A multifunctional adjustable sofa frame

Abstract

This utility model relates to the field of sofa frame technology, specifically a multi-functional adjustable sofa frame, including a fixed frame and a movable frame. The fixed frame is divided into a front fixed frame and a rear fixed frame, which are installed in parallel. Two slide rails are installed between the front and rear fixed frames. This multi-functional adjustable sofa frame uses a stepper motor to drive a slider along a slide rod, pushing a pulley to move inside the slide rails, adjusting the overlap length between the movable frame and the slide rails, thereby adjusting the overall length of the sofa frame. Simultaneously, when the movable frame moves, it causes an angle change between the second and first connecting frames, achieving synchronous adjustment of the armrest positions on both sides of the sofa, ensuring that the sofa armrests maintain a comfortable placement position regardless of the sofa frame's length.

Description

Technical Field

[0001] This utility model relates to the field of sofa frame technology, specifically a multi-functional adjustable sofa frame. Background Technology

[0002] The sofa frame is the core support structure of the sofa. The length of the sofa frame and the angle of the internal support directly affect the comfort of the user. At present, sofa frames can usually only be adjusted in length. However, the requirements of the backrest angle and armrests are different for the human body when lying down and sitting. Fixed backrests and armrests do not meet the ergonomics of the sofa frame in different usage scenarios.

[0003] To address the aforementioned issues, we have made improvements by proposing a multi-functional adjustable sofa frame. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0005] This utility model provides a multi-functional adjustable sofa frame, including a fixed frame and a movable frame. The fixed frame is divided into a front fixed frame and a rear fixed frame, which are installed in parallel. Two slide rails are installed between the front fixed frame and the rear fixed frame.

[0006] The inner side of the slide rail is connected to a connector and a pulley. The top of the connector is connected to the movable frame by bolts. A support frame is provided between the movable frame and the front fixed frame.

[0007] The support frame includes a first connecting frame and a second connecting frame, which are hinged together, and a handrail is fitted at the end of the second connecting frame.

[0008] As a preferred embodiment of this utility model, the pulley is slidably connected to the slide rail, the pulley is rotatably connected to the connecting member, a stabilizing frame is bolted between the two connecting members, and a slider is installed at the bottom of the stabilizing frame.

[0009] As a preferred embodiment of this utility model, a stepper motor is hinged to the front fixed frame, a slide rod is installed at the output end of the stepper motor, a slider is sleeved on the slide rod, the slider is slidably connected to the outer surface of the slide rod, a driving component is installed between the slider and the slide rod, and the driving component is connected to the output end of the stepper motor.

[0010] As a preferred embodiment of this utility model, the front section of the first connecting frame is hinged to the front fixed frame, the end of the first connecting frame is hinged to the front section of the second connecting frame, the end of the second connecting frame is hinged to the movable frame, the front section of the second connecting frame is bent downwards, and the handrail frame is engaged at the bend of the second connecting frame.

[0011] As a preferred technical solution of this utility model, a pillow frame is fixedly connected between the two first connecting frames by bolts.

[0012] As a preferred embodiment of this utility model, the fixed frame and the slide rail form a square, and the two side frames of the movable frame are arranged to overlap the slide rail portion vertically.

[0013] As a preferred embodiment of this utility model, a movable wheel is installed at the bottom of the other end of the movable frame away from the fixed frame, and the bottom of the movable wheel is horizontal with the bottom of the front fixed frame.

[0014] The beneficial effects of this utility model are:

[0015] 1. This multi-functional adjustable sofa frame uses a stepper motor to drive a slider to move along a slide bar, which in turn pushes a pulley to move inside the slide rail, adjusting the length of overlap between the movable frame and the slide rail, thereby adjusting the overall length of the sofa frame. At the same time, when the movable frame moves, it pushes the angle between the second frame and the first frame to change, achieving synchronous adjustment of the position of the armrests on both sides of the sofa, so that the sofa armrests maintain a comfortable placement position in different length states of the sofa frame.

[0016] 2. The height of the pillow frame between the two side support frames is adjusted according to the angle between the first and second connecting frames. When the overall length of the sofa frame is large, the height of the pillow frame decreases, and when the overall length of the sofa frame is short, the height of the pillow frame increases, which conforms to ergonomics and improves the comfort during use. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the lower structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the installation structure of the movable frame and support frame of this utility model;

[0021] Figure 4 This is a partially enlarged structural schematic diagram of the support frame of this utility model;

[0022] In the diagram: 1. Fixed frame; 101. Front fixed frame; 102. Rear fixed frame; 2. Moving frame; 3. Support frame; 301. First connecting frame; 302. Second connecting frame; 4. Handrail frame; 5. Slide rod; 6. Stepper motor; 7. Pillow frame; 8. Slide rail; 9. Slider; 10. Connector; 11. Pulley; 12. Stabilizer. Detailed Implementation

[0023] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0024] Example: Figure 1-4 As shown, a multi-functional adjustable sofa frame includes a fixed frame 1 and a movable frame 2. The fixed frame 1 is divided into a front fixed frame 101 and a rear fixed frame 102. The front fixed frame 101 and the rear fixed frame 102 are installed in parallel, and two slide rails 8 are installed between the front fixed frame 101 and the rear fixed frame 102.

[0025] The inner side of the slide rail 8 is connected to the connector 10 and the pulley 11. The top of the connector 10 is connected to the movable frame 2 by bolts. A support frame 3 is provided between the movable frame 2 and the front fixed frame 101.

[0026] The support frame 3 includes a first connecting frame 301 and a second connecting frame 302, which are hinged together. A handrail 4 is fitted at the end of the second connecting frame 302.

[0027] The pulley 11 is slidably connected to the slide rail 8, and the pulley 11 is rotatably connected to the connecting piece 10. A stabilizing frame 12 is bolted between the two connecting pieces 10, and a slider 9 is installed at the bottom of the stabilizing frame 12.

[0028] A stepper motor 6 is hinged to the front fixed frame 101. A slide rod 5 is installed at the output end of the stepper motor 6. A slider 9 is sleeved on the slide rod 5. The slider 9 is slidably connected to the outer surface of the slide rod 5. A driving component is installed between the slider 9 and the slide rod 5. The driving component is connected to the output end of the stepper motor 6.

[0029] When slider 9 is located at the end of slide bar 5 away from stepper motor 6, the overlap length between moving frame 2 and slide rail 8 is the shortest. At this time, the length of the sofa frame is the longest. When stepper motor 6 is started, slider 9 is moved to the other end of slide bar 5. During this process, the overlap length between moving frame 2 and slide rail 8 increases, and the overall length of the sofa frame is shortened.

[0030] The front section of the first connecting frame 301 is hinged to the front fixed frame 101, the end of the first connecting frame 301 is hinged to the front section of the second connecting frame 302, the end of the second connecting frame 302 is hinged to the movable frame 2, the front section of the second connecting frame 302 is bent downwards, and the handrail frame 4 is engaged at the bend of the second connecting frame 302.

[0031] A pillow frame 7 is bolted between the two first connecting frames 301.

[0032] As the length of the sofa frame is shortened, the angle at the connection between the first frame 301 and the second frame 302 decreases, which increases the height of the armrest frame 4. At the same time, the height of the pillow frame 7 is increased, changing the backrest angle of the sofa to adapt to the ergonomics of the sitting position.

[0033] The fixed frame 1 and the slide rail 8 form a square, and the two sides of the movable frame 2 are partially overlapped with the slide rail 8.

[0034] The bottom of the movable frame 2, away from the fixed frame 1, is equipped with a movable wheel, and the bottom of the movable wheel is horizontal with the bottom of the front fixed frame 101.

[0035] Working principle: When this multi-functional adjustable sofa frame is in use, the overlap length between the moving frame 2 and the slide rail 8 is shortest when the slider 9 is at the end of the slide rod 5 away from the stepper motor 6. At this time, the length of the sofa frame is at its longest. When the stepper motor 6 is started, the slider 9 moves to the other end of the slide rod 5. During this process, the overlap length between the moving frame 2 and the slide rail 8 increases, and the overall length of the sofa frame shortens. During the shortening of the sofa frame length, the angle at the connection between the first connecting frame 301 and the second connecting frame 302 decreases, which raises the height of the armrest frame 4. At the same time, the pillow frame 7 is raised, changing the backrest angle of the sofa to adapt to the ergonomics of the sitting position.

[0036] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model 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 this utility model should be included within the protection scope of this utility model.

Claims

1. A multi-functional adjustable sofa frame, comprising a fixed frame (1) and a movable frame (2), characterized in that, The fixing frame (1) is divided into a front fixing frame (101) and a rear fixing frame (102). The front fixing frame (101) and the rear fixing frame (102) are installed in parallel, and two slide rails (8) are installed between the front fixing frame (101) and the rear fixing frame (102). The inner side of the slide rail (8) is connected to a connector (10) and a pulley (11). The top of the connector (10) is connected to the movable frame (2) by bolts. A support frame (3) is provided between the movable frame (2) and the front fixed frame (101). The support frame (3) includes a first connecting frame (301) and a second connecting frame (302), the first connecting frame (301) and the second connecting frame (302) are hinged together, and a handrail (4) is sleeved at the end of the second connecting frame (302).

2. The multi-functional adjustable sofa frame according to claim 1, characterized in that, The pulley (11) is slidably connected to the slide rail (8), and the pulley (11) is rotatably connected to the connector (10). A stabilizing frame (12) is bolted between the two connectors (10), and a slider (9) is installed at the bottom of the stabilizing frame (12).

3. A multi-functional adjustable sofa frame according to claim 2, characterized in that, A stepper motor (6) is hinged to the front fixed frame (101). A slide rod (5) is installed at the output end of the stepper motor (6). A slider (9) is sleeved on the slide rod (5). The slider (9) is slidably connected to the outer surface of the slide rod (5). A driving component is installed between the slider (9) and the slide rod (5). The driving component is connected to the output end of the stepper motor (6).

4. A multi-functional adjustable sofa frame according to claim 1, characterized in that, The front section of the first connecting frame (301) is hinged to the front fixed frame (101), the end of the first connecting frame (301) is hinged to the front section of the second connecting frame (302), the end of the second connecting frame (302) is hinged to the movable frame (2), the front section of the second connecting frame (302) is bent downwards, and the handrail frame (4) is engaged at the bend of the second connecting frame (302).

5. A multi-functional adjustable sofa frame according to claim 1, characterized in that, A pillow frame (7) is fixedly connected between the two first connecting frames (301) by bolts.

6. A multi-functional adjustable sofa frame according to claim 1, characterized in that, The fixed frame (1) and the slide rail (8) form a square, and the two sides of the movable frame (2) are partially overlapped with the slide rail (8).

7. A multi-functional adjustable sofa frame according to claim 1, characterized in that, The bottom of the movable frame (2) away from the fixed frame (1) is equipped with a movable wheel, and the bottom of the movable wheel is horizontal with the bottom of the front fixed frame (101).

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