CN218971519U

CN218971519U - Air purification fan

Info

Publication number: CN218971519U
Application number: CN202320030319.3U
Authority: CN
Inventors: 陈运胜
Original assignee: Guangdong Shunde Edon Creative Daily Commodities Co ltd
Current assignee: Guangdong Shunde Edon Creative Daily Commodities Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-05-05
Anticipated expiration: 2033-01-06

Abstract

The utility model discloses an air purifying fan, and relates to the technical field of fans. The novel air filter comprises a base and a fan main body, wherein the fan main body comprises a fan housing and a cross-flow fan assembly, an air outlet is formed in the front of the fan housing, air inlets are respectively formed in the left side and the right side of the fan housing, a detachable air filter assembly is arranged outside the air inlet, the air filter assembly comprises an outer housing, a filter main body and a filter support, the filter main body is arranged on the filter support, and the filter main body is an activated carbon or HEPA filter screen. The utility model adopts the cross-flow fan assembly, so that the noise of the whole machine is lower, the volume is small, the air inlets are arranged at the two sides of the fan housing, the air inlet at the two sides and the air supply at the front part are realized, the sufficient air inlet flow is ensured, and the effect of wide air supply range is realized through the first rotating mechanism and the second rotating mechanism.

Description

Air purification fan

Technical Field

The utility model belongs to the technical field of fans, and particularly relates to an air purifying fan.

Background

The fan is a product for cooling and relieving summer heat in hot summer, and with the improvement of the manufacturing level and the design level of domestic electrical products, the types of fan products used at home and outdoors are more and more diversified, and the fan products are also developed towards the directions of small size, delicacy and comfortable use.

For small-sized electric fans, an axial-flow fan is still dominant at present, and a rotating mechanism and an electric fan with the rotating mechanism are disclosed in CN 202211005213.4. However, the axial fan has the disadvantage of high noise, and in order to achieve a certain air volume, it is necessary to have enough frontal area and air supply area, so that the volume of the fan head is relatively large and the space is large.

On the other hand, the current small fan basically has no air purifying function, but the air purifier with the air purifying function is only limited to enable indoor air to circulate in the machine, and has no obvious effect of relieving summer heat and cooling and no corresponding design with a large air supply range.

Disclosure of Invention

The utility model aims to provide an air purifying fan with small volume, low noise and air purifying function, so as to solve the problems in the prior art.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

an air purification fan, includes base and fan main part, its characterized in that: the fan main part includes fan housing, cross flow fan subassembly, the front portion of fan housing sets up the air outlet, the left and right sides sets up the air intake respectively, and the air intake outside sets up, air filter subassembly includes dustcoat, filter main part, filtration support, filter the main part and install on the filtration support, it is activated carbon or HEPA filter screen to filter the main part.

The fan also comprises a first rotating mechanism which is arranged between the base and the fan main body and is used for driving the fan main body to rotate relative to the base.

The outer edge of the filter support is in tight fit connection with the outer cover.

The fan main body further comprises a housing support, the housing support is provided with a U-shaped concave cavity and symmetrical supporting arms, the supporting arms are provided with supporting arm air inlets corresponding to the air inlets of the fan housing, and the outer cover is fixed on the supporting arm air inlets in a screwing or buckling mode.

The inner side of the outer cover is provided with a first mounting ring, the air inlet of the supporting arm is provided with a first inner circle corresponding to the mounting ring, one of the first mounting ring and the first inner circle is provided with a limiting groove, the other one of the first mounting ring and the first inner circle is provided with a limiting block, and the limiting groove is provided with a first notch for avoiding the limiting block to enter.

The limiting groove is internally provided with an anti-falling protrusion, and the limiting block is provided with an anti-falling recess matched with the anti-falling protrusion.

And the second rotating mechanism is arranged between the fan housing and the supporting arm and is used for driving the fan housing to rotate relative to the supporting arm.

The fan housing cover comprises a first housing cover and an air duct volute which are fixedly connected, the first housing cover is provided with a motor barrel which stretches into the air duct volute, the cross-flow fan assembly comprises a fan motor and a cross-flow fan barrel, the fan motor is arranged in the motor barrel, and an output shaft of the fan motor is connected with the cross-flow fan barrel.

The support arm comprises an outer arm shell and an inner arm shell, the second rotating mechanism comprises a gear ring arranged in the rotary disc or integrally formed with the rotary disc, a transmission gear meshed with the gear ring for transmission, and a transmission gear motor, the rotary disc is fixed on the inner arm shell, and the transmission gear motor is fixed on the first housing cover or the air duct volute.

The first housing shell is spherical, and the bottom of the inner arm shell extends below the first housing shell, thereby forming a U-shaped cavity.

The utility model has the following beneficial effects:

1. the utility model adopts the cross-flow fan assembly, so that the noise of the whole machine is lower, the volume is small, the air inlets are arranged at the two sides of the fan housing, the air inlet at the two sides and the air supply at the front part ensure sufficient air inlet flow, the effect of wide air supply range is realized through the first and the second rotating mechanisms, the cross-flow fan assembly can rotate left and right, the air inlet of the fan can supply air in the range from 10 degrees horizontally downwards to 120 degrees horizontally upwards through the second rotating mechanism, and the cross-flow fan has the function of a floor blower.

2. The detachable air filtering component is arranged on the air inlet side, air is filtered and then blown out from the air supply outlet, the air purifying effect is good, and the filter element is quite convenient to replace by adopting the detachable structure.

3. The fixed mounting structure of the air filtering component is simple, and the installation and the disassembly are very convenient.

4. The air filter assembly can be provided with activated carbon and HEPA filter screens on two sides respectively, and can also adopt a filter material on two sides.

5. HEPA filter (Highefaciency filter) is a high efficiency air filter that can filter smoke, dust, bacteria, etc. using air filter cartridges sold by Dongguan city constant trauma clean technology limited or other manufacturer-like products.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for 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 utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an air purifying fan according to the present utility model;

FIG. 2 is a schematic view of a first cross-section of an air purifying fan according to the present utility model, wherein the first cross-section is a cross-section of a cross-flow fan barrel;

FIG. 3 is a front view of a first cross section of an air cleaning fan of the present utility model;

FIG. 4 is a front view of a second cross section of the air cleaning fan of the present utility model, the second cross section being a longitudinal section of the cross-flow fan barrel;

FIG. 5 is a schematic view of a second rotary mechanism of the air cleaning fan according to the present utility model;

FIG. 6 is a schematic view of a housing mounting structure of an air cleaning fan according to the present utility model;

FIG. 7 is a schematic view of the outer cover of the air purifying fan according to the present utility model;

fig. 8 is a schematic diagram showing the disassembly of parts of the air cleaning fan of the present utility model.

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. 1-8, the present utility model is an air purifying fan, comprising a base 1 and a fan main body 2, wherein the fan main body comprises a fan housing 3 and a cross-flow fan assembly 4, the front part of the fan housing is provided with an air outlet 5, the left side and the right side are respectively provided with an air inlet, the outer side of the air inlet is provided with a detachable air filtering assembly, the air filtering assembly comprises an outer cover 6, a filtering main body 7 and a filtering bracket 8, the filtering main body is mounted on the filtering bracket, and the filtering main body is an activated carbon or HEPA filter screen.

The fan also comprises a first rotating mechanism 9 which is arranged between the base and the fan main body and is used for driving the fan main body to rotate relative to the base.

The outer edge of the filter support 8 is tightly connected with the outer cover 6.

The fan main body further comprises a shell support 10, the shell support is provided with a U-shaped concave cavity and symmetrical supporting arms 11, the supporting arms are provided with supporting arm air inlets 12 corresponding to the air inlets of the fan shell, and the outer cover 6 is fixed on the supporting arm air inlets 12 in a screwing or buckling mode.

The inner side of the outer cover is provided with a first mounting ring, the support arm air inlet 12 is provided with a first inner circle corresponding to the mounting ring, the first mounting ring is provided with a limiting groove 62, a limiting block 121 is arranged on the first inner circle, and the limiting groove is provided with a first notch 621 for avoiding the limiting block to enter.

The limiting groove is internally provided with an anti-falling protrusion 622, and the limiting block is provided with an anti-falling recess 122 matched with the anti-falling protrusion.

And a second rotating mechanism 13 between the fan housing and the supporting arm and used for driving the fan housing to rotate relative to the supporting arm.

The fan housing comprises a first housing cover 31 and a wind channel volute 32 which are fixedly connected, the first housing cover is provided with a motor cylinder 33 which extends into the wind channel volute, the cross-flow fan assembly 4 comprises a fan motor 41 and a cross-flow fan cylinder 40, the fan motor is installed in the motor cylinder, and an output shaft of the fan motor is connected with the cross-flow fan cylinder.

The support arm comprises an outer arm shell 17 and an inner arm shell 18, the second rotating mechanism comprises a gear ring arranged in the rotary disc 15 or integrally formed with the rotary disc 15, a transmission gear meshed with the gear ring for transmission, and a transmission gear motor 14, the rotary disc is fixed on the inner arm shell, and the transmission gear motor is fixed on the first housing cover or the air duct volute.

The first housing shell 31 is spherical and the bottom of the inner arm shell extends below the first housing shell, thereby forming a U-shaped cavity.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. An air purification fan, includes base and fan main part, its characterized in that: the fan main part includes fan housing, cross flow fan subassembly, the front portion of fan housing sets up air outlet, left and right sides and sets up the air intake respectively, and the air intake outside sets up detachable air filter assembly, air filter assembly includes dustcoat, filter main part, filtration support, filter the main part and install on the filtration support, it is activated carbon or HEPA filter screen to filter the main part.

2. The air cleaning fan of claim 1, wherein: the fan also comprises a first rotating mechanism which is arranged between the base and the fan main body and is used for driving the fan main body to rotate relative to the base.

3. The air cleaning fan of claim 1, wherein: the outer edge of the filter support is in tight fit connection with the outer cover.

4. An air cleaning fan according to claim 1, 2 or 3, wherein: the fan main body further comprises a housing support, the housing support is provided with a U-shaped concave cavity and symmetrical supporting arms, the supporting arms are provided with supporting arm air inlets corresponding to the air inlets of the fan housing, and the outer cover is fixed on the supporting arm air inlets in a screwing or buckling mode.

5. The air cleaning fan as claimed in claim 4, wherein: the inner side of the outer cover is provided with a first mounting ring, the air inlet of the supporting arm is provided with a first inner circle corresponding to the mounting ring, one of the first mounting ring and the first inner circle is provided with a limiting groove, the other one of the first mounting ring and the first inner circle is provided with a limiting block, and the limiting groove is provided with a first notch for avoiding the limiting block to enter.

6. The air cleaning fan as claimed in claim 5, wherein: the limiting groove is internally provided with an anti-falling protrusion, and the limiting block is provided with an anti-falling recess matched with the anti-falling protrusion.

7. The air cleaning fan as claimed in claim 4, wherein: and the second rotating mechanism is arranged between the fan housing and the supporting arm and is used for driving the fan housing to rotate relative to the supporting arm.

8. The air cleaning fan of claim 7, wherein: the fan housing cover comprises a first housing cover and an air duct volute which are fixedly connected, the first housing cover is provided with a motor barrel which stretches into the air duct volute, the cross-flow fan assembly comprises a fan motor and a cross-flow fan barrel, the fan motor is arranged in the motor barrel, and an output shaft of the fan motor is connected with the cross-flow fan barrel.

9. The air cleaning fan of claim 8, wherein: the support arm comprises an outer arm shell and an inner arm shell, the second rotating mechanism comprises a gear ring arranged in the rotary disc or integrally formed with the rotary disc, a transmission gear meshed with the gear ring for transmission, and a transmission gear motor, the rotary disc is fixed on the inner arm shell, and the transmission gear motor is fixed on the first housing cover or the air duct volute.

10. The air cleaning fan of claim 9, wherein: the first housing shell is spherical, and the bottom of the inner arm shell extends below the first housing shell, thereby forming a U-shaped cavity.