CN208608824U - A kind of hub motor - Google Patents
A kind of hub motor Download PDFInfo
- Publication number
- CN208608824U CN208608824U CN201821258084.9U CN201821258084U CN208608824U CN 208608824 U CN208608824 U CN 208608824U CN 201821258084 U CN201821258084 U CN 201821258084U CN 208608824 U CN208608824 U CN 208608824U
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- China
- Prior art keywords
- wheel hub
- end cap
- hub
- bearing block
- stator
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Abstract
The utility model belongs to hub motor technical field, in particular to a kind of hub motor, including hollow wheel hub, it is arranged with tire on wheel hub, stator and rotor are provided in wheel hub, the wheel hub side is fixedly installed the stamping forming end cap of iron plate, end cap by stator and rotor seal in the hub, end cap is stamped and formed out the sealing ring of annular close to the side of wheel hub, and sealing ring is pushed against hub periphery, and the purpose of the utility model is to provide a kind of good airproof performance and the high hub motors of structural strength.
Description
Technical field
The utility model belongs to hub motor technical field, in particular to a kind of hub motor.
Background technique
Hub motor technology is also referred to as wheel inner electric machine technology, its maximum feature is exactly by power device, transmission
Device and brake apparatus all integrate in wheel hub, be able to the mechanical part of electric vehicle is greatly simplified, due to wheel hub electricity
Machine has many advantages, such as that drive mechanism is simple, driving method is flexible, is used by many electric vehicle, but due to by power
Device is directly anchored in wheel hub, and wheel hub is closer with ground distance, and wheel hub needs higher leakproofness, and since power fills
Set, transmission device and brake apparatus are all integrated into wheel hub, need to start biggish cavity in wheel hub, the structure for influencing wheel hub is strong
Degree.
Summary of the invention
In order to overcome the defects of the prior art, the purpose of this utility model is to provide a kind of good airproof performance and structures
The high hub motor of intensity.
Purpose of the utility model is realized as follows:
A kind of hub motor is arranged with tire, is provided with stator and rotor in wheel hub including hollow wheel hub on wheel hub,
The wheel hub side is fixedly installed the stamping forming end cap of iron plate, and in the hub by stator and rotor seal, end cap leans on end cap
The side of nearly wheel hub is stamped and formed out the sealing ring of annular, and sealing ring is pushed against hub periphery.
The end cap has positioning region close to the also punch forming of the side of wheel hub, and positioning region is pushed against in wheel hub wall, sealing
Mounting groove is formed between circle and positioning region, wheel hub is fixed in mounting groove.
Even circumferential is provided with mounting hole on the end cap, and even circumferential is provided with the screw thread with mounting hole cooperation on wheel hub
Hole, and threaded hole number is the integral multiple of mounting hole number, fasteners through mounting holes simultaneously cooperate with threaded hole.
It is provided with the bearing block to protrusion on the outside of wheel hub in the middle part of the end cap, is provided with bearing, bearing block bottom in bearing block
Portion is provided with the step surface for pushing against bearing outer ring, is provided with the through-hole passed through for stator shaft in bearing block.
The bearing block outer ring is provided with the groove being recessed into wheel hub, and bearing seat is in bottom portion of groove.
Compared with the prior art, the utility model has prominent and beneficial technical effects that:
1, wheel hub side described in the utility model is fixedly installed the stamping forming end cap of iron plate, and iron plate intensity is high, saves
Production cost, and high production efficiency, in the hub by stator and rotor seal, end cap is stamped and formed out end cap close to the side of wheel hub
Annular sealing ring, sealing ring is pushed against hub periphery, and tire is arranged on wheel hub, by the sealing of tire avoid sundries into
Enter in wheel hub, structure simple seal effect is good.
2, close to the side of wheel hub, also punch forming has positioning region to end cap described in the utility model, and positioning region is pushed against wheel hub
On inner wall, convenient for end cap installation positioning, reduces installation error, avoid leading to wheel hub rotor and stator not due to end cap installation error
Coaxially, the service life for influencing hub motor forms mounting groove between sealing ring and positioning region, wheel hub is fixed in mounting groove,
The structure and conducive to passing through leakproofness between end cap and two.
3, even circumferential is provided with mounting hole on end cap described in the utility model, and even circumferential is provided with and installs on wheel hub
The threaded hole of hole cooperation, and threaded hole number is the integral multiple of mounting hole number, fasteners through mounting holes are simultaneously matched with threaded hole
It closes, which is convenient for the Fast Installation of end cap, and after hub motor detachable maintaining, end cap can be turned an angle and two
A cooperation, avoiding dismantling because of end cap leads to positioning region concentrated wear, to influence the installation accuracy of end cap, is conducive to extend wheel hub
The service life of motor.
4, it is provided with the bearing block to protrusion on the outside of wheel hub in the middle part of end cap described in the utility model, is provided with axis in bearing block
It holds, bearing block bottom is provided with the step surface for pushing against bearing outer ring, it is provided with the through-hole passed through for stator shaft in bearing block,
Facilitate bearing to be fixedly mounted, and bearing inner race and end cap is avoided to generate friction, influences bearing normal rotation；The bearing block outer ring
Be provided with the groove being recessed into wheel hub, improve the structural strength of end cap, bearing seat in bottom portion of groove, make end cap two sides by
Dynamic balance extends the service life of end cap.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is the structural schematic diagram of wheel hub in the utility model；
Fig. 3 is the structural schematic diagram of end cap in the utility model；
Fig. 4 is the partial enlarged view in Fig. 3 at A；
Fig. 5 is the partial enlarged view in Fig. 3 at B.
Figure label meaning:
1- installation axle；2- wheel hub；3- end cap；4- bearing；5- rotor；6- stator；21- threaded hole；
22- locating slot；31- overlap；32- sealing ring；The positioning region 33-；34- mounting groove；35- groove；
36- bearing block；37- step surface；38- through-hole；39- mounting hole.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing:
As shown in Fig. 1 to Fig. 3, a kind of hub motor is provided with stator 6 and rotor in wheel hub 2 including hollow wheel hub 2
5, the installation axle 1 of hub motor is fixedly installed on stator 6,2 side of wheel hub is fixedly installed the stamping forming end of iron plate
Lid 3, the through-hole 38 passed through for 6 shaft of stator is provided on end cap 3, and the installation axle 1 of hub motor passes through the through-hole on end cap 3
It 38 and is fixedly connected with stator 6, stator 6 and rotor 5 are sealed in wheel hub 2 by end cap 3, side punching press of the end cap 3 close to wheel hub 2
The sealing ring 32 of annular is formed, 32 periphery of sealing ring is provided with overlap 1, and overlap 1 is pushed against hub motor tire side, sealing ring
32 are pushed against 2 periphery of wheel hub, reduce sundries and enter between end cap 3 and wheel hub 2, and be arranged with tire on wheel hub 2, pass through tire
Sealing further increases the leakproofness of end cap 3.
The end cap 3 has positioning region 33 close to the also punch forming of the side of wheel hub 2, and positioning region 33 is pushed against 2 inner wall of wheel hub
On, convenient for the installation positioning of end cap 3, reduces installation error, avoid the rotor 5 and stator that lead to wheel hub 2 due to 3 installation error of end cap
6 is coaxial, influences the service life of hub motor, and mounting groove 34 is formed between sealing ring 32 and positioning region 33, and wheel hub 2 is fixed on
In mounting groove 34, the structure and conducive to by leakproofness between end cap 3 and two is provided on wheel hub 2 and matches with positioning region 33
The locating slot 22 of conjunction, convenient for the location and installation of end cap 3.
Even circumferential is provided with mounting hole 39 on the end cap 3, and even circumferential is provided on wheel hub 2 cooperates with mounting hole 39
Threaded hole 21, and 21 numbers of threaded hole are 39 several integral multiples of mounting hole, fasteners through mounting holes 39 and and threaded hole
21 cooperations, setting is provided with 18 threaded holes 21, the structure on wheel hub 2 there are six mounting hole 39 on end cap 3 in the present embodiment
Convenient for the Fast Installation of end cap 3, and after hub motor detachable maintaining, end cap 3 can be turned an angle and be cooperated with two,
It avoids dismantling because of end cap 3 and leads to 33 concentrated wear of positioning region, to influence the installation accuracy of end cap 3, be conducive to extend wheel hub electricity
The service life of machine.
It is provided with the bearing block 36 to 2 outside protrusion of wheel hub in the middle part of the end cap 3, is provided with bearing 4, axis in bearing block 36
It holds 36 bottom of seat and is provided with the step surface 37 for pushing against 4 outer ring of bearing, the setting of through-hole 38 facilitates axis in 36 middle part of bearing block, the structure
Fixed installation is held, and 4 inner ring of bearing and end cap 3 is avoided to generate friction, influences 4 normal rotation of bearing.
It is preferred that 36 outer ring of bearing block is provided with the groove 35 being recessed into wheel hub, which is conducive to improve end cap 3
Structural strength, and bearing block 36 is located at 35 bottom of groove, makes the stress balance of 3 two sides of end cap, and extend end cap 3 uses the longevity
Life.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (5)
1. a kind of hub motor is arranged with tire including hollow wheel hub (2) on wheel hub (2), wheel hub is provided with stator in (2)
(6) and rotor (5), it is characterised in that: wheel hub (2) side is fixedly installed the stamping forming end cap of iron plate (3), end cap
(3) stator (6) and rotor (5) are sealed in wheel hub (2), end cap (3) is stamped and formed out the close of annular close to the side of wheel hub (2)
Seal (32), sealing ring (32) are pushed against wheel hub (2) periphery.
2. a kind of hub motor according to claim 1, it is characterised in that: side of the end cap (3) close to wheel hub (2)
Also punch forming has positioning region (33), and positioning region (33) are pushed against on wheel hub (2) inner wall, sealing ring (32) and positioning region (33) it
Between form mounting groove (34), wheel hub (2) is fixed in mounting groove (34).
3. a kind of hub motor according to claim 1 or 2, it is characterised in that: even circumferential is arranged on the end cap (3)
Have mounting hole (39), even circumferential is provided with the threaded hole (21) with mounting hole (39) cooperation, and threaded hole (21) on wheel hub (2)
Number is the integral multiple of mounting hole (39) number, and fasteners through mounting holes (39) simultaneously cooperate with threaded hole (21).
4. a kind of hub motor according to claim 3, it is characterised in that: be provided in the middle part of the end cap to wheel hub (2)
The bearing block (36) of outside protrusion is provided with bearing (4) in bearing block (36), and bearing block (36) bottom is provided with abutting bearing
(4) step surface (37) of outer ring is provided with through-hole (38) in bearing block (36).
5. a kind of hub motor according to claim 4, it is characterised in that: bearing block (36) outer ring is provided with to wheel
The groove (35) being recessed in hub (2), bearing block (36) are located at groove (35) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821258084.9U CN208608824U (en) | 2018-08-06 | 2018-08-06 | A kind of hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821258084.9U CN208608824U (en) | 2018-08-06 | 2018-08-06 | A kind of hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208608824U true CN208608824U (en) | 2019-03-15 |
Family
ID=65671737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821258084.9U Active CN208608824U (en) | 2018-08-06 | 2018-08-06 | A kind of hub motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208608824U (en) |
-
2018
- 2018-08-06 CN CN201821258084.9U patent/CN208608824U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200603 Address after: 321399 west side of plant 5, No. 123, Lingshi Road, Xicheng, Yongkang City, Jinhua City, Zhejiang Province Patentee after: Yongkang Junhao industry and Trade Co.,Ltd. Address before: 321302 Room 903, unit F, 100 Huafeng West Road, Jiangnan street, Yongkang, Jinhua, Zhejiang. Patentee before: Lv Linbao |