Multifunctional movable sofa frame body

By designing movable devices and drive cylinders on the sofa base frame, the armrests and leg rests can be switched, and the backrest angle and headrest position can be adjusted. This solves the problem of fixed armrests in traditional sofas, and improves the functionality and user experience of the sofa.

CN223695397UActive Publication Date: 2025-12-23YIKUI MECHANICAL & ELECTRICAL (FOSHAN) CO LTD
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Patent Information

Application Number
CN202520295822.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2025-12-23
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

Traditional sofas have fixed armrest structures that cannot be adjusted or changed according to the user's actual needs, which limits the sofa's functional expansion and fails to meet the diverse needs of users in different scenarios.

Method used

Design a multifunctional movable sofa frame. The armrests are rotated by a movable device on the base frame. The armrests and leg rests are switched by a drive cylinder that drives the locking parts and connectors. The headrest is moved by a drive cylinder that drives the backrest frame. The backrest angle and headrest position are adjusted by a second drive cylinder. The entire sofa is moved by a sliding device.

Benefits of technology

It enables flexible switching between armrests and leg rests, meeting diverse user needs and improving the sofa's flexibility and user comfort, thus satisfying diverse needs in different scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multifunctional movable sofa frame body which comprises a base frame body, a first supporting plate is arranged on the base frame body, the two ends of the first supporting plate are fixed to the two sides of the base frame body respectively, a bearing plate is fixedly installed on the first supporting plate, and a movable device is rotationally connected to the bearing plate. The movable device comprises a connecting piece rotationally mounted on the bearing plate and a handrail mounting plate fixedly connected to the bottom of the connecting piece, and further comprises a clamping part connected to the top of the connecting piece in a sleeving mode, and one end of the clamping part is connected with a first driving cylinder mounted on the base frame body; the telescopic end of the first driving rod is rotationally connected with one end of the clamping part; according to the sofa armrest structure, the movable device for driving the armrest mounting plate to rotate is movably connected to the base bracket, so that the armrest is changed from an original immovable state to a movable state, and the problem that an existing sofa armrest structure cannot meet diversified requirements of a user in different scenes is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to furniture technical field especially a multi -functional movable sofa frame body. BACKGROUND

[0002] As a common furniture, sofas are widely used in family, hotel, office and other places, providing comfortable rest and leisure space for people. Traditional sofas usually include a fixed seat, backrest and armrest, and the structure design is relatively fixed, with single function. However, with the improvement of people's living standard and the increase of comfort requirement, the limitations of traditional sofas gradually appear.

[0003] Firstly, in the use process of the existing sofa, the user usually needs to adjust the posture on the sofa, such as lying or resting, and needs to lift the legs to obtain more comfortable experience. However, the armrest structure of the existing sofa is usually fixed, which cannot be adjusted or changed according to the actual needs of the user, and this fixed design limits the function expansion of the sofa, which cannot meet the diversified needs of the user in different scenes, for example, when resting, the user may hope that the armrest can provide additional leg support function, and when in normal sitting posture, the user hopes that the armrest remains the original function and appearance, so how to better meet the multiple needs of the user is a problem worth thinking about. SUMMARY

[0004] The utility model discloses in order to solve above -existing technical problem provides a multi -functional movable sofa frame body.

[0005] The technical scheme of the utility model is realized as follows:

[0006] A multi -functional movable sofa frame body, including base frame body, be equipped with two ends fixed in the base frame body both sides first support plate, the first support plate is fixedly installed with the bearing plate, the bearing plate is rotatably connected with the movable device, the movable device includes the connecting piece rotatably installed on the bearing plate and the armrest mounting plate fixedly connected in the connecting piece bottom, still include the clamping part of sleeve connection in the connecting piece top, the clamping part one end is connected with the first drive cylinder installed on the base frame body, the first drive cylinder telescopic end is rotatably connected with the clamping part one end.

[0007] Further, the bearing plate is provided with a limiting column, and the clamping part is provided with a limiting slot, and the limiting column is slidably connected in the limiting slot.

[0008] Further, one end of the armrest mounting plate is fixedly connected with the bottom of the connecting piece, the other end is bent, and a handrail connecting part for mounting the handrail is fixed on the other end.

[0009] Further, the handrail connecting part comprises a first horizontal plate fixed at one end of the handrail mounting plate, and a handrail movable assembly arranged on the first horizontal plate, wherein the handrail movable assembly comprises a first fixed plate fixed on the first horizontal plate and a first mounting piece rotatably connected to the first fixed plate.

[0010] Further, the base frame body is movably connected with a backrest frame body at one end, the backrest frame body is movably connected with a second driving cylinder near the connection with the base frame body, and the second driving cylinder is rotatably connected to the first supporting plate at the telescopic end.

[0011] Further, the backrest frame body is movably connected with a backrest frame body at one end, the backrest frame body is movably connected with a second driving cylinder near the connection with the base frame body, and the second driving cylinder is rotatably connected to the first supporting plate at the telescopic end.

[0012] Further, the backrest frame body is movably connected with a backrest frame body at one end, the backrest frame body is movably connected with a second driving cylinder near the connection with the base frame body, and the second driving cylinder is rotatably connected to the first supporting plate at the telescopic end.

[0013] Further, the backrest frame body is movably connected with a backrest frame body at one end, the backrest frame body is movably connected with a second driving cylinder near the connection with the base frame body, and the second driving cylinder is rotatably connected to the first supporting plate at the telescopic end.

[0014] Further, the first supporting plate is movably connected with a sliding device at the bottom, the sliding device comprises a fixed frame, a guide rail fixedly arranged on the fixed frame, a fourth driving cylinder arranged on one side of the fixed frame, and a sliding plate arranged on the first supporting plate.

[0015] Further, the first supporting plate is movably connected with a sliding device at the bottom, the sliding device comprises a fixed frame, a guide rail fixedly arranged on the fixed frame, a fourth driving cylinder arranged on one side of the fixed frame, and a sliding plate arranged on the first supporting plate.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model discloses a movable device for driving the rotation of the handrail mounting plate is connected on the base support, makes the handrail from the original immovable changeable, and through setting up the first drive cylinder for driving the rotation of the handrail mounting plate on the base support, utilizes the linkage between the clamping part and the handrail mounting plate, and the rotation of clamping part is driven by the first drive cylinder, and this can drive the rotation of the handrail mounting plate, makes the handrail rotate from the position of the side of sofa, and as the sofa leg support supplies the user to use, and this improves the flexibility of sofa, and this design can provide the leg support function for the user, and switches between the handrail and the leg support to satisfy the demand of various scenes of the user, solves the structure of the sofa handrail of the prior art is usually fixed, can not adjust or change according to the actual demand of the user, limits the function expansion of sofa, can not satisfy the diversified demand of the user under different scenes. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structural schematic diagram of the utility model of a kind of multifunctional movable sofa frame body;

[0019] Figure 2 It is one of the activity state schematic diagram of the utility model of a kind of multifunctional movable sofa frame body;

[0020] Figure 3 It is the second of the activity state schematic diagram of the utility model of a kind of multifunctional movable sofa frame body;

[0021] Figure 4 It is Figure 1 The local enlarged view of A part in middle.

[0022] 1, base frame body;2, first support plate;3, bearing plate;

[0023] 4, movable device;41, connecting piece;42, handrail mounting plate;43, clamping part;44, first drive cylinder;

[0024] 5, limiting column;6, limiting slot;7, handrail connecting part;8, first horizontal plate;9, handrail movable assembly;10, first fixed plate;11, first mounting piece;12, backrest frame body;13, second drive cylinder;14, second support plate;

[0025] 15, headrest mounting part;151, sliding rod;152, headrest movable assembly;153, second fixed plate;154, second mounting piece;

[0026] 16, third drive cylinder;17, fixed seat;18, second horizontal plate;19, first sliding rail;

[0027] 20, sliding device;201, guide rail;202, fourth drive cylinder;203, sliding plate;

[0028] 21. Support column; 22. Second slide rail; 23. Fixing frame. Detailed Implementation

[0029] To make the objectives, features, and advantages of this invention more apparent and understandable, the technical solutions of the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0030] like Figures 1-4 As shown, a multifunctional movable sofa frame includes a base frame 1. The base frame 1 has a first support plate 2 with both ends fixed to the two sides of the base frame 1. A bearing plate 3 is fixedly installed on the first support plate 2. A movable device 4 is rotatably connected to the bearing plate 3. The movable device 4 includes a connector 41 rotatably installed on the bearing plate 3 and an armrest mounting plate 42 fixedly connected to the bottom of the connector 41. It also includes a locking component 43 sleeved on the top of the connector 41. One end of the locking component 43 is connected to a first drive cylinder 44 installed on the base frame 1. The telescopic end of the first drive cylinder is rotatably connected to one end of the locking component 43.

[0031] In this embodiment, the base frame 1 is used to install the sofa cushion. As the basic support structure of the entire sofa frame, it supports and fixes other components to ensure the overall stability and firmness of the sofa. The first support plate 2 is fixed in the middle of the base frame 1, which not only strengthens the base frame 1, but also supports the bearing plate 3 and provides an installation base for the movable device 4.

[0032] The rotating function of the armrest mounting plate 42 is achieved by the movable device 4, which allows the armrest to switch between the side of the sofa and one end of the sofa, thereby realizing the function conversion of the armrest and the leg rest. Specifically, the first drive cylinder 44 drives the locking component 43 to rotate, which in turn drives the connecting component 41 to rotate, further linking the armrest mounting plate 42. This allows the armrest mounting plate 42 to rotate. Through its rotation function, the user can adjust the position of the armrest according to their needs to meet the needs of different usage scenarios.

[0033] Furthermore, a limiting post 5 is provided on the bearing plate 3, and a limiting groove 6 is provided on the locking component 43, with the limiting post 5 slidably connected in the limiting groove 6;

[0034] The limiting post 5 can limit the rotation range of the locking component 43, thereby controlling the movable range of the handrail mounting plate 42 and preventing the locking component 43 from rotating excessively.

[0035] Further, one end of the handrail mounting plate 42 is fixedly connected with the bottom of the connecting piece 41, and the other end is bent, and a handrail connecting part 7 for mounting a handrail is fixed on the other end.

[0036] Further, the handrail connecting part 7 comprises a first horizontal plate 8 fixedly arranged at one end of the handrail mounting plate 42, and further comprises a handrail movable assembly 9 arranged on the first horizontal plate 8, wherein the handrail movable assembly 9 comprises a first fixed plate 10 fixed on the first horizontal plate 8 and a first mounting piece 11 rotatably connected with the first fixed plate 10.

[0037] The handrail is mounted on the first mounting piece 11, and the rotatable connection between the first mounting piece 11 and the first fixed plate 10 enables the handrail to be adjusted at multiple angles, and in some embodiments, the first mounting piece 11 and the first fixed plate 10 are connected through an angle adjuster.

[0038] Further, one end of the handrail mounting plate 42 is fixedly connected with the bottom of the connecting piece 41, and the other end is bent, and a handrail connecting part 7 for mounting a handrail is fixed on the other end.

[0039] Further, the backrest frame body 12 is provided with a plurality of second support plates 14 fixed at both sides of the backrest frame body 12, and a third drive cylinder 16 for driving the movement of a headrest mounting part 15 is movably arranged at the bottom end of the backrest frame body 12; the movement of the headrest mounting part 15 is driven by the extension and retraction of the third drive cylinder 16, so as to adjust the position of the headrest, thereby meeting the needs of users in different postures.

[0040] Further, the backrest frame 12 is provided with a fixed seat 17 on at least two adjacent second support plates 14, and the third driving cylinder 16 is movably connected with a second horizontal plate 18, the headrest mounting part 15 comprises a sliding rod 151 slidably connected to the fixed seat 17, and further comprises a headrest movable assembly 152 arranged at the end of the sliding rod 151, the headrest movable assembly 152 comprises a second fixed plate 153 fixed to one end of the sliding rod 151 and a second mounting part 154 rotatably connected to the second fixed plate 153; through the structure of the second fixed plate 153 and the second mounting part 154, the activity function of the headrest is realized, such as rotation or angle adjustment, further improving the user experience, and through the rotatable connection between the second mounting part 154 and the second fixed plate 153, the headrest can be adjusted at multiple angles, and in some embodiments, the second mounting part 154 and the second fixed plate 153 are connected through an angle adjuster.

[0041] Further, the fixed seat 17 is provided with a sliding groove for accommodating the sliding rod 151, and the second horizontal plate 18 is fixedly connected with a first sliding rail 19 slidably installed in the sliding groove together with the sliding rod 151, and the sliding rod 151 is fixedly connected with the first sliding rail 19.

[0042] Further, the first support plate 2 is connected with a sliding device 20, the sliding device 20 comprises a fixed frame 23 and a guide rail 201 fixedly installed on the fixed frame 23, further comprises a fourth driving cylinder 202 arranged on one side of the fixed frame 23, and a sliding plate 203 for connecting with the first support plate 2.

[0043] In this embodiment, the sliding device 20 provides the overall movement function for the sofa, so that the sofa can be flexibly moved in the space, and the user can adjust the position of the sofa in the horizontal direction as needed, wherein the fixed frame and the guide rail 201 provide a sliding track for the sliding plate 203, ensuring the stability and reliability of the movement of the sliding plate 203, and the fourth driving cylinder 202 provides power for the sliding plate 203, and drives the sliding plate 203 to slide on the guide rail 201 through the telescopic action, realizing the movement function of the sofa;

[0044] Further, the sliding plate 203 is rotatably installed with a support column 21 fixedly connected with the first support plate 2 at the top, and the sliding plate 203 is fixedly installed with a second sliding rail 22 slidably installed on the guide rail 201 at the bottom, and the fourth driving cylinder 202 is rotatably connected to one end of the sliding plate 203.

[0045] The sliding plate 203, the support column 21 and the second sliding rail 22 ensure the stable connection of the sliding plate 203 and the first support plate 2, and realize the smooth sliding of the sliding plate 203 through the cooperation of the second sliding rail 22 and the guide rail 201; in some embodiments, the base frame body 1 can rotate relative to the fixed frame 23.

[0046] The working process and principle of the utility model are as follows:

[0047] The utility model discloses an angle adjustment is realized through electric drive device, when the user needs to adjust the angle of backrest or handrail, first drive cylinder 44 or second drive cylinder 13 according to user instruction telescopic action, when first drive cylinder 44 telescopic, through the clamping part 43 drive connecting piece 41 rotation, and then make handrail mounting panel 42 rotate from sofa side position to sofa one end, realize the function switching of handrail and leg support, the second drive cylinder 13 on backrest frame body 12 adjusts the angle of backrest through telescopic action, so that the user can select comfortable posture according to different use scene;

[0048] The utility model discloses a first drive cylinder 44 through the linkage of clamping part 43 and connecting piece 41, realize the rotation of handrail mounting panel 42, the adjustment of backrest angle utilizes the telescopic action of second drive cylinder 13, changes the angle relation between backrest frame body 12 and base frame body 1, installs third drive cylinder 16 on backrest frame body 12 to drive the height of headrest, the integral movement of sofa frame body then relies on fourth drive cylinder 202 and is linked to make sofa whole can be in horizontal direction translation, this design not only realizes the multifunctionality of sofa, also improves the convenience and comfort of use.

[0049] The above detailed description of the specific embodiments of the utility model, but it is only as an example, the utility model is not limited to the above described specific embodiments, the skilled in the art should understand that the above embodiment and the description in the specification only illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, these changes and improvements all fall into the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-functional activity sofa frame, characterized in that: The utility model provides a kind of adjustable armrest, including base frame body (1), the first support plate (2) of two ends respectively fixed in base frame body (1) both sides is equipped on the base frame body (1), the load plate (3) is fixedly installed on the first support plate (2), the movable device (4) is rotatably connected on the load plate (3), the movable device (4) includes the connecting piece (41) rotatably installed on the load plate (3) and the handrail mounting plate (42) fixedly connected in the connecting piece (41) bottom, further including the clamping part (43) of sleeve connection in the connecting piece (41) top, the clamping part (43) one end is connected with the first drive cylinder (44) installed on the base frame body (1), and the first drive cylinder (44) telescopic end is rotatably connected with the clamping part (43) one end.

2. The multi-functional sofa frame of claim 1, wherein: The load plate (3) is provided with a limiting column (5) protruding, a limiting groove (6) is formed in the clamping part (43), and the limiting column (5) is slidably connected in the limiting groove (6).

3. The multi-functional sofa frame of claim 2, wherein: The handrail mounting plate (42) one end is fixedly connected with the connecting piece (41) bottom, the other end is bent, and a handrail connecting part (7) for mounting a handrail is fixed on the other end.

4. The multi-functional sofa frame of claim 3, wherein: The handrail connecting part (7) includes a first horizontal plate (8) fixedly arranged at one end of the handrail mounting plate (42), and further includes a handrail movable assembly (9) arranged on the first horizontal plate (8).

5. The multi-functional sofa frame of claim 1, wherein: One end of the base frame body (1) is movably connected with a backrest frame body (12), the second drive cylinder (13) is movably connected at the connection between the backrest frame body (12) and the base frame body (1), and the telescopic end of the second drive cylinder (13) is rotatably connected to the first support plate (2).

6. The multi-functional sofa frame of claim 5, wherein: The backrest frame body (12) is provided with a plurality of second support plates (14) fixed at both ends of the backrest frame body (12), and the bottom end of the backrest frame body (12) is movably provided with a third drive cylinder (16) for driving a headrest mounting part (15) to move.

7. The multi-functional sofa frame of claim 6, wherein: At least two adjacent second support plates (14) on the backrest frame body (12) are symmetrically provided with a fixing seat (17), the telescopic end of the third drive cylinder (16) is movably connected with a second horizontal plate (18), the headrest mounting part (15) includes a sliding rod (151) slidably connected to the fixing seat (17), and further includes a headrest movable assembly (152) arranged at the end of the sliding rod (151), the headrest movable assembly (152) includes a second fixed plate (153) fixed at one end of the sliding rod (151) and a second mounting piece (154) rotatably connected to the second fixed plate (153).

8. The multi-functional sofa frame of claim 7, wherein: The fixed seat (17) is provided with a sliding groove for accommodating a sliding rod (151), and the second horizontal plate (18) is fixedly connected with a first sliding rail (19) which is slidably installed in the sliding groove together with the sliding rod (151), and the sliding rod (151) is fixedly connected with the first sliding rail (19).

9. The multi-functional sofa frame of claim 1, wherein: The bottom of the first support plate (2) is connected with a sliding device (20), which comprises a fixing frame (23), a guide rail (201) fixedly installed on the fixing frame (23), a fourth driving cylinder (202) arranged on one side of the fixing frame (23), and a sliding plate (203) for connecting with the first support plate (2).

10. The multi-functional sofa frame of claim 9, wherein: The top of the sliding plate (203) is rotatably installed with a support column (21) fixedly connected with the first support plate (2), the bottom of the sliding plate (203) is fixedly installed with a second sliding rail (22) slidably installed on the guide rail (201), and the fourth driving cylinder (202) is rotatably connected at one end of the sliding plate (203).