Telescopic deformable sofa
By using a gear, rack, and cylinder linkage mechanism to drive the sofa cushion to extend and retract, the problem of existing sofas being unable to accommodate multiple people and being too complicated to operate has been solved. This has enabled a sofa design that allows for flexible extension and comfortable use, thus improving the convenience and comfort of home life.
Patent Information
- Application Number
- CN202423275035.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing sofas cannot meet the seating needs of multiple people during family gatherings or when temporarily adding sleeping space. In addition, the detachable cushions or foldable designs are complicated to operate or lack stability, affecting the user experience.
The rack and pinion structure is used to drive the extension and retraction of the sofa cushion, and the cylinder connecting rod mechanism is combined to realize the deployment and folding of the baffle and the placement table, providing convenient extension and folding functions, and is equipped with a sponge pad to improve comfort.
It allows the sofa to be flexibly extended and retracted according to needs, providing a spacious and comfortable lying surface, improving ease of use and comfort, while allowing items on the shelf to be accessed without getting up.
Smart Images

Figure CN223438173U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sofa technical field especially relates to a telescopic deformable sofa. BACKGROUND
[0002] In modern home life, along with people's living space diversification and the increasingly rich life scene, as one of the important furniture of the living room even the whole home space, the sofa bears people's leisure, entertainment, socialization and many other functions. The demand of the consumer who purchases and uses for the sofa has not been limited to the traditional fixed style and single function, but hopes to have more flexible and changeable, can adapt to different use situation sofa product, to improve the quality and comfort of home life.
[0003] At present, part sofa will adopt fixed structure design, sofa pad and frame integration forming, size and shape can not be changed after production is completed. This kind of sofa limits the effective utilization of indoor space, and cannot meet the additional use demand in the scene of family gathering, friend staying and other needs of multi-person seating or temporary increase of sleeping space, lacks flexibility. However, a few sofas try to improve by increasing detachable cushions or foldable design, but either the operation is complex and tedious, needs to consume a lot of time and energy to assemble, adjust, or the stability after deformation is poor, easy to sway, collapse, cannot provide reliable support for the user, affects the use experience. UTILITARY MODEL CONTENT
[0004] In order to make up for the above shortcomings, the utility model provides a telescopic deformable sofa, which aims at improving the problem of complex and tedious operation of detachable cushions or foldable design in the prior art, which needs to consume a lot of time and energy to assemble and adjust.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a telescopic deformable sofa, comprising a support, the top of the support is fixedly connected with a connecting frame, the inner side wall of the connecting frame is rotatably connected with a first sofa cushion, the end of the first sofa cushion away from the connecting frame is rotatably connected with a second sofa cushion, the inside of the support is provided with a pushing assembly, the left and right sides of the support are provided with a placing assembly.
[0006] The pushing assembly comprises a motor, the output end of the motor is fixedly connected with a gear, the inside of the support is slidably connected with a gear rack, the gear is engaged with the gear rack, the top of the support is fixedly connected with two slide rails, the bottom of the second sofa cushion is provided with two sliding grooves, the slide rails are slidably connected in the sliding grooves.
[0007] As a further description of the above technical scheme:
[0008] The placing assembly comprises two air cylinders, the two air cylinders are rotationally connected to the inner top wall of the support, the output ends of the two air cylinders are rotationally connected with a first connecting rod, the first connecting rod is fixedly connected with a second connecting rod at the side away from the air cylinder, the second connecting rod is rotationally connected with a side plate at the end away from the first connecting rod, the side plate is fixedly connected with a baffle outside, the baffle is rotationally connected to the outer side wall of the support at the left and right sides, and the inner side wall of the support is rotationally connected with a placing table.
[0009] As a further description of the above technical solution:
[0010] The second sofa cushion is fixedly connected with a fixed plate at the side away from the first sofa cushion, and the rack is fixedly connected at the end away from the gear inside the fixed plate.
[0011] As a further description of the above technical solution:
[0012] The connecting end of the first connecting rod and the second connecting rod is rotationally connected to the inner side wall of the support.
[0013] As a further description of the above technical solution:
[0014] The bottom of the fixed plate is fixedly connected with two moving wheels.
[0015] As a further description of the above technical solution:
[0016] The placing table is slidingly connected to the inner wall of the baffle at the side away from the support.
[0017] As a further description of the above technical solution:
[0018] The outer parts of the first sofa cushion and the second sofa cushion are respectively provided with sponge cushions.
[0019] The utility model has the advantages of the following:
[0020] 1、The utility model discloses a sofa cushion, which comprises a first sofa cushion, a second sofa cushion, a gear, a rack, a support, a placing table, a baffle, a first connecting rod, a second connecting rod and an air cylinder.
[0021] 2、The utility model discloses a sofa cushion, which comprises a first sofa cushion, a second sofa cushion, a gear, a rack, a support, a placing table, a baffle, a first connecting rod, a second connecting rod and an air cylinder. DRAWINGS
[0022] Figure 1A three-dimensional schematic view of a stretchable and deformable sofa is provided in the utility model.
[0023] Figure 2 A structure schematic view of the second sofa cushion of the stretchable and deformable sofa is provided in the utility model.
[0024] Figure 3 A sectional view of the support of the stretchable and deformable sofa is provided in the utility model.
[0025] Figure 4 A structure schematic view of the rack of the stretchable and deformable sofa is provided in the utility model.
[0026] Figure 5 A structure schematic view of the slide rail of the stretchable and deformable sofa is provided in the utility model.
[0027] Legend:
[0028] 1, support; 2, push assembly; 21, motor; 22, gear; 23, rack; 24, slide rail; 25, sliding groove; 3, placing assembly; 31, air cylinder; 32, first connecting rod; 33, second connecting rod; 34, side plate; 35, baffle; 36, placing table; 4, connecting frame; 5, first sofa cushion; 6, second sofa cushion; 7, fixed plate; 8, moving wheel. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments 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 protection scope of the utility model.
[0030] With reference to Figure 2 , Figure 4 and Figure 5 , an embodiment provided by the utility model is as follows: a stretchable and deformable sofa, comprising a support 1, the support 1 top is fixedly connected with a connecting frame 4, the connecting frame 4 inner side wall is rotationally connected with a first sofa cushion 5, the first sofa cushion 5 is rotationally connected with a second sofa cushion 6 away from the connecting frame 4, the support 1 is internally provided with a push assembly 2, and the support 1 left and right sides are provided with a placing assembly 3.
[0031] The pushing assembly 2 comprises a motor 21, the output end of the motor 21 is fixedly connected with a gear 22, the rotating force generated by the motor 21 drives the gear 22 to rotate, when the sofa needs to be stretched or retracted, the motor 21 can switch the rotating direction, and then the sofa cushion is pushed to move through the gear rack 23. The gear rack 23 is slidably connected in the support 1, the gear 22 is engaged with the gear rack 23, the rotating movement of the gear 22 is converted into the linear movement of the gear rack 23, the power can be stably transmitted, and the first sofa 5 and the second sofa 6 are driven to stretch or retract. The support 1 is fixedly connected with two slide rails 24 at the top, two slide grooves 25 are formed in the bottom of the second sofa cushion 6, the slide rails 24 are slidably connected in the slide grooves 25, the movement of the second sofa cushion 6 and the first sofa 5 is guided, and it is ensured that the second sofa cushion 6 and the first sofa 5 travel along the predetermined path during the stretching or retracting process.
[0032] The second sofa cushion 6 is fixedly connected with a fixed plate 7 away from the first sofa cushion 5, one end of the gear rack 23 away from the gear 22 is fixedly connected in the fixed plate 7, the gear rack 23 stably transmits the pushing force to the second sofa cushion 6 through the fixed plate 7, and drives the second sofa cushion 6 to move. The outer parts of the first sofa cushion 5 and the second sofa cushion 6 are respectively provided with sponge cushions, the comfort of the sofa is improved, the sponge cushions can be fitted to the human body curve, soft support is provided, the body pressure is relieved, and people feel comfortable and happy.
[0033] Referring to Figure 1 , Figure 2 and Figure 3 , the placing assembly 3 comprises two air cylinders 31, the two air cylinders 31 are rotatably connected to the inner top wall of the support 1, the air cylinders 31 are provided with a certain movement angle, so that the air cylinders 31 can apply force at the best angle when pushing the related parts. The output end of the two air cylinders 31 is fixedly connected with a first connecting rod 32, one side of the first connecting rod 32 away from the air cylinders 31 is fixedly connected with a second connecting rod 33, when the air cylinders 31 work, the extension and retraction movement of the output end of the air cylinders 31 is converted into the swing of the first connecting rod 32 through the rotary connection, and then the second connecting rod 33 is driven to move. The linear movement of the air cylinders 31 can be converted into the swing movement of the placing assembly 3 to expand or retract. One end of the second connecting rod 33 away from the first connecting rod 32 is fixedly connected with a side plate 34, the side plate 34 is fixedly connected with a baffle 35 outside, the baffle 35 rotates with the side plate 34, and the expansion and retraction of the baffle 35 are realized. The baffle 35 is rotatably connected to the outer side wall of the support 1 on the left and right sides, and the inner side wall of the support 1 is rotatably connected with a placing table 36, when the baffle 35 expands, the placing table 36 can slide upward and turn out about the inner side wall of the support 1 under the driving of the baffle 35, and a usable placing plane is formed.
[0034] The connecting end of the first connecting rod 32 and the second connecting rod 33 is rotatably connected to the inner wall of the support 1, and the connecting rod transmission mechanism provides an additional support point for the first connecting rod 32 and the second connecting rod 33. The bottom of the fixed plate 7 is fixedly connected with two moving wheels 8, which can assist in supporting and sharing part of the weight when the second sofa cushion 6 is stretched, so that the overall movement of the sofa is more stable. The placing table 36 is slidably connected to the inner wall of the baffle 35 away from the support 1, so as to ensure that the placing table 36 can be accurately turned out or retracted along the predetermined path under the driving of the baffle 35.
[0035] Working principle: first, when the first sofa cushion 5 and the second sofa cushion 6 are stretched and opened, the motor 21 is started, and the gear 22 is driven to rotate. Since the gear 22 and the rack 23 are engaged with each other, the rotating movement of the gear 22 is converted into the linear movement of the rack 23, and the fixed plate 7 is pushed to move at the same time, so that the second sofa cushion 6 slides outward along the slide rail 24 to expand, so that the first sofa cushion 5 and the second sofa cushion 6 are laid on the support 1, thereby facilitating people to lie down.
[0036] Secondly, the air cylinder 31 is started, the first connecting rod 32 is pushed to swing, so as to drive the second connecting rod 33 to swing outward, so as to push the baffle 35 to open outward through the side plate 34, and at this time the placing table 36 slides upward along the inner wall of the baffle 35, when the baffle 35 is unfolded, the placing table 36 is supported by the baffle 35, so as to form a plane for placing articles, which is convenient for people to place books, tea cups, remote controllers and other daily necessities, and can be taken at will.
[0037] Finally, it should be pointed out that: the above-mentioned is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A telescopic and deformable sofa, comprising a support (1), characterized in that: The top of the bracket (1) is fixedly connected to a connecting frame (4), the inner side wall of the connecting frame (4) is rotatably connected to a first sofa cushion (5), and the end of the first sofa cushion (5) away from the connecting frame (4) is rotatably connected to a second sofa cushion (6), a pushing component (2) is provided inside the bracket (1), and a placing component (3) is provided on the left and right sides of the bracket (1); The pushing assembly (2) comprises a motor (21), the output end of the motor (21) is fixedly connected to a gear (22), the interior of the bracket (1) is slidably connected to a rack (23), the gear (22) and the rack (23) are meshed, the top of the bracket (1) is fixedly connected to two slide rails (24), the bottom of the second sofa cushion (6) is provided with two slide grooves (25), the outside of the slide rails (24) is slidably connected to the inside of the slide grooves (25).
2. The telescopic and deformable sofa according to claim 1, characterized in that: The placement assembly (3) comprises two cylinders (31), the two cylinders (31) are rotatably connected to the inner top wall of the bracket (1), the output ends of the two cylinders (31) are fixedly connected to the first connection (32), the first connection (32) is fixedly connected to the side away from the cylinder (31) with a second connecting rod (33), the second connecting rod (33) is rotatably connected to the side plate (34) at one end away from the first connection (32), the side plate (34) is fixedly connected to a baffle (35) on the outside, the baffle (35) is rotatably connected to the outer side wall of the bracket (1) on the left and right sides, and the inner side wall of the bracket (1) is rotatably connected to the placement platform (36).
3. The telescopic and deformable sofa according to claim 1, characterized in that: A fixing plate (7) is fixedly connected to the side of the second sofa cushion (6) away from the first sofa cushion (5), and an end of the rack (23) away from the gear (22) is fixedly connected to the inside of the fixing plate (7).
4. The telescopic and deformable sofa according to claim 2, characterized in that: The connecting ends of the first connection (32) and the second connecting rod (33) are rotatably connected to the inner side wall of the bracket (1).
5. The telescopic and deformable sofa according to claim 3, characterized in that: Two moving wheels (8) are fixedly connected to the bottom of the fixed plate (7).
6. The telescopic and deformable sofa according to claim 2, characterized in that: The side of the placement platform (36) away from the bracket (1) is slidably connected to the inner wall of the baffle (35).
7. The telescopic and deformable sofa according to claim 1, characterized in that: Sponge pads are respectively provided on the outside of the first sofa cushion (5) and the second sofa cushion (6).