Chair type massage machine

Abstract

The present invention provides a chair-type massage machine (1) which enables different treatment parts to receive different massage actions simultaneously by operating two massage mechanisms, further improves the body feeling of massage, and can obtain a better relaxing effect. A chair-type massage machine according to the present invention is provided with: a seat part (2); a backrest part (3); a back massage mechanism (5) having a pair of left and right back arm members (10) provided with first treatment elements (17) at the tips thereof; and a seat massage mechanism (4) having a pair of left and right seat arm members (27) provided with second treatment elements (35, 36) at the tips thereof, the back massage mechanism performing a first swing motion that causes a pair of left and right first treatment elements provided on the back arm members to approach or separate from each other in the left and right directions, and performing a second swing motion that causes a pair of left and right second treatment elements provided on the back arm members to move away from each other in the left and right directions. The seat massage mechanism performs a second swing motion in which a pair of left and right second treatment elements provided on the seat arm member are swung and tilted in the same left and right directions.

Description

Technical Field

[0001] The present invention relates to a chair-type massage machine that applies different massage actions to two treatment parts respectively. Background Art

[0002] Conventionally, chair-type massage machines disclosed in Patent Documents 1, 2, etc. are known. The chair-type massage machine has a seat massage mechanism that applies a massage action to treatment parts such as the buttocks and legs of a user sitting on the seat, and a back massage mechanism that applies a massage action to treatment parts such as the back of a user leaning on the backrest.

[0003] Prior Art Documents

[0004] Patent Documents

[0005] Patent Document 1: Japanese Patent Laid-Open Gazette "Patent No. 7121998 Gazette"

[0006] Patent Document 2: Japanese Patent Laid-Open Gazette "Japanese Patent Laid-Open No. 2019-208951 Gazette" Summary of the Invention

[0007] Problems to be Solved by the Invention

[0008] The seat massage mechanism of the chair-type massage machines of Patent Documents 1 and 2 can move in the front-rear direction inside the seat, apply a massage action to treatment parts such as the buttocks and legs of a user sitting on the seat, and the back massage mechanism can move in the up-down direction inside the backrest, and can apply a massage action to the back of a user leaning on the backrest from the shoulders to the waist.

[0009] However, in recent years, user requirements have become higher. For example, there is an increasing expectation of kneading massage of the back from the shoulders to the waist by the back massage mechanism, and kneading massage while pressing the treatment parts such as the buttocks and legs by the seat massage mechanism, etc., so that different treatment parts can receive different massage actions simultaneously, and the relaxation effect can be further improved.

[0010] Therefore, in view of the above problems, an object of the present invention is to provide a chair-type massage machine that can make different treatment parts receive different massage actions simultaneously by operating two massage mechanisms, can further improve the physical sensation of massage, and can obtain a better relaxation effect.

[0011] Means for Solving the Problems

[0012] In order to achieve the above object, the following technical solutions are adopted in the present invention.

[0013] A chair-type massage machine according to one aspect of the present invention includes: a seat portion; a backrest portion; a back massage mechanism having a pair of left and right back arm members each provided with a first treatment member at its top end and applying a massage action to the back of a user; and a seat portion massage mechanism having a pair of left and right seat arm members each provided with a second treatment member at its top end and applying a massage action to the buttocks or legs of the user, characterized in that the back massage mechanism is configured to perform a first swinging motion in which the pair of left and right first treatment members provided on the back arm members approach or move away from each other in the left-right direction, and the seat portion massage mechanism is configured to perform a second swinging motion in which the pair of left and right second treatment members provided on the seat arm members swing in the same left-right direction and tilt.

[0014] The seat portion massage mechanism may include: a rotary shaft for transmitting a rotational driving force from a drive motor; a disk-shaped rotary boss portion mounted on the rotary shaft; an annular and inclined cam surface formed on the periphery of the rotary boss portion; and an annular fitting portion provided at the base end of the seat arm member and slidably externally fitted to the cam surface. The rotary boss portions may be provided in a pair of left and right at a predetermined interval along the rotary shaft, and the inclination directions of the cam surfaces of the pair of left and right arranged rotary boss portions may be set to the same inclination direction.

[0015] By rotating the rotary boss portions with the inclination directions of the cam surfaces set to the same direction, a second swinging motion in which the second treatment members swing in the same left-right direction and tilt can be exhibited.

[0016] The swinging distance of the first treatment member of the back massage mechanism and the swinging distance of the second treatment member of the seat portion massage mechanism may be set to be the same or different.

[0017] The distance when the pair of left and right first treatment members of the back massage mechanism are closest to each other and the distance between the pair of left and right second treatment members of the seat portion massage mechanism may be set to be the same or different.

[0018] The distance when the pair of left and right first treatment members of the back massage mechanism are farthest from each other and the distance between the pair of left and right second treatment members of the seat portion massage mechanism may be set to be the same or different.

[0019] The swinging speed of the first treatment member of the back massage mechanism and the swinging speed of the second treatment member of the seat portion massage mechanism may be set to the same speed or different speeds.

[0020] The back massage mechanism and / or the seat portion massage mechanism may be configured to freely switch between the first swinging motion and the second swinging motion.

[0021] Advantages of the Invention

[0022] According to the chair-type massage machine of the present invention, by operating two massage mechanisms, different treatment parts can simultaneously receive different massage actions, thereby further improving the physical sensation of the massage and achieving a better relaxation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 FIG. schematically shows an overview of the chair-type massage machine of the present invention.

[0024] Figure 2 FIG. schematically shows the structure of the back massage mechanism of the present embodiment.

[0025] Figure 3 FIG. schematically shows the structure of the seat massage mechanism of the present embodiment.

[0026] Figure 4A FIG. shows a series of actions of the back massage mechanism and the seat massage mechanism, and is an example of a swinging motion schematically showing the swinging motion of the seat arm member in the same left and right directions and the approaching or separating motion of the back arm member.

[0027] Figure 4B FIG. shows a series of actions of the back massage mechanism and the seat massage mechanism, and is an example of a swinging motion schematically showing the swinging motion of the seat arm member in the same left and right directions and the approaching and separating motion of the back arm member. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] Hereinafter, an embodiment of the chair-type massage machine of the present invention will be described with reference to the drawings.

[0029] It should be noted that the embodiments described below are examples of embodying the present invention, and do not limit the structure of the present invention by their specific examples. In addition, regarding the drawings, some constituent members are omitted for easy viewing. In addition, the up-down, front-back, left-right, etc. directions of the chair-type massage machine 1 are as Figure 1 shown. The up-down and left-right directions of the back massage mechanism 5 are as Figure 1 , Figure 2 shown. The front-back and left-right directions of the seat massage mechanism 4 are as Figure 1 , Figure 3 shown. In the following description, the directions shown in the drawings will be used as the directions for describing the chair-type massage machine 1 of the present invention.

[0030] Figure 1 FIG. schematically shows an overview of the chair-type massage machine 1 of the present invention. Figure 2 FIG. schematically shows the structure of the back massage mechanism 5 of the present embodiment. Figure 3 FIG. schematically shows the structure of the seat massage mechanism 4 of the present embodiment.

[0031] As Figure 1 shown, the chair-type massage machine 1 of the present embodiment has: a seat portion 2 that is wide enough for a user to sit on; and a backrest portion 3 that is provided on the rear side of the seat portion 2 and on which the user can lean.

[0032] The seat portion 2 has a leg body 6 formed by combining square rod-shaped members, and is supported from below by the leg body 6 at a predetermined height. The entire seat portion 2 is covered with a housing, a seat cover, etc. In addition, a cushioning member is provided on the upper surface of the seat portion 2. It should be noted that armrest portions are provided on the left and right sides of the seat portion 2, although not shown.

[0033] A seat portion massage mechanism 4 is provided inside the seat portion 2 of the present embodiment, and the seat portion massage mechanism 4 performs massage actions such as kneading, tapping, and pinching on the lower limbs (second treatment portion) of the user from the buttocks to the legs (inner thighs).

[0034] As Figure 3 shown, the seat portion massage mechanism 4 of the present embodiment has: a second rotating shaft 26 that transmits the rotational driving force from the drive motor 30; a cylindrical second rotating boss portion 37 that is mounted on the second rotating shaft 26; an annular and inclined cam surface 38 that is formed on the periphery of the second rotating boss portion 37; and a second annular fitting portion 39 that is provided at the base end of the seat portion arm member 27 and is slidably externally fitted to the inclined cam surface 38.

[0035] The second rotating boss portions 37 are provided in a pair on the left and right at a predetermined interval along the second rotating shaft 26. The inclination directions of the inclined cam surfaces 38R and 38L of the pair of second rotating boss portions 37R and 37L arranged on the left and right are set to be inclined in the same direction. That is, if the right seat portion arm member 27R inclines to the right direction, the left seat portion arm member 27L also inclines to the right direction. Similarly, if the right seat portion arm member 27R inclines to the left direction, the left seat portion arm member 27L also inclines to the left direction. It should be noted that the device structure of the seat portion massage mechanism 4 will be described in detail later.

[0036] The backrest portion 3 is a member provided at the rear of the seat portion 2 and is formed in a flat plate shape with a thickness so that the user can lean on it. The backrest portion 3 has a support frame 7 formed by combining square rod-shaped members. The support frame 7 is supported so as to be swingable freely in the front-rear direction at the rear of the seat portion 2.

[0037] The entire backrest portion 3 is covered with a housing, a seat cover, etc. In addition, a cushioning member is provided on the front surface of the backrest portion 3. The backrest portion 3 can be inclined relative to the seat portion 2 by a posture changing mechanism (not shown) disposed in the seat portion 2.

[0038] Inside the backrest 3 of the present embodiment, a back massage mechanism 5 is provided, and the back massage mechanism 5 performs massage actions such as kneading, tapping, and pinching on the back (the first treatment part) of the user leaning on the backrest 3 from the shoulders to the waist.

[0039] In addition, the front side of the backrest 3 is open forward, and the back arm member 10 constituting the back massage mechanism 5 is provided to protrude forward from the front side of the opening.

[0040] As Figure 2 shown, the back massage mechanism 5 of the present embodiment has: a first rotating shaft 9 that transmits the rotational driving force from the drive motor 13; a disk-shaped first rotating boss portion 18 that is mounted on the first rotating shaft 9; an annular and inclined cam surface 19 that is formed on the periphery of the first rotating boss portion 18; and a first annular fitting portion 20 that is provided at the base end of the back arm member 10 and is externally fitted to the inclined cam surface 19 so as to be slidable freely.

[0041] The first rotating boss portions 18 are provided in a left-right pair at a prescribed interval along the first rotating shaft 9. The inclination directions of the inclined cam surfaces 19R and 19L of the left and right first rotating boss portions 18R and 18L are set to be opposite to each other. That is to say, if the right back arm member 10R inclines to the right direction, the left back arm member 27L inclines to the left direction. It should be noted that the device structure of the back massage mechanism 5 will be described in detail later.

[0042] Next, the chair-type massage machine 1 of the present embodiment has a function of appropriately linking the seat massage mechanism 4 and the back massage mechanism 5 simultaneously when applying massage actions to the user. In the present embodiment, through the coordinated actions of the seat massage mechanism 4 and the back massage mechanism 5, the user can receive massage more effectively.

[0043] Figure 4A 、 Figure 4B are diagrams showing a series of actions in the back massage mechanism 5 and the seat massage mechanism 4, and are diagrams schematically showing an example of the swinging motion of the approach or separation of the back arm member 10 and the left-right same-direction swinging motion of the seat arm member 27.

[0044] As Figure 4A 、 Figure 4B shown, the back massage mechanism 5 of the present embodiment is set to perform a "first swinging motion" in which the first treatment members 17R and 17L provided at the tips of the left and right pair of back arm members 10R and 10L approach or separate from each other in the left-right direction and draw an annular locus.

[0045] In addition, the seat massage mechanism 4 is set to perform a "second swinging motion" in which the second treatment members 35, 36 (in this embodiment, the right and left second front treatment members 35R, 35L and the right and left second rear treatment members 36R, 36L) provided at the tips of the pair of right and left seat arm members 27R, 27L swing (rock) in the same direction to the left and right and tilt.

[0046] That is, the inclined cam surfaces 38 formed on the right and left second rotating boss portions 37R, 37L are set to have the same inclination direction, and by rotating the right and left second rotating boss portions 37R, 37L, the second swinging motion in which the second treatment members 35, 36 swing and tilt in the same direction to the left and right is exhibited.

[0047] That is, the chair-type massage machine 1 of the present embodiment has a function of linking the "first swinging motion" of the back massage mechanism 5 and the "second swinging motion" of the seat massage mechanism 4.

[0048] Specifically, the pair of right and left back arm members 10R, 10L perform the "first swinging motion" to bring the right and left first treatment members 17R, 17L closer to or farther from each other, thereby applying kneading massage to the back. At the same time, the pair of right and left seat arm members 27R, 27L perform the "second swinging motion" to swing the right and left second front treatment members 35R, 35L and the second rear treatment members 36R, 36L in the same direction to the left and right, thereby enabling an action of applying kneading massage from the legs (inner thighs) to the waist and the like.

[0049] More specifically, in the back massage mechanism 5, the pair of right and left back arm members 10R, 10L perform the first swinging motion, and the right and left first treatment members 17R, 17L are brought closer to or farther from each other so that the back of the user from the shoulders to the waist is like being massaged by a first masseur. At the same time, in the seat massage mechanism 4, the pair of right and left seat arm members 27R, 27L perform the second swinging motion, and the right and left second front treatment members 35R, 35L and the second rear treatment members 36R, 36L perform an action of swinging in the same direction to the left and right so that the legs (rear sides of the legs) to the buttocks and the like are like being massaged by a second masseur.

[0050] First, when the user sits on the seat 2 and leans on the backrest 3, for example, the right shoulder abuts against the first right treatment member 17R of the right back arm member 10R, and the left shoulder abuts against the first left treatment member 17L of the left back arm member 10L.

[0051] In addition, the right leg, hip, etc. abut against the second right front treatment member 35R and the second left rear treatment member 36R of the right seat arm member 27R, and the left leg, hip, etc. abut against the second left front treatment member 35L and the second left rear treatment member 36L of the left seat arm member 27L.

[0052] The user operates through the operation panel provided on the chair-type massage machine 1 to perform the linkage operation of the first swinging motion and the second swinging motion. The back massage mechanism 5 is driven to be able to perform the first swinging motion of approaching or separating the pair of left and right back arm members 10R, 10L. At the same time, the seat massage mechanism 4 is driven to be able to perform the second swinging motion of swinging the pair of left and right seat arm members 27R, 27L in the same direction to the left and right.

[0053] In the back massage mechanism 5, the drive motor 13 of the first drive unit 8 is driven. The drive motor 13 outputs a rotational driving force, and the rotational driving force is input to the gearbox 14. The first rotating shaft 9 rotates by the rotational driving force.

[0054] In the first right conversion unit 11R, the rotational driving force of the first rotating shaft 9 is converted into "front-back, left-right movement" and transmitted to the right back arm member 10R. The right back arm member 10R swings in a three-dimensional manner in the up-down, front-back, and left-right directions.

[0055] In the first left conversion unit 11L, the rotational driving force of the first rotating shaft 9 is converted into "front-back, left-right movement" and transmitted to the left back arm member 10L. The left back arm member 10L swings in a three-dimensional manner in the up-down, front-back, and left-right directions.

[0056] As Figure 4A , Figure 4B shown, in the state where the left and right back arm members 10R, 10L swing in a three-dimensional manner in the up-down, front-back, and left-right directions, for example, the front end of the right back arm member 10R swings leftward and inward, and the front end of the left back arm member 10L swings rightward and inward. Thus, the first right treatment member 17R approaches the first left treatment member 17L.

[0057] After that, the front end of the right back arm member 10R swings rightward and outward, and the front end of the left back arm member 10L swings leftward and outward. Thus, the first right treatment member 17R and the first left treatment member 17L move away from each other.

[0058] In this way, the back massage mechanism 5 makes the left and right back arm members 10R, 10L perform a circular swinging motion (front-back, left-right movement) in the left-right direction, thereby alternately approaching and separating the first treatment members 17R, 17L arranged left and right. Through the approaching and separating first right treatment member 17R, the user's right shoulder receives kneading massage, and at the same time, through the approaching and separating first left treatment member 17L, the user's left shoulder receives kneading massage.

[0059] On the other hand, in the seat part massage mechanism 4, the drive motor 13 of the second drive part 25 is driven. The drive motor 30 outputs a rotational driving force, and the rotational driving force is input to the gearbox 27. The second rotating shaft 26 rotates by the rotational driving force.

[0060] In the second right conversion part 28R, the rotational driving force of the second rotating shaft 26 is converted into "vertical and horizontal movement" and transmitted to the right seat part arm member 27R. The right seat part arm member 27R swings three-dimensionally in the vertical, front-back, and left-right directions.

[0061] In the second left conversion part 28L, the rotational driving force of the second rotating shaft 26 is converted into "vertical and horizontal movement" and transmitted to the left seat part arm member 27L. The left seat part arm member 27L swings three-dimensionally in the vertical, front-back, and left-right directions.

[0062] As Figure 4A shown, the right seat part arm member 27R swings the second right front treatment member 35R at the front end inward to the left, and at the same time, the left seat part arm member 27L also swings the second left front treatment member 36L at the front end outward to the left. That is, the second right front treatment member 35R and the second left front treatment member 36L swing in a manner of following the same left direction.

[0063] At this time, the second right rear treatment member 36R at the rear end of the right seat part arm member 27R swings outward to the right. The second left rear treatment member 36L at the rear end of the left seat part arm member 27L swings inward to the right. That is, the second right rear treatment member 36R and the second left rear treatment member 36L swing in a manner of following the same right direction.

[0064] As Figure 4B shown, thereafter, the right seat part arm member 27R swings the second right front treatment member 35R at the front end outward to the right, and at the same time, the left seat part arm member 27L also swings the second left front treatment member 35L at the front end inward to the right. That is, the second right front treatment member 35R and the second left front treatment member 36L swing in a manner of following the same right direction.

[0065] At this time, the second right rear treatment member 36R at the rear end of the right seat part arm member 27R swings inward to the left. The second left rear treatment member 36L at the rear end of the left seat part arm member 27L swings outward to the left. That is, the second right rear treatment member 36R and the second left rear treatment member 36L swing in a manner of following the same left direction.

[0066] In this way, in the seat massage mechanism 4, in cooperation with the swinging movement (first swinging movement) of approaching or separating performed by the left and right back arm members 10R and 10L of the back massage mechanism 5, the second right front treatment member 35R and the second right rear treatment member 36R provided on the right seat arm member 27R, and the second left front treatment member 35L and the second left rear treatment member 36L provided on the left seat arm member 27L cooperate to perform a kneading massage of pushing upward while swinging in the same direction to the left and right (second swinging movement).

[0067] That is, in the seat massage mechanism 4, by linking the following two kneading massages, an effective kneading massage can be applied to the back, legs, buttocks, etc. at the same time. One of the two kneading massages is: making the pair of left and right seat arm members 27R and 27L perform a second swinging movement of swinging in the same direction to the left and right, and alternately and repeatedly performing, for example, a kneading massage in which the left and right second front treatment members 35R and 35L first press, and then the left and right second rear treatment members 36R and 36L press, on the second treatment parts such as the buttocks and legs (inner sides of the legs); the other kneading massage is: making the pair of left and right back arm members 10R and 10L perform a first swinging movement of approaching or separating, and performing a kneading massage on the back from the shoulders to the waist as the first treatment part using the first treatment members 17R and 17L.

[0068] In the present embodiment, the swinging distances of the first treatment members 17R and 17L of the back massage mechanism 5 and the swinging distances of the second treatment members 35R and 35L of the seat massage mechanism 4 may be the same or different. In addition, the swinging distances of the first treatment members 17R and 17L of the back massage mechanism 5 and the swinging distances of the second treatment members 36R and 36L of the seat massage mechanism 4 may be the same or different.

[0069] In addition, the distance when the pair of left and right first treatment members 17R and 17L of the back massage mechanism 5 are closest to each other and the distance between the pair of left and right second treatment members 35R and 35L of the seat massage mechanism 4 may be the same or different. In addition, it may also be set that the distance when the pair of left and right first treatment members 17R and 17L are closest to each other and the distance between the pair of left and right second treatment members 36R and 36L of the seat massage mechanism 4 are changed to be the same or different.

[0070] The distance when the pair of left and right first treatment members 17R and 17L of the back massage mechanism 5 are farthest from each other and the distance between the pair of left and right second treatment members 35R and 35L of the seat massage mechanism 4 may be the same or different. In addition, the distance when the pair of left and right first treatment members 17R and 17L are farthest from each other and the distance between the pair of left and right second treatment members 36R and 36L of the seat massage mechanism 4 may also be the same or different.

[0071] That is, the swing amplitude of the first treatment member 17R, 17L and the swing amplitude of the second treatment member 35R, 35L, or the swing amplitude of the first treatment member 17R, 17L and the swing amplitude of the second treatment member 36R, 36L can be the same, or one of them can be larger or smaller.

[0072] Furthermore, the swing speed of the first treatment element 17 of the back massage mechanism 5 and the swing speed of the second treatment elements 35 and 36 of the seat massage mechanism 4 may be changed to the same speed or different speeds. For example, the swing speed of the back arm member 10 may be set faster than normal, while the swing speed of the seat arm member 27 may be changed to a slower speed than normal.

[0073] The seat massage mechanism 4 of this embodiment is movable in the front-rear direction inside the seat 2 along the seat rails 44 . The back massage mechanism 5 is movable in the upper-lower direction inside the backrest 3 along the back rails 23 .

[0074] Furthermore, it is also possible to change the moving speed of the seat massage mechanism 4 and the moving speed of the back massage mechanism 5. The pair of back arm members 10R, 10L and the pair of seat arm members 27R, 27L may be set so that the left and right intervals can be changed.

[0075] It should be noted that the distance between the left and right first treatment members 17R and 17L, the swinging speed of the first treatment member 17 and the second treatment member 35 and 36, the left and right spacing between the left and right back arm members 10R and 10L and the seat arm members 27R and 27L, etc. can all be appropriately changed.

[0076] The back massage mechanism 5 and the seat massage mechanism 4 may also be set to be switchable between the "first swing motion" and the "second swing motion." That is, the back massage mechanism 5 may perform the "second swing motion" and the seat massage mechanism 4 may perform the "first swing motion."

[0077] For example, the second treatment members 35 and 36 of the left and right pair of seat arm members 27 can be made to perform a first swinging motion toward or away from each other in the left and right directions, and the first treatment member 17 of the left and right pair of back arm members 10 can be made to perform a second swinging motion to swing and tilt in the same left and right directions.

[0078] As described above, according to the chair-type massage machine 1 of the present invention, by linking the seat massage mechanism 4 and the back massage mechanism 5, different treatment parts such as the first treatment part from the shoulder through the spine to the waist and the second treatment part from the leg (inner side of the leg) to the buttocks can receive different massage actions at the same time, thereby further improving the physical sensation of the massage and achieving a better relaxation effect.

[0079] That is, in the present embodiment, by making the swinging (first swinging motion) of the back arm member 10 in the back massage mechanism 5 approaching or moving away and the swinging (second swinging motion) of the seat arm member 27 in the seat massage mechanism 4 in the same left - right direction cooperate, a desired massage motion can be achieved, and the user will feel a massage as if each treatment part is stretched and relaxed simultaneously.

[0080] Furthermore, by appropriately performing the forward - backward movement of the two massage mechanisms 4 and 5, the left - right interval of each arm member 10, 27, and the change of the driving speed, etc., an effective massage can be obtained.

[0081] The user can make two or more different treatment parts, such as the back of the user leaning on the backrest 3 from the shoulder to the waist and the lower limbs such as the buttocks and legs (inner thighs) of the user sitting on the seat 2, respectively obtain a further relaxation effect.

[0082] Next, the structures of the back massage mechanism 5 and the seat massage mechanism 4 of the present embodiment will be described in detail.

[0083] As Figure 1 、 Figure 2 shown, the back massage mechanism 5 of the present embodiment can perform kneading massage and pounding massage. The back massage mechanism 5 includes: a first driving part 8 that generates a rotational driving force; a first rotating shaft 9 that rotates by the rotational driving force; a back arm member 10 that performs kneading massage on the back (first treatment part) from the shoulder to the waist; and a first conversion part 11 that is arranged on the first rotating shaft 9 and converts the rotational driving force into a swinging motion in the front - back, left - right directions and transmits it to the back arm member 10.

[0084] The first driving part 8 is arranged on the base body 12 to rotationally drive the rotating drive shaft 9. The first driving part 8 has a drive motor 13 that outputs a rotational driving force and a gearbox 14 that adjusts the output rotational driving force to a specified speed.

[0085] The drive motor 13 can control the rotation direction, speed, etc. The drive motor 13 is arranged on the upper side of the gearbox 14 provided on the base body 12. The drive motor 13 is a motor that can rotate forward and backward.

[0086] In the present embodiment, the output shaft of the drive motor 13 for outputting the rotational driving force is arranged downward. In addition, a worm is installed on the output shaft of the drive motor 13, and the worm meshes with a worm gear installed on the transmission shaft. It should be noted that although not shown, the transmission shaft is arranged behind the output shaft of the drive motor 13 and is arranged inside the gearbox 14 with its axis facing the left - right direction.

[0087] That is, the first driving unit 8 adjusts the rotational driving force generated by the driving motor 13 through the gearbox 14 and transmits it to the first rotating shaft 9.

[0088] The first rotating shaft 9 is disposed horizontally with its axis facing the left and right directions, passing through the gearbox 14 of the base body 12. In addition, the first rotating shaft 9 (kneading rotating shaft) passes through the proximal end side of the back arm member 10. The first rotating shaft 9 is a long and rod-shaped shaft member, and is supported by the support member 15 so that the rotation direction can be freely switched via bearings.

[0089] The first rotating shaft 9 is disposed on the front side of the driving motor 13. The first rotating shaft 9 is disposed orthogonally to the axis of the output shaft of the driving motor 13. A worm gear 16 is installed on the left side in the length direction of the first rotating shaft 9. The worm gear 16 is disposed within the gearbox 14 and meshes with a worm installed on the transmission shaft. That is, the rotational driving force is transmitted in the order from the output shaft of the driving motor 13 through the transmission shaft to the first rotating shaft 9.

[0090] As Figure 2 、 Figure 4A 、 Figure 4B and so on, the back arm member 10 performs a swinging motion to apply kneading massage to the back (first treatment part) of the user from the shoulder to the waist. The back arm members 10 are arranged in a left-right pair at a prescribed interval.

[0091] The back arm member 10 (kneading arm member) is formed in an arm shape, and is arranged such that the tip (front end) protrudes forward. A first treatment member 17 for applying a massage action to the back of the user from the shoulder to the waist is installed at the tip (front end) of the back arm member 10.

[0092] A ring-shaped fitting portion 20 constituting the first conversion portion 11 is provided at the proximal end (rear end) of the back arm member 10. That is, the proximal end of the back arm member 10 is penetrated by the first rotating shaft 9 in the left-right direction.

[0093] A right back arm member 10R is disposed on the right side of the first rotating shaft 9. A first right treatment member 17R for performing kneading massage on the back of the user on the right side from the shoulder to the waist is installed at the tip (front end) of the right back arm member 10R.

[0094] In addition, a left back arm member 10L is disposed on the left side of the first rotating shaft 9. A first left treatment member 17L for performing kneading massage on the back of the user on the left side from the shoulder to the waist is installed at the tip (front end) of the left back arm member 10L.

[0095] That is, the separation distance of the first treatment members 17R and 17L on the left and right is such that the first right treatment member 17R can abut against the back of the user's right side from the shoulder to the waist via the spine, and the first left treatment member 17L can abut against the back of the user's left side from the shoulder to the waist via the spine.

[0096] By the swinging motion (swinging motion in a ring shape in the left-right direction) of the pair of left and right back arm members 10R and 10L in the front-back, left-right directions, the first treatment members 17R and 17L on the left and right can effectively apply kneading massage to the back of the user from the shoulder to the waist from the rear.

[0097] It should be noted that the left and right back arm members 10R and 10L swing in a three-dimensional manner in the up-down, front-back, and left-right directions through the first conversion parts 11R and 11L, but are referred to as "front-back and left-right motion" in the present embodiment. In addition, the separation distance of the pair of left and right back arm members 10R and 10L (the first treatment members 17R and 17L) can also be set to be variable so as to match the shoulder width of the user, etc.

[0098] The first conversion part 11 is provided on the proximal end side of the back arm member 10, converts the rotational driving force of the first rotating shaft 9 into a front-back and left-right swinging motion, and transmits it as a kneading massage action. The first conversion part 11 has: a first rotating boss part 18 that rotates integrally with the first rotating shaft 9; a first annular fitting part 20 provided on the proximal end side of the back arm member 10 and externally fitted to the first rotating boss part 18; a first restricting part 21 that restricts the back arm member 10 from rotating together with the first rotating shaft 9. A first right conversion part 11R is arranged on the proximal end side of the right back arm member 10R. In addition, a first left conversion part 11L is arranged on the proximal end side of the left back arm member 10L.

[0099] In the first rotating boss part 18 of the present embodiment, the first rotating shaft 9 passes through the inside thereof, and a cam surface 19 that is inclined with respect to the first rotating shaft 9 is provided on the outer peripheral surface. The first rotating boss part 18 (the inclined boss part) rotates inclinedly with respect to the axis of the first rotating shaft 9. It should be noted that, regarding the inclined cam surface 19, for example, it can also be inclined and eccentric with respect to the first rotating shaft 9.

[0100] The first right rotating boss part 18R is arranged on the right side of the first rotating shaft 9. The first left rotating boss part 18L is arranged on the left side of the first rotating shaft 9. In addition, the inclinations of the left and right first rotating boss parts 18R and 18L (the inclined cam surface 19) are inclined relative to each other in opposite directions, for example, between the pair of left and right back arm members 10R and 10L.

[0101] The first annular fitting portion 20 is formed at the proximal end side of the back arm member 10 to externally fit the first rotating boss portion 18 in a freely relatively rotatable state. That is, the inner diameter of the first annular fitting portion 20 is substantially the same as the outer diameter of the inclined cam surface 19 of the first rotating boss portion 18.

[0102] The first right annular fitting portion 20R externally fits the first right rotating boss portion 18R in a freely relatively rotatable state. The first left annular fitting portion 20L externally fits the first left rotating boss portion 18L in a freely relatively rotatable state. In addition, the left and right first annular fitting portions 20R and 20L are arranged such that the pair of left and right back arm members 10R and 10L are inclined relative to each other in opposite directions through the inclination of the left and right first rotating boss portions 18R and 18L.

[0103] The first restricting portion 21 is disposed on the first annular fitting portion 20 to restrict the rotation of the first annular fitting portion 20 together with the first rotating boss portion 18. The first restricting portion 21 has a restricting pin provided on the first annular fitting portion 20 and a restricting groove into which the restricting pin is freely slidably inserted. The first right annular fitting portion 20R is provided with a first right restricting portion 21R. In addition, a first left restricting portion 21L is disposed on the proximal end side of the first left annular fitting portion 20L.

[0104] The restricting portion 21 of the present embodiment employs a ball-and-socket joint portion that restricts the rotation of the back arm member 10 together with the first rotating shaft 9 by freely slidably inserting a spherical restricting pin into a spherical concave-shaped restricting groove.

[0105] Thus, the back arm member 10 performs a swinging motion through the inclined rotation of the first rotating boss portion 18 externally fitted by the first annular fitting portion 20 and the restriction of the first restricting portion 21 on the combined rotation. In addition, by adopting the ball-and-socket joint portion, when performing percussion massage, the back arm member 10 is restricted but has a prescribed degree of freedom and can also swing.

[0106] It should be noted that the back massage mechanism 5 may also have a switching portion that switches the phase of the swinging motion in the front-rear, left-right directions performed by the pair of left and right back arm members 10R and 10L through the forward rotation and reverse rotation of the first rotating shaft 9.

[0107] As Figure 2 shown, the back massage mechanism 5 of the present embodiment has a percussion drive portion 22 that percusses the back of the user from the shoulder to the waist with the first treatment member 17 at short time intervals to perform percussion massage using the impact of the first treatment member 17 on the back.

[0108] The back massage mechanism 5 of the present embodiment moves in the vertical direction (tilt direction) along a pair of left and right back guide rails 23 disposed inside the backrest 3 (support frame 7). The back guide rails 23 are guide rail members that are long in the vertical direction. The back guide rails 23 of the present embodiment are set to have a curved shape that bulges forward from the lower end to the middle part in the vertical direction.

[0109] The back guide rails 23 have racks 23a and guide rail grooves 23b, and are arranged in a pair on the left and right on the support frame 7. The racks 23a and the guide rail grooves 23b are formed in the same direction and along the same direction. In addition, in the back massage mechanism 5, a traveling gear 24a (pinion) that can engage with the rack 23a in a traveling manner and a traveling roller 24b that is freely movable and inserted into the guide rail groove 23b are arranged. It should be noted that the structure of the back guide rail 23 is an example and is not limited to this structure.

[0110] As Figures 1 to 3 shown, etc., the seat massage mechanism 4 of the present embodiment has: a second drive unit 25 that generates a rotational driving force; a second rotating shaft 26 that rotates by the rotational driving force; a seat arm member 27 that kneads and massages a second treatment part such as the buttocks and legs (inner thighs); and a second conversion unit 28 that is arranged on the second rotating shaft 26 and converts the rotational driving force into a swinging motion in the vertical and horizontal directions and transmits it to the seat arm member 27.

[0111] As Figure 3 shown, the second drive unit 25 is arranged on the base 29 to rotationally drive the second rotating shaft 26. The second drive unit 25 has a drive motor 30 that outputs a rotational driving force and a gearbox 31 that adjusts the output rotational driving force to a specified speed.

[0112] The drive motor 30 is a motor that can rotate forward and backward. The drive motor 30 can control the rotation direction, speed, etc. The drive motor 30 is arranged behind the gearbox 31 provided on the base 29.

[0113] In the drive motor 30 of the present embodiment, an output shaft 30a that outputs a rotational driving force is arranged horizontally forward. In addition, a worm is installed on the output shaft 30a of the drive motor 30, and the worm meshes with a worm gear installed on the transmission shaft. It should be noted that although not shown, the transmission shaft is arranged below the output shaft 30a of the drive motor 30 and is arranged inside the gearbox 31 with its axis facing the left and right directions.

[0114] That is, the second drive unit 25 adjusts the speed of the rotational driving force generated by the drive motor 30 through the gearbox 31 and transmits it to the second rotating shaft 26.

[0115] The second rotating shaft 26 is disposed through the gearbox 31 of the base 29 in such a manner that its axis is horizontal and faces the left - right direction. In addition, the second rotating shaft 26 (seat - part rotating shaft) penetrates the proximal - end side of the seat - part arm member 27. The second rotating shaft 26 is a long and rod - shaped shaft member, and is supported by a support member 33 via a bearing 32 so that its rotation direction can be freely switched.

[0116] The second rotating shaft 26 is disposed above the drive motor 30. The second rotating shaft 26 is disposed so as to be orthogonal to the axis of the output shaft 30a of the drive motor 30. A worm gear 34 is mounted on the right side in the length direction of the second rotating shaft 26. This worm gear 34 is disposed within the gearbox 31 and meshes with a worm mounted on the transmission shaft. That is, the rotational driving force is transmitted in the order from the output shaft 30a of the drive motor 30 via the transmission shaft to the second rotating shaft 26.

[0117] As Figures 3 to 4B shown, etc., the seat - part arm member 27 performs kneading massage on the user's legs (inner thighs), buttocks, etc. in a manner of pushing from below upward by performing a swinging motion. The seat - part arm members 27 are arranged in a left - right pair with a prescribed interval therebetween. The seat - part arm member 27 is formed in an arm shape and is arranged in the front - rear direction.

[0118] A second front treatment member 35 for applying a massage action to the buttocks, legs (inner thighs), etc. is mounted at the front end of the seat - part arm member 27. On the other hand, a second rear treatment member 36 for applying a massage action to the buttocks, legs (inner thighs), etc. is mounted at the rear end of the seat - part arm member 27.

[0119] In addition, in the present embodiment, with the middle part in the length direction of the seat - part arm member 27 as the proximal - end side, a second annular fitting portion 39 constituting the second conversion portion 28 is provided on the proximal - end side thereof.

[0120] Specifically, a right seat - part arm member 27R is disposed on the right side of the second rotating shaft 26. A second right front treatment member 35R for performing kneading massage on the user's right - side legs (inner thighs), buttocks, etc. is mounted at the front end of the right seat - part arm member 27R. On the other hand, a second right rear treatment member 36R for performing kneading massage on the user's right - side legs (inner thighs), buttocks, etc. is mounted at the rear end of the right seat - part arm member 27R.

[0121] In addition, a left seat - part arm member 27L is disposed on the left side of the second rotating shaft 26. A second left front treatment member 35L for performing kneading massage on the user's left - side legs (inner thighs), buttocks, etc. is mounted at the front end of the left seat - part arm member 27L. On the other hand, a second left rear treatment member 36L for performing kneading massage on the user's left - side legs (inner thighs), buttocks, etc. is mounted at the rear end of the left seat - part arm member 27L.

[0122] That is, the separation distance of the second treatment members 35 and 36 is the interval at which the second right treatment members 35R and 36R can abut against, for example, the right hip, the inner side of the leg, etc. of the user, and the second left treatment members 35L and 36L can abut against, for example, the left hip, the inner side of the leg, etc. of the user.

[0123] Through the swinging movement of the pair of left and right seat arm members 27R and 27L in the up-down, left-right directions, the left and right second treatment members 35R, 35L, 36R, and 36L can effectively apply kneading massage to the legs (inner sides of the legs), hips, etc. of the user from below.

[0124] It should be noted that the left and right seat arm members 27R and 27L swing in a three-dimensional manner in the up-down, front-back, and left-right directions through the second conversion portions 28R and 28L, but are referred to as "up-down and left-right movement" in the present embodiment. In addition, the separation distance of the pair of left and right seat arm members 27R and 27L can also be set to be variable so as to match the positions of the lower limbs such as the legs and hips of the user.

[0125] The second conversion portion 28 is provided on the proximal end side of the seat arm member 27, converts the rotational driving force of the second rotating shaft 26 into a swinging movement in the front-back, left-right directions, and transmits it as a kneading massage action. The second conversion portion 28 includes: a second rotating boss portion 37 that rotates integrally with the second rotating shaft 26; a second annular fitting portion 39 that is provided on the proximal end side of the seat arm member 27 and is externally fitted to the second rotating boss portion 37; and a second restricting portion 40 that restricts the rotation of the seat arm member 27 together with the second rotating shaft 26. A second right conversion portion 28R is disposed on the proximal end side of the right seat arm member 27R. In addition, a second left conversion portion 28L is disposed on the proximal end side of the left seat arm member 27L.

[0126] The second rotating boss portion 37 of the present embodiment has the second rotating shaft 26 passing through its inner side, and has a cam surface 38 that is inclined with respect to the second rotating shaft 26 on the outer peripheral surface. The second rotating boss portion 37 (inclined boss portion) rotates in an inclined manner with respect to the axis of the second rotating shaft 26. It should be noted that, for example, the inclined cam surface 38 may also be inclined and eccentric with respect to the second rotating shaft 26.

[0127] The second right rotating boss portion 37R is disposed on the right side of the second rotating shaft 26. The second left rotating boss portion 37L is disposed on the left side of the second rotating shaft 26. In addition, the inclinations of the left and right second rotating boss portions 37R and 37L (inclined cam surfaces 38) are inclined in opposite directions relative to each other, for example, between the pair of left and right seat arm members 27R and 27L.

[0128] The second annular fitting portion 39 is formed at the proximal end side of the seat arm member 27, and externally fits the second rotary boss portion 37 in a state of freely rotating relative to each other. That is, the inner diameter of the second annular fitting portion 39 is substantially the same as the outer diameter of the inclined cam surface 38 of the rotary boss portion 37.

[0129] The second right annular fitting portion 39R externally fits the second right rotary boss portion 37R in a state of freely rotating relative to each other. The second left annular fitting portion 39L externally fits the second left rotary boss portion 37L in a state of freely rotating relative to each other. In addition, the left and right second annular fitting portions 39R, 39L are arranged such that the pair of left and right seat arm members 27R, 27L are inclined relative to each other in opposite directions by the inclination of the left and right second rotary boss portions 37R, 37L.

[0130] The second restricting portion 40 is arranged at the second annular fitting portion 39 to restrict the rotation of the second annular fitting portion 39 together with the second rotary boss portion 37. The second restricting portion 40 has a restricting pin 41 provided at the second annular fitting portion 39 and a restricting groove 42 into which the restricting pin 41 is slidably inserted. The second right annular fitting portion 39R is provided with a second right restricting portion 40R. In addition, a second left restricting portion 40L is arranged at the proximal end side of the second left annular fitting portion 39L.

[0131] The restricting pins 41 of the present embodiment respectively project forward and backward from the proximal end of the second annular fitting portion 39. The restricting grooves 42 of the present embodiment are provided at positions opposite to the restricting pins 41 and are provided on the housing 43. Thus, the seat arm member 27 performs a swinging motion by the inclined rotation of the second rotary boss portion 37 externally fitted by the second annular fitting portion 39 and the restriction of the restricting portion 40 on the combined rotation. <id =

[0132] It should be noted that the seat massage mechanism 4 may also have a switching portion that switches the phase of the swinging motion in the up, down, left, and right directions performed by the pair of left and right seat arm members 27R, 27L by the forward rotation and reverse rotation of the second rotating shaft 26.

[0133] The seat massage mechanism 4 of the present embodiment moves in the front-rear direction along a pair of left and right seat guide rails 44 provided inside the seat 2 (foot body 6). The back guide rail 27 is a guide rail member that is long in the front-rear direction.

[0134] The seat guide rail 44 of the present embodiment is set to a curved shape that bulges downward at the rear end side, and can accommodate the seat massage mechanism 4 inside the foot body 6. It should be noted that the seat guide rail 44 may also be a linear guide rail member.

[0135] The seat guide rail 44 has a rack and a guide groove, and is arranged in a left-right pair on the foot body 6. In addition, a traveling gear 45a (pinion) that can travel and engage with the rack and a traveling roller 45b that is freely movable and inserted into the guide groove are arranged in the seat massage mechanism 4. It should be noted that the structure of the seat guide rail 44 is an example and is not limited to this structure.

[0136] It should be noted that the embodiments disclosed herein should be considered illustrative in all respects and not restrictive. In particular, in the embodiments disclosed herein, matters not explicitly stated (such as operating conditions, operation conditions, dimensions, weights of components, etc.) do not depart from the scope commonly implemented by those skilled in the art, but rather adopt matters that can be easily conceived by ordinary skilled persons in the art.

[0137] For example, regarding the structure of the back massage mechanism 5 such as the length of the back arm member 10, the inclination angle of the back arm member 10 (the inclined cam surface 19 of the first rotating boss portion 18) relative to the back arm member 10, the separation distance between the left and right pair of back arm members 10, the number of the first treatment members 17, etc., it can be appropriately changed according to the treatment range.

[0138] Similarly, regarding the structure of the seat massage mechanism 4 such as the length of the seat arm member 27, the inclination angle of the seat arm member 27 (the inclined cam surface 38 of the second rotating boss portion 37) relative to the second rotating shaft 26, the separation distance between the left and right pair of seat arm members 27, the number of the second treatment members 35, 36, etc., it can be appropriately changed according to the treatment range.

[0139] In addition, regarding the actions of the kneading massage performed by the back massage mechanism 5 and the kneading massage performed by the seat massage mechanism 4 (the swing amplitude, timing, speed, etc. of approaching or separating and swinging in the same left-right direction), it is not limited to the combination of linked actions exemplified in this embodiment, and can be appropriately changed according to the condition of the treatment part (the part as the object, the degree of stiffness of this part, etc.).

[0140] The basic device structures such as the back massage mechanism 5 and the seat massage mechanism 4 described in this embodiment are only examples, and various device structures can be adopted.

[0141] In addition, regarding the structure that makes the seat massage mechanism 4 and the back massage mechanism 5 described in detail above perform linked actions, for example, as an automatic massage process, multiple actions can also be programmed in advance, and can be freely selected and instructed through an operation terminal (remote control) etc. provided on the chair-type massage machine 1. In addition, regarding the chair-type massage machine 1 of the present invention, for example, it can also be configured to be operated by a portable electronic information terminal (such as a smart phone, etc.) owned by the user.

[0142] Explanation of reference numerals:

[0143] 1: Chair-type massage machine

[0144] 2: Seat part

[0145] 3: Backrest part

[0146] 4: Seat part massage mechanism

[0147] 5: Back part massage mechanism

[0148] 8: First drive part

[0149] 9: First rotating shaft

[0150] 10: Back arm member

[0151] 11: First conversion part

[0152] 17: First treatment part

[0153] 18: First rotating boss part

[0154] 19: Tilt cam surface

[0155] 20: First annular fitting part

[0156] 25: Second drive part

[0157] 26: Second rotating shaft

[0158] 27: Seat arm member

[0159] 28: Second conversion part

[0160] 35: Second front treatment part

[0161] 36: Second rear treatment part

[0162] 37: Second rotating boss part

[0163] 38: Tilt cam surface

[0164] 39: Second annular fitting part

Claims

1. A chair-type massage machine, comprising: a seat portion; a backrest portion; a back massage mechanism having a pair of left and right back arm members provided with first treatment members at their tips and applying a massage action to the back of a user; and a seat portion massage mechanism having a pair of left and right seat arm members provided with second treatment members at their tips and applying a massage action to the buttocks or legs of the user, characterized in that, the back massage mechanism is set to perform a first swinging motion in which the pair of left and right first treatment members provided on the back arm members approach or separate from each other in the left-right direction, the seat portion massage mechanism is set to perform a second swinging motion in which the pair of left and right second treatment members provided on the seat arm members swing and tilt in the same left-right direction.

2. The chair-type massage machine according to claim 1, characterized in that, the seat portion massage mechanism has: a rotating shaft for transmitting the rotational driving force from a driving motor; a disk-shaped rotating boss portion mounted on the rotating shaft; an annular and inclined cam surface formed on the periphery of the rotating boss portion; and an annular fitting portion provided at the base end of the seat arm member and slidably externally fitted to the cam surface, the pair of left and right rotating boss portions are provided at a predetermined interval along the rotating shaft, the inclination directions of the cam surfaces of the pair of left and right arranged rotating boss portions are set to be inclined in the same direction.

3. The chair-type massage machine according to claim 2, characterized in that, by the rotation of the rotating boss portions whose cam surface inclination directions are set to be in the same direction, a second swinging motion in which the second treatment members swing and tilt in the same left-right direction is exhibited.

4. The chair-type massage machine according to claim 2 or 3, characterized in that, the swinging distance of the first treatment member of the back massage mechanism and the swinging distance of the second treatment member of the seat portion massage mechanism are set to be the same or different.

5. The chair-type massage machine according to claim 2 or 3, characterized in that, the distance when the pair of left and right first treatment members of the back massage mechanism are closest to each other and the distance between the pair of left and right second treatment members of the seat portion massage mechanism are set to be the same or different.

6. The chair-type massage machine according to claim 2 or 3, characterized in that, the distance when the pair of left and right first treatment members of the back massage mechanism are farthest apart from each other and the distance between the pair of left and right second treatment members of the seat portion massage mechanism are set to be the same or different.

7. The chair-type massage machine according to claim 2 or 3, characterized in that, the swinging speed of the first treatment member of the back massage mechanism and the swinging speed of the second treatment member of the seat portion massage mechanism are set to be the same speed or different speeds.

8. The chair-type massage machine according to claim 1, characterized in that, the back massage mechanism and / or the seat portion massage mechanism are configured to freely switch between the first swinging motion and the second swinging motion.

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