JP3342667B2 - 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 massage machine.

[0002]

2. Description of the Related Art For example, in a conventional chair type massage machine having a seat portion and a backrest portion, a pair of upper and lower slide rails are provided on a support provided on the backrest portion in the left-right direction. A massage tool having a ball is supported movably in the left-right direction, a screw shaft is provided between the pair of slide rails in parallel with the slide rail, and a nut body provided on the back side of the massage tool is screwed to the screw shaft. Attached, the worm meshing with the worm gear part of the nut body is rotated forward or reverse by the left and right movement motor provided on the massager,
There is an apparatus in which the massager can be moved in the left-right direction by rotating the nut body forward or backward (Japanese Patent Application Laid-Open No. 9-262264).

[0003] In this case, a massage tool provided with a kneading ball can be moved to the left and right on the backrest portion of the massage machine, so that the operation position of the kneading ball in the left and right direction of the human body is wider than in the past, and the user himself / herself can hold the body. It is possible to massage a desired part on the left end or right end of the body without moving left and right.

[0004]

However, conventionally, a long left and right screw shaft arranged parallel to the left and right rails is required, and a nut body screwed to the screw shaft and a worm gear of the nut body are required. It is necessary to provide a worm that meshes with the part, and the mechanism for making the massage tool movable left and right is very complicated, the production is troublesome, and the production cost is high. In addition, in order to move the massage tool in the left-right direction, it is necessary to rotate the nut body many times with respect to the screw axis,
It was also difficult to move the massager smoothly from side to side. In addition, since there are long screw shafts on the left and right, maintenance such as measures against rust of the screw shafts is also troublesome.

The present invention has been made in view of the above problems, and provides a massage machine which can smoothly move a massager in the left-right direction with a simple structure, can be easily maintained and inspected, is easy to manufacture, and can be provided at low cost. It was made.

[0006]

The technical solution of the present invention for solving the above-mentioned problems is to provide a support 4 with rails 23 in the left and right direction.
In the massage machine in which the massage tool 8 provided with the kneading balls 9 is movably held on the rails 23 and 24 in the left-right direction, the first link 35 is provided on the massage tool 8 side.
Are swingably connected, and the second link 37 is swingably connected to the support 4 side, and the first link 35 or the second link 3
7 is provided with a driving means 12 for reciprocatingly oscillating one of the first link 35 and the first link 35 or the second link 37.
The first link 35 and the second link 3 are arranged so that the massage device 8 reciprocates in the left-right direction along the rails 23 and 24.
7 in that the free end sides thereof are flexibly connected to each other.

Accordingly, the first link 35 and the second link 37
A screw shaft that is long in the left and right as in the related art is not required, and it is not necessary to provide a nut body having a worm gear portion and a worm that meshes with the worm gear portion of the nut body. The mechanism for making the right and left freely movable can be configured with a very simple configuration, and the manufacturing is easy and the manufacturing cost is low. In addition, in order to move the massage tool in the left-right direction, a driving unit such as a motor may be used.
What is necessary is just to swing the first link 35 or the second link 37 back and forth, and the massage tool 8 can be smoothly moved left and right. Further, since there is no longer a long screw shaft on the left and right, and a mechanism for making the massage tool 8 freely movable in the left and right suffices for a very simple configuration, maintenance and inspection of this mechanism is also simplified.

[0008] Another technical means of the present invention is a massage device 8
The point is that the rails 23 and 24 are curved in an arc shape that protrudes outward at the center in the left and right direction so that the rails move in an arc shape in the left and right direction along the human body shape of the user. Therefore, using a very simple left and right moving mechanism using the first link 35 and the second link 37, the rail 2 is simply used.
3 and 24 are only curved in an arc, and the massage device 8
Is moved in an arc shape in the left-right direction along the human body shape of the user, and effective massage can be performed by the massage tool 8.

[0009] Another technical means of the present invention is a massage device 8
The left or right moving motor 12 is provided on the side or the side of the support 4, and one end of the first link 35 or the second link 37 is fixed to the rotating shaft 12 a of the left and right moving motor 12.
Therefore, the massage tool 8 can be smoothly moved left and right by the rotational power of the left and right movement motor 12.

Another technical means of the present invention is a massage device 8
On the side, rolling rollers 28 and 32 that are rotatably fitted to the rails 23 and 24 are provided, and the rolling rollers 28 and 32 are provided.
And the rails 2 so that the rails 23 and 24 are
Nipping rollers 29, 3 which rollably contact the rollers 3, 24
3 is provided. Therefore, the rolling rollers 28,
32 and the holding rollers 29, 33, the massage device 8
It is possible to effectively prevent the backlash of the massage tool 8 when moving the massage tool 8 in the left-right direction, and to move the massage tool 8 more smoothly in the left-right direction.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. The drawings show the internal configuration of the backrest portion of the chair-type massage machine according to the present invention. In the drawing,
The chair type massage machine has a seat portion and a backrest portion 1.
A frame 3 having left and right vertical rails 2 is provided in the backrest 1 of the massage machine. A frame-shaped support 4 is held by the side rails 2 of the frame 3 via four rotating wheels 5 so as to be movable up and down, and a massage tool 8 is supported by the support 4 so as to be movable left and right.

The massage tool 8 includes a plurality of kneading balls (massage rollers) 9, a drive unit 10, and a massage motor 11. A kneading operation shaft 14 and a hitting operation shaft 15 project from both left and right sides of the drive unit 10,
A pair of left and right drive arms 17 are rotatably held at both ends of the kneading operation shaft 14, and both ends of the hitting operation shaft 15 are connected to a drive arm 18 via a ball joint 19. The support arm 18 is fixed to the support arm 18, and the kneading balls 9 are attached to upper and lower ends of the support arm 18. Thereby, the rotational power of the massage motor 11 is transmitted to the kneading operation shaft 14 or the hitting operation shaft 15, and the respective kneading balls 9 are transmitted via the drive arm 17 and the support arm 18.
It is configured to perform a kneading operation and a hitting operation.

A top 21 is fixed to the support 4 of the massage tool 8 and a feed screw 22 is disposed in the backrest 4 in a vertical direction.
Is screwed into the top 21, and the feed screw 22 is rotated by a lifting motor (not shown) provided below the backrest 1, so that the support 4 moves up and down together with the massage tool 8. The lifting means of the massage device 8 can be replaced with a winding drive mechanism, a meshing structure of a rack and a pinion, or a lifting and lowering drive structure using a fluid pressure cylinder or the like.

A pair of upper and lower rails 23 and lower left and right rails 24 are provided on the support 4 of the massage tool 8 in the horizontal direction. The motor 11 for massage is fixed to the drive unit 10 of the massage tool 8 via a bracket 25, and the motor 12 for right and left movement is fixed via a bracket 26. At the upper end of the drive unit 10,
A pair of upper rolling rollers 28 is provided via a stay 27, and a pair of upper holding rollers 29 is provided via a stay 30 so as to correspond to each upper rolling roller 28.
The pair of left and right upper rolling rollers 28 are rotatably fitted and held on the upper and left and right rails 23, and the pair of left and right upper holding rollers 29 move the upper and left and right rails 23 back and forth between the corresponding upper rolling rollers 28. Rollably contact the front surface of the upper left and right rails 23 so as to pinch it. Accordingly, the drive unit 10 to the massage tool 8 are held by the upper rolling rollers 28 and the upper holding rollers 29 so as to be movable in the left-right direction so as not to rattle with respect to the upper left-right rail 23 in the front-rear and up-down directions.

A stay 31 is provided at the lower end of the drive unit 21.
The lower rolling roller 32 is provided as a pair of left and right via
The lower holding roller 33 is connected to each lower rolling roller 32 via a stay 34.
Are provided as a pair on the left and right. The pair of left and right lower rolling rollers 32 are rotatably fitted and held on the lower left and right rails 24, and the pair of left and right lower holding rollers 33 move the lower left and right rails 24 back and forth between the corresponding lower rolling rollers 32. Rollably contact the front surfaces of the lower left and right rails 24 so as to pinch them. Therefore, the driving unit 10 to the massage device 8
The lower rolling roller 32 and the lower holding roller 33 prevent the lower left and right rail 23 from rattling back and forth and up and down.
It is held movably in the left-right direction.

The left and right moving motor 1 on the massage device 8 side
One end of the first link 35 is fixed to the second rotating shaft 12a, and thereby the first link 35 is connected to the massage device 8 side so as to swing with the rotation of the rotating shaft 12a of the left and right moving motor 12. ing. A support bracket 36 protrudes from a lower left portion of the support 4 of the massage device 8, and a second link 37 is connected to a distal end of the support bracket 36 so as to be swingable about a vertical axis 39. The free ends of the first link 35 and the second link 37 are flexibly connected to each other around a longitudinal axis 40. Therefore, by rotating the rotating shaft 12a of the left / right moving motor 12 forward or backward to swing the first link 35 back and forth around the rotating shaft 12a, the first link 3
The free end side of the fifth link 5 and the second link 37 bends to change the connection angle of each other, so that the massage tool 8 reciprocates in the left-right direction along the upper left-right rail 23 and the lower left-right rail 24. Also, the pair of upper and lower right and left rails 2
3 and 24 are curved in an arc shape such that the center side in the left-right direction projects outward, and the massage tool 8 is
And when reciprocating in the left and right direction along the upper left and right rails 24, the massage tool 8 is configured to move in an arc shape in the left and right direction along the human body shape of the user.

According to the above embodiment, the massage machine 1
The user sitting on the vehicle operates a controller (not shown) to rotate the rotary shaft 12a of the left / right moving motor 12 as shown in FIG.
Is rotated in the direction of arrow a, the first link 35 swings in the same direction around the rotation shaft 12a, and the first link 35 and the second link 37 are swung with the swing of the first link 35 in the direction a. As the bending angle of the first link 35 expands due to the bending operation, the free end of the first link 35 moves so as to draw a locus indicated by a chain line A, and the massage tool 8 moves to the upper left and right rails 23 and the lower left and right rails 24. Move right along. At this time, since the pair of upper and lower right and left rails 23 and 24 are curved in an arc shape, the massage tool 8 is circularly moved rightward along the upper left and right rails 23 and 24 so as to follow the human body shape of the user. Move in an arc.

When the controller is operated to rotate the rotating shaft 12a of the left / right moving motor 12 in the direction of arrow b as shown in FIG. 1, the first link 35 swings around the rotating shaft 12a in the same direction. As the first link 35 swings in the direction b, the first link 35 and the second link 37 bend and the connecting angle of each other decreases, and the free end of the first link 35 Then, the massage tool 8 moves leftward along the upper left rail 23 and the upper left rail 24. At this time, since the upper and lower pair of left and right rails 23 and 24 are curved in an arc shape, the massage tool 8 is turned leftward along the upper left and right rails 23 and the lower left and right rails 24 so as to follow the human body shape of the user. Move in an arc.

In the above-described embodiment, the left-right moving motor 12 is provided on the massage tool 8 side, and the left-right moving motor 1 is provided.
One end of the first link 35 is fixed to the second rotating shaft 12a,
The left and right movement motor 12 is moved left and right together with the massage tool 8, but instead of this, the first link 35 is connected to the drive unit 10 and the like on the massage tool 8 side so as to be swingable about the vertical axis. A moving motor 12 is provided on the support 4 side, and a rotating shaft 12 of the left and right moving motor 12 is provided.
One end of the second link 37 may be fixed to a, and the second link 37 may be swung by the left and right movement motor 12 to move the massage tool 8 left and right.

In the above-described embodiment, the first link 35 is oscillated by the left / right moving motor 12.
Instead, the first link 35 is connected to the massage device 8 side so as to be swingable about the longitudinal axis, and the second link 37 is connected to the support body 4 so as to be swingable about the longitudinal axis. 3
One of the fifth and second links 37 may be reciprocally oscillated by a solenoid, a cylinder, or other driving means.

The present invention is not limited to the above embodiment. For example, the massage device 8 may be configured to perform only a beating operation, or may be configured to perform only a kneading operation. Further, in the above embodiment,
Although a pair of left and right rails is provided in the upper and lower sides, one or three or more left and right rails may be provided instead.

[0022]

According to the present invention, it is sufficient to provide the first link 35 and the second link 37, which eliminates the need for a long screw shaft as in the conventional case. In addition, there is no need to provide a worm that meshes with the worm gear portion of the nut body, and the mechanism for making the massage tool 8 freely movable in the left and right direction has a very simple configuration, so that manufacturing is easy and manufacturing costs are reduced. In addition, in order to move the massage tool in the left-right direction, the first link 35 or the second link 37 may be swung by a driving unit such as a motor, and the massage tool 8 can be moved smoothly left and right. . Further, since there is no longer a long screw shaft on the left and right, and a mechanism for making the massage tool 8 freely movable in the left and right suffices for a very simple configuration, maintenance and inspection of this mechanism is also simplified.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view taken along the line CC of FIG. 2, showing one embodiment of the present invention.

FIG. 2 is a rear view of the same.

FIG. 3 is a side view of the same.

FIG. 4 is a sectional view taken along line AA of FIG. 2;

FIG. 5 is a sectional view taken along the line BB of FIG. 2;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 4 Support body 8 Massager 12 Left-right movement motor 23 Upper left-right rail 24 Lower left-right rail 28 Upper rolling roller 29 Upper pinching roller 32 Lower rolling roller 33 Lower pinching roller 35 First link 37 Second link

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A61H 7/00 A61H 15/00 A61H 23/02

Claims (4)

(57) [Claims] 1. A rail (23, 2) extending in the left-right direction is
4) A massaging machine in which a massaging device (8) provided with massaging balls (9) is movably held on rails (23, 24) in the left-right direction, wherein a first link is provided on the massaging device (8) side. (35) is swingably connected, a second link (37) is swingably connected to the support (4) side, and one of the first link (35) and the second link (37) is reciprocated. Moving means (12) is provided for moving the first link (35) or the second link (37).
The free ends of the first link (35) and the second link (37) bend each other such that the massage tool (8) reciprocates in the left-right direction along the rails (23, 24) by the reciprocating swing of. A massage machine characterized by being freely connected. 2. The rails (23, 24) are formed in an arc shape in which the center in the left-right direction projects outward so that the massage tool (8) moves in an arc shape in the left-right direction along the human body shape of the user. The massage machine according to claim 1, wherein the massage machine is curved. 3. A massage device (8) side or a support (4).
A left-right moving motor (12) is provided on the side, and a first link (35) is attached to a rotating shaft (12a) of the left-right moving motor (12).
The massage machine according to claim 1 or 2, wherein one end of the second link (37) is fixedly provided. 4. A rolling roller (28, 22) rotatably fitted to the rail (23, 24) on the massage device (8) side.
32) are provided, and the holding rollers (28, 32) are rotatably contacted with the rails (23, 24) so as to hold the rails (23, 24) therebetween. The massage machine according to any one of claims 1 to 3, wherein (29, 33) is provided.