CN218945698U

CN218945698U - Cleaning machine with motor noise reduction function

Info

Publication number: CN218945698U
Application number: CN202220352989.2U
Authority: CN
Inventors: 李意
Original assignee: Maother Suzhou Electric Equipment Co ltd
Current assignee: Maother Suzhou Electric Equipment Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2023-05-02
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses a cleaning machine with a motor noise reduction function, which comprises: casing, base, suction motor and motor casing are provided with the return air duct in the casing, and the return air duct communicates the cavity in the base, suction motor fixed mounting in the motor casing, and motor casing fixed mounting is provided with the first fresh air inlet of intercommunication cavity on the base, and motor casing one side is provided with first air outlet, is provided with the air outlet that the position corresponds first air outlet on the casing, still is provided with the second air outlet on the base, and the second air outlet communicates to the inside outer lane exhaust duct of base, is provided with at least one air exit on the lateral wall of outer lane exhaust duct. Compared with the prior art, the multi-channel exhaust device has the advantages that the noise caused by unsmooth gas exhaust is effectively reduced.

Description

Cleaning machine with motor noise reduction function

Technical Field

The utility model belongs to the field of cleaning machines, and particularly relates to a cleaning machine with a motor noise reduction function.

Background

The main working flow of the cleaning machine is as follows: spraying water on the surface to be cleaned, brushing, and finally sucking and removing brushing sewage.

When the existing cleaning machine is used for exhausting air, the air exhausting capacity is limited, and when the power of the suction motor is increased, the air is not exhausted smoothly, so that the working noise of the suction motor is large.

Disclosure of Invention

The utility model aims at: the cleaning machine with the motor noise reduction function is provided, the multi-channel exhaust is realized, and the noise caused by unsmooth gas exhaust is effectively reduced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a cleaning machine with motor noise reduction function, comprising: casing, base, suction motor and motor casing are provided with the return air duct in the casing, and the return air duct communicates the cavity in the base, suction motor fixed mounting in the motor casing, and motor casing fixed mounting is provided with the first fresh air inlet of intercommunication cavity on the base, and motor casing one side is provided with first air outlet, is provided with the air outlet that the position corresponds first air outlet on the casing, still is provided with the second air outlet on the base, and the second air outlet communicates to the inside outer lane exhaust duct of base, is provided with at least one air exit on the lateral wall of outer lane exhaust duct.

As a further description of the above technical solution:

the inner air outlet shell of the base is provided with a plurality of circumferentially arranged exhaust holes, the exhaust holes are communicated to a rotary air duct in the base, the bottom surface of the rotary air duct is provided with a third exhaust port, the third exhaust port is communicated to an inner ring exhaust duct in the base, and the inner ring exhaust duct is communicated to an outer ring exhaust duct.

As a further description of the above technical solution:

the motor casing includes lower casing and last casing, and lower casing joint is on the air-out casing, and first air inlet setting is on lower casing, and first air outlet setting is on last casing.

As a further description of the above technical solution:

the surface of the lower shell is provided with a guide groove with a position corresponding to the exhaust hole.

As a further description of the above technical solution:

the base comprises a bottom plate, a flange is arranged on the bottom plate, and the flange is clamped in a clamping groove on the base.

As a further description of the above technical solution:

the first air outlet and the second air outlet are symmetrically arranged at two sides of the suction motor.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. in the utility model, after the gas in the shell enters the motor shell through the air return duct and the cavity, the gas flows out from the first air outlet at one side of the motor shell, and then the gas directly flows out from the air outlet on the shell, and on the other hand, the gas (the gas which cannot flow out from the air outlet in time) enters the outer ring exhaust duct from the second air outlet on the base after the gas winds round in the shell, and is discharged from the two air outlets on the side wall of the outer ring exhaust duct. In order to prevent poor air exhaust effect, besides exhausting air through an air outlet on the shell, an exhaust duct is arranged in the base for exhausting air, and the multi-channel exhaust is used for effectively reducing noise caused by unsmooth air exhaust.

2. In the utility model, before the air flows out of the cavity and does not enter the motor shell, the air enters the rotary air duct through the air exhaust hole on the inner air exhaust shell, enters the inner ring air exhaust duct from the third air exhaust hole on the bottom surface of the rotary air duct, enters the outer ring air exhaust duct through the inner ring air exhaust duct, and finally is exhausted through the two air exhaust holes on the side wall of the outer ring air exhaust duct, thereby further realizing multi-channel air exhaust and effectively reducing noise caused by unsmooth air exhaust.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a cleaning machine with a motor noise reduction function.

Fig. 2 is a schematic diagram of a second structure of the cleaning machine with the motor noise reduction function.

Fig. 3 is a cross-sectional view of a washer with motor noise reduction.

Fig. 4 is a structural exploded view of a cleaning machine with motor noise reduction.

Fig. 5 is a schematic view of a portion of a cleaning machine with motor noise reduction.

Fig. 6 is a schematic diagram of a portion of a cleaning machine with a motor noise reduction function.

Legend description:

1. a housing; 11. an air return duct; 12. an air outlet hole; 2. a base; 21. a cavity; 22. a second air outlet; 23. an outer ring exhaust duct; 231. an air outlet; 24. an inner air outlet shell; 241. an exhaust hole; 25. rotating the air duct; 251. a third exhaust outlet; 26. an inner ring exhaust duct; 27. a bottom plate; 271. a flange; 28. a clamping groove; 3. a suction motor; 4. a motor housing; 41. a first air inlet; 42. a first air outlet; 43. a lower housing; 431. a guide groove; 44. an upper case.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: a cleaning machine with motor noise reduction function, comprising: casing 1, base 2, suction motor 3 and motor casing 4, be provided with return air duct 11 in the casing 1, return air duct 11 intercommunication is to the cavity 21 in the base 2, suction motor 3 fixed mounting is in motor casing 4, motor casing 4 fixed mounting is on base 2, motor casing 4 bottom is provided with the first fresh air inlet 41 of intercommunication cavity 21, motor casing 4 one side is provided with first air-out 42, be provided with the air-out hole 12 that the position corresponds first air-out 42 on the casing 1, still be provided with second air-out 22 on the base 2, second air-out 22 communicates to the inside outer lane exhaust duct 23 of base 2, be provided with at least one air outlet 231 on the lateral wall of outer lane exhaust duct 23.

The interior air-out casing 24 of base 2 is last to be provided with a plurality of exhaust hole 241 of circumference arrangement, and exhaust hole 241 communicates to the rotatory wind channel 25 in the base 2, is provided with the third air outlet 251 on the bottom surface of rotatory wind channel 25, and the third air outlet 251 communicates to the inside inner circle exhaust duct 26 of base 2, and inner circle exhaust duct 26 communicates to outer lane exhaust duct 23, further realizes multichannel and airs exhaust, effectively reduces the noise that leads to because gas discharge is unsmooth.

The motor casing 4 includes lower casing 43 and last casing 44, and lower casing 43 joint is on interior air-out casing 24, and first inlet opening 41 sets up on lower casing 43, and first air-out 42 sets up on last casing 44.

The lower case 43 is provided on a surface thereof with a guide groove 431 positioned corresponding to the exhaust hole 241, the guide groove 431 guides the rotation of the gas exhausted from the exhaust hole 241, thereby improving the gas exhausting efficiency and further reducing the noise caused by the unsmooth gas exhausting.

The base 2 comprises a bottom plate 27, a flange 271 is arranged on the bottom plate 27, the flange 271 is clamped in a clamping groove 28 on the base 2, and the bottom plate 27 is separated by the flange 271 to form an inner ring exhaust duct 26 and an outer ring exhaust duct 23.

The first air outlet 42 and the second air outlet 22 are symmetrically arranged at two sides of the suction motor 3, so that the air duct is prolonged, and noise during air discharge is reduced.

Working principle: after the air in the shell enters the motor shell through the air return duct and the cavity, the air flows out from the first air outlet on one side of the motor shell, then the air directly flows out from the air outlet on the shell on one hand, and on the other hand, the air (the air which cannot flow out from the air outlet in time) enters the outer ring exhaust duct from the second air outlet on the base after one circle of air in the shell, and is exhausted from the two air outlets on the side wall of the outer ring exhaust duct. In order to prevent poor air exhaust effect, besides exhausting air through an air outlet on the shell, an exhaust duct is arranged in the base for exhausting air, and the multi-channel exhaust is used for effectively reducing noise caused by unsmooth air exhaust. Before the air flows out of the cavity and does not enter the motor casing, the air enters the rotary air duct through the air exhaust hole on the inner air exhaust casing, enters the inner ring air exhaust duct from the third air exhaust port on the bottom surface of the rotary air duct, enters the outer ring air exhaust duct through the inner ring air exhaust duct, and finally is exhausted through the two air exhaust ports on the side wall of the outer ring air exhaust duct, so that multi-channel air exhaust is further realized, and noise caused by unsmooth air exhaust is effectively reduced.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A cleaning machine with motor noise reduction function, characterized by comprising: casing (1), base (2), suction motor (3) and motor casing (4), be provided with return air duct (11) in casing (1), return air duct (11) communicate to cavity (21) in base (2), suction motor (3) fixed mounting is in motor casing (4), motor casing (4) fixed mounting is in on base (2), motor casing (4) bottom is provided with the intercommunication first fresh air inlet (41) of cavity (21), motor casing (4) one side is provided with first air outlet (42), be provided with the position on casing (1) and correspond air outlet (12) of first air outlet (42), still be provided with second air outlet (22) on base (2), second air outlet (22) communicate to outer lane (23) inside outer lane of base (2), be provided with at least one mouth (231) on the lateral wall of exhaust lane (23).

2. The cleaning machine with the motor noise reduction function according to claim 1, characterized in that a plurality of exhaust holes (241) are circumferentially arranged on an inner air outlet shell (24) of the base (2), the exhaust holes (241) are communicated to a rotary air duct (25) in the base (2), a third exhaust outlet (251) is arranged on the bottom surface of the rotary air duct (25), the third exhaust outlet (251) is communicated to an inner ring exhaust duct (26) in the base (2), and the inner ring exhaust duct (26) is communicated to the outer ring exhaust duct (23).

3. The cleaning machine with the motor noise reduction function according to claim 2, wherein the motor casing (4) comprises a lower casing (43) and an upper casing (44), the lower casing (43) is clamped on the inner air outlet casing (24), the first air inlet hole (41) is formed in the lower casing (43), and the first air outlet (42) is formed in the upper casing (44).

4. A cleaning machine with motor noise reduction function according to claim 3, characterized in that the surface of the lower housing (43) is provided with a guide groove (431) positioned corresponding to the exhaust hole (241).

5. The cleaning machine with the motor noise reduction function according to claim 2, wherein the base (2) comprises a bottom plate (27), a flange (271) is arranged on the bottom plate (27), and the flange (271) is clamped in a clamping groove (28) on the base (2).

6. A cleaning machine with motor noise reduction function according to claim 2, characterized in that the first air outlet (42) and the second air outlet (22) are symmetrically arranged on both sides of the suction motor (3).