CN113995264A

CN113995264A - Foam sofa

Info

Publication number: CN113995264A
Application number: CN202111323664.8A
Authority: CN
Inventors: 叶永珍
Original assignee: Haitai Oulin Group South China Co Ltd
Current assignee: Haitai Oulin Group South China Co Ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-02-01

Abstract

The invention belongs to the technical field of sofa structures, and particularly discloses a foam sofa. Wherein the foam sofa comprises a cushion and a backrest; the cushion is provided with a cushion frame, a first supporting spring layer, a first filling layer and a first cushion layer; the first filling layer is provided with a first supporting cushion block and a first rebound cushion block; the backrest is provided with a connecting frame, a backrest frame, a second supporting spring layer, a second filling layer and a second cushion layer; the second filling layer is provided with a second rebound cushion block and a second supporting cushion block; the second supporting cushion block is positioned at the rear side edge of the upper side surface of the backrest frame; the second cushion layer coats the second filling layer and the rear side face of the backrest frame. The first cushion supporting blocks can enable the first cushion layer of the cushion and the outer skin or the cloth cover of the cushion to be quickly restored to the original state, prevent the outer skin or the cloth cover from wrinkling and ensure the attractive appearance of the cushion; in a similar way, the second cushion layer can be tensioned and reset backwards and upwards by the second supporting cushion block, so that the outer skin or the cloth cover of the backrest is prevented from wrinkling, and the use experience of a user is improved.

Description

Foam sofa

Technical Field

The invention relates to the technical field of sofa structures, in particular to a foam sofa.

Background

The sofa generally comprises a cushion and a back cushion, wherein the cushion or the back cushion has the same hardness; if the cushion or the back cushion adopts hard foam cotton with the Shore hardness of 55HA to 60HA, a user feels uncomfortable when sitting on the cushion or the back cushion; if the cushion or the back cushion adopts soft foam with the Shore hardness of 20HA to 30HA, the cushion and the back cushion easily lose elasticity and generate irreversible plastic deformation, the middle part of the sofa collapses, and the deformed soft foam cannot support the outer skin of the cushion or the back cushion, so that the outer skin of the sofa wrinkles and the appearance of the sofa is influenced.

Disclosure of Invention

The purpose of the invention is: the utility model provides a foam sofa, which aims to solve the technical problems that the deformed soft foam cannot support the outer skin of a cushion or a back cushion, the outer skin of the sofa is wrinkled and the appearance of the sofa is influenced in the prior art.

In order to achieve the above object, the present invention provides a foam sofa, comprising:

the cushion is provided with a cushion frame, a first supporting spring layer, a first filling layer and a first cushion layer; the first supporting spring layer is arranged on the upper side surface of the cushion frame; the first filling layer is arranged on the upper side face of the first supporting spring layer; the first filling layer is provided with a first supporting cushion block and a first rebound cushion block positioned at the rear side of the first supporting cushion block; the first cushion layer coats the front side face of the cushion frame and the first filling layer;

the backrest is provided with a connecting frame arranged at the rear side of the cushion frame, a backrest frame arranged at the upper side of the connecting frame, a second supporting spring layer, a second filling layer and a second cushion layer; the backrest frame protrudes out of the upper side surface of the seat cushion; the second supporting spring layer is laid on the front side face of the backrest frame, and the second filling layer is laid on the upper side face of the backrest frame and the front side face of the second supporting spring layer; the second filling layer is provided with a second rebound cushion block and a second supporting cushion block; the second supporting cushion block is positioned at the rear side edge of the upper side surface of the backrest frame; the second cushion layer coats the second filling layer and the rear side face of the backrest frame.

Preferably, the middle part of the first supporting spring layer is arched upwards, and the edges of the front side and the rear side of the first supporting spring layer are connected with the cushion frame.

Preferably, the cross section of the first supporting cushion block is triangular and forms a triangular supporting cushion block, the bottom surface of the first supporting cushion block is abutted to the first supporting spring layer, the front side surface of the first supporting cushion block is abutted to the first cushion layer, and the rear side surface of the first supporting cushion block is abutted to the first resilient cushion block.

Preferably, the top front side of the first supporting cushion block is provided with a first arc-shaped surface.

Preferably, the cross section of the second supporting cushion block is triangular and forms a triangular supporting cushion block, the bottom surface of the second supporting cushion block is abutted to the upper side surface of the backrest frame, the front side surface of the second supporting cushion block is abutted to the second rebound cushion block, and the rear side surface of the triangular supporting cushion block is abutted to the second cushion layer.

Preferably, a second arc-shaped surface is arranged on the rear side of the top of the second supporting cushion block.

Preferably, the second cushion layer covers a rear side of the connection frame.

Preferably, the foam sofa further comprises: two armrests; the two handrails are respectively arranged on the left side and the right side of the cushion.

Preferably, the foam sofa further comprises: a foot rest for supporting the seat cushion and the backrest; the foot support frame is provided with a plurality of support legs, and the foot support frame is arranged at the bottoms of the seat cushion and the backrest.

Preferably, the first cushion layer and the second cushion layer are both made of foam with the Shore hardness of 25 HA-35 HA; the first supporting cushion block and the second supporting cushion block are both foam parts with Shore hardness of 65 HA-75 HA; the first rebound cushion block and the second rebound cushion block are both foam products with Shore hardness of 55 HA-65 HA.

The foam sofa provided by the invention has the beneficial effects that: the cushion is characterized in that a first filling layer is laid on the upper side face of a first supporting spring layer, the first filling layer is provided with a first supporting cushion block and a first resilience cushion block, the first supporting cushion block is positioned on the front side of the cushion and used for supporting a first soft cushion layer covering a cushion frame and the first filling layer, and after the first soft cushion layer collapses downwards and deforms, the first supporting cushion block can quickly rebound the first soft cushion layer upwards to the original position, so that the first soft cushion layer of the cushion and a sheath or a cloth cover of the cushion can quickly restore to the original state, the sheath or the cloth cover is prevented from wrinkling, and the attractiveness of the cushion is guaranteed; the second cushion is supported by the second supporting cushion block and the second resilience cushion block, the second supporting cushion block is positioned on the rear side of the top end of the backrest frame, and when the second cushion collapses backwards and deforms, the second cushion is tensioned upwards and returns backwards by the second supporting cushion block, so that the outer skin or the cloth cover of the backrest is restored to the original state, and the outer skin or the cloth cover of the backrest is prevented from wrinkling; because the user all contacts first cushion layer or second cushion layer when the sofa is sat to lying, sits to feel soft, uses comfortablely, promotes user's use and experiences.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a schematic sectional view of a foam sofa according to an embodiment of the present invention;

FIG. 2 is an exploded view of the supporting leg of the foam sofa according to the embodiment of the present invention;

fig. 3 is a schematic structural view of the foam sofa according to the embodiment of the present invention.

In the figure, 100, a seat cushion; 110. a cushion frame; 120. a first support spring layer; 130. a first filling layer; 131. a first bolster block; 132. a first resilient pad; 133. a first arc-shaped surface; 140. a first cushion layer; 200. a backrest; 210. a connecting frame; 220. a backrest frame; 230. a second support spring layer; 240. a second filling layer; 241. a second bolster block; 242. a second resilient pad; 243. a second arcuate surface; 250. a second cushion layer; 300. a handrail; 400. a foot rest; 410. and (3) a support leg.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 3 together, a vehicle chassis according to an embodiment of the present invention will now be described.

As shown in fig. 1, the foam sofa according to the embodiment of the present invention includes a cushion 100 and a backrest 200; the seat cushion 100 has a cushion frame 110, a first supporting spring layer 120, a first filling layer 130, and a first cushion layer 140; the first supporting spring layer 120 is disposed on the upper side of the cushion frame 110 to support the weight of the human body; the first filling layer 130 is disposed on the upper side of the first supporting spring layer 120; the first filling layer 130 has a first supporting pad 131 and a first resilient pad 132 located at the rear side of the first supporting pad 131; the first cushion layer 140 covers the front side surface of the cushion frame 110 and the first filling layer 130;

the backrest 200 has a link frame 210 provided at the rear side of the cushion frame 110, a backrest frame 220 provided at the upper side of the link frame 210, a second support spring layer 230, a second filling layer 240, and a second cushion layer 250; the backrest frame 220 protrudes from the upper side surface of the seat cushion 100; the second supporting spring layer 230 is laid on the front side of the back frame 220 to support the weight of the human body; the second filling layer 240 is laid on the upper side of the backrest frame 220 and the front side of the second supporting spring layer 230; the second packing layer 240 has a second rebound pad 242 and a second heel pad 241; the second prop block 241 is located at a rear edge of the upper side of the back frame 220; the second cushion layer 250 covers the second filling layer 240 and the rear side of the back frame 220.

After the first cushion layer 140 covers the cushion frame 110 and the first filling layer 130, the whole cushion 100 needs to be covered by an outer skin or a cloth cover to cover the whole first cushion layer 140, so that the first cushion layer 140, the first filling layer 130, the first supporting spring layer 120 and the cushion frame 110 are integrated into a whole, and the appearance of the cushion 100 is ensured. Similarly, after the second cushion layer 250 covers the second filling layer 240 and the rear side of the backrest frame 220, the whole backrest 200 needs to be covered by using an outer skin or a cloth cover to cover the whole second cushion layer 250, so that the second cushion layer 250, the second filling layer 240, the second supporting spring layer 230, the backrest frame 220 and the connecting frame 210 are integrated into a whole, and the backrest 200 is ensured to be beautiful.

First supporting pad 131 is located the front end of first filling layer 130, make first supporting pad 131 set up the front side at first supporting spring layer 120 and cushion frame 110, first supporting pad 131 is located the seat front of cushion 100 promptly, play the supporting role, it supports first cushion layer 140 in cooperation first resilience cushion 132, then first cushion layer 140 sinks down and takes place the deformation back, first supporting pad 131 can upwards kick-back first cushion layer 140 to the normal position fast, make the first cushion layer 140 of cushion 100 and the crust or the cloth cover of cushion 100 restore the original state fast, prevent that crust or cloth cover from wrinkling, guarantee that cushion 100 is pleasing to the eye. Similarly, the second cushion layer 250 is supported by the second cushion support 241 and the second rebound cushion 242, and the second cushion support 241 is located at the rear side of the top end of the backrest frame 220 to act as a straightening of the second cushion layer 250 and the outer skin or cloth cover of the backrest 200. When the second cushion layer 250 is deformed due to backward collapse, the second cushion pad 241 pulls the second cushion layer 250 upward backward to restore, so that the outer skin or cloth cover of the backrest 200 is restored to its original shape, and the outer skin or cloth cover is prevented from wrinkling.

Because the first cushion layer 140 covers the front side surface of the cushion frame 110 and the first filling layer 130, and the second cushion layer 250 covers the second filling layer 240 and the rear side surface of the backrest frame 220, when a user lies down and sits on the sofa, the user can contact the first cushion layer 140 or the second cushion layer 250, so that the sofa has soft sitting feeling and comfortable use, and the use experience of the user is improved.

The cushion 100 of the foam sofa of the embodiment is provided with a first filling layer 130 laid on the upper side surface of the first supporting spring layer 120, the first filling layer 130 is provided with a first supporting cushion block 131 and a first resilient cushion block 132, and the first supporting cushion block 131 is positioned on the front side of the cushion 100 to support the first cushion layer 140 covering the cushion frame 110 and the first filling layer 130, so that after the first cushion layer 140 collapses downwards and deforms, the first supporting cushion block 131 can rapidly rebound the first cushion layer 140 upwards to the original position, so that the first cushion layer 140 of the cushion 100 and the outer skin or cloth cover of the cushion 100 are rapidly restored to the original state, the outer skin or cloth cover is prevented from wrinkling, and the appearance of the cushion 100 is ensured; the second cushion layer 250 is supported by the second supporting cushion 241 and the second rebound cushion 242, the second supporting cushion 241 is located at the rear side of the top end of the backrest frame 220, and when the second cushion layer 250 collapses backwards and deforms, the second cushion layer 250 is tensioned backwards and upwards by the second supporting cushion 241 and returns, so that the outer skin or cloth cover of the backrest 200 is restored to the original state, and the outer skin or cloth cover of the backrest 200 is prevented from wrinkling; because the user all contacts first cushion layer 140 or second cushion layer 250 when lying and sitting the sofa, the sense of sitting is soft, uses comfortablely, promotes user's use and experiences.

In a preferred embodiment of the present invention, the first cushion layer 140 and the second cushion layer 250 are both made of foam with a shore hardness of 25HA to 35 HA; the first supporting cushion block 131 and the second supporting cushion block 241 are all foam products with the Shore hardness of 65 HA-75 HA; the first resilient cushion block 132 and the second resilient cushion block 242 are all made of foam with shore hardness of 55HA to 65 HA.

The following is a specification parameter table of the foam parts used in this example:

TABLE 1-1

The first cushion layer 140 and the second cushion layer 250 are soft foam cotton pieces with Shore hardness of 25HA to 35HA, the body feeling is soft, the containing feeling is good, and the sitting feeling of a user is comfortable; the first supporting cushion block 131 and the second supporting cushion block 241 are both hard foam products with the shore hardness of 65HA to 75HA, have higher hardness and better supporting effect, and can effectively help the outer skin or cloth cover of the cushion 100 and the backrest 200 to reset; first rebound cushion block 132 with second rebound cushion block 242 is shorea hardness 55HA to 65 HA's high resilience foam finished piece, and its resilience force is better, provides better elasticity for cushion 100 and back 200, and supplementary cushion 100 or back 200 kick-backs, promote user's experience.

In a preferred embodiment of the present invention, referring to fig. 1, the middle portion of the first supporting spring layer 120 is arched upward, and both front and rear side edges of the first supporting spring layer 120 are connected to the cushion frame 110. The first supporting spring layer 120 is composed of a plurality of S-shaped springs, and the middle portion thereof is arched upward to support the weight of the human body and prevent the cushion 100 from collapsing.

In a preferred embodiment of the present invention, referring to fig. 1, the cross section of the first supporting pad block 131 is triangular and forms a triangular supporting pad block, the bottom surface of the first supporting pad block 131 abuts against the first supporting spring layer 120, the front side surface of the first supporting pad block 131 abuts against the first cushion layer 140, and the rear side surface of the first supporting pad block 131 abuts against the first resilient pad block 132. The top of first lip block 131 is used for supporting the face skin of first cushion layer 140 and cushion 100, and its bottom offsets with first supporting spring layer 120 to fixed first lip block 131, the cross-section of first lip block 131 is triangle-shaped can reduce the area of contact of the top of first lip block 131 with first cushion layer 140, make the user sit on cushion 100 can mostly sit on first resilience cushion 132, improve user's comfort.

In a preferred embodiment of the present invention, referring to fig. 1, the top front side of the first lip block 131 is provided with a first arc-shaped surface 133. The first arc-shaped surface 133 supports the bending part of the first cushion layer 140, reduces the pressure of the first supporting cushion block 131 to the first cushion layer 140, prevents the first cushion layer 140 from being flattened, and prolongs the service life of the first cushion layer 140.

In a preferred embodiment of the present invention, referring to fig. 1, the cross section of the second bolster block 241 is triangular and forms a triangular bolster block, the bottom surface of the second bolster block 241 abuts against the upper side surface of the back frame 220, the front side surface of the second bolster block 241 abuts against the second rebound bolster 242, and the rear side surface of the triangular bolster block abuts against the second cushion layer 250. The top of the second cushion 241 is used for supporting the second cushion 250 and the cover of the seat cushion 100, and the bottom of the second cushion 241 is abutted against the upper side of the backrest frame 220, so that the second cushion 241 is fixed, the cross section of the second cushion 241 is triangular, the contact area between the top of the second cushion 241 and the second cushion 250 can be reduced, the harder area on the backrest 200 can be reduced, and the use is more comfortable.

In a preferred embodiment of the present invention, referring to fig. 1, the top rear side of the second lip block 241 is provided with a second arc-shaped surface 243. The second arc-shaped surface 243 supports the bent portion of the second cushion layer 250, reduces the pressure of the second support cushion block 241 on the second cushion layer 250, prevents the second cushion layer 250 from being flattened, and prolongs the service life of the second cushion layer 250.

In a preferred embodiment of the present invention, referring to fig. 1, the second cushion layer 250 covers the rear side surface of the connection frame 210, so that the outside of the connection frame 210 is also covered by the second cushion layer 250, which can reduce the impact between the connection frame 210 and the outside, protect the connection frame 210, and prevent the connection frame 210 from being exposed to the outside and collision.

In a preferred embodiment of the present invention, referring to fig. 2 and 3, the foam sofa further comprises: two armrests 300; the two armrests 300 are respectively disposed on the left and right sides of the seat cushion 100. The armrests 300 are disposed on both sides of the seat cushion 100, and a user sitting on the seat cushion 100 can place his or her hands on the armrests 300, which makes the use more comfortable.

In a preferred embodiment of the present invention, referring to fig. 2 and 3, the foam sofa further comprises: a foot rest 400 for supporting the seat cushion 100 and the backrest 200; the seat cushion 100 is connected with the backrest 200 through the connecting frame 210, the foot rest 400 has a plurality of feet 410, the upper part of the foot rest has a square frame, the foot rest 400 can be connected with the seat cushion 100 and the backrest 200, and the foot rest 400 is arranged at the bottom of the seat cushion 100 and the backrest 200. The foot rest 400 can raise the heights of the seat cushion 100 and the backrest 200, and is more beautiful and convenient to carry.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A foam sofa is characterized by comprising:

2. The foam sofa of claim 1, wherein: the middle part of the first supporting spring layer arches upwards, and the edges of the front side and the rear side of the first supporting spring layer are connected with the cushion frame.

3. The foam sofa of claim 1, wherein: the cross section of the first supporting cushion block is triangular and forms a triangular supporting cushion block, the bottom surface of the first supporting cushion block is abutted to the first supporting spring layer, the front side surface of the first supporting cushion block is abutted to the first soft cushion layer, and the rear side surface of the first supporting cushion block is abutted to the first rebound cushion block.

4. The foam sofa of claim 3, wherein: the top front side of the first supporting cushion block is provided with a first arc-shaped surface.

5. The foam sofa of claim 1, wherein: the cross section of the second supporting cushion block is triangular and forms a triangular supporting cushion block, the bottom surface of the second supporting cushion block is abutted to the upper side face of the backrest frame, the front side face of the second supporting cushion block is abutted to the second rebound cushion block, and the rear side face of the triangular supporting cushion block is abutted to the second cushion layer.

6. The foam sofa of claim 5, wherein: and a second arc-shaped surface is arranged on the rear side of the top of the second supporting cushion block.

7. The foam sofa of any of claims 1-6, wherein: the second cushion layer coats the rear side face of the connecting frame.

8. The foam sofa of any of claims 1-6, wherein: further comprising: two armrests; the two handrails are respectively arranged on the left side and the right side of the cushion.

9. The foam sofa of any of claims 1-6, wherein: further comprising: a foot rest for supporting the seat cushion and the backrest; the foot support frame is provided with a plurality of support legs, and the foot support frame is arranged at the bottoms of the seat cushion and the backrest.

10. The foam sofa of any of claims 1-6, wherein: the first cushion layer and the second cushion layer are both made of foam products with Shore hardness of 25 HA-35 HA; the first supporting cushion block and the second supporting cushion block are both foam parts with Shore hardness of 65 HA-75 HA; the first rebound cushion block and the second rebound cushion block are both foam products with Shore hardness of 55 HA-65 HA.