CN212036143U

CN212036143U - Replaceable protective mask

Info

Publication number: CN212036143U
Application number: CN202020484076.7U
Authority: CN
Inventors: 范广
Original assignee: Dongguan Liangcai Silicone Electronic Technology Co ltd
Current assignee: Dongguan Liangcai Silicone Electronic Technology Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-12-01
Anticipated expiration: 2030-04-03

Abstract

The utility model relates to a but substitution protective facial mask, include: the mask body is provided with a plurality of air holes, the inner side of the mask body is provided with a soft sealing gasket to form an accommodating space with the mask body as the top and the soft sealing gasket as the bottom, and the two sides of the accommodating space are fixedly provided with soft clamping sheets; the mask support is detachably arranged in the accommodating space and clamped between the mask main body and the soft clamping sheet, and the top of the mask support correspondingly supports the mask main body; the replaceable filter chip is limited between the mask body and the mask support. The utility model sets the replaceable filter chip to be detachable and replaceable, and the mask main body and the mask bracket can be reused, thereby effectively reducing the waste of resources and simultaneously reducing the problem of pollution of the mask garbage to the natural environment; meanwhile, manufacturers put more production on the replaceable filter chip used in a matched mode, so that the redundant consumption of main raw materials of the mask is reduced, and the mask production process is simplified.

Description

Replaceable protective mask

Technical Field

The utility model belongs to the technical field of the gauze mask, especially, relate to a but substitution protective facial mask and manufacturing process thereof.

Background

The mask is an important defense line for preventing respiratory infectious diseases, can prevent a patient from spraying droplets, reduce the amount and the spraying speed of the droplets, block droplet nuclei containing viruses and protect the inhalation risk of the wearer. With the development of pneumonia epidemic caused by novel coronavirus infection, the demands of hospitals in the front of the epidemic situation of common families, individuals and bodies and community hospitals on the whole line almost have no upper limit to the mask.

The mask generally comprises the following parts: main part filter material, nose clip and hangers etc.. The main filtering material generally has three layers, wherein the inner layer and the outer layer are both non-woven fabrics, and the middle filtering layer is melt-blown fabric. As a main body filter material of the mask, meltblown fabric is very important. It is worth noting that the melt-blown fabric is used as an important raw material of a medical surgical mask and an N95 mask, the medical surgical mask and the N95 mask are different in dosage, the medical surgical mask is generally of an SMS structure (two spunbond layers and one melt-blown layer), the N95 mask capable of filtering 95% of fine particles is sometimes manufactured by using SMMMS non-woven fabrics (three melt-blown layers), and the dosage of the melt-blown fabric is much higher than that of a common mask. As a key material of the mask filtering link, the melt-blown cloth can be called as the heart of a medical surgical mask and an N95 mask. In recent years, due to the great increase of the demand of the mask, the supply of melt-blown cloth is also very tight, the price is even doubled by more than ten times, and the mask is difficult to demand one piece of cloth.

As can be seen, in the existing mask structure, the production of each mask needs to be performed by the process of assembling the main body filtering material, the nose clip and the hanging ears, and the production is complicated and complicated; moreover, because the existing mask is disposable, the mask can not be used again after being used once, thereby causing serious waste of raw materials.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a replaceable protective mask and a manufacturing process thereof, aiming at solving the problems that the mask in the prior art has unreasonable structure and leads to complicated production; and the prior mask is disposable and can not be used again after being used once, thereby causing the technical problem of serious waste of raw materials.

In order to achieve the above object, an embodiment of the present invention provides a replaceable protective mask, including:

the mask comprises a mask body, a plurality of air holes are arranged in the mask body in a penetrating mode, a soft sealing gasket tightly attached to the face of a human body is integrally formed on the inner side of the mask body, an accommodating space with the mask body as the top and the soft sealing gasket as the bottom is formed, and soft clamping pieces are fixedly arranged on two sides of the accommodating space;

the mask support is detachably arranged in the accommodating space and clamped between the mask main body and the flexible calipers, and the top of the mask support correspondingly supports the mask main body;

a replaceable filter chip defined between the mask body and the mask support.

Optionally, the flexible sealing gasket is provided with a plurality of sections of curved surface fitting parts matched with the shape of the human face.

Optionally, the curved surface attaching portion includes a nose bridge attaching portion disposed on the upper portion of the soft sealing gasket and adapted to the shape of the nose bridge region, a cheek attaching portion disposed in the middle portion of the soft sealing gasket and adapted to the shape of the cheek region, and a chin attaching portion disposed on the lower portion of the soft sealing gasket and adapted to the shape of the chin region.

Optionally, the periphery of the mask support is provided with a fixed contact in an outward protruding manner, the periphery of the replaceable filter chip is provided with a fixed hole matched with the fixed contact, and the mask support and the replaceable filter chip are assembled and fixed together through the fixed contact and the fixed hole.

Optionally, the flexible caliper is convexly disposed at two sides of the accommodating space, and the flexible caliper is offset toward one side of the mask body.

Optionally, the mask support is of a grid-shaped elastic curved surface structure, and the end surface of the mask support protrudes upwards to form a supporting curved surface with two sides arched towards the middle.

Optionally, the left and right sides of the mask body are provided with hangers respectively, the hangers comprise hanger ropes fixedly connected to the mask body and adjusting pieces movably sleeved on the hanger ropes.

Optionally, the replaceable filter chip comprises a non-woven fabric outer layer, a filter layer and a non-woven fabric inner layer which are sequentially laminated from outside to inside, wherein the filter layer is one or a composition of more than two of melt-blown non-woven fabric, hot air filter cotton, spun-bonded non-woven fabric, needle-punched non-woven fabric or gauze.

Optionally, the mask body and the soft sealing washer are made of a silica gel material.

Optionally, the mask support is made of PP.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the replaceable protective facial mask have one of following technological effect at least: compared with the prior art, the replaceable protective mask has the advantages that the structure is redesigned and is divided into a mask main body, a mask support and a replaceable filter chip; wherein, gauze mask support detachably installs on the gauze mask main part, and then will replace filter chip and inject the position between gauze mask main part and gauze mask support. It can be seen that, the utility model discloses to set the mode that can dismantle the change to can replace filter chip, but and gauze mask main part and gauze mask support reuse realize that one set of gauze mask main part and gauze mask support come a supporting multi-disc to replace filter chip and use, have reduced the waste of resource effectively, reduce gauze mask rubbish to natural environment pollution's problem simultaneously. Meanwhile, manufacturers put more production on the replaceable filter chip used in a matched mode, so that the redundant consumption of main raw materials of the mask is reduced, and the mask production process is simplified.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

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

fig. 2 is a second perspective view of the replaceable protective mask according to the embodiment of the present invention;

fig. 3 is an exploded schematic view of a replaceable protective mask according to an embodiment of the present invention;

fig. 4 is a sectional view of a replaceable protective mask provided in an embodiment of the present invention;

fig. 5 is an assembly diagram of a mask support and a replaceable filter chip according to an embodiment of the present invention;

fig. 6 is a front view of a mask holder according to an embodiment of the present invention;

fig. 7 is an exploded view of the mask body according to the embodiment of the present invention;

fig. 8 is a schematic diagram illustrating a composition of an alternative filter chip according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

100-mask body 110-air vent 120-soft sealing gasket

121-curved surface attaching part 122-nose bridge attaching part 123-cheek attaching part

124-chin joint part 130-accommodating space 140-flexible clamping sheet

150-hanging lug mounting wing 151-hanging lug mounting hole 200-mask support

210-fixed contact 220-supporting curved surface 300-replaceable filter chip

310-fixed hole 320-non-woven fabric outer layer 330-filter layer

340-non-woven fabric inner layer 400-suspension loop 410-suspension loop rope

420-adjusting part 500-rivet

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to 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," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

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

the mask body 100 is provided with a plurality of air holes 110 in a penetrating manner, a soft sealing gasket 120 tightly attached to the face of a human body is integrally formed on the inner side of the mask body 100 to form an accommodating space 130 with the mask body 100 as the top and the soft sealing gasket 120 as the bottom, and soft clamping pieces 140 are fixedly arranged on two sides of the accommodating space 130;

a mask support 200 detachably installed in the receiving space 130 and fastened between the mask body 100 and the soft caliper 140, and having a top portion supporting the mask body 100;

a replaceable filter chip 300 defined between the mask body 100 and the mask support 200.

The embodiment of the present invention provides a replaceable protective mask, which is further described as follows: the replaceable protective mask of the utility model is structurally redesigned and divided into three parts, namely the mask main body 100, the mask bracket 200 and the replaceable filter chip 300; the mask support 200 is detachably mounted on the mask body 100, and thus the replaceable filter chip 300 is defined between the mask body 100 and the mask support 200. It can be seen that, the utility model discloses will can replace filter chip 300 and set to the mode that can dismantle the change, and gauze mask main part 100 with gauze mask support 200 repeatedly usable realizes one set gauze mask main part 100 with gauze mask support 200 comes supporting multi-disc can replace filter chip 300 and use, has reduced the waste of resource effectively, reduces the problem of gauze mask rubbish to natural environment pollution simultaneously. Meanwhile, manufacturers put more production on the replaceable filter chip 300 which is used in a matched mode, so that the redundant consumption of main raw materials of the mask is reduced, and the mask production process is simplified.

Further, in the embodiment of the present invention, as shown in fig. 2, the traditional nose clip is discarded, and the soft sealing washer 120 is integrally formed inside the mask main body 100, when the user wears the replaceable protective mask, the soft sealing washer 120 is tightly attached to the face of the human body, and the breathing parts of the human body, such as the oral cavity, the nasal cavity, etc., are accommodated in the accommodating space 130. Because softness and resilience of soft seal ring 120 are splendid, make it can be along with the motion deformation of human face muscle, have unexpected dynamic driving fit effect, can prevent to form the space between this but substitution protective facial mask and the human face, consequently, the air that does not filter can not directly be inhaled by the user, and then makes the utility model discloses better filter effect has.

Preferably, in the embodiment of the present invention, as shown in fig. 1, a plurality of air holes 110 are formed through the mask body 100, so that a more effective air passage can be formed on the mask body 100, the breathing resistance is reduced, and the ventilation performance is improved, so that the user can breathe smoothly. In addition, because the inboard of gauze mask main part 100 is installed can replace filter chip 300, has constituted double-deck protective structure promptly, thereby gauze mask main part 100 is guaranteeing the utility model discloses under the condition that has good gas permeability, can replace filter chip 300 and can ensure the utility model discloses good filterability has.

In another embodiment of the present invention, as shown in fig. 2, the flexible sealing gasket 120 of the replaceable protective mask is provided with a plurality of curved surface bonding portions 121 adapted to the shape of the face of the human body.

Further, the curved surface attaching portion 121 includes a nose bridge attaching portion 122 disposed on the upper portion of the soft sealing gasket 120 and adapted to the shape of the nose bridge region, a cheek attaching portion 123 disposed on the middle portion of the soft sealing gasket 120 and adapted to the shape of the cheek region, and a chin attaching portion 124 disposed on the lower portion of the soft sealing gasket 120 and adapted to the shape of the chin region.

Specifically, in the embodiment of the utility model provides an in, soft seal ring 120 has adopted three-dimensional 3D design method, is provided with in the one side with human face laminating include bridge of the nose laminating portion 122 cheek laminating portion 123 with chin laminating portion 124 curved surface laminating portion 121, the setting of curved surface then can perfectly agree with human face's shape, accord with ergonomic design, closely laminate with human face, both guaranteed the utility model discloses a leakproofness makes again the utility model discloses on-stick mouth face has reduced the oppression sense of mouth nose, has improved the comfort level of using.

In another embodiment of the present invention, as shown in fig. 5, the mask support 200 of the replaceable protective mask is provided with a fixed contact 210 protruding outward, and the periphery of the replaceable filter chip 300 is provided with a fixed hole 310 adapted to the fixed contact 210.

Specifically, in the process of assembling the mask body 100, the mask frame 200 and the replaceable filter chip 300, the replaceable filter chip 300 is first coupled and fixed to the mask frame 200 to form a whole, that is, the mask frame 200 and the replaceable filter chip 300 are assembled and fixed together through the fixing contact 210 and the fixing hole 310; then, the mask support 200 and the replaceable filter chip 300 are mounted in the receiving space 130 and are fastened between the mask body 100 and the flexible caliper 140, thereby completing the assembly.

It is thus clear that in the embodiment of the present invention, the replaceable filter chip 300 can be more stably fixed between the mask body 100 and the mask support 200, even if the user wears the replaceable protective mask to perform a violent exercise, the replaceable filter chip 300 will not shift or even fall off, and the stability of the structure is ensured.

In another embodiment of the present invention, as shown in fig. 4, the flexible clamping pieces 140 of the replaceable protective mask are protruded from both sides of the receiving space 130, and the flexible clamping pieces 140 are disposed in a manner of being shifted toward one side of the mask body 100.

Specifically, in the process of clamping the mask support 200 between the mask main body 100 and the flexible caliper 140, one side of the mask support 200 is inserted between the mask main body 100 and the flexible caliper 140, the flexible caliper 140 on the other side is then pulled to reserve an installation space, the other side of the mask support 200 is inserted between the mask main body 100 and the flexible caliper 140, and the flexible caliper 140 is released and reset to compress the mask support 200.

In addition, since the soft caliper 140 is disposed toward one side of the mask body 100 in a biased manner, the soft caliper 140 at both sides can push the mask support 200 toward the mask body 100 and tightly attach to the mask body 100, so that the mask support is not loosened or shaken after being assembled, and the stability is better.

In another embodiment of the present invention, as shown in fig. 2 and 6, the mask support 200 of the replaceable protective mask has a grid-shaped elastic curved surface structure, and the end surface of the mask support 200 protrudes upward to form a supporting curved surface 220 with two sides arched toward the middle. Specifically, since the mask support 200 has a three-dimensional structure, after the mask support 200 is coupled to the mask body 100, the mask body 100 is supported by the curved support surface 220 of the mask support 200, so that the three-dimensional receiving space 130 capable of receiving the facial contour of the body is formed, and the air flowing space and the filtering area are effectively increased.

In another embodiment of the present invention, as shown in fig. 1, the left and right sides of the mask body 100 of the replaceable protective mask are respectively provided with a hanging ring 400, the hanging ring 400 comprises a hanging ring rope 410 fixedly connected to the mask body 100 and an adjusting member 420 movably sleeved on the hanging ring rope 410. Specifically, when the replaceable protective mask is worn, the hangers 410 are directly hung on the ears of a user through the two sides, and then the hangers 410 are tightened by the adjusting piece 420, so that the hangers 410 form a hanging space matched with the ears, and the replaceable protective mask is further guaranteed to be stably hung on the ears and cannot drop.

Further, as shown in fig. 7, the left and right sides of the mask body 100 extend outward to be provided with a hanging lug mounting wing 150, the upper and lower ends of the hanging lug mounting wing 150 are respectively provided with a hanging lug mounting hole 151, and the two ends of the hanging lug rope 410 are respectively fixedly connected in the hanging lug mounting holes 151 through a rivet 500.

In another embodiment of the present invention, as shown in fig. 8, the replaceable filter chip 300 of the replaceable respirator includes a non-woven fabric outer layer 320, a filter layer 330 and a non-woven fabric inner layer 340 laminated in sequence from outside to inside. The fiber diameters of the non-woven fabric outer layer 320 and the non-woven fabric inner layer 340 are relatively large, are about 20 micrometers (mum), mainly function in supporting the whole structure of the replaceable filter chip 300, have no too large effect on blocking, and have the characteristics of moisture resistance, air permeability, flexibility, light weight, antibiosis, no combustion supporting, easy decomposition, no toxicity and no irritation. In addition, the filter layer 330 is one or a combination of two or more of melt-blown nonwoven fabric, hot air filter cotton, spun-bonded nonwoven fabric, needle-punched nonwoven fabric, and gauze.

Specifically, in the embodiment of the present invention, the filter layer 330 adjusts the material and the layered structure according to the functional requirement: when the replaceable protective mask is used as a disposable medical mask, the filter layer 330 is a layer of melt-blown non-woven fabric; when the replaceable protective mask is used as KN90, the filter layer 330 is made of two layers of melt-blown non-woven fabrics; when the replaceable respirator is used as KN95, the filter layer 330 is made of two layers of melt-blown nonwoven fabrics and laminated with hot air filter cotton. Wherein, the fiber diameter of the melt-blown non-woven fabric is relatively thin, is about 2 micrometers (mum), and plays an important role in preventing bacteria and blood from permeating; the hot air filtering cotton is made of polyester fibers and low-melting-point fibers through heating synthesis, has the characteristics of fluffy and soft hand feeling, good elasticity, strong heat retention, good moisture absorption and air permeability, is stable in acid resistance and alkali resistance, is non-toxic, does not produce any chemical action, can be naturally degraded, and meets the requirement of environmental protection.

In another embodiment of the present invention, the mask body 100 and the soft sealing washer 120 in the replaceable protective mask are made of silica gel, on one hand, the silica gel can be sterilized at high temperature and washed with water, and bacteria are not easy to grow, so that the mask body 100 and the soft sealing washer 120 can meet the basic requirement of recycling; on the other hand, the silica gel material has superstrong tensile properties and adsorption affinity, and soft skin-friendly is soft, thereby makes gauze mask main part 100 with soft seal ring 120 has good skin-friendly nature and compliance, has improved the comfort of wearing greatly.

In another embodiment of the present invention, the mask support 200 in the replaceable protective mask is made of PP, which is a colorless, odorless, nontoxic, and translucent solid material, so as to ensure that the mask support 200 meets the use requirements of the mask; on the other hand, PP material intensity is low, and toughness is high and the quality is light, thereby guarantees gauze mask support 200 can satisfy and dismantle the installation many times and not fragile, but the alternate form protective mask quality after the equipment is lighter simultaneously, wears more comfortablely.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A replaceable protective mask, comprising:

a replaceable filter chip defined between the mask body and the mask support.

2. The replaceable protective mask of claim 1, wherein: the flexible sealing gasket is provided with a plurality of sections of curved surface attaching parts matched with the shape of the face of the human body.

3. The replaceable protective mask of claim 2, wherein: the curved surface joint part comprises a nose bridge joint part which is arranged at the upper part of the soft sealing washer and is matched with the shape of a nose bridge area, a cheek joint part which is arranged at the middle part of the soft sealing washer and is matched with the shape of a cheek area, and a chin joint part which is arranged at the lower part of the soft sealing washer and is matched with the shape of a chin area.

4. The replaceable protective mask of claim 1, wherein: the mask support is provided with fixed contacts protruding outwards around, the replaceable filter chip is provided with fixed holes matching with the fixed contacts around, and the mask support and the replaceable filter chip are assembled and fixed together through the fixed contacts and the fixed holes.

5. The replaceable protective mask of claim 1, wherein: the soft caliper pieces are arranged on two sides of the containing space in a protruding mode, and the soft caliper pieces face one side of the mask main body in a deviation mode.

6. The replaceable protective mask according to any one of claims 1 to 5, wherein: the mask support is of a latticed elastic curved surface structure, and the end surface of the mask support protrudes upwards to form a supporting curved surface with two sides arched towards the middle.

7. The replaceable protective mask according to any one of claims 1 to 5, wherein: the left side and the right side of the mask main body are respectively provided with a hanging lug, and the hanging lugs comprise a hanging lug rope fixedly connected to the mask main body and an adjusting piece movably sleeved on the hanging lug rope.

8. The replaceable protective mask according to any one of claims 1 to 5, wherein: the replaceable filter chip comprises a non-woven fabric outer layer, a filter layer and a non-woven fabric inner layer which are sequentially overlapped from outside to inside, wherein the filter layer is one or a composition of more than two of melt-blown non-woven fabric, hot air filter cotton, spun-bonded non-woven fabric, needle-punched non-woven fabric or gauze.

9. The replaceable protective mask according to any one of claims 1 to 5, wherein: the mask main body and the soft sealing washer are made of silica gel materials.

10. The replaceable protective mask according to any one of claims 1 to 5, wherein: the mask support is made of PP materials.