Air filtering device of breathing humidifying therapeutic apparatus

The respiratory humidification therapy device's innovative filter assembly with spring-activated sleeves simplifies filter installation and removal, addressing the challenge of cumbersome filter replacement and cleaning in traditional devices.

CN223095946UActive Publication Date: 2025-07-15SECOND MEDICAL CENT OF CHINESE PLA GENERAL HOSPITAL
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Patent Information

Application Number
CN202421139708.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-07-15
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

The HFC breathing filter of traditional respiratory hygrochemical therapy instruments is connected by flange bolts, which makes installation and removal inconvenient, which is inconvenient for replacement and cleaning.

Method used

The filter body is used to connect to the air intake pipe through a mounting assembly, which includes a first sleeve and a second sleeve, and uses the restoration force of the first and second springs to achieve convenient disassembly and installation of the filter, and seals with a sealing ring.

Benefits of technology

It realizes convenient disassembly and installation of filters, facilitates replacement and cleaning, and improves the convenience of use of equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223095946U_ABST
Patent Text Reader

Abstract

The utility model discloses an air filtering device of a breathing humidifying therapeutic apparatus, which comprises an air inlet pipe, a filter body is mounted on the air inlet pipe, a connecting pipe connected with the air inlet pipe is arranged on one side of the filter body, a fixing ring is fixedly arranged on the outer wall of the connecting pipe, and a plurality of groups of mounting components are arranged on the fixing ring. And each mounting assembly comprises a first sleeve and a second sleeve, the first sleeves are fixedly arranged on the fixing rings, and first springs are fixedly arranged on the inner sides of the first sleeves. A plurality of second telescopic columns are pulled outwards, then first telescopic columns and second sleeves are driven to get close to the first sleeves under the action of restoring force of first springs, then the filter body can be detached, the first telescopic columns are pulled, the second telescopic columns are inserted into a plurality of inserting holes under the action of restoring force of second springs, and therefore the filter body can be detached. The filter is convenient to mount and dismount, so that the filter body is convenient to replace and clean.
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Description

Technical Field

[0001] The utility model belongs to the technical field of respiratory humidification treatment instruments, and particularly relates to an air filtering device for a respiratory humidification treatment instrument. Background Art

[0002] A respiratory humidification treatment instrument is a new type of humidifying and warming gas instrument, which has the functions of airway positive pressure support and flexible regulation of the temperature and humidity of airway gas. The gas flow rate can be as high as 60 L / min, and it has the characteristics of constant oxygen concentration and good comfort, and has obvious advantages in improving oxygenation and patient comfort. It is currently mainly used in the treatment of acute respiratory failure, postoperative respiratory support, sequential weaning from mechanical ventilation, and respiratory failure of patients who refuse endotracheal intubation mechanical ventilation. With the expansion of the clinical application of respiratory humidification treatment instruments, clinical medical staff have recently tried to apply respiratory humidification treatment instruments to the treatment of tracheostomy patients.

[0003] A respiratory humidification treatment instrument needs to be connected to external air before it can be used on patients. Traditional respiratory humidification treatment instruments are generally connected through an HFC respiratory filter, and most HFC respiratory filters are connected through flange bolts, which are inconvenient for installation and disassembly, and thus it is inconvenient to replace and clean the HFC respiratory filter. Summary of the Utility Model

[0004] Aiming at the problem that most of the above-mentioned HFC respiratory filters are connected through flange bolts, which are inconvenient for installation and disassembly, and thus it is inconvenient to replace and clean the HFC respiratory filter, the utility model provides an air filtering device for a respiratory humidification treatment instrument.

[0005] To achieve the above object, the utility model adopts the following technical solution: An air filtering device for a respiratory humidification treatment instrument, including an air inlet pipe, a filter body is installed on the air inlet pipe, a filtering component is arranged inside the filter body, a connecting pipe for connecting with the air inlet pipe is arranged on one side of the filter body, a fixing ring is fixedly arranged on the outer wall of the connecting pipe, and multiple installation components are arranged on the fixing ring. Each of the multiple installation components includes a first sleeve and a second sleeve. The first sleeve is fixedly arranged on the fixing ring, a first spring is fixedly arranged inside the first sleeve, one end of the first spring is fixedly provided with a first telescopic column, the first telescopic column extends out of the first sleeve and is fixed to the second sleeve, a second spring is fixedly arranged inside the second sleeve, one end of the second spring is fixedly provided with a second telescopic column, and a plurality of jacks adapted to the second telescopic column are opened on the outer wall of the air inlet pipe.

[0006] Preferably, the filtering component includes a filter screen and an activated carbon adsorption cylinder. The filter screen is arranged at the side end of the filter body, and the activated carbon adsorption cylinder is arranged inside the filter body.

[0007] Preferably, a sealing ring is fixedly arranged on one side of the fixing ring close to the air inlet pipe, and the sealing ring is used to abut against the end of the air inlet pipe.

[0008] Preferably, there are specifically four sets of the installation components, and the four sets of installation components are distributed in a circular array.

[0009] Preferably, the air inlet pipe is installed on the back of the treatment instrument body, and four anti-slip blocks are arranged at the bottom of the treatment instrument body. All the four anti-slip blocks are made of rubber and are distributed in a rectangle.

[0010] Preferably, holding grooves are arranged on both sides of the treatment instrument body.

[0011] Preferably, a humidifying tank is arranged on the front of the treatment instrument body, and the humidifying tank is connected to the treatment instrument body through a conduit.

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

[0013] By pulling multiple second telescopic columns outward, the multiple second telescopic columns are respectively disengaged from the multiple jacks. Then, under the action of the restoring force of the first spring, the first telescopic column and the second sleeve are driven to approach the first sleeve, and thus the filter body can be detached. By pulling the multiple first telescopic columns, the multiple second telescopic columns are respectively inserted into the multiple jacks under the action of the restoring force of the second spring, and the installation is completed. The installation and disassembly are convenient, and thus it is convenient to replace and clean the filter body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the whole of the present utility model;

[0015] Figure 2 is a schematic structural diagram of another perspective of the whole of the present utility model;

[0016] Figure 3 is a schematic partial cross-sectional structural diagram of the present utility model;

[0017] Figure 4 is of the present utility model Figure 3 an enlarged structural diagram of part A in.

[0018] In the figure: 1, treatment instrument body; 2, air inlet pipe; 3, filter body; 4, connecting pipe; 5, fixing ring; 6, first sleeve; 7, second sleeve; 8, first spring; 9, first telescopic column; 10, second spring; 11, second telescopic column; 12, jack; 13, sealing ring; 14, anti-slip block; 15, holding groove; 16, humidifying tank; 17, filter screen; 18, activated carbon adsorption cylinder. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0020] Referring to Figures 1-4 , a respiratory humidification and treatment instrument air filtration device, including an intake pipe 2, a filter body 3 is installed on the intake pipe 2, a filter assembly is arranged inside the filter body 3, the filter assembly includes a filter screen 17 and an activated carbon adsorption cylinder 18, the filter screen 17 is arranged at the side end of the filter body 3, the activated carbon adsorption cylinder 18 is arranged inside the filter body 3, the air is roughly filtered by the filter screen 17, and the activated carbon particles in the activated carbon adsorption cylinder 18 are used for secondary filtration to achieve the purpose of air purification. A connecting pipe 4 for connecting with the intake pipe 2 is arranged on one side of the filter body 3, one end of the connecting pipe 4 is inserted into the intake pipe 2, a fixing ring 5 is fixedly arranged on the outer wall of the connecting pipe 4, and multiple installation components are arranged on the fixing ring 5. The multiple installation components all include a first sleeve 6 and a second sleeve 7. The first sleeve 6 is fixedly arranged on the fixing ring 5, a first spring 8 is fixedly arranged inside the first sleeve 6, one end of the first spring 8 is fixedly provided with a first telescopic column 9, the first telescopic column 9 extends out of the first sleeve 6 and is fixed to the second sleeve 7, a second spring 10 is fixedly arranged inside the second sleeve 7, one end of the second spring 10 is fixedly provided with a second telescopic column 11, and a plurality of insertion holes 12 adapted to the second telescopic column 11 are formed in the outer wall of the intake pipe 2.

[0021] Among them, there are specifically four groups of installation components, and the four groups of installation components are distributed in a circular array.

[0022] By adopting the above scheme, when the filter body 3 is fixedly installed, multiple first springs 8 are all in a stretched state, and multiple second springs 10 are all in a compressed state. When disassembling the filter body 3, pull multiple second telescopic columns 11 outward to make multiple second telescopic columns 11 respectively disengage from multiple insertion holes 12, and then under the action of the restoring force of the first spring 8, drive the first telescopic column 9 and the second sleeve 7 to approach the first sleeve 6, thereby the filter body 3 can be disassembled. When installing the filter body 3, insert one end of the connecting pipe 4 into the intake pipe 2, pull multiple first telescopic columns 9, and appropriately adjust the filter body 3 to make multiple second telescopic columns 11 respectively insert into multiple insertion holes 12 under the action of the restoring force of the second spring 10 to complete the installation.

[0023] In addition, a sealing ring 13 is fixedly arranged on one side of the fixing ring 5 close to the intake pipe 2, and the sealing ring 13 is used to abut against the end of the intake pipe 2 to seal the end of the intake pipe 2.

[0024] Further, the intake pipe 2 is installed on the back of the treatment instrument body 1, and a humidifying tank 16 is arranged on the front of the treatment instrument body 1. The humidifying tank 16 is connected to the treatment instrument body 1 through a conduit.

[0025] Four anti-slip blocks 14 are arranged at the bottom of the treatment instrument body 1. The four anti-slip blocks 14 are all made of rubber and are distributed in a rectangle. Holding grooves 15 are arranged on both sides of the treatment instrument body 1. By arranging the four anti-slip blocks 14, the stability during placement is improved. By arranging the holding grooves 15, it is convenient to carry.

[0026] The operating principle of the present utility model is described as follows: During use, outside air enters the treatment instrument body 1 through the filter body 3 and the intake pipe 2. The air is roughly filtered by the filter screen 17 and secondarily filtered by the activated carbon particles in the activated carbon adsorption cylinder 18 to achieve the purpose of air purification. When it is necessary to disassemble the filter body 3, pull multiple second telescopic columns 11 outward so that the multiple second telescopic columns 11 are respectively disengaged from multiple jacks 12. Then, under the restoring force of the first spring 8, drive the first telescopic column 9 and the second sleeve 7 to approach the first sleeve 6, and then the filter body 3 can be disassembled. When installing the filter body 3, insert one end of the connecting pipe 4 into the intake pipe 2, pull multiple first telescopic columns 9, and appropriately adjust the filter body 3 so that the multiple second telescopic columns 11 are respectively inserted into the multiple jacks 12 under the restoring force of the second spring 10 to complete the installation. The installation and disassembly are convenient, and thus it is convenient to replace and clean the filter body 3.

[0027] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, making equivalent replacements or changes should be covered within the protection scope of the present utility model.

Claims

1. An air filtration device for a respiratory humidification treatment apparatus, characterized in that, including an intake pipe (2); A filter body (3) is installed on the intake pipe (2). A filtering component is arranged inside the filter body (3). A connecting pipe (4) connected to the intake pipe (2) is arranged on one side of the filter body (3). A fixing ring (5) is fixedly arranged on the outer wall of the connecting pipe (4), and multiple mounting components are arranged on the fixing ring (5); The multiple mounting components each include a first sleeve (6) and a second sleeve (7), and the first sleeve (6) is fixedly arranged on the fixing ring (5); A first spring (8) is fixedly arranged inside the first sleeve (6). One end of the first spring (8) is fixedly provided with a first telescopic column (9), and the first telescopic column (9) extends out of the first sleeve (6) and is fixed to the second sleeve (7); A second spring (10) is fixedly arranged inside the second sleeve (7). One end of the second spring (10) is fixedly provided with a second telescopic column (11), and a plurality of jacks (12) adapted to the second telescopic column (11) are formed on the outer wall of the intake pipe (2).

2. The air filtration device of a respiratory humidification and treatment instrument according to claim 1, wherein The filtering component includes a filter screen (17) and an activated carbon adsorption cylinder (18). The filter screen (17) is arranged at the side end of the filter body (3), and the activated carbon adsorption cylinder (18) is arranged inside the filter body (3).

3. The air filtration device of a respiratory humidification and treatment instrument according to claim 1, characterized in that, A sealing ring (13) is fixedly arranged on the side of the fixing ring (5) close to the intake pipe (2), and the sealing ring (13) is used to abut against the end of the intake pipe (2).

4. The air filtration device of a respiratory humidifying and treating apparatus according to claim 1, characterized in that, Specifically, four groups of the mounting components are provided, and the four groups of mounting components are distributed in a circular array.

5. The air filtration device of a respiratory humidification and treatment instrument according to claim 1, wherein The intake pipe (2) is installed on the back of the treatment instrument body (1). Four anti-slip blocks (14) are arranged at the bottom of the treatment instrument body (1). The four anti-slip blocks (14) are all made of rubber and are distributed in a rectangle.

6. The air filtration device of a respiratory humidification treatment apparatus according to claim 5, wherein, Grip grooves (15) are arranged on both sides of the treatment instrument body (1).

7. The air filtration device of a respiratory humidification and treatment instrument according to claim 6, wherein, A humidifying tank (16) is arranged on the front of the treatment instrument body (1), and the humidifying tank (16) is connected to the treatment instrument body (1) through a conduit.