CN215446773U - Air purifier - Google Patents

Abstract

The utility model relates to an air purifier, which comprises a shell, a filter element and an electrical assembly, wherein the filter element and the electrical assembly are arranged in the shell, the shell is provided with a cavity arranged along an axial direction, the electrical assembly comprises an electrical support, a control panel arranged on the electrical support and a fan arranged in the shell, the electrical support is fixedly arranged at the upper part of the cavity and forms an air outlet communicated with the cavity, the filter element is arranged at the lower part of the cavity, and the lower part of the shell is provided with an air inlet communicated with the cavity, so that the problem that the conventional air purifier is inconvenient to install is solved.

Description

Air purifier

Technical Field

The utility model relates to the technical field of air purification equipment, in particular to an air purifier.

Background

The air cleaner is a device that purifies polluted air and changes the air into fresh air, and the air cleaner sucks the polluted air by a fan, collects fine dust and bacteria by a filter, and removes odor such as body odor and smoke.

With the improvement of the air quality requirement of consumers, air purifiers which are small in size and convenient to carry, such as vehicle-mounted purifiers, desktop purifiers and the like, appear on the market. For example, CN211781647U discloses an air purifier, which is limited in volume, the internal components are compactly assembled, thereby increasing the difficulty of assembly, and the assembly is prone to damage of the fittings.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air purifier to solve the problem that the existing air purifier is inconvenient to install.

The specific scheme is as follows:

the utility model provides an air purifier, includes the casing to and install filter core and electric subassembly in the casing, the casing has along the cavity of an axial setting, electric subassembly includes electric support, installs control panel on electric support and installs the fan in the casing, electric support fixed mounting is on the upper portion of cavity to form the air outlet that is linked together with the cavity, the filter core is installed in the lower part of cavity, and the lower part of casing has the air intake that is linked together the setting with the cavity.

Further, the air outlet is formed in the electric bracket.

Furthermore, the electric bracket and the shell are fixedly connected through a buckle.

Furthermore, the middle part of the cavity is provided with a blocking part, the lower part of the cavity is also provided with a bottom cover, the bottom cover is fixedly assembled at the lower end part of the inner shell and is provided with a butting part extending into the cavity, and the blocking part and the butting part are matched to fixedly assemble the filter element in the cavity.

Further, the casing includes interior casing and shell body, the cavity is formed on interior casing, the lower part of interior casing has first air inlet window, the shell body cover is established on the periphery side of interior casing to form the annular channel who is linked together with the first air inlet window on the interior casing, have a plurality of second air inlet windows of seting up along the cavity axial on the shell body, second air inlet window is greater than first air inlet window along the ascending length of cavity axial direction.

Further, the total area of the first air inlet windows is not less than 70% of the total area of the outer peripheral wall of the filter element.

Furthermore, the upper end of the inner shell is provided with a flange protruding towards the radial direction of the cavity, and the upper end of the outer shell is matched with the flange on the inner shell for limiting and positioning.

Further, the step fit setting between the flange of upper end of shell body and interior casing upper end.

Furthermore, the outer shell is formed by combining a plurality of outer shell units, and a second air inlet window is formed between every two adjacent outer shell units.

Furthermore, at least one of the outer shell units is also provided with a second air inlet window.

Compared with the prior art, the air purifier provided by the utility model has the following advantages: the air purifier provided by the utility model assembles the electric part and the filter element in an assembly mode, and reduces the assembling difficulty while ensuring the compact assembling.

Drawings

Fig. 1 shows a perspective view of an air purifier.

Fig. 2 shows a schematic cross-sectional view of an air purifier.

Fig. 3 shows a schematic view of an electrical assembly.

Fig. 4 shows a schematic view of the inner housing.

Fig. 5 shows a schematic view of the outer housing.

Detailed Description

To further illustrate the various embodiments, the utility model provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the utility model and, together with the description, serve to explain the principles of the embodiments. Those skilled in the art will appreciate still other possible embodiments and advantages of the present invention with reference to these figures. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The utility model will now be further described with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 3, the present embodiment provides an air cleaner including a housing 1, and a filter element 2 and an electrical component 3 installed in the housing.

The housing 1 has a cavity 10 disposed along an axial direction, the cavity 10 has an appearance structure matched with that of the filter element 2, and since most of the existing filter elements are circular ring structures, the cavity 10 also generally has a substantially cylindrical structure, and for convenience of description, two ends of the cavity 10 along the axial direction are respectively defined as an upper end and a lower end.

The filter element 2 and the electrical assembly 3 are installed at the lower and upper portions of the cavity 10, respectively. The electrical component 3 includes an electrical support 30, a control panel 31 mounted on the electrical support 30, and a fan 32 mounted on the housing 1, the control panel 31 is electrically connected to the fan 32, and since the control panel controls the fan 32 to operate, for example, the control of modes such as on/off, multi-gear air volume, etc. is the prior art, the control mode and the control circuit can be the same as those of the existing air purifier, so that only one module is used for representation here, and detailed structures and circuits thereof are not repeated.

The housing 1 has a fixing post for fixing the fan 32, and the fan 32 is fixed on the fixing post 301 by a screw fixing method. The electric bracket 30 further has a mounting portion for mounting the control panel 31, and the control panel 31 is fixed to the electric bracket 30 by a fixing screw. The electric bracket 30 is fixedly installed at the upper portion of the cavity 10, and forms an air outlet 11 communicated with the cavity 10. In the present embodiment, the air outlet 11 is formed on the electrical rack 30, which not only facilitates injection molding of the housing 1 and the electrical rack 30, but also facilitates assembly between the electrical rack 30 and the housing 1.

Preferably, the electrical bracket 30 and the housing 1 are fixed by a snap connection, that is, a snap 303 or a snap groove is formed on the electrical bracket 30, and a snap groove matched with the snap or a snap matched with the snap groove is formed on the housing 1, so as to facilitate the assembly between the electrical bracket 30 and the housing 1.

The filter element 2 is installed at the lower part of the cavity 10, and the lower part of the shell 1 is provided with an air inlet 12 communicated with the cavity 10, so that air in the external environment can enter the cavity 10 from the air inlet 12, and is discharged from the air outlet 11 after being filtered by the filter element 2, and the air purification effect is realized.

The middle part of cavity 10 has a block 13, this block 13 carries out axial spacing to the upper portion of filter core 2, a bottom 5 is still installed to the lower part of cavity 10, bottom 5 fixed assembly is at the lower tip of casing 1, and it has the portion 51 that hinders that supports that extends to in the cavity 10, should hinder portion 51 and carry out axial spacing to the lower part of filter core 2, through block 13 and the cooperation of portion 51 that hinders and with filter core 2 fixed assembly in cavity 10, so that installation and the change of filter core 2, and because the change only need take off bottom 5, then take out filter core 2 change can, make mutual independence between filter core 2 and the electric component 3, each other does not influence, can not influence another because of the operation of one of them, be convenient for its assembly and change.

In this embodiment, referring to fig. 1 to 5, the housing 1 includes an inner housing 41 and an outer housing 42, wherein the cavity 10 is formed on the inner housing 42, a first air inlet window 420 is formed at a lower portion of the inner housing 42, the outer housing 41 is covered on an outer peripheral side of the inner housing 42, a space is formed between an inner peripheral wall of the outer housing 41 and an outer peripheral wall of the inner housing 42, and an annular passage 411 communicating with the first air inlet window 420 on the inner housing 42 is formed, a plurality of second air inlet windows 412 opened along an axial direction of the cavity 10 are formed on the outer housing 41, and a length of the second air inlet windows 412 along the axial direction of the cavity 10 is greater than a length of the first air inlet windows 420 along the axial direction of the cavity 10.

In the air flow direction of the air purifier provided in this embodiment, under the action of the fan 32, air in the external environment is sucked into the annular channel 411 from the second air inlet window 412 of the outer housing 41, and then flows to the first air inlet window 420 from the annular channel 411, and is discharged from the air outlet 11 after being filtered by the filter element 2. Because form annular channel 411 between shell body 41 and the interior casing 42, and set up on shell body 41 and can not influence the wind channel design on the interior casing 42 along the ascending second air inlet window 412 of cavity 10 axial direction, consequently can design second air inlet window 412 bigger at cavity 10 axial direction's length, can be under the circumstances of guaranteeing the whole aesthetic property of air purifier, still can guarantee that this air purifier can have big air inlet area, so that this air purifier has bigger air inlet area under the circumstances of same volume, and can not influence air purifier's aesthetic property yet.

In this embodiment, the total area of the first air inlet windows 420 is not less than 70% of the total area of the peripheral wall of the filter element 2, and preferably, the total area of the first air inlet windows 420 is greater than 80% of the total area of the peripheral wall of the filter element 2, so that the filter element 2 has a larger effective filtering area while having a larger air inlet area. It should be noted that the total area of the outer peripheral wall of the filter element 2 is determined by the diameter of the filter element 2, and a cylindrical filter element is exemplified, and the outer diameter of the filter element is R and the height thereof is H, and the total area S of the outer peripheral wall of the filter element 2 is pi RH, and some filter elements in the prior art increase the filtration area by stacking pleats, but the filter element is still determined by the outer diameter and the height thereof, that is, the total area S of the outer peripheral wall of the filter element 2 is pi RH.

In this embodiment, referring to fig. 4-5, the upper end of the inner housing 42 has a flange 421 protruding toward the radial direction of the cavity 10, and the upper end and the lower end of the outer housing 41 are respectively matched with the flanges 421 corresponding to the upper end and the lower end of the inner housing 42 for positioning and limiting, so that the outer housing 41 is conveniently fixed on the inner housing 42.

Preferably, the upper and lower ends of the outer case 41 and the flanges 421 of the upper and lower ends of the inner case 42 are engaged with each other in a stepped manner to facilitate the assembly between the outer case 41 and the inner case 42.

In this embodiment, referring to fig. 4, a plurality of ribs 413 are disposed on the inner peripheral wall of the outer shell 41, the ribs 413 are protruded along the radial direction of the cavity 10, and after the outer shell 41 is fixedly mounted on the inner shell 42, the free end surfaces of the ribs 413 abut against the outer wall of the inner shell 42, so as to enhance the strength between the outer shell 41 and the inner shell 42, and also provide positioning and limiting effects for the outer shell assembly, which facilitates the mounting of the outer shell.

In the present embodiment, referring to fig. 4, the outer casing 41 is formed by combining a plurality of outer casing units 410, and a second air intake window 412 is formed between two adjacent outer casing units 410. The outer shell 41 is formed by combining a plurality of outer shell units 410, so that the outer shell 41 can be assembled conveniently, gaps between two adjacent outer shell units 410 are used as second air inlet windows 412, the second air inlet windows 412 can have larger air inlet areas, layering can be achieved between the inner shell and the outer shell, and the overall attractiveness of the air purifier can be guaranteed.

Preferably, at least one of the outer casing units 410 is further provided with a second air intake window 412 to increase the total air intake area on the outer casing 41.

Through tests, compared with the structure of the lower side air inlet in the prior art, the maximum air output of the air purifier disclosed in the figure 1 is improved by about 60% under the same appearance volume and the same fan power, which proves that the structure has obvious advantages in air output.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (10)

1. An air purifier, its characterized in that: including the casing to and install filter core and electric assembly in the casing, the casing has along the cavity of an axial setting, electric assembly includes electric support, installs control panel and fan on electric support, electric support fixed mounting is on the upper portion of cavity to form the air outlet that is linked together with the cavity, the filter core is installed in the lower part of cavity, and the lower part of casing has the air intake that is linked together the setting with the cavity.

2. The air purifier of claim 1, wherein: the air outlet is formed on the electric bracket.

3. The air purifier of claim 1, wherein: the electric bracket and the shell are fixedly connected through a buckle.

4. The air purifier of claim 1, wherein: the middle part of cavity has a block portion, a bottom is still installed to the lower part of cavity, the lower tip of casing including the bottom fixed assembly, and it has the portion of stopping that extends to in the cavity, block portion and the cooperation of portion of stopping stop and with filter core fixed assembly in the cavity.

5. The air purifier of claim 1, wherein: the casing includes interior casing and shell body, the cavity is formed on interior casing, the lower part of interior casing has first air inlet window, the shell body cover is established on the periphery side of interior casing to form the annular channel who is linked together with the first air inlet window on the interior casing, have a plurality of second air inlet windows of seting up along the cavity axial on the shell body, second air inlet window is greater than first air inlet window along the ascending length of cavity axial direction.

6. The air purifier of claim 5, wherein: the electrical support is the inner housing.

7. The air purifier of claim 5, wherein: the upper end of the inner shell is provided with a flange protruding towards the radial direction of the cavity, and the upper end of the outer shell is matched with the flange on the inner shell for limiting and positioning.

8. The air purifier of claim 7, wherein: the upper end of the outer shell and the flange of the upper end of the inner shell are arranged in a step matching mode.

9. The air purifier of claim 5, wherein: the outer shell is formed by combining a plurality of outer shell units, and a second air inlet window is formed between every two adjacent outer shell units.

10. The air cleaner of claim 9, wherein: at least one the shell body unit is also provided with a second air inlet window.

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