CN215934546U

CN215934546U - Assembled motor stator

Info

Publication number: CN215934546U
Application number: CN202121849924.0U
Authority: CN
Inventors: 沈恩明; 沈以撒
Original assignee: HUZHOU NANYANG ELECTRIC-MOTOR CO LTD
Current assignee: HUZHOU NANYANG ELECTRIC-MOTOR CO LTD
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-03-01
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses an assembled motor stator which comprises a connecting layer (1), wherein a plurality of buckling cavities are annularly distributed on the connecting layer (1), each buckling cavity is connected with a stator core (2) in a buckling mode, and the stator cores (2) are separated from each other. According to the utility model, the stator cores are buckled and connected on the connecting layer, so that the connecting layer can replace the existing annular connecting structure of the stator cores to realize the installation and fixation of the single stator core, thereby omitting the annular connecting structure among the stator cores and greatly reducing the weight of the stator cores and the required raw material cost. The single-tooth stator core can also improve the utilization rate of stamping materials when stamping stock layout, and reduces the generation of waste materials.

Description

Assembled motor stator

Technical Field

The utility model relates to a motor, in particular to a spliced motor stator.

Background

The existing motor stator comprises a stator core of an annular structure, a plurality of tooth bodies are distributed on the stator core in an annular mode, the outside of the stator core is connected with a stator framework, and then a stator winding is formed through warp winding. However, the stator core with the annular structure not only has heavy weight, but also needs relatively more metal material, thereby increasing the raw material cost of the motor stator. On the other hand, the conventional stator core is generally formed by punching, but the stator core has an annular shape, so that the consumption of the core material is increased in the punching process, a lot of waste materials are generated, the material utilization rate is low, and the raw material cost is further increased. Therefore, the existing motor stator has the problems of heavy weight, low material utilization rate and high raw material cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a spliced motor stator. It has the characteristics of light weight, high material utilization rate and low raw material cost.

The technical scheme of the utility model is as follows: pin-connected panel motor stator including the articulamentum, is the annular on the articulamentum and distributes and have a plurality of lock chambeies, and the equal lock of every lock intracavity is connected with stator core, alternate segregation between each stator core.

In the aforementioned pin-connected panel motor stator, stator core includes the iron core tooth, and the one end of iron core tooth is equipped with first tooth top, and the other end of iron core tooth is equipped with the second tooth top, and first tooth top and second tooth top extend to the both ends outside in lock chamber respectively and laminate each other with the lock chamber.

In the assembled motor stator, the first tooth top is provided with the first fastening surface on the side close to the iron core teeth, the second tooth top is provided with the second fastening surface on the side close to the iron core teeth, and the first fastening surface and the second fastening surface are symmetrically arranged on the left side and the right side of the iron core teeth.

In the assembled motor stator, the two ends of the fastening cavity are respectively provided with the first step groove and the second step groove, the inner end of the first step groove is mutually attached to the first fastening surface, the side wall of the first step groove is mutually attached to the first tooth crest, the inner end of the second step groove is mutually attached to the second fastening surface, and the side wall of the second step groove is mutually attached to the second tooth crest.

In the assembled motor stator, the core teeth, the first tooth tops and the second tooth tops are connected with each other in an i-shaped manner.

In the assembled motor stator, the connecting layer is a plastic-coated layer.

In the pin-connected panel motor stator, the articulamentum is stator skeleton, stator skeleton is including dismantling last stator skeleton and the lower stator skeleton of connection, goes up stator skeleton and forms the lock chamber with lower stator skeleton after connecting.

In the assembled motor stator, the upper stator framework and the lower stator framework are respectively provided with the plugboard and the slot which are positioned outside the buckling cavity, and the upper stator framework and the lower stator framework are mutually buckled through the plugboard and the slot.

In the assembled motor stator, the outer part of the stator framework is provided with a plastic coating layer.

Compared with the prior art, the utility model has the following characteristics:

(1) the stator cores are connected with each other through the connecting layers, and the stator cores are separated from each other, so that the connecting layers can replace the annular connecting structure of the existing stator cores to realize the installation and fixation of the single stator core, the annular connecting structure among the stator cores is omitted, and the weight of the stator cores and the required raw material cost are greatly reduced;

(2) the stator core with the original annular structure is split into the single-tooth structure, so that the stator cores can be arranged more tightly during punching and stock layout, waste materials generated in the punching process are reduced, the material utilization rate is improved, and the raw material cost is further reduced;

(3) the stator cores are connected through the plastic-coated layers, so that the stator cores can be buckled and positioned, and the processing efficiency of the motor stator is improved;

(4) the stator iron cores are connected by utilizing the stator framework, so that the connection stability of the stator iron cores after being buckled can be effectively improved, and the stator iron cores are prevented from loosening and moving in the radial direction after being buckled; the plastic coating layer arranged outside the stator framework can improve the rigidity of the motor stator after molding on one hand, and can limit the relative position between the stator core and the stator framework on the other hand, so that the roundness and the concentricity of the stator core after molding are improved;

therefore, the utility model has the characteristics of light weight, high material utilization rate and low raw material cost.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an external view of a stator core;

FIG. 3 is a cross-sectional view of the stator core and connecting layers;

FIG. 4 is a view showing a connecting structure of a stator frame and a stator core in example 2;

FIG. 5 is a partial block diagram of the upper stator frame;

fig. 6 is a partial structural view of the lower stator frame.

The labels in the figures are: 1-connecting layer, 2-stator core, 3-upper stator framework, 4-lower stator framework, 5-plastic-coated layer, 101-first step groove, 102-second step groove, 201-core tooth, 202-first tooth top, 203-second tooth top, 204-first buckling surface, 205-second buckling surface, 301-inserting plate and 401-inserting groove.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model.

Example 1. The assembled motor stator comprises a connecting layer 1, wherein a plurality of buckling cavities are annularly distributed on the connecting layer 1, each buckling cavity is connected with a stator core 2 in a buckling mode, and the stator cores 2 are separated from each other.

Stator core 2 includes iron core tooth 201, and the one end of iron core tooth 201 is equipped with first addendum 202, and the other end of iron core tooth 201 is equipped with second addendum 203, and first addendum 202 and second addendum 203 extend to the both ends outside in lock chamber respectively and laminate each other with the lock chamber.

The first tooth top 202 is provided with a first fastening surface 204 at a side close to the iron core tooth 201, the second tooth top 203 is provided with a second fastening surface 205 at a side close to the iron core tooth 201, and the first fastening surface 204 and the second fastening surface 205 are symmetrically arranged at the left side and the right side of the iron core tooth 201.

The two ends of the buckling cavity are respectively provided with a first step groove 101 and a second step groove 102, the inner end of the first step groove 101 is attached to a first buckling surface 204, the side wall of the first step groove 101 is attached to a first tooth top 202, the inner end of the second step groove 102 is attached to a second buckling surface 205, and the side wall of the second step groove 102 is attached to a second tooth top 203.

The iron core teeth 201, the first tooth tops 202 and the second tooth tops 203 are connected with each other in an I shape.

The connecting layer 1 is a plastic-coated layer.

The working principle of the utility model is as follows: when the stator core is processed, the stator core 2 is firstly stamped into a single tooth-shaped structure. Make stator core 2 accessible end to end reversal, the mode of misplacing from top to bottom arrange side by side when the punching press stock layout to effectively shorten the interval between the adjacent stator core, improve the utilization ratio to the punching press material and reduce the production of waste material, reduce stator core's raw materials cost. After the stator core 2 is molded, the connecting layer 1 is formed by wrapping the outside of the stator core 2 in a plastic mode, so that the stator core 2 can be connected and positioned, and the first tooth top 202 and the second tooth top 203 are matched to form a buckling structure with the stator core 2, so that the stator core 2 is prevented from loosening and disengaging.

Example 2. The assembled motor stator comprises a connecting layer 1, a plurality of buckling cavities are annularly distributed on the connecting layer 1, each buckling cavity is connected with a stator core 2 in a buckling mode, and the stator cores 2 are separated from each other.

The articulamentum 1 is stator skeleton, stator skeleton is including dismantling last stator skeleton 3 and lower stator skeleton 4 of connection, goes up stator skeleton 3 and forms the lock chamber with lower stator skeleton 4 after connecting.

Go up stator skeleton 3 and be equipped with picture peg 301 and slot 401 that are located the lock chamber outside on the stator skeleton 4 down respectively, go up stator skeleton 3 and buckle each other through picture peg 301 and slot 401 between the stator skeleton 4 down.

And a plastic coating layer is arranged outside the stator framework.

This embodiment adopts stator skeleton to connect fixedly with the structure of package plastic layer stator core 2, earlier during the equipment with stator core 2 lock at last stator skeleton 3's lock intracavity, then will lower stator skeleton 4 through picture peg 301 and slot 401's cooperation and the mutual lock of last stator skeleton 3 for the lock chamber can be spacing to stator core 2 after the shaping.

After the stator framework is buckled and molded, plastic coating is carried out on the outer part of the stator framework, and the stator core 2, the upper stator framework 3 and the lower stator framework 4 can be fixed firmly through the plastic coating layer, so that the looseness among all the components is avoided, and the integral rigidity of the motor stator is improved; meanwhile, the plastic-coated layer can limit the radial position of the stator core 2 in the plastic-coated process, so that the roundness and the concentricity of the stator core after plastic coating are improved.

Claims

1. Pin-connected panel motor stator, its characterized in that: including articulamentum (1), it has a plurality of lock chambeies to be annular distribution on articulamentum (1), and the equal lock of every lock intracavity is connected with stator core (2), alternate segregation between each stator core (2).

2. The assembled motor stator of claim 1, wherein: stator core (2) are equipped with first addendum (202) including iron core tooth (201), the one end of iron core tooth (201), and the other end of iron core tooth (201) is equipped with second addendum (203), and first addendum (202) and second addendum (203) extend to the both ends outside in lock chamber respectively and laminate each other with the lock chamber.

3. The assembled motor stator according to claim 2, wherein: the first tooth top (202) is provided with a first buckling surface (204) at one side close to the iron core tooth (201), the second tooth top (203) is provided with a second buckling surface (205) at one side close to the iron core tooth (201), and the first buckling surface (204) and the second buckling surface (205) are symmetrically arranged at the left side and the right side of the iron core tooth (201).

4. The assembled motor stator of claim 3, wherein: the two ends of the buckling cavity are respectively provided with a first step groove (101) and a second step groove (102), the inner end of the first step groove (101) is attached to a first buckling surface (204), the side wall of the first step groove (101) is attached to a first tooth top (202), the inner end of the second step groove (102) is attached to a second buckling surface (205), and the side wall of the second step groove (102) is attached to a second tooth top (203).

5. The assembled motor stator according to claim 2, wherein: the iron core teeth (201), the first tooth tops (202) and the second tooth tops (203) are mutually connected in an I shape.

6. The assembled motor stator of claim 1, wherein: the connecting layer (1) is a plastic-coated layer.

7. The assembled motor stator of claim 1, wherein: the connecting layer (1) is a stator framework, the stator framework comprises an upper stator framework (3) and a lower stator framework (4) which are detachably connected, and the upper stator framework (3) and the lower stator framework (4) form a buckling cavity after being connected.

8. The assembled motor stator of claim 7, wherein: go up stator skeleton (3) and be equipped with picture peg (301) and slot (401) that are located the lock chamber outside on stator skeleton (4) down respectively, go up stator skeleton (3) and down between stator skeleton (4) through picture peg (301) and slot (401) mutual lock.

9. The assembled motor stator of claim 7, wherein: and a plastic coating layer is arranged outside the stator framework.