FOLDING SOFA

Abstract

This utility certificate relates to a folding sofa comprising a plurality of folding parts; each folding part comprises a seat frame, a backrest frame, a rotation locking member and a support; the seat frame and the backrest frame are rotatably connected, and the seat frame and the backrest frame are connected in a locked manner by the rotation locking member; the support is fixed inside the frame and inside the backrest frame; a plurality of first seat support legs are detachably provided under a first seat frame, and a plurality of second seat support legs are detachably provided under a second seat frame; a plurality of seat support legs are detachably provided between two adjacent seat frames; the backrest frame is provided with a plurality of backrest support legs for supporting the folding sofa for use as a bed.The folding sofa according to this utility certificate makes it possible to reduce the total surface area of the folding sofa as well as the surface area occupied by the packaging, to facilitate the storage of the packaging, and to save the packaging material.

Description

Title of the invention: FOLDING SOFA Technical field

[0001] This utility certificate relates to the technical field of sofas, and more particularly to a folding sofa. In particular, preferably it relates to a folding sofa with a single-layer iron tube structure. Technological background

[0002] A sofa is very common in homes, and the types of sofas are very varied. A folding sofa is one of them, this type of sofa can not only be used as a sofa, but also as a bed, which is very convenient.

[0003] In the relevant technology, a folding sofa comprises a seat frame, a backrest frame, a support (e.g., a spring), and a rotational locking member (e.g., a sofa bed ratchet hinge); the seat frame and the backrest frame are rotatably connected, and the seat frame and the backrest frame are lockedly connected by the rotational locking member, and the support is provided inside the seat frame and inside the backrest frame. A plurality of seat support legs are provided under the seat frame, and backrest support legs are provided behind the backrest frame.When the folding sofa is used as a normal sofa, the seat frame and the backrest frame are rotated so that a first predetermined angle (e.g. 90 degrees to 130 degrees) is formed therebetween, at which time they are locked by the rotation locking member and supported by the seat support legs to form a normal sofa, and a person can sit on a support for use. When the folding sofa is used as a bed, the seat frame and the backrest frame are rotated so that a second predetermined angle (e.g. 180 degrees) is formed therebetween, at which time they are locked by the rotation locking member and supported by the seat support legs and the folding support legs together to form a bed, and a person can lie on the support for use.

[0004] With regard to the technology presented above, the inventor believes that when the length of a folding sofa is large, for example when the length of the seat frame and the length of the backrest frame are large, the total area of ​​the folding sofa is larger, resulting in a larger area occupied by packaging, and therefore it is more difficult to store and package. Summary of the invention

[0005] In response to the defects in the prior art, the present utility certificate aims to provide a folding sofa.

[0006] This utility certificate relates to a folding sofa comprising a plurality of folding parts; each folding part includes a seat frame, a backrest frame, a rotation locking element and a support; the seat frame and the backrest frame are rotatably connected, and the seat frame and the backrest frame are lockedly connected by the rotation locking member; the bracket is fixed inside the frame and inside the backrest frame; a plurality of first seat support legs are removably disposed under a first seat frame, and a plurality of second seat support legs are removably disposed under a second seat frame; a plurality of seat support legs are removably disposed between the two adjacent seat frames; the backrest frame is provided with a plurality of backrest support legs for supporting the folding sofa for use as a bed.

[0007] Preferably, the support comprises a plurality of elastic elements, and two ends of an elastic element are fixed inside the seat frame and inside the backrest frame.

[0008] Preferably, the bendable portion further comprises a flexible elastic element; the flexible elastic member is disposed on the plurality of elastic members within a frame.

[0009] Preferably, the foldable part is covered with a flexible skin.

[0010] Preferably, a rotating ratchet is disposed between the backrest frame and a backrest support leg; the backrest support leg is rotatably connected to the backrest frame, and the backrest frame and the backrest support leg are fixedly connected by the rotating ratchet.

[0011] Preferably, the seat frame and the backrest frame are made of iron or steel tubes.

[0012] Preferably, the flexible skin 3 is provided with a zip which facilitates the insertion of the foldable part.

[0013] Preferably, the zip is located under the foldable part.

[0014] Preferably, the folding sofa further comprises a plurality of attachment pieces the plurality of first seat support legs, the plurality of common seat support legs and the plurality of second seat support legs are each removably attached to the seat frame via the plurality of attachment pieces.

[0015] Preferably, the flexible elastic element is a flexible sponge.

[0016] Compared to the prior art, the present utility certificate has the following beneficial effects: 1. According to this utility certificate, when packing a folding sofa relatively long, the first seat support legs, the second seat support legs and the joint seat support legs of the seat are dismantled so that the sofa is divided into several folding parts. These several folding parts are stacked to reduce the total area of ​​the folding sofa. The seat frame and the backrest frame of the folding part can be stacked together by rotation, and then fixed by rotating the locking member by rotation, which further reduces the total area of ​​the folding sofa and the area occupied by the packaging, facilitates the storage of the packaging, and saves the packaging material. 2. The seat frame and backrest frame of this utility certificate are made of iron pipes or steel pipes, which strengthens the strength of the folding sofa and improves its durability and load-bearing capacity. 3. According to this utility certificate, the elastic elements serve as support, which improves the flexibility and comfort of the folding sofa. Description of figures

[0017] Other characteristics, objects and advantages of this utility certificate will appear more clearly on reading the detailed description of the non-limiting embodiments, with reference to the accompanying drawings:

[0018] [Fig.l] shows an unfolded position of the sofa.

[0019] [Fig.2] shows a position of normal use of the sofa.

[0020] [Fig.3] shows a bottom view of the sofa.

[0021] [Fig.4] shows a diagram of the structure of a main body of the sofa.

[0022] [Fig.5] shows a diagram of the internal frame of the sofa in the unfolded position.

[0023] [Fig.6] shows a diagram of the internal frame of the sofa in the position of use. normal.

[0024] [Fig.7] shows a diagram highlighting the fact that the backrest legs are foldable for storage.

[0025] [Fig.8] shows a diagram of a single frame folded for storage.

[0026] [Fig.9] shows a diagram of the two frames stacked and stored together after the folding.

[0027] [Fig. 10] shows a diagram of the distribution of the stacked sofa elements and stored in packaging.

[0028] [Fig. 11] shows a diagram of a predefined package after stacking for the storage.

[0029] In the figures: seat frame 1 back frame 2 supple skin 3 spring 4 first seat support leg 5 second seat support leg 6 common seat support leg 7 backrest support leg 8

[0030] Embodiments

[0031] This utility certificate is described in detail below in relation to specific embodiments. The following embodiments will help those skilled in the art to better understand this utility certificate, but will not limit it in any way. It should be noted that for those skilled in the art, several modifications and improvements can be made without deviating from the idea of ​​this utility certificate. These fall within the scope of protection of this utility certificate.

[0032] This utility certificate discloses a folding sofa having a single-layer iron tube structure, comprising a plurality of foldable parts, as shown in Figures 1 and 4; Each foldable part comprises a seat frame 1, a backrest frame 2, a rotation locking member, a flexible elastic member and a support; The seat frame 1 and the backrest frame 2 are rotatably connected, and the seat frame 1 and the backrest frame 2 are lockedly connected by the rotation locking member; The support is provided inside the seat frame 1 and inside the backrest frame 2; A plurality of first seat support legs 5 are detachably arranged under a first seat frame 1, and a plurality of second seat support legs 6 are detachably arranged under a second seat frame 1; A plurality of seat support legs 7 are removably arranged between the two adjacent seat frames 1;The backrest frame 2 is provided with a plurality of backrest support legs 8 for supporting the folding sofa for use as a bed. The angle between the seat frame 1 and the backrest frame 2 can be adjusted as desired. When the folding sofa is used as a sofa, the seat frame 1 and the backrest frame 2 form an angle of 90 to 130 degrees. The rotation locking member between the seat frame 1 and the backrest frame 2 is, for example, a ratchet hinge of a sofa bed on the market, which can be adjusted and fixed as desired. The plurality of folding parts can extend indefinitely in a straight line, for example, two, three, four, five, etc.;

[0033] The support comprises a plurality of elastic members, and both ends of an elastic member are fixed inside the seat frame 1 and inside the backrest frame 2. The elastic member comprises an S-shaped spring 4.

[0034] A flexible elastic element is arranged on a plurality of elastic elements inside the frame. The flexible elastic element is a flexible sponge. The bendable part is further covered on the outside with a flexible skin 3. The flexible skin 3 is a re garment. During storage, the soft sponge is placed in the soft skin 3, and the latter is vacuum-packed to facilitate stacking. The soft skin 3 is provided with a zip that facilitates the insertion of the foldable part. The zip is located under the foldable part.

[0035] A rotating pawl is provided between the backrest frame 2 and the backrest support leg 8; the backrest support leg 8 is rotatably connected to the backrest frame 2, and the backrest frame 2 and the backrest support leg 8 are connected by the rotating pawl. The rotating pawl is for example a self-locking folding hinge on the market, when it is in the unstacked position, it is self-locked at 90 degrees, just press the self-locking folding hinge to unlock it, and the hinge can fold to 0 degrees without bouncing. The backrest support legs 8 are retractable in the form of a telescopic bar and are fixed with bolts. When the folding sofa is used as a bed, the lengths of the retractable support legs can be determined according to the inclination angle when the sofa is used as a bed.When the sofa is used as a bed, the seat frame 1 and the backrest frame 2 form a maximum angle of 180 degrees.

[0036] The seat frame 1 and the backrest frame 2 are made of iron or steel tubes. The seat frame 1 and the backrest frame 2 are frames made of square steel tubes, round steel tubes, single-layer iron tubes, etc.

[0037] The folding sofa further comprises a plurality of fixing pieces; the plurality of first seat support legs 5, the plurality of joint seat support legs 7 and the plurality of second seat support legs 6 are each removably fixed on the seat frame 1 via fixing pieces. The plurality of fixing pieces are bolts. The bolts are screwed into the screw holes of the seat frame 1.

[0038] This product is a sofa structure that can be folded and unfolded. The sofa is composed of two parts, the seat and the backrest, a connection such as a connecting hinge is provided between them, which allows them to be locked at a certain angle, the backrest of the sofa can be laid down so that the sofa is on a flat surface. Foldable and retractable legs are provided inside the backrest and serve as support legs when the backrest is laid down so that the sofa forms a flat surface. A folding sofa is actually a multifunctional sofa that can be converted into a sofa or a bed. With a two-part design for easy storage, this sofa is easy and quick to assemble. The upper seat part and the backrest are made of a soft sponge and a skin to facilitate vacuum storage.The main part of the frame is made of welded square steel tubes for added strength, and the middle of the frame is provided with 4 "S" shaped springs for improved flexibility and comfort. The seat and backrest padding part is removably mounted on the backrest frame 2 using the zip located under the seat.

[0039] As shown in [Fig.l], the sofa frame can be unfolded to serve as a bed, at which time, the legs behind the backrest are unfolded and serve as supports. As shown in [Fig.2], when used as a sofa, at which time, the legs of the backrest can be folded and stored inside the backrest. As shown in [Fig.3], the product is composed of two identical parts of the sofa connected by legs in common with each other, the legs can be separated into two small parts after disassembly, which can reduce the size of the product, save packaging and storage space. As shown in [Fig.4], the frame part can be stored inside the sofa and is closed by a zip, and the places where the legs are installed are provided with screw holes to facilitate installation. As shown in Figures 5 and 6, the inside of the frame is highlighted. As shown in [Fig.7], the foldable and stowed legs on the backrest are highlighted. As shown in [Fig.8], each frame can be folded for storage, which helps reduce the packaging size. After folding, the two frames can be stacked as shown in [Fig.9]. [Fig. 10] shows the position distribution of the sofa components under packaging, the lower seats are vacuum-treated to reduce the space and stack them. As shown in [Fig. 11], stacking storage can effectively reduce the packaging space.

[0040] In the description of this application, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate orientational or positional relationships based on those shown in the accompanying drawings, and are intended only to facilitate the description of this application and to simplify the description and are not indicative, or suggestive, that the device or element mentioned must have a particular orientation, be constructed and operate with a particular orientation and are not to be construed as limitations to the present application.

[0041] The specific embodiments of the utility certificate are described above. It is understood that the utility certificate is not limited to the particular form described above and that those skilled in the art may make various variations or modifications within the scope of the claims, which do not affect the substance of the utility certificate. The embodiments and features of the embodiments of the present application may be combined with each other in any combination without conflict.

Claims

Claims

1. A folding sofa, characterized in that it comprises a plurality of foldable parts: each foldable part comprises a seat frame (1), a backrest frame (2), a rotation locking member and a support; the seat frame (1) and the backrest frame (2) are rotatably connected, and the seat frame (1) and the backrest frame (2) are lockedly connected by the rotation locking member; the support is arranged inside the seat frame (1) and inside the backrest frame (2); a plurality of first seat support legs (5) are detachably arranged under a first seat frame (1), and a plurality of second seat support legs (6) are detachably arranged under a second seat frame (1); a plurality of common seat support legs (7) are detachably arranged between the two adjacent seat frames (1);the backrest frame (2) is provided with a plurality of backrest support legs (8) for supporting the folding sofa for use as a bed.;

2. A folding sofa according to claim 1, characterized in that the support comprises a plurality of elastic elements, and two ends of an elastic element are fixed inside the seat frame (1) and inside the backrest frame (2).

3. A folding sofa according to claim 2, characterized in that the folding portion further comprises a flexible elastic member; the flexible elastic member is arranged on the plurality of elastic members within a frame.

4. Folding sofa according to claim 1, characterized in that the folding part is covered with a flexible skin (3).

5. A folding sofa according to claim 1, characterized in that a rotating pawl is arranged between the backrest frame (2) and a backrest support leg (8); the backrest support leg (8) is rotatably connected to the backrest frame (2), and the backrest frame (2) and the backrest support leg (8) are connected in a locked manner by the rotating pawl.

6. Folding sofa according to claim 1, characterized in that the seat frame (1) and the backrest frame (2) are made of iron or steel tubes.

7. Folding sofa according to claim 4, characterized in that the flexible skin (3) is provided with a zip which facilitates the insertion of the folding part.

8. Folding sofa according to claim 7, characterized in that the zip is located under the folding part.

9. A folding sofa according to claim 1, characterized in that it further comprises a plurality of fixing pieces; the plurality of first seat support legs (5), the plurality of common seat support legs (7) and the plurality of second seat support legs (6) are each removably fixed to the seat frame (1) via the plurality of fixing pieces.

10. Folding sofa according to claim 3, characterized in that the flexible elastic element is a flexible sponge.