A multifunctional sofa

By embedding servo motors and constructing a rotating structure in the sofa, the problem of insufficient practicality of existing sofas is solved, enabling flexible rotation of the projector and tabletop, thus improving the functionality and user experience of the sofa.

CN224671143UActive Publication Date: 2026-08-25LANKAO HUAMEI IND CO LTD
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Patent Information

Application Number
CN202522191475.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-16
Publication Date
2026-08-25
Estimated Expiration
2035-10-16

AI Technical Summary

Technical Problem

Existing sofas are not very practical, only providing sitting and reclining functions, and cannot meet the diverse needs of users.

Method used

A servo motor is embedded in the middle of the sofa backrest. It is connected to the projector through an output shaft, a rotating block, and a fixed plate. A rotating structure is formed by a slider, a spiral block, and a rotating rod, which enables the projector and the table to be rotatably installed and removed. Combined with electric extension components and sensor components, the functionality and practicality of the sofa are enhanced.

Benefits of technology

It enables flexible rotation of the projector and tabletop, improving the comfort and practicality of the sofa and meeting the needs of users in different scenarios, such as home theater and office use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224671143U_ABST
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Abstract

This utility model discloses a multifunctional sofa. A servo motor is embedded in the center of the backrest, and the servo motor has an output shaft. The other end of the output shaft is connected to a fixing plate, and a rotating block is correspondingly provided on the other side of the fixing plate. A projector is spirally mounted on one side of the fixing plate. Under the action of the servo motor, the projector of this multifunctional sofa forms a rotating structure with the sofa through the output shaft, rotating block, and fixing plate. The rotatable fixing plate facilitates the installation of the projector, allowing for a home theater effect that complements the comfortable seating posture of the sofa. Simultaneously, the rotatable fixing plate facilitates daily protection of the projector. The slider of this device forms a locking and limiting structure with the fixing frame through a groove and through a through hole, and the slider forms a spiral locking structure with the fixing frame through a spiral block. This spiral block assembly facilitates the assembly and disassembly of the L-shaped support frame, allowing for easy installation of the tabletop assembly in a suitable position on the sofa according to personal preference.
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Description

Technical Field

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

[0002] A sofa is a multi-seat chair with cushions. It's a type of upholstered furniture with a backrest made of springs or thick foam and armrests on both sides. Sofas are used at home to provide a comfortable sitting or lying experience for people to rest and entertain guests.

[0003] Sofas, through their soft materials, provide users with comfortable rest and, through their extendable design, offer a place for short naps. However, existing sofas, by only providing sitting and reclining functions, have limited practicality. Therefore, a multifunctional sofa is proposed to address these issues. Utility Model Content

[0004] The purpose of this utility model is to provide a multifunctional sofa to solve the problem mentioned in the background art that existing sofas only provide sitting and lying functions for users, resulting in low practicality.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a multifunctional sofa, comprising a sofa, wherein a servo motor is embedded in the middle of the backrest, and the servo motor is provided with an output shaft, the other end of the output shaft is connected to a fixing plate, and a rotating block is provided on the other side of the fixing plate, a projector is spirally mounted on one side of the fixing plate, and an operation button is provided on one side of the servo motor on the sofa; The sofa has multiple sets of fixing frames on both sides, and the fixing frames have sliding grooves. Below the sliding grooves, the fixing frames have through holes. The inner wall of the upper part of the through hole is smooth, and the inner wall of the lower part of the through hole is threaded. A slider is inserted in the sliding groove, and the locking block at the lower end of the slider is engaged in the through hole. The slider has a spiral block spiraled below it, and the spiral block spirals at the lower end of the through hole. The sliders are respectively mounted on L-shaped support frames, and a first rotating rod is inserted through the upper end of the L-shaped support frame. The two ends of the first rotating rod are respectively threaded on the outer wall, and a corresponding spiral hole is opened on the L-shaped support frame. A table is provided on the outer wall of the first rotating rod, and a support block is provided on the lower end face of one end of the table. Multiple sets of fixing blocks are provided on the lower end face of the other end of the table, and a second rotating rod is inserted between the fixing blocks. The two ends of the second rotating rod are respectively threaded on the outer wall, and a corresponding spiral hole is opened on the fixing block. Multiple sets of support legs are provided on the outer wall of the second rotating rod, and a storage groove is correspondingly opened on the lower end face of the table.

[0006] Preferably, the projector, under the action of the servo motor, forms a rotating structure with the sofa through the output shaft, rotating block, and fixed plate.

[0007] Preferably, the slider forms a locking and limiting structure with the fixing frame through a groove and a through hole, and the slider forms a spiral locking structure with the fixing frame through a spiral block.

[0008] Preferably, the tabletop forms a rotating structure with the L-shaped support frame via a first rotating rod, and the support leg also forms a rotating structure with the tabletop via a second rotating rod.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows: The projector of this multifunctional sofa, under the action of a servo motor, forms a rotating structure with the sofa through an output shaft, a rotating block, and a fixed plate. The rotatable fixed plate facilitates the installation of the projector, allowing it to be matched with the comfortable sitting posture of the sofa to create a home theater effect. At the same time, the rotatable fixed plate facilitates daily protection of the projector. The slider of this device forms a locking and limiting structure with the fixed frame through a sliding groove and a through hole, and the slider forms a spiral locking structure with the fixed frame through a spiral block. The spiral block assembly facilitates the assembly and disassembly of the L-shaped support frame, making it easy to install the tabletop assembly in a suitable position on the sofa according to one's own habits. The tabletop of this device forms a rotating structure with the L-shaped support frame through a first rotating rod, and the support legs also form a rotating structure with the tabletop through a second rotating rod. Thus, the rotatable and retractable tabletop and support leg assembly ensure the stability of the tabletop while avoiding affecting the normal setting of the sofa. The stable tabletop also facilitates office work and other operations while sitting on the sofa. Attached Figure Description

[0010] Figure 1 This is a top view schematic diagram of a multifunctional sofa according to the present invention; Figure 2 This is a front view structural diagram of a multifunctional sofa according to the present invention; Figure 3 This is a side view of the structure of a multifunctional sofa according to the present invention; Figure 4 This utility model relates to a multifunctional sofa. Figure 2 Enlarged structural diagram at point A in the middle.

[0011] In the diagram: 1. Sofa, 2. Servo motor, 3. Fixing plate, 4. Projector, 5. Fixing frame, 6. Slider, 7. Spiral block, 8. L-shaped support frame, 9. First rotating rod, 10. Tabletop, 11. Second rotating rod, 12. Support leg, 13. Support block. Detailed Implementation

[0012] 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.

[0013] Please see Figure 1-4 This utility model provides a technical solution: a multifunctional sofa, including a sofa 1, with a servo motor 2 embedded in the middle of the backrest of the sofa 1, and the servo motor 2 is provided with an output shaft. The other end of the output shaft is connected to a fixing plate 3, and a rotating block is provided on the other side of the fixing plate 3. A projector 4 is spirally mounted on one side of the fixing plate 3. An operation button is provided on the sofa 1 on one side of the servo motor 2. It should be noted that the sofa 1 is provided with a plug and wire assembly for connecting to a power source to power the sofa 1. The sofa 1 is equipped with an electric extension assembly and a sensor assembly according to its actual situation and model, thereby effectively ensuring the practicality of the sofa 1. The operation button in the device is connected to the servo motor 2 through wires, controllers and other components, thereby facilitating the control of the servo motor 2's opening and closing.

[0014] Furthermore, under the action of the servo motor 2, the projector 4 forms a rotating structure with the sofa 1 through the output shaft, rotating block, and fixed plate 3, thereby increasing the function of the sofa 1 through the rotatable projector 4, so as to improve the comfort of using the sofa, and the rotatable projector 4 facilitates daily protection.

[0015] The sofa 1 has multiple sets of fixing brackets 5 on both sides, and the fixing brackets 5 have sliding grooves. Below the sliding grooves, the fixing brackets 5 have through holes. The upper part of the through hole has a smooth inner wall, and the lower part of the through hole has threads on its inner wall. A slider 6 is inserted in the sliding groove, and the locking block at the lower end of the slider 6 is engaged in the through hole. The slider 6 has a spiral block 7 spiraled below it, and the spiral block 7 is spiraled at the lower end of the through hole.

[0016] Furthermore, the slider 6 forms a locking and limiting structure with the fixing frame 5 through the sliding groove and through hole, and the slider 6 forms a spiral locking structure with the fixing frame 5 through the spiral block 7. Thus, the spiral block 7 assembly facilitates the quick installation and removal of the tabletop 10 and its related components, thereby making it easy to install the tabletop 10 in a suitable position according to the user's habits. At the same time, the spiral block 7 effectively ensures the stability of the tabletop 10 after installation.

[0017] The sliders 6 are respectively mounted on the L-shaped support frame 8, and the L-shaped support frame 8 has a first rotating rod 9 inserted at its upper end. The two ends of the first rotating rod 9 are respectively threaded on the outer wall, and the L-shaped support frame 8 has corresponding helical holes. The first rotating rod 9 has a table 10 on its outer wall, and one end of the table 10 has a support block 13 on its lower end face. The other end of the table 10 has multiple sets of fixing blocks on its lower end face, and a second rotating rod 11 is inserted between the fixing blocks. The two ends of the second rotating rod 11 are respectively threaded on the outer wall, and the fixing blocks have corresponding helical holes. The second rotating rod 11 has multiple sets of support legs 12 on its outer wall, and the table 10 has corresponding storage slots on its lower end face. It should be noted that in this device... The support block 13 is made of fiber material with a certain degree of support, thereby ensuring the support of the support block 13 while allowing the tabletop 10 to rotate normally. This utility model is a multi-functional sofa. All components are standard parts or components known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. In this device, all the electrical components mentioned above refer to the power components, electrical components, and the matching monitoring computer and power supply connected by wires. The specific connection method should refer to the working principle above, and the electrical connection between each electrical component should be completed in the order of operation. The detailed connection method is a well-known technology in the field.

[0018] Furthermore, the tabletop 10 forms a rotating structure with the L-shaped support frame 8 via the first rotating rod 9, and the support leg 12 also forms a rotating structure with the tabletop 10 via the second rotating rod 11. Thus, the rotatable tabletop 10 increases the practicality of the sofa 1 while avoiding affecting the user experience, and the rotatable support leg 12 effectively ensures the stability of the tabletop 10 during use.

[0019] Working principle: When using the multifunctional sofa, firstly, during the use of sofa 1, the L-shaped support frame 8 can be placed in a suitable position on sofa 1 according to the user's own habits, and the slider 6 can slide into the groove on the fixed frame 5. When the locking block on the slider 6 is aligned with the through hole, press down on the slider 6 to initially lock and limit the slider 6 through the locking block. Then, the spiral block 7 can be rotated to ensure the stability of the slider 6 during placement. During the use of the tabletop 10, the first rotating rod 9 can drive the entire tabletop 10 to rotate to one side of sofa 1. At the same time, the support block 13 is located on the upper surface of one side of sofa 1. Then, the second rotating rod 11 can drive multiple sets of The support leg 12 rotates, thereby effectively ensuring the stability of the tabletop 10 during use through the support leg 12 and support block 13, so that users can place various devices on the tabletop 10, increasing the overall practicality of the sofa 1; and during use, the servo motor 2 can be started by the operation button to work according to the set program. The servo motor 2 drives the fixed plate 3 to rotate through the output shaft, so that the projector 4 is rotated above the sofa 1 for projection, thereby effectively increasing user comfort in conjunction with the use of the sofa 1. At the same time, when the projector 4 is turned off, the servo motor 2 can rotate it into the sofa 1 to protect the projector 4. This is the use process of this multifunctional sofa.

[0020] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A multifunctional sofa, comprising a sofa (1), characterized in that: The sofa (1) has a servo motor (2) embedded in the middle of the backrest, and the servo motor (2) has an output shaft. The other end of the output shaft is connected to a fixing plate (3), and a rotating block is provided on the other side of the fixing plate (3). A projector (4) is spirally mounted on one side of the fixing plate (3), and an operation button is provided on the sofa (1) on one side of the servo motor (2). The sofa (1) is provided with multiple sets of fixing frames (5) on both sides, and the fixing frames (5) are provided with sliding grooves. The lower part of the sliding groove is provided with a through hole on the fixing frame (5). The inner wall of the through hole is smooth at the upper end and threaded at the lower end. A slider (6) is inserted in the sliding groove, and the locking block at the lower end of the slider (6) is engaged in the through hole. The slider (6) is spiraled with a spiral block (7) at the lower end, and the spiral block (7) is spiraled at the lower end of the through hole. The sliders (6) are respectively mounted on the L-shaped support frame (8), and the L-shaped support frame (8) has a first rotating rod (9) inserted at the upper end. The two ends of the first rotating rod (9) are respectively provided with threads on the outer wall, and the L-shaped support frame (8) is provided with corresponding spiral holes. The first rotating rod (9) is provided with a table (10) on the outer wall, and one end of the table (10) is provided with a support block (13) on the lower end face. The other end of the table (10) is provided with multiple sets of fixing blocks on the lower end face, and a second rotating rod (11) is inserted between the fixing blocks. The two ends of the second rotating rod (11) are respectively provided with threads on the outer wall, and the fixing blocks are provided with corresponding spiral holes. The second rotating rod (11) is provided with multiple sets of support legs (12) on the outer wall, and the table (10) is provided with corresponding storage slots on the lower end face.

2. The multifunctional sofa according to claim 1, characterized in that: The projector (4) forms a rotating structure with the sofa (1) through the output shaft, rotating block, and fixed plate (3) under the action of the servo motor (2).

3. A multifunctional sofa according to claim 1, characterized in that: The slider (6) forms a locking and limiting structure with the fixing frame (5) through the sliding groove and through hole, and the slider (6) forms a spiral locking structure with the fixing frame (5) through the spiral block (7).

4. A multifunctional sofa according to claim 1, characterized in that: The tabletop (10) forms a rotating structure with the L-shaped support frame (8) via the first rotating rod (9), and the support leg (12) forms a rotating structure with the tabletop (10) via the second rotating rod (11).