JPH0459840B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a vibration device that vibrates by applying an alternating current to an exciting coil.

(Prior Art) Conventionally, as shown in FIG. 2, this type of vibrating device includes a magnet 1 and an excitation body 3 facing the magnet 1 at a predetermined distance and having an excitation coil 2 wound around it. In the vibration device, the magnet 1 is attached to the upper plate 5 via the magnet plate 4, the excitation body 3 is attached to the spring support 7 via the plate spring 6, and the spring support 7 is attached to the lower plate. The applicant has already proposed a vibrating device attached to 8 (Utility Application No. 61-162065).

According to this vibrator, when an alternating current is applied to the excitation coil 2 of the excitation body 3, the excitation body 3 reciprocates up and down to generate vibrations. This vibration is sequentially propagated to the spring support base 7, the lower plate 8, the cushion material 9 interposed between the upper plate 5 and the lower plate 8, the upper plate 5, and the surface material 10 laid on the upper surface of the upper plate 5. do.

(Problems to be Solved by the Invention) In the conventional vibrating device, as described above, the excitation body 3
The vibrations generated in the surface material 1 are transmitted through a large number of members.
0, it was not possible to obtain sufficient vibration in the surface material 10, and the upper and lower plates 5 and 8 were indispensable as mounting members for the magnet 1 and the excitation body 3. However, there was a problem in that the device itself became large.

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, an object of the present invention is to provide a vibrating device that can propagate vibrations efficiently and can be made smaller.

(Means for Solving the Problems) In order to achieve the above object, the present invention includes a magnet, and a freely vibrating excitation body formed by winding an excitation coil and facing the magnet at a predetermined distance. In a vibrating device that generates vibration by applying an alternating current to an excitation coil, the magnet is attached to one surface of a vibrating plate or inside the vibrating plate, and the excitation body is attached to the other surface of the vibrating plate via a vibration propagating member. It is characterized by being installed.

(Function) According to the present invention, when an alternating current is applied to the excitation coil, the excitation body reciprocates toward the magnet. As a result, vibrations are generated in the excitation body, and the vibrations are propagated to the vibration plate via the vibration propagation member.

(Embodiment) FIGS. 1 and 3 show an embodiment in which a vibration device according to the present invention is attached to a bathtub unit.
In the figure, 20 is a bathtub body made of glass fiber reinforced plastic and has a substantially U-shaped cross section, 21 is a support base that surrounds and supports the outer peripheral surface and bottom surface of the bathtub body 20, and 23 is the bathtub body. 20 bottom plate 20a
24 is a vibration device attached to the bottom plate 20a, and 25 is a waterproof speaker attached to the peripheral side plate 20b of the bathtub body 20.

The vibrating device 24 generates vibrations or deep bass sounds, and consists of an excitation body 26 and a magnet 27 as shown in FIG. The excitation body 26 includes an excitation coil 28 and an annular winding rod 2 incorporating the excitation coil 28.
9 and a leaf spring 30 connected to the winding rod 29, the inner peripheral side of the winding rod 29 and the tip of the leaf spring 30 are connected with a rivet 31, so that the winding rod 29 can freely vibrate. ing. Further, a rubber pusher 33 is attached to the inner peripheral surface of the annular mounting fitting 32, and the base end of the leaf spring 30 and the lower end of the vibration frame 34 are respectively attached to the outer peripheral surface of the annular mounting fitting 32. 35 is connected. Also,
The upper end of the vibration frame 34 is screwed onto the lower surface of the bottom plate 20a with a screw 36, and the excitation body 2
6 is propagated to the bottom plate 20a, and the bottom plate 20a constitutes a vibration plate.

The magnet 27 is formed in an annular shape, and there is a gap above the excitation body 26 where the excitation body 26 and the magnetic force mutually influence each other, that is, the bottom plate 20a.
embedded in the top surface.

According to this embodiment, an alternating current is passed through the lead wire 35 from the sound source to the waterproof speaker 25.
When applying a music signal to be output to the excitation coil 28, the excitation body 26 is connected to the magnet 2.
7 vibrates up and down in response to the music signal, and the vibrations are transmitted to the bottom plate 2 through the vibration frame 34.
0a and directly to the body of the bather.
At the same time, the vibrations propagated to the bottom plate 20a are propagated to the hot water in the bathtub body 20 and become wave vibrations.
Massage the whole body. Therefore, the rhythm of the music flowing from the waterproof speaker 25 can be experienced,
It makes bathing more enjoyable, promotes recovery from muscle fatigue, and relieves stress.

Further, both the excitation body 26 and the magnet 27 of the vibrating device 24 are connected to the single bottom plate 2 of the bathtub body 20.
0a, the vibrating device 24 can be miniaturized, and magnetic force massage is also performed by the magnetic force of the magnet 27 embedded in the bottom plate 20a.

FIGS. 4 and 5 show an embodiment in which the vibration device according to the present invention is used as a stage. In the figure, 40 is a stage configuration panel (hereinafter referred to as a panel), 41 is a vibration-proof connecting member that connects each panel 40, and 42 is a support leg that supports the connecting portion of each panel 40. Each panel 40 is made of plywood 43 and a surface material 44 laid on the top surface of the plywood 43, and the plywood 43 is configured as a vibration plate, and the plywood 43 has a magnet 27 of the vibration device 24.
is embedded, and the excitation body 26 is attached to the lower surface via a vibration frame 34.

According to this embodiment, when a music signal is applied to the excitation coil 28 of the vibrating device 24, vibrations that match the rhythm of the music are propagated to the surface material 44, making it possible to enjoy dancing.

FIG. 6 shows an embodiment in which the vibration device according to the present invention is attached to a chair. In the figure, 50 is a vibration plate to which the vibration device 24 is attached, and support legs 52 are attached to the seat part 51a and the back part 51b of the chair body 51.
It is installed through. According to this embodiment,
Each vibrating device 24 can perform pine surges on the gluteus maximus, back muscles, and the like.

FIG. 7 shows another example of the vibration device according to the present invention. That is, 60 is a stage configuration panel (hereinafter referred to as a panel), and 61 is a vibrating device composed of an excitation body 62 and a magnet 63.

A disc-shaped magnet embedding section 64 is integrally molded on the lower surface of the panel 60, and an excitation body mounting section 65 is integrally molded on the lower surface of the magnet embedding section 64, respectively, from synthetic resin. A magnet 63 having an annular magnet plate 63a bonded to its upper surface is embedded in the magnet embedding portion 64. Exciter mounting part 65
A plurality of screw receiving metal fittings 66 are embedded in the circumferential direction in the lower surface of the holder, and a hole 67 is provided in the center of the lower surface.
The excitation body 62 includes an excitation coil 68, a winding rod 69, and a leaf spring 70, similar to the excitation body 26 of the vibrating device 24 described above.
The plate spring 70 is fixed to the excitation body mounting portion 65 with a screw 72 inserted through a presser fitting 71 and screwed into the screw receiving fitting 66. Note that 73 is a rubber bushing that covers the presser metal fitting 71 and fits into the hole 67.

According to this embodiment, vibrations generated in the excitation body 62 are propagated to the panel (vibration plate) 60 via the excitation body mounting portion 65 and the magnet embedding portion 64, which propagate the vibrations. Furthermore, when removing the excitation body 62, the rubber bushing 73 is removed and then the screws 72 are removed, making maintenance easy.

Incidentally, in each of the above embodiments, the case where the vibrating device 24 is attached to a bathtub unit, a stage, or a chair has been explained, but the present invention is not limited to this, and the case where the vibrating device 24 is attached to a bed, a music board, a mattress, etc. will produce the same effect.

(Effects of the Invention) As explained above, according to the present invention, when an alternating current is applied to the excitation coil, vibration is generated in the excitation body, and this vibration is directly transmitted to the vibration plate via the vibration propagation member. propagate. Therefore, there is an advantage that a vibrating device with high vibration propagation efficiency can be obtained. Furthermore, since the magnet and the excitation body are attached to one vibrating plate, there is an advantage that a compact vibrating device can be obtained. Furthermore, since the magnet is mounted on one side of the vibrating plate or inside the vibrating plate, it has the advantage that the magnetic force of the magnet also performs magnetic massaging.

[Brief explanation of the drawing]

Figures 1 and 3 show an embodiment in which the vibration device according to the present invention is attached to a bathtub unit.
The figure is a sectional view of a bathtub unit, FIG. 2 is a sectional view showing a conventional vibrating device, FIG. 3 is a sectional view showing the installed state of the vibrating device, and FIGS. Fig. 4 is a perspective view of the stage, Fig. 5 is a sectional view showing how the vibrating device is attached, and Fig. 6 is an example in which the vibrating device according to the present invention is attached to a chair. A schematic sectional view showing an example, and FIG. 7 is a sectional view showing another example of the vibration device according to the present invention. In the figure, 20a... bottom plate, 24, 61... vibrating device, 26, 62... excitation body, 27, 63... magnet, 43... plywood, 50... vibrating plate,
60... Stage configuration panel, 64... Magnet buried part, 65... Exciter mounting part.

Claims (1)

[Claims] 1. A vibrating device comprising a magnet and a freely vibrating excitation body formed by winding an excitation coil facing the magnet at a predetermined interval, and generating vibration by applying an alternating current to the excitation coil. 1. A vibrating device characterized in that a magnet is attached to one surface of a vibrating plate or inside the vibrating plate, and the excitation body is attached to the other surface of the vibrating plate via a vibration propagating member.