CN210078208U

CN210078208U - Massage chair frame with segmented tracks

Info

Publication number: CN210078208U
Application number: CN201822197395.5U
Authority: CN
Inventors: 王建辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2020-02-18
Anticipated expiration: 2028-12-26

Abstract

The utility model relates to a massage chair frame with a segmented track, which has the main structure that the 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 continuously change in the sitting state and the lying state; 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 arc-shaped groove track locked on the lower part of the backrest section 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 provided with rollers inwards and oppositely, and the rollers are matched with the arc-shaped grooved rails to form movable positioning and supporting for the backrest frame; one end of an electric push rod is hinged on the bottom frame, the other end of the electric push rod is hinged on the backrest frame, the backrest section is driven by the electric push rod and is connected with the cushion section to move back and forth, and the zero gravity state can be simulated and the function of forward movement of the backrest can be realized in the process from sitting posture to lying posture adjustment; 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 chair frame with segmented tracks

The technical field is as follows:

the utility model belongs to the field of massage equipment, in particular to a massage chair frame with sectional tracks, in particular to a massage machine core capable of continuously walking on the sectional tracks.

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, the massage armchair back of the chair sliding construction that discloses, including the 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 to the permission along slide rail arc orbit. 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 the massage armchair back of the chair downward sloping, when the guide roller moves backward, the seat support mount area seat support backward movement, 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. However, the structure can only be suitable for the massage chair frame with the rigid track, and the sitting and leaning angles cannot be adjusted.

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 mode by taking the curve racks as tracks. However, two walking track grooves must be arranged in the outer frame, and the two-body driven wheels with different sizes are matched to walk on the changed L-shaped track. The structure and operation are complex.

How to improve the prior art not enough, provide a feasible scheme, become the utility model discloses the research object.

The invention content is as follows:

the utility model aims at designing a track falls into mutual articulated back section and cushion section to arc grooved rail location through back section both sides is on the chassis gyro wheel, allows the back-and-forth movement and satisfies the segmentation track massage chair frame of cushion and cushion angle modulation.

The utility model discloses technical scheme realizes like this: a massage chair frame with a sectional track comprises a backrest frame, a cushion frame, a bottom frame, an electric push rod and a track; 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 the cross beam; the backrest frame is arranged on one side of the backrest section of the track and is integrated with the backrest section, and the cushion frame is arranged on one side of the cushion section; the lower part of the backrest section is locked with an arc-shaped groove rail which 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 provided with rollers inwards and oppositely, 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 hinged on the underframe, the other end of the electric push rod is hinged on the backrest frame, and the backrest section is driven by the electric push rod and is connected with the cushion section to move back and forth.

The rail is an L-shaped rail, the backrest section comprises a corner arc of the L-shaped rail, and the tangent part of the corner arc of the L-shaped rail is a 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 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 draws the cushion section process of shifting backward at the back section, can contradict on the slope that chassis front end both sides set up, 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 the cushion frame, limiting holes are formed in two sides of the 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 utility model 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, thereby changing the defect that the traditional L-shaped track can not be adjusted; then, the backrest section comprises an L-shaped track corner arc, so that the massage machine core can walk smoothly, and the influence of the hinged part is reduced; 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 present invention will be further explained with reference to the following specific drawings:

FIG. 1 is a schematic view of a massage chair frame in a sitting posture

FIG. 2 is a schematic view of the lying posture of the massage chair frame

FIG. 3 is a partially enlarged view of A in FIG. 2

FIG. 4 is a side view of the lying posture of the massage chair frame

FIG. 5 is a schematic side 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

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

25-driving wheel 26-gear 27-driven wheel 3-hinge shaft

4-backrest frame 5-cushion frame 51-slide bar 6-underframe

61-roller 62-slope 7-handrail frame 8-electric push rod

The specific implementation mode is as follows:

referring to fig. 1 to 6, the massage chair frame with a segmented track further comprises a track 1, a massage machine core 2, a hinge shaft 3, a backrest frame 4, a cushion frame 5, a bottom frame 6, a handrail frame 7 and an electric push rod 8.

The track 1 is of a segmented structure and comprises a backrest segment 11 and a seat cushion segment 12 which are hinged through a hinge shaft 3, and the included angle between the backrest segment and the seat 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, a rack 14 is fixed on the backrest section 11, the rack 14 is locked on the outer side of the backrest section 11, and a rolling rail surface for the driving wheel of the massage machine core 2 to travel is formed on the inner side of the rail 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 26 in the massage machine core moves to the lower end part of the rack 14, the massage device can prop against the leg part, thereby realizing the massage to the leg.

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 seams, the optimum hinging effect can be obtained, the dense sewing 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.

The massage movement 2 is a front drive in the prior art and a rear drive structure in cooperation with the segmented track 1 of the design, so that the gear 26 does not need to travel to the cushion segment 12. The massage machine core 2 comprises a chassis 21, a massage device 22 and a walking power 23, wherein the walking power 23 consists of a motor and a worm gear box, an output shaft of the worm gear box is a driving shaft 24, a driving wheel 25 and a gear 26 at two ends are driven, and the gear 26 is meshed with the rack 14 to drive the massage machine core to walk on the track 1. More specifically, the rear gear 26 is driven to the lower end of the backrest section 11, i.e. the driven wheel 27 positioned at the front end of the chassis 21 reaches the front end of the cushion section 12, and the massage device 22 can massage and move the legs.

The backrest frame 4 is welded on one side of the backrest section 11 of the track, and the cushion frame 5 is arranged on one side of the cushion section 12. In the design of the massage chair frame, the backrest frame 4 and the cushion frame 5 are taken as the main parts, and the rail is taken as the auxiliary part, in the design, the rail 1 is taken as the main part, and the backrest frame and the cushion frame are taken as the auxiliary parts. The backrest frame 4 and the cushion frame 5 are needed for positioning the backrest cushion and the cushion, the structures of the two parts are simplified, the cross beam 13 associated with the two rails 1 can also be regarded as an organic part of the backrest frame 4, the backrest section 11 and the backrest frame 4 are of an integral structure, and the backrest frame 4 is mainly expressed in the following.

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 8 is hinged on the underframe 6, the other end is hinged on the backrest frame 4, and the backrest frame 4 is driven by the electric push rod 8 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 hinged part of the cushion and the back cushion can generate opening and closing change in the changing process of sitting posture and lying posture of the massage chair frame.

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 rail, 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 constraint mechanism is arranged at the front part of the seat cushion frame, which leans against the seat cushion section 12 of the rail, 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 hinged position cannot be opened or closed. In fact, the rear support member 112 is welded to both the front end of the backrest section 11 and the curved grooved rail 15, thereby providing a reinforcement effect to the curved grooved 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 slotted hole, 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. 5 and 6, the cushion section 12 is supported by the front ends of the arc-shaped groove rails 15 or the associated cross beams 13 in the lying posture; the sitting posture state is supported by the slope 62 of the bottom frame, and two changed limit points are well supported and are in a high position; in the process of changing sitting postures and lying postures, namely, the massage chair frame is alternately supported by the arc-shaped groove rails 15 or the front associated cross beams 13 and the slope 62, and is positioned in the wave trough, the adjustment process of the massage chair frame has better wave fluctuation, and different experiences are formed.

Referring to fig. 4 to 6 again, the armrest frame 7 is fixed to the rear supporter 112, and the front end of the armrest frame 7 is supported and fixed by the front supporter 113 welded to the arc-shaped groove rail 15. The handrail frame 7 is used for hanging and locking the handrail, in the structure, the handrail frame 7 moves along with the backrest section 11, and the unique design ensures that the double arms are always consistent with the upper body no matter how the angle of the massage chair changes when the double 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 7 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 can select different hinge shaft types according to different positions and bearing forces.

Claims

1. A massage chair frame with a sectional track comprises a backrest frame, a cushion frame, a bottom frame, an electric push rod and a track; 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 the cross beam; the backrest frame is arranged on one side of the backrest section of the track and is integrated with the backrest section, and the cushion frame is arranged on one side of the cushion section; the lower part of the backrest section is locked with an arc-shaped groove rail which 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 provided with rollers inwards and oppositely, 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 hinged on the underframe, the other end of the electric push rod is hinged on the backrest frame, and the backrest section is driven by the electric push rod and is connected with the cushion section to move back and forth.

2. The segmented track massage chair frame as claimed in claim 1, wherein: the rail is an L-shaped rail, the backrest section comprises a corner arc of the L-shaped rail, and the tangent part of the corner arc of the L-shaped rail is a 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.

3. The frame of a segmented track massage chair according to claim 1 or 2, wherein: 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 draws the cushion section process of shifting backward at the back section, can contradict on the slope that chassis front end both sides set up, makes the cushion section is raised to the position of sitting state.

4. The segmented track massage chair frame as claimed in claim 3, wherein: 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 the cushion frame, limiting holes are formed in two sides of the 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.

5. The segmented track massage chair frame as claimed in claim 3, wherein: 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.

6. The segmented track massage chair frame as claimed in claim 2, wherein: the hinge shaft refers to the following structure: a shaft, a bolt shaft, a rivet, a hinge shaft, or a ball-end shaft.