JP2006202700A - Resin panel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a resin panel provided with lens cuts manufacturable by a die without crushing respective grooves even if pitches between a plurality of grooves or the like intercrossing with one another are small, and used for a lamp cover. <P>SOLUTION: This resin panel 10 is manufactured by pouring a material into a die. In its appearance, multiple V-shaped first grooves 11 are formed in parallel with one another so as not to intercross with one another on one-side surface, and V-shaped second grooves 12 are formed in parallel with one another so as not to intercross with one another on the other-side surface. In this regard, each interval between the plurality of first grooves 11 formed on the one-side surface is equal to each interval between the plurality of second grooves 12 formed on the other-side surface in terms of pitch P. In addition, the plurality of first grooves 11 formed on the one-side surface and the plurality of second grooves 12 formed on the other-side surface are in a positional relationship intersecting at right angles without intercrossing with each other. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a resin panel used as a lamp cover provided with a lens cut.

Conventionally, a lens panel for diffusing light from a light source has been provided in a resin panel used as a lamp cover for an electrical accessory of a pachinko machine (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 2002-17964 (FIG. 14)

  In this regard, there are various types of lens cuts. For example, as shown in the perspective view of FIG. 11, a plurality of grooves having a V-shaped groove section are formed at an equal pitch on one surface of the resin panel 100. There are lens cuts that are orthogonal and formed in a grid pattern.

  FIG. 12 is a front view of the resin panel 100. FIG. 13 is a side view of the resin panel 100 as seen from the direction of arrow C in FIG. FIG. 14 is a side view of the resin panel 100 viewed from the direction of arrow D in FIG.

  However, in order to make the light diffused from the LED light source desired, when the equal pitch of the grooves is made smaller than 1 mm, the lens cut shown in FIGS. In some cases, each groove may be crushed, and if each groove is crushed, the condition of diffusing light from the LED light source will deviate from the original aim and may not be used as a lamp cover. there were.

  Therefore, the present invention has been made in view of the above points, and provided with a lens cut that can be manufactured with a mold without crushing each groove even if the equal pitch of a plurality of intersecting grooves is small, It is an object to provide a resin panel used as a lamp cover.

  According to a first aspect of the present invention, there is provided a resin panel used as a lamp cover provided with a lens cut, wherein the lens cut is formed in parallel to the surface of the resin panel. It comprises a plurality of first grooves and a plurality of second grooves formed in parallel to the back surface of the resin panel, wherein each first groove and each second groove intersect each other.

  Note that the front and back surfaces of the resin panel are independent of the positional relationship with the light source when used as a lamp cover.

  The invention according to claim 2 is the resin panel according to claim 1, characterized in that the first grooves are equally spaced and the second grooves are equally spaced.

  In addition, the invention according to claim 3 is the resin panel according to claim 1 or 2, wherein the equal intervals between the first grooves and the second grooves are less than 1.0 mm. Yes.

  An invention according to claim 4 is the resin panel according to any one of claims 1 to 3, wherein the light source of the lamp cover is an LED.

  The invention according to claim 5 is the resin panel according to any one of claims 1 to 4, characterized in that each first groove and each second groove intersect at right angles. It is said.

  The invention according to claim 6 is the resin panel according to any one of claims 1 to 5, wherein each of the first grooves and the second grooves has a V-shaped cross section. It is characterized by.

  The invention according to claim 7 is the resin panel according to any one of claims 1 to 6, wherein each of the first grooves and the second grooves has an inverted U-shaped cross section. It is characterized by that.

  The invention according to claim 8 is the resin panel according to any one of claims 1 to 7, wherein the lamp cover is a part of an electrical accessory of a pachinko machine. Trying

  That is, the resin panel of the present invention is used as a lamp cover, and the resin panel of the present invention includes a plurality of second grooves formed in parallel with a plurality of first grooves formed in parallel. The lens cuts are formed by intersecting each other. However, since each first groove is formed on the front surface and each second groove is formed on the back surface, each groove is crushed even if the pitch of the intersecting grooves is small. It can be said that a lens cut that can be manufactured without using a mold is provided.

  In particular, when the equal interval between each first groove and each second groove is less than 1.0 mm, instead of forming each first groove on the front surface and each second groove on the back surface as in the present invention, If each first groove and each second groove are to be formed on either the front surface or the back surface, each groove may be crushed when manufactured with a mold, so that the above effect can be effectively exhibited.

  When the light source of the lamp cover is an LED, each first groove and each second groove are formed on the surface instead of forming each first groove on the surface and each second groove on the back surface as in the present invention. Alternatively, when the light source of the lamp cover is formed on either one of the back surfaces, the light source of the lamp cover is diffused into a plurality of dots. However, when each first groove is formed on the front surface and each second groove is formed on the back surface as in the present invention, the lamp cover Are diffused in a uniform plane.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows a perspective view of the resin panel according to the present embodiment. As shown in FIG. 1, the resin panel 10 according to the present embodiment is manufactured by pouring a raw material (for example, polycarbonate) into a mold. The letter-shaped first grooves 11 are formed in parallel so as not to cross each other, and the V-shaped second grooves 12 are formed in parallel so as not to cross each other on the other surface.

  In this regard, the intervals between the plurality of first grooves 11 formed on one surface and the intervals between the plurality of second grooves 12 formed on the other surface are equal to each other at the pitch P. Further, the plurality of first grooves 11 formed on one surface and the plurality of second grooves 12 formed on the other surface are in a positional relationship that intersects at right angles without intersecting each other.

  FIG. 2 is a front view of the resin panel 10. FIG. 3 is a side view of the resin panel 10 as seen from the direction of the arrow A in FIG. FIG. 4 is a side view of the resin panel 10 as viewed from the direction of arrow B in FIG.

  The resin panel 10 according to the present embodiment is manufactured in accordance with the design / dimensions of various products at the time of mold molding, etc., and is used for electric parts of pachinko machines and various lamps of automobiles (for example, brake lamps, directions). Indicator lamps, tail lamps, etc.) and room lamps. Therefore, when the resin panel 10 according to the present embodiment is used as a lamp cover, the first groove 11 formed on one surface and the second groove 12 formed on the other surface are formed by the lens cut of the lamp cover. Function as.

  Therefore, here, as an example, an example in which the resin panel 10 according to the present embodiment is used as a lamp cover of an electrical component of a pachinko machine will be described. FIG. 5 is a front view showing a pachinko machine in which the resin panel according to the present embodiment is used as a lamp cover for an electric decoration part. FIG. 6 is an enlarged front view showing the central role of the pachinko machine.

  That is, the resin panel 10 according to the present embodiment is used as the electrical cover 3 of the central accessory 2 as shown in FIGS. 5 and 6 in the pachinko machine 1 shown in FIG.

  Next, the function of the resin panel 10 according to the present embodiment will be described. Here, as shown in FIG. 7, the light from the light source 22 mounted on the electric substrate 21 is emitted from the resin panel 10 according to the present embodiment or the resin panel 100 described in the “Background Art” column (FIGS. 11 to 11). The diffusion mode was confirmed with the naked eye. An LED was used for the light source 22.

As a result, in the case of the resin panel 10 according to the present embodiment, it was confirmed that the light from the light source 22 of the LED spreads uniformly in the rectangular region 13 as shown in FIG. On the other hand, in the case of the resin panel 100 (see FIGS. 11 to 14) described in the “Background Art” column, the light from the LED light source 22 is not uniform in the cross-shaped region 103 as shown in FIG. 9. It was confirmed that it spreads out (partially dotted).
In FIGS. 8 and 9, the first groove 11 and the second groove 12 are omitted for convenience of explanation.

  Therefore, when the resin panel 10 according to the present embodiment is used as a lamp cover, the lens includes the first groove 11 formed on one surface and the second groove 12 formed on the other surface. The cut can uniformly diffuse the light from the LED into a rectangular area.

  As described above in detail, the resin panel 10 according to the present embodiment is used as a lamp cover. In the resin panel 10 according to the present embodiment, the resin panels 10 according to the present embodiment are arranged at equal intervals of the pitch P in parallel. A lens cut is formed by intersecting a plurality of second grooves 12 formed at equal intervals with a pitch P in parallel with the plurality of formed first grooves 11. Since each second groove 12 is formed on the other surface, the grooves 11 and 12 are not crushed even if the pitch P of the plurality of intersecting first grooves 11 or second grooves 12 is small. A lens cut can be provided that can be made with a mold.

  In particular, when the equal intervals of the pitches P of the first grooves 11 and the second grooves 12 are less than 1.0 mm, each of the first grooves 11 is one side like the resin panel 10 according to the present embodiment. When the second grooves 12 are formed on the other surface, the grooves 11 and 12 can be produced without crushing the grooves even if the pitch P is evenly spaced. As in the case of the resin panel 100 (see FIGS. 11 to 14) described in the section of FIG. 11, if each first groove 11 and each second groove 12 are to be formed on either one or the other surface, the mold is manufactured with a mold. In this case, the grooves 11 and 12 may be crushed, so that the above effect can be exhibited effectively.

  Further, when the light source 22 of the lamp cover is an LED, each of the first grooves 11 and each of the second grooves 12 is the same as the resin panel 100 (see FIGS. 11 to 14) described in the “Background Art” column. Is formed on either one or the other surface, the light from the LED diffuses non-uniformly (partially in the form of dots) in the cross-shaped region 103 as shown in FIG. When each first groove 11 is formed on one surface and each second groove 12 is formed on the other surface as in the resin panel 10 according to the embodiment, the light from the LED is rectangular as shown in FIG. It diffuses uniformly in the region 13.

In addition, this invention is not limited to the said embodiment, A various change is possible in the range which does not deviate from the meaning.
For example, in the resin panel 10 according to the present embodiment, the cross section of the first groove 11 formed on one surface and the cross section of the second groove 12 formed on the other surface intersect at a right angle. You may intersect at a point, an acute angle or an obtuse angle.

  In the resin panel 10 according to the present embodiment, the groove section of the first groove 11 formed on one surface and the groove section of the second groove 12 formed on the other surface are V-shaped. (See FIGS. 1 to 4), this point may be U-shaped. Moreover, as shown in FIG. 10, the resin panel 50 in which the protrusions section is formed with grooves 51 and 52 having an inverted U shape (wave shape) on both surfaces may be used.

  The present invention can be applied to a resin panel in which a lens cut is formed.

It is the perspective view which showed the resin panel which concerns on one Embodiment of this invention. It is the top view which showed the resin panel which concerns on one Embodiment of this invention. It is the side view which showed the resin panel which concerns on one Embodiment of this invention. It is the side view which showed the resin panel which concerns on one Embodiment of this invention. It is a front view of the pachinko machine using the resin panel concerning one embodiment of the present invention. It is a front view of the central accessory of the pachinko machine using the resin panel concerning one embodiment of the present invention. It is the figure which showed the experimental model for obtaining the diffusion aspect of the light which permeate | transmitted the resin panel which concerns on one Embodiment of this invention, or the resin panel of background art. It is the figure which showed the diffusion aspect of the light which permeate | transmitted the resin panel which concerns on one Embodiment of this invention, or the resin panel of background art. It is the figure which showed the diffusion condition of the light which permeate | transmitted the resin panel of background art. It is the perspective view which showed the resin panel which concerns on one Embodiment of this invention. It is the perspective view which showed the resin panel of background art. It is the top view which showed the resin panel of background art. It is the side view which showed the resin panel of background art. It is the side view which showed the resin panel of background art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Pachinko machine 2 Central part 3 Illuminated cover 10 Resin panel 11 1st groove | channel 12 2nd groove | channel 13 Area | region where light diffused 21 Electric substrate 22 Light source 50 Resin panel 51 1st groove | channel 52 2nd groove | channel

Claims (8)

In resin panels used as lamp covers with lens cuts,
The lens cut is
A plurality of first grooves formed in parallel to the surface of the resin panel;
A plurality of second grooves formed in parallel to the back surface of the resin panel,
Each first groove and each second groove intersect,
Resin panel characterized by A resin panel according to claim 1,
A resin panel characterized in that the first grooves are equally spaced and the second grooves are equally spaced. A resin panel according to claim 1 or claim 2,
A resin panel characterized in that the equal interval between each first groove and each second groove is less than 1.0 mm. A resin panel according to any one of claims 1 to 3,
A resin panel, wherein a light source of the lamp cover is an LED. A resin panel according to any one of claims 1 to 4, wherein
A resin panel characterized in that each first groove and each second groove intersect at right angles. A resin panel according to any one of claims 1 to 5,
A resin panel, wherein each of the first grooves and the second grooves has a V-shaped cross section. A resin panel according to any one of claims 1 to 6,
A resin panel, wherein each of the first grooves and the second grooves has an inverted U-shaped projection cross section. A resin panel according to any one of claims 1 to 7,
A resin panel, wherein the lamp cover is a part of an electrical accessory of a pachinko machine.

Images