CN216904442U - Tooth yoke separated stator for motor and motor - Google Patents
Tooth yoke separated stator for motor and motor Download PDFInfo
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- CN216904442U CN216904442U CN202220613318.7U CN202220613318U CN216904442U CN 216904442 U CN216904442 U CN 216904442U CN 202220613318 U CN202220613318 U CN 202220613318U CN 216904442 U CN216904442 U CN 216904442U
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Abstract
The utility model belongs to the technical field of motors, and particularly relates to a tooth-yoke separated stator for a motor and the motor. This tooth yoke disconnect-type stator for motor includes: the inner ring wall of the yoke ring is provided with a plurality of inserting grooves; the straight teeth and the bent teeth are arranged at intervals and are in one-to-one corresponding plug connection with the plug grooves; wherein the inner side of the straight tooth or the bent tooth is provided with a rotor hole, and the radius of the rotor hole is R1; the distance from the inner wall of the yoke ring to the rotor hole is L1; the width of the yoke ring is L2; and R1: l1: l2 ═ (2.7-2.8): (1.6-1.8): 1. the utility model has the advantages that the straight teeth and the bent teeth of the tooth-yoke separated stator for the motor are arranged at intervals and are in one-to-one corresponding inserting connection with the inserting grooves, so that the winding can be performed in the winding grooves between the teeth, and then the teeth are inserted and connected with the yoke ring, thereby preventing the wire from being broken, improving the assembly efficiency and saving the winding material.
Description
Technical Field
The utility model belongs to the technical field of motors, and particularly relates to a tooth-yoke separated stator for a motor and the motor.
Background
The teeth and the yokes of the existing motor are integrally formed, the coils are wound in advance, and the coils are pressed into the winding grooves between the teeth from the notches between the teeth through a special tool, so that the process is high in wire breakage rate, low in coil utilization rate and cost-wasting.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tooth-yoke separated stator for a motor and the motor, so as to solve the technical problems.
In order to solve the above technical problem, the present invention provides a tooth-yoke separated stator for a motor, comprising: the inner ring wall of the yoke ring is provided with a plurality of inserting grooves; the straight teeth and the bent teeth are arranged at intervals and are in one-to-one corresponding inserting connection with the inserting grooves; wherein the inner side of the straight tooth or the bent tooth is provided with a rotor hole with the radius of R1; the distance from the inner wall of the yoke ring to the rotor hole is L1; the width of the yoke ring is L2; and R1: l1: l2 ═ (2.7-2.8): (1.6-1.8): 1.
furthermore, the number of the straight teeth and the bent teeth is 8.
Furthermore, the gap between the notches between the adjacent straight teeth and bent teeth is 0.3 mm-1.2 mm.
Further, the gap of the notch between the adjacent straight teeth and bent teeth is 0.5 mm.
In yet another aspect, the present invention also provides a motor, including: the tooth-yoke separated stator for the motor as described above; and a rotor located within the rotor bore; wherein the radius of the rotor is R2, and R1-R2 are 0.18 mm-0.20 mm.
Further, 22 rotor grooves are formed in the outer edge of the rotor; the rotor slots have a slot length of L3, and L3: r2 ═ 1: 3.
Further, the rotor groove comprises a bottom circular groove, a transition groove, a shoulder groove and a rotor notch along the direction from the inner ring to the outer ring of the rotor; wherein the radius of the bottom circular groove is R3; the shoulder slot has a width of L4; and R3: l4 ═ 12: 35.
Further, 22 rotor grooves are formed in the outer edge of the rotor; the rotor slots have a slot length of L3, and L3: r2 is 1 (4.61-4.62).
Further, the rotor groove comprises a bottom circular groove, a transition groove, a shoulder groove and a rotor notch along the direction from the inner ring to the outer ring of the rotor; wherein the radius of the bottom circular groove is R3; the shoulder slot has a width of L4; and R3: l4 ═ 0.7: 1.
Further, the width L5 of the rotor notch is 0.5mm, and the length L6 is 0.6 mm.
The utility model has the advantages that the straight teeth and the bent teeth of the tooth-yoke separated stator for the motor are arranged at intervals and are in one-to-one corresponding inserting connection with the inserting grooves, so that the winding can be performed in the winding grooves between the teeth, and then the teeth are inserted and connected with the yoke ring, thereby preventing the wire from being broken, improving the assembly efficiency and saving the winding material.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a split yoke tooth stator for a motor of the present invention;
fig. 2 is a schematic view of a yoke ring of a tooth-yoke split stator for a motor of the present invention;
FIG. 3 is a schematic view of an alternative embodiment of a rotor of the electric machine of the present invention;
FIG. 4 is a schematic view of the rotor slot of FIG. 3;
FIG. 5 is a schematic view of yet another alternative embodiment of a rotor of the electric machine of the present invention;
fig. 6 is a schematic view of the rotor slot of fig. 5.
In the figure:
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 and 2, the present embodiment provides a tooth-yoke split stator for a motor, including: the inner ring wall of the yoke ring 1 is provided with a plurality of inserting grooves 11; the straight teeth 21 and the bent teeth 22 are arranged at intervals and are in one-to-one corresponding inserting connection with the inserting grooves 11; wherein, the inner side of the straight tooth 21 or the bent tooth 22 is provided with a rotor hole 3 with the radius of R1; the distance from the inner wall of the yoke ring 1 to the rotor hole 3 is L1; the width of the yoke ring 1 is L2; and R1: l1: l2 ═ (2.7-2.8): (1.6-1.8): 1.
in the embodiment, the straight teeth 21 and the bent teeth 22 of the motor tooth-yoke separation type stator are arranged at intervals and are in one-to-one corresponding plug connection with the plug slots 11; in the actual assembly process, the winding can be firstly performed in the winding grooves between the teeth, and then the teeth are connected with the yoke ring 1 in an inserting manner, so that the wire breakage can be prevented, the assembly efficiency is improved, and the winding material is saved; in addition, the sizes of R1, L1 and L2 are matched, so that winding slots with enough area can be formed between the teeth, and the requirement of the number of turns of the coil is met; in addition, the stator and rotor fit of this size can improve motor efficiency.
In the present embodiment, the number of the straight teeth 21 and the bent teeth 22 is 8; a four-pole motor can be constructed.
In this embodiment, preferably, the gap between the notches 23 between the adjacent straight teeth 21 and bent teeth 22 is 0.3mm to 1.2mm, so that the magnetic circuit of the stator can be smooth, thereby improving the efficiency of the motor.
In the present embodiment, it is preferable that the gap of the notch 23 between the adjacent straight teeth 21 and bent teeth 22 is 0.5 mm.
Example 2
On the basis of embodiment 1, the present embodiment provides a motor including: the tooth yoke split stator for a motor according to embodiment 1; and a rotor 4 located within the rotor bore 3; wherein the radius of the rotor 4 is R2, and R1-R2 are 0.18 mm-0.20 mm.
In the present embodiment, 0.18mm to 0.20mm is an assembly gap between the stator and the rotor.
In the present embodiment, as shown in fig. 3 and 4, as an alternative embodiment of the rotor 4, the outer edge of the rotor 4 is provided with 22 rotor grooves 41; the rotor slot 41 has a slot length of L3, and L3: r2 ═ 1: 3.
In the present embodiment, optionally, the rotor groove 41 includes a bottom circular groove 411, a transition groove 412, a shoulder groove 413, and a rotor notch 414 in the inner-to-outer-ring direction of the rotor 4; wherein the radius of the bottom circular slot 411 is R3; the shoulder groove 413 has a width L4; and R3: l4 ═ 12: 35.
The rotor 4 of the embodiment is matched with the stator, so that the motor can be applied to occasions with the rotating speed of more than 1100r/pm, and the motor efficiency is higher.
In the present embodiment, as shown in fig. 5 and 6, as a further alternative embodiment of the rotor 4, the outer edge of the rotor 4 is provided with 22 rotor grooves 41; the rotor slot 41 has a slot length of L3, and L3: r2 is 1 (4.61-4.62).
In the present embodiment, optionally, the rotor groove 41 includes a bottom circular groove 411, a transition groove 412, a shoulder groove 413, and a rotor notch 414 in the inner-to-outer-ring direction of the rotor 4; wherein the radius of the bottom circular slot 411 is R3; the shoulder groove 413 has a width L4; and R3: l4 ═ 0.7: 1.
The rotor 4 of the embodiment is matched with the stator, can be applied to occasions with the rotating speed less than 1100r/pm, and has higher motor efficiency.
In this embodiment, the width L5 of the rotor slot 414 is preferably 0.5mm, and the length L6 is preferably 0.6mm, so as to improve the motor efficiency.
In summary, the straight teeth 21 and the bent teeth 22 of the tooth-yoke separated stator for the motor are arranged at intervals and are in one-to-one corresponding plug-in connection with the plug-in slots 11; in the actual assembly process, the winding can be firstly performed in the winding grooves between the teeth, and then the teeth are connected with the yoke ring 1 in an inserting manner, so that the wire breakage can be prevented, the assembly efficiency is improved, and the winding material is saved; in addition, the sizes of R1, L1 and L2 are matched, so that winding slots with enough area can be formed between the teeth, and the requirement of the number of turns of the coil is met; in addition, the stator and the rotor with the size can be matched to improve the efficiency of the motor; the motor can be applied to different occasions by matching different types of rotor groove types, and the motor can obtain higher efficiency.
The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.
In the description of the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A split-tooth-yoke stator for a motor, comprising:
the inner ring wall of the yoke ring (1) is provided with a plurality of inserting grooves (11);
the straight teeth (21) and the bent teeth (22) are arranged at intervals and are in one-to-one corresponding inserting connection with the inserting grooves (11); wherein
The inner side of the straight tooth (21) or the bent tooth (22) is provided with a rotor hole (3), and the radius of the rotor hole is R1;
the distance from the inner wall of the yoke ring (1) to the rotor hole (3) is L1;
the width of the yoke ring (1) is L2; and
R1：L1：L2＝(2.7～2.8)：(1.6～1.8)：1。
2. a split-tooth-yoke stator for a motor according to claim 1,
the number of the straight teeth (21) and the number of the bent teeth (22) are 8.
3. A split-tooth-yoke stator for a motor according to claim 1,
the gap of the notch (23) between the adjacent straight teeth (21) and the bent teeth (22) is 0.3 mm-1.2 mm.
4. A tooth yoke split stator for a motor in accordance with claim 3,
the gap of the notch (23) between the adjacent straight teeth (21) and the bent teeth (22) is 0.5 mm.
5. An electric machine, comprising:
a tooth-yoke split stator for a motor according to any one of claims 1 to 4; and
a rotor (4) located within the rotor bore (3); wherein
The radius of the rotor (4) is R2, and R1-R2 are 0.18 mm-0.20 mm.
6. The electric machine of claim 5,
the outer edge of the rotor (4) is provided with 22 rotor grooves (41);
the rotor groove (41) has a groove length of L3, and L3: r2 ═ 1: 3.
7. The electric machine of claim 6,
the rotor groove (41) comprises a bottom circular groove (411), a transition groove (412), a shoulder groove (413) and a rotor notch (414) along the direction from the inner ring to the outer ring of the rotor (4); wherein
The radius of the bottom circular groove (411) is R3;
the shoulder groove (413) has a width of L4; and
R3：L4＝12:35。
8. the electric machine of claim 5,
the outer edge of the rotor (4) is provided with 22 rotor grooves (41);
the rotor groove (41) has a groove length of L3, and L3: r2 is 1 (4.61-4.62).
9. The electric machine of claim 8,
the rotor groove (41) comprises a bottom circular groove (411), a transition groove (412), a shoulder groove (413) and a rotor notch (414) along the direction from the inner ring to the outer ring of the rotor (4); wherein
The radius of the bottom circular groove (411) is R3;
the shoulder groove (413) has a width of L4; and
R3：L4＝0.7:1。
10. the electrical machine according to claim 7 or 9,
the width L5 of the rotor notch (414) is 0.5mm, and the length L6 is 0.6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220613318.7U CN216904442U (en) | 2022-03-18 | 2022-03-18 | Tooth yoke separated stator for motor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220613318.7U CN216904442U (en) | 2022-03-18 | 2022-03-18 | Tooth yoke separated stator for motor and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216904442U true CN216904442U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220613318.7U Active CN216904442U (en) | 2022-03-18 | 2022-03-18 | Tooth yoke separated stator for motor and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216904442U (en) |
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2022
- 2022-03-18 CN CN202220613318.7U patent/CN216904442U/en active Active
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