CN218971519U - Air purification fan - Google Patents

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 purifying fan

technical field

The utility model belongs to the technical field of fans, in particular to an air purification fan.

Background technique

Fans are products used to cool down in the hot summer. With the improvement of the manufacturing level and design level of domestic electrical appliances, the types of fan products used at home and out are becoming more and more diverse, and the fan products are also becoming smaller, more delicate, and more comfortable to use. direction of development.

For small electric fans, axial flow fans are still the dominant type at present, such as a rotating mechanism disclosed in CN202211005213.4 and an electric fan with it, which adds a rotating mechanism on the base on the basis of ordinary small fans With an axial fan, the air inlet and outlet are on the same axis. However, the disadvantage of the axial flow fan is that it is noisy, and in order to achieve a certain air volume, there must be sufficient windward area and air supply area, so that the volume of the fan head is relatively large and occupies a large space.

On the other hand, the current small fans basically have no air purification function, and the air purifiers with air purification function are limited to allowing indoor air to circulate in the machine, and do not have obvious cooling effects and do not have a corresponding large air supply range. design.

Utility model content

The purpose of the utility model is to provide an air purification fan with small volume, low noise and air purification function, so as to solve the problems mentioned in the background technology.

In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:

An air purification fan, comprising a base and a fan body, characterized in that: the fan body includes a fan casing and a cross-flow fan assembly, the front of the fan casing is provided with an air outlet, and the left and right sides are respectively provided with an air inlet, The air inlet is arranged outside, and the air filter assembly includes an outer cover, a filter body, and a filter bracket, the filter body is installed on the filter bracket, and the filter body is an activated carbon or HEPA filter screen.

It also includes a first rotating mechanism arranged between the base and the fan main body and used to drive the fan main body to rotate relative to the base.

The outer edge of the filter holder is tightly fitted and connected with the outer cover.

The main body of the fan also includes a casing support, the casing support has a U-shaped cavity and symmetrical support arms, and the support arm is provided with a support arm air inlet corresponding to the air inlet of the fan casing. The outer cover is fixed on the air inlet of the support arm by means of a turn buckle or a buckle.

The inner side of the outer cover is provided with a first installation ring, and the air inlet of the support arm is provided with a first inner circle corresponding to the installation ring, and a limiting groove is provided on one of the first installation ring and the first inner circle. In the other, a limit block is provided, and the limit groove is provided with a first notch for avoiding the entry of the limit block.

An anti-off protrusion is arranged in the limiting groove, and an anti-off recess is arranged on the limiting block to fit the anti-off protrusion.

A second rotation mechanism between the fan case and the support arm and used to drive the fan case to rotate relative to the support arm.

The fan casing includes a fixedly connected first outer casing and an air duct volute, the first outer casing is provided with a motor barrel extending into the air duct volute, the cross-flow fan assembly includes a fan motor, a cross-flow fan barrel, The fan motor is installed in the motor barrel, and the output shaft of the fan motor is connected to the cross-flow fan barrel.

The support arm includes an outer arm shell and an inner arm shell, and the second rotating mechanism includes a ring gear arranged in the turntable or integrally formed with the turntable, a transmission gear meshed with the ring gear, and a transmission gear motor. The turntable is fixed on the inner arm shell, and the transmission gear motor is fixed on the first outer shell or the volute of the air duct.

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

The utility model has the following beneficial effects:

1. The utility model adopts a cross-flow fan assembly, which makes the whole machine less noisy and compact in size. The air inlets are arranged on both sides of the fan casing, and the air enters from both sides and the front part to ensure sufficient air flow. The effect of wide air supply range is realized through the first and second rotating mechanisms, not only can it be rotated left and right, but also the air outlet of the fan can supply air within the range of 10 degrees downward horizontally to 120 degrees upward horizontally through the second rotating mechanism, which has the function of blowing air. function of the ground machine.

2. The utility model is equipped with a detachable air filter assembly on the air inlet side, and after filtering the air, it is blown out from the air outlet. The air purification effect is good, and the detachable structure is adopted, which makes it very convenient to replace the filter element.

3. The fixed installation structure of the air filter assembly is simple, and the installation and disassembly are very convenient.

4. Activated carbon and HEPA filters can be installed on both sides of the air filter assembly, or a filter material can be used on both sides.

5. HEPA filter (High efficiency particulate air Filter) is a high-efficiency air filter, which can filter pollutants such as smoke, dust and bacteria by using the air filter element sold by Dongguan Hengchuang Clean Technology Co., Ltd. or similar products from other manufacturers.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is the structural representation of the air purification fan of the present utility model;

Fig. 2 is a schematic diagram of the three-dimensional structure of the first cross-section of the air purification fan of the present invention, the first cross-section is the cross-section of the cross-flow fan cylinder;

Fig. 3 is the front view of the first section of the air purification fan of the present invention;

Fig. 4 is the front view of the second section of the air purification fan of the present invention, and the second section is the longitudinal section of the cross-flow fan cylinder;

Fig. 5 is a schematic structural diagram of the second rotating mechanism of the air purification fan of the present invention;

Fig. 6 is a schematic diagram of the installation structure of the outer cover of the air purification fan of the present invention;

Fig. 7 is a schematic diagram of the outer cover structure of the air purification fan of the present invention;

Fig. 8 is a disassembled schematic diagram of parts of the air purification fan of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-Figure 8, the utility model is an air purification fan, including a base 1 and a fan body 2, the fan body includes a fan casing 3, a cross-flow fan assembly 4, the fan casing An air outlet 5 is provided at the front, and an air inlet is provided on the left and right sides respectively. A detachable air filter assembly is provided outside the air inlet. The air filter assembly includes an outer cover 6, a filter main body 7, and a filter bracket 8. On the bracket, the filter body is activated carbon or HEPA filter.

It also includes a first rotating mechanism 9 arranged between the base and the fan body and used to drive the fan body to rotate relative to the base.

The outer edge of the filter holder 8 is closely connected with the outer cover 6 .

The main body of the fan also includes a casing support 10, the casing support has a U-shaped cavity and a symmetrical support arm 11, and the support arm is provided with a support arm air inlet 12 corresponding to the air inlet of the fan casing. , the outer cover 6 is fixed on the air inlet 12 of the support arm in a turn-lock or buckle manner.

The inner side of the outer cover is provided with a first installation ring, and the air inlet 12 of the support arm is provided with a first inner circle corresponding to the installation ring. Block 121, the limiting groove is provided with a first notch 621 to avoid the entry of the limiting block.

An anti-off protrusion 622 is provided in the limiting groove, and an anti-off recess 122 is provided on the limiting block to fit the anti-off protrusion.

The second rotating mechanism 13 is between the fan case and the support arm and is used to drive the fan case to rotate relative to the support arm.

The fan casing includes a fixedly connected first outer casing 31 and an air duct volute 32, the first outer casing is provided with a motor barrel 33 extending into the air duct volute, and the cross-flow fan assembly 4 includes a fan motor 41, A cross-flow fan cylinder 40, the fan motor is installed in the motor cylinder, and the output shaft of the fan motor is connected to the cross-flow fan cylinder.

The support arm includes an outer arm shell 17 and an inner arm shell 18, and the second rotating mechanism includes a ring gear disposed in the turntable 15 or integrally formed with the turntable 15, a transmission gear meshed with the ring gear, a transmission Gear motor 14, the rotating disk is fixed on the inner arm shell, and the transmission gear motor is fixed on the first outer shell or the air duct volute.

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

In the description of this specification, descriptions referring to the terms "one embodiment", "example", "specific example" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in the description of the present invention. In at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific 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 present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not exhaust all details, nor do they limit the utility model to the described specific implementations. Obviously, many modifications and variations can be made based on the contents of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that those skilled in the art can well understand and utilize the utility model. The invention is to be limited only by the claims and their full scope and equivalents.

Claims (10)

1. An air purification fan, comprising a base and a fan main body, characterized in that: the fan main body includes a fan casing and a cross-flow fan assembly, the front of the fan casing is provided with an air outlet, and the left and right sides are respectively provided with inlets A detachable air filter assembly is arranged outside the air inlet, and the air filter assembly includes an outer cover, a filter body, and a filter bracket. The filter body is installed on the filter bracket, and the filter body is an activated carbon or HEPA filter. 2 . The air cleaning fan according to claim 1 , further comprising a first rotating mechanism disposed between the base and the fan body and configured to drive the fan body to rotate relative to the base. 3 . 3. The air purifying fan according to claim 1, characterized in that: the outer edge of the filter bracket is closely connected with the outer cover. 4. The air purification fan according to claim 1, 2 or 3, characterized in that: the fan body further comprises a housing support, the housing support has a U-shaped cavity and symmetrical support arms, The support arm is provided with a support arm air inlet corresponding to the air inlet of the fan casing, and the outer cover is fixed on the support arm air inlet by a turn buckle or buckle. 5. The air purification fan according to claim 4, characterized in that: a first installation ring is provided on the inner side of the outer cover, and a first inner circle is provided at the air inlet of the support arm corresponding to the installation ring, and in the One of the first mounting ring and the first inner circle is provided with a limiting groove, and the other is provided with a limiting block, and the limiting groove is provided with a first notch for avoiding the entry of the limiting block. 6 . The air purification fan according to claim 5 , wherein an anti-off protrusion is provided in the limiting slot, and an anti-off recess is provided on the limiting block to fit the anti-off protrusion. 7 . 7. The air cleaning fan according to claim 4, characterized in that there is a second rotating mechanism between the fan casing and the support arm for driving the fan casing to rotate relative to the support arm . 8. The air cleaning fan according to claim 7, characterized in that: the fan casing includes a fixedly connected first outer casing and an air duct volute, and the first outer casing is provided with a motor extending into the air duct volute barrel, the cross-flow fan assembly includes a fan motor and a cross-flow fan barrel, the fan motor is installed in the motor barrel, and the output shaft of the fan motor is connected to the cross-flow fan barrel. 9. The air cleaning fan according to claim 8, characterized in that: the support arm includes an outer arm shell and an inner arm shell, and the second rotating mechanism includes a ring gear arranged in the turntable or integrally formed with the turntable . A transmission gear and a transmission gear motor engaged with the ring gear, the turntable is fixed on the inner arm shell, and the transmission gear motor is fixed on the first outer shell or the air duct volute. 10 . The air cleaning fan according to claim 9 , wherein the first outer shell is spherical, and the bottom of the inner arm shell extends below the first outer shell, thereby forming a U-shaped concave cavity. 11 .

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