CN221240179U - Hub motor plug structure - Google Patents

Abstract

The embodiment of the utility model discloses a hub motor plug structure, which is used for connecting a lead assembly of a hub motor, and comprises a plug assembly, a signal assembly and a stator core, wherein the signal assembly is connected with the stator core; the lead assembly is electrically connected with the signal assembly through the plug-in assembly. The embodiment of the utility model simplifies the complexity of lead arrangement on the hub motor by utilizing the mode of electrically connecting the plug-in component and the signal component, and ensures that the lead arrangement is simpler, more convenient and more reliable.

Description

A hub motor plug-in structure

Technical Field

The utility model relates to the technical field of bicycles, in particular to a hub motor plug-in structure.

Background technique

In the traditional bicycle hub motor design, the lead arrangement usually adopts the method of directly connecting the Hall sensor to the Hall signal lead, and directly connecting the three-phase lead to the end of the winding copper wire. In this design, the Hall signal lead routing and the three-phase lead routing are fixed above the winding copper wire. However, this traditional layout process is complicated and cumbersome, and the leads are randomly distributed above the winding copper wire.

Utility Model Content

The utility model aims to provide a hub motor plug-in structure, aiming to solve the problem of the messy arrangement of the lead wires of the hub motor in the prior art.

In order to solve the above technical problems, the purpose of the utility model is achieved through the following technical solutions: providing a hub motor plug-in structure for connecting the lead assembly of the hub motor, comprising a plug-in component, a signal component and a stator core, wherein the signal component is connected to the stator core, the plug-in component comprises a male connector and a female connector, one end of the male connector is connected to the signal component, the other end of the male connector is connected to one end of the female connector, and the other end of the female connector is connected to the lead assembly; wherein the lead assembly is electrically connected to the signal component through the plug-in component;

Further, the signal component includes a PCB board;

Furthermore, the stator core is wound with winding wires, the PCB board is provided with three-phase lead holes corresponding to the male connector, the winding wires are connected to the three-phase lead holes, one end of the male connector is provided with three-phase pins, and the three-phase pins are plugged and installed in the three-phase lead holes;

Furthermore, the three-phase lead hole is a through hole, and one end of the three-phase pin passes through the three-phase lead hole and is welded to the bottom of the PCB board;

Furthermore, a three-phase lead groove is provided at one end of the female connector, and one end of the three-phase pin is inserted into the three-phase lead groove;

Furthermore, a Hall sensor is arranged between the PCB board and the stator core, the PCB board is provided with a Hall signal lead hole corresponding to the male connector, the Hall sensor is connected to the Hall signal lead hole, one end of the male connector is provided with a Hall signal pin, and the Hall signal pin is plugged and installed in the Hall signal lead hole;

Furthermore, the Hall signal lead hole is a through hole, and the Hall signal pin passes through the Hall signal lead hole and is welded to the bottom of the PCB board;

Furthermore, a Hall signal lead groove is provided at one end of the female connector, and the other end of the Hall signal pin is inserted into the Hall signal lead groove;

Furthermore, the PCB board is provided with a mounting hole, one end of the male connector is provided with a mounting post, and the mounting post is plugged and installed in the mounting hole;

Furthermore, the other end of the male connector is detachably connected to one end of the female connector.

The embodiment of the utility model provides a hub motor plug-in structure, which is used to connect the lead assembly of the hub motor, including a plug-in component, a signal component and a stator core, wherein the signal component is connected to the stator core, and the plug-in component includes a male connector and a female connector, wherein one end of the male connector is connected to the signal component, the other end of the male connector is connected to one end of the female connector, and the other end of the female connector is connected to the lead assembly; wherein the lead assembly is electrically connected to the signal component through the plug-in component. The embodiment of the utility model simplifies the complexity of the lead arrangement on the hub motor by using the method of electrically connecting the plug-in component to the signal component, making the lead arrangement more convenient and reliable.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

FIG1 is a structural schematic diagram 1 of a hub motor plug-in structure provided by an embodiment of the utility model;

FIG2 is an exploded view of a hub motor plug-in structure provided by an embodiment of the utility model;

FIG3 is an enlarged view of portion A in FIG2 ;

FIG4 is a first structural diagram of a male connector provided in an embodiment of the utility model;

FIG5 is a second structural schematic diagram of a male connector provided in an embodiment of the utility model;

FIG6 is a schematic diagram of the structure of a female connector provided in an embodiment of the present utility model;

FIG. 7 is a schematic diagram of the structure of the plug-in assembly provided in an embodiment of the utility model.

Description of the symbols in the figure:

10. Lead assembly;

20. Plug assembly; 21. Male connector; 211. Three-phase pin; 212. Hall signal pin; 213. Mounting column; 214. Positioning strip; 215. Stop strip; 22. Female connector; 221. Three-phase lead slot; 222. Hall signal lead slot; 223. Positioning slot; 224. Protrusion;

30. Signal component; 31. PCB board; 311. Three-phase lead hole; 312. Hall signal lead hole; 313. Mounting hole; 32. Hall sensor;

40. Stator core; 41. Winding wire.

Detailed ways

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and/or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or combinations thereof.

It should also be understood that the terms used in this utility model specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model. As used in this utility model specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

It should be further understood that the term “and/or” used in the present specification and the appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

In combination with Figures 1 and 2, an embodiment of the utility model provides a hub motor plug-in structure, which is used to connect the lead assembly 10 of the hub motor, including a plug-in component 20, a signal component 30 and a stator core 40, the signal component 30 is connected to the stator core 40, the plug-in component 20 includes a male connector 21 and a female connector 22, one end of the male connector 21 is connected to the signal component 30, the other end of the male connector 21 is connected to one end of the female connector 22, and the other end of the female connector 22 is connected to the lead assembly 10; wherein the lead assembly 10 is electrically connected to the signal component 30 through the plug-in component 20.

In this embodiment, the plug assembly 20 is the core part of this embodiment, and includes a male connector 21 and a female connector 22. The male connector 21 is designed to be connected to the signal component 30, and the female connector 22 is designed to be connected to the lead assembly 10. The matching design of the male connector 21 and the female connector 22 allows the lead assembly 10 to be easily connected or disconnected with the rest of the motor.

Specifically, one end of the male connector 21 is connected to the signal component 30 to ensure stable signal transmission; the other end of the male connector 21 is connected to one end of the female connector 22 to form a plug point that is easy to operate. The other end of the female connector 22 is connected to the lead assembly 10, and the lead assembly 10 is uniformly connected to the female connector 22. When the motor is running, the signal component 30, the male connector 21, the female connector 22, and the lead assembly 10 form a signal transmission path.

In one embodiment, the signal component 30 includes a PCB board 31 .

In this embodiment, the PCB board 31 is a printed circuit board on which electronic components and circuits required for motor control are integrated. Usually, the stator core 40 is annular, and the PCB board 31 can be semi-annular and correspondingly arranged on the stator core 40.

As shown in Figures 3 and 4, in one embodiment, a winding wire 41 is wound around the stator core 40, and a three-phase lead hole 311 is provided on the PCB board 31 corresponding to the male connector 21. The winding wire 41 is connected to the three-phase lead hole 311, and a three-phase pin 211 is provided at one end of the male connector 21, and the three-phase pin 211 is plugged and installed in the three-phase lead hole 311.

In this embodiment, the stator core 40 is used to provide the magnetic field of the motor. A winding wire 41 is wound on the stator core 40, which is responsible for generating the magnetic field and current required by the motor. The material of the winding wire 41 is usually copper, that is, the winding wire 41 is a winding copper wire. A three-phase lead hole 311 is designed on the PCB board 31, and the three-phase lead hole 311 and the winding wire 41 are connected through the copper wire built into the PCB board 31. A three-phase pin 211 is designed at one end of the male connector 21, which is used to be inserted into the three-phase lead hole 311 on the PCB board 31, so as to realize the conductive connection between the winding wire 41 and the male connector 21.

In one embodiment, the three-phase lead hole 311 is a through hole, and one end of the three-phase pin 211 passes through the three-phase lead hole 311 and is soldered to the bottom of the PCB board 31 .

In this embodiment, the three-phase lead hole 311 is a through hole for accommodating and connecting the three-phase pin 211. The three-phase pin 211 on the male connector 21 is used to connect with the three-phase lead hole 311 on the PCB board 31, and the three-phase pin 211 can pass through the three-phase lead hole 311. When assembling the motor, one end of the three-phase pin 211 passes through the three-phase lead hole 311 on the PCB board 31, and then is welded at the bottom of the PCB board 31. This penetration and welding method ensures a firm connection between the three-phase pin 211 and the PCB board 31.

As shown in combination with FIG. 5 and FIG. 6 , in one embodiment, a three-phase lead groove 221 is provided at one end of the female connector 22 , and one end of the three-phase pin 211 is inserted into the three-phase lead groove 221 .

In this embodiment, a three-phase lead groove 221 is designed at one end of the female connector 22, and the three-phase lead groove 221 is used to accommodate and access the three-phase pin 211. The three-phase lead groove 221 is used to ensure the correct docking of the three-phase pin 211 and provide an insertion point for the three-phase pin 211. During the assembly process, one end of the three-phase pin 211 is inserted into the three-phase lead groove 221 of the female connector 22. The lead assembly 10 can directly pass through the three-phase lead groove 221 to connect the signal with one end of the three-phase pin 211. The three-phase lead groove 221 can be connected to the signal of one end of the three-phase pin 211, so that the lead assembly 10 can also be connected to the three-phase lead groove 221 for signal connection, thereby realizing the signal connection between the lead assembly 10 and one end of the three-phase pin 211.

Furthermore, a slot is provided along the insertion direction at one end of the male connector 21 close to the female connector 22, the three-phase pin 211 is located in the slot, and a positioning strip 214 is provided on the inner wall of the slot, and a positioning groove 223 is provided on the outer wall of the female connector 22 corresponding to the positioning strip 214; the positioning groove 223 helps to guide the pins on the male connector 21, and the matching design of the positioning strip 214 and the positioning groove 223 ensures the correct positioning of the male connector 21 and the female connector 22 during connection to prevent misalignment or tilt.

In one embodiment, a Hall sensor 32 is arranged between the PCB board 31 and the stator core 40, and a Hall signal lead hole 312 is arranged on the PCB board 31 corresponding to the male connector 21, the Hall sensor 32 is connected to the Hall signal lead hole 312, and a Hall signal pin 212 is arranged at one end of the male connector 21, and the Hall signal pin 212 is plugged and installed in the Hall signal lead hole 312.

In this embodiment, the Hall sensor 32 is arranged between the PCB board 31 and the stator core 40, and the PCB board 31 is provided with a Hall signal lead hole 312, and the Hall signal lead hole 312 and the Hall sensor 32 are connected through the copper wire built into the PCB board 31. One end of the male connector 21 is provided with a Hall signal pin 212, which is used to be plugged and connected with the Hall signal lead hole 312 on the PCB board 31, so as to realize the conductive connection between the Hall sensor 32 and the male connector 21.

In one embodiment, the Hall signal lead hole 312 is a through hole, and the Hall signal pin 212 passes through the Hall signal lead hole 312 and is soldered to the bottom of the PCB board 31 .

In this embodiment, the Hall signal lead hole 312 is a through hole for accommodating and connecting the Hall signal pin 212. The Hall signal pin 212 passes through the Hall signal lead hole 312 and is welded at the bottom of the PCB board 31. This penetration and welding method ensures a firm connection between the Hall signal pin 212 and the PCB board 31.

In one embodiment, a Hall signal lead groove 222 is disposed at one end of the female connector 22 , and the other end of the Hall signal pin 212 is inserted into the Hall signal lead groove 222 .

In this embodiment, a Hall signal lead groove 222 is provided at one end of the female connector 22 for accommodating the Hall signal pin 212, and the Hall signal lead groove 222 is used to ensure that the Hall signal pin 212 is correctly connected. During the motor assembly process, the other end of the Hall signal pin 212 is inserted into the Hall signal lead groove 222 of the female connector 22. The lead assembly 10 can directly pass through the Hall signal lead groove 222 to connect the signal with one end of the Hall signal pin 212. The Hall signal lead groove 222 can be connected to the signal of one end of the Hall signal pin 212, so that the lead assembly 10 can also be connected to the Hall signal lead groove 222, thereby realizing the signal connection between the lead assembly 10 and one end of the Hall signal pin 212.

In one embodiment, the PCB board 31 is provided with a mounting hole 313 , and one end of the male connector 21 is provided with a mounting post 213 , and the mounting post 213 is inserted and installed in the mounting hole 313 .

In this embodiment, a mounting hole 313 is provided on the PCB board 31, and the mounting hole 313 is used to fix and position the male connector 21. A mounting post 213 is designed at one end of the male connector 21, which is used to dock with the mounting hole 313 on the PCB board 31. The size and shape of the mounting post 213 match the mounting hole 313 to ensure that the male connector 21 can be fixed on the PCB board 31. During the motor assembly process, the mounting post 213 of the male connector 21 is plugged and installed in the mounting hole 313 on the PCB board 31. A fixing plate is also extended outward from one end of the male connector 21. When the mounting hole 313 and the mounting post 213 are docked, the fixing plate can be against the PCB board 31.

As shown in FIG. 7 , in one embodiment, the other end of the male connector 21 is detachably connected to one end of the female connector 22 .

In this embodiment, the male connector 21 and the female connector 22 together constitute the electrical connection point of the motor. The male connector 21 is designed to be detachably connected to the female connector 22, thereby achieving simple assembly and maintenance. The male connector 21 and the female connector 22 can be easily connected. When maintenance or replacement of motor parts is required, the two connectors can be easily separated, thereby separating the lead assembly and the stator core, thereby improving maintenance efficiency.

Furthermore, a stopper strip 215 is provided on the outer wall of the slot of the male connector 21, and a protrusion 224 is correspondingly provided on the outer wall of the female connector 22; when the male connector 21 and the female connector 22 are connected, the protrusion 224 can contact the stopper strip 215, thereby forming a locking point. Specifically, two stopper strips 215 can be provided, the stopper strip 215 is triangular and provided with an inclined first sliding surface, and the protrusion 224 is triangular and provided with an inclined second sliding surface. When the male connector 21 and the female connector 22 are connected, the second sliding surface slides on the first sliding surface until the two sides of the protrusion 224 are buckled into the two stopper strips 215, that is, the locking state; when the male connector 21 and the female connector 22 need to be separated, it is only necessary to stagger the positions of the protrusion 224 and the two stopper strips 215 to remove them. During the assembly or maintenance of the motor, the male connector 21 and the female connector 22 are docked and inserted; when the two are fully docked, the protrusion 224 of the female connector 22 will collide and lock with the stop bar 215 of the male connector 21, thereby preventing the connector from accidentally falling off or loosening during operation.

The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims (10)

1. A hub motor plug-in structure, used for connecting the lead assembly of the hub motor, characterized in that it includes a plug-in component, a signal component and a stator core, the signal component is connected to the stator core, the plug-in component includes a male connector and a female connector, one end of the male connector is connected to the signal component, the other end of the male connector is connected to one end of the female connector, and the other end of the female connector is connected to the lead assembly; wherein the lead assembly is electrically connected to the signal component through the plug-in component. 2. The hub motor connector structure according to claim 1, characterized in that the signal component comprises a PCB board. 3. The hub motor connector structure according to claim 2 is characterized in that a winding wire is wound around the stator core, the PCB board is provided with a three-phase lead hole corresponding to the male connector, the winding wire is connected to the three-phase lead hole, one end of the male connector is provided with a three-phase pin, and the three-phase pin is plugged and installed in the three-phase lead hole. 4. The hub motor connector structure according to claim 3 is characterized in that the three-phase lead hole is a through hole, and one end of the three-phase pin passes through the three-phase lead hole and is welded to the bottom of the PCB board. 5. The hub motor connection structure according to claim 4, characterized in that a three-phase lead groove is provided at one end of the female connector, and one end of the three-phase pin is inserted into the three-phase lead groove. 6. The hub motor connector structure according to claim 2 is characterized in that a Hall sensor is arranged between the PCB board and the stator core, the PCB board is provided with a Hall signal lead hole corresponding to the male connector, the Hall sensor is connected to the Hall signal lead hole, a Hall signal pin is arranged at one end of the male connector, and the Hall signal pin is plugged and installed in the Hall signal lead hole. 7. The hub motor connector structure according to claim 6, characterized in that the Hall signal lead hole is a through hole, and the Hall signal pin passes through the Hall signal lead hole and is welded to the bottom of the PCB board. 8. The hub motor connector structure according to claim 7, characterized in that a Hall signal lead groove is provided at one end of the female connector, and the other end of the Hall signal pin is inserted into the Hall signal lead groove. 9. The hub motor connection structure according to claim 2, characterized in that the PCB board is provided with a mounting hole, and one end of the male connector is provided with a mounting column, and the mounting column is plugged and installed in the mounting hole. 10. The hub motor connection structure according to claim 1, characterized in that the other end of the male connector is detachably connected to one end of the female connector.