WO2020179213A1 - 椅子型マッサージ機 - Google Patents

椅子型マッサージ機 Download PDF

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Publication number
WO2020179213A1
WO2020179213A1 PCT/JP2020/000467 JP2020000467W WO2020179213A1 WO 2020179213 A1 WO2020179213 A1 WO 2020179213A1 JP 2020000467 W JP2020000467 W JP 2020000467W WO 2020179213 A1 WO2020179213 A1 WO 2020179213A1
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WO
WIPO (PCT)
Prior art keywords
footrest
posture
footrest portion
chair
seat
Prior art date
Application number
PCT/JP2020/000467
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
文敬 石黒
清水　新策
Original Assignee
大東電機工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 大東電機工業株式会社 filed Critical 大東電機工業株式会社
Priority to SG11202010331RA priority Critical patent/SG11202010331RA/en
Priority to CN202080002201.9A priority patent/CN111971015B/zh
Publication of WO2020179213A1 publication Critical patent/WO2020179213A1/ja

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H15/00—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H7/00—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for

Definitions

  • the present invention relates to a chair-type massage machine provided with a footrest portion that massages the lower limbs of a user seated on the seat portion so as to be able to move in and out.
  • Patent Document 1 a chair-type massage machine including a footrest portion that massages a treatment portion of a lower limb of a user who is seated on a seat portion is known as in Patent Document 1.
  • the massage machine of Patent Document 1 is formed in a bucket seat type in which a backrest portion and a seat portion are integrated, and massages along a rack portion provided over a wide range from the upper end to the lower end of the backrest portion. By guiding the mechanism up and down, it is possible to treat a wide range from the shoulder to the waist.
  • the massage machine of patent document 1 equips the front side of a seat part with a footrest part, and when massaging a user's lower limbs, a footrest part is flipped up toward the front upper side, and it is almost the same height as a seat part. It is possible to massage the lower limbs by inserting the lower limbs into the footrest that has jumped up.
  • the massage machine of Patent Document 1 can be installed in a state where the footrest portion is placed on the floor surface in front of the seat portion when the massage is not performed. Therefore, for example, when attempting to sit on or stand up from the seat portion, the footrest portion placed on the floor may be an obstacle.
  • the installation space for the massage machine is increased by the space for mounting the footrest portion, it is not preferable in terms of convenience to accommodate the footrest portion as described above.
  • the present invention has been made in view of the above-mentioned problems, and the footrest portion can be reliably accommodated in the space below the seat portion so as not to interfere with sitting or leaving the seat, and the installation space can be reduced. It is intended to provide a chair-type massage machine that is also highly convenient.
  • the chair-type massage machine of the present invention takes the following technical measures. That is, the chair-type massage machine of the present invention includes a seat portion on which a user sits, a backrest portion arranged behind the seat portion to support the back portion of the user, and lower limbs capable of treating the lower limbs of the user.
  • a chair-type massage machine having an insert part and a footrest part capable of being housed in a lower part of the seat part, wherein the seat part includes a housing position located in a lower part of the seat part and the housing part.
  • a footrest retracting mechanism for reciprocatingly moving the footrest portion is provided between the footrest portion and a protruding position located in front of the position, and the footrest retracting mechanism moves the footrest portion toward the protruding position.
  • a footrest support that rotatably supports the footrest portion around a rotation axis facing the left-right direction, and left and right of the footrest support with respect to the front side of the seat portion.
  • a swing arm that swingably supports about an axis that faces the direction, and the footrest retracting mechanism moves the footrest portion from an upward posture to a forward posture when the footrest portion is in the first stage. It is preferable to have a posture changing means for changing the posture, and to change the posture of the footrest portion by the posture changing means when the footrest portion shifts from the first stage to the second stage. ..
  • the posture changing means is provided with a guide groove provided in an inclined shape on the seat portion side and a guide groove so as to project from the footrest portion and the tip is fitted into the guide groove. And a guide pin that is movable along the guide pin, and the guide pin moves into the inclined guide groove in the first step while the guide pin moves to change the posture of the footrest portion from the upward posture to the forward posture. It is good.
  • the footrest support is provided with an elastic member that generates an elastic force so that the lower limb insertion part rotates in a direction facing the front with respect to the rotation axis of the footrest part. It is preferable that the footrest portion is rotated in a direction in which the lower limb insertion portion of the footrest portion is directed forward by using the rotational driving force generated by the elastic member in the second stage.
  • the footrest retracting mechanism inserts a lower limb of the footrest portion against the elastic force of the elastic member when retracting the footrest portion arranged at the protruding position toward the accommodation position. It is preferable that the footrest portion is rotated in a direction in which the portion faces the rear upper side, and then the footrest portion is moved toward the accommodation position. It should be noted that preferably, by restricting the rotation of the footrest portion with respect to the footrest support, the footrest portion is divided into an upward posture in which the lower limb insertion portion of the footrest portion faces upward and a forward posture in which the lower limb insertion portion faces forward. It is preferable to have a posture holding means for holding the posture.
  • the footrest part can be reliably accommodated in the space below the seat part so as not to disturb the sitting and leaving of the seat, and the chair-type massage machine which is small in installation space and has excellent convenience. Can be provided.
  • FIG. 7 is a perspective view of the footrest portion during the movement of the footrest retracting mechanism from the first stage to the second stage.
  • FIG. 7 is a left side view of the footrest portion of FIG. 6. It is a right view of the footrest part of FIG.
  • FIG. 9 is a perspective view of the footrest portion in which the lower limb insertion portion is rotated in a direction that faces the upper rear side when moving toward the storage position. It is a left view of the footrest part of FIG. It is a right view of the footrest part of FIG.
  • the chair-type massage machine 1 of the present embodiment has a so-called bucket type outer jacket 2, and the inside of the outer jacket 2 is sufficient to support the user's buttocks from below. It has a seat portion 3 having a space, a backrest portion 4 provided on the rear side of the seat portion 3, and a footrest portion 5 provided on the front side of the seat portion 3.
  • a seat massage mechanism (not shown) is provided inside the seat 3 to massage the user's buttocks to thighs (the part to be treated, the affected part). Further, a back massage mechanism (not shown) is provided inside the backrest 4 for treating a treatment area from the shoulder to the waist of the user leaning on the backrest 4. These massage mechanisms are movable by rails or the like, and can selectively treat a plurality of treatment parts from the buttocks to the thighs or a plurality of treatment parts from the shoulders to the lumbar region. Further, inside the footrest portion 5 in front of the seat portion 3, a foot massage mechanism is provided which is formed in a shape capable of inserting the user's lower limbs and enables massage to the inserted user's lower limbs. Has been.
  • the seat portion 3, the backrest portion 4, and the footrest portion 5 constituting the chair-type massage machine 1 of the present embodiment will be described.
  • the height direction of the backrest portion 4 in the upright state is defined as the vertical direction, and the direction indicated by the arrow in FIG.
  • the explanation will be given as the direction (width direction) and the front-back direction. These directions coincide with the vertical direction, the horizontal direction, and the front-rear direction as seen by the user sitting on the chair-type massage machine 1.
  • the seat portion 3 has a tower-shaped seat portion support frame 6 in which square bar-shaped members are combined.
  • a seat massage mechanism for massaging the treatment area of the buttocks of the user seated on the seat 3 is provided movably in the front-rear direction, from the user's buttocks to the thighs. It is possible to massage a wide range of.
  • a cushion member used by the user to sit down is provided above the seat support frame 6.
  • the seat support frame 6 is covered with a casing, a seat, etc., so that foreign matter cannot enter from the outside.
  • the backrest portion 4 is a member located behind the seat portion 3 and is formed in a flat plate shape having a thickness so that a user can lean on it.
  • a back massage mechanism for rubbing, hitting, or grabbing a massage portion is arranged so as to be movable in the up and down direction, and extends from the user's shoulder to the waist through the back. It enables massage over a wide range.
  • a back portion support frame 7 in which rectangular bar-shaped members are combined is provided like the seat portion 3.
  • upper arm massage parts 8 are provided on both left and right sides of the backrest part 4 of the chair-type massage machine 1 described above.
  • the upper arm massage portion 8 is arranged so as to project forward from the left and right ends of the backrest portion 4, and enables pressure massage using an airbag on the upper arm of the user.
  • the mantle body 2 of the chair-type massage machine 1 formed in a bucket shape has a lower arm massage portion 9 for treating by inserting the left and right arms of the user into the inner peripheral surface slightly above the seat portion 3. doing.
  • the footrest part 5 is a member that can massage the treatment part of the user's lower limbs by using a foot massage mechanism provided inside.
  • the footrest part 5 is reliably accommodated in the accommodation position in the lower part of the seat part 3 and does not project outward.
  • the chair-type massage machine 1 can obtain a neat appearance at the time of accommodation, and it is possible to enhance the design.
  • the footrest portion 5 is capable of advancing from the accommodation position toward the protruding position located on the upper front side of the accommodation position when treating the treatment part of the lower limb. This protruding position is located slightly ahead of the accommodation position and is set to an optimum height for the user to treat the treatment part of the lower limb with the legs extended.
  • the footrest portion 5 that has advanced to the projecting position can also be returned to the accommodation position, and the operation of the footrest portion 5 is reversible, and it is possible to reciprocate between the accommodation position and the projecting position.
  • the footrest exit / exit mechanism 10 which will be described later, enables the footrest portion 5 to move forward from the accommodation position to the protruding position and retract from the protruding position to the accommodation position in this way.
  • the above-mentioned footrest portion 5 includes a lower limb insertion portion 11 into which the lower limb of the user can be inserted.
  • the lower limb insertion portion 11 is formed in a concave shape so as to open toward the outside of the footrest portion 5 (forward and upward in the case of a forward posture), so that the user can insert the lower limb. ing. Further, the lower limb insertion portions 11 are formed on the left side and the right side of the footrest portion 5, respectively.
  • two massage bodies inside the footrest portion 5, two massage bodies, an upper foot massage body 12 and a lower foot massage body 13 arranged below the upper foot massage body 12, are provided as a foot massage mechanism.
  • Each of the upper foot massager 12 and the lower foot massager 13 has a plate-like massager that massages the treatment part of the lower limb inserted in the lower limb insertion part 11 so as to sandwich it from both left and right sides.
  • These massage bodies can be individually swung in the left-right direction by using rotational driving force generated by motors (not shown) provided in the upper foot massage body 12 and the lower foot massage body 13, respectively. There is.
  • a rotating shaft 14 protruding outward in the left-right direction from the outer surface, and a footrest support body 15 rotatably supporting the rotating shaft 14.
  • a swing arm 16 that swingably supports the footrest support 15 around an axis facing the left-right direction with respect to the seat support frame 6 on the upper front side is provided.
  • the footrest support 15 described above is provided on each of the left and right sides of the footrest portion 5, and each is a plate-shaped member having an elliptical lateral view.
  • the footrest support 15L on the left side will be described with reference to FIG. 3A, and the footrest support 15R on the right side will be described with reference to FIG. 3B.
  • the left footrest support body 15L is a member that is provided on the left side of the footrest portion 5 and rotatably supports the footrest portion 5 from the left side.
  • FIG. 3A shows the footrest portion 5 that is in an upward posture in the storage position, but the left footrest support 15 in the upward posture has an elliptical shape whose side view is longer in the vertical direction than in the horizontal direction ( It is a plate member having an elliptical shape that is long in the front-rear direction in the forward posture.
  • the left footrest support 15L is formed so as to have the same vertical dimension as the vertical dimension of the footrest portion 5 in the upward posture.
  • An insertion hole 17L penetrating the left footrest support 15 in the left-right direction is formed in the lower center of the left footrest support 15L.
  • This insertion hole 17L can be inserted through the rotation shaft 14 of the footrest portion 5.
  • the rotation shaft 14 By inserting the rotation shaft 14 into the insertion hole 17L, the footrest portion 5 moves in the left-right direction relative to the left footrest support body 15L. It is said to be rotatable around the facing axis.
  • a transmission wheel 18 is provided on the rotation shaft 14 located near the exit side of the insertion hole 17L in the rotation shaft 14 of the footrest portion 5, in other words, near the surface of the left footrest support 15L.
  • the transmission foil 18 is an annular member having a diameter larger than the shaft diameter of the rotating shaft 14, and is integrally rotatably attached to the rotating shaft 14.
  • the elastic force generated by the elastic member 19 described later is input to the transmission wheel 18 in the normal direction, and the footrest portion 5 is tilted forward (counterclockwise when viewed from the left side). (Direction), a moment (torque) for rotating the rotating shaft 14 is applied.
  • a positioning protrusion 20 is formed on the outer peripheral edge of the transmission foil 18 so as to project in a direction away from the axis of the rotating shaft 14.
  • the footrest rotates at a position where it comes into contact with the positioning projection 20 of the transmission wheel 18 when the footrest portion 5 is rotated to the forward posture.
  • the regulation unit 21 is formed. That is, when the footrest portion 5 is rotated to the forward posture, the positioning projection 20 of the transmission wheel 18 comes into contact with the footrest rotation restricting portion 21 of the left footrest support 15L, and the footrest portion 5 moves forward more than necessary. Rotation toward the front is restricted.
  • the elastic member 19 described above is a member that can apply a force (elastic force) to the transmission foil 18 in the normal direction.
  • a force elastic force
  • an air cylinder that can input a restoring force generated when restoring from a contracted state to the transmission foil 18 in the normal direction is used.
  • the tip of the elastic member 19 (air cylinder) is attached to the transmission wheel 18 of the left footrest support 15L, and the base end of the elastic member 19 is fixed to the upper center of the left footrest support 15L.
  • the above-mentioned moment is always applied to the rotary shaft 14 (footrest portion 5) with respect to the footrest support body 15.
  • a force may be applied to the elastic member 19 of the present invention by means other than the air cylinder.
  • a coil spring or an electric actuator can be used.
  • the footrest support body 15 is swingable about an axis in the left-right direction with respect to the front upper portion of the seat support frame 6 at the center upper side of the left footrest support body 15L.
  • a swing arm 16 is provided to support the vehicle. Specifically, the swing arm 16 is a strip-shaped member whose midway side in the vertical direction is bent rearward. The bending angle of the swing arm 16 is substantially a right angle, and the swing arm 16 has a substantially L-shaped shape.
  • the one end of the swing arm 16 is connected to the upper front part of the seat support frame 6 so as to be swingable around an axis that faces the left-right direction.
  • the other end of the swing arm 16 is fixed to the upper center of the left footrest support 15L. That is, by using the swing arm 16 described above, the left footrest support body 15L and the footrest portion 5 are swingably connected to the upper front portion of the seat portion support frame 6 and accommodated under the seat portion 3. It is swingable so as to jump upward from the position toward the upper front side.
  • the right footrest support 15R has the same configuration as the left footrest support 15L described above.
  • the point in which the footrest support 15 is swingably connected to the seat support frame 6 via 16 is the same as the left footrest support 15L.
  • the right footrest support 15R is different from the left footrest support 15L in that it has a posture holding means 22 described later.
  • the posture holding means 22 is provided on the outer surface of the right footrest support 15R and holds the posture of the footrest 5 by restricting the rotation of the footrest 5 with respect to the footrest support 15R. ing.
  • the posture holding means 22 includes an engaged member 23 integrally attached to the rotary shaft 14 of the footrest portion 5, an engaging member 24 engaging with the engaged member 23, and an engaged member 23. It has a lever member 25 that engages and disengages the engaging member 24 with the member 23 (selects engagement / disengagement by the engaging member 24).
  • the engaged member 23 described above is formed in an annular shape so as to be coaxial with the axis of the rotating shaft 14, and is attached to the rotating shaft 14 near the exit side of the insertion hole 17R in the right footrest support 15R. On the other hand, it is fixed so as to be integrally rotatable with the rotating shaft 14. Two positioning recesses 26 for positioning are formed on the outer peripheral edge of the engaged member 23 at a distance in the circumferential direction.
  • the engaging member 24 has an engaging piece 27 that engages with the above-described positioning recess 26 of the engaged member 23 on the center side of the right footrest support 15.
  • the engaging member 24 includes an engaging piece 27 that can be fitted in the positioning recess 26 in the vertical direction, a connecting rod 28 that moves the engaging piece 27 in the vertical direction, and a connecting rod 28 in the vertical direction. It has a guide unit 29 for movably guiding the user.
  • the engaging piece 27 is a small piece that can be fitted into the positioning recess 26 to regulate the rotation of the engaged member 23, and is attached to the lower end of the connecting rod 28.
  • the connecting rod 28 is a rod-shaped member that extends in the vertical direction, and is a member in which the midway side in the vertical direction is bent into a crank shape.
  • the guide portion 29 is a tubular member through which the connecting rod 28 is inserted, and is attached to the footrest support 15R on the right side so that the connecting rod 28 can be inserted along the vertical direction.
  • the lever member 25 is a member having a lever 41 that can be switched in the vertical direction, and is fixed to the upper center of the footrest support 15R on the right side.
  • the lever 41 of the lever member 25 is connected to the upper end of the connecting rod 28, and when the lever 41 is switched to the upper side, the engaging piece 27 moves upward via the connecting rod 28, and the engaging piece 27 moves from the positioning recess 26. Detach upwards.
  • the lever 41 when the lever 41 is switched downward, the engaging piece 27 moves downward via the connecting rod 28, and the engaging piece 27 fits into the positioning recess 26.
  • the lever member 25 regulates the insertion/removal of the engagement piece 27 with respect to the positioning recess 26, and it is possible to switch between rotation and non-rotation of the footrest portion 5 with respect to the footrest support body 15.
  • one positioning recess 26a of the two positioning recesses 26 is formed on the outer peripheral surface of the engaged member 23 into which the engaging piece 27 can be fitted when the footrest 5 is in the upward posture.
  • the other positioning recess 26b is formed on the outer peripheral surface of the engaged member 23 into which the engaging piece 27 can be fitted.
  • the posture holding means 22 holds the posture of the footrest portion 5 in the upward posture in which the lower limb insertion portion 11 faces upward and the forward posture in which the lower limb insertion portion 11 faces forward by the posture holding means 22 described above. Is possible.
  • the chair-type massage machine 1 of the present invention is characterized by having a footrest retracting mechanism 10 capable of reciprocating the footrest portion 5 between the accommodation position and the protruding position described above. Further, the footrest portion 5 is in an upward posture in which the lower limb insertion portion 11 faces upward when it is in the accommodation position. On the other hand, when the footrest portion 5 is in the protruding position, the lower limb insertion portion 11 is in a forward-facing posture facing forward. That is, the footrest retracting mechanism 10 not only reciprocates the footrest portion 5 between the accommodation position and the protruding position, but also changes the posture of the footrest portion 5 between the upward posture and the forward posture. , The position and posture can be changed.
  • the posture change of the footrest portion 5 described above is performed by moving the footrest portion 5 from the accommodation position toward the protruding position by performing two different operations, a first stage and a second stage. And the position is changing.
  • the posture of the footrest portion 5 is gradually changed from the upward posture in accordance with the swing of the footrest support body 15 toward the front.
  • the second stage in the second stage following the first stage, the footrest portion 5 is moved to the projecting position while being in the forward posture.
  • the first stage changes both the posture and the position of the footrest part 5, and the second stage changes the position of the footrest part 5.
  • the footrest portion 5 is moved from the accommodation position to the projecting position through the two steps in that the footrest portion 5 hits the seat portion support frame 6 when the posture of the footrest portion 5 in the upward posture is directly changed in the accommodation position. This is because the posture cannot be changed sufficiently. Therefore, in the footrest retracting mechanism 10 of the present invention, the posture of the footrest portion 5 is gradually changed from the upward posture to the forward posture while advancing the footrest portion 5 forward from the accommodation position to the protruding position in the first stage. .. In this way, the posture of the footrest portion 5 can be changed while suppressing the interference of the footrest portion 5 with the seat portion support frame 6.
  • the footrest retracting mechanism 10 of the present invention employs a configuration in which, after the posture of the footrest portion 5 is changed to the forward posture, the footrest portion 5 is moved to the projecting position in the forward posture in the second stage. .. With such a configuration, it is not necessary to secure an extra space between the footrest portion 5 and the seat portion support frame 6, and the posture of the footrest portion 5 can be smoothly changed. It becomes possible to make it compact according to the size of the footrest portion 5, and it is possible to obtain the chair-type massage machine 1 excellent in convenience that can be accommodated even in a small installation space.
  • the front end of the swing arm 16 (the lower end side of the swing arm 16) is pivotally supported and the shaft 30 extending along the front-rear direction and the rear end of the shaft 30 are pushed in the front-rear direction.
  • It has an actuator 31 for pulling, and a posture changing means 32 for changing the posture of the footrest portion 5 from an upward posture to a forward posture when the footrest portion 5 is in the first stage. Then, when the footrest portion 5 shifts from the first stage to the second stage, the posture change of the footrest portion 5 is completed by the posture changing means 32, and the footrest portion 5 is in a forward posture in the second stage.
  • the footrest portion 5 is configured to move toward the protruding position while maintaining the forward facing posture.
  • the above-described actuator 31 is a member that is provided on the lower rear side of the seat supporting frame 6 and that generates a driving force for moving the footrest 5 forward and backward.
  • the actuator 31 of the present embodiment is an electric actuator 31 having a drive shaft 31a extending so as to incline slightly upward toward the front, and a slider 33 movable along the drive shaft 31a.
  • the rear end of the shaft 30, which will be described later, is swingably connected to the slider 33 which can be moved to the left and right directions.
  • the shaft 30 is a long rod-shaped member, is formed in an inclined shape from the lower rear side toward the upper front side, and connects the actuator 31 and the swing arm 16 described above. Specifically, the rear end of the shaft 30 is oscillatingly connected to the slider 33 of the actuator 31 around an axis facing in the left-right direction. Further, the front end of the shaft 30 is swingably connected to the midway side of the swing arm 16 in the vertical direction around an axis facing the left-right direction.
  • a short frame 34 having a length of about 1/4 to 1/3 of the shaft 30 described above is provided between the slider 33 of the actuator 31 and the seat supporting frame 6 (lower side of the center of the seat supporting frame 6). Is also provided.
  • the short frame 34 is connected to both the slider 33 and the seat portion support frame 6 so as to be swingable around an axis oriented in the left-right direction, and connects the two members of the slider 33 and the seat portion support frame 6 to each other. doing. That is, when the above-mentioned slider 33 is moved forward along the drive shaft 31a of the actuator 31, the distance between the slider 33 and the seat support frame 6 is determined via the short frame 34, so that the front end is closer to the rear end.
  • the inclination of the drive shaft 31a increases in the direction in which As a result, the slider 33 of the actuator 31 moves toward the upper front side, and the rear end of the actuator 31 also moves toward the upper front side. That is, the shaft 30, the short frame 34, and the swing arm 16 described above constitute a so-called parallel link mechanism, and the footrest attached to the tip of the swing arm 16 as the slider 33 moves back and forth. It is possible to swing the support body 15 so as to bounce upward toward the front side.
  • the swing arm 16 swings so as to jump forward, and the footrest support body 15 attached to the other end of the swing arm 16 also moves. It swings toward the front upper side around the front upper part of the seat support frame 6.
  • the footrest portion 5 significantly changes its posture from the upward posture to the forward posture with respect to the footrest support 15 that swings toward the front upper side in this way.
  • the reason why the footrest portion 5 changes the posture significantly in this way is that the posture changing means 32 for changing the posture of the footrest portion 5 is provided in the first stage.
  • the posture changing unit 32 is a unit that acts on the footrest portion 5 to change the posture of the footrest portion 5 from the upward posture to the forward posture when the footrest retracting mechanism 10 is performing the first stage operation.
  • the attitude changing means 32 is provided so as to project outward from the footrest portion 5 in the left-right direction and the guide groove 35 provided on the seat portion 3 side, and the protruding end is fitted into the guide groove 35. It has a guide pin 36 that can be moved along the guide groove 35 in the state of being moved. That is, the posture changing means 32 changes the posture of the footrest portion 5 by fitting the guide pin 36 into the guide groove 35 in the first stage.
  • the above-mentioned guide groove 35 is a groove into which the guide pin 36 of the footrest portion 5 is fitted, and is formed in the guide plate 37 attached to the seat portion support frame 6.
  • the guide plate 37 is disposed on the middle side of the seat support frame 6 in the front-rear direction and on the middle side of the up-down direction.
  • the guide plate 37 is provided with reinforcing ribs on the outer side in the seat width direction (horizontal direction) so as to withstand the load applied from the footrest portion 5.
  • the guide plate 37 is illustrated with the reinforcing ribs omitted. There is.
  • a guide groove 35 for guiding the guide pin 36 of the footrest portion 5 is formed on the inner surface of the guide plate 37 facing inward in the seat width direction (left-right direction). More precisely, the guide grooves 35 are formed on the right inner surface of the left guide plate 37 and the left inner surface of the right guide plate 37, respectively.
  • the guide groove 35 described above is formed so as to be inclined from the rear lower side to the front upper side of the guide plate 37. If the guide groove 35 that is inclined upward toward the front is formed in this manner, the guide pin 36 is moved forward along the guide groove 35, so that the height at which the guide pin 36 is positioned is moved upward from below.
  • the footrest portion 5 can be raised from a sideways posture (accommodation posture) to a standing posture (forward-facing posture).
  • the rear end side of the guide groove 35 is formed to have a wider groove width than the front end side, and a recess for temporarily retaining the guide pin 36 is formed upward in the wide groove portion. It is formed so as to be open. Further, the front end side of the guide groove 35 is formed with a groove width that does not hinder the passage of the guide pin 36 in a direction substantially parallel to the shaft 30 at the storage position. Further, on the front end side of the guide groove 35, an inlet 38 is formed that opens downward and takes the guide pin 36 into the groove. The inlet 38 has an opening width of about 4 to 5 times the outer diameter of the guide pin 36, so that the guide pin 36 can be easily taken into the groove.
  • the intake port 38 is provided with a check member 39 that prevents the guide pin 36 from falling out of the groove from the intake port 38.
  • the check member 39 is a plate-like member formed in an inverted triangle in a side view.
  • the upper side of the check member 39 is formed to have a size capable of closing the intake port 38 described above.
  • a check member rotating shaft 40 having a shaft center in the left-right direction is provided on the lower end side of the check member 39 (a portion corresponding to the lower apex in the inverted triangle).
  • the upper end side of the is rotatable about the axis of the check member rotating shaft 40.
  • the guide pin 36 described above is formed on the upper rear side of the footrest portion 5 in the case of the footrest portion 5 in the forward posture (the state shown in FIGS. 8, 9A, and 9B).
  • the guide pin 36 is a protrusion that protrudes outward from the side surface of the footrest portion 5 in the widthwise direction (left-right direction) of the seat portion 3, and its protruding end is formed in a size that can be fitted into the guide groove 35. ing. That is, the guide pin 36 is movable along the guide groove 35 with the projecting end fitted in the groove.
  • the posture changing means 32 including the guide groove 35 and the guide pin 36 described above, when the guide pin 36 exists in the guide groove 35, that is, when the footrest portion 5 is advanced in the first stage.
  • the guide pin 36 moves upward along the forming direction of the guide groove 35, and the posture of the footrest portion 5 is changed from the upward posture to the forward posture.
  • the footrest portion 5 moves toward the protruding position while maintaining the forward posture. That is, by using the posture changing means 32 described above, it is possible to complete the posture switching of the footrest portion 5 from the upward posture to the forward posture while moving from the storage position to the protruding position.
  • the first step and the second step described above are performed by the following procedure. That is, the above-described first step is a step in which the guide pin 36 is fitted in the guide groove 35 of the guide plate 37 and moves along the groove forming direction, and the attitude of the footrest portion 5 is increased by the attitude changing means 32. This is the stage where the footrest portion 5 is being moved while changing from the forward posture to the forward posture.
  • the first step described above is carried out through each state as shown in FIGS. 2 to 7B.
  • the guide pin 36 of the footrest portion 5 is located behind the guide groove 35 of the guide plate 37. It is located on the end side and fits in the pocket described above.
  • the guide pin 36 is located slightly above the floor surface, and the footrest portion 5 is in a sideways posture such that the side on which the guide pin 36 is provided is lowered downward.
  • this sideways posture is nothing but an upward posture in which the lower limb insertion portion 11 is directed upward.
  • the guide pin 36 is moved to the position furthest upward from the floor surface, the position of the guide pin 36 is the highest, and the footrest portion 5 is in the upright posture (forward posture). Has become. Then, when the footrest portion 5 is rotated to a forward posture, the positioning protrusion 20 of the transmission wheel 18 comes into contact with the footrest rotation restricting portion 21 of the left footrest support 15L, and the footrest portion 5 moves forward more than necessary. Rotation toward the front is restricted.
  • the actuator 31 is extended even a little, the guide pin 36 is disengaged from the guide groove 35, so that the footrest portion 5 is rotatable about the rotation shaft 14.
  • the elastic force of the elastic member 19 acts on the rotating shaft 14 of the footrest portion 5 in the normal direction via the transmission wheel 18. Therefore, due to the action of the elastic member 19, the footrest portion 5 is rotated about the rotation shaft 14, and the lower limb insertion portion 11 faces upward, and the lower limb insertion portion 11 faces forward. The posture changes completely.
  • the elastic force of the elastic member 19 is constantly applied to the transmission wheel 18, so that the footrest portion 5 moves while maintaining the forward facing posture.
  • FIGS. 8, 9A, and 9B the state in which the footrest portion 5 has changed to the forward posture, in other words, the state immediately after the transition from the first stage to the second stage is shown in FIGS. 8, 9A, and 9B.
  • FIG. 8 FIG. 9A, and FIG. 9B in the footrest retracting mechanism 10 of the second stage, the posture change of the footrest portion 5 by the posture changing means 22 has been completed, so that the footrest portion 5 is in the forward facing posture. While keeping the same, the swing arm 16 swings forward, and the footrest 5 advances forward and upward until the height of the footrest 5 becomes substantially equal to the height of the seat surface of the seat 3.
  • the user rotates his/her own footrest portion 5 in the direction in which the footrest portion 5 is in the upward posture, against the biasing force, and when the footrest portion 5 is in the upward posture, the posture holding means is provided.
  • the lever 41 of 22 is pushed down to fix the posture of the footrest portion 5 in the upward posture.
  • the state in which the footrest portion 5 is in the upward posture in this manner is shown in FIGS. 12, 13A, and 13B.
  • the actuator 31 in which the footrest portion 5 is in the upward posture as described above is retracted in the backward direction, and the swing arm 16 is swung rearward. Then, the footrest support body 15 and the footrest portion 5 move rearward, and eventually the guide pin 36 of the footrest portion 5 comes to be positioned at the intake 38 of the guide plate 37.
  • the footrest support 15 and the footrest portion 5 move rearward.
  • the guide pin 36 of the footrest portion 5 enters the groove of the guide groove 35 from the intake 38 of the guide plate 37.
  • the check inlet 38 is provided with a check member 39, but the upper end side of the check member 39 can swing around the axis of the check member rotation shaft 40, so that the check is stopped.
  • the guide pin 36 can enter the groove of the guide groove 35 while swinging so as to push back the member 39. In this way, the footrest retracting mechanism 10 moves the footrest portion 5 from the protruding position to the housing position.
  • the above is the operation (regression operation) of the footrest exit / exit mechanism 10 when the footrest portion 5 is retracted from the protruding position to the accommodation position.
  • the footrest retracting mechanism 10 described above, since the footrest portion 5 is accommodated in the accommodation position in the upward posture with the lower limb insertion portion 11 facing upward, the footrest portion 5 is seated so as not to interfere with sitting or leaving. It can be reliably accommodated in the space below the portion 3.
  • the posture of the footrest portion 5 is automatically switched from the upward posture to the forward posture, so that the lower limb massage is performed without bothering the user's hand. It becomes possible. Therefore, in the chair-type massage machine 1 having the footrest retracting mechanism 10 described above, it is possible to enjoy the advantages that the installation space can be reduced and the convenience is excellent.
PCT/JP2020/000467 2019-03-01 2020-01-09 椅子型マッサージ機 WO2020179213A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SG11202010331RA SG11202010331RA (en) 2019-03-01 2020-01-09 Massaging apparatus in chair form
CN202080002201.9A CN111971015B (zh) 2019-03-01 2020-01-09 椅型按摩机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-037744 2019-03-01
JP2019037744A JP7133221B2 (ja) 2019-03-01 2019-03-01 椅子型マッサージ機

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WO2020179213A1 true WO2020179213A1 (ja) 2020-09-10

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PCT/JP2020/000467 WO2020179213A1 (ja) 2019-03-01 2020-01-09 椅子型マッサージ機

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JP (1) JP7133221B2 (zh)
CN (1) CN111971015B (zh)
SG (1) SG11202010331RA (zh)
TW (1) TWI821510B (zh)
WO (1) WO2020179213A1 (zh)

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JP2018134182A (ja) * 2017-02-21 2018-08-30 大東電機工業株式会社 椅子型マッサージ機

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JP2009050657A (ja) * 2007-08-29 2009-03-12 Daito Denki Kogyo Kk 足揉み装置を収納可能なマッサージ椅子
WO2009040962A1 (ja) * 2007-09-28 2009-04-02 Daito Electric Machine Industry Company Limited 足揉み装置を備えたマッサージ椅子
JP2010131249A (ja) * 2008-12-05 2010-06-17 M Tec Co Ltd 足揉み装置を備えたマッサージ椅子
JP2013085558A (ja) * 2011-10-13 2013-05-13 Johnson Health Care Kk マッサージ機
JP2018134182A (ja) * 2017-02-21 2018-08-30 大東電機工業株式会社 椅子型マッサージ機

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CN111971015A (zh) 2020-11-20
CN111971015B (zh) 2023-01-17
JP7133221B2 (ja) 2022-09-08
TW202038818A (zh) 2020-11-01
JP2020137943A (ja) 2020-09-03
SG11202010331RA (en) 2020-11-27
TWI821510B (zh) 2023-11-11

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