CN214205169U

CN214205169U - Double-shaft outer rotor torque motor structure

Info

Publication number: CN214205169U
Application number: CN202120221556.9U
Authority: CN
Inventors: 吁国水
Original assignee: Shenzhen Jenvos Electromechanical Equipment Co ltd
Current assignee: Shenzhen Jenvos Electromechanical Equipment Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-09-14
Anticipated expiration: 2031-01-27

Abstract

The utility model relates to the field of personal mobile power supply equipment, in particular to a motor structure of double-shaft outer rotor torque, which comprises a motor shell, an output main shaft, a bearing assembly, a motor stator core, a coil assembly and a rotor magnetic shoe; the utility model discloses an among the concrete implementation process, wholly adopt the design of symmetry formula, the output main shaft is worn to establish through the through-type, stretch out motor housing's both ends, the output environment of the further firm motor of bearing assembly of duplex bearing about the assembly, it is smooth and easy to guarantee the rotation of its main shaft, the inside operational environment who has guaranteed the motor of match dustproof oil blanket simultaneously is stable, motor housing is integral device, through the design of the whole symmetry formula of rotor yoke cooperation, make the motor atress balanced, reduce whole pressure to the main shaft, further improvement the stability of motor, reduce maintenance and maintenance cost.

Description

Double-shaft outer rotor torque motor structure

Technical Field

The utility model relates to an exhaust fan drive device field especially relates to a motor structure of biax external rotor moment.

Background

The movable fan is characterized in that the motor is required to be installed horizontally due to the characteristics of large diameter, large thickness, thinness, flatness and the like, so that the stress direction of the motor is changed in the operation process of the motor, the balance of the whole fan is easily damaged, and the fan is damaged.

Moreover, the existing motor in the market mostly adopts single-end shaft fixation, so that the whole fan is easy to be stressed unevenly and asymmetrically, and further the whole mechanical fan accessories are damaged. Particularly, the bearing part is most easily damaged, the damaged bearing needs to be frequently replaced, the maintenance is increased, the overall maintenance cost is high, and the operation is unstable.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose lies in developing new-type motor structure, and it adopts symmetrical formula structure, and fixed form is firm, reduces the maintenance cost of overhaul, has guaranteed that whole driving motor's operation is stable.

A motor structure of double-shaft outer rotor torque comprises a motor shell, an output main shaft, a bearing assembly, a motor stator core, a coil assembly and a rotor magnetic shoe;

the motor shell comprises a motor upper cover, a motor upper cover and a rotor magnetic yoke, the motor upper cover and the motor lower cover are assembled and connected through the rotor magnetic yoke, the output spindle penetrates through the circle centers of the motor upper cover and the motor lower cover, and the connection position of the output spindle is protected and sealed through a dustproof oil seal; the bearing assembly is arranged in the motor shell and used for rotationally fixing the output main shaft;

the motor stator iron cores are sleeved on an iron core anti-falling support, and the iron core anti-falling support is fixed on the output main shaft through a stop pin matching device; the rotor magnetic shoe is attached and fixed on the inner ring wall of the rotor magnetic yoke;

further, the bearing assembly comprises an upper bearing and a lower bearing, the upper bearing is embedded in the upper cover of the motor, and the lower bearing is embedded in the lower cover of the motor;

furthermore, an assembly thread and a flat bayonet are also arranged on the output main shaft;

furthermore, the rotor magnetic shoe is made of neodymium iron boron;

furthermore, the coil assembly is an enameled round copper wire and is uniformly wound on a stator iron core of the motor;

the utility model has the advantages that:

the utility model discloses an among the concrete implementation process, wholly adopt the design of symmetry formula, output main shaft 1 wears to establish through the through-type, stretch out motor housing's both ends, the output environment of the further firm motor of bearing assembly of duplex bearing about the assembly, it is smooth and easy to guarantee the rotation of its main shaft, the inside operational environment who has guaranteed the motor of match dustproof oil blanket simultaneously is stable, motor housing is integral device, through the design of the whole symmetry formula of rotor yoke cooperation, make the motor atress balanced, reduce whole pressure to the main shaft, further improvement the stability of motor, reduce maintenance and maintenance cost.

Drawings

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

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

fig. 3 is a schematic cross-sectional view of the present invention at fig. 1A-a;

FIG. 4 is an exploded view of the overall structure of the present invention;

reference numerals: 1-output main shaft, 101-assembly thread, 102-flat buckle, 2-upper bearing, 3-lower bearing, 4-motor shell, 41-motor upper cover, 42-motor lower cover, 43-rotor magnetic yoke, 5-dustproof oil seal, 6-motor stator iron core, 7-stop pin, 8-coil component, 9-iron core anti-drop support and 10-rotor magnetic shoe.

Detailed Description

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

Referring to fig. 1-4, a dual-shaft external rotor torque motor structure comprises a motor housing 4, an output spindle 1, a bearing assembly, a motor stator core 6, a coil assembly 8 and a rotor magnetic shoe 10;

the motor housing 4 comprises a motor upper cover 41, a motor upper cover 42 and a rotor magnetic yoke 43, the motor upper cover 41 and the motor lower cover 42 are assembled and connected through the rotor magnetic yoke 43, the output spindle 1 penetrates through the centers of the motor upper cover 41 and the motor lower cover 42, and the connection position is protected and sealed through a dustproof oil seal 5; the bearing assembly is arranged in the motor shell 4 and used for rotationally fixing the output main shaft 1;

the motor stator iron cores 6 are sleeved on an iron core anti-falling support 9, and the iron core anti-falling support 9 is fixed on the output main shaft 1 through a stop pin 7 matched device; the rotor magnetic shoe 10 is attached and fixed on the inner ring wall of the rotor magnetic yoke 43;

further, the bearing assembly comprises an upper bearing 2 and a lower bearing 3, the upper bearing 2 is embedded and installed inside the upper motor cover 41, and the lower bearing 3 is embedded and installed inside the lower motor cover 42;

in this embodiment, the stable operation of output main shaft 1 can be more effectively guaranteed through two bearings arranged up and down, so that the rotation of output main shaft 1 and motor housing 4 is smoother.

Further, the output spindle 1 is also provided with an assembling thread 101 and a flat bayonet 102;

in this embodiment, through assembly thread 101 collocation flat position buckle 102 has guaranteed that the motor can not take place the skew and select the commentaries on classics in long-time operation, and bilateral formula is fixed has guaranteed holistic operation stably.

Further, the rotor magnetic shoe 10 is a magnetic shoe made of neodymium iron boron;

in the present embodiment, the neodymium iron boron is a tetragonal crystal formed of neodymium, iron, and boron (Nd2Fe14B), and has excellent magnetic properties; the rotor magnetic shoe 10 is fixed on the inner ring wall of the rotor magnetic yoke 43 and is at a certain distance from the motor stator core 6.

Further, the coil assembly 8 is an enameled round copper wire, and the coil assembly 8 is uniformly wound on the motor stator core 6;

the utility model discloses an among the concrete implementation process, wholly adopt the design of symmetry formula, output main shaft 1 wears to establish through the through-type, stretch out motor housing 4's both ends, the output environment of the further firm motor of bearing assembly of duplex bearing about the assembly, it is smooth and easy to guarantee the rotation of its main shaft, the inside operational environment who has guaranteed the motor of simultaneous selective dustproof oil blanket 5 is stable, motor housing 4 is integral device, through the whole design of symmetry formula of rotor yoke 43 cooperation, make the motor atress balanced, reduce whole pressure to the main shaft, further improvement the stability of motor, reduce maintenance and maintenance cost.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.

Claims

1. A motor structure of double-shaft outer rotor torque is characterized by comprising a motor shell (4), an output main shaft (1), a bearing assembly, a motor stator core (6), a coil assembly (8) and a rotor magnetic shoe (10);

the motor shell (4) comprises a motor upper cover (41), a motor lower cover (42) and a rotor magnetic yoke (43), the motor upper cover (41) and the motor lower cover (42) are assembled and connected through the rotor magnetic yoke (43), the output spindle (1) penetrates through the circle centers of the motor upper cover (41) and the motor lower cover (42), and the connection position of the output spindle is protected and sealed through a dustproof oil seal (5); the bearing assembly is arranged inside the motor shell (4) and is used for rotationally fixing the output spindle (1);

the motor stator iron cores (6) are sleeved on an iron core anti-falling support (9), and the iron core anti-falling support (9) is matched with equipment through a stop pin (7) and fixed on the output main shaft (1); the rotor magnetic shoe (10) is attached and fixed on the inner ring wall of the rotor magnetic yoke (43).

2. The dual-shaft external rotor torque motor structure as recited in claim 1, wherein the bearing assembly comprises an upper bearing (2) and a lower bearing (3), the upper bearing (2) is embedded and installed inside the motor upper cover (41), and the lower bearing (3) is embedded and installed inside the motor lower cover (42).

3. The dual-shaft external rotor torque motor structure according to claim 1, wherein the output spindle (1) is further provided with an assembling thread (101) and a flat bayonet (102).

4. The dual-shaft external rotor torque motor structure as recited in claim 1, wherein said rotor magnetic shoe (10) is made of neodymium iron boron.

5. The biaxial external rotor torque motor structure according to claim 1, wherein the coil assembly (8) is an enameled round copper wire, and the coil assembly (8) is uniformly wound on the motor stator core (6).