JPH0654884A - Chair type massage device - Google Patents

Abstract

PURPOSE:To curtail the number of parts, to simplify the constitution, and to provide the device at a low cost by constituting a therapeutic means contained in the back part of a chair, of a pair of disk members driven to rotate by a driving means, and providing at least one projection in each disk member. CONSTITUTION:This massage unit 3 contained in the back part of a frame member constituted to a chair is provided with the lower gear case 21 fixed to the upper part of a base plate member 20. In the lower of this lower gear case 21, a shaft 23 is which a worm gear 24 of a motor 22 is fixed and provided is inserted, and by rotation of the worm gear 24, wheel 25 is rotated, and a pair of left and right disk members 31, 32 fixed to both ends of a shaft 26 are rotated. Each disk member 31, 32 is formed by supporting pivotally three rollers 33, 34 ... at an equal angle interval, respectively, and energized to the inside of the back part by energizing force of a torsion coil spring 43 installed in a fitting pipe member 9 provided on the back side of the base plate member 20.

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 device having a seating surface portion and a back surface portion connected to the seating surface portion, and the back surface portion having a treatment means incorporated therein.

[0002]

2. Description of the Related Art Generally, a tapping mechanism having a tapping effect, which is applied to a chair type massage device having a seating surface portion and a back surface portion connected to the seating surface portion and having a treatment means built in the back surface portion, is, for example, There are those disclosed in Japanese Patent Publication No. 1-49496 and those disclosed in Japanese Patent Laid-Open No. 3-139355.

[0003]

However, in such a conventional device, the structure of the striking mechanism is complicated,
The number of parts is large and the device cost is high, which is a problem.

In order to allow the user to perform a tapping action even when the user strongly presses his / her back against the back part,
Since a large motor that generates a large torque is required as a drive motor for the beating mechanism, the beating mechanism becomes large and heavy, and in some cases the chair-type massage device may fall over. there were.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a chair-type massage device which can realize a small-sized and low-priced treatment means having a tapping mechanism.

[0006]

According to the present invention, there is provided a chair type massage device having a seat surface portion and a back surface portion connected to the seat surface portion, and the back surface portion having a built-in treatment means. A pair of disc members arranged apart from each other,
Each disk member is provided with a projection provided with at least one, and a drive means for rotationally driving the disk member.

Further, in a chair type massage device having a seat surface portion and a back surface portion connected to the seat surface portion, and the back surface portion having a built-in treatment means, the treatment means are provided as a pair arranged at a predetermined interval. Disc members, at least one disc member provided on each disc member, and a projection positioned so that the disc members are not simultaneously located at the treatment position when the pair of disc members rotate, and a drive means for rotationally driving the disc members. Be prepared.

Further, in a chair type massage device having a seat surface portion and a back surface portion connected to the seat surface portion, and the back surface portion having a built-in treatment means, the treatment means are a pair of treatment elements arranged at a predetermined interval. Disc members, at least one protrusion provided on each disc member, drive means for rotationally driving the disc members, and biasing means for biasing the disc members toward the treatment position outside with a predetermined biasing force. It is equipped with.

[0009]

Therefore, the treatment means having a tapping effect can be realized with a small number of parts and in a small size. Further, since the disc member is urged outward by a predetermined urging force, the force received by the disc member at the treatment position is limited to the urging force of this urging means. A small motor or the like can be used, and the treatment means can be made small and lightweight.

[0010]

Embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

FIG. 1 shows a chair type massage device according to an embodiment of the present invention.

In the figure, this chair type massage device comprises a frame member 1 for maintaining a chair shape, an exterior part 2 to be put on the frame member 1, and a massage unit 3 for performing a massage operation with a tapping effect.

The frame member 1 comprises a seat frame member 4 forming a seat surface and a back frame member 5 forming a back surface.
Are connected by using connecting members 6 and 7.

The exterior part 2 is formed by wrapping and sewn a cushion material arranged on the seating surface and the peripheral part of the back surface with a cloth or the like. No cushion material is arranged on the treatment section 8 at the center of the back surface, and only the cloth is sewn. As a result, in the treatment section 8, the massage operation of the massage unit 3 is directly felt by the user sitting in this chair type massage device, and therefore the massage effect by the massage unit 3 is enhanced.

The massage unit 3 is fixed to a substantially central portion of the mounting pipe member 9, and mounting metal fittings 10 and 11 are fixed to both ends of the mounting pipe member 9. Then, the fittings 10 and 11 are fixed to the rear frame member 5 of the frame member 1 by the mounting screws 12 and 13 with knobs.

As a result, the massage unit 3 is attached to the back frame member 5 of the frame member 1. Further, the back frame member 5 is formed with a plurality of screw holes into which the mounting screws 12 and 13 are screwed, so that the massage unit 3 can be mounted at a height desired by the user. I am able to

A power switch 15 is provided in the middle of the power cable 14 of the massage unit 3, and the operation of the massage unit 3 can be manually operated by operating the power switch 15.

2 and 3 show a massage unit 3
Shows an example.

In the figure, a lower gear case 21 is fixed to an upper portion of a base plate member 20, and a shaft 23 of a motor 22 is inserted from a lower portion of the lower gear case 21. A worm gear 24 is attached to the shaft 23 of the motor 22.
The worm wheel 25 screwed onto the worm gear 24 is fixed to the shaft 26.

The shaft 26 is the bearing portion 2 of the lower gear case 21.
It is received by bearing members 29 and 30 fixed to 7 and 28, and disk members 31 and 32 are fixed to both ends thereof.

As shown in FIGS. 4 (a) and 4 (b), the disk member 31 and the disk member 32 have three rollers 33, 34, 35 and rollers 36, 37, 3 respectively.
8 is rotatable, and the disk member 31 and the disk member 3
It is attached at an equiangular interval of 120 degrees with respect to the center of rotation of 2. Further, when the disc member 31 and the disc member 32 rotate, the rollers 33, 34, 35 of the disc member 31 are rotated.
Then, the mounting modes of the disk member 31 and the disk member 32 with respect to the shaft 26 are set so that the rollers 36, 37, 38 of the disk member 32 do not contact the user's body at the same time. In this case, when the roller 33 is located at the top of the disk member 31, the roller 36 is located at the bottom of the disk member 32.

Further, as shown in FIGS. 5 and 6, the mounting pipe member 9 has a bearing portion 40 formed at a position lower than the center of the rear surface side of the base plate member 20.
The massage unit 3 is rotatably attached to the attachment pipe member 9.

A pin 42 is fitted at a substantially central position of the mounting pipe member 9, and one end 44 of the torsion coil spring 43 inserted into the mounting pipe member 9 is inserted.
Is engaged with this pin 42. The other end portion 45 of the torsion coil spring 43 has the base plate member 2
It is inserted in a rectangular notch 46 formed in 0. In addition, a positioning portion 47 that rises to the back side at a position lower than the bearing portions 40 and 41 is formed in the central portion of the base plate member 20, and the pin 42 with which the end portion 44 of the torsion coil spring 43 is engaged. The end of the engaging part engages with the positioning part 46.

Therefore, in the torsion coil spring 43, the position of the end portion 44 of the torsion coil spring 43 that engages with the pin 42 and the end portion 45 of the torsion coil spring 43.
The base plate member 20 is deformed in such a manner that it is sandwiched between the positions abutting the notches 46 of the base plate member 20, and the positioning force 47 of the base plate member 20 causes the pin 4 to move due to the restoring force.
Abut 2.

As a result, a urging force having a magnitude corresponding to the restoring force of the torsion coil spring 43 and pressing the disc members 31 and 32 toward the inside of the exterior portion 2 acts on the massage unit 3.

The upper gear case 50 includes a motor 22,
Worm wheel 25, shaft 26, and bearing member 2
The roller cover 51 is for covering 9,30.
Is for covering the pin 42, the torsion coil spring 43, and the like. The upper gear case 50 and the roller cover 51 are respectively provided with appropriate means.
It is fixed to the front and the back of 0.

FIG. 7 shows an example of a portion where the mounting member 10 is fixed to the mounting pipe member 9. The mounting member 11 is also fixed to the mounting pipe member 9 in the same manner as the mounting member 10.

In the figure, the mounting member 10 is fixed to the mounting pipe member 9 with screws 52 and 53.

With the above construction, the massage unit 3 is
While being fixed to the frame member 1, the mounting pipe member 9 is rotatably supported and is urged by the torsion coil spring 43 so that the disc members 31 and 32 are externally treated by the treatment section 8 of the exterior section 2. Push part 2 from the inside to the outside.

In this state, when the user sits on the chair type massage device, the user's back is positioned on the treatment section 8,
When the treatment section 8 is pushed, a force for the user to lean back is applied to the disk members 31 and 32.

As a result, the massage unit 3 has
The rotational position of the massage unit 3 is determined in a manner in which an external force (a force for the user to lean back) acts in the direction opposite to the urging force of the torsion coil spring 43 and the forces are balanced.

At the same time, when the user leans back,
Since the massage unit 3 rotates in the direction opposite to the biasing direction of the torsion coil spring 43, the massage unit 3
The external force that acts on the disk members 31 and 32 is substantially constant, so that the load on the motor 22 is substantially constant.

Therefore, when the user operates the power switch 15 to the ON position, the motor 22 rotates, and the driving force of the shaft 23 thereof is the worm gear 24 and the worm wheel 2.
5 is transmitted to the shaft 26.

As a result, the disk members 31, 32 are rotationally driven, and the rollers 33, 34, 35 of the disk member 31 and the rollers 36, 37, 38 of the disk member 32 rotate the disk member 31 and the disk member 32. The rollers 33, 34, 35 and the rollers 36, 37, 38 on the left and right sides of the user's back as a result.
Are sequentially hit, and a tapping massage treatment is performed.

In this way, in this embodiment, the massage unit 3 having a tapping effect can be constructed with a small number of parts, and the massage unit 3 can be miniaturized.

Further, since the load of the motor 22 used as the drive source of the massage unit 3 can be made substantially constant, the torque required for the motor 22 can be suppressed and a small one can be used. Further, by doing so, the weight of the massage unit 3 can be reduced, and a situation in which the chair type massage device falls down can be prevented.

Further, since the mounting pipe member 9 fixing the massage unit 3 is screwed to the rear frame member 5 with the mounting screws 12 and 13 via the mounting members 10 and 11, the rear frame member 5 is fixed. To 5,
By providing a plurality of screw holes having different heights, the massage unit 3 can be attached at the height desired by the user.

Incidentally, in the above-mentioned embodiment, the disk member has three
Although two rollers are provided, the number of rollers is not limited to this.

[0039]

As described above, according to the present invention,
A treatment method with a tapping effect with a small number of parts, and
It can be realized in a small size. Further, since the disc member is urged outward by a predetermined urging force, the force that the disc member receives at the treatment position is limited to the urging force of the urging means.
A small motor or the like can be used as the power of the drive means for driving the disc member, and the treatment means can be made small and lightweight.

[Brief description of drawings]

FIG. 1 is a schematic exploded perspective view showing a chair type massage device according to an embodiment of the present invention.

FIG. 2 is a schematic partial side sectional view showing an example of a massage unit.

FIG. 3 is a schematic partial front sectional view showing an example of a massage unit.

FIG. 4 is a schematic view showing an example of a disk member.

FIG. 5 is a schematic exploded perspective view showing an example of a portion where the base plate member is attached to the attachment pipe member.

FIG. 6 is a schematic partial view showing an example of a portion where a base plate member is attached to an attachment pipe member.

FIG. 7 is a schematic partial view showing an example of fixing the mounting pipe member and the mounting member.

[Explanation of symbols]

 1 Frame Member 2 Exterior Part 3 Massage Unit 9 Mounting Pipe Member 10, 11 Mounting Member 20 Base Plate Member 21 Lower Gear Case 22 Motor 23, 26 Shaft 24 Worm Gear 25 Worm Wheel 27, 28, 40, 41 Bearing Part 29, 30 Bearing Member 31, 32 Disc member 33-38 Roller 42 pin 43 Torsion coil spring

Claims (3)

[Claims] 1. A chair type massage device having a seat surface portion and a back surface portion connected to the seat surface portion, wherein the back surface portion has a built-in treatment means, wherein the treatment means is a pair disposed at a predetermined interval. 2. A chair type massage device comprising: the disk member, a projection provided with at least one disk member on each disk member, and a drive means for rotationally driving the disk member. 2. A chair type massage device having a seat surface portion and a back surface portion connected to the seat surface portion, and the back surface portion having a built-in treatment means, wherein the treatment means are arranged at a predetermined interval. Disc members, at least one disc member provided on each disc member, and a projection positioned so that the disc members are not simultaneously located at the treatment position when the pair of disc members rotate, and a drive means for rotationally driving the disc members. A chair-type massage device characterized by being equipped. 3. A chair type massage device having a seat surface portion and a back surface portion connected to the seat surface portion, wherein the back surface portion has a built-in treatment means, wherein the treatment means is a pair disposed at a predetermined interval. Disc members, at least one protrusion provided on each disc member, drive means for rotationally driving the disc member, and biasing means for biasing the disc member toward the treatment position outside with a predetermined biasing force. A chair type massage device characterized by being equipped with.