CN221179901U - Large-angle lying mechanism for massage chair frame - Google Patents

Abstract

The utility model relates to the technical field of massage equipment, in particular to a large-angle lying mechanism for a massage chair frame, which comprises a chair frame body, wherein the chair frame body comprises a seat frame, a leaning frame, an underframe and a lower leg frame, the seat frame comprises a seat cushion frame and a fixing frame, a lying mechanism for enabling the leaning frame to lie upside down along one end of the seat cushion frame is arranged between the seat cushion frame and the fixing frame, the lying mechanism comprises at least two obliquely arranged supporting frames fixedly arranged between the seat cushion frame and the underframe, a reinforcing rod is arranged between adjacent supporting frames, arc-shaped rack plates are fixedly arranged on the seat cushion frame, the reinforcing rod and the supporting frame close to one side of the leaning frame, a rack is arranged on one side of the arc-shaped rack plates far away from the leaning frame, an extension rod is arranged on the leaning frame in an extending mode towards the direction of the rack, and a driving mechanism meshed with the rack is arranged on the top of the extension rod to enable the leaning frame to lie upside down. The beneficial effects of the utility model are as follows: the lying mechanism is adopted to enable the backrest frame to lie in a large angle, so that the cushion frame and the backrest frame can lie in a negative angle.

Description

Large-angle lying mechanism for massage chair frame

Technical Field

The utility model relates to the technical field of massage equipment, in particular to a large-angle lying mechanism for a massage chair frame.

Background

With the continuous improvement of the living standard of people, the competition of the market is more and more vigorous, a plurality of office workers are in a high-load working state, lack of sports forgings and the body of the office workers are gradually in a sub-health state, and the appearance of the massage armchair brings good news to sub-health people, so that the massage armchair in the prior market has various varieties and tends to be diversified in functions. Some massage chairs can realize the forward movement of the chair and the falling of the backrest, but the two driving parts are required to be respectively and independently driven, so that the whole structure of the massage chair becomes complex and the production cost is high.

The prior utility model patent CN217793733U specifically provides a massage armchair frame, which comprises a base frame component, a seat frame component, a backrest frame component and a push rod component; the seat frame assembly and the backrest frame assembly are respectively connected with the base frame assembly in a sliding manner; the backrest frame assembly is rotationally connected with the seat frame assembly; the push rod assembly comprises a guide rod and a push rod sliding block, the push rod sliding block slides on the guide rod, the guide rod is arranged on the base frame assembly, and the push rod sliding block is hinged with the seat frame assembly. According to the massage chair frame, the backrest frame assembly is rotationally connected with the seat frame assembly, and can be driven by one push rod assembly together with the seat frame assembly, so that the backrest frame assembly is not contacted with a wall body when being laid down, the use safety of the massage chair frame is improved, and the use space is saved; compared with the independent driving of the backrest frame assembly and the seat frame assembly, the production cost is reduced, the massage chair frame structure is simpler, and the operation is more convenient and quick.

However, the seat cushion frame and the backrest frame cannot be completely laid down or even laid down at a negative angle, and the use of the seat cushion frame and the backrest frame is not comfortable for users.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a large-angle lying mechanism for realizing the negative angle between a cushion frame and a backrest frame by adopting the lying mechanism to lie over the backrest frame in a large angle aiming at the defects of the prior art.

In order to achieve the above purpose, adopt following technical scheme, a wide-angle lying mechanism for massage armchair frame, including the chair frame body, the chair frame body is including sitting the frame, lean on frame, chassis and shank frame, sit the frame and include seat cushion frame and mount, lean on the frame rotation and locate cushion frame one end, the shank frame rotates and locates the cushion frame other end, be equipped with between cushion frame and the mount and make the frame lie along the lying mechanism that cushion frame one end was stood down, lying mechanism (including fixing the support frame that locates at least two slopes between seat cushion frame and the mount, be equipped with the stiffening rod between the adjacent support frame, the arc rack board is fixed to be equipped with on the support frame that is close to leaning on frame one side, the arc rack board is kept away from leaning on the frame one side and is equipped with the rack, lean on the frame towards rack direction extension and be equipped with the extension rod, extension rod top is equipped with the actuating mechanism that realizes leaning on the frame to lie down and stand up with the rack meshing.

By adopting the technical scheme, the driving mechanism realizes that the leaning frame rotates around one end of the cushion frame by using the meshing of the gear and the rack, so that lying or standing is realized, and as the extension rod is arranged and the top of the extension rod is meshed with the arc-shaped rack plate, different supine states can be presented at different rack positions of the arc-shaped rack plate, when the driving gear walks to the higher position of the arc-shaped rack plate, the leaning frame and the sitting frame are in a parallel state, the human body is in a lying state, when the driving gear walks to the highest position of the arc-shaped rack plate, the leaning frame and the sitting frame are in a negative angle state, the human body can be stretched, the human body is recumbent on the massage chair at the moment, the extension rod is arranged, the driving mechanism can only enable the leaning frame to rotate at the negative angle, and when the driving gear walks to the lowest position of the arc-shaped rack plate, the leaning frame is in a standing state at the moment, the human body is in a sitting state at the moment, and the gear and the leaning frame can also be driven to adjust different angles to change different postures of the human body.

A wide angle recline mechanism for a massage chair frame, further configured to: the seat frame is characterized in that a seat frame driving piece is rotationally connected between the seat frame and the underframe, the seat frame driving piece drives the seat frame to slide back and forth on the underframe, first idler wheels for the seat frame to slide on the underframe are arranged at two ends of the fixing frame, limiting blocks are arranged on the upper protrusions of the underframe, limiting blocks which are arranged on the faces of the seat frame in a protruding mode are arranged on limiting blocks which are propped against the fixing frame and limit the sliding direction of the seat frame, and second idler wheels which are pressed down on the fixing frame in a rolling mode are further rotationally arranged above one faces of the limiting blocks.

By adopting the technical scheme, the seat frame driving piece adopts the form of the electric push rod, the seat frame slides on the underframe when the electric push rod pushes or retracts, the position of the seat cushion can be changed when the seat frame slides, so that the whole massage chair frame is more comfortable to support a human body, the support performance is better, the seat frame can slide on the underframe through the first roller, the limit sliding block and the seat cushion frame prop against one surface to be a sliding surface, the sliding of the seat frame on the underframe cannot be influenced, the shape of the seat cushion frame is in a shape of a 'mouth', the first roller is respectively arranged at four corners of the fixing frame, the whole seat frame also slides back and forth through the first roller, meanwhile, the seat frame can only slide back and forth to change the position of the seat frame due to the setting of the limit sliding block, so that the lying posture is more comfortable, the second roller is arranged to be two ends respectively propped against one rod of the fixing frame, the second roller is used for preventing one end of the seat frame from tilting, and meanwhile, the sliding of the seat frame on the underframe is not influenced, and the sliding on the underframe is more stable.

A wide angle recline mechanism for a massage chair frame, further configured to: the driving mechanism comprises a double-headed motor, output shafts respectively arranged at the two ends of the leaning frame in a rotating mode are arranged on the double-headed motor, driving gears meshed with racks of the arc-shaped rack plates are arranged at the two ends of the output shafts, and connecting flanges are further arranged at the connecting ends of the output shafts and the extension rods.

By adopting the technical scheme, the driving mechanism is a double-headed motor, compared with a single-headed motor, the output force is larger, meanwhile, the two ends of the driving mechanism can be fixed on the seat frame, the connection is more stable, the output end of the driving mechanism is a rotating shaft, the two ends of the rotating shaft are driving gears, and the connecting flange is used for enabling the rotating shaft of the driving mechanism to rotate and simultaneously limiting the rotating shaft on the seat frame so as to drive the seat frame to stand up or lie down, and meanwhile, due to the arrangement of the extension rod, the seat frame can realize the lying down of a negative angle.

A wide angle recline mechanism for a massage chair frame, further configured to: the leaning frame is rotatably arranged at one end of the sitting frame and is provided with a rotating shaft sleeve, and a leaning frame fixing piece for preventing the rotating shaft sleeve from rotating and slipping is arranged outside the rotating shaft sleeve.

By adopting the technical scheme, the leaning frame fixing piece can not limit the rotation of the rotating shaft sleeve, meanwhile, the leaning frame can rotate along the point, so that the leaning frame can be erected or laid down, meanwhile, the leaning frame fixing piece is fixed on the sitting frame through bolts, so that the rotating shaft sleeve can be prevented from slipping when rotating, the leaning frame can be effectively prevented from being damaged when rotating, and the safety of the massage chair frame is improved.

A wide angle recline mechanism for a massage chair frame, further configured to: the utility model discloses a seat cushion frame, including seat cushion frame, lower leg drive assembly is equipped with the lower leg drive assembly between lower leg frame and the seat cushion frame, lower leg drive assembly includes that one end rotates the lower leg push arm of locating on the seat cushion frame, and lower leg push arm keeps away from rotating and locates seat cushion frame one end rotation and be equipped with the lower leg gyro wheel that offsets with lower leg frame roll, lower leg push arm is equipped with the hinge piece that the orientation fixing frame direction is protruding to be set up between seat cushion frame and lower leg gyro wheel, rotates between hinge piece and the fixing frame and is equipped with lower leg electric putter, and lower leg electric putter drives lower leg push arm rotation and makes lower leg gyro wheel roll lift whereabouts lower leg frame.

By adopting the technical scheme, the electric shank pushing rod also slides along with the sliding of the seat frame, so when the electric shank pushing rod pushes the shank frame away from the original front end to the rear end, the seat frame also slides to the rear end from the original front end, so that the opening angle is larger, meanwhile, when the seat frame is in a parallel state with the seat frame and the seat frame, the lying posture of a human body is more comfortable, meanwhile, the electric shank pushing rod also pushes the shank pushing arm to enable the shank frame to be completely opened, compared with the electric shank pushing rod which directly pushes the shank frame to be larger in the opening angle, the shank pushing arm can gradually prop open the shank frame through the shank roller, when the shank roller gradually moves towards the seat frame from the shank frame, the shank roller gradually moves towards the shank frame from the seat frame, the shank frame descends at the moment, and when the shank roller gradually moves towards the shank frame, the shank frame can be parallel with the seat frame and the seat frame when the shank frame is in the negative angle, so that the shank frame can be in a lying posture of the human body is realized, and the human body can be in a sitting posture when the shank frame is in a normal descending state.

A wide angle recline mechanism for a massage chair frame, further configured to: the lower leg frame is concavely provided with a rolling groove for axially rolling the lower leg roller towards one surface of the underframe.

By adopting the technical scheme, the roller can effectively slide in the rolling groove, the sliding state is difficult to occur, the rolling groove plays a role in limiting the rolling direction of the roller, and meanwhile, the electric shank push rod can be partially immersed in the rolling groove, so that the roller is not required to be pushed to the bottom completely, the shank frame can be completely opened, the opening angle is larger, and the user can feel more comfortable when lying down.

A wide angle recline mechanism for a massage chair frame, further configured to: the seat frame is provided with a shank fixing seat for rotating the shank frame and the seat frame rotating end, and a shank fixing cover for limiting the shank frame and the seat frame rotating end to rotate in the shank fixing seat is fixed above the shank fixing seat through bolts.

By adopting the technical scheme, the rotation of the lower leg frame is more stable and is not easy to loosen by limiting the rotation end of the lower leg frame and the rotation end of the sitting frame between the lower leg fixing seat and the lower leg fixing frame, the lower leg frame can be completely detached by directly detaching the lower leg fixing cover, the disassembly and the assembly are convenient, the lower leg fixing cover can be arranged on the lower leg fixing frame through one-section rotation, the other end of the lower leg fixing cover is fixed by bolts, and the disassembly and assembly efficiency is improved.

The utility model is described in further detail below with reference to the drawings and examples.

Drawings

Fig. 1 is a perspective view of an embodiment of the present utility model.

Fig. 2 is a schematic view of the explosive state of fig. 1 with the lower leg rest, the lower leg electric putter and the seat frame driving member removed.

Fig. 3 is an enlarged view of a portion a in fig. 2 according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of the seat frame in fig. 2 according to an embodiment of the present utility model.

Fig. 5 is a schematic structural view of the chassis in fig. 2 according to an embodiment of the present utility model.

Fig. 6 is a schematic view of the calf drive assembly of fig. 1 in accordance with an embodiment of the utility model.

Fig. 7 is a schematic view of the structure of the backrest of fig. 1 after being reclined in accordance with an embodiment of the present utility model.

Fig. 8 is a schematic view of the back structure of the reclining and calf support of fig. 1 lifted according to an embodiment of the present utility model.

In the figure: 1. a chair frame body; 2. a sitting frame; 3. a leaning frame; 4. a chassis; 5. a lower leg rest; 6. a cushion frame; 7. a fixing frame; 8. a support frame; 9. a reinforcing rod; 11. a first roller; 12. a limiting block; 13. a limit sliding block; 14. a second roller; 20. a lying mechanism; 21. arc rack plate; 22. a driving mechanism; 23. a drive gear; 24. a connecting flange; 25. a rack; 26. a double-ended motor; 27. an output shaft; 28. an extension rod; 30. a seat frame driving member; 31. rotating the shaft sleeve; 32. a rest fixing piece; 41. a shank fixing seat; 42. a shank fixing cover; 50. a lower leg drive assembly; 51. a lower leg pushing arm; 52. a hinge block; 53. electric pushing rod for shank; 54. a rolling groove; 55. a calf roller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: the large-angle lying mechanism for the massage armchair frame shown in figures 1-8 comprises a chair frame body 1, and comprises a chair frame body, wherein the chair frame body comprises a sitting frame 2, a leaning frame 3, an underframe 4 and a lower leg frame 5, the sitting frame 2 comprises a sitting cushion frame 6 and a fixing frame 7, the leaning frame 3 is rotationally arranged at one end of the sitting cushion frame 6, the lower leg frame 5 is rotationally arranged at the other end of the sitting cushion frame 6, rotating ends of the leaning frame 3 and the cushion frame 6 are provided with rotating shaft sleeves 31, the rotating shaft sleeves 31 are externally provided with leaning frame fixing pieces 32 for preventing the rotating shaft sleeves 31 from rotating and slipping, a sitting frame driving piece 30 is rotationally connected between the sitting frame 2 and the underframe 4, the sitting frame driving piece 30 drives the sitting frame 2 to slide on the underframe 4 back and forth, two ends of the fixing frame 7 are provided with first idler wheels 11 for the sitting frame 2 to slide on the underframe 4, the underframe 4 is convexly provided with limiting blocks 12, the limiting block 12 is provided with a limiting slide block 13 protruding towards one side of the fixed frame 7 and propping against the fixed frame 7 to limit the sliding direction of the seat frame 2, the second roller 2 rolling downwards on the fixed frame 7 is also arranged above one side of the limiting block 12 provided with the limiting slide block 13 in a rotating way, the seat frame 2 can slide on the underframe 4 through the first roller 11, one side of the limiting slide block 13 propping against the seat frame 2 is a sliding surface, the sliding of the seat frame 2 on the underframe 4 is not influenced, the seat cushion frame 6 is shaped like a Chinese character 'kou', the first roller 11 is respectively arranged at four corners of the seat cushion frame 6, the whole seat frame 2 can slide forwards and backwards through the first roller 2, meanwhile, the seat frame 2 can slide forwards and backwards only due to the arrangement of the limiting slide block 13, the position of the seat frame 2 is changed, so that the lying posture is more comfortable, the second roller 14 is arranged to prop against two ends of one rod of the seat cushion frame 6 respectively, the second roller 14 is used for preventing one end of the seat frame 2 from tilting when sliding, and meanwhile, the sliding of the seat frame 2 on the bottom frame 4 is not affected, so that the sliding of the seat frame 2 on the bottom frame 4 is more stable.

As shown in fig. 1-3, a lying mechanism 20 for enabling the leaning frame 3 to lie and stand upside down along one end of the sitting frame 2 is arranged between the cushion frame 6 and the fixed frame 7, the lying mechanism 20 comprises at least two obliquely arranged supporting frames 8 fixedly arranged between the cushion frame 6 and the fixed frame 7, a reinforcing rod 9 is arranged between adjacent supporting frames 8, arc-shaped rack plates 21 are fixedly arranged on the cushion frame 6, the reinforcing rod 9 and the supporting frames 8 near one side of the leaning frame 3, a rack 25 is arranged on one surface of the arc-shaped rack plates 21 far away from the leaning frame, an extension rod 28 extends towards the rack 25, a driving mechanism 22 meshed with the rack 25 is arranged at the top of the extension rod 28 to enable the leaning frame 3 to lie upside down, The driving mechanism 22 comprises a double-headed motor 26, an output shaft 27 which is respectively arranged on the double-headed motor 26 in a rotating way and penetrates through two ends of the leaning frame 3, a driving gear 23 which is meshed with a rack 25 of the arc rack plate 21 is arranged on two ends of the output shaft 27, a connecting flange 24 is also arranged at the connecting end of the output shaft 27 and the leaning frame 3, the double-headed motor 22 drives the output shaft 27 to rotate, the output shaft 27 drives the driving gear 23 to walk on the rack 25 of the arc rack plate 21, the leaning frame 3 rotates around one end of the sitting frame 2 to realize lying or standing, and the driving gear 23 rotates and then rotates on the rack 25 of the arc rack plate 21, Therefore, when the driving gear 23 walks to the higher position of the arc rack plate 21, the leaning frame 3 and the sitting frame 2 are in parallel, and the human body is in a lying position, as shown in figure 7, when the driving gear 23 walks to the highest position of the arc rack plate 21, the leaning frame 3 and the sitting frame 2 are in a negative angle state, and the lower leg is not moved, and the upper body of the human body can be stretched and laid at a negative angle, and because the extension rod 28 is arranged, the extension rod 28 can be integrally formed by subsequent splicing and welding, and the like, the driving mechanism 22 can drive the leaning frame to lie at a negative angle, When the driving gear 23 walks to the lowest position of the arc rack plate 21, the leaning frame 3 is in an upright state, the human body is in a sitting position, the driving gear 23 can drive the leaning frame 3 to adjust different angles to change different postures of the human body through rotation, the support is better, the connecting end of the output end of the driving mechanism 22 and the leaning frame 3 is also provided with a connecting flange 24, a sitting frame driving piece 30 is rotationally connected between the sitting frame 2 and the bottom frame 4), the sitting frame driving piece 30 drives the sitting frame 2 to slide on the bottom frame 4 forwards and backwards, as shown in figure 8, when the sitting frame 2 is pushed by the sitting frame driving piece 30 to push from the front part of the bottom frame 4 to the rear part of the bottom frame 4, The sitting frame 2 is changed from supporting the buttocks of a human body to supporting the thighs of the human body, the lower leg frame 5 is lifted synchronously, the human body is recumbent on the massage armchair at the moment and is in a completely lying state, meanwhile, the sitting frame driving piece 30 also adopts the form of an electric push rod, the sitting frame 2 slides on the underframe 4 when the electric push rod pushes or retracts, the position of a cushion can be changed when the sitting frame 2 slides, so that the whole massage armchair frame is more comfortable for supporting the human body, the sitting frame 2 is provided with a lower leg fixing seat 41 for the rotation of the lower leg frame 5 and the rotation end of the sitting frame 2, a lower leg fixing cover 42 for limiting the rotation ends of the lower leg frame 5 and the cushion frame 6 in the lower leg fixing seat 41 is fixed above the lower leg fixing seat 41 through bolts, Foot pads are fixed at the corners of one surface of the underframe 4 far away from the seat frame 2 through bolts, movable wheels are rotatably arranged at one end of the underframe 4 far away from the lower leg frame 5, a lower leg driving assembly 50 for driving the lower leg frame 5 to rotate is rotatably arranged between the lower leg frame 5 and the seat frame 2, and the lower leg driving assembly 50 also slides together along with the sliding of the seat frame 2 because the lower leg frame 5 is connected with the seat frame 2 through the lower leg driving assembly 50, meanwhile, the lower leg frame 5 can be rotationally lifted or rotationally lowered, a lower leg pushing arm 51 is rotatably arranged at one end of the seat cushion frame far away from the seat cushion frame, a lower leg roller 55 which is in rolling contact with the lower leg frame is rotatably arranged at one end of the seat cushion frame, a hinge block 52 which is convexly arranged towards the direction of the fixing frame 7 is arranged between the seat cushion frame and the lower leg roller 55, A lower leg electric push rod 53 is rotatably arranged between the hinging block 52 and the fixed frame 2, the lower leg electric push rod 53 drives the lower leg push arm 51 to rotate and enables the lower leg roller 55 to roll to lift and lower the lower leg frame 5, the lower leg electric push rod 53 also slides along with the sliding of the seat frame 2, therefore, when the lower leg electric push rod 53 pushes away the lower leg frame 5, the seat frame 2 also slides from the original front end to the rear end, so that the opening angle is larger, simultaneously, when the leaning frame 3 and the seat frame 2 are at a negative angle, the lower leg frame 5, the seat frame 2 and the leaning frame 3 are in a parallel state, the lying state of a human body is more comfortable, simultaneously, the lower leg electric push rod 53 also enables the lower leg roller 55 to roll and push the lower leg frame 5 to be completely opened by pushing the lower leg push arm 51, Compared with the way of directly pushing the lower leg frame 5 to open at a larger angle and simultaneously opening more flexibly, the lower leg frame 5 is provided with a rolling groove 54 concavely arranged on one surface facing the underframe 4 for axially rolling the lower leg roller 55, the rolling groove 54 can enable the opening angle of the lower leg frame 5 to be larger so that partial lower leg pushing arms 51 extend into the rolling groove 54 when the leaning frame 3 and the sitting frame 2 are at a negative angle, meanwhile, the rolling groove 54 can limit the axial moving direction of the lower leg frame 5 so as not to be easy to deviate, simultaneously, only the lower leg roller 55 can realize the purpose that the lower leg pushing arms 51 prop open the lower leg frame 5 and enable the lower leg frame 5 to be parallel with the sitting frame 2 and the leaning frame 3 when the leaning frame 3 and the sitting frame 2 are at a negative angle, Thereby the human body is in a recumbent state.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be stably included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a wide-angle creeper mechanism for massage armchair frame, includes chair frame body (1), and chair frame body (1) is including sitting on frame (2), lean on frame (3), chassis (4) and shank frame (5), sitting on frame (2) include cushion frame (6) and mount (7), lean on frame (3) rotation to locate cushion frame (6) one end, shank frame (5) rotation are located cushion frame (6) other end, its characterized in that: the cushion frame (6) and mount (7) between be equipped with and make lean on frame (3) lie along lying mechanism (20) that frame (6) one end was stood upside down, lying mechanism (20) are including fixed support frame (8) that locate at least two slopes between cushion frame (6) and mount (7), are equipped with stiffening rod (9) between adjacent support frame (8), fixed arc rack board (21) that are equipped with on cushion frame (6), stiffening rod (9) and support frame (8) that are close to lean on frame (3) one side, arc rack board (21) keep away from lean on frame (3) one side and are equipped with rack (25), lean on frame (3) orientation extension towards rack (25) direction and be equipped with extension rod (28), extension rod (28) top be equipped with rack (25) meshing realize lean on frame (3) and lie down actuating mechanism (22).

2. A high angle recline mechanism for a massage chair frame, as set forth in claim 1, wherein: the novel multifunctional sitting frame is characterized in that a sitting frame driving piece (30) is rotationally connected between the sitting frame (2) and the underframe (4), the sitting frame driving piece (30) drives the sitting frame (2) to slide back and forth on the underframe (4), first rollers (11) for the sitting frame (2) to slide on the underframe (4) are arranged at two ends of the fixing frame (7), limiting blocks (12) are arranged on the upper protrusions of the underframe (4), limiting blocks (13) which are abutted against the fixing frame (7) and limit the sliding direction of the sitting frame (2) are arranged on the protrusions of one face of the limiting blocks (12), and second rollers (2) which are rolled and pressed down on the fixing frame (7) are rotationally arranged above one face of the limiting blocks (12).

3. A high angle recline mechanism for a massage chair frame, as set forth in claim 1, wherein: the driving mechanism (22) comprises a double-headed motor (26), an output shaft (27) which rotates to penetrate through the top of the extension rod (28) is arranged on the double-headed motor (26), driving gears (23) meshed with racks (25) of the arc-shaped rack plates (21) are arranged at two ends of the output shaft (27), and a connecting flange (24) is further arranged at the connecting end of the output shaft and the extension rod (28).

4. A high angle recline mechanism for a massage chair frame in accordance with claim 3 wherein: the leaning frame (3) is rotatably arranged at one end of the sitting frame (2) and is provided with a rotating shaft sleeve (31), and a leaning frame fixing piece (32) for preventing the rotating shaft sleeve (31) from rotating and slipping is arranged outside the rotating shaft sleeve (31).

5. A high angle recline mechanism for a massage chair frame, according to any one of claims 1-4, wherein: the utility model provides a seat cushion is characterized in that a shank driving component (50) is arranged between a shank frame (5) and a seat frame (2), the shank driving component (50) comprises a shank pushing arm (51) which is rotationally arranged on the seat cushion frame (6) at one end, a shank idler wheel (55) which is rotationally arranged at one end of the seat cushion frame (6) and is rotationally abutted against the shank frame (5) is rotationally arranged at the other end of the shank pushing arm (51), a hinging block (52) which is convexly arranged towards the direction of a fixing frame (7) is arranged between the seat cushion frame (6) and the shank idler wheel (55) at the shank pushing arm (51), a shank electric push rod (53) is rotationally arranged between the hinging block (52) and the fixing frame (2), and the shank electric push rod (53) drives the shank pushing arm (51) to rotate and enables the shank idler wheel (55) to roll to fall down the shank frame (5).

6. A high angle recline mechanism for a massage chair frame in accordance with claim 5 wherein: the lower leg frame (5) is concavely provided with a rolling groove (53) for axially rolling the lower leg roller (55) towards one surface of the underframe (4).

7. A high angle recline mechanism for a massage chair frame in accordance with claim 5 wherein: the seat cushion frame (6) is provided with a shank fixing seat (41) for rotating the shank frame and the rotating end of the seat frame (2), and a shank fixing cover (42) for limiting the shank frame (5) and the rotating end of the seat frame (2) to rotate in the shank fixing seat (41) is fixed above the shank fixing seat (41) through bolts.