CN217282538U

CN217282538U - Brushless direct current motor for air purifier

Info

Publication number: CN217282538U
Application number: CN202220526269.3U
Authority: CN
Inventors: 韩立科; 易建新; 韩斌科; 黄靖; 王涛
Original assignee: Ningbo Hanlang Intelligent Drive Technology Co ltd
Current assignee: Ningbo Hanlang Intelligent Drive Technology Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-08-23
Anticipated expiration: 2032-03-11

Abstract

The utility model provides a brushless DC motor for air purifier relates to DC motor technical field, has solved present brushless DC motor for air purifier and does not possess initiative heat radiation structure's problem, including the casing, the internally mounted of casing has the output shaft, and the heat dissipation fan is installed to one side of casing, and the internally mounted of heat dissipation fan has the drive shaft, is connected with the shaft coupling between output shaft and the drive shaft. The utility model discloses a heat dissipation fan can dispel the heat to it after the motor starts to because of the heat dissipation fan is independent heat dissipation mechanism, so the radiating effect is stronger.

Description

Brushless direct current motor for air purifier

Technical Field

The utility model belongs to the technical field of direct current motor, more specifically say, in particular to a brushless direct current motor for air purifier.

Background

The dc motor has a function of converting dc electric energy and mechanical energy into each other. 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.

Based on the above, the present inventors found that the following problems exist: the brushless direct current motor for the air purifier can generate more heat in the using process, most of the brushless direct current motor for the air purifier does not have an independent cooling fan, but cools the brushless direct current motor through the cooling fan of the air purifier, so that the cooling effect is poor, and the service life of the motor is influenced.

Accordingly, research and improvement are made in view of the existing structure and defects, and a brushless dc motor for an air purifier is provided to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a brushless DC motor for air purifier to solve present brushless DC motor for air purifier and do not possess the problem of initiative heat radiation structure.

The utility model discloses a purpose and efficiency for air purifier's brushless DC motor are reached by following specific technological means:

the utility model provides a brushless DC motor for air purifier, includes the casing, the internally mounted of casing has the output shaft, the heat dissipation fan is installed to one side of casing, the internally mounted of heat dissipation fan has the drive shaft, be connected with the shaft coupling between output shaft and the drive shaft.

Furthermore, an end cover is installed at the top of the casing, a mounting hole is formed in the center of the end cover, a buckle is installed in the mounting hole, a first bearing is installed inside the buckle, and a second bearing is embedded in the bottom of the casing.

Furthermore, the inner rings of the first bearing and the second bearing are sleeved on the outer side of the output shaft, and the limiting rod is installed on the outer side of the output shaft.

Furthermore, a rotor is sleeved on an outer ring of the first bearing, and a stator is installed on one side of the outer portion of the rotor.

Further, a gasket is mounted on the top of the first bearing.

Furthermore, the stators are symmetrically distributed on the outer side of the rotor in a central axis mode.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a connect mutually through the shaft coupling between inside drive shaft of heat dissipation fan and the output shaft, consequently when this motor starts, its inside output shaft can consequently rotate, lead to the drive shaft that links to each other also can rotate, finally drive heat dissipation fan and rotate, thereby realized the radiating function of this motor, can be under the condition that does not rely on the heat dissipation mechanism in the air purifier, realize the heat dissipation to the motor, and because of independently dispelling the heat, so radiating effect is stronger, and then prolonged the life of this motor.

Drawings

Fig. 1 is a schematic perspective view of the back of the brushless dc motor for an air purifier according to the present invention.

Fig. 2 is a schematic perspective view of a brushless dc motor for an air purifier according to the present invention.

Fig. 3 is an exploded perspective view of the brushless dc motor for an air purifier according to the present invention.

Fig. 4 is a schematic side view of a brushless dc motor for an air purifier according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a housing; 2. an end cap; 3. buckling; 4. an output shaft; 5. a limiting rod; 6. a second bearing; 7. a stator; 8. a rotor; 9. a gasket; 10. a first bearing; 11. a heat dissipation fan; 12. a coupling is provided.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a brushless DC motor for air purifier, including casing 1, the internally mounted of casing 1 has output shaft 4, heat dissipation fan 11 is installed to one side of casing 1, the internally mounted of heat dissipation fan 11 has the drive shaft, be connected with shaft coupling 12 between output shaft 4 and the drive shaft, consequently when this motor starts, its inside output shaft 4 can consequently rotate, leads to continuous drive shaft also can rotate, finally drives heat dissipation fan 11 and rotates to realized the radiating function of this motor, can be under the condition that does not rely on the heat dissipation mechanism in the air purifier, realized the heat dissipation to the motor, and because of independently dispelling the heat, so radiating effect is stronger, and then prolonged the life of this motor.

Wherein, end cover 2 is installed at the top of casing 1, and the mounting hole has been seted up to the center department of end cover 2, and installs buckle 3 in the mounting hole, and the internally mounted of buckle 3 has first bearing 10, and the bottom of casing 1 inlays and is equipped with second bearing 6.

Wherein, the inner ring suit of first bearing 10 and second bearing 6 is in the outside of output shaft 4, and gag lever post 5 is installed to the outside of output shaft 4.

Wherein, the outer ring of the first bearing 10 is sleeved with a rotor 8, and one side of the outside of the rotor 8 is provided with a stator 7.

Wherein a spacer 9 is mounted on top of the first bearing 10.

Wherein, the stator 7 is arranged outside the rotor 8 in a central shaft symmetry way.

The specific use mode and function of the embodiment are as follows:

the utility model discloses in, during the use, link to each other the one end of shaft coupling 12 with output shaft 4, later with its other end and drive shaft mutually, behind the starter motor, its inside output shaft 4 will rotate to it is rotatory to drive the heat dissipation fan 11 that links to each other with the drive shaft under the effect of shaft coupling 12, thereby has realized the heat dissipation to this motor.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A brushless DC motor for air purifier which characterized in that: including casing (1), the internally mounted of casing (1) has output shaft (4), heat dissipation fan (11) are installed to one side of casing (1), the internally mounted of heat dissipation fan (11) has the drive shaft, be connected with shaft coupling (12) between output shaft (4) and the drive shaft.

2. The brushless dc motor for an air cleaner as claimed in claim 1, wherein: end cover (2) are installed at the top of casing (1), the mounting hole has been seted up in the center department of end cover (2), and installs buckle (3) in the mounting hole, the internally mounted of buckle (3) has first bearing (10), the bottom of casing (1) inlays and is equipped with second bearing (6).

3. The brushless dc motor for an air cleaner as claimed in claim 2, wherein: the inner rings of the first bearing (10) and the second bearing (6) are sleeved on the outer side of the output shaft (4), and the limiting rod (5) is installed on the outer side of the output shaft (4).

4. The brushless dc motor for an air cleaner as claimed in claim 2, wherein: the outer ring of the first bearing (10) is sleeved with a rotor (8), and a stator (7) is installed on one side of the outer portion of the rotor (8).

5. The brushless dc motor for an air cleaner as claimed in claim 2, wherein: and a gasket (9) is arranged at the top of the first bearing (10).

6. The brushless dc motor for an air cleaner as claimed in claim 4, wherein: the stator (7) is arranged on the outer side of the rotor (8) in a central shaft symmetrical distribution mode.