JPH0352532Y2 - - Google Patents

Description

[Detailed explanation of the invention] <Industrial application field> This invention alleviates various symptoms such as stiffness and pain by applying an alternating magnetic field to the body.
The present invention relates to a magnetic therapy device for obtaining magnetic therapy effects such as promoting bone formation at fracture sites.

<Prior art> The applicant previously proposed that the inside of a synthetic resin case body,
We proposed a magnetic therapy device with a structure in which a plurality of magnetic field generators that generate alternating magnetic fields are connected (Utility Model Application No. 86344/1986). The magnetic field generator has a structure in which a coil bobbin is arranged on an iron core,
By energizing the coils, each magnetic field generator generates an alternating magnetic field, which concentrates on the affected area.

<Problems to be solved by the invention> However, in the case of the magnetic therapy device with the above structure, it is necessary to manufacture a case body large enough to accommodate the entire magnetic field generator, which not only increases the product cost but also However, there are problems in that the size of the magnetic treatment device increases, the overall weight increases, and it takes time and effort to manufacture the magnetic treatment device.

This idea was created by focusing on the above problem, and by simplifying the case body by effectively utilizing the flange plate of the spool around which the coil is wound, it can be made small, lightweight, inexpensive, and easy to use. The purpose is to provide a magnetic therapy device that can be manufactured.

<Means for Solving the Problems> In order to achieve the above object, the magnetic therapy device of this invention includes a magnetic field generator in which a coil is wound around the outer periphery of a spool having a flange plate at both ends. In between, a pair of frames surrounding the coil are fitted from both sides and their abutting end surfaces are integrally joined to form a case body with a continuous outer wall surface between the frame and each collar plate.

<Function> In manufacturing, after forming a magnetic field generator by winding a coil on a spool, a pair of frames are fitted from both sides between the flange plates of the spool and their abutting end surfaces are integrally joined. A case body of the magnetic treatment device can be formed between the flange plate and the flange plate. Since the flange plate is effectively used as a part of the case body in this way, compared to the conventional case body that houses the entire magnetic field generator, product costs are not only reduced, but also magnetic therapy The tool becomes smaller and the overall weight is reduced. Furthermore, since the case body can be formed by simply fitting and joining a pair of frames, the number of steps and time required to manufacture the case body can be significantly reduced.

<Example> Figures 1 to 3 show a magnetic therapy device according to an example of this invention, which is equipped with a box-shaped case body 1 containing a magnetic field generator 2. A cord line 3 with a plug for connection to an AC power supply is drawn out.

The magnetic field generator 2 has a structure in which a coil 6 is wound around a spool 5 made of synthetic resin and having a hollow hole 4 therein. The spool 5 is provided with rectangular plate-shaped collar plates 8 and 9 at both ends of a cylindrical body 7, and each of the collar plates 8 and 9 and the cylindrical body 7 is provided with a plurality of through holes 10 in the length direction. A magnetic rod 11 made of silicon steel is press-fitted into each through-hole 10 . These magnetic bars 11 are for converging the magnetic flux generated by energizing the coil 6, and the tip of each magnetic bar 11 is formed into a convex curved surface so that the converged magnetic flux acts externally from the top.

A pair of synthetic resin frames 1 surrounding the outer periphery of the coil 6 are provided between the flange plates 8 and 9 of the spool 5.
2 and 13 are fitted from both sides, and both frames 1
By integrally joining the abutting end surfaces of frames 12 and 13 with adhesive, a case body 1 having a continuous outer wall surface is formed between these frames 12 and 13 and each of the collar plates 8 and 9.

4 and 5 show a second embodiment of this invention, in which two magnetic field generators 2, 2 having the same configuration as the first embodiment are arranged side by side on a substrate 14 using adhesive or the like. A pair of frames 12 and 1 are fixed and arranged in series between both collar plates 8 and 9 in each magnetic field generator 2.
3 is fitted from both sides. Through holes 15 are formed in each of the frames 12 and 13 corresponding to the three abutting portions, and a stopper 16 is provided inside each through hole 15, and this stopper 16 connects both frames 12, By integrally joining the abutting end surfaces of 13, these frames 12, 13 and each collar plate 8,
A case body 1 having a continuous outer wall surface is formed between the case body 9 and the case body 9 .

FIG. 6 shows a third embodiment of this invention, in which four magnetic field generators 2 are aligned and adhesively fixed on a flexible strip substrate 17, and each magnetic field generator 2 has two A pair of frames 1 between the collar plates 8 and 9
2 and 13 are fitted from both sides, and their abutting end surfaces are integrally joined with adhesive. In this embodiment, each frame 12, 13 and each collar plate 8, 9 for each magnetic field generator 2.
Since each case body 1 is free to bend and rotate relative to the adjacent case body 1, this magnetic treatment instrument can be made to conform to the shape of the human body.

In order to manufacture the magnetic therapy device having the above configuration (for example, the first embodiment), the spool 5 is attached to the magnetic field generator 2.
The case body 1 of the magnetic therapy instrument can be completed by fitting a pair of frames 12 and 13 from both sides between the two collar plates 8 and 9, and integrally joining their abutting end surfaces.

When using this magnetic therapy device, the case body 1
Either of the collar plates 8, 9 constituting the magnetic treatment device is applied to the treatment site, and the magnetic treatment device is fixed to the surface of the human body using a fixing device such as a belt as necessary. Next, when the power is turned on, the coil 6 of the magnetic field generator 2 is energized and an alternating magnetic field is generated.
It converges on each magnetic bar 11 at . These magnetic fluxes extend to the outside from the tip of each magnetic bar 11 and concentrate toward the affected area.

<Effects of the invention> As described above, this invention involves fitting a pair of frames surrounding the coil from both sides between the two flange plates of the spool, integrally joining their butting end surfaces, and creating a structure between the frame and each flange plate. Since the case body has a continuous outer wall surface, the spool's collar plate can be effectively used as a part of the case body, compared to the conventional case where the case body houses the entire magnetic field generator. In addition to significantly reducing the number of steps and time required to manufacture magnetic therapy devices, this technology has achieved the remarkable effects of achieving the purpose of the invention, such as reducing product costs, making magnetic therapy devices more compact, and reducing overall weight. play.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a magnetic therapy device according to an embodiment of the invention, Fig. 2 is a sectional view taken along the line of Fig. 1, Fig. 3 is a sectional view taken along the line of Fig. 1, and Fig. 4 is a sectional view taken along the line of Fig. 1.
The figure is a perspective view showing a second embodiment of this invention, FIG. 5 is a sectional view taken along the line of FIG. 4, and FIG. 6 is a perspective view showing a third embodiment of this invention. 1... Case body, 2... Magnetic field generator, 5... Spool, 6... Coil, 8, 9... Flange plate, 12,
13...Frame.

Claims (1)

[Scope of utility model registration request] A magnetic field generator is provided in which a coil is wound around the outer periphery of a spool having flange plates at both ends, and between the flange plates,
A magnetic therapy device comprising a case body in which an outer wall surface is continuous between each frame and each flange plate by fitting a pair of frames surrounding a coil from both sides and integrally joining their abutting end surfaces.