JPH0542188A - Massager - Google Patents

Abstract

PURPOSE:To effectively execute massage/loosening irrespective of a position to receive a medical treatment and to obtain a satisfactorily effective medical treatment, in a constitution in which massage rollers for executing a massage action are provided together with pressure rollers for giving pressing stimulation. CONSTITUTION:On the prescribed periphery of supporting plates 3, 3 rotating in connection with a rotation of a rotation axis 2, plural pressure rollers 5, 5 ... having a projecting part on the outside periphery, and a guide roller 6 are mounted. On the periphery mounted with them, massage rollers 7, 7 are fitted into the guide roller 6, so that they can move in the shaft length direction by the guidance of this guide roller 6. Also, these massage rollers 7, 7 are connected to a feed screw shaft 4 parallel to the rotation axis 2 through each separate connecting rod 8, 8, allowed to be approach and recede mutually in accordance with a rotation of the feed screw shaft 4, and massage width corresponding to width of a medical treatment part can be changed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a massager in which a plurality of pressing rollers rotating on a predetermined circumference are provided with a pair of rubbing rollers so as to be able to perform a pressure stimulus and a massage loosening on a treatment section. ..

[0002]

2. Description of the Related Art As a massager having a simple structure to be used for a part of the body such as a neck, a waist and a leg, there is one disclosed in Japanese Patent Laid-Open No. 172954/1987. this is,
A plurality of pressing rollers having a long columnar shape are arranged side by side on a predetermined circumference between a pair of opposing support plates, and the support plates are rotated to rotate on the installation circumference. A plurality of convex portions arranged in parallel on the outer circumference of each pressing roller are used to apply a continuous pressing stimulus to the portion pressed against the rotating peripheral surface for medical treatment.

Further, in recent years, a pair of rubbing rollers inclined in different directions with respect to these are fixedly provided in the middle of the pressing roller in the axial direction, and the rubbing rollers are rotated coaxially with the pressing roller. A massaging device has been put to practical use.

In this structure, when both of the rubbing rollers rotate with the rotation of the pressing roller, a rocking motion occurs due to their respective inclinations, and both rubbing portions of the treatment section to which the pressing stimulus is given by the pressing roller. Further, the effect of loosening and loosening between the rollers is further added, and a good medical treatment effect can be obtained.

[0005]

However, in the conventional massager of this type, the treatment part and the limited part of the body which match the arrangement interval of the pair of kneading rollers in the axial direction of the pressing roller. , For example, when used on the legs, the desired medical effect can be obtained, but other parts,
For example, when it is used on the neck, waist, etc., there is a problem that the massage roller does not effectively loosen the massage.

The present invention has been made in view of such circumstances, and in a constitution in which a pressing roller for giving a pressing stimulus is provided with a rubbing roller for massaging and loosening, an effective massaging and loosening action is always provided regardless of the treatment site. Is done
It is an object of the present invention to provide a massager that can provide a good medical treatment effect.

[0007]

A massage device according to a first aspect of the present invention has a plurality of pressing rollers each having a convex portion on its outer circumference and rotating on a predetermined circumference around its central axis. And a pair of rubbing rollers that rotate around the same axis while tilting in different directions with respect to each other, to the treatment section to which a pressing stimulus is given by the former, in a massager configured to add a rubbing loosening action by the latter, It is characterized in that it comprises means for moving the rubbing roller in the axial direction of the pressing roller so as to approach or separate from each other.

A massager according to a second aspect of the present invention is characterized in that a guide roller for guiding the movement of the rubbing roller is provided on the circumference of the disposition of the pressing roller.

[0009]

In the first aspect of the present invention, the pair of rubbing rollers inclined with respect to the pressing roller are moved toward or away from each other by the movement of the pressing roller in the axial direction, and the massaging section of the rubbing roller is provided between the rubbing rollers. A proper separation distance (rubbing width) is set according to the width so that an effective rubbing and loosening operation is always performed to obtain a good medical treatment effect.

Further, in the second aspect of the present invention, a guide roller that guides the rubbing roller while rotating with the pressing roller is provided on the circumference of the pressing roller, and the above-mentioned movement of the rubbing roller is simple. Will be realized in.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings showing the embodiments. FIG. 1 is an external perspective view of a massager according to the present invention, and FIG. 2 is a transverse sectional view showing its internal structure.

In the figure, reference numeral 1 is a casing having a rectangular box shape. On one side of the casing 1, an arcuate chamfer having a large radius is provided over the entire length over the top surface and side surfaces, and a rectangular opening 1a is formed in this chamfered portion. Is entirely covered with a cloth upper cover 1b.

FIG. 2 is a cross-sectional view of the casing 1 from above, and the lower side of the figure corresponds to the side where the opening 1a is formed. As shown in the figure, a rotary shaft 2 is rotatably supported on the side of the opening 1a inside the casing 1 in a manner along the opening 1a. , A pair of support plates 3 and 3 each having a disk shape are fitted in parallel to each other and face each other.

Further, a feed screw shaft 4 having a screw on the outer circumference is provided parallel to the rotary shaft 2 on the inner side (opposite side of the opening 1a) of the pivotal position of the rotary shaft 2 inside the casing 1. In addition, it is rotatably pivotally supported, and further, on the innermost side of the casing 1, a motor 20 serving as a drive source of the rotating shaft 2 is fixedly installed.

A small pulley 21 is fitted to the output shaft of the motor 20, and a large pulley 22 is fitted to the shaft end of the rotary shaft 2 on the same side, and a V belt 23 is stretched between them. It is hung. Further, one shaft end of the feed screw shaft 4 penetrates the side wall of the casing 1 and is projected to the outside, and a width adjusting dial 40 is fitted to this protruding end.

With the above construction, the rotary shaft 2 is provided with the small pulley 21.
And the large pulley 22 and the rotational force of the motor 20 transmitted through the V belt 23 with a predetermined deceleration, the feed screw shaft 4 rotates the width adjusting dial 40 outside the casing 1. It is rotated in an appropriate direction according to the dynamic operation. As shown in FIG. 1, a switch 41 for turning on and off the motor 20 is arranged on the outside of the casing 1 side by side with the width adjustment dial 40. The rotation drive of the rotary shaft 2 by the motor 20 is performed by the casing. It is performed in response to the operation of the switch 41 on the outside of 1.

FIG. 3 is an enlarged sectional view taken along the line III-III of FIG. 2. As shown in this figure and FIG. 2, three pressing rollers 5, 5, ... The guide roller 6 is erected on a predetermined circumference in the vicinity of the outer periphery of the support plates 3 and 3 in a substantially equal arrangement, and a pair of kneading rollers 7 and 7 are fitted and inserted on the erected circumference. There is. The pressing rollers 5 and 5
The number of ... Is not limited to the three illustrated, and the number of the guide rollers 6 is not limited to one illustrated.

As shown in FIG. 2, the pressing rollers 5, 5 ... Are members formed by arranging a plurality of spherical convex portions in parallel on the outside of a thin long cylinder, and the guide roller 6 is the pressing roller. 5 is a long cylindrical member having an outer diameter approximately equal to the outer diameter of the convex portion of 5, and these are all outside the respective support shafts S, S ... Is loosely fitted relative to them.

The pressing rollers 5, 5, ... And the guide roller 6 are
As the rotary shaft 2 driven by the motor 20 rotates, it rotates on the circumference of the arrangement on the support plates 3 and 3. At this time, the pressing rollers 5, 5 ... Cover the opening 1a. The treatment portion pressed against these rotation circumferences via the upper cover 1b has a function of continuously applying a pressure stimulus to each of the convex portions on the outer circumference.

The rubbing roller 7 has a rubbing protrusion 71 having a semicircular cross section continuously formed on the outer periphery of a short cylindrical base portion 70 along a line inclined by a predetermined angle with respect to the axis of the base portion 70. It has a structure that is projected. As shown in FIG. 3, on the inner peripheral surface of the base portion 70, semicircular recesses 72, 72 ... Are formed in the circumferential direction so as to be equidistantly divided into four, and one of these recesses 72, 72. , The outer circumference of the guide roller 6
The two recesses 72, 72 ... Are loosely fitted around the outer periphery of the pressing rollers 5, 5 ... With a predetermined gap.

With the above structure, the rubbing rollers 7, 7 are supported on the circumference of the arrangement of the pressing rollers 5, 5, ... And the guide roller 6, and rotate around the axis of the rotary shaft 2 as they rotate. Further, due to the guiding action of the guide rollers 6 fitted in the recesses 72, 72 at the respective ones of the inner circumferences of the respective bases 70, 70, the guide rollers 6 and the pressing rollers 5, 5, ... It is possible to slide to.

As shown in FIG. 2, the rubbing rollers 7, 7 are positioned so that the respective rubbing projections 71, 71 are inclined in different directions.
The oscillating motion of repeating the approaching and separating from each other with the above-mentioned rotation of the kneading rollers 7, 7 is a treatment unit pressed between them through the upper cover 1b that covers the opening 1a. It acts to rub and loosen.

On the outer periphery of one end side of the base portion 70 of the rubbing roller 7,
A connecting ring 80 is inserted so as to be rotatable relative to this,
On a part of the outer circumference of the connecting ring 80, a connecting rod 8 extending toward the inner side of the rotary shaft 2 and having its tip screwed onto the feed screw shaft 4 is provided in a protruding manner. As shown in FIG. 2, the screws on the outer periphery of the feed screw shaft 4 are oriented in different directions from the center to both ends, and the connecting rods 8 and 8 projecting from the pair of rubbing rollers 7 and 7 are The screw parts on both sides of the feed screw shaft 4 are screwed together.

When the feed screw shaft 4 is rotated by operating the width adjusting dial 40, the bases 70, 70 of the rubbing rollers 7, 7 are screwed on the outer circumference of the feed screw shaft 4. A feed force is applied in the direction through the respective connecting rods 8 and 8, and the rubbing rollers 7 and 7 are guided by the guide roller 6 so that the guide roller 6 and the pressing rollers 5 and 5 are moved.
Sliding in the axial direction of. At this time, the connecting rods 8, 8
Since the direction of the screw at the screwing part of is different, feed screw shaft 4
The rubbing rollers 7 and 7 slide in the opposite direction due to the rotation of
Both of them approach or separate from each other, and the optimum width (rubbing width) of the treatment section to which a rubbing action is applied between the rubbing rollers 7, 7 can be appropriately changed.

In this embodiment, the feed screw shaft 4 for changing the kneading width is rotated by the manual operation of the width adjusting dial 40. However, like the rotating shaft 2, it is rotationally driven by a dedicated motor. In addition, the rotation of the motor 20 which is the drive source of the rotary shaft 2 is transmitted to the feed screw shaft 4 by an appropriate switching mechanism, whereby the rotation of the feed screw shaft 4 and the change of the kneading width associated therewith are automatically performed. It is also possible to make it take place.

[0026]

As described above in detail, in the massager according to the first aspect of the present invention, a pair of rubbing rollers which are inclined by a predetermined angle with respect to a pressing roller arranged on a predetermined circumference to perform a rubbing action. Is moved in the axial direction of the pressure roller,
Since it is configured to be able to approach or separate from each other, it is possible to select an appropriate rubbing width according to the width of the treatment part, and effective rubbing and loosening is always performed for various treatment parts, and a satisfactory treatment effect is obtained. Be done.

In the massager according to the second aspect of the present invention, the guide roller is provided on the circumference of the pressure roller to guide the movement of the rubbing roller, so that the aforementioned effects can be realized with a simple structure. Etc., the present invention has excellent effects.

[Brief description of drawings]

FIG. 1 is an external perspective view of a massager according to the present invention.

FIG. 2 is a cross-sectional view of the massage device according to the present invention.

FIG. 3 is an enlarged sectional view taken along line III-III in FIG.

[Explanation of symbols] 1 casing 2 rotating shaft 3 support plate 4 feed screw shaft 5 pressing roller 6 guide roller 7 rubbing roller 8 connecting rod 20 motor 40 width adjustment dial

Claims (2)

[Claims] 1. A plurality of pressing rollers each having a convex portion on its outer circumference and rotating on a predetermined circumference around its central axis,
In the massager, which is provided with a pair of rubbing rollers that are inclined in different directions with respect to each other and that rotates about the same axis, and to which the former massage treatment part is given a pressure stimulus by the former, the massage treatment is performed by the latter. A massager comprising means for moving a roller in the axial direction of the pressing roller so as to approach or separate from each other. 2. A guide roller for guiding the movement of the rubbing roller is provided on the circumference of the pressing roller.
Massager described.