A multifunctional sofa bed

CN224698900UActive Publication Date: 2026-09-01YIJU (XIAMEN) INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202522255034.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-24
Publication Date
2026-09-01
Estimated Expiration
2035-10-24

AI Technical Summary

Technical Problem

[0002]小户型住宅的消费者对多功能、省空间的家具具有需求,沙发床作为兼具沙发功能与床功能的家具,应用于客厅、客房、出租屋等空间,目前市场上的沙发床多采用简单折叠或两段式伸缩结构,仅能实现沙发与床两种形态的转换,功能较为单一,难以满足用户居家办公、用餐、物品收纳等多样化需求

Benefits of technology

1、通过可翻转的靠背板与配套连接件,配合可伸缩的沙发床骨架,可灵活切换多种使用形态,沙发床骨架收缩时,靠背板可作为沙发靠背,拉动骨架展开后,靠背板可翻转至背面朝上,由竖直状态的上层置物箱支撑作为桌面,满足居家办公、用餐需求,若骨架保持展开为床形态,翻转后的靠背板还能作为床上桌使用,方便放置书籍、电脑等物品,适配小户型用户多样化使用需求。

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Abstract

This utility model relates to the field of sofa bed technology, specifically to a multifunctional sofa bed, including a sofa bed frame, a backrest panel, and a storage box support frame. The sofa bed frame is a telescopic structure, comprising a fixed end, a middle section, and a telescopic end. A headboard is fixedly connected to the side of the fixed end away from the middle section. The storage box support frame is located on opposite sides of the fixed end and is fixedly connected to the fixed end. The backrest panel is hinged to the bottom side of the storage box support frame via a connector. This utility model, through the flip-up backrest panel and matching connectors, combined with the telescopic sofa bed frame, can switch between multiple usage modes. When the sofa bed frame is retracted, the backrest panel can serve as a sofa backrest. When the frame is extended, the backrest panel can be flipped up to face upwards, supported by the vertical upper storage box as a desktop, meeting the needs of home office and dining. If the frame remains extended in bed mode, the flipped backrest panel can also be used as a bed table.
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Description

Technical Field

[0001] This utility model relates to the field of sofa bed technology, specifically a multifunctional sofa bed. Background Technology

[0002] Consumers of small apartments have a demand for multifunctional and space-saving furniture. Sofa beds, which combine the functions of a sofa and a bed, are used in living rooms, guest rooms, rental apartments and other spaces. Currently, most sofa beds on the market adopt simple folding or two-section telescopic structures, which can only realize the conversion between sofa and bed forms. Their functions are relatively simple and cannot meet the diverse needs of users for home office, dining and storage.

[0003] Therefore, a multifunctional sofa bed is proposed to solve the problems mentioned above. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a multifunctional sofa bed. Through a reversible backrest panel and matching connectors, combined with a retractable sofa bed frame, it can flexibly switch between multiple usage modes. When the sofa bed frame is retracted, the backrest panel serves as a sofa back. When the frame is extended, the backrest panel can be flipped up to face upwards, supported by a vertical upper storage box to serve as a desktop, meeting the needs of home office and dining. If the frame remains extended in bed mode, the flipped backrest panel can also be used as a bed table, convenient for placing books, computers, and other items, thus solving the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a sofa bed frame, a backrest panel, and a storage box support frame. The sofa bed frame is a telescopic structure, comprising a fixed end, a middle section, and a telescopic end. A headboard is fixedly connected to the side of the fixed end away from the middle section. The storage box support frame is located on opposite sides of the fixed end and is fixedly connected to the fixed end. The backrest panel is hinged to the bottom side of the storage box support frame via a connector.

[0006] Preferably, the connecting component is an upper storage box and a connecting plate, and the backrest is fixedly connected to the side of the upper storage box near the head of the bed.

[0007] Preferably, the connecting plate is fixedly connected to the side of the upper storage box away from the backrest, the bottom end of the connecting plate is hinged to the bottom side of the storage box support frame, and the bottom of the storage box support frame is provided with a lower storage shelf.

[0008] Preferably, the middle section is bent downward on one side of the fixed end, and a second roller is provided at the bottom of the middle section near the fixed end.

[0009] Preferably, the second roller is inserted into the side of the fixed end, and the second roller is slidably connected to the side of the fixed end.

[0010] Preferably, the telescopic end is slidably connected to the middle section on the side near the insertion of the middle section, and both the telescopic end and the middle section on the side away from the fixed end are provided with support legs, with pulleys connected to the bottom of the support legs.

[0011] Compared with the prior art, the present invention provides a multifunctional sofa bed with the following advantages: 1. With the flip-up backrest and matching connectors, along with the extendable sofa bed frame, it can flexibly switch between multiple usage modes. When the sofa bed frame is retracted, the backrest can serve as a sofa back. When the frame is pulled out, the backrest can be flipped up to face up, supported by the vertical upper storage box as a desktop, meeting the needs of home office and dining. If the frame remains in bed mode, the flipped backrest can also be used as a bed table, convenient for placing books, computers and other items, adapting to the diverse usage needs of small apartment users.

[0012] 2. The sofa bed frame adopts a three-section structure. With the second roller at the bottom of the middle section and the pulley at the bottom of the telescopic end, the user only needs to pull the telescopic end to make the frame unfold smoothly. After unfolding, it can reach the size of a regular bed, ensuring comfort and space adaptability during sleep. When unfolded, it can be used as a standard bed.

[0013] 3. The sofa bed has storage box support frames on both sides of the fixed end, and the bottom of the storage box support frames is movably connected to the lower storage shelf. Users do not need to purchase additional storage cabinets, bookshelves or other furniture, which reduces the space occupied by furniture in small apartments and improves the utilization rate of home space. Attached Figure Description

[0014] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings: Figure 1 A schematic diagram of the isometric structure of the multifunctional sofa bed of this utility model; Figure 2 A schematic diagram of the desktop and seat cushion structure provided for the multifunctional sofa bed of this utility model; Figure 3 A schematic diagram of the sofa form and structure provided for this utility model of a multifunctional sofa bed; Figure 4 A schematic diagram of the bed form structure provided for this utility model of a multifunctional sofa bed; Figure 5 A schematic diagram of the sofa bed frame structure provided for this utility model of a multifunctional sofa bed; Figure 6 A schematic diagram of the fixed end structure provided for the multifunctional sofa bed of this utility model; Figure 7 A schematic diagram of the middle section and telescopic end structure of the multifunctional sofa bed of this utility model; In the diagram: 1. Sofa bed frame; 2. Backrest panel; 3. Storage box support frame; 4. Headboard; 5. Upper storage box; 6. Connecting plate; 7. Lower storage shelf; 13. No. 2 roller; 14. Support leg; 15. Pulley; 101. Fixed end; 102. Middle section; 103. Telescopic end. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Example: Please see Figure 1 - Figure 7 This embodiment of a multifunctional sofa bed includes a sofa bed frame 1, a backrest panel 2, and a storage box support frame 3. The sofa bed frame 1 is a telescopic structure, including a fixed end 101, a middle section 102, and a telescopic end 103. A headboard 4 is fixedly connected to the side of the fixed end 101 away from the middle section 102. The storage box support frame 3 is located on both sides opposite to the fixed end 101 and is fixedly connected to the fixed end 101. The backrest panel 2 is hinged to the bottom side of the storage box support frame 3 through a connector. The fixed end 101 provides a stable bottom support for the overall structure. The middle section 102 serves as a connecting component, responsible for connecting the fixed end 101 and the telescopic end 103, realizing the transition adjustment of the frame length. The telescopic end 103 can be extended by sliding, ultimately allowing the frame to unfold to the size of a regular bed. In sofa mode, the headboard 4 can serve as protection and support for the edge of the backrest, and in bed mode, it provides support for the user's head. The storage box support frame 3 provides a support base for the installation and flipping of the backrest panel 2.

[0017] The connecting parts are the upper storage box 5 and the connecting plate 6. The backrest 2 is fixedly connected to the side of the upper storage box 5 near the head of the bed, and the connecting plate 6 is fixedly connected to the side of the upper storage box 5 away from the backrest 2. The bottom end of the connecting plate 6 is hinged to the bottom side of the storage box support frame 3. The upper storage box 5 serves as the connecting part between the backrest 2 and the connecting plate 6, and also acts as the supporting leg of the table when the backrest 2 is flipped to a vertical state. The connecting plate 6 hinges the backrest 2 to the storage box support frame 3. The bottom of the storage box support frame 3 is provided with a lower storage shelf 7, which can expand the storage space and store books, sundries, etc.

[0018] The middle section 102 is bent downward on one side of the fixed end 101. A second roller 13 is provided at the bottom of the middle section 102 near the fixed end 101. The second roller 13 is inserted into the side of the fixed end 101 and is slidably connected to the side of the fixed end 101. The second roller 13 ensures that the middle section 102 slides more smoothly and effortlessly within the fixed end 101, avoiding jamming.

[0019] The telescopic end 103 is slidably connected to the middle section 102 on the side near the insertion of the middle section 102. Both the telescopic end 103 and the middle section 102 on the side away from the fixed end 101 are provided with support legs 14. The bottom of the support legs 14 is connected to pulleys 15. The sliding cooperation between the telescopic end 103 and the middle section 102 realizes the adjustment of the frame length. After the frame is unfolded, the support legs 14 can form a support together with the fixed end 101 to ensure the stability of the bed.

[0020] The sofa bed comes with three cushions. In sofa mode, only one cushion on the upper surface of the fixed end 101 is needed as a seat cushion. The other two cushions can be stored separately, or multiple cushions can be stacked to increase the thickness of the seat cushion. In bed mode, the three cushions together form a complete mattress.

[0021] When used as a sofa, the sofa bed frame 1 is in a retracted state. At this time, the middle end and the telescopic end 103 are both located below the fixed end 101. The upper storage box 5 is located on the upper surface of the storage box support frame 3. The backrest connected to the upper support frame is close to the headboard 4. At this time, the backrest is used as the backrest of the sofa. The backrest shown in the figure is a flat board. In actual production, a soft padding can be covered on the side of the backrest close to the upper storage frame.

[0022] When used as a bed, pull the telescopic end 103 of the sofa frame to unfold the sofa frame, and then place the cushion on the sofa bed frame 1 as a mattress. The sofa bed frame 1 adopts a three-section structure. When unfolded, it is the size of a regular bed. When pulling the telescopic end 103, the pulleys 15 at the bottom of the support legs 14 can reduce the friction on the ground and make the unfolding operation easier. The three-section structure ensures that the size after unfolding meets the standard of a regular bed.

[0023] The backrest 2 is flip-up, with its back facing upwards. The back of the backrest 2 is flat and can be used as a desktop. At this time, the upper storage box 5 is in a vertical position, supporting the backrest 2 and serving as the table legs. The flat back of the backrest 2 is suitable for placing items such as computers and books. The vertical upper storage box 5 provides support to prevent the desktop from tilting. After the backrest 2 is flipped up, the sofa bed frame 1 is retracted, and the lower part of the sofa bed becomes a cushion. The flipped backrest 2 serves as a desktop, which is suitable for the daily office and dining scenarios of small apartment users, without the need for additional tables and chairs.

[0024] After the backrest panel 2 is flipped up, the sofa bed frame 1 is unfolded. The lower part of the sofa bed unfolds and is used as a bed. The flipped backrest panel 2 is used as a bed table. The bed table form can meet the user's needs for reading and working in bed.

[0025] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods. As long as they can achieve their beneficial effects, they can be implemented. Therefore, this embodiment will not elaborate on their specific structural composition and working principle.

[0026] If certain terms are used in the specification and claims to refer to specific components, those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" as used throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to".

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multifunctional sofa bed, characterized in that: The sofa bed includes a sofa bed frame (1), a backrest (2), and a storage box support frame (3). The sofa bed frame (1) is a telescopic structure. The sofa bed frame (1) includes a fixed end (101), a middle section (102), and a telescopic end (103). A headboard (4) is fixedly connected to the side of the fixed end (101) away from the middle section (102). The storage box support frame (3) is located on both sides opposite to the fixed end (101) and is fixedly connected to the fixed end (101). The backrest (2) is hinged to the bottom side of the storage box support frame (3) through a connector.

2. The multifunctional sofa bed according to claim 1, characterized in that: The connecting parts are the upper storage box (5) and the connecting plate (6), and the backrest (2) is fixedly connected to the upper storage box (5) on the side near the head of the bed.

3. A multifunctional sofa bed according to claim 2, characterized in that: The connecting plate (6) is fixedly connected to the side of the upper storage box (5) away from the backrest (2). The bottom end of the connecting plate (6) is hinged to the bottom side of the storage box support frame (3). The storage box support frame (3) has a lower storage shelf (7) at the bottom.

4. A multifunctional sofa bed according to claim 1, characterized in that: The middle section (102) is bent downward on one side of the fixed end (101), and a second roller (13) is provided at the bottom of the middle section (102) near the fixed end (101).

5. A multifunctional sofa bed according to claim 4, characterized in that: The second roller (13) is inserted into the side of the fixed end (101), and the second roller (13) is slidably connected to the side of the fixed end (101).

6. A multifunctional sofa bed according to claim 1, characterized in that: The telescopic end (103) is slidably connected to the middle section (102) on the side near the insertion of the middle section (102). Both the telescopic end (103) and the middle section (102) on the side away from the fixed end (101) are provided with support legs (14), and the bottom of the support legs (14) is connected to pulleys (15).