CN214314802U

CN214314802U - High-efficiency low-vibration dust collector motor

Info

Publication number: CN214314802U
Application number: CN202023242930.8U
Authority: CN
Inventors: 竹怀春; 张桦
Original assignee: Suzhou Yongjie Motor Co ltd
Current assignee: Suzhou Yongjie Motor Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-28
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a high-efficiency low-vibration dust collector motor, which comprises an upper bracket and a lower bracket; the upper bracket is symmetrically fixed with the brush components left and right; the electric brush component is connected with the rotor; the rotor passes through the stator; the rotor is fixed in the lower bracket through a fastener, and the upper cover of the lower bracket is provided with a wind collecting sheet; the first end of the rotating shaft of the rotor is provided with a fixed impeller and a movable impeller. The utility model has the advantages of strengthen support intensity, reduce the vibration of support part, environmental protection and energy saving.

Description

High-efficiency low-vibration dust collector motor

Technical Field

The utility model relates to a dust catcher motor technical field, in particular to dust catcher motor of high efficiency low vibration.

Background

Most of the existing motors in the field of series-excited vacuum cleaner motors are classified into bracket-type series-excited vacuum cleaner motors and case-type series-excited vacuum cleaner motors.

The existing bracket type motor of the bracket type series excitation dust collector generally comprises an upper bracket, a stator core, a rotor core, a fixed impeller, a fan cover, a movable impeller, a stator winding, a rotor winding and the like.

The upper bracket of the bracket type motor of the existing dust collector motor is made of a BMC (bulk molding compound) composite material, wherein the BMC is a mould pressing intermediate material for manufacturing glass fiber reinforced thermosetting products by a semi-dry method, unsaturated polyester resin, low shrinkage/low profile additives, initiators, internal release agents, mineral fillers and the like are mixed into paste in advance, then thickeners, colorants and the like are added, the paste and glass fibers with different lengths are stirred in a special material kettle, and a thickening process is carried out, so that a bulk intermediate material is finally formed and can be used for mould pressing and injection molding. Therefore, the injection molding process of the BMC composite material has high requirements, and the defects of the BMC composite material molding method are more, such as poor filling, bubbles, poor demolding, warping, flow lines, poor gloss and cracks, which easily cause batch scrapping and have high scrapping treatment difficulty.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model discloses a low vibrating dust catcher motor of high efficiency.

The utility model discloses the technical scheme who adopts as follows:

a high-efficiency low-vibration dust collector motor comprises an upper bracket and a lower bracket; the upper bracket is symmetrically fixed with the brush components left and right; the electric brush assembly is connected with the rotor; the rotor passes through the stator; the rotor is fixed in the lower bracket through a fastener, and the upper part of the lower bracket is covered with a wind collecting sheet; and a fixed impeller and a movable impeller are arranged at the first end of the rotating shaft of the rotor.

The method is further technically characterized in that: the upper bracket comprises a web; a first flange and a second flange are symmetrically arranged on two sides of the web plate; the first flange and the second flange are perpendicular to the web; a first support plate is arranged on one side of the first flange; a second support plate is arranged on one side of the second flange; the first support plate and the second support plate are parallel to the web; the first edge of a wing with be the bearing room between the second edge of a wing, solid fixed ring, slide bearing and the solid fixed ring down are fixed up to the indoor installation of bearing.

The method is further technically characterized in that: the electric brush assembly comprises carbon, a spring and a cover plate; one end of the spring is abutted to the carbon, and the other end of the spring is abutted to the cover plate.

The method is further technically characterized in that: and a gasket, a first elastic element and a first pressing ring are sleeved at the second end of the rotating shaft of the rotor.

The method is further technically characterized in that: the first elastic element is a wave elastic washer.

The method is further technically characterized in that: and a lining and a second pressing ring are arranged between the fixed impeller and the movable impeller.

The method is further technically characterized in that: and a rubber sleeve is arranged at the center of the fixed impeller.

The method is further technically characterized in that: and a third pressing ring is arranged on one side of the movable impeller, and the movable impeller is fixed on the rotating shaft of the rotor through a nut.

The method is further technically characterized in that: the fastener is a self-tapping screw.

The method is further technically characterized in that: the axis of the upper bracket, the axis of the stator, the axis of the rotor, the axis of the stator wheel, the axis of the movable wheel and the axis of the lower bracket are all on the same straight line.

The utility model has the advantages as follows:

1. the utility model discloses reducible 2 ~ 3 staff in process of production reduce manufacturing cost.

2. The utility model discloses do not use chemical glue in the assembling process, do not harm the staff healthy.

3. The utility model discloses thereby can avoid receiving the size that the bearing opened a grade to the size chain influence of whole motor because of canceling pressure bearing station and paint the glue station in process of production to and glue paints inhomogeneous or the little ball bearing of volume of glue and follows the quality occurence of failure of commentaries on classics in the BMC upper bracket, reach reduction in production quality accident then.

4. The utility model discloses an upper bracket subassembly production is convenient, efficiency is higher, the easy management and control of quality, and the phenomenon that BMC upper bracket similar lacks the material is difficult for appearing takes place.

5. The utility model discloses an upper bracket adds man-hour and uses one shot forming's mode, and the error that produces in the product manufacture process is little, and process when this kind of mode of manufacture also can reduce the processing preparation by a wide margin.

6. The utility model discloses change BMC combined material into the upper bracket of iron system, change former BMC upper bracket + ball bearing into the bracket component, reduce rotor pressure bearing process, stopper brush subassembly process, greatly reduced manufacturing cost.

7. The utility model discloses an upper bracket has increased rotor fixed knot and has constructed intensity, has reduced the vibration that the rotor produced in the operation, has reduced the vibration of motor then to the vibration because of the error causes has been reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is a structural schematic diagram of the stent.

Fig. 5 is a schematic view of a brush structure.

In the figure: 1. an upper bracket; 101. a web; 102. a first flange; 103. a second flange; 104. a first support plate; 105. a second support plate; 2. an electric brush assembly; 201. carbon; 202. a spring; 203. a cover plate; 3. a gasket; 4. a first elastic element; 5. a first clamping ring; 6. a stator; 7. a rotor; 8. a wind collecting sheet; 9. a rubber sleeve; 10. fixing an impeller; 11. a bushing; 12. a second clamping ring; 13. a fastener; 14. a movable impeller; 15. a third clamping ring; 16. a nut; 17. and a lower bracket.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Therefore, the directional terminology used is for the purpose of description and is not intended to be limiting, and moreover, like reference numerals will be used to refer to like elements throughout.

The following describes a specific embodiment of the present embodiment with reference to the drawings.

Fig. 1 is a schematic structural diagram of the present invention, fig. 2 is a sectional view of the present invention, and fig. 3 is an explosion diagram of the present invention. Referring to fig. 1 to 3, a motor for a vacuum cleaner having high efficiency and low vibration includes an upper bracket 1 and a lower bracket 17. The upper bracket 1 is made of an iron material. The upper bracket 1 is symmetrically fixed with the brush components 2. The brush assembly 2 is connected to the rotor 7. The rotor 7 comprises a rotor iron core, a rotating shaft, an armature winding and a commutator, and has the function of ensuring and generating continuous electromagnetic torque, and the rotating shaft drives a load to do work to convert the electric energy of the motor into mechanical energy. The rotor 7 passes through the stator 6. The stator 6 comprises a stator iron core and a winding sleeved on a pole shoe, and has the functions of generating excitation magnetic flux, conducting magnetism, supporting the wind collecting sheet 8 and a lower bracket 17.

The rotor 7 is fixed in the lower bracket 17 through a fastener 13, and the upper part of the lower bracket 17 is covered with the wind-collecting piece 8. Preferably, the fastener 13 is a self-tapping screw, which when screwed into a preformed hole in the lower bracket 17 forms an internal thread in connection with the self-tapping screw by displacing the material against the periphery of the preformed hole and pushing the material into the space between the threads. The first end of the rotating shaft of the rotor 7 is provided with a fixed impeller 10 and a movable impeller 14. A bush 11 and a second pressing ring 12 are arranged between the fixed impeller 10 and the movable impeller 14. The center of deciding impeller 10 sets up rubber sleeve 9, and the central inner wall of deciding impeller 10 is laminated to the outer wall of rubber sleeve 9, and rubber sleeve 9 protection glide plane. A third pressing ring 15 is attached to one side of the movable impeller 14, and the movable impeller 14 is fixed to the rotating shaft of the rotor 7 by a nut 16.

The second end of the rotating shaft of the rotor 7 is sleeved with the gasket 3, the first elastic element 4 and the first pressing ring 5. Preferably, the first elastic element 4 is a wave elastic washer, and the first elastic element 4 protects the surface of the rotating shaft of the rotor 7 from scratching the surface of the workpiece when the bolt and the nut are tightened.

Fig. 4 is a structural schematic diagram of the stent. As shown in fig. 4, the upper bracket 1 includes a web 101. The first flange 102 and the second flange 103 are symmetrically disposed on both sides of the web 101. The first flange 102 and the second flange 103 are perpendicular to the web 101. A first leg 104 is disposed on one side of the first flange 102. A second plate 105 is disposed on one side of the second flange 103. The first and

second struts

104, 105 are parallel to the web 101. Between the first flange 102 and the second flange 103 is a bearing chamber, in which an upper fixing ring, a sliding bearing and a lower fixing ring are mounted.

Fig. 5 is a schematic view of a brush structure. As shown in fig. 5, the brush assembly 2 includes a carbon 201, a spring 202, and a cover plate 203. One end of spring 202 abuts carbon 201 and the other end of spring 202 abuts cover plate 203. During production, only need an operating personnel to place carbon element 201 in the brush yoke of upper bracket 1, insert the brush yoke of stator live line end in the terminal of brush subassembly 2 again, apron 203 makes it electrically conductive with the terminal contact of stator live line end, remove artifical spot welding from, reduce two spot welding equipment simultaneously, also avoid simultaneously because of the different sound of motor and the burn machine that the air intake that the air-collecting piece 8 caused is fallen into to the trimming head that spot welding back, then reach the mesh that the qualification rate of producing the line promoted, also can avoid the remaining fracture of the back shroud naked copper line of brush subassembly 2 to the fish tail of taking the motor when later stage assembly complete machine, because of canceling the spot welding machine, also have corresponding reduction to the workshop noise.

The axial line of the upper bracket 1, the axial line of the stator 6, the axial line of the rotor 7, the axial line of the stator impeller 10, the axial line of the movable impeller 14 and the axial line of the lower bracket 17 are all on the same straight line.

The mounting principle of the upper bracket 1 is as follows:

after the upper bracket 1 is formed by punching, an upper fixing ring is arranged in a bearing chamber between the first flange 102 and the second flange 103, then a sliding bearing is arranged, then a lower fixing ring is arranged, the upper fixing ring is formed in one step, and a copper pipe is used for riveting a brush frame of the electric brush assembly 2 on the upper bracket 1 after the upper fixing ring is formed.

The working principle of the utility model is as follows:

the movable impeller 14 mainly generates wind, when the movable impeller 14 rotates at a high rotation speed of 20000-; the main function of the stator vane wheel 10 is to release the air generated by the rotor vane wheel 14 more smoothly.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.

Claims

1. The utility model provides a low vibrating dust catcher motor of high efficiency which characterized in that: comprises an upper bracket (1) and a lower bracket (17); the upper bracket (1) is symmetrically fixed with the electric brush components (2) from left to right; the electric brush assembly (2) is connected with the rotor (7); the rotor (7) passes through the stator (6); the rotor (7) is fixed in a lower bracket (17) through a fastener (13), and a wind collecting sheet (8) is covered on the lower bracket (17); and a fixed impeller (10) and a movable impeller (14) are arranged at the first end of the rotating shaft of the rotor (7).

2. The high efficiency, low vibration vacuum cleaner motor according to claim 1, wherein: the upper bracket (1) comprises a web (101); a first flange (102) and a second flange (103) are symmetrically arranged on two sides of the web (101); the first flange (102) and the second flange (103) are perpendicular to the web (101); a first support plate (104) is arranged on one side of the first flange (102); a second support plate (105) is arranged on one side of the second flange (103); the first and second plates (104, 105) and the web (101) are parallel to each other; a bearing chamber is arranged between the first flange (102) and the second flange (103), and an upper fixing ring, a sliding bearing and a lower fixing ring are arranged in the bearing chamber.

3. The high efficiency, low vibration vacuum cleaner motor according to claim 1, wherein: the electric brush assembly (2) comprises carbon (201), a spring (202) and a cover plate (203); one end of the spring (202) abuts against the carbon (201), and the other end of the spring (202) abuts against the cover plate (203).

4. The high efficiency, low vibration vacuum cleaner motor according to claim 1, wherein: and a gasket (3), a first elastic element (4) and a first pressing ring (5) are sleeved at the second end of the rotating shaft of the rotor (7).

5. The high efficiency, low vibration vacuum cleaner motor according to claim 4, wherein: the first elastic element (4) is a wave elastic washer.

6. The high efficiency, low vibration vacuum cleaner motor according to claim 1, wherein: a lining (11) and a second pressing ring (12) are arranged between the fixed impeller (10) and the movable impeller (14).

7. The high efficiency, low vibration vacuum cleaner motor according to claim 1, wherein: the center of the fixed impeller (10) is provided with a rubber sleeve (9).

8. The high efficiency, low vibration vacuum cleaner motor according to claim 1, wherein: and a third pressing ring (15) is arranged on one side of the movable impeller (14), and the movable impeller (14) is fixed on the rotating shaft of the rotor (7) through a nut (16).

9. The high efficiency, low vibration vacuum cleaner motor according to claim 1, wherein: the fastener (13) is a self-tapping screw.

10. The high efficiency, low vibration vacuum cleaner motor according to claim 1, wherein: the axial line of the upper bracket (1), the axial line of the stator (6), the axial line of the rotor (7), the axial line of the stator impeller (10), the axial line of the movable impeller (14) and the axial line of the lower bracket (17) are all on the same straight line.