintenance and disassembly. The base 226 is connected to the through hole 227 inside the fixing plate 110 via bolt threads, ensuring a stable connection between the micro-motor assembly 200 and the disassembly assembly 100, while also facilitating disassembly and installation. Pulling the handle... The long strip 120, positioning rod 117, and cross 118 are pulled outwards along the positioning groove 116 of positioning post 115. The spring 119 outside the positioning rod 117 is compressed. When the cross 118 is pulled away from the upper cover plate 111, the guide plates 112 on both sides of the upper cover plate 111 slide out from the guide groove 114 of the lower cover plate 113. The upper cover plate 111 is released from its limit, thereby easily disassembling the micro motor assembly 200 from the disassembly assembly 100. When the handle is released, the positioning rod 117 is reset by the elasticity of the spring 119.

[0035] The contents not described in detail in this description are existing technologies known to those skilled in the art. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A micro motor that is easy to install and disassemble, characterized in that, include: The assembly / disassembly component (100) includes a fixing plate (110), with an upper cover plate (111) at the bottom of the fixing plate (110). A set of guide plates (112) are provided on both outer sides of the upper cover plate (111). The upper cover plate (111) is movably disposed inside a lower cover plate (113). A set of guide grooves (114) are provided on both inner side walls of the lower cover plate (113). A positioning post (115) is provided in the center of the lower cover plate (113). Positioning grooves (116) are provided at both ends of the positioning post (115), and the positioning grooves (116) are slidably disposed inside the positioning grooves (116). There is a positioning rod (117), and a cross (118) is fixedly installed at the opposite end of the positioning rod (117). The positioning rod (117) and the cross (118) both pass through the two sides of the upper cover plate (111). The positioning rod (117) passes through the two sides of the lower cover plate (113). A spring (119) is sleeved on the outside of the positioning rod (117) located between the lower cover plate (113) and the cross (118). A long strip plate (120) is provided on the outside of the positioning rod (117) and a pull handle is provided on the outside. A bottom plate (121) is provided at the bottom end of the lower cover plate (113).

2. The micro motor according to claim 1, characterized in that: The micro motor assembly (200) includes a base (210), inside which a stator core (211) is provided and a stator winding (212) is wound. Inside the stator core (211), a rotor (213) is rotatably provided. Inside the rotor (213), a rotating shaft (214) is provided in the middle. At both ends of the base (210), a front end cover (215) and an inner end cover (216) are respectively provided. At one end of the inner end cover (216), a fan (217) is provided. Outside the fan (217), a fan cover (218) is provided.

3. The micro motor according to claim 2, characterized in that: Both ends of the rotor (213) are provided with rotor fans (219). The interior of the front end cover (215) and the inner end cover (216) are both fitted with bearings (220) outside the rotating shaft (214). One end of the front end cover (215) is provided with a bearing cover (221). One end of the base (210) and the inner end cover (216) are both provided with grooves. One end of the front end cover (215) and the base (210) is provided with matching convex rings (222).

4. The micro motor according to claim 2, characterized in that: The base (210) is provided with heat sinks (223) on its outer ring, and a fixing strip (224) is provided on its outer ring. The front end cover (215) and the inner end cover (216) are provided with protrusions (225) on their outer rings. The fixing strip (224) and the protrusions (225) are installed internally by screw threads. The base (226) is provided at the bottom of the base (210).

5. The micro motor according to claim 4, characterized in that: Both the base (226) and the fixing plate (110) have through holes (227) of the same diameter. Bolts are movably inserted into the through holes (227). A reinforcing rib is provided in the middle of the base (226). The height of the upper cover plate (111) is greater than that of the lower cover plate (113).

6. The micro motor according to claim 2, characterized in that: A junction box (228) is provided on the outer side of the base (210), and limit holes (122) are provided at all four corners of the base plate (121).

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