Formaldehyde removal sponge filter screen of air purification device

By adding antibacterial bamboo fiber lining to the outside of the formaldehyde removal sponge filter and introducing polyethyleneimine through chemical grafting, the problems of bacterial growth and low formaldehyde removal rate of the formaldehyde removal sponge filter are solved, achieving efficient formaldehyde removal and antibacterial effects and extending service life.

CN224040527UActive Publication Date: 2026-03-27LINYI UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Formaldehyde-removing sponge filters that have been used for a long time are prone to bacterial growth and have limited filtration performance, making them difficult to effectively remove formaldehyde.

Method used

An antibacterial bamboo fiber lining is placed on the outside of the formaldehyde removal sponge filter body, and polyethyleneimine is introduced into the sponge through chemical grafting. Combined with the breathable and reinforced polyester fiber lining, the antibacterial ability and hardness are improved.

Benefits of technology

It effectively inhibits the growth of bacteria and mold, improves formaldehyde removal efficiency, extends filter life, and maintains breathability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of formaldehyde-removing sponges, in particular to a formaldehyde-removing sponge filter screen of an air purification device, which comprises a formaldehyde-removing sponge filter screen body, the upper end face and the lower end face of the formaldehyde-removing sponge filter screen body are fixedly connected with hair-side magic tapes which are uniformly arranged, hook-side magic tapes are adhered to the outer sides of the hair-side magic tapes, and the upper end face of the formaldehyde-removing sponge filter screen body is fixedly connected with the lower end face of the formaldehyde-removing sponge filter screen body. The outer side of the formaldehyde removal sponge filter screen body is provided with the detachable anti-microbial fiber lining cloth, the anti-microbial fiber lining cloth is arranged on the outer side of the formaldehyde removal sponge filter screen body through the structure composed of the hair side hook-and-loop fastener, the hook side hook-and-loop fastener, the anti-microbial fiber lining cloth, the limiting lockrand ring, the limiting rod and the like, and the anti-microbial fiber lining cloth is arranged on the outer side of the formaldehyde removal sponge filter screen body. And the fiber lining cloth can further improve the antibacterial ability of the whole filter screen device, effectively inhibit the growth of microorganisms such as bacteria and molds, and solve the problem that bacteria are easy to breed when the formaldehyde-removing sponge filter screen is used for a long time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to formaldehyde sponge technical field of removing, concretely is air purification device formaldehyde sponge filter screen. BACKGROUND

[0002] Polyurethane sponge presents the complicated and interlaced porous channel structure inside, and the soft texture plasticity is strong, gives the sponge excellent air permeability and pollutant filtering performance, but the filtering performance of pure sponge is limited, cannot efficiently remove formaldehyde in air, in order to improve the formaldehyde removal performance of sponge, introduce the polyethylene imine rich in amido on the surface of sponge, utilize the method of chemical grafting to introduce amido into sponge, and imine polymer can react with harmful gas molecules such as formaldehyde under normal temperature and pressure, to realize the purpose of purifying air.

[0003] Meanwhile, the formaldehyde-removing sponge filter screen used for a long time is prone to breed bacteria, mold and other microorganisms, the microorganisms are transmitted through air, which may cause respiratory diseases, allergic reactions and other health problems, and the metabolic products of the microorganisms may corrode the sponge filter screen material, thereby shortening the service life of the filter screen. UTILITY MODEL CONTENTS

[0004] The utility model discloses a formaldehyde-removing sponge filter screen for an air purification device, which solves the problem that the formaldehyde-removing sponge filter screen used for a long time is prone to breed bacteria.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A formaldehyde-removing sponge filter screen for an air purification device, which comprises a formaldehyde-removing sponge filter screen body, the upper end face and the lower end face of the formaldehyde-removing sponge filter screen body are fixedly connected with a plurality of evenly arranged rough-surface Velcro, the outer side of the rough-surface Velcro is attached with a plurality of hook-surface Velcro, the outer side of the hook-surface Velcro is fixedly connected with a plurality of anti-bacterial bamboo fiber linings, the upper end face and the lower end face of the formaldehyde-removing sponge filter screen body are fixedly connected with a plurality of first polyester fiber air-permeable reinforcing linings, one side of the anti-bacterial bamboo fiber lining provided with the hook-surface Velcro is fixedly connected with a plurality of second polyester fiber air-permeable reinforcing linings, the inner side of the first polyester fiber air-permeable reinforcing lining is fixedly connected with a plurality of limiting lock edges, and the inner side of the second polyester fiber air-permeable reinforcing lining is fixedly connected with a plurality of evenly arranged limiting rods.

[0007] Preferably, the limiting rods protrude from the second polyester fiber air-permeable reinforcing lining, the limiting rods and the limiting lock edges are arranged in one-to-one correspondence, and one end of the limiting rod protruding from the second polyester fiber air-permeable reinforcing lining is arranged on the inner side of the limiting lock edge.

[0008] Preferably, the loop surface magic tape is fixedly connected with the first polyester fiber breathable reinforcing interlining, and the hook surface magic tape is fixedly connected with the second polyester fiber breathable reinforcing interlining.

[0009] Preferably, the first polyester fiber breathable reinforcing interlining and the second polyester fiber breathable reinforcing interlining are arranged in abutment, and the cross-sectional shape of the first polyester fiber breathable reinforcing interlining is same as that of the second polyester fiber breathable reinforcing interlining.

[0010] Preferably, the second polyester fiber breathable reinforcing interlining is arranged between the first polyester fiber breathable reinforcing interlining and the antibacterial bamboo fiber interlining, and the first polyester fiber breathable reinforcing interlining is arranged between the second polyester fiber breathable reinforcing interlining and the formaldehyde removal sponge filter screen body.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The utility model discloses a structure that loop surface magic tape, hook surface magic tape, antibacterial bamboo fiber interlining, spacing locking edge ring and spacing rod are set up, and the detachable antibacterial bamboo fiber interlining is arranged at the outside of formaldehyde removal sponge filter screen body, can further promote the antibacterial ability of the whole filter screen device, effectively inhibits the growth of bacteria, mould and other microorganisms, solves the low formaldehyde removal rate of common formaldehyde removal sponge filter screen and the problem that formaldehyde removal sponge filter screen is easy to breed bacteria for long -time use.

[0013] 2、The first polyester fiber breathable reinforcing interlining can reinforce formaldehyde removal sponge filter screen body, prevents formaldehyde removal sponge filter screen body from being accidentally torn, and the second polyester fiber breathable reinforcing interlining can reinforce antibacterial bamboo fiber interlining, prevents antibacterial bamboo fiber interlining from being accidentally torn. ACCURACY

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the structure schematic diagram of the loop surface magic tape of the utility model;

[0016] Figure 3 It is the structure schematic diagram of the first polyester fiber breathable reinforcing interlining of the utility model Figure 2 ;

[0017] Figure 4 It is the structure schematic diagram of the second polyester fiber breathable reinforcing interlining of the utility model.

[0018] Figure 5 It is the structure schematic diagram of the second polyester fiber breathable reinforcing interlining of the utility model.

[0019] In the figure: 1, formaldehyde-removing sponge filter screen body; 2, fuzzy-faced magic tape; 3, hook-faced magic tape; 4, antibacterial bamboo fiber lining cloth; 5, first polyester fiber breathable reinforcing lining cloth; 6, second polyester fiber breathable reinforcing lining cloth; 7, limiting lock edge ring; 8, limiting rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0021] It should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should be further understood that the terms "comprise" and / or "include" as used in the specification indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0022] Unless specifically stated otherwise, the relative arrangements of components and steps, numerical expressions, and numerical values set forth in the examples herein are not intended to limit the scope of the present application. At the same time, it should be understood that the sizes of the various parts shown in the drawings are not drawn in accordance with the actual proportional relationship. The technology, methods and devices known to those skilled in the relevant art can not be discussed in detail, but should be considered as part of the authorized specification. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0023] In the description of the utility model, it needs to be understood that the orientation words such as '' front, back, up, down, left, right'', '' horizontal, vertical, perpendicular, horizontal'' and '' top, bottom '' and the like indicated orientation or positional relationship is usually based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, in the absence of the opposite statement, these orientation words do not indicate and imply that the device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the protection scope of the utility model;The orientation words '' inside, outside '' refer to the inside and outside relative to the contour of each component.

[0024] For the convenience of description, spatial relative terms can be used here, such as '' above'', '' above'', '' upper surface'', '' upper '' and the like, to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawing. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawing. For example, if the device in the drawing is inverted, the device described as '' above '' or '' above '' other devices or structures will be positioned '' below '' or '' below '' other devices or structures. Thus, the exemplary term '' above '' can include both '' above '' and '' below '' orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative description used herein is interpreted accordingly.

[0025] In addition, it should be noted that the use of '' first'', '' second '' and the like to limit parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, therefore, it cannot be understood as the limitation of the protection scope of the utility model.

[0026] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0027] The utility model provides an air purification device removes formaldehyde sponge filter screen, including formaldehyde sponge filter screen body 1, the upper end surface and the lower end surface of formaldehyde sponge filter screen body 1 are all fixedly connected with the even setting of hair face magic tape 2, the outside of hair face magic tape 2 is pasted with the hook face magic tape 3, the outside of hook face magic tape 3 is fixedly connected with the anti-bacterial bamboo fiber lining cloth 4, the upper end surface and the lower end surface of formaldehyde sponge filter screen body 1 are all fixedly connected with the first polyester fiber breathable reinforcing lining cloth 5, the one side of anti-bacterial bamboo fiber lining cloth 4 is fixedly connected with the second polyester fiber breathable reinforcing lining cloth 6 with hook face magic tape 3, the inside of first polyester fiber breathable reinforcing lining cloth 5 is fixedly connected with the limit lock edge ring 7, the inside of second polyester fiber breathable reinforcing lining cloth 6 is fixedly connected with the even setting of limit rod 8, this setting makes anti-bacterial bamboo fiber lining cloth 4 improve the antibacterial ability of formaldehyde sponge filter screen body 1 when not influencing the air permeability of formaldehyde sponge filter screen body 1, formaldehyde sponge filter screen body 1 is introduced in formaldehyde sponge filter screen body 1 by the method of chemical grafting with polyethylene imine, imine polymer can occur with formaldehyde harmful gas molecule high -efficient response under normal temperature and pressure, thereby improved the formaldehyde removal efficiency of formaldehyde sponge filter screen body 1.

[0028] Limit rod 8 protrudes from second polyester fiber breathable reinforcing lining cloth 6, limit rod 8 and limit lock edge ring 7 are one-to-one corresponding setting, one end of limit rod 8 protruding from second polyester fiber breathable reinforcing lining cloth 6 is arranged at the inside of limit lock edge ring 7, this setting can further reinforce second polyester fiber breathable reinforcing lining cloth 6 and anti-bacterial bamboo fiber lining cloth 4; Hair face magic tape 2 is fixedly connected with first polyester fiber breathable reinforcing lining cloth 5, hook face magic tape 3 is fixedly connected with second polyester fiber breathable reinforcing lining cloth 6, this setting makes realize the positioning of hair face magic tape 2 and first polyester fiber breathable reinforcing lining cloth 5, hook face magic tape 3 and second polyester fiber breathable reinforcing lining cloth 6; First polyester fiber breathable reinforcing lining cloth 5 and second polyester fiber breathable reinforcing lining cloth 6 are set to be attached, the cross-sectional shape of first polyester fiber breathable reinforcing lining cloth 5 and the cross-sectional shape of second polyester fiber breathable reinforcing lining cloth 6 are same, this setting makes first polyester fiber breathable reinforcing lining cloth 5 and second polyester fiber breathable reinforcing lining cloth 6 can form stable structure; Second polyester fiber breathable reinforcing lining cloth 6 is arranged between first polyester fiber breathable reinforcing lining cloth 5 and anti-bacterial bamboo fiber lining cloth 4, first polyester fiber breathable reinforcing lining cloth 5 is arranged between second polyester fiber breathable reinforcing lining cloth 6 and formaldehyde sponge filter screen body 1, this setting makes realize the positioning of formaldehyde sponge filter screen body 1, anti-bacterial bamboo fiber lining cloth 4, first polyester fiber breathable reinforcing lining cloth 5 and second polyester fiber breathable reinforcing lining cloth 6.

[0029] Workflow: In the production of formaldehyde sponge filter screen body 1, polyethylene imine is introduced into formaldehyde sponge filter screen body 1 by chemical grafting method, imine polymer can react with formaldehyde and other harmful gas molecules at room temperature and normal pressure, these harmful gas molecules are adsorbed by the microporous of formaldehyde removal sponge filter screen body 1, and then react with amine group inside formaldehyde removal sponge filter screen body 1, so as to realize air purification, improve the formaldehyde removal efficiency of formaldehyde removal sponge filter screen body 1, and enhance the hardness of formaldehyde removal sponge filter screen body 1, which is easy to cut into shape, before formaldehyde removal sponge filter screen body 1 is put into use, limit rod 8 is inserted into the inside of limit lock edge ring 7, and hook face magic tape 3 is adhered with hair face magic tape 2, so as to stably position antibacterial bamboo fiber lining 4 outside formaldehyde removal sponge filter screen body 1, bamboo fiber has natural antibacterial performance, which can effectively inhibit the growth of bacteria, mold and other microorganisms, the setting of antibacterial bamboo fiber lining 4 outside formaldehyde removal sponge filter screen body 1 can further improve the antibacterial ability of formaldehyde removal sponge filter screen body 1, and provide a healthier and safer indoor environment for users, bamboo fiber material has good air permeability, which makes antibacterial bamboo fiber lining 4 not affect the air permeability of formaldehyde removal sponge filter screen body 1, and also provides certain help for indoor air circulation, in daily life, formaldehyde removal sponge filter screen body 1 may be impacted by various external forces, such as accidental collision, pulling and the like, the first polyester fiber breathable reinforcing lining 5 can effectively prevent the filter screen body from being torn under the action of these external forces, thereby prolonging the service life of formaldehyde removal sponge filter screen body 1, although antibacterial bamboo fiber lining 4 has excellent antibacterial performance, it may be relatively fragile and easily damaged under the action of external force, the use of the second polyester fiber breathable reinforcing lining 6 can greatly improve the durability of the antibacterial lining, making it more durable, and polyester fiber has good air permeability, which will not affect the use of formaldehyde removal sponge filter screen body 1 and antibacterial bamboo fiber lining 4.

[0030] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A formaldehyde removal sponge filter screen for an air purification device, comprising a formaldehyde removal sponge filter screen body (1), characterized in that: The upper end face and the lower end face of the formaldehyde removal sponge filter screen body (1) are fixedly connected with the uniform setting of the fuzzy surface magic tape (2), the outer side of the fuzzy surface magic tape (2) is pasted with the hook surface magic tape (3), the outer side of the hook surface magic tape (3) is fixedly connected with the antibacterial bamboo fiber lining cloth (4), the upper end face and the lower end face of the formaldehyde removal sponge filter screen body (1) are fixedly connected with the first polyester fiber breathable reinforcing lining cloth (5), the side of the antibacterial bamboo fiber lining cloth (4) provided with the hook surface magic tape (3) is fixedly connected with the second polyester fiber breathable reinforcing lining cloth (6), the inner side of the first polyester fiber breathable reinforcing lining cloth (5) is fixedly connected with the limiting lock edge ring (7), and the inner side of the second polyester fiber breathable reinforcing lining cloth (6) is fixedly connected with the uniform setting of the limiting rod (8).

2. The formaldehyde removal sponge filter screen of claim 1, wherein: The limiting rod (8) protrudes from the second polyester fiber breathable reinforcing lining cloth (6), the limiting rod (8) and the limiting lock edge ring (7) are one-to-one corresponding, and one end of the limiting rod (8) protruding from the second polyester fiber breathable reinforcing lining cloth (6) is arranged on the inner side of the limiting lock edge ring (7).

3. The air purifying device formaldehyde-removing sponge filter screen according to claim 1, characterized in that: The fuzzy surface magic tape (2) is fixedly connected with the first polyester fiber breathable reinforcing lining cloth (5), and the hook surface magic tape (3) is fixedly connected with the second polyester fiber breathable reinforcing lining cloth (6).

4. The formaldehyde removal sponge filter screen of claim 1, wherein: The first polyester fiber breathable reinforcing lining cloth (5) and the second polyester fiber breathable reinforcing lining cloth (6) are arranged in abutment, and the cross-sectional shape of the first polyester fiber breathable reinforcing lining cloth (5) is the same as that of the second polyester fiber breathable reinforcing lining cloth (6).

5. The formaldehyde removal sponge filter screen of claim 1, wherein: The second polyester fiber breathable reinforcing lining cloth (6) is arranged between the first polyester fiber breathable reinforcing lining cloth (5) and the antibacterial bamboo fiber lining cloth (4), and the first polyester fiber breathable reinforcing lining cloth (5) is arranged between the second polyester fiber breathable reinforcing lining cloth (6) and the formaldehyde removal sponge filter screen body (1).