JP4143392B2 - Chair type massage machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a chair-type massage machine that performs massage operation on a user with a treatment element such as a massage ball.
[0002]
[Prior art]
As this type of chair type massage machine, a drive unit having a treatment element such as a kneading ball is incorporated in the backrest part so as to be movable in the vertical direction, and the drive unit is moved in and out to move back and forth. There is one in which a massage force by the treatment element is adjusted by changing a protruding amount of the treatment element by providing a mechanism (see Patent Document 1).
[0003]
However, when adjusting the massage force by the treatment element by operating the withdrawal mechanism connected to the drive unit in this way, not only the drive member that massages the treatment element but also the drive member that drives the withdrawal mechanism (air cell or Since it is necessary to mount the electric motor) on the drive unit, air piping or electrical wiring for the drive unit that frequently moves in the vertical direction increases, which has the disadvantage that the structure becomes complicated and the manufacturing cost increases.
[0004]
Therefore, a chair type massage that can adjust the massage force with the treatment element without moving the drive unit back and forth has already been developed, and such a massage machine is a bag body that expands or contracts by supplying and discharging air. Is provided on the backrest part, and the user who leans on the backrest part is brought close to or away from the backrest part based on the expansion or contraction of the bag body so that the massage force by the treatment element can be adjusted. (See Patent Document 2).
[0005]
[Patent Document 1]
JP 2001-204778 A (Claim 1)
[Patent Document 2]
JP 2001-149429 A (Claim 1)
[0006]
[Problems to be solved by the invention]
However, in the conventional chair type massage machine, no hard cover body is provided on the front side of the bag body, and the bag body itself also functions as a cushioning material for the user's back.
Therefore, if the bag body is expanded or contracted to move the user's back in the front-rear direction, the bag body expands or contracts not only in the front-rear direction but also in the left-right direction and the up-down direction. Since the supply / discharge amount is required, it takes time to adjust the massage force by the treatment element, and there is a drawback that the operation for performing the adjustment is very complicated.
[0007]
In view of such circumstances, the present invention can adjust the massage force by the treatment element without moving the drive unit side having the treatment element back and forth, and can quickly adjust the massage force. An object of the present invention is to provide a chair type massage machine capable of performing the above.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, the present invention takes the following technical means.
That is, the present invention provides a seat, a backrest connected to the rear end of the seat , a massage provided in the backrest so as to be movable in the vertical direction and having a treatment element. parts and, in the chair type massage machine and a gap adjusting unit for changing the relative distance between the treatment element and the user's back leaning on the backrest portion, said spacing adjusting means, rest the back A fixed frame connected to the rear end of the seat and provided with the massage part so as to constitute an internal skeleton of the part and reclining the backrest part, and the user's back from the rear to a back plate of hard disposed on the front side of the fixed frame in order to support the telescopic members the back plate interposed between the two members so as to be freely accessible and away from the said fixed frame And it includes a air cell of said back plate is mounted rotatably on a lower end portion of the fixed frame through a hinge provided at the lower end so that its upper end is swingable in the longitudinal direction When the air cell is interposed between the upper end of the rear surface of the back plate and the upper end of the front surface of the fixed frame, and the air cell is expanded by supplying air into the air cell, the back plate Is moved forward and away from the fixed frame, and when the air cell contracts by exhausting the air in the air cell, the back plate moves backward and moves toward the fixed frame. .
[0009]
According to the present invention, since the back plate is operated to be retracted by the elastic member interposed between the fixed frame and the back plate, the drive unit having the treatment element (the first massage in the embodiment described later) Corresponding to the part 11.) The massage force by the treatment element can be adjusted without moving the side out and out.
In addition, according to the present invention, the hard back plate that supports the user's back from the rear as a whole is operated to be withdrawn and retracted by the elastic member. Compared with a conventional massage machine that moves the back and forth of the patient, the massage force can be adjusted more quickly by the treatment element.
[0010]
In the present invention, the back plate, because the upper end is rotatably provided through a hinge provided at the lower end so as to be swingable in the longitudinal direction, the upper end of the fixed frame and the back plate The space adjusting means can be configured by interposing an elastic member between the parts.
[0011]
Furthermore, in the present invention, the structure of the expansion / contraction member is not particularly limited as long as it can connect the back plate and the fixed frame so as to approach and separate from each other, and various members such as a link mechanism and a screw feed mechanism can be adopted. However, in the case of a massage machine having an air pump for performing massage driving, since the manufacturing cost can be reduced by sharing the air pump, it is composed of a bellows type air cell that expands and contracts in the front-rear direction by supplying and discharging air inside It is preferable to do.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 4 show a massage machine 1 according to an embodiment of the present invention.
As shown in FIGS. 1, 2, and 4, the massage machine 1 of the present embodiment includes a seat part 2 and a backrest part 3 connected to the rear end part of the seat part 2 as a massage machine body, And a footrest 4 connected to the front end of the seat 2.
[0013]
The massage machine 1 also includes a pair of left and right legs 5 that support the seat 2 from below, a pair of left and right armrests 6 provided at both ends in the width direction of the seat 2, and one armrest 6 The holding arm 7 is attached to the tip of the holding arm 7 in a detachable manner, and the remote controller 8 is detachably attached to the tip of the holding arm 7.
In FIG. 1 and FIG. 2, the holding arm 6 and the remote controller 8 are not shown.
[0014]
Inside the backrest part 2 is provided a mechanical first massage part 11 that is movable in the vertical direction. This massage part 11 is a pair of left and right itches with kneading balls 12 fixed at both upper and lower ends. An arm 13 is provided. Air-type second and third massage portions 15 and 16 including a plurality of air cells 14 are provided inside the seat portion 2 and the footrest 4, respectively.
In addition, in the chair type massage machine 1 of this embodiment, the negative ion generator 17 which ejects a negative ion is provided in the right-and-left both sides of the 1st massage part 11, and the upper surface side of each armrest part 6, Moreover, in FIG. As illustrated in the cross hatch, a cover member made of the negative ion generation sheet 18 is provided.
[0015]
The backrest 3 has a width and height that can support the user's back and head as a whole, and is inclined with respect to the seat 2 so as to be inclined according to a desired angle of the user. Reclining. As shown in FIG. 3, the backrest 3 includes a fixed frame 20 that forms an internal skeleton of the backrest 3 and a front side of the fixed frame 20 so as to support the user's back from the rear. A back plate 21 made of hard plastic, a rear lid 22 made of hard plastic covering the rear surface of the fixed frame 20 (see FIG. 1), and a cloth back cover 23 covering the front surface of the back plate 21; It has.
[0016]
A back pad 24 (see FIG. 1) having a cushioning property having the negative ion generating sheet 18 in the center is detachably attached to the surface of the back cover 23 according to the user's preference. In order to attach the back pad 24, a hook-and-loop fastener 25 (see FIG. 3) is provided on the upper surface of the cloth back cover 23 and on both the left and right sides.
[0017]
The first massage part 11 is provided in the frame of the fixed frame 20 so as to be movable in the vertical direction via the elevating mechanism 26, and the elevating mechanism 26 is provided rotatably on the lower side part of the fixed frame 20. The screw shaft 27 extends in the vertical direction, and a lifting motor 28 that drives the screw shaft 27. The first massage part 11 includes a base plate 29 whose left and right edges are slidably connected to the left and right side frames 20A of the fixed frame 20, and a female screw part (not shown) provided on the back side of the plate 29. The screw shaft 27 is screwed in a penetrating manner so as to be moved up and down by the rotational movement of the screw shaft 27.
[0018]
Further, a pair of left and right rubbing arms 13 having rubbing balls 12 at both upper and lower ends are connected to the base plate 29 of the first massage portion 11 so as to be swingable. The rubbing arms 13 are connected to the back side of the base plate 29. As a treatment element that the kneading balls 12 perform predetermined treatment operations such as a kneading operation and a tapping operation by swinging or vibrating via a transmission mechanism including a kneading motor (not shown) provided. It is supposed to fulfill its function. And in the 1st massage part 11 of this embodiment, since the inside of the backrest part 3 is raised / lowered by the said raising / lowering mechanism 26, the treatment operation | movement by the kneading ball 12 over a user's head and neck part, a shoulder part, and a waist | hip | lumbar part is carried out. (Squeezing motion or hitting motion) can be performed.
[0019]
The seat portion 2 includes a substantially rectangular cushion base made of foamed resin or the like having excellent cushioning properties, and a seat cover composed of a cloth material or a skin material covering the base, and the base and the seat cover; In between, a plurality (for example, four) of air cells 14 constituting the second massage part 15 are interposed. On the other hand, the footrest 4 includes a swinging member 33 that is pivotably connected to the front end of the seat 2 in the vertical direction, and is mounted on the swinging member 33 and corresponds to the leg portion of the user in the vertical direction. And a footrest portion 34 having a pair of left and right groove portions extending in the direction.
[0020]
The swing member 33 is rotatably attached to the front end portion side of the seat portion 3 so as to be positioned at an arbitrary tilt angle, and the tilt angle with respect to the seat portion 3 can be appropriately changed. Further, as shown in FIG. 4, the footrest portion 34 of the footrest 4 includes a cushion base and a cover made of a cloth material, a skin material or the like covering the same as the seat portion 2. A plurality of air cells 14 constituting the third massage part 16 are interposed between the covers. For simplification of the drawing, only the air cell 14 disposed in the right groove is shown in FIG.
[0021]
Each air cell 14 constituting the second and third massage parts 15 and 16 is connected to an air pump (not shown) provided below the seat part 2 via a pipe including a control valve and an air hose. By supplying and discharging air from the air pump and repeating expansion or contraction, a predetermined treatment operation such as pressing massage is performed on the user's buttocks and legs.
As shown in FIG. 3, the back plate 21 is formed in a substantially rectangular frame shape from upper and lower frames 35, 36 and a pair of left and right side frames 37 that are integrally constructed between both ends of the upper and lower frames 35, 36. An opening window 38 is formed inside the frame.
[0022]
The opening window 38 is provided so that the treatment operation by the first massage unit 11 is not hindered by the back plate 21. Accordingly, the kneading balls 12 of the first massage part 11 project forward from the center part of the backrest part 3 through the opening window 38, and through the back cover 23 or in addition to the back pad if the user likes it. It abuts on the user via 24. The back plate 21 has rigidity capable of supporting the head and neck part and the left and right sides of the back as a whole with the upper frame 35 and the side frame 37 when the user is drowning.
[0023]
As shown in FIGS. 1 to 3, the backrest part 3 of the present embodiment includes a distance adjusting means 40 for changing the relative distance between the back of the user leaning on the backrest part 3 and the kneading balls 12. The adjusting means 40 connects the two members 20 and 21 to each other so that the fixed plate 20 and the back plate 21 and the back plate 21 can be moved toward and away from the fixed frame 20. It is comprised from the expansion-contraction member 41 which does.
[0024]
The back plate 21 of the present embodiment is rotatably attached to the lower end portion of the fixed frame 20 via a hinge 42 provided at the lower end portion thereof so that the upper end portion thereof can swing in the front-rear direction. The telescopic members 41 are interposed between the upper end portions of the left and right side frames 37 of the back plate 21 and the upper end portions of the left and right side frames 20A of the fixed frame 20, respectively. In addition, the elastic member 41 of the present embodiment is a bellows type air cell that expands and contracts in the front-rear direction by supplying and discharging air to the inside, and this air cell is the air cell 14 of the second and third massage parts 15 and 16. Is connected to an air pump that drives the motor via a hose (not shown).
[0025]
For this reason, as shown in FIG. 1A, when the elastic member 41 made of the air cell is contracted, the back plate 21 that supports the user's back tilts backward toward the fixed frame 20 side, and the affected area of the user Will come into contact with the kneading balls 12 with a stronger force, and the massage force by the kneading balls 12 will be strengthened. Conversely, when the elastic member 41 made of an air cell is inflated, the back plate 21 that supports the user's back is tilted forward away from the fixed frame 20, and the affected part of the user has a weaker force against the kneading balls 12. It abuts and the massage force by the kneading balls 12 is weakened.
As shown in FIG. 1B, when the expansion / contraction member 41 made of an air cell is fully expanded, the back plate 21 can be tilted forward to such an extent that the affected area of the user does not come into contact with the massaging balls 12. Thus, even when the chair type massage machine 1 is used as a normal chair, the kneading balls 12 do not hit the back and the sitting comfort does not deteriorate.
[0026]
According to the massage machine 1 of this embodiment which concerns on the said structure, since the back part plate 21 is operated by the expansion-contraction member 41 interposed between the fixed frame 20 and the back part plate 21, 1st massage part The massage force by the kneading balls 12 can be adjusted without moving the eleven. For this reason, the mechanical structure of the first massage part 11 is not complicated, and the manufacturing cost can be reduced.
[0027]
Further, according to the massage machine 1 of the present embodiment, the rigid back plate 21 that supports the user's back from the rear as a whole is operated by the retractable member 41, so that the bag body has a cushion function. Compared with the conventional massage machine which retreats the user's back by expansion | swelling or shrinkage | contraction of this, the adjustment of the massage force by the kneading ball 12 can be performed more rapidly.
[0028]
The above-described embodiments are all illustrative and not restrictive. The scope of the present invention is indicated by the claims, and all modifications within the scope equivalent to the configurations described therein are also included in the present invention.
For example, the structure of the expansion / contraction member 41 is not particularly limited as long as the back plate 21 and the fixed frame 20 can be connected to and away from each other, and various types such as a link mechanism and a screw feed mechanism can be adopted.
[0029]
But when the air cell is employ | adopted as a structural member of the massage parts 15 and 16, since the internal structure of the backrest part 3 can be simplified by sharing the air pump which is a drive source, the said embodiment Thus, it is preferable to employ the elastic member 41 made of an air cell.
[0030]
【The invention's effect】
As described above, according to the present invention, since the massage force by the treatment element can be adjusted without moving the drive unit side having the treatment element, the internal structure of the backrest part is simplified and manufactured. Cost can be reduced. In addition, since the hard back plate that supports the user's back from the rear as a whole is operated with the elastic member, the user's back is retracted by the expansion or contraction of the bag body having a cushion function. Compared to the conventional massage machine, the massage force can be adjusted more quickly by the treatment element.
[Brief description of the drawings]
1A and 1B are side views showing only a backrest portion of a chair-type massage machine according to an embodiment of the present invention in cross-section, in which FIG. 1A is a contracted state of an elastic member, and FIG. Shows the state.
2 is a front view of the chair type massage machine according to this embodiment.
FIG. 3 is an exploded perspective view of a backrest portion and a distance adjusting means.
4 is a perspective view of a chair type massage machine according to this embodiment.
[Explanation of symbols]
1 chair type massage machine 2 seat part 3 backrest part 12 kneading balls (therapeutic child)
20 fixed frame 21 back frame 40 interval adjusting means 41 telescopic member 42 hinge

Claims (1)

A seat part (2), a backrest part (3) connected to the rear end part of the seat part (2), and a treatment element provided in the backrest part (3) so as to be movable in the vertical direction. The massage part (11) which has (12), and the space | interval adjustment means (40) for changing the relative space | interval between the user's back leaning on the said backrest part (3), and the said treatment element (12) ) With a chair-type massage machine
The interval adjusting means (40) is connected to a rear end portion of the seat portion (2) so as to constitute an inner skeleton of the backrest portion (3) and to recline the backrest portion (3). And the fixed frame (20) provided with the said massage part (11), and the rigid back part plate (arranged in the front side of the fixed frame (20) in order to support the said user's back from the back entirely ( 21) and an air cell as an elastic member (41) interposed between the two members (20, 21) so that the back plate (21) can be moved toward and away from the fixed frame (20). And
The back plate (21) is rotatably attached to the lower end of the fixed frame (20) via a hinge (42) provided at the lower end so that the upper end of the back plate (21) can swing in the front-rear direction. ,
It said air cells, and the upper end portion of the rear surface of the back plate (21), is via instrumentation between the front of the upper end portion of the fixed frame (20),
When the air cell expands by supplying air into the air cell, the back plate (21) moves forward to move away from the fixed frame (20), and the air cell contracts by exhausting the air in the air cell. Then, the said back part plate (21) moves back, and goes to the said fixed frame (20) side, The chair type massage apparatus characterized by the above-mentioned .

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