CN217984711U

CN217984711U - Motor stator with good stability

Info

Publication number: CN217984711U
Application number: CN202222233991.0U
Authority: CN
Inventors: 张斌; 林石祖
Original assignee: Fujian Minguang Motor Co ltd
Current assignee: Fujian Minguang Motor Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-12-06
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a motor stator with good stability, which belongs to the technical field of motors and comprises a framework component, wherein the framework component is formed by overlapping a plurality of groups of disc-shaped unit sheet rings, the uniform circumferential array on the inner wall of each unit sheet ring is provided with a convex part, and the unit sheet rings are uniformly provided with through holes for overlapping and fixing the plurality of groups of unit sheet rings; the wire turn assembly comprises an upper end part, a lower end part and winding coils wound on the upper end part and the lower end part, a connecting through groove matched with the protruding part is formed in the center of the upper end part and the center of the lower end part, and the wire turn assembly corresponds to the protruding part one by one; it can realize setting up coil and skeleton separation, can separate alone as required and change for the later maintenance cost is lower, utilizes the bolt to fix the skeleton simultaneously, also further consolidates with the iron core simultaneously, and overall stability is higher, and life is longer.

Description

Motor stator with good stability

Technical Field

The utility model relates to the technical field of electric machines, more specifically say, relate to a good motor stator of stability.

Background

The stator is the stationary part of the motor. The stator consists of three parts, namely a stator iron core, a stator winding and a machine base. The main function of the stator is to generate a rotating magnetic field, and the main function of the rotor is to be cut by magnetic lines of force in the rotating magnetic field to generate (output) current.

The stator mainly comprises iron core, coil, skeleton etc. usually, and traditional stator coil all is direct winding on the skeleton basically, and this kind of structure just causes one of them problem of coil or skeleton, just needs to change whole stator, and the replacement cost is higher, and the motor estimation generally all is annular lamination structure simultaneously, only relies on the winding of coil to fix, receives the influence of factors such as external force striking to take place the separation easily, and stability is relatively poor.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a good motor stator of stability, it can realize setting up coil and skeleton separation, can separate alone as required and change for the later maintenance cost is lower, utilizes the bolt to fix the skeleton simultaneously, also further consolidates with the iron core simultaneously, and overall stability is higher, and life is longer.

2. Technical scheme

In order to solve the problem, the utility model adopts the following technical proposal.

A motor stator with good stability comprises a framework assembly, wherein the framework assembly is formed by overlapping a plurality of groups of disc-shaped unit sheet rings, bulges are uniformly arranged on the inner wall of each unit sheet ring in a circumferential array, and through holes for overlapping and fixing the plurality of groups of unit sheet rings are uniformly formed in each unit sheet ring;

the wire turn assembly comprises an upper end portion, a lower end portion and winding coils wound on the upper end portion and the lower end portion, and a connecting through groove matched with the protruding portion is formed in the centers of the upper end portion and the lower end portion.

Furthermore, the wire turn assemblies correspond to the protruding portions one by one, and one wire turn assembly is arranged on each group of overlapped protruding portions.

Furthermore, the upper end part and the lower end part are of an integrally formed structure, and the lower end part is in a trapezoidal table shape and gradually reduces in length towards the circle center of the unit sheet ring.

Further, the number of the through holes is twice the number of the projections, and half of the through holes are matched with the projections.

Furthermore, the through hole is provided with a plurality of groups of fastening bolts for overlapping the unit sheet rings and a long bolt connected with the stator core, and the fastening bolts are arranged on the through hole matched with the protruding part.

Furthermore, the bulge is provided with an end towards one end of the circle center of the unit sheet ring, the width of the end is smaller than that of the bulge, and an arc-shaped edge groove is formed in the inner side of the end.

Furthermore, the circumference of the outer side surface of the unit sheet ring is uniformly provided with limit grooves, the number of the limit grooves is consistent with that of the convex parts, and the limit grooves are arranged between every two adjacent convex parts.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) This scheme is provided with fastening bolt, can consolidate stacking between the unit piece circle, make it disperse easily, fastening bolt is corresponding with the position of bulge simultaneously, can make the coincide of bulge inseparabler, the upper end cup joints further on the bulge and consolidates simultaneously, can further improve coincide stability, cooperation stay bolt and spacing groove can further fix the device and iron core simultaneously, it is more stable to make each subassembly connect in the motor, stability is good during the use.

(2) This scheme sets up the integrated configuration of line circle subassembly and skeleton subassembly disconnect-type, and when one of them goes wrong, usable upper end and lower tip are changed with line circle subassembly and the independent separation of skeleton subassembly to reduce the cost of later maintenance, improved life and use cost.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic view of the framework assembly of the present invention;

fig. 4 is a schematic structural diagram of the wire turn assembly of the present invention.

The reference numbers in the figures illustrate:

1. a unit sheet loop; 2. a projection; 3. a tip; 4. an arc-shaped side groove; 5. a through hole; 6. a limiting groove; 7. an upper end portion; 8. a lower end portion; 9. a winding coil; 10. connecting the through grooves; 11. fastening a bolt; 12. a long bolt.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Example (b):

referring to fig. 1-4, a motor stator with good stability includes a skeleton assembly, the skeleton assembly is formed by overlapping a plurality of sets of disk-shaped unit sheet rings 1, the inner wall of each unit sheet ring 1 is uniformly provided with a circumferential array of protrusions 2, eight protrusions are provided in this embodiment, and through holes 5 for overlapping and fixing the plurality of sets of unit sheet rings 1 are uniformly formed on the unit sheet rings 1;

the wire turn assembly comprises an upper end portion 7, a lower end portion 8 and winding coils 9 wound on the upper end portion 7 and the lower end portion 8, a connecting through groove 10 matched with the protruding portion 2 is formed in the center of the upper end portion 7 and the center of the lower end portion 8, and the upper end portion 7 and the lower end portion 8 can be detachably fixed on the overlapped protruding portion 2 through the connecting through groove 10.

Referring to fig. 1 and 2, each group of overlapped projections 2 is provided with one turn assembly by corresponding the turn assembly to the projections 2 one by one, so that the coil assemblies can be conveniently matched and mounted with each other.

Referring to fig. 1 and 2, the upper end portion 7 and the lower end portion 8 are integrally formed, and the lower end portion 8 is in a step shape, and the length of the lower end portion is gradually reduced towards the center of the unit piece ring 1, so that a sufficient gap can be maintained between adjacent wire turn assemblies, and mutual interference is reduced while installation is facilitated.

Referring to fig. 1 and 3, the number of the through holes 5 is twice of the number of the protrusions 2, sixteen in this embodiment, and half of the through holes 5 are matched with the protrusions 2.

Referring to fig. 1 and 2, the through holes 5 are provided with fastening bolts 11 for overlapping a plurality of sets of unit sheet rings 1 and long bolts 12 connected with the stator core, so that overlapping of the unit sheet rings 1 can be reinforced, the device can be stably connected with the core by using the long bolts 12, and the fastening bolts 11 are arranged on the through holes 5 matched with the bulges 2, so that overlapping of the bulges 2 is tighter when the unit sheet rings 1 are overlapped and reinforced;

wherein, 1 lateral surface circumference of unit piece circle has evenly seted up spacing groove 6, and the quantity of spacing groove 6 is unanimous with the quantity of bulge 2, is eight equally, and sets up between two adjacent bulges 2, can utilize spacing groove 6 and iron core to cooperate when carrying out the coincide to unit piece circle 1 and consolidate, can prescribe a limit to the position of unit piece circle 1, avoids taking place relative rotation for installation stability is higher.

Referring to fig. 1 and 3, a tip 3 is disposed at one end of the protruding portion 2 facing the center of the circle of the unit piece ring 1, and the width of the tip 3 is smaller than that of the protruding portion 2, so that the tip can conveniently penetrate into the connecting through groove 10, and the inner side of the tip is provided with an arc-shaped edge groove 4, and all the arc-shaped edge grooves 4 are combined to form a circular shape, so as to be conveniently matched with the rotor.

When in use: firstly, the unit sheet rings 1 can be stacked and reinforced by the fastening bolts 11, so that the unit sheet rings are not easy to disperse, meanwhile, the fastening bolts 11 correspond to the positions of the convex parts 2, so that the convex parts 2 can be stacked more tightly, and meanwhile, the upper end parts 7 are sleeved on the convex parts 2 for further reinforcement, so that the stacking stability can be further improved;

wherein, through being provided with the integrated configuration of line circle subassembly and skeleton subassembly disconnect-type, when one of them goes wrong, usable upper end 7 and lower tip 8 change the separation alone of line circle subassembly and skeleton subassembly to reduce the cost of later maintenance, improved life and use cost.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A motor stator with good stability is characterized by comprising:

the framework assembly is formed by overlapping a plurality of groups of disc-shaped unit sheet rings (1), bulges (2) are uniformly arranged on the inner wall of each unit sheet ring (1) in a circumferential array, and through holes (5) for overlapping and fixing the plurality of groups of unit sheet rings (1) are uniformly formed in each unit sheet ring (1);

the wire turn assembly comprises an upper end portion (7), a lower end portion (8) and winding coils (9) wound on the upper end portion (7) and the lower end portion (8), and a connecting through groove (10) matched with the protruding portion (2) is formed in the centers of the upper end portion (7) and the lower end portion (8).

2. A good stability stator for an electrical machine according to claim 1, wherein: the wire turn assemblies correspond to the bulges (2) one by one, and one wire turn assembly is arranged on each group of overlapped bulges (2).

3. A good stability stator for an electrical machine according to claim 1, wherein: the upper end portion (7) and the lower end portion (8) are of an integrally formed structure, the lower end portion (8) is in a trapezoidal table shape, and the length of the lower end portion is gradually reduced towards the circle center of the unit sheet ring (1).

4. The stator of the motor with good stability as claimed in claim 1, wherein: the number of the through holes (5) is twice the number of the projections (2), and half of the through holes (5) are matched with the projections (2).

5. A good stability stator for an electrical machine according to claim 1, wherein: be provided with on through-hole (5) and be used for the multiunit the fastening bolt (11) of coincide of cell circle (1) and long bolt (12) that are connected with stator core, fastening bolt (11) set up with bulge (2) assorted on through-hole (5).

6. The stator of the motor with good stability as claimed in claim 1, wherein: the protruding portion (2) is towards one end of the circle center of the unit piece ring (1) and is provided with an end head (3), the width of the end head (3) is smaller than that of the protruding portion (2), and an arc-shaped edge groove (4) is formed in the inner side of the protruding portion.

7. The stator of the motor with good stability as claimed in claim 1, wherein: spacing grooves (6) are evenly formed in the circumference of the outer side face of the unit piece ring (1), the number of the spacing grooves (6) is consistent with that of the protruding portions (2), and the spacing grooves are arranged between every two adjacent protruding portions (2).