CN210380537U

CN210380537U - Shaded pole motor for warm-air blower

Info

Publication number: CN210380537U
Application number: CN201921548252.2U
Authority: CN
Inventors: 李永峰; 罗健怡; 李景源; 黎浩辉; 何晓勇
Original assignee: Shunde Guangdong Fang Fang Electrical Appliance Industry Co Ltd
Current assignee: Guangdong Fangzhan Motor Co Ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-04-21
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a shaded pole motor for fan heater, including shaded pole motor main part, shaded pole motor main part includes frame, stator and motor rotor shaft, and the corner box is fixed in the frame bottom, and the corner box is rotated by the lateral wall and is worn to establish out the side output shaft that main output shaft set up perpendicularly, be equipped with conical gear corner mechanism between motor rotor shaft and the side output shaft, the outer end of side output shaft is fixed with the side fan blade, and heat dissipation metal grid tray is located between shaded pole motor main part and the side fan blade, and reduction gear box and corner box are fixed with a shock attenuation linking arm respectively, and the relative department of two shock attenuation linking arms links to each other through a two-way damper; the side wind blades matched with the heat dissipation metal grid plate can perform active heat dissipation by means of the driving force of the shaded pole motor, so that the heat dissipation efficiency of the shaded pole motor is greatly improved; the shock absorption connecting arm and the bidirectional damper can greatly reduce the vibration condition of the shaded pole motor main body, and guarantee the stable operation of the shaded pole motor.

Description

Shaded pole motor for warm-air blower

Technical Field

The utility model particularly relates to a shaded pole motor specifically is a shaded pole motor for fan heater.

Background

The shaded pole motor mainly comprises a rotor assembly, a stator assembly, a solenoid assembly, a support assembly and a connecting fastener. The shaded-pole type alternating current motor is only provided with a main winding and is not provided with a starting winding, and the shaded-pole type alternating current motor is widely applied to various electrical appliances due to the reasons of simple structure, low manufacturing cost, small operation noise and the like. A shaded pole motor is also commonly used in the warm air blower, the shaded pole motor is used in the warm air blower environment, the whole body is poor in heat dissipation efficiency due to the lack of an active heat dissipation mechanism, and the shaded pole motor is generally directly fixed through a support assembly, so that the shock absorption performance of the shaded pole motor is poor.

The publication number is: CN207753591U, a single-phase shaded pole asynchronous motor for industrial fan heaters, mentions: "including the body, the body outside is equipped with the heat dissipation box, heat dissipation box top is equipped with the outer fan, be equipped with the rotor in the middle of the outer fan, the rotor passes through the locating hole in the middle of the outer fan and is connected with connecting wheel hub, wherein the outside of outer fan is equipped with the protection casing, the protection casing meets with the heat dissipation box, and be equipped with the couple in the protection casing, the couple subsection is symmetrical in protection casing both sides, be equipped with the dust absorption cotton in the middle of body and the heat dissipation box, the cotton even subsection of dust absorption is inside the heat dissipation box, heat dissipation box bottom portion is equipped with. Has the advantages that: rotation through the inner fan, the cold air after the drive filters through the air inlet net blows to the outer fan through the dust absorption silk floss in the heat dissipation box, and the power that the body during operation produced reaches shockproof effect after the buffering of shockproof spring, make wholly more firm, and the noise is low, long service life, be adapted to different operational environment, the limitation of traditional motor has been reduced, this patent mainly dispels the heat through outside heat dissipation box and the inner fan who installs additional, carry out the shock attenuation through the spring, it is not strong with cover utmost point motor self agreeableness just to install additional auxiliary structure in motor main part outside substantially, installation space occupies great.

Therefore, in view of such problems, there is a need for a shaded pole motor for a fan heater, which can be well matched with a shaded pole motor mechanism and can realize active driving heat dissipation and good damping performance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shaded pole motor for fan heater to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a shaded pole motor for a fan heater comprises a shaded pole motor main body, wherein the shaded pole motor main body comprises a rack, a stator and a motor rotor shaft, the shaded pole motor main body is provided with a main output shaft, the main output shaft is in transmission connection with the top end of the motor rotor shaft through a reduction gear box, the reduction gear box is fixed at the top of the rack, the bottom end of the motor rotor shaft is rotatably arranged in a corner box in a penetrating way, the corner box is fixed at the bottom of the rack, the corner box is rotatably arranged at the side output shaft vertically arranged from the main output shaft through a side wall, a conical gear corner mechanism is arranged between the motor rotor shaft and the side output shaft, the outer end of the side output shaft is fixedly provided with a side fan blade, the right side wall of the shaded pole motor main body is fixedly attached with a heat dissipation metal grid plate, the heat dissipation metal grid plate is positioned between the shaded pole motor main body and the side fan blade, and a damping connecting arm is, the opposite parts of the two shock absorption connecting arms are connected through a bidirectional damper.

As a further aspect of the present invention: including output gear, reduction gear and rotor shaft master gear in the reduction gear box, output gear fixes on the pole wall of main output shaft, reduction gear fixes on the pole wall of back shaft, and the back shaft rotates to be fixed between the inner wall of reduction gear box, rotor shaft master gear fixes on the pole wall of motor rotor shaft, reduction gear is located between output gear and the rotor shaft master gear and meets in output gear and the meshing of rotor shaft master gear respectively, and the gear diameter of rotor shaft master gear, reduction gear and output gear increases in proper order.

As a further aspect of the present invention: the bevel gear corner mechanism comprises a side shaft bevel gear and a rotor shaft bevel gear, the rotor shaft bevel gear is fixed on the outer side end of the motor rotor shaft, the side shaft bevel gear is fixed on the rod wall of a side output shaft, the side output shaft is perpendicular to the motor rotor shaft, and the side shaft bevel gear is meshed with the rotor shaft bevel gear.

As a further aspect of the present invention: but the both ends of two-way attenuator are equipped with damping tensile damping arm respectively, and two-way attenuator whole slope links to each other two adjacent shock attenuation linking arms, be fixed with the runing rest on the inside wall of shock attenuation linking arm, the outside end of two damping arms at two-way attenuator both ends rotates respectively and rotates on the runing rest, the two-way attenuator body passes through the attenuator mount to be fixed in the frame.

As a further aspect of the present invention: the outer wall of the heat dissipation metal grid plate is provided with a plurality of grooves convenient for heat dissipation and ventilation.

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

1. the side wind blades matched with the heat dissipation metal grid plate can perform active heat dissipation by means of the driving force of the shaded pole motor, so that the heat dissipation efficiency of the shaded pole motor is greatly improved;

2. the utility model discloses the vibrations linking arm and the two-way attenuator that set up can the greatly reduced tremble the condition of shaded pole motor main part, guarantee the even running of shaded pole motor.

3. The shock absorption and the heat dissipation are perfectly matched with the support structure of the shaded pole motor, the installation space is occupied to be smaller, and the integration is higher.

Drawings

Fig. 1 is a schematic structural view of a shaded-pole motor for a heater.

Fig. 2 is a schematic structural view of a heat-dissipating metal grid plate in a shaded-pole motor for a fan heater.

In the figure: the motor comprises a shaded pole motor body 1, a frame 10, a stator 11, a motor rotor shaft 12, a reduction gear box 2, a main output shaft 20, an output gear 21, a reduction gear 22, a support shaft 23, a rotor shaft main gear 24, a corner box 3, a side output shaft 30, a side shaft conical gear 31, a rotor shaft conical gear 32, side fan blades 33, a heat dissipation metal grid plate 4, a shock absorption connecting arm 5, a rotating bracket 50, a bidirectional damper 51 and a damper fixing frame 52.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Example 1

Referring to fig. 1-2, in the embodiment of the present invention, a shaded pole motor for a fan heater includes a shaded pole motor main body 1, where the shaded pole motor main body 1 includes a frame 10, a stator 11 and a motor rotor shaft 12, the shaded pole motor main body 1 is provided with a main output shaft 20, the main output shaft 20 is in transmission connection with the top end of the motor rotor shaft 12 through a reduction gear box 2, the reduction gear box 2 is fixed at the top of the frame 10, the bottom end of the motor rotor shaft 12 is rotatably inserted into a corner box 3, the corner box 3 is fixed at the bottom of the frame 10, the corner box 3 is rotatably inserted into a side output shaft 30 vertically arranged from the main output shaft 20 through a side wall, a bevel gear corner mechanism is arranged between the motor rotor shaft 12 and the side output shaft 30, a side fan blade 33 is fixed at the outer end of the side output shaft 30, a heat dissipation metal grid plate 4 is fixed on the right side wall of, the heat dissipation metal grid plate 4 is positioned between the shaded pole motor main body 1 and the side wind blade 33, the bottom surface of the reduction gear box 2 and the left side wall of the corner box 3 are respectively and vertically fixed with a shock absorption connecting arm 5, and the opposite positions of the two shock absorption connecting arms 5 are connected through a bidirectional damper 51.

The bevel gear corner mechanism comprises a side shaft bevel gear 31 and a rotor shaft bevel gear 32, the rotor shaft bevel gear 32 is fixed on the outer side end of the motor rotor shaft 12, the side shaft bevel gear 31 is fixed on the rod wall of the side output shaft 30, the side output shaft 30 is perpendicular to the motor rotor shaft 12, the side shaft bevel gear 31 is meshed with the rotor shaft bevel gear 32, the arranged motor rotor shaft 12 drives the side output shaft 30 to rotate in the direction perpendicular to the rotation direction of the motor rotor shaft 12 through the rotor shaft bevel gear 32 and the side shaft bevel gear 31, and therefore the side output shaft 30 can drive the side fan blades 33 to rotate on the side of the heat dissipation metal grid plate 4.

Two ends of the two-way damper 51 are respectively provided with damping arms which can damp and stretch, the two-way damper 51 is integrally inclined to connect two adjacent shock absorption connecting arms 5, a rotating bracket 50 is fixed on the inner side wall of the shock absorption connecting arm 5, the outer side ends of two damping arms at two ends of a two-way damper 51 rotate to respectively rotate on the rotating bracket 50, the body of the bidirectional damper 51 is fixed on the frame 10 by a damper fixing frame 52, thus, the bidirectional damper 51 is provided to connect the reduction gear box 2 and the corner box 3 through the shock-absorbing connecting arm 5, when the side output shaft 30 and the main output shaft 20 rotate, particularly when the side fan blades 33 are installed on the side output shaft 30 and the fan blades are also installed on the main output shaft 20, tremor with different degrees and directions can be generated on the reduction gear box 2 and the corner box 3, and the tremor is transmitted to the bidirectional damper 51 through the damping connecting arm 5 by the reduction gear box 2 and the corner box 3 for force releasing and damping.

The outer wall of the heat dissipation metal grid plate 4 is provided with a plurality of grooves which are convenient for heat dissipation and ventilation, the grooves are mainly used for increasing the heat dissipation area, and the side fan blades 33 are convenient for rapidly absorbing heat on the heat dissipation metal grid plate 4 in a flowing air mode.

The utility model discloses a theory of operation is: when in use, the whole body of the shaded pole motor body 1 is still installed by the traditional frame 10, when in work, the main output shaft 20 is the main output of the shaded pole motor body 1 and is used for being connected with a fan blade or a gear mechanism needing to be driven, the added corner box 3 and the heat dissipation metal grid plate 4 are different from the traditional technology, when in work, the heat dissipation metal grid plate 4 is attached to the shaded pole motor body 1, heat generated by the working of the shaded pole motor body 1 is absorbed on the heat dissipation metal grid plate 4 through contact type heat conduction, the motor rotor shaft 12 drives the side output shaft 30 to rotate through the rotor shaft conical gear 32 and the side shaft conical gear 31, at the moment, the side fan blade 33 is arranged to rotate, hot gas on the outer surface of the heat dissipation metal grid plate 4 is sucked and blown away, therefore, the heat dissipation efficiency of the whole body of the shaded pole motor body 1 is greatly improved, and meanwhile, the main output shaft 20 rotates to, side fan blade 33 can be to heat dissipation metal grid plate 4 and the application of force of corner box 3, reduction gear box 2 and corner box 3 all produce the tremor easily this moment, the shock attenuation linking arm 5 and the two-way attenuator 51 that add here just mainly deal with this type of tremor problem, here link into a whole through two shock attenuation linking arm 5 reduction gear box 2 and corner box 3 that will tremble easily, the power that produces when reduction gear box 2 and the 3 tremor of corner box can offset through the damping arm interact of two-way attenuator 51, two-way attenuator 51 communicates frame 10 through attenuator mount 52 and installs together fixedly, the tremor that transmission of reduction gear box 2 and corner box 3 itself and reduction gear box 2 and corner box 3 for frame 10 can significantly reduce from this, improve the operating stability of cover utmost point motor main part 1.

Example 2

This example differs from example 1 in that:

the speed reduction gear box 2 comprises an output gear 21, a speed reduction gear 22 and a rotor shaft main gear 24, the output gear 21 is fixed on the rod wall of a main output shaft 20, the speed reduction gear 22 is fixed on the rod wall of a support shaft 23, the support shaft 23 is rotationally fixed between the inner walls of the speed reduction gear box 2, the rotor shaft main gear 24 is fixed on the rod wall of a motor rotor shaft 12, the speed reduction gear 22 is positioned between the output gear 21 and the rotor shaft main gear 24 and respectively meshed and connected with the output gear 21 and the rotor shaft main gear 24, the gear diameters of the rotor shaft main gear 24, the speed reduction gear 22 and the output gear 21 are sequentially increased, the rotor shaft 12 drives the rotor shaft main gear 24 to rotate when rotating, the rotor shaft main gear 24 drives the output gear 21 to rotate through the speed reduction gear 22, the output gear 21 drives the main output shaft 20 to rotate, and the motor rotor shaft 12 drives the rotor shaft 24 to rotate through the rotor shaft main, The reduction gear 22 and the output gear 21 reduce the speed step by step to complete the speed reduction action.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A shaded pole motor for a heater comprises a shaded pole motor main body (1), wherein the shaded pole motor main body (1) comprises a rack (10), a stator (11) and a motor rotor shaft (12), the shaded pole motor main body (1) is provided with a main output shaft (20), the main output shaft (20) is in transmission connection with the top end of the motor rotor shaft (12) through a reduction gear box (2), and the reduction gear box (2) is fixed to the top of the rack (10);

it is characterized in that the bottom end of the motor rotor shaft (12) is rotatably arranged in a corner box (3) in a penetrating way, the corner box (3) is fixed at the bottom of the frame (10), the corner box (3) is rotatably arranged on a side output shaft (30) vertically arranged from the main output shaft (20) in a penetrating way by a side wall, a conical gear corner mechanism is arranged between the motor rotor shaft (12) and the side output shaft (30), the outer end of the side output shaft (30) is fixed with a side fan blade (33), the right side wall of the shaded pole motor main body (1) is fixedly attached with a heat dissipation metal grid plate (4), the heat dissipation metal grid plate (4) is positioned between the shaded pole motor main body (1) and the side wind blade (33), the bottom surface of the reduction gear box (2) and the left side wall of the corner box (3) are respectively and vertically fixed with a damping connecting arm (5), and the opposite positions of the two damping connecting arms (5) are connected through a bidirectional damper (51).

2. The shaded pole motor for the heater of claim 1, wherein the reduction gear box (2) includes therein an output gear (21), a reduction gear (22) and a rotor shaft main gear (24), the output gear (21) is fixed on the rod wall of the main output shaft (20), the reduction gear (22) is fixed on the rod wall of the support shaft (23), the support shaft (23) is rotationally fixed between the inner walls of the reduction gear box (2), the rotor shaft main gear (24) is fixed on the rod wall of the motor rotor shaft (12), the reduction gear (22) is positioned between the output gear (21) and the rotor shaft main gear (24) and is respectively meshed and connected with the output gear (21) and the rotor shaft main gear (24), and the gear diameters of the rotor shaft main gear (24), the reduction gear (22) and the output gear (21) are sequentially increased.

3. The shaded-pole motor for the heater of claim 1, wherein the bevel gear angle mechanism comprises a side-shaft bevel gear (31) and a rotor-shaft bevel gear (32), the rotor-shaft bevel gear (32) is fixed on the outer end of the motor rotor shaft (12), the side-shaft bevel gear (31) is fixed on the rod wall of a side output shaft (30), the side output shaft (30) is perpendicular to the motor rotor shaft (12), and the side-shaft bevel gear (31) is in meshing contact with the rotor-shaft bevel gear (32).

4. The shaded pole motor for the fan heater according to any one of claims 1 to 3, wherein damping arms capable of damping stretching are respectively arranged at two ends of the bidirectional damper (51), the bidirectional damper (51) is integrally inclined to connect two adjacent shock absorption connecting arms (5), a rotating bracket (50) is fixed on the inner side wall of each shock absorption connecting arm (5), the outer ends of the two damping arms at two ends of the bidirectional damper (51) rotate to respectively rotate the rotating bracket (50), and the body of the bidirectional damper (51) is fixed on the frame (10) through a damper fixing frame (52).

5. The shaded pole motor for the heater according to any one of claims 1 to 3, wherein the outer wall of the heat-dissipating metal grid plate (4) is provided with a plurality of grooves for facilitating heat dissipation and ventilation.