Waist support adjustable single sofa

Abstract

The utility model relates to the technical field of sofas, and discloses a waist support adjustable single sofa which comprises a backrest, the outer wall of the backrest is fixedly connected with a fixed frame, the outer wall of the fixed frame is fixedly connected with a motor I, the output end of the motor I is fixedly provided with a rotating screw rod, the outer wall of the rotating screw rod is in threaded connection with a sliding block, and the sliding block is in threaded connection with the rotating screw rod. The inner wall of the sliding block is slidably connected with a guide rail, the lower surface of the guide rail is fixedly connected to the inner wall of the fixing frame, the outer walls of the two sides of the sliding block are fixedly connected with connecting plates, the outer walls of the connecting plates are fixedly connected with sliding columns, and the outer walls of the sliding columns are slidably connected to the backrest and the inner wall of the fixing frame. According to the chair, the backrest, the fixing frame, the first motor, the rotating lead screw, the sliding block, the guide rail, the connecting plate, the sliding column and the waist cushion are matched with one another, so that a user can adjust the position of the waist cushion according to the body type and sitting posture requirements of the user, it is ensured that the waist is comfortably supported, and comfort and flexibility are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sofa technical field especially relates to adjustable monomer sofa of waist support. BACKGROUND

[0002] Sofa is one of the indispensable furniture in the home, usually used for rest, relaxation and socializing, usually placed in the living room, bedroom, office space, etc. It not only has the function of comfort, but also can be part of home decoration, improving the beauty and atmosphere of the whole space.

[0003] Under normal circumstances, long sitting will exert pressure on the waist, especially when the sitting posture is improper, the lumbar spine may not be adequately supported, easily causing the waist fatigue and discomfort. The lumbar pad can fill the gap between the back of the sofa and the waist, providing additional support to reduce the pressure on the waist and relieve fatigue.

[0004] Because of the different body types and sitting postures of each person, the fixed lumbar pad often cannot provide the most suitable support for each user, easily leading to insufficient support or over-support, long sitting on the sofa without proper support, easily leading to waist fatigue or discomfort. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides a waist support adjustable monomer sofa, aiming at improving the fixed lumbar pad, which cannot adapt to the body types and sitting postures of different users, easily leading to waist fatigue or discomfort.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The waist support adjustable monomer sofa comprises a backrest, the outer wall of the backrest is fixedly connected with a fixed frame, the outer wall of the fixed frame is fixedly connected with a motor one, the output end of the motor one is fixedly provided with a rotating lead screw, the outer wall of the rotating lead screw is threadedly connected with a sliding block, the inner wall of the sliding block is slidably connected with a guide rail, the lower surface of the guide rail is fixedly connected with the inner wall of the fixed frame, the outer walls of the two sides of the sliding block are both fixedly connected with a connecting plate, the outer wall of the connecting plate is fixedly connected with a sliding column, the outer wall of the sliding column is slidably connected with the inner walls of the backrest and the fixed frame, the outer wall of the sliding column is fixedly connected with a lumbar pad, the lower surface of the backrest is fixedly connected with a support assembly, the support assembly is used for supporting the user.

[0008] Preferably, the support assembly comprises a sofa seat, the lower surface of the backrest is fixedly connected with the upper surface of the sofa seat, the outer walls of the two sides of the sofa seat are both fixedly connected with a sofa plate.

[0009] Preferably, the inner wall of the sofa seat is fixedly connected with a support plate, the lower surface of the support plate is fixedly connected with a limiting column.

[0010] Preferably, the lower surface of the support plate is provided with a support frame, and the outer wall of the limiting column is arranged on the inner wall of the support frame.

[0011] Preferably, the outer wall of the support frame is fixedly connected with a second motor, and the output end of the second motor is fixedly provided with a reversible screw rod.

[0012] Preferably, the outer walls of the reversible screw rod are both threadedly connected with a moving block, and the inner wall of the moving block is slidably connected with a sliding rail.

[0013] Preferably, the lower surface of the sliding rail is fixedly connected with the inner wall of the support frame, and the outer wall of the moving block is rotatably connected with a transmission plate.

[0014] Preferably, the outer wall of the transmission plate is rotatably connected with a fixed block, and the upper surface of the fixed block is fixedly connected with the lower surface of the support plate.

[0015] The utility model has the advantages of the following:

[0016] 1. According to the utility model, the backrest, the fixed frame, the first motor, the rotating screw rod, the sliding block, the guide rail, the connecting plate, the sliding column and the waist pad are matched with each other, so that the user can adjust the position of the waist pad according to the body shape and sitting posture requirements, ensure that the waist is comfortably supported, and improve the comfort and flexibility.

[0017] 2. According to the utility model, the support plate, the limiting column, the support frame, the second motor, the reversible screw rod, the moving block, the sliding rail, the transmission plate and the fixed block are matched with each other, so that users with different heights and sitting habits can adjust the height of the sofa according to individual requirements, thereby providing optimal sitting comfort, improving the sitting health, and improving the adaptability. DETAILED DESCRIPTION

[0018] Figure 1 A perspective view of the waist support adjustable single sofa is provided in the utility model.

[0019] Figure 2 A sliding block partial structure schematic view of the waist support adjustable single sofa is provided in the utility model.

[0020] Figure 3 A support plate partial structure schematic view of the waist support adjustable single sofa is provided in the utility model.

[0021] Figure 4 A moving block partial structure schematic view of the waist support adjustable single sofa is provided in the utility model.

[0022] Legend:

[0023] 1, backrest; 2, fixed frame; 3, motor one; 4, rotating screw; 5, sliding block; 6, guide rail; 7, connecting plate; 8, sliding column; 9, waist cushion; 10, sofa seat; 11, sofa board; 12, support plate; 13, limiting column; 14, support frame; 15, motor two; 16, positive and negative screw; 17, moving block; 18, sliding rail; 19, transmission plate; 20, fixed block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the specification of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Referring to Figure 1 and Figure 2 An embodiment provided by the utility model: waist support adjustable single sofa, including backrest 1, the outer wall of backrest 1 is fixedly connected with fixed frame 2, the outer wall of fixed frame 2 is fixedly connected with motor one 3, the output end of motor one 3 is fixedly provided with rotating screw 4, the outer wall of rotating screw 4 is threadedly connected with sliding block 5, the inner wall of sliding block 5 is slidably connected with guide rail 6, the lower surface of guide rail 6 is fixedly connected on the inner wall of fixed frame 2, the outer wall of both sides of sliding block 5 is fixedly connected with connecting plate 7, the outer wall of connecting plate 7 is fixedly connected with sliding column 8, the outer wall of sliding column 8 is slidably connected on the inner wall of backrest 1 and fixed frame 2, the outer wall of sliding column 8 is fixedly connected with waist cushion 9, the lower surface of backrest 1 is fixedly connected with support assembly, and the support assembly is used to support the user;

[0026] Specifically, backrest 1 can play the role of fixed support to fixed frame 2, and fixed frame 2 can play the role of fixed support to motor one 3, when motor one 3 is started, motor one 3 will drive rotating screw 4 to rotate, and the rotation of rotating screw 4 will drive sliding block 5 to slide on the outer wall of guide rail 6, guide rail 6 can ensure the stability of sliding block 5, and fixed frame 2 can play the role of fixed support to guide rail 6, and the sliding of sliding block 5 will drive connecting plate 7 to slide, and the sliding of connecting plate 7 will drive sliding column 8 to slide, and the sliding of sliding column 8 will also drive waist cushion 9 to slide, through the sliding of waist cushion 9, the user can accurately adjust the position of waist cushion 9 according to the body shape and sitting posture demand, ensure that the waist is most comfortably supported, and improve the comfort and flexibility.

[0027] Referring to Figure 3The supporting assembly comprises a sofa seat 10, the lower surface of the backrest 1 is fixedly connected to the upper surface of the sofa seat 10, and the two side walls of the sofa seat 10 are fixedly connected with sofa boards 11;

[0028] Specifically, the sofa seat 10 can play a role in fixedly supporting the backrest 1, and the sofa seat 10 can also play a role in fixedly supporting the sofa boards 11, and the sofa seat 10 and the sofa boards 11 can play a role in supporting the user.

[0029] Referring to Figure 3 and Figure 4 , the inner wall of the sofa seat 10 is fixedly connected with a supporting plate 12, and the lower surface of the supporting plate 12 is fixedly connected with a limiting column 13; the lower surface of the supporting plate 12 is provided with a supporting frame 14, and the outer wall of the limiting column 13 is arranged in the inner wall of the supporting frame 14;

[0030] Specifically, the supporting plate 12 can play a role in fixedly supporting the sofa seat 10, and the supporting plate 12 can also play a role in fixedly supporting the limiting column 13, and the limiting column 13 can play a role in limiting the supporting plate 12, so as to ensure that the supporting plate 12 always keeps stable up-down sliding.

[0031] Referring to Figure 4 , the outer wall of the supporting frame 14 is fixedly connected with a second motor 15, and the output end of the second motor 15 is fixedly provided with a reversible screw rod 16; the outer walls of the two sides of the reversible screw rod 16 are both threadedly connected with a moving block 17, the inner wall of the moving block 17 is slidably connected with a sliding rail 18; the lower surface of the sliding rail 18 is fixedly connected to the inner wall of the supporting frame 14, and the outer wall of the moving block 17 is rotatably connected with a transmission plate 19; the outer wall of the transmission plate 19 is rotatably connected with a fixed block 20, and the upper surface of the fixed block 20 is fixedly connected to the lower surface of the supporting plate 12;

[0032] Specifically, the supporting frame 14 can play a role in fixedly supporting the second motor 15, when the second motor 15 is turned on, the second motor 15 will drive the reversible screw rod 16 to rotate, and the rotation of the reversible screw rod 16 will drive the two moving blocks 17 to synchronously slide against each other on the outer wall of the sliding rail 18, the sliding rail 18 can play a role in supporting the moving block 17, so as to ensure the stable sliding of the moving block 17, and the supporting frame 14 can play a role in fixedly supporting the sliding rail 18, and the sliding of the moving block 17 will also drive the transmission plate 19 to rotate, and the rotation of the transmission plate 19 will also drive the fixed block 20 to slide up and down, and the up-down sliding of the fixed block 20 will also drive the supporting plate 12 to slide up and down, and the sliding of the supporting plate 12 will also drive the sofa seat 10 to slide up and down, so as to achieve the effect of adjusting the height of the sofa seat 10, and ensure that users with different heights and sitting habits can adjust the height of the sofa according to individual needs, thereby providing the best sitting comfort, improving the sitting health, and improving the adaptability.

[0033] Working principle: when the sofa is needed, first, the staff opens the motor 3, the motor 3 drives the rotating lead screw 4 to rotate, the rotating lead screw 4 drives the sliding block 5 to slide, the sliding block 5 drives the connecting plate 7 to slide, the connecting plate 7 drives the sliding column 8 to slide, the sliding column 8 drives the waist pad 9 to slide, the supporting position of the waist pad 9 is adjusted, then the staff opens the motor 15, the motor 15 drives the positive and negative lead screw 16 to rotate, the positive and negative lead screw 16 drives the two moving blocks 17 to slide synchronously, the moving blocks 17 drive the transmission plate 19 to rotate, the transmission plate 19 drives the fixed block 20 to slide up and down, the fixed block 20 drives the support plate 12 to slide up and down, the support plate 12 drives the sofa seat 10 to slide up and down, the height of the sofa seat 10 is adjusted, the supporting position of the waist pad 9 can be adjusted according to the body shape and sitting posture of the user, the waist is supported comfortably, the comfort and flexibility are improved, the height of the sofa is adjusted, the height of the sofa is adjusted according to the height and sitting posture of the user, the best sitting comfort is provided, the sitting health is improved, and the adaptability is improved.

[0034] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A lumbar support adjustable unit sofa comprising a backrest (1), characterized in that: The outer wall of the backrest (1) is fixedly connected with a fixed frame (2), the outer wall of the fixed frame (2) is fixedly connected with a motor one (3), the output end of the motor one (3) is fixedly provided with a rotating lead screw (4), the outer wall of the rotating lead screw (4) is threadedly connected with a sliding block (5), the inner wall of the sliding block (5) is slidably connected with a guide rail (6), the lower surface of the guide rail (6) is fixedly connected with the inner wall of the fixed frame (2), the outer walls of the two sides of the sliding block (5) are both fixedly connected with a connecting plate (7), the outer wall of the connecting plate (7) is fixedly connected with a sliding column (8), the outer wall of the sliding column (8) is slidably connected with the inner walls of the backrest (1) and the fixed frame (2), the outer wall of the sliding column (8) is fixedly connected with a lumbar pad (9), the lower surface of the backrest (1) is fixedly connected with a support assembly, and the support assembly is used to support the user.

2. The adjustable unitary sofa with lumbar support of claim 1, wherein: The support assembly comprises a sofa seat (10), the lower surface of the backrest (1) is fixedly connected with the upper surface of the sofa seat (10), and the outer walls of the two sides of the sofa seat (10) are both fixedly connected with a sofa plate (11).

3. The adjustable unitary sofa of claim 2, wherein: The inner wall of the sofa seat (10) is fixedly connected with a support plate (12), and the lower surface of the support plate (12) is fixedly connected with a limiting column (13).

4. The adjustable unitary sofa of claim 3, wherein: The lower surface of the support plate (12) is provided with a support frame (14), and the outer wall of the limiting column (13) is arranged in the inner wall of the support frame (14).

5. The adjustable unitary sofa of claim 4, wherein: The outer wall of the support frame (14) is fixedly connected with a motor two (15), and the output end of the motor two (15) is fixedly provided with a reversible lead screw (16).

6. The adjustable unitary sofa of claim 5, wherein: The outer walls of the two sides of the reversible lead screw (16) are both threadedly connected with a moving block (17), and the inner wall of the moving block (17) is slidably connected with a sliding rail (18).

7. The adjustable unitary sofa of claim 6, wherein: The lower surface of the sliding rail (18) is fixedly connected with the inner wall of the support frame (14), and the outer wall of the moving block (17) is rotatably connected with a transmission plate (19).

8. The adjustable unitary sofa of claim 7, wherein: The outer wall of the transmission plate (19) is rotatably connected with a fixed block (20), and the upper surface of the fixed block (20) is fixedly connected with the lower surface of the support plate (12).

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