Breathable non-woven fabric

Abstract

The utility model provides a breathable non-woven fabric which comprises a surface layer, a middle layer and a bottom layer which are sequentially arranged from top to bottom, a textile layer and a diffusion layer are sequentially arranged on the face, away from the middle layer, of the bottom layer, a plurality of air guide strips arranged at intervals are arranged in the textile layer, one side face of each air guide strip is attached to the bottom layer, and the other air guide strip penetrates through the diffusion layer. A first air hole, a second air hole and a third air hole are respectively formed in the same positions of the surface layer, the middle layer and the bottom layer, and the aperture of the second air hole is smaller than that of the first air hole and that of the third air hole. By means of the structure, under the cooperation of the first air holes, the second air holes and the third air holes, external air can sequentially pass through the surface layer, the middle layer and the bottom layer, and through the cooperation of the air guide strips and the diffusion layer, the air is guided to the diffusion layer through the air guide strips and is diffused through the diffusion layer; therefore, the air circulation range at the diffusion layer is increased, and the ventilation effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to non - woven fabric technical field especially, it relates to a breathable non - woven fabric. BACKGROUND

[0002] Non - woven fabric is extruded, drawn after polymer, long filament is laid into a net, and the web is changed into non - woven fabric through self - adhesive, thermal bonding, chemical bonding or mechanical reinforcement method again, non - woven fabric is widely used in medical treatment, household device, clothing, industry etc. However, since non - woven fabric is formed by short fiber and long filament non - directional arrangement, and the gap between each layer of non - woven fabric is relatively small, it is difficult for external gas to enter non - woven fabric or to be discharged outside non - woven fabric, leading to poor breathability. SUMMARY

[0003] The utility model discloses a breathable non - woven fabric mainly solves the problem that non - woven fabric is formed by short fiber and long filament non - directional arrangement, and the gap between each layer of non - woven fabric is relatively small, it is difficult for external gas to enter non - woven fabric or to be discharged outside non - woven fabric, leading to poor breathability.

[0004] To achieve the purpose, the technical scheme of the utility model is as follows:

[0005] The utility model provides a kind of breathable non - woven fabric, including by upper to lower sequentially arranged surface layer, intermediate layer and bottom layer, the one side of the bottom layer away from intermediate layer is sequentially provided with textile layer and diffusion layer, the textile layer is provided with multiple interval setting air guide strip, the side surface of air guide strip is attached with bottom layer, and the other layer passes through diffusion layer;

[0006] The surface layer, intermediate layer and bottom layer are provided with first air hole, second air hole and third air hole in the same position respectively, and the pore size of the second air hole is smaller than the pore size of the first air hole and the third air hole.

[0007] In an embodiment, the textile layer is interlaced by a plurality of mutually parallel warp yarns and a plurality of mutually parallel weft yarns, the warp yarns and the weft yarns are interlaced by first yarns and second yarns, and the first yarns and the second yarns have elasticity.

[0008] In an embodiment, the first yarns and the second yarns are interlaced to form the warp yarns and the weft yarns.

[0009] In an embodiment, the diffusion layer is provided with a plurality of diffusion strips corresponding to the positions of the air guide strips, and one end of each diffusion strip is connected to an air guide strip.

[0010] In an embodiment, the diffusion strips have an arc structure.

[0011] In one embodiment, the air guiding strips and the diffusion strips are woven from hemp fibers.

[0012] The advantages or beneficial effects of the above technical solutions at least include: when the air-permeable non-woven fabric is used, the air-permeable non-woven fabric comprises a top layer, a middle layer and a bottom layer arranged in sequence from top to bottom, a textile layer and a diffusion layer are arranged in sequence on the side of the bottom layer away from the middle layer, a plurality of air guiding strips are arranged in the textile layer, one side of the air guiding strips is attached to the bottom layer, and the other side penetrates through the diffusion layer; the first air-permeable hole, the second air-permeable hole and the third air-permeable hole are arranged at the same position on the top layer, the middle layer and the bottom layer, respectively, the aperture of the second air-permeable hole is smaller than the apertures of the first air-permeable hole and the third air-permeable hole, therefore, through the cooperation of the first air-permeable hole, the second air-permeable hole and the third air-permeable hole, the air outside can pass through the top layer, the middle layer and the bottom layer in sequence, under the action of the apertures, the air permeation effect can be ensured, and large-particle dust can be prevented from entering the first air-permeable hole, the second air-permeable hole and the third air-permeable hole, and the air guiding strips in the textile layer and the diffusion layer can guide the air to the diffusion layer through the air guiding strips and diffuse the air through the diffusion layer, so that the range of air circulation at the diffusion layer is increased, and the air permeation effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings illustrate exemplary embodiments of the present application and, together with the general description given above, explain the principles of the application. These drawings are provided to further provide further understanding of the present application and are incorporated in and constitute a part of this specification.

[0014] Figure 1 Fig. 1 shows a structure schematic diagram of an air-permeable non-woven fabric according to an exemplary embodiment of the present application;

[0015] Figure 2 Fig. 2 shows an exploded structure schematic diagram of an air-permeable non-woven fabric according to an exemplary embodiment of the present application;

[0016] Figure 3 Fig. 3 shows a cross-sectional structure schematic diagram of an air-permeable non-woven fabric according to an exemplary embodiment of the present application;

[0017] Figure 4 Fig. 4 shows a structure schematic diagram of a textile layer, a diffusion layer and an air guiding strip according to an exemplary embodiment of the present application;

[0018] Figure 5 Fig. 5 shows a structure schematic diagram of warp yarns and weft yarns according to an exemplary embodiment of the present application;

[0019] Figure 6 Fig. 6 shows a structure schematic diagram of first yarns and second yarns according to an exemplary embodiment of the present application.

[0020] Reference numerals:

[0021] 1. face layer;

[0022] 11. first air permeable hole;

[0023] 2. intermediate layer;

[0024] 21. second air permeable hole;

[0025] 3. bottom layer;

[0026] 31. third air permeable hole;

[0027] 4. textile layer;

[0028] 41. warp yarn; 42. weft yarn; 43. first yarn; 44. second yarn 44;

[0029] 5. diffusion layer;

[0030] 51. diffusion strip;

[0031] 6. air guiding strip. DETAILED DESCRIPTION

[0032] Embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although some embodiments of the present application are shown in the drawings, it is understood that the present application can be implemented in various forms and should not be interpreted as being limited to the embodiments set forth herein, but rather these embodiments are provided so as to more completely and thoroughly understand the present application. It is understood that the drawings and embodiments of the present application are for exemplary purposes only and are not intended to limit the scope of protection of the present application.

[0033] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0034] The term "comprising" and variations thereof as used herein are open-ended, that is "including but not limited to". The term "based on" is "at least partially based on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Related definitions of other terms will be given in the description below. It should be noted that the "first", "second", etc. concepts mentioned in the present application are only used to distinguish different devices, modules or units, and are not intended to limit the functions of these devices, modules or units or the order or interdependence of these functions.

[0035] It should be noted that the modification of "one" and "multiple" mentioned in the utility model is illustrative rather than restrictive, and those skilled in the art should understand that unless explicitly indicated otherwise in the context, it should be understood as "one or more".

[0036] The names of the messages or information exchanged between the plurality of devices in the utility model embodiment are only for illustrative purposes, and are not intended to limit the scope of these messages or information.

[0037] Referring to Figure 1 , Figure 2 and Figure 3 , the embodiment of the utility model provides a kind of air-permeable nonwoven fabric, including by upper to lower sequentially arranged with surface layer 1, intermediate layer 2 and bottom layer 3, the side of bottom layer 3 away from intermediate layer 2 is sequentially provided with textile layer 4 and diffusion layer 5, textile layer 4 is provided with multiple interval setting air guide strip 6, the side of air guide strip 6 and bottom layer 3 are attached, and the other layer passes through diffusion layer 5;

[0038] Surface layer 1, intermediate layer 2 and bottom layer 3 are provided with first air-permeable hole 11, second air-permeable hole 21 and third air-permeable hole 31 respectively at the same position, and the aperture of second air-permeable hole 21 is smaller than the aperture of first air-permeable hole 11 and third air-permeable hole 31.

[0039] With the above structure, when using air-permeable nonwoven fabric, since air-permeable nonwoven fabric includes by upper to lower sequentially arranged with surface layer 1, intermediate layer 2 and bottom layer 3, the side of bottom layer 3 away from intermediate layer 2 is sequentially provided with textile layer 4 and diffusion layer 5, textile layer 4 is provided with multiple interval setting air guide strip 6, the side of air guide strip 6 and bottom layer 3 are attached, and the other layer passes through diffusion layer 5;Surface layer 1, intermediate layer 2 and bottom layer 3 are provided with first air-permeable hole 11, second air-permeable hole 21 and third air-permeable hole 31 respectively at the same position, and the aperture of second air-permeable hole 21 is smaller than the aperture of first air-permeable hole 11 and third air-permeable hole 31, therefore, through the cooperation of first air-permeable hole 11, second air-permeable hole 21 and third air-permeable hole 31, the gas outside can pass through surface layer 1, intermediate layer 2 and bottom layer 3 in turn, under the action of its aperture size, the air permeation effect can be guaranteed, and large-particle dust can be prevented from entering first air-permeable hole 11, second air-permeable hole 21 and third air-permeable hole 31, and air can be guided to diffusion layer 5 through air guide strip 6 in textile layer 4 and diffusion layer 5, and air can be diffused by diffusion layer 5, so that the range of air circulation at diffusion layer 5 is increased, and the air permeation effect is improved.

[0040] In one embodiment, referring to Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6The textile layer 4 is interlaced by a plurality of parallel warp yarns 41 and a plurality of parallel weft yarns 42, the warp yarns 41 and the weft yarns 42 are interlaced by first yarns 43 and second yarns 44, and the first yarns 43 and the second yarns 44 are elastic. In actual application, the textile layer 4 is interlaced by the warp yarns 41 and the weft yarns 42, wherein the warp yarns 41 and the weft yarns 42 are interlaced by the first yarns 43 and the second yarns 44, so that the textile layer 4 has a certain elasticity, thereby ensuring that the textile layer 4 is more easily stretched and contracted, and thereby protecting the air guide strip 6.

[0041] The first yarns 43 and the second yarns 44 are interlaced to form the warp yarns 41 and the weft yarns 42. In actual application, the first yarns 43 and the second yarns 44 are interlaced to improve the ductility of the warp yarns 41 and the weft yarns 42.

[0042] In one embodiment, referring to Figure 2 、 Figure 3 and Figure 4 , the diffusion layer 5 is provided with a plurality of diffusion strips 51 corresponding to the positions of the air guide strip 6, and one end of the diffusion strip 51 is connected with the air guide strip 6. The diffusion strip 51 has an arc structure. The air guide strip 6 and the diffusion strip 51 are interlaced by hemp fibers. The air guide strip 6 and the diffusion strip 51 are interlaced by hemp fiber materials, so as to ensure the air permeability of the air guide strip 6 and the diffusion strip 51. In actual application, the diffusion strip 51 of the diffusion layer 5 can diffuse the air at the air guide strip 6, thereby increasing the range of air circulation.

[0043] In the description of the present application, it should be pointed out that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0044] Those skilled in the art should understand that the above embodiments are only for clearly illustrating the present application, and are not intended to limit the scope of the present application. For those skilled in the art, other changes or modifications can be made on the basis of the above application, and these changes or modifications are still within the scope of the present application.

Claims

1. A breathable nonwoven fabric, characterized by, The air conditioner curtain comprises a face layer, an intermediate layer and a bottom layer arranged in sequence from top to bottom, one side of the bottom layer away from the intermediate layer is sequentially provided with a textile layer and a diffusion layer, a plurality of air guide strips are arranged in the textile layer, one side of the air guide strip is attached to the bottom layer, and the other side of the air guide strip penetrates through the diffusion layer. First air permeable holes, second air permeable holes and third air permeable holes are arranged at the same position on the face layer, the intermediate layer and the bottom layer respectively, and the aperture of the second air permeable holes is smaller than the apertures of the first air permeable holes and the third air permeable holes.

2. The breathable nonwoven fabric according to claim 1, wherein The textile layer is interlaced by a plurality of mutually parallel warp yarns and a plurality of mutually parallel weft yarns, the warp yarns and the weft yarns are interlaced by first yarns and second yarns, and the first yarns and the second yarns have elasticity.

3. The breathable nonwoven fabric according to claim 2, wherein The first yarns and the second yarns are interlaced to form the warp yarns and the weft yarns.

4. The breathable nonwoven fabric according to claim 1, wherein A plurality of diffusion strips are arranged at positions corresponding to the air guide strips on the diffusion layer, and one end of the diffusion strip is connected to the air guide strip.

5. The breathable nonwoven fabric according to claim 4, wherein The diffusion strip is in an arc structure.

6. The breathable nonwoven fabric according to claim 4, wherein The air guide strip and the diffusion strip are interlaced by hemp fibers.

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