Breathable waterproof fabric

Abstract

The breathable waterproof fabric comprises a waterproof layer, a breathable layer and a water absorption layer, the breathable layer is located between the waterproof layer and the water absorption layer, the waterproof layer is provided with a plurality of reinforcing ribs distributed at intervals in the width direction of the waterproof layer, the waterproof layer is further provided with overflow holes, and the overflow holes are located between the two sets of reinforcing ribs. When located on the waterproof layer and the reinforcing ribs, liquid can flow in the direction of the reinforcing ribs, and when located between the two sets of reinforcing ribs, the liquid can move under the guide of the reinforcing ribs, so that the liquid is discharged from the fabric, and the liquid can be adsorbed by the water-absorbing particles when permeating into the water-absorbing layer from the waterproof layer. Meanwhile, the breathable holes in the breathable layer are communicated with the overflow holes in the waterproof layer, so that the breathable effect of the fabric is guaranteed, and the problems that an existing fabric is single in function, has limitation and cannot meet the application requirement of a user are solved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of fabrics, in particular to a breathable waterproof fabric. BACKGROUND

[0002] Fabrics are a general term for various fabrics used for making clothes, home textiles, industrial fabrics and other products, which are woven or knitted from yarns, and clothes made of different fabrics have different characteristics. However, the existing fabrics have single functions and cannot have both breathability and waterproofness, and the single-function fabrics limit their use scenarios. The breathable fabrics without waterproofness are not suitable for outdoor activities, and the waterproof fabrics without breathability may cause inconvenience in the case of long-time wearing, so as to fail to meet the application requirements of users. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at solving the above-mentioned problems and provides a breathable waterproof fabric.

[0004] The technical scheme of the application is implemented as follows:

[0005] The application provides a breathable waterproof fabric, which comprises a waterproof layer, a breathable layer and a water absorption layer, the breathable layer is located between the waterproof layer and the water absorption layer, the waterproof layer is provided with reinforcing ribs, the reinforcing ribs are arranged in a plurality of groups and are distributed along the width direction of the waterproof layer, the waterproof layer is also provided with overflow holes, the overflow holes are located between the two groups of reinforcing ribs, and the overflow holes are arranged in a plurality of groups and are distributed along the length direction of the waterproof layer.

[0006] The breathable layer is uniformly provided with breathable holes, when the breathable layer is attached to the waterproof layer, the overflow holes and the breathable holes are staggered with each other, and the aperture of the breathable hole gradually increases from one end to the other end of the waterproof layer.

[0007] The water absorption layer is communicated with the waterproof layer through the cooperation of the breathable holes, the water absorption layer is formed with a storage gap, and the storage gap is filled with water absorption particles.

[0008] In an embodiment, the side, away from the breathable layer, of the waterproof layer is provided with a film layer, and the film layer is uniformly provided with breathable micropores.

[0009] The breathable micropores are communicated with the overflow holes.

[0010] In an embodiment, the storage gap is arranged in a plurality of groups, and the plurality of groups of storage gaps are distributed along the width direction of the water absorption layer.

[0011] In an embodiment, the bottom of the water absorption layer is provided with a skin-friendly layer, and the water absorption layer is located between the skin-friendly layer and the breathable layer.

[0012] In an embodiment, the reinforcing rib is provided with an arc-shaped end, which is located at one end of the reinforcing rib away from the waterproof layer.

[0013] In an embodiment, the air-permeable layer is formed by interlacing polyester fibers.

[0014] In an embodiment, the skin-friendly layer is formed by interlacing flax fibers and pure cotton fibers.

[0015] In an embodiment, the water-absorbing particles are made of sodium polyacrylate.

[0016] The advantages or beneficial effects of the above technical solutions at least include:

[0017] The air-permeable waterproof fabric of the present application is provided with an air-permeable layer between the waterproof layer and the water-absorbing layer. When liquid is attached to the waterproof layer, the liquid is guided by the reinforcing ribs, and part of the liquid can move along the direction of the reinforcing ribs under the action of gravity before falling between the two groups of reinforcing ribs, so as to be discharged. When the liquid penetrates into the water-absorbing layer, it is adsorbed by the water-absorbing particles in the water-absorbing layer, thereby realizing the waterproof effect of the fabric. The overflow holes provided on the waterproof layer can be in communication with the air-permeable holes on the air-permeable layer, so that the water-absorbing layer can realize the circulation of gas under the cooperation of the air-permeable holes and the overflow holes, thereby realizing the air-permeable effect of the fabric. The problem of single function of the existing fabric, which cannot meet the different application requirements of the user, is solved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings illustrate exemplary embodiments of the present application and together with the general description given above, serve to explain the principles of the present application. These drawings are included herewith and constitute a part of the specification.

[0019] Figure 1 An exploded structural schematic view of the air-permeable waterproof fabric of the embodiment of the present application is shown;

[0020] Figure 2 An internal structural schematic view of the air-permeable waterproof fabric of the embodiment of the present application is shown;

[0021] Figure 3 A structural schematic view of the waterproof layer of the embodiment of the present application is shown;

[0022] Figure 4 An enlarged schematic view of position A in the embodiment of the present application is shown; Figure 2

[0023] Reference signs: 1, waterproof layer; 11, reinforcing rib; 111, arc-shaped end; 12, overflow hole;

[0024] 2, air-permeable layer; 21, air-permeable hole; ​

[0025] 3. Water absorbing layer; 31. Storage gap; 32. Water absorbing particles;

[0026] 4. Film layer; 41. Air permeable micropore;

[0027] 5. Skin-friendly layer. DETAILED DESCRIPTION

[0028] Embodiments of the present application will be described in more detail with reference to the drawings. Although certain embodiments of the present application will be shown in the drawings, it should be understood that the present application can be embodied in various forms and should not be construed as being limited to the embodiments set forth herein, but rather should be construed to encompass all modifications falling within the scope of the present application. It should be understood that the drawings and embodiments of the present application are only for illustrative purposes and should not be construed as limiting the scope of protection of the present application.

[0029] It should be noted that the embodiments and features of the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0030] It should be understood that the term "comprising" and variations of the term "comprising" used in the present application are open-ended, i.e., "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 concepts of "first", "second", etc. mentioned in the present application are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0031] It should be noted that the modification of "one", "several" mentioned in the present application is illustrative and not restrictive, and those skilled in the art should understand that unless otherwise explicitly indicated in the context, it should be understood as "one or more".

[0032] The names of the messages or information exchanged between the plurality of devices in the embodiments of the present application are only for illustrative purposes, and are not used to limit the scope of the messages or information.

[0033] Reference Figures 1-4The utility model provides a kind of breathable waterproof fabric, including waterproof layer 1, breathable layer 2 and water absorption layer 3, breathable layer 2 is located between waterproof layer 1 and water absorption layer 3, and waterproof layer 1, breathable layer 2 and water absorption layer 3 are connected using heat bonding, waterproof layer 1 has reinforcing rib 11, reinforcing rib 11 is provided with several and is spaced along the width direction of waterproof layer 1, and waterproof layer 1 also has overflow hole 12, overflow hole 12 is used to play the effect of circulating with external air, overflow hole 12 is located between two groups of reinforcing rib 11, overflow hole 12 is provided with several and is spaced along the length direction of waterproof layer 1, and waterproof layer 1 is located on the side of fabric and external contact, breathable layer 2 is formed by polyester fiber interlaced weaving, and polyester fiber is a very strong synthetic fiber, with high tensile strength and wear resistance, so that fabric is more durable in use process, not easy to damage, can support waterproof layer 1 and water absorption layer 3;

[0034] Breathable layer 2 is uniformly distributed with breathable hole 21, when breathable layer 2 is attached with waterproof layer 1, overflow hole 12 and breathable hole 21 are staggered with each other, the aperture of breathable hole 21 gradually increases from one end towards waterproof layer 1 to the other end, the cross section of breathable hole 21 is provided in trapezoidal structure, the diameter of one end of breathable hole 21 towards waterproof layer 1 can further improve the waterproof effect of fabric, so that liquid water bead is not easy to enter breathable layer from breathable hole 21, and the diameter of one end towards breathable layer 2 can improve the range of gas exchange, and the staggered mode can make that liquid on waterproof layer 1 does not directly flow into the position of breathable hole 21 through overflow hole 12, and does not affect the flow of gas between each other;

[0035] Through the cooperation of breathable hole 21, water absorption layer 3 is communicated with waterproof layer 1, storage gap 31 is formed in water absorption layer 3, the storage gap 31 is provided with several, and the several storage gaps 31 are spaced along the width direction of water absorption layer 3, and water absorption layer 31 is filled with water absorption particles 32, and the water absorption particles 32 are made of sodium polyacrylate, sodium polyacrylate has very high water absorption capacity, can absorb several hundreds of times or even thousands of times of water of its weight, so that the moisture absorption performance of fabric can be significantly improved.

[0036] Based on the above structure, when the liquid is attached to the waterproof layer 1, due to the plurality of reinforcing ribs 11 arranged at intervals on the waterproof layer 1, the liquid can move along the direction of the reinforcing ribs 11, thereby guiding the liquid to be discharged, and the overflow hole 12 is arranged in the size of a micropore, so that when the liquid is located between the two groups of reinforcing ribs 11 at the overflow hole 12, the liquid can be reduced from the overflow hole 12. Penetration occurs, and when the liquid penetrates through the waterproof layer 1 to the water-absorbing layer 3 and moves towards the water-absorbing layer 3, the liquid contacts the water-absorbing particles 32 in the water-absorbing layer 3, and part of the liquid can be absorbed by the water-absorbing particles 32, thereby avoiding the liquid from penetrating through the water-absorbing layer 3 to the side in contact with the skin. At the same time, the air-permeable hole 21 on the air-permeable layer 2 is in communication with the overflow hole 12 on the waterproof layer 1, so that the gas exchange in the fabric can be realized, thereby making the fabric have the function of air permeability, and further improving the waterproof effect of the fabric. The problem of single function of the existing fabric can only be applied to a specific occasion.

[0037] In one embodiment, referring to Figure 1 and Figure 2 , the waterproof layer 1 is provided with a film layer 4 away from the air-permeable layer 2, the film layer 4 has uniformly distributed air-permeable micropores 41, the air-permeable micropores 41 are in communication with the overflow hole 12, the film layer 4 is made of expanded polytetrafluoroethylene, which is a kind of porous PTFE material treated specially, has extremely small air-permeable micropores 41, the pore size of these air-permeable micropores 41 is smaller than the size of water droplets, but larger than that of gas molecules, and is in communication with the overflow hole 12 through the air-permeable micropores 41, so that the double effect of waterproof and air permeability can be realized.

[0038] In one embodiment, referring to Figure 1 , Figure 2 and Figure 4 , the bottom of the water-absorbing layer 3 is provided with a skin-friendly layer 5, the water-absorbing layer 3 is located between the skin-friendly layer 5 and the air-permeable layer 2, the skin-friendly layer 5 is at the end of the fabric in contact with the skin, the skin-friendly layer 5 is woven by mixing flax fibers and pure cotton fibers, both flax fibers and cotton fibers have good moisture absorption, and mixed weaving can enhance the moisture absorption and sweat releasing capacity of the fabric, keep the skin dry, and both fibers are natural materials, which are mild to the skin. The fabric woven by mixing has soft touch and comfortable wearing.

[0039] In one embodiment, referring to Figure 1 , Figure 3 and Figure 4The arc-shaped end 111 is arranged on the reinforcing rib 11 and is located at one end of the reinforcing rib 11 away from the waterproof layer 1. The arrangement of the arc-shaped end 111 can further optimize the liquid adhesion on the waterproof layer 1, so that the liquid can flow along the end surface of the reinforcing rib 11 to the two groups of reinforcing ribs 11, and the liquid can be quickly discharged through the guide.

[0040] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0041] 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. Based on the above disclosure, other changes or modifications can also be made by those skilled in the art, and these changes or modifications are still within the scope of the present application.

Claims

1. A breathable, waterproof fabric, characterized in that: The waterproof layer, the air-permeable layer and the water-absorbing layer are included, the air-permeable layer is located between the waterproof layer and the water-absorbing layer, the waterproof layer is provided with reinforcing ribs, the reinforcing ribs are distributed along the width direction of the waterproof layer, the waterproof layer is provided with overflow holes, the overflow holes are located between two groups of reinforcing ribs, and the overflow holes are distributed along the length direction of the waterproof layer. The air-permeable layer is uniformly provided with air-permeable holes, the overflow holes and the air-permeable holes are staggered when the air-permeable layer is attached to the waterproof layer, and the diameter of the air-permeable holes gradually increases from one end to the other end of the waterproof layer. The water-absorbing layer is communicated with the waterproof layer through the air-permeable holes, the water-absorbing layer is provided with storage gaps, and the storage gaps are filled with water-absorbing particles.

2. The breathable, waterproof fabric of claim 1, wherein: The waterproof layer is provided with a film layer away from the air-permeable layer, and the film layer is uniformly provided with air-permeable micropores. The air-permeable micropores are communicated with the overflow holes.

3. The breathable, waterproof fabric of claim 1, wherein: The storage gaps are distributed along the width direction of the water-absorbing layer.

4. The breathable, waterproof fabric of claim 1, wherein: The bottom of the water-absorbing layer is provided with a skin-friendly layer, and the water-absorbing layer is located between the skin-friendly layer and the air-permeable layer.

5. The breathable, waterproof fabric of claim 1, wherein: The reinforcing ribs are provided with arc-shaped ends, and the arc-shaped ends are located at the ends of the reinforcing ribs away from the waterproof layer.

6. The breathable, waterproof fabric of claim 1, wherein: The air-permeable layer is formed by interlaced weaving of polyester fibers.

7. The breathable, waterproof fabric of claim 4, wherein: The skin-friendly layer is formed by interlaced weaving of flax fibers and pure cotton fibers.

8. The breathable, waterproof fabric of claim 1, wherein: The water-absorbing particles are made of sodium polyacrylate.

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