JP2003205007A - Chair with foot massage roller - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a chair with a foot massage roller in which the foot massage roller can be automatically moved to a desired position. <P>SOLUTION: A guide arm 14 is pivotally supported on the front end side of a seat part 3 to be freely turnable around a horizontal shaft 11, and the foot massage roller 12 is supported on a slide frame 15 to be guided movably along the guide arm 14. The slide frame 15 is linked freely turnable through a horizontal shaft 18 on one end of a connecting link 17 of which the other end is pivotally supported freely turnable by a horizontal shaft 16 at a fixed position under the seat part 3, and when the guide arm 14 is swung by an actuator 19, while being linked with such a swing, the slide frame 15 is moved along the guide arm 14 together with the foot massage roller 12. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
The present invention relates to a massage chair with a foot massage roller for performing a massage from the sole of the foot to the lower leg.

[0002]

2. Description of the Related Art Conventionally, in a seated state, a massage roller provided in a massage unit built into a backrest performs a rubbing operation and a tapping operation to massage the back side of the body. In the above, a product including a foot massage roller for massaging from the sole to the lower leg is commercialized.

[0003]

In such a conventional chair with a foot massage roller, the supporting position of the foot massage roller is manually moved and adjusted according to the portion to be massaged, which is not convenient. , There was a problem that adjustment took time,

Further, in such a conventional chair with a foot massage roller, since the position of the foot massage roller is fixed at a fixed position during the massage, only a partial massage can be performed and a sufficient massage is performed. There was a problem that it was not effective.

Therefore, the present invention solves the problems in the prior art as described above, and provides a chair with a foot massage roller that can automatically and quickly move the foot massage roller to a desired position. An object of the present invention is to provide a chair with a foot massage roller, which is capable of continuously massaging a wide range of parts from the soles to the lower legs and has an excellent massage effect.

[0006]

In order to achieve the above object, the chair with a foot massage roller of the present invention is such that the upper end side of the chair is rotatable on the front end side of the seating portion and around a first horizontal axis oriented in the left-right direction. A guide arm axially mounted on the lower end side of the seating portion such that the lower end side of the seating portion can swing and displace within a range extending from the lower front end to the front of the seating portion; A slide frame movably guided by the guide arm along its longitudinal direction; a foot massage roller supported by the slide frame for massaging the soles or lower legs; and a fixed position below the seating portion. , One end of which is pivotally rotatable about a second horizontal axis parallel to the first horizontal axis, and the other end of which is parallel to the first horizontal axis with respect to the slide frame. water The foot massage roller is configured to be displaced along with the slide frame along with the slide frame in conjunction with the swing displacement of the guide arm. .

In the chair with the foot massage roller of the present invention, it is desirable that the actuator has a function of causing the guide arm to repeat a continuous swing motion.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an embodiment of a chair with a foot massage roller of the present invention. A chair with a foot massage roller (hereinafter, simply referred to as chair) 1 is a main body (not shown) to which a supporting leg 2 is fixed. The seat portion 3 is arranged on the upper part of the frame, and the armrest portions 4, 5 are arranged on both left and right sides of the seat portion 3.

A backrest 6 is provided from the rear end side of the seat 3 upward. In this embodiment, the lower end of the backrest 6 is pivotally attached to the main body frame, and has a reclining structure capable of tilting rearward of the seat 3.

A guide rail 7 is provided inside the backrest 6.
Is provided with a massage unit 8 that moves up and down, and a massage roller 9 of the massage unit 8 covers the back side of the user of the chair 1 seated in the seat 3 and the surface of the backrest 6. The outer cloth 10 is massaged by being pressed or hit from the inside. In addition, in FIG. 1, in order to explain the internal structure of the massage unit 8 and the like, the exterior cloth 10
Is cut out and drawn.

A foot massage unit 13 containing a foot massage roller 12 is connected to the front end of the seat 3 by a first horizontal shaft 11 oriented in the left-right direction. In the present embodiment, the foot massage unit 13 also serves as a foot rest, and the surface of the foot massage unit 13 has flexibility so that the exterior cloth 10 of the backrest is provided.
It is covered with a similar exterior cloth.

As shown in FIGS. 2 and 3, the horizontal shaft 1
Reference numeral 1 denotes the front end of the frame 3A on the side of the seating portion 3 and the upper end of each of a pair of guide arms 14 provided inside the left and right sides of the foot massage unit 13 so as to be rotatable. The lower ends of the guide arms 14 are swingably movable within a range from the lower front end of the seat 3 to the front.

2 and 3, the foot massage unit 13 shown in FIG. 1 is shown for convenience of explanation.
The outer side portion of is not shown, and only the built-in foot massage roller 12 and guide arm 14 are shown.

Each of the pair of guide arms 14 has its lower part curved forward in a bow shape or a letter shape,
They are integrally connected to each other by connecting members (not shown).

Further, each of the guide arms 14 has a guide surface having a U-shaped cross section which is open to the inside, and supports the left and right ends of the foot massage roller 12 on these guide surfaces. A pair of slide frames 15
Are guided and supported so as to be movable in the longitudinal direction of the guide arm 14.

In the present embodiment, the foot massage roller 12 includes a plurality of roller bodies 12A for massaging the soles and the lower backs of the lower legs and the legs and lower legs from both sides as shown in FIG. It is composed of an inclined disk 12B which is sandwiched and massaged so as to be massaged, and is rotationally driven by a motor (not shown).

Although not shown in detail, two guide rollers are rotatably attached to each slide frame 15 at intervals in the front and rear of the moving direction, and guide rollers 14 guide each other. By rolling these guide rollers on the surface, it is possible to move smoothly with respect to the guide arm 14 of the slide frame 15.

The lower end of the link bracket 3B, which extends downward from the lower surface of the intermediate position of the frame 3A on the side of the seating portion 3, is rotatable around a second horizontal shaft 16 parallel to the horizontal shaft 11. One end of the connecting link 17 is pivotally attached.

A third horizontal shaft 18 parallel to the horizontal shaft 11 is supported between the upper ends of the left and right slide frames 15, and the other end of the connecting link 17 is connected to the horizontal shaft 1.
The connecting link 17 is connected to an intermediate position of 8 so that the connecting link 17 can rotate about the horizontal axis 18 with respect to the pair of slide frames 15.

On the other hand, a linear actuating type actuator 19 is provided below the seat 3. The actuator 19 has a casing 19A whose base end portion has a horizontal shaft 1
A horizontal shaft 20 parallel to the shaft 1 is rotatably mounted on a bracket (not shown) provided on the lower surface of the frame 3A on the seating portion 3 side so as to project.

The actuator 19 is a casing 1
9A has a retractable actuating rod 19B projecting to the side opposite to the base end side, and the tip of this actuating rod 19B is provided with a pair of guide arms 14 via a horizontal shaft 21 parallel to the horizontal shaft 11. It is rotatably attached to the intermediate position of.

In this embodiment, the horizontal shaft 21
Both ends of the horizontal shaft 21 are respectively connected to a pair of guide arms 14, and the horizontal shaft 21 is connected to the left and right guide arms 14.
It is also used as part of a connecting member for connecting them together.

The operating rod 19B is the casing 1
The portion projecting from 9A is covered with a bellows-shaped expandable cover 19C, and a motor 19D attached to the casing 19A rotates a nut screwed to a screw formed on the outside of the operating rod 19B. It is designed to expand and contract.

The motor 19D is controlled by a drive control device (not shown) incorporated in a control box 22 arranged below the seat 3 shown in FIG. It is supposed to be.

Next, the operation of the chair 1 described above will be described with reference to FIGS. The user M of the chair 1 is shown in FIG.
With the guide arm 14 lowered as shown in FIG. 1, sit down deeply on the seat 3 so that the back is attached to the backrest 6,
The toes are separated from the floor surface G and placed on the foot massage roller 12. In addition, actually, the feet are placed on the foot massage roller 12 from above the exterior cloth covering the surface of the foot massage unit 13 shown in FIG.

In this state, the foot massage roller 1
Since 2 is located at the position facing the sole, the foot massage roller 12 can be driven to massage the sole.

Next, when massaging the lower leg, the actuator 19 is driven and the telescopic rod 19B is extended, whereby the guide arm 14 swings around the horizontal axis 11 toward the upper front. Go.

At this time, since the slide frame 15 guided and supported by the guide arm 14 is connected by the connecting link 17 to the link bracket 3B provided on the frame 3A on the seating portion 3 side, the guide frame 14 of the guide arm 14 is prevented. As it moves, it moves up along the guide arm 14, and the position of the foot massage roller 12 moves below the lower leg as shown in FIG.

At this position, the actuator 19 is stopped,
By driving the foot massage roller 12, the lower leg can be massaged. Drive control of the actuator 19 and the foot massage roller 12 is performed by operating an operation unit provided on the chair 1 or an operation button of a remote controller held by the user while the user M is sitting on the chair 1. The motor 19D of the actuator 19 can be normally or reversely rotated to swing the guide arm 14 and quickly move the foot massage roller 12 to a position where the user wants to massage.

In the chair 1 of this embodiment,
The motor 19D of the actuator 19 is driven and controlled by a drive control device incorporated in the control box 22 shown in FIG. 1 so as to periodically switch its rotation direction, thereby repeating a continuous swing motion in the guide arm 14. It can be done.

When the guide arm 14 continuously repeats the oscillating motion, the foot massage roller 12 repeatedly moves along the guide arm 14 so as to interlock with the oscillating motion, and the lower leg portion supported on the foot massage roller 12 is moved. The knee joint is bent and stretched while being swung back and forth, and the moving foot massage roller 12 massages the sole of the foot and the lower leg while changing the massage portion.

In the present embodiment, the motor 19D of the actuator 19 and the foot massage roller 12 are
The operating time of the motor for driving the motor is controlled by the timer means incorporated in the drive control device, which allows the user to set a desired time.

Further, in this embodiment, the user can set the upper limit position and the lower limit position of the swing motion of the guide arm 14 so that the moving range of the foot massage roller 12 can be changed to a desired range. Has become.

It is desirable that the motor 19D can smoothly and periodically change its rotation speed and rotation direction by inverter control or the like, and it is also desirable that its cycle be variable.

Further, in the present embodiment, as an actuator for oscillating and displacing the guide arm 14,
Although the electric linear actuator 13 is used, the actuator is not limited to this, and a fluid cylinder device may be used, for example. Alternatively, a motor with a speed reducer may be used as the actuator, and this rotation may be converted into the swing motion of the guide arm 14 via the crank mechanism.

Further, the actuator 19 may be drive-controlled so that the swing amplitude and the swing cycle of the guide arm 14 are temporally changed according to a preset program.

In this embodiment, a pair of left and right guide arms 14 is provided, but the present invention is not limited to this. For example, a guide arm with high rigidity is provided at the center position in the width direction on the front end side of the seat portion 3. Only one of them may be arranged so that the guide arm guides the slide frame supporting the foot massage roller.

Further, in this embodiment, the backrest portion 6 is provided.
The massage unit 8 for performing the back side massage and the massage mechanism such as the guide rail 7 for guiding the ascending / descending operation are built in, but the backrest portion may have a structure without such a massage mechanism. Often,
Further, the backrest portion may be fixed to the main body frame so as not to perform the reclining operation.

[0039]

As described above, according to the first aspect of the present invention, the foot massage roller is positioned at the desired position where the user wants to massage the soles or lower legs with the user sitting on the chair. Since it can be moved automatically and quickly, the operability can be improved as compared with the conventional one in which the position of the foot massage roller is manually adjusted every time the massage site is moved. it can.

According to the invention described in claim 2,
The guide arm is caused to repeatedly repeat the swing motion by the actuator, and in conjunction with this, the foot massage roller is repeatedly moved along the guide arm, so that the lower leg supported by the foot massage roller swings back and forth. While the knee joint is flexed and extended while the massage roller moves the massage position to massage the soles and lower legs, the muscles of the lower legs are relaxed and blood circulation is improved, which is excellent. A massage effect is obtained.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a chair with a foot massage roller of the present invention.

FIG. 2 is an operation explanatory view of the chair with the foot massage roller of the present invention.

FIG. 3 is an operation explanatory view of the chair with the foot massage roller of the present invention.

[Explanation of symbols]

1 chair 2 support legs 3 Seat 3A frame 3B link bracket 4,5 arm rest 6 backrest 7 Guide rail 8 massage units 9 massage rollers 10 Exterior cloth 11 (first) horizontal axis 12 foot massage roller 13 foot massage unit 14 Guide arm 15 slide frame 16 (second) horizontal axis 17 Link 18 (third) horizontal axis 19 actuators 19A casing 19B operating rod 19C telescopic cover 19D motor 20, 21 Horizontal axis 22 Control box

Claims (2)

[Claims] 1. A front end side of a seating portion is rotatably pivoted around a first horizontal axis oriented in the left-right direction, and the other end is forward from a lower front end of the seating portion. A guide arm that is swingably displaceable within a range, an actuator that swings and displaces the guide arm to a desired position within the range, and a guide arm that is movable along the longitudinal direction of the guide arm. A slide frame supported by the slide frame, a foot massage roller for massaging the sole or the lower leg, and a second horizontal axis parallel to the first horizontal axis at a fixed position below the seat. A connecting link whose one end is rotatably attached to the slide frame and the other end is rotatably attached to a slide frame about a third horizontal axis parallel to the first horizontal axis. Equipped with a guide arm swing displacement Conjunction with, foot massage roller chairs for foot massage roller is characterized in that it has to displace along the guide arm together with the slide frame. 2. The chair with a foot massage roller according to claim 1, wherein the actuator has a function of causing the guide arm to repeat a continuous swing motion.