JP3177263B2 - Chair type massage machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chair-type massage machine, and more particularly, to a chair for a person to be massaged, and a pair of treatment elements provided on a backrest of the chair so as to be vertically movable. Related to a chair-type massage machine.

[0002]

2. Description of the Related Art Conventionally, as a chair-type massage machine of this kind, a lift unit which moves up and down in a backrest portion is provided in a backrest portion of a chair of a massager on which a massaged person (user) sits down. 2. Description of the Related Art There is known an elevating unit in which a pair of treatment elements are provided so as to be able to adjust the interval therebetween (Japanese Patent Application Laid-Open No. 63-145656). This chair-type massage machine further has a pressing force adjusting function capable of adjusting the pressing force when the treatment element is pressed against the massage site, and has a massage function in which the treatment element taps the massage site.

In this massage machine, four functions of a treatment element (elevation unit) up and down movement function, treatment element interval adjustment function, treatment element pressing force adjustment function and knocking massage function can be controlled by one driving motor. As described above, the one-motor four-clutch system is employed. The one motor has one end of the lifting unit because various components for adjusting the treatment element spacing and the pressing force of the treatment element and other components need to be efficiently disposed in the lifting unit. It is arranged in a state biased to the part.

[0004]

However, such a chair type massage machine has the following problems. In other words, since the relatively heavy drive motor is arranged at one end of the lifting unit in a state of being biased, the lifting unit becomes unbalanced in weight, and the lifting unit can be moved up and down very smoothly. Absent. Further, since many clutches are used, the thickness of the lifting unit is increased, and it is difficult to reduce the thickness of the backrest. Further, since the driving force of one motor is transmitted by various clutches, it takes a certain time to turn on / off the clutch, and switching between various massage operations is not performed smoothly. In addition, since the one-motor system is employed, the above four functions cannot be controlled independently.

[0005] The present invention has been made in view of the above circumstances, the lifting unit is balanced in weight, the lifting and lowering is performed smoothly, and the thickness of the backrest portion can be reduced, Furthermore, the present invention provides a chair-type massage machine in which switching between various massage operations is performed smoothly, and in addition, among the above four functions, at least the pressing force adjusting function and the tapping massage function can be independently controlled. Aim.

[0006]

SUMMARY OF THE INVENTION The present invention provides a chair on which a person to be massaged sits down, a pair of treatment elements provided to be movable up and down in a backrest of the chair, and having a mutually adjustable distance between the treatment elements. An elevating unit having a supporting arm, pressing force adjusting means for adjusting the pressing force when the treatment element is pressed against the massage site, massage means for tapping the massage site by the treatment element, and elevating means for elevating the elevating unit A treatment element interval adjusting means for adjusting the distance between the treatment elements, and further comprising a pressing force adjustment means driving motor and a tapping massage means driving motor provided at both ends of the elevating unit. It is a chair type massage machine.

That is, the chair type massage machine of the present invention includes a pressing force adjusting means for adjusting the pressing force of the treatment element, a tapping massage means, an elevating means for elevating and lowering the elevating unit, and a treatment element interval adjusting means. Further, the gist is that a pressing force adjusting means driving motor and a tapping massage means driving motor are provided at both ends of the lifting unit.

By disposing these two relatively heavy motors at both ends of the lifting unit,
Attempt to ensure the weight balance of the lifting unit. Further, the thickness of the backrest portion is reduced by eliminating the clutch which has been widely used in the past. Furthermore, the clutch for transmitting the driving force of the motor is eliminated, so that various massage operations can be smoothly switched. In addition, by using the motor for driving the pressing force adjusting means and the motor for driving the tapping massage means, it is possible to independently control at least two functions of the pressing force adjustment and the tapping massage.

Here, it is preferable that the motor for driving the pressing force adjusting means and the motor for driving the striking massage means are provided in the elevating unit at the same distance to the left and right from the vertical center line of the backrest of the chair.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. The present invention is not limited by this.

FIG. 1 is a structural explanatory view of the inside of a chair-type massage machine A viewed from the side, and FIG. 2 is a structural explanatory view of the inside of the chair-type massage machine A viewed from the back. In FIGS. 1 and 2, an elevating motor 5 as an elevating means located at the lowermost position inside a backrest 4 of a chair in a chair type massage machine A rotates forward and backward. The rotation of the motor 5 is reduced through the pulley, the belt 6.6 and the pulley, and transmitted to the two vertical screw shafts 7.7. Screw shaft 7.7
Are arranged parallel to each other at predetermined intervals in the width direction in the backrest portion 4 of the chair.

Reference numeral 1 denotes a massage elevating unit, which includes a rectangular parallelepiped unit main body 1a which is long in the horizontal direction, a pair of treatment elements 2.2, and treatment element supporting arms 20. The lifting unit 1 and the screw shafts 7
・ Nut type bracket that moves up and down by screwing into 7.
8 are connected to each other.

Reference numeral 3 denotes two guide rails having a cross section disposed in the backrest portion 4 of the chair. As shown in FIG. 1, these guide rails 3 are provided in a curved shape substantially along the spine of the massaged person. The elevating unit 1 is mounted on the guide rails 3.3 by two upper and lower guide rollers 9, 9, 9, 9 provided on both side walls of the unit body 1a. The elevating unit 1 is guided by the guide rails 3 by the forward and reverse rotations of the screw shafts 7, and moves up and down.

Next, the adjustment of the pressing force (strong or weak) for adjusting the pressing force when the treatment elements 2 are pressed against the massage site will be described. 3 to 8 and FIG.
Reference numeral 10 denotes a pressing force adjusting means driving motor (motor for adjusting the strength) provided at one end of the lifting unit 1. 1
Reference numerals 1 to 19 denote components of the pressing force adjusting means. That is, 11 is a gear box, 12 is a belt, 13 is a worm gear, 14 is a worm wheel, 15 is a shaft,
6 is a plate, 17 is a crankshaft (eccentric member), 18 is a bearing, and 19 is a connection link.

The rotation of the motor 10 is reduced to 1/18 in the gear box 11, and transmitted from the worm gear 13 to the worm wheel 14 via the belt 12. And
The speed is further reduced to 1/30 by the worm gear 13 and the worm wheel 14, and finally reduced to 1/540. The worm wheel 14 is connected to a plate 16 via a shaft 15. A crankshaft 17 is attached to the plate 16 with a bearing 18. An elliptical connection link 19 is attached to the crankshaft 17 at a position near one end thereof. And the connection link 19 is rotatable. The base end of the arm 20 is connected to a position near the other end of the connection link 19. The arm 20 is
An inner ring 22 attached to the main shaft 21 is connected to an outer ring 23 rotatably (idly) mounted on an outer peripheral portion of an inner ring 22.

With the above configuration, when the motor 10 rotates forward and backward, the plate 16, the crankshaft 17 and the connecting link 19 move, and the amount of protrusion of the treatment elements 2 is reduced as shown in FIG.
And changes as shown in FIG. This makes it possible to adjust the pressing force (strength) of the treatment elements 2. At this time,
As shown in FIG. 4, the movable range of the treatment elements 2 is defined by an actuator 25 fixed to the shaft 15 and two micro switches 24 arranged above and below the actuator 25. And treatment child 2.2
5 and 6, a slit 26 provided at the upper end of the worm gear 13 and a photo sensor 27 disposed in the slit 26 are used.

Next, a massage in which a massage part is tapped by the treatment elements 2 and 2 will be described. In FIG. 9, reference numerals 28 to 32 denote constituent members of the tapping massage means. That is, reference numeral 28 denotes a tapping massage motor provided at the other end of the elevating unit 1 as a tapping massage device driving motor. 29 is a belt, 3
0 is a small screw gear, 31 is a large screw gear, and 32 is a belt. The rotation of the motor 28 is performed via the belt 29 and the small screw 3
0, transmitted to the screw large gear 31. Here, the rotation is 1 /
Reduced to 3.25. Screw gear 31 is shaft 15
, And the crankshaft 17 is further rotated via the belt 32. The crankshaft 17 rotates about a circle 33 having a radius of the eccentric amount, passes through the connecting link 19 and the arm 20, and causes the treatment elements 2 to perform a beating massage operation. With the above-described configuration, when the motor 28 rotates, the protrusion amount of the treatment elements 2 changes as shown in FIGS. 10 and 11. This enables a tapping massage of the treatment elements 2.

Next, treatment element interval adjustment (width adjustment) for adjusting the distance between treatment elements 2 will be described. FIG.
In FIG. 13, reference numeral 34 denotes a treatment element interval adjusting means driving motor provided below the tapping massage motor 28. 35 to 42 are constituent members of the treatment element interval adjusting means. That is, 35 is a worm gear, 36 is a worm wheel, 37 is a screw shaft, 38 is a connector, 39 is a holding member, 40 is a microswitch, 41 is a magnet reed switch, and 42 is a magnet.

Referring to FIG. 12 and FIG.
Is reduced to 1/20 via the worm gear 35 and the worm wheel 36, and the pair of left and right screw shafts 37 is rotated. The two screw shafts 37 are provided with external threads which are opposite to each other. The connectors 38, 38 on which the female screw processing is performed move in the width direction of the backrest 4 by the forward and reverse rotation of the screw shafts 37, 37. The moving range in the width direction is the two microswitches 40 shown in FIG.
Regulated by: The position of the connectors 38 in the width direction is detected by a magnet 42 attached to the right screw shaft 37 and a magnet reed switch 41.

In the chair type massage machine A, the motor 10 for driving the pressing force adjusting means and the tapping massage motor 28, which are relatively heavy, are provided at both ends of the elevating unit 1 as described above. ing. Therefore, the lifting unit 1 is balanced in weight, and the lifting is performed smoothly. Further, since there is no clutch that has been used in the past, the thickness of the backrest 4 can be reduced. Furthermore, since there is no need to use a clutch to transmit the driving force of the motor, it is possible to smoothly switch between various massage operations. In addition, since four types of motors are used: the pressing force adjusting means driving motor 10, the tapping massage motor 28, the elevating motor 5, and the treatment element interval adjusting means driving motor 34, the pressing force adjustment and the tapping massage are performed. , The four functions of elevating the elevating unit and adjusting the treatment element interval can be independently controlled.

[0021]

Since the chair type massage machine of the present invention is constructed as described above, the lifting unit is balanced in weight and the lifting and lowering is smoothly performed.
The thickness of the backrest can be reduced, and the switching of various massage operations can be smoothly performed. In addition, the pressing force adjusting function and the tapping massage function can be independently controlled.

[Brief description of the drawings]

FIG. 1 is a schematic configuration explanatory view of the inside of a chair-type massage machine according to an embodiment of the present invention as viewed from the side.

FIG. 2 is a schematic configuration explanatory view of the inside of the chair type massage machine as viewed from the back.

FIG. 3 is an explanatory view of a main part configuration when the inside of the chair type massage machine is viewed from the back.

FIG. 4 is a sectional view taken along the line IV-IV in FIG. 3;

FIG. 5 is a sectional view taken along the line VV in FIG. 3 when a pressing force is strong in the chair-type massage machine.

FIG. 6 is a sectional view taken along line VV of FIG. 3 when the pressing force is weak in the chair-type massage machine.

FIG. 7 is a cross-sectional view taken along the line VII-VII of FIG. 3 when a pressing force is strong in the chair-type massage machine.

FIG. 8 is a sectional view taken along the line VII-VII of FIG. 3 when the pressing force is weak in the chair type massage machine.

FIG. 9 is a sectional view taken along the line IX-IX of FIG. 3;

FIG. 10 is a cross-sectional view taken along line XX of FIG. 3 when the amount of protrusion of the treatment element is small when performing a beating massage with this chair-type massage machine.
Sectional view along the line.

FIG. 11 is a cross-sectional view taken along line X-X in FIG. 3 when the amount of protrusion of the treatment element is maximum when performing a beating massage with this chair-type massage machine.
Sectional view along the line.

FIG. 12 is a sectional view taken along the line XII-XII of FIG. 3;

FIG. 13 is a sectional view taken along the line XIII-XIII in FIG. 3;

FIG. 14 is an explanatory view of a main part configuration when the inside of the chair type massage machine is viewed from below.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Elevating unit 2 Treatment element 3 Guide rail 4 Backrest part 5 Elevation motor (elevation means) 7 Screw shaft 10 Pressing force adjustment means drive motor (Strength adjustment motor) 20 Treatment element support arm 28 Tapping massage motor (beating) Motor for driving massage means) 34 Motor for driving treatment element interval adjusting means

Claims (1)

(57) [Claims] 1. A chair on which a person to be massaged sits down , a pair of treatment elements provided so as to be movable up and down in a backrest of the chair and having a mutually adjustable distance, and an elevating unit having a support arm thereof, and a treatment element Pressure adjusting means for adjusting the pressing force when the massager is pressed against the massage site, massage means for tapping the massage site with the treatment element, elevating means for elevating the elevating unit, and treatment element for adjusting the distance between the treatment elements A chair-type massage machine comprising: an interval adjusting unit; and a pressing force adjusting unit driving motor and a tapping massage unit driving motor provided respectively at both ends of the elevating unit.