JP2017118930A - Foot massage mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a foot massage mechanism capable of giving a variety of massages to the upper surface and the lower surface of the toe of a user, and giving a massage to the sole from the toe to the heel.SOLUTION: A foot massage mechanism 29 has a first massage member 30 for giving a massage to the upper surface of the toe of a user, and a second massage member 32 for giving a massage to the lower surface of the toe of the user. It includes a drive part 13 for generating a massage action by oscillating the first massage member 30 so as to bring it closer to or away from the second massage member 32, and interlocking the first massage member with the second massage member.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a foot massage mechanism suitable for massaging a foot, particularly a toe.

Conventionally, massage machines capable of massaging a human foot have been developed, for example, as shown in Patent Document 1.
The foot massage machine disclosed in Patent Document 1 is provided with a pair of left and right treatment hole portions, and in each treatment hole portion, a human foot tip intermediate portion is expanded and contracted and expanded from both sides to hold the pressure A pair of left and right toe side inflatable bags that can be treated, a toe toe inflatable bag that can be pressed and treated by inflating and inflating and inflating and inflating, and located on the human body An inflatable bag that can be pressed and treated while being inflated and inflated, and an inflatable and inflatable bag that can be pressed and treated by inflating and inflating and inflated and inflated. It has been.

JP 2006-130101 A

However, in recent years, there have been various requests from users regarding massage operations for the entire foot from the toes to the heel. For example, there is a request such as a massage operation in which a foot is pressed and pressed while being massaged.
However, for example, the foot massage machine disclosed in Patent Document 1 simply performs a pressure massage operation with a strong and weak pressing force such that an inflatable bag can be pressed against the foot. It is impossible to respond to requests from the above-mentioned users.

  Therefore, in view of the above problems, the present invention can perform various massages on the upper and lower surfaces of the user's toes and at the same time massage the soles from the toes to the heels. The purpose is to provide a foot massage mechanism.

In order to achieve the above object, the present invention takes the following technical means.
The foot massage mechanism according to the present invention includes a first massage member that massages the upper surface portion of the user's foot and a second massage member that massages the lower surface portion of the user's foot, and the first massage member And a drive unit that causes the first massage member and the second massage member to move together to generate a massage operation.

  Preferably, the first massage member includes at least one of a third massage member that massages the center in the longitudinal direction of the sole of the user and a fourth massage member that massages a rear portion of the sole of the user. The massaging member and the second massaging member are interlocked and rocked so as to be close to and away from each other to generate a massaging operation, and at least one of the third massaging member and the fourth massaging member is driven. It is preferable to provide a drive unit that generates a massage operation.

  Preferably, the drive unit has a rotation shaft that is arranged to face in the left-right direction and transmits a rotational driving force, and an arm-shaped first connection piece that is formed to extend forward from the rotation shaft is provided. The first connecting piece has a proximal end portion rotatably attached to the rotating shaft in an eccentric state, the distal end portion is provided with the first massage member, and the rotating shaft is It is preferable that the first massage member connected to the first connecting piece swings up and down by rotating.

  Preferably, an arm-shaped second connection piece formed to extend forward from the rotation shaft is provided, and the second connection piece rotates in a state where the base end portion is eccentric with respect to the rotation shaft. The second massaging member is movably attached, and the second massaging member is provided at the tip, and the second massaging member coupled to the second coupling piece swings back and forth or up and down as the rotating shaft rotates. It is good to be configured to move dynamically.

Preferably, the third massage member may include a rotation roller that fits integrally with the rotation shaft and applies massage to the center in the longitudinal direction of the sole on the outer peripheral surface.
Preferably, the first connecting piece and the second connecting piece are arranged so that the shaft centers of the rotating shafts penetrate through the respective base end portions, and are arranged so as to face each other with the third massage member interposed therebetween. It is good to be.

  According to the present invention, various massages can be performed on the upper and lower surfaces of the user's toes, and at the same time, massage can be performed on the soles from the toes to the heels.

It is a front perspective view of a lower limb massage machine incorporating the foot massage mechanism of the present invention. It is the front perspective view which showed the internal structure of the massage machine for lower limbs where the foot massage mechanism of this invention was incorporated. It is the front perspective view showing the whole leg massage mechanism composition of the present invention. It is the front perspective view which showed the internal structure of the foot massage mechanism of this invention. It is the expanded view which showed the internal structure of the foot massage mechanism of this invention. It is the figure which showed operation | movement of the foot massage mechanism of this invention, and is a side view at the time of the 1st massage member and the 2nd massage member having separated. It is the figure which showed operation | movement of the foot massage mechanism of this invention, and is a side view when the 1st massage member and the 2nd massage member approached.

Hereinafter, an embodiment of a foot massage mechanism 29 according to the present invention will be described with reference to the drawings.
Before describing the foot massage mechanism 29 of the present invention, the lower limb massage machine 1 provided with the foot massage mechanism 29 will be described.
In the following description, the configuration of the cylindrical member 4 of the lower limb massage machine 1 and the configuration of the outer periphery of the cylindrical member 4 and the configuration of the foot massage mechanism 29 are the same on the left and right. Description will be made by paying attention to the cylindrical member 4 and the foot massage mechanism 29 into which the back is inserted. Moreover, since the structure of the cylinder member 4 arrange | positioned on the right side, the structure of the outer periphery of the cylinder member 4, and the foot massage mechanism 29 are the same as that of the left side, description is abbreviate | omitted. Moreover, in order to make the foot massage mechanism 29 of the present invention easier to see, some of the constituent members are omitted from the drawing of this embodiment.

1 and 2 show the configuration of the lower limb massage machine 1.
In the present specification, “foot” refers to a portion of the lower limb L of a human that is below the ankle, and “sole” refers to a surface that comes into contact with the floor surface.
The “foot top surface portion F” refers to the foot surface from the longitudinal tip portion of the foot to the midway portion in the longitudinal direction. That is, the “toe upper surface portion F” refers to “the surface of the toe T (the tip of the foot)” to “the upper K”. “Foot toe bottom surface portion U” refers to the back surface of the foot and the tip of the foot, “the back surface of the toe T”.

Further, “arch arch A” refers to the foot bottom and a midway portion in the longitudinal direction of the foot, and “heel H” refers to a portion almost directly under the ankle and a portion on the back side of the foot. .
Further, in the following description, the right oblique direction in FIG. 1 is the front-rear direction in the actual apparatus, and the left oblique direction in FIG. 1 is the left-right direction or the width direction in the actual apparatus. Moreover, let the up-down direction of FIG. 1 be the up-down direction in an actual apparatus. These directions are indicated by arrows in each figure, and coincide with the direction seen from the user who has inserted the lower limb L into the lower limb massage machine 1.

As shown in FIGS. 1 and 2, the lower limb massage machine 1 of the present embodiment is a device capable of massaging the user's lower limb L seated on, for example, a chair.
This lower limb massage machine 1 is capable of inserting a user's lower limb L from the opened upper part, and is provided on the cylindrical member 4 and a pair of cylindrical members 4 formed in an L shape in a side view. The user's calf C has a treatment member 18 that sandwiches and massages from the side. Moreover, this lower limb massage machine 1 has a substantially triangular case body 2 (casing) in a side view, and a pair of cylindrical members 4 (treatment portions) are arranged side by side inside the case body 2. It is supported.

  The case body 2 is formed in a size that can cover the front surfaces of the pair of standing cylinder members 4 and can support the cylinder members 4 in a standing manner, and drives a treatment member 18 and the like therein. 13 is a housing for storing the treatment member 18 and the base frame 6 that supports the drive unit 13 (both will be described later in detail). The case body 2 is a horizontally long or vertically long rectangle or square when viewed from the front, and has an L shape (boot) that is substantially the same as the shape of the tubular member 4 when viewed from the side.

A pair of insertion recesses 3 that are continuously opened from the lower side of the case body 2 to the upper end of the case body 2 are formed on the back side of the case body 2 with a predetermined interval in the left-right direction. A cylindrical member 4 is fitted into the left and right insertion recesses 3.
The tubular member 4 is a bottomed member having a predetermined thickness formed of a flexible cloth or the like, and can be applied to the lower limbs L of various shapes. The cylindrical member 4 has horizontal portions in the middle of the foot in the longitudinal direction (arch arch A), toe upper surface F (the surface of the toe T to the instep K), and the toe lower surface U (the back of the toe T). ) And the part facing in the vertical direction covers the rear part (踵 H) to calf C of the foot.

In addition, since the cylindrical member 4 is provided on the back side of the case body 2, the user has a structure in which the lower limb L is inserted from the rear upper side (back upper side) of the cylindrical member 4 toward the front lower side.
On the back side of the tubular member 4, a cut portion 5 that facilitates attachment / detachment of the lower limb L is formed long from the upper end to the lower end along the insertion direction (vertical direction) of the lower limb L.
As shown in FIGS. 2 to 4, the base frame 6 is a member that supports the foot massage mechanism 29, the treatment member 18, and the drive unit 13 described later. The base frame 6 includes a flat plate 7 that can be installed on the upper surface of the bottom 2a of the case body 2, and a support member 9 that rotatably supports a first rotating shaft 14 that transmits the rotational driving force of the driving unit 13 to the treatment member 18. have. The base frame 6 may be formed integrally with the bottom 2a of the case body 2.

The flat plate 7 is formed with a pair of left and right cutouts 8 for preventing interference with a rotating third massage member 34 (details will be described later).
A pair of support members 9 are provided so as to protrude upward from both ends of the flat plate 7 in the width direction. A first support portion 10 that rotatably supports the first rotation shaft 14 is provided on the upper portion of the support member 9. The first support portion 10 is provided at a predetermined height from the flat plate 7. That is. The first support portion 10 supports the treatment member 18 so as to float in the air inside the case body 2.

A bearing (bearing) is fitted into the first support portion 10, and both ends of the first rotating shaft 14 are rotatably supported by the bearing. Moreover, the 1st fixing member 12 which fixes the both ends of the 1st rotating shaft 14 rotatably is attached to the 1st supporting part 10 so that the 1st rotating shaft 14 may not drop from the 1st support part 10. It has been.
A second support portion 11 that rotatably supports a second rotating shaft 39 (details will be described later) is provided in the middle in the vertical direction of the support member 9.

The drive unit 13 includes a first rotation shaft 14 that is disposed with its axis oriented in the left-right direction, a drive motor 15, and a first gear box 17, and is located at the center in the width direction of the first rotation shaft 14. It is arranged slightly behind the center in the front-rear direction (see FIGS. 3 to 5).
The first rotating shaft 14 is located at the center of the base frame 6 in the front-rear direction, from the first support portion 10 of the support member 9 on one end side (left side) of the base frame 6 to the support member on the other end side (right side) of the base frame 6. It arrange | positions so that it may span across the 9 1st support parts 10 in a horizontal direction. The first rotating shaft 14 is on the front side of the treatment members 18 arranged in pairs on the left and right sides, and penetrates each of the lower part (hereinafter referred to as the base end part 19) from the center in the vertical direction. .

A drive motor 15 that rotationally drives the first rotary shaft 14 and a first gear box 17 that decelerates the output of the drive motor 15 are arranged at the center in the width direction of the first rotary shaft 14.
The drive motor 15 has two output shafts 16 and 41, and the two output shafts 16 and 41 are arranged so as to face in the vertical direction. A first gear box 17 is connected to the upper side of the drive motor 15.

  A worm gear and a worm wheel are built in the first gear box 17 so as to be lined up and down. Of the two output shafts 16 and 41 of the drive motor 15, the driving force output from the output shaft 16 (first output shaft) facing upward is decelerated to a predetermined speed by the first gear box 17, and the first The rotary shaft 14 is driven to rotate. A second gear box 40 (details will be described later) is connected to the lower rear side of the drive motor 15.

A pair of treatment members 18 are disposed outside the drive unit 13 in the left-right direction. That is, the treatment members 18 arranged in pairs on the left and right are arranged so as to sandwich the drive unit 13 therebetween.
The treatment members 18 are formed in a shape that is curved along the shape of the calf C from the upper side to the lower side, and a pair of treatment members 18 are disposed so as to be sandwiched from the side of the calf C. The pair of treatment members 18 are respectively provided on the left and right.

  The treatment member 18 is a plate material that is formed such that the base end portion 19 is positioned in front of the upper end portion and the lower end portion in a side view, and is made of a material that can be elastically deformed in the thickness direction (for example, plastic). is there. The pair of treatment members 18 performs a massage operation such that the calf C is sandwiched. In addition, a gap 20 (hole) for escape of the ridge is formed on the substantially rear side of each base end portion 19.

Moreover, the annular fitting part 24 in which the conversion part 21 which the 1st rotating shaft 14 penetrates is formed in the base end part 19 of each treatment member 18 is formed.
The conversion unit 21 converts the rotational driving force of the first rotation shaft 14 into a massage operation for pinching the calf C by the treatment member 18. Note that the configuration of the conversion unit 21 is the same on the left and right, and therefore will be described by focusing on the conversion unit 21 on the left end side.

The conversion part 21 includes a rotary boss part 22 fixed so as to rotate integrally with the first rotary shaft 14, and an annular fitting part 24 that is externally fitted to the rotary boss part 22 in a relatively rotatable state via a bearing. And a restricting portion 25 that restricts the annular fitting portion 24 from rotating around the rotating boss portion 22.
The rotating boss portion 22 is a disk-shaped member provided so that the first rotating shaft 14 is in a penetrating state, and an endless track (cam surface 23) is formed on the outer peripheral surface thereof. The cam surface 23 is provided so as to be inclined with respect to the axis of the first rotating shaft 14. An inner race of a bearing is fitted into the cam surface 23.

  The annular fitting portion 24 is an inner peripheral edge of an opening formed in the base end portion 19 of the treatment member 18, and the opening has a diameter substantially the same as or slightly larger than the size of the rotating boss portion 22. . That is, the annular fitting portion 24 is substantially annular when viewed from the side, is integrally formed with the base end portion 19 of the treatment member 18, and is fitted on the outer race of the bearing fitted on the cam surface 23. Due to such a structure, the rotating boss portion 22 and the annular fitting portion 24 are relatively rotatable.

As the rotating boss portion 22 is rotated by the rotation of the first rotating shaft 14, the annular fitting portion 24 that is externally fitted to the cam surface 23 rotates along the rotation path of the cam surface 23, and a pair of treatments are performed. The member 18 has a swinging motion in which the member 18 approaches and separates in the left-right direction.
The restricting portion 25 includes a columnar restricting protrusion 26 that is provided on the front side of the annular fitting portion 24 (the base end portion 19 of the treatment member 18) and projects forward, and a restricting piece 27 that extends in the left-right direction. ing. The regulating piece 27 is formed with a sliding guide groove 28 that is open at the rear and extends to the left and right. The restricting protrusion 26 is inserted into the sliding guide groove 28 of the restricting piece 27 and is slidable in the left-right direction. The regulation protrusion 26 slides left and right in a sliding guide groove 28 provided on the regulation piece 27 so that the treatment member 18 and the first rotation shaft 14 do not rotate.

Now, on the bottom 2a of the case body 2, that is, the upper surface of the flat plate 7 of the base frame 6, the foot massage mechanism 29 of this embodiment is provided.
In addition, in the following description, since the structure of the foot massage mechanism 29 is the same on the left and right, in the structure of the foot massage mechanism 29, the structure on the left side that performs the massage operation on the left foot of the user is used. Focus on the explanation. Therefore, the description of the configuration on the right side of the foot massage mechanism 29 is the same as the configuration on the left side, and is therefore omitted.

  As shown in FIGS. 2 to 5, the foot massage mechanism 29 includes a first massage member 30 that massages the user's foot top surface F (the surface of the toe T to the top of the foot K), and the foot bottom surface U. It has the 2nd massage member 32 which massages (toe T back surface part), and the drive part 13 which generates massage operation | movement. Further, the foot massage mechanism 29 has a third massage member 34 that massages the center of the sole in the longitudinal direction (arch A) and a fourth massage member 37 that massages the rear part (heel H) of the sole. .

In addition, the drive unit 13 causes the first massage member 30 and the second massage member 32 to move together and swings so as to approach and separate from each other to generate a massage operation and drive the third massage member 34. The massage action is generated.
That is, the drive unit 13 swings the first massage member 30 so as to move away from and close to the second massage member 32, and causes the first massage member 30 and the second massage member 32 to work together to perform a massage operation. Is generated.

In the present embodiment, the fourth massage member 37 is a support base that is fixed and deployed at a position that is behind the base frame 6 and that corresponds to the heel H. A fourth treatment element 38 having a plurality of protrusions is provided on the upper surface of the support base.
The drive unit 13 includes a second rotation shaft 39 provided with its axis oriented in the left-right direction, a drive motor 15 that drives the second rotation shaft 39, and an output of the drive motor 15 that decelerates the second rotation shaft 39. The second gear box 40 that transmits to the first rotation portion 39, the first driving portion 42 that converts the rotational driving force of the second rotating shaft 39 into a swing motion and transmits it to the first massage member 30, and the rotation of the second rotating shaft 39. A second converter 57 that converts the driving force into a swinging motion and transmits the driving force to the second massage member 32;

  As shown in FIGS. 3 to 5, the second rotating shaft 39 extends from the second support portion 11 of the support member 9 on one end side (left side) of the base frame 6 to the base frame 6 at the center in the front-rear direction of the base frame 6. It arrange | positions so that it may span over the 2nd support part 11 of the support member 9 of the other end side (right side) of this. That is, the center of the second rotating shaft 39 is rotatably supported by the second gear box 40, and both ends thereof are rotatably supported by the support members 9 that are erected from the base frame 6 (bottom 2a). It is supported.

The 2nd support part 11 is provided below from the up-and-down direction middle part of support member 9, and supports the 2nd axis of rotation 39 rotatably. A bearing (bearing) that rotatably supports the second rotating shaft 39 is fitted into the second support portion 11. That is, the 2nd support part 11 is supporting the both ends of the longitudinal direction of the 2nd rotating shaft 39 rotatably via a bearing.
In addition, the second support member 11 is attached with a second fixing member 72 that rotatably fixes both ends of the second rotation shaft 39 so that the second rotation shaft 39 does not fall off from the second support portion 11. It has been.

  Further, in the vicinity of the inner side (right side) of the support member 9 in the left-right direction, at the left end portion of the second rotation shaft 39, the rotational driving force of the second rotation shaft 39 is converted into the swing motion of the first massage member 30. A first conversion unit 42 is provided. The first connecting piece 54 (first massage member 30) attached via the first conversion part 42 is fixed so as not to rotate relative to the second rotation shaft 39.

A second gear box 40 is disposed in the center of the second rotation shaft 39 in the axial direction and in the center of the base frame 6 (bottom 2a).
Inside the second gear box 40, a worm gear and a worm wheel are arranged vertically. An electric motor is connected to the upper rear side of the second gear box 40.

The electric motor is an electric motor provided with two output shafts 16 and 41, and is arranged in a state where the lower output shaft 41 (second output shaft) is substantially suspended. Of the two output shafts 16, 41 of the drive motor 15, the driving force output from the second output shaft 41 is decelerated to a predetermined speed by the first gear box 17 and rotationally drives the second rotating shaft 39.
A second converter that converts the rotational driving force of the second rotary shaft 39 into the swing motion of the second massage member 32 at the center in the axial direction of the second rotary shaft 39 and in the vicinity of the left side of the second gear box 40. 57 is deployed. The second connecting piece 69 (second massage member 32) attached via the second conversion portion 57 is fixed so as not to rotate relative to the second rotation shaft 39.

As shown in FIGS. 3 to 5, a first converter 42 is disposed at the left end of the second rotation shaft 39.
The 1st conversion part 42 is the structure which converts rotation of the 2nd rotating shaft 39 into the rocking | fluctuation motion which the 1st treatment element 31 of the 1st massage member 30 approaches / separates diagonally up and down.
The first conversion portion 42 is provided at the first eccentric boss portion 43 attached in an eccentric state with respect to the second rotating shaft 39 and the base end portion 55 of the first connecting piece 54, and the first eccentric boss portion 43 is removed from the first conversion portion 42. And a first annular fitting portion 48 to be fitted.

The first eccentric boss portion 43 is disposed at the left end portion of the second rotation shaft 39 and is fitted to the second rotation shaft 39 so as not to rotate relative to the second rotation shaft 39. The first eccentric boss portion 43 is a member formed in a substantially flange shape, and is coaxial with the disk member 44 arranged in an eccentric state with respect to the second rotation shaft 39 and the axis of the second rotation shaft 39. It is comprised with the cylindrical member 46 arrange | positioned on the center.
The disk member 44 is a member that rolls along the inner peripheral surface 50 of the first annular fitting portion 48 by the rotation of the second rotation shaft 39. The disk member 44 is formed with a hole 45 having an axial center different from the central axis of the disk member 44 and facing the horizontal direction on a horizontal plane.

  On the other hand, the cylindrical member 46 is a member provided so as to protrude further inward from the surface facing the inner side (right side) of the disk member 44 with the axial center on the horizontal plane and facing the left-right direction. The hole 45 of the cylindrical member 46 and the disk member 44 is a through hole 47 that communicates, and the second rotating shaft 39 is inserted through the through hole 47. The cylindrical member 46 is fitted into the hole 35 formed on the left side surface of the third massage member 34 and is rotated with the third massage member 34.

Since the first eccentric boss portion 43 has an axis different from the central axis of the disk member 44 on the disk member 44 side of the through hole 47, the rotation of the first eccentric boss portion 43 is the rotation of the second rotation shaft 39. On the other hand, it has a different orbit (eccentric orbit).
The first annular fitting portion 48 is provided at the left end portion of the second rotating shaft 39 and is provided at the base end portion 55 of the first connecting piece 54. The first annular fitting portion 48 is formed in a substantially annular shape when viewed from the side, and a long hole 49 is formed in the substantially central portion with the axis on the long axis side being substantially horizontal and facing the front-rear direction.

The length of the long axis of the first annular fitting portion 48 is about twice the diameter of the disk member 44. In addition, since the length of this long axis is based on the rocking | fluctuation amount of the 1st massage member 30, it can change suitably at the time of design.
On the other hand, the length of the short axis of the first annular fitting portion 48 is substantially the same as the diameter of the disk member 44 or slightly longer than the length of the diameter. Further, the thickness of the first annular fitting portion 48 is substantially the same as the thickness of the disk member 44. The thickness of the first annular fitting portion 48 is not particularly limited as long as the disk member 44 can be inserted.

The outer peripheral surface of the disk member 44 of the first eccentric boss 43 is in contact with the inner peripheral surface 50 (inner edge surface) of the long hole 49 formed in the first annular fitting portion 48, and along the inner peripheral surface 50. By rolling, the rotation of the second rotating shaft 39 is converted into a swinging motion in the vertical direction and transmitted to the first connecting piece 54. Therefore, the first eccentric boss portion 43 and the first annular fitting portion 48 are relatively rotatable.
A first connection piece 54 that connects the first conversion unit 42 is disposed at the left end of the second rotation shaft 39.

  The first connection piece 54 is an arm-shaped plate material formed so as to extend obliquely upward and forward from the second rotation shaft 39 in a side view, and is a member that connects a first massage member 30 described later. The first connecting piece 54 has a proximal end portion 55 attached to the second rotation shaft 39 so as to be rotatable in an eccentric state, and the first massage member 30 is connected to the distal end portion 56. The 1st massage member 30 connected with the 1st connection piece 54 is set as the structure which rocks | fluctuates by the 2nd rotating shaft 39 rotating.

Specifically, the first connection piece 54 extends so as to protrude obliquely upward and forward from the second rotation shaft 39, and a first annular shape that fits into the first eccentric boss portion 43 at the base end portion 55. A fitting portion 48 is provided. The first connecting piece 54 is arranged such that the tip end portion 56 is positioned above the height of the instep K.
The length (width) in the direction intersecting the longitudinal direction of the first connecting piece 54 is wide, and the first restricting piece 52 constituting the first restricting portion 51 is formed on the wide left side surface. Is provided. In addition, a first massage member 30 that performs a massage operation on the upper surface portion F of the toe T (the surface of the toe T to the upper K of the foot) is connected to the distal end portion 56 of the first connection piece 54.

As shown in FIGS. 3 to 5, the first restricting portion 51 restricts the first connecting piece 54 from rotating along with the rotation of the second rotating shaft 39, and the first restricting piece 52. Is configured to slide up and down in the first restriction groove 53.
The first restricting piece 52 is formed on the left side surface of the first connecting piece 54 in the longitudinal direction. The first restricting piece 52 is a rectangular plate piece, and is provided so that the long side faces the longitudinal direction of the first connecting piece 54.

The first restriction groove 53 is a rectangular gap, and is formed in the middle in the vertical direction of the support member 9. The first restriction groove 53 has a long side facing obliquely upward in the front direction and longer than the long side of the first restriction piece 52, and the short side is substantially the same length as the short side of the first restriction piece 52.
When the first connecting piece 54 swings, the first restricting piece 52 slides (slides) in the first restricting groove 53 in the vertical direction facing the front inclined direction. It is regulated so as not to rotate with respect to the rotation of the rotation shaft 39.

The first massage member 30 performs a swing motion that moves closer to and away from the second massage member 32 by the swing motion of the first connecting piece 54.
The first massage member 30 is provided so as to cover the upper surface of the toe upper surface F (the surface of the toe T to the instep K) and bends inward (right side) from the distal end portion 56 of the first connecting piece 54. It is the formed flat material. This flat plate has a substantially square plane with the lengths of the front and rear sides and the lengths of the left and right sides being substantially equal.

A flexible first treatment element 31 is provided on the lower surface of the flat plate material. The first treatment element 31 has a predetermined thickness and a plane that is substantially the same as the flat plate material or larger than the flat plate material.
That is, since the first massage member 30 is swingable in the vertical direction and is movable in the front-rear direction, the planar first treatment element 31 is placed on the entire upper surface portion F of the toe. On the other hand, it is possible to give a massage motion such as pushing in.

In this embodiment, although the 1st treatment element 31 is made into the planar member, you may employ | adopt the some processus | protrusion in which the front-end | tip was hemispherical and made convex shape upward. In the case of protrusions, they may all have the same height, or may have different heights. That is, the shape and number of the first treatment elements 31 are not particularly limited because they can be changed by the massage operation to be applied.
Now, as shown in FIGS. 3 to 5, a second conversion unit 57 is disposed slightly on the right side of the center of the second rotation shaft 39, that is, on the left side of the second gear box 40.

The 2nd conversion part 57 is the structure which converts rotation of the 2nd rotating shaft 39 into the rocking | fluctuation motion which the 2nd treatment element 33 of the 2nd massage member 32 approaches / separates diagonally up and down.
The second conversion portion 57 is provided at the second eccentric boss portion 58 attached to the second rotation shaft 39 in an eccentric state and the base end portion 70 of the second connecting piece 69, and the second eccentric boss portion 58 is attached to the outer side of the second conversion boss portion 58. And a second annular fitting portion 64 to be fitted.

The second eccentric boss portion 58 is disposed slightly to the right of the center of the second rotation shaft 39 and is fitted to the second rotation shaft 39 so as not to rotate relative to the second rotation shaft 39. The second eccentric boss portion 58 is a member formed in a substantially flange shape, and is coaxial with the disk member 59 arranged in an eccentric state with respect to the second rotation shaft 39 and the axis of the second rotation shaft 39. It is comprised with the cylindrical member 61 of the center.
The disk member 59 is a member that is fitted on the second annular fitting portion 64 and rotates eccentrically with respect to the rotation of the second rotation shaft 39. The disk member 59 is formed with a hole 60 having an axial center different from the central axis of the disk member 59 and facing the horizontal direction on a horizontal plane.

On the other hand, the cylindrical member 61 is a member provided so as to protrude outward from the surface facing the outer side (left side) of the disk member 59 with the axial center on the horizontal plane and in the left-right direction. The hole 60 of the cylindrical member 61 and the disk member 59 is a communicating through hole 63, and the second rotating shaft 39 is inserted through the through hole 63.
On the outer peripheral surface of the cylindrical member 61, a rectangular piece having a length substantially the same as the axial length of the cylindrical member 61 is provided. In other words, the second eccentric boss portion 58 is provided with a rectangular key 62. The key 62 of the second eccentric boss portion 58 is inserted into and contacted with the key groove of the hole formed in the right side surface of the third massage member 34, so that the second eccentric boss portion 58 and the third massage member 34 are brought into contact with each other. And go around.

Since the second eccentric boss portion 58 has an axis that is different from the central axis of the disk member 59 on the disk member 59 side of the through hole 63, the rotation of the second eccentric boss portion 58 is the rotation of the second rotation shaft 39. On the other hand, it has a different orbit (eccentric orbit). Further, the rotation trajectory of the second eccentric boss portion 58 is different from the rotation trajectory of the first eccentric boss portion 43 (eccentric trajectory).
The second annular fitting portion 64 externally fits the second eccentric boss portion 58 described above, and converts the rotation of the second eccentric boss portion 58 into a swinging motion in the vertical direction. The second annular fitting portion 64 is disposed at the center in the axial center direction of the second rotation shaft 39 and is provided at the base end portion 70 of the second connecting piece 69.

The second annular fitting portion 64 is formed in a substantially annular shape when viewed from the side, and an opening having a diameter substantially the same as the outer peripheral diameter of the second eccentric boss portion 58 is formed in a substantially central portion. Therefore, the second eccentric boss portion 58 and the second annular fitting portion 64 are relatively rotatable.
Now, in the center of the second rotation shaft 39 in the axial center direction, a second connection piece 69 for connecting the second conversion portion 57 is provided.

The second connecting piece 69 is formed of an arm-like plate material that is formed to extend from the second rotating shaft 39 in a substantially horizontal direction and in the front direction in a side view, and connects a second massage member 32 to be described later. It is a member to do.
The second connecting piece 69 has a base end portion 70 attached to the second rotating shaft 39 so as to be rotatable in an eccentric state, and the second massaging member 32 is connected to the tip end portion 71. The second massaging member 32 connected to the second connecting piece 69 is configured to perform a swinging motion as the second rotating shaft 39 rotates.

Specifically, the second connecting piece 69 extends so as to protrude forward from the second rotating shaft 39, and the second annular fitting that fits into the second eccentric boss portion 58 is fitted to the base end portion 70. A portion 64 is provided. The second connecting piece 69 is arranged so that the distal end portion 71 is located below the foot and corresponds to the distal end portion 71 of the foot.
The length (width) in the direction intersecting the longitudinal direction of the first connecting piece 54 is wide and wide, and the second regulation groove 68 is provided on the wide plane. Yes. In addition, the second massaging member 32 that performs a massaging operation on the lower surface portion U of the toes is coupled to the distal end portion 71 of the second coupling piece 69.

As described above, the first connecting piece 54 and the second connecting piece 69 are arranged so that the shaft centers of the second rotating shafts 39 pass through the respective base end portions 55 and 70, and the third massage member 34 (rotation). It is deployed so as to face each other across the roller.
The second restricting portion 65 restricts the second connecting piece 69 from rotating along with the rotation of the second rotating shaft 39, and the second restricting piece 66 is supported by the restricting piece support member 67. And is configured to slide in the second restriction groove 68.

  The second restricting piece 66 is a columnar bar (a restricting rod), and is disposed in a state where the axis is in the horizontal direction and in the left-right direction. That is, the second restricting piece 66 is arranged facing the same direction as the axis of the second rotating shaft 39 so as to span between a pair of second connecting pieces 69 facing each other with the second gear box 40 interposed therebetween. ing. The second restriction piece 66 is fixed to a restriction piece support member 67 that restricts the rotation of the second connecting piece 69 with respect to the rotation of the second rotation shaft 39.

  The restriction piece support member 67 is erected upward from the flat plate 7 of the base frame 6, and is formed in a middle portion in the longitudinal direction of the second connection piece 69, that is, in the second restriction groove 68 formed in the second connection piece 69. It is deployed at the adjacent inner (right) position. A through-hole 73 is formed in the upper part of the restriction piece support member 67 in the horizontal direction and in the left-right direction, and the second restriction piece 66 is fitted into the through-hole 73.

The second restriction groove 68 is a long hole whose long axis faces the front-rear direction in the middle of the second connecting piece 69 in the longitudinal direction. An end portion of the second restriction piece 66 is inserted into the second restriction groove 68 so that the second restriction piece 66 can slide in the front-rear direction.
The length of the short axis of the second restriction groove 68 is substantially the same as the diameter of the second restriction piece 66 or slightly longer than the length of the diameter. Note that the length of the long axis of the second restricting groove 68 is based on the swing amount of the swing motion, and can be changed as appropriate when designing.

When the second connecting piece 69 swings, the outer peripheral surface of the second restricting piece 66 (regulator rod) comes into contact with the inner peripheral surface of the second restricting groove 68 (long hole) and slides along the inner peripheral surface. Since it slides, the second connecting piece 69 is regulated so as not to rotate with respect to the rotation of the second rotating shaft 39.
Thus, the second connecting piece 69 is supported by the restricting piece support member 67 and slides in the second restricting groove 68, whereby the second connecting piece 69 rotates about the second rotation shaft 39. To regulate. The restriction piece support member 67 supports the restriction rod so that it does not fall off from the second restriction groove 68.

The second massage member 32 performs a rocking motion back and forth or up and down so as to move closer to and away from the first massage member 30 by the rocking motion of the second connecting piece 69.
The second massage member 32 is a flat plate material that is disposed below the foot bottom surface portion U and bent outward (left side) from the distal end portion 71 of the second connecting piece 69. The length of the front and rear sides of the second massage member 32 is shorter than the length of the left and right sides, and the length (width) of the left and right sides is substantially the same as the width of the foot.

On the upper surface of the second massage member 32, there is a projection (second treatment element 33) that imparts a massage operation to the back surface of the toe T (toes) and whose tip is hemispherical and convex upward. Several are provided.
That is, since the second massage member 32 is swingable in the vertical direction and is slidable in the front-rear direction, a plurality of protrusions (second treatment elements 33) are formed on the lower surface portion U of the foot. On the other hand, it is possible to give a massage motion such as pushing in.

In addition, in this embodiment, although the height of the 2nd treatment element 33 is varied, respectively, you may make all the same height. That is, the shape and number of the second treatment elements 33 are not particularly limited because they can be changed by the massage operation to be applied.
By the way, the third massage member 34 is disposed between the first massage member 30 and the second massage member 32 on the outer peripheral surface of the second rotation shaft 39.

  The third massage member 34 is a rotating roller that is fitted in a second rotating shaft 39 whose axis is on a horizontal plane and faces in the left-right direction, and that has a protrusion (third treatment element 36) on the outer peripheral surface. . That is, the third massage member has a rotation roller that fits integrally with the second rotation shaft 39 and that imparts massage to the center in the longitudinal direction of the sole (the arch A of the sole) on the outer peripheral surface. The rotating roller is a cylindrical member, and is formed of, for example, hard resin.

As shown in FIGS. 2 to 5, the third massage member 34 has a long second rotary shaft 39 penetrating through the inside thereof, and the third massage member 34 and the second rotary shaft 39 are the same. It is designed to rotate around the axis.
Specifically, the third massage member 34 has an outer diameter that can support the foot arch A in a surface contact manner, and has an outer peripheral surface that is concentric or eccentric with the second rotation shaft 39. The outer peripheral surface is provided with a plurality of protrusions (third treatment elements 36) having different shapes from each other at intervals in the circumferential direction and the axial direction of the second rotation shaft 39.

For example, one protrusion is a pair of members that protrude greatly in the radial direction and whose end portions are formed in a semicircular arc shape, and it is possible to apply a pressure massage that strongly presses at predetermined intervals. . Moreover, the other protrusion protrudes small in the radial direction, and it is possible to apply a pressure massage that is weakly acupressured.
In other words, the third massaging member 34, which is provided with a plurality of protrusions each having a different shape and is fixed to the second rotating shaft 39, rotates together with the rotating operation of the second rotating shaft 39. Can be applied. Further, the third massage member 34 rotates in conjunction with the first massage member 30 and the second massage member 32 when the above-described swinging motion is repeated. In addition, about the shape and number of the 3rd treatment elements 36, since it can change with the massage operation | movement to provide, there is no limitation in particular.

  The fourth massage member 37 is provided behind the third massage member 34 so as to protrude upward from the rear end of the base frame 6. The fourth massage member 37 is a flat plate that is provided below the heel H and has an upper portion bent in the forward direction. A plurality of protrusions (fourth treatment elements 38) having a hemispherical tip and convex upward are provided on the upper surface of the flat plate material.

In the present embodiment, the heights of the fourth treatment elements 38 are all the same, but the heights may be different from each other. That is, the shape and number of the second treatment elements 33 are not particularly limited because they can be changed by the massage operation to be applied.
In summary, the foot massage mechanism 29 of the present embodiment moves the first massage member 30 that massages the upper surface portion F of the foot and the second massage member 32 that massages the lower surface portion U of the foot to the upper and lower sides. It is arranged so as to face each other (to be covered with the toe T), and the first massaging member 30 and the second massaging member 32 are interlocked and swung so as to be close to and away from each other to generate a massaging operation. It is the feature to make it.

Furthermore, the third massage member 34 for massaging the longitudinal center of the sole is provided, and the first massage member 30 to the third massage member 34 are simultaneously linked together to generate a massage operation. With this configuration, it is possible to simultaneously apply a massage operation to the top surface portion F, the bottom surface portion U of the foot, and the arch A.
In addition, the foot massage mechanism 29 is good also as a structure which makes the 1st massaging member 30, the 2nd massaging member 32, and the 4th massaging member 37 interlock | cooperate simultaneously, and generate | occur | produces a massaging operation | movement. It is good also as a structure which synchronizes all the 4 massage members 37 simultaneously, and generate | occur | produces a massage operation | movement.

Further, in the foot massage mechanism 29 of the present embodiment, the first annular fitting portion 48 of the first conversion portion 42 is a long hole 49, and along the inner peripheral surface 50 (inner edge surface) of the long hole 49, Another feature is that the one eccentric boss 43 is configured to roll. With this configuration, the first treatment element 31 is subjected to acupressure while facing from the front side to the rear side along the instep K (foot top surface portion F) from the surface of the toes that are inclined obliquely downward toward the front. It is possible to give such a massage operation.
[Mode of operation]
Below, the operation | movement aspect of the foot massage mechanism 29 of this embodiment is demonstrated.

6 and 7 show the massage operation of the foot massage mechanism 29 of the present embodiment.
First, the user inserts the left and right lower limbs L into the tubular member 4 of the lower limb massage machine 1 in a stopped state. If it does so, it will be in the position where the toe upper surface part F (the surface of the toe T-the instep K) will contact the 1st massage member 30, and the toe lower surface part U will be in the position which contacts the 2nd massage member 32, and it is arch-shaped. The arch arch A (the sole in the center in the longitudinal direction) is in a position where it abuts on the third massage member 34 (rotating roller), and the sole on the heel H side is in a position where it abuts on the fourth massage member 37.

Next, when the electric motor of the drive unit 13 is operated in a state where the user's lower limb L is fitted in the cylindrical member 4, the second output shaft 41 is rotationally driven via the second gear box 40.
Accordingly, the third massage member 34 attached to the second rotation shaft 39 rotates around the second rotation shaft 39 and the first eccentric boss portion 43 (the first eccentric boss portion 43 disposed on the left side of the third massage member 34). 1 conversion part 42) and the 2nd eccentric boss | hub part 58 (2nd conversion part 57) arrange | positioned at the right side of the 3rd massage member 34 also rotate.

  At this time, the first connecting piece 54 disposed on the left side of the third massage member 34 has the second eccentric boss portion 43 that rolls in the first annular fitting portion 48 (long hole 49). Trying to rotate around the rotation axis 39. Moreover, since the 2nd eccentric boss | hub part 58 is slidably fitted by the 2nd annular fitting part 64, the 2nd connection piece 69 arrange | positioned at the right side of the 3rd massage member 34 is 2nd rotating shaft. Try to go around 39.

However, the first restricting piece 52 provided in the first connecting piece 54 is slidably fitted in the first restricting groove 53 formed in the support member 9, that is, by the first restricting portion 51. The 1st massage member 30 which is going to rotate around the 2nd rotating shaft 39 is controlled.
Further, the second restriction piece 66 (restriction rod) supported by the restriction piece support member 67 is slidably fitted in the second restriction groove 68 formed in the second connection piece 69, that is, The second restricting portion 65 restricts the second massage member 32 that tries to rotate around the second rotation shaft 39.

  The first connecting piece 54 facing obliquely upward in the front has the base end portion 55 around the second rotation shaft 39 when the first eccentric boss portion 43 rolls in the long hole 49 (first annular fitting portion 48). Will start to rotate eccentrically. Since the front end portion 56 of the first connecting piece 54 is restricted from being rotated around the second rotation shaft 39 by the first restricting portion 51, the crank motion is changed to the swing motion by the first annular fitting portion 48. Converted.

  In addition, the second connecting piece 69 facing substantially in the horizontal direction and in the front-rear direction has the base end portion 70 about the second rotation shaft 39 as the second eccentric boss portion 58 rotates eccentrically about the second rotation shaft 39. It starts to rotate eccentrically. Since the distal end portion 71 of the second connecting piece 69 is restricted from being rotated around the second rotation shaft 39 by the second restricting portion 65, the crank motion is changed to the swinging motion by the second annular fitting portion 64. Converted.

  As shown in FIG. 6, when the first connecting piece 54 whose base end portion 55 is connected to the second rotating shaft 39 moves obliquely forward and upward due to the rotation of the second rotating shaft 39, the first massage member 30 is also moved. Swings upward and obliquely upward. Further, since the second connecting piece 69 having the base end portion 70 connected to the second rotating shaft 39 moves obliquely downward in the forward direction by the rotation of the second rotating shaft 39, the second massage member 32 is also moved obliquely downward in the forward direction. Swing. At this time, the inclination angle formed by the first connecting piece 54 and the second connecting piece 69 is an open angle. That is, the first massage and the second massage are far away from each other, and the toes T and the instep K are separated.

  As shown in FIG. 7, when the first connecting piece 54 moves rearward and obliquely downward by the rotation of the second rotation shaft 39, the first massage member 30 also swings rearward and obliquely downward. Further, since the second connecting piece 69 moves rearward and obliquely upward due to the rotation of the second rotation shaft 39, the second massage member 32 also swings rearward and obliquely upward. At this time, the inclination angle formed by the first connecting piece 54 and the second connecting piece 69 is a narrowed angle. That is, the first massage and the second massage are close to each other, and the toes T are sandwiched from above and below.

From the above, the first massaging member 30 is arranged so that the first treatment element 31 is close to and away from the toe upper surface part F above the toe upper surface part F (the surface of the toe foot to the instep K). By swinging, a massaging (acupressure) massage operation that pushes the foot top surface portion F downward from above is applied.
The second massage member 32 swings simultaneously with the massage operation of the first massage member 30 so that the second treatment element 33 is close to and away from the foot bottom surface U under the foot bottom surface U. By doing so, a massaging (acupressure) massage operation that pushes upward from below to the lower surface portion U of the toes is applied.

The third massage member 34 imparts a press massage operation to the arch A of the foot by rotating the plurality of first treatment elements 31 (projections) around the second rotation shaft 39.
In summary, the foot massage mechanism 29 of the present invention is not a simple swing motion, but the first massage member 30 and the second massage member 32 swing so as to approach and separate, and the third massage member 34 A configuration that rotates around two rotation shafts 39, that is, a device configuration in which three massage members simultaneously and repeatedly perform a massage operation on each treatment site (foot top surface portion F, foot to bottom surface portion U, arch A). Therefore, various massage operations can be applied to the upper surface (front surface) and the lower surface (back surface) of the user's feet, and at the same time, the massage operation can be applied to the entire foot.

  Further, the foot massage mechanism 29 of the present invention is mechanically operated and massaged in place of the airbag that inflates and contracts to a position corresponding to the toe upper surface F and the toe lower surface U to perform the massage operation. Since the first massage member 30 and the second massage member 32 are provided, the user's foot is more effective and more effective than the inflatable airbag. It is possible to apply various massage operations to the front part, such as a massage operation to understand.

In addition, about the operating method of the treatment member 18, since what is disclosed by Unexamined-Japanese-Patent No. 2015-123324 etc. is mentioned, description is abbreviate | omitted.
By the way, it should be thought that embodiment disclosed this time is an illustration and restrictive at no points. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

  For example, in the description of the foot massage mechanism 29 of the present embodiment, the device configuration in which the first massage member 30, the second massage member 32, and the third massage member 34 are linked together is described as an example. The device configuration in which the member 30, the second massage member 32, and the fourth massage member 37 are all linked may be used, or the device configuration in which all of the first massage member 30 to the fourth massage member 37 are linked together is also possible. Good.

In other words, the first massage member 30 and the second massage member 32 are both interlocked to swing so as to be close to and away from each other, and at least one of the third massage member 34 and the fourth massage member 37 is driven. The present invention is not limited to the apparatus configuration described in the above embodiment.
In addition, the mechanism of the present invention is a technique that can be employed in a massage mechanism for various treatment sites of the user. The lower limb massage machine 1 illustrated in the embodiment is an example, and the foot massage mechanism 29 of the present invention can be deployed in various lower limb massage machines. The illustrated lower limb massage machine 1 can also be provided so as to be used as a footrest by being provided in front of the seat portion of the chair type massage machine.

  Moreover, although the member which massages a user's foot upper surface part from upper direction was illustrated as a 1st massage member, it is not limited to it, As shown to Unexamined-Japanese-Patent No. 2001-286520, a foot tip is shown from right and left sides. There is no problem even if it is a sandwiched massage member.

1 Lower limb massage machine 2 Case body (casing)
2a Bottom part 3 Insertion recessed part 4 Cylindrical member 5 Cut part 6 Base frame 7 Flat plate 8 Notch 9 Support member 10 First support part 11 Second support part 12 First fixing member 13 Drive part 14 First rotating shaft 15 Drive motor 16 First 1 output shaft (upper side)
17 First gear box 18 Treatment member 19 Base end portion 20 Gap portion 21 Conversion portion 22 Rotating boss portion 23 Cam surface 24 Annular fitting portion (opening portion)
25 restricting part 26 restricting projection 27 restricting piece 28 sliding guide groove 29 foot massage mechanism 30 first massage member 31 first treatment element 32 second massage member 33 second treatment element 34 third massage member (rotating roller)
35 hole portion 36 third treatment element 37 fourth massage member 38 fourth treatment element 39 second rotation shaft 40 second gear box 41 second output shaft (lower side)
42 1st conversion part 43 1st eccentric boss | hub part 44 Disk member 45 Hole part 46 Cylindrical member 47 Through-hole 48 1st cyclic | annular fitting part 49 Long hole 50 Inner peripheral surface (inner surface edge)
51 First restriction portion 52 First restriction piece 53 First restriction groove 54 First connection piece 55 Base end portion 56 Tip portion 57 Second conversion portion 58 Second eccentric boss portion 59 Disk member 60 Hole portion 61 Cylindrical member 62 Key 63 Through hole 64 Second annular fitting portion 65 Second restricting portion 66 Second restricting piece (regulating rod)
67 restriction piece support member 68 second restriction groove 69 second connection piece 70 base end portion 71 distal end portion 72 second fixing member 73 through hole L lower limb C calf K foot top surface portion (surface of toe foot to instep)
U Toe underside (back of the toe)
T toe K instep A arch heel H

Claims (6)

A first massage member that massages the upper surface of the user's feet, and a second massage member that massages the lower surface of the feet of the user;
A drive unit that causes the first massage member to swing and move away from and close to the second massage member, and that causes the first massage member and the second massage member to move together to generate a massage operation. Characteristic foot massage mechanism. Having at least one of a third massage member for massaging the longitudinal center of the user's sole and a fourth massage member for massaging the rear portion of the user's sole;
The first massage member and the second massage member are interlocked and swung so as to approach and separate from each other to generate a massage operation, and at least one of the third massage member and the fourth massage member The foot massage mechanism according to claim 1, further comprising a drive unit that drives a massager to generate a massage operation. The drive unit has a rotating shaft that is arranged to face the left-right direction and transmits a rotational driving force,
An arm-shaped first connecting piece formed to extend forward from the rotating shaft is provided;
The first connecting piece has a base end portion that is rotatably attached to the rotation shaft in an eccentric state, the first massage member is provided at a distal end portion, and the rotation shaft rotates. The foot massage mechanism according to claim 1, wherein the first massage member connected to the first connection piece swings up and down. An arm-shaped second connecting piece formed to extend forward from the rotating shaft is provided;
The second connecting piece has a proximal end portion rotatably attached to the rotation shaft in an eccentric state, the distal end portion is provided with the second massage member, and the rotation shaft rotates. The foot massage mechanism according to claim 1, wherein the second massage member connected to the second connection piece swings back and forth or up and down. The third massage member has a rotation roller that fits integrally with the rotation shaft and imparts massage to the center in the longitudinal direction of the sole on the outer peripheral surface. The foot massage mechanism according to any one of the above. The first connecting piece and the second connecting piece are arranged so that the shaft center of the rotating shaft passes through the respective base end portions, and are arranged so as to face each other with the third massage member interposed therebetween. The foot massage mechanism according to any one of claims 1 to 4.

Images