JP2005336949A - Installation plate for shutting off illumination of oncoming car in road median strip and identifying median strip at night - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an installation plate for a road median strip capable of not only shutting off illumination of an oncoming car but also providing a function for identifying the road median strip easily when the car runs at night and providing excellent aesthetic appearance. <P>SOLUTION: This installation plate installed in the road median strip to shut off illumination of an oncoming car in the road median strip and distinguish the median strip easily when the car runs at night includes a pair of plate members formed by a molding made of a transparent plastic material and forms an integrated assembly body having hollow inside by joining the pair of plate members mutually in a peripheral fringe part. In each of the pair of plate members, recessed and projecting parts are formed on an inner face facing the hollow inside of the assembly body. A molding made of another plastic material is attached and fitted in an upper part of the assembly body. The plastic material of the molding contains luminous pigment. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an installation plate that is installed in a central separation zone at a predetermined interval on a general road having a highway or a central separation zone. In particular, the present invention relates to an installation plate that can block the illumination of an oncoming vehicle and that facilitates identification of a median strip when traveling at night.

In the face-to-face traffic of automobiles, it is often the case that the lights of oncoming cars are in the eyes and driving is disturbed at night. In consideration of this, the median strip of the highway is provided with various types of barriers such as fences and panels in the median strip. These barriers are often large-scale in general.
Among these, a simple barrier includes a plate member that is alternately colored with opposite colors in order to improve anti-glare and visibility (see Patent Document 1). In general, it is also known to apply a phosphorescent paint or the like to a traffic safety sign or the like in order to bring about an effect on visibility in a dark place (see, for example, Patent Document 2).

Utility Model Application Publication No. 57-85611 Patent Application Publication No. 10-82023

However, the glare-proof board of patent document 1 is only a thing which achieves the objective which prevents glare. In general, the barriers employed in the past are only for the purpose of shielding light, have limited functions, and cannot be said to have excellent aesthetics. In addition, the luminous road display material disclosed in Patent Document 2 is only used for road marking lines and danger area display lines in the dark such as at night, and this is also functionally limited.
The present invention not only cuts off the lighting of the oncoming vehicle, but also has a function of facilitating the identification of the median strip when traveling at night or in the dark, and can exhibit an excellent aesthetics, and can be very easily It is an object to provide an installation plate for a road median that can be manufactured at low cost.

  In order to solve the above-mentioned problems, the present invention provides an installation that is installed in the road median strip in order to facilitate the identification of the median strip during night driving by blocking the illumination of oncoming vehicles in the road median strip. Provide a board. The installation plate includes a pair of plate members made of a molded product of a transparent plastic material, and the pair of plate members are joined together at peripheral edges to form an integral assembly having a hollow interior. As for each of a pair of board member, the unevenness | corrugation is formed in the inner surface which faces the hollow inside of an assembly. A molded product made of another plastic material is fitted to the upper part of the assembly. The plastic material of this molded product contains a luminous pigment. The blending ratio of the luminous pigment is preferably 5 to 15% by weight.

  According to one aspect of the present invention, the plastic molded product attached to the upper portion of the assembly has a plurality of claw portions, and the assembly is formed with a recess at a position corresponding to the claw portions. . When the claw portion of the plastic molded product is fitted into the concave portion of the assembly, the assembly and the molded product are fixed. Further, an insertion hole for receiving a screw is formed in the upper part of the assembly, and after the plastic molded product is fitted, the screw is screwed into the screw receiving portion of the assembly so that the plastic molded product and the assembly are more It is designed to be fixed securely.

  According to one aspect of the present invention, each of the pair of plate members has a flat central region, the inner surface of the central region is a rough surface with fine irregularities, and the outer periphery of the central region. The region has an arc-shaped horizontal cross section, and a large number of pyramid-shaped projections are formed on the entire surface to constitute the aforementioned irregularities.

In a typical embodiment of the present invention, the installation plate has a height of 600 mm to 700 mm, a width of 400 mm to 450 mm, and is installed in the median strip of the road via a support so that the height is 1400 mm to 1500 mm. . The installation interval may be 2 to 5 m. As the plastic material constituting the plate member, acrylic or polycarbonate is suitable, but other transparent plastic materials can also be used. The plastic material may be colorless or colored.
According to still another aspect of the present invention, the horizontal center line of the plate assembly of the installation plate is disposed so as to be inclined by 10 ° to 20 ° from a position perpendicular to the length direction of the road median strip. It is preferable that

  The installation board of the present invention scatters night illumination of a vehicle traveling in the opposite lane by unevenness formed on the inner surface of the board member constituting the installation board when installed at a predetermined interval in the median strip of the road. . Accordingly, the driving of the automobile is not hindered by the illumination of the oncoming vehicle, and the driving safety is improved. In addition, since a member made of a plastic resin containing a luminous pigment as an identification part is attached to the upper part of the plate assembly, the upper part of this installation board shines at night by the energy stored during the day, Helps identify the location of the median strip. In the present invention, the phosphorescent identification part is formed only on the upper part of the installation plate, but the installation plate can be sufficiently visually recognized even at night. In addition, by forming the identification part with a plastic resin containing a luminous pigment, it is more durable against nature such as long-term sunlight or wind and rain than simply applying a luminous coating. Is.

The installation plate of the present invention is preferably disposed by inclining the horizontal center plane of the plate assembly by 10 ° to 20 ° from a position perpendicular to the length direction of the road center separation zone. By arranging in this way, the wind pressure applied to the installation plate when the vehicle passes can be reduced. The effect is the same whether the direction of inclination is left or right.
Furthermore, the installation plate of the invention is formed of a molded product made of a transparent plastic material while having the above-mentioned advantages, and a luminous product is identified by attaching a plastic molded product containing the luminous material on top of the molded product. It can be manufactured easily and inexpensively, such as forming a part. In addition, an installation plate for a molded product made of a transparent plastic material is excellent in aesthetics.

  Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

  FIG. 1 shows a state in which installation plates 1 according to an embodiment of the present invention are installed at a predetermined interval, for example, 5 to 7 m, along a median strip 2 of a road. The installation plate 1 is installed such that its surface is substantially perpendicular to the length direction of the central separation band 2.

  FIG. 2 is a front view showing the entire installation plate 1, and the installation plate 1 includes a plate assembly 3 and a column 4. The identification part 17 is attached to the plate assembly 3 so as to be fitted over the entire upper part. FIG. 3 is a side sectional view of the upper portion of the plate assembly 3 in a state where the identification portion 17 is attached. FIG. 4 is a partially broken front view showing the plate assembly portion 3 of the installation plate 1 shown in FIG. 3 in an enlarged manner. The plate assembly 3 includes a pair of plate members 5 and 6, as shown in FIG. Each of these plate members 5 and 6 is formed by molding a transparent plastic material such as acrylic or polycarbonate. As shown in FIGS. 4 and 5, a substantially flat central region 7 and its surroundings are formed. It has a peripheral region 8 and an edge 9. The peripheral region 8 has an arcuate horizontal sectional shape as seen in FIG. The pair of plate members 5, 6 constitutes an assembly having a hollow interior 10 joined together at the edge 9. As shown in the left end of FIG. 5, a boss 11 having a screw insertion hole 13 is formed on the edge 9 of the plate member 5, and the edge 9 of the plate member 6 corresponds to the boss 11. The screw receiving portion 12 is formed at the position where the movement is performed. By screwing a set screw 14 into the screw receiving portion 12 of the plate member 6 through a hole 13 formed in the boss 11 of the plate member 5, the two plate members 5 and 6 are coupled. As shown in FIG. 4, the set screws 14 are attached at a plurality of locations at appropriate intervals along the peripheral region edge.

  An identification part 17 is attached to the upper part of the plate assembly 3 composed of the plate members 5 and 6 fixed by a plurality of set screws 14. The identification part 17 consists of a molded product shape | molded with the plastic resin with which the luminous pigment was mixed. A suitable plastic resin material used for the identification unit 17 is acrylic or polycarbonate as with the plate members 5 and 6. As the luminous pigment contained in the plastic resin material, lime sulfide, strontium sulfide, zinc sulfide, or the like may be used, but is not limited thereto. The blending ratio of the luminous pigment is preferably 5% to 15% by weight. By using such a phosphorescent pigment, when irradiated with sunlight, ultraviolet rays or electric light, the light is absorbed, and in the dark where the light is blocked, the absorbed light is emitted to emit light. As will be described later, the identification unit 17 formed of a plastic resin material mixed with a phosphorescent pigment as described above is simply used with a phosphorescent paint when used in a place exposed to strong direct sunlight or wind and rain for a long time. It is superior in water resistance and durability compared to the case of application.

In order to attach the identification part 17 formed of a plastic resin mixed with such a luminous pigment to the upper part of the plate assembly 3, as shown in FIGS. A claw portion 20 for fitting into the plate assembly 3 is formed, and a concave portion is formed in the plate assembly 3 at a position corresponding to the claw portion 20. It is preferable that a plurality of claw portions 20 are formed so that the identification portion 17 is securely fitted and fixed to the plate assembly 3. In the present embodiment, a total of six claw portions 20 are formed, two on the front and rear sides of the plate assembly 3 and one on each of both side surfaces. However, the present invention is limited to this. It is not a thing. 4 and 5 and FIG. 7 representing the top view of the plate assembly 3, the plate 19 further passes through a hole for introducing a screw formed on the top surface of the identification portion 17. 3 and is screwed into a screw receiving portion formed on the upper surface of 3. In the present embodiment, four screw receiving portions of the assembly 3 are formed at predetermined intervals. After the identification portion 17 is fitted into a predetermined position of the plate assembly 3 by the claw portion 20 of the identification portion 17, the screws 19 are further screwed into the screw receiving portions of the plate assembly 3 through the holes on the upper surface of the identification portion. Secure with screws. Thereby, it becomes possible to attach the identification part 17 to the assembly 3 reliably.
As can be seen from FIGS. 4 and 5, the size of the identification unit 17 is an area that can be sufficiently identified at night when the installation board 1 of the present invention is used as an installation board in a road center divider. It is sufficient if the dimensions are such that

  As can be seen from FIG. 5, the inner surface facing the hollow interior of the flat central region 7 has a rough surface with fine irregularities formed thereon. Referring to FIG. 5, projections 18 made of a large number of hexagonal pyramids are formed on the inner surface facing the hollow interior of the peripheral region 8 of the plate members 5, 6, as shown partially enlarged in FIG. 6. Has been. In FIG. 6, one hexagonal pyramid 18 is indicated by a thick line. In FIG. 5, P is the center plane of the plate assembly 3.

  In this embodiment, the support | pillar 4 which comprises the installation body 1 is also formed in the hollow structure of a plastic resin material. However, the column 4 need not be transparent like the plate assembly 3.

  When the installation plate 1 formed as described above is installed along the road median strip 2 at a predetermined interval, for example, 5 to 7 m as shown in FIG. 1, night illumination from a vehicle traveling in the oncoming lane Light strikes the surface of the plate assembly 3 of the installation plate 1. And this light is scattered by the unevenness | corrugation formed in the inner surface in the center area | region 7 of the plate members 5 and 6 formed from the transparent plastic material, and the hexagonal pyramid-shaped protrusion 18 formed in the inner surface of the peripheral area | region 8. The Therefore, this illumination light is prevented from interfering with the driving of the driver of the vehicle traveling oppositely. Further, the identification part 17 formed of a plastic material mixed with a phosphorescent pigment, which is attached to the upper part of the plate assembly 3, stores the energy of stimulation light received from the outside, and shines in a dark state such as at night. It helps to recognize the position of the median strip. Further, the identification part 17 formed of a plastic material containing a phosphorescent pigment is generally superior in durability and water resistance compared to a case where a phosphorescent material layer is simply applied. Even in a severe weather environment, it can exhibit sufficient functions.

  In order to achieve the desired function, the plate assembly 3 of the installation plate 1 is installed via the support columns 4 so that the height is 600 mm to 700 mm, the width is 400 mm to 450 mm, and the overall height is 1400 without 1500 mm. It is preferable to do.

  Referring to FIG. 1, a line A indicates a direction perpendicular to the length direction of the road median strip 2, and B is a projection of the surface of the plate member constituting the main member of the installation plate 1. As can be seen from the figure, the installation plate 1 is arranged such that a plane perpendicular to the horizontal plane, that is, the central plane P of the plate assembly 3 is inclined by an angle θ with respect to the perpendicular direction A in order to reduce the wind pressure from the vehicle. It is preferable. A preferred inclination angle is 10 ° to 20 °.

It is a perspective view which shows the state which installed the installation board by one Embodiment of this invention along the median strip of a road. It is a front view which shows the whole installation board by one Embodiment of this invention. It is side part sectional drawing of the upper area | region of the installation board shown in FIG. It is a front view which expands and shows the board assembly part of the installation board shown in FIG. It is sectional drawing which shows the detail of the structure of an installation board, and is sectional drawing taken along the AA line of FIG. It is an enlarged view which shows the protrusion formed in the peripheral part inner surface of a board member. It is a top view of the installation board shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Installation board 2 Center separation band 3 Board assembly 4 Support | pillar 5, 6 Board member 7 Central area | region 8 Peripheral area | region 9 Edge part 17 Identification part 18 Projection

Claims (3)

An installation plate installed in the road median strip to block the illumination of the oncoming vehicle in the road median strip and facilitate the identification of the median strip during night driving,
Including a pair of plate members made of a molded product of a transparent plastic material, the pair of plate members being joined together at peripheral edges to form an integral assembly having a hollow interior;
Each of the pair of plate members is formed with irregularities on the inner surface facing the hollow interior of the assembly,
An installation plate, wherein a molded product made of a plastic resin material containing a luminous pigment is attached to an upper portion of the assembly.   2. The installation plate according to claim 1, wherein each of the pair of plate members has a flat central region, and an inner surface of the central region is a rough surface with fine unevenness, and the center An installation plate, wherein a peripheral region outside the region has an arc-shaped horizontal cross section, and a large number of pyramid-shaped protrusions are formed on the entire surface on the inner surface.   The installation plate according to claim 1 or 2, wherein a horizontal center plane of the plate assembly is disposed at an angle of 10 ° to 20 ° with respect to a direction perpendicular to the length direction of the road median strip. The installation board characterized by being made.

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