CN217769620U

CN217769620U - Low-noise motor

Info

Publication number: CN217769620U
Application number: CN202221888034.5U
Authority: CN
Inventors: 谭竞昌; 罗志宇
Original assignee: Guangdong Qingfeng Electric Technology Co ltd
Current assignee: Guangdong Qingfeng Electric Technology Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-11-08
Anticipated expiration: 2032-07-21

Abstract

The application provides low noise formula motor, include the casing, locate run through the chamber in the casing, locate run through the axis of rotation of intracavity, locate run through intracavity and cover and establish the stator mechanism of axis of rotation one end periphery, be fixed in the axis of rotation and lie in magnetic ring in the stator mechanism and locate the flabellum of the axis of rotation other end, the axis of rotation is close to one of flabellum and serves and be equipped with first bearing, second bearing and connect in buffering elastic component between first bearing and the second bearing. In this application, one end through being close to the flabellum in the axis of rotation sets up two bearings, can reduce the axis of rotation in radial ascending vibration high-efficiently, simultaneously, sets up buffering elastic component between two bearings, also can offset the load that the axis of rotation received in the axial effectively to effectively reduce the axis of rotation at the ascending vibration of axial, have the damping effect, consequently this application low noise formula motor has difficult vibration, the advantage of low noise.

Description

Low-noise motor

[ technical field ] A method for producing a semiconductor device

The application relates to the technical field of motors, in particular to a low-noise motor.

[ background ] A method for producing a semiconductor device

High rotational speed motor is because the rotational speed of output is high, and the volume is less than the ordinary motor of power far away, effective material saving, it is high to have transmission efficiency, advantages such as dynamic response is fast, consequently the wide application is in equipment such as hairdryer, bladeless fan, negative pressure cleaner, the pump, the high-speed machinery of polishing of hand-held type, but high rotational speed motor is because cancelled traditional reduction gears, the rotational speed of output is fast, consequently the motor easily produces resonance when high-speed operation, lead to the operation noise big, influence user's use and experience.

[ summary of the invention ]

In order to reduce the noise when the motor uses, improve user's use and experience, this application provides a low noise formula motor that is difficult for resonance, small in noise.

The application is realized by the following technical scheme:

low noise formula motor, including the casing, locate run through the chamber in the casing, locate run through the axis of rotation of intracavity, locate run through the intracavity and overlap and establish the stator mechanism of axis of rotation one end periphery, be fixed in the axis of rotation and lie in magnetic ring in the stator mechanism and locate the flabellum of the axis of rotation other end, the axis of rotation is close to one of flabellum and serves and be equipped with first bearing, second bearing and connect in buffering elastic component between first bearing and the second bearing.

The low-noise motor comprises a through cavity, a first bearing, a second bearing and a buffering elastic piece, wherein the through cavity comprises a positioning channel and a containing cavity, the positioning channel is located at one end of the fan blade, the containing cavity is located at the other end of the fan blade and communicated with the positioning channel, the first bearing, the second bearing and the buffering elastic piece are arranged in the positioning channel, and the stator mechanism is arranged in the containing cavity.

According to the low-noise motor, the shell and the stator mechanism are bonded through the adhesive.

The low-noise motor further comprises a flexible outer sleeve, and the flexible outer sleeve is sleeved outside the casing.

According to the low-noise motor, the flexible outer sleeve is connected with the shell through the adhesive.

According to the low-noise motor, the flexible outer sleeve is made of silica gel.

According to the low-noise motor, the end, close to the fan blades, of the flexible outer sleeve is provided with the plurality of protruding parts distributed along the circumferential direction.

The low-noise motor comprises a casing, a through cavity, a flexible outer sleeve and a motor shell, wherein the casing comprises an outer barrel and an inner barrel, the inner barrel is arranged in the outer barrel and connected with the outer barrel, the through cavity is arranged in the inner barrel, and the flexible outer sleeve is sleeved on the outer barrel.

In the low-noise motor, a plurality of connection reinforcing plates distributed along the circumferential direction of the inner cylinder are arranged between the outer cylinder and the inner cylinder.

According to the low-noise motor, the end, close to the fan blade, of the inner barrel is provided with the annular convex edge, the penetrating cavity penetrates through the annular convex edge, and the fan blade is provided with the positioning groove sleeved on the annular convex edge.

Compared with the prior art, the method has the following advantages:

in this application, one end through being close to the flabellum in the axis of rotation sets up two bearings, can reduce the axis of rotation in radial ascending vibration high-efficiently, and simultaneously, set up buffering elastic component between two bearings, also can offset the load that the axis of rotation received in the axial effectively, thereby effectively reduce the axis of rotation in the ascending vibration of axial, the vibration attenuation effect has, additionally, the succinct compactness of motor overall structure of this application, the spare part that uses is less, further reduce the noise problem that causes because of spare part takes place to vibrate, consequently this application low noise formula motor has difficult vibration, the advantage of low noise.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic structural diagram of a low noise motor according to the present application;

FIG. 2 is an exploded view of the low noise electric motor of the present application;

FIG. 3 isbase:Sub>A cross-sectional view taken along A-A of FIG. 1;

fig. 4 is a schematic structural diagram of the housing of the present application.

[ detailed description ] A

In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

When the embodiments of the present application refer to ordinal numbers such as "first", "second", etc., it should be understood that the terms are used for distinguishing only when the context clearly indicates that the order is changed.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.

Example (b): as shown in fig. 1 to 4, the low-noise motor includes a housing 1, a through cavity 2 disposed in the housing 1, a rotating shaft 3 disposed in the through cavity 2, a stator mechanism 4 disposed in the through cavity 2 and sleeved on the periphery of one end of the rotating shaft 3, a magnetic ring 5 fixed on the rotating shaft 3 and located in the stator mechanism 4, and a fan blade 6 disposed at the other end of the rotating shaft 3, wherein a first bearing 7, a second bearing 8, and a buffering elastic member 9 connected between the first bearing 7 and the second bearing 8 are disposed at one end of the rotating shaft 3 close to the fan blade 6. In this embodiment, one end of the rotating shaft 3 near the fan blades 6 is provided with the first bearing 7 and the two bearings of the second bearing 8, so that the vibration of the rotating shaft 3 in the radial direction can be efficiently reduced, and meanwhile, the buffering elastic part 9 is arranged between the two bearings, so that the load of the rotating shaft 3 in the axial direction can be effectively offset, and the vibration of the rotating shaft 3 in the axial direction is effectively reduced. Preferably, in the present embodiment, the buffering elastic member 9 is a buffering spring, but the buffering elastic member 9 may also be an elastic plastic member or the like as long as it can buffer the load of the rotating shaft 3 in the axial direction.

Further, in order to stably mount the first bearing 7 and the second bearing 8, the penetrating cavity 2 includes a positioning channel 21 located near one end of the fan blade 6 and a receiving cavity 22 located far from one end of the fan blade 6 and communicated with the positioning channel 21, the first bearing 7, the second bearing 8 and the buffering elastic member 9 are disposed in the positioning channel 21, and the stator mechanism 4 is disposed in the receiving cavity 22. The inner diameter of the positioning channel 21 is equivalent to the outer diameter of the first bearing 7 and the second bearing 8, so that the first bearing 7 and the second bearing 8 can be stably installed in the positioning channel 21.

Further, the housing 1 and the stator mechanism 4 are bonded by an adhesive. The shell 1 and the stator mechanism 4 are bonded through adhesive, so that the use of connecting pieces can be reduced, and the possibility of noise generated by the whole motor is further reduced.

Further, the low-noise motor further comprises a flexible outer sleeve 10, and the flexible outer sleeve 10 is sleeved outside the casing 1. The flexible outer sleeve 10 can also buffer the vibration of the machine shell 1, and further reduce the possibility of noise generated by the whole motor. Preferably, the flexible casing 10 is made of silicone. Of course, the flexible casing 10 may be made of other plastic materials as long as it can buffer the vibration of the housing 1. One end of the flexible outer sleeve 10 close to the fan blades 6 is provided with a plurality of protrusions 101 distributed along the circumferential direction.

Further, the flexible casing 10 is connected to the housing 1 by an adhesive. The flexible outer sleeve 10 and the shell 1 are glued through adhesive, so that the use of connecting pieces can be reduced, and the possibility of noise generated by the whole motor is further reduced.

Further, in order to facilitate the assembly of the whole motor and improve the compactness of the whole structure of the motor, the casing 1 includes an outer cylinder 11 and an inner cylinder 12 arranged in the outer cylinder 11 and connected with the outer cylinder 11, the penetrating cavity 2 is arranged in the inner cylinder 12, and the flexible outer sleeve 10 is sleeved on the outer cylinder 11.

Further, in order to enhance the structural strength of the outer cylinder 11 and the inner cylinder 12, a plurality of connection reinforcing plates 13 distributed along the circumferential direction of the inner cylinder 12 are provided between the outer cylinder 11 and the inner cylinder 12.

Further, in order to stably mount the fan blade 6 and avoid noise generated by the fan blade 6 due to improper mounting, an annular convex edge 121 is disposed at one end of the inner cylinder 12 close to the fan blade 6, the penetrating cavity 2 penetrates through the annular convex edge 121, and a positioning groove 61 sleeved on the annular convex edge 121 is disposed on the fan blade 6. The positioning groove 61 is sleeved on the annular convex edge 121, so that the fan blade 6 cannot shake during rotation, and the possibility of noise generation is reduced.

The working principle of the embodiment is as follows:

in this embodiment, one end of the rotating shaft 3 near the fan blades 6 is provided with the first bearing 7 and the two bearings of the second bearing 8, so that the vibration of the rotating shaft 3 in the radial direction can be efficiently reduced, and meanwhile, the buffering elastic part 9 is arranged between the two bearings, so that the load of the rotating shaft 3 in the axial direction can be effectively offset, and the vibration of the rotating shaft 3 in the axial direction is effectively reduced.

The foregoing is illustrative of the various embodiments provided in connection with the detailed description and the specific implementations of the application are not intended to be limited to the illustrations. Similar or identical methods, structures and the like, or several technical deductions or substitutions made on the premise of the conception of the application, should be regarded as the protection scope of the application.

Claims

1. Low noise formula motor, its characterized in that includes casing (1), locates run through chamber (2), locate in casing (1) run through axis of rotation (3) in chamber (2), locate run through and establish in chamber (2) and overlap the stator mechanism (4) of axis of rotation (3) one end periphery, be fixed in on axis of rotation (3) and lie in magnetic ring (5) in stator mechanism (4) and locate flabellum (6) of axis of rotation (3) the one end that axis of rotation (3) are close to flabellum (6) is equipped with first bearing (7), second bearing (8) and connect in buffering elastic component (9) between first bearing (7) and second bearing (8).

2. The low-noise motor according to claim 1, wherein the through cavity (2) comprises a positioning channel (21) located at one end close to the fan blade (6) and a receiving cavity (22) located at one end far away from the fan blade (6) and communicated with the positioning channel (21), the first bearing (7), the second bearing (8) and the buffering elastic member (9) are arranged in the positioning channel (21), and the stator mechanism (4) is arranged in the receiving cavity (22).

3. A low noise electric machine according to claim 1, wherein the housing (1) and the stator means (4) are glued together by means of an adhesive.

4. A low noise electric motor according to claim 3, further comprising a flexible casing (10), wherein the flexible casing (10) is sleeved outside the housing (1).

5. A low noise electric machine according to claim 4, characterized in that the flexible casing (10) is connected to the machine housing (1) by means of an adhesive.

6. A low noise electric machine according to claim 4, characterized in that the flexible casing (10) is made of silicone.

7. A low noise electric motor according to claim 4, wherein the flexible casing (10) is provided with a plurality of circumferentially distributed protrusions (101) at the end close to the fan blades (6).

8. A low noise electric machine according to claim 4, wherein the housing (1) comprises an outer cylinder (11) and an inner cylinder (12) arranged in the outer cylinder (11) and connected to the outer cylinder (11), the through cavity (2) is arranged in the inner cylinder (12), and the flexible jacket (10) is sleeved on the outer cylinder (11).

9. The low noise electric motor according to claim 8, wherein a plurality of connection reinforcing plates (13) are provided between the outer cylinder (11) and the inner cylinder (12) and are distributed along the circumferential direction of the inner cylinder (12).

10. The low-noise motor according to claim 8, wherein an annular convex edge (121) is provided at one end of the inner cylinder (12) close to the fan blade (6), the through cavity (2) penetrates through the annular convex edge (121), and a positioning groove (61) sleeved on the annular convex edge (121) is provided on the fan blade (6).