CN212393915U

CN212393915U - High-air-permeability mask filter element and mask type mask

Info

Publication number: CN212393915U
Application number: CN202020189460.4U
Authority: CN
Inventors: 曾林涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-20
Filing date: 2020-02-20
Publication date: 2021-01-26
Anticipated expiration: 2030-02-20

Abstract

The utility model discloses a high gas permeability gauze mask filter core, including the inlayer, it is outer and set up the filter layer between inlayer and skin, the filter layer is foldable setting and forms three-dimensional structure, and it includes the filtration stratum reticulare and is used for supporting the support layer of filtration stratum reticulare in order to realize folding design, filter layer, inlayer and outer edge are handled and are sealed through the banding. The utility model also provides a face guard formula gauze mask. The utility model discloses a high gas permeability gauze mask filter core, its filter layer adopt foldable design, compare with planar structure and improved effective filtration area by a wide margin to improve the gas permeability of gauze mask greatly.

Description

High-air-permeability mask filter element and mask type mask

Technical Field

The utility model relates to a gauze mask technical field, concretely relates to high gas permeability gauze mask filter core and contain the mask formula gauze mask of this gauze mask filter core.

Background

The gauze mask that people can use in daily life often belongs to health supplies, wears the air that is arranged in filtering inlet port, nose at the oronasal position, not only can block harmful gas or smell, also can block crowd's droplet, bacterium etc. reaches the effect of protection human body, and is especially to haze weather, and the gauze mask is more indispensable.

The existing mask has the following defects: the filtering material is generally of a plane structure, the air permeability is poor, and the effective filtering area is small; the mask with high filtration grade has poor air permeability and stuffiness, and is not suitable for children and old people; the function is single, can only intercept particulate matters, can not remove harmful gases such as second-hand smoke, formaldehyde and automobile exhaust.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a high gas permeability gauze mask filter core, this gauze mask filter core's filter layer adopts foldable design, compares with planar structure and has improved effective filter area by a wide margin to improve the gas permeability of gauze mask greatly.

In order to solve the technical problem, the utility model provides a high gas permeability gauze mask filter core, including the inlayer, outer and set up the filter layer between inlayer and skin, the filter layer is foldable setting and forms three-dimensional structure, and it includes the filtration stratum reticulare and is used for supporting the support layer of filtration stratum reticulare in order to realize folding design, filter layer, inlayer and outer edge are handled and are sealed through the banding.

Further, the filter layer folds are square wave-shaped or triangular wave-shaped.

Further, the filter screen layer is a nanofiber layer, a PTFE filter membrane layer or a melt-blown fiber layer, and the support layer is a polyester non-woven fabric or a polyester gauze.

Further, the filter screen layer and the support layer are bonded together through bonding fibers, or the filter screen layer and the support layer are fixed together in a hot pressing mode.

Further, still include with the filtration layer complex purification layer together, purify the layer and be the activated carbon particle layer, carbon fiber layer or be loaded with the fibrous layer that can adsorb degradation harmful gas functional substance, the edge of filtration layer, purification layer, inlayer and skin is sealed through banding processing.

Further, it is a plurality of to purify layer and filter layer, and interval sets up in proper order.

Further, the filter screen layer is a fiber layer with a purification function.

Further, the edges of the filter layer, the inner layer and the outer layer are compounded together through hot pressing or ultrasonic waves.

Further, the inner layer and the outer layer are non-woven fabrics or textile fabrics.

The utility model discloses another aspect provides a face guard formula gauze mask, which comprises a face guard, be equipped with the bayonet socket in the face guard, bayonet socket department is provided with high gas permeability gauze mask filter core.

The utility model has the advantages that:

the utility model discloses a high gas permeability gauze mask filter core, its filter layer include filter screen layer and supporting layer, and wherein the supporting layer has certain deflection, can the design of rolling over to make the three-dimensional structure of the collapsible multiple shape of filter layer. After the design of folding, the effective filtration area is greatly improved compared with a plane structure, thereby greatly improving the air permeability of the mask.

The utility model discloses a mask formula gauze mask, the face guard can repetitious usage, and the filter core can be changed according to the demand, and the filter core can be for example possess dustproof haze, antivirus or additional filter core that adsorbs harmful gas function, removes peculiar smell, second-hand-shaped cigarette, kitchen hot pepper flavor, formaldehyde etc..

Drawings

FIG. 1 is a schematic cross-sectional view of a highly air permeable mask cartridge of the present invention;

FIG. 2 is two exemplary structures formed by folding the filter layer;

FIG. 3 is a schematic view of the filter layer after deployment;

the reference numbers in the figures illustrate: 1. an outer layer; 2. a filtration purification layer; 3. an inner layer; 4. and (7) sealing edges.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As described in the background art, the conventional mask has the following disadvantages: the filtering material is generally of a plane structure, the air permeability is poor, and the effective filtering area is small; the mask with high filtration grade has poor air permeability and stuffiness, and is not suitable for children and old people to try; the function is single, can only intercept particulate matters, can not remove harmful gases such as second-hand smoke, formaldehyde and automobile exhaust.

In order to solve the technical problem, the utility model provides a high gas permeability gauze mask filter core, refer to fig. 1-3, this gauze mask filter core includes inlayer 3, outer 1 and set up the filter layer between inlayer 3 and outer 1, the filter layer is foldable setting and forms three-dimensional structure, and it includes the filtration stratum reticulare and is used for supporting the support layer of filtration stratum reticulare in order to realize folding design, the edge of filter layer, inlayer 3 and outer 1 is handled through the banding.

In the present invention, the edges of the filter layer, the inner layer 3 and the outer layer 1 are preferably laminated together by hot pressing or ultrasonic wave. The material of the mask filter element can be round, strip or other shapes, and four sides are smooth, so that the mask filter element is convenient to seal during installation.

The inner layer 3 and the outer layer 1 may be selected from a non-woven fabric or a woven fabric, which has excellent air-permeable and moisture-absorbing functions. Preferably, the non-woven fabric or the textile fabric is an antibacterial fabric so as to achieve the aim of antibiosis.

The supporting layer has certain stiffness and can be folded and shaped, so that the filtering layer can be folded into three-dimensional structures in various shapes. The support layer is preferably a polyester nonwoven or a polyester gauze.

The filter web layer acts to filter air and is preferably a nanofiber layer, a PTFE filter membrane layer, or a meltblown fiber layer (typically on the micron scale).

The filter screen layer and the support layer can be fixed together by various methods such as bonding, pressing and the like. For example, the filter net layer and the support layer can be bonded together by a bonding fiber layer, or the filter net layer and the support layer can be fixed together by hot pressing.

The utility model discloses in, the three-dimensional structure of multiple shape is formed in the folding of filter layer accessible, and its effective filtration area is 2-10 times of ordinary planar structure, and the gas permeability has improved 2-10 times. Fig. 2 shows two typical configurations thereof, square wave and triangular wave, respectively. Of course, the folding structure of the filter layer may also be other structures, such as saw-tooth wave, rectangular wave, etc., without limitation. The fold height is preferably 2-20 mm.

Although the breathing mask added with activated carbon appears on the market, the loaded activated carbon is very low due to the limitation of air permeability, and the adsorption purification effect is very limited. And the utility model discloses a gauze mask filter core because 3D structural design has improved the gas permeability greatly, can be on filtering material's basis compound purification material again, can effectively get rid of harmful gas. Therefore in some embodiments of the present invention, the mask filter element further comprises a purification layer between the inner layer 3 and the outer layer 1, so as to intercept the particles and simultaneously achieve the function of removing harmful gases. The purification layer is combined with a filter layer to form a three-dimensional structure (the filter layer and the purification layer together form a filter purification layer 2), wherein the edges of the filter layer, the purification layer, the inner layer 3 and the outer layer 1 are preferably sealed by hot pressing or ultrasonic wave combination to ensure the sealing of the periphery of the filter element.

The purifying layer is preferably an activated carbon particle layer or a carbon fiber layer, which has a high specific surface area and can adsorb harmful gases in the air, such as second-hand smoke, formaldehyde, automobile exhaust and the like, through adsorption. Of course, the purification layer may be made of other materials capable of removing harmful gases, and is not limited herein.

According to the needs of filtration and purification, the utility model discloses a filter layer all can set up to the multilayer with purifying the layer, can reach the effect that increases the gas permeability equally. When the filtering layer and the purifying layer are both multilayer, the filtering layer and the purifying layer are preferably arranged at intervals in sequence.

In one implementation, the filter net layer can be selected to be a fiber layer with a purifying function, so that the fiber layer can have the functions of intercepting particulate matters and purifying simultaneously, and the purifying layer is not needed to be arranged. The fiber layer can be activated carbon fiber, or a fiber layer formed by compounding common fiber and activated carbon particles or other purification particles.

The utility model discloses a gauze mask filter core still can further prepare into the gauze mask formula gauze mask, and it includes the face guard, is equipped with the bayonet socket in the face guard, bayonet socket department is provided with the utility model discloses a high gas permeability gauze mask filter core. Wherein the mask is preferably provided with a silica gel attaching surface so as to be attached to the face. The face guard can repetitious usage, and the gauze mask filter core can be changed according to the demand, for example the gauze mask filter core can be the filter core that possesses dustproof haze, antivirus or additional absorption harmful gas function to get rid of peculiar smell, second-hand-cigarette, kitchen hot pepper flavor, formaldehyde etc..

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. A high-permeability mask filter element comprises an inner layer, an outer layer and a filter layer arranged between the inner layer and the outer layer, and is characterized in that the filter layer is arranged in a folding manner to form a three-dimensional structure and comprises a filter screen layer and a support layer which are combined together, wherein the support layer is used for supporting the filter screen layer to realize folding and shaping; the edges of the filter layer, the inner layer and the outer layer are sealed through edge sealing treatment.

2. The highly breathable mask filter of claim 1 wherein said filter layer is folded in a square wave or triangular wave shape.

3. The highly breathable mask filter of claim 1 wherein the filter web layer is a nanofiber layer, a PTFE filter membrane layer or a meltblown fiber layer, and the support layer is a polyester nonwoven fabric or a polyester gauze.

4. The high air permeability mask filter element of claim 3, wherein the filter screen layer and the support layer are bonded together by bonding fiber, or the filter screen layer and the support layer are laminated together by hot pressing.

5. The filter element for a mask having high air permeability according to claim 1, further comprising a purification layer compounded with the filter layer, wherein the purification layer is an activated carbon particle layer, a carbon fiber layer or a fiber layer loaded with a functional substance capable of adsorbing and degrading a harmful gas, and edges of the filter layer, the purification layer, the inner layer and the outer layer are sealed by edge sealing treatment.

6. The filter element for mask of claim 5 wherein the purification layer and the filtration layer are provided in plurality and are sequentially spaced apart.

7. The highly breathable mask filter according to claim 1, wherein the filter web layer is a fibrous layer having a purification function.

8. The filter element for a mask having high air permeability according to claim 1, wherein the edges of the filter layer, the inner layer and the outer layer are laminated together by heat pressing or ultrasonic waves.

9. The filter element for mask with high air permeability of claim 1, wherein the inner layer and the outer layer are non-woven fabric or woven fabric.

10. A mask type respirator comprising a mask, wherein the mask is provided with a bayonet, and the bayonet is provided with a high air permeability mask filter element according to any one of claims 1 to 9.