Portable folding environment-friendly sofa
By designing a folding mechanism in an environmentally friendly sofa, including articulation and threaded connection, the sofa backrest is folded, which solves the problem of excessive sofa size and improves the portability and convenience of the sofa.
Patent Information
- Application Number
- CN202421192058.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-29
AI Technical Summary
The existing environmentally friendly sofas do not have the function of folding the backrest, which leads to the large size of the sofa, which is inconvenient for users to carry and transport, affecting their practicality and convenience.
A folding mechanism including a sofa base and telescopic legs is designed. Through articulation and threaded connection, a self-locking knob, a screw, a moving seat and a limiting pin are provided to realize the folding and unfolding of the sofa backrest, which facilitates the reduction of the sofa volume.
This design makes the backrest of the environmentally friendly sofa easy to fold, reduces volume, and is easy to move and carry by users, improving the practicality and convenience of the sofa.
Smart Images

Figure CN222285090U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sofas, in particular to a portable folding environment-friendly sofa. Background Art
[0002] Sofas can be classified according to their function into functional sofas, fixed-back sofas, stepless automatic sofas, pneumatic sofas, electric sofas and sofas with TVs, etc. Sofas have become a necessary furniture for many families. Generally, there are three types of sofas sold on the market: low-back sofas, high-back sofas and ordinary sofas between the first two.
[0003] Please refer to a portable folding environmentally friendly sofa with announcement number CN215382666U, including a folding sofa body, the folding sofa body includes a sofa body, and the sofa body is made of environmentally friendly materials, the bottom end of the sofa body is hinged with a support leg, the bottom end of the sofa body is hinged to the back of the support leg through a hinge rod, the bottom end of the sofa body is fixedly installed with a rubber pad, the interior of the sofa body is inserted with a clamping mechanism, and the clamping mechanism includes a connecting block, the interior of the sofa body is inserted with a connecting block, and the interior of the connecting block is inserted with a rotating block, and the bottom end of the rotating block is fixedly installed with a cylindrical The support leg is hinged to the bottom of the sofa body through the hinge shaft by setting the hinge block, the cylindrical block is driven downward by the pull block, and then the pull block drives the hinge block to rotate through the cylindrical block, so that the hinge block corresponds to the hole opened inside the support leg, and the connection block is driven upward by the spring of the reset mechanism, so that the connection block drives the cylindrical block to move upward through the rotating block, and the cylindrical block drives the hinge block to engage in the support leg, so that the hinge block limits the support leg to prevent the support leg from rotating down through the hinge shaft during the transportation of the folding sofa body as a whole, thereby improving the stability of the folding of the support leg.
[0004] However, this patent does not have the function of folding the backrest. During the use of the environmentally friendly sofa, it is inconvenient to fold the backrest, which makes the sofa too large, inconvenient for users to carry and transport the sofa, and affects the practicality and convenience of the environmentally friendly sofa. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model provides a portable foldable environment-friendly sofa, which has the advantages of being easy to fold, move and carry, and solves the problem that the backrest does not have a folding function. During the use of the environment-friendly sofa, it is inconvenient to fold the backrest, resulting in the sofa being too large, inconvenient for users to carry and transport the sofa, and affecting the practicality and convenience of the environment-friendly sofa.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable folding environment-friendly sofa, comprising a sofa base and telescopic legs, wherein a folding mechanism is arranged on the top of the sofa base;
[0007] The folding mechanism includes a sofa backrest hinged to the sofa base, a telescopic support plate is hinged inside the sofa backrest, a self-locking knob is rotatably connected inside the sofa base, a threaded barrel rotatably connected to the sofa base is fixedly connected inside the self-locking knob, a screw rod is threadedly connected inside the threaded barrel, an end of the screw rod away from the threaded barrel is fixedly connected to a moving seat, a slider slidably connected to the sofa base is fixedly connected to the top and bottom of the moving seat, and a limit pin plugged into the telescopic support plate is plugged inside the moving seat.
[0008] Furthermore, a first hinged seat is provided on the top of the sofa base, and the sofa base is hinged to the sofa backrest through the first hinged seat.
[0009] Furthermore, a second hinged seat is provided inside the sofa backrest, and the telescopic support plate is hinged to the sofa backrest via the second hinged seat.
[0010] Furthermore, the telescopic support plate comprises a sleeve plate and a slide plate, and the internal thread of the telescopic support plate is connected with an adjusting screw.
[0011] Furthermore, a mounting hole is provided inside the sofa base, and the self-locking knob is rotatably connected to the sofa base through the mounting hole.
[0012] Furthermore, the movable seat and the telescopic support plate are provided with limit holes inside, and the limit pin is plugged into the movable seat and the telescopic support plate through the limit holes.
[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0014] The portable foldable environment-friendly sofa is provided with a folding mechanism, so that the user can fold the backrest of the environment-friendly sofa conveniently, thereby reducing the volume of the environment-friendly sofa and facilitating the user to move and carry the sofa. The problem that the backrest is not foldable and the environment-friendly sofa is inconvenient to fold during use makes the sofa too large, which is inconvenient for the user to carry and transport the sofa and affects the practicality and convenience of the environment-friendly sofa is solved. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a cross-sectional view of the structure of the utility model;
[0016] Figure 2 It is a three-dimensional diagram of the structure of the movable seat of the utility model.
[0017] In the figure: 1, sofa base; 101, first hinge seat; 2, telescopic legs; 3, sofa backrest; 301, second hinge seat; 4, telescopic support plate; 401, adjustment screw; 5, self-locking knob; 6, threaded cylinder; 7, screw rod; 8, moving seat; 9, slider; 10, limit pin; 11, limit socket. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] See also Figure 1-2 A portable folding environment-friendly sofa in this embodiment comprises a sofa base 1 and telescopic legs 2, and a folding mechanism is arranged on the top of the sofa base 1.
[0020] In this embodiment, the folding mechanism includes a sofa backrest 3 hinged to the sofa base 1, and a first hinge seat 101 is provided on the top of the sofa base 1. The sofa base 1 is hinged to the sofa backrest 3 through the first hinge seat 101, which is convenient for connecting the sofa base 1 and the sofa backrest 3. The sofa backrest 3 rotates around the first hinge seat 101, which is convenient for folding and unfolding the sofa backrest 3, and is convenient for reducing the volume of the sofa, which is beneficial for carrying and moving the sofa. In addition, the sofa base 1 and the sofa backrest 3 are made of environmentally friendly materials to reduce pollution and facilitate the use of the sofa. The interior of the sofa backrest 3 is hinged with a telescopic support plate 4, and the telescopic support plate 4 includes a sleeve plate and a slide plate. The interior of the telescopic support plate 4 is threadedly connected with an adjusting screw 401, and the slide plate is slidably connected to the interior of the sleeve plate. Threaded holes are provided inside the slide plate and the sleeve plate. The adjusting screw 401 is threadedly connected to the slide plate and the sleeve plate. The user loosens the adjusting screw 401 to adjust the telescopic support plate 4.
[0021] Among them, a second hinge seat 301 is arranged inside the sofa backrest 3, and the telescopic support plate 4 is hinged to the sofa backrest 3 through the second hinge seat 301, which is convenient for connecting the telescopic support plate 4 with the sofa backrest 3, and convenient for rotating the telescopic support plate 4 to unfold and fold, so that the sofa can be used and folded. A self-locking knob 5 is rotatably connected inside the sofa base 1, and a threaded cylinder 6 rotatably connected to the sofa base 1 is fixedly connected inside the self-locking knob 5. The threaded cylinder 6 is threadedly connected inside with a screw rod 7, and the end of the screw rod 7 away from the threaded cylinder 6 is fixedly connected to a moving seat 8. A mounting hole is opened inside the sofa base 1, and the self-locking knob 5 is rotatably connected to the sofa base 1 through the mounting hole, which is convenient for installing the self-locking knob 5. The user rotates the self-locking knob 5, and the self-locking knob 5 drives the threaded cylinder 6 to rotate, so that the screw rod 7 slides inside the threaded cylinder 6, and the screw rod 7 drives the moving seat 8 to move, and the position of the moving seat 8 is adjusted, which is convenient for storing and unfolding the moving seat 8, and convenient for users to reduce the volume of the sofa.
[0022] In addition, the top and bottom of the movable seat 8 are fixedly connected with a slider 9 that is slidably connected to the sofa base 1, and the interior of the movable seat 8 is plugged with a limit pin 10 that is plugged with the telescopic support plate 4. The interiors of the movable seat 8 and the telescopic support plate 4 are provided with a limit plug hole 11. The limit pin 10 is plugged with the movable seat 8 and the telescopic support plate 4 through the limit plug hole 11 to limit the telescopic support plate 4, and the sofa backrest 3 is supported by the telescopic support plate 4. The user pulls out the limit pin 10 to release the limit on the telescopic support plate 4 and the sofa backrest 3, so that the user can fold the sofa backrest 3 conveniently.
[0023] The beneficial effects of the above embodiments are:
[0024] The portable foldable environment-friendly sofa is provided with a folding mechanism, so that the user can fold the backrest of the environment-friendly sofa conveniently, thereby reducing the volume of the environment-friendly sofa and facilitating the user to move and carry the sofa. The problem that the backrest is not foldable and the environment-friendly sofa is inconvenient to fold during use makes the sofa too large, which is inconvenient for the user to carry and transport the sofa and affects the practicality and convenience of the environment-friendly sofa is solved.
[0025] The working principle of the above embodiment is:
[0026] When the portable foldable environment-friendly sofa needs to be folded, the user pulls out the limit pin 10 to release the limit on the telescopic support plate 4 and the sofa backrest 3, then rotates the sofa backrest 3 downward to make the sofa backrest 3 fit with the sofa base 1, adjusts the telescopic support plate 4 to retract the telescopic support plate 4, and finally rotates the self-locking knob 5, which drives the threaded tube 6 to rotate, so that the screw rod 7 slides inside the threaded tube 6, and the screw rod 7 drives the moving seat 8 to move, so that the moving seat 8 is stored inside the sofa base 1, thereby achieving the purpose of folding the environment-friendly sofa conveniently and reducing the volume of the sofa for carrying or moving.
[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A portable foldable environment-friendly sofa, comprising a sofa base (1) and telescopic legs (2), characterized in that: A folding mechanism is provided on the top of the sofa base (1); The folding mechanism comprises a sofa backrest (3) hinged to a sofa base (1); a telescopic support plate (4) is hinged inside the sofa backrest (3); a self-locking knob (5) is rotatably connected inside the sofa base (1); a threaded cylinder (6) rotatably connected to the sofa base (1) is fixedly connected inside the self-locking knob (5); a screw rod (7) is threadedly connected inside the threaded cylinder (6); an end of the screw rod (7) away from the threaded cylinder (6) is fixedly connected to a moving seat (8); a slider (9) slidably connected to the sofa base (1) is fixedly connected to the top and bottom of the moving seat (8); and a limit pin (10) plugged into the telescopic support plate (4) is plugged inside the moving seat (8).
2. The portable folding environment-friendly sofa according to claim 1, characterized in that: A first hinged seat (101) is provided on the top of the sofa base (1), and the sofa base (1) is hinged to the sofa backrest (3) via the first hinged seat (101).
3. The portable folding environment-friendly sofa according to claim 1, characterized in that: A second hinged seat (301) is arranged inside the sofa backrest (3), and the telescopic support plate (4) is hinged to the sofa backrest (3) via the second hinged seat (301).
4. The portable foldable environment-friendly sofa according to claim 1, characterized in that: The telescopic support plate (4) comprises a sleeve plate and a slide plate, and the internal thread of the telescopic support plate (4) is connected to an adjusting screw (401).
5. The portable foldable environment-friendly sofa according to claim 1, characterized in that: A mounting hole is provided inside the sofa base (1), and the self-locking knob (5) is rotatably connected to the sofa base (1) through the mounting hole.
6. The portable foldable environment-friendly sofa according to claim 1, characterized in that: The movable seat (8) and the telescopic support plate (4) are both provided with a limit insertion hole (11) inside, and the limit pin (10) is plugged into the movable seat (8) and the telescopic support plate (4) through the limit insertion hole (11).
Citation Information
Patent Citations
Portable folding environment-friendly sofa
CN215382666U
