KR200301888Y1 - Racket having optical fiber lighting device - Google Patents

Abstract

Racquet equipped with the optical fiber light emitting means of the present invention, when the player uses a racket, such as tennis, badminton at night, can brightly illuminate the edge of the pole with light emitted through the optical fiber, It has a hollow frame formed by integrally forming the head portion 10, the yoke portion 30, the handle portion 20 formed with a mesh to be hit, around the holes (11, 12, 13) formed in the head portion 10 And a fixing plate 31 for arranging the optical fibers 41 and 51 respectively disposed inside the frame with a plurality of optical fiber bundles 40 and 50, and fixing the optical fiber bundles 40 and 50 to the frame, and such fixing plates 31. A plurality of light emitting lamps 36 projecting the ends of the optical fiber bundles 40 and 50 at a lower portion thereof, a mounting plate 35 for mounting the light emitting lamps 36 to the frame, and a power supply to the light emitting lamps 36. A plurality of batteries (wired with a switch 22 for application) The battery box 37 to which 38 is mounted is attached.

Description

Racket with optical fiber light emitting means {RACKET HAVING OPTICAL FIBER LIGHTING DEVICE}

The present invention relates to a racket having an optical fiber light emitting means, and more particularly, the optical fiber light emitting means that brightly illuminates the edge of the racket by using the light of the light emitting lamp transmitted through the optical fiber when enjoying tennis, badminton, etc. at night It relates to a racket having a.

In recent years, in order to enjoy ball games such as tennis, tennis, badminton, squash, and racquetball on a general playground without bright lighting at night, it is necessary to use self-generated rackets and balls.

In particular, a general racket has a structure consisting of a head portion 1 and a handle portion 2, and a yoke portion 3, which is a connection portion between the head portion and the handle portion, as shown in FIG.

The night tennis racket of the prior art is to coat the light emitting or luminous material on the outer surface of the head portion (1) and the yoke portion (3) to determine the position of the racket in a dark place or at night.

However, the conventional racket has a difficulty in identifying the location of the racket or the ball because the brightness of the luminous and luminous material is dimmed after a short time of use. There is a drawback of being ineffective because it is hidden.

In another conventional technology for solving this problem, a power source such as a battery is provided inside the handle part, and then a plurality of light emitting LEDs connected in parallel to the power source have been mounted on the head part at regular intervals, but tennis and badminton Most ball games such as tennis, tennis, racquetball, squash, etc. have a strong impact force or impact force on the head part, so there is a problem that the light emitting LED is broken or the wire connecting the light emitting LED and the power is disconnected. .

In addition, when a plurality of light emitting LEDs and wires are used, the weight of the head portion is relatively increased by the weight of the light emitting LEDs and the wires, thereby causing a mass imbalance that causes the center of the racket to move toward the head portion. It may not be able to exhibit the natural performance, there is a disadvantage that excessive strain on the user's wrist.

The purpose of the present invention devised to solve such a problem is to significantly reduce the use of the light emitting lamp using the optical fiber to maintain the mass balance of the racket, and to surround the edge of the pole with the light emitted through the optical fiber The present invention provides a racket having optical fiber light emitting means for allowing various kinds of ball games to be enjoyed at night.

1 is a perspective view for explaining the configuration of a light emitting racket according to the prior art,

2 is a perspective view illustrating an external configuration of a racket having an optical fiber light emitting unit according to an embodiment of the present invention;

3 is a cross-sectional view taken along the line A-A 'shown in FIG.

4 is a cross-sectional view taken along the line BB ′ shown in FIG. 2;

5 is a cross-sectional view for explaining the coupling relationship of the racket of the present invention.

♣ Explanation of symbols for main part of drawing ♣

10: head part 11, 12, 13: hole

20: handle part 22: switch

30: yoke portion 31: fixed plate

35: mounting plate 36: light emitting lamp

37: battery box 38: battery

40, 50: optical fiber bundle 41: optical fiber

60: transparent resin material 61: transparent portion

In the above-described object of the present invention, in a racket having an optical fiber light emitting means having a hollow frame in which a head portion, a yoke portion, and a handle portion are formed integrally with a net, such as a shuttlecock, a tennis ball, a tennis ball, etc., Arranged in the frame with a plurality of optical fiber bundles each arranged around the hole formed in the head portion, a fixing plate for fixing the optical fiber bundle to the frame, and a plurality of light emitting lamps to illuminate the end of the optical fiber bundle at the bottom of the fixing plate; And a mounting plate for mounting the light emitting lamp to the frame, and a battery box wired by a switch so as to selectively apply power to the light emitting lamp and equipped with a plurality of batteries. Is achieved.

In addition, according to the present invention, the light emitting lamp is preferably composed of a single color, three colors, rainbow LED to the semiconductor diode.

Further, according to the present invention, it is preferable that the optical fiber is fixed to the inside of the head portion with a transparent resin material around the hole, and can disperse light by the transparent portion protruding semicircularly outward of the hole.

Hereinafter, a racket having an optical fiber light emitting means according to a preferred embodiment of the present invention will be described in detail with reference to FIGS. 2 to 5.

2 is a perspective view for explaining an external configuration of a racket having an optical fiber light emitting means according to an embodiment of the present invention, Figure 3 is a cross-sectional view taken along the line A-A 'shown in FIG. 4 is a cross-sectional view taken along the line BB ′ shown in FIG. 2, and FIG. 5 is a cross-sectional view illustrating a coupling relationship between the racket of the present invention.

As shown in Figure 2, the subject innovation consists of the head portion 10, the handle portion 20, the yoke portion 30 in the same way as a racket for a conventional ball game, the optical fiber bundle and battery power therein The power supply unit used, the on / off switch, and the light emitting lamp are mounted.

In addition, a plurality of light emitting holes 11 penetrating in the thickness direction of the head portion in the circumferential direction so that the light is emitted to the outside by the optical fiber passes or the end of the optical fiber is located on the edge surface of the head portion 10 in the circumferential direction It is formed while maintaining. That is, the light emitting holes 11 are arranged between the mesh holes for the racket string.

Of course, the racket used in the present invention is a lightweight and durable material such as fiber-reinforced plastic, aluminum, magnesium, etc. It is preferable to have a hollow frame shape, weaving a general racket string to the mesh hole to form a blow net .

The end of the handle portion 20 is screwed to the cover 21 for replacing the battery. The user can remove the cover 21 by screwing it, and then install and replace a small battery (for example, connecting two AAA 1.5Vs in series), and switch 22 at the bottom of the cover 21. ) Lever is slightly projected to turn on / off the light emitting lamp.

3 is a cross-sectional view of the yoke portion 30, and the fixing plate 31 is fixed by the fixing jaw to the screw jaw 34 on the inner surface of the frame. The fixing plate 31 forms two mounting holes 32 and 33, and the optical fiber bundles 40 and 50 are fitted into each of the mounting holes 32 and 33 to be fixed thereto.

The optical fiber bundles 40 and 50 are simply bundles of individual optical fibers, and are formed in a number corresponding to the number of light emitting holes formed in the head portion in the foregoing description.

Each optical fiber of the optical fiber bundles 40 and 50 may be made of a general material that emits light at the other end when the end is illuminated with a light emitting lamp, and at the same time, a diffractive surface that may cause light scattering in the optical fiber itself may be used. It is possible to use a material that can form a diffraction angle that can emit light in the entire circumference of the optical fiber.

4 is a cross-sectional view of the head portion 10. Instead of the fixing plate used to fix the optical fiber bundle 40, the transparent resin material 60 is used to fill the inside of the head portion 10, thereby providing an optical fiber ( 41) is fixed to the inner surface of the head portion 10.

The transparent resin material 60 is injected through each of the plurality of light emitting holes 11 arranged in a plurality, and slightly more than the internal volume of the head portion 10 to be injected, so that the semi-circular, dome-shaped transparent portion 61 is naturally formed. Will extrude slightly.

The dome-shaped transparent portion 61 serves as a convex lens to disperse light emitted from the circumferential surface of the optical fiber bundle 40 and light emitted from the end surface of the folded optical fiber 41 in a large area. In charge of.

In the following, the coupling relationship of the racket with the optical fiber light emitting means of the present invention, the arrangement relationship and the operation relationship of the optical fiber will be described.

As shown in FIG. 5, one end of the two optical fiber bundles 40 and 50 is fixed to the fixing plate 31 inside the yoke portion 30.

In the lower portion of the fixing plate 31, a mounting plate 35 on which two light emitting lamps 36 are mounted is coupled to the inside of the handle portion 20.

Each light emitting lamp 36 is connected to a contact of the battery box 37 via a wire. The light emitting lamp 36 may be a monochromatic, tricolor, rainbow-colored LED or a semiconductor diode, etc., and operates with a direct current 3V power supply.

The battery box 37 has a size and shape that can be inserted into the handle portion 20 after the cover 21 is opened by screw rotation. The battery box 37 is mounted with two small batteries 38 connected in series, and the other contact point of the battery box 37 is electrically connected to the contact point of the switch 22.

Here, the switch 22 is wired so that the power of the battery 38 can be supplied (on) and cut off (off) to each of the light emitting lamps 36 in a conventional manner. It is mounted on the surface side.

The handle portion 20 is wound with a shock absorbing material and a grip tape 29 in a conventional manner for shock absorption.

On the other hand, each of the optical fiber bundles (40, 50) extends from the upper cracked portion of the yoke portion (30) to the head portion 10 of the closed curve extending in a circular or oval frame shape, wherein each of the optical fibers (41, 51) The strands are fixed with a water-transparent resin material arranged to bend toward each light emitting hole 11 arranged in turn.

Of course, even if all of the optical fibers of the optical fiber bundles 40 and 50 are not bent toward the light emitting hole 11, since the light is refracted at the outer circumferential surface of the optical fiber, the refracted light may also be emitted through the light emitting hole 11.

In addition, a through hole 12 which is the same as or similar to the light emitting hole 11 may be further provided on the inner surface of the frame of the head portion 10, and the through hole 12 and the mesh hole 13 for the racket string. Of course, the light transmitted through the optical fiber bundles 40 and 50 may shine the net hitting the ball.

Therefore, the user removes the battery box 37 by removing the cover 21 and then mounts two batteries 38 in the direction of the electrode, and then inserts the battery box 37 into the handle part 20 again. Screw cover 21 back on.

Subsequently, when the lever of the switch 22 protruding from the cover 21 is switched to the ON position, the power of the battery 38 is input to the light emitting lamp 36 so that the light emitting lamp 36 emits light. do.

The light emitted from the light emitting lamp 36 is transmitted through each of the optical fibers 41 and 51 arranged as described above through the optical fiber bundles 40 and 50, so that each light emitting hole 11 and the through hole 12 are provided. And by exiting through the mesh hole 13 to the outside, the head portion 10 and the mesh portion is illuminated.

Therefore, the user can easily enjoy the ball game at night by easily identifying the position of the racket to emit light according to the configuration of the present invention.

As described in detail above, the racket provided with the optical fiber light emitting device of the present invention uses a battery, but can illuminate the entire head part using two light emitting lamps, which are very small, so that it is practically used as a lightweight and realistic product when it is conveniently used at night. It can be, by allowing a balanced racket configuration there is an advantage that the wrist does not overdo.

In addition, the racket provided with the optical fiber light emitting means of the present invention has significantly reduced the number of light emitting lamps, so even if a small capacity battery can be extended relatively long use time is very economical effect.

In addition, the racket provided with the optical fiber light emitting means of the present invention by using the optical fiber, as well as preventing the damage of the existing LED in advance, there is almost no deterioration in the quality of the product that the LED is broken and sparse light occurs, It is very resistant to shock, so it has the advantage of providing consumers with durable and trouble-free products.

Although the technical idea of the racket having the optical fiber light emitting means of the present invention described above has been described together with the accompanying drawings, this is illustrative of the best embodiment of the present invention and is not intended to limit the present invention.

In addition, it is obvious that any person skilled in the art can make various modifications and imitations without departing from the scope of the technical idea of the present invention.

Claims (3)

In the racket provided with an optical fiber light emitting means having a hollow frame in which the head portion 10, the yoke portion 30, and the handle portion 20 are formed integrally with a net to hit the ball, The optical fibers 41, 51 disposed around the holes 11, 12, 13 formed in the head portion 10 are arranged inside the frame with a plurality of optical fiber bundles 40, 50, A fixing plate 31 for fixing the fiber bundles 40 and 50 to the frame; A plurality of light emitting lamps 36 illuminating end portions of the optical fiber bundles 40 and 50 under the fixing plate 31; A mounting plate 35 for mounting the light emitting lamp 36 to the frame; And a battery box (37) wired by a switch (22) to selectively apply power to the light emitting lamp (36) and equipped with a plurality of batteries (38). The method of claim 1, The light emitting lamp 36 is a racket having optical fiber light emitting means, characterized in that consisting of a monochromatic, tricolor, rainbow-colored LED to a semiconductor diode. The method of claim 1, The optical fiber 31 is fixed to the inside of the head portion 10 by the transparent resin material 60 around the hole 11, the transparent portion 61 protruding in a semicircular shape toward the outside of the hole (11). Racket with optical fiber light emitting means characterized in that the light can be dispersed by).