WO2019107750A1 - 안마의자 - Google Patents

안마의자 Download PDF

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Publication number
WO2019107750A1
WO2019107750A1 PCT/KR2018/012783 KR2018012783W WO2019107750A1 WO 2019107750 A1 WO2019107750 A1 WO 2019107750A1 KR 2018012783 W KR2018012783 W KR 2018012783W WO 2019107750 A1 WO2019107750 A1 WO 2019107750A1
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WO
WIPO (PCT)
Prior art keywords
massage
leg
unit
calf
slide frame
Prior art date
Application number
PCT/KR2018/012783
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
강웅철
김한일
Original Assignee
주식회사 바디프랜드
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 주식회사 바디프랜드 filed Critical 주식회사 바디프랜드
Priority to CN201890001380.2U priority Critical patent/CN213666630U/zh
Publication of WO2019107750A1 publication Critical patent/WO2019107750A1/ko

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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
    • A61H15/0078—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains power-driven
    • 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
    • A61H39/00—Devices for locating or stimulating specific reflex points of the body for physical therapy, e.g. acupuncture
    • A61H39/04—Devices for pressing such points, e.g. Shiatsu or Acupressure
    • 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
    • A61H9/00—Pneumatic or hydraulic massage
    • 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
    • A61H9/00—Pneumatic or hydraulic massage
    • A61H9/005—Pneumatic massage
    • A61H9/0078—Pneumatic massage with intermittent or alternately inflated bladders or cuffs
    • 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
    • A61H2015/0007—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains with balls or rollers rotating about their own axis
    • A61H2015/0014—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains with balls or rollers rotating about their own axis cylinder-like, i.e. rollers
    • 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
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0119—Support for the device
    • A61H2201/0138—Support for the device incorporated in furniture
    • A61H2201/0149—Seat or chair
    • 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
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0192—Specific means for adjusting dimensions
    • A61H2201/0196—Specific means for adjusting dimensions automatically adjusted according to anthropometric data of the user

Definitions

  • the present invention relates to a massage chair, and more particularly, to a massage chair in which a leg massage unit is moved in a forward and backward direction of a seat according to a leg length of a user receiving a massage to adjust the position.
  • a massage chair is a device configured to receive a massage for the entire body while the user is sitting comfortably.
  • a typical massage chair includes a seat portion for supporting a hip portion and a thigh portion of a user, a back portion for supporting a back portion, And a leg massage part for mounting the legs.
  • a shiatsu pressure module for massage along with the user's spine, hip, thigh, calf, and arm and / And an air cell (air bag) for massaging the user's body by repeatedly inflating and deflating by infusion and discharge of air.
  • Such a massage chair is configured such that a backrest, a seat portion, and a leg massage portion can be relatively rotated by a power transmission device or a pneumatic device so that a user can receive a massage in a comfortable posture during massage, There is a problem that the user can not properly cope with the height of the user.
  • the calf portion of the user is completely housed inside the groove of the leg massage portion, and massage can be completely performed from the foot to the knee.
  • the knee part of the user is not completely in contact with the upper part of the leg massage part, so that the knee part and the lower part of the thigh can not receive massage.
  • a user's calf and a support portion (leg massage portion) to which a user's foot is inserted and supported is supported on a support portion (seat portion) in which a user's hips and thighs are seated and supported, And the position of the leg massage part can be adjusted according to the height of the user.
  • the conventional massage chair capable of adjusting the position of the leg massage part can not automatically recognize the leg length of the user. Since the position of the leg massage part can be adjusted only to the two positions of the contracted state and the extended state, There is a problem that can not be satisfied.
  • a massage chair capable of automatically adjusting the position of the leg massage part by automatically recognizing the leg length inserted into the leg massage part.
  • the following massage chair is provided.
  • the massage chair comprises: a seat portion in which the buttocks and thighs of the user are seated and supported; A slide frame installed to be slidable in the front-rear direction with respect to the seat portion; A leg massage part which is installed at a front end of the slide frame and is accommodated while the user's foot and calf part are accommodated; A calf massage unit that massages the calf portion accommodated in the leg massage portion; A sensing unit for sensing a leg length of a user in cooperation with a calf massage unit; And a slide unit for moving the slide frame in the forward and backward directions according to the leg length of the user sensed by the sensing unit.
  • the calf massage unit comprises: an elevating member installed to move up and down in a leg massage part; An elevation drive module for moving the elevation member vertically; And a pressure-applying module including a mounting bracket mounted on the elevating member movably in the front-rear direction, a pressure-applying member provided on a front portion of the mounting bracket for pressing the calf, and a pressure- ; ≪ / RTI >
  • the sensing unit may include a light sensor installed on the lifting member and sensing movement of the pressure member, the mount bracket, and a sensor dog installed on the mount bracket.
  • the sensing unit may include a contact switch which is provided between the elevating member and the mount bracket and contacts the pushing member provided directly on the mount bracket or protruded from the mount bracket as the mount bracket moves backward.
  • the sensing unit may include a pressure sensor disposed between the elevating member and the mount bracket and contacting the mount bracket with the mount bracket as the mount bracket moves rearward or contacting the pushing member protruding from the mount bracket to sense the pressure.
  • the calf massage unit may include an air cell which is provided at the front portion of the leg massage portion and which inflates and contracts by the air to shave the calf portion.
  • the sensing unit may include a contact switch disposed between the front face of the leg massage part and the air cell and being pressed by the pressure applied by the air cell.
  • the sensing unit may include a pressure sensor arranged in the vertical direction between the front face of the leg massage unit and the air cell and being pressed by the pressure applied by the air cell.
  • the massage chair may further include an auxiliary air cell installed on a front upper surface of the slicer frame for supporting the back of the knee while expanding and contracting by air.
  • the slide frame includes a main slide frame installed to be slidable in the back and forth direction on the seat portion; An angle adjusting frame installed at a front end portion of the main slide frame so as to be rotatable up and down with respect to the main slide frame and having an upper end portion connected to a front end portion of the leg massage portion; And when the angle of the back portion supporting the back portion of the user is equal to or larger than a predetermined angle with respect to the ground surface, the angle adjusting frame is raised with respect to the main slide frame. When the angle of the back portion is less than a predetermined angle with respect to the ground surface And a leg posture adjusting unit for lowering the angle adjusting frame with respect to the main slide frame.
  • the leg posture adjusting unit may include a motor provided in the main slide frame, a rotating cam rotated by the motor, and an angle adjusting bar having one end rotatably connected to the rotating cam and the other end connected to the angle adjusting frame have.
  • the slide unit includes a cylinder portion having one end connected to the seat portion and a sliding actuator having a piston portion extended and contracted by pneumatic or hydraulic pressure applied to the cylinder portion and one end connected to the slide frame, A second slide frame which is provided at a front end portion of the first slide frame so as to be movable in forward and backward directions and is connected to the front end portion so that the leg massage unit is rotatably connected to the first slide frame, And a compression spring installed between the slide frames to apply an elastic force forward to the second slide frame.
  • the sensing unit formed on the leg massage unit detects the length of the user's leg by interlocking with the calf massage unit, and automatically adjusts the position of the leg massage unit by advancing or retracting the slide frame. Can be completely brought into close contact with the leg massage part to massage the entire leg.
  • FIG. 1 is a perspective view showing a massage chair according to an embodiment of the present invention.
  • Fig. 2 is a side view showing a state in which the leg massage position of the massage chair is not adjusted.
  • Fig. 3 is a plan view showing a state in which the leg massage position of the massage chair is not adjusted.
  • FIG. 4 is a side view showing a state in which a leg massage position of a massage chair is adjusted.
  • FIG. 5 is a plan view showing a state in which a leg massage position of a massage chair is adjusted.
  • Fig. 6 is a plan view similar to Fig. 3 showing another embodiment of a massage chair.
  • Fig. 7 is a side view showing another embodiment of the calf pressure unit constituted in the leg massage part of the massage chair.
  • FIG. 8 is a front view of the leg massage unit showing the calf pressure unit shown in Fig.
  • Fig. 9 is a side view showing another embodiment of the calf pressure unit constructed in the leg massage part of the massage chair.
  • FIG. 10 is a side view showing an embodiment of a sensing unit constituted by the calf pressure unit shown in Fig.
  • FIG. 11 is a side view showing another embodiment of the sensing unit constituted by the calf pressure unit shown in Fig.
  • FIG. 12 is a side view showing still another embodiment of the sensing unit constituted by the calf pressure unit shown in Fig.
  • FIG. 13 is a side view showing another embodiment of the calf pressure unit and the sensing unit constructed in the leg massage part of the massage chair.
  • FIG. 14 is a block diagram showing a configuration for controlling a massage chair.
  • 15 is a plan view showing another embodiment of the configuration for adjusting the position of the leg massage part of the massage chair.
  • 16 is a side view showing a state in which the position of the leg massage part is adjusted in a state in which the angle of the seat part of the massage chair is not adjusted, according to another embodiment of the present invention for adjusting the position of the leg massage part of the massage chair.
  • FIG. 17 is a side view showing a state in which the position of the leg massage part is adjusted while the angle of the seat part of the massage chair shown in FIG. 16 is adjusted.
  • Figs. 18A to 18C are views showing a configuration and an operation example for adjusting the leg massage position of the massage chair shown in Figs. 16 and 17.
  • Fig. 18A to 18C are views showing a configuration and an operation example for adjusting the leg massage position of the massage chair shown in Figs. 16 and 17.
  • FIG. 1 is a perspective view of a massage chair according to an embodiment of the present invention
  • FIGS. 2 to 5 are views showing an internal configuration and a length adjusting operation of a massage chair
  • FIG. 6 is a view showing another embodiment of a massage chair.
  • 7 and 8 are views showing an embodiment of the calf pressure unit constituted in the leg massage unit of the massage chair
  • Fig. 9 is a view showing another embodiment of the calf pressure unit constructed in the leg massage unit of the massage chair.
  • the massage chair includes a base portion 1 placed on the floor, a seat portion 10 disposed on the upper side of the base portion 1 and supported by the user's hips, A backrest 20 extending upward and downward at the rear end of the seat 10 to support the back of the user and a backrest 20 extending vertically at both sides of the seat 10 to support the user's arm And includes a leg massage part 40 provided below the front end of the seat part 11.
  • the base portion 1 is placed on a floor surface to support the entire massage chair and includes a base frame 1a made of a metal.
  • the seat portion 10 has a seat frame 11 which is generally horizontal with respect to the ground surface or inclined at an angle with respect to the ground surface.
  • the seat frame 11 is installed at the upper end of the support frame 12 extending in the vertical direction on each of the front portion and the rear portion of the base portion 1 to support the user's hips and thighs.
  • the backrest 20 is vertically extended at the rear end of the seat 10 so that the backrest 20 and the seat 10 are substantially L-shaped.
  • the backrest 20 is integrally formed with the seat 10 so that the backrest 20 and the seat 10 together rotate about the first hinge shaft 22 provided on the support frame 12, do.
  • the backrest 20 includes a backrest frame 21 which is integrally connected to the seat frame 11.
  • the backrest frame 21 and the seat frame 11 rotate about the first hinge axis 22 with respect to the support frame 12 by the reclining actuator 25 in a range of a certain angle.
  • the backrest portion 20 and the seat portion 10 may not be formed integrally but may be formed separately.
  • the backrest frame 21 and the seat frame 11 may be separated from each other and may be connected to and rotatable with each other through a hinge connection so that the angle between the backrest 20 and the seat 10 may be adjusted.
  • the backrest 20 and the seat 10 may have a substantially L shape or an I shape as the angle of the backrest frame 21 or the seat frame 11 is adjusted.
  • the reclining actuator 25 is rotatably engaged with the base frame 1a and the other end of the reclining actuator 25 is rotatably connected to the front end of the seat frame 11.
  • the reclining actuator 25 may be constructed by applying a pneumatic cylinder or a hydraulic cylinder.
  • the slide frame (50) is slidably installed in the seat frame (11) of the seat portion (10) in the front and rear direction.
  • the upper end of the leg support frame 41 constituting the leg massage unit 40 is rotatably provided in the front end portion of the slide frame 50 via the second hinge shaft 43 in the vertical direction.
  • guide rails 51 are installed so that the slide frame 50 can smoothly move in the front-rear direction.
  • the seat portion 10, the backrest portion 20 and the armrest portion 30 accommodate and hide the frame structure such as the seat frame 11 and the backrest frame 21, the massage device, the drive mechanism, And a housing (H) for supporting the body of the user comfortably.
  • the housing (H) may be made of a resin material such as plastic or a metal material such as aluminum, and a cushion material or a fabric material may be provided on the outer surface thereof to comfortably support the user's body.
  • the slide frame 50 slides in the front-rear direction with respect to the seat frame 11 by a slide unit installed in the seat frame 11, thereby adjusting the position.
  • the slide unit includes a sliding motor 61 installed at a lower portion of the seat frame 11, a ball screw 62 which receives power from the sliding motor 61 and a ball screw 62 which rotates as the ball screw 62 rotates 62 extending in the axial direction.
  • the nut portion (63) is engaged with the slide frame (50).
  • the ball screw 62 rotates so that the nut 63 and the slide frame 50 coupled thereto are moved relative to the seat frame 11
  • the front and rear direction positions of the leg massage unit 40 coupled to the front end of the slide frame 50 are adjusted.
  • the auxiliary air cell 55 may be provided on the front upper surface of the slide frame 50 to pressurize the rear portion of the knee while expanding and contracting by the air supplied from the air supply and exhaust unit 91.
  • the auxiliary air cell 55 may be divided into a plurality of subassemblies as shown in FIGS. 3 and 5, but may be formed as a single unit as shown in FIG.
  • the auxiliary air cell 55 is mounted on the air cell supporting plate 52 formed in a flat plate shape on the front portion of the slide frame 50 and supported.
  • the slide frame 50 may be entirely formed in a flat plate shape and the auxiliary air cell 55 may be provided on the plate-shaped slide frame 50 to support the lower portion of the auxiliary air cell 55.
  • the auxiliary air cell 55 helps to relieve digestion or hangover by shaking the blood of the upper gastrointestinal area located at the back of the knee, and also has the effect of eliminating the lower extremity edema.
  • the leg massage unit 40 is installed to cover the leg support frame 41 and the leg support frame 41 rotatably connected to the front end of the slide frame 50 via the second hinge shaft 43, A housing member 42 having two receiving grooves 44 in which both legs and calf portions are inserted, a calf massage unit for shaving and massaging the calf portion accommodated in the receiving groove 44 of the housing member 42, And a sensing unit 80 electrically connected to the controller 90 of the massage chair and sensing the leg length of the user in cooperation with the calf massage unit.
  • the leg support frame 41 constitutes a skeleton of the leg massage unit.
  • the leg support frame 41 has a lower end portion horizontally bent so as to allow the user to comfortably put his or her feet, and has a generally L shape, and the second hinge shaft 43 at a predetermined angle.
  • the pivoting unit may include a pivot actuator (70) having one end rotatably connected to the slide frame (50) and the other end rotatably connected to the leg support frame (41).
  • the rotary actuator 70 may be constructed by applying a pneumatic cylinder or a hydraulic cylinder.
  • the calf massage unit includes an elevating member 451 installed to move up and down on a mounting plate 46 fixed to the leg support frame 41 of the leg massage unit 40, And an acupressure module installed on the elevating member 451 to massage and calm the user's calf.
  • the lifting and lowering driving module includes a lifting motor 455 mounted on the lifting member 451, a driving gear 453 rotated by receiving power from the lifting and lowering motor 455, Two drive shafts 457 connected to both ends of the drive shaft 456 and the drive gear 456 and two pinion gears 458 coupled to both ends of each drive shaft 457 to rotate, (459) extending up and down on both sides and engaging with respective pinion gears (458). Accordingly, when the power of the elevating motor 455 is transmitted to the driving unit 456, the two driving shafts 457 are simultaneously rotated, and the pinion gear 458 connected to the driving shafts 457 is rotated, As shown in FIG.
  • the chiropractor module includes a mount bracket 452 mounted on the elevating member 451 so as to be movable in forward and backward directions, a roller-like pressure member 452 which is rotatably installed on the front portion of the mount bracket 452, rolls along the calf, (453) for urging the mount bracket (452) against the lifting member (451), and a finger pressure elastic member (454) for urging the mount bracket (452) forward against the elevation member (451).
  • the finger pressure elastic member 454 may apply an elastic force to the mount bracket 452 as in this embodiment but may be connected to the shaft of the pressure member 453 provided on the mount bracket 452 and the elevation member 451, It is also possible to apply an elastic force to the shaft of the shaft 453.
  • the finger pressure elastic member 454 may provide an elastic force directly to the mount bracket 452 or may provide an elastic force through the axis of the pressure-sensitive member 453 depending on the mounting position.
  • the mount bracket 452 can be moved forward and backward in the front portion of the elevating member 451 together with the pressure-sensitive member 453 by receiving the elastic force from the pressure-sensitive elastic member 454.
  • the acupressure module includes a mount bracket 452 mounted on the elevating member 451 so as to be movable in the forward and backward directions, a rotatable forward portion of the mount bracket 452, A pressure-applying elastic member 454 for applying a forward elastic force to the mount bracket 452 with respect to the elevating member 451, a pair of elastic members 454 for pressing both sides of the mount bracket 452, And a guide bracket 451a fixed to the elevating member 451 and having a long shaft-shaped guide slit 451b in which a shaft 453a of the pressure-applying member 453 is movably inserted, have.
  • the shaft 453a is guided by the shaft guide slit 451b when the pressure applying member 453 is pressed by the calf portion or is moved by the elastic force of the pressure applying elastic member 454 to move the mount bracket 452 and the pressure applying member 452 453 can be smoothly moved without being bent sideways or up and down.
  • the pressure-applying member 453 provided on the elevation member 451 is brought into close contact with the calf portion of the user, She rolls while she rolls. Therefore, since the pressure applying member 453 is pressed backward while the pressure applying member 453 is in close contact with the calf, the mounting bracket 452 provided with the pressure applying member 453 is moved rearward with respect to the elevating member 451 And when the pressure applying member 453 is separated from the calf, the mount bracket 452 is returned to the front due to the elastic force of the finger pressure elastic member 454 to maintain the initial state.
  • the slide frame 50 is moved forward or backward by the slide unit according to whether the user's leg is sensed by the sensing unit 80 constituting the elevation member 451 of the leg massage unit 40, .
  • the sensing unit 80 can be configured using various sensors. 10 to 12 illustrate embodiments of a sensing unit 80 interlocking with a calf massage unit including a pressure-sensitive module having a pressure-sensitive member 453 in the form of a roller as described above.
  • FIG. 10 shows a sensing unit 80 including a light emitting element 81 and a light receiving element 82 provided opposite to each other and to which an optical sensor for sensing the pressure applying member 453 is applied.
  • the pressure member 453 closes the light path of the light emitting element 81 and the light receiving element 82 when the pressure applying member 453 is pushed rearward while being pressed against the calf portion so that the pressure applying member 453 is in contact with the calf State.
  • the light sensor does not sense the pressure-sensitive member 453 when the pressure-sensitive member 453 reaches the upper side of the leg massage unit 40 in the process of moving the pressure-sensitive member 453 up and down, And recognizes that the entire leg of the user has not completely adhered to the inside of the receiving groove 44 of the leg massage portion 40 and moves the slide frame 50 forward so that the whole of the calf is caught by the leg massage portion 40 in the receiving groove 44.
  • the sensing unit 80 is constituted by a light emitting element 81 and a light receiving element 82 provided opposite to each other on the elevating member 451, There is a difference in that the optical sensor detects the sensor dog 83 on the rear surface of the mount bracket 452 on which the pressure member 453 is mounted without sensing the pressure member 453 itself.
  • the optical sensor can sense the sensor dog 83 mounted on the mount bracket 452, but can alternatively be configured to directly sense the movement of the mount bracket 452 without installing the sensor dog 83 It might be.
  • the sensing unit 80 shown in Fig. 12 is provided between the elevating member 451 and the mount bracket 452 and is provided with a contact switch or a pressure sensor which is in contact with the mount bracket 452 as the mount bracket 452 moves backward.
  • the mount bracket 452 may be in direct contact with the touch switch or the pressure sensor which is the sensing unit 80 and may be provided with a pressing member 85 for facilitating contact with the sensing unit 80 on the rear surface of the mount bracket 452, So that the sensing unit 80 can be pressed through the pressing member 85.
  • FIG. 13 is a view showing a calf massage unit constituted in the leg massage unit 40 provided at the front part of the leg massage unit 40 and being expanded and contracted by the air supplied from the air supply and exhaust unit 91, And a sensing unit (47).
  • the sensing unit 80 is provided with a contact switch or air cell 47 for sensing contact with the rear face of the air cell 47 when the air cell 47 is inflated and pressed backward And a pressure sensor for sensing the applied pressure.
  • the sensing unit 80 can be disposed on the upper part of the leg massage unit 40 so as to accurately sense the close contact state of the upper part of the calf.
  • the air cell 47 is inflated in a state in which the calf portion of the user is completely in contact with the inside of the receiving groove 44 of the leg massage unit 40, the air cell 47 is moved to the sensing unit 80 by the pressure of the air cell 47 So that the controller 90 of the massage chair is perceived to be completely in contact with the leg massage unit 40 up to the upper end of the calf.
  • the calf massage unit constituted in the massage unit 40 operates for a predetermined number of times and the sensing unit 80 senses whether the calf is completely in contact with the inside of the receiving groove 44 of the leg massage unit 40.
  • the upper end portion of the calf portion is not completely in contact with the inside of the receiving groove 44 of the leg massage portion 40 and is spaced by a certain distance so that the pressure applying member 453 of the calf massage unit or the air cell 47, The pressure is not received from the upper side of the leg massage unit 40 to the rear side, so that the sensing unit 80 can not detect the pressure.
  • the controller 90 controls the sliding motor 61
  • the slide frame 50 slides forward and moves with respect to the seat frame 11 by applying power. Accordingly, since the leg massage unit 40 is moved forward, the user's calf can be fully inserted into the receiving groove 44 of the leg massage unit 40 while being fully inserted.
  • the controller 90 applies a control signal to the elevating motor 455 of the calf massage unit to move the calf massage unit up and down, or supplies air to the air cell 47 through the air supply and exhaust unit 91 And performing the discharging operation continuously and repeatedly to massage the calf portion.
  • the controller 90 can continuously and repeatedly perform the operation of supplying air to and discharging air to the auxiliary air cell 55 through the air supply / discharge unit 91, thereby stimulating gastric blood in the rear part of the knee.
  • Fig. 15 shows another embodiment of the slide unit for moving the slide frame 50 constituting the massage chair forward and backward.
  • the slide unit includes a cylinder portion 65a having one end connected to the seat frame 11, a cylinder portion 65a extending and contracting by pneumatic or hydraulic pressure applied to the cylinder portion 65a, And a piston 65b connected to the piston 65b.
  • the slide frame 50 includes a first slide frame 501 slidably mounted on the seat frame 11, a first slide frame 501 And a second slide frame 502 provided between the first slide frame 501 and the second slide frame 502 so as to be movable in the forward direction to the second slide frame 502 And a compression spring 503 for applying an elastic force.
  • FIG. 16 and 17 show another embodiment of the massage chair.
  • Fig. 16 shows a state in which the leg massage unit 40 is moved forward while the seat 10 of the massage chair is substantially horizontal.
  • Fig. 10 is rotated at a predetermined angle and the leg massage unit 40 has moved forward.
  • the slide frame 50 includes a main slide frame 505 which is installed on the seat frame 11 of the seat portion 10 so as to slide in the front-rear direction, a main slide frame 505 which is provided on the front portion of the main slide frame 505, An angle adjusting frame 506 which is vertically rotatable with respect to the frame 505 and in which the upper end of the leg massage unit 40 is connected to the front end portion, And a leg posture adjusting unit for adjusting the angle of the angle adjusting frame 506 with respect to the main slide frame 505. [
  • the leg posture adjusting unit raises the angle adjusting frame 506 with respect to the main slide frame 505 when the angle of the backrest 20 is greater than or equal to a predetermined angle with respect to the ground and the angle of the backrest 20 When the angle is less than a predetermined angle with respect to the ground, the angle adjusting frame 506 is lowered with respect to the main slide frame 505.
  • the leg posture adjusting unit includes a motor 509 mounted on the main slide frame 505, a rotation cam 508 rotated by the motor 509, and one end rotatable on the rotation cam 508 And an angle adjusting bar 507 connected to the angle adjusting frame 506 at the other end.
  • the backrest 20 is rotated downward by the operation of the reclining actuator 25 (see Fig. 4) as shown in Fig. 17 so that the main slide frame 505 advances while the backrest 20 is lying down
  • the front end portion of the angle adjusting bar 507 rotates downward when the motor 509 rotates and the rotation cam 508 rotates upward (clockwise in the drawing) as shown in Fig. 18C.

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  • Health & Medical Sciences (AREA)
  • Rehabilitation Therapy (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Massaging Devices (AREA)
PCT/KR2018/012783 2017-11-28 2018-10-26 안마의자 WO2019107750A1 (ko)

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