WO2023185047A1

WO2023185047A1 - Air purifier

Info

Publication number: WO2023185047A1
Application number: PCT/CN2022/135344
Authority: WO
Inventors: 邬志坚
Original assignee: 邬志坚
Priority date: 2022-03-28
Filing date: 2022-11-30
Publication date: 2023-10-05
Also published as: CN217900116U

Abstract

An air purifier, comprising a housing (100). A purification assembly for purifying air and a fan (200) for driving a gas to flow are provided in an inner cavity of the housing (100); the housing (100) is provided with an air inlet (121) and an air outlet (111), and the purification assembly and the fan (200) are located between the air inlet (121) and the air outlet (111); a driving motor (300) is further provided in the inner cavity of the housing (100), and the driving motor (300) is provided on a side portion of the fan (200), and drives the fan (200) by a belt to drive the fan (200) to rotate. The fan (200) is driven by a belt pulley instead of being directly driven by the motor, so that the inner cavity of the housing (100) is fully utilized, the air exchange amount is increased as much as possible while reducing the occupied space, and the air purification efficiency is improved. The fan (200) is arranged in an air duct, the size of the fan is increased as much as possible by means of the size of the air duct, thereby improving the air exchange efficiency.

Description

an air purifier

Technical field

The utility model relates to an air purifier.

Background technique

The rapid development of urbanization has caused indoor and outdoor air to be polluted by dust and toxic gases to a certain extent. In addition, building materials, furniture, electrical equipment, etc. continue to release large amounts of VOCs (toxic and harmful volatile organic compounds) indoors, making Indoor air quality is worrying, directly affecting people's health and comfortable life.

With the improvement of living standards, people's requirements for air quality have gradually increased. More and more families are using air purifiers to purify indoor air and improve air quality.

However, air purifiers in the prior art usually suck external air into the purifier through the wind wheel due to the internal structure, filter the air through the purification assembly, and then blow it out along the air duct through the air outlet. The setting makes the air purifier larger in size and less beautiful in appearance. Moreover, large-volume air purifiers can only be used as vertical ones and cannot be hung on the wall to purify the air above the room. They are used in a single way. If they are set to a small size, the purification ability of the purifier will be limited.

Utility model content

In order to solve the above-mentioned problems existing in the prior art, the present utility model provides an air purifier that can purify a larger amount of air as much as possible, while reducing the space occupied by the purifier and enabling it to be used in a variety of ways. Way.

An air purifier including,

A shell, the inner cavity of the shell is provided with a purification component for purifying air and a wind wheel for driving gas flow;

The housing is provided with an air inlet and an air outlet, and the purification assembly and the wind wheel are located between the air inlet and the air outlet;

A driving motor is also provided in the inner cavity of the housing. The driving motor is arranged on the side of the wind wheel and is driven by a belt to drive the wind wheel to rotate.

By adopting the above technical solution and replacing the original direct drive of the drive motor with belt drive, the motor can be set to the side of the wind wheel to reduce the overall thickness of the shell and facilitate wall-mounted use.

The above technical solution is further configured as follows: an air duct is provided in the inner cavity of the housing, and the air duct is connected to the air outlet; the wind wheel is located in the air duct.

A further arrangement of the above technical solution is that the drive motor is arranged outside the air duct, and a first pulley is provided on the output shaft of the drive motor, and one end of the belt is arranged on the first pulley.

The above technical solution is further configured as follows: the wind wheel is connected to a second pulley through a rotating shaft, and the other end of the belt is located on the second pulley.

The above technical solution is further configured as follows: the front end surface of the air duct is provided with a purification tank, and the two end faces of the purification tank are open, the purification component is installed in the purification tank, and the purification tank is recessed into the air duct and extends to The center of the wind wheel; the wind wheel is a centrifugal wind wheel.

By adopting the above technical solution, the purification tank is extended to the inside of the air duct, that is, the purification components and the wind wheel are arranged inside the air duct, which further reduces the overall thickness of the purifier without increasing the overall area of the purifier.

A further configuration of the above technical solution is that the drive motor is a biaxial motor, the first pulley is located on the output shaft on the rear side of the drive motor, and the output shaft on the front side is provided with a fan blade.

By adopting the above technical solution, the fan blades and the first pulley are respectively arranged on the two output shafts of the drive motor, thereby reducing the load on a single output shaft. At the same time, the fan blades and the first pulley rotate at the same time to cool down the drive motor.

The above technical solution is further configured as follows: the housing includes an air inlet panel, a chamber shell and a back cover, the air inlet and the air outlet are both provided on the air inlet panel, and the air inlet panel is located at the air inlet. There is a windshield, and an air inlet gap is formed between the windshield and the edge of the air inlet.

A further configuration of the above technical solution is that a transmission cavity is left between the chamber shell and the back cover, and the first pulley, the second pulley and the belt are located in the transmission cavity.

By adopting the above technical solution, the transmission cavity is set up separately, so that the first pulley, the second pulley and other components are separated to avoid interference and damage to the components.

A further configuration of the above technical solution is that the back cover is provided with a hanging plate, and the hanging plate is provided with a hanging slot capable of being connected to an external hook.

By adopting the above technical solution and installing a hanging plate, the purifier can have a wall-hanging function.

The above technical solution is further configured as follows: the bottom of the housing is provided with detachable legs.

By adopting the above technical solution, the legs are provided so that the purifier can be stably stood on the bottom for use.

The beneficial effects of this utility model are:

1. Compared with the existing technology, the present utility model rationally arranges the internal components of the purifier, and directly drives the wind wheel through a pulley drive instead of a motor, so that the inner cavity of the casing can be fully utilized and the space occupied can be reduced as much as possible. Increase air exchange volume and improve air purification efficiency;

2. Set the wind wheel in the air duct and increase the size of the wind wheel as much as possible according to the size of the air duct to improve air exchange efficiency.

Description of drawings

Figure 1 is a schematic diagram of the exploded structure of the present utility model (the belt and purification components are not shown).

Figure 2 is a schematic structural diagram of the front end face of the chamber shell.

Figure 3 is a schematic structural diagram of the rear end face of the chamber shell.

Figure 4 is a schematic cross-sectional structural diagram of the utility model.

Marked on the drawing: 100, casing; 200, wind wheel; 121, air inlet; 111, air outlet; 300, drive motor; 112, air duct; 400, first pulley; 500, fan blade; 120, air inlet panel ; 110, chamber shell; 130, back cover; 113, purification tank; 600, wind shield; a, air inlet gap; 700, second pulley; 800, hanging plate; 801, hanging slot; 900, feet; 114 , transmission cavity.

Detailed ways

In order to further elaborate on the technical means and effects adopted by the present utility model to achieve the intended purpose of the utility model, the specific implementation manner, structure, characteristics and effects of the present utility model will be described in detail below in conjunction with the drawings and preferred embodiments. As follows.

Referring to Figure 1, an air purifier includes,

Shell 100, the inner cavity of the shell 100 is provided with a purification component for purifying air and a wind wheel 200 for driving gas flow;

The housing 100 is provided with an air inlet 121 and an air outlet 111, and the purification assembly and the wind wheel 200 are located between the air inlet 121 and the air outlet 111;

A driving motor 300 is also provided in the inner cavity of the housing 100 . The driving motor 300 is arranged on the side of the wind wheel 200 , and is driven by a belt to drive the wind wheel 200 to rotate.

Referring to FIG. 4 , preferably, the housing 100 includes an air inlet panel 120 , a chamber shell 110 and a back cover 130 . The air inlet 121 and the air outlet 111 are both provided on the air inlet panel 120 , and the air inlet 121 is disposed on the air inlet panel 120 . A windshield 600 is provided on the wind panel 120 at the air inlet 121. An air inlet gap a is formed between the windshield 600 and the edge of the air inlet 121.

In this embodiment, in order to make the air purifier more beautiful, the edge of the air inlet panel 120 is set as a bevel, and the air outlet 111 is set on the bevel. The chamber shell 110 is a shell with an open front end, and the air inlet panel 120 and the front end of the chamber shell 110 are connected through an inclined plane.

In order to better connect the air outlet 111 and the air inlet 121, an air duct 112 is provided in the inner cavity of the housing 100, and the air duct 112 is connected with the air outlet 111; the wind wheel 200 is located in the air duct. Within 112.

In order to make the components inside the housing 100 reasonably arranged and to make the overall appearance of the air purifier more beautiful, as shown in FIG. 2 , the driving motor 300 is arranged outside the air duct 112 and on the output shaft of the driving motor 300 A first pulley 400 is provided, and one end of the belt is arranged on the first pulley 400 .

Preferably, in this embodiment, the side of the air duct 112 is arranged in an arc shape, and a space is left between the side of the air duct 112 and the end surface of the housing 100. The driving motor 300 is arranged in this space, and the inner cavity of the housing 100 is fully protected. use.

In order for the driving motor 300 to drive the wind wheel 200 smoothly, as shown in FIG. 3 , a second pulley 700 is connected to the wind wheel 200 through a rotating shaft, and the other end of the belt is located on the second pulley 700 .

A transmission cavity 114 is left between the chamber shell 110 and the back cover 130 , and the first pulley 400 , the second pulley 700 and the belt are located in the transmission cavity 114 .

Preferably, the front and rear end faces of the chamber shell 110 are open, and a partition plate is provided in the middle close to the rear end face. The transmission cavity 114 is located on the rear side of the partition plate, and the back cover 130 covers the opening on the rear end face to connect the first pulley. 400. The second pulley 700 and the belt are closed and installed in the transmission cavity 114.

Preferably, a limit box is fixed to the partition in the transmission cavity 114, and the second pulley 700 is arranged in the limit box. The limit box is provided with an opening that can accommodate the passage of the belt, and one end of the belt extends into the limit box. Connected to the second pulley 700 .

In order to reduce space occupation, the driving motor 300 is a dual-shaft motor. The first pulley 400 is located on the output shaft on the rear side of the driving motor 300 , and a fan blade 500 is provided on the output shaft on the front side.

In order to realize the purification effect of the air purifier, a purification tank 113 is provided on the front end of the air duct 112, and the two end faces of the purification tank 113 are open. The purification components are installed in the purification tank 113, and the purification tank 113 faces toward the purification tank 113. The air duct 112 is recessed and extends to the center of the wind wheel 200; the wind wheel 200 is a centrifugal wind wheel 200.

The centrifugal wind wheel 200 refers to a wind wheel 200 that takes in air axially and discharges air radially, and uses centrifugal force (depending on the rotation speed and outer diameter) to do work to increase the pressure of the air.

The centrifugal wind wheel 200 rotates, the air in the air duct 112 flows, and the external air enters the purification tank 113 through the air inlet gap a. After being filtered and purified under the action of the purification assembly, it enters the middle of the centrifugal wind wheel 200 and passes through the centrifugal air. The radial air outlet of the wheel 200 blows the purified air out from the air outlet 111 along the air duct 112 to the outside.

Preferably, the wind wheel 200 is placed in the center of the air duct 112, and the size of the wind wheel 200 can be set to the maximum according to the size of the air duct 112. The blades 500 on the wind wheel 200 are connected with the air duct 112, and the air outlet of the air duct 112 is connected with the air outlet 111 on the air inlet panel 120.

In order to allow the air purifier to be used in multiple ways, a hanging plate 800 is provided on the back of the back cover 130, and a hanging slot 801 is provided on the hanging plate 800 to be connected to an external hook.

In this embodiment, the air purifier can be hung on the wall by hanging the hook on the wall into the hanging slot 801.

At the same time, the bottom of the housing 100 is provided with detachable legs 900 .

In this embodiment, the legs 900 are provided with installation grooves that can accommodate the lower end of the housing 100 to be inserted into, and there are at least two legs 900 . When you need to place the air purifier on the ground for use, you only need to snap the lower end of the air purifier into the installation slot.

The usage of this embodiment is consistent with air purifiers in the prior art, and will not be described again.

The belt and purification assembly in this embodiment are consistent with the belts and purification assemblies used in air purifiers in the prior art, and will not be described again.

The above are only preferred embodiments of the present invention and are not intended to limit the present utility model in any form. Although the present utility model has been disclosed above in terms of preferred embodiments, it is not intended to limit the present utility model. Any Those skilled in the art can make some changes or modifications to equivalent embodiments with equivalent changes using the technical content disclosed above without departing from the scope of the technical solution of the present invention. , any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

An air purifier including,

Shell (100), the inner cavity of the shell (100) is provided with a purification component for purifying air and a wind wheel (200) for driving gas flow;

The housing (100) is provided with an air inlet (121) and an air outlet (111), and the purification assembly and the wind wheel (200) are located between the air inlet (121) and the air outlet (111);

It is characterized in that: a driving motor (300) is also provided in the inner cavity of the housing (100), and the driving motor (300) is arranged on the side of the wind wheel (200) and between the wind wheel (200) and the wind wheel (200). It is driven by a belt to drive the wind wheel (200) to rotate.
The air purifier according to claim 1, characterized in that: an air duct (112) is provided in the inner cavity of the housing (100), and the air duct (112) is connected with the air outlet (111); The wind wheel (200) is located in the air duct (112).
The air purifier according to claim 2, characterized in that: the driving motor (300) is arranged outside the air duct (112), and the output shaft of the driving motor (300) is provided with a first pulley ( 400), one end of the belt is arranged on the first pulley (400).
The air purifier according to claim 3, characterized in that: the wind wheel (200) is connected to a second pulley (700) through a rotating shaft, and the other end of the belt is located on the second pulley (700).
The air purifier according to claim 2, characterized in that: a purification tank (113) is provided on the front end of the air duct (112), and two end faces of the purification tank (113) are open, and the purification assembly is installed on the air purifier. In the purification tank (113), the purification tank (113) is recessed into the air duct (112) and extends to the center of the wind wheel (200); the wind wheel (200) is a centrifugal wind wheel.
The air purifier according to claim 3, characterized in that: the driving motor (300) is a biaxial motor, and the first pulley (400) is located on the output shaft at the rear side of the driving motor (300), And the output shaft on the front side is provided with a fan blade (500).
The air purifier according to claim 4, characterized in that: the housing (100) includes an air inlet panel (120), a chamber shell (110) and a back cover (130), and the air inlet (121) and The air outlets (111) are all arranged on the air inlet panel (120), and the air inlet panel (120) is provided with a windshield (600) located at the air inlet (121). The windshield (600) An air inlet gap (a) is formed between the air inlet (121) and the edge of the air inlet (121).
The air purifier according to claim 7, characterized in that: a transmission cavity (114) is left between the chamber shell (110) and the back cover (130), and the first pulley (400), The second pulley (700) and the belt are located in the transmission cavity (114).
The air purifier according to claim 7, characterized in that: the back cover (130) is provided with a hanging plate (800), and the hanging plate (800) is provided with a hanging slot (801) capable of connecting with an external hook. .
The air purifier according to claim 1, characterized in that: the bottom of the housing (100) is provided with detachable legs (900).