CN111358656A

CN111358656A - Massage movement traveling mechanism and massage chair frame

Info

Publication number: CN111358656A
Application number: CN201811596320.2A
Authority: CN
Inventors: 王建辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2020-07-03

Abstract

The invention relates to a massage machine core walking mechanism and a massage chair frame, which have the main structure that a track is divided into a backrest section and a cushion section, the backrest section and the cushion section are hinged through a hinge shaft, and the included angle between the backrest section and the cushion section can be adjusted to be continuously changed in a sitting state and a lying state; a driving wheel and a gear are arranged at one end of the massage machine core facing the backrest, the driving wheel is lapped on the track, and the gear is meshed with a rack locked on the backrest section and drives the massage machine core to move; the backrest frame is arranged on one side of the backrest section of the track, the seat cushion frame is arranged on one side of the seat cushion section, the backrest section or the backrest frame is movably positioned on the bottom frame, and the angle is adjusted by driving of the electric push rod, so that the backrest frame and the seat cushion frame are continuously switched from the sitting posture to the lying posture; the massage chair frame matched with the sectional type track adopts the arc-shaped groove track to be matched with the rollers on the two sides of the bottom frame, so that the zero gravity state can be simulated and the function of forward movement of the backrest can be realized in the process from the sitting posture to the lying posture; the whole structure is simple, and the adjustment requirement of the massage chair frame can be met only by one electric push rod.

Description

Massage movement traveling mechanism and massage chair frame

The technical field is as follows:

the invention belongs to the field of massage equipment, and particularly relates to a massage machine core walking mechanism and a massage chair frame, in particular to a massage machine core capable of continuously walking on a sectional type track.

Background art:

the existing massage chairs are classified from the walking range of a massage machine core, and are roughly divided into a split type and a conjoined type, the massage machine cores on a backrest frame and a cushion frame are separately arranged and can only walk in respective areas, and the massage chair has the advantages that the included angle between the backrest frame and the cushion frame can be adjusted, smooth adjustment from sitting to lying is completed, and the massage chair is very comfortable; the backrest frame and the cushion frame of the back rest chair are penetrated through by an L-shaped or S-shaped track, and a massage machine core can walk on the L-shaped or S-shaped track in the whole course to complete continuous massage on the back and the buttocks, so that the back rest chair has the advantage of low cost.

As in patent application No.: 201220205888 discloses a massage armchair back of chair sliding construction, including back of the chair, seat support, chassis and seat support mount, back of the chair bottom both sides are equipped with the slide rail respectively, and seat support mount both sides are equipped with preceding gyro wheel and back guide roller respectively, preceding gyro wheel and back guide roller cooperate with the slide rail, form the support to the back of the chair to the inclination is adjusted along slide rail arc orbit to the permission. The technology is through setting up the slide rail in back of the chair bottom both sides and locating the front and back guide roller of seat support mount both sides, the front and back guide roller is installed in the slide rail, when the guide roller moves forward, the seat support mount area seat support moves forward, vacate the space for massage armchair back of the chair downward sloping, when the guide roller moves backward, the seat support mount area chair seat moves backward, until recovering the normal position, can lean on the wall to place when making the massage armchair collect, the arrangement space of massage armchair has been practiced thrift greatly, furthest has utilized the space, and can coordinate with other furniture.

Application No. 201510078338.3 discloses a massage chair with adjustable lying angle, which provides a new idea that a curved rack is fixed on a curved track of a chair back, and a linear track is correspondingly arranged at the lower end of the curved rack and is provided with a linear rack; the linear rack is connected to the curved rack through a rotating shaft, the other end of the linear rack is a free end and is tensioned by a tension spring, and the seamless connection of the racks is kept. However, the track for bearing the massage machine core is not correspondingly disclosed, and how to match the two sections of racks is to eliminate the gap generated during the angle adjustment.

The subsequent improved patent application No. 201710481828.7 discloses a massage chair movement traveling mechanism, which comprises an outer frame consisting of an upper slide rail and a lower slide rail, wherein two ends of the massage mechanism provided with a power device are erected on rail grooves on the inner side of the outer frame, curved racks are laid on the two inner sides of the upper slide rail and the lower slide rail and are hinged with each other, and the side parts of the upper slide rail and the lower slide rail are in an L shape with adjustable angles; the massage machine core transmits the rotating power to the walking gears at two sides through the speed reducing mechanism, and the walking gears are meshed with the curve racks, so that the massage machine core can walk in the outer frame in a reciprocating manner by taking the curve racks as tracks. However, two traveling track grooves must be arranged in the outer frame, and the two-body driven wheels are matched with the two-body driven wheels to travel on the changed L-shaped track. The structure and operation are complex.

How to improve the defects of the prior art and provide a feasible scheme, namely the research object of the invention.

The invention content is as follows:

the invention aims to design a machine core walking mechanism which is provided with a track divided into a backrest section and a cushion section which are mutually hinged, wherein a rack for a massage machine core to walk is locked on the backrest section, and can massage and leg parts when a driving gear of the massage machine core moves to the lower end part of the rack, and a massage chair frame comprising the walking mechanism.

The technical scheme of the invention is realized as follows: the utility model provides a massage core running gear, includes a pair of track and erects the massage core of taking power between two tracks, its characterized in that: the track is divided into a segment structure, which comprises a backrest segment and a cushion segment, wherein the backrest segment and the cushion segment are hinged through a hinge shaft, and the included angle between the backrest segment and the cushion segment can be adjusted to be continuously changed in a sitting state and a lying state; the two cushion sections and the two backrest sections are locked into a whole through a cross beam, and the backrest sections are fixed with racks; a driving shaft driven by power is arranged at one end of the massage machine core facing the backrest, a driven shaft is arranged at one end of the massage machine core facing the seat cushion, a driving wheel and a gear are respectively locked at two ends of the driving shaft, the driving wheel is lapped on the track, and the gear is meshed with the rack to drive the massage machine core to move; driven wheels are respectively locked at two ends of the driven shaft, and the driven wheels are lapped on the track and can walk on the backrest section and the cushion section of the track.

The track is L shape track, and the back section includes the orbital corner circular arc of L shape, and the tangent line part of the orbital corner circular arc of L shape is the cushion section.

The hinge shaft is arranged on the bottom surface of the track and movably hinges the backrest section and the cushion section; or the hinge shaft is arranged on the side surface of the track and movably hinged with the backrest section and the cushion section.

A massage chair frame comprises a backrest frame, a cushion frame, a bottom frame, an electric push rod and the massage machine core walking mechanism; the method is characterized in that: the track is divided into a segment structure, which comprises a backrest segment and a cushion segment, wherein the backrest segment and the cushion segment are hinged through a hinge shaft, and the included angle between the backrest segment and the cushion segment can be adjusted to be continuously changed in a sitting state and a lying state; the two cushion sections and the two backrest sections are locked into a whole through a cross beam, and the backrest sections are fixed with racks; a driving shaft driven by power is arranged at one end of the massage machine core, which faces the backrest, and a driven shaft is arranged at one end of the massage machine core, which faces the cushion, a driving wheel and a gear are respectively locked at two ends of the driving shaft, the driving wheel is lapped on the track, and the gear is meshed with the rack to drive the massage machine core to move; driven wheels are respectively locked at two ends of the driven shaft, and the driven wheels are lapped on the track and can run on a backrest section and a cushion section of the track; the backrest frame is arranged on one side of the backrest section of the track, the cushion frame is arranged on one side of the cushion section, and the backrest section or the backrest frame is movably positioned on the bottom frame and is driven by the electric push rod to adjust the angle.

An arc-shaped groove rail is locked at the lower part of the backrest section of the track, extends to the lower side of the cushion section and can support the cushion section in a lying posture; the two sides of the underframe are inwards provided with rollers in opposite directions, and the rollers are matched with the arc-shaped grooved rails to form movable positioning and supporting for the backrest frame; one end of the electric push rod is jointed on the bottom frame, the other end of the electric push rod is hinged on the backrest frame, and the backrest frame is driven by the electric push rod to move back and forth.

A rear supporting piece is fixed at the lower end part of the backrest section of the track, the rear end part of the cushion frame is movably hinged on the rear supporting piece through a hinge shaft, and the front part of the cushion frame leans against the cushion section of the track or a sliding constraint mechanism is arranged between the cushion frame and the cushion section; the both sides of tip are provided with adjusting roller outwards before the cushion section, and this adjusting roller can contradict on the slope that chassis front end both sides set up in the back section retrogradation process, makes the cushion section is raised to the position of sitting state.

The sliding restraint mechanism arranged between the cushion frame and the cushion section of the track is of one of the following structures: firstly, a backward sliding rod is fixed at the front end of a cushion frame, limiting holes are formed in two sides of a cushion section, and the sliding rod penetrates through the limiting holes to form a left and right constraint structure; second, the cushion frame is hinged with a relevant connecting sheet between the front ends of the two sides of the cushion section, and the relevant connecting sheet forms a left and right constraint structure; thirdly, a telescopic rod is hinged between the cushion frame and the front ends of the two sides of the cushion section, and the telescopic rod forms a left-right constraint structure; and fourthly, a matched groove rail structure is arranged between the cross beam at the front end of the cushion section and the front end of the cushion frame to form a left and right constraint structure.

The back support piece is outwards fixed with a handrail frame, and the front end of the handrail frame is supported and fixed by the front support piece welded on the arc-shaped groove rail.

The hinge shaft refers to the following structure: a shaft, a bolt shaft, a rivet, a hinge shaft, or a ball-end shaft.

The invention skillfully divides the track into a backrest section and a cushion section which are hinged into a whole through a hinge shaft, and can be continuously switched between a sitting posture and a lying posture under the driving of the electric push rod; the massage machine core is provided with a driving wheel and a gear towards one end of the backrest, the massage machine core is driven to reciprocate by means of the engagement of the gear and a rack on the backrest section, and the massage machine core can touch legs only when the gear moves to the lower end part of the rack without considering complex rack connection; the backrest section has one of the advantages that the backrest section comprises an L-shaped track corner arc, and walking is kept smooth without nodes; the massage chair frame matched with the sectional type track adopts the arc-shaped groove track to be matched with the rollers on the two sides of the bottom frame, so that the zero gravity state can be simulated in the process from sitting posture to lying posture adjustment, the function of forward movement of the backrest can be realized, and the phenomenon that a rear object is touched is avoided when the lying state is adjusted; the whole structure is simple, and the adjustment requirement of the massage chair frame can be met only by one electric push rod.

Description of the drawings:

the invention is further illustrated with reference to the following specific figures:

FIG. 1 is a schematic view of the sitting posture state of the walking mechanism of the massage machine core

FIG. 2 is a partially enlarged view of A in FIG. 1

FIG. 3 is a schematic view of the massage movement walking mechanism for resolving the lying posture

FIG. 4 is a partial enlarged view of B in FIG. 3

FIG. 5 is a schematic view of the sitting posture of the massage chair frame

FIG. 6 is an exploded view of the lying posture of the massage chair frame

FIG. 7 is a side view of the massage chair frame in the lying position

FIG. 8 is a schematic diagram of a side view of a massage chair frame

Wherein

1-track 11-backrest section 111-corner arc 112-rear support

113-front support piece 12-cushion section 121-limiting hole 122-adjusting roller

13-beam 14-rack 15-arc groove rail 2-massage machine core

21-chassis 22-massage device 23-walking power 24-driving shaft

241-driving wheel 242-gear 25-driven shaft 251-driven wheel

3-hinge 4-backrest frame 5-cushion frame 51-slide bar

6-underframe 61-roller 62-slope 7-electric push rod

8-armrest frame

The specific implementation mode is as follows:

referring to fig. 1 to 4, the massage machine core walking mechanism comprises a pair of tracks 1 and a massage machine core 2 which is erected between the two tracks and is provided with power, wherein the tracks 1 are of a segmental structure and comprise a backrest section 11 and a seat cushion section 12 which are hinged through a hinge shaft 3, and the included angle between the backrest section and the seat cushion section can be adjusted to be continuously changed in a sitting state and a lying state; the two cushion sections 12 and the two backrest sections 11 are locked into a whole through the cross beam 13, the backrest sections 11 are fixed with racks 14, the racks 14 are locked outside the backrest sections 11, and a rolling track surface for the driving wheel to walk is formed inside the track 1.

Further, the track 1 is an L-shaped track, the backrest section 11 includes a corner arc 111 of the L-shaped track, and a tangent portion of the corner arc 111 of the L-shaped track is the cushion section 12. The backrest section 11 comprises a corner arc, so that the rack 14 has no node, and the massage machine core 2 can move to the corner more smoothly; when the gear 242 of the massage machine core moves to the lower end part of the rack 14, the massage device can be abutted against the leg part, so that the massage to the leg part is realized.

The optimal arrangement scheme of the hinge shaft of the sectional track 1 comprises the following two schemes: firstly, the hinge shaft 3 is arranged on the bottom surface of the track 1, the backrest section 11 and the cushion section 12 are movably hinged, namely, the hinge shaft is directly adopted as the optimum, two sections have wider joints, the optimum hinge effect can be obtained, the dense joint effect can be realized when the adjustment is changed, and the walking resistance of the driving wheel is small. Secondly, the hinge shaft 3 is arranged on the side surface of the track 1 and movably hinges the backrest section 11 and the cushion section 12; that is, the cross part of the side surfaces of the backrest section 11 and the seat cushion section 12 is hinged through the hinge shaft 3, the hinge shaft 3 used here is a rivet, so that the backrest section and the seat cushion section form a hinge structure of the scissors fork, and the hinge point is preferably at a low position, so that the gap when the rail surface is opened can be reduced.

Massage core 2 is prior art, and the key lies in the orientation design of driving shaft, and the tradition is forerunner, and this structure is the rear-guard structure for the gear need not to walk to cushion section 12. The massage machine core 2 comprises a chassis 21, a massage device 22 and walking power 23, wherein the walking power 23 consists of a motor and a worm gear box, and an output shaft of the worm gear box is a driving shaft 24. A driving shaft 24 driven by power is arranged at one end of the massage machine core 2 facing the backrest, a driven shaft 25 is arranged at one end facing the seat cushion, a driving wheel 241 and a gear 242 are respectively locked at two ends of the driving shaft 24, the driving wheel 241 is lapped on the track 1, and the gear 242 is meshed with the rack 14 to drive the massage machine core 2 to move; driven wheels 251 are respectively locked at both ends of the driven shaft 25, and the driven wheels 251 are lapped on the track 1 and can run on the backrest section 11 and the cushion section 12 of the track. That is to say, the front end of the massage machine core 2 can move to the cushion section, and the back end is only arranged on the backrest section, the track 1 is designed in a segmented manner by virtue of the length of the massage machine core 2, so that the requirements of adjusting the sitting posture and the lying posture angle are met, the defect of segmenting the rack is overcome, the massage machine core can be widely applied to an L-shaped or S-shaped track massage chair, the traditional adjustable included angle is changed to be adjustable, the sitting and lying states are ensured to be at a better angle, and the massage device 22 can massage and leg parts.

Referring to fig. 5 to 8, the massage chair frame made of the massage machine core walking mechanism further comprises a backrest frame 4, a cushion frame 5, a bottom frame 6 and an electric push rod 7: the backrest frame 4 is arranged on one side of a backrest section 11 of the track, the cushion frame 5 is arranged on one side of a cushion section 12, the backrest section 11 or the backrest frame 4 is movably positioned on the bottom frame 6, and the angle is adjusted by driving of the electric push rod 7. It should be noted that the present embodiment is mainly constructed by the rail 1, and the backrest frame 4 and the cushion frame 5 are required for positioning the backrest cushion and the cushion, so as to simplify the structure of the two components, and the cross beam 13 associated with the two rails 1 can also be regarded as an organic part of the backrest frame 4, and the backrest section 11 and the backrest frame 4 are integrally constructed, and the following expression mainly refers to the backrest frame 4.

An arc-shaped groove rail 15 is locked at the lower part of the backrest section 11 of the track, the arc-shaped groove rail 15 extends to the lower side of the cushion section 12, and can support the cushion section 12 in a lying posture; the two sides of the underframe 6 are provided with rollers 61 facing inwards, and the rollers 61 are matched with the arc-shaped groove rails 15 to form movable positioning and supporting for the backrest frame 4; one end of an electric push rod 7 is connected with the bottom frame 6, the other end is hinged on the backrest frame 4, and the backrest frame 4 is driven by the electric push rod 7 to move back and forth.

That is, the arc-shaped groove rail 15 may also be welded directly to the back frame 4.

The cushion frame 5 is arranged on the cushion section 12, and refers to the following two structures:

firstly, the cushion frame 5 is directly locked on the cushion section 12 and changes synchronously with the cushion section 12, in the structure, the massage chair frame can generate opening and closing changes at the joint of the cushion and the back cushion in the process of changing sitting posture and lying posture.

The rear end of the cushion frame 5 is hinged on the backrest section 11, and the front part of the cushion frame leans against the cushion section 12. Specifically, a rear support 112 is fixed at the lower end of the backrest section 11 of the track, the rear end of the seat cushion frame 5 is movably hinged on the rear support 112 through a hinge shaft 3, and a sliding restraining mechanism is arranged at the front part of the seat cushion frame leaning against the seat cushion section 12 of the track or between the seat cushion frame 5 and the seat cushion section 12; that is, the seat cushion frame 5 is associated with the backrest section 11 or the backrest frame 4, so that the seat cushion frame not only has a more stable structure, but also can be linked with the backrest frame 4, and the opening and closing of the joint part cannot be changed. In fact, the rear support member 112 is welded to both the front end of the back section 11 and the curved groove rail 15, thereby providing a reinforcement for the curved groove rail.

The cushion frame 5 is directly arranged on the cushion section 12, the structure is simplest, but the cushion frame 5 is relatively loose and is positioned only by the hinge shaft at the rear end, and the front end swings left and right easily. And the sliding restraint mechanism arranged between the cushion frame 5 and the cushion section 12 of the track improves the relevance and the overall strength of the two, and the sliding restraint mechanism is one of the following structures:

firstly, a backward sliding rod 51 is fixed at the front end of the cushion frame 5, limiting holes 121 are formed in two sides of the cushion section 12, and the sliding rod 51 penetrates through the limiting holes 121 to form a left-right constraint structure; when the user sits or lies, the sliding rod 51 can be drawn in and out to meet the change of the position.

Second, the seat cushion frame 5 is hinged with a relevant connecting sheet between the front ends of the two sides of the seat cushion section 12, and the relevant connecting sheet forms a left and right constraint structure; in order to avoid changing the angle of the cushion frame 5, keeping the relative correspondence with the cushion section 12, the associated piece is provided with a long slot, able to slide at the rivet, to cater for the change of position.

And thirdly, a telescopic rod is hinged between the cushion frame 5 and the front ends of the two sides of the cushion section 12, and the telescopic rod forms a left-right constraint structure.

And fourthly, a matched groove rail structure is arranged between the front end beam 13 of the cushion section 12 and the front end of the cushion frame 5 to form a left and right constraint structure.

In order to make the massage chair frame have good comfort in sitting and lying positions, the cushion section 12 or the cushion frame 5 is further arranged as follows:

the two sides of the front end of the cushion section 12 are provided with adjusting rollers 122 outwards, and the adjusting rollers 122 can be abutted against the slopes 62 arranged on the two sides of the front end of the base frame 6 in the process of moving the backrest section 11 backwards, so that the cushion section 12 is lifted to a sitting posture state, that is, the backrest section 11 and the cushion section 12 in the L-shaped track are in an optimal state in a matching way, and the front end of the cushion frame 5 slightly tilts upwards, so that the cushion cannot slide forwards when sitting. As shown in fig. 7 and 8, the seat cushion section 12 is supported in the recumbent position by the front ends of the arcuate slot tracks 15 or associated cross members 13; the sitting posture state is supported by the slope 62 of the bottom frame, and two changed limit points are well supported and are all in a high position; and the sitting posture and the lying posture are changed, namely the massage chair frame is alternately supported by the arc-shaped groove rail 15 or the front associated beam 13 and the slope 62, and is positioned in the wave trough, so that the massage chair frame has better wave fluctuation in the adjusting process, and different experiences are formed.

Referring again to fig. 5 to 8, the rear supporter 112 is outwardly fixed with the handle frame 8, and the front end of the handle frame 8 is supported and fixed by the front supporter 113 welded to the arc-shaped groove rail 15. The handrail frame 8 is used for hanging and locking the handrail, in the structure, the handrail frame 8 moves along with the backrest section 11, and the unique design ensures that the two arms are always consistent with the upper body no matter how the angle of the massage chair changes when the two arms are placed on the handrail, thereby bringing convenience for arranging massage mechanisms such as air bags on the handrail and avoiding the need of designing a sliding mechanism. Since the curved track 15 is welded to the backrest section 11, or the backrest section is extended, the rear support 112 can be welded to both, which provides reinforcement.

It is certainly not excluded to directly lock the handrail frame 8 on both sides of the bottom frame 6 to make a fixed handrail, which is the conventional technical solution.

In addition, the hinge shaft 3 refers to the following structure: the rotating shaft, the bolt shaft, the rivet, the hinge shaft or the ball head shaft are selected from different shaft types according to different positions and bearing forces.

Claims

1. The utility model provides a massage core running gear, includes a pair of track (1) and erects massage core (2) of taking power between two tracks, its characterized in that: the track (1) is of a segmented structure and comprises a backrest segment (11) and a cushion segment (12), wherein the backrest segment and the cushion segment are hinged through a hinge shaft (3), and the included angle between the backrest segment and the cushion segment can be adjusted to be continuously changed in a sitting state and a lying state; the two cushion sections (12) and the two backrest sections (11) are locked into a whole through a cross beam (13), and a rack (14) is fixed on the backrest sections (11); a driving shaft (24) driven by power is arranged at one end of the massage machine core (2) facing the backrest, a driven shaft (25) is arranged at one end of the massage machine core facing the seat cushion, a driving wheel (241) and a gear (242) are respectively locked at two ends of the driving shaft (24), the driving wheel (241) is lapped on the track (1), and the gear (242) is meshed with the rack (14) to drive the massage machine core (2) to move; driven wheels (251) are respectively locked at two ends of the driven shaft (25), and the driven wheels (251) are lapped on the track (1) and can run on a backrest section (11) and a cushion section (12) of the track.

2. The massage movement traveling mechanism according to claim 1, characterized in that: the track (1) is an L-shaped track, the backrest section (11) comprises a corner arc (111) of the L-shaped track, and the tangent line part of the corner arc (111) of the L-shaped track is a cushion section (12).

3. The massage movement traveling mechanism according to claim 1, characterized in that: the hinge shaft (3) is arranged on the bottom surface of the track (1) and movably hinges the backrest section (11) and the cushion section (12); or the hinge shaft (3) is arranged on the side surface of the track (1) and movably hinged with the backrest section (11) and the cushion section (12).

4. A massage chair frame, which comprises a backrest frame (4), a cushion frame (5), a bottom frame (6), an electric push rod (7) and the massage machine core walking mechanism of the claims 1 to 3; the method is characterized in that: the track (1) is of a segmented structure and comprises a backrest segment (11) and a cushion segment (12), wherein the backrest segment and the cushion segment are hinged through a hinge shaft (3), and the included angle between the backrest segment and the cushion segment can be adjusted to be continuously changed in a sitting state and a lying state; the two cushion sections (12) and the two backrest sections (11) are locked into a whole through a cross beam (13), and a rack (14) is fixed on the backrest sections (11); a driving shaft (24) driven by power is arranged at one end of the massage machine core (2) facing the backrest, a driven shaft (25) is arranged at one end of the massage machine core facing the seat cushion, a driving wheel (241) and a gear (242) are respectively locked at two ends of the driving shaft (24), the driving wheel (241) is lapped on the track (1), and the gear (242) is meshed with the rack (14) to drive the massage machine core (2) to move; driven wheels (251) are respectively locked at two ends of the driven shaft (25), and the driven wheels (251) are lapped on the track (1) and can run on a backrest section (11) and a cushion section (12) of the track (1); the backrest frame (4) is arranged on one side of a backrest section (11) of the track (1), the cushion frame (5) is arranged on one side of a cushion section (12), and the backrest section (11) or the backrest frame (4) is movably positioned on the bottom frame (6) and is driven by the electric push rod (7) to adjust the angle.

5. The massage chair frame as claimed in claim 4, wherein: an arc-shaped groove rail (15) is locked at the lower part of the backrest section (11) of the track, the arc-shaped groove rail (15) extends to the lower side of the cushion section (12) and can support the cushion section (12) in a lying state; the two sides of the underframe (6) are provided with rollers (61) inwards and oppositely, and the rollers (61) are matched with the arc-shaped groove rails (15) to form movable positioning and supporting for the backrest frame (4); one end of an electric push rod (7) is connected with the bottom frame (6) and the other end is hinged on the backrest frame (4), and the backrest frame (4) is driven by the electric push rod (7) to move back and forth.

6. A massage chair frame as claimed in claim 4 or 5, wherein: a rear supporting piece (112) is fixed at the lower end part of the backrest section (11) of the track, the rear end part of the cushion frame (5) is movably hinged on the rear supporting piece (112) through a hinge shaft (3), and the front part of the cushion frame leans against the cushion section (12) of the track or a sliding constraint mechanism is arranged between the cushion frame (5) and the cushion section (12); the both sides of cushion section (12) front end are provided with adjusting roller (122) outwards, and this adjusting roller (122) moves the process after back section (11), can contradict on slope (62) that chassis (6) front end both sides set up, makes cushion section (12) are raised to the position of sitting state.

7. The massage chair frame as claimed in claim 6, wherein: the sliding restraint mechanism arranged between the cushion frame (5) and the cushion section (12) of the track is one of the following structures: firstly, a backward sliding rod (51) is fixed at the front end of a cushion frame (5), limiting holes (121) are formed in two sides of a cushion section (12), and the sliding rod (51) penetrates through the limiting holes (121) to form a left and right constraint structure; a related connecting sheet is hinged between the seat cushion frame (5) and the front ends of the two sides of the seat cushion section (12), and the related connecting sheet forms a left and right constraint structure; thirdly, a telescopic rod is hinged between the cushion frame (5) and the front ends of the two sides of the cushion section (12), and the telescopic rod forms a left-right constraint structure; fourthly, a matched groove rail structure is arranged between the front end beam (13) of the cushion section (12) and the front end of the cushion frame (5) to form a left and right constraint structure.

8. The massage chair frame as claimed in claim 6, wherein: the back supporting piece (112) is fixed with a handrail frame (8) towards the outside, and the front end of the handrail frame (8) is supported and fixed by a front supporting piece (113) welded on the arc-shaped groove rail (15).

9. The massage chair frame as claimed in claim 6, wherein: the hinge shaft (3) refers to the following structure: a shaft, a bolt shaft, a rivet, a hinge shaft, or a ball-end shaft.