CN219458802U - High-torque outer rotor motor - Google Patents

Abstract

The utility model relates to the technical field of motor equipment and discloses a high-torque outer rotor motor, which comprises a main body box, wherein radiating fins are fixedly arranged on the upper side and the lower side of an inner cavity of the main body box, a rotor iron core is fixedly arranged on the inner side of each radiating fin, short circuit rings are fixedly arranged on the left side and the right side of each rotor iron core, a connecting ring is fixedly arranged on the right side of each short circuit ring, and a speed measuring gear is fixedly arranged on the right side of each connecting ring. This high torque external rotor motor, through the setting of main part case, can be convenient for install all kinds of parts, through the setting of fin, can absorb the heat that produces when motor drive, through rotor core's setting, can provide power production for whole device, through the setting of short circuit ring, can prevent to appear the short circuit, through the setting of go-between, the speed measuring gear of being convenient for is convenient for, through the setting of speed measuring gear, can carry out the speed measurement to the motor, through the setting of pivot, the external machine of being convenient for.

Description

High-torque outer rotor motor

Technical Field

The utility model relates to the technical field of motor equipment, in particular to a high-torque outer rotor motor.

Background

With the development of motor technology, the motor has higher requirements on the output capacity of the motor, the motor is required to have higher torque output capacity at low speed, the torque pulsation requirement is small, and the control precision requirement is high.

When the motor is used for driving, a high-torque outer rotor motor is commonly used, chinese patent discloses an outer rotor hub motor structure (grant publication No. CN 215420034U) with high torque density, the technology of the patent can adopt an outer rotor SPOKE structure, modulation teeth are arranged on the outer ring of a stator, and the number of the modulation teeth is an integer multiple of the number of grooves. The stator not only has the function of providing a rotating magnetic field, but also has the function of modulating the magnetic field by the tooth part, and simultaneously has the function of outputting torque, so that the motor power and torque are further improved, and the stator is suitable for high-power density occasions and high-torque occasions, but when the motor is used for improving the torque, high-power current is needed, and on one hand, the high-power current can generate a large amount of heat while the motor torque is improved, and the device is lack of effective heat dissipation capacity. Accordingly, a high torque external rotor motor is provided by those skilled in the art to solve the problems set forth in the background art.

Disclosure of Invention

The utility model aims to provide a high-torque external rotor motor so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

2. the utility model provides a high torque external rotor motor, includes the main part case, the upper and lower both sides of main part case inner chamber are all fixed mounting has the fin, the inboard fixed mounting of fin has the rotor core, the left and right sides of rotor core is all fixed mounting has the short circuit ring, the right side fixed mounting of short circuit ring has the go-between, the right side fixed mounting of go-between has the speed gear, the middle part fixed mounting of rotor core inner chamber has the pivot, the right side fixed mounting of main part case has cooling mechanism; the inside of the heat dissipation mechanism comprises a mounting frame, a driving motor, a rotating shaft and fan blades, wherein the driving motor is fixedly arranged in the middle of the inner cavity of the mounting frame, the rotating shaft is fixedly arranged at the top of the driving motor, and the fan blades are fixedly arranged on the surface of the rotating shaft.

As still further aspects of the utility model: the left side fixed mounting of main part case has left stiffening ring, left stiffening ring bottom fixed mounting has first supporting shoe.

As still further aspects of the utility model: the right side fixed mounting of main part case has right stiffening ring, the bottom fixed mounting of right stiffening ring has the second supporting shoe.

As still further aspects of the utility model: the left side fixed mounting of left holding ring has the protective cover, the left side fixed mounting of protective cover has the protection ring.

As still further aspects of the utility model: the left side of the protection ring is fixedly provided with a bearing, and the inner side of the bearing is movably provided with a rotating ball.

As still further aspects of the utility model: the inner side of the rotating bead is movably provided with a lantern ring, the lantern ring is fixedly connected with the rotating shaft, and the surface of the heat dissipation mechanism is fixedly provided with a dust-proof sheet.

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

1. the utility model can conveniently install various parts through the arrangement of the main body box, can absorb heat generated when the motor is driven through the arrangement of the radiating fins, can provide power for the whole device through the arrangement of the rotor iron core, can prevent short circuit from occurring through the arrangement of the short circuit ring, is convenient for installing the speed measuring gear through the arrangement of the speed measuring gear, can measure the speed of the motor through the arrangement of the rotating shaft, is convenient for externally connecting a machine, can provide heat radiation capability for the device through the arrangement of the heat radiation mechanism, needs to increase the power of driving current when the motor improves torque, can generate a large amount of heat when the power is increased, can provide a proper temperature environment for the motor in order to prevent the service life of the motor from being damaged due to overhigh heat, can provide power for the heat radiation mechanism through the arrangement of the driving motor, can drive the fan blade to rotate and strengthen the installation stability through the arrangement of the fan blade, can drive gas in the box to circulate, and can lead hot air out of the box.

2. The utility model can strengthen the stability of the whole device through the arrangement of the left reinforcing ring and the right reinforcing ring, is convenient for installing the supporting blocks, can stably place the device through the arrangement of the first supporting block and the second supporting block, can additionally provide a layer of protection for the bearing through the arrangement of the protection ring, can enable the rotating shaft to freely rotate through the arrangement of the bearing, can enable the bearing not to influence the rotation of the rotating shaft through the arrangement of the rotating beads, can reduce the friction between the rotating shaft and the bearing through the arrangement of the lantern ring, and can prevent pollutants in the outside air from entering the box through the arrangement of the dustproof sheet.

Drawings

FIG. 1 is a top perspective view of a high torque external rotor motor;

FIG. 2 is a bottom perspective view of a high torque external rotor motor;

FIG. 3 is a front cross-sectional view of the main body case structure of a high torque external rotor motor;

FIG. 4 is a side cross-sectional view of a heat dissipating mechanism in a high torque external rotor motor;

fig. 5 is a side cross-sectional view of a bearing structure in a high torque external rotor motor.

In the figure: 1. a main body box; 2. a heat sink; 3. a rotor core; 4. a shorting ring; 5. a connecting ring; 6. a speed measuring gear; 7. a rotating shaft; 8. a heat dissipation mechanism; 801. a mounting frame; 802. a driving motor; 803. a rotation shaft; 804. a fan blade; 9. a left reinforcing ring; 10. a first support block; 11. a right reinforcing ring; 12. a second support block; 13. a protective cover; 14. a protective ring; 15. a bearing; 16. rotating the beads; 17. a collar; 18. dust-proof sheet.

Detailed Description

Referring to fig. 1-5, a high torque external rotor motor comprises a main body box 1, wherein radiating fins 2 are fixedly arranged on the upper side and the lower side of an inner cavity of the main body box 1, a rotor iron core 3 is fixedly arranged on the inner side of the radiating fins 2, short-circuit rings 4 are fixedly arranged on the left side and the right side of the rotor iron core 3, a connecting ring 5 is fixedly arranged on the right side of the short-circuit rings 4, a speed measuring gear 6 is fixedly arranged on the right side of the connecting ring 5, a rotating shaft 7 is fixedly arranged in the middle part of the inner cavity of the rotor iron core 3, and a radiating mechanism 8 is fixedly arranged on the right side of the main body box 1; the inside of the heat dissipation mechanism 8 comprises a mounting frame 801, a driving motor 802, a rotating shaft 803 and fan blades 804, wherein the driving motor 802 is fixedly mounted in the middle of the inner cavity of the mounting frame 801, the rotating shaft 803 is fixedly mounted at the top of the driving motor 802, and the fan blades 804 are fixedly mounted on the surface of the rotating shaft 803.

Specifically, a left reinforcing ring 9 is fixedly installed on the left side of the main body box 1, and a first supporting block 10 is fixedly installed at the bottom of the left reinforcing ring 9.

Through above-mentioned technical scheme, through the setting of left stiffening ring 9 and right stiffening ring 11, can consolidate the steadiness of whole device, and be convenient for install the supporting shoe.

Specifically, a right reinforcing ring 11 is fixedly mounted on the right side of the main body box 1, and a second supporting block 12 is fixedly mounted at the bottom of the right reinforcing ring 11.

Through the technical scheme, the device can be stably placed through the arrangement of the first supporting block 10 and the second supporting block 12.

Specifically, the left side of the left reinforcing ring 9 is fixedly provided with a protective cover 13, and the left side of the protective cover 13 is fixedly provided with a protective ring 14.

By the above technical scheme, a layer of protection can be added to the bearing 15 by arranging the protection ring 14.

Specifically, a bearing 15 is fixedly installed on the left side of the protection ring 14, and a rotating ball 16 is movably installed on the inner side of the bearing 15.

Through above-mentioned technical scheme, through the setting of bearing 15, can make pivot 7 free rotation, through the setting of changeing pearl 16, can make bearing 15 not influence the rotation of pivot 7.

Specifically, a lantern ring 17 is movably arranged on the inner side of the rotating bead 16, the lantern ring 17 is fixedly connected with the rotating shaft 7, and a dust-proof sheet 18 is fixedly arranged on the surface of the heat dissipation mechanism 8.

Through above-mentioned technical scheme, through the setting of lantern ring 17, can reduce the friction between pivot 7 and the bearing 15, through the setting of dust proof sheet 18, can prevent the pollutant in the outside air from getting into the box.

The working principle of the utility model is as follows: the device can be convenient for install all kinds of parts through main part case 1 during operation, can absorb the heat that produces when the motor drive through fin 2, can provide power production for whole device through rotor core 3, can prevent to appear the short circuit through short circuit ring 4, be convenient for install tachometer gear 6 through go up tachometer gear 6, can be tested the motor, be convenient for external machine through pivot 7, can provide the heat dissipation ability for the device through cooling mechanism 8, can provide power for cooling mechanism 8 through driving motor 802, can drive the flabellum 804 rotation through rotation axis 803, can drive the interior gas circulation of box through flabellum 804, can make the device steady through left stiffening ring 9 and right stiffening ring 11, can set up through first supporting shoe 10 and second supporting shoe 12, can set up the one deck protection additional to bearing 15, can make pivot 7 free rotation through bearing 15, can make bearing 15 not influence pivot 7 rotation through changeing pearl 16, can reduce the friction between 7 and the bearing 15 through the pivot, can prevent that the pollution in the dustproof piece 18 can prevent that the external air from getting into the box through the piece.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a high torque external rotor motor, includes main part case (1), its characterized in that: the novel cooling structure comprises a main body box (1), wherein cooling fins (2) are fixedly arranged on the upper side and the lower side of an inner cavity of the main body box (1), a rotor iron core (3) is fixedly arranged on the inner side of the cooling fins (2), a short circuit ring (4) is fixedly arranged on the left side and the right side of the rotor iron core (3), a connecting ring (5) is fixedly arranged on the right side of the short circuit ring (4), a speed measuring gear (6) is fixedly arranged on the right side of the connecting ring (5), a rotating shaft (7) is fixedly arranged at the middle part of the inner cavity of the rotor iron core (3), and a cooling mechanism (8) is fixedly arranged on the right side of the main body box (1);

the inside of cooling body (8) includes installing frame (801), driving motor (802), rotation axis (803) and flabellum (804), the middle part fixed mounting in installing frame (801) inner chamber has driving motor (802), the top fixed mounting of driving motor (802) has rotation axis (803), the surface fixed mounting of rotation axis (803) has flabellum (804).

2. The high torque external rotor motor according to claim 1, wherein: the left side of main part case (1) fixed mounting has left stiffening ring (9), left stiffening ring (9) bottom fixed mounting has first supporting shoe (10).

3. The high torque external rotor motor according to claim 1, wherein: the right side of main part case (1) fixed mounting has right stiffening ring (11), the bottom fixed mounting of right stiffening ring (11) has second supporting shoe (12).

4. The high torque external rotor motor according to claim 2, wherein: the left side of left stiffening ring (9) is fixed mounting has protective cover (13), the left side of protective cover (13) is fixed mounting has protection ring (14).

5. The high torque external rotor motor according to claim 4, wherein: the left side of protection ring (14) is fixed mounting has bearing (15), the inboard movable mounting of bearing (15) has swivel bead (16).

6. The high torque external rotor motor according to claim 5, wherein: the inner side of the rotating bead (16) is movably provided with a lantern ring (17), the lantern ring (17) is fixedly connected with the rotating shaft (7), and the surface of the heat dissipation mechanism (8) is fixedly provided with a dust-proof sheet (18).