CN105024493A - Motor shaft of electric motor for electromobile - Google Patents
Motor shaft of electric motor for electromobile Download PDFInfo
- Publication number
- CN105024493A CN105024493A CN201510470921.9A CN201510470921A CN105024493A CN 105024493 A CN105024493 A CN 105024493A CN 201510470921 A CN201510470921 A CN 201510470921A CN 105024493 A CN105024493 A CN 105024493A
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- Prior art keywords
- motor shaft
- motor
- stator
- electric vehicle
- electric
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The invention discloses a motor shaft of an electric motor for an electromobile. The motor shaft comprises a first wire through hole and a second wire through hole for a Hall module connection wire, wherein the first wire through hole and the second wire through hole form a wire through channel, the wire through channel is in a bent shape, and an included angle is formed between a connection line between the first wire through hole and the second wire through hole and the axis of the electric motor. By the motor shaft, the occasion that the Hall module connection wire is damaged due to high force applied to the wire through channel in the traditional wire through structure coaxial to the axis of the electric motor is avoided, and the service life of a stator module is greatly ensured.
Description
Technical field
The invention belongs to electric motor car and manufacture field, be specifically related to a kind of motor shaft of electric motor for electric vehicle.
Background technology
The motor routine of current electric motor car adopts DC brushless motor, comprise the stator module connected as one with motor shaft, connect as one with electric vehicle hub, be connected and the coaxial outer rotor component exported with described stator module magnetic coupling, can be arranged on front end housing and the rear end cap at described motor shaft two ends with the relative rotation by installing bearing, described front end housing and rear end cap are fixedly connected with described outer rotor component both sides respectively.Patented technology more and more about DC brushless motor is open, is mainly used in energy consumption and the correlated performance of the electric vehicle motor improved, but its correlation technique manufactured is less.
Manufacture the processing of the manufacture for many years experience in field at motor based on the applicant inventor, find that motor exists in operations such as parts turnover, assemblings inconvenient, the problems such as efficiency is low, therefore, are necessary to make improvements.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of motor shaft of electric motor for electric vehicle, effectively prevent traditional threading structure coaxial with electrical axis due to threading passage stressed comparatively large and cause Hall subassembly to be connected the impaired situation of electric wire occurring, greatly ensure that the useful life of stator module.
The technical solution used in the present invention is as follows:
A kind of motor shaft of electric motor for electric vehicle, described electric motor for electric vehicle is DC Brushless Motor, comprise stator module, motor shaft, connect as one with electric vehicle hub, be connected and the coaxial outer rotor component exported with described stator module magnetic coupling, can be arranged on front end housing and the rear end cap at described motor shaft two ends with the relative rotation by installing bearing, described front end housing and rear end cap are fixedly connected with described outer rotor component both sides respectively, wherein
Described stator module and motor shaft connect as one;
Described motor shaft comprises the first threading opening and the second threading opening that connect electric wire for Hall subassembly, the first described threading opening and the second threading opening composition threading passage, described threading passage is bending, and forms angle between connecting line between the first described threading opening and the second threading opening and described electrical axis.
Preferably, described angular range is 10-30 degree.
Preferably, described angular range is 11-14 degree.
Preferably, the first described threading opening and the second described threading opening lay respectively at center and one end of described motor shaft.
Preferably, the stator core that described stator module is overrided to form by several stator punchings, described stator core has 48 slot for windings, be positioned at the stator winding of slot for winding, and the Hall subassembly for being electrically connected with controller for electric vehicle, described stator core is fixedly connected with described motor shaft by stator frame, and described motor shaft central part is provided with annular knurl, and described motor shaft is connected with described stator frame interference fit by annular knurl.
Preferably, described stator frame comprises the stator support body and fixed sleeving that are welded as a whole, and described annular knurl is connected with described fixed sleeving interference fit.
The present invention is by proposing a kind of motor shaft of electric motor for electric vehicle, adopting the threading passage of bending to substantially reduce Hall subassembly connection electric wire obtains stressed when threading, effectively prevent so traditional threading structure coaxial with electrical axis due to threading passage stressed comparatively large and cause Hall subassembly to be connected the impaired situation of electric wire occurring, greatly ensure that the useful life of stator module.
Accompanying drawing explanation
Accompanying drawing 1 is the cutaway view of motor under the specific embodiment of the invention;
Accompanying drawing 2 is Facad structure schematic diagrames of motor shaft under the specific embodiment of the invention;
Accompanying drawing 3 is structure schematic diagrames of motor shaft under the specific embodiment of the invention;
Accompanying drawing 4 is cut-away section structural representations of motor shaft under the specific embodiment of the invention;
Accompanying drawing 5 is structural representations of stator module under the specific embodiment of the invention;
Accompanying drawing 6 is cutaway views of accompanying drawing 5;
Accompanying drawing 7 is A place structure enlarged diagrams in accompanying drawing 6;
Accompanying drawing 8 is cutaway views of specific embodiment of the invention lower rotor part assembly;
Accompanying drawing 9 is tote cart structural representations of stator module under the specific embodiment of the invention;
Accompanying drawing 10 is tote cart structural representations of motor under the specific embodiment of the invention;
Accompanying drawing 11 is tote cart structural representations in a state of use of motor under the specific embodiment of the invention.
Embodiment
The embodiment of the invention discloses a kind of motor shaft of electric motor for electric vehicle, electric motor for electric vehicle is DC Brushless Motor, comprise stator module, motor shaft, connect as one with electric vehicle hub, be connected with stator module magnetic coupling and the coaxial outer rotor component exported, can be arranged on front end housing and the rear end cap at motor shaft two ends with the relative rotation by installing bearing, front end housing and rear end cap are fixedly connected with outer rotor component both sides respectively, wherein, stator module and motor shaft connect as one; Motor shaft comprises the first threading opening and the second threading opening that connect electric wire for Hall subassembly, first threading opening and the second threading opening composition threading passage, threading passage is bending, and forms angle between connecting line between the first threading opening and the second threading opening and electrical axis.
The embodiment of the present invention is by proposing a kind of motor shaft of electric motor for electric vehicle, adopting the threading passage of bending to substantially reduce Hall subassembly connection electric wire obtains stressed when threading, effectively prevent so traditional threading structure coaxial with electrical axis due to threading passage stressed comparatively large and cause Hall subassembly to be connected the impaired situation of electric wire occurring, greatly ensure that the useful life of stator module.
Technical scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Electric motor for electric vehicle shown in Figure 1, for DC Brushless Motor 1, comprise the stator module 20 connected as one with motor shaft 10, connect as one with electric vehicle hub 30, be connected with stator module 20 magnetic coupling and the coaxial outer rotor component 40 exported, front end housing 50 and the rear end cap 60 at motor shaft 10 two ends can be arranged on the relative rotation by installing bearing (scheming unmarked), front end housing 50 and rear end cap 60 are fixedly connected with outer rotor component 40 both sides respectively, wherein
Refer to Fig. 2, Fig. 3 and Fig. 4, motor shaft 10 comprises the first threading opening 11 and the second threading opening 12 connecting electric wire for Hall subassembly, first threading opening 11 and the second threading opening 12 form threading passage 13, threading passage 13 is in bending, and form angle between connecting line between the first threading opening 11 and the second threading opening 12 and electrical axis, angular range is 10-30 degree, preferred angular range is 11-14 degree, in the present embodiment, angle is 13.6 degree, first threading opening 11 and the second threading opening 12 lay respectively at center and one end of motor shaft 10, the threading passage of bending substantially reduces Hall subassembly connection electric wire and obtains when threading stressed, effectively prevent so traditional threading structure coaxial with electrical axis due to threading passage stressed comparatively large and cause Hall subassembly to be connected the impaired situation of electric wire occurring, greatly ensure that the useful life of stator module 10.
Refer to shown in Fig. 5, Fig. 6 and Fig. 7, stator module 20 comprises the stator core 21 be overrided to form by several stator punchings, stator core 21 has 48 slot for windings 22, be positioned at the stator winding (scheming not shown) of slot for winding 22, and the Hall subassembly (scheming not shown) for being electrically connected with controller for electric vehicle, stator core 21 is fixedly connected with motor shaft 10 by stator frame, stator frame comprises the stator support body 25 and fixed sleeving 26 that are welded as a whole, and motor shaft 10 central part is provided with annular knurl 14, and annular knurl 14 is connected with fixed sleeving 26 interference fit, wherein, stator punching comprises 48 punching grooves (being equal to slot for winding 22), and its upper surface and lower surface are provided with positioning pit respectively coaxially, the external diametrical extent of stator punching is 190-220mm, the depth bounds of positioning pit is 1-3mm, specifically preferentially, the external diametrical extent of stator punching is 200mm, the depth bounds of positioning pit is 1.8mm, the positioning pit 23 that the positioning pit 23 of stator punching is adjacent stator punching is connected together, the positioning pit 23 that the positioning pit 23 of stator punching is adjacent stator punching is connected together, the present invention adopts the design be mutually connected together of positioning pit 23 effectively to ensure that the axiality of some stator punchings, what thus ensure that stator core laminates quality, finally realize the fixing air gap of stator core 21 and outer rotor component 40, therefore motor 1 can run well.
Shown in Figure 8, rotor assembly 40 comprises some permanent-magnet steels (scheming not shown) that magnet yoke ring 42 and fixed intervals are arranged on magnet yoke ring medial surface, front end housing 50 and rear end cap 60 are fixed on magnet yoke ring 42 respectively by screw, and magnet yoke ring 42 and electric vehicle hub 30 connect as one.
Shown in Figure 9, the invention allows for the tote cart of electric motor for electric vehicle stator module 10 described above, stator module 10 is had enough to meet the need by tote cart, wherein, tote cart comprises chassis 71, first support 72, second support 73 and 4 universal wheels 74, natch, in other embodiments, also the universal wheel 74 of greater number can be adopted, first support 72 top is fixedly connected with the second support 73 top, be separately positioned on both sides, chassis 71 in 60-80 degree bottom it, universal wheel 74 is fixedly installed on chassis 71, chassis 71 realizes motion on the ground by universal wheel 74, wherein, first support 72 and the second support 73 are respectively equipped with several for hanging all rotating shafts of stator module, turnover between centers is every being equally arranged on the first support 72 and the second support 73, particularly, in this embodiment, week rotating shaft comprises high all rotating shafts 75 and low all rotating shafts 76, high all rotating shafts 75 are distributed on the first support 72 and the second support 73 with low all rotating shafts 76 in adjacent shape, wherein, the length of high all rotating shafts 75 is greater than the length of low all rotating shafts 76, the external diametrical extent of stator module 10 is 190-220mm, the altitude range of the first support 72 and the second support 73 is 1000-1500mm, high all rotating shafts 75 are 85-95mm with the spacing range of low all rotating shafts 76, and the length of high all rotating shafts 75 is 1.8-2 times of the length of low all rotating shafts 76, angle between first support 72 and chassis 71 is 75 degree, and the angle between the second support 73 and chassis 71 is 75 degree,
The turnover method of the tote cart of electric motor for electric vehicle stator module as above, wherein, goes to step and comprises in its week:
(A), the axis hole of several complete for assembling stator modules 10 is inserted in all rotating shafts respectively;
(B), by the artificial universal wheel 86 that promotes move stator module 19, realize stator module 10 to be transported to subsequent processing position;
(C), from the stator module 10 that all rotating shafts are taken off;
(D), by manual promote universal wheel 86 and move tote cart, tote cart is transported to a upper procedure position;
(E), repeat step (A), (B), (C), (D), realize the turnover of stator module 10.
Because the external diameter value of electric motor for electric vehicle stator module is wide, and Heavy Weight, according to the turnover mode of traditional turnover frame, all transfer efficients are low, the tote cart of the motor stator sub-component 10 that the present invention proposes is by arranging high all rotating shafts 75 and low all rotating shafts 76, high all rotating shafts 75 are distributed on the first support 72 and the second support 73 with low all rotating shafts 76 in adjacent shape, such tote cart once can transport the stator module 10 of a greater number, thus all transfer efficients of motor stator sub-component 10 are substantially increased, greatly reduce the turnaround time of motor stator sub-component 10, thus the manufacture efficiency of electric motor car is improved, and the tote cart structure of the stator module 10 of the present invention's proposition is simple, manufacturing cost, be suitable for very much electric motor for electric vehicle manufacturing enterprise to apply.
Refer to shown in Figure 10 and Figure 11, the invention allows for the tote cart of electric motor for electric vehicle 1 described above, motor 1 is had enough to meet the need by tote cart, wherein, tote cart comprises chassis 81, first support 82, second support 83 and 4 universal wheels 86, natch, in other embodiments, also the universal wheel 86 of greater number can be adopted, first support 82 and the second support 83 are connected with both sides, chassis 81 are vertical respectively, and be fixedly connected with by link 85 body between its top, universal wheel 86 is fixedly installed on chassis 81, chassis 81 realizes motion on the ground by universal wheel 86, wherein, first support 82 and the second support 83 are respectively equipped with several for hanging the turnover latch hook unit 84 of stator module, and the level adjacent turnover latch hook unit 84a such as every 2, 84b forms the turnover rack of motor 1, turnover rack is parallel shape distribution, the external diametrical extent of motor 1 is 220-250mm, and the altitude range of the first support 82 and the second support 83 is 1000-1500mm, tote cart also comprises bracket 87, bracket 87 shape triangular in shape, and can 90 degree rotatably peace turn in the front end on chassis 81.
Because the external diameter value of electric motor for electric vehicle 1 is usually wider, and Heavy Weight, according to the turnover mode of traditional turnover frame, all transfer efficients are low, the tote cart of the electric motor for electric vehicle 1 that the present invention proposes is by arranging turnover latch hook unit 84, and the level adjacent turnover latch hook unit 84a such as every 2, 84b forms the turnover rack of motor 1, such tote cart once can transport the electric motor for electric vehicle 1 of a greater number, thus all transfer efficients of electric motor for electric vehicle 1 are substantially increased, greatly reduce the turnaround time of electric motor for electric vehicle 1, thus the manufacture efficiency of electric motor car is improved, and the tote cart structure of the electric motor for electric vehicle 1 of the present invention's proposition is simple, manufacturing cost, be suitable for very much electric motor for electric vehicle manufacturing enterprise to apply.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (6)
1. the motor shaft of an electric motor for electric vehicle, described electric motor for electric vehicle is DC Brushless Motor, comprise stator module, motor shaft, connect as one with electric vehicle hub, be connected and the coaxial outer rotor component exported with described stator module magnetic coupling, can be arranged on front end housing and the rear end cap at described motor shaft two ends with the relative rotation by installing bearing, described front end housing and rear end cap are fixedly connected with described outer rotor component both sides respectively, it is characterized in that
Described stator module and motor shaft connect as one;
Described motor shaft comprises the first threading opening and the second threading opening that connect electric wire for Hall subassembly, the first described threading opening and the second threading opening composition threading passage, described threading passage is bending, and forms angle between connecting line between the first described threading opening and the second threading opening and described electrical axis.
2. the motor shaft of electric motor for electric vehicle as claimed in claim 1, it is characterized in that, described angular range is 10-30 degree.
3. the motor shaft of electric motor for electric vehicle as claimed in claim 2, it is characterized in that, described angular range is 11-14 degree.
4. the motor shaft of electric motor for electric vehicle as claimed in claim 1, it is characterized in that, the first described threading opening and the second described threading opening lay respectively at center and one end of described motor shaft.
5. the motor shaft of electric motor for electric vehicle as claimed in claim 1, it is characterized in that, the stator core that described stator module is overrided to form by several stator punchings, described stator core has 48 slot for windings, be positioned at the stator winding of slot for winding, and the Hall subassembly for being electrically connected with controller for electric vehicle, described stator core is fixedly connected with described motor shaft by stator frame, described motor shaft central part is provided with annular knurl, and described motor shaft is connected with described stator frame interference fit by annular knurl.
6. the motor shaft of electric motor for electric vehicle as claimed in claim 5, it is characterized in that, described stator frame comprises the stator support body and fixed sleeving that are welded as a whole, and described annular knurl is connected with described fixed sleeving interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510470921.9A CN105024493A (en) | 2015-07-29 | 2015-07-29 | Motor shaft of electric motor for electromobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510470921.9A CN105024493A (en) | 2015-07-29 | 2015-07-29 | Motor shaft of electric motor for electromobile |
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| Publication Number | Publication Date |
|---|---|
| CN105024493A true CN105024493A (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510470921.9A Pending CN105024493A (en) | 2015-07-29 | 2015-07-29 | Motor shaft of electric motor for electromobile |
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| Country | Link |
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| CN (1) | CN105024493A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199538A (en) * | 2018-01-31 | 2018-06-22 | 东昌电机(深圳)有限公司 | A kind of servo wheel hub motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6300739B1 (en) * | 1999-12-06 | 2001-10-09 | Hr Textron Inc. | Low cost limited angle torque DC brushless servomotor and method for fabricating thereof |
| CN101877524A (en) * | 2009-04-30 | 2010-11-03 | 浙江关西电机有限公司 | Integrated hub motor and control method thereof |
| CN203722349U (en) * | 2014-03-06 | 2014-07-16 | 无锡赛盈电机科技有限公司 | Iron plate wheel motor |
| CN204810071U (en) * | 2015-07-29 | 2015-11-25 | 无锡赛盈电机科技有限公司 | Motor shaft of motor for electric motor car |
-
2015
- 2015-07-29 CN CN201510470921.9A patent/CN105024493A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6300739B1 (en) * | 1999-12-06 | 2001-10-09 | Hr Textron Inc. | Low cost limited angle torque DC brushless servomotor and method for fabricating thereof |
| CN101877524A (en) * | 2009-04-30 | 2010-11-03 | 浙江关西电机有限公司 | Integrated hub motor and control method thereof |
| CN203722349U (en) * | 2014-03-06 | 2014-07-16 | 无锡赛盈电机科技有限公司 | Iron plate wheel motor |
| CN204810071U (en) * | 2015-07-29 | 2015-11-25 | 无锡赛盈电机科技有限公司 | Motor shaft of motor for electric motor car |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199538A (en) * | 2018-01-31 | 2018-06-22 | 东昌电机(深圳)有限公司 | A kind of servo wheel hub motor |
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Application publication date: 20151104 |