CN212627622U

CN212627622U - Novel direct current brushless motor structure

Info

Publication number: CN212627622U
Application number: CN202021396865.1U
Authority: CN
Inventors: 伍化载
Original assignee: Dongguan Lichao Information Technology Co ltd
Current assignee: Guangdong Lichao Technology Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-02-26
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a novel brushless DC motor structure, including stator module, hall element and rotor subassembly, stator module includes the base, the fixed iron core that is equipped with of base upper end outer wall, the fixed plastic support that is equipped with of iron core lower extreme, the plastic support bottom suspension is fixed and is equipped with the PCB board, the base internal fixation is equipped with the bearing, the bearing internal fixation is equipped with the pivot, the pivot upper end is equipped with the rotor subassembly, the rotor subassembly includes the frame, the fixed magnetic sleeve that is equipped with of frame inner wall, the fixed magnetic stripe that is equipped with of inner wall in the magnetic sleeve. Has the advantages that: can be through setting up the rotor subassembly inside the stator for brushless motor's the great reduction of volume, thereby can be applicable to in the narrow and small environment in space.

Description

Novel direct current brushless motor structure

Technical Field

The utility model relates to a brushless motor technical field particularly, relates to a novel DC brushless motor structure.

Background

Most of motors of fans used in the electronic industry at present are brushless direct current driving motors, the structure is widely applied to various industries in life, the motor with the structure generally comprises two main components, namely a stator component and a rotor component, the rotor component generally comprises an outer frame, a magnetic sleeve and a magnetic strip, the stator component generally comprises an iron core, a plastic support, a PCB (printed circuit board) and a bearing, the stator component is arranged outside the rotor component, fan blades and a rotor are combined into a whole, the blades are arranged outside the rotor, and although the structure is most widely applied, the occupied space is large in some special environments (such as limited space or structures needing central rotation to generate kinetic energy) and cannot be applied due to the fact that the rotor is arranged outside the rotor.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel brushless DC motor structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel brushless DC motor structure includes stator module, hall element and rotor subassembly, stator module includes the base, the fixed iron core that is equipped with of base upper end outer wall, the fixed plastic support that is equipped with of iron core lower extreme, the fixed PCB board that is equipped with under the plastic support, the base internal fixation is equipped with the bearing, the bearing internal fixation is equipped with the pivot, the pivot upper end is equipped with the rotor subassembly, the rotor subassembly includes the frame, the frame is fixed in the pivot, the fixed magnetic sleeve that is equipped with of frame inner wall, the fixed magnetic stripe that is equipped with of inner wall in the magnetic sleeve.

Further, the rotor assembly comprises an inner frame, the inner frame is fixed to the rotating shaft, a magnetic sleeve is fixedly arranged on the outer wall of the inner frame, and a magnetic strip is fixedly arranged between the magnetic sleeve and the inner frame.

Furthermore, the rotor subassembly includes the inside casing, the inside casing is fixed in the pivot, the inside casing outer wall is fixed and is equipped with the magnetic stripe.

Compared with the prior art, the utility model discloses following beneficial effect has: can be through setting up the rotor subassembly inside the stator for brushless motor's the great reduction of volume, thereby can be applicable to in the narrow and small environment in space.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a sectional view of a conventional motor;

fig. 2 is a top view of a novel dc brushless motor structure according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a novel dc brushless motor structure according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a rotor assembly in a novel dc brushless motor structure according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a rotor assembly in a novel dc brushless motor structure according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a rotor assembly in a novel dc brushless motor structure according to an embodiment of the present invention.

Reference numerals:

1. a stator assembly; 2. a Hall element; 3. a rotor assembly; 4. a base; 5. an iron core; 6. a plastic bracket; 7. a PCB board; 8. a bearing; 9. a rotating shaft; 10. an outer frame; 11. a magnetic sleeve; 12. a magnetic strip; 13. an inner frame.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

please refer to fig. 1-6, according to the embodiment of the present invention, a novel dc brushless motor structure comprises a stator assembly 1, a hall element 2 and a rotor assembly 3, wherein the stator assembly 1 comprises a base 4, an iron core 5 is fixed on the outer wall of the upper end of the base 4, a plastic support 6 is fixed on the lower end of the iron core 5, a PCB board 7 is fixed on the lower portion of the plastic support 6, a bearing 8 is fixed on the base 4, a rotating shaft 9 is fixed on the bearing 8, the rotor assembly 3 is arranged on the upper end of the rotating shaft 9, the rotor assembly 3 comprises an outer frame 10, the outer frame 10 is fixed on the rotating shaft 9, a magnetic sleeve 11 is fixed on the inner wall of the outer frame 10, and a magnetic stripe 12 is fixed on the inner wall.

Through the above technical scheme of the utility model, can be through setting up rotor subassembly 3 inside stator module 1 for brushless motor's the great reduction of volume, thereby can be applicable to in the narrow and small environment in space.

Example two:

referring to fig. 5, for the rotor assembly 3, the rotor assembly 3 includes an inner frame 13, the inner frame 13 is fixed on the rotating shaft 9, a magnetic sleeve 11 is fixed on an outer wall of the inner frame 13, and a magnetic stripe 12 is fixed between the magnetic sleeve 11 and the inner frame 13.

Through the above technical scheme of the utility model, the blade can be fixed at the inside casing 13 inner wall of rotor.

Example three:

referring to fig. 6, for the rotor assembly 3, the rotor assembly 3 includes an inner frame 13, the inner frame 13 is fixed on the rotating shaft 9, and a magnetic stripe 12 is fixed on an outer wall of the inner frame 13.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the rotor assembly 3 can be arranged inside the stator assembly 1, the connection and the principle of an electronic circuit of the brushless motor are the same as those of a conventional motor, and description is omitted here, so that the size of the brushless motor can be greatly reduced, the brushless motor can be suitable for the environment with narrow space, and the brushless motor is suitable for the design of a water pump of a water-cooling radiator and the design of some micro motors or other structural designs which need central driving to generate kinetic energy, in fig. 4, blades can be fixed on the outer wall of the upper end of an outer frame 10, in fig. 5, the blades can be fixed on the inner wall of an inner frame 13 of a rotor, in fig. 6, the inner frame 13 also has the function of a magnetic sleeve 11, and the blades can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel brushless DC motor structure, a serial communication port, including stator module (1), hall element (2) and rotor subassembly (3), stator module (1) includes base (4), the fixed iron core (5) that is equipped with of base (4) upper end outer wall, iron core (5) lower extreme is fixed and is equipped with plastic support (6), plastic support (6) lower extreme is fixed and is equipped with PCB board (7), base (4) internal fixation is equipped with bearing (8), bearing (8) internal fixation is equipped with pivot (9), pivot (9) upper end is equipped with rotor subassembly (3), rotor subassembly (3) are including frame (10), frame (10) are fixed on pivot (9), frame (10) inner wall is fixed and is equipped with magnetic sleeve (11), magnetic sleeve (11) inner wall is fixed and is equipped with magnetic stripe (12).

2. The novel brushless DC motor structure according to claim 1, wherein the rotor assembly (3) comprises an inner frame (13), the inner frame (13) is fixed on the rotating shaft (9), a magnetic sleeve (11) is fixed on the outer wall of the inner frame (13), and a magnetic stripe (12) is fixed between the magnetic sleeve (11) and the inner frame (13).

3. The novel brushless DC motor structure according to claim 1, wherein the rotor assembly (3) comprises an inner frame (13), the inner frame (13) is fixed on the rotating shaft (9), and the outer wall of the inner frame (13) is fixedly provided with a magnetic stripe (12).