CN114103277B - Negative poisson ratio mesh cloth with protective knee structure - Google Patents

Negative poisson ratio mesh cloth with protective knee structure Download PDF

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Publication number
CN114103277B
CN114103277B CN202111136818.2A CN202111136818A CN114103277B CN 114103277 B CN114103277 B CN 114103277B CN 202111136818 A CN202111136818 A CN 202111136818A CN 114103277 B CN114103277 B CN 114103277B
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layer
sweat
elastic
tensile
absorbing
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CN114103277A (en
Inventor
苏成喻
柯文新
邓魏永
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FUJIAN JINJIANG HUAYU WEAVING CO LTD
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FUJIAN JINJIANG HUAYU WEAVING CO LTD
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/02—Layered materials
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/12—Hygroscopic; Water retaining
    • A41D31/125—Moisture handling or wicking function through layered materials
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/14—Air permeable, i.e. capable of being penetrated by gases
    • A41D31/145—Air permeable, i.e. capable of being penetrated by gases using layered materials
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/18—Elastic
    • A41D31/185—Elastic using layered materials
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/24—Resistant to mechanical stress, e.g. pierce-proof
    • A41D31/245—Resistant to mechanical stress, e.g. pierce-proof using layered materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/022—Mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/51—Elastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

The invention discloses a negative poisson ratio mesh cloth with a protective knee structure, which comprises a mesh cloth body, wherein a contact layer is arranged on the inner side of the mesh cloth body, a sweat-absorbing layer, a first elastic layer, a tensile inner layer, a second elastic layer, a breathable layer and a wear-resistant layer are sequentially arranged on the outer side of the contact layer from inside to outside, a first through hole is formed in the contact layer, sweat-absorbing holes are formed in the sweat-absorbing layer, a tensile structure with a negative poisson ratio function is arranged among the first elastic layer, the tensile inner layer and the second elastic layer, a second through hole is formed among the first elastic layer, the tensile inner layer and the second elastic layer, and ventilation holes are formed in the breathable layer and the wear-resistant layer; the beneficial effects are that: according to the invention, the tensile assembly is additionally arranged on the mesh body, so that when the knee is stretched and contacted with hard materials such as a floor, the knee is thickened due to stretching, the effect of protecting the knee is achieved, and meanwhile, the tensile assembly ensures that the mesh body has good tear resistance, so that the service life of the mesh is prolonged.

Description

Negative poisson ratio mesh cloth with protective knee structure
Technical Field
The invention relates to the technical field of mesh fabrics, in particular to a negative poisson ratio mesh fabric with a protective knee structure.
Background
In modern sports, the knee is not only an extremely important part in sports, but also a fragile and easy-to-injure part, the knee pad mesh cloth is an article for protecting the knees of people, has the functions of sports protection, cold protection, warmth retention and joint maintenance, is divided into sports knee pads and health care knee pads, and is suitable for athletes, middle-aged and elderly people and knee disease patients.
Poisson's ratio refers to the ratio of the absolute value of the positive transverse strain to the positive axial strain of a material under unidirectional tension or compression, also known as the transverse deformation coefficient, which is the elastic constant that reflects the transverse deformation of a material. The negative poisson's ratio effect refers to the phenomenon that a material expands laterally within an elastic range when stretched, and contracts laterally within the elastic range when compressed. Compared with the traditional positive poisson ratio material, the negative poisson ratio material has unique properties different from those of common materials, has incomparable advantages in many aspects, and particularly has greatly improved physical and mechanical properties, such as improved shear modulus, notch resistance and fracture resistance and rebound toughness.
The traditional mesh cloth has no performance of negative poisson ratio, is easy to tear due to pulling in the use process, shortens the service life of the mesh cloth, smoothes skin after a large amount of sweat is generated in the movement, and has poor use comfort, so the invention provides the mesh cloth with the negative poisson ratio with the protective knee structure, which is used for solving the problems.
Disclosure of Invention
The present invention is directed to a negative poisson's ratio mesh with a knee-protecting structure to solve the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a burden poisson ratio screen cloth with protection knee structure, includes the screen cloth body, the inboard of screen cloth body is provided with the contact layer, the outside of contact layer has set gradually sweat-absorbing layer, first elastic layer, tensile inlayer, second elastic layer, ventilative layer and wearing layer from interior to exterior, first through-hole has been seted up on the contact layer, sweat-absorbing hole has been seted up on the sweat-absorbing layer, set up the tensile structure with burden poisson ratio function between first elastic layer, tensile inlayer and the second elastic layer, all be provided with the second through-hole between first elastic layer, tensile inlayer and the second elastic layer, be provided with the bleeder vent on ventilative layer and the wearing layer.
Preferably, a plurality of first through holes are formed, and the plurality of first through holes are distributed in a 'field' -shaped arrangement along the contact layer.
Preferably, the sweat absorbing holes are communicated with the first through holes, the cross section of the sweat absorbing holes is of an isosceles trapezoid hole-shaped structure, and the sweat absorbing layer is of a dehydrated gel carbon fiber composite membrane layer structure.
Preferably, the tensile structure comprises braided ropes, each two braided ropes are of a wave layer structure, flexible rods are sleeved on the outer sides of the braided ropes, and constraint rings are sleeved on the connecting positions between every two flexible rods.
Preferably, each two opposite sides of the flexible rods are provided with a first elastic ball, each two opposite sides of the joint between the flexible rods are provided with a second elastic ball, and the first elastic balls and the second elastic balls are provided with accommodating grooves.
Preferably, the support rods are inserted between the first elastic ball and the second elastic ball, the limit blocks are arranged at the two ends of the support rods, the limit blocks are of a semicircular spherical rubber layer structure, and the limit blocks are located in the accommodating grooves.
Preferably, the first elastic layer, the tensile inner layer and the second elastic layer are all connected through viscose, two ends of the second through hole are respectively communicated with the ventilation holes and the sweat absorbing holes, and the cross sections of the ventilation holes are of horn-shaped through hole structures with large inner parts and small outer parts.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the tensile assembly is additionally arranged on the mesh body, so that when the knees are stretched and touch hard materials such as floors, the effect of protecting the knees is achieved, meanwhile, the tensile assembly ensures that the mesh body has good tear resistance, so that the service life of the mesh is prolonged, the mesh has good sweat-absorbing and ventilation effects after a large amount of sweat is generated in movement, and the use comfort of the mesh is greatly improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a tensile structure according to the present invention;
fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present invention.
In the figure: a mesh body 1; a contact layer 2; a first through hole 21; a sweat-absorbent layer 3; sweat absorbing holes 31; a first elastic layer 4; a tensile inner layer 5; a second through hole 51; a second elastic layer 6; a ventilation layer 7; an air vent 71; a wear layer 8; a braided rope 91; a flexible rod 92; a confinement ring 93; a first elastic ball 94; a second elastic ball 95; a receiving groove 96; a support rod 97; and a stopper 98.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a burden poisson ratio screen cloth with protection knee structure, including screen cloth body 1, the inboard of screen cloth body 1 is provided with contact layer 2, contact layer 2's outside has set gradually sweat-absorbing layer 3 from inside to outside, first elastic layer 4, tensile inlayer 5, second elastic layer 6, ventilative layer 7 and wearing layer 8, wearing layer 8 guarantees the wearability of screen cloth body 1 when the protruding piece of contact, prevent wearing layer 8 to receive the effect that destroys and influence other layers, first through-hole 21 has been seted up on the contact layer 2, first through-hole 21 is provided with a plurality ofly, a plurality of first through-holes 21 are arranged and distribute along contact layer 2 to be "field" style of calligraphy, sweat-absorbing hole 31 has been seted up on sweat-absorbing layer 3, communicate between sweat-absorbing hole 31 and the first through-hole 21, and the cross-section is isosceles trapezoid hole form structure, sweat-absorbing layer 3 is the dehydration gel carbon fiber composite membrane layer structure, after a large amount of water goes out in, first through-hole 21 and sweat-absorbing hole 31 infiltration sweat-absorbing layer 3 on contact layer 2, the sweat-absorbing layer 3 receives the effect of influence other layers, the effect of damaging, first through the adsorption function of sweat-absorbing layer 3 material has been seted up, first through-hole 21, sweat-hole 21, the sweat-absorbing layer 21 is arranged on the contact layer, the contact layer is arranged, and sweat-absorbing layer is arranged, the sweat layer's surface is arranged, and is more than, and has the sweat-absorbing layer's side, and sweat layer's surface is easy to feel.
The first elastic layer 4, the tensile inner layer 5 and the second elastic layer 6 are all connected by gluing, a tensile structure with a negative poisson ratio function is arranged among the first elastic layer 4, the tensile inner layer 5 and the second elastic layer 6, the tensile structure comprises a braided rope 91, each two braided ropes 91 are of wave layer structures, flexible rods 92 are sleeved on the outer sides of the braided ropes 91, the braided ropes 91 ensure the tensile strength of the flexible rods 92, a constraint ring 93 is sleeved on the connecting part between each two flexible rods 92, the constraint ring 93 is of a certain elastic structure, the constraint ring 93 limits the connecting part between each two flexible rods 92, the tear resistance between each two flexible rods 92 is ensured, the opposite sides of the connecting part between each two flexible rods 92 are adhered with first elastic balls 94, the opposite sides of the connecting part between each two flexible rods 92 are adhered with second elastic balls 95, the first elastic ball 94 and the second elastic ball 95 are provided with the containing groove 96, the supporting rods 97 are inserted between the first elastic ball 94 and the second elastic ball 95, the limiting blocks 98 are adhered to the two ends of the supporting rods 97, the limiting blocks 98 are in a semicircular spherical rubber layer structure, the limiting blocks 98 are positioned in the containing groove 96, the limiting blocks 98 limit the supporting rods 97 and prevent the supporting rods 97 from moving randomly, when the knee pad mesh is worn on the knee, the knee pad mesh is stressed before stretching, at the moment, the first elastic ball 94 and the second elastic ball 95 compress, so that the inclination angles of the supporting rods 97 on the two sides between the first elastic ball 94 and the second elastic ball 95 are increased, when hard materials such as floors are stretched and touched, the first elastic ball 94 and the second elastic ball 95 recover elastic deformation due to stretching, at the moment, the inclination angles of the supporting rods 97 on the two sides between the first elastic ball 94 and the second elastic ball 95 are gradually reduced, and further, the first elastic layer 4 and the second elastic layer 6 are supported, so that the whole mesh body 1 becomes thick to have the effect of protecting the knees.
The second through holes 51 are formed among the first elastic layer 4, the tensile inner layer 5 and the second elastic layer 6, the ventilation holes 71 are formed in the ventilation layer 7 and the wear-resistant layer 8, the cross sections of the ventilation holes 71 are of horn-shaped through hole structures with large inner parts and small outer parts, two ends of the second through holes 51 are respectively communicated with the ventilation holes 71 and the sweat absorbing holes 31, after a large amount of sweat is generated in movement, the sweat on the knee is in contact with the outside air through the first through holes 21, the sweat absorbing holes 31, the second through holes 51 and the ventilation holes 71, the mesh cloth has good ventilation effect, the shape of the ventilation holes 71 ensures that the sweat on the knee can be sufficiently ventilated, and dust of the outside air is not easy to enter, so that the use effect of the mesh cloth is ensured.
Working principle: in actual use, when the knee pad mesh is worn on the knee, the knee is bent before being stretched, the mesh is stressed by bending the knee, at the moment, the inclination angles of the support rods 97 at the two sides between the first elastic ball 94 and the second elastic ball 95 are increased, when hard materials such as floors are touched in a stretching manner, the inclination angles of the support rods 97 at the two sides between the first elastic ball 94 and the second elastic ball 95 are gradually reduced due to stretching, at the moment, the first elastic layer 4 and the second elastic layer 6 are further supported, so that the whole mesh body 1 is thickened to play a role of protecting the knee, the woven ropes 91 ensure the tensile strength of the flexible rods 92, the constraint rings 93 limit the joint between every two flexible rods 92, the tearing resistance between every two flexible rods 92 is ensured, after a large amount of sweat is generated in the movement, the sweat permeates into the sweat absorbing layer 3 through the first through holes 21 and the sweat absorbing holes 31 on the contact layer 2, the sweat is treated through the adsorption function of the knee material of the sweat absorbing layer 3, the sweat can be easily absorbed by the sweat absorbing layer 21 and the sweat holes 71 can be prevented from entering the outside through the air holes 71, and the ventilation holes are fully guaranteed, and the ventilation effect of the mesh is guaranteed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. Negative poisson's ratio screen cloth with protection knee structure, including screen cloth body (1), its characterized in that: the utility model discloses a sweat-absorbing net cloth, including mesh body (1), mesh body (1) is provided with contact layer (2), sweat-absorbing layer (3), first elastic layer (4), tensile inlayer (5), second elastic layer (6), ventilative layer (7) and wearing layer (8) have been set gradually from inside to outside in the outside of contact layer (2), first through-hole (21) have been seted up on contact layer (2), sweat-absorbing hole (31) have been seted up on sweat-absorbing layer (3), set up the tensile structure that has negative poisson ratio function between first elastic layer (4), tensile inlayer (5) and second elastic layer (6), the tensile structure includes braided rope (91), every two braided rope (91) all are wave layer structure, flexible pole (92) have been cup jointed in the outside of braided rope (91), every two the junction between flexible pole (92) has cup jointed restriction ring (93), every two the opposite one side of flexible pole (92) all is provided with first elastic ball (94), every two the junction between flexible pole (92) has first elastic ball (95) and second elastic ball (95) are held between the equal elastic ball (95), both ends of bracing piece (97) all are provided with stopper (98), stopper (98) are semicircle spherical rubber layer structure, stopper (98) are located the inside of holding tank (96), all be provided with second through-hole (51) between first elastic layer (4), tensile inlayer (5) and second elastic layer (6), be provided with bleeder vent (71) on ventilative layer (7) and wearing layer (8).
2. The negative poisson's ratio net with protective knee structure according to claim 1, wherein: the plurality of first through holes (21) are arranged and distributed in a 'field' -shaped manner along the contact layer (2).
3. The negative poisson's ratio net with protective knee structure according to claim 1, wherein: the sweat absorbing holes (31) are communicated with the first through holes (21), the cross section of the sweat absorbing holes is of an isosceles trapezoid hole-shaped structure, and the sweat absorbing layer (3) is of a dehydrated gel carbon fiber composite membrane layer structure.
4. The negative poisson's ratio net with protective knee structure according to claim 1, wherein: the first elastic layer (4), the tensile inner layer (5) and the second elastic layer (6) are all connected through viscose, two ends of the second through hole (51) are respectively communicated with the air holes (71) and the sweat absorbing holes (31), and the cross section of the air holes (71) is of a horn-shaped through hole structure with the inner part big and the outer part small.
CN202111136818.2A 2021-09-27 2021-09-27 Negative poisson ratio mesh cloth with protective knee structure Active CN114103277B (en)

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