JP3707302B2 - Chair type massage machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a chair type massage machine in which a massage treatment element is arranged on the back of a chair.
[0002]
[Prior art]
In a chair-type massage machine with a massage treatment element placed on the back of the chair, the treatment position can be changed by moving the treatment element along the back of the human body. Since it is drawn, the backrest also corresponds to this curve, and the vertical movement path of the treatment element is along this curve.
[0003]
An example is shown in FIGS. The backrest 20 in the chair having the backrest 20, the seat 21, and the armrest 22 is composed of a guide frame 25, a back cover 26, and a back cover 27. A rack 28 is installed on the curved guide frame 25. The massage machine body 1 including the treatment element 10 includes a pinion 18 that meshes with the rack 28 and a guide roller 19 that is in rolling contact with the guide frame 25, and moves along the guide frame 25.
[0004]
[Problems to be solved by the invention]
In this case, there is a problem in the vibration damping property because the operating sound of the driving part and the sliding sound between the massage machine main body and the rack are loud and the moving accuracy is not good.
[0005]
The present invention has been made in view of the above points, and the object of the present invention is to provide a massage machine with improved silence and vibration control while securing a curved locus for the movement of the treatment element. is there.
[0006]
[Means for Solving the Problems]
Therefore, the present invention performs a treatment operation on a treatment element in a chair type massage machine having a massage treatment element disposed on the backrest and a drive unit that moves the treatment element along a curve along the backrest. And a travel drive block that travels the treatment drive block along a curved locus along the backrest, and the travel drive block covered with the soundproofing material moves along a linear locus , in the backrest The travel drive block linear guide portion and the treatment drive block curve guide portion are integrally formed .
[0007]
At this time, it is still preferable that the treatment drive block or the portion where the treatment drive block or the travel drive block contacts is formed of a vibration damping material.
[0008]
The treatment drive block and the travel drive block are preferably connected by a stretchable joining block, but the travel drive block and the treatment drive block are provided at regular intervals and the treatment drive block is the center of treatment. The drive block may be rotatable.
[0009]
The running driving block may be made by forming a linear motor.
[0010]
The treatment guide block is preferably provided with a guide roller that comes into contact with a curved guide frame and travels along the guide frame. In this case , the treatment guide block is formed integrally with the back cover of the backrest or the back of the backrest. It may be formed integrally with the cover.
[0012]
Moreover, the back cover in the backrest may be attached via a cushioning material.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail based on an example of an embodiment. In the embodiment shown in FIG. 1, a treatment drive block 11 for causing a treatment element 10 to perform a treatment operation on a massage machine body 1, and the treatment drive block 11. It is divided into a travel drive block 12 for moving the two, and both are joined by a stretchable joining block 13. The travel drive block 12 that is covered with the soundproofing material 3 to eliminate drive sound leakage moves linearly in the backrest portion, and the treatment drive block 11 moves in a curved line.
[0014]
As shown in FIG. 2, the guide frame 25 provided in the backrest portion is rotationally driven in the travel drive block 12 as a configuration for the treatment drive block 11 to move in a curved line and the travel drive block 12 to move in a straight line. The rack 28 with which the pinion 18 is engaged is dealt with by using a linear one. In the figure, reference numeral 18 a denotes an auxiliary roller attached to the pinion 18. In addition, as shown in FIG. 3, the travel drive block 12 is formed as a linear motor 12 a, or as shown in FIG. 4, a screw shaft 122 that is rotated by a motor 121 and a feed nut 123 that is screwed to the screw shaft 122. Alternatively, as shown in FIG. 5, a wire 126 guided by a pulley 125 and connected at both ends to the treatment drive block 11 may be driven by a motor 124. In particular, when the linear motor 12a is used, or when the wire 126 is made of glass fiber, the driving sound can be reduced.
[0015]
As the joining block 13 that connects the travel drive block 12 that moves linearly and the treatment drive block 11 that moves along the guide frame 25, for example, the pantograph structure shown in FIG. 4 or the telescopic structure shown in FIG. In addition, a gas spring, a shock absorber, or the like can be used. Further, an elastic body such as a spring or rubber may be used as the joining block 13.
[0016]
In addition, the connection point of the joining block 13 and the treatment drive block 11 may be a rigid connection, or may be a connection by a rotating shaft (universal joint) 14 as shown in FIGS. In this case, the treatment driving block 11 is provided with a guide roller 19 that rolls in the guide frame 25 in two axes.
[0017]
When the traveling drive block 12 is of a rack and pinion type, as shown in FIG. 2, if the guide frame 25 and the rack 28 are formed integrally, the positional relationship accuracy between them can be improved. The contact vibration and noise can be reduced. In particular, if the guide frame 25 and the rack 28 are formed of a damping material, it is possible to further reduce contact vibration and noise during traveling.
[0018]
As shown in FIG. 7, the guide frame 25 may be changed to one having a different curve as shown in FIG. The treatment element 10 can perform a curve movement suitable for the user. In the figure, reference numeral 30 denotes a height adjustment block for responding to the height change at both ends of the guide frame 25.
[0019]
As shown in FIG. 8, the guide frame 25 may be formed of a round pipe, and the guide roller 19 may sandwich the guide frame 25 from above and below. In this case, the guide frame 25 is a three-dimensional bender that draws an arbitrary curve. Therefore, it is possible to easily obtain a curve according to the user's request.
[0020]
In the case where the guide frame 25 having a different curve shape can be replaced, the back cover 26 can be adapted to the shape of the guide frame 25 as the small blocks 33 are sequentially connected as shown in FIG. Keep it. In the figure, 34 is a groove through which the treatment element 10 passes.
[0021]
As shown in FIG. 10, the guide frame 25 may be formed on the back side of the back cover 26. In this case, it is possible to maintain the positional relationship between the surface of the backrest portion 20 and the movement locus of the treatment element 10 only by attaching the back cover 26, and therefore the assemblability is improved. Of course, in this case, the back cover 26 may be changed to a shape according to the user's request.
[0022]
The guide frame 25 for guiding the curving movement of the treatment element 10 can be provided on the back cover 27. FIG. 11 shows an example of this case. The treatment drive block 12 connected to the travel drive block 12 by the joining block 13 has guide rollers 19 and 19 that are in rolling contact with the guide frame 25 provided on the back cover 27 at the tip. The treatment drive block 11 moves along the curve of the guide frame 25 as the travel drive block 12 moves linearly. Also in this case, the back cover 27 (guide frame 25) can be changed to a shape according to the user's request. Further, since the guide roller 19 is located on the side opposite to the back cover 26, the possibility that minute vibrations of the guide roller 19 are transmitted to the human body via the back cover 26 is reduced.
[0023]
In terms of reducing vibrations, it is also effective to cover the treatment drive block 11 with a damping material. Resonance can be prevented and vibration noise can be reduced.
[0024]
Further, in the case where the guide frame 25 is provided on the back cover 27, the back cover 27 is attached via a cushioning material such as a shock absorber or urethane rubber, so that the vibration caused by the reaction force transmitted from the treatment element 10 is generated. Can be absorbed.
[0025]
FIG. 12 shows an example of the joining block 13 in the above example. The joining block 13 is composed of a shock absorber having one end fixed to the traveling drive block 12 and the other end connected to the treatment driving block 11 by a universal joint. ing.
[0026]
FIG. 13 shows another example. Here, the traveling drive block 12 and the treatment drive block 11 are fixedly provided at regular intervals, and both are housed in a single housing covered with the soundproofing material 3. The pinion 18 of the travel drive block 12 is engaged with a linear rack 28, and the guide roller 19 of the treatment drive block 11 is engaged with a guide frame 25 that draws a curve. When traveling with the rotation of the pinion 18, the massage machine body 1 causes the treatment element 10 to draw a curved locus while rotating around the pinion 18 according to the curve of the guide frame 25.
[0027]
As shown in FIG. 14, the guide frame 25 can be provided on the back cover 27 side even in the case where the treatment drive block 11 and the travel drive block 12 are integrated.
[0028]
【The invention's effect】
As described above, in the present invention, in the chair type massage machine having the massage treatment element disposed on the backrest and the drive unit that moves the treatment element along the backrest in a curved line, the treatment element is treated. The treatment drive block for performing the operation and the travel drive block for causing the treatment drive block to travel along a curved locus along the backrest, and the traveling drive block covered with the soundproof material move along a linear locus. Therefore, it is possible to reduce drive sound and vibration sound from the drive part. Moreover, since the linear guide portion for the travel drive block and the curved guide portion for the treatment drive block in the backrest are integrally formed, the positional relationship accuracy between both guide portions can be improved, and the treatment drive block can be placed on the backrest. It is possible to further reduce the contact vibration and noise in the case where the travel drive block that travels along the curved locus along the straight locus is moved.
[0029]
At this time, if the treatment drive block or the portion where the treatment drive block or the travel drive block contacts is formed of a vibration damping material, a preferable result can be obtained.
[0030]
If the treatment drive block and the travel drive block are connected by a stretchable joining block, resonance due to the influence of each block can be eliminated.
[0031]
In addition, in the case where the travel drive block and the treatment drive block are provided at regular intervals and the treatment drive block is rotatable around the travel drive block, it is possible to reduce the size while maintaining vibration suppression and silence. it can.
[0032]
If the travel drive block is formed of a linear motor, vibration from the drive unit can be reliably reduced.
[0034]
Treatment guide block, it is preferable that travels along a guide frame provided with a rolling contact guide roller to guide frame curving.
[0035]
If the guide frame is integrally formed on the back cover of the backrest, the positional relationship between the backrest surface and the movement locus of the treatment element can be kept good.
[0036]
Further, in the case where the guide frame is formed integrally with the back cover of the backrest, the vibration generated at the contact portion with the guide frame is hardly transmitted to the backrest surface side.
[0039]
In addition, in the case where the back cover in the backrest is provided with a guide frame, vibration absorption can be achieved if the back cover is attached via a cushioning material.
[Brief description of the drawings]
FIG. 1 is a schematic configuration diagram showing an example of an embodiment of the present invention.
2A is a schematic longitudinal sectional view, and FIG. 2B is a schematic transverse sectional view.
FIGS. 3A and 3B show another example of the above, in which FIG. 3A is a schematic longitudinal sectional view, and FIG. 3B is a schematic transverse sectional view.
FIG. 4 is a schematic longitudinal sectional view of still another example of the above.
FIG. 5 is a schematic longitudinal sectional view of another example of the above.
FIG. 6 is a schematic cross-sectional view of still another example of the above.
FIGS. 7A and 7B show another example of the above, and FIGS. 7A and 7B are schematic sectional views.
FIG. 8 is a schematic cross-sectional view of another example of the above.
9A is a perspective view of a back cover, and FIG. 9B is a schematic cross-sectional view.
10A and 10B show another example, in which FIG. 10A is a schematic longitudinal sectional view, and FIG. 10B is a schematic transverse sectional view.
11A and 11B show another example, in which FIG. 11A is a schematic longitudinal sectional view, and FIG. 11B is a schematic transverse sectional view.
FIG. 12 is a schematic sectional view of the above.
FIG. 13 is a schematic cross-sectional view of an example of another embodiment.
14A and 14B show another example of the above, in which FIG. 14A is a schematic longitudinal sectional view, and FIG. 14B is a schematic transverse sectional view.
FIG. 15 is a schematic configuration diagram of a conventional example.
FIG. 16 is a schematic longitudinal sectional view of the above.
FIG. 17 is a schematic cross-sectional view of the above.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Massage machine body 3 Soundproof material 11 Treatment drive block 12 Travel drive block

Claims (9)

In a chair type massage machine that has a massage treatment element on the backrest and a drive unit that moves the treatment element along the backrest in a curved line, a treatment drive block that causes the treatment element to perform a treatment operation; A travel drive block for traveling the treatment drive block along a curved locus along the backrest, and the travel drive block covered with the soundproofing material moves along a linear locus, and a linear guide for the travel drive block on the backrest. The chair type massage machine characterized by forming the part and the curve guide part for treatment drive blocks integrally .   The chair type massage machine according to claim 1, wherein the treatment drive block or a portion where the treatment drive block or the travel drive block contacts is formed of a vibration damping material.   The chair type massage machine according to claim 1 or 2, wherein the treatment drive block and the travel drive block are connected to each other by a stretchable joining block.   The chair type massage machine according to claim 1 or 2, wherein the travel drive block and the treatment drive block are provided at regular intervals, and the treatment drive block is rotatable about the travel drive block.   The chair type massage machine according to any one of claims 1 to 4, wherein the travel drive block is formed of a linear motor. The chair-type massage machine according to any one of claims 1 to 5, wherein the treatment drive block includes a guide roller that comes into contact with a guide frame that draws a curve, and travels along the guide frame. . The chair type massage machine according to claim 6, wherein the guide frame is formed integrally with a back cover of the backrest . The chair type massage machine according to claim 6, wherein the guide frame is formed integrally with a back cover of the backrest . The chair type massage machine according to claim 8, wherein the back cover of the backrest is attached via a cushioning material .

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