CN202664918U

CN202664918U - Decompression seat cushion

Info

Publication number: CN202664918U
Application number: CN 201220375033
Authority: CN
Inventors: 王仰昆
Original assignee: VERMEIREN (SUZHOU) MEDICAL INSTRUMENTS CO Ltd
Current assignee: VERMEIREN (SUZHOU) MEDICAL INSTRUMENTS CO Ltd
Priority date: 2012-08-01
Filing date: 2012-08-01
Publication date: 2013-01-16
Anticipated expiration: 2022-08-01

Abstract

The utility model relates to a decompression seat cushion which comprises a seat cushion body and a plurality of through holes 2, wherein the through holes penetrate through the seat cushion body and are used for ventilation and decompression. The seat cushion body is made of waterproof material such as ethylene-vinyl acetate (EVA), thermoplastic polyurethane (TPU) or silica gel, and is produced by one-step molding, and therefore production cost can be reduced. The flexibility of the material is similar to the flexibility of memory sponge. The material has strong elasticity, and has pressure resisting effect. Duo to the fact that the material is poor in thermal conductivity, influence by outside room temperature is little, and therefore the material has the effects of keeping warm and resisting cold. The designed structure of the plurality of the through holes can enable the seat cushion body to have good ventilation. The seat cushion can be directly cleaned by clean water, is easy to dry in the air, and can be directly placed on the ground for people to hunker on.

Description

Pressure-reducing seat cushion

Technical field

The utility model relates to the seat cushion that uses on a kind of seat, particularly relates to a kind of Pressure-reducing seat cushion.

Background technology

Seat cushion generally is for the mat on the chairs such as common seat, car seat, wheelchair, recovery chair, in the household in some Japan, Korea S country and Chinese part minority name family area, be positioned over the seat cushion that the desk next door is used for sitting crosslegged and has a meal, chats because its habits and customs are also bound, so the comfort level of seat cushion, service life and cost performance become the selection emphasis of average family.

Seat cushion in the market mostly adopts the cotton inner core, although this inner core moisture absorption is strong, but moisture is difficult for distributing, after making moist, cotton pad can lose flexibility and elasticity, if can be unhealthful during the skin of buttock Long Term Contact, if and excessively cleaning of cotton pad, can cause inner cotton core to play group, the seat cushion distortion is followed the string.

Other seat cushion adopts foamed plastic or jute fiber plaiting article goods to make, although these seat cushions are soft, after using after a while, be easy to follow the string and be out of shape, its service life is short, as for other is by the seat cushion that corium, cashmere, latex, silk etc. are made on the market, the price of comparing is higher.

Summary of the invention

The purpose of this utility model provide a kind of softness, comfortable, be convenient to clean, Pressure-reducing seat cushion that cost performance is good.

For achieving the above object, the technical solution adopted in the utility model is:

The a plurality of through holes that are used for ventilative decompression that a kind of Pressure-reducing seat cushion, described seat cushion comprise the seat cushion body and run through described seat cushion body.

In the preferred version, the material of described seat cushion body is EVA or TPU or silica gel.

In the preferred version, described seat cushion body thickness is between 35mm-50mm.

In the preferred version, a plurality of through holes on the described seat cushion body are matrix and are arranged on the described seat cushion body.

In the preferred version, the outside of described seat cushion body coats one deck overcoat.

In the preferred version, the cross section of described through hole is circle, triangle, rectangle, rhombus, hexagon, Long Circle.

In the preferred version, the spacing between the described through hole is between 2mm-10mm.

The utility model operation principle is:

A kind of Pressure-reducing seat cushion described in the utility model, can be used on the chairs such as common seat, car seat, wheelchair, recovery chair, when buttocks touches on the seat cushion, because part hollow out on the seat cushion body, so pliability is better, can be out of shape according to the shape that buttocks is pressed into seat cushion, and can be so that buttocks pressurized and not feeling well, the through hole on the seat cushion has good ventilative effect, after buttocks lifts, because the special substance effect of seat cushion, originally the position of distortion can in time be recovered; Therefore the employed material heat conductivility of the utility model is relatively poor, is subjected to the impact of extraneous room temperature less, have warming, every cold effect.

Because technique scheme is used, the utility model compared with prior art has following advantages:

1. the utility model Pressure-reducing seat cushion adopts the materials such as lower-cost EVA, TPU or silica gel, also can adopt other waterproof material one-shot formings to make, and can save production cost.

2. the waterproof material such as the EVA, the TPU that adopt of the utility model Pressure-reducing seat cushion or silica gel, its pliability is similar to memory foam, have elasticity and this material pressurized after deformation can recover, have withstand voltage effect; And the heat conductivility of this material is very poor, is subjected to the impact of extraneous room temperature less, have warming, every cold effect.

3. the porous project organization is so that seat cushion integral body has good gas permeability, and this design is so that the local contact base pad body of buttocks has the effect of massage, and long-term the use is conducive to blood circulation.

4. the Pressure-reducing seat cushion of the utility model material can directly use clear water to clean, and dries easily, can directly place on the ground and sit crosslegged.

Description of drawings

Accompanying drawing 1 is the stereogram of Pressure-reducing seat cushion of the present utility model;

Accompanying drawing 2 is the front view of Pressure-reducing seat cushion of the present utility model;

In the above accompanying drawing: 1, seat cushion body; 2, through hole.

The specific embodiment

Below in conjunction with the drawings and the specific embodiments the utility model is further described:

The waterproof material one-shot formings such as the utility model Pressure-reducing seat cushion body 1 employing EVA, TPU or silica gel are made: EVA and are claimed again ethylene-vinyl acetate copolymer, and general vinyl acetate (VA) content is 5%～40%.Compare with polyethylene, EVA has been owing to introduced VAM in strand, thereby reduced high-crystallinity, improved pliability, impact resistance, filler intermiscibility and heat seal performance, it has higher pliability and toughness, the superpower low temperature resistant (characteristics such as 70C); TPU is the abbreviation of Thermoplastic polyurethanes, Chinese TPUE rubber by name, and it has the mechanical strength height, and pliability is strong, cold resistance, and water resistance is strong and the outstanding properties such as reproducible utilization; Silica gel is a kind of high activity sorbing material, belongs to amorphous substance, and its chemical molecular formula is mSiO2nH2O.Its water insoluble and any solvent, nonpoisonous and tasteless, stable chemical nature.The chemical composition of silica gel and physical arrangement, determined that it has many other same type of material and is difficult to replace to get characteristics: Heat stability is good, pliability is strong, has higher mechanical strength etc.More than the characteristic such as the pliability of three kinds of materials and high resiliency become the preferred material of present pad material.

Pressure-reducing seat cushion of the present utility model can be made into multiple color, and its thickness is about 35mm-50mm, and the length and width scope is about 350mm-400mm, and the seamed edge of seat cushion body 1 arranges round-corner transition, to guarantee the attractive in appearance and smooth of seat cushion integral body.

Pressure-reducing seat cushion also comprises a plurality of through holes 2 that are used for ventilative decompression on the described seat cushion body 1, the cross section of a plurality of through holes 2 is the composite figure that is the same figure of matrix arrangement, this figure can be triangular form, square, circular, rectangle, rhombus, hexagon, Long Circle and heart type etc., and the spacing between adjacent two through holes 2 is between 2-10mm.

Pressure-reducing seat cushion of the present utility model, can be used on the chairs such as common seat, car seat, wheelchair, recovery chair, when buttocks touches on the seat cushion, because its material pliability is better, can be out of shape according to the shape that buttocks is pressed into seat cushion, and can be so that buttocks pressurized and not feeling well, the through hole 2 on the seat cushion has good ventilative effect; The design of a plurality of through holes 2 is so that the local contact base pad body of buttocks has the effect of massage, and long-term the use is conducive to blood circulation.

After buttocks lifted, because the special substance effect of seat cushion, originally the position of distortion can in time be recovered; Therefore the employed material heat conductivility of the utility model is relatively poor, is subjected to the impact of extraneous room temperature less, have warming, every cold effect, can directly place on the ground and sit crosslegged.

Pressure-reducing seat cushion also can directly use clear water to clean, and dries easily; Its outside also can coat one deck overcoat.

Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed within the protection domain of the present utility model.

Claims

1. a Pressure-reducing seat cushion is characterized in that: a plurality of through holes that are used for ventilative decompression that described seat cushion comprises the seat cushion body and runs through described seat cushion body.

2. Pressure-reducing seat cushion according to claim 1, it is characterized in that: the material of described seat cushion body is EVA or TPU or silica gel.

3. Pressure-reducing seat cushion according to claim 1, it is characterized in that: described seat cushion body thickness is between 35mm-50mm.

4. Pressure-reducing seat cushion according to claim 1, it is characterized in that: a plurality of through holes on the described seat cushion body are matrix and are arranged on the described seat cushion body.

5. Pressure-reducing seat cushion according to claim 1 is characterized in that: outside coating one deck overcoat of described seat cushion body.

6. Pressure-reducing seat cushion according to claim 1 is characterized in that: the cross section of described through hole is circle, triangle, rectangle, rhombus, hexagon, Long Circle.

7. Pressure-reducing seat cushion according to claim 1, it is characterized in that: the spacing between the described through hole is between 2mm-10mm.