CN210273710U

CN210273710U - Motor capable of reducing noise

Info

Publication number: CN210273710U
Application number: CN201921509728.1U
Authority: CN
Inventors: 左泽祥; 刘灿梅; 高翔
Original assignee: Dongguan Changjincheng Electric Appliance Co ltd
Current assignee: Dongguan Changjincheng Electric Appliance Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-04-07
Anticipated expiration: 2029-09-11

Abstract

The utility model discloses a motor for reducing noise, belonging to the technical field of motors, comprising a motor, a front bearing and a rear bearing, the front end of the motor is penetrated and extended with a front bearing, the rear end of the motor is penetrated and extended with a rear bearing, the outer wall of the motor is wrapped with a sound-proof shield, the utility model provides a motor for reducing noise, the sound-proof shield is sleeved outside the motor by arranging a rubber ball, a sound-proof shield, a sound-proof felt, a rubber pad and irregular fan blades, then the inner wall of sound-proof housing links up the deadening felt and carries out sound isolation, and the contact of deadening felt and motor is alleviated to packing rubber ball between sound-proof housing and motor simultaneously, changes traditional equidistance's fan blade into irregular type fan blade, changes the circulation degree of consistency of wind-force, avoids the wind-force noise, has solved the noise problem of motor when wind-force introduces, has solved the stator of motor and the rotor and has transmitted the problem outward of the produced noise of brush switching-over when rotating.

Description

Motor capable of reducing noise

Technical Field

The utility model relates to the technical field of electric machines, especially, relate to a motor of noise reduction.

Background

An Electric machine (also known as "motor") is an electromagnetic device that converts or transmits Electric energy according to the law of electromagnetic induction, and is represented by the letter M (old standard is D) in a circuit, and mainly functions to generate driving torque as a power source for electrical appliances or various machines, and a generator is represented by the letter G in a circuit and mainly functions to convert mechanical energy into Electric energy.

When the motor in the prior art is used, the wind scooper generates noise along with the vibration of the motor, most of the fan blades of the motor are fan blades with equal distance and equal length, wind noise can be generated along with the fan blades with equal distance when wind power is introduced, and noise can be generated when the stator and the rotor of the motor rotate and an electric brush is reversed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a motor of noise reduction, it is through being equipped with the rubber ball, the sound-proof housing, the deadening felt, rubber pad and irregular fan blade, cup joint the sound-proof housing in the outside of motor, then the inner wall of sound-proof housing links up the deadening felt and carries out sound isolation, fill the rubber ball and alleviate the contact of deadening felt and motor simultaneously between sound-proof housing and motor, change traditional equidistance's fan blade into irregular type fan blade, the circulation degree of consistency that changes wind-force, avoid the wind-force noise, rubber pad between sound-proof housing and the wind-proof housing, frictional noise when preventing the contact of sound-proof housing and wind-proof housing, the noise problem of motor when wind-force introduces has been solved, the wind-proof housing of motor and the frictional noise problem of motor have been solved, the stator of motor and the outer problem of passing of the produced.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of motor of noise reduction, including motor, front bearing and rear bearing, the front end of motor runs through and stretches out there is the front bearing, the rear end of motor runs through and stretches out there is the rear bearing, the outer wall parcel of motor has the sound-proof housing, the inner wall of sound-proof housing has linked up the deadening felt, it has the rubber ball to link up between deadening felt and the motor, the tail end part gomphosis that the motor rear bearing runs through the sound-proof housing has irregular fan blade, the outside of irregular fan blade has been covered there is the wind scooper, and the tail end of wind scooper has seted up the wind-guiding hole, the both ends fixedly connected with mounting panel of wind scooper, mounting panel threaded connection is in the tail.

Optionally, a rubber pad is embedded at the joint of the sound-proof cover and the wind-guiding cover.

Optionally, the hole pattern of the air guide hole is a honeycomb hexagonal structure.

Optionally, the outer walls of the head and the tail of the motor are fixedly connected with blocking blocks, the inner sides of the blocking blocks are connected with blocking pads, and rubber balls are connected between the blocking blocks.

Optionally, a gasket is connected between the bottom end of the mounting plate and the rubber pad.

The utility model has the advantages as follows:

the utility model discloses a be equipped with the rubber ball, the sound-proof housing, the deadening felt, rubber pad and irregular fan blade, the sound-proof housing is cup jointed in the outside of motor, then the inner wall of sound-proof housing links up the deadening felt and carries out sound isolation, fill the rubber ball and alleviate the contact of deadening felt and motor between sound-proof housing and motor simultaneously, change traditional equidistance's fan blade into irregular type fan blade, change the circulation degree of consistency of wind-force, avoid the wind noise, rubber pad between sound-proof housing and the wind scooper, the frictional noise when preventing sound-proof housing and the contact of wind scooper, the noise problem of motor when wind-force introduces has been solved, the wind scooper of motor and the frictional noise problem of motor have been solved, the stator of motor and the outer problem of passing of the noise that the.

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 will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a noise-reduced motor according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of an air guiding cover of a noise-reduced motor according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of a blocking block structure of a noise-reduced motor according to an embodiment of the present invention.

In the figure: 1. a motor; 2. a front bearing; 3. a rear bearing; 4. a rubber ball; 5. a gasket; 6. a sound-proof housing; 7. a sound-deadening felt; 8. a barrier block; 9. a rubber pad; 10. irregular fan blades; 11. a wind guide hole; 12. a wind scooper; 13. mounting a plate; 14. a barrier pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

A noise-reduced motor according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1-3, the embodiment of the utility model provides a motor of noise reduction, including motor 1, front bearing 2 and rear bearing 3, the front end of motor 1 runs through and stretches out there is front bearing 2, the rear end of motor 1 runs through and stretches out there is rear bearing 3, the outer wall parcel of motor 1 has sound-proof housing 6, the inner wall of sound-proof housing 6 has linked up deadening felt 7, it has rubber ball 4 to link up between deadening felt 7 and the motor 1, the tail end part gomphosis that motor 1 rear bearing 3 runs through sound-proof housing 6 has irregular fan blade 10, the outside of irregular fan blade 10 has covered wind scooper 12, and the tail end of wind scooper 12 has seted up wind-guiding hole 11, the both ends fixedly connected with mounting panel 13 of wind scooper 12, mounting panel 13 threaded connection is in the tail end of sound-proof housing 6.

The example, cup joint sound-proof housing 6 in motor 1's the outside, then the inner wall of sound-proof housing 6 links up deadening felt 7 and carries out sound isolation, and the contact of deadening felt 7 and motor 1 is alleviated to packing rubber ball 4 between sound-proof housing 7 and motor 1 simultaneously, avoids motor 1's switching-over and excitation current noise to pass outward, changes traditional equidistance fan blade into irregular type fan blade 10, changes the circulation degree of consistency of wind-force, avoids the production of wind noise.

Referring to fig. 1, a rubber pad 9 is embedded at the joint of the soundproof cover 6 and the wind scooper 12.

For example, the rubber gasket 9 between the soundproof cover 6 and the air guide cover 12 prevents frictional noise when the soundproof cover 6 and the air guide cover 12 are in contact with each other.

Referring to fig. 1 and 2, the hole pattern of the air guide holes 11 is a honeycomb hexagonal structure.

In an example, the air guide holes 11 with a honeycomb hexagonal structure enlarge holes into which wind enters, and noise generated by wind suction due to the fact that the air guide holes 11 are too small is avoided.

Referring to fig. 1 and 3, the outer walls of the head and the tail of the motor 1 are fixedly connected with blocking blocks 8, the inner sides of the blocking blocks 8 are connected with blocking pads 14, and rubber balls 4 are connected between the blocking blocks 8.

Illustratively, the blocking block 8 and the blocking pad 14 block the rubber ball 4, preventing the rubber ball 4 from running out of the surface of the motor 1.

Referring to fig. 1, a gasket 5 is connected between the bottom end of the mounting plate 13 and the rubber pad 9.

For example, the gasket 5 between the mounting plate 13 and the rubber pad 9 prevents the mounting plate 13 and the rubber pad 9 from being damaged due to pressing.

When the wind power generator is used, the motor 1 is electrified to rotate to drive the front bearing 2 and the rear bearing 3 to rotate, when the motor 1 rotates and reverses, the vibration of the motor 1 is transferred to the sound-proof felt 7 by virtue of the elastic unloading force of the rubber ball 4, when a stator and a rotor in the motor 1 rotate, noise generated by brush reversing is absorbed by the sound-proof felt 7 on the inner wall of the sound-proof cover 6 to prevent the noise from being transmitted outwards, then the rear bearing 3 drives the irregular fan blades 10 to rotate to dissipate heat, meanwhile, the wind power introduced by the rotation of the irregular fan blades 10 has uneven flow direction, the wind power noise is reduced, a wind guide hole 11 is formed in one side of a wind guide cover 12 of the motor 1, the wind guide hole 11 of the honeycomb hexagonal structure enlarges holes for wind power to enter, the wind power suction noise generated by the wind guide hole 11 is avoided, the rubber pad 9 between the sound-proof cover, gasket 5 between mounting panel 13 and the rubber pad 9 prevents the pressfitting damage between mounting panel 13 and the rubber pad 9, and separation piece 8 and separation pad 14 separation rubber ball 4 prevent that rubber ball 4 from running out of the surface of motor 1.

It should be noted that the utility model relates to a motor of noise reduction, including motor 1, front bearing 2, rear bearing 3, rubber ball 4, gasket 5, sound-proof housing 6, deadening felt 7, separation piece 8, rubber pad 9, irregular fan blade 10, wind-guiding hole 11, wind-guiding housing 12, mounting panel 13, separation pad 14, the part is the general standard or the part that technical staff in the field knows, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical staff.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a motor of noise reduction, includes motor (1), front bearing (2) and rear bearing (3), the front end of motor (1) runs through to stretch out and has front bearing (2), the rear end of motor (1) runs through to stretch out and has rear bearing (3), its characterized in that: the outer wall parcel of motor (1) has sound-proof housing (6), the inner wall of sound-proof housing (6) links up deadening felt (7), it has rubber ball (4) to link up between deadening felt (7) and motor (1), motor (1) rear bearing (3) run through the tail end part gomphosis of sound-proof housing (6) has irregular fan blade (10), the outside of irregular fan blade (10) is covered there is wind scooper (12), and wind-guiding hole (11) have been seted up to the tail end of wind scooper (12), the both ends fixedly connected with mounting panel (13) of wind scooper (12), mounting panel (13) threaded connection is in the tail end of sound-proof housing (6).

2. A reduced noise electric machine according to claim 1, wherein: a rubber pad (9) is embedded at the joint of the sound-proof cover (6) and the air guide cover (12).

3. A reduced noise electric machine according to claim 1, wherein: the hole pattern of the air guide holes (11) is a honeycomb type hexagonal structure.

4. A reduced noise electric machine according to claim 1, wherein: the outer wall fixedly connected with of motor (1) head and the tail both sides hinders piece (8), and the inboard of hindering piece (8) has linked up and has hindered and separate pad (14), it has rubber ball (4) to link up between hindering piece (8).

5. A reduced noise electric machine according to claim 1, wherein: and a gasket (5) is connected between the bottom end of the mounting plate (13) and the rubber pad (9).