CN212784921U

CN212784921U - Portable miniature dust collector brushless motor

Info

Publication number: CN212784921U
Application number: CN202022110579.0U
Authority: CN
Inventors: 肖荣辉; 黄德才
Original assignee: Foshan Shunde Kehn Motor Co ltd
Current assignee: Foshan Shunde Kehn Motor Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-03-23
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a portable miniature dust catcher brushless motor, including casing, stator chip, rotor chip, axle core, upper bracket, lower carriage, stator vane and movable vane, rotor chip cover is established on the axle core, and rotor chip outside cover is equipped with the magnetic ring, and stator chip locates rotor chip's the outside, and stator chip is last around being equipped with the winding, and stator chip's both ends are located respectively to upper bracket and lower carriage, and the casing cover is established at stator chip's outside movable vane, and the one end at the axle core is established to the wheel cover, and stator vane locates the outside of movable vane. The rotating of the movable impeller can be driven by the rotation of the shaft core, and a larger suction force is generated in the high-speed rotating process. The existing mechanical reversing is replaced, the installation of each structure is compact, the integral volume is reduced, and the miniature portable dust collector is favorably applied to the miniature portable dust collector; meanwhile, the shell is arranged, so that dust can be effectively reduced from entering the shell, and the service life of the whole body is prolonged; and is beneficial to reducing magnetic conductive materials, thereby improving the power density.

Description

Portable miniature dust collector brushless motor

Technical Field

The utility model belongs to a motor especially relates to a portable miniature dust catcher brushless motor.

Background

Most of the existing dust collectors adopt brush motors, and in the using process, the suction force of the dust collector is small due to the fact that mechanical reversing is used, the structure is limited, and the rotating speed is low; meanwhile, the brush motor has larger integral volume and occupies larger space, so that the application range is limited, and the brush motor is mainly suitable for larger dust collectors.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable miniature dust catcher brushless motor that can solve at least one in the above-mentioned problem.

According to the utility model discloses an aspect provides a portable miniature dust catcher brushless motor, including casing, stator chip, rotor chip, axle core, upper bracket, lower carriage, stator vane and movable vane, the rotor chip cover is established on the axle core, and rotor chip outside cover is equipped with the magnetic ring, and stator chip locates rotor chip's the outside, and around being equipped with the winding on the stator chip, stator chip's both ends are located respectively to upper bracket and lower carriage, and the casing cover is established in stator chip's the outside, and movable vane wheel cover is established in the one end of axle core, and the outside of movable vane is located to the stator vane.

The utility model has the advantages that: the stator chip can be fixed through the upper bracket and the lower bracket, and the stator chip is convenient to mount; meanwhile, the rotating of the movable impeller can be driven through the rotation of the shaft core, so that the movable impeller rotates relative to the fixed impeller, and the movable impeller generates large suction force in the high-speed rotating process. The brushless motor of the portable miniature dust collector replaces the existing mechanical reversing, and each structure is compactly installed, so that the overall volume is reduced, and the brushless motor of the portable miniature dust collector is favorable for being applied to the miniature portable dust collector; meanwhile, the shell is arranged, so that dust can be effectively reduced from entering the shell, and the service life of the whole body is prolonged; and is beneficial to reducing magnetic conductive materials, thereby improving the power density.

In some embodiments, the brushless motor of the portable mini-type vacuum cleaner further comprises two balancing rings, wherein the two balancing rings are sleeved on the shaft core and are located at two ends of the rotor chip. Therefore, the balance ring is arranged, high-speed rotation of the rotor chip is guaranteed, and performance stability is maintained.

In some embodiments, the brushless motor of the portable mini dust collector further comprises a rear cover, a connecting plate and a connecting lead, the rear cover is sleeved on the other end of the shaft core, the connecting plate is fixed with the upper bracket, the connecting plate is located between the upper bracket and the rear cover, a mounting hole is formed in the connecting plate, one end of the connecting lead is arranged on the mounting hole, and the other end of the connecting lead extends out after penetrating through the rear cover. Therefore, the connecting plate is arranged, so that the installation of the connecting lead can be facilitated, and the connection of the connecting lead and an external signal is facilitated.

In some embodiments, the outer wall of the stator chip is provided with a groove, and the inner side of the casing is provided with a protrusion, and the protrusion is matched with the groove. Therefore, the rapid installation of the machine shell can be facilitated through the matching of the protrusions and the grooves, and the installation stability of the machine shell is guaranteed.

In some embodiments, the upper end surface of the upper bracket is provided with an upright post, the inner side of the upright post is provided with a clamping hook, the connecting plate is provided with a clamping opening, the upright post is matched with the clamping opening, and the clamping hook is buckled with the clamping opening. Therefore, the connecting plate can be conveniently and quickly mounted on the upper support, and the compactness of the structure is improved.

In some embodiments, the brushless motor of the portable mini-vacuum cleaner further comprises a bearing, the bearing is sleeved on the shaft core, and the bearing is located between the rear cover and the shaft core. Therefore, the bearing is arranged, so that the friction force between the shaft core and the rear cover during rotation can be reduced, and the service life is prolonged.

In some embodiments, the brushless motor of the portable mini-vacuum cleaner further comprises a fan housing, and the fan housing is arranged outside the impeller. From this, be equipped with the fan housing, can improve the wholeness, and play the guide effect to the wind current, satisfy the operation requirement.

Drawings

FIG. 1 is a schematic structural view of a brushless motor of the portable vacuum cleaner of the present invention;

FIG. 2 is a schematic view of the explosion structure of the brushless motor of the portable micro vacuum cleaner of the present invention;

FIG. 3 is a schematic view of the internal structure of the brushless motor of the portable vacuum cleaner of the present invention;

fig. 4 is an exploded view of the upper bracket and the connecting plate of the brushless motor of the miniature portable vacuum cleaner of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Refer to fig. 1 to 4. Portable miniature dust catcher brushless motor, which comprises a housing 1, stator chip 2, rotor chip 3, axle core 4, upper bracket 5, lower carriage 6, stator vane 7 and

movable vane

8, 3 covers of rotor chip establish on axle core 4, 3 outside covers of rotor chip are equipped with magnetic ring 9, stator chip 2 locates rotor chip 3's the outside, stator chip 2 is gone up around being equipped with winding 10, stator chip 2's both ends are located respectively to upper bracket 5 and lower carriage 6, 1 covers of casing establishes in stator chip 2's the outside, movable vane 8 covers the one end at axle core 4, stator vane 7 locates movable vane 8's the outside. In the actual use process, the stator chip 2, the rotor chip 3 and other structures are separated from the fixed impeller 7 and the movable impeller 8 through the shell 1, so that external dust is difficult to enter each structure in the shell 1, and the service life of each structure is ensured; meanwhile, the compactness of the whole structure is improved through the machine shell 1.

The utility model discloses a portable miniature dust catcher brushless motor is when using, and the rotational speed can reach 50000rpm, is greater than the rotational speed that has the brush motor two thousand far away more to improve the suction of dust catcher greatly, improved the work efficiency of dust catcher.

The brushless motor of the portable miniature dust collector further comprises two balance rings 20, wherein the two balance rings 20 are sleeved on the shaft core 4 and are positioned at two ends of the rotor chip 3. The end face of the balance ring 20 is abutted against the end face of the rotor chip 3, so that the stability and the balance degree of the rotor chip 3 during high-speed rotation can be effectively ensured, and the service life of the whole rotor chip is ensured.

The brushless motor of the portable miniature dust collector further comprises a rear cover 30, a connecting plate 40 and a connecting lead 50, the rear cover 30 is sleeved at the other end of the shaft core 4, the connecting plate 40 is fixed with the upper support 5, the connecting plate 40 is located between the upper support 5 and the rear cover 30, a mounting hole is formed in the connecting plate 40, one end of the connecting lead 50 is arranged on the mounting hole, and the other end of the connecting lead extends out after penetrating through the rear cover 30. Wherein, the back cover 30 is made of iron, which is convenient for the production and processing; the connecting lead 50 is a wire, which is convenient for connecting with an external power supply, and is convenient for replacing the mechanical commutation of the brush motor by the brushless motor of the portable miniature dust collector through electronic commutation.

The outer wall of the stator chip 2 is provided with a groove 21, the inner side of the casing 1 is provided with a protrusion 11, and the protrusion 11 is matched with the groove 21. Therefore, when the machine shell 1 is installed, the protrusion 11 is clamped in the groove 21, the quick installation and fixation of the machine shell 1 are achieved, and the machine shell is convenient to assemble.

The upper end face of the upper bracket 5 is provided with a column 51, the inner side of the column 51 is provided with a hook 52, the connecting plate 40 is provided with a bayonet 401, the column 51 is matched with the bayonet 401, and the hook 52 is buckled with the bayonet 401. In the installation process of the connecting plate 40, the upright post 51 is inserted into the bayonet 401, and then the upright post is hooked on the upper end face of the bayonet 401 through the hook 52, so that the connecting plate is convenient to install and fix.

The brushless motor of the portable miniature dust collector further comprises a bearing 60, the bearing 60 is sleeved on the shaft core 4, and the bearing 60 is located between the rear cover 30 and the shaft core 4. The friction between the shaft core 4 and the rear cover 30 during rotation can be reduced by the bearing 60, which is beneficial to improving the service life.

The brushless motor of the portable miniature dust collector further comprises a fan cover 70, and the fan cover 70 is covered on the outer side of the movable impeller 8, so that the integrity is conveniently improved, and the wind flow of the dust collector during working is guided.

The brushless motor of the portable miniature dust collector of the utility model replaces the existing brush motor by adopting the brushless motor, does not need to carry out mechanical reversing, simplifies the internal structure of the motor, is beneficial to reducing the whole volume and reduces the whole quality; meanwhile, the rotating speed of the motor is higher, the suction force of the dust collector is improved, and the use requirement is met.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept, and these all fall into the protection scope of the present invention.

Claims

1. A portable brushless motor of a miniature dust collector is characterized by comprising a casing (1), a stator chip (2), a rotor chip (3), a shaft core (4), an upper bracket (5), a lower bracket (6), a fixed impeller (7) and a movable impeller (8), wherein the rotor chip (3) is sleeved on the shaft core (4), a magnetic ring (9) is sleeved on the outer side of the rotor chip (3), the stator chip (2) is arranged on the outer side of the rotor chip (3), a winding (10) is wound on the stator chip (2), the upper bracket (5) and the lower bracket (6) are respectively arranged at two ends of the stator chip (2), the casing (1) is sleeved on the outer side of the stator chip (2), the movable impeller (8) is sleeved at one end of the shaft core (4), and the fixed impeller (7) is arranged on the outer side of the movable impeller (8).

2. The brushless motor for the portable mini-type vacuum cleaner as claimed in claim 1, further comprising two balancing rings (20), wherein the two balancing rings (20) are sleeved on the shaft core (4) and located at two ends of the rotor chip (3).

3. The brushless motor of claim 2, further comprising a rear cover (30), a connecting plate (40), and a connecting lead (50), wherein the rear cover (30) is sleeved on the other end of the shaft core (4), the connecting plate (40) is fixed to the upper bracket (5), the connecting plate (40) is located between the upper bracket (5) and the rear cover (30), the connecting plate (40) is provided with a mounting hole, one end of the connecting lead (50) is disposed on the mounting hole, and the other end of the connecting lead extends out after penetrating through the rear cover (30).

4. The brushless motor for a portable mini-sized vacuum cleaner according to any one of claims 1 to 3, wherein the outer wall of the stator chip (2) is provided with a groove (21), the inner side of the housing (1) is provided with a protrusion (11), and the protrusion (11) is engaged with the groove (21).

5. The brushless motor of claim 3, wherein an upright post (51) is disposed on the upper end surface of the upper bracket (5), a hook (52) is disposed on the inner side of the upright post (51), a bayonet (401) is disposed on the connecting plate (40), the upright post (51) is matched with the bayonet (401), and the hook (52) is buckled with the bayonet (401).

6. The brushless motor for a portable mini-cleaner as defined in claim 3 or 5, further comprising a bearing (60), wherein the bearing (60) is sleeved on the shaft core (4), and the bearing (60) is located between the rear cover (30) and the shaft core (4).

7. The brushless motor for a portable mini-cleaner as defined in claim 4, further comprising a wind shield (70), wherein the wind shield (70) is covered outside the impeller (8).