A filtering type breathing training device

By designing a split-structure filter-type breathing training device, using absorbent filter paper and antibacterial membrane, the cleaning problem of existing breathing trainers is solved, and the device achieves hygiene and safety as well as personalized resistance adjustment.

CN224540910UActive Publication Date: 2026-07-24ZHEJIANG RUNQIANG MEDICAL INSTR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG RUNQIANG MEDICAL INSTR CO LTD
Filing Date
2025-07-16
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing breathing trainers cannot be effectively cleaned and disinfected, resulting in long-term residue of saliva and bacteria, which affects health.

Method used

A filter-type breathing training device was designed. It adopts a split structure, including a filter shell and a breathing shell, and is equipped with a moisture-absorbing filter paper and an antibacterial membrane. It can be disassembled for cleaning or replacement to prevent bacterial growth.

Benefits of technology

It achieves hygiene and safety of the equipment, prevents cross-infection, ensures safe use, and facilitates personalized resistance adjustment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to medical instrument technical field, relate to a kind of filtering type breathing training device, comprising: filter casing and breathing casing, the filter casing includes the upper shell, lower shell and the filter assembly being set between the upper shell and lower shell of being mutually buckled arrangement, the breathing casing inside is provided with the through setting of flow-through cavity with the filter casing and both sides are respectively provided with the air intake module group and the air outlet module group through the flow-through cavity, the upper shell and lower shell inside are all provided with filter hygroscopic paper and two groups of filter hygroscopic paper between the setting have bacteria-resistant membrane.The utility model's filter casing uses split type structure, after long time use, filter casing can be disassembled, filter hygroscopic paper and bacteria-resistant membrane are removed to clean or replace, avoid bacteria breeding, ensure that use is safe and sanitary.
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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and specifically to a filtering breathing training device. Background Technology

[0002] As an important auxiliary tool for pulmonary function rehabilitation and exercise training, the resistance adjustment accuracy and portability of breathing trainers directly affect the training effect. The breathing trainer disclosed in patent number CN112891858B adopts a threaded stepless adjustment method, which achieves resistance adjustment by changing the airflow passage area by rotating the valve cover.

[0003] The above-mentioned breathing trainer has the following technical problems: because users keep the breathing trainer in their mouths for a long time and its internal parts cannot be disassembled, it is impossible to effectively clean and sterilize the internal structure. The residual saliva and bacteria will enter the body through breathing, which is harmful to health. Utility Model Content

[0004] This invention provides a filtering breathing training device to address the problems of existing technologies.

[0005] The objective of this utility model can be achieved through the following technical solution: A filtering breathing training device, comprising: a filter housing and a breathing housing, wherein the filter housing includes an upper housing and a lower housing that are interlocked with each other, and a filter assembly disposed between the upper housing and the lower housing, wherein the breathing housing has a flow cavity that communicates with the filter housing and an air inlet module and an air outlet module that communicate with the flow cavity are respectively disposed on both sides, wherein the upper housing and the lower housing are each provided with absorbent paper and an antibacterial membrane is disposed between the two sets of absorbent paper.

[0006] In a further improvement, the upper housing has buckles on both sides of its lower end, and the lower housing has slots on both sides of its upper end, with the buckles and slots being configured correspondingly.

[0007] In a further improvement, an air inlet mounting groove and an air outlet mounting groove are respectively provided on both sides of the flow cavity of the breathing shell, and a through hole is provided between the air inlet mounting groove and the air outlet mounting groove and the flow cavity.

[0008] In a further improvement, both the air intake module and the air outlet module include an adjustment cover, a one-way valve, and a knob in sequence. The adjustment cover is disposed on the breathing housing and has several flow holes through the middle. The knob is rotatably disposed on the outside of the breathing housing.

[0009] In a further improvement, the outer side of the adjustment cover is provided with a snap-fit ​​groove, and the inner side of the knob is provided with a snap-fit ​​pin corresponding to the snap-fit ​​groove.

[0010] In a further improvement, several positioning grooves are provided on the outer side of the air inlet mounting groove and the air outlet mounting groove, a limit mounting groove is provided at the lower end of the knob, a limit post is provided in the limit mounting groove, and the lower end of the limit post can be limited with any of the positioning grooves.

[0011] Compared with existing technologies, this invention has the following advantages: The filter housing of this invention adopts a split structure. In use, the mouthpiece is first connected to the upper end of the filter housing, and the patient bites down on the mouthpiece to breathe. During inhalation, outside air enters the flow chamber through the air intake module and then enters the patient's mouth; during exhalation, the gas is discharged from the air outlet module through the flow chamber. During this process, the absorbent filter paper retains heat and moisture in the exhaled air, reducing respiratory moisture loss; the antibacterial membrane blocks microorganisms, particulate matter, or aerosols, preventing equipment contamination and cross-infection. After prolonged use, the filter housing can be disassembled, and the absorbent filter paper and antibacterial membrane can be removed for cleaning or replacement to prevent bacterial growth and ensure safe and hygienic use. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a cross-sectional view of the present invention;

[0014] Figure 3 This is a partial structural schematic diagram of the breathing shell of this utility model;

[0015] Figure 4 This is an exploded view of the breathing shell of this utility model.

[0016] In the diagram, 1. Filter housing; 11. Upper housing; 111. Buckle; 12. Lower housing; 112. Slot; 2. Breathing housing; 21. Flow chamber; 22. Air inlet module; 221. Adjustment cover; 2211. Flow hole; 2212. Snap-fit ​​groove; 222. One-way valve; 223. Knob; 2231. Locking pin; 2232. Limiting mounting groove; 2233. Limiting post; 23. Air outlet module; 24. Air inlet mounting groove; 25. Air outlet mounting groove; 26. Through hole; 27. Positioning groove; 31. Filter absorbent paper; 32. Antibacterial membrane. Detailed Implementation

[0017] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0018] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0019] The following is a description of the embodiments and appendices. Figures 1-4 The technical solution of this utility model will be further described below.

[0020] Example 1

[0021] A filtering breathing training device includes: a filter housing 1 and a breathing housing 2. The filter housing 1 includes an upper housing 11 and a lower housing 12 that are interlocked with each other, and a filter assembly disposed between the upper housing 11 and the lower housing 12. The breathing housing 2 has a flow cavity 21 that communicates with the filter housing 1 inside, and an air inlet module 22 and an air outlet module 23 that communicate with the flow cavity 21 are respectively disposed on both sides. The upper housing 11 and the lower housing 12 are each provided with a filter absorbent paper 31, and an antibacterial membrane 32 is disposed between the two sets of filter absorbent papers 31.

[0022] like Figures 1 to 4 As shown, the filter housing 1 of this utility model adopts a split structure. In use, the breathing nozzle is first connected to the upper end of the filter housing 1, and the patient bites down on the breathing nozzle to breathe. During inhalation, outside air enters the flow chamber 21 through the air intake module 22 and then enters the patient's mouth; during exhalation, the gas is discharged from the air outlet module 23 through the flow chamber 21. During this process, the absorbent filter paper 31 retains heat and moisture in the exhaled air, reducing respiratory tract moisture loss; the antibacterial membrane 32 blocks microorganisms, particulate matter, or aerosols, preventing equipment contamination and cross-infection. After prolonged use, the filter housing 1 can be disassembled, and the absorbent filter paper 31 and antibacterial membrane 32 can be removed for cleaning or replacement to prevent bacterial growth and ensure safe and hygienic use.

[0023] As a further preferred embodiment, the upper housing 11 is provided with buckles 111 on both sides of its lower end, and the lower housing 12 is provided with slots 112 on both sides of its upper end, with the buckles 111 and slots 112 being provided correspondingly.

[0024] Specifically, the buckle 111 and the slot 112 cooperate to enable quick engagement and disassembly of the upper housing 11 and the lower housing 12. This not only improves the assembly efficiency of the filter housing 1, but also ensures the stability of the connection between the upper housing 11 and the lower housing 12, preventing loosening or detachment during use. At the same time, the design of the buckle 111 and the slot 112 facilitates the quick disassembly of the filter housing 1, making it convenient for users to regularly replace the absorbent paper 31 and the antibacterial membrane 32, ensuring filtration effect and hygiene safety.

[0025] As a further preferred embodiment, the air intake mounting groove 24 and the air outlet mounting groove 25 are respectively provided on both sides of the flow cavity 21 of the breathing housing 2. The air intake mounting groove 24 and the air outlet mounting groove 25 are provided with through holes 26 between them and the flow cavity 21. The air intake module 22 and the air outlet module 23 each include an adjustment cover 221, a one-way valve 222 and a knob 223 in sequence. The adjustment cover 221 is provided on the breathing housing 2 and has a plurality of flow holes 2211 through the middle. The knob 223 is rotatably provided on the outside of the breathing housing 2. The adjustment cover 221 has a snap-fit ​​groove 2212 on the outside and a snap-fit ​​pin 2231 corresponding to the snap-fit ​​groove 2212 is provided on the inside of the knob 223.

[0026] Specifically, the adjusting cover 221 has several flow holes 2211, with the diameter of each flow hole 2211 increasing sequentially, and the projection of the center of any flow hole 2211 coincides with the projection of the center of the through hole 26. During use, rotating the knob 223 will rotate the adjusting cover 221, aligning the flow holes 2211 of different diameters with the through hole 26, thereby achieving precise adjustment of inhalation / exhalation resistance. This allows users to flexibly adjust breathing resistance according to their own needs and achieve personalized breathing training.

[0027] As a further preferred embodiment, a plurality of positioning grooves 27 are provided on the outer side of the air intake mounting groove 24 and the air outlet mounting groove 25. A limiting mounting groove 2232 is provided at the lower end of the knob 223. A limiting post 2233 is provided in the limiting mounting groove 2232. The lower end of the limiting post 2233 can be limited with any of the positioning grooves 27.

[0028] Specifically, during the adjustment process of the knob 223 being inserted into the air intake mounting slot 24 and rotated, the lower end of the limiting post 2233 will slide along the outer wall of the mounting slot as the knob rotates. When the knob is rotated to the target angle, the limiting post 2233 will be engaged into the corresponding positioning slot 27 under the action of the spring force, and the precise positioning of the knob is achieved through the engagement of the post and the slot. Similarly, the knob structure of the air outlet module also adopts the same mating method.

[0029] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. A filtering breathing training device, characterized in that, include: The filter housing and the breathing housing are provided. The filter housing includes an upper housing and a lower housing that are interlocked with each other, and a filter assembly disposed between the upper housing and the lower housing. The breathing housing has a flow cavity that communicates with the filter housing inside, and an air inlet module and an air outlet module that communicate with the flow cavity are respectively disposed on both sides. The upper housing and the lower housing are both provided with absorbent paper, and an antibacterial membrane is disposed between the two sets of absorbent paper.

2. The filtering breathing training device according to claim 1, characterized in that, The upper housing has buckles on both sides of its lower end, and the lower housing has slots on both sides of its upper end, with the buckles and slots being provided correspondingly.

3. The filtering breathing training device according to claim 1, characterized in that, The breathing shell has an air inlet mounting groove and an air outlet mounting groove on both sides of the flow cavity, and a through hole is provided between the air inlet mounting groove and the air outlet mounting groove and the flow cavity.

4. A filtering breathing training device according to claim 3, characterized in that, Both the air intake module and the air outlet module include an adjustment cover, a one-way valve, and a knob in sequence. The adjustment cover is disposed on the breathing shell and has several flow holes through the middle. The knob is rotatably disposed on the outside of the breathing shell.

5. A filtering breathing training device according to claim 3, characterized in that, The outer side of the adjustment cover is provided with a snap-fit ​​groove, and the inner side of the knob is provided with a snap-fit ​​pin corresponding to the snap-fit ​​groove.

6. A filtering breathing training device according to claim 4, characterized in that, The air inlet mounting slot and the air outlet mounting slot are provided with a number of positioning slots on their outer sides. The lower end of the knob is provided with a limit mounting slot. A limit post is provided in the limit mounting slot. The lower end of the limit post can be limited with any of the positioning slots.