JPH08126671A - Roller massaging apparatus - Google Patents

Abstract

PURPOSE: To sufficiently loosen a lesion by massaging, by running a roller for pressing in the direction of reciprocation driven with a motor to hit contact surfaces of the back and hip with a chair while a circular motion is performed during the running or at an arbitrary stop position. CONSTITUTION: Running gears 3 supported on both sides of a box body 2 are meshed with rail-shaped racks 4 to reciprocate the box body on the racks 4 by the rotation of the running gears 3 in an alternate direction and it is stopped at an arbitrary position by the stoppage of the running gears 3. A roller 7 is freely rotatably supported on an arm 6 protruding on both sides of a column 5 supported at the center of the top surface of the box body 2 and made to move in or out vertically by a vertical and one-way rotary motion of the column 5 to perform a circular motion. A massaging apparatus body 1 thus arranged is mounted into chair or a mat to roll the roller 7 in one way to hit contact surfaces of the back and hip thereof and makes the roller perform a circular motion to rub to loosen the lesion by the moving in or out thereof, thereby loosening a desired lesion concentratedly by massaging.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roller massager for sitting and sitting on a chair or lying on a mat and rolling and pressing the roller against the back and hips of a human body.

[0002]

2. Description of the Related Art Heretofore, there has been known a roller massager for rolling a backrest portion, a seat portion or a mat of a chair so as to roll up the back and hips of a human body.

[0003]

However, in the prior art, the roller only reciprocates along one direction, so that a roughly fixed portion is only loosened from a certain direction, and the affected area is sufficiently removed. The reality is that it cannot be loosened.

[0004]

The roller massager of the present invention has been completed in order to solve the above problems, and the invention of claim 1 provides a back surface of a chair or a contact surface of a hip or a mat. A pressing roller is provided on the contact surface of the back or hips so that the roller can be driven in a reciprocating direction on the contact surface by driving a motor and can be circularly moved during the travel or at an arbitrary stop position.

According to a second aspect of the present invention, in the first aspect of the present invention, a solenoid plunger for continuously disconnecting a clutch provided in a power transmission path for transmitting the driving force of the motor to the circular motion of the roller is engaged when the clutch is disengaged. It is configured to be fitted in a concave portion formed in a rotating body that makes circular motion with the roller and prevent the circular motion with the axis of the roller oriented at right angles to the running direction.

According to the invention of claim 3, in the invention of claim 1 or 2, the roller is made of a magnetic material.

According to a fourth aspect of the invention, in the first, second or third aspect of the invention, the number of rotations of the motor is variable.

[0008]

According to the invention of claim 1, the roller is moved in a reciprocating direction so as to make a circular motion, or is stopped at an arbitrary position so as to make a circular motion. Also, it is possible to intensively loosen the desired affected area.

According to the second aspect of the invention, when the roller circular motion is stopped and the roller travels in the reciprocating direction, the axis of the roller is oriented at right angles to the traveling direction, so that the roller has an effect of smoothly rolling.

According to the invention of claim 3, in addition to the effect of loosening the fir by the roller, there is an effect of improving blood circulation by the magnetic force.

According to the invention of claim 4, the running speed and the circular motion speed of the roller can be arbitrarily changed, and more effective massage can be performed.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings.

In FIG. 1, reference numeral 1 denotes a massager main body, in which traveling gears 3 supported on both sides of a box body 2 are engaged with a rail-shaped rack 4 and the traveling gears 3 rotate on the rack 4 in alternate directions. It reciprocates and stops at an arbitrary position by stopping the traveling gear 3, and the roller 7 is freely rotatable on the arms 6 projecting on both sides of the column 5 supported at the center of the upper surface of the box body 2. Supported by the stanchion 5
The roller 7 moves up and down in the vertical direction and the circular motion in the one direction due to the vertical movement of the massager and the rotational movement in one direction. The roller 7 rolls in one direction on the contact surface of the buttocks, makes a circular motion, and also loosens when moving in and out.

FIG. 2 is a front sectional view, in which a variable speed reversible motor 8 is installed in a box body 2, and a first pulley 10 and a second pulley 11 are fixed to an output shaft 9 thereof, and a first pulley 10 is provided. The belt 14 is stretched between the pulley 13 fixed to the first shaft 12 that is passed inside the box body 2.

3 and 4 are side sectional views showing the first shaft 1
The first side with the clutch pawl 18 formed at the left end on the right side of FIG.
The worm gear 15 is supported by a bearing 17 of a column 16 and is fitted therein in a relatively rotatable manner, and on the left side thereof, a key 19 is provided so as to be slidable in an axial direction and relatively non-rotatable around the axis. A clutch 20 having 21 is engaged.

A first solenoid 22 is mounted on the ceiling of the box body 2 above the first worm gear 15 in a state in which a plunger 23 is projected to the left by the bias of a spring 24, and the tip of the plunger 23 is mounted. First worm gear 1
5 and a clutch-shaped arm 25 that straddles the clutch 20 are attached, and when the first solenoid 22 is not excited, as shown in FIG.
The right end of 5 fixes the first worm gear 15 non-rotatably via the brake plate 26, and the clutch 2
0 is held at a position apart from the first worm gear 15 by the biasing force of the weak spring 27 and the strong spring 28.

A worm wheel 29 meshes with the first worm gear 15 and is fixed to the center of the axle 3.
Both ends of 0 protrude to the outside of the box body 2, and the traveling gear 3 is fixed to the protruding end by a key 31.

When the first solenoid 22 is excited while the reversible motor 8 is rotating, as shown in FIG.
3 retracts, the arm 25 moves to the right, and the brake plate 26 separates from the first worm gear 15, and at the same time,
The clutch 20 is pushed by the strong spring 28 to slide on the key 19, the pawl 21 meshes with the clutch pawl 18, the first worm gear 15 rotates, and the worm wheel 29 meshing with the pawl 21 rotates the traveling gear 3 to rotate the rack. Run on 4.

The traveling direction is switched by switching a switch (not shown), or by reversing the rotation direction of the reversible motor 8 when the box body 2 contacts a limit switch (not shown), and the traveling speed can be adjusted reversibly. This is performed by changing the rotation speed of the motor 8.

When the excitation of the first solenoid 22 is released, the state shown in FIG. 3 is restored, the clutch 20 is disengaged, and the brake plate 26 is pressed against the first worm gear 1.
5 stops and the traveling gear 3 also stops.

On the left side of the first shaft 12 in FIGS. 3 and 4, a second worm gear 32 having a clutch pawl 18 formed at the right end is supported by a bearing 17 of a column 16 and is fitted therein in a relatively rotatable manner. At the same time, the claw 2 is provided on the right side of the claw 2 so as to be freely slidable in the axial direction and not relatively rotatable about the axis by the key 19.
The clutch 20 having 1 is engaged.

A second solenoid 33 is mounted on the ceiling of the box body 2 above the second worm gear 32 in a state in which the plunger 23 is projected rightward by the bias of the spring 24, and the tip of the plunger 23 is mounted. To the second worm gear 3
2 is attached to the arm 25 having an inverted U-shape that straddles the clutch 20. When the second solenoid 33 is not excited, the arm 2 is urged by a spring 24 as shown in FIG.
The left end of 5 fixes the second worm gear 32 non-rotatably via the brake plate 26, and the clutch 2
0 is held at a position apart from the second worm gear 32 by the urging of the weak spring 27 and the strong spring 28, and the trochanter 36 pivotally supported on the tip of the plunger 23 is attached to the box body 2.
It is fitted in a recess 35 formed in a disk 37 fixed to the second shaft 34 passed over.

A worm wheel 38 is meshed with the second worm gear 32, and a gear 39 coaxially fixed to the worm wheel 38 is meshed with a gear 41 fixed to the second shaft 34 via a gear 40. An eccentric gear 42 is fixed to the outer side of the shaft 34 protruding outside the box body 2.

As shown in an enlarged view in FIG. 5, a gear 43 is rotatably supported on the upper surface of the box body 2, and a spline shaft 44 is integrally erected at the center of the gear 43, and the female spline 4 is attached thereto.
The support column 5 into which the support column 5 is fitted is supported slidably in the vertical direction, and a collar 46 is formed on the outer periphery thereof, and a hole 47 for loosely passing the support column 5 in the center
A support arm 48 having a pressing plate 49 that forms a groove and presses the collar 46 loosely is passed over, and a stop plate 50 that presses the swing thereof is inserted into a guide hole 51 formed in the ceiling plate of the box 2. ing.

A small gear 51 is rotatably fitted to both ends of the arm 48 and meshes with the eccentric gear 42, and a tension spring 52 is hooked between the small gear 51 and the second shaft 34 so that the small gear 51 is eccentric. It is pressed against the gear 42.

When the second solenoid 33 is excited while the reversible motor 8 is rotating, as shown in FIG.
3 retracts, the trochanter 36 escapes from the concave portion 35 of the disc 37, and the arm 25 moves to the left side.
6 is separated from the second worm gear 32, and at the same time, the clutch 20 is pushed by the strong spring 28 so that the claw 21 slides over the key 19 and the claw 21 meshes with the clutch claw 18 so that the second worm gear 32 rotates and meshes with this. The rotation of the worm wheel 38 causes the eccentric gear 42 to rotate about the second shaft 34 via the gears 39, 40, 41.

Then, due to the meshing of the eccentric gear 42 and the small gear 51, the arm 48 moves up and down together with the support column 5, and the roller 7 also moves in and out vertically.

In order to stop the roller 7 from moving in and out, when the excitation of the second solenoid 33 is released, the plunger 23 moves forward and the trochanter 36 tumbles on the disk 37, and when it enters the recess 35, the arm. 25 moves to the right and clutch 2
When 0 is released, the brake plate 26 pushes the second worm gear 32 to stop it, so that the roller 7 stops moving in and out.

At this time, the trochanter 36 is the concave portion 35 of the disc 37.
The roller 7 is always at the lowermost position because it is in the inside, and the movement of the roller 7 is easy.

The reciprocating motor 8 is used for the moving speed of the roller 7.
It can be changed by the speed of. A third shaft 53 is rotatably supported by a bearing 54 on the upper surface of the box body 2, and a pulley 55 and a reversible motor 8 fixed to the third shaft 53 by a key 57 so as to be relatively slidable in the axial direction. The belt 56 is stretched between the second pulleys 11 fixed to the.

A third worm gear 58 having a clutch pawl 59 formed at the right end of the third shaft 53 is supported by a bearing 54 so as to freely slide and rotate in the axial direction, and a clutch 61 holds a key 60. A strong spring 28 that is slidably fitted through and is provided between the first ring 62 and the strong spring 28.
Is held at a position separated from the third worm gear 58 by a weak spring 27 interposed between the worm gear 58 and the worm gear 58.

A second ring 63 is fixed to the left side of the central bearing 54 of the third shaft 53.

A third solenoid 64 is installed on the upper surface of the box body 2, and a tip of an arm 66 connected to a plunger 65 is hooked on the right side of the second ring 63 to form a brake plate 67.
Is attached.

The plunger 65 is biased in the protruding direction by a compression spring 68 and a tension spring 69, and a rotator 70 axially supported by the tip of the plunger 65 corresponds to an annular wall 71 formed on the upper surface of the gear 43. A recess 72 is formed in the ring wall 71.

A worm wheel 73 is meshed with the third worm gear 58, and a belt 77 is wound around a pulley 75 coaxially fixed to a pulley 74 coaxially fixed to the worm wheel 73 and a gear 76 meshed with the gear 43. .

When the third solenoid 64 is excited while the reversible motor 8 is rotating, the arm 66 moves leftward together with the plunger 65 and the third shaft 53 moves leftward as shown in FIG. At the same time when the brake plate 67 is disengaged from the third worm gear 58, the clutch 61 is pushed to the left by the strong spring 28, so that the third worm gear 5 is released.
The third worm gear 5 meshes with the clutch pawl 59 of No. 8
8 rotates together with the third shaft 53, and the rotation thereof causes the worm wheel 73, the pulley 74, the belt 77, and the pulley 7 to rotate.
5, the spline shaft 44 is transmitted to the gear 43 via the gear 76, and the column 5 having the female spline 45 fitted thereto rotates while the collar 46 is sandwiched between the support arm 48 and the pressing plate 49. The roller 7 circularly moves around the support column 5. The movement direction is switched by switching to the rotation direction of the reversible motor 8.

When the excitation of the third solenoid 64 is released, the plunger 65 advances and the trochanter 70 moves around the ring wall 71 and enters the recess 72, and the plunger 65 further advances, as shown in FIG. As shown, the third shaft 53 moves to the right, the brake plate 67 hits the third worm gear 58, and at the same time the clutch 61 disengages from the third worm gear 58, and the rotation of the third worm gear 58 stops. The circular motion of the roller 7 also stops.

At this time, the trochanter 70 has a recess 72 in the ring wall 71.
The axis of the roller 7 is orthogonal to the traveling direction of the box body 2 because it is fitted to the roller 7, and the roller 7 travels while touching the contact surface.

As described above, in this embodiment, by exciting and deactivating the first solenoid 22, the second solenoid 33 and the third solenoid 64, the roller 7 travels in one direction, moves in and out, and Circular movements are performed individually and in conjunction with each other to loosen the affected area.

When the roller 7 is made of a magnetic material, it also has the effect of improving blood circulation in the affected area.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is a front sectional view.

FIG. 3 is a transverse cross-sectional view of a first solenoid 22 in a non-excited state.

FIG. 4 is a transverse cross-sectional view of a magnetized state of a first solenoid 22.

FIG. 5 is an enlarged front sectional view showing the structure of the roller 7 coming in and going out.

FIG. 6 is a partially cutaway plan view of a non-excited state of a third solenoid 64.

7 is a partially cutaway plan view of a magnetized state of a third solenoid 64. FIG.

[Explanation of symbols]

 3: running gear 4: rack 5: support 7: roller 8: reversible motor 15: first worm gear 22: first solenoid 58: third worm gear 64: third solenoid 65: plunger 43: gear 72: recess

Claims (4)

[Claims] 1. A roller for pressing on a back surface or a back surface of a chair or a back surface of a mat or a back surface of a mat, and running in a reciprocating direction on the contact surface by driving a motor,
A roller massager characterized by being capable of performing circular motion during running or at an arbitrary stop position. 2. A plunger of a solenoid that connects and disconnects a clutch provided in a power transmission path that transmits the driving force of the motor to the circular motion of the roller is formed on a rotating body that circularly moves together with the roller when the clutch is disengaged. The roller massager according to claim 1, wherein the roller massager is configured to be fitted in the recessed portion and prevent the circular movement in a state in which the axis of the roller is oriented at a right angle to the traveling direction. 3. The roller massager according to claim 1, wherein the roller is a magnetic body. 4. The roller massager according to claim 1, wherein the rotation speed of the motor is variable.