CN218102858U

CN218102858U - Dynamic balance structure of motor rotor and cooling fan

Info

Publication number: CN218102858U
Application number: CN202221999037.6U
Authority: CN
Inventors: 刘云辉
Original assignee: Heyuan Yongjia Industry Co ltd
Current assignee: Heyuan Yongjia Industry Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-12-20
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a dynamic balance structure and radiator fan of motor rotor, including the motor main part, be provided with dynamic balance mechanism in the motor main part, dynamic balance mechanism uses the rotor of motor main part to set up as the center, dynamic balance mechanism is including setting up the supporting part in the motor main part, be provided with dynamic balance portion on the supporting part, dynamic balance portion sets up around the rotor of motor main part, and the rotor contact of dynamic balance portion and motor main part. This application is through the dynamic balance mechanism that sets up, and the portion of bearing among the dynamic balance mechanism can support dynamic balance portion, and dynamic balance portion can carry on spacingly to the rotor of motor main part, improves the stability when the rotor is rotatory for the rotor of motor main part has better dynamic balance when rotating.

Description

Dynamic balance structure of motor rotor and cooling fan

Technical Field

The utility model relates to a motor and fan technical field particularly, relate to a dynamic balance structure and radiator fan of motor rotor.

Background

Electronic products can generate heat when in work, the heat needs to be outside, otherwise, the accumulation of the heat can cause faults, along with the miniaturization and high-function development of the electronic products, the heat dissipation requirements are relatively increased, so that the heat dissipation technology also needs to improve the heat dissipation efficiency along with the development of the electronic products, and a heat dissipation fan is generally applied as a heat dissipation device of the electronic products;

radiator fan comprises motor and flabellum, the motor relies on the rotation drive flabellum of rotor to rotate, accelerate the air flow through the rotation of flabellum, thereby discharge the heat to the external world, when the rotor drives the flabellum and rotates, because the flabellum adopts plastics manufacturing more, can shake under the effect of wind force when the flabellum rotates, dynamic balance effect when leading to the flabellum rotation is poor, because flabellum direct mount is on the rotor, thereby lead to the dynamic balance decline of rotor, influence rotor motor's life. Therefore, we improve this, and propose a dynamic balance structure of motor rotor and a heat dissipation fan.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: can shake under the effect of wind power when the flabellum that exists rotates at present, the dynamic balance effect when leading to the flabellum rotatory is poor, because the flabellum direct mount on the rotor to the dynamic balance that leads to the rotor descends, influences rotor motor life's problem.

In order to achieve the purpose of the invention, the utility model provides the following technical scheme:

the dynamic balance structure of the motor rotor and the heat radiation fan are used to improve the problems.

The present application is particularly such that:

a dynamic balance structure of a motor rotor comprises a motor main body, wherein a dynamic balance mechanism is arranged on the motor main body, and the dynamic balance mechanism is arranged by taking the rotor of the motor main body as a center;

the dynamic balance mechanism comprises a bearing part arranged on the motor main body, wherein a dynamic balance part is arranged on the bearing part, the dynamic balance part is arranged around a rotor of the motor main body, and the dynamic balance part is in contact with the rotor of the motor main body.

As a preferable technical solution of the present application, the bearing part includes a support ring fixedly mounted on the motor main body, and the support ring is disposed with a rotor of the motor main body as a center.

As the preferred technical scheme of this application, a plurality of spacing groove, a plurality of have been seted up to the inner wall at supporting ring top the spacing groove uses the rotor of motor main part to be annular distribution as the center.

As the preferred technical scheme of this application, the support ring has been placed in the lock ring, the fixed surface of support ring installs a plurality of stopper, a plurality of the stopper is pegged graft with the inner wall of a plurality of spacing groove is supporting respectively.

As the preferable technical scheme of this application, dynamic balance portion includes a plurality of fixed mounting at the inboard guide pulley of support ring, a plurality of the guide pulley uses the rotor of motor main part to be annular and equidistance distribution as the center, a plurality of the guide pulley all contacts with the rotor of motor main part.

The utility model provides a radiator fan, motor body's top is provided with fan body, fan body is including setting up the supporting part in motor body, be provided with the flabellum portion on the supporting part, be provided with on the flabellum portion and subtract the portion of hindering.

As the preferred technical scheme of this application, the supporting part includes the frame, fixed mounting has the backup pad in the frame, the motor main part is installed in the bottom of backup pad, the four corners department of frame all is provided with the mounting hole.

As the preferred technical scheme of this application, flabellum portion is the flabellum body of setting in the frame, the flabellum body is connected with the rotor of motor main part.

As the preferred technical scheme of this application, drag reduction portion includes a plurality of depressed slot, a plurality of the depressed slot is all seted up on the flabellum body.

As the preferred technical scheme of this application, subtract and hinder portion still includes a plurality of sawtooth, a plurality of the avris at flabellum body bottom is all seted up to the sawtooth.

Compared with the prior art, the beneficial effects of the utility model are that:

in the scheme of the application:

1. through the arranged dynamic balance mechanism, the bearing part in the dynamic balance mechanism can support the dynamic balance part, and the dynamic balance part can limit the rotor of the motor main body, so that the stability of the rotor during rotation is improved, and the rotor of the motor main body has better dynamic balance during rotation;

2. through the fan main part that sets up, drag reduction portion in the fan main part can reduce the fan blade portion when rotatory and the resistance between the air, reduces the condition of flabellum vibrations, and dynamic balance when further doing benefit to the rotor of motor main part rotates owing to drag reduction portion can reduce the fan blade portion when rotatory and the resistance between the air for noise when the fan blade portion rotates also obtains reducing, and the load of the little rotor of resistance reduces, and is more energy-conserving.

Drawings

FIG. 1 is a schematic view of a motor body provided herein;

FIG. 2 is a schematic structural view of a support ring provided herein;

FIG. 3 is a schematic bottom view of the structure provided herein;

FIG. 4 is a schematic view of a support ring according to the present disclosure;

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 6 is a schematic structural diagram of a fan body according to the present disclosure;

fig. 7 is a schematic bottom view of the fan main body provided in the present application;

FIG. 8 is a schematic top view of a fan body according to the present disclosure;

fig. 9 is a schematic structural diagram of a support plate provided in the present application.

The following are marked in the figure:

1. a motor main body;

2. a dynamic balancing mechanism; 201. a support ring; 202. a limiting groove; 203. a support ring; 204. a limiting block; 205. a guide wheel;

3. a fan main body; 301. a frame; 302. a support plate; 303. a fan blade body; 304. saw teeth; 305. a concave groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are some, not all embodiments of the invention.

Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and the features and technical solutions in the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper" and "lower" indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, or the orientation or position relationship that a person skilled in the art would conventionally understand, and such terms are only used for convenience of description and simplification of the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Example 1:

as shown in fig. 1, the present embodiment proposes a dynamic balance structure of a motor rotor, which includes a motor main body 1, a dynamic balance mechanism 2 is provided on the motor main body 1, and the dynamic balance mechanism 2 is provided with a rotor of the motor main body 1 as a center;

the dynamic balance mechanism 2 comprises a bearing part arranged on the motor main body 1, a dynamic balance part is arranged on the bearing part, the dynamic balance part is arranged around the rotor of the motor main body 1 and is in contact with the rotor of the motor main body 1, the bearing part can support the dynamic balance part, the dynamic balance part can limit the rotor of the motor main body 1, the stability of the rotor during rotation is improved, and the rotor of the motor main body 1 has better dynamic balance during rotation.

As shown in fig. 1 and 2, in addition to the above-described embodiment, the carrier part further includes a support ring 201 fixedly attached to the motor main body 1, and the support ring 201 is provided centering on the rotor of the motor main body 1.

As shown in fig. 2 and fig. 5, as a preferred embodiment, on the basis of the above manner, further, a plurality of limiting grooves 202 are formed on the inner wall of the top of the support ring 201, the plurality of limiting grooves 202 are distributed annularly around the rotor of the motor main body 1, and the limiting grooves 202 can cooperate with the limiting blocks 204 to limit the support ring 203.

As shown in fig. 1 and fig. 4, as a preferred embodiment, on the basis of the above manner, further, a support ring 203 is placed in the support ring 201, a plurality of limit blocks 204 are fixedly mounted on an outer surface of the support ring 203, and the plurality of limit blocks 204 are respectively matched and inserted with inner walls of the plurality of limit grooves 202, so that the stability of the support ring 203 in the support ring 201 can be improved, the support ring 203 can be taken out conveniently, the outer surface of the support ring 203 is rough, the friction force between the support ring 203 and the support ring 201 can be improved, and further the stability of the support ring 203 can be improved.

As shown in fig. 4, as a preferred embodiment, in addition to the above-mentioned embodiment, the dynamic balance portion further includes a plurality of guide wheels 205 fixedly installed inside the support ring 203, the surfaces of the guide wheels 205 are smooth, the friction force between the guide wheels 205 and the rotor of the motor main body 1 is smaller than the friction force between the support ring 203 and the support ring 201, the plurality of guide wheels 205 are distributed annularly and equidistantly around the rotor of the motor main body 1, the plurality of guide wheels 205 are all in contact with the rotor of the motor main body 1, and the guide wheels 205 can limit the rotor of the motor main body 1, so that the deviation of the rotor during rotation can be reduced, and the dynamic balance of the rotor can be further improved.

Example 2:

the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:

as shown in fig. 1, in the heat dissipation fan according to the present embodiment, a fan main body 3 is disposed on a top portion of a motor main body 1, the fan main body 3 includes a support portion disposed on the motor main body 1, a fan blade portion is disposed on the support portion, and a resistance reducing portion is disposed on the fan blade portion.

As shown in fig. 6, 7 and 9, as a preferred embodiment, in addition to the above manner, the support portion includes a frame 301, a support plate 302 is fixedly installed in the frame 301, the motor main body 1 is installed at the bottom of the support plate 302, and mounting holes are provided at four corners of the frame 301, and the mounting holes are used for mounting the frame 301 on an electronic product.

As shown in fig. 6 and 8, in addition to the above-mentioned embodiments, the fan blade portion is a fan blade body 303 disposed in the frame 301, the fan blade body 303 is connected to the rotor of the motor main body 1, and the rotation of the motor main body 1 can drive the fan blade body 303 to rotate, so as to accelerate the air flow and achieve heat dissipation.

As shown in fig. 6 and 8, in addition to the above-mentioned mode, as a preferred embodiment, the drag reduction part includes a plurality of concave grooves 305, the plurality of concave grooves 305 are all opened on the blade body 303, the saw teeth 304 can reduce the contact area between the surface and the air when the blade body 303 rotates, and further reduce the resistance, reduce the vibration of the blade body 303, further facilitate the dynamic balance of the rotor of the motor main body 1 during rotation, reduce the noise when the blade body 303 rotates, reduce the load of the rotor with small resistance, and save more energy.

As shown in fig. 6 and 8, as a preferred embodiment, in addition to the above-mentioned mode, the drag reduction part further includes a plurality of saw teeth 304, the plurality of saw teeth 304 are all arranged on the side of the bottom of the blade body 303, the saw teeth 304 can reduce the resistance between the side of the bottom and the air when the blade body 303 rotates, and reduce the vibration of the blade body 303, which is further beneficial to the dynamic balance of the rotor of the motor main body 1 when rotating, and the noise when the blade body 303 rotates is also reduced, the load of the rotor with low resistance is reduced, and the energy is saved.

Specifically, this motor rotor's dynamic balance structure and radiator fan during operation/use: the rotor of motor main part 1 drives flabellum body 303 and rotates, realize the heat dissipation, the rotor of motor main part 1 is at the pivoted in-process, guide pulley 205 can carry on spacingly to the rotor of motor main part 1, can reduce the condition of skew when the rotor rotates, and area of contact between surface and the air when sawtooth 304 can reduce flabellum body 303 is rotatory, and then the resistance that reduces, resistance between avris and the air of bottom when sawtooth 304 can reduce flabellum body 303 is rotatory, reduce the condition of flabellum body 303 vibrations, further do benefit to the rotor dynamic balance of motor main part 1 when rotating.

The above embodiments are only used to illustrate the present invention and not to limit the technical solutions of the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, so that any modifications or equivalent substitutions can be made to the present invention; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and protected by the following claims.

Claims

1. A dynamic balance structure of a motor rotor comprises a motor main body (1), and is characterized in that a dynamic balance mechanism (2) is arranged on the motor main body (1), and the dynamic balance mechanism (2) is arranged by taking the rotor of the motor main body (1) as a center;

the dynamic balance mechanism (2) comprises a bearing part arranged on the motor main body (1), wherein a dynamic balance part is arranged on the bearing part, the dynamic balance part is arranged around a rotor of the motor main body (1), and the dynamic balance part is in contact with the rotor of the motor main body (1).

2. A dynamic balancing structure of a motor rotor according to claim 1, characterized in that the carrying part comprises a support ring (201) fixedly mounted on the motor body (1), the support ring (201) being arranged centered on the rotor of the motor body (1).

3. The dynamic balance structure of a motor rotor as claimed in claim 2, wherein the inner wall of the top of the support ring (201) is provided with a plurality of limiting grooves (202), and the plurality of limiting grooves (202) are annularly distributed around the rotor of the motor main body (1).

4. The dynamic balance structure of a motor rotor as claimed in claim 3, wherein a support ring (203) is placed in the support ring (201), a plurality of limit blocks (204) are fixedly mounted on an outer surface of the support ring (203), and the plurality of limit blocks (204) are respectively matched and inserted with inner walls of the plurality of limit grooves (202).

5. A dynamic balance structure of a motor rotor as claimed in claim 4, wherein said dynamic balance portion comprises a plurality of guide wheels (205) fixedly mounted inside the support ring (203), said plurality of guide wheels (205) are distributed annularly and equidistantly around the rotor of the motor body (1), and said plurality of guide wheels (205) are all in contact with the rotor of the motor body (1).

6. A heat radiation fan comprising the dynamic balance structure of a motor rotor as claimed in claim 5, wherein the fan main body (3) is provided on the top of the motor main body (1), the fan main body (3) comprises a support portion provided on the motor main body (1), the support portion is provided with a fan blade portion, and the fan blade portion is provided with a resistance reducing portion.

7. The heat dissipating fan as claimed in claim 6, wherein the support part comprises a frame (301), a support plate (302) is fixedly installed in the frame (301), the motor body (1) is installed at the bottom of the support plate (302), and mounting holes are provided at four corners of the frame (301).

8. The heat dissipating fan as claimed in claim 7, wherein the fan blade part is a fan blade body (303) disposed in the frame (301), and the fan blade body (303) is connected to a rotor of the motor main body (1).

9. The heat dissipating fan as claimed in claim 8, wherein the resistance reducing portion comprises a plurality of concave grooves (305), and the plurality of concave grooves (305) are formed in the fan blade body (303).

10. The heat dissipating fan as claimed in claim 9, wherein the resistance reducing portion further comprises a plurality of saw teeth (304), and the plurality of saw teeth (304) are formed on the sides of the bottom of the fan body (303).