Intelligent driving extension platform at bottom of electric sofa
By designing an intelligent drive extension platform at the bottom of the electric sofa and using the motor to drive the screw and movable components, the problem of insufficient support of the existing electric sofa extension platform is solved, automatic adjustment and stable support of the sofa length are realized, and the convenience of use is improved and space utilization efficiency.
Patent Information
- Application Number
- CN202420242461.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-01
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-02-01
AI Technical Summary
The bottom extension platform of existing electric sofas has low support force, is prone to collapse, and is inconvenient to use.
An intelligent drive extension platform at the bottom of the electric sofa is designed, and a motor-driven screw is used to drive the sliding platform to move. Combined with movable components and support legs, it realizes automatic extension and shortening of the sofa length, and shrinks the platform into the support seat when not in use.
It improves the practicality and comfort of the sofa, reduces the sofa's space occupied, prevents the platform from being hindered during handling, and ensures the stability and support strength of the platform.
Smart Images

Figure CN222443637U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric sofas, in particular to an intelligent driving extension platform at the bottom of an electric sofa. Background Art
[0002] A sofa is a cushioned multi-seat chair with a backrest equipped with springs or thick foam plastics, and armrests on both sides. It is a type of soft furniture. With the gradual improvement of people's living standards, compared with traditional sofas, electric sofas are used more and more as a life enjoyment. Electric sofas are increasingly loved and respected by people due to their unique comfort and functionality.
[0003] In the prior art, electric sofas are large in size and occupy a large space. A platform can be extended from the bottom of the electric sofa to change the length of the sofa, making it more comfortable for people to use. However, this platform has low supporting force and is easily collapsed by force, making it inconvenient to use. In order to solve the above problems, we propose an intelligent drive extension platform at the bottom of the electric sofa. Utility Model Content
[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: an intelligent drive extension platform at the bottom of an electric sofa, comprising a support seat, the support seat is used to support the electric sofa;
[0005] A back plate, the outer surface of which is fixedly connected to the outer surface of the support seat, the top of which is fixedly connected to a backrest, and the back plate and the backrest are used to support the back of a human body;
[0006] A soft cushion, the bottom of which is fixedly connected to the top of the support seat, and the soft cushion is used to support the arm of a human body;
[0007] A seat plate, the outer surface of which is fixedly connected to the inner surface of the support seat, and the seat plate is used to support a human body;
[0008] A folding platform, the outer surface of which is fixedly connected to a side of the back plate close to the support seat, and the folding platform is used to adjust the size of the sofa;
[0009] The folding platform comprises a sliding platform, the outer surface of the sliding platform is slidably connected to the inner surface of the seat plate, a movable component is fixedly connected to the edge of the bottom of the sliding platform, and a supporting leg is fixedly connected to the bottom of the sliding platform;
[0010] A ramp is provided at the bottom of the support seat and is used to assist in folding the folding platform.
[0011] Preferably, the folding platform also includes a motor, the outer surface of the motor is fixedly connected to a side of the back plate close to the support seat, the output end of the motor is fixedly connected to a screw rod, the outer surface of the screw rod is slidably connected to the inner surface of the sliding platform. By providing the folding platform, it is not necessary to rely on manpower to extend or shorten the length of the sofa, change the state of the sofa, and change the area of the sofa, thereby improving the practicality of the sofa. In normal times, the space occupied by the sofa is reduced, making it easier for people to use.
[0012] Preferably, the movable component includes a cylinder, the top of the cylinder is fixedly connected to the bottom of the sliding platform, the top of the inner cavity of the cylinder is fixedly connected to a rebound spring, the bottom end of the rebound spring is fixedly connected to a roller column, the movable component assists the movement of the sliding platform, and when not in use, the bottom of the folding platform is retracted into the support seat to prevent the folding platform from hindering the movement of the sofa when the sofa is being transported.
[0013] Preferably, the supporting leg comprises a fixing part, the top of which is fixedly connected to the bottom of the sliding platform, the inner surface of the fixing part is rotatably connected to a rotating part, and the bottom of the rotating part is fixedly connected to a supporting plate. By arranging the supporting legs, the sliding platform is supported, so that the state of the sofa can be stably maintained after switching, and one side of the sliding platform will not collapse and deform due to sitting pressure, thereby enhancing the supporting strength of the sliding platform.
[0014] Preferably, a return spring is fixedly connected to a side of the rotating member close to the fixed member, an end of the return spring away from the rotating member is fixedly connected to an inner surface of the fixed member, a rotating plate is fixedly connected to a side of the rotating member close to the return spring, and an elastic sheet is fixedly connected to the inner surface of the fixed member, and the rotating plate and the elastic sheet cooperate with each other to fold the support legs at normal times and put down when needed.
[0015] The utility model provides an intelligent driving extension platform at the bottom of an electric sofa, which has the following beneficial effects:
[0016] 1. The bottom of the electric sofa is intelligently driven to extend the platform, and the movable components are used to assist the movement of the sliding platform. When not in use, the bottom of the folding platform is retracted into the support seat to prevent the folding platform from hindering the movement of the sofa when the sofa is being moved.
[0017] Second, the bottom of the electric sofa is intelligently driven to extend the platform, and the supporting legs are provided to support the sliding platform, so that the state of the sofa can be stably maintained after switching, and one side of the sliding platform will not collapse and deform due to sitting pressure, thereby enhancing the supporting strength of the sliding platform. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1This is a schematic diagram of the external structure of an intelligent drive extension platform at the bottom of an electric sofa according to the utility model;
[0019] Figure 2 This is a schematic diagram of the internal structure of the utility model;
[0020] Figure 3 This is a partial structural diagram of the folding platform of the utility model;
[0021] Figure 4 It is a schematic diagram of the structure of the active component part of the utility model;
[0022] Figure 5 This is a schematic diagram of the structure of the supporting leg portion of the utility model;
[0023] Figure 6 This is a sectional view of the supporting leg structure of the utility model.
[0024] In the figure: 1. support seat; 2. ramp; 3. folding platform; 31. motor; 32. sliding platform; 33. screw; 34. movable component; 341. cylinder; 342. rebound spring; 343. roller column; 35. support leg; 351. fixing part; 352. rotating part; 353. support plate; 354. return spring; 355. rotating plate; 356. elastic sheet; 4. seat plate; 5. cushion; 6. back plate; 7. backrest. DETAILED DESCRIPTION
[0025] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes. Example
[0026] like Figure 1-Figure 6 As shown, the utility model provides a technical solution: an intelligent driving extension platform at the bottom of an electric sofa, comprising a support seat 1, the support seat 1 is used to support the electric sofa;
[0027] A back plate 6, the outer surface of the back plate 6 is fixedly connected to the outer surface of the support seat 1, and the top of the back plate 6 is fixedly connected with a backrest 7, and the back plate 6 and the backrest 7 are used to support the back of the human body;
[0028] A soft cushion 5, the bottom of which is fixedly connected to the top of the support seat 1, and the soft cushion 5 is used to support the arm of a human body;
[0029] A seat plate 4, the outer surface of which is fixedly connected to the inner surface of the support seat 1, and the seat plate 4 is used to support a human body;
[0030] A folding platform 3, the outer surface of which is fixedly connected to a side of the back plate 6 close to the support seat 1, and the folding platform 3 is used to adjust the size of the sofa;
[0031] The folding platform 3 includes a sliding platform 32, the outer surface of the sliding platform 32 is slidably connected to the inner surface of the seat plate 4, a movable component 34 is fixedly connected to the edge of the bottom of the sliding platform 32, and a supporting leg 35 is fixedly connected to the bottom of the sliding platform 32;
[0032] The slope 2 is provided at the bottom of the support seat 1 and is used for assisting the folding platform 3 to be folded.
[0033] The folding platform 3 also includes a motor 31, the outer surface of the motor 31 is fixedly connected to a side of the back plate 6 close to the support seat 1, the output end of the motor 31 is fixedly connected to a screw rod 33, the outer surface of the screw rod 33 is slidably connected to the inner surface of the sliding platform 32, when in use, the motor 31 drives the screw rod 33 to rotate, and the screw rod 33 drives the sliding platform 32 to move, when the sofa needs to be extended, the sliding platform 32 moves outward to extend the length of the sofa, when the sliding platform 32 is not needed, the sliding platform 32 is retracted into the support seat 1, by setting the folding platform 3, there is no need to rely on manpower to extend or shorten the length of the sofa, changing the state of the sofa, so that the area of the sofa is changed, the practicality of the sofa is improved, and in normal times, the space occupied by the sofa is reduced, which is convenient for people to use.
[0034] The movable component 34 includes a cylinder 341, the top of which is fixedly connected to the bottom of the sliding platform 32, a rebound spring 342 is fixedly connected to the top of the inner cavity of the cylinder 341, and a roller column 343 is fixedly connected to the bottom of the rebound spring 342. When in use, the sliding platform 32 drives the cylinder 341 to move, and the cylinder 341 drives the rebound spring 342 and the roller column 343 to move. The roller column 343 moves in and out of the support seat 1 along the slope 2, and the movable component 34 assists the movement of the sliding platform 32. When not in use, the bottom of the folding platform 3 is retracted into the support seat 1 to prevent the folding platform 3 from hindering the movement of the sofa when the sofa is being transported.
[0035] The supporting leg 35 includes a fixing member 351, the top of which is fixedly connected to the bottom of the sliding platform 32, the inner surface of the fixing member 351 is rotatably connected to a rotating member 352, the bottom of the rotating member 352 is fixedly connected to a supporting plate 353, after the sliding platform 32 moves to a desired position, the rotating member 352 is rotated, the rotating member 352 drives the supporting plate 353 to move, and the supporting plate 353 contacts the ground, and the sliding platform 32 is supported by providing the supporting leg 35, so that the state of the sofa can be stably maintained after switching, one side of the sliding platform 32 will not collapse and deform due to sitting pressure, thereby enhancing the supporting strength of the sliding platform 32.
[0036] The side of the rotating member 352 close to the fixed member 351 is fixedly connected with a return spring 354, and the end of the return spring 354 away from the rotating member 352 is fixedly connected to the inner surface of the fixed member 351. The side of the rotating member 352 close to the return spring 354 is fixedly connected to a rotating plate 355, and the inner surface of the fixed member 351 is fixedly connected with an elastic sheet 356. When in use, when the support leg 35 is folded up, the rotating member 352 is rotated, and the rotating member 352 rotates to drive the rotating plate 355 to rotate, and the rotating plate 355 rotates past the elastic sheet 356, driving the elastic sheet 356 to rotate. The elastic sheet 356 is deformed and slides over the surface of the elastic sheet 356. At this time, the elastic sheet 356 blocks the rotating plate 355, and the rotating plate 355 prevents the rotating member 352 from rotating. When the rotating member 352 needs to be lowered, the rotating member 352 is rotated, and the rotating member 352 drives the rotating plate 355 to rotate. The rotating plate 355 drives the elastic sheet 356 to deform and slide over the surface of the elastic sheet 356. The return spring 354 drives the rotating member 352 to rotate downward. The rotating plate 355 and the elastic sheet 356 cooperate with each other, and the support leg 35 is usually folded up, and the support leg 35 is lowered when needed.
[0037] When in use, the motor 31 drives the screw rod 33 to rotate, and the screw rod 33 drives the sliding platform 32 to slide in the direction away from the motor 31, and the sliding platform 32 drives the cylinder 341 to move in the direction away from the motor 31, and the cylinder 341 drives the rebound spring 342 and the roller column 343 to move in the direction away from the motor 31, and the roller column 343 moves along the slope 2 to the outside of the support seat 1. After the sliding platform 32 moves to the required position, the rotating member 352 is rotated, and the rotating member 352 rotates downward, and the rotating member 352 drives the rotating plate 355 to rotate downward, and the rotating plate 355 drives the elastic sheet 356 to bend downward, and the rotating plate 355 slides over the surface of the bent elastic sheet 356. At this time, the return spring 354 can drive the rotating member 352 to rotate downward, and the rotating member 352 drives the supporting plate 353 to move downward, and the supporting plate 353 rotates downward, so that the bottom of the supporting plate 353 contacts the ground to support the sliding platform 32.
[0038] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.
Claims
1. An intelligent driving extension platform for the bottom of an electric sofa, comprising: A support seat (1), the support seat (1) being used to support the electric sofa; A back plate (6), the outer surface of the back plate (6) being fixedly connected to the outer surface of the support seat (1), the top of the back plate (6) being fixedly connected to a backrest (7), the back plate (6) and the backrest (7) being used to support the back of a human body; A soft cushion (5), the bottom of the soft cushion (5) being fixedly connected to the top of the support seat (1), and the soft cushion (5) being used to support an arm of a human body; It is characterized in that A seat plate (4), the outer surface of the seat plate (4) being fixedly connected to the inner surface of the support seat (1), and the seat plate (4) being used to support a human body; A folding platform (3), the outer surface of the folding platform (3) being fixedly connected to a side of the back panel (6) close to the support seat (1), and the folding platform (3) being used to adjust the size of the sofa; The folding platform (3) comprises a sliding platform (32), the outer surface of the sliding platform (32) being slidably connected to the inner surface of the seat plate (4), a movable component (34) being fixedly connected to the edge of the bottom of the sliding platform (32), and a supporting leg (35) being fixedly connected to the bottom of the sliding platform (32); A ramp (2), wherein the ramp (2) is provided at the bottom of the support seat (1), and the ramp (2) is used to assist in folding the folding platform (3).
2. The electric sofa bottom intelligent drive extension platform according to claim 1, characterized in that: The folding platform (3) further comprises a motor (31), the outer surface of the motor (31) being fixedly connected to a side of the back plate (6) close to the support seat (1), the output end of the motor (31) being fixedly connected to a screw rod (33), the outer surface of the screw rod (33) being slidably connected to the inner surface of the sliding platform (32).
3. The electric sofa bottom intelligent drive extension platform according to claim 1, characterized in that: The movable component (34) comprises a cylinder (341), the top of the cylinder (341) is fixedly connected to the bottom of the sliding platform (32), the top of the inner cavity of the cylinder (341) is fixedly connected to a rebound spring (342), and the bottom end of the rebound spring (342) is fixedly connected to a roller column (343).
4. The electric sofa bottom intelligent drive extension platform according to claim 1, characterized in that: The support leg (35) comprises a fixing member (351), the top of the fixing member (351) is fixedly connected to the bottom of the sliding platform (32), the inner surface of the fixing member (351) is rotatably connected to a rotating member (352), and the bottom of the rotating member (352) is fixedly connected to a support plate (353).
5. The intelligent driving extension platform at the bottom of an electric sofa according to claim 4, characterized in that: A return spring (354) is fixedly connected to a side of the rotating member (352) close to the fixed member (351); an end of the return spring (354) away from the rotating member (352) is fixedly connected to the inner surface of the fixed member (351); a rotating plate (355) is fixedly connected to a side of the rotating member (352) close to the return spring (354); and an elastic sheet (356) is fixedly connected to the inner surface of the fixed member (351).