CN216356259U

CN216356259U - Double-winding DC brushless motor

Info

Publication number: CN216356259U
Application number: CN202122919340.2U
Authority: CN
Inventors: 方晟磊
Original assignee: Dongyang Zhongxing Motor Co ltd
Current assignee: Dongyang Zhongxing Motor Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-04-19
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a double-winding direct-current brushless motor, which relates to the technical field of direct-current motors and aims at solving the problem that the existing direct-current motor is inconvenient to assemble when in use, so that the installation efficiency of the motor is influenced. The utility model has novel structure, is convenient for installing the motor and adjusting the rotating speed of the rotor, improves the practicability of the motor and is suitable for popularization.

Description

Double-winding DC brushless motor

Technical Field

The utility model relates to the technical field of direct current motors, in particular to a double-winding direct current brushless motor.

Background

The dc motor is a rotating electrical machine that can convert dc electrical energy into mechanical energy or vice versa. The motor can realize the mutual conversion of direct current electric energy and mechanical energy. When the motor is used as a motor, the motor is a direct current motor and converts electric energy into mechanical energy; when the generator is operated, the generator is a direct current generator and converts mechanical energy into electric energy.

The existing direct current motor is inconvenient to assemble when in use, thereby influencing the installation efficiency of the motor. Therefore, to solve such problems, we propose a double-winding dc brushless motor.

SUMMERY OF THE UTILITY MODEL

The double-winding brushless direct current motor solves the problem that the existing direct current motor is inconvenient to assemble when in use, so that the installation efficiency of the motor is influenced.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the double-winding direct-current brushless motor comprises a shell, wherein a front cover plate and a rear cover plate are respectively arranged at two ends of the shell, a rotating shaft is rotatably arranged between the front cover plate and the rear cover plate, one end of the rotating shaft penetrates and extends to the outside of one side of the front cover plate, a copper head, a rotor, a bearing and a fan disc are sleeved on the rotating shaft, the fan disc is arranged close to the rear cover plate, the copper head is arranged close to the front cover plate, the rotor is arranged between the copper head and the bearing, an inner cover plate is sleeved on the bearing, two first stators and two second stators which are symmetrically distributed are respectively and fixedly arranged on the circumferential inner wall of the shell, and the rotor is arranged between the first stators and the second stators;

copper head, rotor, bearing and fan dish all are located and set up between front shroud and the back shroud, the bottom of casing is provided with the base, set up a plurality of mounting holes that are the array and distribute on the base.

Preferably, a plurality of radiating holes distributed in an array are formed in the rear cover plate.

Preferably, the circumferential side wall of the casing is provided with a plurality of radiating fins distributed in an array.

Preferably, a plurality of locating holes distributed in an array are arranged among the front cover plate, the casing and the rear cover plate in a penetrating mode, locating rods are arranged in the locating holes, nuts are arranged at two ends of each locating rod in a threaded sleeved mode, and gaskets are arranged between the front cover plate and the nut on the same side as the rear cover plate.

Preferably, a limiting ring is fixedly sleeved at one end of the positioning rod close to the front cover plate, and a plurality of limiting holes matched with the limiting ring are formed in the casing.

Preferably, a controller is arranged on the casing, and the first stator and the second stator are electrically connected with the controller respectively.

The utility model has the beneficial effects that:

1. through setting up a plurality of mounting holes on the base, can improve the stability between base and the mounted position, through setting up locating lever, gasket, nut and spacing ring, earlier inject a plurality of locating levers in a plurality of locating holes on the casing, overlap respectively the cover with front shroud and back shroud between a plurality of locating levers again, overlap the gasket on the locating lever, with the nut spiral shell on the locating lever again, reached the effect of being convenient for install the motor.

2. Through setting up first stator, second stator and controller, can adjust whether establish ties or parallelly connected between first stator and the second stator through the controller to this slew velocity who adjusts the rotor has reached the effect of being convenient for adjust rotor slew velocity.

In conclusion, the direct current motor is convenient to install, the rotating speed of the rotor is convenient to adjust, the practicability of the motor is improved, the problem that the installation efficiency of the motor is influenced due to the fact that the existing direct current motor is inconvenient to assemble when in use is solved, and the direct current motor is suitable for popularization.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a view showing the installation structure of the front cover plate and the rear cover plate according to the present invention;

FIG. 4 is a front cross-sectional view of the present invention;

FIG. 5 is a side cross-sectional view of the present invention.

Reference numbers in the figures: 1. a housing; 2. a base; 3. mounting holes; 4. a front cover plate; 5. a gasket; 6. a nut; 7. positioning a rod; 8. a rotating shaft; 9. a heat sink; 10. a controller; 11. a rear cover plate; 12. heat dissipation holes; 13. a limiting ring; 14. a limiting hole; 15. a rotor; 16. positioning holes; 17. a first stator; 18. a bearing; 19. an inner cover plate; 20. a fan tray; 21. copper heads; 22. a second stator.

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. 1-5, a dual-winding dc brushless motor includes a housing 1, a front cover plate 4 and a rear cover plate 11 are respectively disposed at two ends of the housing 1, a rotating shaft 8 is rotatably disposed between the front cover plate 4 and the rear cover plate 11, one end of the rotating shaft 8 extends to an outside of one side of the front cover plate 4, a copper head 21, a rotor 15, a bearing 18 and a fan disc 20 are sleeved on the rotating shaft 8, the fan disc 20 is disposed near the rear cover plate 11, the copper head 21 is disposed near the front cover plate 4, the rotor 15 is disposed between the copper head 21 and the bearing 18, an inner cover plate 19 is sleeved on the bearing 18, two first stators 17 and two second stators 22 which are symmetrically distributed are respectively fixedly mounted on a circumferential inner wall of the housing 1, the rotor 15 is disposed between the first stator 17 and the second stator 22, the copper head 21, the rotor 15, the bearing 18 and the fan disc 20 are disposed between the front cover plate 4 and the rear cover plate 11, a controller 10 is disposed on the housing 1, first stator 17 and second stator 22 are electric connection between respectively and the controller 10, and the controller 10 can change the circuit connection relation between first stator 17 and the second stator 22, and then can change the slew velocity of rotor 15 through the circuit connection relation of first stator 17 and second stator 22, and the bottom of casing 1 is provided with base 2, has seted up a plurality of mounting holes 3 that are the array and distribute on the base 2.

Referring to fig. 2, a plurality of heat dissipation holes 12 are formed in the rear cover plate 11 and a plurality of heat dissipation fins 9 are formed in the circumferential side wall of the casing 1, so that the heat dissipation efficiency of the motor can be improved.

Referring to fig. 3, at front shroud 4, link up between casing 1 and the back shroud 11 and be provided with a plurality of locating holes 16 that are the array distribution, be provided with locating lever 7 in the locating hole 16, can be convenient for install the both ends of casing 1 with front shroud 4 and back shroud 11, the equal thread bush in both ends of locating lever 7 is equipped with nut 6, all be provided with gasket 5 between front shroud 4 and back shroud 11 and the nut 6 of homonymy, the fixed cover of one end that is close to front shroud 4 at locating lever 7 is equipped with spacing ring 13, and set up a plurality of spacing holes 14 that match with spacing ring 13 on the casing 1, be convenient for carry on spacingly to locating lever 7, it is the same with the length of ensuring that locating lever 7 is located casing 1 both ends.

The working principle is as follows: when the device uses, inject a plurality of locating levers 7 in a plurality of locating holes 16, spacing ring 13 on the locating lever 7 can block into spacing hole 14 on casing 1 this moment, overlap front shroud 4 and back shroud 11 respectively between the both ends of a plurality of locating levers 7, overlap a plurality of gaskets 5 on a plurality of locating levers 7 again, again with nut 6 spiral shell on locating lever 7, can accomplish the installation to the motor, the installation is accomplished the back, according to the user demand, adjust whether establish ties or parallelly connected between first stator 17 and the second stator 22 through controller 10, change rotor 15's slew velocity with this, rotor 15 rotates and drives pivot 8 and rotate, thereby can drive fan disc 20 and rotate, fan disc 20 can be with the heat that produces in the casing 1 outside of discharge casing 12 by louvre.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A double-winding brushless direct-current motor comprises a housing (1) and is characterized in that a front cover plate (4) and a rear cover plate (11) are respectively arranged at two ends of the housing (1), a rotating shaft (8) is rotatably arranged between the front cover plate (4) and the rear cover plate (11), one end of the rotating shaft (8) penetrates through the outer portion of one side of the front cover plate (4), a copper head (21), a rotor (15), a bearing (18) and a fan disc (20) are sleeved on the rotating shaft (8), the fan disc (20) is arranged close to the rear cover plate (11), the copper head (21) is arranged close to the front cover plate (4), the rotor (15) is arranged between the copper head (21) and the bearing (18), an inner cover plate (19) is sleeved on the bearing (18), and two first stators (17) and a second stator (22) which are symmetrically distributed are fixedly arranged on the inner circumferential wall of the housing (1) respectively, the rotor (15) is arranged between the first stator (17) and the second stator (22);

copper head (21), rotor (15), bearing (18) and fan dish (20) all are located and set up between front shroud (4) and back shroud (11), the bottom of casing (1) is provided with base (2), a plurality of mounting holes (3) that are the array and distribute have been seted up on base (2).

2. The brushless dc motor with double windings according to claim 1, wherein the rear cover plate (11) has a plurality of heat dissipation holes (12) arranged in an array.

3. A double winding dc brushless motor according to claim 1, characterized in that the circumferential side wall of the machine housing (1) is provided with a plurality of fins (9) distributed in an array.

4. The dual-winding brushless direct-current motor according to claim 1, wherein a plurality of positioning holes (16) distributed in an array form are formed among the front cover plate (4), the housing (1) and the rear cover plate (11), positioning rods (7) are arranged in the positioning holes (16), nuts (6) are respectively screwed on two ends of each positioning rod (7), and gaskets (5) are respectively arranged between the front cover plate (4) and the rear cover plate (11) and the nuts (6) on the same side.

5. The duplex winding brushless DC motor according to claim 4, wherein a position-limiting ring (13) is fixedly sleeved on one end of the positioning rod (7) close to the front cover plate (4), and a plurality of position-limiting holes (14) matched with the position-limiting ring (13) are formed on the housing (1).

6. The double-winding brushless DC motor according to claim 1, characterized in that the housing (1) is provided with a controller (10), and the first stator (17) and the second stator (22) are electrically connected to the controller (10).