TWM651402U - Three-dimensional mask - Google Patents

Abstract

A three-dimensional mask is suitable for covering the nose and mouth of a user, and includes a grid unit and a filter unit. The mesh frame unit includes a mesh cover portion that arches forward and has a plurality of mesh holes, and a cover edge portion that protrudes laterally outward from the periphery of the mesh cover portion. The filter material unit is arranged on the front side of the grid unit and includes a filter cover part covering the screen cover part, and a filter edge part protruding outward from the periphery of the filter cover part and combined with the cover edge part. The three-dimensional mask combines the mesh frame unit with the rear side of the filter unit to arch forward to support the filter cover part, thereby reducing the contact area with the user's facial skin and improving wearing comfort. .

Description

Three-dimensional mask

The present invention relates to a mask, in particular to a three-dimensional mask suitable for covering the nose and mouth.

A mask is a type of medical protective equipment that covers the nose and mouth. It is used to prevent environmental pollutants or pathogens from entering the human body through breathing or droplets. It is also used to prevent pathogens from being spread to the environment through the patient's breath or droplets. . However, since the existing masks are usually close to the face, wearing them for a long time will not only cause breathing difficulties and stuffy feeling, but also cause the hair follicles of the facial skin to become clogged and inflamed, leading to redness, eczema, Symptoms such as acne, breakouts, and mask acne will reduce users’ willingness to wear them. In addition, if the mask is folded, it is easy to deform, and when it is taken out for use, it is easy to be uncomfortable to wear or not tight, so the existing design of the mask still needs to be improved.

Therefore, the purpose of the present invention is to provide a three-dimensional mask that can at least overcome the shortcomings of the prior art.

Therefore, the new three-dimensional mask is suitable for covering the nose and mouth of a user, and includes a grid unit and a filter unit. The mesh frame unit includes a mesh cover portion that arches forward and has a plurality of mesh holes, and a cover edge portion that protrudes laterally outward from the periphery of the mesh cover portion. The filter material unit is arranged on the front side of the grid unit and includes a filter cover part covering the front side of the screen cover part, and a filter edge part protruding outward from the periphery of the filter cover part and combined with the front side of the cover edge part.

The function of the new model is that the three-dimensional mask combines the grid unit with the rear side of the filter unit, causing the filter cover to arch forward and support away from the user's face, thus reducing the contact area with the facial skin. , improves wearing comfort and does not deform when stored.

Before the present invention is described in detail, it should be noted that similar elements are represented by the same numbers in the following description.

Referring to Figures 1 to 4, a first embodiment of the new three-dimensional mask is suitable for covering the nose 91 and mouth 92 of a user 9 to filter the gas in and out of the nose 91 and mouth 92 . The front side mentioned in the following description refers to the side away from the user 9 when worn, and the rear side refers to the side adjacent to the user 9 when worn.

The three-dimensional mask includes a grid unit 1, a filter unit 2, an air valve unit 3, a cushion unit 4, and a wearing unit 5.

The mesh frame unit 1 includes a mesh cover portion 11 that arches forward and has a plurality of mesh holes 111, a cover edge portion 12 that protrudes laterally outward from the periphery of the grille portion 11, and two respective edges of the cover edge portion 12. The side wing portions 13 protrude outward on the left and right sides. The grid unit 1 is made of elastic and foldable material, such as but not limited to silicone, latex, rubber, polyethylene (PE), polypropylene (PP) or random copolymerized polypropylene (PPR). The elasticity expands into a three-dimensional shape when in use and can be folded when not in use.

The filter unit 2 is arranged on the front side of the grid unit 1 and includes a filter cover part 21 covering the front side of the screen cover part 11, a filter cover part 21 protruding outward from the periphery and combined with the front side of the cover edge part 12. The filter edge portion 22 and two lug portions 23 respectively protrude outward from the left and right sides of the filter edge portion 22 and overlap with the front sides of the side wing portions 13 respectively. The filter cover 21 has a pair of air holes 211 located near the nose 91 and mouth 92 of the user 9 . The filter unit 2 is composed of several internally and externally stacked membrane layers, such as but not limited to a waterproof layer, a filter layer, an antibacterial layer, a water-absorbent layer, a skin-friendly layer, etc., and can be used to filter and block droplets in the air. Foreign matter such as dust, dust particles, viruses and germs... can achieve a high-efficiency filtration effect of isolating droplet dust, filtering bacteria and blocking viruses to ensure hygiene and safety and improve the protective effect.

The air valve unit 3 is disposed on the front side of the filter unit 2 and covers the air hole 211 . The periphery of the air valve unit 3 is fixedly combined with the filter cover part 21 and the mesh cover part 11, and can be manufactured by hot pressure welding (internal heating or/and external heating welding), ultrasonic welding or high frequency welding. , of course, other welding methods are also possible, which will not be explained here. The air valve unit 3 is a one-way breathable valve that only allows gas to flow out in one direction from back to front, so that the exhaust gas exhaled by the user 9 or the hot air emitted from the face can be discharged through the air valve unit 3 without causing any second degree of air leakage. There is no concern about inhaling exhaust fumes, and there is no stuffy feeling. Since the structure of the valve unit 3 is common in the prior art, it will not be described in detail here. The scope of implementation is not limited to the presence or absence of the valve unit 3 .

The cushion unit 4 is arranged on the rear side of the grid unit 1 and includes a pad edge portion 41 combined with the cover edge portion 12, a pad edge portion 41 protruding laterally inward and connected with the grid cover portion. 11 spaced apart flange portions 42, and two pad ear portions 43 respectively protruding outward from the left and right sides of the pad edge portion 41 and respectively combined with the side wing portions 13. The cushion unit 4 is made of soft material, such as but not limited to silicone, latex, foam material or rubber. It can be attached to the face of the user 9 when worn, which can increase the wearing comfort and It can improve the close protection effect. The scope of implementation is not limited to the presence or absence of the cushion unit 4.

In manufacturing, the pad edge portion 41 is fixedly combined with the cover edge portion 12 and the filter edge portion 22 , and each pad ear portion 43 is fixedly combined with the corresponding side wing portion 13 and the lug portion 23 , in manufacturing, hot pressure welding (internal heating or/and external heating welding), ultrasonic welding or high frequency welding can be used. Of course, other combination methods are also possible, which will not be described here. Then, in the first embodiment, each of the combined lug portions 23 , each of the side wing portions 13 and each of the pad ear portions 43 is rolled forward and inward, and the lug portions 23 are Combined with the filter cover part 21, a through hole 6 connected up and down is jointly defined.

The wearing unit 5 is provided on the lugs 23 and is suitable for being worn on the head of the user 9 . The wearing unit 5 of the first embodiment includes an elastic band 51 extending through the through holes 6 . The elastic band 51 has two hanging portions 511 corresponding up and down and spanning between the through holes 6 . When wearing, the hanging parts 511 can be pulled back and placed up and down on the back of the user's head 9 accordingly. Of course, the structure, quantity or wearing position of the wearing units 5 can also be changed in practice. For example, in other embodiments, the lug portions 23 , the side wing portions 13 and the ear pad portions 43 may not be bent, and the wearing unit 5 includes two lug portions respectively coupled to the lug portions 43 . 23 and is used to wear the elastic band 51 on both ears of the user 9, or the wearing unit 5 includes four buckles (not shown) corresponding to the lug portions 23, and two left and right The elastic band 51 correspondingly connected to the buckles and used to be worn on both ears of the user 9 will not be described again here.

Referring to Figure 5 , the structure of the second embodiment of the new three-dimensional mask is roughly the same as that of the first embodiment. The difference is that the three-dimensional mask of the second embodiment also includes a three-dimensional mask arranged on the rear side of the grid unit 1. And the rear filter unit 7 is located on the front side of the cushion unit 4. The structure of the rear filter unit 7 is roughly the same as that of the filter material unit 2, and has a filter cover part 71 covering the rear side of the mesh cover part 11, and a filter cover part 71. The circumference of the filter cover portion 71 protrudes outward and is combined with the filter edge portion 72 on the rear side of the cover edge portion 12 , and two protrudes outward from the left and right sides of the filter edge portion 72 and is connected to the rear sides of the side wing portions 13 respectively. The lug parts 73 are overlapped and combined. The number of membrane layers and materials of each layer of the post-filtration unit 7 can be the same as or different from the filter material unit 2 .

To sum up, the new three-dimensional mask of the present invention can reduce the amount of contact with the user 9's face by combining the grid unit 1 with the rear side of the filter unit 2 to arch forward and support the filter cover part 21. It can expand the space between the face and the face to achieve a breathable effect and reduce respiratory impedance. Therefore, wearing it for a long time will not cause breathing difficulties or cause skin problems, and it can indeed improve the wear quality. It is comfortable to wear, so it can indeed achieve the purpose of this new model. In addition, the three-dimensional mask is not easily deformed due to the elasticity of the mesh frame unit 1. Even after being folded in a pocket, it can immediately return to its three-dimensional shape when it is taken out for use again without affecting the wearing comfort.

However, the above are only examples of the present invention, and should not be used to limit the scope of the present invention. All simple equivalent changes and modifications made based on the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by this new patent.

1: Grid unit 11: Grille part 111: Mesh 12: Cover edge part 13:Flanking part 2:Filter unit 21: Filter cover part 211:Stomata 22: Filter edge part 23:Lug part 3:Air valve unit 4:Cushion unit 41: Pad edge part 42: Suspended edge part 43: Ear pads 5: Wearing unit 51: Elastic band 511: hanging department 6:Through hole 7: Post-filter unit 71: Filter cover part 72: Filter edge part 73:Lug part 9:User 91: nose 92: Mouth

Other features and functions of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a perspective view of a first embodiment of the new three-dimensional mask; Figure 2 is an exploded perspective view of the first embodiment; Figure 3 is a longitudinal cross-sectional side view of the first embodiment; Figure 4 is a transverse cross-sectional top view of the first embodiment; and Figure 5 is an exploded perspective view of a second embodiment of the new three-dimensional mask.

1: Grid unit

11: Grille part

111: Mesh

12: Cover edge part

13:Flanking part

2:Filter unit

21: Filter cover part

211:Stomata

22: Filter edge part

23:Lug part

3:Air valve unit

4:Cushion unit

41: Pad edge part

42: Suspended edge part

43: Ear pads

Claims (9)

A three-dimensional mask, suitable for covering the nose and mouth of a user, and includes: a mesh frame unit, including a mesh cover part made of soft plastic material and having several mesh holes; and a filter material unit , covering the grille part. The three-dimensional mask according to claim 1, wherein the grid unit arches forward and also includes a cover edge portion protruding laterally outward from the periphery of the grid cover portion, and the filter material unit includes a cover on the front side of the grid cover portion. The filter cover part has a filter cover part, and a filter edge part protrudes outward from the periphery of the filter cover part and is combined with the front side of the cover edge part. The three-dimensional mask according to claim 2, wherein the filter cover part of the filter material unit has an air hole, and the three-dimensional mask further includes an air valve unit disposed on the front side of the filter material unit and covering the air hole, and the air valve unit is A one-way breathable valve for one-way gas flow from back to front. The three-dimensional mask according to claim 3, wherein the periphery of the air valve unit is fixedly combined with the filter cover part and the mesh cover part. The three-dimensional mask as claimed in claim 2, 3 or 4, wherein the three-dimensional mask further includes a cushion unit arranged on the rear side of the grid unit, and the cushion unit includes a pad edge combined with the edge of the cover. part, and a hanging edge part protruding laterally inward from the pad edge part and spaced apart from the grille part. The three-dimensional mask according to claim 5, wherein the pad edge part is fixedly combined with the cover edge part and the filter edge part. The three-dimensional mask according to claim 5, wherein the material of the cushion unit is silicone, latex, foam material or rubber. The three-dimensional mask according to claim 1, wherein the grid unit is made of soft plastic material such as silicone, latex, rubber, polyethylene, polypropylene or random copolymerized polypropylene. The three-dimensional mask according to claim 2, wherein the three-dimensional mask also includes a rear filter unit arranged on the rear side of the mesh frame unit, and the rear filter unit has a filter cover part covering the rear side of the mesh cover part, and a filter edge portion protruding outward from the periphery of the filter cover portion and coupled to the rear side of the cover edge portion.

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