JPH05200088A - Vibration type massaging machine - Google Patents

Abstract

PURPOSE:To reduce the quantity of parts for enhancing assembly capability and restraining cost by connecting a head section and a retaining section to each other by means of such a connecting body as cylindrically formed with synthetic resin, and providing a reinforcement body within the connecting body. CONSTITUTION:A retaining section 1 is cylindrically formed with half-split bodies 1a of approximately U-shaped cross section jointed to each other, and houses a control circuit board 11, a power supply switch 12 or the like. Also, a switch knob 13 is mounted on the external surface of the section 1. A head section 2 is constituted of a substrate 2a jointed and fixed to a connecting body 3, a lid body 2b fitted to the forward end of the section 2, a cushion cover 15 pressed to the affected part of a patient and so mounted as to cover the substrate 2a and lid body 2b. A plurality of collar pieces 6 continuous in a peripheral direction are formed on the intermediate external surface of the connecting body 3, and a connecting section 17 coupled to the retaining section 1 is formed at one end of the body 3. Also, another connecting section 18 coupled to the head section 2 is formed at the other end of the body 3. A reinforcement body 4 is made of a rib 4b laid on the internal surface of the body 3 in a direction perpendicular to the lengthwise direction thereof.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hand-held vibrating massaging machine, in which a head and a eccentric weight rotatably driven by the motor are attached to a head portion connected to one end of a grip portion by a connecting body. The present invention relates to a vibratory massage machine equipped with.

[0002]

2. Description of the Related Art Conventionally, in a vibrating massaging machine of this type, which has a motor and an eccentric weight rotatably driven by the motor, a head part connected to one end of a gripping part has a head part. By connecting the gripping part with a coil spring and rotating the eccentric weight with a motor, it is possible to massage the affected part with the head part while holding the gripping part by hand without vibration being transmitted to the gripping part by the connecting body. It is like this.

[0003]

However, these devices require additional parts such as a member for supporting the spring coil, a spring holder for covering the spring coil, and a connecting spring cover,
There are problems that the number of parts is large, the assemblability is poor, and the cost is high.

SUMMARY OF THE INVENTION The present invention is intended to solve the above-mentioned problems, and is intended to provide a vibrating massage machine which has a reduced number of parts, has a good assembling property, and can keep the cost low. is there.

[0005]

According to the present invention, in order to achieve the above object, the head portion 2 vibrates at the tip of the grip portion 1.
A vibrating massager including a head portion 2 and a grip portion 1 are connected by a connecting body 3 formed of a synthetic resin having elasticity in a cylindrical shape, and the inside of the connecting body 3 having a cylindrical shape. The reinforcing body 4 is provided in the.

Further, the connecting body 3 is formed between the inner surfaces facing each other so as to connect the inner surfaces facing each other of the tubular connecting body 3.
The reinforcing rib 4a as the reinforcing body 4 may be installed substantially parallel to the longitudinal direction of the. In addition, the inner cylinder 5 formed in a tubular shape is arranged inside the connecting body 3, and the reinforcing body 4 is formed by the inner cylinder 5, and a gap is provided between the inner surface of the connecting body 3 and the outer surface of the inner cylinder 5. May be provided.

Further, the outer surface of the connecting body 3 may be provided with a plurality of flange pieces 6 continuous in the circumferential direction. Also, the grip 1
A vibrating massaging machine having a vibrating head portion 2 at the tip of, wherein the head portion 2 and the grip portion 1 are coupled by a coupling body 3 formed in a cylindrical shape from an elastic synthetic resin, A motor 7 and an eccentric weight 8 are provided in the head portion 2, and a bearing base 9 for holding a bearing portion of the motor 7 on the side where the eccentric vibrating portion is provided is made of a resin having an ultrahigh specific gravity.

A motor pressing arm 10 for pressing and fixing the motor 7 may be provided so as to project from the bearing base 9.

[0009]

Therefore, the head portion 2 and the grip portion 1 can be coupled only by the coupling body 3, and a member for covering the coupling body 3 is provided at the coupling portion between the head portion 2 and the grip portion 1. It is not necessary, the number of parts can be reduced, the assemblability is good, and the cost can be kept low. Further, the presence of the reinforcing body 4 can prevent the outer surface portion of the connecting body from being partially indented during use so that the connecting body 3 is bent.

Further, the inner cylinder 5 is provided inside the connecting body 3, the reinforcing body 4 is formed by the inner cylinder 5, and a gap is provided between the inner surface of the connecting body 3 and the outer surface of the inner cylinder 5. In this case, depending on the bending rate of the connecting body 3 during massage, the inner cylinder 5 and the connecting body 3 are in contact with each other or the inner cylinder 5 and the connecting body 3 are separated from each other, so that the head to the affected area is reached. The pressing state of the portion 2 can be changed, and the massage effect can be changed.

[0011]

The present invention will be described below in detail based on the illustrated embodiments. As shown in FIG. 1, the vibration type massage machine is mainly composed of a grip portion 1 for holding by hand, a head portion 2 for massaging an affected area, and a connecting body 3 connecting the head portion 2 and the grip portion 1. Is configured.

The grip portion 1 is formed into a cylindrical shape by connecting the half bodies 1a having a substantially U-shaped cross-section to each other, and a control circuit board 11, a power switch 12 and the like are housed inside. The switch knob 13 is provided on the outer surface. A power cord 14 is connected to an end of the grip portion 1, and the power cord 14 is connected to an end of the control circuit board 11 in the grip portion 1.

The head portion 2 is a base body 2a to be fixedly connected to the connecting body 3, a lid body 2b attached to the tip of the base body 2a, and a base body 2a which is pressed against an affected part of a human body.
And a cushion cover 15 attached so as to cover the outer end of the lid body 2b. The cushion cover 15 is fitted to the outer periphery of the base body 2a with the motor 7 installed in the base body 2a, and fixed in this state. Lid 2b with tool 16
The head portion 2 is configured by connecting and fixing the to the base body 2a. Here, the motor 2 and the cushion cover 15 are attached at the same time by connecting and fixing the lid body 2b with the fixing tool 16, so that the head portion 2 can be easily assembled. Reference numeral 30 denotes a ventilation hole formed in the base body 2a.

The connecting body 3 for connecting the head portion 2 and the grip portion 1 is made of a synthetic resin having elasticity, and is formed in a substantially cylindrical shape as shown in FIG. On the outer surface of the intermediate portion in the longitudinal direction of the connecting body 3, a plurality of flange pieces 6 continuous in the circumferential direction are provided adjacent to each other, and one end portion is connected to the end portion of the grip portion 1. A part 17 is formed, and a connecting part 18 to be connected to the end part of the head part 2 is formed at the other end part. In the connecting portion 18 to be connected to the head portion 2, the engaging piece portion 18a is 4
The engaging piece portion 18a is inserted in the base body 2a together with the cutout portion 19 provided in the base body 2a as shown in FIG. 5, and is rotated by 90 ° to hold the motor of the base body 2a. Rotation stop rib 32 by matching with rib 31
The engaging piece portion 18a can be engaged with the inside to connect and fix the connecting body 3 to the head portion 2. The proximal end of the motor 7 arranged in the head portion 2 is fitted into the engaging piece portion 18a of the connecting portion 18 that is inserted and coupled into the head portion 2, and the eccentric weight 8 is attached. The motor shaft 7a is a bearing base 9 arranged in the head portion 2.
It is supposed to be supported by.

A ball bearing 20 attached to the tip of the motor shaft 7a is adapted to be press-fitted and fixed to a bearing base 9, and the bearing base 9 constitutes a lid 2b constituting the head portion 2.
It is adapted to be press-fitted and fixed to the engaging boss 21 provided on the inner surface side of the. Here, the bearing base 9 is formed of a resin having an ultrahigh specific gravity mixed with metal powder or the like, has high vibration resistance, and is provided with a special reinforcing member or the like for the head portion 2.
Even if an eccentric weight 8 having a sufficiently large eccentric weight is used without being provided inside, it can be supported by the bearing base 9. As shown in FIG. 9, a motor pressing arm 10 for pressing the motor 7 whose base end is press-fitted and fixed to the engaging piece portion 18a is projected from the bearing base 9 from three places. The end surface of the motor 7 on the side provided with the eccentric weight 8 is pressed to fix the motor 7 in the head portion 2. Here, the peripheral end surface of the motor 7 and the motor pressing arm 10
A slight gap B is provided between and, and is in a free state in the radial direction of the motor.

The ball bearing 20 supporting the tip of the motor shaft 7a and attached to the bearing base 9 is shown in FIG.
0, as shown in FIG. 11, the outer race 20a is fitted by fitting the outer surface of the outer race 20a so as to abut the fitting portion of the bearing base 9.
The motor shaft 7a is inserted into the bearing hole 20c of 0b. A preload spring 100 such as a coil spring is attached to the motor shaft 7a located between the eccentric weight 8 and the inner race 20b. The preload spring 100 urges the inner race 20b in the direction f in FIG. It has become so. Here, a slight gap is provided between the inner surface of the bearing hole 20c of the inner race 20b into which the motor shaft 7a is to be inserted and the outer surface of the motor shaft 7a. It is slidable in the axial direction of the motor shaft 7a while supporting the motor. As shown in FIG. 13, the ball bearing 20 has a radial gap S formed between the ball 20d arranged between the inner race 20b and the outer race 20a and the outer surface of the inner race 20b or the inner surface of the outer race 20a. Although the inner race 20b is urged outward (direction f in the figure) by the preload spring 100, the balls 20d are attached to the outer surface of the inner race 20b and the outer race as shown in FIG. The inner surface of the ball 20d is kept in contact with the inner surface of the ball 20d without being separated, and the ball 20d and the inner race 20b
Between the outer surface or the ball 20d and the outer race 20
The radial gap S is not formed between the inner surface of a and the ball bearing 20 so that the presence of the radial gap S causes the ball bearing 20 to vibrate and produce abnormal noise or noise when the motor shaft 7a rotates. Is becoming Here, the inner race 20b has the motor shaft 7a with respect to the motor shaft 7a.
Although it is slid in the axial direction of a, it is adapted to rotate with the rotation of the motor shaft 7a in synchronization with the rotation of the motor shaft 7a, that is, it rotates together with the eccentric weight 8. The preload spring 1
No stress other than compressive force such as twisting is applied to 00.

A connecting portion 17 provided at the other end of the connecting body 3 is a rib 2 that engages with a rib 22 provided inside the grip portion 1.
3 are provided adjacent to each other, and the connecting portion 17 is provided with a hole 25 through which the screw boss portion 24 provided in the grip portion 1 is inserted.
2 and 23 are engaged with each other and the screw boss portion 24 is provided in the hole portion 2
5, the screw boss portions 24 are connected to each other by the fasteners 26 so that the connecting portion 17 is connected to the holding portion 1 and the half bodies 1a constituting the holding portion 1 are connected and fixed. There is. In other words, by tightening the fixing tool 26, the assembling of the grip portion 1 and the connecting and fixing of the connecting body 3 can be easily performed. The reinforcing body 4 is provided inside the central portion of the connecting body 3, and when the head portion 2 is pressed against the affected area and a load is applied to the head portion 2, the connecting body 3 having a cylindrical cross section is greatly bent. There is no such thing. In the embodiment shown in FIG.
The reinforcing body 4 is composed of a rib 4b provided on the inner surface in a direction orthogonal to the length direction of the connecting body 3, and a lead wire holding hole 27 is provided at the center of the rib 4b. A lead wire 28, which is led out from the control circuit board 11 and connected to the motor 7, is inserted into the holding hole 27.

FIG. 6 shows another embodiment of the connecting body 3, in which reinforcing ribs 4a are provided on the opposing surfaces so as to be substantially parallel to the longitudinal direction of the connecting body 3. The reinforcing body 4 is constituted by. Here, the spring constant of the connecting body 3 can be changed depending on the position of the reinforcing rib 4a provided between the opposing inner surfaces. That is, assuming that the directions orthogonal to each other as shown in FIG. 7 are the X direction and the Y direction, the spring constants in the X direction and the Y direction can be changed depending on the mounting positions of the reinforcing ribs 4a to be installed, and the head portion is affected by the affected portion. When the massage is performed by pressing down on 2, the spring constant with respect to the load F applied to the head portion 2 can be changed in the X direction and the Y direction, whereby the amplitude of the head portion 2 itself can be changed in the X direction and the Y direction. Since the head amplitude decreases as the spring constant increases, an elliptical head amplitude is obtained as shown in FIG. 7B, and the installation position of the reinforcing rib 4a can be changed. Considering this, by changing the direction of the head part 2 to be pressed against the affected part and selectively using the X direction and the Y direction, it is possible to obtain a desired massage effect. There.

FIG. 8 shows still another embodiment of the connecting body 3, in which the connecting body 3 has a double structure, and the magnitude of the load F applied to the head portion 2 and the spring constant are in two stages. It can be changed. This connection 3
An inner cylinder 5 serving as a reinforcing body 4 formed in a cylindrical shape is provided inside, and a constant gap b is provided between the inner surface of the connecting body 3 and the outer surface of the inner cylinder 5. Inner cylinder 5 is a connector 3
It is supported by a support piece 33 that partially projects from the inner surface of the connector 3, and stopper ribs 34 project from the inner surface of the connecting body 3 at regular intervals. When the load F is small (when the head portion 2 is pressed against the affected area weakly), the bending degree of the connecting body 3 which is an effective spring portion is also small, so that only the inner cylinder 5 has a small spring constant and is soft. The massage can be performed, and when the load F increases, the degree of bending increases, and the outer surface of the inner cylinder 5 and the inner surface of the connecting body 3 come into contact with each other. The spring constant of the inner cylinder 5 is also added, and the connecting body 3 that is an effective spring portion Is hard to bend, the firmness of the bend is maintained, the head part 2 can be pressed strongly against the affected area, and it is possible to massage more strongly, so that a two-step massage feeling can be obtained. ing.

[0020]

As described above, according to the present invention, the head portion and the grip portion can be connected only by the connecting body formed of the synthetic resin having elasticity in the cylindrical shape.
Since it is not necessary to use a member for covering the connecting body at the connecting portion between the head portion and the grip portion, the head portion and the grip portion can be connected only by the connecting body, and the number of parts is reduced. Therefore, the assembling property is good, and the cost can be kept low. Further, since the reinforcing body is provided inside the tubular coupling body, it is possible to prevent the coupling body from being bent due to the presence of the reinforcing body when the outer surface portion of the coupling body is partially dented during use. It is possible to prevent a part of the outer surface of the connecting body from being frequently bent and prevent the connecting body from being partially deteriorated or damaged.

According to the second aspect of the invention,
Since the reinforcing ribs as the reinforcing body are provided between the inner surfaces facing each other so as to connect the inner surfaces facing each other of the tubularly formed connecting body, the reinforcing ribs as the reinforcing bodies are provided between the inner surfaces facing each other. The spring constant of the connecting body can be changed depending on the installation position of the reinforcing ribs to be installed, and the direction of the head part that will be pressed against the affected area is changed in consideration of the installation position of the reinforcing ribs and used properly. As a result, a desired massage effect can be obtained.

According to the third aspect,
Since the inner cylinder formed in a tubular shape is arranged inside the connecting body and the inner cylinder forms the reinforcing body, and the gap is provided between the inner surface of the connecting body and the outer surface of the inner cylinder, the head portion is When performing massage by pressing against the affected area, it is possible to softly massage with the small spring constant of the inner cylinder only when the gap is maintained between the connected body and the inner cylinder. By increasing the pressing force of the part so that the inner cylinder and the connecting body come into contact with each other, the spring constant of the connecting body is also added, the connecting body becomes difficult to bend, the firmness of the bending is maintained, and the head part is kept. It can be pressed firmly against the affected area to give a strong and firm massage.

According to the fourth aspect,
Since a plurality of flange pieces that are continuous in the circumferential direction are provided on the outer surface of the connected body, it is possible to prevent a large gap from being formed between the head portion and the grip portion, and to prevent the head portion and the grip portion from bending when the connected body is bent. It is possible to prevent fingers from being caught in the gaps between them or the skin being pinched during massage.

Further, according to the fifth aspect,
The head and the eccentric weight are provided in the head part, and the bearing stand that holds the bearing part on the side where the eccentric vibration part of the motor is installed is made of resin with ultrahigh specific gravity, so the vibration resistance strength of the bearing stand is improved. Therefore, the eccentric weight having a sufficiently large eccentric weight can be used, and the massage effect can be enhanced without providing a special reinforcing member or the like in the head portion.

According to the sixth aspect,
Since the motor pressing arm for pressing and fixing the motor is provided so as to project from the bearing base, the motor can be fixed by the motor pressing arm at the same time by mounting the bearing base, and the assemblability can be improved. Is.

[Brief description of drawings]

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

FIG. 2 is a partially omitted cross-sectional view showing a connected state of the above-described connected body and a grip portion.

FIG. 3 is an overall perspective view of the above.

4A and 4B show the above-mentioned connected body, in which FIG. 4A is a partially cutaway side view, and FIG. 4B is a front view.

5A and 5B are partial structural views of a head portion to which the above-described connecting body is connected, where FIG. 5A is a partially omitted front view seen from the direction A in FIG. 1, and FIG. It is the front view which saw in the B direction in FIG.

FIG. 6 shows another embodiment of the above connected body,
(A) is a partially broken side view and (b) is a front view.

7 (a) and 7 (b) are explanatory views for explaining the action when the connecting body is elastically deformed.

[Fig. 8] Fig. 8 shows still another embodiment of the above connected body, in which (a) is a sectional view and (b) is a front view.

9A and 9B are views showing a bearing base of the same, in which FIG. 9A is a partially broken side view, and FIG. 9B is a front view.

FIG. 10 is a partial cross-sectional view showing a bearing portion of the above.

FIG. 11 is a partially enlarged cross-sectional view of a portion shown in FIG.

FIG. 12 is a sectional view of a ball bearing showing the same operation.

FIG. 13 is a sectional view showing a radial gap of a ball bearing.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Grip part 2 Head part 3 Connection body 4 Reinforcement body 4a Reinforcement rib 5 Reinforcement rib 5 Inner cylinder b Gap 6 Collar piece 7 Motor 8 Eccentric weight 9 Bearing base 10 Motor pressing arm

Claims (6)

[Claims] 1. A vibrating massaging machine comprising a vibrating head portion at the tip of the grip portion, wherein the head portion and the grip portion are connected by a coupling body formed of an elastic synthetic resin in a tubular shape. A vibrating massage machine, characterized in that it is connected and a reinforcing body is provided inside the cylindrical connecting body. 2. A reinforcing rib as a reinforcing member is provided between inner surfaces of the connecting body, which are formed in a cylindrical shape, so as to connect the inner surfaces of the connecting body, which are opposed to each other, substantially parallel to the longitudinal direction of the connecting body. The vibrating massage machine according to claim 1, which is characterized in that. 3. An inner cylinder formed in a tubular shape is arranged inside the connecting body, a reinforcing body is formed by the inner cylinder, and a gap is provided between the inner surface of the connecting body and the outer surface of the inner cylinder. The vibrating massage machine according to claim 1, wherein 4. The vibrating massage machine according to claim 1, wherein a plurality of flange pieces continuous in the circumferential direction are provided on the outer surface of the connecting body. 5. A vibrating massage machine having a vibrating head portion at the tip of the grip portion, wherein the head portion and the grip portion are connected by a connecting body formed in a tubular shape from synthetic resin having elasticity. A vibrating massage machine, which is connected to the head and includes a motor and an eccentric weight, and a bearing stand for holding the bearing on the side where the eccentric vibrating portion of the motor is provided is formed of a resin having an ultrahigh specific gravity. .. 6. The vibratory massage machine according to claim 5, wherein a motor pressing arm for pressing and fixing the motor is provided so as to project from the bearing base.