WO2021196190A1

WO2021196190A1 - Replaceable protective face mask

Info

Publication number: WO2021196190A1
Application number: PCT/CN2020/083287
Authority: WO
Inventors: 范广
Original assignee: 东莞市靓彩硅胶电子科技有限公司
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2021-10-07

Abstract

A replaceable protective face mask, comprising: a face mask body (100), which is provided with a plurality of vent holes (110), and is provided with a flexible sealing gasket (120) on the inner side to form an accommodating space (130) using the face mask body (100) as the top and the flexible sealing gasket (120) as the bottom, flexible clipping pieces (140) being fixedly provided on two sides of the accommodating space (130); a face mask support (200), which is detachably mounted in the accommodating space (130) and is fitted at the position between the face mask body (100) and the flexible caliper pieces (140), and the top of the mask support correspondingly supporting the face mask body (100); and a replaceable filter (300), which is limited at the position between the face mask body (100) and the face mask support (200).The replaceable filter (300) is configured to be detachably replaced, and the face mask body (100) and the face mask support (200) are reusable, so as to effectively reduce the waste of resources and reduce the pollution of face mask garbage to the natural environment.

Description

Replaceable protective mask

Technical field

The invention belongs to the technical field of masks, and particularly relates to a replaceable protective mask and a manufacturing process thereof.

Background technique

Masks are an important line of defense to prevent respiratory infectious diseases. They can not only prevent patients from spraying droplets, reduce the amount and speed of droplets, but also block virus-containing droplet nuclei to protect the wearer from the risk of inhalation. With the development of the novel coronavirus-infected pneumonia epidemic, whether it is an ordinary family, an individual, or a hospital or community hospital in the front line of the epidemic, the demand for masks is almost unlimited.

Masks are generally composed of the following parts: main filter material, nose clip and hanging ears, etc. Among them, the main filter material generally has three layers, the inner and outer layers are non-woven fabrics, and the middle filter layer is melt blown cloth. As the main filter material of masks, melt blown cloth is very important. It is worth noting that as an important raw material for medical surgical masks and N95 masks, melt blown cloth is different in the amount of the two. Medical surgical masks are generally SMS structure (two spunbond layers and one melt blown layer), which can filter N95 masks with 95% fine particles sometimes need to be made of SMMMS non-woven fabric (three-layer melt blown layer), and the amount of melt blown cloth is much higher than that of ordinary masks. As a key material in the filtering process of masks, meltblown cloth can be called the "heart" of medical surgical masks and N95 masks. Recently, due to the substantial increase in the demand for masks, the supply of melt blown cloth is also very tight, and the price has even increased more than ten times. It can be said that "a piece of cloth is hard to find."

It can be seen that from the perspective of the existing mask structure, the production of each mask requires the process of assembling the main filter material, nose clip and ear hanging, which is cumbersome and complicated; and because the current masks are disposable, Once used, it cannot be used again, which causes serious waste of raw materials.

Summary of the invention

The purpose of the present invention is to provide a replaceable protective mask and its manufacturing process, which aims to solve the unreasonable structure of the mask in the prior art, which leads to cumbersome and complicated production; and the current masks are disposable and can be used only once. It cannot be used again, which causes a technical problem of serious waste of raw materials.

To achieve the foregoing objective, an embodiment of the present invention provides a replaceable protective mask, including:

The mask body is provided with a plurality of vent holes, and the inner side of the mask body is integrally formed with a soft sealing gasket close to the human face to form an accommodation space with the mask body as the top and the soft sealing gasket as the bottom. Flexible caliper pieces are fixedly arranged on both sides of the accommodating space;

A mask holder is detachably installed in the accommodation space and clamped at a position between the mask main body and the flexible caliper piece, and the top of the mask support corresponds to the mask main body;

The replaceable filter chip is limited to the position between the mask body and the mask holder.

Optionally, the soft sealing gasket is provided with a plurality of curved surface fitting parts adapted to the shape of the human face.

Optionally, the curved surface fitting portion includes a nose bridge fitting portion arranged on the upper part of the soft sealing gasket and adapted to the shape of the nose bridge area, and arranged in the middle of the soft sealing gasket and adapted to the shape of the cheek area A matching cheek fitting part and a chin fitting part arranged at the lower part of the soft sealing gasket and adapted to the shape of the chin area.

Optionally, fixed contacts protruding outwards are provided on the periphery of the mask support, fixed holes adapted to the fixed contacts are opened on the periphery of the replaceable filter chip, and the mask support and the replaceable The filter chip is assembled and fixed together by the fixing contact and the fixing hole.

Optionally, the flexible caliper pieces are arranged protrudingly on both sides of the accommodating space, and the flexible caliper pieces are offset and arranged toward one side of the mask body.

Optionally, the mask holder has a grid-like elastic curved surface structure, and the end surface of the mask holder protrudes upward to form a supporting curved surface with two sides arching toward the middle.

Optionally, the left and right sides of the mask body are respectively provided with hanging ears, and the hanging ears include a hanging ear rope fixedly connected to the mask body and an adjusting member movably sleeved on the hanging ear rope.

Optionally, the replaceable filter chip includes an outer layer of a non-woven fabric, a filter layer, and an inner layer of a non-woven fabric that are sequentially stacked from the outside to the inside, and the filter layer is a melt-blown non-woven fabric and a hot air filter. One or a combination of any two or more of cotton, spunbonded nonwoven fabric, needle punched nonwoven fabric or gauze.

Optionally, the mask body and the soft sealing gasket are made of silica gel.

Optionally, the mask holder is made of PP material.

The above-mentioned one or more technical solutions in the replaceable protective mask provided by the embodiments of the present invention have at least one of the following technical effects: Compared with the prior art, the replaceable protective mask of the present invention redesigns the structure, It is divided into three parts: a mask body, a mask holder and a replaceable filter chip; among them, the mask holder is detachably mounted on the mask body, and the replaceable filter chip is then limited to the position between the mask body and the mask holder. It can be seen that the present invention sets the replaceable filter chip in a detachable and replaceable manner, and the mask body and the mask holder can be reused, realizing a set of mask body and mask holder to match multiple replaceable filter chips for use, which effectively reduces Waste of resources, while reducing the pollution of the natural environment by mask garbage. At the same time, manufacturers have invested more in the production of matching replaceable filter chips, which not only reduces the excess amount of main raw materials for masks, but also simplifies the production process of masks.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are merely of the present invention. For some embodiments, for those of ordinary skill in the art, other drawings may be obtained based on these drawings without creative labor.

Fig. 1 is a first visual perspective view of a replaceable protective mask provided by an embodiment of the present invention;

2 is a second visual perspective view of a replaceable protective mask provided by an embodiment of the present invention;

Figure 3 is an exploded schematic diagram of a replaceable protective mask provided by an embodiment of the present invention;

Figure 4 is a cross-sectional view of a replaceable protective mask provided by an embodiment of the present invention;

5 is a schematic diagram of assembly of a mask holder and a replaceable filter chip provided by an embodiment of the present invention;

Figure 6 is a front view of a mask holder provided by an embodiment of the present invention;

Fig. 7 is an exploded schematic diagram of a mask body provided by an embodiment of the present invention;

FIG. 8 is a schematic diagram of the composition of a replaceable filter chip provided by an embodiment of the present invention.

Among them, the reference signs in the figure:

100—Mask body 110—Vent hole 120—Soft sealing gasket

121—Curved surface fitting part 122—Nose bridge fitting part 123—Cheek fitting part

124—Chin fitting department 130—accommodating space 140—flexible caliper piece

150—Hanging ear mounting wing 151—Hanging ear mounting hole 200—Mask bracket

210—Fixed contact 220—Support curved surface 300—Replaceable filter chip

310—Fixed hole 320—Non-woven outer layer 330—Filter layer

340—Non-woven inner layer 400—hanging ears 410—hanging ear ropes

420—Adjustment piece 500—Rivet

Detailed ways

The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the embodiments of the present invention, but should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical" "," "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing and simplifying the embodiments of the present invention. The description does not indicate or imply that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined.

In the embodiments of the present invention, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense. For example, it may be a fixed connection or an optional Disassembled connection, or integrated; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in the embodiments of the present invention can be understood according to specific situations.

In an embodiment of the present invention, as shown in Figures 1 to 4, a replaceable protective mask includes:

The mask body 100 is provided with a plurality of vent holes 110 therethrough. The inner side of the mask body 100 is integrally formed with a soft sealing gasket 120 close to the human face, forming a mask with the mask body 100 as the top and the soft sealing gasket 120 as The accommodating space 130 at the bottom, the accommodating space 130 is fixedly provided with flexible caliper pieces 140 on both sides;

The mask holder 200 is detachably installed in the accommodation space 130 and clamped at a position between the mask body 100 and the flexible caliper piece 140, and the top of the mask body 100 is correspondingly supported;

The replaceable filter chip 300 is limited to a position between the mask body 100 and the mask holder 200.

The replaceable protective mask provided by the embodiments of the present invention will be further explained below: the replaceable protective mask of the present invention has redesigned the structure, and is divided into the mask body 100, the mask holder 200, and the replaceable filter. Three parts of the chip 300; wherein the mask holder 200 is detachably mounted on the mask body 100, and the replaceable filter chip 300 is further confined between the mask body 100 and the mask holder 200 Location. It can be seen that the present invention sets the replaceable filter chip 300 in a detachable and replaceable manner, and the mask body 100 and the mask holder 200 can be reused to realize a set of the mask body 100 and the mask holder 200 The use of multiple pieces of the replaceable filter chip 300 can effectively reduce the waste of resources, and at the same time reduce the pollution of the mask garbage to the natural environment. At the same time, manufacturers have invested more in the production of the replaceable filter chip 300 that is used in conjunction with each other, which not only reduces the excess amount of main raw materials of the mask, but also simplifies the production process of the mask.

Further, in the embodiment of the present invention, as shown in FIG. 2, the traditional nose clip is discarded, and the soft sealing gasket 120 is integrally formed inside the mask body 100, and the user wears the replaceable In the case of a protective mask, the soft sealing gasket 120 is close to the face of the human body, and the breathing parts of the human body such as the oral cavity and the nasal cavity are accommodated in the containing space 130. Due to the excellent flexibility and resilience of the soft sealing gasket 120, it can deform with the movement of the human facial muscles, and has an unexpected dynamic close effect, which can prevent the replaceable protective mask from interacting with the human face. A gap is formed between them, therefore, the unfiltered air will not be directly inhaled by the user, thereby enabling the present invention to have a better filtering effect.

Preferably, in the embodiment of the present invention, as shown in FIG. 1, the mask body 100 is provided with a plurality of ventilation holes 110 through it, so that a more effective air passage can be formed on the mask body 100, reducing Breathing resistance improves the ventilation performance of the present invention, so that users can breathe smoothly. In addition, since the replaceable filter chip 300 is installed on the inside of the mask body 100, which constitutes a double-layer protection structure, the mask body 100 can ensure that the present invention has good air permeability. The filter chip 300 can ensure that the present invention has good filterability.

In another embodiment of the present invention, as shown in FIG. 2, the soft sealing gasket 120 in the replaceable protective mask is provided with a plurality of curved surface fitting parts 121 that are adapted to the shape of the human face.

Further, the curved surface fitting portion 121 includes a nose bridge fitting portion 122 arranged on the upper part of the soft sealing gasket 120 and adapted to the shape of the nose bridge area, and arranged in the middle of the soft sealing gasket 120 and connected to the cheek area. The cheek fitting part 123 with a matching shape and the chin fitting part 124 arranged at the lower part of the soft sealing gasket 120 and matching the shape of the chin area.

Specifically, in the embodiment of the present invention, the soft sealing gasket 120 adopts a three-dimensional 3D design method, and is provided with the nose bridge fitting portion 122 and the cheek fitting on the side that fits the human face. The curved surface fitting portion 121 of the chin fitting portion 124 and the chin fitting portion 124 can perfectly fit the shape of the human face, conform to the ergonomic design, and closely fit the human face, thus ensuring the present invention The sealability of the invention also makes the present invention not stick to the mouth and face, reduces the stuffiness of the mouth and nose, and improves the comfort of use.

In another embodiment of the present invention, as shown in FIG. 5, in the replaceable protective mask, fixed contacts 210 are provided on the periphery of the mask holder 200 protruding outward, and the periphery of the replaceable filter chip 300 A fixing hole 310 adapted to the fixing contact 210 is opened.

Specifically, in the process of combining and assembling the mask body 100, the mask holder 200, and the replaceable filter chip 300, the replaceable filter chip 300 is first connected and fixed on the mask holder 200 to form a As a whole, that is, the mask holder 200 and the replaceable filter chip 300 are assembled and fixed together through the fixed contact 210 and the fixing hole 310; then the mask holder 200 and the replaceable filter chip 300 are installed on The accommodating space 130 is clamped at a position between the mask body 100 and the flexible caliper piece 140 to complete the assembly.

It can be seen that, in the embodiment of the present invention, the replaceable filter chip 300 can be more stably fixed at the position between the mask body 100 and the mask holder 200, even if the user wears the replaceable protective mask for severe stress. The movement of the replaceable filter chip 300 will not shift or even fall off, which ensures the stability of the structure.

In another embodiment of the present invention, as shown in FIG. 4, the flexible caliper pieces 140 in the replaceable protective mask are protrudingly arranged on both sides of the accommodating space 130, and the flexible caliper pieces 140 is offset to one side of the mask body 100.

Specifically, when the mask holder 200 is clamped between the mask body 100 and the flexible caliper piece 140, first insert one side of the mask holder 200 into the mask body 100 and the mask body 100. Between the soft caliper pieces 140, the other side of the soft caliper piece 140 is then moved to reserve a space for installation, and then the other side of the mask holder 200 is inserted into the mask body 100 and Between the soft caliper pieces 140, release the soft caliper piece 140 and reset to compress the mask holder 200.

In addition, since the flexible caliper pieces 140 are offset toward one side of the mask body 100, the flexible caliper pieces 140 on both sides can push the mask holder 200 toward the mask body 100 and Close to the mask body 100, it will not loosen or shake after assembly, and the stability is better.

In another embodiment of the present invention, as shown in FIGS. 2 and 6, the mask holder 200 in the replaceable protective mask has a mesh-like elastic curved surface structure, and the end face of the mask holder 200 is convex upwards. A supporting curved surface 220 with two sides arching toward the middle is formed. Specifically, since the mask support 200 has a three-dimensional structure, after the mask support 200 is connected to the mask main body 100, the support curved surface 220 in the mask support 200 supports the mask main body 100 Therefore, a three-dimensional accommodating space 130 capable of accommodating the contours of the body's face is formed, which effectively increases the air flow space and the filtering area.

In another embodiment of the present invention, as shown in FIG. 1, the left and right sides of the mask body 100 in the replaceable protective mask are respectively provided with hanging ears 400, and the hanging ears 400 include fixedly connected to the The ear strap 410 on the mask body 100 and the adjusting member 420 movably sleeved on the ear strap 410 are described. Specifically, when the replaceable protective mask is worn, it is directly hung on the ears of the user through the ear straps 410 on both sides, and then the ear straps 410 are tightened by the adjusting member 420, so that The ear-hanging cord 410 forms a hanging space adapted to the ear, thereby ensuring that the replaceable protective mask can be stably hung on the ear without falling.

Further, as shown in FIG. 7, the left and right sides of the mask body 100 are respectively provided with ear mounting wings 150 extending outward, and the upper and lower ends of the ear mounting wings 150 are respectively provided with ear mounting holes 151, Both ends of the ear strap 410 are fixedly connected in the ear mounting holes 151 by a rivet 500 respectively.

In another embodiment of the present invention, as shown in FIG. 8, the replaceable filter chip 300 in the replaceable protective mask includes a non-woven fabric outer layer 320 that is sequentially laminated from the outside to the inside, and a filter Layer 330 and non-woven inner layer 340. Wherein, the fiber diameter of the non-woven fabric outer layer 320 and the non-woven fabric inner layer 340 is relatively thick, about 20 micrometers (μm), and the main function is to support the entire structure of the replaceable filter chip 300, and to block It does not have much effect. It has the characteristics of moisture-proof, breathable, flexible, light weight, anti-bacterial, non-combustible, easy to decompose, non-toxic and non-irritating. In addition, the filter layer 330 is one or a combination of any two or more of melt-blown non-woven fabric, hot-air air filter cotton, spun-bonded non-woven fabric, needle punched non-woven fabric, or gauze.

Specifically, in the embodiment of the present invention, the filter layer 330 adjusts the material and layered structure according to functional requirements: when the replaceable protective mask is used as a disposable medical mask, the filter layer 330 selects a layer of melting Spray non-woven fabric; when the replaceable protective mask is used as KN90, the filter layer 330 is a two-layer melt-blown non-woven fabric; when the replaceable protective mask is used as KN95, the filter layer 330 is selected Two layers of meltblown non-woven fabrics are laminated with hot air filter cotton. Among them, the fiber diameter of the meltblown non-woven fabric is relatively small, about 2 microns (μm), which is vital to prevent bacteria and blood from penetrating it; the hot air filter cotton uses polyester fiber and low-melting fiber After heating and synthetic production, it has a fluffy, soft feel, good elasticity, strong warmth retention, good moisture absorption and air permeability, and is stable in acid and alkali resistance, non-toxic, and does not produce any chemical effects. The product can be naturally degraded and is environmentally friendly. Require.

In another embodiment of the present invention, the mask body 100 and the soft sealing gasket 120 in the replaceable protective mask are made of silicone material. On the one hand, the silicone material can be sterilized by high temperature, washed with water, and is not easy to breed. Bacteria, so that the mask body 100 and the soft sealing gasket 120 meet the basic requirements of reuse; on the other hand, the silicone material has super stretch performance and adsorption force, soft and skin-friendly, so that the mask The main body 100 and the soft sealing gasket 120 have good skin affinity and softness, which greatly improves the wearing comfort.

In another embodiment of the present invention, the mask holder 200 in the replaceable protective mask is made of PP material. On the one hand, the PP material is a colorless, odorless, non-toxic, and translucent solid material, so that It is ensured that the mask holder 200 manufactured meets the requirements for the use of masks; on the other hand, the PP material has low strength, high toughness and light weight, so as to ensure that the mask holder 200 can meet the requirements of multiple disassembly and installation without being easily damaged, and at the same time after assembly The replaceable protective mask is lighter and more comfortable to wear.

The above descriptions are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement and improvement made within the spirit and principle of the present invention shall be included in the protection of the present invention. Within range.

Claims

A replaceable protective mask, which is characterized in that it comprises:

The mask body is provided with a plurality of vent holes, and the inner side of the mask body is integrally formed with a soft sealing gasket close to the human face to form an accommodation space with the mask body as the top and the soft sealing gasket as the bottom. Flexible caliper pieces are fixedly arranged on both sides of the accommodating space;

A mask holder is detachably installed in the accommodation space and clamped at a position between the mask main body and the flexible caliper piece, and the top of the mask support corresponds to the mask main body;

The replaceable filter chip is limited to the position between the mask body and the mask holder.
The replaceable protective mask according to claim 1, wherein the soft sealing gasket is provided with a plurality of curved surface fitting parts adapted to the shape of the human face.
The replaceable protective mask according to claim 2, wherein the curved surface fitting part comprises a nose bridge fitting part arranged on the upper part of the soft sealing gasket and adapted to the shape of the nose bridge area, and is arranged at the A cheek fitting part in the middle of the soft sealing gasket and matching the shape of the cheek area and a chin fitting part arranged at the lower part of the soft sealing gasket and matching the shape of the chin area.
The replaceable protective mask according to claim 1, characterized in that: fixed contacts protruding outwardly are provided on the periphery of the mask holder, and the replaceable filter chip is provided with fixed contacts on the periphery thereof. The mask holder and the replaceable filter chip are assembled and fixed together through the fixed contact and the fixed hole.
The replaceable protective mask according to claim 1, wherein the flexible caliper pieces are protrudingly arranged on both sides of the accommodating space, and the flexible caliper pieces are biased toward one side of the mask body Shift settings.
The replaceable protective mask according to any one of claims 1 to 5, wherein the mask holder is a mesh-like elastic curved surface structure, and the end surface of the mask holder protrudes upward to form a side facing toward the middle. Arched support surface.
The replaceable protective mask according to any one of claims 1-5, wherein the left and right sides of the mask body are respectively provided with hanging ears, and the hanging ears comprise fixedly connected to the mask body. The ear-hanging rope and the adjustable piece that is movably sleeved on the ear-hanging rope.
The replaceable protective mask according to any one of claims 1-5, characterized in that: the replaceable filter chip comprises a non-woven fabric outer layer, a filter layer and a non-woven fabric layer which are sequentially laminated from the outside to the inside. The inner layer of the cloth, the filter layer is one or a combination of any two or more of melt-blown non-woven fabric, hot air filter cotton, spun-bonded non-woven fabric, needle punched non-woven fabric or gauze.
The replaceable protective mask according to any one of claims 1 to 5, wherein the mask body and the soft sealing gasket are made of silica gel.
The replaceable protective mask according to any one of claims 1-5, wherein the mask holder is made of PP material.