CN209807773U - Adjustable mattress - Google Patents

Abstract

The utility model relates to the technical field of furniture, it is concrete, relate to an install simple adjustable mattress, it includes the cushion cover that piles up according to the preface, the spring layer, adjustable layer and facing, cushion cover and facing cladding are in spring layer and adjustable layer, the facing passes through the zip fastener and connects in the cushion cover, the cushion cover includes plastic frame shell and cladding in the lining cloth of plastic frame shell, adjustable layer is including the bamboo fiber layer that sets up according to the preface from bottom to top, the coconut palm layer, 3D material layer and emulsion layer, the bamboo fiber layer, the coconut palm layer, all be equipped with cyclic annular plastic guide around 3D material layer and emulsion layer, the inner wall of the plastic frame shell of cushion cover is equipped with four C shape plastic chutes that correspond cyclic annular plastic guide, the 3D material layer is the same with emulsion layer's thickness, the upper and lower position of the two is adjustable. The utility model discloses an adjustable mattress passes through the cooperation of the cyclic annular plastic guide rail on C shape plastic chute on the plastics frame shell and each layer of adjustable layer, realizes being connected of adjustable layer and cover, and the location is accurate, has simplified the utility model discloses an installation.

Description

Adjustable mattress

Technical Field

The utility model relates to the technical field of furniture, specifically, relate to an adjustable mattress.

Background

The mattress provides a comfortable sleeping environment for people and improves the sleeping quality of people. Because the mattress is internally provided with the spring, the spring can be stretched or compressed according to the pressure applied by the human body, so that the mattress is attached to the back of the human body, and the effects of protecting the spine and relieving nerves are achieved. At present, most of mattresses in the market have soft texture and hard texture, and consumers can move the front side and the back side of the mattresses according to the sleeping habits of the consumers. However, due to the fact that the mattress has large dead weight, at least two persons are required to lift the mattress in the moving process, the mattress is easy to collapse and injure people, the back surface of the mattress needs to be cleaned after being turned, the mattress can be used, turning is troublesome, and efficiency is low.

The traditional technology achieves the purpose of adjusting the hardness of the mattress by changing the materials of different layers of the combined mattress. However, in the process of replacing the mattress, the mattress pad sleeve is soft in texture and cannot be quickly and accurately positioned, the mattress is easy to shift and separate from the pad in the process of pulling the zipper between the lining and the pad sleeve, the replacement and installation of the mattress are not facilitated, and the difficulty in installing the mattress pad is improved.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects existing in the prior art, the utility model provides an adjustable mattress with simple installation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an adjustable mattress, it includes the cushion cover that piles up according to the preface, the spring layer, but regulating layer and facing, cushion cover and facing cladding are in spring layer and regulating layer, the facing passes through the zip fastener and connects in the cushion cover, the cushion cover includes plastic frame shell and cladding in the lining cloth of plastic frame shell, the regulating layer is including the bamboo fiber layer that sets up according to the preface from bottom to top, the coconut palm layer, 3D material layer and emulsion layer, the bamboo fiber layer, the coconut palm layer, all be equipped with cyclic annular plastic guide around 3D material layer and emulsion layer, the inner wall of the plastic frame shell of cushion cover is equipped with four C shape plastic chutes that correspond cyclic annular plastic guide, the 3D material layer is the same with the thickness of emulsion layer, the upper and lower position of the two is adjustable.

In one embodiment, the cross sections of the annular plastic guide rail and the C-shaped plastic sliding groove are both in a T-shaped structure, and the annular plastic guide rail and the C-shaped plastic sliding groove are clamped through the T-shaped structure.

In one embodiment, the plastic frame shell of the cushion cover is of a cuboid structure, and the upper bottom surface and one side surface of the cuboid of the plastic frame shell are both open.

In one embodiment, the C-shaped plastic chute extends around three sides of the plastic frame shell, and the length of the C-shaped plastic chute is equal to the sum of the widths of the three sides of the plastic frame shell.

In one embodiment, the plastic frame shell further comprises a pair of anti-slip sheets, and the anti-slip sheets are respectively connected to two ends of the C-shaped plastic chute and perpendicular to the two ends of the C-shaped plastic chute.

In one embodiment, the height of the anti-slip sheet is less than the thickness of the plastic frame shell.

In one embodiment, the lining cloth comprises a fixing part and an opening and closing part, the fixing part is wrapped on the outer surface of the plastic frame shell, the opening and closing part is wrapped on the side opening part of the plastic frame shell, and the opening and closing part is connected with the fixing part through a zipper.

In one embodiment, the spring layer includes a plurality of springs in an array and a first mesh cloth, and the first mesh cloth covers the springs to form a rectangular spring layer.

In one embodiment, the 3D material layer is composed of a 3D functional fiber buffer fabric and a second mesh fabric covering the 3D functional fiber buffer fabric.

Compared with the prior art, the utility model discloses can obtain including following technological effect:

the utility model discloses an adjustable mattress sets up C shape plastic chute on the plastics frame shell of cushion cover, set up cyclic annular plastic guide rail on each layer of adjustable layer, only need aim at the C shape plastic chute of plastics frame shell with the cyclic annular plastic guide rail of each layer of adjustable layer in the installation, make cyclic annular plastic guide rail drive each layer of adjustable layer and slide along C shape plastic chute, support tight adjustable layer through the antiskid sheets, can realize being connected of adjustable layer and cushion cover, adjustable layer location is accurate, simplify the installation operation of each layer of adjustable layer.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the adjustable mattress of the present invention;

FIG. 2 is a cross-sectional view of the adjustable mattress of the present invention;

fig. 3 is a partial enlarged view of fig. 2 of the present invention.

Detailed Description

Embodiments of the invention are illustrated in the drawings and, for purposes of clarity, numerous implementation details are set forth in the following description. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

It should be noted that all the directional indicators in the embodiments of the present invention, such as upper, lower, left, right, front and rear … …, are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments can be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or can not be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an adjustable mattress, it is applied to furniture technical field, can simplify the soft or hard degree regulation operation of mattress, realizes the inside quick accurate installation of each layer of mattress. Referring to fig. 1 and 2, fig. 1 is a schematic structural view of the adjustable mattress of the present invention, and fig. 2 is a sectional view of the adjustable mattress of the present invention. As shown in the figures, the adjustable mattress of the present invention comprises a cushion cover 100, a spring layer 200, an adjustable layer 300 and a lining 400 stacked according to the order, wherein the cushion cover 100 and the lining 400 are wrapped on the spring layer 200 and the adjustable layer 300. It should be noted that, in this embodiment, the cushion cover 100 and the facing 400 are used for covering the spring layer 200 and the adjustable layer 300, and constrain the positions of the spring layer 200 and the adjustable layer 300, so as to ensure the integrity and stability of the present invention, and prevent the displacement of the adjustable mattress during use. In addition, the cushion cover 100 and the facing 400 are also used for protecting the spring layer 200 and the adjustable layer 300, so as to prevent external objects from scratching the spring layer 200 and the adjustable layer 300, thereby causing damage failure of the adjustable mattress; and, the setting of the cushion cover 100 and the facing 400 can also be reduced the utility model discloses the adhesion of dust and spot on spring layer 200 and adjustable layer 300 surface has reduced in the use the utility model discloses a clearance degree of difficulty of adjustable mattress has guaranteed the cleanliness of adjustable mattress. In order to clean up the stains on the lining 400 of the present invention in time and reduce the growth of bacteria, in this embodiment, the lining 400 is connected to the cushion cover 100 by a zipper (not shown). When the lining 400 is stained, the zipper can be opened, the lining 400 is detached from the cushion cover 100, and the lining 400 is cleaned to eliminate impurity and dirt on the lining 400, reduce the breeding of bacteria on the lining 400 and create a healthy and comfortable sleeping environment for a user. After the lining 400 is cleaned, the zipper is closed, so that the lining 400 is fixed on the cushion cover 100, the lining 400 is recycled, and the assembling and disassembling process is simple and easy to operate and convenient to operate.

In this embodiment, the cushion cover 100 includes a plastic frame shell 110 and a lining cloth 120 covering the plastic frame shell 110, the plastic frame shell 110 is a rectangular parallelepiped structure, and both the upper bottom surface and one side surface of the rectangular parallelepiped of the plastic frame shell 110 are open. The upper bottom surface of the plastic frame shell 110 is provided with an opening and is not provided with the padding cloth 120, so that the padding 400 is convenient to be connected with the cushion cover 100, and the influence of plastics on the hardness of the adjustable mattress when the upper bottom surface of the plastic frame shell 110 is coated with plastics is eliminated. In order to reduce the abrasion of the opening end on the upper bottom surface of the plastic frame shell 110 to the lining 400 and the influence on the normal movement of the user due to the opening on the upper bottom surface of the plastic frame shell 110, in this embodiment, the opening end on the upper bottom surface of the plastic frame shell 110 is provided with an annular anti-collision rubber strip 111. Through setting up cyclic annular crashproof adhesive tape 111, can reduce the injury that the human impact caused of bottom surface opening end pair on plastics frame shell 110, guaranteed the utility model discloses a security, and cyclic annular crashproof adhesive tape 111 texture is softer, can prevent that plastics frame shell 110 top surface open end from scraping and damaging facing 400, and then cause the damaged inefficacy of facing 400, guaranteed the utility model discloses a quality.

For guaranteeing the utility model discloses an intensity and elasticity, in this embodiment, spring layer 200 includes a plurality of springs 210 and the first screen cloth 220 of array, and first screen cloth 220 cladding constitutes the spring layer 200 of cuboid in spring 210. Through becoming the cuboid form with a plurality of springs 210 array, formed the utility model discloses a skeleton of adjustable mattress provides the basis for setting up of adjustable layer 300, and the setting of a plurality of springs 210, has improved the utility model discloses an elasticity and intensity, when the human body lay down in the mattress, the buffering of spring layer 200 is great, has reduced the impact to the bed body when the human body moves on the mattress, has protected the bed body. First screen cloth 220 cladding is in spring 210, when having reduced spring 210 and adjustable layer 300 direct contact, to the friction loss of adjustable layer 300, is favorable to prolonging the life of spring layer 200, and setting up of first screen cloth 220 still can prevent that the toy from boring into in spring 210, guarantees the utility model discloses a normal use of adjustable mattress.

Adjustable layer 300 is used for adjusting the utility model discloses an adjustable mattress's soft or hard degree to satisfy the demand of different crowds to mattress soft or hard degree. Referring to fig. 2 again, as shown in the figure, the adjustable layer 300 of the present invention includes a bamboo fiber layer 310, a coconut fiber layer 320, a 3D material layer 330 and a latex layer 340, which are sequentially disposed from bottom to top. It should be noted that, in this embodiment, the bamboo fiber layer 310 and the coconut palm layer 320 are used for providing a buffer for the 3D material layer 330 and the latex layer 340, so as to reduce the damage of the 3D material layer 330 and the latex layer 340 caused by the extrusion of the human body and the spring layer 200 on the 3D material layer 330 and the latex layer 340 when the human body lies on the adjustable mattress surface, and effectively prolong the service life of the 3D material layer 330 and the latex layer 340. The bamboo fiber layer 310 is formed by pressing bamboo fibers, the bamboo fibers have good air permeability, water absorption and wear resistance, when the bamboo fiber layer 310 is arranged on the spring layer 200, sweat secreted by a human body during sleeping and carbon dioxide gas generated by cell respiration can be absorbed or permeated by the bamboo fibers along the cushion layer, and the influence on the health of the human body when the sweat and the waste gas on the surface of the human body are difficult to remove is eliminated; and the fibrous wearability of bamboo can reduce spring layer 200 to the wearing and tearing of bamboo fibrous layer 310, is favorable to improving bamboo fibrous layer 310's life, reduces the utility model discloses a use cost. In addition, bamboo fibre still has antibiotic, antibacterial, removes efficiency such as mite and deodorant, can reduce the utility model discloses breeding of bacterium and the dispersion of stink in the use guarantee user's sleep environment. The coconut palm layer 320 mainly comprises coconut palm, and the coconut palm also has the advantages of moisture resistance, air permeability, bacteriostasis and the like, can prevent moth-eaten and creates a comfortable and sanitary sleeping environment for users.

In order to facilitate the connection between the adjustable layer 300 and the cushion cover 100, the adjustable layer 300 is prevented from shifting in the cushion cover 100, and the installation difficulty of the adjustable layer 300 is reduced, in this embodiment, the peripheries of the bamboo fiber layer 310, the coconut palm layer 320, the 3D material layer 330 and the latex layer 340 are all provided with the annular plastic guide rails 350, and the inner wall of the plastic frame shell 110 of the cushion cover 100 is provided with four C-shaped plastic chutes 112 corresponding to the annular plastic guide rails 350. Through set up cyclic annular plastic guide rail 350 on each layer of adjustable layer 300, set up C shape plastic chute 112 at the inner wall of plastics frame shell 110, but only need aim at the C shape plastic chute 112 of plastics frame shell 110 with the cyclic annular plastic guide rail 350 of each layer of adjustable layer 300 in the adjustable layer 300 installation, make cyclic annular plastic guide rail 350 drive each layer of adjustable layer 300 and slide along C shape plastic chute 112, can realize being connected of adjustable layer 300 and cushion cover 100. Through the cooperation of cyclic annular plastic guide rail 350 and C shape plastic chute 112, cyclic annular plastic guide rail 350 is difficult for shifting under the restraint of C shape plastic chute 112, and adjustable layer 300 is relative definite in the position of filling up in cover 100, has reduced the installation degree of difficulty of adjustable layer 300, has improved the utility model discloses an installation and dismantlement efficiency. In order to ensure that the 3D material layer 330 has a certain toughness and hardness, in this embodiment, the 3D material layer 330 is composed of a 3D functional fiber filament buffer fabric 331 and a second mesh fabric 332 covering the 3D functional fiber filament buffer fabric 331, and the 3D functional fiber filament buffer fabric 331 has strong air permeability and good elasticity, thereby ensuring the toughness and hardness of the 3D material layer 330. It should be further noted that, in this embodiment, the thickness of the 3D material layer 330 is the same as that of the latex layer 340, and the up-and-down positions of the two layers are adjustable. Because the material of 3D material layer 330 is different with emulsion layer 340, and the latex is compared in that 3D function cellosilk buffering fabric 331 texture is softer, consequently, the accessible is changed the position realization of 3D material layer 330 with emulsion layer 340 and is right the utility model discloses an adjustable mattress's soft or hard degree's regulation. In a specific production practice, the adjustable mattresses with different softness and hardness can be produced by adjusting the density of the 3D functional fiber silk buffer fabric 331 in the 3D material layer 330 and the thickness of the latex layer 340, which are not described herein again.

In order to prevent the annular plastic guide rail 350 from sliding out of the C-shaped plastic chute 112, which causes the connection failure between the annular plastic guide rail 350 and the C-shaped plastic chute 112, in an embodiment, the cross sections of the annular plastic guide rail 350 and the C-shaped plastic chute 112 are both in a T-shaped structure, and the annular plastic guide rail 350 and the C-shaped plastic chute 112 are fastened together through the T-shaped structure. Referring to fig. 3, fig. 3 is a partial enlarged view of fig. 2 of the present invention, as shown in the figure, after the annular plastic guide rail 350 is inserted into the C-shaped plastic chute 112, two wings (not shown) of the T-shaped structure of the annular plastic guide rail 350 are clamped into the C-shaped plastic chute 112 and are always retained in the C-shaped plastic chute 112 under the constraint of the inner wall of the C-shaped plastic chute 112, so as to achieve the connection between the adjustable layer 300 and the cushion cover 100, and ensure the certainty of the position of the adjustable layer 300 in the cushion cover 100.

In order to facilitate the rapid alignment of the spring layer 200 and the adjustable layer 300, and reduce the difficulty of the zipper between the lining 400 and the cushion cover 100, in this embodiment, the C-shaped plastic chute 112 extends around three sides of the plastic frame shell 110, the length of the C-shaped plastic chute 112 is equal to the sum of the widths of the three sides of the plastic frame shell 110, the plastic frame shell 110 has a pair of anti-slip sheets 113, and the anti-slip sheets 113 are respectively connected to two ends of the C-shaped plastic chute 112 and perpendicular to two ends of the C-shaped plastic chute 112. Because the plastic frame shell 110 has a certain elasticity, in the process of installing each layer of the adjustable layer 300, the annular plastic guide rails 350 of each cushion layer are firstly clamped into the C-shaped plastic sliding groove 112 of the plastic frame shell 110, and the cushion layer is pushed along the two parallel parts of the C-shaped plastic sliding groove 112, so that the distance between the cushion layer and the vertical part of the C-shaped plastic sliding groove 112 is gradually reduced until the cushion layer is tightly attached to the vertical part of the C-shaped plastic sliding groove 112. In the process of pushing the cushion layer, the plastic frame shell 110 is propped open by the cushion layer, the cushion layer can be clamped into the C-shaped plastic chute 112 of the plastic frame shell 110, the cushion layer is clung to the vertical part of the C-shaped plastic chute 112, the plastic frame shell 110 rebounds, the anti-slip sheet 113 of the plastic frame shell 110 is propped against the cushion layer, the cushion layer can be effectively prevented from slipping out of the C-shaped plastic chute 112, and the cushion layer is not changed under the constraint of the anti-slip sheet 113 and the C-shaped plastic chute 112 any more. Through the restraint of antiskid sheets 113 and C-shaped plastic chutes 112, each layer of the spring layer 200 and the adjustable layer 300 can be aligned, so that the zipper between the lining 400 and the cushion cover 100 can be conveniently pulled, and the installation operation of the adjustable mattress is simplified.

In order to prevent the anti-slip sheet 113 from being excessively high to wear the facing 400 and reduce the damage of the anti-slip sheet 113 to the human body, in the present embodiment, the height of the anti-slip sheet 113 is less than the thickness of the plastic frame shell 110. Through the thickness that makes the height of antiskid sheet 113 be less than plastic frame shell 110, antiskid sheet 113 and lining 400 direct contact not have eliminated the wearing and tearing of antiskid sheet 113 to lining 400, have prolonged the life of lining 400, and when the human body recumbent in the adjustable mattress, the human body at first contacts emulsion layer 340, can reduce the damage that antiskid sheet 113 caused to the human impact, has improved the utility model discloses a security. In this embodiment, in order to ensure the anti-slip function of the anti-slip sheet 113 on each layer of the spring layer 200 and the adjustable layer 300, the distance from the top of the anti-slip sheet 113 to the latex layer 340 should be less than half of the thickness of the latex layer 340, so as to prevent the latex layer 340 from slipping out of the C-shaped plastic chute 112 and ensure the anti-slip effect of the anti-slip sheet 113.

In order to facilitate the arrangement of the spring layer 200 and the adjustable layer 300 and reduce the influence of the padding cloth 120 on the installation of the spring layer 200 and the adjustable layer 300, in an embodiment, the padding cloth 120 includes a fixing portion 121 and an opening/closing portion 122, the fixing portion 121 is wrapped on the outer surface of the plastic frame shell 110, the opening/closing portion 122 is wrapped on the side opening portion of the plastic frame shell 110, and the opening/closing portion 122 is connected to the fixing portion 121 through a zipper. Referring back to fig. 1, before each layer of the spring layer 200 and the adjustable layer 300 is installed, the zipper between the opening/closing portion 122 and the fixing portion 121 needs to be opened, so that the side opening of the plastic frame shell 110 is exposed, after each layer of the spring layer 200 and the adjustable layer 300 is installed, the zipper between the opening/closing portion 122 and the fixing portion 121 is closed, and each layer of the spring layer 200 and the adjustable layer 300 is completely covered between the lining cloth 120 and the lining 400, so that the installation of the adjustable mattress is realized, and the operation is simple.

To sum up, the utility model discloses an among one or more embodiments, the utility model discloses an adjustable mattress sets up C shape plastic chute 112 on the plastics frame shell 110 of cushion cover 100, set up cyclic annular plastic guide rail 350 on each layer of adjustable layer 300, only need aim at the C shape plastic chute 112 of plastics frame shell 110 with the cyclic annular plastic guide rail 350 of each layer of adjustable layer 300 in the installation, make cyclic annular plastic guide rail 350 drive each layer of adjustable layer 300 and slide along C shape plastic chute 112, support tight adjustable layer 300 through antiskid sheets 113, realize being connected of adjustable layer 300 and cushion cover 100, adjustable layer 300 fixes a position accurately, simplify the installation operation of each layer of adjustable layer 300.

The above description is only for the embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (9)

1. An adjustable mattress comprises a cushion cover (100), a spring layer (200), an adjustable layer (300) and a lining (400) which are stacked in sequence, wherein the cushion cover (100) and the lining (400) are coated on the spring layer (200) and the adjustable layer (300), the lining (400) is connected with the cushion cover (100) through a zipper, the adjustable mattress is characterized in that the cushion cover (100) comprises a plastic frame shell (110) and lining cloth (120) coated on the plastic frame shell (110), the adjustable layer (300) comprises a bamboo fiber layer (310), a coconut palm layer (320), a 3D material layer (330) and a latex layer (340) which are sequentially arranged from bottom to top, annular plastic guide rails (350) are arranged on the peripheries of the bamboo fiber layer (310), the coconut palm layer (320), the 3D material layer (330) and the latex layer (340), four C-shaped plastic chutes (112) corresponding to the annular plastic guide rails (350) are arranged on the inner wall of the plastic frame shell (110) of the cushion cover (100), the thickness of the 3D material layer (330) is the same as that of the latex layer (340), and the upper and lower positions of the two layers are adjustable.

2. The adjustable mattress according to claim 1, wherein the cross-sections of the annular plastic guide rail (350) and the C-shaped plastic chute (112) are both T-shaped structures, and the annular plastic guide rail (350) and the C-shaped plastic chute (112) are clamped through the T-shaped structures.

3. The adjustable mattress of claim 1, wherein the plastic frame shell (110) of the mattress cover (100) is of a rectangular parallelepiped structure, and the rectangular parallelepiped upper bottom surface and one side surface of the plastic frame shell (110) are open.

4. The adjustable mattress according to claim 3, wherein the C-shaped plastic runner (112) extends around three sides of the plastic frame shell (110), the length of the C-shaped plastic runner (112) being equal to the sum of the widths of the three sides of the plastic frame shell (110).

5. The adjustable mattress according to claim 4, wherein the plastic frame shell (110) further comprises a pair of anti-slip sheets (113), the anti-slip sheets (113) are respectively connected to two ends of the C-shaped plastic chute (112) and are perpendicular to the two ends of the C-shaped plastic chute (112).

6. The adjustable mattress according to claim 5, characterized in that the height of the anti-slip sheet (113) is smaller than the thickness of the plastic frame shell (110).

7. The adjustable mattress according to claim 3, wherein the padding cloth (120) comprises a fixing portion (121) and an opening and closing portion (122), the fixing portion (121) is wrapped on the outer surface of the plastic frame shell (110), the opening and closing portion (122) is wrapped on the side opening portion of the plastic frame shell (110), and the opening and closing portion (122) is connected to the fixing portion (121) through a zipper.

8. The adjustable mattress according to claim 1, wherein the spring layer (200) comprises a plurality of springs (210) in an array and a first mesh (220), the first mesh (220) is wrapped around the springs (210) to form a rectangular parallelepiped spring layer (200).

9. The adjustable mattress according to claim 1, wherein the 3D material layer (330) is composed of a 3D functional fiber filament cushion fabric (331) and a second mesh (332) wrapping the 3D functional fiber filament cushion fabric (331).