An adjustable sofa frame

Abstract

This utility model provides an adjustable sofa frame, relating to the field of furniture technology. It includes a sofa frame base, on which a linkage function frame is mounted. The linkage function frame includes cushion mounting frames symmetrically arranged inside the sofa frame base. The cushion mounting frames are connected to the sofa frame base via a sliding component and slide relative to the sofa frame base via a drive component. One end of the cushion mounting frame is hinged to a backrest mounting frame, and the backrest mounting frame is tilted back and unfolded by the drive component. The advantage of this utility model is that the sofa cushion and backrest mounting frame achieve linkage functionality through a simple mechanical structure. Users can easily adjust the sofa's posture simply by using the drive component, without complicated operating steps.

Description

Technical Field

[0001] This utility model relates to the field of furniture technology, and in particular to an adjustable sofa frame. Background Technology

[0002] Sofas are an indispensable piece of furniture in modern homes, and their functionality and comfort directly impact the user experience. Traditional sofas typically only offer basic sitting and reclining functions, but in specific scenarios, such as watching TV, reading, or resting, users desire the ability to adjust their posture more comfortably. While existing sofa frames meet these needs to some extent, they still have many shortcomings in terms of structural design, ease of operation, stability, and durability. Existing patented technologies, such as the electric sofa cushion adjustment frame (patent number CN210353994U), while enabling seat cushion height and tilt adjustments via an electric push rod, suffer from complex structures and high costs.

[0003] Therefore, a new type of sofa cushion functional frame is needed to overcome these shortcomings. Utility Model Content

[0004] This invention overcomes the shortcomings of the prior art and provides an adjustable sofa frame.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] An adjustable sofa frame includes a sofa frame base, on which a linkage function frame is mounted. The linkage function frame includes cushion mounting frames symmetrically arranged inside the sofa frame base. The cushion mounting frames are connected to the sofa frame base via a sliding component and slide relative to the sofa frame base via a driving component.

[0007] One end of the seat cushion mounting bracket is hinged to the backrest mounting bracket, and the backrest mounting bracket is tilted back and unfolded by the drive component.

[0008] Preferably, the other end of the seat mounting bracket is connected to a support connection component for extending the seat connection, and is connected to the drive component through the support connection component.

[0009] Preferably, the support connection assembly includes a support assembly for extending and supporting the seat cushion connection and a connection assembly for connecting the drive assembly;

[0010] The support component is connected to the seat cushion mounting frame and is located at the opposite end of the backrest mounting frame. The support component is hinged to the drive component through a connecting component. The drive component drives the connecting component to move the support component and drives the seat cushion mounting frame to slide relative to the sofa frame base, thereby causing the backrest mounting frame to tilt back and unfold.

[0011] Preferably, the support assembly includes a first connecting rod connected to the cushion mounting frame, one end of the first connecting rod being fixedly connected to the cushion mounting frame, and the other end being fixedly connected to a support member for connecting a sofa cushion;

[0012] The support member is hinged to the connecting assembly via a rotating rod, and the support member is equipped with retractable support feet.

[0013] Preferably, the lower end of the support foot is provided with a roller.

[0014] Preferably, the support member is provided with an arc-shaped first sliding groove, the upper end of the support foot is hinged to the support member, and the middle part is connected to the first sliding groove through a first connecting shaft;

[0015] With the hinge point between its upper end and the support member as the center, the support leg can reciprocate within the arc-shaped first groove via the first connecting shaft to achieve the storage or unfolding of the support leg.

[0016] The support foot is fixedly connected to the rotating rod.

[0017] Preferably, the connecting assembly includes a second connecting rod, the connecting end of the second connecting rod being hinged to the driving assembly, and the extending end of the second connecting rod being hinged to the rotating rod.

[0018] Preferably, the sofa frame base includes side panels on both sides and a first support rod and a second support rod parallel to each other between the two side panels, and the seat cushion mounting bracket, the sliding assembly, and the backrest mounting bracket are symmetrically arranged inside the two side panels;

[0019] The driving assembly includes a sliding rod located between the first support rod and the second support rod. One end of the sliding rod is provided with a drive motor, which drives a slider to move on the sliding rod. The connecting end of the second connecting rod is hinged to the slider.

[0020] The rotating rod is parallel to the first support rod and the second support rod.

[0021] Preferably, the seat cushion mounting frame includes a backrest connecting end, an extension connecting end, and a seat cushion mounting part. The backrest connecting end is hinged to the backrest mounting frame, and the extension connecting end is fixedly connected to the first connecting rod and moves synchronously.

[0022] Preferably, a limiting member is provided on the lower side of the extended connecting end. When the backrest mounting frame is fully extended, the limiting member is located on one side of the second support rod. The second support rod limits the movement of the cushion mounting frame by limiting the movement of the limiting member.

[0023] Preferably, the backrest mounting bracket includes an L-shaped connecting rod, a backrest connecting rod, and a connecting piece. The lower end of the connecting piece is fixedly installed on the inner side of the side plate. The connecting piece is provided with an arc-shaped third sliding groove. One end of the backrest connecting rod is hinged to the connecting piece and connected to the third sliding groove through a third connecting shaft. One end of the connecting piece is circular with the hinge point to the connecting piece, and can reciprocate within the arc-shaped third sliding groove through the third connecting shaft.

[0024] The other end of the connecting piece is hinged to the L-shaped connecting rod. The backrest connecting end is provided with an arc-shaped second sliding groove. The L-shaped connecting rod is connected to the second sliding groove through a second connecting shaft. The lower end of the L-shaped connecting rod is hinged to the backrest connecting end. The L-shaped connecting rod can reciprocate within the arc-shaped second sliding groove with the hinge point with the backrest connecting end as the center.

[0025] Compared with the prior art, the beneficial effects of this utility model are:

[0026] An adjustable sofa frame, which integrates the seat cushion and backrest mounting brackets, achieves linkage between the seat cushion and backrest through a simple mechanical structure. Users can easily adjust the sofa's posture simply by using the drive component, without complicated operating steps. In addition, one end of the sofa seat cushion is equipped with a support connection component for extending and supporting the front edge of the seat cushion. After the frame is unfolded, the flat lying area is significantly expanded, making it more convenient to use. Attached Figure Description

[0027] The accompanying drawings are provided to further illustrate the present invention and, together with the embodiments of the present invention, are used to explain the present invention. They do not constitute a limitation thereof. In the drawings:

[0028] Figure 1 This is a first structural schematic diagram of the functional frame described in this utility model;

[0029] Figure 2 This is a utility model Figure 1 Schematic diagram of the structure at point A;

[0030] Figure 3 This is a second structural schematic diagram of the functional frame described in this utility model;

[0031] Figure 4This is a third structural schematic diagram of the functional frame described in this utility model;

[0032] In the diagram: 1-Sofa frame base; 2-Linkage function frame; 3-Seat cushion mounting frame; 4-Sliding component; 5-Drive component; 6-Backrest mounting frame; 7-Support connection component; 8-Backrest panel;

[0033] 101-Side plate; 102-First support rod; 103-Second support rod;

[0034] 301-Backrest connecting end; 302-Extended connecting end; 303-Seat cushion mounting part; 304-Limiting component; 305-Second slide groove; 306-Second connecting shaft;

[0035] 501 - Sliding rod; 502 - Drive motor; 503 - Slider;

[0036] 601-L-type connecting rod; 602-backrest connecting rod; 603-connecting piece; 604-third sliding groove; 605-third connecting shaft;

[0037] 701 - Support component; 702 - Connecting component;

[0038] 70101-First connecting rod; 70102-Support member; 70103-Rotating rod; 70104-Support foot; 70105-First slide groove; 70106-First connecting shaft;

[0039] 70201 - Second connecting rod; 70202 - Connecting end; 70203 - Push-out end. Detailed Implementation

[0040] 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.

[0041] like Figures 1 to 4 As shown, an adjustable sofa frame includes a sofa frame base 1, a linkage function frame 2 is installed on the sofa frame base 1, and the linkage function frame 2 includes cushion mounting frames 3 symmetrically arranged inside the sofa frame base 1. The cushion mounting frames 3 are connected to the sofa frame base 1 through a sliding component 4 and slide relative to the sofa frame base 1 through the drive component 5.

[0042] One end of the seat cushion mounting bracket 3 is hinged to the backrest mounting bracket 6, and the backrest mounting bracket 6 is tilted back and unfolded by the drive component 5.

[0043] A support connection component 7 for extending the seat cushion connection is connected to the other end of the seat cushion mounting frame 3. The support connection component 7 is connected to the drive component 5 and is linked with the seat cushion mounting frame 3. The support connection component 7 actively extends the front edge of the seat cushion, significantly increasing the flat area after the functional frame is unfolded. The connection and drive between the drive component 5 and the support connection component 7 control the overall sliding of the seat cushion mounting frame 3 and the backrest mounting frame 6 to tilt backward, simplifying the structure and reducing the failure rate.

[0044] Specifically, the support connection assembly 7 includes a support assembly 701 for extending and supporting the seat cushion connection and a connection assembly 702 for connecting the drive assembly 5;

[0045] The support component 701 is connected to the seat cushion mounting frame 3 and is located at the opposite end of the backrest mounting frame 6. The support component 701 is hinged to the drive component 5 through the connecting component 702. The drive component 5 drives the connecting component 702 to move the support component 701 and drives the seat cushion mounting frame 3 to slide relative to the sofa frame base 1, thereby causing the backrest mounting frame 6 to tilt back and unfold.

[0046] The support assembly 701 includes a first connecting rod 70101 connected to the seat cushion mounting frame 3. One end of the first connecting rod 70101 is fixedly connected to the seat cushion mounting frame 3, and the other end is fixedly connected to a support member 70102 that can be used to connect the sofa seat cushion.

[0047] The support member 70102 is hinged to the connecting assembly 702 via a rotating rod 70103, and the support member 70102 is equipped with a retractable support foot 70104.

[0048] Furthermore, the lower end of the support foot 70104 is equipped with a roller, which makes it easier to unfold and store the support foot 70104.

[0049] In this embodiment, the support member 70102 is provided with an arc-shaped first sliding groove 70105, the upper end of the support foot 70104 is hinged to the support member 70102, and the middle part is connected to the first sliding groove 70105 through a first connecting shaft 70106.

[0050] With the hinge point between the upper end of the support leg 70104 and the support member 70102 as the center, it can reciprocate within the arc-shaped first sliding groove 70105 via the first connecting shaft 70106 to store or unfold the support leg 70104, thus avoiding the space-consuming problem of traditional fixed brackets.

[0051] The support foot 70104 is fixedly connected to the rotating rod 70103.

[0052] Its connecting component 702 includes a second connecting rod 70201, the connecting end 70202 of the second connecting rod 70201 is hinged to the driving component 5, and the pushing end 70203 of the second connecting rod 70201 is hinged to the rotating rod 70103.

[0053] In this embodiment, the sofa frame base 1 includes side plates 101 located on both sides and a first support rod 102 and a second support rod 103 arranged parallel to each other between the two side plates 101. The seat cushion mounting bracket 3, the sliding assembly 4, and the backrest mounting bracket 6 are all symmetrically arranged inside the two side plates 101.

[0054] The drive assembly 5 includes a sliding rod 501 located between the first support rod 102 and the second support rod 103. One end of the sliding rod 501 is provided with a drive motor 502. The drive motor 502 drives the slider 503 to move on the sliding rod 501. The connecting end 70202 of the second connecting rod 70201 is hinged to the slider 503.

[0055] The rotating rod 70103 is parallel to the first support rod 102 and the second support rod 103.

[0056] Furthermore, the seat cushion mounting bracket 3 includes a backrest connecting end 301, an extension connecting end 302, and a seat cushion mounting part 303. The backrest connecting end 301 is hinged to the backrest mounting bracket 6, and the extension connecting end 302 is fixedly connected to the first connecting rod 70101 and moves synchronously.

[0057] A limiting member 304 is provided on the lower side of the extended connection end 302. When the backrest mounting frame 6 is fully extended, the limiting member 304 is located on one side of the second support rod 103. The second support rod 103 limits the movement of the limiting member 304, thereby limiting the movement of the seat cushion mounting frame 3, accurately controlling the maximum sliding distance of the seat cushion, and preventing excessive extension from causing structural interference.

[0058] The backrest mounting bracket 6 includes an L-shaped connecting rod 601, a backrest connecting rod 602, and a connecting piece 603. The lower end of the connecting piece 603 is fixedly installed on the inner side of the side plate 101. The connecting piece 603 is provided with an arc-shaped third sliding groove 604. One end of the backrest connecting rod 602 is hinged to the connecting piece 603 and connected to the third sliding groove 604 through a third connecting shaft 605. One end of the connecting piece 603 is circular with the hinge point of the connecting piece 603, and can reciprocate within the arc-shaped third sliding groove 604 through the third connecting shaft 605.

[0059] The other end of the connecting piece 603 is hinged to the L-shaped connecting rod 601. The backrest connecting end 301 is provided with an arc-shaped second sliding groove 305. The L-shaped connecting rod 601 is connected to the second sliding groove 305 through the second connecting shaft 306. The lower end of the L-shaped connecting rod 601 is hinged to the backrest connecting end 301, and the upper end of the L-shaped connecting rod 601 is connected to the backrest plate 8. The L-shaped connecting rod 601 can reciprocate in the arc-shaped second sliding groove 305 with the hinge point with the backrest connecting end 301 as the center, and drive the backrest plate 8 to tilt backward through the second connecting shaft 306.

[0060] The backrest mounting bracket 6 and the seat cushion mounting bracket 3 are provided with double sliding grooves. The third sliding groove 604 of the connecting piece 603 limits the backward curvature of the backrest connecting rod 602. The second sliding groove 305 of the backrest connecting end 301 controls the rotation path of the L-shaped connecting rod 601, ensuring the angle when the backrest is unfolded and ensuring that the backrest mounting bracket 6 and the seat cushion slide synchronously, avoiding jamming or rebound.

[0061] like Figure 1 and Figure 4 As shown in the figure, this is an unfolded view of the functional frame of this utility model. The drive motor 502 drives the slider 503 to move along the sliding rod 501 towards the second support rod 103, causing the push-out end 70203 of the second connecting rod 70201 to push the rotating rod 70103, thereby moving the first connecting rod 70101 and the seat cushion mounting bracket 3. Simultaneously, this causes the backrest mounting bracket 6 and the backrest panel 8 to tilt backward and unfold. When the backrest mounting bracket 6 and the backrest panel 8 are fully unfolded, the limiting member 304 is located on one side of the second support rod 103 and restricts the limiting member 304 and the seat cushion mounting bracket. As the frame 3 moves, the drive motor 502 continues to drive the slider 503 to move on the sliding rod 501, causing the push-out end 70203 of the second connecting rod 70201 to push the rotating rod 70103 to rotate. At the same time, the connecting end 70202 of the second connecting rod 70201 rotates, so that the support foot 70104 slides in the arc-shaped first slide groove 70105 with the hinge point between its upper end and the support member 70102 as the center, through the first connecting shaft 70106. The support foot 70104 rotates out and touches the ground, completing the support of the front end of the support connection assembly 7.

[0062] like Figure 3 As shown in the figure, this is a diagram of the functional shelf of this utility model in its storage state when used as a sofa. Figure 1 and Figure 4In the unfolded state, when it is necessary to shorten the sofa cushion, the drive motor 502 drives the slider 503 to move on the sliding rod 501 toward the first support rod 102. The connecting end 70202 of the second connecting rod 70201 rotates, causing the pushing end 70203 of the second connecting rod 70201 to pull the rotating rod 70103 to rotate. This causes the support foot 70104 to slide in the opposite direction in the arc-shaped first slide groove 70105 with the hinge point between its upper end and the support member 70102 as the center, through the first connecting shaft 70106. This retracts the support foot 70104 on the lower side of the support member 70102 toward the first support rod 102 until the first connecting shaft 70106 moves from one end of the first slide groove 70105 to the other end, thus completing the retraction of the support foot 70104.

[0063] At this time, the drive motor 502 continues to drive the slider 503 to move towards the first support rod 102 side of the sliding rod 501. By pulling the rotating rod 70103, the first connecting rod 70101 and the seat cushion mounting bracket 3 are moved towards the first support rod 102 side, while the backrest mounting bracket 6 and the backrest panel 8 are restored to their original state until the slider 503 slides to the original position, thus completing the restoration of the entire functional frame and forming a normal sofa state.

[0064] The present invention provides a seat cushion mounting bracket 3 and a backrest mounting bracket 6 that achieve the linkage function of the seat cushion and the backrest through a simple mechanical structure. Users can easily adjust the posture of the sofa by simply using the drive component 5 without complicated operation steps. The support connection component 7 is set at a section of the active seat cushion mounting bracket 3 to extend the front edge of the seat cushion and provide support. After the functional frame is unfolded, the flat lying area is significantly expanded, making it more convenient to use.

[0065] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the 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. However, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An adjustable sofa frame, characterized in that: Includes a sofa frame base (1), on which a linkage function frame (2) is installed. The linkage function frame (2) includes a cushion mounting frame (3) symmetrically arranged inside the sofa frame base (1). The cushion mounting frame (3) is connected to the sofa frame base (1) through a sliding component (4) and slides relative to the sofa frame base (1) through the drive component (5). One end of the seat cushion mounting bracket (3) is hinged to the backrest mounting bracket (6) and the backrest mounting bracket (6) is driven by the drive assembly (5) to tilt and unfold backward.

2. An adjustable sofa function frame according to claim 1, characterized in that: The other end of the seat mounting bracket (3) is connected to a support connection component (7) for extending the seat connection, and is connected to the drive component (5) through the support connection component (7).

3. An adjustable sofa function frame according to claim 2, characterized in that: The support connection assembly (7) includes a support assembly (701) for extending and supporting the seat cushion connection and a connection assembly (702) for connecting the drive assembly (5); The support component (701) is connected to the seat cushion mounting bracket (3) and is located at the opposite end of the backrest mounting bracket (6). The support component (701) is hinged to the drive component (5) through the connecting component (702). The drive component (5) drives the connecting component (702) to move the support component (701) and drives the seat cushion mounting bracket (3) to slide relative to the sofa frame base (1), thereby causing the backrest mounting bracket (6) to tilt back and unfold.

4. An adjustable sofa function frame according to claim 3, characterized in that: The support assembly (701) includes a first connecting rod (70101) connected to the cushion mounting frame (3). One end of the first connecting rod (70101) is fixedly connected to the cushion mounting frame (3), and the other end is fixedly connected to a support member (70102) that can be used to connect the sofa cushion. The support member (70102) is hinged to the connecting assembly (702) via a rotating rod (70103), and a retractable support foot (70104) is installed on the support member (70102).

5. An adjustable sofa function frame according to claim 4, characterized in that: The lower end of the support foot (70104) is configured as a roller.

6. An adjustable sofa function frame according to claim 4, characterized in that: The support member (70102) is provided with an arc-shaped first sliding groove (70105), the upper end of the support foot (70104) is hinged to the support member (70102), and the middle part is connected to the first sliding groove (70105) through a first connecting shaft (70106); The support leg (70104) is centered on the hinge point between its upper end and the support member (70102). It can reciprocate within the arc-shaped first slide groove (70105) via the first connecting shaft (70106) to accommodate or unfold the support leg (70104). The support foot (70104) is fixedly connected to the rotating rod (70103); The connecting assembly (702) includes a second connecting rod (70201), the connecting end (70202) of the second connecting rod (70201) is hinged to the driving assembly (5), and the pushing end (70203) of the second connecting rod (70201) is hinged to the rotating rod (70103).

7. An adjustable sofa function frame according to claim 6, characterized in that: The sofa frame base (1) includes side plates (101) on both sides and a first support rod (102) and a second support rod (103) parallel to each other between the two side plates (101). The seat cushion mounting bracket (3), the sliding assembly (4), and the backrest mounting bracket (6) are symmetrically arranged inside the two side plates (101). The drive assembly (5) includes a sliding rod (501) located between the first support rod (102) and the second support rod (103). One end of the sliding rod (501) is provided with a drive motor (502). The drive motor (502) drives the slider (503) to move on the sliding rod (501). The connecting end (70202) of the second connecting rod (70201) is hinged to the slider (503). The rotating rod (70103) is parallel to the first support rod (102) and the second support rod (103).

8. An adjustable sofa function frame according to claim 7, characterized in that: The seat cushion mounting bracket (3) includes a backrest connecting end (301), an extension connecting end (302), and a seat cushion mounting part (303). The backrest connecting end (301) is hinged to the backrest mounting bracket (6), and the extension connecting end (302) is fixedly connected to the first connecting rod (70101) and moves synchronously.

9. An adjustable sofa function frame according to claim 8, characterized in that: The extension connection end (302) is provided with a limiting member (304) on its lower side. When the backrest mounting frame (6) is fully extended, the limiting member (304) is located on one side of the second support rod (103). The second support rod (103) limits the movement of the cushion mounting frame (3) by limiting the movement of the limiting member (304).

10. An adjustable sofa frame according to claim 8 or 9, characterized in that: The backrest mounting bracket (6) includes an L-shaped connecting rod (601), a backrest connecting rod (602), and a connecting piece (603). The lower end of the connecting piece (603) is fixedly installed on the inner side of the side plate (101). The connecting piece (603) is provided with an arc-shaped third sliding groove (604). One end of the backrest connecting rod (602) is hinged to the connecting piece (603) and connected to the third sliding groove (604) through a third connecting shaft (605). One end of the connecting piece (603) is circular with the hinge point of the connecting piece (603) as a circle, and can reciprocate within the arc-shaped third sliding groove (604) through the third connecting shaft (605). The other end of the connecting piece (603) is hinged to the L-shaped connecting rod (601). The backrest connecting end (301) is provided with an arc-shaped second sliding groove (305). The L-shaped connecting rod (601) is connected to the second sliding groove (305) through the second connecting shaft (306). The lower end of the L-shaped connecting rod (601) is hinged to the backrest connecting end (301). The L-shaped connecting rod (601) can reciprocate within the arc-shaped second sliding groove (305) with the hinge point with the backrest connecting end (301) as the center.

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