CN220607891U - Zero-leaning wall zero-gravity sofa - Google Patents

Abstract

The utility model relates to a zero-wall-leaning zero-gravity sofa, which comprises a sofa base, wherein the sofa base comprises a bottom frame, side frames connected to two sides of the bottom frame and a headrest frame arranged between the two side frames, and a connecting side plate is also connected between the two side frames; a headrest plate is arranged above the headrest frame and is driven by a swinging mechanism arranged on the headrest frame to swing up and down; the framework is arranged on the sofa base and comprises a backrest framework part, a thigh framework part and a shank framework part, the backrest framework part, the thigh framework part and the shank framework part are mutually hinged, the framework is driven by a driving unit to swing, the backrest framework part is connected with a headrest frame and drives the headrest frame to translate and swing. The utility model has the advantages that: by combining independent swinging of the headrest plates, translation of the headrest frames, swinging of the headrest frames and swinging of the framework, the functions of zero gravity and zero wall leaning of the sofa can be realized at the same time, so that a user can feel more comfortable when lying on the sofa.

Description

Zero-leaning wall zero-gravity sofa

Technical Field

The utility model relates to a sofa, in particular to a zero-wall-leaning zero-gravity sofa.

Background

With the development of society, people are increasingly pursuing quality of life. For the choice of furniture, consumers have not been limited to a single function, and more so, it is the modern thinking that it is desirable to maximize the utilization of the furniture. Such as seats or sofas, consumers are more pursuing comfort, such as the ability to provide a variety of modes of use, such as reading, lying down, etc., and with the continued depth of research and development, functional sofas, such as zero-wall sofas, zero-gravity sofas, etc., are also emerging on the market.

In patent CN217117973U, a zero wall sofa is mentioned, which comprises a sofa iron frame, two side armrest plates arranged on two sides of the sofa iron frame, and a back plate connected with one ends of the two side armrest plates; the sofa iron frame comprises a base, an extension mechanism movably arranged on the base and a plurality of handrail mounting frames fixedly arranged on two sides of the base; the side handrail plate is connected with the handrail mounting frame.

Patent CN214631170U mentions a zero gravity sofa skeleton, including the chassis, rotatably install seat frame, shank extending mechanism on the chassis, set up in seat frame rear portion back frame and drive arrangement, shank extending mechanism articulates with seat frame's front portion, drive arrangement sets up in the chassis, and drive arrangement includes electric putter, link mechanism and motor, and link mechanism connects seat frame and shank extending mechanism, and electric putter's the link mechanism of connection that stretches out, when motor control electric putter stretches out, link mechanism takes seat frame, shank extending mechanism and back frame rotation, and when rotating to the highest position, shank extending mechanism's position is higher than back frame's position.

The patent CN214127776U mentions a mechanical stretching device of a sofa with a zero wall function, which comprises a base, a linkage assembly, a leg assembly and a backrest assembly, wherein the stretching device is provided with a sitting posture in which the leg assembly is completely folded, a TV posture in which the leg assembly is completely unfolded, and a lying posture in which the leg assembly and the backrest assembly are completely unfolded, the base is hinged with the linkage assembly, one end of the linkage assembly is hinged with the leg assembly, the other end of the linkage assembly is hinged with the backrest assembly, and the backrest assembly moves more than 11cm towards the direction of the leg assembly under the traction of the linkage assembly in the movement process of the sitting posture to the TV posture, so that the sofa is ensured to be completely arranged with the zero wall.

In the above patent, no matter the sofa is a wall-leaning sofa or a gravity-leaning sofa, only one function can be realized, namely the wall-leaning sofa is only provided with the wall-leaning function, but cannot have the gravity-leaning function, the gravity-leaning sofa is only provided with the gravity-leaning function, but cannot have the wall-leaning function, and the functions are relatively single.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a zero-leaning wall zero-gravity sofa, which not only can realize the function of leaning the wall of the sofa, but also can realize the function of zero gravity of the sofa.

In order to solve the technical problems, the technical scheme of the utility model is as follows: a wall-leaning zero gravity sofa is characterized in that: the sofa comprises a sofa base, wherein the sofa base comprises a bottom frame, side frames connected to two sides of the bottom frame and a headrest frame arranged between the two side frames, and a connecting side plate is also connected between the two side frames;

a headrest plate is arranged above the headrest frame and is driven by a swinging mechanism arranged on the headrest frame to swing up and down;

the framework is arranged on the sofa base and comprises a backrest framework part, a thigh framework part and a shank framework part, the backrest framework part, the thigh framework part and the shank framework part are mutually hinged, the backrest framework part, the thigh framework part and the shank framework part are driven by a driving unit to swing, and the backrest framework part is connected with the headrest frame and drives the headrest frame to perform translation and swing actions;

when the zero leaning wall and the zero gravity state are in, the end part of the headrest plate is positioned right above the connecting side plate, the headrest frame, the backrest framework part, the thigh framework part and the shank framework part form a V-shaped lying surface, and the height of one side of the shank framework part far away from the thigh framework part is higher than the height of the headrest plate.

Further, the swing mechanism comprises a pair of headrest swing arms which are installed in the headrest frame in parallel and a mounting bracket for mounting the headrest swing arms, a through hole for allowing the headrest swing arms to pass through is further formed in the headrest frame, one side of each headrest swing arm is connected with the mounting bracket, the other side of each headrest swing arm passes through the through hole in the headrest frame and is fixedly connected with a headrest plate, and the headrest swing arms are driven to swing by a linear motor installed on the mounting bracket so as to drive the headrest plates to swing up and down.

Further, the headrest swing arm is jointly formed by two swing rods which are distributed in parallel, the swing rods are arc-shaped rods, the top side of each swing rod is connected with the headrest plate, a fixed block which is used for being connected with the two swing rods of the same headrest swing arm is further installed on the bottom end face of the headrest plate, the installation support is formed by combining a movable support and a fixed support, wherein the fixed support is fixedly connected with the headrest support, the movable support is hinged with the fixed support, the two swing rods are respectively a first swing rod and a second swing rod, the bottom end of the first swing rod is hinged with the fixed support through a first transition connecting rod, the bottom end of the second swing rod is hinged with the movable support through a second transition connecting rod, the height of a connecting point of the second transition connecting rod and the movable support is higher than that of a connecting point of the first transition connecting rod and the fixed support, and the movable support is driven by a linear motor installed on the fixed support to swing, and further the first swing rod and the second swing rod are driven to swing, and the swing of the headrest swing arm is achieved.

Further, the backrest framework part, the thigh framework part, the shank framework part and the driving unit are matched as follows:

the backrest framework comprises a first arm rod, a second arm rod and a first connecting seat, the first connecting seat is fixed on the headrest frame, the first arm rod and the second arm rod are respectively connected to two sides of the first connecting seat, and one sides of the first arm rod and one side of the second arm rod are hinged with the first connecting seat;

the thigh bone part comprises a third arm rod, a fourth arm rod and a second connecting seat, the other side of the first arm rod is hinged with the second connecting seat, the other side of the second arm rod is fixedly connected with the third arm rod, the second arm rod and the third arm rod form a V-shaped structure, one side of the third arm rod is hinged with the second connecting seat, and the other side of the third arm rod is hinged with the fourth arm rod;

the shank skeleton part comprises a fifth arm rod, a sixth arm rod, a seventh arm rod, an eighth arm rod, a ninth arm rod and a tenth arm rod, wherein the fifth arm rod and the sixth arm rod are distributed in parallel, one side of the fifth arm rod and one side of the sixth arm rod are respectively hinged with the third arm rod, the other side of the fifth arm rod is hinged with the seventh arm rod, the other side of the sixth arm rod is hinged with the eighth arm rod, the other side of the seventh arm rod and the other side of the eighth arm rod are both hinged on the ninth arm rod, the sixth arm rod is also hinged with the tenth arm rod, and the other side of the tenth arm rod is hinged with the third arm rod;

the driving unit comprises two fixed swing arms and a linear driver, wherein the two fixed swing arms are arranged on the underframe, the two fixed swing arms are respectively a first fixed swing arm close to the headrest frame and a second fixed swing arm far away from the headrest frame, the bottom sides of the first fixed swing arm and the second fixed swing arm are hinged with the underframe, the upper side of the first fixed swing arm is hinged with one side of a second connecting seat, the upper side of the second fixed swing arm is hinged with the other side of the second connecting seat through the matching of a third transition connecting rod and a fourth transition connecting rod which are hinged in sequence, the third transition connecting rod is further hinged with a third arm rod, the middle position of the second fixed swing arm is further hinged with a fifth transition connecting rod, a first tension spring is further arranged between the fifth transition connecting rod and the second connecting seat, one side of the linear driver is arranged on the underframe, the other side of the linear driver is hinged with the third arm rod through the connecting rod and drives the third arm rod to swing, and then the whole framework is driven to act.

Further, a pedal is further arranged on one side, far away from the thigh skeleton portion, of the shank skeleton portion, one side of the pedal is hinged with the shank skeleton portion, the pedal is driven to swing by a linear driver arranged on the shank skeleton portion, and a second tension spring is further connected between the pedal and the shank skeleton portion.

The utility model has the advantages that: according to the sofa, the functions of zero gravity and zero wall leaning of the sofa can be achieved simultaneously through the independent swinging of the headrest plates, the translation of the headrest frames, the swinging and the swinging of the framework, so that a user can feel more comfortable when lying on the sofa, meanwhile, the phenomenon that the head of the user bumps against the wall surface when sitting on the sofa and the state of the user is switched is avoided, and a certain protection effect is achieved for the user.

The swing of the headrest plate is realized by adopting the cooperation of the headrest swing arm, the mounting bracket and the linear motor, so that the independent swing of the headrest plate relative to the headrest frame is realized, and the head of a user can be kept, supported and protected when the state is switched, and the phenomenon that the head of the user is randomly rotated to strike the wall surface in the switching process is avoided.

The design of the headrest swing arm adopts the cooperation of two swing rods with different bottom heights and two transition connecting rods connected at different positions to realize the swing of the headrest plate, so that the swing of the headrest plate is more stable.

The swing of skeleton, through interconnect between back skeleton portion, thigh skeleton portion, the shank skeleton portion, fixed swing arm, the linear drive in the cooperation drive unit again realize to on making the skeleton form the basis of V-arrangement lying face, can also drive the headrest frame and translate and swing, provide the basis for realizing zero gravity, zero function of leaning on the wall simultaneously.

To the footboard of connecting on the shank portion, realize the swing of footboard through the cooperation of linear drive ware, second extension spring, make things convenient for follow-up installation footboard realization pedal's upset function on the footboard to improve user's use comfort level.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

Fig. 1 is a schematic view of a zero-wall zero-gravity sofa of the present utility model.

Fig. 2-4 are schematic views of the unfolding process of the zero-wall-leaning zero-gravity sofa of the utility model.

Description of the embodiments

The following examples will provide those skilled in the art with a more complete understanding of the present utility model and are not intended to limit the utility model to the embodiments described.

A zero-wall-leaning zero-gravity sofa as shown in figures 1-4 comprises

The sofa base comprises a bottom frame 1, side frames 11 connected to two sides of the bottom frame 1 and a headrest frame 13 arranged between the two side frames 11, wherein the bottom frame 1 is of a square structure formed by connecting a plurality of metal plates, the connected metal plates are fixedly connected through matching of bolts and nuts, a connecting side plate 12 is further connected between the two side frames 11, in an initial state, the end face of the connecting side plate 12 is flush with the end face of the headrest frame 13, the side frames 11, the headrest frame 13 and the connecting side plate 12 are made of wood plates, the side frames 11 and the connecting side plate 12 are of a single-piece structure, the headrest frame 13 is of a hollow frame structure formed by connecting a plurality of wood plates, the top surface of the headrest frame 13 is of a horizontal plane, one side of the headrest frame 13 facing a user is of an inclined plane, the headrest frame 13 is convenient for the user to lean against, and one side of the headrest frame 13 facing away from the user is of a vertical plane.

A headrest plate 14 is provided above the headrest frame 13, and the headrest plate 14 is driven to swing up and down by a swing mechanism mounted on the headrest frame 13.

The swing mechanism comprises a pair of headrest swing arms which are installed in the headrest frame 13 in parallel and a mounting bracket for mounting the headrest swing arms, the headrest frame 13 is also provided with a through hole for allowing the headrest swing arms to pass through, one side of each headrest swing arm is connected with the mounting bracket, the other side of each headrest swing arm passes through the through hole on the headrest frame 13 and then is fixedly connected with the headrest plate, and the headrest swing arms are driven by a linear motor installed on the mounting bracket to swing so as to drive the headrest plate 14 to swing up and down. The swing of the headrest plate 14 is realized by adopting the cooperation of the headrest swing arm, the mounting bracket and the linear motor, so that the independent swing of the headrest plate relative to the headrest frame is realized, and the head of a user can be kept, supported and protected during the state switching, and the phenomenon that the head of the user is randomly rotated to strike the wall surface during the switching process is avoided.

The headrest swing arm is jointly composed of two swing rods which are distributed in parallel, the swing rods are arc-shaped rods, the top sides of the swing rods are connected with the headrest plate 14, fixed blocks 16 which are used for being connected with the two swing rods of the same headrest swing arm are further installed on the bottom end face of the headrest plate 14, the two fixed blocks 16 are directly fixed on two sides of the bottom face of the headrest plate 14, the installation support is formed by combining a movable support and a fixed support 15, two sides of the fixed support 15 are respectively fixedly connected with the inner wall of the headrest frame 13 through the cooperation of bolts, two sides of the movable support are hinged with the fixed support 15 through the cooperation of hinging rods 19, the two swing rods are respectively a first swing rod 18 and a second swing rod 17, wherein the bottom end of the first swing rod 17 is hinged with the fixed support 15 through a first transition connecting rod 20, the bottom end of the second swing rod 18 is hinged with the movable support through the second transition connecting rod, the bottom end of the second swing rod is higher than the bottom end of the first swing rod 18, the height of a connecting point of the second transition connecting rod is higher than the connecting point of the movable support 15, the movable support is fixedly connected with the inner wall of the fixed support, the movable support is hinged with the fixed support 15, the movable support is arranged on the movable support is driven by the first swing rod 18, the swing rod is driven by the movable support to swing rod 16 to swing the headrest plate, and finally swing the headrest plate is driven by the swing rod 13, and the headrest plate is driven by the swing rod is swing to swing the swing frame. The design of the headrest swing arm adopts the cooperation of a first swing rod 18 and a second swing rod 16 with different bottom heights, a first transition connecting rod 20 and a second transition connecting rod which are connected at different positions to realize the swing of the headrest plate 14, and one side of the headrest plate 14 is driven to swing simultaneously through the cooperation of the two swing rods, so that the swing of the headrest plate 14 is more stable.

The framework installed on the sofa base comprises a backrest framework part, a thigh framework part and a shank framework part, wherein the two frameworks are arranged on two sides of the sofa base respectively, namely the backrest framework part, the thigh framework part and the shank framework part are all two, the backrest framework part, the thigh framework part and the shank framework part are hinged with each other, the backrest framework part, the thigh framework part and the shank framework part are driven by a driving unit to swing, and the backrest framework part is connected with a headrest frame 13 and drives the headrest frame 13 to perform translation and swing actions.

The backrest framework part, the thigh framework part and the shank framework part are matched with the driving unit:

the backrest framework comprises a first arm rod 21, a second arm rod 22 and a first connecting seat 23, wherein the first connecting seat 23 is fixed on one side of the headrest frame 13 through the cooperation of bolts, the first connecting seat 23 is in an inverted T shape, the first arm rod 21 and the second arm rod 22 are respectively connected on two sides of the first connecting seat 23, one sides of the first arm rod 21 and one side of the second arm rod 2 are hinged with the first connecting seat 23, the connecting point of the first arm rod 21 and the first connecting seat 23, the connecting point of the second arm rod 2 and the first connecting seat 23 and the connecting point of the headrest frame 13 and the first connecting seat 23 are respectively located at three end point positions of the first connecting seat 23.

The thigh skeleton portion includes a third arm bar 31, a fourth arm bar 32 and a second connecting seat 33, the other side of the first arm bar 21 is hinged with the second connecting seat 33, the other side of the second arm bar 22 is fixedly connected with the third arm bar 31, the second arm bar 22 and the third arm bar 31 form a V-shaped structure, in this embodiment, the second arm bar 22 and the third arm bar 31 are integrally formed, one side of the third arm bar 31 is hinged with the second connecting seat 33, the other side of the third arm bar 31 is hinged with the fourth arm bar 32, the third arm bars 31 in the two thigh skeleton portions are connected through a first connecting shaft so as to realize the synchronous action of the two third arm bars 31, and the second connecting seats 33 in the two thigh skeleton portions are connected through a second connecting shaft so as to realize the synchronous action of the two second connecting seats 33

The shank skeleton portion includes fifth arm 41, sixth arm 42, seventh arm 43, eighth arm 44, ninth arm 45 and tenth arm 46, fifth arm 41 and sixth arm 42 are arranged side by side, and one side of fifth arm 41, sixth arm 42 respectively articulates with third arm 31, and the hinge point of fifth arm 41 and third arm 31, the hinge point of sixth arm 42 and third arm 31 are not same hinge point, the hinge point of fifth arm 41 and third arm 31 is located the inboard of third arm 31, the hinge point of sixth arm 42 and third arm 31 is located the outside of third arm 31, the opposite side of fifth arm 41 and seventh arm 43 are articulated, the opposite side of sixth arm 42 and eighth arm 44 are articulated, the opposite side of seventh arm 43 and the opposite side of eighth arm 44 are all articulated on ninth arm 45, and the hinge point of seventh arm 43 and ninth arm 45 and the other side of tenth arm 46 are located the outside of ninth arm 31, thereby realize the joint of the eighth arm 46 through the joint of the eighth arm 46.

A pedal 47 is further arranged on one side of the shank far away from the thigh skeleton part, one side of the pedal 47 is hinged with the ninth arm rod 45 of the shank skeleton part, the pedal 47 is driven to swing by a linear driver arranged on the shank skeleton part, the linear driver is an electric push rod, a second tension spring 48 is further connected between the pedal 47 and the ninth arm rod 45 of the shank skeleton part, and two sides of the second tension spring 48 are respectively connected with the pedal 47 and the ninth arm rod 45. For the pedal 47 connected to the lower leg framework, the swinging of the pedal 47 is realized through the cooperation of the linear driver and the second tension spring 48, so that the pedal 47 is conveniently and subsequently arranged to realize the pedal overturning function, and the use comfort of a user is improved.

The driving unit comprises two fixed swing arms and a linear driver, wherein the two fixed swing arms are respectively a first fixed swing arm 51 close to the headrest frame 13 and a second fixed swing arm 52 far away from the headrest frame 13, the bottom sides of the first fixed swing arm 51 and the second fixed swing arm 52 are hinged with the chassis 1, the two sides of the chassis 1 are hinged with the first fixed swing arm 51 and the second fixed swing arm 52, and one framework is driven through the cooperation of the first fixed swing arm 51 and the second fixed swing arm 52 on the same side of the chassis 1.

The upper side of the first fixed swing arm 51 is hinged with one side of the second connecting seat 33, the upper side of the second fixed swing arm 52 is hinged with the other side of the second connecting seat 54 through the matching of a third transition connecting rod 53 and a fourth transition connecting rod 54 which are hinged in sequence, the two third transition connecting rods 53 are connected through a third connecting shaft, so that synchronous action of the two third transition connecting rods 53 is realized, the third transition connecting rod 53 is hinged with the third arm rod 31, the middle position of the second fixed swing arm 52 is hinged with a fifth transition connecting rod 55, the other side of the fifth transition connecting rod 55 is hinged with the fourth arm rod 32 through a sixth transition connecting rod 56 which is hinged, a first tension spring is further arranged between the fifth transition connecting rod 55 and the second connecting seat 33, two sides of the first tension spring are respectively connected with the fifth transition connecting rod 55 and the second connecting seat 33, one side of the linear driver is arranged on the chassis, one side of the linear driver is hinged with the third arm rod 31 through a fourth connecting shaft, and the linear driver is driven by the linear driver 31 to perform the linear action. The swing of skeleton, through interconnect between back skeleton portion, thigh skeleton portion, the shank skeleton portion, fixed swing arm, the linear drive in the cooperation drive unit again realize to on making the skeleton form the basis of V-arrangement lying face, can also drive the headrest frame and translate and swing, provide the basis for realizing zero gravity, zero function of leaning on the wall simultaneously.

Working principle: in the initial state, when the sofa is in a sitting posture state as shown in fig. 1, and the sofa is changed from the sitting posture to the lying posture, the linear motor is used for driving the headrest plate 14 to swing, so that the headrest plate 14 swings from the horizontal state to the inclined state, as shown in fig. 2, after the headrest plate 14 swings in place, the linear driver is used for driving the third arm rod 31 to act, and as the third arm rod 31 acts, the backrest framework part, the thigh framework part and the shank framework part are translated and stretched through the cooperation of the arm rods, and meanwhile, the backrest framework part drives the headrest frame 13 to synchronously translate, so that the state as shown in fig. 3 is formed, at the moment, the first arm rod 21 and the second arm rod 22 do not completely act, so that only the headrest frame 13 is driven to carry out translation, along with the linear driver continuing to drive the third arm rod 31 to act, through the cooperation of each transition connecting rod, each arm rod can swing gradually to the right place, simultaneously, through the pulling action of the different positions of the first arm rod 21 and the second arm rod 22, the headrest frame 13 swings, finally, the state as shown in fig. 4 is formed, the sitting posture is changed into the lying posture, in the lying posture state, the end part of the headrest plate 14 is positioned right above the connecting side plate 12, the headrest frame 13, the backrest framework part, the thigh framework part and the shank framework part form a V-shaped lying surface, and the height of one side of the shank framework part far away from the thigh framework part is higher than the height of the headrest plate, and meanwhile, the functions of zero leaning wall and zero gravity of the sofa are realized.

It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. A zero lean on wall zero gravity sofa, its characterized in that: the sofa comprises a sofa base, wherein the sofa base comprises a bottom frame, side frames connected to two sides of the bottom frame and a headrest frame arranged between the two side frames, and a connecting side plate is also connected between the two side frames;

a headrest plate is arranged above the headrest frame and is driven by a swinging mechanism arranged on the headrest frame to swing up and down;

the framework is arranged on the sofa base and comprises a backrest framework part, a thigh framework part and a shank framework part, the backrest framework part, the thigh framework part and the shank framework part are mutually hinged, the backrest framework part, the thigh framework part and the shank framework part are driven by a driving unit to swing, and the backrest framework part is connected with the headrest frame and drives the headrest frame to perform translation and swing actions;

when the zero leaning wall and the zero gravity state are in, the end part of the headrest plate is positioned right above the connecting side plate, the headrest frame, the backrest framework part, the thigh framework part and the shank framework part form a V-shaped lying surface, and the height of one side of the shank framework part far away from the thigh framework part is higher than the height of the headrest plate.

2. The zero-wall zero-gravity sofa of claim 1, wherein: the swing mechanism comprises a pair of headrest swing arms which are installed in the headrest frame in parallel and a mounting bracket for mounting the headrest swing arms, a through hole for allowing the headrest swing arms to pass through is also formed in the headrest frame, one side of each headrest swing arm is connected with the mounting bracket, the other side of each headrest swing arm passes through the through hole in the headrest frame and is fixedly connected with a headrest plate, and the headrest swing arms are driven by a linear motor installed on the mounting bracket to swing so as to drive the headrest plates to swing up and down.

3. The zero-wall zero-gravity sofa of claim 2, wherein: the headrest swing arm comprises two swing rods which are distributed in parallel, the swing rods are arc-shaped rods, the top side of each swing rod is connected with a headrest plate, a fixed block which is used for being connected with two swing rods of the same headrest swing arm is further installed on the bottom end face of the headrest plate, the installation support is formed by combining a movable support and a fixed support, the fixed support is fixedly connected with a headrest frame, the movable support is hinged with the fixed support, the two swing rods are respectively a first swing rod and a second swing rod, the bottom end of the first swing rod is hinged with the fixed support through a first transition connecting rod, the bottom end of the second swing rod is hinged with the movable support through a second transition connecting rod, the bottom end of the second swing rod is higher than the bottom end of the first swing rod, the connecting point of the second transition connecting rod and the movable support is higher than the connecting point of the first transition connecting rod and the fixed support, and the movable support is driven by a linear motor which is installed on the fixed support to swing, and further the first swing rod and the second swing rod are driven to swing.

4. The zero-wall zero-gravity sofa of claim 1, wherein: the backrest framework part, the thigh framework part and the shank framework part are matched with the driving unit:

the backrest framework comprises a first arm rod, a second arm rod and a first connecting seat, the first connecting seat is fixed on the headrest frame, the first arm rod and the second arm rod are respectively connected to two sides of the first connecting seat, and one sides of the first arm rod and one side of the second arm rod are hinged with the first connecting seat;

the thigh bone part comprises a third arm rod, a fourth arm rod and a second connecting seat, the other side of the first arm rod is hinged with the second connecting seat, the other side of the second arm rod is fixedly connected with the third arm rod, the second arm rod and the third arm rod form a V-shaped structure, one side of the third arm rod is hinged with the second connecting seat, and the other side of the third arm rod is hinged with the fourth arm rod;

the shank skeleton part comprises a fifth arm rod, a sixth arm rod, a seventh arm rod, an eighth arm rod, a ninth arm rod and a tenth arm rod, wherein the fifth arm rod and the sixth arm rod are distributed in parallel, one side of the fifth arm rod and one side of the sixth arm rod are respectively hinged with the third arm rod, the other side of the fifth arm rod is hinged with the seventh arm rod, the other side of the sixth arm rod is hinged with the eighth arm rod, the other side of the seventh arm rod and the other side of the eighth arm rod are both hinged on the ninth arm rod, the sixth arm rod is also hinged with the tenth arm rod, and the other side of the tenth arm rod is hinged with the third arm rod;

the driving unit comprises two fixed swing arms and a linear driver, wherein the two fixed swing arms are arranged on the underframe, the two fixed swing arms are respectively a first fixed swing arm close to the headrest frame and a second fixed swing arm far away from the headrest frame, the bottom sides of the first fixed swing arm and the second fixed swing arm are hinged with the underframe, the upper side of the first fixed swing arm is hinged with one side of a second connecting seat, the upper side of the second fixed swing arm is hinged with the other side of the second connecting seat through the matching of a third transition connecting rod and a fourth transition connecting rod which are hinged in sequence, the third transition connecting rod is further hinged with a third arm rod, the middle position of the second fixed swing arm is further hinged with a fifth transition connecting rod, a first tension spring is further arranged between the fifth transition connecting rod and the second connecting seat, one side of the linear driver is arranged on the underframe, the other side of the linear driver is hinged with the third arm rod through the connecting rod and drives the third arm rod to swing, and then the whole framework is driven to act.

5. The zero-wall zero-gravity sofa of claim 1, wherein: the shank skeleton portion is kept away from the one side of thigh skeleton portion and still is provided with the footboard, articulates between one side of footboard and the shank skeleton portion, the footboard is driven by the linear drive ware of installing on the shank skeleton portion and swings, still connects the second extension spring between footboard and shank skeleton portion.