An adjustable sofa

Abstract

This utility model provides an adjustable sofa, including a base and a first seat plate that can be raised and lowered on the base, and a second seat plate that can be movably installed on both sides of the base. The base is equipped with a driving component that drives the first seat plate to rise and fall. The driving component controls the first seat plate to rise, and the second seat plate can be moved into a slot between the base and the first seat plate, allowing the first and second seat plates to be folded together. The driving component can also control the height of the first seat plate to meet different seating depth requirements. The second seat plate can be movably positioned below the first seat plate, allowing both the first and second seat plates to be folded together to reduce the size of the sofa and thus reduce its space occupation. The height of the first seat plate can also be adjusted by the driving component to meet different seating depth requirements. The second seat plate can also extend, and the driving component controls the first seat plate to descend, making it flush with the upper surface of the second seat plate, expanding the sofa size to meet the needs of multiple people sitting.

Description

Technical Field

[0001] This utility model relates to the field of furniture equipment technology, specifically an adjustable sofa. Background Technology

[0002] Traditional sofas, due to structural limitations, cannot adjust their length or seat depth. Longer sofas take up a lot of space when not in use, while shorter sofas are too cramped when guests come over. The poor adjustability and adaptability of sofa structures make it difficult to meet the needs of different environments and people. Therefore, an adjustable sofa is needed. Utility Model Content

[0003] The technical problem solved by this utility model is to provide an adjustable sofa to address the issues raised in the background section.

[0004] The technical problem solved by this utility model is achieved by the following technical solution: An adjustable sofa includes a base and a first seat plate that can be raised and lowered and installed on the base, and a second seat plate that can be movably installed on both sides of the base. The base is provided with a driving component for adjusting the height of the first seat plate. The driving component controls the first seat plate to rise, and the second seat plate can be moved into the slot between the base and the first seat plate to realize the folding arrangement of the first and second seat plates. The driving component can also control and adjust the height of the first seat plate to meet the different sitting depth requirements of people. The base is provided with a displacement component for driving the second seat plate to extend and retract. A support seat is provided on the outer end of the second seat plate, and universal wheels are elastically distributed at the lower end of the support seat so that the support seat elastically abuts against the ground. After the second seat plate is pulled outward, the driving component can control the first seat plate to descend so that the upper surface of the first seat plate is flush with the upper surface of the second seat plate.

[0005] As a further embodiment of this utility model:

[0006] The driving component is installed in the middle of the base. The driving component includes a first electric cylinder installed on the base and guide cylinders distributed around the first electric cylinder. A guide rod is slidably installed in the guide cylinder. The upper end of the guide rod is fixedly connected to the first base plate. The outer end of the output rod of the first electric cylinder is also fixedly connected to the first base plate to achieve stable lifting and lowering adjustment of the first base plate.

[0007] As a further embodiment of this utility model:

[0008] The displacement components are symmetrically installed on both sides of the base. The displacement components include slide rails installed side by side at the front and rear ends of the base and a second electric cylinder for driving the second seat plate to move. The lower ends of the second seat plate are respectively provided with sliders on both sides and are slidably installed on the slide rails through the sliders. The second electric cylinder is installed on the base and located between the slide rails on both sides. The outer end of the output rod of the second electric cylinder is fixedly connected to the support seat to push the second seat plate to move telescopically.

[0009] As a further embodiment of this utility model:

[0010] The base is provided with a limiting plate on one side of the slide rail to hold the first base plate in place and control the position of the first base plate as it descends. A baffle is fixedly provided on the side of the slide rail away from the limiting plate to hold the slider in place and prevent the slider from disengaging from the slide rail.

[0011] As a further embodiment of this utility model:

[0012] A spring shaft is fixedly installed on the universal wheel, and the support base has a shaft hole corresponding to the spring shaft. A shaft block is fixedly installed at the upper end of the spring shaft and is slidably installed in the shaft hole through the shaft block. A spring is provided at the upper end of the shaft hole to push the shaft block to move downward so that the universal wheel elastically abuts against the ground.

[0013] As a further embodiment of this utility model:

[0014] A first backrest is vertically mounted on the outer side of the first seat plate. A second backrest is mounted on each side of the first backrest via hinges. The second backrest is rotatably mounted on the first backrest via hinges.

[0015] As a further embodiment of this utility model:

[0016] The hinge includes a first hinge cylinder mounted on a first backrest panel and a second hinge cylinder mounted on a second backrest panel. The first and second hinge cylinders are staggered and are inserted into the inner cavities of the first and second hinge cylinders via hinge shafts to rotate the first and second hinge cylinders.

[0017] As a further embodiment of this utility model:

[0018] The hinge shaft is integrally provided with a limiting clip, and the inner cavities of the first hinge cylinder and the second hinge cylinder are respectively provided with limiting slots corresponding to the limiting clip. The limiting clip is inserted into the limiting slot to lock the first backrest and the second backrest.

[0019] Compared with the prior art, the beneficial effects of this utility model are: the second seat plate of the device can be movably set at the lower end of the first seat plate, so that the first seat plate and the second seat plate can be folded together to reduce the size of the sofa and thus reduce the space occupied by the sofa; the height of the first seat plate can also be adjusted by the drive component to meet the different requirements of people for sitting depth.

[0020] The second seat can also extend, and the drive unit controls the first seat to descend and become flush with the upper surface of the second seat, expanding the sofa size to meet the needs of multiple people sitting and leaning.

[0021] The second backrest panel is rotatably mounted on the outside of the first backrest panel. When not in use, the second backrest panel is attached to the back of the first backrest panel. When in use, the first backrest panel unfolds outward and becomes flush with the first backrest panel. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0023] Figure 2 This is a partial cross-sectional view of the present invention. Figure 1 ;

[0024] Figure 3 This is a partial cross-sectional view of the present invention. Figure 2 ;

[0025] The diagram shows the following components: 1. Base; 2. First base plate; 3. Second base plate; 11. First electric cylinder; 12. Guide slide cylinder; 13. Guide rod; 14. Slide rail; 15. Second electric cylinder; 16. Limiting plate; 17. Slider; 18. Baffle; 21. First backrest plate; 22. Second backrest plate; 23. First hinge cylinder; 24. Second hinge cylinder; 25. Hinge shaft; 26. Limiting clip; 31. Support base; 32. Caster wheel; 33. Spring shaft; 34. Shaft block; 35. Shaft hole; 36. Spring. Detailed Implementation

[0026] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below with reference to specific illustrations.

[0027] like Figures 1-3 As shown,

[0028] This embodiment provides an adjustable sofa, including a base 1, a first seat plate 2 that can be raised and lowered on the base 1, and a second seat plate 3 that can be movably installed on both sides of the base 1. The base 1 is provided with a driving component for adjusting the height of the first seat plate 2. The driving component controls the first seat plate 2 to rise, and the second seat plate 3 can be moved into the slot between the base 1 and the first seat plate 2, realizing the folding arrangement of the first seat plate 2 and the second seat plate 3. The driving component can also control and adjust the height of the first seat plate 2 to meet different sitting depth requirements of people. The base 1 is provided with a displacement component for driving the second seat plate 3 to extend and retract. The outer end of the second seat plate 3 is provided with a support seat 31, and the lower end of the support seat 31 is elastically distributed with casters 32 so that the support seat 31 elastically abuts against the ground. After the second seat plate 3 is pulled outward, the driving component can control the first seat plate 2 to descend so that the upper surface of the first seat plate 2 is flush with the upper surface of the second seat plate 3.

[0029] In this embodiment, the driving component is installed in the middle of the base 1. The driving component includes a first electric cylinder 11 installed on the base 1 and guide cylinders 12 distributed around the first electric cylinder 11. A guide rod 13 is slidably installed in the guide cylinder 12. The upper end of the guide rod 13 is fixedly connected to the first base plate 2. The outer end of the output rod of the first electric cylinder 11 is also fixedly connected to the first base plate 2 to achieve stable lifting and lowering adjustment of the first base plate 2.

[0030] In this embodiment, the displacement components are symmetrically installed on both sides of the base 1. The displacement components include slide rails 14 installed in parallel at the front and rear ends of the base 1 and a second electric cylinder 15 for driving the second seat plate 3 to move. The lower ends of the second seat plate 3 are respectively provided with sliders 17, which are slidably installed on the slide rails 14. The second electric cylinder 15 is installed on the base 1 and located between the slide rails 14 on both sides. The outer end of the output rod of the second electric cylinder 15 is fixedly connected to the support seat 31 to push the second seat plate 3 to move telescopically.

[0031] The base 1 is provided with a limiting plate 16 on one side of the slide rail 14 to hold the first seat plate 2 and control the position of the first seat plate 2 as it descends; the slide rail 14 is fixedly provided with a baffle 18 on the side away from the limiting plate 16 to hold the slider 17 and prevent the slider 17 from disengaging from the slide rail 14.

[0032] In this embodiment, a spring shaft 33 is fixedly installed on the universal wheel 32, and the support base 31 is provided with a shaft hole 35 corresponding to the spring shaft 33. A shaft block 34 is fixedly provided on the upper end of the spring shaft 33 and is slidably installed in the shaft hole 35 through the shaft block 34. A spring 36 is provided on the upper end of the shaft hole 35 to push the shaft block 34 to move downward, so that the universal wheel 32 elastically abuts against the ground.

[0033] In this embodiment, a first backrest plate 21 is vertically installed on the outer side of the first seat plate 2, and a second backrest plate 22 is installed on both sides of the first backrest plate 21 through hinges. The second backrest plate 22 is rotatably installed on the first backrest plate 21 through hinges.

[0034] The hinge includes a first hinge cylinder 23 mounted on a first backrest plate 21 and a second hinge cylinder 24 mounted on a second backrest plate 22. The first hinge cylinder 23 and the second hinge cylinder 24 are staggered and are inserted into the inner cavities of the first hinge cylinder 23 and the second hinge cylinder 24 through a hinge shaft 25 to rotate the first hinge cylinder 23 and the second hinge cylinder 24.

[0035] The first backrest panel 21 and the second backrest panel 22 are rotatably connected by a hinge. The second backrest panel 22 is prone to wobbling, and it is difficult to achieve the function of back support if it is not against a wall. Therefore, a limiting clip 26 is integrally provided on the hinge shaft 25. The inner cavities of the first hinge cylinder 23 and the second hinge cylinder 24 are respectively provided with limiting slots corresponding to the limiting clip 26. The limiting clip 26 is inserted into the limiting slot to lock the first backrest panel 21 and the second backrest panel 22.

[0036] Specifically, the second seat plate 3 of the device is movably disposed at the lower end of the first seat plate 2, so that the first seat plate 2 and the second seat plate 3 are folded together to reduce the size of the sofa and thus reduce the space occupied by the sofa; the height of the first seat plate 2 can also be adjusted by a drive component to meet different requirements of people for sitting depth.

[0037] The second seat plate 3 can also extend, and the drive unit controls the first seat plate 2 to descend and become flush with the upper surface of the second seat plate 3, thereby expanding the size of the sofa and meeting the needs of multiple people sitting and leaning.

[0038] The second backrest panel 22 is rotatably disposed on the outside of the first backrest panel 21. When not in use, the second backrest panel 22 is attached to the back of the first backrest panel 21. When in use, the first backrest panel 21 unfolds outward and is flush with the first backrest panel 21.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents. It should be noted that, in this document, the use of relational terms such as "first" and "second" is merely used to distinguish one entity or operation from another, and does not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. In the absence of further restrictions, an element defined by the phrase "comprising a..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. An adjustable sofa, characterized in that: The system includes a base (1) and a first seat plate (2) that can be raised and lowered on the base (1), and a second seat plate (3) that can be movably installed on both sides of the base (1). The base (1) is provided with a drive component that drives the first seat plate (2) to rise and lower. The drive component controls the first seat plate (2) to rise. The second seat plate (3) can be moved into the slot between the base (1) and the first seat plate (2). The base (1) is provided with a displacement component that drives the second seat plate (3) to move in and out. The outer end of the second seat plate (3) is provided with a support seat (31). The lower end of the support seat (31) is elastically provided with casters (32) so that the support seat (31) elastically abuts against the ground. After the second seat plate (3) is pulled outward, the drive component can control the first seat plate (2) to fall, so that the upper surface of the first seat plate (2) and the second seat plate (3) are flush.

2. The adjustable sofa according to claim 1, characterized in that: The driving component is installed in the middle of the base (1). The driving component includes a first electric cylinder (11) installed on the base (1) and guide cylinders (12) distributed around the first electric cylinder (11). A guide rod (13) is slidably installed in the guide cylinder (12). The upper end of the guide rod (13) is fixedly connected to the first base plate (2). The outer end of the output rod of the first electric cylinder (11) is also fixedly connected to the first base plate (2).

3. An adjustable sofa according to claim 1, characterized in that: The displacement components are symmetrically installed on both sides of the base (1). The displacement components include slide rails (14) installed in parallel at the front and rear ends of the base (1) and a second electric cylinder (15) for driving the second seat plate (3) to move. The lower ends of the second seat plate (3) are respectively provided with sliders (17) and are slidably installed on the slide rails (14) through the sliders (17). The second electric cylinder (15) is installed on the base (1) and located between the slide rails (14) on both sides. The outer end of the output rod of the second electric cylinder (15) is fixedly connected to the support seat (31).

4. An adjustable sofa according to claim 3, characterized in that: The base (1) is provided with a limiting plate (16) on one side of the slide rail (14) to abut against the first seat plate (2) and control the position of the first seat plate (2) as it descends; a baffle (18) is fixedly provided on the side of the slide rail (14) away from the limiting plate (16).

5. An adjustable sofa according to claim 1, characterized in that: A spring shaft (33) is fixedly installed on the universal wheel (32). The support base (31) is provided with a shaft hole (35) corresponding to the spring shaft (33). A shaft block (34) is fixedly provided at the upper end of the spring shaft (33) and is slidably installed in the shaft hole (35) through the shaft block (34). A spring (36) is provided at the upper end of the shaft hole (35) to push the shaft block (34) to move downward, so that the universal wheel (32) elastically abuts against the ground.

6. An adjustable sofa according to claim 1, characterized in that: A first backrest plate (21) is vertically installed on the outer side of the first seat plate (2). A second backrest plate (22) is installed on both sides of the first backrest plate (21) through hinges. The second backrest plate (22) is rotatably installed on the first backrest plate (21) through hinges.

7. An adjustable sofa according to claim 6, characterized in that: The hinge includes a first hinge cylinder (23) mounted on a first backrest plate (21) and a second hinge cylinder (24) mounted on a second backrest plate (22). The first hinge cylinder (23) and the second hinge cylinder (24) are staggered and are inserted into the inner cavity of the first hinge cylinder (23) and the second hinge cylinder (24) through a hinge shaft (25) to rotate the first hinge cylinder (23) and the second hinge cylinder (24).

8. An adjustable sofa according to claim 7, characterized in that: The hinge shaft (25) is integrally provided with a limiting card body (26), and the inner cavities of the first hinge cylinder (23) and the second hinge cylinder (24) are respectively provided with limiting card grooves corresponding to the limiting card body (26). The limiting card body (26) is inserted into the limiting card groove to lock the first backrest plate (21) and the second backrest plate (22).

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