JP5042923B2 - Chair type massage machine - Google Patents

Description

  The present invention relates to a chair-type massage machine including a seat portion on which a user is seated, and in particular, an elbow rest portion on which the arm portion of the user is placed is divided into front and rear parts so that each can move. The chair-type massage machine.

In recent years, in a chair-type massage machine of the type in which a user is seated on a seat, a massage is performed on the arm of the user by inflating and contracting a treatment air bag disposed on the elbow rest. The thing which can do is proposed (refer patent document 1). In the chair type massage machine disclosed in Patent Document 1, the elbow rest part is divided into two front and rear holding parts, and by changing the position in the front and rear direction, the total length of the elbow rest part is reduced by the user. Appropriate dimensions according to the physique can be achieved (see FIGS. 10 and 11 of Patent Document 1).
Japanese Patent Laid-Open No. 2003-310683

  However, in the above-described conventional configuration, the user must manually grasp the front and rear holding portions and shift the position, and set the position that seems to be most appropriate for him. Therefore, it is necessary to move the holding part with both hands and place the arm to check the condition, remove the arm again and finely adjust the position of the holding part with both hands and place the arm again to check the condition. is there.

  In addition, in chair-type massage machines for which a variety of massage patterns have been proposed, it is relatively recent that massages targeting the arms have been proposed. For this reason, there are still few types of massages that have been proposed, and there is a demand for the realization of more diverse massages for the arms.

  Therefore, the present invention provides a chair type massage machine having an elbow rest part that can be easily repositioned according to the physique of the user and can perform various massages on the arm part. With the goal.

The present invention has been made in view of the above-described circumstances, and a chair-type massage machine according to the present invention is a chair-type massage machine including a seat portion on which a user is seated, An elbow rest on which the arm is placed is disposed on the left and right sides of the seat, and the elbow rest supports a hand side portion of the arm of the user to be placed. To hold a front unit , a rear unit supporting a portion located closer to the shoulder side than the hand side portion, and a user's arm provided in the front unit and the rear unit an air bag inflated and deflated, has a drive unit for moving the front unit and the rear unit, the air bag of the air bag and the rear unit of the front unit and the drive unit, the control unit, are driven, The front unit and the rear unit It is characterized by moving back and forth independently direction.

With such a configuration, the front unit and the rear unit can be easily moved by operating the drive unit by the control unit. In addition, for example, the front unit and the rear unit are provided with treatment devices such as air bags and pressing protrusions that expand and contract, and the user places the front unit and the rear unit in a state where the arm portion is placed on the elbow rest portion. By moving, rubbing massage can be performed, and it is also possible to automatically change the treatment location for the arm.
The front unit and the rear unit may be provided with air bags that expand and contract to hold the arm of the user. By setting it as such a structure, it is possible to hold | maintain an arm part with the inflated air bag.
The drive unit may include a biasing unit that biases the front unit and the rear unit in the front-rear direction independently of each other. By setting it as such a structure, various movement patterns can be implement | achieved about the said front side unit and a rear side unit, and various massage can be given with respect to an arm part.

The drive unit is configured to be able to swing the front unit and the rear unit in the left-right direction. By adopting such a configuration, if the front unit and the rear unit are swung to the left and right and the air bag is inflated to hold the arm portion, twisting massage can be applied to the arm portion.

Further, the control unit is characterized in that either the front unit or the rear unit holds the arm unit and slides the other unit back and forth. By setting it as such a structure, various movement patterns can be implement | achieved about the said front side unit and a rear side unit, and various massage can be given with respect to an arm part. In addition, rubbing massage can be applied to the arm portion.

Further, the control unit is characterized in that the air supply amount of the air bag of the front unit is different from that of the air bag of the rear unit. By setting it as such a structure, a rubbing massage can be effectively given with respect to an arm part.

Further, the control unit is characterized in that the air supply amount of the air bag of the unit to be slid is made smaller than the air supply amount of the air bag of the unit holding the arm portion. By adopting such a configuration, it is possible to prevent misalignment of the arm portion and effectively achieve a rubbing massage.

  Moreover, you may provide the pressure sensor for detecting the urging | biasing pressure when the said front side unit and the rear side unit approach. With such a configuration, it is possible to detect the state in which the front unit and the rear unit are in close contact with each other with the pressure sensor, and it is possible to measure the timing at which the drive of the drive unit is stopped. Further, even when a foreign object is unexpectedly sandwiched between the front unit and the rear unit, further movement can be interrupted.

In addition, a cushion material may be disposed between the front unit and the rear unit. By adopting such a configuration, even when a foreign object is caught between the front unit and the rear unit, the front unit and the rear unit are not in direct contact with the foreign object. It is possible to prevent the side unit from being damaged.

  According to the chair type massage machine according to the present invention, the position of the elbow rest can be easily changed according to the physique of the user, and various massages can be applied to the arm.

  Hereinafter, a chair type massage machine according to an embodiment of the present invention will be specifically described with reference to the drawings. FIG. 1 is a perspective view showing an overall configuration of a chair type massage machine according to an embodiment of the present invention. As shown in FIG. 1, a chair type massage machine 1 supports a seat 2 on which a user is seated, a backrest 3 that supports the upper body of the user from the back, and an arm of the user. Arm rest 4 and a footrest 5 that supports the legs of the user. In addition, the concept of the direction used by the following description shall correspond with the concept of the direction when it sees from the user seated on the seat part 2, and shall be suitably demonstrated in other cases.

[overall structure]
As shown in FIG. 1, the seat portion 2 has a rectangular shape in plan view, and a flat seat cushion 11 is formed on the upper portion of a seat surface body (not shown) formed in a rectangular shape and made of synthetic resin. These are arranged and supported by a seat frame 13 provided on the upper part of the base 12. The seat cushion 11 is configured by covering an interior material such as urethane foam, sponge, or polystyrene foam with an exterior cover made of a raised tricot made of polyester, synthetic leather, natural leather, or the like.

  On the front side of the seat portion 2, a footrest 5 for treating a portion from the knee to the toe of the legs of the user is disposed. The footrest 5 is substantially L-shaped in a side view, and is an upper footrest 14 corresponding to a calf, which is a portion extending from the knee to the ankle (hereinafter referred to as “crus”), and from the ankle to the foot. The lower footrest 15 corresponding to the part (hereinafter referred to as “foot”) leading to the tip is provided corresponding to each of the right leg and the left leg.

  The upper footrest 14 has a groove shape opened forward, and the calf can be supported from the rear and left and right sides by an inner bottom surface facing the back of the calf and an inner surface facing the left and right sides of the calf. Yes. Further, the lower footrest 15 has a groove shape opened upward, and supports the foot portion from below and from the left and right sides by an inner bottom surface facing the sole and an inner surface facing the left and right side surfaces of the foot portion. It is possible.

  On the rear side of the seat portion 2, a backrest portion 3 that supports the upper body of the user from behind is provided. The backrest 3 is large enough to prevent a part of the adult's body from protruding outside when an adult with a general physique sits on the chair-type massage machine 1 to support the upper body of the user. It has a vertically long and substantially rectangular shape when viewed from the front. In the upper part of the backrest part 3, a head support part 6 for supporting the head of the user whose upper body is supported by the backrest part 3 is disposed.

  The head support portion 6 includes a pillow portion 16 that supports the head of the user from the rear, a belt 17 for position adjustment that extends from the upper portion of the pillow portion 16, and a backrest portion 3. A weight (not shown) attached to the tip of the suspended belt 17 and having substantially the same weight as the pillow portion 16 is provided. On the other hand, a belt passing band 19 that is long in the left-right direction is provided at the upper end of the backrest portion 3, and both ends thereof are fixed to the backrest portion 3. In the head support portion 6, the belt 17 is passed between the belt passing band 19 and the upper end of the backrest portion 3 so that the pillow portion 16 is positioned on the upper front side of the backrest portion 3. Thereby, since the pillow part 16 and the weight 18 hang down back and forth with the upper end of the backrest part 3 as a boundary and both are in a balanced state, the position of the pillow part 16 can be adjusted up and down.

  Further, on the left and right sides of the seat portion 2 and the backrest portion 3, armrests 4 that support the arm portion of the user seated on the seat portion 2 are located on the seat portion 2 from the side position of the backrest portion 3. It is arrange | positioned so that it may extend ahead along. The armrest 4 includes an upper elbow rest 20 and a lower side cover 21. The elbow rest 20 has a substantially cylindrical shape and is located slightly above the central portion in the vertical direction of the backrest 3 in a standing state, and the shoulder of the user whose upper body is supported by the backrest 3. It extends from the position corresponding to the side to the vicinity of the front end of the seat portion 2 downward and forward. Further, an opening 20 a through which the arm portion of the user can be inserted into and removed from the elbow rest portion 20 is formed in the inner portion from the rear end of the elbow rest portion 20 to the vicinity of the center position in the front-rear direction. Therefore, the arm part of the user inserted into the elbow rest part 20 through the opening 20a from the substantially entire circumference of the hand, the lower part of the part from the vicinity of the wrist to the upper arm and the shoulder via the elbow, Support is possible from the outside and from above.

  The elbow rest 20 is divided into three parts in the front-rear direction, and is a front-side unit that supports a part on the hand side in the arm part of the user who is placed here, and in this embodiment, a part ahead of the wrist. 60, a rear-side unit 61 that supports a part that is located closer to the shoulder side than this part and that supports a part from the wrist to the elbow in this embodiment, and an upper arm that further supports a part from the elbow to the shoulder The unit 62 is constituted. And among these units 60-62, the front unit 60 and the rear unit 61 are movable in the front-rear direction so as to approach and separate from each other. Such a movable configuration will be described later (see FIG. 2 and subsequent figures).

  The chair type massage machine 1 configured as described above supports the user who is seated on the seat 2 so that the whole body is wrapped from the back and the left and right side surfaces. The chair type massage machine 1 is provided with a plurality of air cells 7 and seat vibrators 8 for treating the user.

[Air cell and vibrator]
As shown in FIG. 1, the seat portion 2 is provided with four air cells 7a arranged in the front-rear and left-right directions. Then, the left and right air cells 7a provided on the rear side are expanded and contracted by the supply / discharge of air from the air supply / exhaust device 51, and are pressed so as to push up the left and right parts of the buttocks of the user seated on the seat 2 from below. To do. Similarly, the left and right air cells 7a provided on the front side are expanded and contracted by supplying and discharging air from the air supply / exhaust device 51 so as to push up the left and right portions of the thigh of the user seated on the seat 2 from below. Press. In addition, the seat surface according to the present embodiment is recessed in a concave shape so that the center portion is positioned below the left and right ends, and each air cell 7a is disposed on an inclined surface extending from the left and right ends to the center portion on the upper surface of the seat surface body. ing. Therefore, when the air cell 7a is expanded, the buttocks of the user are pressed from below so as to be slightly sandwiched from the left and right. A seat vibrator 8 is provided between the rear left and right air cells 7a, 7a, so that vibration stimulation can be applied to the buttocks.

  Air cells 7b, 7b arranged side by side are provided above both side portions of the seat portion 2, and both expand toward the center in the left-right direction by the supply of air from the air supply / exhaust device 51. Such an air cell 7b expands and contracts so that a series of parts from the side of the buttocks (or waist) of the user seated on the seat 2 to the front side of the thigh are directed from the outside to the inside. The left and right air cells 7b can be inflated at the same time to hold the buttock (or waist) from the left and right.

  Two air cells 7c arranged at left and right sides with a predetermined interval are provided at the lower part and the upper part of the backrest part 3. The air cell 7c expands and contracts by air supply / exhaust from the air supply / exhaust device 51, thereby pressing the left and right portions of the waist and the left and right portions of the shoulder supported by the backrest portion 3 from the rear. .

  A plurality of air cells 7d to 7h are provided on the inner wall surface of the cylindrical elbow rest portion 20 of the armrest 4 so as to correspond to the hand, wrist, forearm, upper arm and shoulder (see also FIG. 3). Of these, air cells 7d and 7d are provided corresponding to the hands and wrists, and these air cells 7d and 7d are provided on the upper surface and the lower surface of the inner wall surface of the front unit 60 so as to face the back of the hand and the palm, respectively. It has been. Accordingly, the air supplied from the air supply / exhaust device 51 can be pressed so as to sandwich the user's hand from above and below.

  Air cells 7e and 7f are provided vertically corresponding to the forearms. The air cells 7e and 7f are opposed to the upper and lower surfaces of the forearm placed in the rear unit 61. 61 is provided on the inner wall surface. Accordingly, the air supplied from the air supply / exhaust device 51 can be pressed so as to sandwich the forearm of the user from above and below.

  Furthermore, air cells 7g and 7h are provided corresponding to the upper arm and the shoulder. Of these, the air cell 7g provided on the outside has a long dimension extending from the shoulder to the vicinity of the elbow, and the air cell 7h provided on the other inside is opposed to the front side portion of the air cell 7g. Is arranged. Then, by supplying air from the air supply / exhaust device 51, the outer portion of the upper arm and the shoulder can be pressed by the outer air cell 7g, and the inner portion of the upper arm can be pressed by the inner air cell 7h. Further, by simultaneously expanding the air cells 7g and 7h, the shoulder can be pressed from the outside while pressing (and holding) the upper arm so as to be clamped from inside and outside.

  As shown in FIG. 1, the footrest 5 is also provided with a plurality of air cells 7i to 7o. Specifically, in the upper footrest 14, two air cells 7i are provided vertically at positions facing the back surface of the calf, and two air cells 7j are provided vertically at positions facing the outer surface of the calf. One air cell 7k that is long in the vertical direction is provided at a position facing the inner side surface. These air cells 7i to 7k can be pressed from behind and both sides of the calf of the user.

  In the lower footrest 15, the air cell 7 l is located at a position facing the left and right sides of the heel, the air cell 7 m is located at the position facing the rear part (lower part of the heel), the air cell 7 n is located at the position facing the front part of the sole, and the foot. Air cells 7o are respectively provided at positions facing the left and right side portions. Of these, the air cell 7l can be pressed (and held) so as to sandwich the heel (particularly in the vicinity of the Achilles tendon) from the left and right by expanding, and the air cells 7m and 7n expand the rear and front portions of the sole by expanding. The air cell 7o can be pressed (and held) by pushing down the instep from above.

  Further, the head support 6 is also provided with a plurality of air cells (not shown) so that the back of the user's head and the upper part of the shoulder can be pressed.

[Function block]
FIG. 2 is a block diagram showing a configuration of the chair type massage machine 1. As shown in FIG. 2, each of the air cells 7a to 7o described above is connected to an air supply / exhaust device 51 including a pump and a valve through a flexible hollow air tube. The air supply / exhaust device 51 is accommodated below the seat portion 2 and is driven according to instructions from the control portion 50 accommodated below the seat portion 2 to independently supply and exhaust air to the air cells 7a to 7o. Can be done. Then, the air supply / exhaust device 51 is driven by the instruction from the control unit 50, and the air cells 7a to 7o expand and contract, so that the whole body of the user can be pressed and held. Yes. In addition, the air supply / exhaust device 51 operates according to a program set in advance according to an instruction from the control unit 50, and is input to the control unit 50 when the user operates a remote controller 55 connected to the control unit 50. It can also operate based on signals.

  In addition to the above, the chair type massage machine 1 is provided with various mechanisms. Specifically, the backrest part 3 is provided with a mechanical massage mechanism 9 so that the back part of the upper body of the user can be pressed and massaged. In addition, a seat swing mechanism 31 (see FIG. 2) is provided below the seat portion 2, and the seat swing mechanism 31 operates in response to an instruction from the control unit 50, thereby swinging the seat portion 2 in the left-right direction. It has become so. A drive unit 52 and an actuator 37 are provided below the seat unit 2, and when the drive unit 52 operates the actuator 37 in response to an instruction from the control unit 50, the backrest unit 3 has the lower part as a fulcrum and the upper part in the front-rear direction. It is designed to tilt up and down. Further, another drive unit 53 and an actuator 39 are provided below the seat unit 2, and when the drive unit 53 operates the actuator 39 in response to an instruction from the control unit 50, the footrest 5 has an upper portion as a fulcrum and a lower portion. The footrest 5 is configured to be able to expand and contract along the longitudinal direction of the crus.

[Configuration of armrest]
FIG. 3 is a side view of the left armrest 4 and schematically shows a configuration of a drive mechanism 65 that mainly moves the front unit 60 and the rear unit 61. FIG. 4 is a schematic front view of the drive mechanism 65 shown in FIG.

  As shown in FIG. 3, a drive mechanism 65 is accommodated in the side cover 21 positioned below the armrest 4, and the drive mechanism 65 includes a front link 71 and a rear link 72 disposed in the front and rear directions. , Two air bags 73 and 74 provided corresponding to the links 71 and 72, respectively. The links 71 and 72 and the air bags 73 and 74 form urging means for urging the front unit 60 and the rear unit 61 in the front-rear direction in the present embodiment.

  The front link 71 is long in the vertical direction, and as shown in FIG. 4, the lower portion 71a has a flat plate shape, and the upper portion has a bifurcated shape divided into left and right and extends upward and left and right upper ends 71b and 71b. have. A lower portion 71a of the front link 71 is supported by a left and right pivot 70a on a substantially horizontal link support surface 70 formed in the side cover 21, and an upper end 71b is formed in the front-rear direction around the pivot 70a. Can be swung. Further, an elliptical engagement hole 71c extending along the longitudinal direction of the link 71 is formed in the upper end portions 71b and 71b so as to penetrate in the left-right direction.

  Similarly, the rear link 72 is also long in the vertical direction, and the lower portion 72a has a flat plate shape, and the upper portion has left and right upper end portions 72b and 72b extending in a bifurcated shape divided into left and right. ing. The lower portion 72a of the rear link 72 is supported by the same pivot 70a that supports the lower portion 71a of the front link 71, and the upper end 72b can swing in the front-rear direction around the pivot 70a. Further, in the upper end portions 72b and 72b, an elliptical engagement hole 72c extending along the longitudinal direction of the rear link 72 is formed penetrating in the left-right direction.

  One of the two air bags 73, 74 is provided between the link support surface 70 and the lower portion 72a of the rear link 72, and the other air bag 73 includes the front and rear links 71, 72 is provided between the lower portions 71a and 72a. Each of these air bags 73 and 74 has base end portions 73a and 74a that cannot be deployed and deployable deployment portions 73b and 74b, and is deployed around the base end portions 73a and 74a by being supplied with air. The parts 73b and 74b are configured to expand and expand like a fan. Each of the air bladders 73 and 74 is disposed such that the base end portions 73a and 74a are closer to the pivot 70a than the deployment portions 73b and 74b. Accordingly, when the rear air bag 74 is inflated, both the front and rear links 71 and 72 swing forward, and when the front air bag 73 expands, only the front link 71 swings further forward. ing. As shown in FIG. 2, these air bags 73 and 74 are connected to the air supply / exhaust device 51 via an air tube, and the air supply / exhaust device 51 is driven by an instruction from the control unit 50, thereby It is independently supplied and exhausted and expands and contracts.

  Further, as shown in FIG. 3, a pressure sensor 60 a is provided between the front air bag 73 and the lower portion 72 a of the rear link 72, and between the rear air bag 74 and the link support surface 70. Another pressure sensor 61a is provided. As shown in FIG. 2, these pressure sensors 60 a and 61 a are connected to the control unit 50 and configured to output a predetermined signal to the control unit 50 when a predetermined pressure is applied. .

  On the other hand, a front unit support 75 is provided at the lower part of the front unit 60, and a rear unit support 76 is provided at the lower part of the rear unit 61. As shown in FIG. 4, the front unit support portion 75 has a substantially U-shape opened upward in a front view, and has a shape in which a front end and a rear end are opened, and a bottom wall portion 75 a and left and right side wall portions. 75b. The left and right side wall portions 75 b are positioned inwardly with respect to the left and right upper end portions 71 b of the front side link 71 with a predetermined space 75 s therebetween, and the upper end portions of the left and right side wall portions 75 b are fixed to the bottom portion of the front side unit 60. Has been. In addition, an engaging protrusion 75c protrudes outward from the left and right side wall portions 75b. The engagement protrusion 75 c is inserted through an engagement hole 71 c formed in the upper end portion 71 b of the front link 71.

  Similarly, the rear unit support portion 76 has a substantially U shape opened upward in a front view, and has a shape in which a front end and a rear end are opened, and a bottom wall portion 76a and left and right side wall portions 76b are formed. Have. The left and right side wall portions 76b are located inwardly with a predetermined space (not shown) with respect to the left and right upper end portions 72b of the rear link 72, and the upper end portions of the left and right side wall portions 76b are located on the rear side. It is fixed to the bottom of the unit 61. Further, the left and right side wall portions 76 b are provided with an engaging projection 76 c projecting outward. The engaging projection 76 c is formed in an engaging hole 72 c formed in the upper end portion 72 b of the rear side link 72. It is inserted. The rear unit support portion 76 and the bottom wall portion 76a, the side wall portion 76b, the engagement protrusion 76c, and the like included in the rear unit support portion 76 have the same configuration as the corresponding portions of the front unit support portion 75. The reference numerals of the corresponding parts of the rear unit support part 76 are shown in parentheses in the parts corresponding to the front unit support part 75.

  Further, a through-hole 77 having a rectangular cross section is formed in the bottom wall portion 75a of the front unit support portion 75 and the bottom wall portion 76a of the rear unit support portion 76 so as to pass through in the front-rear direction with the axes aligned. A swinging shaft 78 extending in the front-rear direction and having a rectangular cross section that substantially matches the cross-sectional shape of the through hole 77 is inserted into the through hole 77, and the front unit support portion 75 and the rear unit support portion 76 are inserted. Is slidable in the front-rear direction along the swing shaft 78 in a state where the swing shaft 78 is inserted into the through hole 77. Further, the front end of the swing shaft 78 is supported by a bearing portion 79 provided in the side cover 21 so as to freely rotate around the axis, and the rear end portion is provided in the side cover 21. A gear box 81 is connected to the output shaft of the provided motor 80. When the motor 80 is rotationally driven, the rotational force is transmitted through the gear box 81, and the swing shaft 78 is rotatable around the axis. As shown in FIG. 2, the motor 80 is connected to the control unit 50 via the drive unit 54, and the drive unit 54 operates according to an instruction from the control unit 50, so that a desired angle is obtained at a desired speed. Can only rotate.

  A rear portion of a plate-shaped guide plate 82 extending in the front-rear direction is connected to the bottom of the rear unit 61. The guide plate 82 is positioned between the left and right side wall portions 76b, 76b of the rear unit support portion 76, and has a width dimension slightly smaller than the separation distance between the side wall portions 76b, 76b. It is configured. The front portion of the guide plate 82 is extended below the front unit 60 so as to pass between the left and right side wall portions 75b, 75b of the front unit support portion 75. Therefore, the front unit 60 and the rear unit 61 move along the guide plate 82 when moving back and forth relatively, and the positional deviation in the left-right direction is restricted. The guide plate 82 is provided so as to extend forward from the vicinity of the bottom of the upper arm unit 62 (see FIG. 3), between the side wall portions 75b and 75b of the front unit support portion 75, and the side wall of the rear unit support portion 76. You may be comprised so that it may pass between the parts 76b and 76b.

  Further, cushion members 85 are attached to the rear end portion of the front unit 60, the front end portion and the rear end portion of the rear unit 61, and the front end portion of the upper arm unit 62, respectively.

[Operation of front unit and rear unit]
Next, operation | movement of the armrest 4 provided with such a structure is demonstrated. First, when air is supplied / exhausted only to the rear air bag 74, the rear link 72 swings in the front-rear direction about the pivot 70a, and the rear unit support 76 and the rear unit 61 are moved in the front-rear direction. Slide to. At the same time, since the front link 71 swings in the front-rear direction, the front unit 60 slides in the front-rear direction together with the front unit support portion 75 accordingly. On the other hand, when air is supplied / exhausted only to the front air bag 73, only the front link 71 swings in the front-rear direction, so that only the front unit 60 slides in the front-rear direction. At this time, the inflated state of the rear air bag 74 is maintained or completely contracted, and the rear link 72 swings in the front-rear direction as the front air bag 73 inflates and contracts. By not doing so, only the front unit 60 can be slid in the front-rear direction. Further, by supplying air to the rear air bag 74 while exhausting the front air bag 73, only the rear unit 61 can be slid forward, and conversely while supplying air to the front air bag 73, Only the rear unit 61 can be slid backward by exhausting the air bag 74 on the side. Further, by appropriately adjusting the amount, speed, and timing of air supply / exhaust to the front and rear air bags 73 and 74, the front unit 60 and the rear unit 61 can be moved back and forth in various patterns within the movable range of each other. Can be slid.

  In addition, when a part or a plurality of air cells 7d to 7h are supplied with air to expand them, the arm part of the user is stretched or rubbed in the longitudinal direction of the arm part. Can do. For example, if the air cells 7d, 7e, and 7f are inflated to hold the hand and the forearm and the air bags 73 and 74 are supplied and exhausted so that the front unit 60 and the rear unit 61 are relatively separated from each other, And the forearm can be stretched away from each other. Further, by moving the rear unit 61 in the front-rear direction while the air cells 7e, 7f are inflated, it is possible to perform massage so as to rub against the forearm in the front-rear direction.

  In the case of this rubbing massage, the air cell 7d of the front unit 60 is inflated to hold the hand, or the air cells 7g and 7h of the upper arm unit 62 are inflated to hold the upper arm, The positional deviation of the forearm accompanying the movement of the rear unit 61 can be suppressed, and effective treatment can be realized. Similarly, when sliding the front unit 60 back and forth to rub and massage the hands and wrists, the air cells 7e and 7f of the rear unit 61 are inflated to hold the forearms, thereby suppressing displacement and effective. Rub massage can be given. In addition, when rubbing massage, it is effective by slightly reducing the amount of air supplied to the air cell in contact with the treatment site compared to the amount of air supplied to the air cell that is inflated to prevent displacement. Rubbing massage can be realized.

  On the other hand, when the motor 80 is driven to rotate, the rotational force is transmitted to the swing shaft 78 via the gear box 81, and the front unit 60 together with the front unit support 75 is rotated along with the rotation of the swing shaft 78. It swings in the left-right direction, and the rear unit 61 swings in the left-right direction together with the rear unit support portion 76.

  In addition, by inflating a part or a plurality of the air cells 7d to 7h in accordance with this, a torsional massage or a rubbing massage in the circumferential direction of the arm can be performed on the arm of the user. For example, when the front unit 60 and the rear unit 61 are swung left and right while the air cells 7d to 7h are inflated to hold the hand and the forearm and the upper arm, the hand is moved against the upper arm that is fixedly held. And the forearm is rocked, and a massage that twists in the circumferential direction of the arm part can be realized. Further, when the front unit 60 and the rear unit 61 are swung left and right in a state where the air cells 7d, 7e, and 7f are inflated, it is possible to massage the surface of the hand and the forearm so as to rub in the circumferential direction. In this rubbing massage, the air cells 7g and 7h of the upper arm unit 62 are inflated to hold the upper arm, so that the positional deviation of the hand and the forearm accompanying the swinging of the front unit 60 and the rear unit 61 can be suppressed. Effective treatment can be realized. Further, in the rubbing massage, the amount of air supplied to the air cells 7d, 7e, 7f brought into contact with the treatment site is slightly smaller than the amount of air supplied to the air cells 7g, 7h that are inflated to prevent displacement. Thus, it is possible to effectively achieve a rubbing massage.

  Furthermore, since the front-rear slide operation and the left-right swinging operation of the front unit 60 and the rear unit 61 can be performed simultaneously under the control of the control unit 50, further various massages can be realized. For example, in a state where the air cells 7d, 7e, and 7f are inflated to hold the hand and the forearm, the front unit 60 and the rear unit 61 are swung left and right while being separated from each other, thereby twisting the hand and the forearm while stretching. Massage can be given. In addition, these treatment patterns can be arbitrarily combined. For example, after the muscles are loosened by rubbing massage in the longitudinal direction and / or circumferential direction of the arm, stretching and / or twisting massage can be performed. It is.

  Note that the engagement protrusion 75c of the front unit support portion 75 is inserted into the engagement hole 71c that the front link 71 has and has an oval shape, so that the engagement protrusion 75c can move in the engagement hole 71c. The front unit 60 can swing within the range. Further, since the space 75s is provided between the left and right side wall portions 75b of the front unit support portion 75 and the upper end portion 71b of the front link 71, the front link is moved when the front unit support portion 75 swings left and right. 71 does not come into contact with the upper end portion 71 b of 71. The same applies to the rear unit 61.

  Moreover, since the cushion material 85 is attached to the opposing location of the front unit 60 and the rear unit 61, when a foreign object is pinched | interposed into both units 60 and 61, both units 60 and 61 are damaged by this. Can be prevented. Similarly, since the cushion material 85 is also attached to the opposite portion between the rear unit 61 and the upper arm unit 62, even when a foreign object is sandwiched between the both units 61, 62, both units 61, 62 are thereby caused. Can be prevented from being damaged. Moreover, since the pressure sensor 60a is provided between the front air bag 73 and the lower part 72a of the rear link 72, the presence or absence of resistance to the forward movement of the front unit 60 can be determined by acquiring the pressure therebetween. Can be detected. Therefore, based on this, it can be detected that the front unit 60 has reached the front end of the movable range, and the timing for stopping the air supply to the air bag 73 can be measured. Further, since another pressure sensor 61a is provided between the rear air bag 74 and the link support surface 70, the presence or absence of resistance to the forward movement of the rear unit 61 is obtained by acquiring the pressure therebetween. Can be detected. Therefore, based on this, it can be detected that the rear unit 61 has reached the front end of the movable range, or has come into contact with the front unit 60, and the timing for stopping the air supply to the air bag 74 is measured. Can do.

  In addition, you may provide urging | biasing parts, such as a spring coil which urges | biases the air bags 73 and 74 with respect to the front side link 71 and the rear side link 72. Moreover, although the structure which supported the front side link 71 and the rear side link 72 by the same pivot 70a was shown, you may make it support by the separate pivot which arrange | positioned both back and forth.

[Other configuration of armrest (1)]
FIG. 5 is a perspective view showing another configuration of the armrest 4, and schematically shows a part of the armrest 4. FIG. 6 is a block diagram showing a functional configuration of the chair type massage machine 1 that employs the armrest 4 shown in FIG. 5, and parts common to the configuration shown in FIG. Show. As shown in FIG. 5, the drive mechanism 90 included in the armrest 4 includes a front link 91 and a rear link 92, a front air bag 93 provided between the links 91, 92, a rear link 92, and a link. A rear air bag 94 provided between the support surfaces 70 is provided, and these links 91 and 92 and air bags 93 and 94 are arranged in front of and behind the front unit 60 and the rear unit 61 in this embodiment. The urging means for urging in the right and left directions is formed.

  The front link 91 has a lower plate 91a formed in a rectangular plate shape, and a lower end thereof is supported by a left and right pivot 70a, and two air cylinders 91b and 91b extending upward are formed on the left and right sides of the upper end. 97 and 97 are connected. The air cylinder 91b is connected to an air supply / exhaust device 51 (see FIG. 6) via an air tube, and is expandable / contractable within a predetermined range by the air supply / exhaust from the air supply / exhaust device 51. It can be locked so that it cannot be expanded or contracted at any length inside. The upper ends of the air cylinders 91b and 91b are connected to the left and right parts of the front unit support part 95 attached to the lower part of the front unit 60 via other joints 98 and 98.

  The joint 97 is a universal joint that allows the air cylinder 91b to swing three-dimensionally relative to the lower portion 91a, and returns to a predetermined basic posture (here, a posture extending upward from the lower portion 91a). Thus, the air cylinder 91b can be urged, and for example, it is made of a synthetic resin such as rubber having a predetermined elasticity, a coil spring, or the like. The other joint 98 is also a universal joint (universal joint), which has a relatively small operating resistance, and the air cylinder 91b and the front unit support portion 95 can be relatively easily changed in relative posture. It has become.

  Similarly, the lower link 92a has a rectangular plate shape, and the lower end of the rear link 92 is supported by the same pivot 70a that pivotally supports the lower portion 91a of the front link 91. Two air cylinders 92b and 92b extending upward are connected via joints 97 and 97, respectively. The air cylinder 92b is connected to an air supply / exhaust device 51 (see FIG. 6) via an air tube, and is expandable / contractable within a predetermined range by the air supply / exhaust from the air supply / exhaust device 51. It can be locked so that it cannot be expanded or contracted at any length inside. The upper ends of the air cylinders 92b and 92b are connected to the left and right portions of the rear unit support portion 96 attached to the lower portion of the rear unit 61 via separate joints 98 and 98.

  The front unit support part 95 and the rear unit support part 96 may be substantially U-shaped like the front unit support part 75 and the rear unit support part 76 shown in FIGS. Here, a plate member having a rectangular plate shape in plan view is shown. A guide rod 99 extending in the front-rear direction is inserted through the front unit support portion 95 and the rear unit support portion 96. The guide rod 99 has a circular cross section, and both unit support portions 95 and 96 are supported so as to be rotatable around the guide rod 99 (that is, swingable in the left-right direction).

  Further, the front air bag 93 is provided between the front link 91 and the rear link 92 so as to be sandwiched between rectangular plate-like lower portions 91a and 92a included in both the links 91 and 92, and the air shown in FIG. It has a base end portion 93a and a deployment portion 93b similar to the bag 73, and is configured to be fan-shaped inflatable. Similarly to the air bag 73, the base end portion 93a is closer to the pivot 70a than the deployment portion 93b. It is arranged. The rear air bag 94 is provided so as to be sandwiched between the lower portion 92a of the rear link 92 and the link support surface 70. Similar to the air bag 74 shown in FIG. Like the air bag 74, the base end portion 94a is disposed so as to be closer to the pivot shaft 70a than the expansion portion 94b. These air bags 93 and 94 are also connected to an air supply / exhaust device 51 (see FIG. 6) via an air tube, and can be expanded and contracted by air supply / exhaust from the air supply / exhaust device 51.

  In the case of the armrest 4 having such a configuration, the front unit 60 and the rear unit 61 can be moved forward and backward independently from each other by appropriately adjusting the supply and exhaust of air to the air cylinders 91b and 92b and the air bags 93 and 94. It is possible to swing left and right, and it is also possible to simultaneously perform a back-and-forth slide operation and a left-right swing operation.

  For example, by inflating and deflating the air bag 94, the front unit 60 and the rear unit 61 can be slid in the front-rear direction. By inflating and deflating the air bag 93, only the front unit 60 is moved in the front-rear direction. Can be slid. In addition, only the rear unit 61 can be slid forward by supplying air to the air bag 94 while exhausting the air bag 93, and conversely, the rear unit can be discharged by exhausting the air bag 94 while supplying air to the air bag 93. Only 61 can be slid backward.

  As for the front unit 60, the front unit 60 can be swung in the left-right direction by appropriately expanding and contracting the left and right air cylinders 91b, 91b of the front link 91 corresponding thereto. In addition, one of the left and right cylinders 91b and 91b is locked to a predetermined length, and the other is in a free and retractable state. In this state, air is supplied to and exhausted from the air bags 93 and 94, thereby moving the front unit 60 forward and backward. It can be swung left and right while sliding in the direction. That is, when the air bags 93 and 94 are inflated while the right cylinder 91b is locked and the left cylinder 91b is free, the front unit 60 slides forward, while the right portion with the locked cylinder 91b is downward. When the air bags 93 and 94 are contracted, the reverse operation is performed. On the other hand, if the air bags 93 and 94 are inflated while the left cylinder 91b is locked and the right cylinder 91b is free, the front unit 60 slides forward, while the left side portion with the locked cylinder 91b is located. When the air bags 93 and 94 are contracted, the reverse operation is performed.

  The same applies to the rear unit 61, and the right side portion or the left side portion can be swung downward while sliding forward, and the right side portion or left side portion downward while sliding backward. It can be swung to face.

[Other configuration of armrest (2)]
FIG. 7 is a perspective view showing still another configuration of the armrest 4 and schematically shows a mode in which the front unit 60 provided in the armrest 4 is operated. The drive mechanism 100 shown in FIG. 7 has two link rods 101 and 102 having a fixed length and arranged on the left and right. Of these, the right link rod 101 has an upper end connected to the right portion of the front unit support portion 95 via the ball joint 103 and a lower end connected to the right portion of the link support surface 70 via the ball joint 103. Yes. The left link rod 102 has an upper end connected to the left side portion of the front unit support portion 95 via the ball joint 103, and a lower end portion connected to the left side portion of the link support surface 70 via the ball joint 103. Yes. However, the connection positions of the link rods 101 and 102 and the front unit support part 95 are arranged side by side so that the front-rear direction positions thereof are substantially the same, but the link rods 101 and 102 and the link support surface The connection position with respect to 70 is shifted by a predetermined distance in the front-rear direction. In this embodiment, the lower end portion of the right link rod 101 is positioned forward of the lower end portion of the left link rod 102. Yes.

  In addition to the link rods 101 and 102, the drive mechanism 100 shown in FIG. 7 has an air bag (not shown) similar to the drive mechanisms 65 and 90 already described. The link rods 101 and 102 and the air bag constitute an urging means for moving the front unit 60. Although not shown, a guide rod similar to that shown in FIG. 5 is inserted into the front unit support portion 95, and can swing left and right while being supported by the guide rod. ing. Further, the configuration for moving the rear unit 61 is the same as the configuration for moving the front unit 60, and therefore, detailed description thereof is omitted here.

  In the armrest 4 having such a configuration, the front unit 60 can be slid in the front-rear direction by expanding and contracting an air bag (not shown) and swinging the link rods 101, 102 in the front-rear direction. Moreover, since the link rods 101 and 102 have a fixed length and the connecting position of the lower end portion to the link support surface 70 is shifted in the front-rear direction, the front unit 60 moves in the left-right direction as the front-rear direction slides. Can be swung. When the lower end of the right link rod 101 is connected to the link support surface 70 in front of the lower end of the left link rod 102 as in the present embodiment, the front unit 60 slides forward while the left portion is downward. When it is slid rearward, the right side portion swings downward. Conversely, when the lower end portion of the left link rod 102 is connected to the link support surface 70 in front of the lower end portion of the right link rod 101, the front unit 60 slides forward and swings so that the right portion is directed downward. When it is moved and slid backward, it swings so that the left side portion is directed downward.

  Further, the link rods 101 and 102 and the front unit support portion 95 may have a connection form as shown in FIG. 8 in addition to the connection form as shown in FIG. Specifically, the lower end portions of the left and right link rods 101, 102 are arranged so that the positions in the front-rear direction are the same and connected to the link support surface 70, while the front-rear positions of the upper ends of the links 101, 102 are 8 may be connected to the front unit support portion 95, and in FIG. 8, the upper end portion of the right link rod 101 is positioned forward relative to the upper end portion of the left link rod 102. In the state, they are respectively connected to the front unit support portion 95. Even with such a configuration, the front unit 60 can be swung left and right as the front unit 60 moves back and forth.

[Other configuration of armrest (3)]
FIG. 9 is a schematic plan view showing still another configuration of the armrest 4. A state where the front unit 60 and the rear unit 61 are positioned relatively rearward (contracted state) is indicated by a two-dot chain line. The state located in the front (extension state) is indicated by a thick solid line. The armrest 4 is provided with an expansion / contraction mechanism 110 below the front unit 60 and the rear unit 61, and these units 60 and 61 are supported by the expansion / contraction mechanism 110. More specifically, the expansion / contraction mechanism 110 has a pantograph structure that can expand and contract in the front-rear direction, the rear end portion 110c is supported by the lower portion of the upper arm unit 62, and the front end portion 110a is supported by the lower portion of the front unit 60, Further, an intermediate part 110 b between the front end part 110 a and the rear end part 110 c is supported by the lower part of the rear unit 61. As for the expansion / contraction mechanism 110, the contracted state is indicated by a two-dot chain line, and the extended state is indicated by a thick solid line.

  Further, two guide rails 111 extend forward from the left and right of the upper arm unit 62, and the front unit 60 and the rear unit 61 can slide in the front-rear direction along the guide rail 111. At the same time, the positional deviation in the left-right direction is regulated. A driving air bag (not shown) is disposed below the rear unit 61 and expands and contracts by supplying and exhausting air from an air supply / exhaust device similar to that shown in FIG. 61 can be biased in the front-rear direction.

  When such an armrest 4 is supplied to and exhausted from the air bag, the rear unit 61 slides in the front-rear direction, and the front unit 60 connected via the telescopic mechanism 110 also slides in the front-rear direction. Further, as described above, the telescopic mechanism 110 has a pantograph structure, and the rear end portion 110c is supported by the upper unit 62, so that the front side is larger than the sliding distance of the rear unit 61 by a distance larger than that. The unit 60 can be slid in the same direction. Moreover, there is an advantage that when the both units 60 and 61 are slid, only the air bag for moving the rear unit 61 needs to be supplied and exhausted.

  In the above description, the elbow rest 20 is divided into the front unit 60, the rear unit 61, and the upper arm unit 62, and the front unit 60 and the rear unit 61 are moved in the front-rear direction and the left-right direction. As described above, the upper arm unit 62 may also be moved in the front-rear direction and the left-right direction, and the elbow rest portion 20 may be divided into two or four or more. Further, the front unit 60 and the rear unit 61 may be integrated, and may be slidable in the front-rear direction and / or swung in the left-right direction.

  INDUSTRIAL APPLICABILITY The present invention can be applied to a chair type massage machine that can easily change the position of the elbow rest according to the physique of the user and can perform various massages on the arm. .

It is a perspective view which shows the whole structure of the chair type massage machine which concerns on embodiment of this invention. It is a block diagram which shows the structure of the chair type massage machine shown in FIG. It is a side view of the armrest on the left side, and schematically shows the configuration of a drive mechanism that mainly moves the front unit and the rear unit. FIG. 4 is a schematic front view of the drive mechanism shown in FIG. 3. It is a perspective view which shows the other structure of an armrest, and has shown typically a part of armrest. It is a block diagram which shows the functional structure of the chair type massage machine which employ | adopted the armrest shown in FIG. It is a perspective view which shows other structure of an armrest, and has shown typically the aspect which operates the front unit with which an armrest is provided. It is a perspective view which shows the modification of the structure shown in FIG. It is a typical top view showing other composition of an armrest.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Chair type massage machine 2 Seat part 3 Backrest part 4 Armrest 5 Footrest 20 Elbow rest part 21 Side cover 7 Air cell 50 Control part 51 Air supply / exhaust device 60 Front side unit 60a Pressure sensor 61 Rear side unit 61a Pressure sensor 62 Upper arm unit 65, 90, 100 Drive mechanism 71, 91 Front link 72, 92 Rear link 73, 74, 93, 94 Air bag 78 Swing shaft 80 Motor 85 Cushion material 101, 102 Link rod

Claims (7)

A chair-type massage machine including a seat portion on which a user is seated, wherein an armrest portion on which the arm portion of the user is placed is disposed on the left and right sides of the seat portion,
The elbow rest is
A front unit that supports a hand-side portion of the arm of the user being placed;
A rear unit that supports a portion located closer to the shoulder side than the hand side portion;
An air bag inflated and inflated to hold the arm of the user provided in the front unit and the rear unit;
A driving unit for moving the front unit and the rear unit ;
The drive unit and the air bag of the front unit and the air bag of the rear unit are respectively driven by the control unit,
The chair type massage machine, wherein the front unit and the rear unit move independently in the front-rear direction. The chair type massage machine according to claim 1, wherein the drive unit is configured to be able to swing the front unit and the rear unit in the left-right direction. 3. The chair type massage machine according to claim 1, wherein the control unit holds the arm part in one of the front unit and the rear unit and slides the other unit back and forth. The chair-type massage machine according to any one of claims 1 to 3, wherein the control unit has different air supply amounts of the air bag of the front unit and the air bag of the rear unit. The chair type massage machine according to claim 4, wherein the control unit reduces the air supply amount of the air bag of the unit to be slid compared to the air supply amount of the air bag of the unit holding the arm portion. .   The chair type massage machine according to any one of claims 1 to 5, further comprising a pressure sensor for detecting an urging pressure when the front unit and the rear unit approach each other.   The chair type massage machine according to any one of claims 1 to 6, wherein a cushion material is disposed between the front unit and the rear unit.

Images