CN202178638U - Hub motor - Google Patents
Hub motor Download PDFInfo
- Publication number
- CN202178638U CN202178638U CN2011202688751U CN201120268875U CN202178638U CN 202178638 U CN202178638 U CN 202178638U CN 2011202688751 U CN2011202688751 U CN 2011202688751U CN 201120268875 U CN201120268875 U CN 201120268875U CN 202178638 U CN202178638 U CN 202178638U
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- CN
- China
- Prior art keywords
- hub motor
- wheel hub
- casing
- via hole
- lead
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides a hub motor, which comprises a shell, a lead, and a rotating shaft and a stator which are arranged in the shell; the hub motor also comprises a shaft sleeve fixedly arranged on the rotating shaft; the shaft sleeve is provided with a through hole; and one end of the lead is connected with the stator, the other end of the lead is positioned outside the shell, and the lead passes through the through hole. According to the hub motor, the lead can be conveniently led out, and the strength of the rotating shaft is not affected.
Description
Technical field
The utility model relates to a kind of wheel hub motor.
Background technology
Along with the development of society, the application of wheel hub motor in industry now more and more widely.In the wheel hub motor, in order to draw lead outside motor from stator, normally perforate or groove in the rotating shaft of motor are drawn lead through said hole or groove.But behind perforate or the groove, the intensity of rotating shaft has reduced in the rotating shaft, is unfavorable for the normal use of wheel hub motor, if will increase the intensity of rotating shaft, then will increase the volume of rotating shaft, but can cause the increase of motor volume and the increase of cost like this.
The utility model content
The utility model provides a kind of wheel hub motor for solving the problem that intensity reduces behind perforate in the above-mentioned rotating shaft or the groove, and this wheel hub motor can be drawn lead easily, and does not influence the intensity of rotating shaft.
The wheel hub motor of the utility model; Comprise: casing, lead, be installed in rotating shaft and stator in the casing, wherein, said wheel hub motor also comprises the axle sleeve that is fixedly mounted in the rotating shaft; Said axle sleeve is provided with via hole; One end of said lead links to each other with stator, and the other end of said lead is positioned at outside the casing, and said lead passes from via hole.
Further, said lead is two or three, and the quantity of said via hole equates that with the quantity of lead each lead passes respectively from the via hole of a correspondence.
Further, said rotating shaft and axle sleeve are weldingly connected.
Further; Said wheel hub motor comprises that also sealing is installed in the insulated enclosure cover on the via hole; Said lead comprises the inside conductor outer conductor outer with being positioned at casing that is positioned at casing, and an end of inside conductor links to each other with stator, and the other end of inside conductor is provided with female binding post; Said female binding post sealing is installed in the insulated enclosure cover; One end of said outer conductor is positioned at outside the casing, and the other end of said outer conductor is provided with the public access line terminals, and said public access line terminals is inserted in female binding post and with female binding post and contacts.
Further; Said via hole is a circular hole, and said wheel hub motor also comprises first sealing ring, and said first sealing ring is set in insulated enclosure and puts and be positioned at via hole; First sealing ring contacts with the inwall and the extruding of insulated enclosure cover of via hole, and female binding post contacts with the extruding of insulated enclosure cover.
Further, said first sealing ring is O shape circle, and said first sealing ring has two, two first sealing rings axially being set up in parallel along via hole.
Further, insulated enclosure puts and is provided with two annular grooves arranged side by side, and two first sealing rings are installed in respectively in two annular grooves.
Further, said axle sleeve is two, two axle sleeves axially being set up in parallel along rotating shaft; Said wheel hub motor also comprises two bearings that are used for supporting revolving shaft; Each bearing is installed in respectively between casing and the axle sleeve, and the inner ring of bearing contacts with axle sleeve, and the outer ring of bearing contacts with casing.
Further; Said axle sleeve comprises the circular base board and around the interior installation portion of circular base board, said circular base board is set in the rotating shaft and with rotating shaft and is fixedly connected, and said via hole is positioned on the circular base board; Be provided with in the said casing two annulars and respectively with two outer installation portions that interior installation portion is corresponding; Each bearing is installed in respectively between the outer installation portion of an interior installation portion and correspondence, and the inner ring of bearing contacts with interior installation portion, and the outer ring of bearing contacts with outer installation portion.
Further, said casing comprises inner casing, middle case and shell, and middle case is fixedly connected between inner casing and the middle case between inner casing and shell, is fixedly connected between middle case and the shell, and two outer installation portions are positioned at respectively on inner casing and the shell.
The beneficial effect of the utility model is: owing to be provided with axle sleeve, axle sleeve is provided with via hole, and lead passes from via hole, therefore not be used in and offers hole or groove in the rotating shaft, can not reduce the intensity of rotating shaft.
Description of drawings
Fig. 1 be a kind of execution mode of the utility model wheel hub motor partly cut open structural representation;
Fig. 2 is the enlarged diagram at A place among Fig. 1;
Fig. 3 is the structural representation of a kind of execution mode bottom bracket axle of the utility model;
Fig. 4 is the structural representation of insulated enclosure cover in a kind of execution mode of the utility model.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with accompanying drawing and execution mode, the utility model is further elaborated.Should be appreciated that embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Like Fig. 1-shown in Figure 4, the wheel hub motor of a kind of execution mode of the utility model comprises: casing, lead, be installed in rotating shaft 2 and stator 3 in the casing; Wherein, Said wheel hub motor also comprises the axle sleeve 4 that is fixedly mounted in the rotating shaft 2, and said axle sleeve 4 is provided with via hole 401, and an end of said lead links to each other with stator 3; The other end of said lead is positioned at outside the casing, and said lead passes from via hole 401.
Said lead is two or three, and the quantity of said via hole 401 equates that with the quantity of lead each lead passes respectively from the via hole 401 of a correspondence.General direct current machine is two lines; Three phase alternating current motor is three lines, and promptly the wheel hub motor of this execution mode can be a direct current machine, also can be three phase alternating current motor; Each via hole 401 circumferentially evenly distributes along rotating shaft 2, on the same circle that is centered close to twisted rotary shaft 2 of each via hole 401.Certainly, also a via hole 401 can only be set, all leads all pass from a via hole 401.
Can adopt various feasible modes to be fixedly connected between said rotating shaft 2 and the axle sleeve 4, preferably, rotating shaft 2 is weldingly connected with axle sleeve 4.
Said wheel hub motor comprises that also sealing is installed in the insulated enclosure cover 5 on the via hole 401; Said lead comprises inside conductor 601 outer conductor 602 outer with being positioned at casing that is positioned at casing; One end of inside conductor 601 links to each other with stator 3; The other end of inside conductor 601 is provided with female binding post 603, and said female binding post 603 sealings are installed in the insulated enclosure cover 5, and an end of said outer conductor 602 is positioned at outside the casing; The other end of said outer conductor 602 is provided with public access line terminals 604, and said public access line terminals 604 is inserted in female binding post 603 and with female binding post 603 and contacts.
Through lead being divided into inside conductor 601 and outer conductor 602, interior outer conductor links to each other at via hole 401 places through public female binding post, has made things convenient for stator 3 and outside being electrically connected.In addition; Female binding post 603 is installed in the insulated enclosure cover 5; Insulated enclosure cover 5 has good sealing; Between via hole 401 and the insulated enclosure cover 5 and between insulated enclosure cover 5 and the female binding post 603 good sealing is arranged all, therefore outside water or other liquid can not flow in the wheel hub motor from via hole 401, so this wheel hub motor has good sealing.Insulated enclosure cover 5 can be selected various certain flexible insulating material manufacturings that have for use.
Said via hole 401 is a circular hole; Said wheel hub motor also comprises first sealing ring 7; Said first sealing ring 7 is set on the insulated enclosure cover 5 and is positioned at via hole 401; First sealing ring 7 contacts with the inwall and 5 extruding of insulated enclosure cover of via hole 401, and female binding post 603 contacts with 5 extruding of insulated enclosure cover.Through first sealing ring 7 is set, further strengthened the sealing between via hole 401 and the insulated enclosure cover 5.Preferably, said first sealing ring 7 is O shape circle, and said first sealing ring 7 has two, two first sealing rings 7 axially being set up in parallel along via hole 401.In order to make the location of first sealing ring 7 on insulated enclosure cover 5 more firm, insulated enclosure cover 5 is provided with 501, two first sealing rings 7 of two annular grooves and is installed in respectively in two annular grooves 501.
Said axle sleeve 4 is two; Two axle sleeves 4 axially are set up in parallel along rotating shaft 2, and said wheel hub motor also comprises two bearings 8 that are used for supporting revolving shaft 2, and each bearing 8 is installed between casing and the axle sleeve 4; The inner ring of bearing 8 contacts with axle sleeve 4, and the outer ring of bearing 8 contacts with casing.
Said axle sleeve 4 comprises circular base board 402 and around the interior installation portion 403 of circular base board 402; Said circular base board 402 is set in the rotating shaft 2 and with rotating shaft 2 and is weldingly connected; Said via hole 401 is positioned on the circular base board 402; Be provided with in the said casing two annulars and corresponding with two interior installation portions 403 respectively outer installation portion 104; Each bearing 8 is installed in respectively between the outer installation portion 104 of an interior installation portion 403 and correspondence, and the inner ring of bearing 8 contacts with interior installation portion 403, and the outer ring of bearing 8 contacts with outer installation portion 104.
For easy for installation; Said casing is divided into inner casing 101, middle case 102 and shell 103; Middle case 102 is between inner casing 101 and shell 103; Be fixedly connected through screw bolt and nut between inner casing 101 and the middle case 102, be fixedly connected through screw bolt and nut between middle case 102 and the shell 103, two outer installation portions 104 lay respectively on inner casing 101 and the shell 103.Inner casing 101 is provided with centre bore, and rotating shaft 2 passes from said centre bore, and an axle sleeve 4 also is positioned at central hole, and one second sealing ring 9 is arranged between the axle sleeve 4 of centre bore and central hole, and second sealing ring 9 contacts with interior installation portion 403 with centre bore respectively.For two bearings 8 can be lubricated; Need be in wheel hub motor apply oil, lubricating oil is added the space between centre bore and interior installation portion 403, lubricating oil add good after; Second sealing ring 9 is loaded onto; Prevent that lubricating oil from flowing out, in the process of this wheel hub motor running, lubricating oil also can play certain thermolysis.
The wheel hub motor of this execution mode also comprises rotor and other associated components, owing to the existing wheel hub motor of above-mentioned these parts also has, so repeats no more in this execution mode.
The above is merely the preferred embodiments of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (10)
1. wheel hub motor; Comprise: casing, lead, be installed in rotating shaft (2) and stator (3) in the casing, it is characterized in that said wheel hub motor also comprises the axle sleeve (4) that is fixedly mounted in the rotating shaft (2); Said axle sleeve (4) is provided with via hole (401); One end of said lead links to each other with stator (3), and the other end of said lead is positioned at outside the casing, and said lead passes from via hole (401).
2. wheel hub motor as claimed in claim 1 is characterized in that, said lead is two or three, and the quantity of said via hole (401) equates that with the quantity of lead each lead passes respectively from the via hole (401) of a correspondence.
3. wheel hub motor as claimed in claim 1 is characterized in that, said rotating shaft (2) is weldingly connected with axle sleeve (4).
4. wheel hub motor as claimed in claim 1; It is characterized in that; Said wheel hub motor comprises that also sealing is installed in the insulated enclosure cover (5) on the via hole (401); Said lead comprises the inside conductor (601) that is positioned at casing and is positioned at the outer outer conductor (602) of casing, and an end of inside conductor (601) links to each other with stator (3), and the other end of inside conductor (601) is provided with female binding post (603); Said female binding post (603) sealing is installed in the insulated enclosure cover (5); One end of said outer conductor (602) is positioned at outside the casing, and the other end of said outer conductor (602) is provided with public access line terminals (604), and said public access line terminals (604) is inserted in female binding post (603) and with female binding post (603) and contacts.
5. wheel hub motor as claimed in claim 4; It is characterized in that; Said via hole (401) is a circular hole, and said wheel hub motor also comprises first sealing ring (7), and said first sealing ring (7) is set on the insulated enclosure cover (5) and is positioned at via hole (401); First sealing ring (7) contacts with the inwall and insulated enclosure cover (5) extruding of via hole (401), and female binding post (603) contacts with insulated enclosure cover (5) extruding.
6. wheel hub motor as claimed in claim 5 is characterized in that, said first sealing ring (7) is O shape circle, and said first sealing ring (7) has two, two first sealing rings (7) axially being set up in parallel along via hole (401).
7. wheel hub motor as claimed in claim 6 is characterized in that, insulated enclosure cover (5) is provided with two annular grooves arranged side by side (501), and two first sealing rings (7) are installed in respectively in two annular grooves (501).
8. wheel hub motor as claimed in claim 1; It is characterized in that said axle sleeve (4) is two, two axle sleeves (4) axially being set up in parallel along rotating shaft (2); Said wheel hub motor also comprises two bearings (8) that are used for supporting revolving shaft (2); Each bearing (8) is installed in respectively between a casing and the axle sleeve (4), and the inner ring of bearing (8) contacts with axle sleeve (4), and the outer ring of bearing (8) contacts with casing.
9. wheel hub motor as claimed in claim 8; It is characterized in that; Said axle sleeve (4) comprises circular base board (402) and around the interior installation portion (403) of circular base board (402), said circular base board (402) is set in rotating shaft (2) and goes up and be fixedly connected with rotating shaft (2), and said via hole (401) is positioned on the circular base board (402); Be provided with two annulars in the said casing and corresponding with two interior installation portions (403) respectively outer installation portion (104); Each bearing (8) is installed in respectively between the outer installation portion (104) of an interior installation portion (403) and correspondence, and the inner ring of bearing (8) contacts with interior installation portion (403), and the outer ring of bearing (8) contacts with outer installation portion (104).
10. wheel hub motor as claimed in claim 9; It is characterized in that; Said casing comprises inner casing (101), middle case (102) and shell (103), and middle case (102) is positioned between inner casing (101) and the shell (103), is fixedly connected between inner casing (101) and the middle case (102); Be fixedly connected between middle case (102) and the shell (103), two outer installation portions (104) lay respectively on inner casing (101) and the shell (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202688751U CN202178638U (en) | 2011-07-27 | 2011-07-27 | Hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202688751U CN202178638U (en) | 2011-07-27 | 2011-07-27 | Hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202178638U true CN202178638U (en) | 2012-03-28 |
Family
ID=45868502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202688751U Expired - Lifetime CN202178638U (en) | 2011-07-27 | 2011-07-27 | Hub motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202178638U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020206916A1 (en) * | 2019-04-12 | 2020-10-15 | 温岭市九洲电机制造有限公司 | Wire outlet structure of electric vehicle hub motor |
-
2011
- 2011-07-27 CN CN2011202688751U patent/CN202178638U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020206916A1 (en) * | 2019-04-12 | 2020-10-15 | 温岭市九洲电机制造有限公司 | Wire outlet structure of electric vehicle hub motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120328 |