Functional integrated frame

Abstract

The utility model relates to a function integrated frame which comprises a seat frame, the seat frame comprises side edge iron frames, two lower supporting iron pipes, two upper supporting iron pipes and a rear connecting iron pipe, the two lower supporting iron pipes, the two upper supporting iron pipes and the rear connecting iron pipe are welded between the two side edge iron frames, and a containing space is defined by the iron frames. Connecting piece assemblies are installed on the inner sides of the side edge iron frames on the two sides, and a front connecting iron pipe is arranged between the two connecting piece assemblies. A connecting iron sheet is hinged to the rear side of the connecting sheet assembly; a driving part is arranged in the storage space and can act on the front connecting iron pipe to drive the connecting sheet assembly to act, so that the connecting iron sheet is driven to rotate, and the backrest frame can rotate by a certain angle to fall backwards; or a turntable assembly is arranged between the lower parts of the inner sides of the side iron frames on the two sides in the accommodating space, so that the seat frame rotates. According to the scheme, the seat frame is integrally welded, the structural firmness is improved, formaldehyde is removed, the containing space in the seat frame is large, a backrest, armrests and other parts can be placed in the seat frame, the packaging size is greatly reduced, and the transportation cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of seats, in particular to a functional integrated frame. Background Art

[0002] Old-fashioned conventional sofas usually use a wooden frame and laminate to achieve a frame structure. Not only is it not environmentally friendly, but the laminate contains glue and formaldehyde components that cannot be removed.

[0003] A Chinese utility model patent, publication number CN219331147U, discloses a single-person assembled sofa comprising a seat, two armrests, a backrest, a leg support, and an extension frame. The extension frame comprises an armrest connection portion detachably connected to the inner side of the armrest, a backrest connection portion detachably connected to the backrest, a leg support connection portion detachably connected to the leg support, and a seat connection portion detachably connected to the seat. The armrest connection portion, backrest connection portion, leg support connection portion, and seat connection portion are movably assembled so that the leg support is synchronously raised when the backrest is reclined. The seat comprises two connecting beams spaced left and right and extending forward and backward. The connecting beams are provided with a plurality of connecting holes, and the seat connection portion is provided with a plurality of threaded holes aligned with the connecting holes. Threaded fasteners for detachably connecting the connecting beams and the seat connection portion are provided in the connecting holes and the threaded holes. An installation space is provided between the two connecting beams to allow the threaded fasteners to be inserted from the connecting holes into the threaded holes. The beneficial effect of this utility model is that it can maximize the compression of the packaging space.

[0004] The seat of the above solution uses a wood and steel structure, which not only makes the sofa heavy and environmentally unfriendly, but also uses an extension frame to connect the backrest, armrests, and leg support, which has low structural stability and low disassembly capability, resulting in high shipping costs after packaging. Summary of the Invention

[0005] In order to solve the above problems, the purpose of the utility model is to provide a functional integrated frame, the seat frame steel pipe of the integrated frame is welded as a whole, which removes formaldehyde, not only improves the firmness, but also increases the internal space of the seat frame. The armrests and backrests can be detachably installed on the seat frame. When packaging, the backrest and armrest components can be placed in the seat frame at the same time, which greatly reduces the packaging volume, greatly reduces the transportation cost, increases the cabinet loading capacity, and improves space utilization.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions:

[0007] A functional integrated frame, comprising a seat frame, characterized in that: the seat frame comprises two symmetrically arranged side iron frames, and two lower supporting iron pipes, two upper supporting iron pipes and a rear connecting iron pipe welded between the two side iron frames, wherein a storage space is enclosed between these iron parts; the rear connecting iron pipe is located between the lower supporting iron pipe and the upper supporting iron pipe on the rear side; connecting piece assemblies are installed on the inner sides of the side iron frames on both sides, and a front connecting iron pipe is provided between the two sets of connecting piece assemblies; a connecting iron piece is hingedly provided on the rear side of the connecting piece assembly, and one end of the connecting iron piece extends out of the seat frame and is connected to the backrest frame;

[0008] A driving component is provided between the rear connecting iron pipe and the front connecting iron pipe in the storage space, and the driving component can act on the front connecting iron pipe to drive the connecting piece assembly to move, thereby driving the connecting iron piece to rotate so that the backrest frame can rotate a certain angle and fall backward; or a turntable assembly is installed between the inner lower parts of the side iron frames on both sides of the storage space, so as to realize the rotation of the seat frame relative to the ground.

[0009] In the above technical solution, the integrated seat frame comprises side iron frames, a lower support iron pipe, an upper support iron pipe, and a rear connecting iron pipe. These iron components are welded together to form a single piece, enhancing structural strength and eliminating formaldehyde. The seat frame offers ample storage space for components such as the backrest and armrests, significantly reducing packaging volume and shipping costs. Furthermore, a drive component is incorporated into the seat frame, enabling the backrest frame to be lowered via a connecting assembly, allowing the seat to recline. A turntable assembly can also be installed within the storage space, allowing the seat frame (and seat) to rotate, enabling the seat to swivel.

[0010] Preferably, the rear connecting iron pipe is provided with a pair of rear docking iron plates, the front connecting iron pipe is provided with a pair of front docking iron plates, and the driving component is a motor, with both ends of the motor respectively extending between the pair of rear docking iron plates and the pair of front docking iron plates and being detachably connected thereto. In this technical solution, the detachable motor design allows the seat frame to be hollowed out, maximizing the space within the frame and improving packaging utilization.

[0011] Preferably, the connecting piece assembly includes a first fixed iron piece, a second fixed iron piece, a first rotating iron piece, a second rotating iron piece and a transmission iron piece, wherein the first fixed iron piece and the second fixed iron piece are fixedly mounted on the inner upper part of the side iron frame, the first rotating iron piece is hinged to the first fixed iron piece, and the two ends of the second rotating iron piece are respectively hinged to the first rotating iron piece and the side iron frame, and the front connecting iron pipe is fixedly mounted between the first rotating iron pieces on both sides;

[0012] One end of the transmission iron plate is fixedly connected to the first rotating iron plate, the other end of the transmission iron plate is hinged to the lower outer side of the connecting iron plate, the second fixed iron plate is hinged to the lower inner side of the connecting iron plate, and the upper end of the connecting iron plate extends out of the seat frame and is constructed with a clamping hole connected to the backrest frame.

[0013] In the above technical solution, when the motor is propelled, it can drive the front connecting iron pipe to move, thereby driving the first rotating iron piece to rotate.

[0014] Then, the transmission iron plate is pulled to rotate the connecting iron plate, and the backrest frame connected to the connecting iron plate rotates and lies down. By controlling the motor, any stop point can be achieved, and each person can find the best comfort state according to their different weight. It should be noted here that the connecting iron plate and the backrest frame are detachable.

[0015] Preferably, the connecting iron piece includes an upper connecting piece and a lower connecting piece. The lower connecting piece is located below the rear upper supporting iron pipe. The upper connecting piece is located outside the rear upper supporting iron pipe and forms a notch between the upper connecting piece and the lower connecting piece, which abuts against the rear upper supporting iron pipe. The lower connecting piece is hingedly connected to the transmission iron piece and the second fixed iron piece. In this technical solution, the notch abuts against the rear upper supporting iron pipe to achieve position control, so that when the motor is running, the upper connecting piece rotates rearward and outward to adjust the position of the backrest.

[0016] Preferably, the connecting piece assembly further includes a third rotating iron piece and a fourth rotating iron piece, each of the third rotating iron piece being hingedly connected to the first fixed iron piece and the fourth rotating iron piece at either end, a central portion of the third rotating iron piece being fixedly connected to the second rotating iron piece, and the other end of the fourth rotating iron piece being hingedly connected to the side iron frame. In this technical solution, the third and fourth rotating iron pieces can enhance the rotational stability of the first and second rotating iron pieces, improving the overall structural stability and strength of the connecting piece assembly and extending its service life.

[0017] Preferably, a reinforcing iron sheet is fixed to the inner front end of each of the two side iron frames, one end of the fourth rotating iron sheet is hingedly disposed between the reinforcing iron sheet and the side iron frames, and a foot plate is fixed to the outer end of the reinforcing iron sheet. In this technical solution, the reinforcing iron sheet improves the connection strength of the fourth rotating iron sheet, thereby enhancing the connection strength of the entire connecting piece assembly with the outside. In addition, the reinforcing iron sheet is used to securely install the foot plate, which is very convenient.

[0018] Preferably, the turntable assembly includes a support frame supported on the ground, a chassis fixed to the support frame, a turntable rotatably mounted on the chassis, and a connecting frame fixed to the upper end of the turntable, wherein the connecting frame is fixedly mounted between the lower portions of the inner sides of the side iron frames on both sides. In this technical solution, the support frame is placed on the ground within the accommodation space, and the chassis is fixed to the support frame. The turntable and the chassis are an integrated component, and the turntable can rotate 180 degrees relative to the chassis. The connecting frame is fixed to the upper end of the turntable, and the holes on both sides of the connecting frame are aligned with the holes on the side iron frames for fixed installation, thereby allowing the seat frame to rotate 90 degrees left and right, respectively, for greater leisure and convenience.

[0019] Preferably, connecting ribs are fixedly provided below the upper tube of the side iron frame along the length direction of the side iron frame, and the cushion fabric is installed on the connecting ribs by snaps, and ridges are formed on the connecting ribs and are welded and fixed to the lower end of the upper tube of the side iron frame.

[0020] This technical solution eliminates the need for nails when installing the cushion fabric. Connecting ribs are installed on the side iron frames of the seat frame, and several clips are attached to the cushion fabric. These clips clip onto the connecting ribs to secure the fabric, eliminating the traditional nail gun method, improving work time and efficiency, and resulting in a cleaner and more aesthetically pleasing product. The ribs are further secured by welding to the lower end of the upper tube of the side iron frame, preventing them from being too long and bending.

[0021] Preferably, the outer ends of the side iron frames are formed with a plurality of first connection holes for connecting the armrests. In this technical solution, the seat frame is mounted on the armrests through the first connection holes, and assembly and disassembly are very convenient.

[0022] Preferably, the upper end of the upper supporting iron pipe is constructed with a plurality of second connection holes for connecting hooks. In this technical solution, the upper end of the upper supporting iron pipe is installed with hooks through the second connection holes, and a serpentine spring is arranged between the hooks, so that the seat frame has a shock-absorbing function and is more comfortable. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the functional integrated frame.

[0024] Figure 2 This is a schematic diagram of the assembly of the motor and the front and rear connecting iron pipes.

[0025] Figure 3 Schematic diagram of the exploded structure of the turntable assembly.

[0026] Figure 4 Schematic diagram of the arrangement of connecting ribs.

[0027] Figure 5 This is a schematic diagram of the three-dimensional structure of the motor or turntable assembly assembled in the functional integrated frame. DETAILED DESCRIPTION

[0028] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise" and the like to indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, unless otherwise specified, "plurality" means two or more, unless expressly limited otherwise.

[0031] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0032] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0033] like Figures 1 to 5The functional integrated frame shown includes a seat frame 100, which includes two symmetrically arranged side iron frames 1, and two lower supporting iron pipes 2, two upper supporting iron pipes 3 and a rear connecting iron pipe 4 welded between the two side iron frames 1. These iron parts enclose a storage space 5; the rear connecting iron pipe 4 is located between the lower supporting iron pipe 2 and the upper supporting iron pipe 3 on the rear side; connecting piece assemblies are installed on the inner sides of the side iron frames 1 on both sides, and a front connecting iron pipe 6 is provided between the two sets of connecting piece assemblies; a connecting iron piece 7 is hingedly provided on the rear side of the connecting piece assembly, and one end of the connecting iron piece 7 extends out of the seat frame 100 and is connected to the backrest frame 200;

[0034] A driving component is provided between the rear connecting iron pipe 4 and the front connecting iron pipe 6 in the storage space 5. The driving component can act on the front connecting iron pipe 6 to drive the connecting piece assembly to move, thereby driving the connecting iron piece 7 to rotate so that the backrest frame 200 can rotate a certain angle and fall backward; or a turntable assembly is installed between the inner lower parts of the side iron frames 1 on both sides of the storage space 5, so as to realize the rotation of the seat frame 100 relative to the ground.

[0035] In the above technical solution, the integrated seat frame comprises side iron frames, a lower support iron pipe, an upper support iron pipe, and a rear connecting iron pipe. These iron components are welded together to form a single piece, eliminating wood materials, protecting the environment, improving structural strength, and eliminating formaldehyde. The seat frame offers ample storage space for components such as backrests and armrests, significantly reducing packaging volume, reducing transportation costs, increasing container capacity, and improving space utilization. Furthermore, a drive component is incorporated into the seat frame, which, through a connecting assembly, can fold down the backrest frame to achieve a reclining function. A turntable assembly can also be installed within the storage space, which can be used to rotate the seat frame (and the seat), achieving a swivel function.

[0036] Furthermore, the rear connecting iron pipe 4 is provided with a pair of rear docking iron plates 8, and the front connecting iron pipe 6 is provided with a pair of front docking iron plates 9. The driving component is a motor 10, and the two ends of the motor 10 extend between the pair of rear docking iron plates 8 and the pair of front docking iron plates 9 and are detachably connected thereto. In this technical solution, the motor is detachably designed between the pair of rear docking iron plates and the pair of front docking iron plates. During packaging, the seat frame can be hollowed out to maximize the space within the frame and improve packaging efficiency.

[0037] Furthermore, the connecting piece assembly includes a first fixed iron piece 11, a second fixed iron piece 12, a first rotating iron piece 13, a second rotating iron piece 14 and a transmission iron piece 15, wherein the first fixed iron piece 11 and the second fixed iron piece 12 are fixedly mounted on the inner upper part of the side iron frame 1, the first rotating iron piece 13 is hinged to the first fixed iron piece 11, and the two ends of the second rotating iron piece 14 are respectively hinged to the first rotating iron piece 13 and the side iron frame 1, and the front connecting iron pipe 6 is fixedly mounted between the first rotating iron pieces 13 on both sides;

[0038] One end of the transmission iron plate 15 is fixedly connected to the first rotating iron plate 13, the other end of the transmission iron plate 15 is hinged to the lower outer side of the connecting iron plate 7, the second fixed iron plate 12 is hinged to the lower inner side of the connecting iron plate 7, and the upper end of the connecting iron plate 7 extends out of the seat frame 100 and is constructed with a card hole 16 connected to the backrest frame 200.

[0039] In the above technical solution, when the motor is propelled, it can drive the front connecting iron pipe to move, thereby driving the first rotating iron piece to rotate.

[0040] Then, the transmission iron plate is pulled to rotate the connecting iron plate, and the backrest frame connected to the connecting iron plate rotates and lies down. By controlling the motor, any stop point can be achieved, and each person can find the best comfort state according to their different weight. It should be noted here that the connecting iron plate and the backrest frame are detachable.

[0041] Furthermore, the connecting iron piece 7 includes an upper connecting piece 17 and a lower connecting piece 18. The lower connecting piece 18 is located below the rear upper supporting iron pipe 3. The upper connecting piece 17 is located outside the rear upper supporting iron pipe 3 and forms a notch 19 between the upper connecting piece 17 and the lower connecting piece 18, which abuts against the rear upper supporting iron pipe 3. The lower connecting piece 18 is hingedly connected to the transmission iron piece 15 and the second fixed iron piece 12. In this technical solution, the notch abuts against the rear upper supporting iron pipe to achieve a limited position, so that when the motor is running, the upper connecting piece rotates rearward and outward to adjust the position of the backrest.

[0042] Furthermore, the connecting piece assembly also includes a third rotating iron piece 20 and a fourth rotating iron piece 21. The ends of the third rotating iron piece 20 are hinged to the first fixed iron piece 11 and the fourth rotating iron piece 21, respectively. The middle portion of the third rotating iron piece 20 is fixedly connected to the second rotating iron piece 14. The other end of the fourth rotating iron piece 21 is hinged to the side iron frame 1. In this technical solution, the third and fourth rotating iron pieces can improve the rotational stability of the first and second rotating iron pieces, enhance the structural stability and strength of the connecting piece assembly as a whole, and extend its service life.

[0043] Furthermore, a reinforcing iron sheet 22 is fixed to the inner front end of each side iron frame 1. One end of the fourth rotating iron sheet 21 is hingedly disposed between the reinforcing iron sheet 22 and the side iron frame 1, and a foot plate is fixed to the outer end of the reinforcing iron sheet 22. In this technical solution, the reinforcing iron sheet improves the connection strength of the fourth rotating iron sheet, thereby enhancing the connection strength of the entire connecting piece assembly with the outside. In addition, the reinforcing iron sheet is used to fix the foot plate, which is very convenient.

[0044] Furthermore, the turntable assembly includes a support frame 23 supported on the ground, a chassis 24 fixed to the support frame 23, a turntable 25 rotatably arranged on the chassis 24, and a connecting frame 26 fixed to the upper end of the turntable 25. The connecting frame 26 is fixedly installed between the lower portions of the inner sides of the side iron frames 1 on both sides. In this technical solution, the support frame is placed on the ground within the accommodation space, and the chassis is fixed to the support frame. The turntable and the chassis are an integrated component. The turntable can rotate 180 degrees relative to the chassis. The connecting frame is fixed to the upper end of the turntable, and the holes 400 on both sides of the connecting frame are aligned with the holes 500 on the side iron frames for fixed installation, so that the seat frame can rotate 90 degrees to the left and right, respectively, for more leisure and convenience.

[0045] Furthermore, a connecting rib 27 is fixedly provided below the upper tube of the side iron frame 1 along the length direction of the side iron frame 1. The seat cushion fabric is installed on the connecting rib 27 via a buckle. A ridge 28 is formed on the connecting rib 27 and is welded and fixed to the lower end of the upper tube of the side iron frame 1. In this technical solution, the seat cushion fabric is installed without nails. Connecting ribs are provided on the side iron frame of the seat frame, and several buckles are installed on the seat cushion fabric. Several buckles are clamped on the connecting ribs to fix the fabric, eliminating the traditional nail gun operation method, improving operation time and efficiency, and making the product appearance neater and more beautiful. The ridge formed on the connecting rib is welded and fixed to the lower end of the upper tube of the side iron frame, which further fixes the connecting rib and prevents the connecting rib from being too long and bending.

[0046] Furthermore, the outer ends of the side iron frames 1 are constructed with a plurality of first connection holes 29 for connecting the handrails 300. In this technical solution, the seat frame is mounted on the handrails through the first connection holes, and assembly and disassembly are very convenient.

[0047] Furthermore, the upper end of the upper support iron pipe 3 is constructed with a plurality of second connection holes 30 for connecting hooks 31. In this technical solution, the upper end of the upper support iron pipe is installed with hooks through the second connection holes, and a serpentine spring is arranged between the hooks, so that the seat frame has a shock-absorbing function and is more comfortable.

[0048] It should be noted here that if Figure 5 As shown, for the convenience of display, the seat frame 100 is not only provided with a motor but also a turntable assembly. In actual application, a seat has a single lying function or a rotating function.

[0049] In this specific embodiment, the existing wooden structures of the seat, which suffer from limited functionality, environmental concerns, and insufficient structural strength, as well as low disassembly and high transportation costs, are addressed. By integrally welding the side iron frames, lower support iron pipes, upper support iron pipes, and rear connecting iron pipes within the seat frame, this solution eliminates the wood material, protects the environment, improves structural strength, and eliminates formaldehyde. The seat frame provides ample storage space for components such as the backrest and armrests, significantly reducing packaging volume and transportation costs, increasing container capacity, and improving space utilization. Furthermore, a removable motor is incorporated within the seat frame, enabling the backrest frame to be lowered via a connecting assembly, allowing the seat to recline. A turntable assembly is also incorporated within the storage space, allowing the seat frame (and seat) to be rotated, enabling the seat to rotate. Furthermore, the connecting iron sheet is removably connected to the backrest frame; the seat frame is removably connected to the armrests; and hooks are installed on the seat frame, with serpentine springs positioned between the hooks to provide shock absorption.

[0050] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0051] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention.

Claims

1. A functional integrated frame, comprising a seat frame (100), characterized in that: The seat frame (100) comprises two symmetrically arranged side iron frames (1), and two lower supporting iron pipes (2), two upper supporting iron pipes (3) and a rear connecting iron pipe (4) welded between the two side iron frames (1), wherein a storage space (5) is enclosed between these iron parts; the rear connecting iron pipe (4) is located between the lower supporting iron pipe (2) and the upper supporting iron pipe (3) on the rear side; connecting piece components are installed on the inner sides of the side iron frames (1), and a front connecting iron pipe (6) is provided between the two sets of connecting piece components; a connecting iron piece (7) is hingedly provided on the rear side of the connecting piece component, and one end of the connecting iron piece (7) extends out of the seat frame (100) and is connected to the backrest frame (200); A driving component is provided between the rear connecting iron pipe (4) and the front connecting iron pipe (6) in the storage space (5), and the driving component can act on the front connecting iron pipe (6) to drive the connecting piece assembly to move, thereby driving the connecting iron piece (7) to rotate so that the backrest frame (200) can rotate to a certain angle and fall backward; or a turntable assembly is installed between the inner lower parts of the side iron frames (1) on both sides of the storage space (5), so as to realize the rotation of the seat frame (100) relative to the ground.

2. The functional integrated frame according to claim 1, characterized in that: The rear connecting iron pipe (4) is provided with a pair of rear butt-jointed iron sheets (8), and the front connecting iron pipe (6) is provided with a pair of front butt-jointed iron sheets (9). The driving component is a motor (10), and both ends of the motor (10) respectively extend between the pair of rear butt-jointed iron sheets (8) and the pair of front butt-jointed iron sheets (9) and are detachably connected to them.

3. The functional integrated frame according to claim 2, characterized in that: The connecting piece assembly comprises a first fixed iron piece (11), a second fixed iron piece (12), a first rotating iron piece (13), a second rotating iron piece (14) and a transmission iron piece (15), wherein the first fixed iron piece (11) and the second fixed iron piece (12) are fixedly mounted on the inner upper portion of the side iron frame (1), the first rotating iron piece (13) is hinged to the first fixed iron piece (11), and the two ends of the second rotating iron piece (14) are respectively hinged to the first rotating iron piece (13) and the side iron frame (1), and the front connecting iron pipe (6) is fixedly mounted between the first rotating iron pieces (13) on both sides; One end of the transmission iron sheet (15) is fixedly connected to the first rotating iron sheet (13), the other end of the transmission iron sheet (15) is hinged to the lower outer side of the connecting iron sheet (7), the second fixed iron sheet (12) is hinged to the lower inner side of the connecting iron sheet (7), and the upper end of the connecting iron sheet (7) extends out of the seat frame (100) and is formed with a clamping hole (16) connected to the backrest frame (200).

4. The functional integrated frame according to claim 3, characterized in that: The connecting iron piece (7) comprises an upper connecting piece (17) and a lower connecting piece (18), wherein the lower connecting piece (18) is located below the rear upper supporting iron pipe (3), and the upper connecting piece (17) is located outside the rear upper supporting iron pipe (3) and a notch (19) is formed between the upper connecting piece (17) and the lower connecting piece (18) and abuts against the rear upper supporting iron pipe (3). The lower connecting piece (18) is hinged to the transmission iron piece (15) and the second fixed iron piece (12), respectively.

5. The functional integrated frame according to claim 3, characterized in that: The connecting piece assembly further comprises a third rotating iron piece (20) and a fourth rotating iron piece (21), wherein two ends of the third rotating iron piece (20) are hinged to the first fixed iron piece (11) and the fourth rotating iron piece (21), respectively; a middle portion of the third rotating iron piece (20) is fixedly connected to the second rotating iron piece (14); and the other end of the fourth rotating iron piece (21) is hinged to the side iron frame (1).

6. The functional integrated frame according to claim 5, characterized in that: A reinforcing iron sheet (22) is fixedly provided on the inner side of the front end of the side iron frames (1), one end of the fourth rotating iron sheet (21) is hingedly provided between the reinforcing iron sheet (22) and the side iron frames (1), and a foot plate is fixedly provided on the outer end of the reinforcing iron sheet (22).

7. The functional integrated frame according to claim 1, characterized in that: The turntable assembly comprises a support frame (23) supported on the ground, a chassis (24) fixed on the support frame (23), a turntable (25) rotatably arranged on the chassis (24), and a connecting frame (26) fixed on the upper end of the turntable (25), wherein the connecting frame (26) is fixedly mounted between the lower parts of the inner sides of the side iron frames (1) on both sides.

8. The functional integrated frame according to claim 1, characterized in that: A connecting rib (27) is fixedly provided below the upper tube of the side iron frame (1) along the length direction of the side iron frame (1); the cushion fabric is mounted on the connecting rib (27) by means of a buckle; a ridge (28) is formed on the connecting rib (27) and is welded and fixed to the lower end of the upper tube of the side iron frame (1).

9. The functional integrated frame according to claim 8, characterized in that: The outer end of the side iron frame (1) is formed with a plurality of first connection holes (29) for connecting the handrail (300).

10. The functional integrated frame according to claim 9, characterized in that: The upper end of the upper supporting iron pipe (3) is formed with a plurality of second connection holes (30) for connecting hooks (31).

Images