CN216630105U

CN216630105U - Filter core for air purifier

Info

Publication number: CN216630105U
Application number: CN202122853984.6U
Authority: CN
Inventors: 詹建国
Original assignee: Jiangsu Zhongke Ruina Environmental Technology Co ltd
Current assignee: Jiangsu Zhongke Ruina Environmental Technology Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-05-31
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a filter element for an air purifier, which comprises a shell and a filtering unit arranged in the shell, wherein the inner wall of the shell is provided with a limiting unit, the limiting unit comprises a limiting block and a spring, and the limiting block is connected with the shell through the spring; the filter unit includes filter frame and filter house, and filter frame is the back taper platform shape, and the side and the bottom surface of filtering the frame all are provided with the filtration window, and the top surface of filtering the frame is provided with the gas outlet, and the filter house is installed and is being filtered window department. The filter unit can pass through the shell in one direction by arranging the wedge-shaped blocks in elastic connection, and the filter unit can be replaced by pressing from the upper part, so that the replacement difficulty of the filter element is simplified; through setting up multichannel filtration, avoid the filter core to lead to filtering failure because of damage or quality problems, improved the reliability of filter core.

Description

Filter core for air purifier

Technical Field

The utility model relates to the technical field of air purification devices, in particular to a filter element for an air purifier.

Background

With the development of science and technology and the emphasis of people on health, air purifiers are widely applied by people. Air purifier mainly comprises fan and filter core, and its theory of operation is: the air is driven by the fan to pass through the filter element, and the purpose of air purification is achieved by filtering particles in the air through the filter element. Along with the gathering of filter core surface particulate matter, the resistance of filter core will constantly rise, and then leads to the filter effect to descend, consequently needs regularly to change the filter core.

However, in the process of implementing the technical solution of the present invention in the embodiment of the present application, the inventors of the present application find that the above-mentioned technology has at least the following problems:

the existing filter element has small filtering area, is mostly single-channel filtering, and greatly reduces the reliability after long-time work; and the existing filter element is inconvenient to disassemble and assemble and has higher maintenance difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a filter element for an air purifier, which aims to solve the technical problems mentioned in the background technology, and the aim of the utility model is realized by the following technical scheme:

a filter element for an air purifier comprises a shell and a filtering unit arranged in the shell, wherein the inner wall of the shell is provided with a limiting unit, the limiting unit comprises a limiting block and a spring, and the limiting block is connected with the shell through the spring; the filter unit includes filter frame and filter house, and filter frame is the back taper platform shape, and the side and the bottom surface of filtering the frame all are provided with the filtration window, and the top surface of filtering the frame is provided with the gas outlet, and the filter house is installed and is being filtered window department.

Furthermore, the limiting blocks are wedge-shaped, the number of the limiting blocks is at least 3, and the limiting blocks are uniformly arranged on the same horizontal plane of the inner wall of the shell.

Furthermore, the number of the filter units is at least two, and the number of the limiting units is the same as that of the filter units.

Further, the top surface of the filter frame is provided with a sealing gasket, and the sealing gasket at least partially protrudes out of the top surface of the filter frame.

Further, the filter part is one of filter paper, filter cloth or polyurethane.

The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:

1. the filter unit can pass through the shell in one direction by arranging the wedge-shaped blocks in elastic connection, and the filter unit can be replaced by pressing from the upper part, so that the replacement difficulty of the filter element is simplified;

2. through setting up multichannel filtration, avoid the filter core to lead to filtering failure because of damage or quality problems, improved the reliability of filter core.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic structural diagram of a limiting block according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a filter unit according to an embodiment of the present application.

In the drawings, there is shown: 1. a housing; 2. a filtration unit; 21. a filter frame; 22. a filtering part; 211. a filtering window; 212. an air outlet; 3. a limiting unit; 31. a limiting block; 32. a spring.

Detailed Description

For better understanding of the above technical solutions, the following detailed descriptions will be made in conjunction with the drawings and the detailed description of the present specification, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-4, the filter element for the air purifier comprises a housing 1 and a filter unit 2 arranged in the housing 1, wherein a limiting unit 3 is arranged on the inner wall of the housing 1, the limiting unit 3 comprises a limiting block 31 and a spring 32, and the limiting block 31 is connected with the housing 1 through the spring 32; the filtering unit 2 includes a filtering frame 21 and a filtering part 22, the filtering frame 21 is in a reverse frustum shape, the side and the bottom of the filtering frame 21 are both provided with a filtering window 211, the top of the filtering frame is provided with an air outlet 212, and the filtering part 22 is installed at the filtering window 211.

Specifically, the shell 1 is a cylindrical barrel, the lower end of the shell 1 is communicated with an air inlet of the air purifier, and the upper end of the shell 1 is communicated with an air outlet of the air purifier; two filter units 2 are installed in the shell 1, and the two filter units 2 are respectively fixed in the shell 1 through two groups of limiting units 3.

As shown in fig. 1-3, the limiting unit 3 includes a limiting block 31 and a spring 32, the housing 1 is provided with an installation groove 11, the limiting block 31 is transversely installed in the installation groove 11, and the spring 32 is installed between the limiting block 31 and the housing 1 to apply a force pointing to the center of the housing 1 to the limiting block 31. Preferably, the stopper of every group spacing unit 3 is three, and three stopper 31 evenly sets up on the same horizontal plane of 1 inner wall of shell, and stopper 31 is wedge cuboid for one end to avoid stopper 31 to take place to rotate in the use.

As shown in fig. 1 and 4, the two filter units 2 include a filter frame 21 and a filter part 22, the filter frame 21 is in an inverted frustum shape integrally formed by plastic, the side surface and the bottom surface of the filter frame 21 are both provided with filter windows 211, the top surface of the filter frame 21 is provided with an air outlet 212, and the filter part 22 is installed at the filter windows 211, preferably, the filter part 21 is one of filter paper, filter cloth or polyurethane. Air passes through the filter unit 22 from the filter window 211 into the filter frame 21, particles in the air are intercepted to the outside by the filter unit 22, and filtered clean air flows out from the air outlet 212.

Preferably, the top surface of the filter frame 21 is further attached with a sealing gasket 4, the sealing gasket 4 is made of foam, and the edge of the sealing gasket 4 protrudes out of the edge of the top surface of the filter frame 21, so that the sealing performance of the filter element is ensured.

Preferably, the filter unit 2 may be further filled with activated carbon, a catalyst, and the like to further improve the purification effect.

The working principle of the utility model is as follows:

when the filter element needs to be replaced, a new filter element is pressed downwards into the shell from the upper part, so that the filter element at the lowest end is pushed out of the shell, and the filter element is replaced; meanwhile, the filter unit at the lowest side gathers most particles, and only the filter unit at the lowest side is replaced at each time, so that the utilization rate of the filter element is improved, and the use cost of the filter element is reduced.

In addition, because the filter part sets up respectively in the bottom and the side of filtering the frame, has improved filter area greatly, has improved the filter effect.

The technical scheme in the embodiment of the application at least has the following technical effects or advantages:

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A filter element for an air purifier is characterized by comprising a shell and a filtering unit arranged in the shell, wherein the inner wall of the shell is provided with a limiting unit, the limiting unit comprises a limiting block and a spring, and the limiting block is connected with the shell through the spring; the filter unit is including filtering frame and filter house, it is the back taper platform shape to filter the frame, the side and the bottom surface of filtering the frame all are provided with the filtration window, the top surface of filtering the frame is provided with the gas outlet, the filter house is installed filter window department.

2. The filter element for the air purifier as recited in claim 1, wherein the number of the limiting blocks is at least 3, and the limiting blocks are uniformly arranged on the same horizontal plane of the inner wall of the housing.

3. The filter element for the air purifier as recited in claim 2, wherein the number of the filter units is at least two, and the number of the limiting units is the same as that of the filter units.

4. The filter element of claim 1, wherein the top surface of the filter frame is provided with a gasket, and the gasket at least partially protrudes from the top surface of the filter frame.

5. The filter element of claim 1, wherein the filter part is one of filter paper, filter cloth, and polyurethane.