Frame structure of armchair

Abstract

The utility model relates to the technical field of sofa frames, and discloses an armchair frame structure which comprises a main frame, the main frame is used as a main body support of the armchair, one side of the top of the main frame is fixedly connected with a backrest, the backrest is used for providing a leaning function for the armchair, and two sides of the interior of the main frame are connected with armrests in a sliding mode. The armrests are used for providing an arm placing function for the sofa; an air cylinder is fixedly connected to one side of the inner wall of the main frame, a sliding rod is fixedly connected to the output end of the air cylinder, the first fixing plates are fixedly connected to the two sides of the inner wall of the main frame, and first sliding grooves are formed in the first fixing plates. According to the adjustable sofa frame, the sliding rod is pushed by the air cylinder, the sliding rod slides along the interior of the sliding groove I, so that the fixed plate II slides in the limiting groove to push the fixed plate II, and the fixed plate II drives the armrest, the problem that the armrest of the sofa frame is inconvenient to adjust as required is solved, and the comfort of the sofa is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sofa frames, in particular to a single - person sofa frame structure. Background Art

[0002] A single - person sofa is a sofa designed specifically for single - person use. Usually, a single - person sofa is smaller in size than a multi - person sofa, occupies less space, and is suitable for placing in a smaller room or corner. It can provide a comfortable resting space for an individual without occupying too much indoor area. The shapes of single - person sofas are rich and diverse, which can meet different decoration styles and personal preferences. There are many options such as simple modern style, European classical style, and pastoral style.

[0003] Existing single - person sofa frames are generally made of solid wood or artificial boards. Solid - wood frames usually use hardwoods such as oak and beech, which have high strength and stability. The wooden frames have natural textures and colors, giving people a warm and comfortable feeling. Different wood species and surface treatment methods can be selected according to different decoration styles to achieve better decorative effects.

[0004] However, the existing sofa frames are fixed after being made, so their armrests are not convenient to adapt to different people's use. For taller people, if the height of the armrest is too low, the arms cannot be placed naturally and comfortably on the armrests, which will cause arm fatigue after a long time; for shorter people, if the height of the armrest is too high, the arms will be in an unnatural raised state, which will also cause discomfort. Therefore, a single - person sofa frame structure is proposed to solve the above problems. Summary of the Utility Model

[0005] In order to make up for the above deficiencies, the utility model provides a single - person sofa frame structure, aiming to improve the problem that the armrests of the sofa frames in the prior art are not convenient to be adjusted according to needs.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A single - person sofa frame structure includes:

[0008] A main frame, which is used as the main support of the sofa. One side of the top of the main frame is fixedly connected with a backrest, and the backrest is used to provide the relying function of the sofa. Both sides inside the main frame are slidably connected with armrests, and the armrests are used to provide the function of placing arms on the sofa;

[0009] Fixing plate two, one side of the inner wall of the main frame is fixedly connected with a cylinder, the output end of the cylinder is fixedly connected with a sliding rod, both sides of the inner wall of the main frame are fixedly connected with fixing plate one, a first chute is opened inside the fixing plate one, the outer wall of the sliding rod is slidably connected inside the first chute, the outer wall of the fixing plate two is fixedly connected inside the armrest, a limiting groove is opened inside the fixing plate two, and the outer wall of the sliding rod is slidably connected inside the limiting groove;

[0010] As a further description of the above technical solution:

[0011] A motor is fixedly connected inside the main frame, and the output end of the motor is fixedly connected with a driving sprocket;

[0012] As a further description of the above technical solution:

[0013] A driven sprocket is rotatably connected to one side inside the main frame, and a chain is arranged between the driven sprocket and the driving sprocket;

[0014] As a further description of the above technical solution:

[0015] One side of the outer wall of the chain is fixedly connected with a slider, and one side of the outer wall of the slider is fixedly connected with a connecting plate;

[0016] As a further description of the above technical solution:

[0017] Sliders are fixedly connected to both sides of the connecting plate, and a slide rail is fixedly connected inside the main frame;

[0018] As a further description of the above technical solution:

[0019] One side of the slider is slidably connected to the outer wall of the slide rail, a second chute is opened inside the main frame, the outer wall of the slider is slidably connected inside the second chute, and a placement component is arranged inside the slider, and the placement component is used to provide the function of placing items on this sofa;

[0020] As a further description of the above technical solution:

[0021] The placement component includes a support rod and a table board, one side of the support rod is rotatably connected inside the slider, one side of the table board is rotatably connected inside the main frame, and one side of the support rod is rotatably connected to the bottom of the table board;

[0022] As a further description of the above technical solution:

[0023] One side inside the armrest is fixedly connected with a control panel, and the bottom of the main frame is fixedly connected with a support column.

[0024] The utility model has the following beneficial effects:

[0025] 1. In the present utility model, first, the air cylinder is used to push the sliding rod, and the sliding rod will slide inside the first chute, thereby pushing the second fixing plate by sliding inside the limiting groove, and then the second fixing plate will drive the armrest, solving the problem that the armrest of the sofa frame is inconvenient to adjust according to needs and improving the comfort of the sofa.

[0026] 2. In the present utility model, first, the motor drives the driving sprocket, and then the driven sprocket drives the chain to run. The chain can drive the slider to slide, thereby pushing the support rod. The support rod supports the table board to expand outward, so that the table board can be used, thus improving the diversity of the functions of the sofa. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a three-dimensional schematic diagram of a single-person sofa frame structure proposed by the present utility model;

[0028] Figure 2 is a schematic diagram of the fixing plate structure of a single-person sofa frame structure proposed by the present utility model;

[0029] Figure 3 is a schematic diagram of the table board structure of a single-person sofa frame structure proposed by the present utility model;

[0030] Figure 4 is a schematic diagram of the main frame sectional structure of a single-person sofa frame structure proposed by the present utility model.

[0031] LEGEND DESCRIPTION:

[0032] 1. Main frame; 2. Backrest; 3. Control panel; 4. Support column; 5. Table board; 6. Armrest; 7. Air cylinder; 8. Sliding rod; 9. First fixing plate; 10. First chute; 11. Limiting groove; 12. Second fixing plate; 13. Support rod; 14. Second chute; 15. Slide rail; 16. Connecting plate; 17. Slider; 18. Driven sprocket; 19. Chain; 20. Driving sprocket; 21. Motor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0033] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0034] Refer to Figure 1 And Figure 2, an embodiment provided by the present utility model: a single-person sofa frame structure, including: a main frame 1, the main frame 1 is used as the main support of the sofa, a backrest 2 is fixedly connected to one side of the top of the main frame 1, the backrest 2 is used to provide the leaning function of the sofa, and armrests 6 are slidably connected to both sides inside the main frame 1, and the armrests 6 are used to provide the function of placing the arms on the sofa; a fixed plate two 12, a cylinder 7 is fixedly connected to one side of the inner wall of the main frame 1, the output end of the cylinder 7 is fixedly connected to a sliding rod 8, fixed plates one 9 are fixedly connected to both sides of the inner wall of the main frame 1, a first sliding groove 10 is opened inside the fixed plate one 9, and the outer wall of the sliding rod 8 is slidably connected inside the first sliding groove 10, the outer wall of the fixed plate two 12 is fixedly connected inside the armrest 6, a limiting groove 11 is opened inside the fixed plate two 12, and the outer wall of the sliding rod 8 is slidably connected inside the limiting groove 11;

[0035] Specifically, when the sofa is put into use, the cylinder 7 can push the sliding rod 8 to move. At this time, the sliding rod 8 will smoothly slide in the first sliding groove 10 opened inside the fixed plate one 9, and then push the fixed plate two 12. At the same time, the sliding rod 8 will also slide in the limiting groove 11 opened inside the fixed plate two 12. In this way, the moving direction and moving distance of the fixed plate two 12 can be effectively controlled, and the fixed plate two 12 is closely connected to the armrest 6. As the fixed plate two 12 moves, it will drive the armrest 6 to slide up and down, so that it can be flexibly adjusted according to the height requirements of different users, so as to better adapt to the height requirements of different users and provide a more comfortable and personalized use experience for users.

[0036] Refer to Figure 3 And Figure 4 , a motor 21 is fixedly connected inside the main frame 1, the output end of the motor 21 is fixedly connected to a driving sprocket 20, a driven sprocket 18 is rotatably connected to one side inside the main frame 1, a chain 19 is arranged between the driven sprocket 18 and the driving sprocket 20, a slider 17 is fixedly connected to one side of the outer wall of the chain 19, a connecting plate 16 is fixedly connected to one side of the outer wall of the slider 17, sliders 17 are fixedly connected to both sides of the connecting plate 16, a slide rail 15 is fixedly connected inside the main frame 1, one side of the slider 17 is slidably connected to the outer wall of the slide rail 15, a second sliding groove 14 is opened inside the main frame 1, and the outer wall of the slider 17 is slidably connected inside the second sliding groove 14. A placing component is arranged inside the slider 17, and the placing component is used to provide the function of placing items on the sofa. The placing component includes a support rod 13 and a table board 5. One side of the support rod 13 is rotatably connected inside the slider 17, one side of the table board 5 is rotatably connected inside the main frame 1, and one side of the support rod 13 is rotatably connected to the bottom of the table board 5;

[0037] Specifically, when the user needs to use the tabletop 5, the motor 21 starts to drive the driving sprocket 20 to rotate. Under the action of the motor 21, the driving sprocket 20 rotates at a stable speed. Moreover, with the rotational cooperation of the driven sprocket 18, it can drive the chain 19 to run. During the running process of the chain 19, it can drive one side slider 17 to slide on the outer wall of the slide rail 15. At the same time, due to the connection of the connecting plate 16, the two side sliders 17 can slide synchronously, ensuring the consistency and stability of the movement. As the slider 17 slides, it will push the support rod 13 to move. Under the push of the slider 17, the support rod 13 will push the tabletop 5 to rotate and open, facilitating the placement of the user's items. This structure greatly improves the space utilization rate. When the tabletop 5 is not needed, it can be retracted without occupying extra space; while when needed, it can be quickly opened to meet the user's needs.

[0038] Refer to Figure 1 and Figure 3 , on one side inside the armrest 6, there is a fixed connection with a control panel 3, and at the bottom of the main frame 1, there is a fixed connection with a support column 4;

[0039] Specifically, a control panel 3 is provided on the armrest 6, and the position of the control panel 3 is set at the position where the human hand is placed, so as to facilitate the control of the user. At the same time, the user can conveniently control the sofa through the control panel 3, thereby reducing the operation difficulty of the sofa. A support column 4 is provided at the bottom of the main frame 1, and the sofa can be supported by the support column 4, so as to facilitate the stability of the use of the sofa.

[0040] Working principle: When the sofa is in use, the air cylinder 7 can push the slide rod 8, so that the slide rod 8 slides inside the chute 10 opened inside the fixed plate one 9, so that the slide rod 8 pushes the fixed plate two 12. And the slide rod 8 will slide in the limit groove 11 opened inside the fixed plate two 12, so as to control the movement of the fixed plate two 12, and drive the armrest 6 to slide up and down by the fixed plate two 12 to adapt to the height of different users. When the user needs to use the tabletop 5, the motor 21 can drive the driving sprocket 20 to rotate, and with the rotational cooperation of the driven sprocket 18, it can drive the chain 19 to run. Then the chain 19 can drive one side slider 17 to slide on the outer wall of the slide rail 15. At the same time, due to the connection of the connecting plate 16, the two side sliders 17 slide synchronously. Then the slider 17 will push the support rod 13, so that the support rod 13 pushes the tabletop 5 to rotate and open, facilitating the placement of the user's items.

[0041] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A single-person sofa frame structure, characterized in that, Including: A main frame (1) which is used as the main support of the sofa. One side of the top of the main frame (1) is fixedly connected with a backrest (2) which is used to provide the leaning function of the sofa. Both sides inside the main frame (1) are slidably connected with armrests (6) which are used to provide the function of placing arms on the sofa. A second fixing plate (12). One side of the inner wall of the main frame (1) is fixedly connected with a cylinder (7). The output end of the cylinder (7) is fixedly connected with a sliding rod (8). Both sides of the inner wall of the main frame (1) are fixedly connected with first fixing plates (9). A first sliding groove (10) is formed inside the first fixing plate (9). The outer wall of the sliding rod (8) is slidably connected inside the first sliding groove (10). The outer wall of the second fixing plate (12) is fixedly connected inside the armrest (6). A limiting groove (11) is formed inside the second fixing plate (12). The outer wall of the sliding rod (8) is slidably connected inside the limiting groove (11).

2. The single-person sofa frame structure according to claim 1, characterized in that: A motor (21) is fixedly connected inside the main frame (1). The output end of the motor (21) is fixedly connected with a driving sprocket (20).

3. The single-person sofa frame structure according to claim 2, wherein: A driven sprocket (18) is rotatably connected on one side inside the main frame (1). A chain (19) is arranged between the driven sprocket (18) and the driving sprocket (20).

4. A single-person sofa frame structure according to claim 3, characterized in that: One side of the outer wall of the chain (19) is fixedly connected with a slider (17). One side of the outer wall of the slider (17) is fixedly connected with a connecting plate (16).

5. A single-person sofa frame structure according to claim 4, characterized in that: Sliders (17) are fixedly connected on both sides of the connecting plate (16). A sliding rail (15) is fixedly connected inside the main frame (1).

6. The single-person sofa frame structure according to claim 5, characterized in that: One side of the slider (17) is slidably connected with the outer wall of the sliding rail (15). A second sliding groove (14) is formed inside the main frame (1). The outer wall of the slider (17) is slidably connected inside the second sliding groove (14). A placing component is arranged inside the slider (17) which is used to provide the function of placing items on the sofa.

7. A single-person sofa frame structure according to claim 6, characterized in that: The placing component includes a support rod (13) and a table board (5). One side of the support rod (13) is rotatably connected inside the slider (17). One side of the table board (5) is rotatably connected inside the main frame (1). One side of the support rod (13) is rotatably connected to the bottom of the table board (5).

8. A single-person sofa frame structure according to claim 1, characterized in that: One side inside the armrest (6) is fixedly connected with a control panel (3). The bottom of the main frame (1) is fixedly connected with a support column (4).

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