CN219072372U

CN219072372U - Air filter device capable of being matched

Info

Publication number: CN219072372U
Application number: CN202223539678.6U
Authority: CN
Inventors: 杨琳
Original assignee: Mann and Hummel Filter Shanghai Co Ltd
Current assignee: Mann and Hummel Filter Shanghai Co Ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-26
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to an optional air filtering device, which comprises a shell and a filtering component arranged in the shell; the shell comprises an upper shell (1) provided with an air inlet (11) and a lower shell (2) provided with an air outlet (21), and the filter assembly comprises a first-stage filter element (3) and a second-stage filter element (4); the upper shell (1) is detachably connected with the lower shell (2), the second-stage filter element (4) is clamped in the lower shell (2), and the first-stage filter element (3) is clamped between the second-stage filter element (4) and the upper shell (1). Wherein the first-stage filter element (3) comprises a single-effect filter element or an active carbon filter element; the secondary filter element (4) comprises a HEPA filter element, a CN95 filter element or an EPA filter element. The filter element in the air filtering device can be selected according to the practical application environment, and the effective filtration of pollutants in the air under different working conditions can be realized through the combination of the first-stage filter element and the second-stage filter element with different filtering capacities.

Description

Air filter device capable of being matched

Technical Field

The utility model relates to the technical field of air filtration, in particular to an air filtration device capable of being matched.

Background

During the running of the vehicle, the inside of the vehicle is required to exchange air with the external environment through the vehicle-mounted air filtering device under the influence of the temperature, the humidity and the like of the space. Due to the reduced quality of urban air, existing cabin air filtration systems do not meet the needs of users in different areas and different environments.

Disclosure of Invention

It is an object of the present utility model to provide an alternative air filtration device.

The aim of the utility model can be achieved by the following technical scheme: an optional air filtering device comprises a shell and a filtering component arranged inside the shell; the shell comprises an upper shell provided with an air inlet and a lower shell provided with an air outlet, and the filter assembly comprises a first-stage filter element and a second-stage filter element; the upper shell is detachably connected with the lower shell, the second-stage filter element is clamped in the lower shell, and the first-stage filter element is clamped between the second-stage filter element and the upper shell.

Further, the first-stage filter element comprises a single-effect filter element or an active carbon filter element.

Further, the secondary filter element comprises a HEPA filter element, a CN95 filter element or an EPA filter element.

Further, the connection mode of the upper shell and the lower shell comprises a buckle connection.

Further, a limiting groove for fixing the first-stage filter element is formed in the upper shell.

Further, a first limit groove and a second limit groove for installing the secondary filter element are formed in the lower shell.

Furthermore, the secondary filter element is arranged and fixed between the first limit groove and the second limit groove in the lower shell.

Furthermore, a sealing ring is arranged at the contact part of the secondary filter element and the first limit groove.

Further, the first-stage filter element is fixed between the second-stage filter element and a limit groove in the upper shell.

Further, a clean side air outlet pipe is nested and arranged at the air outlet of the lower shell.

Further, the shell and the clean side air outlet pipe are both plastic parts.

Compared with the prior art, the utility model has the following advantages:

1. the air filtering device is provided with the upper shell, the lower shell, the first-stage filter element and the second-stage filter element in a matched mode, is convenient to assemble and disassemble, has the characteristic of optional matching, is convenient to assemble and disassemble, enables the filter element which meets actual requirements to be replaced more quickly and conveniently, is convenient to configure different filter elements according to air quality of different areas in an actual application process, and meets requirements of users in different areas and different environments;

2. the first-stage filter element comprises a single-effect filter element or an active carbon filter element; the secondary filter element comprises a HEPA filter element, a CN95 filter element or an EPA filter element, and different filter media are adopted to filter pollutants in the air under different working conditions, so that in the practical application process, the effect of filtering the pollutants in the air under different working conditions can be achieved through the combination of the primary filter element and the secondary filter element with different filtering capacities according to the quality of the atmospheric environment of the region;

3. the utility model adopts two-stage filtration, the air filtration efficiency in the vehicle can reach the filtration requirement of 13 stages, and sufficient and clean air can be provided for the vehicle;

4. the upper shell and the lower shell are connected by the buckle, the primary filter element and the secondary filter element are positioned by the limiting groove, the structure is simple, and the installation and the disassembly are convenient.

Drawings

FIG. 1 is a schematic view of an air filtration device of the present utility model;

FIG. 2 is an exploded view of the air filtration device of the present utility model;

FIG. 3 is a top view of the air filtration device of the present utility model;

FIG. 4 is a cross-sectional view of an air filtration device of the present utility model;

FIG. 5 is an enlarged schematic view of the air filter device of the present utility model at A in cross-section;

FIG. 6 is a schematic flow diagram of the air flow in the air filtration device of the present utility model;

the marks in the figure are as follows: 1: an upper housing; 11: an air inlet; 12: a limit groove; 2: a lower housing; 21: an air outlet; 22: a first limit groove; 23: the second limit groove; 3: a primary filter element; 4: a secondary filter element; 41: a seal ring; 5: clean side outlet duct.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The various devices used in the examples below are all commercially available devices.

Example 1

As shown in fig. 1-6, an alternative air filtration device includes a housing and a filter assembly mounted within the housing; the shell comprises an upper shell 1 and a lower shell 2, wherein the upper shell 1 is provided with an air inlet 11 and a limit groove 12; the lower shell 2 is provided with an air outlet 21, a first limit groove 22 and a second limit groove 23; the filter assembly comprises a first-stage filter element 3 and a second-stage filter element 4, wherein the first-stage filter element 3 comprises a single-effect filter element or an activated carbon filter element; the secondary filter element 4 comprises a HEPA filter element, a CN95 filter element or an EPA filter element;

specifically, the upper shell 1 and the lower shell 2 are detachably connected through a buckle, the second-stage filter element 4 is clamped and fixed between the first limit groove 22 and the second limit groove 23 in the lower shell 2, a sealing ring 41 is arranged at the contact part of the second-stage filter element 4 and the first limit groove 22, the clean side formed by the second-stage filter element and the lower shell is sealed, the first-stage filter element 3 is clamped and fixed between the second-stage filter element 4 and the limit groove 12 in the upper shell 1, and the clean side air outlet pipe 5 is nested and installed at the air outlet 21 of the lower shell 2.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that modifications may be made to the technical solutions described in the foregoing embodiments or equivalents may be substituted for some of the technical features thereof, and these modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model in essence.

Claims

1. An optional air filtering device is characterized by comprising a shell and a filtering component arranged inside the shell; the shell comprises an upper shell (1) provided with an air inlet (11) and a lower shell (2) provided with an air outlet (21), and the filter assembly comprises a first-stage filter element (3) and a second-stage filter element (4); the upper shell (1) is detachably connected with the lower shell (2), the second-stage filter element (4) is clamped in the lower shell (2), and the first-stage filter element (3) is clamped between the second-stage filter element (4) and the upper shell (1).

2. An optional air filtration device according to claim 1, wherein the primary filter element (3) comprises a single effect filter element or an activated carbon filter element.

3. An optional air filtration device according to claim 1, wherein the secondary filter element (4) comprises a HEPA filter element, a CN95 filter element or an EPA filter element.

4. An optional air filter device according to claim 1, wherein the upper housing (1) and the lower housing (2) are connected in a snap-fit connection.

5. An optional air filter according to claim 1, wherein the upper housing (1) is provided with a limiting groove (12) for fixing the primary filter element (3).

6. An optional air filter according to claim 5, wherein the lower housing (2) is provided with a first limit groove (22) and a second limit groove (23) for mounting the secondary filter element (4).

7. An optional air filter device according to claim 6, wherein the secondary filter element (4) is mounted and fixed between a first limit groove (22) and a second limit groove (23) in the lower housing (2).

8. An optional air filter according to claim 7, wherein the second filter element (4) is provided with a sealing ring (41) at the contact point with the first limiting groove (22).

9. An optional air filter device according to claim 7, wherein the primary filter element (3) is secured between the secondary filter element (4) and a limiting groove (12) in the upper housing (1).

10. An optional air filter according to claim 1, wherein the clean side outlet duct (5) is nested in the air outlet (21) of the lower housing (2).