CN115603480A

CN115603480A - Drying tunnel inner rotor motor

Info

Publication number: CN115603480A
Application number: CN202211284080.9A
Authority: CN
Inventors: 李英
Original assignee: Ningguo Petten Electric Appliance Co ltd
Current assignee: Anhui Julong Robot Decelerator Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-01-13

Abstract

The invention provides an inner rotor motor of a drying tunnel, which belongs to the technical field of inner rotor motors and overcomes the defect that a stator and a shell of the inner rotor motor of the drying tunnel of the existing clothes dryer can shift, and the inner rotor motor of the drying tunnel comprises a shell, and is characterized in that: the motor casing is connected with a stator core of a motor, the front end of the stator core of the motor casing is provided with a casing shaft extension end clamping position, and the rear end of the stator core of the motor casing is provided with a casing shaft tail end notch clamping position.

Description

Drying tunnel inner rotor motor

Technical Field

The invention belongs to the technical field of inner rotor motors, and particularly relates to an inner rotor motor of a drying tunnel.

Background

The stator of the drying channel inner rotor motor of the clothes dryer is connected with the shell, and the fan is arranged on the machine shaft due to the fact that the rotating speed of the motor is high, axial pulling force can be generated on a stator iron core, the operation time is long, the stator and the shell can be loosened and even can be displaced, and how to increase axial connection rigidity of the existing inner rotor motor and prevent displacement of the stator iron core under the condition that the cost is not increased is achieved.

Disclosure of Invention

The purpose of the invention is: the utility model provides a drying tunnel inner rotor motor to solve the above-mentioned technical problem that exists among the prior art.

According to the above purpose, the basic technical scheme of the invention is as follows: the utility model provides a drying tunnel inner rotor motor, includes the casing, its characterized in that: the motor shell is connected with a stator core of a motor, the front end of the stator core is provided with a shell shaft extension end clamping position, and the rear end of the stator core is provided with a shell shaft tail end notch clamping position.

Furthermore, the shaft extension end of the machine shell is clamped and connected with the end face of the front end of the stator core.

Furthermore, the end part of the shaft extension end of the machine shell, which is abutted against the end surface of the front end of the stator core, is an axial section.

Still further, the axial section is that one end is connected with the casing, and the other end is discontinuous broken end.

Still more specifically, the axial cross section is provided with 2 or more than 2 along the circumferential direction.

Furthermore, the notch at the tail end of the machine shell shaft is clamped and abutted on the end face of the rear end of the stator core.

Furthermore, the end part of the slot at the tail end of the machine shell, which is clamped and abutted on the end surface of the rear end of the stator core, is a radial inward concave side surface.

Still further, the radial inward concave side surface is an arc-shaped cambered surface which is radially connected with the shell.

Still more specifically, the number of the radial inner concave side surfaces is 2 or more than 2.

According to the drying tunnel inner rotor motor, the cast aluminum rotor is concentrically arranged in the stator iron core, the motor shaft is arranged in the middle of the cast aluminum rotor, two ends of the motor shaft are movably arranged at two ends of the shell through bearings, and the motor shaft positioned at the front end of the cast aluminum rotor is further provided with heat dissipation fan blades.

Compared with the prior art, the invention has the advantages and beneficial effects that:

1. the front end of the connection between the shell and the stator core of the motor is provided with a shell shaft extension end clamp position, and the rear end of the connection is provided with a shell shaft tail end notch clamp position, so that the connection rigidity of the stator core and the shell is increased, the possibility of axial displacement of the stator core is prevented, and the service life of the motor is prolonged;

2. the clamping position of the shaft extension end of the machine shell of the invention adopts a section form, increases the air exhaust gap, is beneficial to the heat dissipation of the internal stator and the rotor, and has quick heat dissipation.

3. The notch position of the tail end of the machine shell shaft of the invention adopts a concave arc surface form, which is beneficial to the end surface air suction and prevents water from entering.

Drawings

FIG. 1 is a schematic cross-sectional view of an embodiment of the product of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view of section A-A of FIG. 1;

in the figure: 1. the shaft extension end of the machine shell is clamped; 2. the notch at the tail end of the shell shaft is clamped; 3. a motor shaft; 4. a heat dissipation fan blade; 5. a housing; 6. a stator core; 7. and (3) casting an aluminum rotor.

Detailed Description

Referring to fig. 1 and 2, the embodiment of the invention is a schematic structural diagram of an inner rotor motor of a drying tunnel, the inner rotor motor of the drying tunnel comprises a casing 5, the casing 5 is connected with a stator core 6 of the motor, a cast aluminum rotor 7 is concentrically arranged in the stator core 6, a motor shaft 3 is arranged in the middle of the cast aluminum rotor 7, two ends of the motor shaft 3 are movably mounted at two ends of the casing 5 through bearings, a heat dissipation fan blade 4 is further arranged on the motor shaft 3 at the front end of the cast aluminum rotor 7, a casing shaft extension end clamping position 1 is arranged at the front end of the stator core 6 of the casing 5, and a casing shaft tail end notch clamping position 2 is arranged at the rear end of the stator core 6 of the casing 5.

Casing axle stretch 1 butt of end screens and be in the terminal surface of stator core 6's front end on, the casing axle stretch 1 butt of end screens and be in the terminal surface of stator core 6's front end on the tip be axial section, axial section for one end and casing 5 link to each other, the other end is discontinuous broken end, this kind of structure, the top joint power is big, can effectively prevent breaking away from of stator core 6 and casing 5, axial section circumference correspond and be provided with 2, the strength circumference is balanced like this, more effective power, the fracture department of impact joint can also outwards arrange the heat dissipation capacity, has the heat dissipation of useful inside.

Casing axle tail end notch screens 2 butt be in the terminal surface of stator core 6's rear end on, casing axle tail end notch screens 2 butt be in the terminal surface of stator core 6's rear end on the tip be radial indent side, radial indent side be with the radial continuous circular-arc cambered surface of casing 5, the design of this kind of structure is favorable to following outside tip air-intake, siphons away the heat that produces on cast aluminium rotor 7 and the stator core 6 from the space, radial indent side circumference correspond and be provided with 2, be favorable to the balance.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although used more herein: 1. the extended end of the shell is clamped; 2. the notch at the tail end of the shell shaft is clamped; 3. a motor shaft; 4. a heat dissipation fan blade; 5. a housing; 6. a stator core; 7. cast aluminum rotors, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

The present invention provides a drying tunnel inner rotor motor, which is described above, and the principle and the implementation of the present invention are explained by applying the specific preferred embodiments, and these embodiments are only used to help understanding the principle and the core idea of the present invention, and it should be noted that, for those skilled in the art, the embodiments in the above embodiments may be further combined or replaced, and the present invention may be subjected to several improvements and modifications without departing from the design idea of the present invention, and these improvements and modifications also fall into the protection scope of the claims of the present invention.

Claims

1. The utility model provides a drying tunnel inner rotor motor, includes casing (5), its characterized in that: casing (5) be connected with stator core (6) of motor, casing (5) be in stator core's (6) front end be equipped with the casing axle and stretch end screens (1), casing (5) be in stator core's (6) rear end be equipped with casing axle tail end notch screens (2).

2. A drying tunnel inner rotor motor in accordance with claim 1, characterized by: the machine shell shaft extension end clamp position (1) is abutted against the end face of the front end of the stator iron core (6).

3. A drying tunnel inner rotor motor according to claim 2, wherein: the end part of the machine shell shaft extension end clamping position (1) which is abutted to the end surface of the front end of the stator core (6) is an axial section.

4. A drying tunnel inner rotor motor in accordance with claim 3, characterized by: the axial section is characterized in that one end of the axial section is connected with the shell (5), and the other end of the axial section is a discontinuous broken end.

5. A drying tunnel inner rotor motor in accordance with claim 4, characterized by: the circumference of the axial section is correspondingly provided with 2 or more than 2.

6. A drying tunnel inner rotor motor according to claim 1, wherein: the slot position clamp (2) at the tail end of the machine shell shaft abuts against the end face of the rear end of the stator core (6).

7. An intra-rotor motor in a drying tunnel according to claim 6, wherein: the end part of the clamping position (2) of the notch at the tail end of the machine shell shaft, which is abutted against the end surface of the rear end of the stator core (6), is a radial inward concave side surface.

8. A drying tunnel inner rotor motor in accordance with claim 7, characterized by: the radial concave side surface is an arc-shaped cambered surface which is radially connected with the shell (5).

9. An intra-rotor motor for a drying tunnel according to claim 8, wherein: the number of the radial inner concave side surfaces is 2 or more than 2.

10. A drying tunnel inner rotor motor according to any one of claims 1 to 9, wherein: the motor is characterized in that a cast aluminum rotor (7) is concentrically arranged in the stator core (6), a motor shaft (3) is arranged in the middle of the cast aluminum rotor (7), two ends of the motor shaft (3) are movably arranged at two ends of the shell (5) through bearings, and a heat dissipation fan blade (4) is further arranged at the front end of the cast aluminum rotor (7) on the motor shaft (3).