Foldable sofa

Abstract

The utility model discloses a foldable sofa which comprises a sofa unit, the sofa unit comprises a base plate and a back plate, a sofa cushion is arranged at the top of the base plate, a back cushion is arranged on the front side of the back plate, and the base plate is connected with the back plate through a Japanese hinge; four chair legs are fixedly arranged at the bottom of the base plate, and two folding supporting legs are hinged to the back face of the back plate. The movable angle of the Japanese hinge ranges from 90 degrees to 180 degrees. Compared with the prior art, the utility model has the advantages that the structure is simple, and the use is convenient; quick conversion between the sofa and the bed is realized, and the use requirements in different scenes are met; the folding design saves space and is suitable for small apartments or families needing multifunctional space; due to the design of the reinforcing supporting strips and the folding supporting legs, the stability of the sofa in the using process is guaranteed; and the sitting and lying experience of the user is improved by applying the memory foam material.

Description

Technical Field

[0001] The utility model relates to the technical field of furniture, and particularly refers to a foldable sofa. Background Art

[0002] With the acceleration of the modern life rhythm and the increasing compactness of living space, the versatility of furniture has become an important focus of consumers' attention. The traditional sofa design is often limited to a single sitting posture function and cannot meet the family's needs for efficient space utilization and multifunctional furniture. At the same time, although some foldable sofas on the market can realize the conversion between the sofa and the bed to a certain extent, there are still deficiencies in structural stability, ease of use, and comfort.

[0003] To solve the above problems, there is an urgent need in the market for an innovatively designed foldable sofa that can not only easily realize the conversion from the sofa to the bed to adapt to different life scenarios and needs, but also ensure firm and durable structural design, pursue comfort and environmental protection in material selection, so as to improve the user experience and quality of life. Content of the Utility Model

[0004] The purpose of the utility model is to solve the problems mentioned in the background art and provide a foldable sofa.

[0005] To solve the above technical problems, the technical solution provided by the utility model is: a foldable sofa, including a sofa unit, the sofa unit includes a base plate and a back plate, a sofa cushion is provided on the top of the base plate, a backrest cushion is provided on the front side of the back plate, and the base plate and the back plate are connected by a Japanese hinge;

[0006] Four chair legs are fixedly provided at the bottom of the base plate, and two folding support legs are hinged to the back of the back plate;

[0007] The movable angle of the Japanese hinge is 90° to 180°;

[0008] When the angle of the Japanese hinge is 90°, the back plate is perpendicular to the base plate;

[0009] When the angle of the Japanese hinge is 180°, the back plate is laid flat to form a whole plane with the base plate, and the back plate is supported on the ground by the folding support legs.

[0010] As a preferred solution, a plurality of reinforcing support bars are provided at the bottom of the base plate and the back of the back plate, the reinforcing support bars are arranged perpendicular to the connecting line of the base plate and the back plate, and the folding support legs and the chair legs are both arranged on the reinforcing support bars.

[0011] As a preferred solution, a plurality of sofa units are arranged side by side to form a sofa, and the base plates of adjacent sofa units are connected by connecting pieces.

[0012] As a preferred solution, an armrest board is provided at the edge of the outermost base board through a hinge connection. An armrest pad is provided above the armrest board, and the angle between the armrest board and the base board is 90°-180°.

[0013] The reinforcing support bar is made of one of wood, carbon fiber or aluminum alloy to enhance the stability and durability of the sofa structure, while keeping the overall weight light and facilitating handling.

[0014] As a preferred solution, the sofa cushion, back cushion and armrest pad are all made of memory foam material, which can automatically adjust the shape according to the user's body shape and sitting posture, providing better comfort and support.

[0015] The advantages of the present utility model compared with the prior art are as follows: simple structure and convenient use; realizing the rapid conversion between the sofa and the bed to meet the use requirements in different scenarios; the folding design saves space and is suitable for small-sized houses or families in need of multi-functional spaces; the design of the reinforcing support bar and the folding support legs ensures the stability of the sofa during use; the application of the memory foam material improves the sitting and lying experience of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the sofa unit of the present utility model.

[0017] Figure 2 is a schematic structural diagram of the sofa unit of the present utility model when unfolded into a bed Figure 1 .

[0018] Figure 3 is a schematic structural diagram of the sofa unit of the present utility model when unfolded into a bed Figure 2 .

[0019] Figure 4 is a schematic structural diagram of the back of the back panel of the present utility model.

[0020] Figure 5 is a schematic structural diagram of the bottom of the base board of the present utility model.

[0021] Figure 6 is a schematic structural diagram of the sofa composed of two sofa units of the present utility model.

[0022] Figure 7 is a diagram of the usage state of the sofa composed of two sofa units of the present utility model.

[0023] Figure 8 is a schematic structural diagram of the present utility model with an armrest board added.

[0024] Figure 9 is a diagram of the usage state of the present utility model with an armrest board and an armrest pad added.

[0025] Figure 10 This is the usage state diagram when the armrest board of the present utility model is turned up.

[0026] As shown in the figure: 1. Base plate, 2. Back plate, 3. Sofa cushion, 4. Cushion, 5. Japanese hinge, 6. Chair leg, 7. Folding support leg, 8. Reinforcing support bar, 9. Armrest board, 10. Armrest cushion. Detailed implementation manners

[0027] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. Generally, the components of the embodiments of the present utility model described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0028] In the description of the embodiments of the present utility model, it should be noted that if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the present utility model is usually placed when in use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 a limitation of the present utility model. In addition, terms such as "first", "second", "third", etc. are only used for descriptive distinction and cannot be understood as indicating or implying relative importance.

[0029] In addition, if terms such as "horizontal", "vertical", "hanging" are used, it does not mean that the component is required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0030] In the description of the embodiments of the present utility model, "a plurality of" represents at least two.

[0031] In the description of the embodiments of the present utility model, it should also be noted that unless otherwise clearly specified and limited, if terms such as "set", "installed", "connected", "connected" are used, they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0032] Combined with the attached drawings, a foldable sofa includes a sofa unit. The sofa unit includes a base plate 1 and a back plate 2. A sofa cushion 3 is provided on the top of the base plate 1, and a backrest cushion 4 is provided on the front side of the back plate 2. The base plate 1 and the back plate 2 are connected by a Japanese hinge 5;

[0033] Four chair legs 6 are fixedly provided at the bottom of the base plate 1, and two folding support legs 7 are hinged on the back of the back plate 2;

[0034] The movable angle of the Japanese hinge 5 is 90° to 180°;

[0035] When the angle of the Japanese hinge 5 is 90°, the back plate 2 is perpendicular to the base plate 1;

[0036] When the angle of the Japanese hinge 5 is 180°, the back plate 2 is laid flat to form a whole plane with the base plate 1, and the back plate 2 is supported on the ground by the folding support legs 7.

[0037] A number of reinforcing support bars 8 are provided at the bottom of the base plate 1 and the back of the back plate 2. The reinforcing support bars 8 are arranged perpendicular to the connecting line between the base plate 1 and the back plate 2. The folding support legs 7 and the chair legs 6 are both arranged on the reinforcing support bars 8.

[0038] A number of sofa units are arranged side by side to form a sofa, and the base plates 1 of adjacent sofa units are connected by connecting pieces.

[0039] An armrest plate 9 is connected by a hinge at the edge of the outermost base plate 1. An armrest cushion 10 is provided above the armrest plate 9. The angle between the armrest plate 9 and the base plate 1 is 90° to 180°.

[0040] The material of the reinforcing support bar 8 is one of wood, carbon fiber or aluminum alloy to enhance the stability and durability of the sofa structure, while keeping the overall weight light and convenient for handling.

[0041] The sofa cushion 3, the backrest cushion 4 and the armrest cushion 10 are all made of memory foam material, which can automatically adjust the shape according to the user's body shape and sitting posture, providing better comfort and support.

[0042] When the present utility model is specifically implemented, first, the base plate and the back plate are made. The sofa cushion is laid on the top of the base plate, and the backrest cushion is installed on the front side of the back plate. Then, a Japanese hinge is installed between the base plate and the back plate to ensure that the movable angle is 90° to 180°.

[0043] Reinforcing support bars are installed at the bottom of the base plate and the back of the back plate to ensure that the reinforcing support bars are perpendicular to the connecting line between the base plate and the back plate. The folding support legs and the chair legs are fixed on the reinforcing support bars.

[0044] As needed, multiple sofa units are combined side by side, and the base plates of adjacent sofa units are connected by connectors to form a sofa or bed of the required length.

[0045] An armrest plate is hinged at the edge of the outermost base plate, and an armrest cushion is laid above the armrest plate. The angle between the armrest plate and the base plate can be adjusted according to user needs.

[0046] Lightweight and high-strength materials such as wood, carbon fiber or aluminum alloy are selected to make the strengthening support bars to ensure the stability and durability of the sofa structure. The sofa cushions, back cushions and armrest cushions are made of memory foam materials to improve the sitting and lying comfort.

[0047] The above describes the present utility model and its implementation manners. Such a description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and design similar structural manners and embodiments without creative efforts without departing from the gist of the creation of the present utility model, they shall fall within the protection scope of the present utility model.

Claims

1. A foldable sofa, comprising a sofa unit, characterized in that: The sofa unit comprises a base plate and a back plate, the top of the base plate is provided with a sofa cushion, the front side of the back plate is provided with a cushion, and the base plate and the back plate are connected by a Japanese hinge; Four chair legs are fixedly arranged at the bottom of the base plate, and two folding support legs are hingedly arranged at the back of the back plate; The movable angle of the Japanese hinge is 90° to 180°; When the angle of the Japanese hinge is 90°, the back plate is perpendicular to the base plate; When the angle of the Japanese hinge is 180°, the back panel is laid flat to form a whole plane with the base panel, and the back panel supports the ground through the folding support legs.

2. A foldable sofa according to claim 1, characterized in that: A plurality of reinforcing support strips are arranged at the bottom of the base plate and the back of the back plate. The reinforcing support strips are arranged perpendicular to the connection line between the base plate and the back plate. The folding support legs and the chair legs are both arranged on the reinforcing support strips.

3. The foldable sofa according to claim 1, characterized in that: A plurality of sofa units are arranged side by side to form a sofa, and base plates of adjacent sofa units are connected by connecting pieces.

4. A foldable sofa according to claim 3, characterized in that: An armrest plate is provided at the edge of the outermost base plate through a hinge connection, an armrest pad is provided above the armrest plate, and the angle between the armrest plate and the base plate is 90° to 180°.

5. The foldable sofa according to claim 2, characterized in that: The reinforcing support strip is made of one of wood, carbon fiber or aluminum alloy to enhance the stability and durability of the sofa structure while keeping the overall weight light for easy carrying.

6. The foldable sofa according to claim 4, characterized in that: The sofa cushion, back cushion and armrest cushion are all made of memory foam material, and can automatically adjust their shapes according to the user's body shape and sitting posture, providing better comfort and support.

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