CN219893123U - Dismantle convenient direct current brushless motor - Google Patents

Abstract

The utility model discloses a direct current brushless motor convenient to detach, and relates to the field of direct current brushless motors. According to the brushless motor, the heat dissipation assembly is arranged, when the brushless motor works, the rotor shaft can rotate, the driving gear can be driven to rotate after the rotor shaft rotates, the driven gear can be driven to rotate after the driving gear rotates, the movable shaft can be driven to rotate after the driven gear rotates, the movable shaft can be driven to rotate, the rotary blades can be driven to rotate after the movable shaft rotates, the flow speed of air in the shell can be accelerated after the rotary blades rotate, so that heat in the shell can be dissipated through the heat dissipation holes quickly, the heat dissipation effect of the brushless motor is improved, a large amount of heat is prevented from accumulating in the motor to accelerate the damage speed of the motor, and the service life of the brushless motor is prolonged.

Description

Dismantle convenient direct current brushless motor

Technical Field

The utility model relates to the field of brushless motors, in particular to a direct current brushless motor convenient to detach.

Background

The structure of the direct current motor is composed of a stator and a rotor, the stationary part of the direct current motor is called a stator when in operation, the main function of the stator is to generate a magnetic field, the rotating part of the stator is called a rotor when in operation, the main function of the stator is to generate electromagnetic torque and induced electromotive force, and the stator is a junction of the direct current motor for energy conversion, so the stator is also commonly called an armature. Dc motors are widely used for their good speed regulation properties.

According to the Chinese patent with publication number CN215990392U, a DC brushless motor is disclosed, and the electromagnetic magnetic flux of stator and rotor windings is enhanced while the assembly and subsequent disassembly and maintenance of the motor are facilitated, so that the power and efficiency of the motor are improved.

To the above-mentioned disclosed patent content, because brushless motor is through the louvre when dispelling the heat, the inside air flow velocity of brushless motor is slower, leads to the heat to be difficult to quick the louvre to the radiating effect to brushless motor has been reduced.

Disclosure of Invention

Based on the above, the utility model aims to provide a direct current brushless motor with convenient disassembly so as to solve the technical problem of poor heat dissipation effect of the brushless motor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dismantle convenient direct current brushless motor, includes the casing, the front shroud is installed through fastening bolt to one side of casing, the inside of casing is equipped with rotor core and rotor shaft, be equipped with the stator on the rotor core, inside one side of casing is provided with cooling module, cooling module is including locating two second bearings of front shroud one side and cup jointing in the driving gear of rotor shaft outer wall, the one end of second bearing is connected with the loose axle, the outer wall of loose axle is equipped with driven gear and a plurality of swivel vane respectively, install the shutoff piece on the swivel vane.

Through adopting above-mentioned technical scheme, can drive the commentaries on classics leaf and rotate continuously when the loose axle rotates, can accelerate the velocity of flow of the inside air of casing after the commentaries on classics leaf rotates.

Further, the top and the bottom of the shell are provided with radiating holes, and a dustproof net is arranged in the radiating holes.

Through adopting above-mentioned technical scheme, the heat that brushless motor produced can be through the louvre effluvium to improve the radiating effect to brushless motor.

Further, the plugging block is in contact with the inner wall of the shell, and the length and the width of the plugging block are both larger than the diameter of the radiating hole.

Through adopting above-mentioned technical scheme, the shutoff piece can shutoff louvre, and then prevents that outside dust from entering to the inside of casing to improve the dustproof effect of casing.

Further, a rear cover plate is arranged on the other side of the shell, and the rear cover plate is in threaded connection with the shell.

Through adopting above-mentioned technical scheme, when installing the back shroud, the user can rotate the back shroud, with the back shroud screw in to the inside of casing to can install the back shroud fast.

Further, a third bearing is arranged on one side of the rear cover plate, a first bearing is arranged on the front cover plate, and the thickness of the first bearing is larger than that of the third bearing.

By adopting the technical scheme, the arrangement of the first bearing and the second bearing can improve the stability of the rotor shaft during rotation and is convenient for outputting power.

Further, a clamping block is arranged on one side of the front cover plate, a clamping groove is arranged on one side of the shell, and the clamping block is located in the clamping groove.

Through adopting above-mentioned technical scheme, when the apron before need installing, can go into the draw-in groove inside with the fixture block card, and then the apron before being convenient for install.

Further, the driving gear is meshed with the driven gear, and the diameter of the driving gear is larger than that of the driven gear.

Through adopting above-mentioned technical scheme, can drive driven gear rotation when the driving gear rotates, can drive the loose axle rotation after driven gear rotates.

In summary, the utility model has the following advantages:

1. according to the brushless motor, the heat dissipation assembly is arranged, when the brushless motor works, the rotor shaft rotates and drives the driving gear to rotate, the driving gear rotates and drives the driven gear to rotate, the driven gear rotates and drives the movable shaft to rotate, the movable shaft rotates and drives the rotary blades to rotate, the flow speed of air in the shell can be accelerated after the rotary blades rotate, so that heat in the shell can be dissipated through the heat dissipation holes quickly, the heat dissipation effect of the brushless motor is improved, a large amount of heat is prevented from accumulating in the motor and accelerating the damage speed of the motor, and the service life of the brushless motor is prolonged;

2. meanwhile, when the brushless motor does not work, the blocking block can block the radiating hole, so that the tightness of the shell is improved, external dust is prevented from entering the inside of the shell through the radiating hole, and the dustproof effect of the shell is improved.

Drawings

FIG. 1 is a schematic overall perspective view of the present utility model;

FIG. 2 is a schematic view of the whole cross-sectional structure of the present utility model;

FIG. 3 is a schematic perspective sectional view of the housing of the present utility model;

fig. 4 is a schematic perspective view of a driving gear of the present utility model.

In the figure: 1. a housing; 2. a rotor core; 3. a back cover plate; 4. a rotor shaft; 5. a stator; 6. a front cover plate; 7. a first bearing; 8. a fastening bolt; 9. a heat dissipation assembly; 901. a drive gear; 902. a movable shaft; 903. rotating leaves; 904. a block; 905. a driven gear; 906. a second bearing; 10. a third bearing; 11. a clamping block; 12. a clamping groove; 13. a dust screen; 14. and the heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

The utility model provides a dismantle convenient direct current brushless motor, as shown in fig. 1-4, including casing 1, front shroud 6 is installed through fastening bolt 8 to one side of casing 1, the inside of casing 1 is equipped with rotor core 2 and rotor shaft 4, be equipped with stator 5 on rotor core 2, inside one side of casing 1 is provided with radiator unit 9, the louvre 14 has all been seted up to top and the bottom of casing 1, brushless motor produced heat can be dissipated through louvre 14, thereby improve the radiating effect to brushless motor, louvre 14's internally mounted has dust screen 13, dust screen 13's setting reducible entering to casing 1 inside dust volume, casing 1's opposite side is equipped with back shroud 3, back shroud 3 and casing 1 threaded connection, when installing back shroud 3, user rotatable back shroud 3, screw in back shroud 3 to casing 1's inside, so as to install back shroud 3, third bearing 10 is installed to one side of back shroud 3, be equipped with first bearing 7 on front shroud 6, first bearing 7 and second bearing 10's setting up can improve rotor shaft 4 rotation stability, be convenient for export dynamic thickness is greater than first bearing 7, thickness is equipped with back shroud 3, and front shroud 11 need be equipped with front shroud 11 to be in front shroud 12, and front shroud 12 and front shroud 11 are installed to the inside clamp 11, and clamp block 11 is convenient for installing 11, and clamp block groove 12 is installed to be in front shroud 11, and front shroud 12 is installed.

Specifically, the heat dissipation assembly 9 includes two second bearings 906 disposed on one side of the front cover plate 6 and a driving gear 901 sleeved on the outer wall of the rotor shaft 4, one end of the second bearings 906 is connected with a movable shaft 902, the outer wall of the movable shaft 902 is respectively provided with a driven gear 905 and a plurality of rotating blades 903, the driving gear 901 is meshed with the driven gear 905, the diameter of the driving gear 901 is larger than that of the driven gear 905, when the movable shaft 902 rotates, the rotating blades 903 can be driven to continuously rotate, the flowing speed of air inside the casing 1 can be accelerated after the rotating blades 903 rotate, a plugging block 904 is mounted on the rotating blades 903, the plugging block 904 can plug the heat dissipation holes 14, and then external dust is prevented from entering the inside of the casing 1, so that the dustproof effect of the casing 1 is improved, the plurality of rotating blades 903 are distributed on the outer wall of the rotor shaft 4 in a ring array, the front cover plate 6 is detachably connected with the casing 1 through fastening bolts 8, the front cover plate 6 can be conveniently detached and assembled to the front cover plate 6, the plugging block 904 is contacted with the inner wall of the casing 1, and the plugging block 904 is larger than the diameter of the heat dissipation hole 14.

The implementation principle of the embodiment is as follows: firstly, when the cover plate is required to be disassembled so as to repair the interior of the brushless motor, a user can screw out the fastening bolts 8 from the front cover plate 6 and the housing 1, then rotate the rear cover plate 3 so as to screw out the rear cover plate 3 from the housing 1, and repair parts in the housing 1 after the rear cover plate 3 and the front cover plate 6 are removed from the housing 1;

when the brushless motor works, the rotor shaft 4 can rotate, the driving gear 901 can be driven to rotate after the rotor shaft 4 rotates, the driven gear 905 can be driven to rotate after the driving gear 901 rotates, the movable shaft 902 can be driven to rotate after the driven gear 905 rotates, the movable shaft 902 can be driven to rotate after the movable shaft 902 rotates, the rotating blades 903 can accelerate the flow speed of air inside the shell 1 after rotating, so that heat inside the shell 1 can be rapidly dissipated through the heat dissipation holes 14, when the brushless motor does not work, the blocking block 904 can block the heat dissipation holes 14, the tightness of the shell 1 is improved, and external dust is prevented from entering the shell 1 through the heat dissipation holes 14.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims (7)

1. The utility model provides a dismantle convenient direct current brushless motor, includes casing (1), its characterized in that: front shroud (6) are installed through fastening bolt (8) to one side of casing (1), the inside of casing (1) is equipped with rotor core (2) and rotor shaft (4), be equipped with stator (5) on rotor core (2), inside one side of casing (1) is provided with radiator unit (9), radiator unit (9) are including locating two second bearings (906) of front shroud (6) one side and cup joint in driving gear (901) of rotor shaft (4) outer wall, the one end of second bearing (906) is connected with loose axle (902), the outer wall of loose axle (902) is equipped with driven gear (905) and a plurality of swivel vane (903) respectively, install shutoff piece (904) on swivel vane (903).

2. The brushless dc motor of claim 1, wherein the brushless dc motor is easy to disassemble, and wherein: the top and the bottom of casing (1) have all seted up louvre (14), the internally mounted of louvre (14) has dust screen (13).

3. A brushless dc motor with easy disassembly as claimed in claim 2, wherein: the plugging block (904) is in contact with the inner wall of the shell (1), and the length and the width of the plugging block (904) are both larger than the diameter of the radiating hole (14).

4. The brushless dc motor of claim 1, wherein the brushless dc motor is easy to disassemble, and wherein: the other side of the shell (1) is provided with a back cover plate (3), and the back cover plate (3) is in threaded connection with the shell (1).

5. The brushless dc motor of claim 4, wherein the brushless dc motor is easy to disassemble, and wherein: a third bearing (10) is arranged on one side of the rear cover plate (3), a first bearing (7) is arranged on the front cover plate (6), and the thickness of the first bearing (7) is larger than that of the third bearing (10).

6. The brushless dc motor of claim 1, wherein the brushless dc motor is easy to disassemble, and wherein: clamping blocks (11) are arranged on one side of the front cover plate (6), clamping grooves (12) are arranged on one side of the shell (1), and the clamping blocks (11) are located in the clamping grooves (12).

7. The brushless dc motor of claim 1, wherein the brushless dc motor is easy to disassemble, and wherein: the driving gear (901) is meshed with the driven gear (905), and the diameter of the driving gear (901) is larger than that of the driven gear (905).