CN207304177U - Step motor stator and the motor with the stator - Google Patents
Step motor stator and the motor with the stator Download PDFInfo
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- CN207304177U CN207304177U CN201720837240.6U CN201720837240U CN207304177U CN 207304177 U CN207304177 U CN 207304177U CN 201720837240 U CN201720837240 U CN 201720837240U CN 207304177 U CN207304177 U CN 207304177U
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Abstract
It the utility model is related to a kind of step motor stator and the motor with the stator, stator punching including quadrilateral structure, uniformly distributed four stator fixing holes on described four angles of stator punching, the stator punching includes stator main pole A phases and stator main pole B phases, the stator main pole A phases are dispersed with the yoke portion being connected with main pole with both sides on the outside of stator main pole B phases, the stator main pole A phase yoke portions are moved along stator fixing hole direction, the stator main pole A phase yoke portions and the minimum range of stator fixing hole are L1, wherein L1 is the thick degree of stator main pole A phase yokes, the thickness in the stator main pole B phase yokes portion is L0, L1 >=0.8*L0.Compared with prior art, the utility model has the advantages that the precision and stationarity that lift motor operation.
Description
Technical field
The utility model is related to a kind of stepper motor, more particularly, to a kind of step motor stator and with the stator electricity
Machine.
Background technology
Existing two-phase hybrid stepping motor stator laminating structure is illustrated in fig. 1 shown below, and is rushed in the class quadrangle stator of Fig. 1
In piece：
Step motor stator punching 1 has A, B two-phase totally eight main poles, it is along the circumferential direction uniformly distributed, stator main pole A, B's
Outside both sides are dispersed with the stator main pole yoke portion being connected with main pole, A phase main pole yokes portion 3 and 4, B phase main pole yoke portion 6 and 7, stator master
The inner side of pole A, B are evenly distributed with several stator primary minimum teeth 9, and four angles of class quadrangle stepping motor stator core punching are evenly distributed with
Four mounting holes 8.
The connected yoke portion 6,7 of the connected yoke portion 3 of A phases main pole 2,4, B phases main pole 5, both are due to the presence of mounting hole 8, and two
Phase yoke portion thickness is unequal, while the presence of mounting hole 8 can also cause motor magnetic circuit asymmetric, cause the output torque of motor to subtract
The variation of small and running precision and stationarity.
Utility model content
The purpose of this utility model is exactly to provide a kind of stepper motor to overcome the problems of the above-mentioned prior art
Stator and the motor with the stator.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of step motor stator, includes the stator punching of quadrilateral structure, is evenly distributed with described four angles of stator punching
Four stator fixing holes, the stator punching include stator main pole A phases and stator main pole B phases, the stator main pole A phases and stator
Both sides are dispersed with the yoke portion being connected with main pole on the outside of main pole B phases, and the stator main pole A phase yoke portions are along stator fixing hole direction
Mobile, the stator main pole A phase yoke portions and the minimum range of stator fixing hole are L1, and wherein L1 is thick for stator main pole A phases yoke
Thickness, the thickness in the stator main pole B phase yokes portion is L0, L1 >=0.8*L0.
The motor fixing hole is radially moved to the maximum position of quadrangle iron core permission to quadrangle iron core outside.
The area of the stator main pole A phase yokes portion movement is the increased groove area of motor.
The stator fixing hole can remove completely, and the stator punching is fixed by front and rear cover and screw, described
Screw position be original sub- mounting hole position.
The stator main pole A phase yoke portions are moved along former stator fixing hole direction, the stator main pole A phase yoke portions and original
The minimum range of stator fixing hole is L1.
A kind of motor with stator, including rotor, it is characterised in that the motor further includes the stator.
Compared with prior art, the utility model has the following advantages：
(1) symmetry of motor A, B two-phase is improved, lifts the precision and stationarity of motor operation；
(2) groove area of motor is increased, improves the output torque of motor.
Brief description of the drawings
Fig. 1 is existing two-phase hybrid stepping motor stator laminating structure schematic diagram；
Wherein 1 is stator punching, and 2 be stator A phase main poles, and 3,4 be A phase main pole yokes portion, and 5 be stator B phase main poles, and 6,7 are
B phase main pole yokes portion, 8 be mounting hole, and 9 be stator primary minimum tooth.
Fig. 2 is the two-phase hybrid stepping motor stator laminating structure schematic diagram of embodiment 1；
Wherein 12 be the first stator A phase main poles, and 13 and 14 be the first A phase main pole yokes portion, and 18 be the first mounting hole, and 19 be
One dash area；
Fig. 3 is the two-phase hybrid stepping motor stator laminating structure schematic diagram of embodiment 2；
Wherein 22 be the second stator A phase main poles, and 23 and 24 be the 2nd A phase main pole yokes portion, and 28 be former mounting hole.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that described embodiment is the part of the embodiment of the utility model, rather than is all implemented
Example.Based on the embodiment in the utility model, those of ordinary skill in the art institute on the premise of creative work is not made
The every other embodiment obtained, should all belong to the scope of the utility model protection.
In order to reduce the asymmetry of motor magnetic circuit and make full use of class quadrangle stator core stamping sheet.
Embodiment 1
As shown in Fig. 2, the first mounting hole 18 is radially moved to the permission of quadrangle iron core to quadrangle iron core outside
Maximum position, while to 18 direction of the first mounting hole move the first stator A phases main pole 12 yoke portion 13 and 14, ensure this
When the first A phase main pole yoke portions 13 and the minimum range of the 14 to the first mounting hole 18 be L1 (the thick degree L1 of A phase yokes), B phase yokes portion
Thickness is L0, L1 >=0.8*L0, meanwhile, dash area 19 is the increased groove area of motor.L0 is that the minimum yoke of motor demand is thick.
Embodiment 2
As shown in figure 3, on the basis of embodiment 1, motor fixing hole can be removed completely on stator punching, motor
Fixed by front and rear cover and screw, the position of screw is former 28 position of mounting hole.At the same time to former 28 direction of mounting hole
The yoke portion 23 and 24 of mobile second stator A phases main pole 22, the thickness for ensureing the 2nd A phase main pole yokes portion 23 and 24 at this time are L1, B phases
The thickness in yoke portion is L0, L1 >=0.8*L0, meanwhile, dash area 19 is the increased groove area of motor.L0 for motor demand most
Small yoke is thick.
The above, is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in various in the technical scope that the utility model discloses
Equivalent modifications or substitutions, these modifications or substitutions should be covered within the scope of the utility model.Therefore, this practicality
New protection domain should be subject to scope of the claims.
Claims (6)
1. a kind of step motor stator, includes the stator punching of quadrilateral structure, four is evenly distributed with described four angles of stator punching
A stator fixing hole, the stator punching include stator main pole A phases and stator main pole B phases, the stator main pole A phases and stator master
Both sides are dispersed with the yoke portion being connected with main pole on the outside of the B phases of pole, it is characterised in that the stator main pole A phase yokes portion consolidates along stator
Determine hole direction to move, the minimum range of the stator main pole A phase yoke portions and stator fixing hole is L1, and wherein L1 is stator main pole
The thick degree of A phase yokes, the thickness in the stator main pole B phase yokes portion is L0, L1 >=0.8*L0.
A kind of 2. step motor stator according to claim 1, it is characterised in that the motor fixing hole radially to
The maximum position of quadrangle iron core permission is moved on the outside of quadrangle iron core.
3. a kind of step motor stator according to claim 1, it is characterised in that the stator main pole A phase yokes portion moves
Dynamic area is the increased groove area of motor.
4. a kind of step motor stator according to claim 1, it is characterised in that the stator fixing hole can move completely
Remove, the stator punching is fixed by front and rear cover and screw, and the screw position is original sub- mounting hole position.
A kind of 5. step motor stator according to claim 4, it is characterised in that the stator main pole A phase yoke portions edge
Former stator fixing hole direction movement, the stator main pole A phase yoke portions and the minimum range of former stator fixing hole are L1.
6. a kind of motor with stator, including rotor, it is characterised in that the motor, which is further included in claim 1-5, appoints
Stator described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720837240.6U CN207304177U (en) | 2017-07-11 | 2017-07-11 | Step motor stator and the motor with the stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720837240.6U CN207304177U (en) | 2017-07-11 | 2017-07-11 | Step motor stator and the motor with the stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207304177U true CN207304177U (en) | 2018-05-01 |
Family
ID=62450505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720837240.6U Active CN207304177U (en) | 2017-07-11 | 2017-07-11 | Step motor stator and the motor with the stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207304177U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245339A (en) * | 2017-07-11 | 2019-01-18 | 上海鸣志电器股份有限公司 | A kind of step motor stator and the motor with the stator |
-
2017
- 2017-07-11 CN CN201720837240.6U patent/CN207304177U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245339A (en) * | 2017-07-11 | 2019-01-18 | 上海鸣志电器股份有限公司 | A kind of step motor stator and the motor with the stator |
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| GR01 | Patent grant |