KR20170084556A

KR20170084556A - A mattress having different hardness and elasticity for human body

Info

Publication number: KR20170084556A
Application number: KR1020160003735A
Authority: KR
Inventors: 정용채
Original assignee: 정용채
Priority date: 2016-01-12
Filing date: 2016-01-12
Publication date: 2017-07-20
Also published as: WO2017122860A1

Abstract

According to the present invention, by forming a unit member having different hardness and elasticity corresponding to a body part, it is possible to achieve an optimal body pressure distribution and a body-holding effect, thereby lowering the EMG and improving blood flow. To provide a mattress having a different hardness and elasticity in correspondence to the body part which can help maintain the ideal shape of the mattress. The present invention relates to an upper layer (20) comprising a single sheet-like single pad having a thickness less than a predetermined thickness deformed corresponding to a body part in contact with the body; A base layer (30) on which one surface (32) is placed on the ground and the other surface (34) is formed to correspond to deformation of the upper layer (20); An intermediate layer 40 which is located between the upper layer 20 and the base layer 30 and is composed of a plurality of unit members whose hardness and elasticity are different from each other according to a body part to disperse a load received from the upper layer 20 .

Description

A MATTRESS HAVING DIFFERENT HARDNESS AND ELASTICITY FOR HUMAN BODY < RTI ID = 0.0 >

The present invention relates to a mattress having different hardness and elasticity corresponding to a body part, and more particularly to a mattress having different hardness and elasticity corresponding to a body part, To a mattress having different hardness and elasticity corresponding to body parts which can reduce the electromyogram and improve the blood flow, maintain a good sleep, secure flexibility of the muscles, and maintain the ideal shape of the skeleton.

Modern lifestyles are due to rapid changes. Cervical and spinal diseases are rapidly increasing regardless of age, sex, and age, due to changes in transportation, self-driving, computer and mobile phone use, TV viewing, competitive study, It is because.

Therefore, to prevent and manage this exercise, pre-exercise pre-exercise, maintaining a good posture and back muscles to help strengthen the constant exercise, relaxation and stretching is recommended.

Keeping good posture for more than 20 minutes can put strain on the spine and surrounding tissues. Stretching for about 10 minutes every 50 minutes or stretching the neck and waist will help maintain a good posture.

Another alternative is the selection of bedding to help maintain a good posture during sleep.

Sleep is the act of keeping the same posture for the longest time. It is the development of a mattress that can relax the rigid back muscles and ligaments during the day, relax the pressed bone, and hold the shape of the skeleton. .

Therefore, a mattress having different hardness and elasticity for each region of the mattress is being actively developed in consideration of the body shape characteristics of each part of the human body.

As described above, when the hardness and elasticity of each region of the mattress are set differently according to the body shape of each part of the human body, the optimal EMG value can be maintained by ideally supporting the lumbar and thoracic flexures, , The heel off and the body pressure distribution of the thighs and calves and the body shape maintenance, it is possible not only to smoothly solve and correct the factors causing the musculoskeletal diseases caused by the wrong posture as well as the sleeping state, And relaxation of muscles during the day by releasing rigid muscles and ligaments during daytime through relaxation of muscular strength.

As shown in FIG. 1, a mattress having a different hardness and elasticity for each region in order to achieve the above-described effects is a mattress made of a single material of a polyurethane foam or a latex foam having the same hardness and elasticity, A plurality of grooves 11 having diameters different from each other are formed on the surface of the base 10 so that the hardness and elasticity of each region are set differently according to the diameter of the groove 11.

However, even if the grooves are formed, the hardness and elasticity of the material itself are the same, so that the difference in hardness and elasticity between the respective regions is very small, and when used for a long period of time, And the groove 11 is squeezed to fail to properly implement the function.

On the other hand, as another prior art of a mattress in which hardness and elasticity are set differently for each region, as shown in Fig. 2, Patent Document 1 discloses a mattress for supporting a human body, A plurality of independent elastomeric structures (11) arranged to have different hardnesses according to the divided zones of the mattress by distribution; A support body (12) of a structure of an independent elastic body for holding the structures of the independent elastic body at predetermined positions by having a plurality of holes into which the structures of the plurality of independent elastic bodies can be inserted and joined, respectively; And a surface layer (15) for receiving the structures of the independent elastic body (11) and the support body (12) of the independent elastic body structure, wherein the structure of the independent elastic body (11) And has a concave portion 11a so as to easily operate elastically in a vertical direction according to a load.

However, in the above-described conventional technique, a space is generated between the structures 11, and a separate structure is not filled in the space. Thus, the urethane sponge 13 There is a problem in that it is torn.

Patent Document 1: Korean Registered Patent Publication No. 10-0401331 'A mattress having different hardness and elasticity corresponding to a body part'

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a body member having different hardness and elasticity corresponding to body parts, It is an object of the present invention to provide a mattress having different hardness and elasticity in correspondence with a new type of body part which is capable of maintaining a good sleeping state, securing flexibility of muscles and maintaining the ideal shape of the skeleton.

Especially, it has the hardness and elasticity to match the musculoskeletal structure and physiological characteristics of six body parts as head and neck part, shoulder part, waist part, hip part, thigh part and calf part, And to provide a mattress having different hardness and elasticity in correspondence with a new type of body part which can realize a new type of body part.

According to an aspect of the present invention, there is provided an ultrasonic diagnostic apparatus comprising: an upper layer (20) formed of a thin single pad having a thickness less than a predetermined thickness deformed corresponding to a body part in contact with a body; A base layer (30) on which one surface (32) is placed on the ground and the other surface (34) is formed to correspond to deformation of the upper layer (20); An intermediate layer 40 which is located between the upper layer 20 and the base layer 30 and is composed of a plurality of unit members whose hardness and elasticity are different from each other according to a body part to disperse a load received from the upper layer 20 .

In the mattress having different hardness and elasticity corresponding to the body part according to the present invention, the middle layer 40 has the unit parts 41, 42 of the head and neck part, the shoulder part, the waist part, the hip part, the thigh part, The unit members 41, 42, 43, 44, 45, and 46 have different hardness and elasticity. The unit members 41, 42, 43, 44, 45,

In the mattress having different hardness and elasticity corresponding to the body part according to the present invention, the elasticity value of the unit member 41 constituting the head and neck part of the intermediate layer 40 is 3 to 10%, the unit of the shoulder part The elasticity value of the member 42 constituting the hip portion is 40 to 60%, the elasticity value of the hip member is 40 to 60%, the elasticity value of the hip member is 40 to 60% The elasticity value of the unit member 45 constituting the part of the calf is 15 to 25%, and the elasticity value of the unit member 46 constituting the calf part is 3 to 10%.

In the mattress having different hardness and elasticity corresponding to the body part according to the present invention, the middle layer 40 has a hardness of 15 to 30, a hardness of 15 to 30, The unit member 42 constituting the shoulder portion has a hardness of 30 to 38 for men and 33 to 41 for women. The unit member 43 constituting the waist portion has a hardness of 35 to 45 and the unit member 44 constituting the hip portion has a hardness of The unit member 45 constituting the thigh portion has a hardness of 35 to 45 and the unit member 46 constituting the calf portion has a hardness of 15 to 30.

In the mattress having different hardness and elasticity corresponding to the body part according to the present invention, the elasticity of the upper layer 20 is 3 to 10%, the hardness is 12 to 25 on the basis of the Asker F hardness meter, 30) is 20 to 60%, and the hardness is 40 to 60 on the basis of an Asuka F hardness meter.

As described above, according to the mattress having different hardness and elasticity corresponding to the body part according to the present invention, by forming the unit member having different hardness and elasticity corresponding to the body part, optimal body pressure distribution and body holding effect can be realized It can lower the EMG and improve the blood flow, and it has the effect of helping to maintain the sleeping, to secure the flexibility of the muscles, and to maintain the ideal shape of the skeleton.

1 and 2 are diagrams for explaining the prior art,
3 is a perspective view of a mattress having different hardness and elasticity corresponding to a body part according to a preferred embodiment of the present invention,
4 is a cross-sectional view of a mattress having different hardness and elasticity corresponding to a body part according to a preferred embodiment of the present invention,
5 to 7 are views showing the use state of a mattress having different hardness and elasticity corresponding to a body part according to a preferred embodiment of the present invention.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to FIGS. 3 to 7, and the same reference numerals are used for the components that perform the same functions in FIG. 3 to FIG. In the drawings and the detailed description, detailed description of specific elements and functions of elements not directly related to the technical features of the present invention will be omitted. .

3 to 7, a mattress 10 having different hardness and elasticity corresponding to a body part according to a preferred embodiment of the present invention includes an upper layer 20, a base layer 30, and an intermediate layer 40 . Here, the upper layer 20, the base layer 30, and the intermediate layer 40 are preferably made of a polyurethane foam material.

The upper layer 20 is deformed in correspondence with the body part for effective body pressure distribution to the part contacting the body part. At this time, the upper layer 20 is formed so as to cover the intermediate layer 40 having different hardness and elasticity. When the thickness is thicker than necessary, the intermediate layer 40 is insufficient in correspondence with the body shape maintenance due to the body part On the other hand, if it is thinner than necessary, the effect of pressure dispersion is lowered and it is inconvenient to use. Therefore, it is preferable that the thickness is 15 to 40 mm in the present invention.

The upper layer 20 has a ball rebound elasticity value of 3 to 10% and a hardness of 12 to 25 hardness based on an Ascert F hardness meter.

The base layer 30 is formed such that one side is placed on the ground and the other side is deformed according to the deformation of the upper layer, that is, the body pressure of the body part. The ball rebound elasticity value is 20 to 60% And a hardness of 40 to 60 hardness. Here, the ground refers to a stable place such as a floor, a frame of a bed, and the like.

The intermediate layer 40 is disposed between the upper layer 20 and the base layer 30 and includes a plurality of unit members 41, 42, 43, 44, 45, 46 formed to have different hardness and elasticity So as to disperse the load received from the upper layer 20.

The unit members 41, 42, 43, 44, 45 and 46 constituting the intermediate layer 40 are divided into head and neck parts, shoulder parts, waist parts, hip parts, thigh parts and calf parts, , 42, 43, 44, 45, 46 have different hardness and elasticity.

The unit member 41 constituting the head and neck portions has a ball rebound elasticity value of 3 to 10%, an ascender F hardness of 15 to 30, and a unit member 42 having a shoulder portion having a ball rebound elasticity value of 40 to 60% , The asperity F hardness is 30 to 38 for men, 33 to 41 for women and the unit member (43) for waist is balls rebound elasticity of 12 to 30%, asher F hardness of 35 to 45, The member 44 has a ball rebound elasticity value of 40 to 60%, an Asker F hardness of 33 to 41 for a man, 30 to 38 for a woman, a unit member 45 for a thigh portion has a ball rebound elasticity value of 15 to 25% The Asperger F hardness is 35 to 45, and the unit member 46 constituting the calf portion has an elasticity value of 3 to 10% and a hardness of 15 to 30.

The elasticity values of the upper layer 20, the base layer 30 and the middle layer 40 in the mattress 10 having different hardness and elasticity corresponding to the body part according to the preferred embodiment of the present invention are measured according to JIS K-6401, The cushion performance according to the K-6301 standard is measured and shown. In other words, measure the rebound by dropping the steel ball at a height of 460 mm and the specimen with an area of 100 X 100 mm or more and a thickness of 50 mm or more and both upper and lower sides parallel to each other. The measurement method is calculated by measuring the maximum rebound distance by free fall at a height of 460 mm. The measurement is performed through No. 3, and the calculated values are as follows.

Calculated value

(Where R: tan (%), D0: falling distance 460 mm, D1:

It is preferable to calculate the elasticity values of the upper layer 20, the base layer 30 and the middle layer 40 in the mattress 10 of the present invention in the manner as described above. It will be possible.

A test to measure the rebound height of a steel ball by falling a steel ball according to ASTM D-3574, including a transparent vertical plastic tube with an inner diameter of 38 mm and a steel ball with a diameter of 16 mm (16.3 g) Of 100 X 100 mm or more and a thickness of 50 mm or more. The measurement is made by measuring the rebound distance by dropping the steel ball. The measurement is made through No. 3, and the steel ball fitted to the plastic tube wall is measured again.

On the other hand, the unit members 41, 42, 43, 44, 45, and 46 of the head and neck, shoulder, waist, hip, thigh, and calf portions are formed differently in hardness and elasticity, Or by sequential or simultaneous foaming.

As shown in FIG. 5, when the middle layer 40 is composed of the unit members 41, 42, 43, 44, 45 and 46 so that the hardness and the elasticity are different from each other according to the body part, And the shoulder portion can minimize the resistance due to the backlash. In addition, the waist portion maintains the same stability as the respiration rate to maintain a stable body pressure, and the hip portion can minimize the resistance to the backrest as the shoulder portion. In addition, the thigh part can relieve the tension of the spinal muscles, and the calf part can disperse the body pressure. As shown in FIG. 6, the vertebra line may be formed in a straight line so that the vertebra can be formed correctly.

The mattress 10 having different hardness and elasticity corresponding to the body part according to the preferred embodiment of the present invention having such a configuration has a dimension (average) according to the height (height) or sex Or customized according to the individual's height and body condition. In addition, when the present invention is applied to a bed used by a couple, the intermediate layer may be formed differently according to the gender based on the center side as shown in FIG.

The mattress 10 having different hardness and elasticity corresponding to the body part according to the preferred embodiment of the present invention is composed of an upper layer 20, an intermediate layer 40 and a base layer 30, and a cover (not shown) You will be able to use it.

When the hardness and elasticity of the mattress according to the body shape of the human body are set differently according to the body shape of the body, it is possible not only to smoothly solve and correct the factors causing musculoskeletal diseases caused by the wrong attitude, , It is possible to relax the muscles and ligaments during the day by maintaining the optimal pressure distribution and the EMG value as described above, and to relax the muscular flexibility by loosening the skeleton pressed during the daytime.

As described above, according to the mattress 10 having different hardness and elasticity corresponding to the body part according to the present invention, the unit members 41, 42, 43, 44, 45, 46), it is possible to reduce the electromyogram and improve the blood flow by implementing the optimum body pressure dispersion and body shape retention effect, and it is effective to maintain the sleepiness, secure the flexibility of the muscles, and maintain the ideal shape of the skeleton.

Although the mattress having different hardness and elasticity in accordance with the body part according to the preferred embodiment of the present invention has been described above with reference to the above description and drawings, it is merely an example of the invention, and the technical idea of the present invention is not limited thereto. It will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention.

10: Mattress with different hardness and elasticity corresponding to body part
20: upper layer 30: base layer
40: intermediate layer 41, 42, 43, 44, 45, 46:

Claims

An upper layer 20 made of a thin single pad having a thickness equal to or less than a set thickness deformed corresponding to a body part in contact with the body;
A base layer (30) on which one surface (32) is placed on the ground and the other surface (34) is formed to correspond to deformation of the upper layer (20);
An intermediate layer 40 which is located between the upper layer 20 and the base layer 30 and is composed of a plurality of unit members whose hardness and elasticity are different from each other according to a body part to disperse a load received from the upper layer 20 Wherein the mattress has a different hardness and elasticity corresponding to the body part.

The method according to claim 1,
The intermediate layer 40 is divided into unit parts 41, 42, 43, 44, 45, 46 of head and neck parts, shoulder part, waist part, hip part, thigh part and calf part, , 42, 43, 44, 45, 46) have different hardness and elasticity, and have different hardness and elasticity corresponding to the body part.

3. The method of claim 2,
Elasticity values of the unit member 41 constituting the head and neck portions of the intermediate layer 40 are 3 to 10%, elasticity values of the unit member 42 constituting the shoulder portion 40 to 60% The elasticity value of the unit member 44 constituting the hip portion is 40 to 60%, the elasticity value of the unit member 45 constituting the thigh portion is 15 to 25%, the calf portion 43 has the elasticity value of 12 to 30% Wherein the elasticity of the unit member (46) is 3 to 10%.

The method of claim 3,
In the middle layer 40, the unit member 41 constituting the head and neck portion with reference to the Asuka F hardness meter has a hardness of 15 to 30, the unit member 42 constituting the shoulder portion has a hardness of 30 to 38, 41, a unit member 43 having a hardness of 35 to 45 and a hip member 44 having a hardness of 33 to 41, a female 30 to 38, a unit member 45 having a thigh portion, Characterized in that the unit member (46) having a hardness of 35 to 45 and a calf portion has a hardness of 15 to 30 has a different hardness and elasticity in correspondence to a body part.

The method according to claim 1,
The elasticity of the upper layer 20 is 3 to 10%, the hardness of the upper layer 20 is 12 to 25,
Wherein the base layer (30) has an elasticity value of 20 to 60% and a hardness of 40 to 60 on the basis of a Asker F hardness meter. The mattress has different hardness and elasticity corresponding to the body part.