CN216454792U

CN216454792U - Scrubbing brush cooling system, scrubbing brush and dust catcher

Info

Publication number: CN216454792U
Application number: CN202122834172.7U
Authority: CN
Inventors: 邢振宇; 张川
Original assignee: Suzhou Cleva Electric Appliance Co Ltd
Current assignee: Suzhou Cleva Electric Appliance Co Ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-05-10
Anticipated expiration: 2031-11-18

Abstract

The utility model relates to the technical field of dust collectors, in particular to a floor brush cooling system, a floor brush and a dust collector. The floor brush cooling system comprises a shell and a motor, wherein the shell is provided with a motor cavity, the motor is arranged in the motor cavity, a cooling air inlet and a cooling air outlet are formed in the shell, the cooling air inlet and the cooling air outlet are formed in the shell and are located on two sides of the motor respectively in the direction of the central axis of the motor, one of the cooling air inlet and the cooling air outlet is located above the central axis of the motor, and the other cooling air inlet is located below the central axis of the motor. The cooling air can flow downwards to the lower part of the motor from the upper part of the motor in an inclined mode when circulating, or flow upwards to the upper part of the motor from the lower part of the motor in an inclined mode, so that the cooling air can flow through the center of the motor, cooling inside the motor is more balanced, cooling efficiency of the motor can be improved, heat dissipation performance of the motor is optimized, and the service life of the motor is prolonged.

Description

Scrubbing brush cooling system, scrubbing brush and dust catcher

Technical Field

The utility model relates to the technical field of dust collectors, in particular to a floor brush cooling system, a floor brush and a dust collector.

Background

The dust collector is an important tool for people to clean living environment and working environment. The main part that cleans of dust catcher is the scrubbing brush, and the round brush among the scrubbing brush is driven by the driving motor who installs in the scrubbing brush mostly, and driving motor installs in the motor cavity that upper cover and the bottom formed of scrubbing brush, and the motor can produce a large amount of heats at the during operation, generally makes the inside and outside air exchange circulation of motor in order to dispel the heat to the motor through the cooling fan in the motor.

In the prior art, the cooling air inlet on the casing is mostly arranged on the central axis of the motor or above the central axis, and the cooling air outlet on the casing is mostly also arranged on the central axis of the motor or above the central axis, so that the cooling air only passes through the part of the motor above the central axis when circulating, thereby the cooling efficiency of the motor is low, the heat dissipation performance is poor, and the service life of the motor is shortened.

Therefore, a cooling system for a floor brush is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a floor brush cooling system to improve the cooling efficiency of an electric motor.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a ground brush cooling system, includes casing and motor, the casing has the motor chamber, the motor set up in the motor chamber, be provided with cooling air import and cooling air outlet on the casing, the cooling air import with the cooling air outlet is followed the central axis direction of motor is located respectively the both sides of motor, just the cooling air import with the cooling air outlet, one of them is located the top of the central axis of motor, another is located the below of the central axis of motor.

As a preferable technical scheme of the floor brush cooling system, a plurality of cooling air inlets are arranged and distributed at intervals.

As a preferable technical scheme of the floor brush cooling system, a plurality of cooling air outlets are arranged and distributed at intervals.

As a preferable technical scheme of the floor brush cooling system, an air filter is arranged at the cooling air inlet.

As a preferable technical scheme of the floor brush cooling system, the air filter is a filter screen.

As an optimal technical scheme of the floor brush cooling system, a motor air inlet and a motor air outlet are formed in the motor, the motor air inlet and the cooling air inlet are located on the same side, and the motor air outlet and the cooling air outlet are located on the same side.

As a preferable technical scheme of the floor brush cooling system, the shell comprises a bottom cover and an upper cover, and the bottom cover and the upper cover are detachably connected.

As a preferable technical scheme of the floor brush cooling system, the cooling air inlet is formed in the upper cover, and the cooling air outlet is formed in the bottom cover.

It is another object of the present invention to provide a floor brush including a floor brush cooling system as described in any of the above aspects.

It is a further object of the present invention to provide a vacuum cleaner including a floor brush as described above.

The utility model has the beneficial effects that:

the utility model provides a floor brush cooling system which comprises a shell and a motor, wherein the shell is provided with a motor cavity, the motor is arranged in the motor cavity, the shell is provided with a cooling air inlet and a cooling air outlet, the cooling air inlet and the cooling air outlet are respectively positioned on two sides of the motor along the central axis direction of the motor, one of the cooling air inlet and the cooling air outlet is positioned above the central axis of the motor, and the other cooling air inlet and the cooling air outlet are positioned below the central axis of the motor. Through the arrangement, the cooling air can obliquely flow downwards to the lower part of the motor from the upper part of the motor when circulating, or obliquely flow upwards to the upper part of the motor from the lower part of the motor, so that the cooling air can flow through the center of the motor, the cooling inside the motor is more balanced, the cooling efficiency of the motor can be improved, the heat dissipation performance of the motor is optimized, and the service life of the motor is prolonged.

Drawings

FIG. 1 is a front cross-sectional view of a cooling system for a floor brush provided by an embodiment of the present invention;

FIG. 2 is a rear view of a cooling system for a floor brush provided by an embodiment of the present invention.

In the figure:

10. a housing; 11. a bottom cover; 111. a cooling air outlet; 12. an upper cover; 121. a cooling air inlet; 20. an electric motor.

Detailed Description

The technical scheme of the utility model is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The dust collector is an important tool for people to clean living environment and working environment. The main cleaning part of the dust collector is a floor brush, most of rolling brushes in the floor brush are driven by a driving motor arranged in a floor brush shell, and the driving motor is arranged in a motor cavity formed by the floor brush shell. The motor generates a large amount of heat during operation, and generally, the cooling fan in the motor is used to exchange and circulate air inside and outside the motor to dissipate heat of the motor. In the prior art, the cooling air inlet on the casing is mostly arranged on the central axis of the motor or above the central axis, and the cooling air outlet on the casing is mostly also arranged on the central axis of the motor or above the central axis, so that the cooling air only passes through the part of the motor above the central axis when circulating, thereby the cooling efficiency of the motor is low, the heat dissipation performance is poor, and the service life of the motor is shortened.

In view of the above technical problems, an embodiment of the present invention provides a floor brush cooling system, as shown in fig. 1 and 2, the floor brush cooling system includes a housing 10 and a motor 20, the housing 10 has a motor cavity, the motor 20 is disposed in the motor cavity, the housing 10 is provided with a cooling air inlet 121 and a cooling air outlet 111, the cooling air inlet 121 and the cooling air outlet 111 are respectively located on two sides of the motor 20 along a central axis direction of the motor 20, and the cooling air inlet 121 and the cooling air outlet 111 are located one above the central axis of the motor 20 and the other below the central axis of the motor 20. Through the arrangement, when circulating, the cooling air can obliquely flow downwards from the upper part of the motor 20 to the lower part of the motor 20 (as shown by the arrow direction in fig. 1), or obliquely flow upwards from the lower part of the motor 20 to the upper part of the motor 20, so that the cooling air can flow through the center of the motor 20, the cooling inside the motor 20 is more balanced, the cooling efficiency of the motor 20 can be improved, the heat dissipation performance of the motor 20 is optimized, and the service life of the motor 20 is prolonged.

In the present embodiment, the cooling air inlet 121 is located above the central axis of the motor 20, and the cooling air outlet 111 is located below the central axis of the motor 20, so that the cooling air can flow obliquely downward from above the motor 20 to below the motor 20 (as shown by the arrow in fig. 1) when flowing. This arrangement is more favorable to the flow of the cooling wind.

Preferably, the cooling air inlet 121 is provided in plurality, and the plurality of cooling air inlets 121 are spaced apart to increase the intake air amount. The cooling air outlets 111 are provided in plural, and the plural cooling air outlets 111 are distributed at intervals to improve the circulation efficiency of the cooling air.

Preferably, an air filter is disposed at the cooling air inlet 121 to filter the air entering the casing 10, so as to prevent impurities from entering the casing 10 and accumulating, and prevent impurities from entering the motor 20 and affecting the operation performance of the motor 20. In this embodiment, the air filter is preferably a filter net, so that the air filter has a good filtering effect and a low cost.

In addition, the motor 20 is further provided with a motor air inlet and a motor air outlet, the motor air inlet and the cooling air inlet 121 are located on the same side, and the motor air outlet and the cooling air outlet 111 are located on the same side. After entering the housing 10 through the cooling air inlet 121, the cooling air enters the motor 20 through the motor air inlet, and then flows out of the motor 20 through the motor air outlet, and then flows out of the housing 10 through the cooling air outlet 111. By causing the cooling air to flow through the inside of the motor 20, the cooling efficiency of the motor 20 can be further improved.

In this embodiment, the housing 10 includes a bottom cover 11 and an upper cover 12, and the bottom cover 11 and the upper cover 12 are detachably connected to facilitate the assembly, disassembly and maintenance of the motor 20. Preferably, the cooling air inlet 121 is opened in the upper cover 12, and the cooling air outlet 111 is opened in the bottom cover 11, but not limited thereto.

The embodiment of the utility model also provides the floor brush which comprises the floor brush cooling system. By adopting the floor brush cooling system, the cooling efficiency of the motor 20 can be improved, the heat dissipation performance of the motor 20 is optimized, and the service life of the motor 20 is prolonged.

The embodiment of the utility model also provides a dust collector which comprises the floor brush. By adopting the floor brush, the service life of the dust collector can be prolonged.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A ground brush cooling system comprises a shell (10) and a motor (20), wherein the shell (10) is provided with a motor cavity, the motor (20) is arranged in the motor cavity, and the ground brush cooling system is characterized in that the shell (10) is provided with a cooling air inlet (121) and a cooling air outlet (111), the cooling air inlet (121) and the cooling air outlet (111) are respectively positioned at two sides of the motor (20) along the central axis direction of the motor (20), one of the cooling air inlet (121) and the cooling air outlet (111) is positioned above the central axis of the motor (20), and the other one of the cooling air inlet (121) and the cooling air outlet is positioned below the central axis of the motor (20).

2. The floor brush cooling system according to claim 1, wherein the cooling wind inlet (121) is provided in plurality, and the plurality of cooling wind inlets (121) are distributed at intervals.

3. The floor brush cooling system according to claim 1, wherein the cooling air outlet (111) is provided in plurality, and the plurality of cooling air outlets (111) are distributed at intervals.

4. A floor brush cooling system according to claim 1, characterized in that an air filter is arranged at the cooling air inlet (121).

5. The floor brush cooling system of claim 4, wherein the air filter is a screen.

6. The floor brush cooling system according to any one of claims 1-5, wherein the motor (20) is provided with a motor inlet and a motor outlet, the motor inlet is located on the same side as the cooling air inlet (121), and the motor outlet is located on the same side as the cooling air outlet (111).

7. A floor brush cooling system according to any one of claims 1-5, characterized in that the housing (10) comprises a bottom cover (11) and an upper cover (12), the bottom cover (11) and the upper cover (12) being detachably connected.

8. A floor brush cooling system according to claim 7, characterized in that the cooling air inlet (121) opens into the upper cover (12) and the cooling air outlet (111) opens into the bottom cover (11).

9. A floor brush comprising a floor brush cooling system as claimed in any one of claims 1 to 8.

10. A vacuum cleaner comprising a floor brush as claimed in claim 9.