JP3508660B2 - 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, and more particularly to a strength adjustment mechanism for the massage machine.

[0002]

2. Description of the Related Art Although there are various kinds of strength adjusting mechanisms for massage machines in relation to the driving structure of the massaging element, the massaging element is attached to the tip of the arm and supported by a shaft. The other end of the above-mentioned arm is connected to a link so that the treatment element can perform a motion for hitting massage through the link. For example, Japanese Patent Laid-Open No. 7-136225 or JP-A-6
As disclosed in Japanese Laid-Open Patent Publication No. 105878, the strength of the link can be adjusted by changing the position of the link.

[0003]

In this case, the structure of the power transmission part of the beating massage drive is complicated and its structure is complicated because part of the structure for driving the beating massage is used for adjusting the strength. In addition to the restriction, there is a problem in securing rigidity.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a strength adjustment mechanism capable of performing strength adjustment without restricting a mechanism for driving a massage. There is a massage machine provided.

[0005]

DISCLOSURE OF THE INVENTION The present invention is a massage machine in which a frame equipped with a massage mechanism section for causing a massager to perform a massage operation is movable along a running guide. It is characterized in that a mechanism for changing the position of the traveling roller in contact with the traveling guide with respect to the frame is provided as a mechanism for adjusting the massage operation of the treatment element. The strength is adjusted by moving the frame equipped with the massage mechanism with respect to the running guide.

It is preferable that the rollers are provided on a crank portion of a shaft having a crank portion, and that the strength adjusting mechanism rotates the shaft.

At this time, crank portions having different crank lengths may be selectively attached to the shaft, or a crank length adjusting portion may be provided. Is preferably used as a rotation driving source. In this case, using a fan-shaped gear for the rotation transmitting portion from the motor to the shaft is advantageous in terms of compactness.

It is preferable that the strength adjustment mechanism is provided with a drive source independent of the massage mechanism and a lock means for locking at the adjustment position. At this time, the lock means is provided in the power transmission section from the drive source. A worm mechanism may be used.

It is also preferable to position the rollers on a circumference centered on the rotation center of the frame when adjusting the strength and passing through the center of the treatment element.

The strength adjustment mechanism may receive power from the drive source of the massage mechanism via the clutch.

Further, it is also preferable to provide a strong / weak position detecting means. In this case, the strong / weak position detecting means preferably uses a means for detecting a detected portion provided on the rotation transmitting member of the strength adjusting mechanism. You can

The present invention comprises a strong and weak position detecting means, a saving means for saving information of the current strong and weak position, and a control means for reading the strong and weak position information saved in the saving means and driving the strong and weak position adjusting mechanism at the strong and weak position. Is also preferable.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below based on an example of an embodiment. The massage machine shown in the drawings is installed in a backrest of a chair or in a bed, and is installed in a backrest of a chair or in a bed. It is movable along the traveling guide 5, and is provided with two rollers 4, 4 rolling on the pair of left and right traveling guides 5, which are formed as rails having a U-shaped cross section. In frame 1,
A massage mechanism 2 and a strength adjustment mechanism 3 are mounted.

The massage mechanism 2 uses a motor 20 as a power source, and is a roller type massaging element 22 attached to each tip of a pair of left and right arms 21 (only one is shown in the figure).
In addition, although a massage operation such as a massage and a tapping massage can be performed, the structure and the type of massage operation that can be performed by the massaging element 22 are arbitrary, and therefore, the description will be given here. Is omitted.

The movement along the traveling guide 5 is performed by a motor 25 provided with a pinion (not shown) on the frame 1 which meshes with a rack provided along the traveling guide 5.
Although it is assumed that the wire is driven to rotate by, the wire can be moved by connecting it to a frame that is driven to be pulled, which is also optional in the present invention. Detailed explanation is omitted.

The strength adjustment mechanism 3 uses the shafts 41 of the rollers 4 arranged on both sides of the frame 1. Out of the 4 and 4, when you arranged 2 on each side
The roller 4 located on one end side of the traveling guide 5 is the frame 1
It is attached to crank portions 42 provided at both ends of a shaft 41 supported by. Further, on the frame 1, a motor 30 for rotating a shaft 41 via gears 31, 32 is provided.
And a brake 33 that locks the rotation of the shaft 41 by braking the output shaft of the motor 30.

2 (a), that is, when the distance from the running guide 5 to the tip surface of the treatment element 2 (contact surface with the body) is L1, the shaft 41 is rotated about half a turn. For example, since the roller 4 is attached to the crank portion 42 at the end of the shaft 41, as shown in FIG.
The angle between the traveling guide 5 and the traveling guide 5 changes,
The distance from the tip to the tip surface of the treatment element 2 is L2 (L2> L1). As a result, the treatment element 2 is in a state of protruding toward the body side, and thus the treatment element 2 is caused to perform a massage operation. At this time, a massage operation stronger than the massage operation in the state shown in FIG. 2 (a) can be obtained.

The strength adjustment mechanism 3 is independent of the massage mechanism 2 and is operated by a drive source (motor 30) different from the drive source (motors 20 and 25) of the massage mechanism 2. In order to do so, the strength adjustment can be performed without affecting the massage operation and the running operation.
Since 1 and 1 are connected without using a clutch or the like, the response of strength adjustment is also good. From a cost point of view, as shown in FIG. 15, it is more advantageous that the power of the motor 20 for the massage operation is sent to the strength adjustment mechanism 3 via the clutch 29. In FIG. 15, 28 is a belt and 27 is a pulley.

By the way, in this case, the rotation of the shaft 41 must be locked when the shaft 41 is not driven by the motor 30. For this reason, in the above example, the motor 30 with the brake 33 is used. However, if a worm is used as the gear 31 and a worm wheel is used as the gear 32, as shown in FIG.
1 cannot be rotated, the brake 33
It is possible to lock the rotation of the shaft 41 without the need for.

FIG. 4 shows a structure in which the crank portion 42 of the shaft 41 is made detachable and can be replaced with a crank portion 42 having a different crank length. By replacing the crank portion 42 with a different crank length, the adjustment range of strength and weakness can be changed.

As shown in FIG. 5, the crank portion 42 is changed by changing the screwing amount of the crank portion 42 with respect to the shaft 41.
If the crank length of the crank portion 42 can be changed by changing the crank length of the crank portion 42 by changing the insertion amount of the crank portion 42 with respect to the shaft 41 with the pin 49 as shown in FIG. It is possible to change the adjustment range of the strength with the crank portion 42.

By the way, when the motor 30 can be rotated only in one direction, as shown in FIG. 7, the shaft 41 (crank portion 42) can be rotated 360 °. Although it will be set to an arbitrary strong and weak position, when the motor 30 is rotatable forward and backward, as shown in FIG. 8, the shaft 41 can be rotated only within a range of 0 to 180 °. In this case, since the shaft 41 can be rotated in a desired direction when adjusting the strength, the strength to be set can be adjusted in the shortest time. Also,
As shown in FIG. 9, since the gear 32 may have a fan shape, it can be made compact.

For confirmation of the position of the strength adjustment and feedback control for the adjustment control, a sensor 60 for optically detecting a slit formed in the rotary plate 61 fixed to the shaft 41 is used as shown in FIG. You can do that. At this time, as shown in FIG.
If a slit is formed in the slit and the slit is detected by the sensor 60, it is not necessary to separately provide the rotary plate 61.

Regarding the above-mentioned strength adjustment control, FIG.
As shown in, when the memory switch of the operation unit S is pressed at the time when the desired strength position (angle) is reached, the sensor 6 at that time is pressed.
The output value of 0 is stored in the storage unit M, and when the call switch of the operation unit S is pressed, the value held in the storage unit M is called and the control unit C drives the motor so that the value is at its strong or weak position (angle). By driving 30, the desired strength position can be obtained with one touch.

In each of the above examples, only one shaft 41 of the rollers 4 provided on the left and right of the frame 1 is provided with the crank portion 42, and by rotating the shaft 41, the other roller 41 is rotated. 4, the frame 1 is rotated to adjust the strength. In this case, the crank portion 42 of the shaft 41 is located on the circumference passing through the center of the treatment element 22 about the roller 4. It is preferable to leave it. When the crank portion 42 is not on the circumference, as shown in FIG. 14, when moving along the curved travel guide 5, the treatment element 22 draws a shape different from the curve of the travel guide 5. Although it moves along the locus T, the crank portion 4 moves on the circumference.
If the position 2 is set, as shown in FIG. 13, the curve of the running guide 5 and the movement trajectory T of the treatment element 22 are substantially in agreement with each other, so that the treatment element 22 draws a preferable movement trajectory T. Can be done easily.

The shaft of the other roller 4 also has a crank portion 42.
It is also possible to adjust the strength by moving the frame 1 in parallel with the running guide 5 by rotating both shafts synchronously, and to rotate the crank portion 42 provided on the shaft 41. Instead, for example, the roller 42 may be attached to the tip of a screw jack whose one end is fixed to the frame 1 to change the angle of the frame 1 with respect to the running guide 5 to adjust the strength.
The point is that it is possible to adjust the strength by moving the entire frame 1 equipped with a massage mechanism with respect to the travel guide 5.

[0027]

As described above, according to the present invention, in the massage machine in which the frame having the massage mechanism section for causing the massager to perform the massage operation is movable along the traveling guide, the massage machine is provided on the frame and the traveling is performed. A mechanism for changing the position of the traveling roller that contacts the guide with respect to the frame is provided as a strength adjustment mechanism for the massage operation of the treatment element, and the strength is adjusted by moving the massage mechanism-equipped frame with respect to the running guide. Therefore, the strength adjustment mechanism does not limit or restrict the massage mechanism.

Since the rollers are provided on the crank portion of a shaft having a crank portion, and the strength adjusting mechanism rotates the shaft, the strength adjusting mechanism can be easily assembled.

At this time, since the crank portions having different crank lengths can be selectively attached to the shaft, the adjustment range of strength and weakness can be easily changed. Further, if the crank length adjusting unit is provided, the adjustment range of the strength can be changed more easily.

If a motor capable of rotating in the normal and reverse directions is used as a drive source for rotating the shaft, the strength adjustment can be performed in the shortest time. In this case, if a fan-shaped gear is used in the rotation transmitting portion from the motor to the shaft. , Which is advantageous in terms of compactness.

The strength adjustment mechanism is provided with a drive source independent of the massage mechanism and a locking means for locking at the adjustment position, so that the strength adjustment completely independent of the massage operation can be performed with good responsiveness. If the worm mechanism provided in the power transmission unit from the drive source is used as the locking means in this case, it is not necessary to use a separate member as the locking means.

When the rollers are positioned on the circumference centered on the center of rotation of the frame when adjusting the strength and passing through the center of the treatment element, the curve drawn by the running guide and the movement trajectory of the treatment element are substantially the same. It can be shaped.

When the strength adjustment mechanism receives power from the drive source of the massage mechanism via the clutch,
It is cost-effective.

Further, by providing the strong and weak position detecting means, it is possible to perform an accurate strength and weakness adjusting operation. In this case, the strong and weak position detecting means is provided in the rotation transmitting member of the strength and weakness adjusting mechanism. The number of parts can be reduced by using the one that detects the detected part.

Further, it is provided with a strong / weak position detecting means, a saving means for saving information on the current strong / weak position, and a control means for reading the strong / weak position information saved in the saving means and driving the strong / weak adjusting mechanism at the strong / weak position. By setting it to a desired one, it is possible to easily set it to a desired strength adjustment position.

[Brief description of drawings]

FIG. 1 shows an example of an embodiment of the present invention, in which (a)
FIG. 3 is a cutaway perspective view, and FIG. 3B is a schematic view of a shaft including a crank portion.

2A and 2B show the same operation, and FIGS. 2A and 2B are schematic side views.

3A and 3B show another example, in which FIG. 3A is a perspective view and FIG. 3B is an enlarged perspective view of a main part.

FIG. 4 shows still another example, in which (a), (b) and (c) are exploded perspective views.

FIG. 5 shows another example, and (a), (b), and (c) are perspective views.

FIG. 6 shows still another example, in which (a), (b) and (c) are perspective views.

FIG. 7 is an explanatory diagram showing a strength adjustment operation.

FIG. 8 is an explanatory diagram showing a strength adjustment operation in another example.

FIG. 9 is a perspective view showing another example.

FIG. 10 is a perspective view showing a strong and weak position detector.

FIG. 11 is a perspective view showing another example of the strong and weak position detection unit.

FIG. 12 is a block circuit diagram.

13 (a) is an explanatory view of the arrangement of the crank portion, and FIG. 13 (b) is an explanatory view of the traveling locus of the same.

FIG. 14 (a) is an explanatory view of another arrangement of the crank portion, and FIG. 14 (b) is an explanatory view of a traveling locus of the same.

FIG. 15 is a perspective view of another example.

[Explanation of symbols]

1 frame 2 massage mechanism 3 Strength adjustment mechanism Around 4 5 Travel guide 22 Treatment child

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-7-136225 (JP, A) JP-A-6-105878 (JP, A) JP-A-5-200076 (JP, A) JP-A-5- 3900 (JP, A) JP-A-3-139353 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) A61H 7 / 00,15 / 00

Claims (13)

(57) [Claims] 1. A massage machine in which a frame equipped with a massage mechanism for causing a massager to perform a massage operation is movable along a running guide, and the massaging machine is provided on the frame and is configured to be in contact with the running guide. A massager comprising a mechanism for changing the position with respect to the frame as a mechanism for adjusting the strength of the massage operation of the treatment element. 2. The massage machine according to claim 1, wherein the roller is provided on a crank portion of a shaft having a crank portion, and the strength adjustment mechanism rotates the shaft. 3. The massage machine according to claim 2, wherein crank parts having different crank lengths are selectively attachable to the shaft. 4. The massage machine according to claim 2, further comprising a crank length adjusting portion. 5. The massage machine according to claim 2, further comprising a motor capable of rotating in forward and reverse directions as a drive source for rotating the shaft. 6. The massage machine according to claim 5, wherein a fan-shaped gear is provided in the rotation transmitting portion from the motor to the shaft. 7. The massage machine according to claim 1, wherein the strength adjustment mechanism includes a drive source independent of the massage mechanism and a lock unit that locks at the adjustment position. 8. The massage machine according to claim 7, wherein the lock means is a worm mechanism provided in a power transmission section from the drive source. 9. The roller according to claim 1, wherein the rollers are located on a circumference centered on the rotation center of the frame during strength adjustment and passing through the center of the treatment element. Massage machine. 10. The massage machine according to claim 1, wherein the strength adjustment mechanism receives power from a drive source of the massage mechanism via a clutch. 11. The massage machine according to claim 1, further comprising strong and weak position detecting means. 12. The massage machine according to claim 11, wherein the strength position detecting means detects a detected portion provided on the rotation transmitting member of the strength adjusting mechanism. 13. A strength position detection means, a storage means for storing information on the current strength position, and a control means for reading the strength position information stored in the storage means and driving a strength adjustment mechanism at the strength position. The massage machine according to claim 1, 11 or 12, which is characterized by being.