CN207602371U - A kind of rotary transformer, motor and vehicle - Google Patents
A kind of rotary transformer, motor and vehicle Download PDFInfo
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- CN207602371U CN207602371U CN201721852187.3U CN201721852187U CN207602371U CN 207602371 U CN207602371 U CN 207602371U CN 201721852187 U CN201721852187 U CN 201721852187U CN 207602371 U CN207602371 U CN 207602371U
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- rotation
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- pressing plate
- circumferentially positioned
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Abstract
The utility model provides a kind of rotary transformer, becomes stator pressing plate including rotation and rotation becomes stator；The rotation becomes the annular stamping parts that stator pressing plate is provided with opening into one；The rotation becomes the both ends of the opening of stator pressing plate as circumferentially positioned key；The rotation, which becomes on the outer shroud circumference of stator pressing plate, is evenly arranged at least two mounting ears, and bolt hole is offered on the mounting ear；The both sides of wire connection terminal that the rotation becomes stator are provided with and the circumferentially positioned matched circumferentially positioned slot of key；The circumferentially positioned key is stuck in the circumferentially positioned slot.Rotary transformer described in the utility model is improved to by the way that rotation is become stator pressing plate by traditional large-area flat-plate stamping parts, annular opening stamping parts, the circumferentially positioned slot that circumferentially positioned key becomes stator with rotation is set to coordinate, realizes circumferentially fixed, avoids circumferential play.
Description
Technical field
The utility model is related to technical field of vehicle, more particularly to a kind of rotary transformer, motor and vehicle.
Background technology
With the environmental hazard for reducing and its bringing of traditional fossil energy, electronic new-energy automobile has obtained widely should
With the functional safety of new-energy automobile motor is of increasing concern.
In traditional new-energy automobile, rotary transformer is installed on motor, for angular displacement to be converted to electric signal,
Accurately to know the rotation position of motor.Wherein, rotation become stator fixed form into：Rotation becomes stator pressing plate and passes through electric motor end cap spiral shell
Pit will revolve change stator pressing plate using bolt and be compressed with rotation change stator, and revolve and become the stator pressing plate tablet larger into a bulk area
Stamping parts, rotation becomes stator and becomes stator pressing plate with rotation in compaction process contacts, and rotation change stator only has axially position into face with face, and
Without circumferential anti-shifting structure.
Thus, on the one hand, in punching press, flatness is difficult to ensure that the larger tablet of area, is unfavorable for rotation and is become stator
Axially position, moreover, existing fixed form does not ensure that the rotation of every motor becomes stator all on identical position, so as to
Cause each motor zero-bit difference a lot of, when motor damage replacement new motor, controller needs to debug zero-bit, mistake again every time
Journey is cumbersome, it is difficult to meet the requirement of interchangeability；On the other hand, rotation change stator lacks circumferentially positioned, is carrying, is transporting, severe road
Circumferential play can cause the zero-bit of motor to change when being operated under condition, influence the use of motor.
Utility model content
In view of this, the utility model is directed to a kind of rotary transformer, motor and vehicle, to improve rotary transformer
Axially position reliability, prevent circumferential play.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of rotary transformer becomes stator pressing plate including rotation and rotation becomes stator；
The rotation becomes the annular stamping parts that stator pressing plate is provided with opening into one；
The rotation becomes the both ends of the opening of stator pressing plate as circumferentially positioned key；
The rotation, which becomes on the outer shroud circumference of stator pressing plate, is evenly arranged at least two mounting ears, is opened up on the mounting ear
There is bolt hole；
The both sides of wire connection terminal that the rotation becomes stator are provided with and the circumferentially positioned matched circumferentially positioned slot of key；
The circumferentially positioned key is stuck in the circumferentially positioned slot.
Further, become position corresponding with the mounting ear on the inner ring circumference of stator pressing plate in the rotation and be provided with axis
To positioning convex platform；
The rotation, which becomes on the excircle seamed edge of stator, is provided with stepped groove；
The axially position boss is located in the stepped groove.
Further, it is reserved between each face of the circumferentially positioned slot and the circumferentially positioned key no more than 0.2mm
Gap.
Further, the width of the axially position boss is at least 6mm, and less than or equal to the diameter of the mounting ear.
Relative to the prior art, rotary transformer described in the utility model has the advantage that：
(1) rotary transformer described in the utility model becomes stator pressing plate by traditional large-area flat-plate punching press by that will revolve
Part is improved to, annular opening stamping parts, and the circumferentially positioned slot that circumferentially positioned key becomes stator with rotation is set to coordinate, and is realized circumferential solid
It is fixed, avoid circumferential play.
(2) in addition the utility model is also positioned using axially position boss, reduces contact area, reduces processing
Complexity, so as to improve the reliability of axially position.
The another object of the utility model is to propose a kind of motor and vehicle, to promote the interchangeability of motor, ensures
The stable and consistent of motor zero-bit, so as to promote the handling stability of vehicle.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of motor including end cap and bolt, further includes aforementioned rotary transformer；The rotation becomes stator pressing plate and passes through institute
Bolt is stated to be fixed on the end cap.
A kind of vehicle, the vehicle include aforementioned motor.
The motor, vehicle are identical relative to advantage possessed by the prior art with above-mentioned rotary transformer, herein no longer
It repeats.
Description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type do not form the improper restriction to the utility model for explaining the utility model.
In attached drawing：
Fig. 1 is a kind of schematic diagram of rotary transformer described in the utility model embodiment；
Fig. 2-1 is that the rotation of rotary transformer described in the utility model embodiment becomes the schematic three dimensional views of stator pressing plate；
Fig. 2-2 is that the rotation of rotary transformer described in the utility model embodiment becomes the floor map of stator pressing plate；
Fig. 3-1 is that the rotation of rotary transformer described in the utility model embodiment becomes the schematic three dimensional views of stator；
Fig. 3-2 is that the rotation of rotary transformer described in the utility model embodiment becomes the floor map of stator；
Fig. 4 is a kind of end view of motor described in the utility model embodiment；
Fig. 5 is a kind of sectional view of motor described in the utility model embodiment Fig. 4.
Reference sign：
10- rotations become stator pressing plate, and 11- rotations become stator, 12- end caps, 13- bolts, the circumferentially positioned keys of 101-, 102- installations
Ear, 103- axially position boss, 111- wire connection terminals, the circumferentially positioned keyways of 112-, 113- stepped grooves, 1021- bolts hole, D- weeks
To positioning width of key, the circumferentially positioned keyway depth of F-.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the utility model can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
The utility model embodiment provides a kind of rotary transformer, becomes stator pressing plate including rotation and rotation becomes stator；It is described
Rotation becomes the annular stamping parts that stator pressing plate is provided with opening into one；The rotation becomes the both ends of the opening of stator pressing plate to be circumferentially positioned
Key；The rotation, which becomes on the outer shroud circumference of stator pressing plate, is evenly arranged at least two mounting ears, and spiral shell is offered on the mounting ear
Keyhole；The both sides of wire connection terminal that the rotation becomes stator are provided with and the circumferentially positioned matched circumferentially positioned slot of key；It is described
Circumferentially positioned key is stuck in the circumferentially positioned slot.
Rotary transformer described in the utility model becomes stator pressing plate by traditional large-area flat-plate stamping parts by that will revolve
It is improved to, annular opening stamping parts, the circumferentially positioned slot that circumferentially positioned key becomes stator with rotation is set to coordinate, realize circumferential solid
It is fixed, avoid circumferential play.
With reference to Fig. 1, the utility model embodiment provides a kind of rotary transformer, becomes stator pressing plate 10 including rotation and rotation becomes
Stator 11；With reference to Fig. 2-1 and Fig. 2-2, the rotation becomes the annular stamping parts that stator pressing plate 10 is provided with opening into one；The rotation becomes
The both ends of the opening of stator pressing plate 10 are circumferentially positioned key 101；The rotation, which becomes on the outer shroud circumference of stator pressing plate 10, to be uniformly arranged
There are at least two mounting ears 102, bolt hole 1021 is offered on the mounting ear；With reference to Fig. 3-1 and Fig. 3-2, the rotation set
The both sides of the wire connection terminal 111 of son 11 are provided with and the circumferentially positioned matched circumferentially positioned slot 112 of key 101；Reference Fig. 1,
The circumferentially positioned key 101 is stuck in the circumferentially positioned slot 112.
Specifically, as shown in Figure 1, a kind of rotary transformer provided by the utility model, becomes stator pressing plate 10 including rotation
Become stator 11 with rotation, as shown in Fig. 2-2, rotation becomes the annular stamping parts that stator pressing plate 10 is provided with opening into one, and shape is approximate
For " C " shape, the both ends of the opening of " C " shape stamping parts are circumferentially positioned key 101.Rotation becomes on the outer shroud circumference of stator pressing plate 10 uniformly
At least two mounting ears 102 are provided with, bolt hole 1021 is offered on mounting ear, in fig. 2 by taking three mounting ears 102 as an example,
Three mounting ears 102 are spaced 120 °, and bolt hole 1021 is offered on each mounting ear 102, which is
Unthreaded hole becomes stator pressing plate 10 for fixing the rotation by bolt installation, and the diameter of the bolt hole 1021 is bigger than bolt thread major diameter
0.2mm-0.3mm.As shown in figure 3-2, the both sides of the wire connection terminal 111 of rotation change stator 11 are provided with and circumferentially positioned 101, key
The circumferentially positioned slot 112 matched, with reference to Fig. 1, circumferentially positioned key 101 is stuck in circumferentially positioned slot 112.So as to when rotation becomes stator pressure
After plate is fixed, circumferentially positioned key forms the blocking for becoming stator to rotation in axially position slot, rotation is effectively prevented to become stator, week occurs
To play.
Optionally, with reference to Fig. 2-2, become corresponding with the mounting ear 102 on the inner ring circumference of stator pressing plate 10 in the rotation
Position be provided with axially position boss 103；
With reference to Fig. 3-2, the rotation, which becomes on the excircle seamed edge of stator 11, is provided with stepped groove 113；
The axially position boss 103 is located in the stepped groove 113.
Specifically, as shown in Fig. 2-2, rotation become on the inner ring circumference of stator pressing plate 10 with 102 corresponding position of mounting ear
It installs and is equipped with axially position boss 103, since the pressing force that rotation becomes stator pressing plate is mainly to be generated after being tightened by bolt, thus
In mounting ear corresponding inner ring circumferential position setting axially position boss, it is ensured that the effect of compression, ensure axially position can
By property.As shown in figure 3-2, rotation, which becomes on the excircle seamed edge of stator 11, is provided with stepped groove 113, and axially position boss 103 is located at
In stepped groove 113.So set, axially position boss 103 is positioned in stepped groove 113, prominent corner angle can be avoided to cause
Rotary transformer axial dimension is excessive, it is ensured that outer surface flushes after installation, is more advantageous to whole machine installation.
Optionally, it is reserved with and is no more than between each face of the circumferentially positioned slot 112 and the circumferentially positioned key 101
The gap of 0.2mm.
Specifically, it is reserved between circumferentially positioned slot 112 and each face of circumferentially positioned key 101 no more than 0.2mm
Gap.The gap is the fault-tolerant gap for considering the accuracy of manufacture and setting, and rotation to be controlled to become the position deviation of stator 11, is ensured
The error of zero of every motor is in allowed band.
Optionally, the width of the axially position boss 103 is at least 6mm, and straight less than or equal to the mounting ear 102
Diameter.
Specifically, the width of axially position boss 103 is difficult to ensure that the compression effect of axially position, thus its when too small
Width is at least 6mm, causes seal face excessive again when its width is excessive, and causes the problem of face is with face fit precision, thus
The width is less than or equal to the diameter of mounting ear 102.
In conclusion rotary transformer provided by the utility model has at least the following advantages：
Circumferentially positioned key is set by becoming on stator pressing plate in rotation, rotation is stuck in and becomes in the corresponding keyway of stator, can prevent spin-ended
Become the circumferential play of stator；Rotation becomes stator pressing plate and becomes in stator compaction process with rotation, is compressed using three facets, increases lock
Tight stability avoids becoming stator axially position because influencing rotation when the flatness error of big plane is larger.
With reference to Fig. 4, the utility model embodiment provides a kind of motor again, including end cap 12 and bolt 13, before further including
Any rotary transformer is stated, the rotation becomes stator pressing plate and is fixed on the end cap by the bolt.
As shown in figure 4, the motor of the utility model embodiment, including end cap 12 and bolt 13 and aforementioned any rotation
Change depressor, rotation becomes stator pressing plate 10 and is fixed on end cap 13 by bolt 12.Fig. 5 gives section views of the Fig. 4 along A-A directions
Figure.Further combined with Fig. 2-2 and Fig. 3-2, for the motor of a certain specifications and models, the thickness that rotation becomes stator pressing plate can be into
1.5mm-3mm, the circumferentially positioned width of key D that rotation becomes stator pressing plate 10 can be 2mm-4mm, and rotation becomes the circumferentially positioned keyway of stator 11
Depth F can be 3mm-5mm.Certainly, for the motor of other specifications and models, corresponding size is not suitable for adjusting by above-mentioned, this
Utility model is without limitation.
The utility model embodiment additionally provides a kind of vehicle, and the vehicle includes aforementioned motor.
Motor and vehicle in the utility model embodiment is by applying aforementioned rotary transformer, it is ensured that every motor
In assembling, rotation becomes the position of stator in the range of the site error of permission, so as to make the zero-bit of every motor essentially identical, protects
The interchangeability of motor is demonstrate,proved, and the change for becoming position of stator will not be revolved in use because of motor, and influences the use of motor.Into
The handling stability for improving vehicle of one step, improves ride comfort.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of rotary transformer, which is characterized in that become stator pressing plate including rotation and rotation becomes stator；
The rotation becomes the annular stamping parts that stator pressing plate is provided with opening into one；
The rotation becomes the both ends of the opening of stator pressing plate as circumferentially positioned key；
The rotation, which becomes on the outer shroud circumference of stator pressing plate, is evenly arranged at least two mounting ears, and spiral shell is offered on the mounting ear
Keyhole；
The both sides of wire connection terminal that the rotation becomes stator are provided with and the circumferentially positioned matched circumferentially positioned slot of key；
The circumferentially positioned key is stuck in the circumferentially positioned slot.
2. a kind of rotary transformer according to claim 1, which is characterized in that
Become position corresponding with the mounting ear on the inner ring circumference of stator pressing plate in the rotation and be provided with axially position boss；
The rotation, which becomes on the excircle seamed edge of stator, is provided with stepped groove；
The axially position boss is located in the stepped groove.
3. a kind of rotary transformer according to claim 1, which is characterized in that the circumferentially positioned slot is determined with the circumferential direction
The gap no more than 0.2mm is reserved between each face of position key.
4. a kind of rotary transformer according to claim 2, which is characterized in that the width of the axially position boss is at least
For 6mm, and less than or equal to the diameter of the mounting ear.
5. a kind of motor, including end cap and bolt, which is characterized in that further include the rotation of Claims 1-4 any one of them and become
Depressor；
The rotation becomes stator pressing plate and is fixed on the end cap by the bolt.
6. a kind of vehicle, which is characterized in that the vehicle includes the motor described in claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721852187.3U CN207602371U (en) | 2017-12-26 | 2017-12-26 | A kind of rotary transformer, motor and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721852187.3U CN207602371U (en) | 2017-12-26 | 2017-12-26 | A kind of rotary transformer, motor and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207602371U true CN207602371U (en) | 2018-07-10 |
Family
ID=62768860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721852187.3U Active CN207602371U (en) | 2017-12-26 | 2017-12-26 | A kind of rotary transformer, motor and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207602371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021203793A1 (en) * | 2020-04-07 | 2021-10-14 | 精进电动科技股份有限公司 | Resolver stator positioning press sheet and positioning structure |
-
2017
- 2017-12-26 CN CN201721852187.3U patent/CN207602371U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021203793A1 (en) * | 2020-04-07 | 2021-10-14 | 精进电动科技股份有限公司 | Resolver stator positioning press sheet and positioning structure |
| EP3920376A4 (en) * | 2020-04-07 | 2022-01-19 | Jing-Jin Electric Technologies Co., Ltd | Resolver stator positioning press sheet and positioning structure |
| JP2022531519A (en) * | 2020-04-07 | 2022-07-07 | ジン－ジン エレクトリック テクノロジーズ カンパニー リミテッド | Resolver stator positioning retainer piece and positioning structure |
| JP7238118B2 (en) | 2020-04-07 | 2023-03-13 | ジン－ジン エレクトリック テクノロジーズ カンパニー リミテッド | Resolver stator positioning holding piece and positioning structure |
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