A replaceable filter mask

Abstract

This utility model discloses a mask with replaceable filters, including a mask, an air inlet, an exhaust outlet, an upper filter sleeve, and a lower filter sleeve. By setting a limiting groove, a magnetic sleeve, and a guide block, the filter cylinder and filter element are installed, causing the filter cylinder to move the limiting block into the lower filter sleeve. Subsequently, the limiting groove and the limiting block cooperate to limit the installation of the filter cylinder and filter element, preventing them from moving inside the lower filter sleeve and thus hindering effective filtration. This solves the problem that users cannot replace the internal filter structure of the mask as needed, which may lead to reduced filtration efficiency despite continued use, thus reducing protective effect. Furthermore, the inability to replace the filter structure results in an increase in the number of discarded masks, exacerbating the burden of waste disposal.

Description

Technical Field

[0001] This utility model relates to the field of mask technology, specifically to a mask with replaceable filter elements. Background Technology

[0002] A face mask is a hygiene product, generally worn over the mouth and nose to filter the air entering the mouth and nose, thereby blocking harmful gases, odors, droplets, viruses, and other substances. It is made of gauze or paper and has a certain filtering effect on the air entering the lungs. Wearing a face mask is very effective during respiratory infectious disease outbreaks or when working in dusty or polluted environments. Face masks can be divided into air-filtering masks and air-supplying masks.

[0003] However, existing technologies have some problems:

[0004] During use, users cannot replace the internal filter structure of the mask as needed. They may continue to use the mask even when the filtration effect is reduced, thereby reducing the protective effect. Furthermore, the inability to replace the filter structure leads to an increase in the number of discarded masks, which in turn exacerbates the burden of waste disposal. Utility Model Content

[0005] To address the problems mentioned in the background art, the purpose of this utility model is to provide a mask with replaceable filter elements, which has the advantage of convenient replacement of the internal filter structure of the mask. This solves the problem that users may continue to use the mask even when the filtration effect is reduced due to the inability to replace the internal filter structure as needed, thereby reducing the protective effect. Furthermore, the inability to replace the filter structure leads to an increase in the number of discarded masks, which in turn exacerbates the burden of waste disposal.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a mask with replaceable filter elements, comprising a mask, an air inlet, an exhaust outlet, an upper filter sleeve, and a lower filter sleeve. The air inlet is located at the bottom of the front of the mask, and the exhaust outlet is located on the left and rear sides of the front of the mask. The upper filter sleeve is movably installed at the bottom of the air inlet and communicates with the air inlet. The lower filter sleeve is movably installed at the bottom of the upper filter sleeve. A filter cylinder is movably installed inside the lower filter sleeve, and a filter element is movably installed inside the filter cylinder. A limiting component is provided inside the lower filter sleeve.

[0007] As a preferred embodiment of this utility model, the limiting component includes a limiting groove and a limiting block. The limiting groove is formed on the left and right sides of the inner wall of the lower filter sleeve. The limiting block is movably installed inside the limiting groove. The inner side of the limiting block is fixedly connected to the outer side of the filter cylinder. The top of the limiting block is in contact with the bottom of the upper filter sleeve.

[0008] As a preferred embodiment of this utility model, a magnetic sleeve is fixedly installed on the top surface of the lower filter sleeve, the top of the inner wall of the magnetic sleeve is movably fitted with the bottom surface of the upper filter sleeve, and magnetic blocks are fixedly installed on the left and right sides of the bottom of the upper filter sleeve, with the magnetic blocks magnetically engaging with the inner wall of the magnetic sleeve.

[0009] As a preferred embodiment of this utility model, guide blocks are fixedly installed on both the front and rear sides of the inner wall of the magnetic sleeve, and guide grooves are opened on both the front and rear sides of the bottom of the upper filter sleeve, with the guide blocks and guide grooves being inserted into each other.

[0010] As a preferred embodiment of this utility model, the bottom of the lower filter sleeve is provided with a first air inlet hole, and the first air inlet hole is provided in several groups and distributed in a ring at equal distances. A support sleeve is fixedly installed on the bottom of the inner wall of the lower filter sleeve, and the top of the support sleeve is in contact with the bottom of the filter cylinder.

[0011] As a preferred embodiment of this utility model, the bottom of the filter cylinder is provided with a second air inlet hole, and the second air inlet hole is provided in several groups and is distributed in a ring at equal distances. A filter plate is fixedly installed on the top of the inner wall of the upper filter sleeve, and the bottom of the filter plate is in contact with the top of the filter cylinder.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model, by setting a limiting groove, a magnetic sleeve, and a guide block, allows the filter cylinder and filter element to be installed. The filter cylinder moves the limiting block into the lower filter sleeve, and then the limiting groove and the limiting block cooperate to limit the installation of the filter cylinder and filter element, preventing the filter cylinder and filter element from moving inside the lower filter sleeve and thus failing to perform effective filtration. Installing the lower filter sleeve allows the magnetic sleeve to be fitted onto the surface of the upper filter sleeve, and the magnetic block at the bottom of the upper filter sleeve magnetically engages with the magnetic sleeve to connect the lower filter sleeve. This facilitates the installation of the filter cylinder and filter element by the upper and lower filter sleeves, thereby achieving the filtration effect. During the installation of the magnetic sleeve, the guide block engages with the guide groove at the bottom of the upper filter sleeve to guide the installation of the magnetic sleeve and the lower filter sleeve. This solves the problem that users cannot replace the internal filter structure of the mask as needed, which may lead to a decrease in filtration effect but continued use, thus reducing the protective effect. Furthermore, the inability to replace the filter structure leads to an increase in the number of discarded masks, exacerbating the burden of waste disposal. It has the advantage of convenient replacement of the internal filter structure of the mask.

[0014] 2. This utility model uses a limiting component set inside the lower filter sleeve to install the filter cylinder and filter element, causing the filter cylinder to move the limiting block into the lower filter sleeve. Then, the limiting groove and the limiting block cooperate to limit the installation of the filter cylinder and filter element, preventing the filter cylinder and filter element from moving inside the lower filter sleeve and thus failing to perform effective filtration.

[0015] 3. This utility model uses a magnetic sleeve set on the top of the surface of the lower filter sleeve to install the lower filter sleeve, which causes the lower filter sleeve to move and be fitted onto the surface of the upper filter sleeve. The magnetic block at the bottom of the upper filter sleeve and the magnetic sleeve magnetically engage to connect the lower filter sleeve, thereby facilitating the installation of the filter cylinder and filter element by the cooperation of the upper and lower filter sleeves, thus achieving the filtration effect. Attached Figure Description

[0016] Fig. 1 This is a three-dimensional structural diagram of the present invention;

[0017] Fig. 2 This is a cross-sectional view of the lower filter sleeve of this utility model;

[0018] Fig. 3 This is a cross-sectional view of the upper filter sleeve of this utility model.

[0019] In the diagram: 1. Mask; 2. Air inlet; 3. Exhaust outlet; 4. Upper filter sleeve; 5. Lower filter sleeve; 6. Filter cylinder; 7. Filter element; 8. Limiting component; 81. Limiting groove; 82. Limiting block; 9. Magnetic sleeve; 10. Magnetic block; 11. Guide block; 12. Guide groove; 13. First air inlet; 14. Support sleeve; 15. Second air inlet; 16. Filter plate. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figs. 1 to 3 As shown, the present invention provides a replaceable filter mask, including a mask 1, an air inlet 2, an exhaust outlet 3, an upper filter sleeve 4, and a lower filter sleeve 5. The air inlet 2 is located at the bottom front of the mask 1, and the exhaust outlet 3 is located on the left and rear sides of the front of the mask 1. The upper filter sleeve 4 is movably installed at the bottom of the air inlet 2 and communicates with the air inlet 2. The lower filter sleeve 5 is movably installed at the bottom of the upper filter sleeve 4. A filter cylinder 6 is movably installed inside the lower filter sleeve 5, and a filter core 7 is movably installed inside the filter cylinder 6. A limiting component 8 is provided inside the lower filter sleeve 5.

[0022] refer to Fig. 2The limiting component 8 includes a limiting groove 81 and a limiting block 82. The limiting groove 81 is opened on the left and right sides of the inner wall of the lower filter sleeve 5. The limiting block 82 is movably installed inside the limiting groove 81. The inner side of the limiting block 82 is fixedly connected to the outer side of the filter cylinder 6. The top of the limiting block 82 is in contact with the bottom of the upper filter sleeve 4.

[0023] As a technical optimization of this utility model, by setting a limiting component 8 inside the lower filter sleeve 5, the filter cylinder 6 and the filter element 7 are installed so that the filter cylinder 6 drives the limiting block 82 to move into the lower filter sleeve 5. Then, the limiting groove 81 and the limiting block 82 cooperate to limit the installation of the filter cylinder 6 and the filter element 7, so as to prevent the filter cylinder 6 and the filter element 7 from moving inside the lower filter sleeve 5 and thus failing to perform effective filtration.

[0024] refer to Fig. 3 A magnetic sleeve 9 is fixedly installed on the top of the surface of the lower filter sleeve 5. The top of the inner wall of the magnetic sleeve 9 is movably fitted with the bottom of the surface of the upper filter sleeve 4. Magnetic blocks 10 are fixedly installed on the left and right sides of the bottom of the upper filter sleeve 4. The magnetic blocks 10 are magnetically attracted to the inner wall of the magnetic sleeve 9.

[0025] As a technical optimization of this utility model, the magnetic sleeve 9 is set on the top of the surface of the lower filter sleeve 5. The lower filter sleeve 5 is installed so that the lower filter sleeve 5 drives the magnetic sleeve 9 to be fitted onto the surface of the upper filter sleeve 4. The magnetic block 10 at the bottom of the upper filter sleeve 4 and the magnetic sleeve 9 are magnetically attracted to each other to connect the lower filter sleeve 5. This facilitates the installation of the filter cylinder 6 and the filter element 7 by the cooperation of the upper filter sleeve 4 and the lower filter sleeve 5, thereby achieving the filtration effect.

[0026] refer to Fig. 3 Guide blocks 11 are fixedly installed on the front and rear sides of the inner wall of the magnetic sleeve 9. Guide grooves 12 are opened on the front and rear sides of the bottom of the upper filter sleeve 4. The guide blocks 11 and guide grooves 12 are inserted and matched.

[0027] As a technical optimization of this utility model, the magnetic sleeve 9 is guided and installed by the guide blocks 11 set on the front and rear sides of the inner wall of the magnetic block 10. When the magnetic sleeve 9 is installed, the guide blocks 11 are inserted and cooperated with the guide groove 12 at the bottom of the upper filter sleeve 4, thereby guiding the installation of the magnetic sleeve 9 and the lower filter sleeve 5.

[0028] refer to Fig. 2 The bottom of the lower filter sleeve 5 is provided with a first air inlet 13. The first air inlet 13 is provided in several groups and is distributed in a ring at equal distances. A support sleeve 14 is fixedly installed on the bottom of the inner wall of the lower filter sleeve 5. The top of the support sleeve 14 is in contact with the bottom of the filter cylinder 6.

[0029] As a technical optimization of this utility model, the first air inlet 13 at the bottom of the lower filter sleeve 5 allows air from the outside of the mask 1 to effectively enter the interior of the lower filter sleeve 5. The support sleeve 14 supports the filter cylinder 6 and the filter element 7, thereby facilitating the filter cylinder 6 and the filter element 7 to work together to filter the air entering the interior of the lower filter sleeve 5.

[0030] refer to Fig. 2 and Fig. 3 The bottom of the filter cylinder 6 is provided with a second air inlet 15. The second air inlet 15 is provided in several groups and is distributed in a ring at equal intervals. The top of the inner wall of the upper filter sleeve 4 is fixedly installed with a filter plate 16, and the bottom of the filter plate 16 is attached to the top of the filter cylinder 6.

[0031] As a technical optimization of this utility model, the air entering the lower filter sleeve 5 is allowed to flow into the filter cylinder 6 through the second air inlet 15 at the bottom of the filter cylinder 6 and be filtered by the filter element 7. Then, the air filtered by the filter element 7 flows into the mask 1.

[0032] The working principle and usage process of this utility model are as follows: During use, installing the filter cylinder 6 and filter element 7 causes the filter cylinder 6 to move the limiting block 82 into the lower filter sleeve 5. Then, the limiting groove 81 and the limiting block 82 cooperate to limit the installation of the filter cylinder 6 and filter element 7, preventing them from moving inside the lower filter sleeve 5 and thus hindering effective filtration. Installing the lower filter sleeve 5 causes the magnetic sleeve 9 to be fitted onto the surface of the upper filter sleeve 4. The magnetic block 10 at the bottom of the upper filter sleeve 4 magnetically engages with the magnetic sleeve 9 to connect the lower filter sleeve 5, facilitating the installation of the filter cylinder 6 and filter element 7 through the cooperation of the upper and lower filter sleeves 4 and 5. When the magnetic sleeve 9 is installed, it is inserted into the guide groove 12 at the bottom of the upper filter sleeve 4 via the guide block 11, thereby guiding the installation of the magnetic sleeve 9 and the lower filter sleeve 5. The first air inlet 13 allows the air outside the mask 1 to effectively enter the lower filter sleeve 5, and the support sleeve 14 supports the filter cylinder 6 and the filter element 7, so that the filter cylinder 6 and the filter element 7 can work together to filter the air entering the lower filter sleeve 5. The second air inlet 15 allows the air entering the lower filter sleeve 5 to flow into the filter cylinder 6 and be filtered by the filter element 7, so that the air filtered by the filter element 7 flows into the mask 1.

[0033] In summary, this replaceable filter mask, by setting a limiting groove 81, a magnetic sleeve 9, and a guide block 11, allows the filter cylinder 6 and filter element 7 to be installed. The filter cylinder 6 moves the limiting block 82 into the lower filter sleeve 5. Subsequently, the limiting groove 81 and the limiting block 82 cooperate to limit the installation of the filter cylinder 6 and filter element 7, preventing them from moving inside the lower filter sleeve 5 and thus hindering effective filtration. Installing the lower filter sleeve 5 causes the magnetic sleeve 9 to be fitted onto the surface of the upper filter sleeve 4. The magnetic block 10 at the bottom of the upper filter sleeve 4 magnetically engages with the magnetic sleeve 9 to ensure proper filtration. The lower filter sleeve 5 is connected to facilitate the installation of the filter cylinder 6 and filter element 7 by the upper filter sleeve 4 and the lower filter sleeve 5, thereby achieving the filtration effect. When the magnetic sleeve 9 is installed, it is inserted into the guide groove 12 at the bottom of the upper filter sleeve 4 through the guide block 11, thereby guiding the installation of the magnetic sleeve 9 and the lower filter sleeve 5. This solves the problem that users cannot replace the internal filter structure of the mask as needed, which may lead to a decrease in the filtration effect but continued use, thereby reducing the protective effect. In addition, the inability to replace the filter structure leads to an increase in the number of discarded masks, which exacerbates the burden of waste disposal.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A replaceable filter mask, comprising a mask (1), an air inlet (2), an exhaust outlet (3), an upper filter sleeve (4), and a lower filter sleeve (5), characterized in that: The air inlet (2) is located at the bottom front of the mask (1), and the exhaust outlet (3) is located on the left and rear sides of the front of the mask (1). The upper filter sleeve (4) is movably installed at the bottom of the air inlet (2) and connected to the air inlet (2). The lower filter sleeve (5) is movably installed at the bottom of the upper filter sleeve (4). A filter cylinder (6) is movably installed inside the lower filter sleeve (5). A filter element (7) is movably installed inside the filter cylinder (6). A limiting component (8) is provided inside the lower filter sleeve (5).

2. A mask with a replaceable filter element according to claim 1, characterized in that: The limiting component (8) includes a limiting groove (81) and a limiting block (82). The limiting groove (81) is opened on the left and right sides of the inner wall of the lower filter sleeve (5). The limiting block (82) is movably installed inside the limiting groove (81). The inner side of the limiting block (82) is fixedly connected to the outer side of the filter cylinder (6). The top of the limiting block (82) is in contact with the bottom of the upper filter sleeve (4).

3. A mask with a replaceable filter element according to claim 1, characterized in that: A magnetic sleeve (9) is fixedly installed on the top surface of the lower filter sleeve (5). The top of the inner wall of the magnetic sleeve (9) is movably fitted with the bottom surface of the upper filter sleeve (4). Magnetic blocks (10) are fixedly installed on the left and right sides of the bottom of the upper filter sleeve (4). The magnetic blocks (10) are magnetically attracted to the inner wall of the magnetic sleeve (9).

4. A mask with a replaceable filter element according to claim 3, characterized in that: Guide blocks (11) are fixedly installed on the front and rear sides of the inner wall of the magnetic sleeve (9), and guide grooves (12) are opened on the front and rear sides of the bottom of the upper filter sleeve (4). The guide blocks (11) and guide grooves (12) are inserted and matched.

5. A mask with a replaceable filter element according to claim 1, characterized in that: The bottom of the lower filter sleeve (5) is provided with a first air inlet (13). The first air inlet (13) is provided in several groups and is distributed in a ring at equal distances. A support sleeve (14) is fixedly installed on the bottom of the inner wall of the lower filter sleeve (5). The top of the support sleeve (14) is in contact with the bottom of the filter cylinder (6).

6. A mask with a replaceable filter element according to claim 1, characterized in that: The filter cylinder (6) has a second air inlet (15) at the bottom. The second air inlet (15) is provided in several groups and is distributed in a ring at equal distances. The filter plate (16) is fixedly installed on the top of the inner wall of the upper filter sleeve (4). The bottom of the filter plate (16) is in contact with the top of the filter cylinder (6).

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