CN221240179U

CN221240179U - Hub motor plug structure

Info

Publication number: CN221240179U
Application number: CN202323182294.8U
Authority: CN
Inventors: 周慧锋
Original assignee: Zhuhai Blueprint Sports Technology Co ltd
Current assignee: Zhuhai Blueprint Sports Technology Co ltd
Priority date: 2023-11-24
Filing date: 2023-11-24
Publication date: 2024-06-28
Anticipated expiration: 2033-11-24

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

Hub motor plug structure

Technical Field

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

Background

In conventional bicycle hub motor designs, the lead wires are typically arranged in such a manner that the hall sensor is directly connected to the hall signal leads, while the three-phase leads are directly connected to the winding copper wire ends. Under this design, both the hall signal lead wire trace and the three-phase lead wire trace are fixed above the winding copper wire. However, this conventional arrangement is complicated and cumbersome in process, with the leads being randomly distributed over the winding copper wire.

Disclosure of utility model

The utility model aims to provide a hub motor plugging structure and aims to solve the problem that lead wires of a hub motor are arranged in a messy mode in the prior art.

In order to solve the technical problems, the aim of the utility model is realized by the following technical scheme: the utility model provides a hub motor connects structure for connect hub motor's lead wire assembly, including grafting subassembly, signal subassembly and stator core, signal subassembly with stator core connects, grafting subassembly includes male joint and female joint, the one end of male joint with signal subassembly is connected, the other end of male joint with the one end of female joint is connected, the other end of female joint with lead wire assembly is connected; wherein, the lead assembly is electrically connected with the signal assembly through the plug-in assembly;

further, the signal assembly comprises a PCB;

Further, a winding wire is wound on the stator core, a three-phase lead hole is formed in the PCB corresponding to the male connector, the winding wire is connected with the three-phase lead hole, a three-phase stitch is arranged at one end of the male connector, and the three-phase stitch is inserted and installed in the three-phase lead hole;

further, the three-phase lead holes are through holes, and one ends of the three-phase pins penetrate through the three-phase lead holes and are welded to the bottom of the PCB;

Further, one end of the bus connector is provided with a three-phase lead slot, and one end of the three-phase pin is inserted into the three-phase lead slot;

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

Further, the Hall signal lead hole is a through hole which penetrates through, and the Hall signal pin penetrates through the Hall signal lead hole and is welded at the bottom of the PCB;

Further, one end of the bus joint is provided with a Hall signal lead slot, and the other end of the Hall signal pin is inserted into the Hall signal lead slot;

Further, the PCB is provided with a mounting hole, one end of the male connector is provided with a mounting column, and the mounting column is inserted and mounted in the mounting hole;

Further, the other end of the male connector is detachably connected with one end of the female connector.

The embodiment of the utility model provides 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 plug assembly comprises a male connector and a female connector, one end of the male connector is connected with the signal assembly, the other end of the male connector is connected with one end of the female connector, and the other end of the female connector is connected with the lead assembly; 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.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a hub motor connector structure according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a hub motor connector structure according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural diagram of a male connector according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a male connector according to an embodiment of the present utility model;

Fig. 6 is a schematic structural diagram of a female connector according to an embodiment of the present utility model;

Fig. 7 is a schematic structural diagram of a plug assembly according to an embodiment of the present utility model.

The figure identifies the description:

10. a lead assembly;

20. A plug assembly; 21. a male connector; 211. three-phase stitch; 212. hall signal pins; 213. a mounting column; 214. a positioning strip; 215. a stop bar; 22. a female joint; 221. three-phase lead slots; 222. hall signal lead slot; 223. a positioning groove; 224. a protrusion;

30. a signal assembly; 31. a PCB board; 311. three-phase lead holes; 312. hall signal lead hole; 313. a mounting hole; 32. a hall sensor;

40. a stator core; 41. winding wire.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

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

Referring to fig. 1 and 2, an embodiment of the present utility model provides a hub motor connector structure, which is used for connecting a lead assembly 10 of a hub motor, and comprises a connector assembly 20, a signal assembly 30 and a stator core 40, wherein the signal assembly 30 is connected with the stator core 40, the connector assembly 20 comprises a male connector 21 and a female connector 22, one end of the male connector 21 is connected with the signal assembly 30, the other end of the male connector 21 is connected with one end of the female connector 22, and the other end of the female connector 22 is connected with the lead assembly 10; wherein the lead assembly 10 is electrically connected to the signal assembly 30 through the plug assembly 20.

In this embodiment, the plug assembly 20 is a core part of this embodiment, and includes a male connector 21 and a female connector 22. The male connector 21 is designed for connection to the signal assembly 30 and the female connector 22 is designed for connection to the lead assembly 10, with the mating designs of the male connector 21 and the female connector 22 allowing the lead assembly 10 to be easily connected and disconnected from the remainder of the motor.

Specifically, one end of the male connector 21 is connected with the signal component 30, so that stable transmission of signals is ensured; the other end of the male connector 21 is connected to one end of the female connector 22 to form a convenient-to-operate plug. The other end of the female connector 22 is connected to the lead assembly 10, and the lead assembly 10 is integrally connected to the female connector 22. The signal assembly 30, the male connector 21, the female connector 22 and the lead assembly 10 form a signal transmission path when the motor is in operation.

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

In this embodiment, the PCB board 31 is a printed circuit board on which the electronic components and circuits required for motor control are integrated. The stator core 40 is generally annular, and the PCB 31 may be correspondingly disposed on the stator core 40 in a semicircular shape.

Referring to fig. 3 and fig. 4, in an embodiment, a winding wire 41 is wound on the stator core 40, 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 with the three-phase lead hole 311, a three-phase pin 211 is provided at one end of the male connector 21, and the three-phase pin 211 is inserted into the three-phase lead hole 311.

In the present embodiment, the stator core 40 is used to provide the magnetic field of the motor. Winding wires 41 are wound on the stator core 40 and are responsible for generating magnetic fields and currents required by the motor, and copper is generally used as a material of the winding wires 41, that is, the winding wires 41 are winding copper wires. Three-phase lead holes 311 are designed on the PCB 31, and the three-phase lead holes 311 are communicated with the winding wires 41 through copper wires arranged in the PCB 31. One end of the male connector 21 is designed with a three-phase pin 211 for inserting into a three-phase lead hole 311 on the PCB board 31, thereby realizing conductive connection of the winding wire 41 and the male connector 21.

In one embodiment, the three-phase lead holes 311 are through holes, and one ends of the three-phase pins 211 pass through the three-phase lead holes 311 and are soldered to the bottom of the PCB 31.

In the present embodiment, the three-phase lead holes 311 are through holes for receiving and connecting the three-phase pins 211. The three-phase pins 211 on the male connector 21 are used to connect with the three-phase lead holes 311 on the PCB board 31, and the three-phase pins 211 can pass through the three-phase lead holes 311. When the motor is assembled, one end of the three-phase pin 211 passes through the three-phase lead hole 311 on the PCB 31, and then is welded at the bottom of the PCB 31, and the penetrating and welding manner ensures firm connection between the three-phase pin 211 and the PCB 31.

As shown in fig. 5 and 6, in an embodiment, one end of the bus bar 22 is provided with a three-phase lead slot 221, and one end of the three-phase pin 211 is inserted into the three-phase lead slot 221.

In the present embodiment, a three-phase lead slot 221 is designed at one end of the busbar 22, and the three-phase lead slot 221 is used for accommodating and accessing the three-phase pins 211. The three-phase lead slots 221 are used to ensure proper mating of the three-phase pins 211, providing an insertion point for the three-phase pins 211. During assembly, one end of the three-phase pin 211 is inserted into the three-phase lead slot 221 of the female connector 22. The lead assembly 10 may be directly connected to one end of the three-phase pin 211 through the three-phase lead slot 221. The three-phase lead slot 221 may be in signal connection with one end of the three-phase pin 211, so that the lead assembly 10 may also be in signal connection with the three-phase lead slot 221, thereby implementing signal connection between the lead assembly 10 and one end of the three-phase pin 211.

Further, a slot is formed at one end of the male connector 21, which is close to the female connector 22, along the insertion direction, the three-phase pins 211 are positioned in the slot, a positioning strip 214 is arranged on the inner wall of the slot, and a positioning slot 223 is formed on the outer wall of the female connector 22 corresponding to the positioning strip 214; the positioning groove 223 helps to guide the pin 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, and prevents dislocation or inclination.

In an embodiment, a hall sensor 32 is disposed between the PCB 31 and the stator core 40, the PCB 31 is provided with a hall signal lead hole 312 corresponding to the male connector 21, the hall sensor 32 is connected with the hall signal lead hole 312, one end of the male connector 21 is provided with a hall signal pin 212, and the hall signal pin 212 is inserted into the hall signal lead hole 312.

In the present embodiment, the hall sensor 32 is disposed between the PCB board 31 and the stator core 40, a hall signal lead hole 312 is provided on the PCB board 31, and the hall signal lead hole 312 is conducted with the hall sensor 32 through copper wires built in the PCB board 31. One end of the male connector 21 is provided with a hall signal pin 212 for being inserted and connected with a hall signal lead hole 312 on the PCB board 31, thereby realizing conductive connection between the hall sensor 32 and the male connector 21.

In one embodiment, the hall signal lead holes 312 are through holes, and the hall signal pins 212 pass through the hall signal lead holes 312 and are soldered to the bottom of the PCB board 31.

In this embodiment, the hall signal lead holes 312 are through holes for receiving and connecting the hall signal pins 212. The hall signal pins 212 pass through the hall signal lead holes 312 and are soldered at the bottom of the PCB board 31, and this penetration and soldering ensures a secure connection between the hall signal pins 212 and the PCB board 31.

In one embodiment, one end of the bus bar 22 is provided with a hall signal lead slot 222, and the other end of the hall signal pin 212 is inserted into the hall signal lead slot 222.

In this embodiment, a hall signal lead slot 222 is disposed at one end of the bus bar 22 for accommodating the hall signal pins 212, and the hall signal lead slot 222 is used to ensure that the hall signal pins 212 are properly docked. During motor assembly, the other end of the hall signal pin 212 is inserted into the hall signal lead slot 222 of the bus bar 22. The lead assembly 10 may be in signal connection with one end of the hall signal pin 212 directly through the hall signal lead slot 222. The hall signal lead groove 222 may be in signal connection with one end of the hall signal pin 212, so that the lead assembly 10 may also be in signal connection with the hall signal lead groove 222, so as to realize signal connection between the lead assembly 10 and one end of the hall signal pin 212.

In an embodiment, the PCB 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 into the mounting hole 313.

In the present embodiment, the PCB board 31 is provided with mounting holes 313, and the mounting holes 313 are used to fix and position the male connector 21. One end of the male connector 21 is designed with a mounting post 213 for interfacing with a mounting hole 313 on the PCB 31. The mounting posts 213 are sized and shaped to mate with the mounting holes 313 to ensure that the male connector 21 can be secured to the PCB 31. During motor assembly, the mounting posts 213 of the male connector 21 are inserted into the mounting holes 313 on the PCB board 31. One end of the male connector 21 further extends out to form a fixing plate, and when the mounting hole 313 is abutted with the mounting post 213, the fixing plate can be abutted against the PCB 31.

In one embodiment, as shown in connection with fig. 7, 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 form an electrical connection point of the motor, and the male connector 21 is designed to be detachably connected with the female connector 22, so that easy assembly and maintenance are achieved, and the male connector 21 and the female connector 22 can be easily docked. When the motor component is required to be maintained or replaced, the two connectors can be easily separated, so that the lead assembly and the stator core are separated, and the maintenance efficiency is improved.

Further, a stop bar 215 is arranged on the outer wall of the slot of the male connector 21, and a protrusion 224 is correspondingly arranged on the outer wall of the female connector 22; when the male connector 21 and the female connector 22 are connected, the projection 224 can contact the stop bar 215, thereby forming a locking point. Specifically, two stop strips 215 may be provided, the stop strips 215 are triangular and provided with inclined first sliding surfaces, the protrusions 224 are triangular and provided with inclined second sliding surfaces, when the male connector 21 and the female connector 22 are connected, the second sliding surfaces slide on the first sliding surfaces until two sides of the protrusions 224 are buckled into the two stop strips 215, namely, the locking state is achieved; when the male connector 21 and the female connector 22 need to be separated, the male connector 21 and the female connector 22 can be taken out only by shifting the positions of the protrusions 224 and the two stop strips 215. During assembly or maintenance of the motor, the male connector 21 is docked with the female connector 22 and inserted; when the two are fully mated, 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.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The hub motor plugging structure is used for connecting a lead assembly of a hub motor and is characterized by comprising a plugging component, a signal component and a stator core, wherein the signal component is connected with the stator core, the plugging component comprises a male connector and a female connector, one end of the male connector is connected with the signal component, the other end of the male connector is connected with one end of the female connector, and the other end of the female connector is connected with the lead assembly; the lead assembly is electrically connected with the signal assembly through the plug-in assembly.

2. The in-wheel motor socket structure of claim 1, wherein the signal assembly comprises a PCB board.

3. The hub motor plug structure according to claim 2, wherein a winding wire is wound on the stator core, a three-phase lead hole is provided on the PCB board corresponding to the male connector, the winding wire is connected with the three-phase lead hole, a three-phase pin is provided at one end of the male connector, and the three-phase pin is inserted into the three-phase lead hole.

4. The hub motor insertion structure according to claim 3, wherein the three-phase lead holes are through holes, and one ends of the three-phase pins penetrate through the three-phase lead holes and are welded to the bottom of the PCB.

5. The hub motor inserting structure according to claim 4, wherein one end of the female connector is provided with a three-phase lead groove, and one end of the three-phase pin is inserted into the three-phase lead groove.

6. The hub motor plug structure according to claim 2, wherein a hall sensor is disposed 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 with the hall signal lead hole, one end of the male connector is provided with a hall signal pin, and the hall signal pin is inserted into the hall signal lead hole.

7. The hub motor connector structure of claim 6, wherein said hall signal lead holes are through holes therethrough, and said hall signal pins pass through said hall signal lead holes and are soldered to the bottom of said PCB.

8. The hub motor connection structure according to claim 7, wherein one end of the female connector is provided with a hall signal lead groove, and the other end of the hall signal pin is inserted into the hall signal lead groove.

9. The hub motor connector structure according to claim 2, wherein the PCB board is provided with a mounting hole, and one end of the male connector is provided with a mounting post, and the mounting post is inserted into the mounting hole.

10. The hub motor insertion structure according to claim 1, wherein the other end of the male connector is detachably connected to one end of the female connector.