Sofa with detachable headrest

Abstract

The utility model relates to the field of furniture, and discloses a sofa with a detachable headrest, which comprises a sofa main body, two ends of the sofa main body are fixedly connected with fixing plates, handrails are arranged outside the fixing plates, a U-shaped adjusting seat is arranged in an inner cavity of the sofa main body in a sliding manner, a sofa backrest is arranged in an inner cavity of the U-shaped adjusting seat, and the detachable headrest is arranged on the sofa backrest. According to the sofa with the detachable headrest, the left-right position of a backrest of the sofa can be adjusted through a U-shaped adjusting seat between fixing plates and under the action of a limiting plate in a limiting groove according to the use requirements of personnel, and the sofa is convenient to use, simple in structure, convenient to use and high in practicability. And then the knob in the groove drives the stud to rotate so as to extrude the stud with the limiting groove, so that the positions of the limiting plate and the U-shaped adjusting seat are fixed, the position of the sofa backrest can be fixed, and the problem that the position of the existing sofa backrest is difficult to adjust conveniently according to requirements for use is solved.

Description

A sofa with detachable headrests Technical Field

[0001] This utility model relates to the field of furniture technology, specifically to a sofa with a detachable headrest. Background Technology

[0002] A sofa is a multi-seat chair with cushions, belonging to the category of upholstered furniture. It typically has armrests and a backrest, and is filled with materials such as springs or thick foam plastic, primarily used to provide a comfortable sitting or lying experience.

[0003] Patent CN220529639U discloses a sofa that includes a seat frame with a recessed area and a fish tank embedded in the recessed area, with a portion of the fish tank protruding from the recessed area. This device embeds the fish tank into the sofa, saving space and improving the utilization of room space, while also improving the quality of life and enhancing the functionality and aesthetics of the sofa.

[0004] However, the seat of this device is connected to the armrests, which means that if a person sitting on the sofa wants to lean their back against the seat, their buttocks need to keep moving towards the seat. If the buttocks only contact part of the horizontal seat, the back cannot directly lean against the vertical seat. Over time, this can cause back pain. To address this, a sofa with a detachable headrest has been proposed to solve the problem that the backrest of existing sofas is difficult to adjust in a convenient way according to needs. Summary of the Invention

[0005] (a) Technical problems to be solved

[0006] In view of the shortcomings of the existing technology, this utility model provides a sofa with a detachable headrest, which solves the above-mentioned problems.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a sofa with a detachable headrest, comprising a sofa body, fixed plates fixedly connected to both ends of the sofa body, armrests provided on the outside of the fixed plates, a U-shaped adjustment seat slidably provided in the inner cavity of the sofa body, a sofa backrest provided in the inner cavity of the U-shaped adjustment seat, a sealing gasket attached to one side of the armrests via Velcro, an adjustment mechanism provided inside the sofa body, a seat cushion provided in the inner cavity of the sofa body, limiting grooves formed on opposite end faces of the fixed plates, limiting plates slidably provided in the inner cavity of the limiting grooves, a groove formed at one end of the limiting plate, a stud threaded through and screwed into the inner cavity of the groove, and a knob fixedly connected to one end of the stud.

[0009] Preferably, the U-shaped adjustment seat fits against the top of the seat cushion but does not compress it, and the limiting plate is fixedly connected to the U-shaped adjustment seat.

[0010] Preferably, the stud penetrates the groove and contacts the cavity wall of the limiting groove.

[0011] Preferably, the adjustment mechanism includes an adjustment groove at one end of the sofa body, a storage box is slidably disposed in the inner cavity of the adjustment groove, an anti-detachment groove is provided at the bottom of the adjustment groove, and an anti-detachment block is slidably disposed in the anti-detachment groove.

[0012] Preferably, the anti-detachment block is fixedly connected to the storage box, the bottom of the storage box is provided with a support plate, the bottom of the support plate is provided with rollers, the top of the storage box is provided with a support pad, and one side of the storage box is provided with a pull groove.

[0013] Preferably, the bottom of the support pad is fixedly connected to four support columns, which penetrate into the inner wall of the storage box and are slidably connected. The inner cavity of the storage box is provided with four knobs, one end of which is fixedly connected to a screw, which penetrates into contact with the support column.

[0014] Preferably, a lumbar pillow is provided at the intersection of the sofa back and the seat cushion, a headrest is connected to one side of the sofa back via Velcro, and a cover is provided for the sofa back to rotate.

[0015] (III) Beneficial Effects

[0016] 1. This sofa with a detachable headrest allows users to adjust the left and right position of the sofa backrest according to their needs. This is achieved by using a U-shaped adjustment seat between the fixed plates and a limiting plate in the limiting groove. Then, by rotating the screw in the groove and pressing it against the limiting groove, the position of the limiting plate and the U-shaped adjustment seat is fixed, thus fixing the position of the sofa backrest. This solves the problem that existing sofa backrests are difficult to adjust in a convenient way according to needs.

[0017] 2. This sofa with a detachable headrest allows the storage box to be pulled out of the adjustment slot by means of the anti-slip block in the anti-slip slot and the rollers at the bottom of the support plate. This allows for the storage of items, and the support pad can be moved up to a suitable position by the support column. After tightening the screw by turning the knob, the position of the support column and the support pad can be fixed, thus providing leg support. If the support pad is moved up and removed, it can be used as a stool, improving the functionality of this sofa. Attached Figure Description

[0018] Figure 1 is a structural diagram of this utility model;

[0019] Figure 2 is a structural diagram of this utility model;

[0020] Figure 3 is an enlarged view of point A in structural diagram 2 of this utility model;

[0021] Figure 4 is a cross-sectional view of the structure of this utility model.

[0022] In the diagram: 1. Sofa body; 2. Fixed plate; 3. Armrest; 4. U-shaped adjustment seat; 5. Sofa backrest; 6. Seat pad; 7. Adjustment mechanism; 701. Adjustment groove; 702. Storage box; 703. Anti-detachment groove; 704. Anti-detachment block; 705. Support plate; 706. Casters; 707. Support pad; 708. Support column; 709. Knob; 8. Seat cushion; 9. Limiting groove; 10. Limiting plate; 11. Groove; 12. Stud; 13. Knob; 14. Lumbar pillow; 15. Headrest; 16. Cover. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example: Please refer to Figures 1-4. A sofa with a detachable headrest includes a sofa body 1. Fixed plates 2 are fixedly connected to both ends of the sofa body 1. Armrests 3 are provided on the outside of the fixed plates 2. A U-shaped adjustment seat 4 is slidably provided in the inner cavity of the sofa body 1. A sofa back 5 is provided in the inner cavity of the U-shaped adjustment seat 4. A sealing gasket 6 is attached to one side of the armrest 3 by Velcro. An adjustment mechanism 7 is provided inside the sofa body 1. A seat cushion 8 is provided in the inner cavity of the sofa body 1. Limiting grooves 9 are opened on the opposite end faces of the fixed plates 2. Limiting plates 10 are slidably provided in the inner cavity of the limiting grooves 9. A groove 11 is opened at one end of the limiting plate 10. A stud 12 is screwed through the inner cavity of the groove 11. A knob 13 is fixedly connected to one end of the stud 12.

[0025] Furthermore, the U-shaped adjustment seat 4 fits against the top of the seat cushion 8 without squeezing it, and the limiting plate 10 is fixedly connected to the U-shaped adjustment seat 4.

[0026] Furthermore, the stud 12 penetrates the groove 11 and contacts the cavity wall of the limiting groove 9.

[0027] Furthermore, the adjustment mechanism 7 includes an adjustment groove 701 opened at one end of the sofa body 1, a storage box 702 is slidably arranged in the inner cavity of the adjustment groove 701, an anti-detachment groove 703 is opened at the bottom of the adjustment groove 701, and an anti-detachment block 704 is slidably arranged in the anti-detachment groove 703.

[0028] Furthermore, the anti-detachment block 704 is fixedly connected to the storage box 702. The bottom of the storage box 702 is provided with a support plate 705, the bottom of the support plate 705 is provided with a roller 706, the top of the storage box 702 is provided with a support pad 707, and one side of the storage box 702 is provided with a pull groove.

[0029] Furthermore, four support columns 708 are fixedly connected to the bottom of the support pad 707. The support columns 708 penetrate into the inner wall of the storage box 702 and are slidably connected. The inner cavity of the storage box 702 is provided with four knobs 709. One end of the knob 709 is fixedly connected to a screw. The screw penetrates into contact with the support column 708. Through the pull groove and the action of the anti-detachment block 704 in the anti-detachment groove 703 and the roller 706 at the bottom of the support plate 705, the storage box 702 is lowered and pulled out from the adjustment groove 701. While storing items, the support pad 707 can also be moved up to a suitable position under the action of the support columns 708. After that, the position of the support column 708 and the support pad 707 can be fixed by tightening the screw through the knob 709, so as to support the legs of the person. If the support pad 707 is moved up and removed, it can be used as a stool, improving the functionality of this sofa.

[0030] Furthermore, a lumbar support 14 is provided at the intersection of the sofa backrest 5 and the seat cushion 8. A headrest 15 is connected to one side of the sofa backrest 5 via Velcro. The sofa backrest 5 is equipped with a cover 16 for rotation. With the help of Velcro, the headrest 15 can be directly removed from the sofa backrest 5 and placed in the storage box 702 for storage or washing. Then, the cover 16 is flipped over to cover the Velcro for protection. At the same time, when the headrest 15 is not removed, it can also be covered and protected by the cover 16. In addition, together with the lumbar support 14, it can support the waist when a person sits on the seat cushion 8, while also covering the end knobs 13 and other structures, improving the aesthetics.

[0031] Working principle: When using this sofa with a detachable headrest, the left and right positions of the sofa backrest 5 can be adjusted according to the user's needs by using the U-shaped adjustment seat 4 between the fixing plates 2 and the limiting plate 10 in the limiting groove 9. Then, the knob 13 in the groove 11 drives the stud 12 to rotate and press it against the limiting groove 9, thereby fixing the position of the limiting plate 10 and the U-shaped adjustment seat 4, thus fixing the position of the sofa backrest 5. This solves the problem that existing sofa backrests are difficult to adjust in a convenient way according to needs. With the help of Velcro, the headrest 15 can be directly removed from the sofa backrest 5 and placed in the storage box 702 for storage or washing. Then, the cover 16 is flipped over to cover the Velcro for protection. At the same time, when the headrest 15 is not removed, it can also be covered by the cover 16 for protection. In addition, with the lumbar pillow 14, it can support the waist when the user sits on the seat cushion 8, while also covering the end knob 13 and other structures, improving the aesthetics.

[0032] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A sofa with a detachable headrest, comprising a sofa body (1), characterized in that: The two ends of the sofa body (1) are fixedly connected to a fixing plate (2). The outside of the fixing plate (2) is provided with an armrest (3). The inner cavity of the sofa body (1) is slidably provided with a U-shaped adjustment seat (4). The inner cavity of the U-shaped adjustment seat (4) is provided with a sofa back (5). One side of the armrest (3) is attached with a sealing gasket (6) by Velcro. The inside of the sofa body (1) is provided with an adjustment mechanism (7). The inner cavity of the sofa body (1) is provided with a seat cushion (8). The opposite end faces of the fixing plate (2) are provided with a limiting groove (9). The inner cavity of the limiting groove (9) is slidably provided with a limiting plate (10). One end of the limiting plate (10) is provided with a groove (11). The inner cavity of the groove (11) is penetrated and screwed with a stud (12). One end of the stud (12) is fixedly connected with a knob (13).

2. A sofa with a detachable headrest according to claim 1, characterized in that: The U-shaped adjustment seat (4) fits against the top of the seat cushion (8) but does not squeeze it, and the limiting plate (10) is fixedly connected to the U-shaped adjustment seat (4).

3. A sofa with a detachable headrest according to claim 1, characterized in that: The stud (12) penetrates the groove (11) and contacts the cavity wall of the limiting groove (9).

4. A sofa with a detachable headrest according to claim 1, characterized in that: The adjustment mechanism (7) includes an adjustment groove (701) opened at one end of the sofa body (1), a storage box (702) is slidably arranged in the inner cavity of the adjustment groove (701), an anti-detachment groove (703) is opened at the bottom of the adjustment groove (701), and an anti-detachment block (704) is slidably arranged in the anti-detachment groove (703).

5. A sofa with a detachable headrest according to claim 4, characterized in that: The anti-detachment block (704) is fixedly connected to the storage box (702). The bottom of the storage box (702) is provided with a support plate (705), the bottom of the support plate (705) is provided with a roller (706), the top of the storage box (702) is provided with a support pad (707), and one side of the storage box (702) is provided with a pull groove.

6. A sofa with a detachable headrest according to claim 5, characterized in that: The bottom of the support pad (707) is fixedly connected to four support columns (708). The support columns (708) penetrate into the inner wall of the storage box (702) and are slidably connected. The inner cavity of the storage box (702) is provided with four knobs (709). One end of each knob (709) is fixedly connected to a screw, which penetrates into contact with the support column (708).

7. A sofa with a detachable headrest according to claim 1, characterized in that: A lumbar pillow (14) is provided at the intersection of the sofa back (5) and the seat cushion (8). A headrest (15) is connected to one side of the sofa back (5) by Velcro. A cover (16) is provided for the rotation of the sofa back (5).

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