JP2001029417A - Chair type massager - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide effective massages irrespective of differences among individuals in length and shape of legs. SOLUTION: This massager includes a footrest 1 having a leg massaging means, a switch means 85 for switching the footrest 1 to a service position located in front of the seat part of a chair and to a storage position located below the seat part, and longitudinal position adjusting means 10 and 70 for adjusting the longitudinal position of the footrest 1 relative to the switch means 85 in the service position. The longitudinal position of the footrest 1 can be adjusted according to the lengths of legs.

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-type massage machine having a footrest provided with leg massage means.

[0002]

2. Description of the Related Art In a chair-type massage machine provided with a leg rest provided with massaging means for a leg, the leg rest is used at a position in front of a seat of a chair and in a storage position at a position below the seat. With the switching means for switching between the two, it is possible to prevent the footrest from being in the way when the footrest is not used, and to place the footrest in an appropriate position when the footrest is used. The platform can be located.

[0003]

However, in the conventional switching means, the distance between the front end of the chair seat and the leg rest when the leg rest is located at the use position is fixed. ,
It was not adapted to the length of the individual legs and some people could not receive an effective massage on the legs.

[0004] In addition, although there are individual differences in the shape of the legs, it is not possible to cope with this, and in this respect, it has been impossible to receive an effective massage to the legs.

The present invention has been made in view of the above points, and an object of the present invention is to provide a chair-type massage machine capable of performing an effective massage irrespective of individual differences in leg length and shape. To offer.

[0006]

According to the present invention, there is provided a leg rest provided with leg massage means, and the leg rest is provided at a position in front of a seat of a chair and under a seat. It is characterized by comprising switching means for switching to the storage position located on the other side, and front-rear position adjustment means for adjusting the front-rear position of the footrest with respect to the switching means in the use position. The front / rear position of the footrest can be adjusted according to the length of the leg.

The fore-and-aft position adjusting means is a slide mechanism for holding the leg rest slidably back and forth. If the slide mechanism has a variable resistance value to the sliding operation of the leg rest, unnecessary front and rear positions can be obtained. It is possible to suppress the movement of the position adjustment, especially if the slide mechanism changes the resistance value to the sliding operation according to the load applied to the leg rest, the leg rest is difficult to move when the leg is placed, When the legs are removed, the footrest can be made to be easy to move.

[0008] The slide mechanism may be provided with a regulating portion for regulating the sliding operation of the leg rest at at least a part of the sliding movement range of the leg rest. In this case, the regulating portion is formed as a concave and convex engaging portion. Preferably, it is formed.

[0009] Further, if it is provided with means for detecting the angle of the footrest and a release member for releasing the restriction of the sliding operation of the footrest according to the angle, the footrest is stored when the footrest is stored. It can be automatically returned to the front and rear position for storage.

[0010] Angle adjusting means for adjusting the front-rear direction angle of the footrest with respect to the switching means at the use position, or height adjusting means for adjusting the height of the footrest with respect to the switching means at the use position. It is also preferable to provide

The leg rest has a pair of U-shaped cross-sectioned leg storage grooves, and at least both side surfaces of the pair of leg storage grooves are provided with an inflatable and deflated air bag as a massage means for the legs. It is also preferable to provide an adjusting means for adjusting the parallelism of the pair of leg storage grooves, or a width adjusting means for adjusting the width of the leg storage grooves.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on an example of an embodiment. As shown in FIG. 3, a massage machine shown in FIG.
A massage means (not shown) for performing a massage on the back of the human body is built in the backrest 83 of the chair 8 comprising a reclining backrest 83 and a leg rest on the tip of the seat 80. The stand 1 is provided. The cylinder 9 in FIG. 1 is for reclining the backrest 83.

As shown in FIG. 4, the leg rest 1 is formed by suspending band-shaped air bladders 3 and 3 from a support 14 formed by pipes.
The leg (calf) is placed in the L-shaped leg storage groove 30, and in this state, the air supply / exhaust means 4 connected to the air bag 3 is operated to inflate and shrink the air bag 3, thereby performing compression massage on the leg.

Here, the leg rest 1 is mounted on a frame 81 via a ragging mechanism 85 which is a link mechanism having a plurality of nodes. One end of one link is axially attached to the frame 80 by the shaft 86, and one end of the other link is attached to the frame 80 via the rotation link 87.
It expands and contracts with the rotation of the rotation link 87.

The support 14 of the leg rest 1 is mounted on a razor tong mechanism 85 and is connected to a shaft on the distal end side of the razor tong mechanism 85 via a link 88, so that the razor tong mechanism 85 is provided. The posture is changed in accordance with the expansion and contraction of the
When the leg rest 5 is extended, as shown in FIG. 1, the leg rest 1 is positioned slightly in front of the seat portion 80 and slightly lowered forward. As shown in FIG. 2, it is arranged to fit vertically below the seat portion 80.

Further, the leg rest 1 is not directly connected to the ranging mechanism 85 but is connected via a slide mechanism. That is, the rollers 70, 70 are attached to the ends of the ragging mechanism 85 and the link 88, and the rollers 70, 70 are attached to the slide rail 10 provided on the foot rest 1.
Is mounted so as to be freely rotatable, so that the footrest 1 can be slid back and forth with respect to the ragging mechanism 85 as the switching means.

In a normal use state, the leg rest 1 is located closer to the front due to its own weight. However, if the leg rest 1 is pulled toward the chair, as shown by a chain line in FIG. The leg rest 1 can be brought closer to the front end side, so that it is possible to cope with individual differences in leg length.

FIG. 5 shows another example. In this case, a bar 89 is bridged between the tip of the ragging mechanism 85 and the link 88, and a pair of rollers 70, 70 are provided on a rotary plate 72 rotatably mounted on the bar 89 by a shaft 71. The leg rest 1, which engages the slide rails 70 with the slide rails 10, can adjust not only the front-back position but also the front-back angle by the rotation of the rotating plate 72 about the shaft 71. Has become.

FIG. 6 shows a pair of rollers 7.
With the spring 74 interposed between the movable plate 73 provided with 0 and 70 and the bar 89, and the leg rest 1 is set at the use position, the leg rest 1 is urged upward by the spring 74. There is. When a leg is placed on the leg rest 1, the leg rest sinks according to the weight of the leg and changes its height position. The bar 89 and the movable plate 73 may be connected by, for example, a feed screw mechanism so that the height of the footrest 1 can be adjusted by the feed screw mechanism.

FIGS. 7 to 9 show another example. A pair of slide rails 10 long in the front-rear direction are provided on the lower surface of the foot rest 1, and sliders 91, 91 are fixed on the left and right connecting plates 90 at the distal end of the ragging mechanism 85. The slide rail 10 is slidably engaged with the slider 91 while covering it. In FIG. 7, M is a massage means arranged on the backrest 83 so as to be movable up and down, and C is an operating device.

Here, the upper surface of the slider 91 and the inner surface of the slide rail 10 come into sliding contact with each other when adjusting the front / rear position of the footrest 1. The coefficient of friction of this sliding contact surface is determined by placing the foot on the footrest 1. When the load is low and the footrest 1 can be easily slid, the user cannot easily slide the foot when the user places the leg on the footrest 1 and increases the load on the slide surface. Is set to The slide resistance is changed according to the load applied to the slide mechanism, so that unnecessary movement of the front and rear position adjustment of the footrest 1 can be suppressed. Note that when the leg rest 1 is oriented vertically for storage, the resistance of the sliding surface becomes almost zero, so that the leg rest 1 is attached to the slider 91 by its own weight at the rear end of the slide rail 10. Is located.

As shown in FIG.
A recess 20 is provided inside the front end side of the base, so that when the leg rest 1 is pulled closest to the seat portion 80, the slider 91 moves to the recess 2
It is also preferable that the slide operation is restricted so as to be fitted to zero. In this case, by slightly lifting the footrest 1, the slider 91 can be pulled out of the recess 20 to adjust the front / rear position of the footrest 1. Further, in the illustrated example, since the boundary with the concave portion 20 is connected by a smooth inclined surface, even if the leg rest is placed on the leg rest 1, if a strong force is applied to the leg rest 1 forward, the concave Since the slider 91 escapes from the position 20, the front / rear position can be adjusted.

As shown in FIG. 11, the slide rail 10
A concave portion 92 and a protrusion 93 are provided at a predetermined interval to engage with the sliding surface of the slider 91 and the slider 91, and if the leg rest 1 is moved back and forth, the concave portion 92 and the protrusion 93 May be made to act as a slide restriction by engagement with the control unit. In this case, the cross-sectional shape of the concave portion 92 and the protrusion 93 is made to be an arc shape, so that if a strong force is applied, the protrusion 93 comes out of the concave 92 and the leg rest 1 can be moved back and forth. is there.

As shown in FIG.
An inner plate is provided with an iron plate 96 which comes into contact with the side surface of the slider 91 by the bias of the spring 94 and which is separated from the slider 91 by the bias of the electromagnet 95 arranged in the slide rail 10 to electrically control the slide. May be made.

In the case where the slide is electrically controlled,
A sensor 9 for detecting the change in the angle between the use of the footrest 1 shown in FIG. 13 (a) and the storage of the footrest 1 shown in FIG. 13 (b).
When the leg rest 1 is shifted from the use state to the housed state, this is detected by the output of the sensor 97 and the electromagnet 95 is energized to release the slide regulation. For example, the leg rest 1 returns to the front and rear position for storage by its own weight.

FIG. 14 shows another example of the footrest 1. The leg rest 1 here includes a pair of left and right bases 11, 11,
Supports 14 and 14 provided on each base 11 and air bag 3
The pair of left and right bases 11 are connected at one end in the front-rear direction by a hinge (not shown) and at the other end by a feed screw 12. One of the bases 11 has a nut 13 screwed into the right-hand thread of the feed screw 12, and the other base 11 has a nut 13 screwed into the left-hand thread of the feed screw 12. Thus, the interval between the other ends of the bases 11 can be changed. Since the one ends of the bases 11, 11 are connected by the hinges as described above, the parallelism between the two bases 11, 11 due to the above-mentioned change in the space, that is, the U-shaped cross section of the suspended air bladder 3 is obtained. The parallelism of the pair of leg storage portions 30, 30 can be adjusted. By adjusting the parallelism, even a person with an O leg or an X leg can properly adjust the pair of leg storage portions 30, 30. You can put your legs in.

Further, the support members 14 on each base 11,
In the same manner as in the case of the base 11, one end in the front-rear direction is connected by a hinge, and the other end in the front-rear direction is connected by a feed screw 17 and a nut 18, so that the support member at the other end is provided. 14, 14, ie, the leg storage unit 30
Is adjustable. The width of the leg storage section 30 can be adjusted according to individual differences in the thickness and shape of the legs.

The bases 11, 11 and the supports 14,
14 has described an example in which one end side is connected by a hinge,
At one end, the connection may be made using a feed screw and a nut.

FIG. 15 shows the air bag 3 in which the air chamber 31 for the ankle side and the air chamber 32 for the calf side are independent.

[0030]

As described above, according to the present invention, a leg rest provided with a massage means for a leg is provided, and the leg rest is used in a position in front of a seat portion of a chair and a lower portion of the seat portion. And a front / rear position adjusting means for adjusting the front / rear position of the footrest with respect to the switching means at the use position. The front and rear positions can be adjusted, and an effective massage can be reliably given to the legs regardless of individual differences in the length of the legs.

At this time, there may be provided an angle adjusting means for adjusting a front-rear direction angle of the footrest with respect to the switching means at the use position, or a height for adjusting the height of the footrest with respect to the switching means at the use position. With the provision of the adjustment means, the footrest can be more reliably adjusted to the shape of each leg, and a more effective massage can be given.

Further, the leg mounting base is provided with a pair of U-shaped leg storage grooves, and at least both side surfaces of the leg storage grooves are provided with inflatable and deflated air bags as massage means for the legs. In the case where the device is provided with an adjusting means for adjusting the parallelism of the pair of leg storage grooves, even the O-leg and the X-leg can fit the legs in the leg storage portion, and the contact area between the legs and the air bag. And the transmission efficiency of the generated force to the legs can be increased.

Even with the provision of the width adjusting means for adjusting the width of the leg storage groove, the contact area between the leg and the air bag can be increased to increase the efficiency of transmitting the generated force to the leg.

[Brief description of the drawings]

FIG. 1 is a side view of an example of an embodiment of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a perspective view showing the overall configuration of the above.

FIG. 4 is a front view of the leg rest according to the first embodiment.

FIG. 5 is a partial side view of another example.

FIG. 6 is a partial side view of still another example.

FIG. 7 is a perspective view of another example.

FIG. 8 is a bottom view of the same footrest.

FIGS. 9A and 9B show the slide rail and the slider, respectively, wherein FIG. 9A is an exploded perspective view and FIG. 9B is a sectional view.

10A and 10B show another example of the slide rail and the slider, wherein FIG. 10A is an exploded perspective view and FIG. 10B is a cross-sectional view.

11A and 11B show still another example of a slide rail and a slider, wherein FIG. 11A is an exploded perspective view and FIG. 11B is a cross-sectional view.

12A and 12B show another example of the slide rail and the slider, wherein FIG. 12A is a cross-sectional view when the electromagnet is off, and FIG. 12B is a cross-sectional view when the electromagnet is on.

13 (a) and 13 (b) are partial side views of the same.

FIG. 14 is a front view of another example of the leg rest.

FIG. 15 is a developed plan view of the air bag.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Leg mounting stand 3 Air bag 10 Slide rail 70 Roller 80 Seat part 85 Rage tong mechanism

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yuichi Nishibori 1048 Kadoma Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd. Term (reference) 4C100 AD01 AF02 BB05 BC11 CA08 CA09 DA10 EA10

Claims (10)

[Claims] 1. A switch for switching between a use position located in front of a seat portion of a chair and a storage position located below the seat portion, comprising a leg rest provided with leg massage means. A chair type massage machine comprising: means for adjusting the position of the leg rest relative to the switching means in the use position. 2. The front / rear position adjusting means is a slide mechanism for slidably holding a leg rest in a forward and backward direction, and the slide mechanism has a variable resistance value with respect to a sliding operation of the leg rest. Claim 1
The chair-type massage machine as described. 3. The chair-type massage machine according to claim 2, wherein the slide mechanism changes a resistance value for a slide operation in accordance with a load applied to the leg rest. 4. The chair type according to claim 2, wherein the slide mechanism includes a restricting portion for restricting a slide operation of the leg rest on at least a part of a sliding movement range of the leg rest. Massage machine. 5. The chair-type massage machine according to claim 4, wherein the restricting portion is formed as a concave / convex engaging portion. 6. The chair type according to claim 4, further comprising detection means for detecting an angle of the footrest, and a release member for releasing the slide operation restriction of the footrest according to the angle. Massage machine. 7. The chair-type massage machine according to claim 1, further comprising an angle adjusting means for adjusting an angle in a front-rear direction of the footrest with respect to the switching means at the use position. 8. The chair-type massage machine according to claim 1, further comprising height adjusting means for adjusting the height of the footrest with respect to the switching means at the use position. 9. The leg mounting base is provided with a pair of U-shaped cross sections of a leg storage groove, and at least both side surfaces of the leg storage groove are provided with an inflatable and inflatable air bag as a massage means for the leg. The chair-type massage machine according to any one of claims 1 to 8, further comprising adjusting means for adjusting the parallelism between the pair of leg storage grooves. 10. The leg mounting base is provided with a pair of U-shaped leg storage grooves, and at least both side surfaces of the leg storage grooves are provided with inflatable and deflated air bags serving as massage means for the legs. The chair-type massage machine according to any one of claims 1 to 9, further comprising a width adjusting means for adjusting a width of the leg storage groove.