Installation structure and method for bases and road markings.

Abstract

This invention provides a base that allows a column to be easily erected in a direction closer to vertical on an inclined mounting surface, and an installation structure and method for a road marking body using this base. [Solution] A base is provided to be placed between a road marking body, which comprises a base portion and a column portion extending upward from the base portion, and the installation surface, wherein the top surface of the base is inclined relative to the bottom surface, and the top surface is provided with a male screw portion that protrudes upward from the top surface to fix the base portion, and the male screw portion is formed near the center of the base in a plan view. Since the male screw portion for fixing the base is formed near the center of the base in a plan view, the base and the pedestal can be fixed with a small number of male screw portions, making the work easier.

Description

Technical Field

[0001] The present invention relates to a pedestal for installing a road marking body in an inclined manner with respect to an installation surface, an installation structure, and an installation method of the road marking body.

Background Art

[0002] A road marking body provided with a marking portion on a columnar portion is used as a sight line guiding mark or a lane separation mark. Since such a road marking body is often provided so that the column portion stands vertically with respect to the installation surface, when installed on an inclined surface such as a slope, the columnar portion is not in the vertical direction but is arranged in an inclined manner with respect to the vertical direction.

[0003] When installing such a road marking body on an inclined installation surface, a configuration for erecting the columnar portion in a direction closer to the vertical has been studied more conventionally, and various inventions have been published. For example, Patent Document 1 discloses an installation method of a sight line guiding mark including a pole, a base portion integrally formed with the pole at a position that becomes the lower end portion of the pole during use, and a pedestal for fixing and placing the base portion on the road surface during use. The installation method of the sight line guiding mark uses both a first fixing means for fixing the base portion only to the pedestal and a second fixing means composed of a bolt member for fixing the base portion together with the pedestal on the road surface. When installing the sight line guiding mark on the road surface, the second fixing means is constituted by a bolt member having a head portion, through holes are respectively formed in the pedestal and the base portion, the bolt member is inserted in a state where the through holes are collated, and the base portion is pressed in the direction of the pedestal by the head portion.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

[0005] The method for installing a traffic guidance marker shown in Patent Document 1 involves arranging the upper and lower surfaces of the base 25 in a non-parallel, inclined manner, as shown in Figures 7 to 9, so that the guidance specimen body 1 is installed in such a way that the pole 3 stands more vertically on an inclined road surface. Furthermore, the installation method described in Patent Document 1 involves fixing the base portion to the pedestal only by a first fixing means, and fixing the base portion together with the pedestal to the road surface by a second fixing means consisting of a bolt member. This ensures that even if the second fixing means alone is insufficient to secure the base portion, the first fixing means can firmly secure the base portion to the pedestal. However, because the pedestal and base portion are fixed with two types of fixing means, there is a problem in that the amount of work involved in installation and other tasks increases.

[0006] The present invention provides a base for easily erecting a column in a direction closer to vertical on an inclined installation surface, and an installation structure and method for a road marking using this base. [Means for solving the problem]

[0007] To achieve the above objective, the present invention has the following configuration. In other words, the pedestal according to the present invention is a pedestal that is placed between a road marking body, which comprises a base portion and a column portion extending upward from the base portion, and an installation surface, wherein the pedestal has an upper surface that is inclined relative to its lower surface, and is provided with a male screw portion that protrudes upward from the upper surface and fixes the base portion, and the male screw portion is formed near the center of the pedestal in a plan view.

[0008] According to the base of the present invention, since the upper surface is positioned at an inclination relative to the lower surface, when the lower surface is in contact with and fixed to an inclined mounting surface relative to the horizontal plane, the upper surface can be positioned in a direction close to the horizontal plane, and the column portion of the road marker body, which is in contact with the lower surface of the base portion of the upper surface, can be oriented in a direction close to vertical. Furthermore, it is equipped with a male screw portion that protrudes upward from the top surface to fix the base portion, and since this male screw portion is formed near the center of the base in a plan view, the base and the base portion can be fixed with a small number of male screw portions, making the work easier.

[0009] Furthermore, the installation structure for a road marking body according to the present invention is characterized in that the male screw portion is positioned perpendicular to the lower surface of the base, and it has a female screw member that is screwed into the male screw portion, and a washer member that is positioned between the female screw member and the base portion of the road marking body, the upper and lower surfaces of the washer member are positioned in an inclined manner corresponding to the angle of inclination between the upper and lower surfaces of the base, and the base portion is fixed to the base by the female screw member.

[0010] According to the road marking installation structure of the present invention, since the male screw portion is positioned perpendicular to the lower surface of the base, the male screw portion is positioned inclined with respect to the upper surface of the base, and also inclined with respect to the base portion of the road marking that contacts the upper surface of the base. Furthermore, the device includes a female thread member that is screwed onto the male thread portion and a washer member that is positioned between the female thread member and the base portion. The upper and lower surfaces of the washer member are positioned at an angle corresponding to the angle of inclination between the upper and lower surfaces of the base. As a result, the upper surface of the washer member can be positioned perpendicular to the axial direction of the male thread portion and positioned to abut against the female thread member that is screwed onto the male thread portion, allowing the female thread member and the washer member to contact each other completely rather than partially.

[0011] Furthermore, the installation structure for road markings according to the present invention is characterized in that the male threaded portion is positioned perpendicular to the upper surface of the base, and the base portion of the road marking is fixed to the base by a female threaded member that is screwed into the male threaded portion.

[0012] According to the installation structure for road markings of the present invention, since the male threaded portion is positioned perpendicular to the upper surface of the base, the female threaded member that screws onto the male threaded portion can be fixed to the base portion by making contact with the upper surface of the base not only partially but entirely.

[0013] Furthermore, the method for installing a road marking body according to the present invention is characterized in that the male screw portion is arranged perpendicular to the lower surface of the base, and includes the steps of: orienting the inclination direction of the upper and lower surfaces of the base in the opposite direction to the inclination direction of the installation surface; fixing the base to the installation surface; orienting a washer member, whose upper and lower surfaces are arranged in an inclined manner, in the opposite direction to the inclination direction of the upper and lower surfaces of the base; and screwing a female screw member onto the male screw portion of the base, which is inserted through the base portion of the road marking body that the washer member abuts against, thereby fixing the washer member and the base portion to the base.

[0014] According to the method for installing road markings according to the present invention, the inclination directions of the upper and lower surfaces of the base are oriented in the opposite direction to the inclination direction of the installation surface, so that the upper surface of the base can be positioned to be closer to horizontal. Furthermore, since the washer member is positioned so that its upper and lower surfaces face in opposite directions to the inclination direction of the upper and lower surfaces of the base, the upper surface of the washer member can be positioned perpendicular to the axial direction of the male thread portion and provided to contact the female thread member that is screwed onto the male thread portion.

[0015] Furthermore, the method for installing a road marking body according to the present invention is characterized in that the male screw portion is arranged perpendicular to the upper surface of the base, and includes the steps of: orienting the inclination direction of the upper and lower surfaces of the base in the opposite direction to the inclination direction of the installation surface; fixing the lower surface of the base to the installation surface; and screwing a female screw member onto the male screw member of the base that is inserted through the base portion of the road marking body to fix the base portion to the base.

[0016] According to the method for installing road markings according to the present invention, the inclination directions of the upper and lower surfaces of the base are oriented in the opposite direction to the inclination direction of the installation surface, so that the upper surface of the base can be positioned to be closer to horizontal. Furthermore, since the male threaded portion is positioned perpendicular to the upper surface of the base, the female threaded member that screws onto the male threaded portion can be positioned in a direction corresponding to the base portion that abuts the upper surface of the base, thereby fixing the base portion.

[0017] It is preferable to form a indicating portion on the pedestal that can grasp the inclination direction between the lower surface and the upper surface.

[0018] The indicating portion is preferably formed at a position where it can be visually recognized in a plan view or a bottom view of the pedestal.

[0019] It is preferable to form only one male screw portion near the center in the plan view of the pedestal.

Effect of the Invention

[0020] According to the pedestal, the installation structure, and the installation method of the road marking body according to the present invention, it is possible to easily fix the pedestal for easily erecting the column portion in a direction closer to vertical on an inclined installation surface and the base portion of the road marking body.

Brief Description of the Drawings

[0021] [Figure 1] It is a front view showing an embodiment of the pedestal according to the present invention. [Figure 2] It is a plan view of FIG. 1. [Figure 3] It is a cross-sectional view taken along the line A-A of FIG. 2. [Figure 4] It is a front view showing a state where the inclined pedestal portion and the male screw pedestal portion of FIG. 1 are separated. [Figure 5] It is a front view showing an embodiment of the road marking body. [Figure 6] It is a longitudinal end view near the base portion of FIG. 5. [Figure 7] [[ID=4十一]]It is a view showing a state where the base portion and the column portion of FIG. 6 are separated. [[ID=4十二]] [[ID=4十三]] [Figure 8] [[ID=4十四]]It is a longitudinal sectional view showing a state where the pedestal of FIG. 3 is fixed to the installation surface. [[ID=4十五]] [[ID=4十六]] [Figure 9] [[ID=4十七]]It is a view showing a state where the base portion of the road marking body of FIG. 7 is attached to the pedestal of FIG. 8. [[ID=4十八]] [[ID=4十九]] [Figure 10] (a) is a plan view and (b) is a front view showing an embodiment of the washer member. [[ID=五十]] [Figure 11] It is a view showing a state where the washer member and the nut member of FIG. 10 are attached and fixed to the male screw portion of the pedestal of FIG. 9. [Figure 12] This figure shows the column attached to the base shown in Figure 11. [Figure 13] This figure shows the state with the retaining member attached to maintain the engagement between the column and the base shown in Figure 12. [Figure 14] Figure 13 is a front view of a road marking structure erected by fixing the column to the base. [Figure 15] This is a front view showing another embodiment of the pedestal according to the present invention. [Figure 16] Figure 15 is a plan view. [Figure 17] This is a cross-sectional view AA of Figure 16. [Figure 18] This is a longitudinal cross-sectional view showing the base of Figure 17 fixed to the mounting surface. [Figure 19] This figure shows the base of the road marking unit shown in Figure 6 attached to the base shown in Figure 18. [Figure 20] This figure shows the state in which the female threaded member is screwed into the male threaded portion of the base shown in Figure 19. [Modes for carrying out the invention]

[0022] Embodiments of the present invention will be described based on the drawings. Figure 1 is a front view showing one embodiment of the base 1 according to the present invention, Figure 2 is a plan view of Figure 1, and Figure 3 is a cross-sectional view AA of Figure 2. The base 1 comprises a plate-shaped base 11 and a male screw portion 12 that protrudes upward from the upper surface of the base 11. The base 1 has a male screw base portion 3 and an inclined base portion 2 which is formed separately and positioned above the male screw base portion 3, and these two members constitute the base portion 11 and the male screw portion 12. In the following explanation, the vertical direction in Figure 1 will be referred to as the vertical direction, the horizontal direction perpendicular to the vertical direction will be referred to as the horizontal direction, and the direction perpendicular to both the vertical and horizontal directions will be referred to as the width direction.

[0023] Figure 4 is a front view showing the inclined base portion 2 and the male screw base portion 3 separated from each other in Figure 1. The male screw head portion 3 has a disc-shaped base plate 31, and the base plate 31 constitutes a part of the base portion 11. A bolt 35 is fixed to the center of the substrate 31, and the male thread 35a of this bolt 35 forms the male thread portion 12. Specifically, as shown in Figure 3, the male thread 35a of the bolt 35 is inserted through the substrate 31 from below and protrudes upward. Although the substrate 31 is formed from a stainless steel plate, it is not limited to this, and any metal material can be suitably used. Specifically, ferrous metal materials including special steels such as stainless steel and ordinary steel, and non-ferrous metal materials such as aluminum alloys can be used. Furthermore, corrosion resistance and other properties may be improved by applying chemical conversion treatments such as chromate treatment, or surface treatments such as plating and painting.

[0024] The bolt 35 is a so-called weld bolt having a disc-shaped head, and the head is welded to the metal base plate 31 for fixation. A circular recessed storage section 32 is formed on the lower surface of the base plate 31 by press forming, and the head of the bolt 35 is housed inside this storage section 32. The bolt 35 is fixed so that its male thread 35a is positioned perpendicular to the flat base plate 31.

[0025] The inclined base portion 2 is a plate-like body made of ethylene propylene diene rubber (EPDM) and constitutes a part of the base portion 11. As shown in Figure 2, the inclined base portion 2 is formed in a roughly oval shape in plan view, and the straight edges 24 formed at each end on both the upper and lower sides in the figure are arranged parallel to each other in the circular outer periphery. Each of these linear edges 24 is formed to follow the horizontal direction, which is the left-right direction in the figure, as shown in Figure 2, and functions as a directional section 23, which will be described later. Furthermore, a circular through-hole 25 is formed in the center of the inclined base section 2, extending vertically through it. Although the inclined base 2 shown in Figures 1-4 is made of EPDM, it is not limited to this material and may be made of other materials. For example, it can be made by selecting or combining synthetic rubber, natural rubber, polyurethane, polyvinyl chloride, or other elastomers.

[0026] The inclined base section 2 has a flat upper surface 21 and a lower surface 22, and as shown in Figure 4, the upper surface 21 and the lower surface 22 are arranged in an inclined manner rather than parallel in a front view. Specifically, in Figures 1 to 4, the thickness between the upper surface 21 and the lower surface 22 increases from the left side to the right side of the figure, with the thickness of the inclined base section 2 being smallest at the right end of the figure and largest at the left end of the figure. In other words, in a plan view, the inclination direction of the upper surface 21 and the lower surface 22 is not inclined in the width direction, but is arranged to follow the lateral direction.

[0027] In Figures 1, 3, and 4, the horizontal direction, which corresponds to the left-right direction in the figures, is aligned with the horizontal plane. The inclined base section 2 is positioned so that its lower surface 22 is aligned with the horizontal direction, and its upper surface 21 is positioned so that it slopes upward in the vertical direction as it moves towards the left side of the figure. In detail, the upper surface 21 is inclined at an angle of 3 degrees relative to the lower surface 22. The thickness of the inclined base portion 2 is smallest at the right end and largest at the left end in the plan view shown in Figure 2. Therefore, the inclination directions of the upper surface 21 and lower surface 22 coincide with the left-right direction in Figure 2. That is, in the plan view, the inclination direction of the inclined base portion 2 coincides with the orientation of the linear edges 24 formed along the left-right direction in the figure, and each edge 24 functions as an indicator 23 that allows for an intuitive understanding of the inclination direction of the inclined base portion 2.

[0028] In a base member such as the inclined base section 2, where the top and bottom surfaces are arranged at an angle, the direction of the incline can be determined by visual inspection from the side. However, if the shape in plan view is formed as a circle or similar, it is difficult to accurately determine the direction of the incline from a plan view or bottom view. In particular, when the angle of incline between the top and bottom surfaces is small, careful observation is necessary to accurately determine the direction of the incline even when viewed from the side. The base 1 shown in Figures 1-3 has a directional section 23 formed on the inclined base section 2, which allows for accurate determination of the inclination direction between the upper surface 21 and the lower surface 22 in both plan view and bottom view, thus reducing directional errors when installing on the mounting surface.

[0029] As shown in Figures 1 and 3, the base 1 has the upper surface of the base plate 31 of the male screw base 3, which is positioned below the inclined base 2, in contact with the lower surface 22, and the base plate 31 and the inclined base 2 constitute the base. Furthermore, the male thread 35a of the male thread base portion 3 is inserted through the through hole 25 of the inclined base portion 2 and protrudes upward from the upper surface 21 to form the male thread portion 12. Since the male thread portion 35a is positioned to protrude perpendicularly to the substrate 31, it is positioned perpendicularly to the substrate 31 and the lower surface 22 of the inclined base portion 2, and inclined relative to the upper surface 21 of the inclined base portion 2.

[0030] Figure 5 is a front view showing one embodiment of the road marking body 5. The road marking body 5 comprises a column portion 51 and a base portion 55, and is formed by erecting the column portion 51 so as to protrude above the base portion 55. The column section 51 is formed as a cylindrical hollow columnar body and is made of thermoplastic polyurethane resin so as to have flexibility that allows it to bend elastically due to contact with a vehicle, etc., and then return to its original state. A reflective sheet 54 having retroreflective properties that reflects the irradiated light back towards the light source is attached to the outer surface of the column portion 51.

[0031] The base portion 55 is made of acrylonitrile-styrene-acrylate resin (ASA resin), which is harder than the column portion 51. A through hole 56 is formed in the base portion 55 near the center in a plan view, and the through hole 56 is located directly below the column portion 51. Figure 6 is a vertical end view of the area near the base portion 55 in Figure 5. A roughly cylindrical base portion 53 is provided at the lower end of the column portion 51, and this base portion 53 is attached to the base portion 55. Specifically, the column portion 51 is fixed to the base portion 55 by engaging an engaging portion (not shown) formed on the base portion 53 with an engaging portion (not shown) formed on the base portion 55, and by attaching a holding member 57 that maintains the engagement of each of the engaging portions.

[0032] The engagement of each of the aforementioned engaging parts can be released by removing the holding member 57, and the base portion 53 can be removed from the base portion 55. Figure 7 shows the base portion 55 and column portion 51 of Figure 6 separated. In Figure 7, the column 51 is removed from the base 55 by detaching the holding member 57 from the base 55 and then releasing the engagement of each engaging part. The column 51 can be attached to the base 55 by performing the reverse operation, as shown in Figure 6, and the road marking body 5 is provided so that the column 51 can be attached to and detached from the base 55.

[0033] Figure 8 is a longitudinal cross-sectional view showing the base 1 from Figure 3 fixed to the mounting surface G. The installation surface G in Figure 8 is a slope-like inclined surface that slopes upward in the vertical direction from left to right in the figure, and more specifically, it is inclined at an angle of 3 degrees with respect to the horizontal direction, which is the left-right direction in the figure. In Figure 8, the base 1 is positioned so that the inclination direction of the inclined base portion 2 aligns with the opposite direction of the inclination of the mounting surface G, and the lower surface of the base portion 11 and the mounting surface G are firmly fixed with adhesive. Specifically, only the male screw base portion 3 of the base 1 is fixed to the mounting surface G by adhesive (not shown) applied to the lower surface of the substrate 31 which constitutes part of the base portion 11. That is, in the base 1 of Figure 8, the orientation of the inclined base portion 2 can be adjusted after the male screw base portion 3 has been adhesively fixed to the mounting surface G. In addition, the base 1 of Figure 8 is designed so that only the inclined base portion 2 can be removed from the male screw base portion 3 and replaced.

[0034] In Figure 8, the base 1 is formed such that the angle of inclination of the lower surface 22 relative to the upper surface 21 of the inclined base 2 is the same as the angle of inclination of the installation surface G with respect to the horizontal direction, and the inclination direction of the inclined base 2 is aligned with the opposite direction of the inclination of the installation surface G, so that the upper surface of the base 11, which is made up of the upper surface 21, is aligned with the horizontal direction. Furthermore, the male threaded portion 12 of the base 1 is positioned perpendicular to the substrate 31 which forms part of the lower surface of the base 11, and is positioned perpendicular to the mounting surface G. In other words, the male threaded portion 12 of the base 1 is not positioned perpendicular to the horizontal plane, but is inclined at an angle corresponding to the inclination of the mounting surface G with respect to the vertical direction.

[0035] Figure 9 shows the state in which the base portion 55 of the road marking body 5 shown in Figure 7 is attached to the base 1 shown in Figure 8. In Figure 9, the base portion 55 is placed on the upper surface 22 that constitutes the upper surface of the base portion 11, with the male threaded portion 12 of the pedestal 1 inserted through the through hole 56. The male threaded portion 12 is positioned at an angle with respect to the lower surface of the base portion 55 which is placed on the upper surface of the base portion 11, and is also inclined with respect to the direction of penetration of the through hole 56. The base portion 55 is fixed to the base 1 by a female threaded member 16 that is screwed onto the male threaded portion 12, with a spacer S and a washer member 15 attached to the male threaded portion 12.

[0036] Figure 10 shows one embodiment of the washer member 15, where (a) is a plan view and (b) is a front view. The washer member 15 is one of the components that make up the base 1, and is formed in a roughly plate shape with a rectangular upper surface 15a and a lower surface 15b, and has a circular through hole 15c in the center. The upper surface 15a and the lower surface 15b are not parallel but are arranged at an angle, and in the front view shown in Figure 10(b), the thickness increases from the right side to the left side of the figure. Specifically, the upper surface 15a and lower surface 15b of the washer member 15 are positioned at an angle corresponding to the inclination between the upper surface 21 and lower surface 22 of the inclined base portion 2, and more precisely, they are inclined at an angle of 3 degrees.

[0037] Figure 11 shows the female threaded member 16 and the washer member 15 from Figure 10 attached and fixed to the male threaded portion 12 of the base 1 from Figure 9. In Figure 11, a spacer S is attached to the male threaded portion 12 of the base 1 to fill the gap between the male threaded portion 12 and the through hole 56. The spacer S is cylindrical in shape, having an outer shape corresponding to the inner surface of the through hole 56 of the base portion 55 and a hollow portion corresponding to the outer diameter of the male threaded portion 12, and is made of elastically deformable ethylene propylene diene rubber (EPDM). By installing the spacer S, the gap between the through hole 56 and the male threaded portion 12 is sealed, suppressing misalignment and looseness of the base portion 55 fixed by the male threaded portion 12. Furthermore, since the spacer S is made of an elastically deformable material, it can effectively seal the gap between the through hole 56 and the male threaded portion 12, which are arranged at an angle to each other, thereby suppressing misalignment and looseness between the base 1 and the road marking body 5 even when the road marking body 5 is subjected to vibration or contact by a vehicle.

[0038] In Figure 11, the washer member 15 is mounted with its lower surface 15b resting on and in contact with the base portion 55 near the opening of the through hole 56, and the inclination directions of the upper surface 15a and lower surface 15b are aligned with the opposite direction of the inclination of the upper surface 21 and lower surface 22 of the inclined base portion 2. By mounting the washer member 15 in this way, the upper surface 15a of the washer member 15 is positioned parallel to the lower surface of the substrate 31 that constitutes the lower surface of the base portion 11, and is positioned perpendicular to the axial direction of the male screw portion 12.

[0039] The female threaded member 16 in Figure 11 is a hexagonal nut, which abuts against the upper surface 15a of the washer member 15 and is screwed onto the male threaded portion 12. Since the female threaded member 16 abuts against the upper surface 15a of the washer member 15, which is positioned perpendicular to the axial direction of the male threaded portion 12, the entire lower surface of the female threaded member 16, rather than just a part of it, abuts against the washer member 15. That is, the fastening force between the female threaded member 16 and the male threaded portion 12, which has its entire lower surface in contact, can be effectively transmitted to the base portion 55 via the washer member 15, and the base portion 55 can be firmly fixed to the base 1. In addition, by attaching the washer member 15, a part of the female threaded member 16 does not abut against the base portion 55, thus preventing damage to the base portion 55. Furthermore, the female threaded member 16 is not limited to a hexagonal nut; other nut members such as flange nuts or cap nuts may be used, or other members having female threads that can be screwed onto the male threaded portion 12 may be used.

[0040] Figure 12 shows the state in which the column portion 51 is attached to the base portion 55 of Figure 11. As shown in Figure 12, the column portion 51 restricts its vertical movement by engaging the engagement portion (not shown) formed on the base portion 53 with the engagement portion (not shown) formed on the base portion 55. The column portion 51 is fixed to the base portion 55 by attaching the holding member 57 to the base portion 55, thereby maintaining the engagement of each of the engaging portions.

[0041] Figure 13 shows the state in which the retaining member 57 that maintains the engagement between the column portion 51 and the base portion 55 of Figure 12 is attached, and Figure 14 is a front view of the road marking body 5 of Figure 13, which is erected by fixing the column portion 51 to the base portion 55. The road marking body 5 shown in Figures 13 and 14 has a column portion 51 detachably attached to the base portion 55 in the same way as the road marking body 5 shown in Figures 6 and 7, and the column portion 51 can be removed from the base portion 55 by removing the holding member 57 from the base portion 55.

[0042] The road markings 5 ​​shown in Figures 13 and 14 are fixed to the base 1 by contacting the lower surface of the base 55 with the upper surface 21 which is positioned horizontally, and the column portion 51 is erected in the vertical direction. Furthermore, since the road marking body 5 is fixed to the base portion 55 using a single male screw portion 12 provided in the center of the base 1, the work of fixing it to the base 1 is easy. Also, since the base portion 55 can be removed from the base 1 by unscrewing the female screw member 16 from the male screw portion 12, the work of replacing the installed road marking body 5 is easy. Moreover, with the road marking body 5 removed, the inclined base portion 2 of the base 1 can be removed and replaced.

[0043] Figure 15 is a front view showing another embodiment of the base 1 according to the present invention, Figure 16 is a plan view of Figure 15, and Figure 17 is a cross-sectional view AA of Figure 16. The main difference between the base 1 shown in Figures 15-17 and the base 1 shown in Figures 1-4 is that the base 31 of the male screw base 3 is fixed by contacting the upper surface 21 of the inclined base 2, rather than the lower surface 22. Specifically, the base 1 shown in Figures 15-17 includes an inclined base portion 2 and a male screw base portion 3, similar to the base 1 shown in Figures 1-4. The male screw base portion 3 shown in Figures 15-17 is formed in the same shape as the inclined base portion 2 and male screw base portion 3 shown in Figures 1-4. Furthermore, the inclined base portion 2 shown in Figures 15-17 is formed in the same shape as the inclined base portion 2 shown in Figures 1-4, except that it does not have a through hole 25.

[0044] The base 1 shown in Figures 15-17 has a male screw base 3 positioned vertically above the inclined base 2, and is irremovably bonded and fixed to the upper surface 21 of the inclined base 2 by adhesive applied to the lower surface of the substrate 31. The base 1 shown in Figures 15-17 consists of a base plate 31 and an inclined base portion 2, with a male threaded portion 12 protruding vertically upward from the center of the base 11, formed by a bolt 35 on the male threaded base portion 3. The male screw portion 12 is positioned perpendicular to the upper surface of the base portion 11, which is made up of a substrate 31 fixed to the upper surface 21 of the inclined base portion, and is positioned inclined with respect to the lower surface of the base portion 11, which is made up of the lower surface 22 of the inclined base portion 2.

[0045] Figure 18 is a longitudinal cross-sectional view showing the base 1 of Figure 17 fixed to the mounting surface G. The mounting surface G in Figure 18 is a slope-like inclined surface that slopes upward in the vertical direction from left to right in the figure, similar to the aforementioned mounting surface G in Figure 8, and is inclined at an angle of 3 degrees with respect to the horizontal direction. The base 1 in Figure 18 is positioned similarly to the base 1 shown in Figure 8, with the inclination direction of the inclined base portion 2 aligned with the opposite direction of the inclination of the installation surface G, and the lower surface 22 of the inclined base portion 2, which constitutes the lower surface of the base portion 11, and the installation surface G are firmly fixed together with adhesive.

[0046] In Figure 18, the base 1 is formed such that the angle of inclination of the lower surface 22 relative to the upper surface 21 of the inclined base 2 is the same as the angle of inclination of the installation surface G with respect to the horizontal direction, and the inclination direction of the inclined base 2 is aligned with the opposite direction of the inclination of the installation surface G, so that the upper surface of the base 11 made of the substrate 31 is aligned with the horizontal direction. Furthermore, the male screw portion 12 of the base 1 is positioned perpendicular to the upper surface of the base portion 11 and is positioned to face a vertical direction perpendicular to the horizontal direction.

[0047] Figure 19 shows the state in which the base portion 55 of the road marking body 1 shown in Figure 6 is attached to the base 1 shown in Figure 18. The base portion 55 in Figure 19 is placed on the upper surface of the substrate 31 that constitutes the upper surface of the base portion 11, with the male threaded portion 12 of the base 1 inserted through the through hole 56, similar to the base portion 55 in Figure 9. The male threaded portion 12 is positioned perpendicular to the lower surface of the base portion 55 that is placed on the upper surface of the base 11, and is positioned parallel to the direction of penetration of the through hole 56. The base portion 55 is fixed to the base 1 by a female threaded member 16 that is screwed onto the male threaded portion 12, with a spacer S and a washer P attached to the male threaded portion 12.

[0048] Figure 20 shows the state in which the washer P and female thread member 16 are attached to and fixed to the male thread portion 12 of the base 1 shown in Figure 19. The spacer S shown in Figure 20 is the same as the spacer S shown in Figure 11, and is installed to fill the gap between the male threaded portion 12 of the base 1 and the through hole 56. By installing the spacer S, the gap between the through hole 56 and the male threaded portion 12 is sealed, which suppresses misalignment and looseness of the base portion 55 fixed by the male threaded portion 12 even when the road marking body 5 is subjected to vibration or contact by a vehicle.

[0049] The washer P in Figure 20 is a flat washer, specifically a so-called flat washer. The washer P is positioned with its lower surface resting on and in contact with the base portion 55 near the opening of the through hole 56, similar to the washer member 15, and the female thread member 16 is in contact with its upper surface. The female thread member 16 shown in Figure 20 is the same as the female thread member 16 shown in Figure 11 and is formed from a hexagonal nut.

[0050] The base portion 55 shown in Figure 20 can be fitted with the column portion 51 in the same manner as described in Figures 11-14, and the holding member 57 can be attached to it, thereby allowing the road marker body 5, which includes the column portion 51, to be installed on the base 1. Furthermore, the column portion 51 of the road marker body 5 is positioned to extend in a vertical direction perpendicular to the horizontal plane, similar to the road marker body 5 shown in Figures 13 and 14.

[0051] The road marking body 5, which is constructed by attaching a column portion 51 to a base portion 55 as shown in Figure 20, and the road marking body 5 shown in Figures 13 and 14, have one male screw portion 12 formed near the center of the base portion 11 of the pedestal 1, and the base portion 55 of the road marking body 5 is attached using this male screw portion 12, making the installation of the road marking body 5 easy.

[0052] Furthermore, the base 1 shown in Figures 1-3 and Figures 15-17 have a directional indicator 23 that allows for the determination of the inclination direction between the lower and upper surfaces of the base 11. This allows for an intuitive and accurate determination of the inclination direction of the base 11, thereby reducing directional errors during installation on the mounting surface G. Furthermore, since the indicator section 23 is formed in a position visible from the top or bottom view of the base 1, the direction of the inclination of the base 11 can be intuitively and accurately grasped by viewing it from below or above in the vertical direction, thereby reducing directional errors when installing it on the installation surface G. In particular, by forming the indicator section 23 in a position visible from above in the vertical direction of the base 1, the installation work of the base 1 can be made easier.

[0053] Furthermore, the installation structure of the base 1 and the road marking body 5 using the base 1 according to the present invention is not limited to the above embodiment, and various modifications are possible without departing from the spirit of the present invention. For example, the inclined base portion 2 of the base 1 is formed in a roughly oval shape, but is not limited to this. It may be formed in other shapes, such as a circle or rectangle, on which the base portion 55 of the road marking body 5 can be placed.

[0054] Furthermore, the base 1 has a linear portion 23 on its outer surface that indicates the direction of the inclination between the upper and lower surfaces of the base 11, but it is not limited to this, and other configurations that allow the direction of the inclination of the inclined base 2 to be understood may be provided. For example, arrows, triangles, or other shaped marks may be displayed on the outer surface to indicate the position of the thickest and thinnest parts of the inclined base 2, or linear markings may be displayed on the outer surface to indicate the direction of the inclination of the inclined base, or other shapes or markings may be provided to allow the direction of the inclination to be understood. [Explanation of Symbols]

[0055] 1 base 11 Base 12 Male threaded section 15 Washer component 16 Female threaded member 2 Slope section 21 Top side 22 Bottom side 23 Display section 25 Through holes 3 Male screw base 31 circuit boards 32 Storage compartments 35 volts 35a Male thread 5. Roads over the ocean 51 Column section 54 Reflective sheet 55 Base section 56 Through hole 57 Retaining member G Installation surface P Washer S Spacer

Claims

1. A base is provided between a road marking body, which comprises a base portion and a column portion extending upward from the base portion, and the installation surface, The base is positioned with its upper surface inclined relative to its lower surface, and is provided with a male screw portion that protrudes upward from the upper surface to secure the base portion. A base characterized in that the male screw portion is formed near the center of the base in a plan view.

2. The base is characterized by having a square-shaped portion formed therein that allows for the determination of the inclination direction between the lower surface and the upper surface.

3. The base according to claim 2, characterized in that the indicated portion is formed in a position that can be seen in a plan view or a bottom view of the base.

4. The base according to any one of claims 1 to 3, characterized in that only one male screw portion is formed near the center of the base in a plan view.

5. A road marking structure comprising a base as described in claim 1, The male screw portion is positioned perpendicular to the lower surface of the base. It has a female threaded member that is screwed onto the male threaded portion, and a washer member that is positioned between the female threaded member and the base portion of the road marking body. A road sign installation structure characterized in that the upper and lower surfaces of the washer member are arranged in an inclined manner corresponding to the angle of inclination between the upper and lower surfaces of the base, and the base portion is fixed to the base by the female screw member.

6. A road marking structure comprising a base as described in claim 1, The male screw portion is positioned perpendicular to the upper surface of the base. A road marking installation structure characterized in that the base portion of the road marking is fixed to the base by a female threaded member that is screwed onto the male threaded portion.

7. A method for installing a road marking using the base described in claim 1, The male screw portion is positioned perpendicular to the lower surface of the base, The process involves orienting the top and bottom surfaces of the base in the opposite direction to the inclination of the mounting surface, The process of fixing the base to the mounting surface, The process involves orienting a washer member, whose upper and lower surfaces are arranged in an inclined manner, in the opposite direction to the inclination of the upper and lower surfaces of the base, A method for installing a road marking, characterized by including the step of fixing the washer member and the base to the base by screwing a female threaded member onto a male threaded member of a base that is inserted through the base portion of the road marking body that the washer member abuts against.

8. A method for installing a road marking using the base described in claim 1, The male screw portion is positioned perpendicular to the upper surface of the base, The process involves orienting the top and bottom surfaces of the base in the opposite direction to the inclination of the mounting surface, The process of fixing the underside of the base to the mounting surface, A method for installing a road marking, characterized by including the step of screwing a female threaded member onto a male threaded member of a base that is inserted through the base portion of the road marking, thereby fixing the base portion to the base.

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