CN217335216U

CN217335216U - Stator structure and motor

Info

Publication number: CN217335216U
Application number: CN202121112659.8U
Authority: CN
Inventors: 张宏; 龙汉钊; 胡云
Original assignee: Bedkelly Electric Suzhou Co ltd
Current assignee: Bedkelly Electric Suzhou Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-08-30
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a stator structure, stator structure includes: a stator housing; a stator assembly assembled within the stator housing, the stator assembly comprising: the stator comprises a stator core, an insulating rubber frame, an insulating frame, a stator winding and a wiring assembly, wherein the insulating frame is assembled on a tooth part of the stator core, the stator winding is wound on the insulating frame, the insulating rubber frame is adaptive to and fixed on a yoke part of the stator core, the wiring assembly is arranged above the insulating rubber frame, one end of the wiring assembly is connected with an external driver, and the other end of the wiring assembly is connected to the stator winding; a clamping position is arranged on the stator shell, and the stator core is clamped and fixed on the clamping position; the stator end cover is assembled at the top of the stator shell; and the winding end cover is assembled at the bottom of the stator shell, a sealing groove is formed in the stator shell, a sealing ring is assembled in the sealing groove, and the sealing ring abuts against the winding end cover.

Description

Stator structure and motor

Technical Field

The utility model relates to a technical field is made to the stator, especially relates to a stator structure.

Background

The stator is a stationary part of the motor or the generator, and consists of a stator core, a stator winding, a stator shell and the like. The stator winding is formed by a plurality of coils or coil groups, and is wound on the stator core to form a phase or the whole electromagnetic circuit. The main function of the stator is to generate a rotating magnetic field through the current in the coil, and the rotor is cut by the magnetic lines of force in the rotating magnetic field to generate (output) current. The existing stator is generally assembled with a stator shell after a winding cover is sleeved with a sealing rubber ring, so that the sealing installation of the end part of the stator is realized, but the condition that the sealing rubber ring is abnormal and cannot be installed in place often occurs in the assembling mode.

SUMMERY OF THE UTILITY MODEL

The utility model provides a stator structure, it aims at solving one of the technical problem that exists among prior art or the correlation technique at least.

The technical scheme of the utility model as follows: the utility model provides a stator structure, stator structure includes:

a stator assembly assembled within the stator housing, the stator assembly comprising: the stator comprises a stator core, an insulating rubber frame, an insulating frame, a stator winding and a wiring assembly, wherein the insulating frame is assembled on a tooth part of the stator core, the stator winding is wound on the insulating frame, the insulating rubber frame is adaptive to and fixed on a yoke part of the stator core, the wiring assembly is arranged above the insulating rubber frame, one end of the wiring assembly is connected with an external driver, and the other end of the wiring assembly is connected to the stator winding; a clamping position is arranged on the stator shell, and the stator core is clamped and fixed on the clamping position;

the stator end cover is assembled at the top of the stator shell;

the winding end cover is assembled at the bottom of the stator shell, a sealing groove is formed in the stator shell, a sealing ring is assembled in the sealing groove, and the sealing ring abuts against the winding end cover.

Furthermore, the peripheral edge of the winding end cover extends upwards to form a flange, the flange is arranged corresponding to the sealing groove, and the sealing ring is abutted against the outer wall of the flange.

Furthermore, a plurality of reinforcing ribs are arranged on the winding end cover.

Furthermore, tooth wings are arranged on tooth parts of the stator core and abut against the winding end cover.

Further, the wiring member includes: the copper plate is in a ring shape and is fixed on the insulating glue frame; the wiring frame is arranged in wiring copper top, a plurality of copper posts install in on the wiring frame, each copper post one end electric connection in on the stator winding.

Furthermore, a through hole is formed in the position, corresponding to the copper column, of the stator end cover, and the other end of the copper column penetrates through the stator end cover to be connected with an external driver.

Further, the stator end cover is fixed on the stator shell through a plurality of screws.

The utility model also provides a motor, it is equipped with above stator structure.

According to the above technical scheme, the utility model provides a stator structure and be equipped with this stator structure's motor, stator structure improves prior art, changes the seal groove on the wire winding end cover and establishes on stator housing, and the sealing washer assembles on stator housing earlier, installs the wire winding end cover in stator housing again, when having solved the installation of wire winding end cover among the prior art, and the sealing washer is translocated easily and is leaded to the condition that the installation is not in place. The utility model discloses still set up the screens on stator case, on stator core card established and is fixed in the screens, effectively reduced the heavy burden of wire winding end cover, avoided the long-term atress of wire winding end cover and the condition of warping, improved the life of stator.

Drawings

Fig. 1 is an exploded view of the stator structure of the present invention.

Fig. 2 is a cross-sectional view of the stator structure of the present invention.

Fig. 3 is a three-dimensional enlarged view of the winding end cap of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-2, the utility model relates to a stator structure, stator structure includes: the stator comprises a stator shell 10, a stator assembly 20, a stator end cover 30 and a winding end cover 40, wherein an installation cavity is arranged in the stator shell 10, the stator assembly 20 is installed in the stator shell 10, the stator end cover 30 is assembled at the top of the stator shell 10, and the stator end cover 30 is fixed on the stator shell 10 through four screws 51 in the embodiment. The assembly of wire winding end cover 40 in the bottom of stator casing 10, it is specific, be equipped with seal groove 11 on the stator casing 10, be equipped with sealing washer 12 in the seal groove 11, wire winding end cover 40 assemble in back in the stator casing 10, sealing washer 12 support in on the wire winding end cover 40, realize the fixed and stator casing 10 bottom sealed effect to wire winding end cover 40. Specifically, as shown in fig. 3, an outer peripheral edge of the winding end cap 40 extends upward to form a rib 41, the rib 41 is disposed corresponding to the sealing groove 11, and as shown in fig. 2, the rib 41 abuts against an outer side of the sealing groove 11 to fix the sealing ring 12 in the sealing groove 12. When assembling, install sealing washer 12 in seal groove 11 earlier, then put into winding end cover 40 from stator housing 10's installation cavity again, it is fixed with winding end cover 40 to utilize the barrier portion 13 of stator housing 10 bottom, sealing washer 12 has played the effect of fixed winding end cover 30 and sealed stator housing 10, and this design has avoided setting up the seal groove in winding end cover edge among the prior art, the sealing washer is deviate from easily from the seal groove during installation and is leaded to the dystopy, and make the condition that the winding end cover installation is not in place.

In the prior art, generally, stator module 20 is directly placed into a stator housing, and the weight of a stator core is completely acted on a winding end cover, so that the load of the winding end cover is large, and the winding end cover is easy to deform after being used for a long time, thereby causing damage to a machine. In order to solve this problem, in a preferred embodiment, the stator housing 10 is provided with a detent 15, the detent 15 is a recess disposed on the inner wall of the stator housing 10, and a yoke portion of the stator core is fixed to the detent 15 by being clamped and then fixed by a plurality of screws 52, so that most of the weight of the stator core acts on the stator housing 10, thereby avoiding the deformation of the winding end cover 40 due to long-term load. In another embodiment, as shown in fig. 3, a plurality of reinforcing ribs 42 are further disposed on the winding end cover 40, so as to improve the strength of the winding end cover 40 and also prevent the winding end cover from deforming.

The stator assembly 20 in the present embodiment includes: stator core 21, insulating cement frame 22, insulating skeleton 24, stator winding (not shown) and wiring subassembly 23, insulating skeleton 24 assemble in on stator core 21's the tooth portion 211, the stator winding twine in on the insulating skeleton 24, insulating cement frame 22 adaptation is fixed in on the yoke portion 212 of stator core 12, wiring subassembly 23 is located insulating cement frame 22 top. In this embodiment, tooth wings 213 are fixed to the teeth 211 of the stator core, and the tooth wings 213 abut against the winding end cover 40. The tooth wings 213 play a role in limiting the stator winding, improve the convenience of winding on the iron core and the subsequent reliability of the stator winding, and solve the problems of easy coil collapse and irregular arrangement in the prior art. Specifically, the wiring assembly 23 includes: wiring copper 231, wiring frame 232 and a plurality of copper post 233, wiring copper 231 is a ring shape, wiring copper 231 is fixed in on the insulating cement frame 22, preferably, be equipped with the recess on the insulating cement frame 22, wiring copper 231 adaptation in the recess, and can set up a plurality of archs on the wiring copper 231, corresponding be in set up a plurality of constant head tanks in the recess, a plurality of archs are fixed in a plurality of constant head tanks, play the positioning action to wiring copper 231. The wire holder 232 is disposed above the wire connecting copper plate 231, and a plurality of copper pillars 233 are mounted on the wire holder 232. One end of each copper pillar 233 is electrically connected to the stator winding through a connector (not shown). In this embodiment, the number of the copper pillars 233 is 3, through holes are formed in the stator end cover 30 at positions corresponding to the copper pillars 233, and the other ends of the copper pillars 233 penetrate through the through holes to be connected with an external driver.

The utility model also provides a motor, it includes above stator structure, this motor has solved the problem that prior art well winding end cover assembly does not target in place through setting up this stator structure, and stator structure in this motor is more stable, has improved the stability of motor.

In the description of the present invention, it is to be understood that the terms "top", "bottom", "above", "inside", "outside", and the like refer to orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplification of the description, and do not indicate or imply that the device or element 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. In the description of the present invention, "a plurality" means one or more unless otherwise specified.

To sum up, the utility model discloses a stator structure and motor improve prior art, change the seal groove on the wire winding end cover and establish on stator housing, and the sealing washer assembles earlier on stator housing, installs the wire winding end cover again, and when having solved the installation of wire winding end cover among the prior art, the sealing washer dystopy leads to the condition that the wire winding end cover installation is not in place. The utility model discloses a stator structure still sets up the screens on stator housing, and on the screens was located to the stator core card, effectively reduced the heavy burden of wire winding end cover, avoided the easy condition of warping of wire winding end cover, improved the life of stator. The utility model discloses simple structure nevertheless makes the motor performance obtain promoting by a wide margin, is worth wideling popularize and use.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A stator structure, comprising:

a stator housing;

the stator end cover is assembled at the top of the stator shell;

and the winding end cover is assembled at the bottom of the stator shell, a sealing groove is formed in the stator shell, a sealing ring is assembled in the sealing groove, and the sealing ring abuts against the winding end cover.

2. The stator structure according to claim 1, wherein a peripheral edge of the winding end cap extends upward to form a rib, the rib is disposed corresponding to the sealing groove, and the sealing ring abuts against an outer wall of the rib.

3. The stator structure of claim 2 wherein the winding end cap has a plurality of ribs.

4. The stator structure according to claim 3, wherein teeth of the stator core are provided with teeth wings, and the teeth wings abut against the winding end cover.

5. The stator structure according to claim 1, wherein the wiring member includes: the copper plate is in a ring shape and is fixed on the insulating glue frame; the wiring frame is arranged in wiring copper top, a plurality of copper posts install in on the wiring frame, each copper post one end electric connection in on the stator winding.

6. The stator structure according to claim 5, wherein the stator end cap is provided with a through hole at a position corresponding to the copper pillar, and the other end of the copper pillar penetrates through the stator end cap to be connected with an external driver.

7. The stator structure of claim 1 wherein the stator end cap is secured to the stator housing by a plurality of screws.

8. An electrical machine, characterized in that a stator structure according to any of claims 1-7 is provided.