JPS6312628B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention is capable of automatically performing pine surgery by simply pressing the head portion against a desired location on the body, and also generates vibrations depending on the degree of the pressing force. This invention relates to a portable pine surger equipped with a switching mechanism that allows adjustment of the size of the pine needle.

[Prior Art] Conventionally, this type of portable massage device has a vibrating arm that is pivotally supported almost perpendicularly to the grip so that it can be slightly displaced, and a vibration source is built into the tip of the vibrating arm. Attach the head part,
When this head is pressed against a desired location on the body, the mechanical displacement of the vibrating arm is used to turn on a micro switch, energizing the vibration source and automatically starting the pine surge. The present applicant has already filed an application as Utility Model Application No. 1983-20907.

This portable pine surge device only works while you press the head firmly against your body, and when you stop pressing it, the switch turns off and stops automatically.
It has the advantage of not wasting electricity, but since the rotation speed of the vibration source motor is constant regardless of the pressing force, it is not possible to change the strength of the pine surge, and it is difficult to press the head part. There are problems such as the need for relatively strong pressing force.

[Object of the Invention] An object of the present invention is to provide a portable pine surge device that can convert the vibration force depending on the amount of force applied to the head portion, thereby making it possible to arbitrarily adjust the strength of the pine surge. There is a particular thing.

[Summary of the invention] The gist of the present invention for achieving the above object is as follows:
The vibrating arm, which has a head section with a built-in vibration source at its tip, is held at an approximately right angle to the grip section, which has a built-in power supply section, and the connecting section is designed so that the angle can be expanded slightly in stages. and a circuit changeover switch for passing a current from the power source to the vibration source in accordance with the degree of displacement when the angle is displaced in the direction of expansion, and the changeover switch. a spring member that biases the vibration lever in a direction in which the angle becomes smaller so that This is a portable pine surge device characterized by increasing the vibration force of the vibration source.

[Embodiments of the Invention] The present invention will be described in detail based on illustrated embodiments.

FIG. 1 and FIG. 2 show an embodiment of the portable massage device according to the present invention.
The vibrating arm 2, which is substantially perpendicular to the
A head part 3 containing a vibration source is connected to the tip of the head part 3. The vibration source is composed of an electric motor 4 and an unbalancer 5 including an eccentric lever and an eccentric weight attached to the shaft of the electric motor 4. The base of the vibrating arm 2, which is pivotally supported so as to be able to vibrate by a small angle with respect to the grip portion 1, is provided with an oblong shaft hole 6 for pivotally supporting. Also, on the upper part of the grip part 1,
Mounting plate 7 made of a metal plate illustrated in FIG.
is fixed, and a U-shaped bearing part 7a is formed in a part of this mounting plate 7, and a shaft hole 7b bored in this bearing part 7a is aligned with the shaft hole 6 of the vibrating arm 2, and a pivot 9 is inserted therein. The vibrating arm 2 is attached to the grip part 1 by inserting the vibrating arm 2 into the grip part 1. Further, the vibrating arm 2 is always urged in the direction B by the elastic force of the spring member 10, and furthermore, the vibrating arm 2
An arcuate cover 12 made of an insulator and having a movable contact piece 11 made of metal is attached to the base by adhesive or the like. When the head part 3 comes to the position 3a, the contact end of the movable contact piece 11 contacts the contact piece 14a of the changeover switch 13, and when the head part 3 further rotates to the position 3b, the movable contact piece 11 comes into contact with the contact piece 14a of the changeover switch 13. 14a
It comes into contact with the contact piece 14b via the contact piece 14b.

The contact pieces 14a and 14b of the changeover switch 13 are normally open, but a resistor 15 is connected between them, and the contact piece 14b is connected to the earth plate 17 of the battery 16 built in the grip part 1. It is connected to the ground contact piece 18. Movable contact piece 11
One lead wire 19a of the electric motor 4 is connected to the other end.
is connected, and the other lead wire 19b of the electric motor 4 is connected to the battery 16 through the spring member 10 made of conductive metal, the mounting plate 7, and the positive side plate 20.
connected to the positive side of the Under normal conditions,
Due to the elastic force, the vibrating arm 2 is at the position shown by the solid line in FIG. 1, and since the movable contact piece 11 and the contact piece 14a are separated, no current flows from the battery 16 and the motor 4 is stopped.

The changeover switch 13 is attached to a switch attachment portion 7c at the end of the attachment plate 7 with screws 21 via an insulating plate. The spring member 10 is shown in FIG.
As shown in FIG. 6, the lower end of the arcuate cover 12 is pressed on both sides of the connecting portion 10a to which the lead wire 19b is connected to maintain the vibrating arm 2 in the state shown by the solid line in FIG. 1, that is, in the stopped state. Spring piece 1 acting on
0b is provided, and has a base portion 10c that comes into contact with the circular arc portion 7d of the mounting plate 7, and a bulge portion 10d that acts as a two-stage spring.

Further, as shown in FIGS. 3 and 4, the mounting plate 7 includes a U-shaped bearing portion 7a and a spring member 10.
A shoulder portion 7e that contacts the spring piece 10b of the spring member 10, and an arcuate portion 7d that contacts the base portion 10c of the spring member 10.
It has a mounting screw hole 7f and a switch mounting part 7c, and the shaft hole 7b provided in the bearing part 7a is not as large as the shaft hole 6 of the vibrating arm 2, but it has a somewhat larger diameter to provide some margin. .

In use, when the grip part 1 is held in the hand and the pressure point 22 of the head part 3 is pressed against a desired location on the body, the head part 3 is pushed in the opposite direction of arrow B, and the pivot 9 is moved to the position shown by 3a. Rotate around the center. When the head portion 3 reaches the position 3a, the contact end of the movable contact piece 11 contacts the contact piece 14a, and the motor 4
The circuit is closed, the electric motor 4 rotates, and the vibration caused by the unbalancer 5 starts pine surge.

At this stage, since the contact pieces 14a and 14b are open, the current passing through the motor 4 will pass through the resistance 1.
5. It is armed through the ground contact piece 18 and the ground plate 17, and the voltage drops by the resistance, so
The rotational speed of the electric motor 4 is low, for example, about 4000 rpm, resulting in relatively slow vibration.

When the head part 3 is pressed even more strongly against the body, since the shaft hole 6 has an oval shape, the rotation stop point is reached by the cover 23 at the top of the grip part 1 and the vibrating arm 2 while resisting the elasticity of the spring member 10. The head portion 3 rotates until it reaches the contacting S portion, that is, the head portion 3 rotates to the position 3b. In this position, the movable contact piece 11 is moved to the contact piece 14a.
Since the current contacts the contact piece 14b through the contact piece 14b, the current flows directly to the ground side without passing through the resistor 15, and the rotational speed of the motor 4 increases to, for example, about 5800 rpm, resulting in strong vibration. Moreover, the head part 3 is 3
When reaching the position b, the spring member 10 is in the direction of flattening the bulge from the Q direction to the P direction shown in FIG. 5, so the spring member 10 acts strongly as a two-stage spring, and A pine surge is carried out. In this way, depending on the degree of force applied to press the head portion 3, it is possible to make the vibration force strong or gentle.

In the above-described embodiment, the intensity of the vibration force is changed in two steps, but depending on the structure of the changeover switch 13, it is also possible to change the intensity in three or more steps or continuously. Furthermore, in the illustrated case, the vibrating arm 2 is foldable by rotating in a substantially right angle direction about the pivot 9 as indicated by arrow A, but it does not necessarily have to be foldable. In addition, in the embodiment, the mounting plate 7 and the spring member 10 are made of conductive metal plates and are used as an electric circuit, but the lead wire 19b of the motor 4 is directly connected to the positive plate 20 of the battery, etc.
The configuration of the electric circuit can be changed as desired.
It goes without saying that the shapes of the mounting plate 7 and the spring member 10, the mounting location of the changeover switch 13, etc. can be changed as appropriate. In addition, selector switch 1
Depending on the type of switch 3, it is also possible to open and close the changeover switch 13 directly with a part of the vibrating arm 2 without using the movable contact piece 11.
The electrical circuit may be switched using the mechanical displacement of the Furthermore, in the embodiment shown in FIG.
Although the end S of the cover 23 that covers the connecting portion between the grip portion 1 and the vibrating arm 2 is used as the rotation stop point of the vibrating arm 2, it is also possible to provide the rotation stop point by other means.

In the embodiment, the battery 16 is used as the power for the electric motor 4, but it goes without saying that it may be powered by a commercial power source by incorporating an AC/DC conversion adapter into the grip 1.

[Effects of the Invention] As explained above, the portable pine surgery device according to the present invention can perform pine surgery by simply pressing the head part against a part of the body, and can perform pine surgery depending on the degree of pressure applied. to strengthen or
It has the advantage of being able to be weakened and converted freely.

[Brief explanation of the drawing]

The drawings show an embodiment of the portable pine surger according to the present invention, in which Fig. 1 is a side view of the whole with a part cut away, Fig. 2 is a front view thereof, and Fig. 3 is a view of the mounting plate. 4 is a front view thereof, FIG. 5 is a perspective view of the spring member, and FIG. 6 is a front view thereof. 1 is a grip part, 2 is a vibrating arm, 3 is a head part, 4 is an electric motor, 5 is an unbalancer, 6 is a shaft hole, 7 is a mounting plate, 9 is a pivot, 10 is a spring member, 11 is a movable contact piece, 12 is an arc cover, 13 is a changeover switch, 14a, 14b are contact pieces, 15 is a resistor, and 16 is a battery.

Claims (1)

[Scope of Claims] 1. A vibrating arm having a head section with a built-in vibration source at its tip is held at an approximately right angle to a grip section containing a built-in power supply section, and the angle is changed slightly in stages. They are connected via a connecting part so that they can be expanded, and the connecting part has a circuit for supplying current from the power source to the vibration source in accordance with the degree of displacement when the angle is displaced in the expanding direction. a changeover switch; and a spring member that biases the vibration lever in a direction in which the angle becomes smaller so that the changeover switch is always turned off, and the vibration arm expands against the elastic force of the spring member. 1. A portable pine surge device characterized in that the vibration force of the vibration source is increased as the vibration source is displaced in the direction of displacement. 2. According to claim 1, in the connecting portion, in which a pivot for connecting the vibrating arm to the grip portion is fitted into a shaft hole of the vibrating arm, the shaft hole is oval-shaped. Portable pine surge device described.