Telescoping self-adapting sofa seat
By incorporating a multi-level adjustment structure, including adjustment screws and slides, along with a drive assembly and telescopic components, the limitations of traditional telescopic seat adjustment range and poor stability are resolved, achieving multi-level adjustment and enhanced stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANJI XINPENG HOME SUPPLIES CO LTD
- Filing Date
- 2025-09-09
- Publication Date
- 2026-06-26
Smart Images

Figure CN224403248U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sofa and chair technology, and in particular to a telescopic adaptive sofa and chair. Background Technology
[0002] Sofa chairs, also known as single sofas, are a type of home seating that combines comfort and decoration. They are suitable for home settings such as living rooms, bedrooms, and balconies. Their main materials include leather, fabric, metal, rattan, and solid wood. Among them, styles with simple lines and bright colors are favored by young consumers. This product is classified into different types according to materials, including leather, fabric, and rattan.
[0003] Retractable adaptive sofas and chairs are modern furniture that combines functionality and comfort. Their core feature is that they can be adjusted through structure to adapt to different space needs and usage scenarios. They are commonly found in small apartments, guest bedrooms, or multi-functional rooms. Their main body consists of a sliding and foldable seat, backrest, and hidden extension parts. They can switch between single, double, or even bed-like positions. Some also have adjustable armrests and headrests to fit the changes in human sitting posture.
[0004] Traditional single-stage telescopic seat structures have limited adjustment range. In addition, single-stage structures are less stable during extension and retraction, and are prone to wobbling, which affects the user experience.
[0005] Therefore, it is necessary to provide retractable adaptive sofa seats to solve the above-mentioned technical problems. Summary of the Invention
[0006] This utility model provides a telescopic adaptive sofa seat, which solves the problems of poor stability and easy wobbling of single-stage telescopic seat seats, and the limited adjustment range affecting the user experience.
[0007] To solve the above-mentioned technical problems, the telescopic adaptive sofa seat provided by this utility model includes: an adjustable base frame;
[0008] A chair frame is fixedly connected to the top of an adjustable base. The bottom of the inner wall of the chair frame has three mounting holes and one adjustment hole. A drive assembly is mounted on the front of the inner wall of the adjustment hole. An adjustment screw is mounted on the output end of the drive assembly. Two internal threaded brackets are threaded to the outer surface of the adjustment screw. A first slide rod with a first slider is mounted inside each of the adjustment holes near both sides. A fixing plate is mounted on the top of each set of first sliders and internal threaded brackets. An adjustment frame is mounted on the top of the two fixing plates. The top of the adjustment frame has three support holes. A second slide rod with a second slider is mounted inside each of the support holes near both sides. A telescopic component is mounted inside the middle support hole. A support block is mounted on the telescopic end of the telescopic component. An adjustment pad is fixedly connected to the top of the support block and the two second sliders. A fixing pad is mounted on the top of the adjustment frame near the back.
[0009] The backrest is installed on the back of the inner wall of the chair frame, and a cushion is provided on the front of the backrest. A lumbar support is provided between the fixed cushion and the cushion.
[0010] The other end of the adjusting screw is rotatably connected to the front of the inner wall of the adjusting port in the middle. The two first sliders at the same position on the outer surface of the two first slide rods form a group. The bottom of the fixing pad and the adjusting pad are made of hard board, and the top is covered with sofa sponge by leather or nylon cloth. The fixed end of the telescopic component is located on the back of the inner wall of the middle support port.
[0011] Preferably, a mobile phone frame is installed on one side of the chair frame, and a charging head is installed on the front of the mobile phone frame;
[0012] The charging head makes it easy to insert a charging cable to charge your phone.
[0013] Preferably, the chair frame has a pull-out opening on the front, and a placement frame is slidably connected inside the pull-out opening;
[0014] The storage box can be used to store miscellaneous items.
[0015] Preferably, a fixing opening is provided on one side of the inner wall of the chair frame, and an operation panel is installed on one side inside the fixing opening;
[0016] The control panel can control the operation of the drive components and telescopic parts.
[0017] Preferably, a fixing block is installed on the other side of the chair frame, and a cup holder is installed on the top of the fixing block.
[0018] Preferably, the drive assembly includes a protective shell, a drive component, and an angle sensor, wherein the protective shell is used to mount the drive component on the front side of the inner wall of the adjustment port;
[0019] An angle sensor, in conjunction with the drive components, can precisely control the rotation speed and rotation angle.
[0020] Preferably, a fixing frame is installed on the front of the chair frame, an air cushion is installed on the top of the fixing frame, and an injection tube is installed on one side of the fixing frame;
[0021] A solenoid valve is installed at the connection between the injection tube and the air cushion.
[0022] Preferably, a connection interface is provided on one side of the chair frame, and an air supply component with a connecting pipe is installed inside the connection interface. A sealing cover is installed on one side of the inner wall of the connection interface.
[0023] The gas supply component can supply and exhaust gas, and the connecting pipe is connected to the outlet of the gas supply component.
[0024] Compared with related technologies, the telescopic adaptive sofa seat provided by this utility model has the following beneficial effects:
[0025] This utility model provides a telescopic adaptive sofa seat. To enable multi-level adjustment, three mounting holes are opened at the bottom of the inner wall of the seat frame. Two first sliding rods are then installed in two of these mounting holes, while an adjusting screw is installed in the middle mounting hole. A drive assembly provides rotational driving force to the adjusting screw, facilitating the adjustment frame to move forward and backward via the internal threaded bracket, the first slider, and the fixing plate, thus increasing seating comfort. Three support holes are opened at the top of the adjustment frame. Two second sliding rods and a telescopic component are then installed inside these support holes. The extension and retraction of the telescopic component allows the second slider and the adjusting pad on the support block to continue moving forward, increasing the adjustment range. This design allows the sofa seat to be adjusted forward two levels as needed, increasing the adjustment range and stability, and improving user comfort. Attached Figure Description
[0026] Figure 1 A schematic diagram of the structure of the first embodiment of the telescopic adaptive sofa seat provided by this utility model;
[0027] Figure 2 A schematic diagram of the adjusting screw is provided for this utility model;
[0028] Figure 3 A schematic diagram of the adjustment structure is provided for this utility model;
[0029] Figure 4 Provided for this utility model Figure 3 An enlarged view of point A shown;
[0030] Figure 5 A schematic diagram of the drive component is provided for this utility model;
[0031] Figure 6 A schematic diagram of the structure of a second embodiment of the telescopic adaptive sofa seat provided by this utility model;
[0032] Figure 7 A schematic diagram of the gas supply component provided for this utility model.
[0033] The diagram is labeled as follows: 1. Adjustable base frame; 101. Base plate; 102. Mounting structure; 103. Adjustable structure.
[0034] 2. Chair frame; 3. Placement frame; 4. Adjustment frame; 5. Adjustment pad; 6. Fixing pad; 7. Lumbar support; 8. Backrest cushion; 9. Backrest; 10. Phone holder; 11. Charging head; 12. Cup holder; 13. Fixing block; 14. Pull-out opening; 15. Control panel; 16. Fixing port; 17. Installation port; 18. Adjustment screw.
[0035] 19. First slide bar; 20. Connecting interface; 21. Adjustment port; 22. Drive assembly; 221. Protective shell; 222. Drive component; 223. Angle sensor; 23. Fixing plate; 24. First slider; 25. Internal threaded frame; 26. Telescopic component; 27. Second slide bar; 28. Second slider; 29. Support block; 30. Injection pipe; 31. Fixing frame; 32. Inflatable cushion; 33. Connecting pipe; 34. Air supply component; 35. Sealing cap; 36. Support port. Detailed Implementation
[0036] The present invention will be further described below with reference to the accompanying drawings and embodiments. Example
[0037] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of the structure of the first embodiment of the telescopic adaptive sofa seat provided by this utility model; Figure 2 A schematic diagram of the adjusting screw is provided for this utility model; Figure 3 A schematic diagram of the adjustment structure is provided for this utility model; Figure 4 Provided for this utility model Figure 4 An enlarged view of point A shown; Figure 5 A structural schematic diagram of the drive component is provided for this utility model. The telescopic adaptive sofa seat includes: an adjustable base frame 1;
[0038] The chair frame 2 is fixedly connected to the top of the adjustable base frame 1. The bottom of the inner wall of the chair frame 2 has three mounting holes 17 and one adjustment hole 21. A drive assembly 22 is mounted on the front of the inner wall of the adjustment hole 21. An adjusting screw 18 is mounted on the output end of the drive assembly 22. Two internal threaded brackets 25 are threadedly connected to the outer surface of the adjusting screw 18. A first slide rod 19 with a first slider 24 is mounted inside each of the adjustment holes 21 near both sides. The top of each set of first sliders 24 and internal threaded brackets 25 is equipped with... The device is equipped with a fixing plate 23. An adjustment frame 4 is installed on the top of the two fixing plates 23. The top of the adjustment frame 4 has three support openings 36. A second slide rod 27 with a second slider 28 is installed inside the support openings 36 on both sides. A telescopic component 26 is installed inside the middle support opening 36. A support block 29 is installed at the telescopic end of the telescopic component 26. An adjustment pad 5 is fixedly connected to the top of the support block 29 and the two second sliders 28. A fixing pad 6 is installed on the top of the adjustment frame 4 near the back.
[0039] Backrest 9, the backrest 9 is installed on the back of the inner wall of the chair frame 2, the front of the backrest 9 is provided with a cushion 8, and a lumbar support 7 is provided between the fixing cushion 6 and the cushion 8.
[0040] The other end of the adjusting screw 18 is rotatably connected to the front of the inner wall of the adjusting port 21 located in the middle. The two first sliders 24 at the same position on the outer surface of the two first slide rods 19 form a group. The bottom of the fixing pad 6 and the adjusting pad 5 are made of hard board, and the top is covered with sofa sponge by leather or nylon cloth. The fixed end of the telescopic component 26 is connected to the back of the inner wall of the middle support port 36. The bottom of the backrest 9 is inserted into the back of the fixing pad 6, and the slider slides on the outer surface of the slide rod.
[0041] Please refer to Figure 1 A mobile phone frame 10 is installed on one side of the chair frame 2, and a charging head 11 is installed on the front of the mobile phone frame 10.
[0042] The charging head 11 makes it easy to insert the charging cable to charge the phone, and the phone frame 10 makes it easy to place the phone.
[0043] Please refer to Figure 1 and Figure 2 The chair frame 2 has a pull-out opening 14 on the front, and a placement frame 3 is slidably connected inside the pull-out opening 14;
[0044] Placement box 3 can be used to place miscellaneous items, increasing storage capacity.
[0045] Please refer to Figure 2 A fixing opening 16 is provided on one side of the inner wall of the chair frame 2, and an operation panel 15 is installed on one side inside the fixing opening 16.
[0046] The control panel 15 can control the operation of the drive assembly 22 and the telescopic component 26.
[0047] Please refer to Figure 2 A fixing block 13 is installed on the other side of the chair frame 2, and a cup holder 12 is installed on the top of the fixing block 13;
[0048] The fixing block 13 can be removed when not needed.
[0049] Please refer to Figure 2 and Figure 5 The drive assembly 22 includes a protective shell 221, a drive component 222 and an angle sensor 223. The protective shell 221 is used to mount the drive component 222 on the front side of the inner wall of the adjustment port 21.
[0050] The angle sensor 223, together with the drive component 222, can precisely control the rotation speed and rotation angle.
[0051] The working principle of the telescopic adaptive sofa seat provided by this utility model is as follows:
[0052] Three mounting holes 17 are made at the bottom of the inner wall of the chair frame 2. Two first slide rods 19 are then installed in two of the mounting holes 17, and an adjusting screw 18 is installed in the middle mounting hole 17. The adjusting screw 18 is provided with rotational driving force by the drive assembly 22, which facilitates the adjustment frame 4 to be adjusted forward and backward by the internal threaded frame 25, the first slider 24 and the fixing plate 23, thereby increasing the riding comfort. Three support holes 36 are made at the top of the adjustment frame 4. Two second slide rods 27 and telescopic components 26 are then installed inside the support holes 36. The telescopic components 26 can be extended and retracted to drive the second slider 28 and the adjusting pad 5 on the support block 29 to continue to adjust forward, increasing the adjustment range. In actual use, the adjusting frame 4 can be moved forward by adjusting the adjusting screw 18. If the adjustment range is insufficient, the telescopic components 26 can be activated to push the adjusting pad 5 forward. At the same time, the lumbar pad 7 can block the separation between the adjusting pad 5 and the fixing pad 6, and provide lumbar support in conjunction with the lumbar pad 7.
[0053] Compared with related technologies, the telescopic adaptive sofa seat provided by this utility model has the following beneficial effects:
[0054] To enable multi-level adjustment of the sofa seat, three mounting holes 17 are made at the bottom of the inner wall of the chair frame 2. Two first sliding rods 19 are then installed in two of the mounting holes 17, while the adjusting screw 18 is installed in the middle mounting hole 17. The driving assembly 22 provides rotational driving force to the adjusting screw 18, which facilitates the adjustment frame 4 to be adjusted forward and backward via the internal threaded bracket 25, the first slider 24, and the fixing plate 23, thereby increasing seating comfort. Three support holes 36 are made at the top of the adjustment frame 4. Two second sliding rods 27 and the telescopic component 26 are then installed inside the support holes 36. The extension and retraction of the telescopic component 26 can drive the second slider 28 and the adjusting pad 5 on the support block 29 to continue to adjust forward, increasing the adjustment range. This design allows the sofa seat to be adjusted forward two levels as needed, increasing the adjustment range and stability, and improving user comfort. Example
[0055] Please refer to the following: Figures 6-7 , Figure 6 A schematic diagram of the structure of a second embodiment of the telescopic adaptive sofa seat provided by this utility model; Figure 7 This utility model provides a structural schematic diagram of the air supply component. Based on the telescopic adaptive sofa seat provided in the first embodiment of this application, the second embodiment of this application proposes another telescopic adaptive sofa seat. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.
[0056] Specifically, the difference in the retractable adaptive sofa seat provided in the second embodiment of this application is as follows, please refer to... Figure 6 A fixing frame 31 is installed on the front of the chair frame 2, an air cushion 32 is installed on the top of the fixing frame 31, and an injection pipe 30 is installed on one side of the fixing frame 31.
[0057] A solenoid valve is installed at the connection between the injection tube 30 and the air cushion 32, and the other end of the injection tube 30 is connected to the connecting tube 33.
[0058] Please refer to Figure 7 The chair frame 2 has a connection interface 20 on one side, and an air supply component 34 with a connecting pipe 33 is installed inside the connection interface 20. A sealing cover 35 is installed on one side of the inner wall of the connection interface 20.
[0059] The gas supply component 34 can supply and exhaust gas, the connecting pipe 33 is connected to the outlet of the gas supply component 34, and the sealing cap 35 is used to seal the interface 20.
[0060] Compared with related technologies, the telescopic adaptive sofa seat provided by this utility model has the following beneficial effects:
[0061] To improve the support of the sofa seat for the legs, a fixed frame 31 is installed on the front of the chair frame 2. Then, an inflatable cushion 32 with a sponge covering the top is installed on the fixed frame 31. The inflatable cushion 32 is inflated and raised by the air supply component 34, which provides support for the legs. This design allows the inflatable cushion 32 to be used to raise the legs as needed, providing a certain degree of support for the legs and improving leg comfort.
[0062] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A telescopic self-adapting sofa seat, characterized in that, include: Adjust the base frame; A chair frame is fixedly connected to the top of an adjustable base. The bottom of the inner wall of the chair frame has three mounting holes and one adjustment hole. A drive assembly is mounted on the front of the inner wall of the adjustment hole. An adjustment screw is mounted on the output end of the drive assembly. Two internal threaded brackets are threaded to the outer surface of the adjustment screw. A first slide rod with a first slider is mounted inside each of the adjustment holes near both sides. A fixing plate is mounted on the top of each set of first sliders and internal threaded brackets. An adjustment frame is mounted on the top of the two fixing plates. The top of the adjustment frame has three support holes. A second slide rod with a second slider is mounted inside each of the support holes near both sides. A telescopic component is mounted inside the middle support hole. A support block is mounted on the telescopic end of the telescopic component. An adjustment pad is fixedly connected to the top of the support block and the two second sliders. A fixing pad is mounted on the top of the adjustment frame near the back. The backrest is installed on the back of the inner wall of the chair frame, and a cushion is provided on the front of the backrest. A lumbar support is provided between the fixed cushion and the backrest.
2. The telescoping self-adapting sofa seat of claim 1, wherein, A phone frame is installed on one side of the chair frame, and a charging head is installed on the front of the phone frame.
3. The retractable adaptive sofa chair according to claim 1, characterized in that, The chair frame has a pull-out opening on the front, and a placement frame is slidably connected inside the pull-out opening.
4. The retractable adaptive sofa chair according to claim 1, characterized in that, A fixing opening is provided on one side of the inner wall of the chair frame, and an operation panel is installed on one side inside the fixing opening.
5. The retractable adaptive sofa seat according to claim 1, characterized in that, A fixing block is installed on the other side of the chair frame, and a cup holder is installed on the top of the fixing block.
6. The retractable adaptive sofa seat according to claim 1, characterized in that, The drive assembly includes a protective shell, a drive component, and an angle sensor. The protective shell is used to mount the drive component on the front side of the inner wall of the adjustment port.
7. The retractable adaptive sofa chair according to claim 1, characterized in that, A fixing frame is installed on the front of the chair frame, an air cushion is installed on the top of the fixing frame, and an injection tube is installed on one side of the fixing frame.
8. The retractable adaptive sofa seat according to claim 7, characterized in that, The chair frame has a connection port on one side, and an air supply component with a connecting pipe is installed inside the connection port. A sealing cover is installed on one side of the inner wall of the connection port.