CN114635874A

CN114635874A - High-efficient wind-guiding casing is used to dust catcher motor

Info

Publication number: CN114635874A
Application number: CN202210258770.0A
Authority: CN
Inventors: 王孝伟; 杨波
Original assignee: Guangzhou University
Current assignee: Guangzhou University
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-06-17

Abstract

The invention relates to the technical field of dust collector fans, and discloses a high-efficiency air guide shell for a dust collector motor, which comprises a shell, a plate body, a bearing chamber, a positioning convex ring platform and a plurality of stator guide vanes positioned between the shell and the plate body, wherein the surface of the shell is assembled and connected with a fan cover, the plate body is provided with a central shaft hole, the center of the lower end of the plate body is provided with the bearing chamber, and the high-efficiency air guide shell for the dust collector motor is integrally formed by designing the shell, the plate body, the bearing chamber, the positioning convex ring platform and the stator guide vanes, so that the manufacture is convenient, the assembly process of the motor is simplified, and the processing and assembly cost is saved; secondly, by reasonably setting the installation angle and the length of the stator guide vane, the air flow in the air duct flowing through the stator guide vane can smoothly flow to a greater extent, so that the eddy current loss of the air flow is reduced, and the pneumatic performance of the fan is improved; partial air flow flows to the axis direction through the stator guide vanes, and the stator part is cooled and radiated, so that the motor efficiency is improved.

Description

High-efficient wind-guiding casing is used to dust catcher motor

Technical Field

The invention relates to the technical field of dust collector fans, in particular to a high-efficiency air guide shell for a dust collector motor

Background

The dust collector is used as a cleaning article for daily life, and provides great convenience for the life of people. With the development of the dust collector industry, a high-efficiency energy-saving dust collector product becomes a target pursued by people, but most of the existing dust collectors are rough in working, great defects exist in research and development design, and especially in a small-volume dust collector motor, the motor efficiency is not high due to the problems of air flow loss, slow heat dissipation and the like caused by an air duct structure. Therefore, starting from the air duct structure, the efficient air guide shell for the dust collector motor is designed, so that the ventilation volume can be effectively increased, the heat dissipation problem can be solved to a greater extent, the motor efficiency is improved, and the positive practical significance is achieved.

Disclosure of Invention

The invention aims to provide a high-efficiency air guide shell for a motor of a dust collector, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high-efficient wind-guiding casing for dust catcher motor, includes shell, plate body, bearing room, location bulge loop platform and is located a plurality of stator guide vane between shell and the plate body, the shell the plate body the bearing room the location bulge loop with stator guide vane integrated into one piece, be provided with the location bulge loop on the shell outer wall, casing surface and fan housing be assembled between/be connected, central shaft hole has been seted up to the plate body, and plate body lower extreme center is equipped with the bearing room.

The plate body has first fillet along the up end off-circle, fillet radius is 1 ~ 1.5mm, the plate body sets up three location boss along terminal surface outside circumference equidistant down, the location boss is provided with and is used for the fixed mounting hole of the used mounting screw of fixed stator.

Preferably, the stator guide vanes are distributed in a spiral shape in an annular array mode, the inner wall of the shell and the plate bodies are arranged into 7-10 blades at equal intervals, a gradually narrowed air channel is formed between every two adjacent blades along the direction from the inner wall of the shell to the plate bodies, the stator guide vanes are obliquely arranged relative to the tangential direction of the excircle tangent point of the upper end face of the plate body, and the inclination angle is the installation angle.

Preferably, the installation angle of the stator guide vane is 30-40 degrees.

Preferably, the stator guide vane is inverted with a second fillet at the air flow inlet end, and the radius of the fillet is 3-5 mm.

Compared with the prior art, the invention provides the efficient air guide shell for the motor of the dust collector, which has the following beneficial effects:

1. the efficient air guide casing for the dust collector motor is convenient to manufacture and simplifies the assembly process of the motor by integrally forming the casing, the plate body, the bearing chamber, the positioning boss and the stator guide vane, so that the processing and assembly cost is saved; secondly, by reasonably setting the installation angle and the length of the stator guide vane, the air flow in the air duct flowing through the stator guide vane can smoothly flow to a greater extent, so that the eddy current loss of the air flow is reduced, and the pneumatic performance of the fan is improved; and thirdly, part of air flow flows to the axis direction through the stator guide vanes to cool and radiate the stator part, so that the motor efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor:

FIG. 1 is a schematic structural view of an efficient air guide casing for a motor of a vacuum cleaner according to the present invention;

FIG. 2 is a schematic structural view of a bottom view of an efficient air guide casing for a motor of a vacuum cleaner according to the present invention;

fig. 3 is a schematic view of the overall structure of the present invention.

In the figure: 1. a housing; 2. positioning the convex ring; 3. a plate body; 4. a shaft hole; 5. a bearing chamber; 6. a first rounded corner; 7. positioning the boss; 8. mounting holes; 9. a stator guide vane; 10. a second rounded corner; 11. a fan housing; 12. and a 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a high-efficient wind-guiding casing for dust catcher motor, including shell 1, plate body 3,

bearing room

5, 2 platforms of location bulge loop and be located a plurality of stator guide vane 9 between shell 1 and the plate body 3, shell 1, plate body 3, bearing room 5, location bulge loop 2 and stator guide vane 9 integrated into one piece, be provided with location bulge loop 2 on the 1 outer wall of shell, 1 surface of casing and 11 assembled connection of fan housing, central shaft hole 4 has been seted up to

plate body

3, 3 lower extreme centers of plate body are equipped with bearing room 5.

Plate body 3 has first fillet 6 along the up end excircle, fillet radius is 1 ~ 1.5mm, plate body 3 sets up three location boss 7 along terminal surface outside circumference equidistant down, location boss 7 is provided with and is used for the fixed mounting hole 8 of the used mounting screw of fixed stator 12, stator guide vane 9 is the heliciform distribution with the annular array mode, equidistant setting up to 7 ~ 10 leaves between 1 inner wall of shell and the plate body 3, be the wind channel of constricting gradually along 1 inner wall of shell to plate body direction between the adjacent two blades, each stator guide vane 9 sets up for the tangential direction slope of the excircle tangent point that the 3 up end of plate body was located, the angle of inclination is the erection angle promptly, stator guide vane 9's erection angle size is 30 ~ 40, stator guide vane 9 has fallen second fillet 10 at the air current entry end, fillet radius is 3 ~ 5 mm.

By designing the way that the shell 1, the plate body 3, the bearing chamber 5, the positioning boss 7 and the stator guide vane 9 are integrally formed, the manufacturing is convenient, the assembly procedure of the motor is simplified, and the processing and assembly cost is saved; secondly, by reasonably setting the installation angle and the length of the stator guide vane 9, the air flow in the air duct flowing through the stator guide vane 9 can smoothly flow to a greater extent, so that the eddy current loss of the air flow is reduced, and the pneumatic performance of the fan is improved; and thirdly, part of the air flow flows to the axial direction through the stator guide vanes 9 to cool and radiate the stator 12 part, thereby improving the efficiency of the motor.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element described by the phrase "comprising a. -" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a high-efficient wind-guiding casing for dust catcher motor, includes shell (1), plate body (3), bearing room (5), location bulge loop (2) platform and be located a plurality of stator guide vane (9) between shell (1) and plate body (3), its characterized in that: the shell (1), the plate body (3), the bearing chamber (5), the positioning convex ring (2) and the stator guide vane (9) are integrally formed, the positioning convex ring (2) is arranged on the outer wall of the shell (1), the surface of the shell (1) is assembled and connected with a fan cover (11), the plate body (3) is provided with a central shaft hole (4), and the bearing chamber (5) is arranged at the center of the lower end of the plate body (3);

plate body (3) have first fillet (6) along the outer circle of up end, fillet radius is 1 ~ 1.5mm, plate body (3) set up three location boss (7) along terminal surface outside circumference equidistant down, location boss (7) are provided with and are used for fixed mounting hole (8) of the used mounting screw of fixed stator (12).

2. The efficient air guide casing for the motor of the dust collector as claimed in claim 1, wherein: stator guide vane (9) are the heliciform and distribute with the annular array mode, shell (1) inner wall with equidistant setting up to 7 ~ 10 leaves between plate body (3), are the wind channel of narrowing gradually along shell (1) inner wall to plate body direction between the two adjacent blades stator guide vane (9) for the tangential direction slope setting of plate body (3) up end department excircle tangential point, the angle of inclination is the angle of installation promptly.

3. The highly efficient wind guide casing for the motor of the vacuum cleaner as claimed in claim 6, wherein: the installation angle of the stator guide vane (9) is 30-40 degrees.

4. The efficient air guide casing for the motor of the dust collector as claimed in claim 7, wherein: stator guide vane (9) have second fillet (10) at the air current entry end, fillet radius is 3 ~ 5 mm.