CN212099359U

CN212099359U - Aviation seat cushion

Info

Publication number: CN212099359U
Application number: CN202020347128.6U
Authority: CN
Inventors: 王伟
Original assignee: Shenzhen Maideli Aerospace Material Technology Co ltd
Current assignee: Shenzhen Maideli Aerospace Material Technology Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-12-08
Anticipated expiration: 2030-03-18

Abstract

The utility model provides an aviation seat cushion, includes the high resilience light foam layer of low density, memory sponge layer, the high resilience foam layer of high density and the polypropylene layer of laying in proper order to and the cladding is laid and is being stuck together between arbitrary adjacent two-layer at the apparent fire-retardant cloth layer that keeps off of low density high resilience light foam layer and polypropylene layer. The utility model discloses an aviation seat cushion is formed by the functional layer complex of multilayer difference, can absorb the impact force, reduce vibrations, low bounce releases, has protected the buffering of driver's health when landing, and seat cushion surface pressure distributes evenly simultaneously, can avoid buttock circulation oppression; the memory sponge layer has air permeability and moisture absorption, has proper heat insulation performance, can relieve the fatigue of a driver and improves the comfort; in addition, the polypropylene (EPP) has a floating function, when an accident happens to the airplane on a water area, the floating function plays a self-rescue role, the seat is supported by high hardness, the comfort of a driver is improved, and the service life of the seat cushion is prolonged.

Description

Aviation seat cushion

Technical Field

The utility model relates to an aeronautical material field, concretely relates to aviation seat pad to use on civil aviation aircraft driver seat.

Background

At present, the structural design of the seat cushion for the civil aviation driver and the seat cushion in the passenger cabin is basically consistent, the design that the flame-retardant fire-blocking cloth cushion is coated on the surfaces of polyurethane foam and polyethylene foam is mostly adopted, and the safety, the comfort, the fatigue resistance and the like of the seat foam cushion with the single material structure related to the mode on the aviation driver are poor.

With the continuous improvement of the pursuit of comfort, the traditional seat cushion can not meet the requirements of users on safety and comfort.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the above-mentioned problem that prior art exists, provide an aviation seat cushion that fire resistance is good, and the security is high.

In order to achieve the purpose, the utility model provides an aviation seat cushion, including the high resilience light foam layer of low density, memory sponge layer, the high resilience foam layer of high density and the polypropylene layer of laying in proper order to and the cladding is laid and is kept off the fire cloth layer at the apparent fire-retardant fender fire cloth layer of the high resilience light foam layer of low density and polypropylene layer, bonds between arbitrary adjacent two-layer.

As the preferred technical scheme of the utility model, the fire-retardant fire-blocking cloth layer is the fire-retardant fire-blocking cloth of must reach good brand Fireguard 162asy BWF Group.

As the preferred technical proposal of the utility model, the low-density high-resilience light foam layer has the density of 25kg/m³The low-density high-resilience light polyurethane foam of (1), which accounts for 15% of the entire thickness.

As the preferred technical proposal of the utility model, the memory sponge layer has the density of 20kg/m³The slow rebound polyurethane foam of (1), which accounts for 20% of the overall thickness.

As the preferred technical proposal of the utility model, the high-density high-resilience foam layer has the density of 55kg/m³The high-density high-resilience polyurethane foam of (2), which accounts for 50% of the entire thickness.

As an originalThe utility model has the preferable technical proposal that the polypropylene layer has the density of 60kg/m³Of polypropylene, which represents 15% of the overall thickness.

As the utility model discloses an optimal technical scheme bonds through glue between all adjacent two-layers, form fire-retardant viscose agent layer after the glue solidification.

As the preferred technical proposal of the utility model, the glue adopts the type 3095 water-based adhesive.

The utility model discloses an aviation seat cushion through adopting above-mentioned technical scheme, can reach following beneficial effect:

1) the utility model discloses an aviation seat cushion is formed by the functional layer complex of multilayer difference, can absorb the impact force, reduce vibrations, low bounce releases, has protected the buffering of driver's health when landing, and seat cushion surface pressure distributes evenly simultaneously, can avoid buttock circulation oppression;

2) the memory sponge layer has air permeability and moisture absorption, has proper heat insulation performance, can relieve the fatigue of a driver and improves the comfort;

3) the polypropylene (EPP) has a floating function, when an accident happens to the airplane on a water area, the floating function plays a self-rescue role, the seat is supported by high hardness, the comfort of a driver is improved, and the service life of the seat cushion is prolonged;

4) the flame-retardant fire blocking cloth layer is positioned on the surface layer of the seat cushion, has a flame-retardant effect and improves safety.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of an example provided by the aviation seat cushion of the present invention.

In the figure: 1. the high-resilience light foam layer of low density 2, memory sponge layer 3, the high-resilience foam layer of high density 4, polypropylene layer 5, fire-retardant fender cloth layer.

The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for the sake of clarity only, and are not intended to limit the scope of the invention, its relative relationship between the terms and their derivatives, and the scope of the invention should be understood as being limited by the claims.

As shown in fig. 1, an aircraft seat cushion comprises:

lay in proper order with the high resilience light foam layer 1 of low density, memory sponge layer 2, the high resilience foam layer 3 of high density and the polypropylene layer 4 of forming the seat pad lining to and the cladding is laid and is put at the high resilience light foam layer 1 of low density and the high resilience light foam layer 4 outward appearance of polypropylene layer in order to form the fire-retardant cloth layer 5 that keeps off the fire of surface fabric, bond between adjacent two-layer, bond and refer to and produce the adhesive force at adjacent layer surface with the help of the adhesive and bond or directly bond adjacent layer through the mode of hot melt.

In one embodiment:

all the adjacent two layers are bonded by using glue as an adhesive, the glue is a type 3095 water-based adhesive, a flame-retardant adhesive layer can be formed after the glue for bonding is cured, and the flame-retardant adhesive layer has the flame-retardant function besides the original bonding function;

the flame-retardant fire-blocking cloth layer 5 is the fabric of the seat cushion, can adopt Bidafu brand Firegugard 162asy BWF Group flame-retardant fire-blocking cloth, and has the advantages of high temperature resistance, corrosion resistance, wear resistance and the like;

the thickness of the low-density high-resilience light foam layer 1 is 15mm, the low-density high-resilience light foam layer accounts for 15 percent of the whole thickness, and the material is 25kg/m in density³The low-density high-resilience light polyurethane foam has light weight, can rebound with high surface pressure and is easy to distribute uniformly when being applied to a seat cushion, can avoid the cyclic compression of buttocks, and is easy to recover the original shape after the surface is compressed, thereby improving the comfort;

the memory sponge layer 2 is 20mm thick and 20% of the whole thickness, and is made of 20kg of material/m³The slow-rebound polyurethane foam has the advantages that the layer belongs to slow rebound, the rebound capability can reach more than 35%, the slow-rebound polyurethane foam has light weight, is a permeable foam hole structure, ensures the air permeability and the moisture absorption required by human skin without punching, has proper heat insulation performance, is warm in winter and cool in summer, has super capability of absorbing kinetic energy and vibration, provides soft supporting force by balancing the surface contact pressure of the borne weight when a user sits in a posture maintaining manner, protects the body of the driver for buffering when the user lands, and has certain safety function;

the high-density high-resilience foam layer 3 has a thickness of 50mm, accounts for 50% of the whole thickness, and is made of 55kg/m of material³The high-density high-resilience polyurethane foam has the resilience of more than 50 percent, super-strong resilience and air permeability, low loss after meet by chance, higher compression load, better flame resistance, heat aging, wet aging and dynamic fatigue (the height loss of 8 ten thousand tests is less than or equal to 6 percent), main pressure bearing effect, fatigue resistance in long-distance flight and comfort improvement;

the polypropylene layer 4 has a thickness of 15mm, which accounts for 15% of the total thickness, and has a density of 60kg/m³The polypropylene layer has 25% pressure hardness of over 380KPA, small water absorption, floatability, light specific gravity, anti-seismic and anti-pressure to support the whole chair, balanced pressure, no deformation of the chair and long service life.

It is to be noted here that the overall thickness referred to above refers to the overall thickness of the aircraft seat cushion.

The assembly process of this embodiment is as follows:

the water-based adhesive is uniformly sprayed on the upper surface of the polypropylene layer 4, and a layer of the water-based adhesive is coated by a spray gun, so that the thickness of the water-based adhesive is not specifically required;

adhering the high-density high-resilience foam layer 3 on the polypropylene layer 4, and uniformly spraying a layer of water-based adhesive on the upper surface of the high-density high-resilience foam layer 3;

adhering the memory sponge layer 2 on the high-density high-resilience foam layer 3, and uniformly spraying a layer of water-based adhesive on the upper surface of the memory sponge layer 2;

adhering the low-density high-resilience light foam layer 1 to the memory sponge layer 2, and uniformly spraying a layer of water-based adhesive on the upper surface of the low-density high-resilience light foam layer 1;

after the low-density high-resilience light foam layer 1, the memory sponge layer 2, the high-density high-resilience foam layer 3 and the polypropylene layer 4 are adhered, curing for 24 hours;

respectively and uniformly spraying a layer of water-based adhesive on the lower surface of the polypropylene layer 4 and the upper surface of the high-density high-resilience light foam layer, coating and adhering the flame-retardant fire-blocking cloth layer 5 below the polypropylene layer 4 and on the high-density high-resilience light foam layer, and then carrying out curing treatment for 24 hours again.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.

Claims

1. The utility model provides an aviation seat cushion which characterized in that, including the high resilience light foam layer of low density, memory sponge layer, the high resilience foam layer of high density and the polypropylene layer of laying in proper order to and the cladding is laid and is kept off the fire cloth layer at the high resilience light foam layer of low density and the apparent fire-retardant cloth layer that keeps off of polypropylene layer, bonds between adjacent two-layer.

2. The aircraft seat cushion according to claim 1, wherein said low density high resilience lightweight foam layer is 25kg/m density³The low-density high-resilience light polyurethane foam of (1), which accounts for 15% of the entire thickness.

3. The aircraft seat cushion according to claim 1, wherein said memory foam layer has a density of 20kg/m³The slow rebound polyurethane foam of (1), which accounts for 20% of the overall thickness.

4. The aircraft seat cushion of claim 1Characterized in that the high-density high-resilience foam layer has a density of 55kg/m³The high-density high-resilience polyurethane foam of (2), which accounts for 50% of the entire thickness.

5. The aircraft seat cushion according to claim 1, wherein said polypropylene layer has a density of 60kg/m³Of polypropylene, which represents 15% of the overall thickness.

6. An aircraft seat cushion according to any one of claims 1 to 5, wherein all adjacent layers are bonded together by means of a glue which, when cured, forms a flame retardant adhesive layer.

7. The aircraft seat cushion according to claim 6, wherein said glue is a type 3095 water-based glue.