CN2126800Y - Beating mechanism of multifunction massage chair - Google Patents

Abstract

The utility model relates to a beating mechanism of a multifunction massage chair. The beating mechanism of a multifunction massage chair is mainly characterized in that a coaxial shaft equipped with a belt pulley in the frame foundation is also equipped with a screw gear and a double-way fluted disc. When the double-way fluted disc rises, the double-way fluted disc can mesh with the convex tooth of the lower end plane of the screw gear. When the double-way fluted disc drops down, the double-way fluted disc can mesh with the convex tooth on the upper end plane of an endless screw. Two axle ends of the screw gear are also equipped with a ring body which is connected with a massage wheel as integration and does an up and down vibration. When using, the utility model can control the positive rotation and the inverse rotation of the motor according to peoples' needs. The mode of beating and kneading can be chose at any time to obtain the best massage effect.

Description

Beating mechanism of multifunction massage chair

This utility model belongs to physical therapy device, is a kind ofly can rub the massage armchair device of pressing and beating to human body back.

Now, massage armchair is welcome by consumers in general deeply, and mainly because of after it can cosily couch on it, nationality is massaged human body back by the massage facility that are installed in the chair back, reaches allaying tiredness, refreshes and the purpose of muscle power.The massage facility of existing massage armchair, be arranged on one with the framework of chair back shape on, comprise wear group framework and on middle pole place and stand, drive mechanism and the massage wheels that can be shifted up and down, being specially the stand rear side is drive mechanism, the concentric shafts of belt pulley is housed in the transmission stand, and in conjunction with a worm screw, worm and wheel is meshed on the concentric shafts, dispose by eccentric stiffener in the two ends of worm-wheel shaft and can make the massage wheels that swings, this massage wheels protrudes in the stand front side.This massage facility of massage armchair, behind the on and off switch that starts the motor of final drive gear behind the stand, motor then drives the belt pulley rotation, the worm screw of device on the belt pulley concentric shafts makes the worm gear rotation with its engagement again, the massage wheels that then is configured in the worm-wheel shaft two ends swings under the effect of eccentric stiffener, reaches the massage effect of rubbing pressure.Rub the pressure effect but this massage facility only can produce, do not have and beat function,, when human body is felt under the weather sometimes, may be better with the method for beating.So existing massage armchair lacks the mechanism of multiple massage method, can not reach the best purpose of massage.

This utility model provides a kind of massage armchair that is arranged on the chair back to beat mechanism, makes both to have the pressing massage of rubbing action, has the massaging action of beating again, can select wherein a kind of according to each one needs.

For achieving the above object, this utility model has been set up a pair of helical gear on the concentric shafts of belt pulley, the two ends of helical gear axle dispose the ring body that can make up-down vibration under the effect of cam path, and ring body and massage wheels fused with connecting rod, then the up-down vibration of ring body converts the action of beating of massage wheels to.For reaching the purpose that pressing massage was beaten or rubbed in selection, in this utility model on the belt pulley concentric shafts between helical gear and worm screw folder establish a two-way fluted disc, be shaped on spline on the perisporium within this two-way fluted disc, be shaped on spline on the side face outside the concentric shafts with matching; Simultaneously, for make this two-way fluted disc move up can with the helical gear interlock, move down but can with the worm screw interlock, the spy is shaped on a plurality of double wedges on the both ends of the surface up and down of two-way fluted disc, correspondingly, also be shaped on a plurality of double wedges in the lower surface of helical gear and the upper surface of worm screw; For making two-way gear in rotary course, reach the purpose that moves up and down, on two-way fluted disc outer peripheral face, be shaped on coarse-pitch thread, and match with the level formula post that is shaped on same coarse-pitch thread on the inner peripheral surface.The aforesaid belt pulley concentric shafts that is shaped on spline and the level formula post, the worm screw that spiral and close in conjunction with the helical gear on it, two-way fluted disc, with bi-directional teeth, and with helical gear meshed gears and gear shaft, all be packed in the involutory housing of forming body with the worm gear and the worm-wheel shaft of worm engaging, in all sliding cooperation through hole that fits on the body in axle two ends, gear shaft two ends and worm-wheel shaft two ends, and respectively install a ring body by the cam path structure in the gear shaft two axial ends, respectively install a massage wheels in the worm-wheel shaft two axial ends by eccentric stiffener.So structure beats mechanism, when starter, motor is promptly with the belt transmission belt pulley, and the axle of belt pulley is rotation thereupon also, because axle is spline with two-way fluted disc and combines, then axle drives the bi-directional teeth disc spins, screw mutually because of two-way fluted disc but also with level formula post not only, a level formula post is again fixed, and then two-way fluted disc just moves up and down, or interlock helical gear and rotating upwards, or interlock screw rod and rotating downwards.Be that motor is when driving the belt crop rotation and counterclockwise rotating, make two each fluted disc follow that screw thread moves to rising within grade formula post, to with the double wedge interlock of helical gear, thereby cause helical gear to rotate and drive the gear that is engaged with rotating, then gear shaft will drive the interior cam reciprocating motion of ring body at its two ends, the asynchronous shape of beating up and down of two massage crop rotations that formation is attached thereto moves, and constitutes the massage of beating to human body back; If motor drives the rotation of belt crop rotation clockwise direction, two-way fluted disc promptly follows within grade formula post screw thread to bottom offset, until with the interlock and drive the worm screw rotation mutually of the double wedge of worm screw upper end, the worm gear that is engaged with is rotation thereupon also, then worm-wheel shaft drives two massage wheels with the nationality eccentric stiffener and swings, and forms the pressing massage of rubbing to human body back.So the positive and negative rotation of control motor can select to beat or rub the massaging way of pressure.

The body that device is beaten mechanism as mentioned above is fixed on the stand, and make two massage wheels be piercing in the stand panel, and this stand that body is housed is placed through with the framework of chair back similar shape and is combined on the intermediary pole of framework, the motor that the belt pulley of mechanism is beaten in drive is arranged on one of stand upper body side, install one on the framework base and can only spur stand motor up and down, then starting this motor is that the stand that stretchy is sleeved on the framework is done upper and lower displacement, makes two massage wheels of beating mechanism arrive desired area.

Description of drawings:

Fig. 1 is a setting position axonometric chart of the present utility model.

Fig. 2 is for beating the exploded perspective view of drive mechanism in this utility model.

Fig. 3 is the transmission cut-away view that makes progress of two-way fluted disc in this utility model.

Fig. 4 beats in this utility model, the assembling stereogram of massage wheels.

The utility model is described in further detail below in conjunction with the accompanying drawing illustrated embodiment:

Seen that by Fig. 1, Fig. 2 the body 10 of this utility model embodiment becomes 11,12 of the housings of correspondingly-shaped to combine by two, housing 11,12 inboards respectively are provided with several dimples parallel to each other 13,14, for fixture level formula post 37.The axle 20 of belt pulley 40 is arranged on the centre of body 10, is shaped on several splines 31 on this axle; In conjunction with a helical gear 21 and a worm screw 23, both are provided with equally spaced double wedge 25 and 26 by each relative end on the axle 20, and this double wedge 25,26 is with axial stretching, extension, and end all becomes an appropriate tilt limit 27 and 28 to the upper right side; Helical gear 21 and worm screw 23 respectively with the transmission that is meshing with each other of helical gear 22, worm gear 24, and the worm-wheel shaft 30 of the gear shaft 29 of helical gear 22, worm gear 24 all is vertical configuration with axle 20, and be incorporated in the cooperation through hole of housing 11,12, both-end also stretches out in housing 11,12.See by Fig. 2, combining a two-way fluted disc 32 between helical gear 21 and the worm screw 23 on the axle 20, these fluted disc 32 two ends also are shaped on the double wedge 33,34 of axial stretching, extension, has the same tilt direction with the double wedge 25,26 on helical gear 21 and the screw rod 23, and omit the tool fillet, to be meshing with each other with double wedge 25,26; Outer coarse-pitch thread 35 is established in two-way fluted disc 32 outsides, be shaped on the spline 41 that matches with the spline 31 of axle 20 on the internal perisporium, in two-way fluted disc 12 overcoat group one-level formula posts 36, coarse-pitch thread 37 combines with coarse-pitch thread 35 outside the two-way fluted disc 32 in this grade formula post 36 nationalitys, level formula post 36 is cross-placed in the dimple 13,14 of housing 11,12, two fixed disks 38,39 that cooperate axle 20 two ends to expose are simultaneously made clipping to housing 11,12, and this transmission component is fixed in the body 10.Axle 20 parts that body 10 top sides pass are in conjunction with a belt pulley 40.

Seen by Fig. 1 that again the body 10 of present embodiment is to be fixed on the stand 51,51 of stands place and are combined on the framework 50 of chair back similar shape and are positioned on these framework 50 intermediary poles 59, and the stand 51 that body 10 then is housed can be done displacement up and down along framework.Seen by figure, in stand 51 upper bodies 10 1 sides, make up a reversible motor 52, a belt 53 of this motor 52 and belt pulley 40 be interlock mutually, installs one and drives the power motor 61 that stand 51 is done upper and lower displacement again with on the base 60 of framework 50.See by Fig. 2 that again the two ends of helical gear shaft 29 are stretched out housing 11,12 back nooses and are fixed in the combined hole 71,70 of ring body 59,58, and worm-wheel shaft 30 two ends are stretched out housing 11,12 back nooses and are fixed in the combined hole 73,72 of ring body 59,58 belows; Ring body 58 the place aheads folders is established a connecting rod 54, and again with connecting rod 55 and massage wheels 57 in succession.Equally, ring body 59 the place aheads folders is established a connecting rod 54, and again with connecting rod 55 and massage wheels 56 in succession, this state of massage wheels device on the tooth axle of beating is found in Fig. 4.See that by Fig. 1 two massage wheels, 56,57 front sides by stand 51 pass, and become the massage head of human body back.Fig. 3

Seen that by Fig. 3 the helical gear 21 and the worm screw 23 that are combined on the axle 20 are all joined combination with pine, 32 of two-way fluted discs combine with axle 20 with spline 41 and spline 31, and two-way fluted disc 32 screws mutually with the female thread 37 of its outer coarse-pitch thread 35 with level formula post 36 again.Such structure, when belt pulley 40 drives axles 20 rotations (as doing rotation counterclockwise), 32 of two-way fluted discs move to rising according to screw thread within the level formula post 36 37, until with double wedge 25 interlock mutually of helical gear 21, thereby cause helical gear 21 rotations.Figure 4 shows that when axle and do clockwise direction when rotation, 32 of two-way fluted discs descend according to screw thread 37 within the level formula post 36 again, until with double wedge 26 interlock mutually of worm screw 23, thereby cause worm screw 23 rotations, and helical gear 21 stops the rotation.

The duty of said mechanism is, when drive motor 52 drive belt pulleys 40 are done counterclockwise to rotate, two-way fluted disc 32 rise according to level formula post 36 and with the double wedge interlock of helical gear 21, make helical gear 21 rotations, the helical gear 22 that causes being engaged with rotates, then gear shaft 29 is contained in cam reciprocating operation in its two ends ring body 58 with drive, forms by connecting rod 54,55 two massage wheels 56,57 in succession to be the asynchronous shape action of beating up and down, constitutes the massage effect of beating to human body back; When motor 52 drive belt pulleys 40 are done the clockwise direction rotation, two-way fluted disc 32 descend according to level formula post 36 again and with the double wedge interlock of worm screw 23, make worm screw 23 rotations, the worm gear 24 that causes being engaged with rotates, then worm-wheel shaft 30 drives two massage wheels 56,57 with the nationality eccentric stiffener and swings, and constitutes human body back rubbed the pressure effect.

By said structure as seen, the utlity model has to beat and rub and press two kinds of functions, as long as the direction of rotation of control motor can be selected to beat massage and still be rubbed pressing massage; Simultaneously, control another motor, can adjust the upper-lower position of massage wheels, required with the massage that adapts to the back different parts.

Claims (1)

1, the multifunctional massage chair on a kind of framework that is arranged on chair back and chair back similar shape beats mechanism, comprise wear group framework and on middle pole place and stand, drive mechanism and massage wheels that can upper and lower displacement, drive mechanism is arranged on the stand rear side, so that the concentric shafts of belt pulley to be housed in the transmission stand, on the concentric shafts in conjunction with a worm screw, worm and wheel is meshed, dispose by eccentric stiffener in the two ends of worm-wheel shaft and can make the massage wheels that swings, this massage wheels protrudes in the stand front side, it is characterized in that:

(1) also be provided with a pair of helical gear 21,22 on the concentric shafts 20, the two ends of the axle 29 of helical gear 22 dispose the ring body 58,59 that can make up-down vibration under the effect of cam path, and ring body 58,59 and massage wheels 56,57 usefulness connecting rods fuse;

(2) between helical gear 21 and worm screw 23, be folded with a two-way fluted disc 32 on the concentric shafts 20; Be shaped on spline 41 on the perisporium within this two-way fluted disc 32, be shaped on spline 31 on the side face outside the concentric shafts 20 with matching; Be shaped on a plurality of double wedges 33,34 on the upper and lower end face of two-way fluted disc 32, correspondingly the upper surface of the lower surface of helical gear 21 and worm screw 23 also is shaped on a plurality of double wedges 25 and 26; Be shaped on coarse-pitch thread 35 on two-way fluted disc 32 outer peripheral faces, and with inner peripheral surface on be shaped on same coarse-pitch thread level formula post 36 match;

(3) concentric shafts 20 and the level formula post 36, the worm screw 23 that screw in conjunction with the helical gear on it 21, two-way fluted disc 32, with two-way fluted disc 32, and with helical gear 21 meshed gears 22 and gear shaft 29, all be packed in the involutory housing 11,12 of composition body 10 with the worm gear 24 and the worm-wheel shaft 30 of screw rod 23 engagements; Concentric shafts 20 two ends, gear shaft 29 two ends and worm-wheel shaft 30 two ends are all sliding to be fitted in the cooperation through hole of body 10.

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