A multifunctional electric sofa chair frame

Abstract

The utility model discloses a multifunctional electric sofa chair frame, including base, support component, drive component and support plate component, the support component includes back up lifting frame, hip frame, leg telescopic rotating frame and swing leg connecting rod frame, the drive component includes hip pushrod motor, back pushrod motor and leg pushrod motor, the support plate component includes backplate, waist board, hip board and shank board, the backplate is connected with back up lifting frame sliding, the hip board is fixed on hip frame, the shank board is fixed on swing leg connecting rod frame, the hip pushrod motor is connected to hip frame, the back pushrod motor is connected to back up lifting frame, the leg pushrod motor is connected to leg telescopic rotating frame, the utility model sets up independent hip pushrod motor, back pushrod motor and leg pushrod motor, respectively control the rotation of backplate, hip board and shank board and move, set up the posture according to the demand, and the function is more.

Description

Technical Field

[0001] This utility model relates to a chair frame, and more particularly to a multifunctional electric sofa chair frame. Background Technology

[0002] With economic development and rising living standards, electric sofas are increasingly appearing in ordinary homes as a lifestyle enjoyment. Compared to traditional sofas, electric sofas offer unique functionality and comfort, making them increasingly popular and sought after. The sofa frame is the core component of an electric sofa. By controlling the electric push rods on the frame, the sofa's position can be adjusted, thus electrically adjusting the sofa's shape and allowing users to sit in a more comfortable posture.

[0003] Currently available electric sofas generally offer back and leg adjustments, with the backrest tilted down to approximately 45 degrees and the legs raised. This only meets the most basic sitting requirements and cannot accommodate other postures such as lying down or standing. Therefore, the existing technology needs further improvement and development. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a multifunctional electric sofa chair frame, which can be used as a sofa, can also be used as a bed by flattening the back and legs, and can also lift the back and buttocks to assist the human body in standing.

[0005] The technical solution adopted by this utility model to solve the above-mentioned technical problems is to provide a multifunctional electric sofa chair frame, including a base, a support assembly, a drive assembly, and a support plate assembly. The support assembly includes a backrest lifting frame, a hip frame, a leg extension and rotation frame, and a leg swing linkage frame. The drive assembly includes a hip push rod motor, a back push rod motor, and a leg push rod motor. The support plate assembly includes a back panel, a waist panel, a hip panel, and a leg panel. The back panel, waist panel, and hip panel are sequentially and movably connected. The back panel is slidably connected to the backrest lifting frame. The hip panel is fixed to the hip frame, and the leg panel is fixed to the leg swing linkage frame. One end of the hip frame is movably connected to the base, and the other end is movably connected to one end of the backrest lifting frame. The leg swing linkage frame is movably connected to the base, and the leg extension and rotation frame is connected to the leg swing linkage frame. The hip push rod motor is connected to the hip frame, the back push rod motor is connected to the backrest lifting frame, and the leg push rod motor is connected to the leg extension and rotation frame.

[0006] Furthermore, the hip frame is rotatably connected to the column support plate at the front end of the base via a rotating shaft bolt. The hip push rod motor is mounted on the base, and the push rod of the hip push rod motor is movably connected to the hip frame. When the push rod of the hip push rod motor extends, the hip frame and hip plate rotate and rise relative to the base, and the hip plate is tilted. When the push rod of the hip push rod motor retracts, the hip frame and hip plate rotate and fall relative to the base, and the hip plate is approximately horizontal.

[0007] Furthermore, the end of the back lift frame is rotatably connected to the hip frame via a pivot bolt. The back push rod motor is mounted on the hip frame, and the push rod of the back push rod motor is movably connected to the back lift frame. When the push rod of the back push rod motor extends, the back lift frame rotates and rises relative to the hip frame; when the push rod of the back push rod motor retracts, the back lift frame rotates and descends relative to the hip frame.

[0008] Furthermore, the back of the back panel is provided with a back-lifting groove, and the side of the back-lifting frame is provided with rollers. The back-lifting frame is slidably connected to the back panel through the rollers and the back-lifting groove. When the back-lifting frame rotates and rises relative to the hip frame, the back panel and waist panel rotate and rise relative to the hip panel. When the back-lifting frame rotates and falls relative to the hip frame, the back panel and waist panel rotate and fall relative to the hip panel.

[0009] Furthermore, the end of the leg swing linkage is rotatably connected to the column support plate at the front end of the base via a rotating shaft bolt. The middle part of the leg swing linkage is movably connected to the leg telescopic rotating frame via a rotating frame screw. The leg push rod motor is mounted on the base, and the push rod of the leg push rod motor is movably connected to the leg telescopic rotating frame. When the push rod of the leg push rod motor extends, the leg telescopic rotating frame rotates and extends relative to the base, the leg swing linkage extends, and the lower leg plate extends and rotates to an approximately horizontal position along with the leg swing linkage. When the push rod of the leg push rod motor retracts, the leg telescopic rotating frame rotates and retracts relative to the base, the leg swing linkage retracts, and the lower leg plate retracts and rotates to an approximately vertical position along with the leg swing linkage.

[0010] Furthermore, the base is provided with a waist limiting support and a back limiting support. The waist limiting support restricts the minimum height of the waist board's descent and supports the waist board; the back limiting support restricts the minimum height of the back board's descent and supports the back board.

[0011] Compared with the prior art, the present invention has the following advantages: The multifunctional electric sofa chair frame provided by the present invention is equipped with independently controlled hip push rod motors, back push rod motors and leg push rod motors, which respectively control the rotation and movement of the back panel, hip panel and leg panel, so that the back can be flattened or tilted and raised, the hips can be flattened or tilted and raised, and the legs can be extended and flattened or retracted and placed vertically, forming sitting, lying and assisted standing postures. The posture can also be personalized according to needs, making it more versatile. Attached Figure Description

[0012] Figure 1 This is an exploded view of a multifunctional electric sofa chair frame according to an embodiment of the present utility model; Figure 2 This is a schematic diagram of the sitting posture of the multifunctional electric sofa chair frame according to an embodiment of the present utility model; Figure 3 This is a schematic diagram of the reclining posture of the multifunctional electric sofa chair frame according to an embodiment of the present utility model; Figure 4 This is a schematic diagram illustrating the auxiliary standing posture of the multifunctional electric sofa chair frame according to an embodiment of the present utility model.

[0013] In the picture: 1. Base; 2. Hip frame; 3. Backrest lifting frame; 4. Leg telescopic rotating frame; 5. Leg swing linkage frame; 6. Rotating shaft bolt; 7. Rotating frame screw; 9. Lower leg plate; 10. Backrest sliding groove; 11. Hip push rod motor; 12. Back push rod motor; 13. Leg push rod motor; 81. Back plate; 82. Waist plate; 83. Hip plate; 101. Column support plate; 102. Waist limiting support; 103. Back limiting support. Detailed Implementation

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0015] Figure 1 This is an exploded view of a multifunctional electric sofa chair frame according to an embodiment of the present utility model; Figure 2 This is a schematic diagram of the sitting posture of the multifunctional electric sofa chair frame according to an embodiment of the present utility model; Figure 3 This is a schematic diagram of the reclining posture of the multifunctional electric sofa chair frame according to an embodiment of the present utility model; Figure 4 This is a schematic diagram illustrating the auxiliary standing posture of the multifunctional electric sofa chair frame according to an embodiment of the present utility model.

[0016] Please see Figures 1-4The multifunctional electric sofa chair frame of this utility model embodiment includes a base 1, a support assembly, a drive assembly, and a support plate assembly. The support assembly includes a backrest lifting frame 3, a hip frame 2, a leg telescopic rotating frame 4, and a leg swing linkage frame 5. The drive assembly includes a hip push rod motor 11, a back push rod motor 12, and a leg push rod motor 13. The support plate assembly includes a back panel 81, a waist panel 82, a hip panel 83, and a calf panel 9. The back panel 81, waist panel 82, and hip panel 83 are sequentially and movably connected. The back panel 81 is slidably connected to the backrest lifting frame 3. The hip panel 83 is fixed to the hip frame 2, and the calf panel 9 is fixed to the leg swing linkage frame 5. One end of the hip frame 2 is movably connected to the base 1, and the other end is movably connected to one end of the backrest lifting frame 3. The leg swing linkage frame 5 is movably connected to the base 1, and the leg telescopic rotating frame 4 is connected to the leg swing linkage frame 5. The hip push rod motor 11 is connected to the hip frame 2, the back push rod motor 12 is connected to the backrest lifting frame 3, and the leg push rod motor 13 is connected to the leg telescopic rotating frame 4.

[0017] Specifically, the hip frame 2 and the column support plate 101 at the front end of the base 1 are rotatably connected by a pivot bolt 6. The hip push rod motor 11 is mounted on the base 1, and the push rod of the hip push rod motor 11 is movably connected to the hip frame 2. When the push rod of the hip push rod motor 11 extends, the hip frame 2 and the hip plate 83 rotate and rise relative to the base 1, and the hip plate 83 is tilted. When the push rod of the hip push rod motor 11 retracts, the hip frame 2 and the hip plate 83 rotate and fall relative to the base 1, and the hip plate 83 is approximately horizontal.

[0018] Specifically, the end of the back lifting frame 3 is rotatably connected to the hip frame 2 via a pivot bolt 6. The back push rod motor 12 is mounted on the hip frame 2. The push rod of the back push rod motor 12 is movably connected to the back lifting frame 3. When the push rod of the back push rod motor 12 extends, the back lifting frame 3 rotates and rises relative to the hip frame 2, and is tilted relative to the hip frame 2. When the push rod of the back push rod motor 12 retracts, the back lifting frame 3 rotates and descends relative to the hip frame 2, and is located on the same plane as the hip frame 2.

[0019] Specifically, the back of the back plate 81 is provided with a lifting groove 10, and the side of the lifting frame 3 is provided with rollers. The lifting frame 3 is slidably connected to the back plate 81 through the rollers and the lifting groove 10. When the lifting frame 3 rotates and rises relative to the hip frame 2, the back plate 81 and the waist plate 82 rotate and rise relative to the hip plate 83. When the lifting frame 3 rotates and falls relative to the hip frame 2, the back plate 81 and the waist plate 82 rotate and fall relative to the hip plate 83 until they are on the same plane as the hip plate 83.

[0020] Specifically, the end of the leg swing linkage 5 is rotatably connected to the column support plate 101 at the front end of the base 1 via a pivot bolt 6. The middle part of the leg swing linkage 5 is movably connected to the leg telescopic rotating frame 4 via a rotating frame screw 7. The leg push rod motor 13 is mounted on the base 1, and the push rod of the leg push rod motor 13 is movably connected to the leg telescopic rotating frame 4. When the push rod of the leg push rod motor 13 extends, the leg telescopic rotating frame 4 rotates and extends relative to the base 1, the leg swing linkage 5 extends, and the lower leg plate 9 extends with the leg swing linkage 5 and rotates to an approximately horizontal position. When the push rod of the leg push rod motor 13 retracts, the leg telescopic rotating frame 4 rotates and retracts relative to the base 1, the leg swing linkage 5 retracts, and the lower leg plate 9 retracts with the leg swing linkage 5 and rotates to an approximately vertical position.

[0021] Preferably, the base 1 is provided with a waist limiting support 102 and a back limiting support 103. The waist limiting support 102 limits the minimum height of the waist plate 82 and supports the waist plate 82; the back limiting support 103 limits the minimum height of the back plate 81 and supports the back plate 81.

[0022] Please continue reading Figure 2 In this embodiment of the multifunctional electric sofa chair frame, when in a sitting position, the push rod of the hip push rod motor 11 is retracted to its shortest position, and the hip frame 2 and hip plate 83 are in a slightly inwardly inclined, approximately horizontal position. The push rod of the back push rod motor 12 is extended to its longest position, and the back plate 81 is in its highest position, approximately at the angle of a normal sofa backrest. The lumbar support 82 is tilted along with the back plate 81, providing transitional support for the lumbar region. The push rod of the leg push rod motor 13 is retracted to its shortest position, causing the lower leg plate 9 to retract to an approximately vertical position along with the leg swing linkage frame 5.

[0023] Please continue reading Figure 3 In this embodiment of the multifunctional electric sofa chair frame, when in a reclining position, the push rod of the hip push rod motor 11 is retracted to its shortest position, and the hip frame 2 and the hip seat 83 are in a slightly inwardly inclined, approximately horizontal position. The push rod of the back push rod motor 12 is retracted to its shortest position, and the back seat 81 and the lumbar support 82 are at an approximately horizontal reclining angle. The push rod of the leg push rod motor 13 is extended to its longest position, causing the calf support 9 to be pushed forward to a position close to the horizontal of the hip seat 83.

[0024] Please continue reading Figure 4 In the multifunctional electric sofa chair frame of this utility model embodiment, when in the assisted standing posture, the push rod of the hip push rod motor 11 extends to its longest position, and the position of the hip plate 83 rises from slightly inward to forward tilt. The back push rod motor 12 can adjust the back plate 81 to tilt forward or backward according to its own needs. The push rod of the leg push rod motor 13 retracts to its shortest position, so that the lower leg plate 9 retracts to an approximately vertical position with the leg swing linkage frame 5.

[0025] The hip push rod motor 11, back push rod motor 12, and leg push rod motor 13 can all move independently and can be adjusted to sitting, lying, or standing positions. They can also be customized according to needs, and the position of the posture can be memorized and then adjusted to the set posture to meet personalized needs and have a wider range of applications.

[0026] In summary, the multifunctional electric sofa chair frame of this utility model embodiment is equipped with independently controlled hip push rod motor 11, back push rod motor 12, and leg push rod motor 13, which respectively control the rotation and movement of the back panel 81, hip panel 83, and leg panel 9, so that the back can be flattened or tilted and raised, the hips can be flattened or tilted and raised, and the legs can be extended and flattened or retracted vertically, forming sitting, lying, and assisted standing postures. The posture can also be personalized according to needs, making it more versatile.

[0027] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications and improvements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the claims.

Claims

1. A multifunctional electric sofa chair frame, characterized in that, The device includes a base, a support assembly, a drive assembly, and a support plate assembly. The support assembly includes a backrest lifting frame, a hip frame, a leg telescopic rotating frame, and a leg swing linkage frame. The drive assembly includes a hip push rod motor, a back push rod motor, and a leg push rod motor. The support plate assembly includes a back plate, a waist plate, a hip plate, and a calf plate. The back plate, waist plate, and hip plate are sequentially and movably connected. The back plate is slidably connected to the backrest lifting frame. The hip plate is fixed to the hip frame, and the calf plate is fixed to the leg swing linkage frame. One end of the hip frame is movably connected to the base, and the other end is movably connected to one end of the backrest lifting frame. The leg swing linkage frame is movably connected to the base, and the leg telescopic rotating frame is connected to the leg swing linkage frame. The hip push rod motor is connected to the hip frame, the back push rod motor is connected to the backrest lifting frame, and the leg push rod motor is connected to the leg telescopic rotating frame.

2. The multifunctional electric sofa chair frame as described in claim 1, characterized in that, The hip frame and the column support plate at the front end of the base are rotatably connected by a pivot bolt. The hip push rod motor is mounted on the base, and the push rod of the hip push rod motor is movably connected to the hip frame. When the push rod of the hip push rod motor extends, the hip frame and the hip plate rotate and rise relative to the base, and the hip plate is tilted. When the push rod of the hip push rod motor retracts, the hip frame and the hip plate rotate and fall relative to the base, and the hip plate is approximately horizontal.

3. The multifunctional electric sofa chair frame as described in claim 1, characterized in that, The end of the back lift frame is rotatably connected to the hip frame via a pivot bolt. The back push rod motor is mounted on the hip frame, and the push rod of the back push rod motor is movably connected to the back lift frame. When the push rod of the back push rod motor extends, the back lift frame rotates and rises relative to the hip frame; when the push rod of the back push rod motor retracts, the back lift frame rotates and descends relative to the hip frame.

4. The multifunctional electric sofa chair frame as described in claim 3, characterized in that, The back of the back panel is provided with a lifting groove, and the side of the lifting frame is provided with rollers. The lifting frame is slidably connected to the back panel through the rollers and the lifting groove. When the lifting frame rotates and rises relative to the hip frame, the back panel and waist panel rotate and rise relative to the hip panel. When the lifting frame rotates and falls relative to the hip frame, the back panel and waist panel rotate and fall relative to the hip panel.

5. The multifunctional electric sofa chair frame as described in claim 1, characterized in that, The end of the leg swing linkage is rotatably connected to the column support plate at the front end of the base via a rotating shaft bolt. The middle part of the leg swing linkage is movably connected to the leg telescopic rotating frame via a rotating frame screw. The leg push rod motor is mounted on the base, and the push rod of the leg push rod motor is movably connected to the leg telescopic rotating frame. When the push rod of the leg push rod motor extends, the leg telescopic rotating frame rotates and extends relative to the base, the leg swing linkage extends, and the lower leg plate extends and rotates to an approximately horizontal position along with the leg swing linkage. When the push rod of the leg push rod motor retracts, the leg telescopic rotating frame rotates and retracts relative to the base, the leg swing linkage retracts, and the lower leg plate retracts and rotates to an approximately vertical position along with the leg swing linkage.

6. The multifunctional electric sofa chair frame as described in claim 1, characterized in that, The base is provided with a waist limiting support and a back limiting support. The waist limiting support restricts the minimum height of the waist board from descending and supports the waist board; the back limiting support restricts the minimum height of the back board from descending and supports the back board.

Images