KR20230115585A - Sofa with memory foam cushion module - Google Patents

Abstract

The present invention, as cotton (filler) of polyester material and cushion material of memory foam material are combined to form a 'cushion core material' having 'cushion force', so as to improve elastic cushioning force;
a base pad made of sponge; a plurality of cushion bodies having a cushion core material formed by stacking and arranging on top of the base pad and filling the inside of cotton with cushion materials made of foamed 'three-dimensional objects' and a cushion outer shell accommodating the cushion core material therein; In a sofa applied with a memory foam cushion module including; a cushion module having a module shell in which the base pad and the cushion bodies are accommodated; The cushion materials are made of memory foam, and are each foamed with a hard memory foam material (HM) having a high density during foaming and a soft memory foam material (SM) having a lower density than the hard memory foam material (HM). A foam material forming step (S100) of forming foam materials; A press foam molding step (S200) of press-processing the foam material formed through the foam material forming step (S100) to form a polyhedral or spherical 'three-dimensional object'; memory foam cushion formed through a process including A sofa with modules is provided.

Description

Sofa with memory foam cushion module {Sofa with memory foam cushion module}

In the present invention, a sofa designed to secure structural stability by improving seating comfort for a cushion module having cushioning force to increase usability, and to prevent damage such as partial subsidence and loss of cushioning force even when used for a long time through improved restoring force. It is about.

Specifically, 'polyhedron' made of 'memory foam' and 'cushion material' formed in the shape of a 'sphere' are combined to form an air layer between each other, so that ventilation is smooth. The present invention relates to a sofa to which a memory foam cushion module is applied so as to easily discharge moisture such as sweat to increase health and hygiene.

More specifically, cotton (filler) of polyester material and cushion material of memory foam material are combined at a ratio of about 6: 4 to form a 'cushion core material' having 'cushion power', elastic cushioning power The present invention relates to a sofa to which a memory foam cushion module is applied so that structural stability can be secured by improving the deformation damage even when used for a long time.

In general, a sofa is one of the resting seats for users to sit and relax, and is usually a long type of seat where users sit, and the size for 2 to 4 people is normal, but there are also 2 to 3 people for 2 people and 2 to 3 people for 1 person. , It has been used as a means for the user to promote comfortable rest in a stable posture.

These sofas include seatbacks and seat cushions that are assembled by being mounted on a 'frame structure' composed of a backrest and a cushion rest, and armrests positioned on both sides of the seat cushion.

In such a sofa, the elastic force of the cushion material that endures the pressure caused by the weight of the seated person and the restoring force that restores the cushion material to its original state when the pressure is released must work together.

However, the elastic force of the cushion material has a problem in that, as elasticity and restoration are repeated, the original elastic force of the cushion material cannot be exhibited, and thus the cushion material cannot function as a cushion.

Accordingly, in recent years, various configurations not only provide a comfortable seating feeling to the user, but also adjust and provide cushion elasticity according to the physical condition of the seated person, and are provided through cushion materials made of eco-friendly compositions so that the user does not feel foreign body or discomfort. of sofas are being proposed.

One of them is Korean Patent Application No. 10-2017-0092964 (Name: Functional cushion sofa with replaceable cushions/2017.07.21.), and as known in the gazette, there is a backrest that supports the back of a seated person. A sofa body having a seat for supporting the buttocks and hips; A cushion cover mounted on any one of the backrest and the seat plate, containing an eco-friendly composition, and providing a cushioning feeling, and a cushion cover including a receiving part in which the cushion foam is built and an opening and closing part for opening and closing the receiving part. A sofa including a cushion is described.

And in Korea Patent Application No. 10-2016-0052432 (name: Sofa with elastic reinforcing member / 2016.04.28.), as known in the publication, a housing formed as a polyhedron through metal or wood, the housing Arranged at the upper end to provide elasticity, the first spring formed continuously in an S-shape and arranged to cross the top of the first spring, both ends of which are installed in the housing through fastening means, made of rubber or latex material having self-elasticity A sofa including an elastic reinforcing member including an elastic belt is described.

On the other hand, in Korean Patent Application No. 10-2012-0017488 (name: seat cushion for sofa/February 21, 2012), as is known in the publication, a cushion material having a predetermined thickness forms a six-sided shape with slopes and upper and lower surfaces. a cushion member forming a predetermined space therein; a flooring material located on the inner bottom surface of the cushion member to support a predetermined force during compression; pocket springs configured to be upright on the upper surface of the flooring material and arranged in the inner space of the cushion member; A seat cushion made of a cover covering the entire surface of the floor material and a cushion member incorporating a pocket spring is described.

In addition, in Korean Utility Model Application No. 20-2006-0003089 (name: sofa cushion/2006.02.03.), as known in the publication, an outer cover disposed on the frame of a sofa and formed in a certain shape, and the above A first cushion member made of a soft material at the same time as being inserted into the inside of the outer cover, a second cushion member made of a hard material while being laminated on top or bottom of the first cushion member, and an interior covering the first and second cushion members A cushion made of a cover is described.

Korean Patent Application No. 10-2017-0092964 (2017.07.21.) Korean Patent Application No. 10-2016-0052432 (2016.04.28.) Korean Patent Application No. 10-2012-0017488 (2012.02.21.) Korean Utility Model Application No. 20-2006-0003089 (2006.02.03.)

However, the conventional sofas and sofa cushions as described above have problems such as partial subsidence and loss of cushion power due to damage to the cushion material when used for a long time, and poor quality of use.

In addition, there is a problem in that the structural stability of the cushion material is deteriorated and the ventilation property is deteriorated, thereby deteriorating health and hygiene.

The present invention has been proposed to solve the above conventional problems, and an object of the present invention is to increase usability by improving the seating comfort for a cushion module having cushioning force, and also to increase use even when used for a long time through improved restoring force. It is designed to secure structural stability by preventing damage such as partial subsidence and loss of cushioning force, and a combination of 'polyhedral' made of 'memory foam' and 'cushion material' formed in the shape of a 'sphere'. As the air layer is formed between each other while forming, ventilation is performed smoothly, and moisture such as sweat is easily discharged, thereby providing a sofa to which a memory foam cushion module is applied to increase health and hygiene .

Another object of the present invention is to form a 'cushion core material' having 'cushion force' by combining cotton (filler) of polyester material and cushion material of memory foam material in a ratio of about 6: 4, thereby providing elasticity. It is an object of the present invention to provide a sofa to which a memory foam cushion module is applied so that structural stability can be secured as the cushioning force is improved and the deformation damage is small even when used for a long time.

A sofa to which the memory foam cushion module according to the present invention is applied for achieving the object of the present invention as described above includes a base pad made of sponge; a plurality of cushion bodies having a cushion core material formed by stacking and arranging on top of the base pad and filling the inside of cotton with cushion materials made of foamed 'three-dimensional objects' and a cushion outer shell accommodating the cushion core material therein; In a sofa applied with a memory foam cushion module including; a cushion module having a module shell in which the base pad and the cushion bodies are accommodated; The cushion materials are made of memory foam, and are each foamed with a hard memory foam material (HM) having a high density during foaming and a soft memory foam material (SM) having a lower density than the hard memory foam material (HM). A foam material forming step (S100) of forming foam materials; It is characterized in that it is formed through a process including do.

The sofa to which the memory foam cushion module according to the present invention is applied as described above elastically supports the seated person through the cushion restoring force of the cushion module based on the memory foam having a relatively large elastic restoring force, and foam particles made of the memory foam. Cushion materials made of a combination of hard memory foam material (HM) and soft memory foam material (SM) and cushion core material formed by combining cotton improve seating comfort, as well as through elastic restoring force tailored to the body. It has the effect of increasing the quality of use.

In addition, through the improved elastic restoring power of cushion materials made of a combination of hard memory foam material (HM) and soft memory foam material (SM), structural stability is ensured by preventing damage such as partial subsidence and loss of cushion force even when used for a long time. have an effect

In addition, as 'air holes' are formed inside the cushion module through the gaps between the particles formed in the shape of 'polyhedron' and 'sphere' made of memory foam, ventilation is smoothly achieved, so that the seated person's heat and sweat is discharged smoothly, which has the effect of improving health and hygiene.

1 is a schematic perspective illustration showing a sofa to which a memory foam cushion module according to an embodiment of the present invention is applied.
2 is a schematic exploded perspective view showing a cushion module constituting a sofa to which a memory foam cushion module according to the present embodiment is applied;
Figure 3 is a schematic perspective illustration showing a cushion module constituting a sofa to which the memory foam cushion module according to the present embodiment is applied.
4 is a schematic cross-sectional view showing a cushion module constituting a sofa to which a memory foam cushion module according to the present embodiment is applied.
5 is a schematic exploded perspective view showing a cushion body forming a cushion module constituting a sofa to which a memory foam cushion module according to the present embodiment is applied;
6 is a schematic cross-sectional view showing a cushion body forming a cushion module constituting a sofa to which a memory foam cushion module according to the present embodiment is applied.
7 is a schematic illustration showing a manufacturing process of a cushion material forming a cushion body constituting a sofa to which a memory foam cushion module according to the present embodiment is applied.
8 and 9 are schematic views showing various examples of cushion materials forming a cushion body constituting a sofa to which a memory foam cushion module according to the present embodiment is applied.

Hereinafter, a sofa to which a memory foam cushion module according to a preferred embodiment according to the present invention is applied will be described in detail with reference to the accompanying drawings.

Embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the examples described in detail below. This embodiment is provided to more completely explain the present invention to those skilled in the art. Therefore, the shapes of elements in the drawings may be exaggerated to emphasize a clearer explanation. It should be noted that in each drawing, the same members are sometimes indicated by the same reference numerals. Detailed descriptions of well-known functions and configurations that may unnecessarily obscure the subject matter of the present invention are omitted.

1 to 9 are views showing a sofa 1 to which a memory foam cushion module according to an embodiment of the present invention is applied, and in the sofa 1 to which a memory foam cushion module according to this embodiment is applied, an elastic cushion The cushion module 10 having force may be suitably applied to a seat, a backrest, a sofa pillow, or the like of a sofa to form the sofa 1.

That is, the cushion module provided to support the floor in a general sofa 1 and installed in the seat 11, backrest 12, and pillow 13 formed to support the hip, back, and head, respectively, when the user is seated Through (10), a comfortable rest is promoted while elastically supporting the hip, back and head of the seated person, respectively.

At this time, it is suitable for improving structural stability and quality of use by realizing elastic support that is tailored to each of the different elastic support forces that are elastically supported while each part (hip, back, head) is in contact with the body while the user is seated. can be applied

In the sofa 1 to which the memory foam cushion module according to this embodiment is applied, the cushion module 10 is made of memory foam as a material and the cushion material 311 made of a 'three-dimensional object' formed by foaming is composed of cotton 312. a cushion core material 31 formed by being mixed while being filled therein; A cushion body 3 having a cushion shell 32 in which the cushion core material 31 is accommodated is provided.

That is, an elastic supporting force may be provided to the user through the cushion core material 31 formed by a combination of the cushion material 311 and the cotton 312 .

At this time, the flow and movement of the cushion materials 311 are made through the 'air holes' formed through the gaps between the cushion materials 311 inside the cotton 312, so that they can be elastically supported by the applied load. At this time, a stable elastic support force is formed for the local area.

In addition, the restoration to the original position is smoothly performed through the improved elastic restoring force of the memory foam, so that even if used for a long time, structural stability can be secured due to small deformation and damage to elastic force.

In the above, the cotton 312 may be made of 'fiber' of a 'polyester' material, and is preferably applied appropriately according to the user's selection.

In the above, the cushion material 311 can be formed by molding and cutting the 'foam material' 100 formed by foaming the memory foam in a predetermined mold (not shown) into polyhedral or spherical 'particles'. , it is desirable to be suitably applied according to the user's selection.

At this time, the cushion materials 311 are foamed and formed of a hard memory foam material (HM) having a high density and a soft memory foam material (SM) having a lower density than the hard memory foam material (HM) when foaming the memory foam. A foam material forming step (S100) of forming each of the foam materials 100; A press foam molding step (S200) of press-processing the foam materials 100 formed through the foam material forming step (S100) into polyhedral and spherical 'three-dimensional objects'; Formed through a process including It can be.

That is, the foam materials 100 may be made of the hard memory foam material (HM) and the soft memory foam material (SM).

In the above, the cushion core material 31 is 60% by weight of the cotton 312 made of polyester; The cushion material 311 may be made in a mixing ratio of 40% by weight; The mixing ratio of the cotton 312 and the cushion material 311 is tailored to the parts applied to the sofa 1 (seat 11, backrest 12, pillow 13) and can be suitably applied as; It is preferable to suitably apply according to the user's selection.

In the above, the hard memory foam material (HM) may be applied to the cushion module 10 to elastically support the user's buttocks by being mixed with the seat 11 in the sofa 1 at a high ratio.

In the above, the soft memory foam material (SM) may be mixed with a high ratio in the backrest 12 and the pillow 13 of the sofa 1 to elastically support the user's back and head, respectively.

At this time, the mixing ratios of the hard memory foam material (HM) and the soft memory foam material (SM) applied to the seat 11, the backrest 12, and the pillow 13 are selected by the user. It is preferable to apply suitably according to.

Accordingly, as the elastic support force customized for each body part of the seated person sitting on the sofa 1 to which the memory foam cushion module according to the present embodiment is applied is applied, a comfortable seating feeling is formed and the quality of use is improved. this can be improved.

In the sofa 1 to which the memory foam cushion module according to the present embodiment is applied, the cushion module 10 includes a base pad 2 made of 'sponge'; a plurality of cushion bodies 3 stacked and arranged on top of the base pad 2; It includes a module shell 4 in which the base pad 2 and the cushion body 3 are accommodated.

That is, the plurality of cushion bodies 3 are accommodated and fixed inside the module shell 4 in a state in which they maintain a stable posture without leaving their randomly arranged positions through the base pad 2.

At this time, a plurality of cushion bodies 3 are arranged in contact with each other inside the module shell 4 to form a separate elastic supporting force, so that the elastic supporting force of the other cushion bodies 3 is not damaged.

Accordingly, the cushion body 3 whose elastic bearing capacity is damaged due to excessive use during use can be used while maintaining the overall elastic bearing capacity stably while replacing the cushion body 3 with another cushion body 3 having a stable elastic bearing capacity. this can be maximized.

In the sofa 1 to which the memory foam cushion module according to the present embodiment is applied, the base pad 2 includes a central portion 21 supporting bottom surfaces of the cushion bodies 3; Extension pieces 22 extending outward from each rim of the central portion 21 to surround and protect the outer surfaces of the cushion bodies 3 when bent.

That is, in a state in which a plurality of cushion bodies 3 are arranged in the central portion 21, the extension pieces 22 may be bent while wrapping and supporting outer surfaces of the cushion bodies 3, respectively.

Accordingly, it is possible to prevent the plurality of cushion bodies 3 from being separated or separated from the base pad 2 without permission, and to stably maintain the disposed state.

Therefore, structural stability of the cushion module 10 may be secured.

In the sofa 1 to which the memory foam cushion module according to the present embodiment made as described above is applied, the manufacturing process of manufacturing the cushion module 10 will be described in detail.

First, the foam material forming step (S100) of forming the foam material 100 by foaming memory foam in a separately provided foam mold (not shown) is performed.

At this time, the foam material 100 is formed by selectively manufacturing the hard memory foam material (HM) and the soft memory foam foam material (SM).

In the above, the foaming mold is preferably applied suitably according to the user's selection in configurations and structures to which conventionally known techniques are applied.

In addition, the foam material 100 formed through the foam material forming step (S100) is press-processed into a polyhedral (hexahedron, tetrahedron, etc.) shape and sphere (circular sphere, elliptical sphere) shape, etc. Molding into 'three-dimensional objects' Thus, the cushion material 311 is formed.

At this time, the cushion material 311 may have a space occupancy size of '2cm×2cm×2cm'; The size is preferably applied appropriately according to the user's selection.

In addition, the cushion core material 31 is formed by mixing the cotton 312 manufactured and provided separately with the cushion material 311, and then the cushion core material ( 31) is filled and sealed against the outside to form the cushion body 3.

In the above, the cushion shell 32 can be suitably applied according to the user's selection among configurations and structures to which conventionally known technologies are applied, and is preferably made of a material and structure having 'breathability'.

In addition, in a state in which a plurality of cushion bodies 3 are stacked and arranged on the base pad 2, which is separately manufactured and provided, the cushion body 3 and the base pad are placed inside the module shell 4, which is separately prepared. When (2) is closed to the outside while receiving, the cushion module 10 is formed.

In the above, it is preferable that the base pad 2 and the module shell 4 are selected and appropriately applied by a user from configurations and manufacturing processes to which conventionally known technologies are applied.

The cushion module 10 formed in this way is applied to the seat 11, the backrest 12, and the pillow 13 of the sofa 1, respectively, and the sofa to which the memory foam cushion module according to the present embodiment is applied ( 1) will be produced.

As described above, the sofa 1 to which the memory foam cushion module according to the present embodiment is applied includes the cushion material 311 made of foam particles made of memory foam and the cotton 312 made of polyester In addition to increasing usability by improving seating comfort through the cushion core material 31 made by mixing, and ensuring structural stability by preventing damage such as partial subsidence and loss of cushion force even when used for a long time through improved restoring force It is characterized by technical composition.

One embodiment of the present invention described above is only exemplary, and those skilled in the art will appreciate that various modifications and equivalent other embodiments are possible therefrom. . Therefore, it will be well understood that the present invention is not limited to the forms mentioned in the detailed description above. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims. It is also to be understood that the present invention includes all modifications, equivalents and alternatives within the spirit and scope of the present invention as defined by the appended claims.

1 : sofa
10: cushion module 11: seat
12: backrest 13: pillow
2: base pad 21: center
22: extension piece 3: cushion body
31: cushion core material 311: cushion material
312: cotton 32: cushion shell
4: module shell 100: foam material
HM: Hard memory foam material SM: Soft foam material

Claims (1)

a base pad made of sponge; a plurality of cushion bodies having a cushion core material formed by stacking and arranging on top of the base pad and filling the inside of cotton with cushion materials made of foamed 'three-dimensional objects' and a cushion outer shell accommodating the cushion core material therein; In a sofa applied with a memory foam cushion module including; a cushion module having a module shell in which the base pad and the cushion bodies are accommodated;
The cushion materials,
It is made of memory foam, and forms each foam material formed by foaming a hard memory foam material (HM) having a high density during foaming and a soft memory foam material (SM) having a lower density than the hard memory foam material (HM). A foam material forming step (S100);
It is characterized in that it is formed through a process including A sofa with a memory foam cushion module.

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