CN216162482U

CN216162482U - Novel stator of external rotor motor

Info

Publication number: CN216162482U
Application number: CN202122259493.9U
Authority: CN
Inventors: 孙向阳; 唐勇
Original assignee: Changzhou Hengyi Motor Co ltd
Current assignee: Changzhou Hengyi Motor Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-04-01
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a novel stator of an external rotor motor, relates to the technical field of external rotor motor stators, and aims to solve the problems that the existing external rotor motor stator is complex in installation and operation, and the coaxiality of a front bearing and a rear bearing is difficult to guarantee due to the fact that a rear shaft bearing is matched with a framework through a support. The motor stator structure comprises a motor stator framework, and is characterized in that a plurality of wire group mounting grooves are formed in the inner wall of the motor stator framework, a stator wire group is wound inside the wire group mounting grooves, a motor outer protective cover is arranged at one end of the motor stator framework, a second plastic sealing ring is arranged in front of the motor outer protective cover and the motor stator framework, a first plastic sealing ring is arranged on the other end face of the motor stator framework, a fixed connecting seat is integrally connected with the middle shaft position of the inner side end face of the motor outer protective cover, and a rotary middle shaft is inserted into a mounting hole in the middle shaft position of the fixed connecting seat.

Description

Novel stator of external rotor motor

Technical Field

The utility model relates to the technical field of external rotor motor stators, in particular to a novel stator of an external rotor motor.

Background

The motor is used as a power source widely applied in the modern industry, has irreplaceable effect on industrial production, along with the development of science and technology, the types of the motor are more and more, wherein the motor comprises an inner rotor motor and an outer rotor motor, and the motor is composed of a stator and a rotor.

The existing external rotor motor stator is complex in installation and operation, and the rear shaft bearing is matched with the framework through the bracket, so that the coaxiality of the front bearing and the rear bearing is difficult to ensure; therefore, the market urgently needs to develop a novel stator of an outer rotor motor to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel stator of an outer rotor motor, which aims to solve the problems that the existing stator of the outer rotor motor in the background technology is complex in installation and operation, and the coaxiality of a front bearing and a rear bearing is difficult to guarantee due to the fact that the rear shaft bearing is matched with a framework through a support.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel stator of external rotor electric machine, includes motor stator skeleton, be provided with a plurality of group mounting grooves on motor stator skeleton's the inner wall, the inside winding of group mounting groove has the stator group, motor stator skeleton's one end is provided with the motor outer shield, install second plastic sealing ring before motor outer shield and the motor stator skeleton, be provided with first plastic sealing ring on motor stator skeleton's another terminal surface.

Preferably, a fixed connecting seat is integrally connected to a middle shaft of the inner side end face of the outer guard of the motor, and a rotating middle shaft is inserted into a mounting hole in the middle shaft of the fixed connecting seat.

Preferably, a plurality of limiting connecting blocks are integrally connected to one end face of the first plastic sealing ring.

Preferably, a plurality of heat dissipation through holes are formed in the outer surface of the outer shield of the motor.

Preferably, the inner wall of the outer shield of the motor is provided with a limiting protruding structure, the side surface of the second plastic sealing ring is provided with a limiting groove, and the limiting protruding structure is buckled inside the limiting groove.

Preferably, a plurality of the heat dissipation through holes are circularly arrayed on the central axis of the outer shield of the motor.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model discloses a through set up a plurality of group mounting grooves on the inner wall of motor stator skeleton, the inside winding of group mounting groove has the stator group, motor stator skeleton's one end is provided with the motor outer shield, install the second plastic sealing ring before motor outer shield and the motor stator skeleton, be provided with first plastic sealing ring on the other end face of motor stator skeleton, this can be convenient twine the stator group in the group mounting groove on motor stator skeleton inner wall, the simple operation, simultaneously motor stator skeleton, motor outer shield, first plastic sealing ring, the connection is convenient between the second plastic sealing ring, and can carry out whole pressfitting through the external molding equipment and fix, make the wholeness can be superior to traditional motor, the practicality of this stator is effectively improved, the installation technology is also effectively simplified simultaneously, and can effectively replace the mode of traditional motor at both ends installation guard shield, and then the problem that the coaxiality of the front bearing and the rear bearing is difficult to guarantee because the rear shaft bearing is matched with the framework through the support in the traditional motor is effectively avoided.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention.

In the figure: 1. a motor stator frame; 2. an outer shield of the motor; 3. fixing the connecting seat; 4. rotating the middle shaft; 5. a wire group mounting groove; 6. a stator wire group; 7. a first plastic sealing ring; 8. a second plastic sealing ring; 9. a limiting connecting block; 10. and the heat dissipation through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, an embodiment of the present invention is shown: a novel stator of an external rotor motor comprises a motor stator framework 1, wherein a plurality of wire group installation grooves 5 are formed in the inner wall of the motor stator framework 1, a stator wire group 6 is wound in each wire group installation groove 5, a motor outer cover 2 is arranged at one end of the motor stator framework 1, a second plastic sealing ring 8 is arranged in front of the motor outer cover 2 and the motor stator framework 1, a first plastic sealing ring 7 is arranged on the other end face of the motor stator framework 1, a fixed connecting seat 3 is integrally connected with the middle shaft of the inner side end face of the motor outer cover 2, a rotary middle shaft 4 penetrates through an installation hole in the middle shaft of the fixed connecting seat 3, the stator wire group 6 can be conveniently wound in the wire group installation grooves 5 in the inner wall of the motor stator framework 1, the operation is convenient, and meanwhile, the connection among the motor stator framework 1, the motor outer cover 2, the first plastic sealing ring 7 and the second plastic sealing ring 8 is convenient, and can carry out whole pressfitting through outside former fixed for the wholeness can be superior to traditional motor, the effectual practicality that improves this stator, the effectual installation technology of having simplified simultaneously to and can effectually replace the mode of traditional motor at both ends installation guard shield, and then the effectual rear axle bearing of avoiding in the traditional motor passes through support and skeleton cooperation, hardly guarantees the problem of preceding, rear bearing axiality.

Further, an end face of the first plastic sealing ring 7 is integrally connected with a plurality of limiting connecting blocks 9, a plurality of heat dissipation through holes 10 are formed in the outer surface of the outer motor protective cover 2, and the plurality of heat dissipation through holes 10 are arrayed in a circular mode with the central axis of the outer motor protective cover 2.

Further, be provided with spacing protrusion structure on the inner wall of motor outer shield 2, be provided with spacing recess on the side surface of second plastic sealing ring 8, and spacing protrusion structure buckle is in the inside of spacing recess.

The working principle is as follows: during the use, earlier in stator line group 6 winding in group mounting groove 5 on motor stator skeleton 1 inner wall, then install first plastic sealing ring 7 and second plastic sealing ring 8 at motor stator skeleton 1's both ends in proper order again, install rotatory axis 4 inside fixed connection seat 3 of axis position department in motor outer shield 2 inner walls after that, then install motor outer shield 2 in the one end of second plastic sealing ring 8, place the motor stator who assembles in the former after that, it is fixed to carry out whole pressfitting to this motor stator through former, make this motor stator integral connection fixed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel stator of external rotor electric machine, includes motor stator skeleton (1), its characterized in that: be provided with a plurality of group mounting grooves (5) on the inner wall of motor stator skeleton (1), the inside winding of group mounting groove (5) has stator group (6), the one end of motor stator skeleton (1) is provided with motor outer cover (2), install second plastic sealing ring (8) before motor outer cover (2) and motor stator skeleton (1), be provided with first plastic sealing ring (7) on another terminal surface of motor stator skeleton (1).

2. The novel stator of the external rotor motor as claimed in claim 1, wherein: the motor outer shield (2) is characterized in that a fixed connecting seat (3) is integrally connected to the middle shaft of the inner side end face of the motor outer shield, and a rotary middle shaft (4) penetrates through a mounting hole in the middle shaft of the fixed connecting seat (3).

3. The novel stator of the external rotor motor as claimed in claim 1, wherein: and one end surface of the first plastic sealing ring (7) is integrally connected with a plurality of limiting connecting blocks (9).

4. The novel stator of the external rotor motor as claimed in claim 1, wherein: the outer surface of the outer motor shield (2) is provided with a plurality of heat dissipation through holes (10).

5. The novel stator of the external rotor motor as claimed in claim 1, wherein: the motor outer shield is characterized in that a limiting protruding structure is arranged on the inner wall of the motor outer shield (2), a limiting groove is formed in the side surface of the second plastic sealing ring (8), and the limiting protruding structure is buckled inside the limiting groove.

6. The novel stator of the external rotor motor as claimed in claim 4, wherein: the plurality of heat dissipation through holes (10) are arrayed in a circular mode with the central axis of the outer shield (2) of the motor.