CN217741472U

CN217741472U - Hall lead-out wire structure is stepped on frequently to rotor motor card base in wheel hub

Info

Publication number: CN217741472U
Application number: CN202221386883.0U
Authority: CN
Inventors: 王友明; 丁俊; 王英喆
Original assignee: Bafang Electric Suzhou Co Ltd
Current assignee: Bafang Electric Suzhou Co Ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-11-04
Anticipated expiration: 2032-06-06

Abstract

The utility model discloses a hall lead-out wire structure is stepped on frequently to wheel hub inner rotor motor card base, it relates to wheel hub inner rotor motor field. The key points of the technical scheme comprise: a magnetic ring is arranged in the outer ring of the card base, a Hall opposite to the magnetic ring is arranged on the right half shaft, and the Hall is connected with a Hall outgoing line; a lead channel is arranged in the right half shaft, a lead pipe penetrating through the middle shaft is arranged between the right half shaft and the stator outlet end cover, and a lead perforation is arranged on the stator outlet end cover; the lead channel, the lead tube and the lead through hole form an internal wiring channel matched with the Hall outgoing line. The utility model discloses can avoid the interference of core structure for the hall lead-out wire can be walked line to outlet hole department, then is connected to the motor lead wire together with the lead wire of stator, realizes the purpose that is connected with the controller circuit board through the motor lead wire, thereby can effectively realize the controller and step on the matching of signal frequently with hall signal transmission to the controller circuit board, solves electric bicycle's the hidden danger problem of stepping out.

Description

Hall lead-out wire structure is stepped on frequently to rotor motor card base in wheel hub

Technical Field

The utility model relates to an in-wheel rotor motor field, more specifically say, it relates to an in-wheel rotor motor card base is stepped on hall outgoing line structure frequently.

Background

Present wheel hub inner rotor motor, card base and the connector distribution of being qualified for the next round of competitions are in the both sides of motor, and if structurally this will increase on the card base and step on hall response function frequently, will be because the interference of inside core, can't be connected to the connector department of being qualified for the next round of competitions with stepping on hall's lead-out wire frequently, lead to wheel hub inner rotor motor to be difficult to realize the card base and step on hall response function frequently, be unfavorable for and step on the transmission of signal frequently with the controller cooperation realization.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an in-wheel rotor motor card base steps on hall lead-out wire structure frequently, it adopts inside line passageway of walking, can avoid the interference of core structure, make hall lead-out wire can walk line to outlet hole department, then be connected to the motor lead wire together with the lead wire of stator, realize the purpose that is connected with the controller circuit board through the motor lead wire, thereby can be with hall signal transmission to the controller circuit board on, effectively realize the controller and step on the matching of signal frequently, solve electric bicycle's hidden danger problem of stepping out.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a base-stepping frequency Hall outgoing line structure of an in-wheel hub inner rotor motor comprises a left half shaft, a middle shaft and a right half shaft which are sequentially arranged along an axial direction, wherein a stator outgoing line end cover is arranged at the inner end of the left half shaft, a line outlet hole is formed in the left half shaft, and a base outer ring is supported on the right half shaft in a rolling manner;

a magnetic ring is arranged in the outer ring of the card base, a Hall opposite to the magnetic ring is arranged on the right half shaft, and the Hall is connected with a Hall outgoing line;

a lead channel is arranged in the right half shaft, a lead pipe penetrating through the middle shaft is arranged between the right half shaft and the stator outlet end cover, and a lead perforation communicated with the outlet hole is formed in the stator outlet end cover; one end of the lead tube is communicated with the lead channel, and the other end of the lead tube is communicated with the lead perforation;

the lead channel, the lead tube and the lead through hole form an internal wiring channel matched with the Hall outgoing line.

Furthermore, a through hole matched with the lead tube is formed in the middle shaft, and the inner side wall of the through hole is in clearance fit with the outer side wall of the lead tube.

Further, the axis of the lead tube is coincident with the axis of the middle shaft.

Furthermore, the lead channel comprises a first lead channel and a second lead channel, the opening of the second lead channel is located on the inner end face of the right half shaft, and the end portion of the lead pipe is embedded in the second lead channel.

Furthermore, a positioning groove communicated with the first lead channel is formed in the right half shaft, and the Hall is arranged in the positioning groove.

Furthermore, adhesives are arranged in the positioning groove and the first lead channel.

Furthermore, the Hall outgoing line comprises a first Hall outgoing line and a second Hall outgoing line, the first Hall outgoing line and the second Hall outgoing line are connected through a connector, and the first Hall outgoing line is connected with the Hall.

Further, the connector is located in the first lead channel, and the connector comprises a female connector connected with the first hall lead wire and a male connector connected with the second hall lead wire.

Furthermore, one end of the lead perforation is provided with an inner spigot matched with the lead pipe.

Furthermore, a magnetic ring support matched with the magnetic ring is arranged on the inner side wall of the outer ring of the clamping base.

To sum up, the utility model discloses following beneficial effect has:

1. the lead channel, the lead tube and the lead perforation form an internal wiring channel matched with the Hall lead wire, the internal wiring channel is adopted, the interference of a core structure can be avoided, the Hall lead wire can be wired to the lead hole, and then the Hall lead wire and the lead of the stator are connected to the motor lead wire together, so that the purpose of connecting the motor lead wire and the controller circuit board is realized, the Hall signal can be transmitted to the controller circuit board, the matching of the controller and the stepping frequency signal is effectively realized, and the problem of step-out hidden danger of the electric moped is solved;

2. adopt the lead wire pipe, conveniently carry out the threading of hall lead-out wire and arrange on the one hand, on the other hand can avoid taking place contact friction between hall lead-out wire and the axis.

Drawings

FIG. 1 is a cross-sectional view of a card base-frequency Hall lead-out structure of an inner rotor motor in a hub according to an embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 1;

FIG. 4 is a schematic structural diagram of a left half shaft and a stator outlet end cover in the embodiment.

In the figure: 1. a right half shaft; 11. positioning a groove; 12. a first lead channel; 13. a second lead channel; 2. a left half shaft; 21. a wire outlet hole; 3. a middle shaft; 31. a through hole; 4. a stator outlet end cover; 41. perforating a lead; 5. a clamping base outer ring; 51. a magnetic ring support; 52. a magnetic ring; 6. a Hall device; 61. a first Hall outlet wire; 62. a female connector; 63. a male connector; 64. a second Hall outgoing line; 7. a lead tube.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example (b):

a hub inner rotor motor clamping base stepping frequency Hall outgoing line structure is disclosed, referring to fig. 1-4, and comprises a left half shaft 2, a middle shaft 3 and a right half shaft 1 which are sequentially arranged along the axial direction, wherein the inner end of the left half shaft 2 is provided with a stator outgoing line end cover 4, the left half shaft 2 is provided with a line outlet hole 21, and the right half shaft 1 is provided with a clamping base outer ring 5 in a rolling supporting manner; the rest structures of the rotor motor in the hub belong to the prior art, and are not described herein; in the embodiment, a magnetic ring 52 is arranged in the outer ring 5 of the card base, a Hall 6 opposite to the magnetic ring 52 is arranged on the right half shaft 1, and the Hall 6 is connected with a Hall outgoing line; specifically, the inner side wall of the outer ring 5 of the card base is provided with a magnetic ring support 51 matched with the magnetic ring 52, so that the magnetic ring 52 is convenient to mount; the Hall 6 is matched with the magnetic ring 52, so that the function of frequency stepping Hall induction of the card base can be realized; in the embodiment, a lead channel is arranged in the right half shaft 1, a lead pipe 7 penetrating through the middle shaft 3 is arranged between the right half shaft and the stator outlet end cover 4, and a lead through hole 41 communicated with the outlet hole 21 is formed in the stator outlet end cover 4; one end of the lead tube 7 is communicated with the lead channel, and the other end is communicated with the lead perforation 41; the lead channel, the lead tube 7 and the lead through hole 41 form an internal wiring channel matched with the Hall lead wire; adopt inside to walk the line passageway, can avoid the interference of core structure for hall lead-out wire can walk line to wire hole 21 department, then is connected to the motor lead wire together with the lead wire of stator, realizes the purpose of being connected through motor lead wire and controller circuit board, thereby can with hall signal transmission to controller circuit board on, effectively realize the controller with step on the matching of signal frequently, solve electric bicycle's the hidden danger problem of stepping out.

Referring to fig. 1 to 4, in the present embodiment, a through hole 31 is formed in the middle shaft 3 to be matched with the lead tube 7, and an inner side wall of the through hole 31 is in clearance fit with an outer side wall of the lead tube 7, so that contact friction between the lead tube 7 and the middle shaft 3 can be avoided; the lead tube 7 is adopted, so that the Hall outgoing line can be conveniently threaded and arranged, and the contact friction between the Hall outgoing line and the middle shaft 3 can be avoided; preferably, the axis of the feed-through 7 coincides with the axis of the bottom bracket shaft 3, i.e. the feed-through 7 and the bottom bracket shaft 3 are arranged coaxially, so that the inner diameter of the through hole 31 can be optimized; preferably, the lead tube 7 in this embodiment is a thin-walled steel tube; specifically, the lead channel in this embodiment includes a first lead channel 12 and a second lead channel 13, an opening of the second lead channel 13 is located on the inner end surface of the right axle shaft 1, and an end of the lead tube 7 is embedded in the second lead channel 13, that is, an axis of the second lead channel 13 in this embodiment coincides with an axis of the lead tube 7; in this embodiment, one end of the lead through hole 41 is provided with an inner spigot matched with the lead tube 7, and the second lead channel 13 is matched with the inner spigot to fix the lead tube 7; a positioning groove 11 communicated with a first lead channel 12 is formed in the right half shaft 1, and the Hall 6 is arranged in the positioning groove 11, so that the radial size can be optimized, and the Hall 6 can be conveniently installed; in the embodiment, the axis of the first lead channel 12 and the axis of the second lead channel 13 form an included angle; preferably, in the present embodiment, an adhesive is disposed in the positioning groove 11 and the first lead channel 12, specifically, the adhesive is glue, and the hall 6 and the hall outgoing line are fixed by the glue.

Referring to fig. 1 to 4, preferably, the hall outlet in this embodiment includes a first hall outlet 61 and a second hall outlet 64, the first hall outlet 61 and the second hall outlet 64 are connected by a connector, and the first hall outlet 61 is connected to the hall 6, so that the assembly is facilitated; specifically, the connectors are located in the first lead passage 12, and include a female connector 62 connected to the first hall lead 61, and a male connector 63 connected to the second hall lead 64.

Claims

1. A base-stepping frequency Hall outgoing line structure of an in-wheel hub inner rotor motor comprises a left half shaft, a middle shaft and a right half shaft which are sequentially arranged along an axial direction, wherein a stator outgoing line end cover is arranged at the inner end of the left half shaft, a line outlet hole is formed in the left half shaft, and a base outer ring is supported on the right half shaft in a rolling manner;

the method is characterized in that:

a lead channel is arranged in the right half shaft, a lead pipe penetrating through the middle shaft is arranged between the right half shaft and the stator outlet end cover, and a lead perforation communicated with the lead hole is formed in the stator outlet end cover; one end of the lead tube is communicated with the lead channel, and the other end of the lead tube is communicated with the lead perforation;

2. The in-wheel inner rotor motor card fundamental-frequency Hall lead-out structure of claim 1, characterized in that: the middle shaft is internally provided with a through hole matched with the lead tube, and the inner side wall of the through hole is in clearance fit with the outer side wall of the lead tube.

3. The in-wheel inner rotor motor card fundamental-frequency Hall lead-out structure of claim 2, characterized in that: the axis of the lead tube is coincident with the axis of the middle shaft.

4. The in-wheel inner rotor motor card fundamental step frequency hall outgoing line structure of claim 1, wherein: the lead channel comprises a first lead channel and a second lead channel, the opening of the second lead channel is located on the inner end face of the right half shaft, and the end portion of the lead pipe is embedded in the second lead channel.

5. The in-wheel inner rotor motor card fundamental step frequency Hall lead-out structure of claim 4, characterized in that: and the right half shaft is provided with a positioning groove communicated with the first lead channel, and the Hall is arranged in the positioning groove.

6. The in-wheel inner rotor motor card fundamental step frequency Hall lead-out structure of claim 5, characterized in that: and adhesives are arranged in the positioning groove and the first lead channel.

7. The in-wheel inner rotor motor card fundamental step frequency Hall lead-out structure of claim 4, characterized in that: the Hall outgoing line comprises a first Hall outgoing line and a second Hall outgoing line, the first Hall outgoing line and the second Hall outgoing line are connected through a connector, and the first Hall outgoing line is connected with the Hall.

8. The in-wheel inner rotor motor card fundamental step frequency hall outgoing line structure of claim 7, wherein: the connector is located in the first lead channel, and the connector comprises a female connector connected with the first Hall outgoing line and a male connector connected with the second Hall outgoing line.

9. The in-wheel inner rotor motor card fundamental step frequency hall outgoing line structure of claim 1, wherein: one end of the lead perforation is provided with an inner spigot matched with the lead pipe.

10. The in-wheel inner rotor motor card fundamental step frequency hall outgoing line structure of claim 1, wherein: and a magnetic ring support matched with the magnetic ring is arranged on the inner side wall of the outer ring of the clamp base.