Intelligent sofa capable of adjusting sitting depth
By using the backrest sliding adjustment, buckle locking, cylinder unlocking, and pressure sensor control, the smart sofa achieves automatic adjustment of the sofa's seat depth and dynamic support of the support board, solving the problem that traditional sofas cannot adapt to different body types and sitting habits, thus improving the comfort and convenience of use.
Patent Information
- Application Number
- CN202422955684.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-02
AI Technical Summary
Traditional sofas have a fixed seat depth, which cannot adapt to different body types and sitting habits, leading to leg fatigue or discomfort.
An intelligent sofa with adjustable seat depth was designed. Through the sliding adjustment of the back cushion, the stable locking of the buckle, the automatic unlocking of the cylinder, the cooperation of the pressure sensor and the electric push rod, the support board can be automatically extended and the angle adjusted to provide personalized leg support.
It improves the comfort and convenience of the sofa, and can automatically adjust the position and angle of the support board according to the user's sitting posture to provide optimal leg support and reduce the amount of manual adjustment and cleaning and maintenance work.
Smart Images

Figure CN223585570U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sofa technical field, specifically, it relates to an adjustable sitting deep intelligent sofa. BACKGROUND
[0002] With the improvement of people's living standards and the pursuit of the comfort of home environment, the traditional sofa has been difficult to meet the diversified needs of modern families, especially for people of different body types and sitting habits, the sofa with fixed sitting depth often cannot provide the best comfortable experience, in this background, the adjustable sitting depth intelligent sofa emerges as the times require, aiming at providing more personalized and comfortable sitting and lying experience for users through intelligent design and technology.
[0003] Chinese utility model patent CN221616627U provides an adjustable sitting depth intelligent sofa, including box, the upper surface of box is connected with lifting device, the outside of lifting device is provided with translation device, the outer surface of translation device is fixedly connected with the inner chamber of box, the upper surface of lifting device is fixedly connected with high resilience sponge, the sofa realizes the effect of providing suitable back support for adapting to different height crowds through lifting device, but there are still deficiencies in practical application, specifically, since the main concern is to adjust the position of the backrest plate to adapt to different sitting depth requirements, but the change of the leg posture of the user is not considered with the change of the sitting depth, in the actual use process, with the greater sitting depth, the leg lifting amplitude of the user will be higher, which may cause leg fatigue or discomfort, therefore we put forward an adjustable sitting depth intelligent sofa to overcome the above defects. UTILITY MODEL CONTENT
[0004] In order to overcome the shortcomings of the prior art, the utility model provides an adjustable sitting depth intelligent sofa.
[0005] The technical scheme is: an adjustable deep sitting intelligent sofa, comprising side plates, a mounting frame and a baffle, the side plates are symmetrically provided and are support carriers of the sofa, the mounting frame is fixed between the two side plates, the front side of the mounting frame is an opening, and the baffle is arranged at the opening of the front side of the mounting frame; further comprising: a support block arranged at the top of the mounting frame between the two side plates, the support block is located at the rear side of the top of the mounting frame; a back cushion slidably arranged between the two side plates through the two side sliding blocks, the support block is supported at the bottom of the back cushion; a buckle member arranged on the two side walls of the back cushion, the buckle member is used for buckling and limiting the back cushion adjusted between the side plates; a plurality of sponge pads arranged side by side on the top of the mounting frame, the sponge pads are all located at the front side of the support block; guide rails symmetrically arranged on the inner side walls of the mounting frame; a rotating shaft, both ends of the rotating shaft are rotatably connected with guide blocks, and the rotating shaft is slidably connected with the guide rails on the inner walls of the mounting frame through the guide blocks at both ends; a supporting plate fixedly connected with the rotating shaft, the baffle is provided with an opening, the supporting plate is located at the opening of the baffle, and the supporting plate can support the legs of a user hanging down from the sofa after extending out of the opening of the baffle; a control mechanism, the control mechanism is arranged in the mounting frame and is used for controlling the length and angle of the supporting plate extending out, so that the legs of the user can be adaptively supported when the user is in different deep sitting positions on the sofa, and the use comfort of the sofa is improved.
[0006] Further, a dust cover is arranged at the opening of the baffle, the dust cover is flexible, the dust cover and the baffle are in contact with each other, and the dust cover is used for preventing dust from entering the mounting frame to cause adverse effects.
[0007] Further, the buckle member comprises a clamping block and a spring, a plurality of uniformly spaced clamping grooves are formed in the inner walls of the two side plates, the clamping blocks matched with the clamping grooves are symmetrically and slidably arranged on the two side walls of the back cushion through the grooves, the clamping blocks are wedge-shaped blocks, springs are arranged between the back cushion and the clamping blocks, after the back cushion is adjusted between the two side plates, the clamping blocks on the back cushion are clamped into the corresponding clamping grooves, the back cushion adjusted can be stably locked between the two side plates, and the back cushion can effectively and stably support users in different deep sitting positions.
[0008] Further, a top frame and an air cylinder are further included, the top frame is provided with two top rods symmetrically and slidably connected to the outer side walls of the side plates, the top frame is provided with a plurality of top rods matched with the clamping grooves, the top frame is used for pushing out the clamping blocks clamped into the clamping grooves, so that the locked back cushion is unlocked from between the side plates, air cylinders are symmetrically and fixedly arranged on the back surface of the support block, the extension rods of the air cylinders are connected with the corresponding top frames on the same side, and the air cylinders are used for automatically driving the top frame to unlock the back cushion, so that the back cushion can be flexibly adjusted in the depth of the backrest between the side plates.
[0009] Further, the control mechanism comprises a first pressure sensor, a first electric push rod and a lifting piece, the first pressure sensor is arranged in the sponge pad at the frontmost side, the first electric push rod is symmetrically arranged on the inner wall of the mounting frame, the first pressure sensor is electrically connected with the first electric push rod through the built-in controller, the telescopic rod of the first electric push rod is hinged with the rotating shaft, and the lifting piece is slidably arranged in the mounting frame and used for lifting the supporting plate; when a user only sits on the sponge pad at the frontmost side, the first pressure sensor in the sponge pad at the frontmost side senses the pressure and controls the first electric push rod to be started through the controller, the first electric push rod pushes the supporting plate to extend from the through opening of the baffle and supports the legs of the user.
[0010] Further, the lifting piece comprises a sliding plate, a plurality of second pressure sensors, two second electric push rods and two push plates, the sliding plate is slidably connected to the inner bottom of the mounting frame, the second pressure sensors are arranged in the sponge pads at the rear side of the frontmost side, the second electric push rods are symmetrically arranged on the sliding plate, the second pressure sensors are electrically connected with the second electric push rods through the built-in controller, and the push plates are symmetrically fixed to the two end portions of the rotating shaft and hinged with the telescopic rods of the second electric push rods on the same side; when the sitting depth of the user increases in the direction of the back cushion, the second pressure sensors in the sponge pads at the rear side sense the pressure and control the second electric push rods to be started through the controller, the second electric push rods drive the push plates to push the rotating shaft to rotate, and the supporting plate on the rotating shaft is lifted upward, so that the leg support of the user with different sitting depths is better adapted.
[0011] Beneficial effects: 1. Through the sliding adjustment of the back cushion and the design of the buckle piece, the user can adjust the sitting depth according to the body shape or preference, so that the sofa can better fit the human body curve, and the first electric push rod is used to extend the supporting plate from the baffle, thereby providing appropriate leg support for the user and providing personalized comfortable experience for the user.
[0012] 2. The first pressure sensor and the second pressure sensor can be cooperated with each other, and the first electric push rod and the second electric push rod can be controlled respectively, so that the supporting plate can automatically adjust the extension length and the angle according to the position (i.e. the sitting depth) of the user when sitting into the sofa, the convenience of use is increased, and the comfort and the user experience of the sofa are further improved.
[0013] 3. The cooperation of the air cylinder and the top frame can realize the automatic unlocking of the back cushion adjustment, the user does not need to manually adjust, and only needs to complete the change of the backrest depth through simple operation, the use convenience is improved, and the dust cover arranged at the through opening of the baffle is telescopic, can effectively prevent dust from entering the mounting frame, and can reduce the workload of cleaning and maintenance. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1The utility model discloses a three-dimensional structure schematic view.
[0015] Figure 2 The utility model discloses the sectional view of installation frame, support block, sponge pad and back pad and other components.
[0016] Figure 3 The utility model discloses the connection relation diagram of back pad, clamping block, spring and sliding block.
[0017] Figure 4 The utility model discloses the schematic diagram of sponge pad, first pressure sensor and second pressure sensor.
[0018] Figure 5 The utility model discloses the schematic diagram of rotating shaft, supporting plate, sliding plate and push plate cooperation relation.
[0019] Fig. 1 - side plate, 2 - installation frame, 3 - baffle, 31 - dust cover, 4 - support block, 5 - back pad, 51 - top frame, 52 - pneumatic cylinder, 6 - clamping groove, 7 - clamping block, 8 - spring, 9 - sliding block, 11 - sponge pad, 12 - first pressure sensor, 13 - second pressure sensor, 14 - guide rail, 15 - first electric push rod, 16 - rotating shaft, 161 - guide block, 17 - supporting plate, 18 - sliding plate, 19 - second electric push rod, 20 - push plate. DETAILED DESCRIPTION
[0020] The utility model is described in detail below in combination with the drawings and specific embodiment, but not as the limitation to the utility model.
[0021] An adjustable seat depth intelligent sofa, such as Figures 1-5As shown, including the side plate 1, installation frame 2 and baffle 3, side plate 1 is provided with two symmetrically arranged and is the support carrier of the sofa, installation frame 2 is fixed between the two side plates, the front side of installation frame 2 is open, baffle 3 is arranged at the front opening of installation frame 2;Also includes: support block 4, installation frame 2 top between the two plates, support block 4 is located at the top of installation frame 2 rear side;Back cushion 5, through the two side sliding block 9 slidingly arranged between the two plates, support block 4 is supported at the bottom of back cushion 5;Buckle, set on the two side walls of back cushion 5, buckle is used for buckling and limiting back cushion 5 adjusted between the side plate 1;Sponge pad 11, provided with multiple and side by side laid on the top of installation frame 2, sponge pad 11 is located in the front side of support block 4;Guide rail 14, symmetrically arranged on the inner side wall of installation frame 2;Rotary shaft 16, both ends of rotary shaft 16 are rotatably connected with guide block 161, rotary shaft 16 is slidably connected with guide rail 14 on the inner wall of installation frame 2 through both ends of guide block 161;Support plate 17, fixedly connected with rotary shaft 16, baffle 3 is provided with a through opening, support plate 17 is located at the through opening of baffle 3, support plate 17 can support the user's legs hanging down from the through opening of baffle 3;Control mechanism, control mechanism is arranged in installation frame 2, control mechanism is used for controlling the length and angle of support plate 17, so that the user's legs can be adaptively supported when sitting on the sofa at different depths, improve the use comfort of the sofa;Buckle includes clamping block 7 and spring 8, a plurality of evenly spaced clamping grooves 6 are formed in the inner wall of the two side plates 1, the clamping block 7 adapted to the clamping groove 6 is symmetrically and slidably arranged on the two side walls of the back cushion 5 by slotting, the clamping block 7 is a wedge-shaped block, the spring 8 is arranged between the back cushion 5 and the clamping block 7, after adjusting the back cushion 5 between the two plates, the clamping block 7 on the back cushion 5 is clamped into the corresponding clamping groove 6, so that the adjusted back cushion 5 can be stably locked between the two plates, so that the back cushion 5 can effectively and stably support the user at different depths.
[0022] As shown in Figure 1 and Figure 2 , the through opening of baffle 3 is provided with a dust cover 31, the dust cover 31 has telescopic property, the dust cover 31 and the baffle 3 are in contact with each other, the dust cover 31 is used for preventing dust from entering the installation frame 2 and causing adverse effects.
[0023] As shown in Figure 1 and Figure 2 , it also includes top frame 51 and air cylinder 52, top frame 51 is provided with two and symmetrically connected with the outer side wall of the plate, top frame 51 is provided with a plurality of top rods adapted to the clamping groove 6, top frame 51 is used for ejecting the clamping block 7 clamped into the clamping groove 6, so that the locked back cushion 5 is unlocked from the side plate 1, the back of the support block 4 is symmetrically provided with the air cylinder 52, the telescopic rod of the air cylinder 52 is connected with the corresponding top frame 51 of the same side, the air cylinder 52 is used for automatically driving the top frame 51 to unlock the back cushion 5, so that the back cushion 5 can adjust the depth of the backrest between the side plate 1.
[0024] As Figure 2 , Figure 4 and Figure 5 shown, the control mechanism includes a first pressure sensor 12, a first electric push rod 15 and a lifting piece, the first pressure sensor 12 is arranged inside the frontmost sponge pad 11, the first electric push rod 15 is symmetrically fixed on the inner wall of the mounting frame 2, the first pressure sensor 12 is electrically connected with the first electric push rod 15 through the built-in controller, the telescopic rod of the first electric push rod 15 is hinged with the rotating shaft 16, the lifting piece is also slidably arranged in the mounting frame 2 and is used to lift the supporting plate 17, when the user only sits on the frontmost sponge pad 11, the first pressure sensor 12 inside the sponge pad 11 senses the pressure and controls the first electric push rod 15 to be activated through the controller, the first electric push rod 15 pushes the supporting plate 17 to extend from the opening of the baffle 3 and supports the user's legs; the lifting piece includes a sliding plate 18 which is slidably connected to the inner bottom of the mounting frame 2, a plurality of second pressure sensors 13 which are arranged inside the sponge pads 11 except the frontmost one, two second electric push rods 19 which are symmetrically arranged on the sliding plate 18, the second pressure sensors 13 are electrically connected with the second electric push rods 19 through the built-in controller, and a push plate 20 which is symmetrically fixed on both ends of the rotating shaft 16 and is hinged with the push plate 20 on the same side on the telescopic rod of the second electric push rod 19, when the user sits deeper in the direction of the back cushion 5, the second pressure sensors 13 in the sponge pads 11 on the rear side sense the pressure and control the second electric push rods 19 to be activated through the controller, the second electric push rods 19 push the rotating shaft 16 to rotate through the push plate 20, so that the supporting plate 17 on the rotating shaft 16 is lifted upward, thereby better adapting to the leg support of users with different sitting depths.
[0025] When the user sits on the sponge pad 11 of the sofa, selects the appropriate sitting depth according to personal preference, manually adjusts the position of the back pad 5, and the clamping blocks 7 on both sides of the back pad 5 are matched with the clamping grooves 6 on the inner wall of the side plate 1 under the action of the springs 8, the position of the back pad 5 is fixed, and when the position of the back pad 5 needs to be adjusted again, the control cylinder 52 is started to enable the top frame 51 to move under the action of the cylinder 52, the clamping block 7 clamped in the clamping groove 6 is ejected, and the back pad 5 can be adjusted again, when the user only sits on the frontmost sponge pad 11, the first pressure sensor 12 inside the sponge pad 11 senses the pressure, the signal sensed by the first pressure sensor 12 is transmitted to the built-in controller, the controller starts the first electric push rod 15, the telescopic rod of the first electric push rod 15 is hinged to the rotating shaft 16, and when the electric push rod acts, the rotating shaft 16 is rotated, so that the supporting plate 17 is extended from the opening of the baffle 3 to form a supporting surface, providing additional support for the user's legs, and the dust cover 31 at the opening of the baffle 3 is telescopic, which can effectively prevent dust from entering the installation frame 2 and keep the inside of the installation frame 2 clean, if the user sits deeper, that is, the body contacts the rear sponge pad 11, the second pressure sensor 13 inside the sponge pad 11 is also triggered, when the second pressure sensor 13 detects the pressure, the controller activates the corresponding second electric push rod 19, which adjusts the angle of the supporting plate 17 by pushing the push plate 20 at both ends of the rotating shaft 16, so that the supporting plate 17 is more in line with the natural curvature of the user's legs, providing more comfortable support effect, during the whole process, the position and angle of the supporting plate 17 can be dynamically adjusted according to the specific sitting posture of the user, ensuring that the user can obtain the best leg support regardless of how to adjust the sitting depth, and improving the comfort and practicality of the sofa.
[0026] The above is only a specific implementation manner of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. An adjustable seat depth intelligent sofa, comprising side plates (1), a mounting frame (2) and a baffle (3), the side plates (1) are symmetrically arranged, the mounting frame (2) is fixed between the two side plates, the front side of the mounting frame (2) is an opening, and the baffle (3) is arranged at the front opening of the mounting frame (2). characterized in that Further comprising: a support block (4) arranged at the top of the mounting frame (2) between the two side plates, the support block (4) is located at the rear side of the top of the mounting frame (2); a back cushion (5) slidingly arranged between the two side plates through two side sliding blocks (9), the support block (4) is supported at the bottom of the back cushion (5); a buckle member arranged on the two side walls of the back cushion (5), the buckle member is used for buckling and limiting the back cushion (5) adjusted between the side plates (1); a plurality of sponge pads (11) arranged side by side on the top of the mounting frame (2), the sponge pads (11) are all located at the front side of the support block (4); a guide rail (14) symmetrically arranged on the inner side wall of the mounting frame (2); a rotating shaft (16), both ends of the rotating shaft (16) are rotatably connected with guide blocks (161), and the rotating shaft (16) is slidingly connected with the guide rail (14) on the inner wall of the mounting frame (2) through the guide blocks (161) at both ends; a supporting plate (17) fixedly connected with the rotating shaft (16), the baffle (3) is provided with an opening, and the supporting plate (17) is located at the opening of the baffle (3); a control mechanism, the control mechanism is arranged in the mounting frame (2) and is used for controlling the length and angle of the supporting plate (17) extending out.
2. The adjustable depth intelligent sofa according to claim 1, wherein, A dust cover (31) is arranged at the opening of the baffle (3), the dust cover (31) is flexible, and the dust cover (31) and the baffle (3) are in contact with each other.
3. The adjustable depth intelligent sofa of claim 2, wherein, The buckle member comprises a clamping block (7) and a spring (8), a plurality of uniformly spaced clamping grooves (6) are formed in the inner walls of the two side plates (1), clamping blocks (7) matched with the clamping grooves (6) are symmetrically slidingly arranged on the two side walls of the back cushion (5) through the grooves, the clamping blocks (7) are wedge-shaped blocks, and the spring (8) is arranged between the back cushion (5) and the clamping blocks (7).
4. The adjustable depth intelligent sofa of claim 3, wherein, Further comprising a top frame (51) and an air cylinder (52), the top frame (51) is provided with two top rods matched with the clamping grooves (6) and symmetrically slidingly connected with the outer side walls of the side plates, the back surface of the support block (4) is symmetrically fixed with the air cylinder (52), and the telescopic rod of the air cylinder (52) is connected with the corresponding top frame (51) on the same side.
5. The adjustable depth intelligent sofa of claim 4, wherein, The control mechanism comprises a first pressure sensor (12), a first electric push rod (15) and a lifting piece, the frontmost sponge pad (11) is internally provided with the first pressure sensor (12), the inner wall of the mounting frame (2) is symmetrically and fixedly provided with the first electric push rod (15), the first pressure sensor (12) is electrically connected with the first electric push rod (15) through an internal controller, the telescopic rod of the first electric push rod (15) is hingedly connected with the rotating shaft (16), and the mounting frame (2) is internally and slidably provided with the lifting piece; the lifting piece is used for lifting a supporting plate (17).
6. The adjustable depth intelligent sofa of claim 5, wherein, The lifting piece comprises: a sliding plate (18) which is slidably connected to the inner bottom of the mounting frame (2); a plurality of second pressure sensors (13) which are installed in the interiors of the sponge pads (11) except the frontmost one; two second electric push rods (19) which are symmetrically installed on the sliding plate (18) and are electrically connected with the second pressure sensors (13) through an internal controller; push plates (20) which are symmetrically fixedly connected to the two end portions of the rotating shaft (16) and are respectively hingedly connected with the push plates (20) on the same side on the telescopic rods of the second electric push rods (19) on the two sides.
Citation Information
Patent Citations
Intelligent sofa capable of adjusting sitting depth
CN221616627U