CN107171523A - Wheel hub motor, automotive wheel and automobile - Google Patents
Wheel hub motor, automotive wheel and automobile Download PDFInfo
- Publication number
- CN107171523A CN107171523A CN201710375465.9A CN201710375465A CN107171523A CN 107171523 A CN107171523 A CN 107171523A CN 201710375465 A CN201710375465 A CN 201710375465A CN 107171523 A CN107171523 A CN 107171523A
- Authority
- CN
- China
- Prior art keywords
- rotor
- wheel hub
- central shaft
- hub motor
- wheel
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
Abstract
The present invention discloses a kind of wheel hub motor, automotive wheel and automobile, and the wheel hub motor includes：Central shaft；Stator and the rotor for being capable of relatively described stator rotation；Rotor case, the rotor case is fixedly connected with the rotor, and rotational support is on the central shaft；Wheel hub, the wheel hub is fixedly connected with the rotor case close to the part of the central shaft, and then by the rotor case rotational support on the central shaft.By the above-mentioned means, external force suffered by wheel hub can be directly delivered on central shaft by the present invention, to the influence very little of rotor and stator, prevent the situation that motor is deformed from occurring.
Description
Technical field
The present invention relates to automobile technical field, more particularly to a kind of wheel hub motor, automotive wheel and automobile.
Background technology
In an existing wheel hub motor, including hollow bushing, stator is installed with hollow bushing outer wall, stator includes line
Circle and the stator support on hollow bushing, are also respectively provided with bearing on the hollow bushing outer wall of stator both sides, are located at
Stator peripheral and also serve as motor housing wheel hub rotor it is mounted on bearings, have magnet steel on the inwall of wheel hub rotor.Hollow bushing
Inwall be provided with axially through keyway, the stage casing of hollow bushing inwall is provided with deep gouge in the relative position of keyway, in deep gouge one
Side is provided with wire via connected with the deep gouge and radial penetration hollow sleeve tube wall, deep gouge and is embedded with elastic electric connecting terminal
Son, motor coil lead-out wire is electrically connected through wire via with elastic electric connection terminal, and elastic electric connection terminal touches for elasticity pressure
Terminal, its elasticity pressure contact portion position protrudes from hollow bushing inwall.
But, in above-mentioned wheel hub motor, permanent magnet (i.e. magnet steel) is directly fixed on wheel hub, because wheel hub is main
Stressed member, wheel hub stress deformation directly affects the gap of permanent magnet and rotor on motor, easy stuck, nothing during hub operation
The deformation of the rule risk that also increase permanent magnet comes off.
The content of the invention
, can be by wheel hub the present invention solves the technical problem of a kind of wheel hub motor, automotive wheel and automobile is provided
Suffered external force is directly delivered on central shaft, to the influence very little of rotor and stator, prevents the situation that motor is deformed from occurring.
In order to solve the above technical problems, one aspect of the present invention is：A kind of wheel hub motor, the wheel are provided
Hub motor includes：Central shaft；Stator and the rotor for being capable of relatively described stator rotation；Rotor case, the rotor case and institute
Rotor is stated to be fixedly connected, and rotational support is on the central shaft；Wheel hub, the wheel hub and the rotor case are in described
The part of heart axle is fixedly connected, and then by the rotor case rotational support on the central shaft.
Wherein, the wheel hub with the rotor case being partially separated away from the central shaft.
Wherein, the rotor case includes：First annular perisporium, radial direction of the first annular perisporium along the rotor is set
It is placed in the outside of the outer peripheral face of the rotor and is fixedly connected with the rotor；First end wall, first end wall turns along described
Son the end face for being axially set in the rotor outside, and first end wall central area rotational support in the center
On axle.
Wherein, the inner peripheral surface of the first annular perisporium and the outer peripheral face of the rotor are against each other and interfix.
Wherein, the wheel hub includes：Second annular perisporium, the described second annular perisporium being radially disposed at along the rotor
The inner peripheral surface of the outside of the outer peripheral face of described first circular perisporium and the second annular perisporium and the described first circular perisporium
Radial direction of the outer peripheral face along the rotor pre-sets certain accommodation space；Second end wall, second end wall is along the rotor
Be axially set in first end wall away from the rotor side, and central area and the first end of second end wall
The central area of wall is fixedly connected, and then by the rotor case rotational support on the central shaft.
Wherein, the wheel hub motor further comprises：Brake system, the brake system is connected with the rotor, and institute
State at least part element of brake system relative to the central shaft radial position between the central shaft and the rotor it
Between.
Wherein, the side of the direction of the stator brake system is provided with depressed part, and the brake system is at least
Subelement is arranged in the depressed part.
Wherein, the brake system includes：Braking bracket, the braking bracket is fixed on the rotor and in described
Heart axle extends；Brake block, the brake block is fixed on the braking bracket；Clamping jaw, for being braked to the brake block,
Wherein described brake block and the clamping jaw relative to the central shaft radial position between the central shaft and the rotor it
Between.
Wherein, the brake block being radially arranged parallel to the rotor, and the sensing of the free end of the brake block with
The central shaft it is in opposite direction.
Wherein, the further rotational support of the braking bracket is on the central shaft.
In order to solve the above technical problems, another technical solution used in the present invention is：Automotive wheel, the automobile are provided
Wheel includes the wheel hub motor being arranged on automotive wheel, and the wheel hub motor is wheel hub motor as above described in any one.
In order to solve the above technical problems, another technical scheme that the present invention is used is：A kind of automobile, the automobile are provided
At least one wheel utilize In-wheel motor driving, the wheel hub motor is wheel hub motor as above described in any one.
The beneficial effects of the invention are as follows：The situation of prior art is different from, wheel hub motor of the invention includes：Central shaft；
Stator and the rotor for being capable of relatively described stator rotation；Rotor case, the rotor case is fixedly connected with the rotor, and is turned
It is dynamic to be supported on the central shaft；Wheel hub, the wheel hub is fixedly connected with the rotor case close to the part of the central shaft,
And then by the rotor case rotational support on the central shaft.In the embodiment of the present invention, wheel hub by rotor case with
Rotor is fixedly connected, and wheel hub is fixedly connected with rotor case in rotor case close to the part of central shaft, and rotor case
Core is directly anchored on central shaft, so external force suffered by wheel hub can be directly delivered on central shaft, to rotor and
The influence very little of stator, prevents the situation that motor is deformed from occurring.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of wheel hub motor one of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole realities
Apply mode.Based on the embodiment in the present invention, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment obtained, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is the structural representation of the embodiment of wheel hub motor one of the present invention, the wheel hub motor, including：In
Heart axle 1, motor 2 and wheel hub 3.
Wherein, central shaft 1 is used for connecting suspension.
Motor 2 includes stator 21 and is capable of the rotor 22 of the rotation of relative stator 21.
Wheel hub motor further comprises：Rotor case 4.Rotor case 4 is fixedly connected with rotor 22, and rotational support is in
On heart axle 1, wheel hub 3 is fixedly connected with rotor case 4 close to the part of central shaft 1, so by the rotational support of rotor case 4 in
On central shaft 1.
In present embodiment, wheel hub 3 is fixedly connected by rotor case 4 with rotor 44, and wheel hub 3 and rotor case 4
It is fixedly connected in the shell of rotor 44 close to the part of central shaft 1, and the core of rotor case 4 is directly anchored on central shaft 1,
So external force can be directly delivered on central shaft 1 suffered by wheel hub 3, to the influence very little of rotor 22 and stator 21, electricity is prevented
The situation of machine deformation occurs.
Wherein, wheel hub 3 with rotor case 4 being partially separated away from central shaft 1.
With continued reference to Fig. 1, in the present embodiment, the concrete structure of rotor case 4 includes：First annular perisporium 41 and
One end wall 42.
Outside of the first annular perisporium 41 along the outer peripheral face for being radially disposed at rotor 22 of rotor 22 and fixed with rotor 22
Connection；Outside of first end wall 42 along the end face for being axially set in rotor 22 of rotor 22, and the central area of the first end wall 42
Rotational support is on central shaft 1.In this way, first annular perisporium 41 contributes to the jacket of rotor 22 located at rotor 22
Outside, the first end wall 42 contributes to the rotational support of rotor 22 on central shaft 1.
Further, the inner peripheral surface of first annular perisporium 41 and the outer peripheral face of rotor 22 are against each other and interfix.Pass through
This mode, can further stablize rotor case 4, prevent the rotor case 4 in rotation of rotor 22 from relaxing and hindering rotor 22
Rotation.
It is preferred that, the first annular end wall 42 of perisporium 41 and first is integrally formed, certain first annular perisporium 41 and the
One end wall 42 can also be parts processing shaping, be fixed together subsequently through modes such as welding, rivetings.
On the basis of said structure, now, wheel hub 3 may include：The second annular end wall 32 of perisporium 31 and second.
Outside of the second annular perisporium 31 along the outer peripheral face for being radially disposed at the first circular perisporium 41 of rotor 22, preferably
, the inner peripheral surface of the second annular perisporium 31 can be pre-set necessarily with the radial direction of the outer peripheral face of the first circular perisporium 41 along rotor 22
Accommodation space；Second end wall 32 is axially set in the first end wall 42 away from the side of rotor 22 along rotor 22, and at least
The central area of two end walls 32 is fixedly connected with the central area of the first end wall 42, and then is supported in by the housing into rotation of rotor 22
On central shaft 1.By the above-mentioned means, the second annular perisporium 31 contributes to wheel hub 3 to cover at the outside of rotor 22, the second end wall 32
Contribute to wheel hub 3 and the central area of the first end wall 42 to be fixedly connected, and then central shaft 1 is supported in by the housing into rotation of rotor 22
On.The inner peripheral surface of second annular perisporium 31 can be pre-set necessarily with the radial direction of the outer peripheral face of the first circular perisporium 41 along rotor 22
Accommodation space, when wheel hub 3 occur slight deformation when, can for rotor 22 provide convolution space support, from without influence turn
The normal work of son 22
It is preferred that, the second annular end wall 32 of perisporium 31 and second is integrally formed, the certain second annular perisporium 31 and the
Two end walls 32 can also be parts processing shaping, be fixed together subsequently through modes such as welding, rivetings.
With continued reference to Fig. 1, wheel hub motor further comprises：Brake system 5.
Brake system 5 is connected with rotor 22, and radial direction position of at least part element relative to central shaft 1 of brake system 5
Put between central shaft 1 and rotor 22.
Traditional brake system position is taken by wheel hub motor, if using conventional braking system again in the present invention,
Will to wheel hub medial movement, this will take suspension space.In embodiments of the present invention, brake system 5 is at least
Subelement relative to central shaft 1 radial position between central shaft 1 and rotor 22, in this way, will can stop
Car system 5 is placed directly in wheel hub motor central empty part without influenceing the position of suspension.
Further, the side towards brake system 5 of stator 22 is provided with depressed part 221, and the part of brake system 5 is arranged at
In depressed part 221.In this way, the setting of compacting of brake system 5 is more contributed to.
Wherein, brake system 5 includes：Braking bracket 51, brake block 52 and clamping jaw 53.
Braking bracket 51 is fixed on rotor 22 and extended to central shaft 1；Brake block 52 is fixed on braking bracket 51；Folder
Pawl 53 be used for brake block 52 is braked, wherein brake block 52 and clamping jaw 53 relative to the radial position of central shaft 1 in
Between heart axle 1 and rotor 22.
Wherein, being radially arranged parallel to rotor 22 of brake block 52, and sensing and the central shaft of the free end of brake block 52
It is in opposite direction, the free end of brake block 52 is openend；The sensing of the free end of brake block 52 and the direction phase of central shaft
Instead, that is to say, that direction of the sensing away from central shaft of the free end of brake block 52, the free end of brake block 52 is to be easy to mill
Damage, it is necessary to update, in this way, can facilitate installed in outside of the wheel hub motor away from central shaft brake block 52 from
By holding.In embodiments of the present invention, clamping jaw 53 is assembled from the center of circle of central shaft to circumferencial direction, as shown by the arrows in Figure 1 side
To A.
Wherein, the further rotational support of braking bracket 51 is on central shaft 1.
Wherein, motor 2 is switched reluctance machines.Switched reluctance machines are a kind of new bunchers, and governing system has concurrently
Direct current, the advantage for exchanging two class governing systems, are the latest generations after frequency conversion speed-adjusting system, Speed Regulating System of Brushless DC Motor
Stepless time adjustment system.It simple in construction firm, speed-regulating range width, speed adjusting performance is excellent, and all has in whole speed adjustable range
There is greater efficiency, system reliability is high.
The present invention also provides a kind of automotive wheel, and the automotive wheel includes the wheel hub motor being arranged on automotive wheel, should
Wheel hub motor is wheel hub motor as above described in any one, and the detailed description of related content refers to above-mentioned Fig. 1 and corresponding text
Word illustrates, no longer goes to live in the household of one's in-laws on getting married chat herein.
The present invention also provides a kind of automobile, and at least one wheel of the automobile utilizes In-wheel motor driving, the wheel hub motor
For any of the above-described described wheel hub motor, the detailed description of related content refers to above-mentioned Fig. 1 and corresponding explanatory note, herein
No longer go to live in the household of one's in-laws on getting married and chat.
Wheel hub motor includes：Central shaft；Stator and the rotor for being capable of relatively described stator rotation；Rotor case, described turn
Subshell is fixedly connected with the rotor, and rotational support is on the central shaft；Wheel hub, the wheel hub and the rotor case
Part close to the central shaft is fixedly connected, and then by the rotor case rotational support on the central shaft.
Wherein, wheel hub with the rotor case being partially separated away from the central shaft.
Wherein, rotor case includes：First annular perisporium, first annular perisporium is radially disposed at the outer of rotor along rotor
The outside of side face, the inner peripheral surface of first annular perisporium and the outer peripheral face of rotor are against each other and interfix；First end wall, first
Outside of the end wall along the end face for being axially set in rotor of rotor, and the first end wall central area rotational support in central shaft
On.
Wherein, wheel hub includes：Second annular perisporium, the second annular perisporium is radially disposed at the first circular perisporium along rotor
The outside of outer peripheral face and radial direction of the outer peripheral face along rotor of the inner peripheral surface of the second annular perisporium and the first circle perisporium set in advance
Put certain accommodation space；Second end wall, the second end wall is axially set in the first end wall away from rotor side along rotor, and
The central area of two end walls is fixedly connected with the central area of the first end wall, and then by rotor case rotational support in central shaft
On.
Wherein, wheel hub motor further comprises：Brake system, brake system is connected with rotor, and brake system is at least
Subelement relative to central shaft radial position between central shaft and rotor.
Wherein, the side towards brake system of stator is provided with depressed part, and at least part element of brake system is set
In in depressed part.
Wherein, brake system includes：Braking bracket, braking bracket is fixed on rotor and extended to central shaft；Brake block,
Brake block is fixed on braking bracket；Clamping jaw, for being braked to brake block, wherein brake block and clamping jaw is relative to central shaft
Radial position between central shaft and rotor.
Automobile in present embodiment, wheel hub is fixedly connected with the rotor by rotor case, and wheel hub and rotor case
It is fixedly connected in rotor case close to the part of central shaft, and rotor case core is directly anchored on central shaft, so
External force suffered by wheel hub can be directly delivered on central shaft, to the influence very little of rotor and stator, the feelings for preventing motor from deforming
Condition occurs.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is similarly included in the scope of patent protection of the present invention.
Claims (10)
1. a kind of wheel hub motor, it is characterised in that the wheel hub motor includes：
Central shaft；
Stator and the rotor for being capable of relatively described stator rotation；
Rotor case, the rotor case is fixedly connected with the rotor, and rotational support is on the central shaft；
Wheel hub, the wheel hub is fixedly connected with the rotor case close to the part of the central shaft, and then passes through the rotor
Shell rotational support is on the central shaft.
2. the wheel hub motor according to claim 1, it is characterised in that the wheel hub is with the rotor case away from described
Central shaft is partially separated.
3. the wheel hub motor according to claim 1, it is characterised in that the rotor case includes：
First annular perisporium, outside of the first annular perisporium along the outer peripheral face for being radially disposed at the rotor of the rotor
And be fixedly connected with the rotor；
First end wall, outside of first end wall along the end face for being axially set in the rotor of the rotor, and described
The central area rotational support of one end wall is on the central shaft.
4. the wheel hub motor according to claim 3, it is characterised in that the inner peripheral surface of the first annular perisporium with it is described
The outer peripheral face of rotor is against each other and interfixes.
5. the wheel hub motor according to claim 3, it is characterised in that the wheel hub includes：
Second annular perisporium, the periphery that is radially disposed at described first circular perisporium of the described second annular perisporium along the rotor
Radial direction of the inner peripheral surface of the outside in face and the second annular perisporium with the outer peripheral face of the described first circular perisporium along the rotor
Pre-set certain accommodation space；
Second end wall, second end wall is axially set in first end wall away from the rotor side along the rotor,
And the central area of second end wall is fixedly connected with the central area of first end wall, and then pass through the rotor case
Rotational support is on the central shaft.
6. the wheel hub motor according to claim 1, it is characterised in that the wheel hub motor further comprises：
Brake system, the brake system is connected with the rotor, and the brake system at least part element relative to institute
The radial position of central shaft is stated between the central shaft and the rotor.
7. the wheel hub motor according to claim 6, it is characterised in that the one of the direction brake system of the stator
Side is provided with depressed part, and at least part element of the brake system is arranged in the depressed part.
8. the wheel hub motor according to claim 6, it is characterised in that the brake system includes：
Braking bracket, the braking bracket is fixed on the rotor and extended to the central shaft；
Brake block, the brake block is fixed on the braking bracket；
Clamping jaw, for being braked to the brake block, wherein the brake block and the clamping jaw are relative to the central shaft
Radial position is between the central shaft and the rotor；
Wherein, the brake block being radially arranged parallel to the rotor, and the sensing of the free end of the brake block with it is described
Central shaft it is in opposite direction；
Wherein, the further rotational support of the braking bracket is on the central shaft.
9. a kind of automotive wheel, it is characterised in that the automotive wheel includes the wheel hub motor being arranged on automotive wheel, described
Wheel hub motor is the wheel hub motor described in claim any one of 1-8.
10. a kind of automobile, it is characterised in that at least one wheel of the automobile utilizes In-wheel motor driving, the wheel hub electricity
Machine is the wheel hub motor described in claim any one of 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710375465.9A CN107171523A (en) | 2017-05-24 | 2017-05-24 | Wheel hub motor, automotive wheel and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710375465.9A CN107171523A (en) | 2017-05-24 | 2017-05-24 | Wheel hub motor, automotive wheel and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107171523A true CN107171523A (en) | 2017-09-15 |
Family
ID=59822366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710375465.9A Pending CN107171523A (en) | 2017-05-24 | 2017-05-24 | Wheel hub motor, automotive wheel and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107171523A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018214238A1 (en) * | 2017-05-24 | 2018-11-29 | 深圳市大富科技股份有限公司 | Hub motor, automobile wheel, and automobile |
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| CN202053878U (en) * | 2011-03-10 | 2011-11-30 | 唐山普林亿威科技有限公司 | Installing structure of front drive electric automobile hub motor |
| CN103448531A (en) * | 2013-08-15 | 2013-12-18 | 安徽工程大学 | Electric driving wheel with cooling function |
| CN104760577A (en) * | 2015-03-11 | 2015-07-08 | 天津金轮自行车集团有限公司 | Rear wheel of electric vehicle |
| CN205112983U (en) * | 2015-10-29 | 2016-03-30 | 郝立华 | Hub motor for automobile |
| CN106364310A (en) * | 2016-09-09 | 2017-02-01 | 山东理工大学 | Hub electric driving system with torsion vibration attenuation function |
| CN207039423U (en) * | 2017-05-24 | 2018-02-23 | 深圳市大富科技股份有限公司 | Wheel hub motor, automotive wheel and automobile |
-
2017
- 2017-05-24 CN CN201710375465.9A patent/CN107171523A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202053878U (en) * | 2011-03-10 | 2011-11-30 | 唐山普林亿威科技有限公司 | Installing structure of front drive electric automobile hub motor |
| CN103448531A (en) * | 2013-08-15 | 2013-12-18 | 安徽工程大学 | Electric driving wheel with cooling function |
| CN104760577A (en) * | 2015-03-11 | 2015-07-08 | 天津金轮自行车集团有限公司 | Rear wheel of electric vehicle |
| CN205112983U (en) * | 2015-10-29 | 2016-03-30 | 郝立华 | Hub motor for automobile |
| CN106364310A (en) * | 2016-09-09 | 2017-02-01 | 山东理工大学 | Hub electric driving system with torsion vibration attenuation function |
| CN207039423U (en) * | 2017-05-24 | 2018-02-23 | 深圳市大富科技股份有限公司 | Wheel hub motor, automotive wheel and automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018214238A1 (en) * | 2017-05-24 | 2018-11-29 | 深圳市大富科技股份有限公司 | Hub motor, automobile wheel, and automobile |
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