Seat framework system with multi-posture adjustment function

Abstract

The utility model relates to the field of automobile seats, and discloses a seat framework system with a multi-posture adjusting function, which comprises a backrest assembly and further comprises a seat frame assembly mounted on the backrest assembly, and a basin seat assembly is mounted in the seat frame assembly through bolts. The seat frame assembly is provided with a side sliding rail assembly used for controlling the left-right stroke of the seat, and the basin seat assembly is provided with a sliding rail anti-disengaging assembly used for enhancing the strength of the side sliding rail assembly. A bracket assembly for limiting the moving stroke of the seat is arranged outside the side sliding rail assembly, and a lower sliding rail assembly for controlling the front-back stroke of the seat is installed on the bracket assembly and the side sliding rail assembly. A leg support assembly is mounted on the seat frame assembly; according to the seat framework system, the sitting posture can be reasonably adjusted according to human mechanics, and the practical comfort degree is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile seat, concretely relates to a seat framework system with multi -posture adjustment. BACKGROUND

[0002] With the development of automobile technology, people's requirements for the intelligence, functionality and diversity of automobile seats are higher and higher, and the automobile seat not only meets the need of riding, but also needs to relieve fatigue during the journey, realize multi-angle and multi-posture adjustment, provide functions such as one-key lying, one-key resetting, full-body massage, leg adjustment, foot support and the like, can respond to the needs of passengers in different environments in time, and provide an extreme comfort experience like the first-class cabin of an airplane; some even have audio-visual entertainment functions, which can be realized through AI voice control, and provide a cinema-like viewing experience for passengers, but part of the seat cannot be adjusted in multiple directions according to the body posture, affecting the comfort of long-time riding.

[0003] Chinese publication number CN118770032A discloses an automobile seat framework and an automobile seat, which comprises a base, a backrest framework, a cushion framework, a first driving mechanism and a second driving mechanism, the backrest framework is rotationally connected with the base, the cushion framework comprises a first connecting rod assembly, a second connecting rod assembly and a third connecting rod assembly, one end of the first connecting rod assembly is slidingly connected with the base, the other end is hingedly connected with one end of the second connecting rod assembly, the other end of the second connecting rod assembly is hingedly connected with one end of the third connecting rod assembly, and the other end of the third connecting rod assembly is hingedly connected with the base; the first driving mechanism is connected with the base and the second connecting rod assembly respectively, the second driving mechanism is connected with the base and the third connecting rod assembly respectively, the first driving mechanism is used for driving the second connecting rod assembly to rotate relative to the third connecting rod assembly, and the second driving mechanism is used for driving the third connecting rod assembly to rotate relative to the base.

[0004] According to the above-mentioned patent, the automobile seat framework and the automobile seat of the patent can realize folding and zero pressure, and have high comfort, but the seat cannot be adjusted according to the body mechanics principle for the sitting posture of the user, many seat postures on the market are relatively single, cannot effectively support each part of the user's body, and the comfort of the user riding the seat for a long time is poor. UTILITY MODEL CONTENTS

[0005] In view of the above problems, a seat framework system with multi-posture adjustment is provided, which can adjust the sitting posture of the seat in all directions according to the body mechanics through the side slide rail assembly, the bracket assembly, the lower slide rail assembly, the leg support assembly and the backrest assembly, solves the problem that many seat postures on the market are relatively single, cannot effectively support each part of the user's body, and the comfort of the user riding the seat for a long time is poor.

[0006] In order to solve the prior art problems, the utility model provides a seat framework system with multi -posture adjustment, including backrest assembly, seat framework system still includes the seat frame assembly of installing on backrest assembly, the basin seat assembly is installed to seat frame assembly through bolt, install side slide rail assembly for controlling seat left and right stroke on seat frame assembly, install the slide rail anti -drop subassembly of strengthening side slide rail assembly intensity on seat frame assembly, the bracket assembly of seat movement stroke is equipped with outside side slide rail assembly, install lower slide rail assembly for controlling seat front and back stroke on bracket assembly and side slide rail assembly, install leg support assembly on seat frame assembly.

[0007] Preferably, the backrest assembly includes a backrest framework and a vibration absorber bolted to the backrest framework, a rotating assembly is installed on the backrest framework, a backrest micro switch is further provided on the backrest framework, a transmission shaft is installed on the backrest framework in the direction of the rotating axis of the backrest framework, a clasp spring is provided on the backrest framework to prevent the shaft from moving left and right, and an angle adjustment memory motor is installed on the backrest framework.

[0008] Preferably, the vibration absorber includes a mounting bracket fixed to the backrest framework, a shock pad is installed on the mounting bracket, a rubber plug is installed on the mounting bracket, and a counterweight is fixed to the rubber plug and the shock pad.

[0009] Preferably, the basin seat assembly includes a basin seat framework, a massage bracket is fixed to the basin seat framework, a wire harness bracket for installing wires is fixed to the basin seat framework, leg support steel wires are fixed to the left and right sides of the basin seat framework, a basin seat fixed steel wire is fixed to the front side of the basin seat framework, and a reinforcing steel wire is fixed to the basin seat fixed steel wire.

[0010] Preferably, the seat frame assembly includes a fixed component bolted to the backrest framework, a rear connecting rod assembly is installed on the fixed component, a lifting assembly is rotatably installed on the fixed component, and a lead screw transmission assembly is provided on the fixed component to drive the lifting assembly to rotate; a front linkage piece is movably connected between the lifting assembly and the fixed component, and a rear linkage piece is rotatably connected to the lifting assembly.

[0011] Preferably, the slide rail anti-drop subassembly includes an anti-drop bracket, two groups of tail linkage support steel wires are fixed to the anti-drop bracket, and a connecting bracket is further fixed to the anti-drop bracket.

[0012] Preferably, the side slide rail assembly includes a side slide front end electric rail, a side slide rear end electric rail is slidably connected to the side slide front end electric rail, a side slide bracket assembly is fixedly installed on the side slide rear end electric rail, and a module bracket assembly is bolted to the side slide bracket assembly.

[0013] Preferably, the bracket assembly includes a connecting sheet metal assembly, a rear bracket assembly is bolted to the connecting sheet metal assembly, a front bracket assembly is further bolted to the connecting sheet metal assembly, and a seat cushion micro switch is installed on the connecting sheet metal assembly.

[0014] Preferably, the lower slide rail assembly comprises an electric left slide rail and an electric right slide rail, and the horizontal support assembly is mounted on the electric left slide rail and the electric right slide rail.

[0015] Preferably, the leg support assembly comprises a leg support mounting assembly, a leg support memory motor is mounted on the leg support mounting assembly, a leg support connecting rod a is rotatably connected to the leg support mounting assembly, a leg support connecting rod b is rotatably connected to the leg support connecting rod a, a leg support connecting rod c is movably connected between the leg support connecting rod b and the leg support mounting assembly, a leg support connecting rod d is rotatably connected to the leg support connecting rod c, a leg support connecting rod e is rotatably connected to the leg support connecting rod d, and a sliding assembly is mounted on the leg support connecting rod e, and a hanging steel wire is fixed to the sliding assembly.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1. The utility model discloses a side slide rail assembly and lower slide rail assembly adjust the position of the seat in the front and back and left and right directions, adjust the position of the seat in the left and right directions through the side slide front end electric rail and the side slide rear end electric rail, adjust the position of the seat in the front and back directions through the electric left slide rail and the electric right slide rail, the seat position adjustment is more comprehensive, and the bracket assembly in the seat can identify the obstacle in the seat position adjustment process, the seat framework platform has high expansibility and can carry additional functions such as massage, heating, ventilation and memory, and the intelligent degree of seat adjustment is improved.

[0018] 2. The utility model discloses a seat frame assembly adjusts the angle of the basin seat assembly, and the backrest assembly can adjust the angle of the seat backrest, and the two angle adjustment structures can adjust the sitting posture of the seat according to human mechanics, and the comfort of seat riding is improved.

[0019] 3. The utility model discloses a leg support assembly, which is arranged on the front side of the seat according to the position of the legs of the user, adjusts the angle of the leg support assembly corresponding to the front side of the seat, so as to effectively support the legs of the user, and further improve the comfort of seat riding. DRAWINGS

[0020] Figure 1 It is a backrest assembly three-dimensional structure schematic view of a seat framework system with multi-posture adjustment.

[0021] Figure 2 It is a seat frame assembly three-dimensional structure schematic view of a seat framework system with multi-posture adjustment.

[0022] Figure 3 It is a backrest framework three-dimensional structure schematic view of a seat framework system with multi-posture adjustment.

[0023] Figure 4It is a mounting bracket three-dimensional structure diagram of a seat framework system with multi-posture adjustment.

[0024] Figure 5 It is a basin framework three-dimensional structure diagram of a seat framework system with multi-posture adjustment.

[0025] Figure 6 It is a fixing assembly three-dimensional structure diagram of a seat framework system with multi-posture adjustment.

[0026] Figure 7 It is a lifting assembly three-dimensional structure diagram of a seat framework system with multi-posture adjustment.

[0027] Figure 8 It is a anti-drop bracket three-dimensional structure diagram of a seat framework system with multi-posture adjustment.

[0028] Figure 9 It is a module bracket assembly three-dimensional structure diagram of a seat framework system with multi-posture adjustment.

[0029] Figure 10 It is a bracket total three-dimensional structure diagram of a seat framework system with multi-posture adjustment.

[0030] Figure 11 It is a connecting sheet metal total three-dimensional structure diagram of a seat framework system with multi-posture adjustment.

[0031] Figure 12 It is a horizontal bracket assembly overhead structure diagram of a seat framework system with multi-posture adjustment.

[0032] Figure 13 It is a electric right slide rail three-dimensional structure diagram of a seat framework system with multi-posture adjustment.

[0033] Figure 14 It is a leg support total three-dimensional structure diagram of a seat framework system with multi-posture adjustment.

[0034] Figure 15 It is a leg support mounting assembly three-dimensional structure diagram of a seat framework system with multi-posture adjustment.

[0035] Figure 16 It is a lower slide rail assembly side view structure diagram of a seat framework system with multi-posture adjustment.

[0036] Figure 17 It is a basin assembly rotating unfolded state diagram of a seat framework system with multi-posture adjustment.

[0037] Figure 18It is a leg rest assembly rotating expansion structure schematic view of a seat framework system with multi-posture adjustment.

[0038] Reference signs in the drawings are:

[0039] 1, backrest assembly; 11, backrest framework; 12, vibration absorber; 121, counterweight; 122, mounting bracket; 123, damping pad; 124, rubber plug; 13, rotating assembly; 14, backrest micro switch; 15, circlip; 16, angle adjustment memory motor; 17, transmission shaft; 2, basin seat assembly; 21, basin seat framework; 22, massage bracket; 23, wire harness bracket; 24, leg support wire; 25, basin seat fixing wire; 26, reinforcing wire; 3, seat frame assembly; 31, lifting assembly; 32, rear connecting rod assembly; 33, fixing assembly; 34, screw rod transmission assembly; 35, front linkage piece; 36, rear linkage piece; 4, slide rail anti-disengagement assembly; 41, anti-disengagement bracket; 42, tail linkage support wire; 43, connecting bracket; 5, side slide rail assembly; 51, side slide front end electric rail; 52, side slide rear end electric rail; 53, side slide bracket assembly; 54, module bracket assembly; 6, bracket assembly; 61, connecting sheet metal assembly; 62, rear bracket assembly; 63, front bracket assembly; 64, cushion micro switch; 7, lower slide rail assembly; 71, electric left slide rail; 72, electric right slide rail; 73, horizontal bracket assembly; 8, leg rest assembly; 81, leg rest mounting assembly; 82, leg rest memory motor; 83, leg rest connecting rod a; 84, leg rest connecting rod b; 85, leg rest connecting rod c; 86, leg rest connecting rod d; 87, leg rest connecting rod e; 88, sliding assembly; 89, hanging tight wire. DETAILED DESCRIPTION

[0040] In order to further understand the features, technical means and specific purposes and functions achieved by the utility model, the utility model will be described in further detail below in combination with the drawings and specific embodiments.

[0041] Referring to Figure 1 and Figure 2 , a seat framework system with multi-posture adjustment comprises a backrest assembly 1, and further comprises a seat frame assembly 3 mounted on the backrest assembly 1, wherein the seat frame assembly 3 is provided with a basin seat assembly 2 mounted through bolts; the seat frame assembly 3 is provided with a side slide rail assembly 5 for controlling the left and right stroke of the seat, and is further provided with a slide rail anti-disengagement assembly 4 for strengthening the strength of the side slide rail assembly 5; the side slide rail assembly 5 is externally provided with a bracket assembly 6 for limiting the moving stroke of the seat, and the bracket assembly 6 and the side slide rail assembly 5 are provided with a lower slide rail assembly 7 for controlling the forward and backward stroke of the seat; and the seat frame assembly 3 is provided with a leg rest assembly 8.

[0042] According to the principle of human mechanics, the sitting posture or inclination angle of the seat is adjusted by rotating the backrest assembly 1 and the basin assembly 2, the position of the seat is adjusted by sliding left and right through the side slide rail assembly 5, the position of the seat is adjusted by sliding forward and backward through the lower slide rail assembly 7, and according to the position of the user's legs placed on the seat, the leg support assembly 8 is rotated to support the user's legs, thereby improving the comfort of using the seat.

[0043] Referring to Figure 3 As shown, the backrest assembly 1 includes a backrest skeleton 11 and a vibration absorber 12 fixedly installed on the backrest skeleton 11, the backrest skeleton 11 is installed with a rotating assembly 13, the backrest skeleton 11 is further provided with a backrest micro switch 14, the backrest skeleton 11 is installed with a transmission shaft 17 in the direction of the rotation axis, the backrest skeleton 11 is provided with a clasp spring 15 to fix the transmission shaft 17 and prevent the shaft from moving left and right, and the backrest skeleton 11 is installed with an angle adjustment memory motor 16.

[0044] The angle adjustment memory motor 16 drives the electric angle adjuster on both sides, drives the backrest skeleton 11 to rotate forward and backward through the transmission shaft 17, the clasp spring 15 can fix the transmission shaft 17 to prevent the shaft from moving left and right, the backrest is suspended with a steel wire and a plastic part integrally injection molded, which can provide support on one hand and can be arranged with some buckles and mounting holes on the other hand for installing functional accessories such as waist support, massage and wire harness, and the backrest skeleton 11 is provided with a ventilation system mounting hole at the upper end, which can be used to install a ventilation fan.

[0045] The backrest micro switch 14 is installed on a bracket and has an internal sensor, which controls by identifying the limit points of the backrest angle limiting plate, when the backrest rotates backward to touch the obstacle, the micro switch receives the signal, and the backrest will automatically stop the electric adjustment, which makes the seat adjustment more intelligent and improves the safety of riding.

[0046] Referring to Figure 4 As shown, the vibration absorber 12 includes a mounting bracket 122 fixed on the backrest skeleton 11, a damping pad 123 installed on the mounting bracket 122, a rubber plug 124 installed on the mounting bracket 122, and a counterweight 121 fixed on the rubber plug 124 and the damping pad 123.

[0047] The counterweight 121 is suspended on the mounting bracket 122 through the rubber plug 124 and the damping pad 123, and when the car is running, the counterweight 121 floats inside, which can effectively improve the modal frequency of the seat, and can reduce the co-seismic of the seat and the vehicle body when driving in different road conditions, thereby improving the riding comfort.

[0048] Referring to Figure 5As shown, the basin assembly 2 comprises a basin skeleton 21, a massage support 22 is fixed on the basin skeleton 21, a wire harness support 23 for installing wires is fixed on the basin skeleton 21, leg support steel wires 24 are fixed on both sides of the basin skeleton 21, a basin fixing steel wire 25 is fixed on the front side of the basin skeleton 21, and a reinforcing steel wire 26 is fixed on the basin fixing steel wire 25.

[0049] The leg support steel wire 24, the basin fixing steel wire 25 and the reinforcing steel wire 26 can provide good support for the legs and hips, improve the anti-forward sliding and anti-sinking performance of the seat, and improve the riding comfort after long sitting. The wire harness support 23, the ventilation component support and the massage component support are arranged on the back of the basin skeleton 21, so that the accessories of the wire harness, ventilation and massage functions are more convenient to install on the seat.

[0050] Referring to Figure 6 , Figure 7 , Figure 16 and Figure 17 As shown, the seat frame assembly 3 comprises a fixing assembly 33 fixed on the backrest skeleton 11 by bolts, a rear connecting rod assembly 32 is installed on the fixing assembly 33, a lifting assembly 31 is rotatably installed on the fixing assembly 33, and a lead screw transmission assembly 34 for driving the lifting assembly 31 to rotate is arranged on the fixing assembly 33; a front linkage piece 35 is movably connected between the lifting assembly 31 and the fixing assembly 33, and a rear linkage piece 36 is rotatably connected to the lifting assembly 31.

[0051] One end of the front linkage piece 35 and the rear linkage piece 36 is fixed on the seat frame fixing assembly 33, and the other end is fixed on the lifting assembly 31. The linkage pieces are fixed by riveting and stepped bolts and are movably connected to rotate freely. There are bushings at the fixed points to reduce friction and abnormal sound. The lead screw in the lead screw transmission assembly 34 rotates to push the lifting assembly 31 upward, and the front linkage piece 35 and the rear linkage piece 36 connected to both sides of the lifting assembly 31 move together to assist the lifting assembly 31 to be lifted upward to a certain angle, thereby realizing the control of the rotation adjustment of the basin assembly 2.

[0052] Referring to Figure 8 As shown, the slide rail anti-falling assembly 4 comprises an anti-falling support 41, two groups of tail connecting support steel wires 42 are fixed on the anti-falling support 41, and a connecting support 43 is also fixed on the anti-falling support 41.

[0053] The anti-falling support 41, the tail connecting support steel wire 42 and the connecting support 43 effectively enhance the installation strength of the slide rail support and keep the sliding installation stable.

[0054] Referring to Figure 9As shown, the side slide rail assembly 5 includes a side slide front end electric rail 51, a side slide rear end electric rail 52 is slidingly connected to the side slide front end electric rail 51, a side slide bracket assembly 53 is fixedly installed on the side slide rear end electric rail 52, and a module bracket assembly 54 is installed on the side slide bracket assembly 53 through bolts.

[0055] The side slide bracket assembly 53 and the slide rail anti-disengagement assembly 4 form a reversed hook structure, which can effectively increase the strength and prevent the side slide rail from disengaging. The side slide rear end electric rail 52 drives the seat to slide left and right, and the left and right strokes are controlled through the side slide limiting stop points. The module bracket assembly 54 can install ventilation, heating, and memory modules. Some wire harness mounting holes are also reserved on the bracket to facilitate the installation of functional accessories. Under the program control of the modules, the seat can realize functions such as ventilation, heating, memory, and massage.

[0056] Referring to Figure 10 and Figure 11 As shown, the bracket assembly 6 includes a connecting sheet metal assembly 61, a rear bracket assembly 62 is fixedly installed on the connecting sheet metal assembly 61 through bolts, a front bracket assembly 63 is also fixedly installed on the connecting sheet metal assembly 61 through bolts, and a cushion micro switch 64 is installed on the connecting sheet metal assembly 61.

[0057] The cushion micro switch 64 has a built-in sensor that controls by recognizing the limiting stop points of the lower slide rail in the lower slide rail assembly 7. When the seat moves backward and hits an obstacle, the cushion micro switch 64 receives a signal, and the seat automatically stops the forward and backward electric adjustment. The seat adjustment is more intelligent, and the safety of the seat is also improved.

[0058] Referring to Figure 12 and Figure 13 As shown, the lower slide rail assembly 7 includes an electric left slide rail 71 and an electric right slide rail 72, and a horizontal bracket assembly 73 is installed on the electric left slide rail 71 and the electric right slide rail 72.

[0059] The electric right slide rail 72 and the electric left slide rail 71 drive the seat to move forward and backward. The electric left slide rail 71 includes an outer slide rail and an inner rail slidingly connected to the outer slide rail. Considering that the seat belt is subjected to a large lateral force, the electric left slide rail 71 increases the upper and lower hoop structures and adopts a reversed hook structure of the upper and lower hoops to increase the strength of the slide rail and prevent the inner rail from disengaging. The upper hoop is fixed on the inner rail and is locked with the bracket assembly 6 through a welded bolt on the inner rail. The lower hoop is fixed on the outer rail of the slide rail and is fixed by two front and rear rivets.

[0060] Referring to Figure 14 , Figure 15 and Figure 18As shown, the leg rest assembly 8 comprises a leg rest mounting assembly 81, a leg rest memory motor 82 mounted on the leg rest mounting assembly 81, a leg rest connecting rod a 83 rotatably connected to the leg rest mounting assembly 81, a leg rest connecting rod b 84 rotatably connected to the leg rest connecting rod a 83, a leg rest connecting rod c 85 movably connected between the leg rest connecting rod b 84 and the leg rest mounting assembly 81, a leg rest connecting rod d 86 rotatably connected to the leg rest connecting rod c 85, a leg rest connecting rod e 87 rotatably connected to the leg rest connecting rod d 86, a sliding assembly 88 mounted on the leg rest connecting rod e 87, and a hanging steel wire 89 fixed to the sliding assembly 88.

[0061] The leg rest connecting rod a 83, the leg rest connecting rod b 84, the leg rest connecting rod c 85, the leg rest connecting rod d 86 and the leg rest connecting rod e 87 form a connecting rod mechanism, the leg rest memory motor 82 mounted on the leg rest mounting assembly 81 drives the connecting rod mechanism, the leg rest mounting assembly 81 is fixed to the front end of the lifting assembly 31 of the seat frame assembly 3 and can move upward together with the seat pan assembly 2 through bolt locking, the leg rest connecting rods are fixed through rivets, the mounting holes are provided with bushings, the connecting rods can rotate freely around the rivets without noise, two circular tubes on the leg rest mounting assembly 81 are used to increase the lateral stiffness and strength, the front end of the leg rest adopts an integral sheet metal structure to increase the support and strength of the leg rest, and the leg rest mounting assembly 81 is provided with mounting holes for mounting wire harness buckles and plastic parts.

[0062] Working principle: under the driving of the memory module program, the seat can realize the following modes:

[0063] One-key zero-gravity mode, that is, one-key lying mode, which is convenient for passengers to sleep.

[0064] One-key reset mode, which adjusts the seat to the designed position state, and is convenient for passengers to get up and also convenient for passengers in the rear row to get in.

[0065] Small rest mode, which is controlled through microswitch limiting, adjusts the backrest angle and the slide rail position to the best comfortable position.

[0066] Conversation mode or conference mode, through one-key side sliding of the lateral slide rail, the seat can slide outward and inward at the same time, the minimum gap between the left and right seats is only 10 mm, the space distance between the left and right passengers is reduced, and the purpose of close-range communication is achieved.

[0067] The above embodiments only express one or several embodiments of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the present application. It should be noted that, for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A seat frame system with multi-posture adjustment, comprising a backrest assembly (1), characterized in that: The seat frame system further comprises a seat frame assembly (3) mounted on the backrest assembly (1), and the basin seat assembly (2) is mounted on the seat frame assembly (3) through bolts; The seat frame assembly (3) is provided with a side slide rail assembly (5) for controlling the left and right stroke of the seat, and the seat frame assembly (3) is provided with a slide rail anti-falling assembly (4) for strengthening the strength of the side slide rail assembly (5); The side slide rail assembly (5) is externally provided with a bracket assembly (6) for limiting the moving stroke of the seat, and the bracket assembly (6) and the side slide rail assembly (5) are provided with a lower slide rail assembly (7) for controlling the forward and backward stroke of the seat. The seat frame assembly (3) is provided with a leg support assembly (8).

2. A seat frame system with multi-posture adjustment according to claim 1, characterized in that: The backrest assembly (1) comprises a backrest frame (11) and a vibration absorber (12) fixedly mounted on the backrest frame (11), a rotating assembly (13) is mounted on the backrest frame (11), a backrest micro switch (14) is further provided on the backrest frame (11), a transmission shaft (17) is mounted in the direction of the rotating axis of the backrest frame (11), a clamping spring (15) is provided on the backrest frame (11) to fix the transmission shaft (17) and prevent the shaft from moving left and right, and an angle adjustment memory motor (16) is mounted on the backrest frame (11).

3. A seat frame system with multi-posture adjustment according to claim 2, characterized in that: The vibration absorber (12) comprises a mounting bracket (122) fixed on the backrest frame (11), a damping pad (123) mounted on the mounting bracket (122), a rubber plug (124) mounted on the mounting bracket (122), and a counterweight (121) fixed on the rubber plug (124) and the damping pad (123).

4. The seat frame system with multi-posture adjustment of claim 1, wherein: The basin seat assembly (2) comprises a basin seat frame (21), a massage support (22) fixed on the basin seat frame (21), a wire harness support (23) for mounting wires fixed on the basin seat frame (21), leg support steel wires (24) fixed on both sides of the basin seat frame (21), a basin seat fixing steel wire (25) fixed on the front side of the basin seat frame (21), and a reinforcing steel wire (26) fixed on the basin seat fixing steel wire (25).

5. The seat frame system with multi-posture adjustment of claim 1, wherein: The seat frame assembly (3) comprises a fixed assembly (33) fixedly connected with the backrest frame (11), a rear connecting rod assembly (32) mounted on the fixed assembly (33), a lifting assembly (31) rotatably mounted on the fixed assembly (33), and a lead screw transmission assembly (34) for driving the lifting assembly (31) to rotate; The lifting assembly (31) is movably connected with the front linkage piece (35) and the rear linkage piece (36) rotatably connected with the lifting assembly (31).

6. The seat frame system with multi-posture adjustment of claim 1, wherein: The slide rail anti-falling assembly (4) comprises an anti-falling support (41), two groups of tail connecting support steel wires (42) fixed on the anti-falling support (41), and a connecting support (43) fixed on the anti-falling support (41).

7. The seat frame system with multi-posture adjustment of claim 1, wherein: The side slide rail assembly (5) comprises a side slide front end electric rail (51), a side slide rear end electric rail (52) slidably connected with the side slide front end electric rail (51), a side slide support assembly (53) fixedly mounted on the side slide rear end electric rail (52), and a module support assembly (54) mounted on the side slide support assembly (53) through bolts.

8. The seat frame system with multi-posture adjustment of claim 1, wherein: The bracket assembly (6) includes a connecting sheet metal assembly (61), the rear support assembly (62) is fixed on the connecting sheet metal assembly (61) through bolts, the front support assembly (63) is also fixed on the connecting sheet metal assembly (61) through bolts, and the cushion microswitch (64) is installed on the connecting sheet metal assembly (61).

9. The seat frame system with multi-posture adjustment of claim 1, wherein: The lower slide rail assembly (7) includes an electric left slide rail (71) and an electric right slide rail (72), and the horizontal support assembly (73) is installed on the electric left slide rail (71) and the electric right slide rail (72).

10. The seat frame system with multi-posture adjustment of claim 1, wherein: The leg support assembly (8) includes a leg support mounting assembly (81), the leg support memory motor (82) is installed on the leg support mounting assembly (81), the leg support connecting rod a (83) is rotatably connected to the leg support mounting assembly (81), the leg support connecting rod b (84) is rotatably connected to the leg support connecting rod a (83), the leg support connecting rod c (85) is movably connected between the leg support connecting rod b (84) and the leg support mounting assembly (81), the leg support connecting rod d (86) is rotatably connected to the leg support connecting rod c (85), the leg support connecting rod e (87) is rotatably connected to the leg support connecting rod d (86), the sliding assembly (88) is installed on the leg support connecting rod e (87), and the hanging tight steel wire (89) is fixed on the sliding assembly (88).

Images