CN207782599U - A kind of built-in mounting structure for wheel hub motor rotary transformer - Google Patents
A kind of built-in mounting structure for wheel hub motor rotary transformer Download PDFInfo
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- CN207782599U CN207782599U CN201721728044.1U CN201721728044U CN207782599U CN 207782599 U CN207782599 U CN 207782599U CN 201721728044 U CN201721728044 U CN 201721728044U CN 207782599 U CN207782599 U CN 207782599U
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- hub bearing
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 10
- 230000004323 axial length Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The utility model discloses a kind of built-in mounting structures for wheel hub motor rotary transformer, including electric machine assembly and transformer device, the transformer device is embedded in the electric machine assembly, the electric machine assembly includes rotor, motor stator, stator central axis and stator support, and the transformer device includes:Transformer rotor, resolver stator and hub bearing, wherein, the hub bearing is set in the stator central axis, and it is placed in the accommodating cavity that the rotor is formed with the stator support, and one end is plugged in the rotor, and it is clamped with the rotor, the other end is towards the stator support, the transformer rotor is set in the hub bearing, with the hub bearing synchronous rotary, the resolver stator is arranged in the accommodating cavity, and is embedded in the stator support.The utility model reduces the axial dimension of wheel hub motor so that overall structure is compacter.
Description
Technical field
The utility model is related to the technical fields of motor, are specifically related to a kind of for the interior of wheel hub motor rotary transformer
Set formula mounting structure.
Background technology
With the proposition of this world's environmental protection theme of energy-saving and emission-reduction, electric vehicle realizes zero-emission, low energy consumption as unique
Green Vehicle will become the development trend of vehicle, capture the staple market of future automobile.And In-wheel motor driving electric vehicle
Have its unique advantage, will be as electric vehicle important development direction.And rotary transformer is due to simple in structure tight
It gathers, reliability height, thus is widely used in the vector controlled of wheel hub motor, as rotor position measurement signal element.
Existing rotary transformer is mainly by the way of exterior rotary transformer so that the axial dimension of wheel hub motor adds
It is long, so that whole volume becomes larger, it is unfavorable for the compact design of vehicle body.
Utility model content
For the above-mentioned problems in the prior art, it is desirable to provide a kind of axial dimension reducing wheel hub motor so that
The overall compact built-in mounting structure for wheel hub motor rotary transformer of overall structure.
Specific technical solution is as follows：
A kind of built-in mounting structure for wheel hub motor rotary transformer, including electric machine assembly and transformer group
Part, the transformer device are embedded in the electric machine assembly, and the electric machine assembly includes rotor, motor stator, stator
Central shaft and stator support, the transformer device include:Transformer rotor, resolver stator and hub bearing, wherein
The hub bearing is set in the stator central axis, and is placed in the appearance that the rotor is formed with the stator support
Intracavitary is set, and one end is plugged in the rotor, and be clamped with the rotor, the other end is towards the stator branch
Frame, the transformer rotor are set in the hub bearing, and with the hub bearing synchronous rotary, the resolver stator is set
It sets in the accommodating cavity, and is embedded in the stator support.
Preferably, be provided with the circular sink hole of indent on the stator support, and the counterbore and surrounding side wall it
Between form the stepped structure of First, the resolver stator is arranged in the counterbore.
Preferably, the side of the resolver stator offsets with the stepped structure of the First, and it is solid by positioning screw
It is scheduled in the stator support.
Preferably, the transformer rotor asks clearance fit, the transformer rotor and the wheel with the hub bearing
It is also inserted with positioning pin in the gap that hub axle is held.
Preferably, the hub bearing includes the first shaft part, the second shaft part and third shaft part being sequentially connected, San Zhezhi
Diameter is incremented by successively, and then second step shape structure and third terraced structure are formd between three.
Preferably, the transformer rotor is set on second shaft part, and side and the third terraced structure
Offset, pressing sleeve be also arranged on the hub bearing, the pressure is set on first shaft part, and with the second step
Shape structure offsets.
Preferably, the axial length of the transformer rotor is not less than the length of second shaft part.
The good effect of above-mentioned technical proposal is:
(1) in the utility model, transformer device is accommodated in the accommodating cavity, reduces whole structure, meanwhile,
One end of the hub bearing is plugged in the rotor, so with the rotor synchronous rotary, and the change
Depressor rotor is connected with the hub bearing, so with the synchronous rotary that realizes transformer rotor and rotor, and transformation
Device stator is fixed on the stator support, and then is moved synchronously with the motor stator.
(2) while by the design of the stepped structure of First on locating support and the cooperation of positioning screw, by transformer
Stator is positioned.
(3) and the cooperation on hub bearing between several terraced structures, pressing sleeve and positioning pin then can preferably it is right
Transformer rotor is positioned.
(4) the utility model not only can guarantee that the height of the stator and rotor of transformer at work is concentric, make transformer
Long-time accurate feedback signal ensures wheel hub motor normal operation, is also convenient for the installation of rotary transformer.
Description of the drawings
Fig. 1 is sectional view of the utility model for the built-in mounting structure of wheel hub motor rotary transformer；
Fig. 2 is the enlarged drawing in the portions A in Fig. 1；
Fig. 3 is the enlarged drawing in the portions B in Fig. 1.
In attached drawing：1, rotor；2, motor stator；3, stator support；31, counterbore；32, the stepped structure of First；4、
Positioning screw；5, resolver stator；6, transformer rotor；7, positioning pin；8, hub bearing；81, the first shaft part；811, second
Stepped structure；82, the second shaft part；821, third terraced structure 821；83, third shaft part；9, stator central axis；10, pressing sleeve；
11, accommodating cavity.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, with
Lower embodiment combination attached drawing is specifically addressed to provided by the utility model.
Fig. 1 is sectional view of the utility model for the built-in mounting structure of wheel hub motor rotary transformer, incorporated by reference to
Shown in Fig. 1, show it is a kind of preferably be used for wheel hub motor rotary transformer built-in mounting structure, including electric machine assembly with
And transformer device, the transformer device are embedded in the electric machine assembly, the electric machine assembly includes rotor 1, electricity
Machine stator 2, stator central axis 9 and stator support 3, wherein the stator central axis 9 is plugged in the rotor 1, institute
It states stator support 3 to be set in the stator central axis 9, and is placed in the rotor 1, the motor stator 2 is accommodating
It is fixedly connected in the rotor 1 and with the motor stator 2, wherein the stator central axis 9 remains static.
Therefore when the rotor 1 rotates, motor stator 2, stator support 3 and stator central axis 9 remain static always,
And then motor stator 2 is mutually moved with the generation of the rotor 1.
The transformer device includes:Transformer rotor 6, resolver stator 5 and hub bearing 8, wherein the wheel hub
Bearing 8 is set in the stator central axis 9, and is placed in the accommodating cavity that the rotor 1 is formed with the stator support 3
In 11, and one end is plugged in the rotor 1, and is clamped with the rotor 1, and the other end is towards the stator support
3, the transformer rotor 6 is set in the hub bearing 8, with 8 synchronous rotary of the hub bearing, ensure that transformer is fixed
Son 5 and the height of transformer rotor 6 at work are concentric, make rotary transformer long-time accurate feedback signal, ensure wheel hub electricity
Machine normal operation, the resolver stator 5 is arranged in the accommodating cavity 11, and is embedded in the stator support 3.
In the utility model, transformer device is accommodated in the accommodating cavity 11, reduces whole structure, meanwhile,
One end of the hub bearing 8 is plugged in the rotor 1, so with 1 synchronous rotary of the rotor, and it is described
Transformer rotor 6 is connected with the hub bearing 8, so with the synchronous rotary that realizes transformer rotor 6 and rotor 1,
And resolver stator 5 is fixed on the stator support 3, and then moved synchronously with the motor stator 2.
Hereinafter, being illustrated with a kind of specific embodiment, it should be pointed out that described in following implementation it
Structure, technique, selection are only to illustrate the feasibility of embodiment, the intention of scope of protection of the utility model that there is no restriction.
Fig. 2 is the enlarged drawing in the portions A in Fig. 1, shown in Fig. 2, more specifically, is provided on the stator support 3 interior
Recessed 31 structure of circular sink hole, and the stepped structure 32 of First, institute are formed between 31 structure of the counterbore and surrounding side wall
It states resolver stator 5 to be arranged in the counterbore 31, and the stepped structure of side and the First 32 offsets, the first step
Shape structure 32 carries out axially position to the resolver stator 5, while the resolver stator 5 is fixed on by positioning screw 4
On the stator support 3 and then realize radial positioning.
In addition, the transformer rotor 6 asks clearance fit, the transformer rotor 6 and the wheel with the hub bearing 8
Hub axle holds the radial positioning for being also inserted with positioning pin 7 in 8 gap and then realizing transformer rotor 6.
Fig. 3 is the enlarged drawing in the portions B in Fig. 1, and shown in Fig. 3, the hub bearing 8 includes the first axle being sequentially connected
The 81, second shaft part 82 of section and third shaft part 83, three's diameter is incremented by successively, and then second step shape knot is formd between three
Structure 811 and third terraced structure 821.The transformer rotor 6 is set on second shaft part 82, and side with it is described
Third terraced structure 821 offsets.Pressing sleeve 10 is also arranged on the hub bearing 8, the pressing sleeve 10 is arranged described first
It on shaft part 81, and offsets with the second step shape structure 811, and then axial limiting is carried out to the transformer rotor 6.
Further, the axial length of the transformer rotor 6 is not less than the length of second shaft part 82, in turn
So that pressing sleeve 10 offsets with the transformer rotor 6, the axially position of transformer rotor 6 is furthermore achieved.
In the utility model, transformer device is accommodated in the accommodating cavity 11, reduces whole structure, meanwhile,
One end of the hub bearing 8 is plugged in the rotor 1, so with 1 synchronous rotary of the rotor, and it is described
Transformer rotor 6 is connected with the hub bearing 8, so with the synchronous rotary that realizes transformer rotor 6 and rotor 1,
And resolver stator 5 is fixed on the stator support 3, and then moved synchronously with the motor stator 2.Simultaneously by positioning branch
The design of the stepped structure of First 32 and the cooperation of positioning screw 4, resolver stator 5 is positioned on frame.And hub spindle
Holding the cooperation between several terraced structures on 8, pressing sleeve 10 and positioning pin 7 then can preferably carry out transformer rotor 6
Positioning.The utility model not only can guarantee that the height of the stator and rotor of transformer at work is concentric, make transformer for a long time
Accurate feedback signal ensures wheel hub motor normal operation, is also convenient for the installation of transformer.
It these are only the utility model preferred embodiment, be not intended to limit the embodiment and protection of the utility model
Range should can appreciate that all with the utility model specification and diagramatic content institute to those skilled in the art
The equivalent replacement made and obviously change obtained scheme, the scope of protection of the utility model should all be included in
It is interior.
Claims (7)
1. a kind of built-in mounting structure for wheel hub motor rotary transformer, including electric machine assembly and transformer device,
It is characterized in that, the transformer device is embedded in the electric machine assembly, the electric machine assembly includes rotor (1), electricity
Machine stator (2), stator central axis (9) and stator support (3), the transformer device include:Transformer rotor (6), transformation
Device stator (5) and hub bearing (8), wherein the hub bearing (8) is set in the stator central axis (9), and houses
It is interior in the accommodating cavity (11) that the rotor (1) and the stator support (3) are formed, and one end is plugged in the rotor
(1) it in, and is clamped with the rotor (1), the other end is arranged towards the stator support (3), the transformer rotor (6)
In the hub bearing (8), with the hub bearing (8) synchronous rotary, resolver stator (5) setting is described accommodating
In chamber (11), and it is embedded in the stator support (3).
2. the built-in mounting structure according to claim 1 for wheel hub motor rotary transformer, which is characterized in that institute
The circular sink hole (31) for being provided with indent on stator support (3) is stated, and is formed between the counterbore (31) and surrounding side wall
The stepped structure of First (32), the resolver stator (5) are arranged in the counterbore (31).
3. the built-in mounting structure according to claim 2 for wheel hub motor rotary transformer, which is characterized in that institute
The side and the stepped structure of the First (32) for stating resolver stator (5) offset, and are fixed on by positioning screw (4) described
In stator support (3).
4. the built-in mounting structure according to claim 1 for wheel hub motor rotary transformer, which is characterized in that institute
It states transformer rotor (6) and asks clearance fit, the transformer rotor (6) and the hub bearing (8) with the hub bearing (8)
Gap in be also inserted with positioning pin (7).
5. the built-in mounting structure according to claim 4 for wheel hub motor rotary transformer, which is characterized in that institute
It includes the first shaft part (81), the second shaft part (82) and third shaft part (83) being sequentially connected, three's diameter to state hub bearing (8)
It is incremented by successively, second step shape structure (811) and third terraced structure (821) are formd between three.
6. the built-in mounting structure according to claim 5 for wheel hub motor rotary transformer, which is characterized in that institute
It states transformer rotor (6) to be set on second shaft part (82), and side offsets with the third terraced structure (821),
Also be arranged with pressing sleeve (10) on the hub bearing (8), the pressing sleeve (10) is arranged on first shaft part (81), and with institute
Second step shape structure (811) is stated to offset.
7. the built-in mounting structure according to claim 5 or 6 for wheel hub motor rotary transformer, feature exists
In the axial length of the transformer rotor (6) is not less than the length of second shaft part (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721728044.1U CN207782599U (en) | 2017-12-13 | 2017-12-13 | A kind of built-in mounting structure for wheel hub motor rotary transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721728044.1U CN207782599U (en) | 2017-12-13 | 2017-12-13 | A kind of built-in mounting structure for wheel hub motor rotary transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207782599U true CN207782599U (en) | 2018-08-28 |
Family
ID=63231194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721728044.1U Active CN207782599U (en) | 2017-12-13 | 2017-12-13 | A kind of built-in mounting structure for wheel hub motor rotary transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207782599U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774457A (en) * | 2019-03-01 | 2019-05-21 | 北京精密机电控制设备研究所 | A kind of hub motor for electric automobile |
| CN112436666A (en) * | 2020-10-15 | 2021-03-02 | 东风汽车集团有限公司 | In-wheel motor |
-
2017
- 2017-12-13 CN CN201721728044.1U patent/CN207782599U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774457A (en) * | 2019-03-01 | 2019-05-21 | 北京精密机电控制设备研究所 | A kind of hub motor for electric automobile |
| CN109774457B (en) * | 2019-03-01 | 2020-09-18 | 北京精密机电控制设备研究所 | Hub motor for electric automobile |
| CN112436666A (en) * | 2020-10-15 | 2021-03-02 | 东风汽车集团有限公司 | In-wheel motor |
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