A multi-functional mattress with adjustable firmness

Abstract

This invention relates to a multifunctional mattress with adjustable firmness, comprising metal wire segments and a base fabric. Metal wire segments are arrayed between adjacent layers of base fabric. Each metal wire segment is formed by interlacing metal threads between the two base fabric layers. The interlacing points of the metal threads and the base fabric constitute the end fixing points of the metal wire segments. Four rectangularly distributed metal wire segments and their end fixing points form a flexible support unit. Multiple arrayed flexible support units constitute a closed inflatable cavity. In this invention, the base fabric is bound and supported by the metal wire segments, forming a flat contact surface. When fully inflated, the metal wire segments act as a flexible skeleton, generating inward tensile force to limit excessive outward bulging of the base fabric. When underinflated, the metal wire segments, with their own compressive stiffness, support the upper and lower base fabric layers from the inside, preventing the base fabric from collapsing entirely.

Description

Technical Field

[0001] This invention relates to the field of air mattress technology, specifically to a multifunctional mattress with adjustable firmness. Background Technology

[0002] An air mattress is a type of mattress that is highly flexible and elastic, expanding in volume after being inflated. It effectively solves the problems of traditional mattresses being bulky, heavy, and inconvenient to carry. Therefore, air mattresses are widely used for outdoor camping, as spare mattresses, and as medical mattresses to prevent bedsores. However, because air mattresses are inflated, over-inflation causes the mattress surface to bulge outwards due to excessive internal air pressure; under-inflation causes localized collapse, resulting in an uneven contact surface. This is especially problematic for people who are bedridden for extended periods, making them prone to bedsores. Furthermore, traditional air mattresses use air-filled materials that are repeatedly stretched and deformed, leading to elastic fatigue and decreased elasticity recovery over time, thus affecting their lifespan. Summary of the Invention

[0003] The purpose of this invention is to overcome the above-mentioned shortcomings and provide a multifunctional mattress with adjustable firmness. The base fabric is connected and supported by metal wire segments to form a flat contact surface. When fully inflated, the metal wire segments act as a flexible skeleton, generating an inward pulling force to limit the base fabric from excessively bulging outward. When underinflated, the metal wire segments, with their own compressive stiffness, support the upper and lower base fabrics from the inside, preventing the base fabric from collapsing as a whole. The array of flexible support units ensures that the upper and lower base fabrics maintain a flat and stable contact surface under any inflation pressure, completely eliminating the problems of bulging when over-inflated and collapsing when under-inflated, which are common in traditional air mattresses.

[0004] The objective of this invention is achieved as follows: A multifunctional mattress with adjustable firmness includes metal wire segments and a base fabric. Metal wire segments are arranged in an array between two adjacent base fabric layers. The metal wire segments are formed by metal wires interlacing back and forth between the two base fabric layers. The interlacing points of the metal wires and the base fabric constitute the end fixing points of the metal wire segments. Four rectangularly distributed metal wire segments and the fixing points at both ends form a flexible support unit. Multiple flexible support units arranged in an array constitute a closed air cavity.

[0005] Preferably, the base fabric has an extension fabric around its periphery, the extension fabric weaving the upper and lower base fabrics together in one operation, and the base fabric and the extension fabric are coated with an adhesive layer on their outer sides.

[0006] Preferably, the flexible support unit has 462,000 to 430,000 units per square meter.

[0007] Preferably, the metal wire segments serve as a flexible skeleton, and the upper and lower base fabrics are constrained in the vertical direction by the metal wire segments.

[0008] Preferably, the air inlet is located on the base fabric or the extended fabric.

[0009] Preferably, the base fabric has at least two layers. When three or more layers of base fabric are used, a multi-layered inflatable cavity is formed. The adhesive layer is coated on the outer side of the uppermost and lowermost base fabric and the outer side of the extension fabric.

[0010] Preferably, the inflatable cavities on the same layer are divided into multiple independent cavities by a partition cloth, and each independent cavity has an independent inflation port.

[0011] Preferably, the separator is made of non-breathable fabric or is made of breathable fabric with adhesive backing.

[0012] The beneficial effects of this invention are: The base fabric is bound and supported by metal wire segments to form a flat contact surface. When fully inflated, the metal wire segments act as a flexible skeleton, generating an inward pulling force to limit the base fabric from bulging outward excessively. When underinflated, the metal wire segments rely on their own compressive stiffness to support the upper and lower base fabrics from the inside, preventing the base fabric from collapsing as a whole. The array of flexible support units ensures that the upper and lower base fabrics maintain a flat and stable contact surface under any inflation pressure, completely eliminating the problems of bulging when overinflated and collapsing when underinflated, which are common in traditional air mattresses. The metal wire segments bear the main tensile and compressive stresses, greatly reducing the stress on the base fabric and making it less prone to deformation. The mattress is less prone to elastic fatigue after long-term use, and its service life can be 3-5 times that of traditional air mattresses. The exposed base fabric on the top and bottom surfaces is coated with an adhesive layer, which not only achieves gas sealing but also reinforces the fixing points at the ends of the metal wire segments, effectively preventing the fixing points from loosening after long-term use. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the external structure of a multifunctional mattress with adjustable firmness according to Embodiment 1 of the present invention.

[0014] Figure 2 This is a magnified view of a portion of the interior of Example 1.

[0015] Figure 3 for Figure 2 Enlarged cross-sectional view.

[0016] Figure 4 This is a magnified view of a portion of the interior of Example 2.

[0017] Figure 5 This is a magnified view of a portion of the interior of Example 3.

[0018] in: 1. Metal wire segment; 2. Base fabric; 3. Extended fabric; 4. Adhesive layer; 5. Inflation port; 6. Spacer fabric. Detailed Implementation Example 1

[0019] See Figure 1-3 This invention relates to a multifunctional mattress with adjustable firmness, comprising metal wire segments 1 and a base fabric 2. Metal wire segments 1 are arranged in an array between the upper and lower base fabric layers 2. Each metal wire segment 1 is formed by interlacing metal wires between the two base fabric layers 2. The interlacing points of the metal wires and the base fabric 2 constitute the end fixing points of the metal wire segments 1. Four rectangularly distributed metal wire segments 1 and their end fixing points form a flexible support unit. The mattress contains 462,900 flexible support units per square meter. These arrayed flexible support units constitute the mattress's air chamber, which has a thickness of 8-25 cm. The metal wire segments 1 act as a flexible skeleton, limiting and supporting the upper and lower base fabric layers 2 in the vertical direction, restricting deformation of the base fabric. Specifically, when fully inflated, the metal wire segments 1 pull on the upper and lower base fabric layers 2 to prevent bulging; when underinflated, they support the base fabric 2 to prevent overall collapse. The arrayed flexible support units ensure that the contact surface of the base fabric remains flat.

[0020] The base fabric 2 is surrounded by an extension fabric 3, which weaves the upper and lower base fabrics 2 together in one operation. The base fabric 2 and the extension fabric 3 are coated with an adhesive layer 4, which seals the inflation cavity to prevent air leakage and fixes the end fastening points of the metal wire segment 1 to prevent loosening and ensure long-term support. The inflation port 5 is located on the base fabric 2 or the extension fabric 3.

[0021] The adhesive layer 4 is applied in a dotted pattern, which not only seals the air-filled cavity and secures the metal wire segments, but also effectively prevents slipping, increases the friction between the base fabric and the bed sheet, and prevents the bed sheet from sliding.

[0022] The base fabric 2 and the extended fabric 3 are made of the same material, using polyester woven fabric or nylon fabric, with a weight of 200-300g / m², which is resistant to stretching and not easily deformed.

[0023] The metal wire is made of titanium alloy or stainless steel wire with a diameter of 0.06-0.1mm, which has good elasticity and fatigue resistance.

[0024] The adhesive layer uses hot melt adhesive.

[0025] The method for preparing this mattress: Using the base fabric as a backing, metal wires are interwoven back and forth between the upper and lower base fabrics to control the weaving density, so that each square meter of mattress contains 8,000-8,500 flexible support units. After weaving, the corresponding perimeters of the upper and lower base fabrics are woven together with the extension section. Finally, an adhesive layer (with reserved air inlets) is applied to the surface of the base fabric and the extension fabric, and then heat-pressed to cure and complete the sealing.

[0026] When fully inflated, the metal wire segment 1 acts as a flexible skeleton, generating an inward pulling force to limit the base fabric 2 from bulging outward excessively; when underinflated, the metal wire segment 1, with its own compressive stiffness, supports the upper and lower base fabrics 2 from the inside, preventing the base fabric 2 from collapsing as a whole; the array of flexible support units ensures that the upper and lower base fabrics maintain a flat and stable contact surface under any inflation pressure. Example 2

[0027] like Figure 4 The base fabric 2 has at least two layers. When three or more layers of base fabric 2 are used, a multi-layered air-filled cavity is formed. Metal wire segments 1 are arranged in an array between adjacent layers of base fabric 2. An adhesive layer 4 is coated on the outer side of the top and bottom layers of base fabric 2 and the outer side of the extension fabric 3. Since the middle layer of base fabric 2 is not coated with an adhesive layer 4, the multi-layered air-filled cavities are interconnected and share an air inlet, which can increase the overall thickness of the mattress and provide a wider range of elasticity adjustment. The remaining structure is the same as in Embodiment 1. Example 3

[0028] like Figure 5 Based on Example 1, the air chambers in the same layer are divided into multiple independent chambers by a partition cloth 6. The partition cloth 6 is made of non-breathable fabric or has a breathable fabric with adhesive backing to achieve an air-tight effect. Each independent chamber has an independent air inlet, which facilitates zoned inflation and allows for fine adjustment of the firmness. As a medical air mattress, it meets the different support needs of different body parts and can achieve alternating inflation and deflation to improve the effect of preventing bedsores.

[0029] In addition to the above embodiments, the present invention also includes other embodiments. All technical solutions formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present invention.

Claims

1. A multi-functional mattress with adjustable firmness, characterized in that: It includes metal wire segments and base fabric. Metal wire segments are arranged in an array between two adjacent base fabric layers. The metal wire segments are formed by metal wires interlacing back and forth between the two base fabric layers. The interlacing points of the metal wires and the base fabric constitute the end fixing points of the metal wire segments. Four rectangularly distributed metal wire segments and the fixing points at both ends form a flexible support unit. Multiple flexible support units arranged in an array constitute a closed air-filled cavity.

2. The adjustable-firm multifunctional mattress according to claim 1, characterized in that: The base fabric is surrounded by an extension fabric, which weaves the upper and lower base fabrics together in one operation. The base fabric and the extension fabric are coated with an adhesive layer on their outer sides.

3. The adjustable-firm multifunctional mattress according to claim 1, characterized in that: The flexible support unit has 462,000 to 430,000 units per square meter.

4. The adjustable-firm multifunctional mattress according to claim 1, characterized in that: The metal wire segments act as a flexible skeleton, and the upper and lower base fabrics are constrained in the vertical direction by the metal wire segments.

5. The adjustable-firm multifunctional mattress according to claim 2, characterized in that: The air inlet is located on the base fabric or the extended fabric.

6. The adjustable-firm multifunctional mattress according to claim 2, characterized in that: The base fabric has at least two layers. When three or more layers of base fabric are used, a multi-layered inflatable cavity is formed. The adhesive layer is coated on the outer side of the top and bottom base fabric and the outer side of the extension fabric.

7. The adjustable-firm multifunctional mattress according to claim 1, characterized in that: The inflatable chambers on the same layer are divided into multiple independent chambers by a partition cloth, and each independent chamber has an independent inflation port.

8. The adjustable-firm multifunctional mattress according to claim 7, characterized in that: The partition cloth is made of non-breathable fabric or has a breathable fabric with adhesive backing.

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