Novel breathing filter

Abstract

The novel breathing filter comprises a lower shell and a convex block, an upper shell is arranged at the top of the lower shell, a sampling port is connected to the top of the upper shell, a filter membrane is fixedly connected to the interior of the upper shell, and sealing plates are arranged on the two sides of the lower shell and the two sides of the upper shell. According to the novel breathing filter, the positioning blocks on the two sides of the lower shell are inserted into the positioning grooves in the two sides of the upper shell, positioning splicing of the lower shell and the upper shell can be completed after insertion, the two sides of the top of the lower shell can make contact with the side plates on the two sides of the upper shell, the lower shell and the side plates are matched to form a concentric-square-shaped structure, and the sealing performance of the two sides can be improved; then the sealing plate can be spliced with the other two sides of the lower shell and the upper shell to seal the other two sides of the lower shell and the upper shell, at the moment, the lower shell, the upper shell and the side plates can be welded together through an ultrasonic welding machine, and the shell of the breathing filter is assembled.

Description

Technical Field

[0001] This utility model relates to the field of respiratory filter technology, specifically a novel respiratory filter. Background Technology

[0002] A breathing filter is a device used to filter out fine particles and pollutants from the air, commonly found in respirators, masks, and other respiratory protective equipment. Its main function is to prevent harmful substances such as bacteria, viruses, dust, and smoke from entering the respiratory tract, ensuring the respiratory safety of healthcare workers and patients.

[0003] When patients breathe air, the air is filtered through a breathing filter to prevent bacteria, viruses, and dust from entering the respiratory tract. Existing breathing filters are assembled by splicing the upper and lower shells together and then fixing them together with welding equipment. However, it is difficult to position and align the upper and lower shells during splicing, and the sealing of the contact surfaces is poor. Utility Model Content

[0004] The purpose of this invention is to provide a novel breathing filter to solve the problem mentioned in the background art that existing breathing filters are difficult to seal and fix.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a novel breathing filter, comprising: a lower housing and a protrusion, wherein an upper housing is disposed on the top of the lower housing, and a sampling port is connected to the top of the upper housing.

[0006] A filter membrane is fixedly connected inside the upper shell. Sealing plates are provided on both sides of the lower shell and the upper shell. Side plates are fixedly connected on the two sides of the upper shell away from the sealing plates. A positioning groove is opened in the middle of the side plate, and the positioning groove is inserted into the positioning block.

[0007] Preferably, the inner side of the sealing plate abuts against one side of the lower housing and the upper housing, and one side of the positioning block is fixedly connected to the top of the lower housing.

[0008] Preferably, there are two sets of positioning blocks and positioning slots, and the two sets of positioning slots are symmetrically distributed about the transverse center line of the upper shell.

[0009] Preferably, two sets of protrusions are fixedly connected to the top of the sampling port, a protective cover is provided on the top of the sampling port, a spring is fixedly connected to the inner side of the protective cover, and a connecting plate is fixedly connected to the bottom of the spring.

[0010] Preferably, multiple sets of sliders are fixedly connected to the outer side of the connecting plate. The sliders are rectangular in shape, and the outer side of the sliders is slidably connected to the protective cover. The inner side of the protective cover is provided with a groove that matches the slider.

[0011] Preferably, the bottom of the connecting plate is provided with two sets of connecting blocks, the top of the connecting blocks is wedge-shaped, one end of the connecting blocks is fixedly connected to a limiting block, and one side of the limiting block is arc-shaped.

[0012] Compared with existing technologies, the beneficial effects of this new breathing filter are:

[0013] 1. When a patient breathes air, the air is filtered through the breathing filter to prevent bacteria, viruses, and dust from entering the respiratory tract. When assembling the lower and upper shells, the positioning blocks on both sides of the lower shell are inserted into the positioning grooves on both sides of the upper shell. After insertion, the lower and upper shells are positioned and assembled. The two sides of the top of the lower shell will contact the side plates on both sides of the upper shell. The lower shell and the side plates cooperate to form a "U" shape, which can improve the sealing of both sides. Then, the sealing plate can be spliced ​​with the other two sides of the lower and upper shells to complete the sealing of the other two sides of the lower and upper shells. At this time, the lower shell, upper shell, and side plates can be fused together by an ultrasonic welding machine to complete the assembly of the breathing filter shell. The above operations facilitate the sealing assembly of the breathing filter.

[0014] 2. When a patient breathes air, the air is filtered through a breathing filter to prevent bacteria, viruses, and dust from entering the respiratory tract. To sample the inside of the breathing filter, press down on the protective cover. As the cover moves, it causes the connecting plate to contact the sampling port, compressing the spring at the top of the connecting plate. Simultaneously, the limiting block inside the protective cover moves down. When one end of the limiting block disengages from the protrusion, the protective cover can be rotated to misalign the connecting block with the protrusion. Then, the protective cover is moved upwards to separate from the sampling port, allowing sampling. After sampling, the protective cover can be inserted into the top of the sampling port. Rotating the cover causes the connecting block to contact the wedge-shaped surface at the bottom of the protrusion, compressing the spring. When the limiting block passes the protrusion, the spring resets, causing the protective cover and limiting block to move upwards, engaging the limiting block with the protrusion. This process facilitates sampling from the breathing filter. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of the present invention;

[0016] Figure 2 This is a three-dimensional cross-sectional view of the present invention;

[0017] Figure 3 This is a three-dimensional schematic diagram of the upper shell of this utility model;

[0018] Figure 4 This is a three-dimensional schematic diagram of the sampling port of this utility model;

[0019] Figure 5This is a three-dimensional schematic diagram of the protective cover of this utility model;

[0020] Figure 6 This is an enlarged schematic diagram of A of this utility model.

[0021] In the diagram: 1. Lower shell; 2. Upper shell; 3. Sampling port; 4. Filter membrane; 5. Sealing plate; 6. Side plate; 7. Positioning groove; 8. Positioning block; 9. Protrusion; 10. Protective cover; 11. Spring; 12. Connecting plate; 13. Slider; 14. Slide groove; 15. Connecting block; 16. Limiting block. Detailed Implementation

[0022] 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.

[0023] Please see Figures 1-4 This utility model provides a technical solution: a novel breathing filter, comprising: a lower housing 1 and a protrusion 9, an upper housing 2 being disposed on the top of the lower housing 1, and a sampling port 3 being connected to the top of the upper housing 2.

[0024] A filter membrane 4 is fixedly connected inside the upper shell 2. Sealing plates 5 are provided on both sides of the lower shell 1 and the upper shell 2. Side plates 6 are fixedly connected on the sides of the upper shell 2 away from the sealing plates 5. A positioning groove 7 is provided in the middle of the side plate 6, and the positioning groove 7 is inserted into the positioning block 8.

[0025] The inner side of the sealing plate 5 abuts against one side of the lower housing 1 and the upper housing 2, and one side of the positioning block 8 is fixedly connected to the top of the lower housing 1; the positioning block 8 and the positioning groove 7 are provided in two sets, and the two sets of positioning grooves 7 are symmetrically distributed about the transverse center line of the upper housing 2.

[0026] During specific implementation, when the patient breathes air, the air is filtered by a breathing filter to prevent bacteria, viruses, and dust from entering the respiratory tract. When splicing the lower housing 1 and the upper housing 2, the positioning blocks 8 on both sides of the lower housing 1 are inserted into the positioning grooves 7 on both sides of the upper housing 2. After insertion, the positioning and splicing of the lower housing 1 and the upper housing 2 can be completed. Moreover, both sides of the top of the lower housing 1 will contact the side plates 6 on both sides of the upper housing 2. The lower housing 1 and the side plates 6 cooperate with each other to form a "hui" character shape, which can improve the sealing performance on both sides. Then, the sealing plate 5 can be spliced with the other two sides of the lower housing 1 and the upper housing 2 to complete the sealing of the other two sides of the lower housing 1 and the upper housing 2. At this time, the lower housing 1, the upper housing 2, and the side plates 6 can be welded together by an ultrasonic welding machine to complete the assembly of the outer shell of the breathing filter. The filter membrane 4 inside the breathing filter is a non-woven melt-blown cloth, which can efficiently filter microorganisms through the principle of electrostatic adsorption. Thus, through the above operations, the sealing assembly of the breathing filter can be facilitated.

[0027] Please refer to Figure 1 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , two groups of bumps 9 are fixedly connected to the top of the sampling port 3. A protective cover 10 is arranged on the top of the sampling port 3. A spring 11 is fixedly connected to the inside of the protective cover 10. The bottom of the spring 11 is fixedly connected to a connecting plate 12; multiple groups of sliders 13 are fixedly connected to the outside of the connecting plate 12. The outer shape of the slider 13 is rectangular, and the outside of the slider 13 is slidably connected to the protective cover 10. A sliding groove 14 matching the slider 13 is opened on the inside of the protective cover 10; two groups of connecting blocks 15 are arranged at the bottom of the connecting plate 12. The top of the connecting block 15 is wedge-shaped. One end of the connecting block 15 is fixedly connected to a limiting block 16. One side of the limiting block 16 is arc-shaped. The slider 13, the sliding groove 14, and the protective cover 10 form a sliding structure.

[0028] In practice, when a patient breathes air, the air is filtered through a breathing filter to prevent bacteria, viruses, and dust from entering the respiratory tract. When sampling the inside of the breathing filter, pressing down on the protective cover 10 causes it to move downwards. This movement of the cover 10 causes the connecting plate 12 to contact the sampling port 3, thus compressing the spring 11 at the top of the connecting plate 12. Simultaneously, the limiting block 16 inside the protective cover 10 also moves downwards. When one end of the limiting block 16 disengages from the protrusion 9, the protective cover 10 can be rotated to move the connecting block 15... The protrusion 9 is misaligned, and then the protective cover 10 is moved upward to separate from the sampling port 3. At this time, the sampling port 3 can be sampled. After the sampling is completed, the protective cover 10 can be inserted into the top of the sampling port 3. Then, the protective cover 10 is rotated to drive the connecting block 15 to contact the wedge-shaped surface at the bottom of the protrusion 9. At this time, the spring 11 will be compressed and contracted. When the limiting block 16 passes the protrusion 9, the spring 11 will reset and drive the protective cover 10 and the limiting block 16 to move upward, so that the limiting block 16 is engaged with the protrusion 9. In this way, the above operation can facilitate the sampling of the breathing filter.

[0029] In summary: When using the new type of breathing filter, the lower housing 1 and the upper housing 2 are first connected to the equipment through pipes. After air enters the breathing filter, it will come into contact with the filter membrane 4 and filter bacteria, viruses, dust and other particles through the filter membrane 4. The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0030] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A novel breathing filter, comprising: The lower housing (1) and the protrusion (9) are provided with an upper housing (2) at the top of the lower housing (1), and a sampling port (3) is connected to the top of the upper housing (2). The lower housing (1) is characterized by... A filter membrane (4) is fixedly connected inside the upper shell (2). Sealing plates (5) are provided on both sides of the lower shell (1) and the upper shell (2). Side plates (6) are fixedly connected on both sides of the upper shell (2) away from the sealing plates (5). A positioning groove (7) is provided in the middle of the side plate (6), and the positioning groove (7) is inserted into the positioning block (8).

2. The novel breathing filter according to claim 1, characterized in that: The inner side of the sealing plate (5) abuts against one side of the lower housing (1) and the upper housing (2), and one side of the positioning block (8) is fixedly connected to the top of the lower housing (1).

3. A novel breathing filter according to claim 2, characterized in that: The positioning block (8) and positioning groove (7) are provided in two sets, and the two sets of positioning grooves (7) are symmetrically distributed about the transverse center line of the upper shell (2).

4. A novel breathing filter according to claim 1, characterized in that: Two sets of protrusions (9) are fixedly connected to the top of the sampling port (3). A protective cover (10) is provided on the top of the sampling port (3). A spring (11) is fixedly connected to the inner side of the protective cover (10). A connecting plate (12) is fixedly connected to the bottom of the spring (11).

5. A novel breathing filter according to claim 4, characterized in that: Multiple sets of sliders (13) are fixedly connected to the outer side of the connecting plate (12). The sliders (13) are rectangular in shape. The outer side of the sliders (13) is slidably connected to the protective cover (10). The inner side of the protective cover (10) is provided with a groove (14) that matches the sliders (13).

6. A novel breathing filter according to claim 5, characterized in that: The bottom of the connecting plate (12) is provided with two sets of connecting blocks (15). The top of the connecting block (15) is wedge-shaped, and one end of the connecting block (15) is fixedly connected to a limiting block (16). One side of the limiting block (16) is arc-shaped.

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