JPS5916779B2 - Shiatsu device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in an acupressure device that massages a human body by reciprocating an acupressure roller.

Generally, this type of acupressure device has a main body with an open top surface and a cloth stretched over the opening surface, and has a movable support frame holding an acupressure roller inside the main body, and this support frame is driven back and forth by a drive source. As a result, the human body lying on the cloth is massaged with the acupressure roller.

By the way, in the acupressure device having such a configuration, the weight of the human body is applied to the support frame.

Therefore, this weight may prevent the support frame from moving back and forth smoothly and reduce the pine surge effect, so a mechanism is required to reliably transmit the power of the drive source to the support frame.

Conventionally, a chain or a wire has been used as the above-mentioned transmission mechanism.

When chains are used, the power of the drive source can be reliably transmitted to the support frame, but they have the disadvantage that they are much more expensive than wires.

On the other hand, when wires are used, they are cheaper than chains, but when driving a support frame under a large load, they stretch and the tension fluctuates, leading to slippage and making it difficult for the support frame to move smoothly. The disadvantage is that it cannot be driven.

The present invention has been made based on the above circumstances, and an object thereof is to provide an acupressure device that uses a wire as a power transmission mechanism and allows a support frame to move back and forth smoothly.

Hereinafter, one embodiment of the present invention will be described with reference to the drawings.

In the figure, reference numeral 1 denotes a bottomed box-shaped main body having an open top surface and a frame body 1b having a cloth 1a stretched over the open surface.

Inside the main body 1, a pair of rails 2.2 are laid in parallel along the longitudinal direction of the main body 1, and a support frame 3 is provided on the rails 2, 2 so as to be freely movable.

This support frame 3 consists of a pair of supports 4 spaced apart in parallel.
, 4 are connected by elastic plates 5, 5, and a plurality of finger rollers 6 are rotatably provided on the supports 4, 4, and roller shafts 7, 7 are rotatably provided. I support it.

Furthermore, wheels 9 are provided on both sides of the supports 4, 4 to be in contact with the rails 2.2.

Furthermore, a drive source 12 in which a motor 10 and a transmission 11 are integrated is disposed at one end in the longitudinal direction within the main body 1, and an output shaft 14 on which a drive pulley 13 is fitted is connected from the drive source 12.
is projected horizontally.

A driven pulley 15 is provided at the other end of the main body 1 with its axis perpendicular, and a wire 16 is stretched between the driven pulley 15 and the driving pulley 13.

That is, this wire 16 connects the middle part to the drive pulley 1.
3 and a driven pulley 15, and both ends thereof are located within the support frame 3.

Pins 18 , 18 as connecting members having flanges 17 , 17 are fixed to both ends of the wire 16 , and these pins 18 , 18 are connected via a spring 19 .

A first interlocking bar 20 and a second interlocking bar 21 made of hard steel wire are slidably fitted into each of the pins 18, 18 with winding portions 20a, 20a formed at one end thereof.

Each of these interlocking bars 20,21 is guided in a direction opposite to the spring 19, and the other end is connected to the support frame 3.
A receiver protruding from the upper surface of the supports 4, 4 is slidably supported by the parts 22, 22, and this receiver is also supported by the parts 22, 22.
The end protruding from the interlocking bar 20 is bent into an L-shape.
21 is such that the said receiver does not come off from the portion 22.22.

Further, the contact length of the wire 16 with the drive pulley 13 is increased by an auxiliary pulley 23 disposed near the drive pulley 13.

Therefore, the drive source 12 operates and the drive pulley 13
When the wire 16 runs in the direction shown by the arrow in FIG. 3, the support frame 3 is pulled and runs by the first interlocking bar 20, and when the wire 16 runs in the opposite direction, the second interlocking bar The support frame 3 is pulled by 21 and runs.

Therefore, the tension of the wire 16 is not applied directly to the spring 19.

Further, at this time, the elongation of the wire 16 is absorbed by the restoring force of the spring 19 interposed in the wire 16, and the wire 16 is
Since the contact state between the drive pulley 6 and the drive pulley 13 is maintained constant, the support frame 3 can run smoothly.

On the other hand, the rails 2, 2 are provided with a plurality of convex portions 2a at corresponding positions, and the support frame 3, which runs on the rails 2, 2, is formed by the convex portions 2a, that is, the acupressure roller 6. ...is displaced to the upper blade.

As shown in FIG. 5, when the user M lies down on the cloth 1a stretched over the opening surface of the main body 1, the above-mentioned convex portions 2a... 6...
・It is provided at the part corresponding to the neck and foot of the human body so that it can be pressed with uniform force.

Further, a control bar 24 is supported on one inner surface of the main body 1 along the longitudinal direction of the main body 1 by support portions 25 and 25 so as to be slidable at both ends thereof.

This control bar 24 is made of hard steel wire, and has first to third engaging portions 26a, 2 at its longitudinal midway point and at both ends.
6b and 26c are bent so as to protrude in the horizontal force direction.

These engaging portions 26a. 26b and 26c are provided in a protruding manner on the lower surface of one of the supports 4 of the support frame 3, that is, the support 4 located on the drive source 12 side, as shown in FIG. 4, as the support frame 3 travels. drive pin 2
7 and slides.

One end of the control bar 24 located on the driving source 12 side forms an actuating part 28 which is bent into a hairpin shape.
A micro-sinch 29 is disposed facing 8.

Therefore, when the control bar 24 slides, its operating portion 28 turns the microswitch 29 to 0N.
-It is designed to be turned off.

This microswitch 29 is electrically connected to the drive source 12, and this ON-OFF operation causes the motor 10 of the drive source 12 to rotate in forward and reverse directions.

On the other hand, an operation box 30 is provided on one outer surface of the main body 1, and this operation box 30 is provided with a switching mechanism 31.

The switching mechanism 31 includes a switching arm 32 pivotally supported on the operation box 30 and an operating rod 33 having one end fixed to the switching arm 32 and the other end connected to the control bar 24. When the control bar 24 is rotated in the clockwise direction indicated by the arrow in FIG. 2, the control bar 24 is curved and deformed as indicated by the chain line in the figure.

Then, when the control bar 24 is curved and deformed, the central engaging part 26b of the three engaging parts is largely displaced toward the inner surface of one side of the main body 1. Drive pin 2 protruding from the lower surface of one support 4
7 is no longer engaged.

Further, the operation box 30 is provided with a timer 33a for setting the operating time of the drive source 12.

Also, in the main body 1, there are stoppers 34 for preventing the support frame 3 from coming off the rails 2, 2.
, 2, and an elastic material 35 is attached to the inner bottom surface of the main body 1, so that when the fabric 1a is bent, the user's body is moved by the wire. 16 etc., so that it does not hit directly.

Next, the effect will be explained.

First, with the control bar 24 in a curved state, the timer 33
is activated, the drive source 12 is driven, and the support frame 3 is made to travel.

Now, if the drive pulley 13 of the drive source 12 rotates clockwise and the support frame 3 runs in the direction of the drive source 12, the support body 4 on the drive source 12 side of the support frame 3 24, the driving pin 27 protruding from the lower surface of the support body 4 engages with the first retaining part 26a and the control bar is moved. 24 in the direction of the running force of the support frame 3.

Then, the actuating part 2 formed at one end of this control bar 24
8 turns on the micro switch 29 to change the rotation direction of the motor 10 of the drive source 12, so the drive pulley 13
rotates counterclockwise, causing the support frame 3 to travel in the opposite direction.

One support body 4 provided with the drive pin 27 of this support frame 3 is connected to the third retaining portion 26c of the control bar 24.
When the drive pin 27 comes to a position corresponding to , the drive pin 27 engages with the third retaining portion 26c and slides the control bar 24 in the running direction of the support frame 3.

Therefore, the actuating portion 28 of the control bar 24 moves away from the microswitch 29 and turns this microswitch 29 OFF.
Since the rotation direction of the motor 10 is changed again, the support frame 3 runs in the opposite direction.

In this manner, the support frame 3 is configured so that the drive pin 27 protruding from the lower surface of the force support 4 engages with the first retaining portion 26a and the third engaging portion 26c of the control bar 24. distance,
That is, since the main body 1 reciprocates over almost its entire length in the longitudinal direction, the acupressure rollers 6 of the roller shafts 7, 7 held on the support 4°4 move the entire body of the user lying on the cloth 1a. ... will result in pine surge.

In addition, if the travel range of the support frame 3 is to be narrowed, that is, if the user wants to receive the pine surge in only one part of the body, the switching arm 32 of the switching mechanism 31 is rotated counterclockwise, and the operating rod is rotated. When the control bar 33 is slid in the direction of the arrow, the control bar 24 connected to the operating rod 33 is elastically deformed from a curved state to a substantially straight shape.

Then, the drive pin 27 protruding from the lower surface of one of the supports 4 of the support frame 3 engages the second engaging portion 2 of the control bar 24.
5b, so the support frame 3
The driving pin 27 reciprocates in the range where it engages with the first engaging part 26a and the second engaging part 26b or the range where it engages with the second engaging part 26b and the third retaining part 26c. Run.

Therefore, the user can only use the acupressure roller 6 on one part of the body.
You can receive Pine Surge from...

Further, when the support frame 3 is reciprocated over almost the entire length of the main body 1 in the longitudinal direction, the support frame 3 is displaced in the vertical direction by the convex portions 2a .

That is, as shown in FIG. 5, the acupressure rollers 6 are displaced in the vertical direction in accordance with the uneven shape of the back surface of the user lying on the cloth 1a.

Therefore, the acupressure rollers 6 move while pressing against the entire back surface of the user with a substantially uniform force, so that the user's whole body can be massaged well.

Furthermore, when the power of the drive source 12 is transmitted to the wire 16, there is a risk that the wire 16 will stretch and slip between it and the drive pulley 13. Since the spring 19 is interposed, when the wire 16 stretches, the spring 19 contracts by that amount, and this stretch of the wire 16 is absorbed.

Therefore, a constant contact force is always maintained between the wire 16 and the drive pulley 13, so that the support frame 3 can run smoothly.

In addition, one end of the wire 16 is slidably connected to a pin 18.18 provided at both ends of the wire 16, and the other end is supported on the lower surface of the support frame 3 to connect the first and second interlocking bars 20.21.
Therefore, when the wire 16 runs in the direction of the arrow shown in FIG.
is received, and when the wire 16 runs in the opposite car direction, the second
Since the interlocking bar 21 receives the tension of the wire 16, the tension of the wire 16 is not applied directly to the spring 19.

Therefore, the above spring 1? This should not cause damage due to excessive stretching due to the tension of the wire 1-6.

As described above, the present invention provides connecting members at both ends of the wire located on the lower surface side of the support frame, connects both ends to these connecting members, and interposes a spring. A transmission means is provided for transmitting the driving force of the wire to the support frame without applying it to the spring.

Therefore, since the elongation of the wire can be absorbed by the spring, the contact force between the wire and the drive pulley that drives the wire is kept constant, allowing the support frame to move back and forth smoothly.

In addition, since the tension generated in the wire is received by the transmission means and the tension of the wire is not directly applied to the spring, the spring will not be damaged by the tension generated in the wire, which is extremely useful in practice. .

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a longitudinal sectional view, Fig. 2 is a plan view showing the inside of the main body, Fig. 3 is an explanatory drawing showing the connection structure of both ends of the wire, and Fig. 4. is a perspective view showing a drive pin protruding from the lower surface of the support frame;
FIG. 5 is an explanatory diagram showing vertical displacement of the acupressure roller. 1...Main body, 3...Support frame, 6
...Shiatsu roller, 13 ... Drive pulley, 15 ... Driven pulley, 16 ... Wire, 18 ... Pin, 20, 21 ......First and second interlocking bars, 22...The receiver is part.

Claims (1)

[Claims] 1. In a support frame that holds an acupressure roller and is driven by a wire stretched between a drive pulley and a driven pulley, connecting members are provided at both ends of the wire located on the lower surface side of the support frame to connect these. Both ends are connected to the member and a spring is interposed therein, and one end of each of the connecting members is slidable and connected in such a manner that the connecting member engages when tension is applied to the wire and the spring stretches. An acupressure device comprising a first interlocking bar and a second interlocking bar whose other ends extend in directions facing each other, and the other ends of these interlocking bars are connected to the support frame in a manner interlocking with the movement of the interlocking bar. .