JP4682025B2 - Retroreflective sign - Google Patents

Description

  The present invention relates to a retroreflective marker that is installed mainly around a road and has a retroreflector attached around a column to be used as a line-of-sight guide, a linear guide, or the like.

  Conventionally, as a marker with a retroreflector attached around a support, for example, a line of sight where a flexible sticking extension with a plurality of prismatic wide-angle reflectors attached thereto is wound around and fixed to a support A guidance sign device is disclosed (for example, Patent Document 1).

  In addition, a flat column portion made of aluminum alloy in which a flat plate portion that is non-parallel is formed on both the left and right sides and a guide portion is formed along the longitudinal direction of both ends of the flat plate portion, and the flat plate portion of the column main body A reflector projecting substantially at the center of the lower part of the column and a guide part formed on the column main body, and a reflector that can come into surface contact with the flat plate part of the column body and / or double the longitudinal length of the reflector plate It consists of a distance indicator with a length, a signboard such as a point marker, and a synthetic resin lid that is fitted and fixed to the upper surface of the column body. The lid is removed from the upper surface of the column body, and the guide unit of the column body The reflector and / or the indicator plate are selectively inserted into the front surface of the flat plate portion, the lowermost reflector plate or the indicator plate is locked by the stopper, and the lid is fitted and fixed to the upper surface of the column body. Multi-function like Delineators is disclosed (for example, Patent Document 2).

Registered Utility Model No. 3030863 Registered Utility Model No. 3046042

  However, in the conventional retroreflective marker as described in Patent Document 1, since the retroreflector is fixed by using the flexible sticking extension, the retroreflector is strong against the support column. There is a risk that the retroreflector may fall off due to deterioration of the pasting extension itself or the adhesive means in a long-term use.

  In addition, the retroreflective marker as described in Patent Document 2 can support only one type of outer diameter of the column, and in order to be able to attach to a plurality of types of columns, a new hollow column main body is newly added. It is necessary to make a metal mold, and an investment such as a mold is required, leading to high costs.

  The present invention has been made in view of the problems as described above, and the retroreflector can be fixed to the support column over a long period of time, and also one type of main body for a plurality of types of outer diameter support columns. It is intended to provide a retroreflective marker that can be attached using the.

In order to achieve the above object, the present invention is configured as follows. In other words, the retroreflective marker according to the present invention has both ends of the retroreflector inserted between the hollow body surrounding the cylindrical column and the mounting groove provided opposite to the outer surface of the hollow column. A retroreflective marker is attached to the retroreflector so that a post is sandwiched between a post abutting portion and a post receiving portion provided on the inner surface of the main body. The receiving part is adapted to follow the curvature on at least a part of the outer surface of the support column, and is attached to the hollow main body by an attaching means , and the hollow main body uses two identical frames. One of them is a direct attachment part that is attached to the post by the support part and the other is an indirect attachment part that is attached to the direct attachment part. Fixed And edges is fastened by superimposed by fastening means, it is characterized in that the indirect attachment portion is adapted to be attached directly to the mounting portion.

  According to the retroreflective marker according to the present invention, the retroreflector is attached to the hollow main body, and the column receiving part is made to follow the curvature of the column outer surface, so that the retroreflector is attached to the column. Can be fixed stably over a long period of time, and the column support can be attached to the hollow body by the mounting means, so that the column support can be changed according to the outer diameter of the column. Also, it can be attached to a plurality of types of outer diameter struts using one type of hollow body.

  In addition, if the hollow main body includes a direct attachment portion attached to the support post by the support post portion and an indirect attachment portion attached to the direct attachment portion, the indirect attachment portion is attached after the direct attachment portion is attached to the support post. It is preferable that the column receiving portion can be easily attached.

  According to the retroreflective marker according to the present invention, the retroreflective marker is attached to the hollow main body, and the column receiving part is made to follow the curvature of the outer surface of the column. The reflector can be stably fixed to the column for a long time, and the column support part is attached to the hollow body by the attaching means, so that the column support unit can be changed according to the outer diameter of the column. Can be attached to a plurality of types of outer diameter struts using a single type of hollow body.

  BEST MODE FOR CARRYING OUT THE INVENTION The best embodiment according to the present invention will be specifically described below with reference to the drawings.

  FIG. 1 is a perspective view showing an embodiment of a retroreflective marker according to the present invention. The retroreflective marker 10 is attached with a hollow main body 1 having a hexagonal cross section so as to surround the cylindrical support column 20, and a retroreflector 2 that is a prism reflector is provided on the outer surface of the hollow main body 1. It is attached and formed. Such a retroreflective sign 10 is installed at the edge of the median strip or in the center of the intersection to perform linear guidance, or is installed at the side edge of the road to perform line-of-sight guidance. The body 2 is attached in a direction that requires retroreflection according to each application.

  FIG. 2 is a cross-sectional view showing a cross section taken along the line AA of FIG. 1 and comparing a state in which the column 20 is attached to the column 20 having two types of outer diameters. First, (a) is a state in which the retroreflective marker 10 is attached to a column 20A having a relatively small outer diameter, and mounting grooves 13 that are opened opposite to each other are provided on the outer surface of the hollow body 1. It has been. Both end portions 21 of the retroreflector 2 having a convex shape in cross section are inserted and attached to the attachment groove 13, and the retroreflector 2 can be attached by sliding from the upper end or the lower end of the hollow body 1. Has been made.

  The column abutting portion 3 is integrally provided on the inner surface of the hollow body 1, and the outer surface of the column 20 is abutted. A column support part 4 is provided opposite to the column contact part with the column 20 interposed therebetween. The column receiving part 4 includes a curved surface 41 having a curved surface along the curvature of the outer diameter of the column 20, and flat plate-shaped attachments 42 provided at both ends of the curved surface 41 to be attached to the hollow body 1. The attachment portion 42 is attached by being fastened together with the attachment plate portion 14 provided on the inner surface of the hollow main body 1 by the attachment means 5 that is a screw. The column support part 4 is configured such that the column 20 is sandwiched between the column contact part 3 and the column support part 4 by screwing the mounting means 5, and the hollow body 1 is fixed to the column 20.

  Here, in the hollow main body 1, three portions forming a hexagonal cross section serve as a direct attachment portion 11, and the other three surfaces constitute an indirect attachment portion 12, and are fixed on the edge of the direct attachment portion 11. The edge portion 15 and the fixing edge portion 15 provided on the indirect attachment portion 12 are overlapped and fastened by the fastening means 16, whereby the indirect attachment portion 12 is directly attached to the attachment portion 11. With this structure, the indirect attachment portion 12 is removed and the back side of the hollow body 1 is opened at the time of attaching the column receiving portion 4, so that the attachment means 5 is attached to the direct attachment portion 11 of the column receiving portion 4. Fastening can be easily performed, and each of them can be fixed stably with a screw or the like with a member having high rigidity, and can be stably fixed over a long period of time.

  (B) is sectional drawing which shows the state attached with respect to the support | pillar 20B of a comparatively large outer diameter. The hollow main body 1 composed of the direct attachment portion 11 and the indirect attachment portion 12 is the same as that shown in FIG. 4A, but the column receiving portion 4 has a larger curvature of the curved surface portion 41 and has a larger outer diameter. It is made to be able to follow the large support 20B. The column support 4 can be attached to the mounting plate 14 of the hollow body 1 using the mounting means 5 as in (a), and the columns 20 having a plurality of types of outer diameters can be obtained by changing only the column support 4. On the other hand, the hollow main body 1 can be firmly attached.

  Note that the retroreflective marker 10 in FIG. 2 is provided to be retroreflected with respect to light from a headlight from the lower side in the figure, for example, provided at the end of the central separation band. Yes, the retroreflector 2 is attached to the mounting groove 13 for the lower three surfaces forming a hexagonal cross section, but the synthetic resin cover material C having no retroreflectivity is attached to the other three surfaces. ing. When it is necessary to retroreflect light from the entire surroundings, such as at the center of an intersection, the retroreflector 2 may be attached to all six surfaces, and the cross section is not limited to a hexagonal shape. It is good also as an appropriate shape according to the necessity of retroreflection, such as an octagon.

  FIG. 3 is a cross-sectional view showing the frame body W used as the direct attachment portion 11 and the indirect attachment portion 12 in FIG. 2. The frame W is an aluminum extruded shape formed by extrusion of aluminum, the outer surface is provided with mounting grooves 13 provided opposite to each other, and the inner surface is provided with strut abutting portions 3 that are slightly curved, A plurality of convex portions 31 are provided in the column contact portion 3 at intervals to bite into the surface of the column 20 and prevent the retroreflective marker 10 from rotating. The strut abutting portion 3 is designed to abut about 1/10 to 1/20 of the outer surface of the strut 20, and since the width is not so wide, even if the outer diameter of the strut 20 changes, there are only two points. It is intended not to contact. Furthermore, screw holes W1 for attaching caps or the like to the upper and lower ends of the hollow body 1 are provided on the inner surface. Two such frame bodies W are used upside down in the figure, and are attached by the fixing edge 15. The fixing edge 15 has different thicknesses on the left and right sides, and the fixing edge 15 overlaps. When the fastening means 16 is fastened, the fixing edge 15A having a large thickness comes to the inside so that the strength of the inner fixing edge 15 serving as a basis for fixing the fastening means 16 is increased. It is designed to increase the stability of the mounting. Further, the fixing edges 15A and 15B have different thicknesses and are displaced from the positions protruding from the frame body W, so that when the fixing means 16 is fixed, the column 20 is fixed to the hollow body 1. It is made not to deviate from the center.

  4 and 5 show the attachment of the retroreflective marker 10 to the support column 20. First, FIG. 4 is a cross-sectional view, but the retroreflector 2 and the cover material C are omitted for convenience. . First, the attachment portion 11 is directly fitted to the support column 20, and the support column contact portion 3 provided on the inner surface of the attachment portion 11 is brought into contact with the support column 20 directly. Further, the column receiving portion 4 is attached from the opposite side of the column contacting portion 3, and the outer surface of the column 20 is brought into contact with the inner surface of the curved surface portion 41. In this state, the mounting means 5, which is a screw, is inserted into the mounting portion 42 and directly screwed to the mounting plate portion 14 of the mounting portion 11, and the mounting means 5 is tightened so that the curved surface portion 41 is in contact with the support column. Since the curved surface portion 41 has a curvature of the outer diameter of the support column 20, the contact area with the support column receiving portion 4 is increased and the attachment to the support column 20 is made strong. ing. The attachment means 5 can be attached in a state where the indirect attachment portion 12 is not attached. Therefore, the work related to attachment can be facilitated by increasing the surrounding space. Finally, the fixing edge 15 of the direct attachment portion 11 and the fixing edge 15 of the indirect attachment portion 12 are overlapped and fastened by fastening means (not shown in the figure), whereby the retroreflective marker 10 is attached. Is formed. Here, the fixing edge 15 is recessed inward by the thickness of the head portion of the fastening means, thereby preventing the fastening means from being noticeable and preventing the aesthetic appearance from being damaged by the fastening means.

  FIG. 5 is a side view of the retroreflective marker 10 attached. The direct attachment part 11 is attached by the support pillar part 4, and the support pillar part 4 may be provided over the entire vertical direction of the direct attachment part 11, but the attachment strength may be excessive. In the embodiment, the height of the direct attachment portion 11 is about 1/3 of the vertical direction. The ratio of providing the column receiving part 4 may be appropriately determined according to the strength, and the larger the ratio, the more material can be saved. As a result, only the column receiving part 4 according to the outer diameter of the column 20 which is an advantage provided by the present invention. In terms of replacement, the stock amount of the column receiving portion 4 can be reduced, and the advantages can be further improved.

  The fixing edge 15 is provided with a fastening hole 151 at a position that is vertically symmetric. When the same member is used, the fastening hole 151 is aligned with the upper and lower ends. It is made to do. The retroreflective marker 10 is formed by overlapping the fastening holes 151 and fixing the fixing edges 15 by fastening means.

  In order to form the hollow main body 1, it is preferable to divide it into the direct attachment portion 11 and the indirect attachment portion 12 for the convenience of attachment. The part 4 may be attached. In addition, it is preferable to form the mounting groove 13 by extrusion molding that can easily form a complicated shape, but the present invention is not limited thereto, and a steel plate bending material or the like may be used. The material to be formed is preferably a metal material having high strength and toughness, preferably aluminum or an alloy thereof that is lightweight and easy to form, but is not limited thereto, and may use steel, stainless steel, zinc, etc. When the strength is not so required, it may be formed using a synthetic resin such as an ABS resin.

  The retroreflector 2 is not limited to a prism reflector as long as the retroreflector 2 can be attached to the attachment groove 13, and a glass bead reflector, a known reflection sheet, or the like can also be used.

It is a perspective view which shows one Embodiment of the retroreflective marker concerning this invention. It is AA sectional drawing of FIG. It is sectional drawing which shows the frame which forms the hollow-shaped main body concerning this invention. It is a cross-sectional view showing the state of formation of the retroreflective marker according to the present invention. It is a side view which shows the state of formation of the retroreflective marker concerning this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hollow main body 11 Direct attachment part 12 Indirect attachment part 13 Attachment groove 2 Retroreflector 3 Prop contact part 4 Prop receiving part 5 Attachment means 10 Retroreflective marker 20 Prop

Claims (2)

The retroreflector is attached by inserting both ends of the retroreflector between a hollow main body surrounding the cylindrical support and an attachment groove provided opposite to the outer surface of the hollow support. A retroreflective marker that is configured such that a strut is sandwiched between a strut abutting portion and a strut receiving portion provided on the inner surface of the strut, wherein the strut receiving portion has a curvature on at least a part of the outer surface of the strut And is attached to the hollow main body by attachment means , and the hollow main body uses two identical frame bodies, one of which is attached to the post by a pillar receiving portion. And the other one as an indirect attachment portion that is attached to the direct attachment portion, with them upside down, and the fixing edge portions provided on the edges of both frame bodies are overlapped by the fastening means. Concluded The retroreflective labels, characterized in that the indirect attachment portion is adapted to be attached directly to the mounting portion. The strut abutting portion is a curved surface in which a plurality of convex portions are provided at intervals, and is formed on the inner surface of the frame body with the curved surface facing the strut receiving portion side. The retroreflective marker according to claim 1.

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