Structure
The structure with a support column, cross member, bracket, and connecting member addresses the usability issues of conventional fences by preventing cross member rotation and enhancing attachment ease, thereby improving workability and connection strength.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- SANKYO TATEYAMA INC
- Filing Date
- 2024-12-25
- Publication Date
- 2026-07-07
AI Technical Summary
Conventional protective fences at the boundary between roadways and sidewalks lack good usability, particularly in terms of workability and stability when attaching cross members in a cantilevered manner.
A structure comprising a support column, cross member, bracket, and connecting member, where the connecting member is positioned adjacent to the inner peripheral side of the bracket, with an attachment member fixed to the support column and a holding member supporting the cross member, preventing rotation and improving attachment workability.
The structure effectively prevents rotation of cross members projecting from the support column, enhances attachment ease, and increases connection strength, resulting in improved usability and workability.
Smart Images
Figure 2026112460000001_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to a structure such as a protective fence.
Background Art
[0002] Conventionally, structures such as protective fences installed at the boundary between a roadway and a sidewalk are known. In such structures, those with good usability are required.
Summary of the Invention
Problems to be Solved by the Invention
[0003] In view of the above-described circumstances, an object of the present invention is to provide a structure with good usability.
Means for Solving the Problems
[0004] In order to achieve the above object, the structure according to the invention described in claim 1 includes a support column, a cross member, a bracket, and a connecting member. The bracket attaches an end portion in the longitudinal direction of the cross member to the support column. The connecting member is provided at a position adjacent to the inner peripheral side of the bracket of the cross member and has an attachment member fixed to the support column and a holding member attached to the attachment member and supporting the cross member.
Effects of the Invention
[0005] The structure according to the invention described in claim 1 includes a support column, a cross member, a bracket, and a connecting member. The bracket attaches an end portion in the longitudinal direction of the cross member to the support column. The connecting member is provided at a position adjacent to the inner peripheral side of the bracket of the cross member and has an attachment member fixed to the support column and a holding member attached to the attachment member and supporting the cross member. Thus, even when the cross member is provided so as to project from the support column in a cantilever manner, rotation of the cross member can be prevented, and moreover, workability when attaching the cross member to the support column can be improved, so that usability is good.
Brief Description of the Drawings
[0006] [Figure 1]This is a front view showing an enlarged view of the area around the end support column of the structure shown in Figure 4. [Figure 2] This is a cross-sectional view AA in Figure 1. [Figure 3] This is a cross-sectional view of BB in Figure 1. [Figure 4] This is a front view showing one embodiment of the structure of the present invention. [Figure 5] This is a perspective view showing the state when the top rail of the lattice unit is attached to the bracket of the support column. [Figure 6] This is a perspective view showing the state when machining mounting holes for attaching connecting members to the support column. [Figure 7] This is a perspective view showing the state when the cantilevered lattice unit is attached to the end support column. [Modes for carrying out the invention]
[0007] The embodiments of the present invention will be described below with reference to the drawings. Figures 1 to 4 show one embodiment of the structure of the present invention. This structure is applied to a protective fence installed at the boundary between a roadway and a sidewalk, and as shown in Figure 4, it comprises a plurality of support posts 1, 1, ... erected from the ground G at predetermined intervals (for example, 3 m), a grid unit 8 between the support posts 1, 1, and an overhanging grid unit 9 extending laterally from the end support post 1.
[0008] As shown in Figure 2, the support column 1 is formed from an extruded aluminum alloy profile, with a cylindrical shape having a circular cross-section. The upper end of the support column 1 is sealed with a cap 10, as shown in Figure 1.
[0009] As shown in Figures 1, 2, and 4, brackets 4 for attaching lattice units 8 and 9 are provided protruding from both the left and right sides of the upper and lower parts of the support column 1. The brackets 4 are made of cast aluminum and, as shown in Figures 2 and 5, are formed in a roughly U-shape in plan view, having a pair of visible walls 11, 11 and a recessed wall 12 that curves along the outer surface of the support column 1. Insertion holes 14 for through pins 13 for attaching the lattice units 8 and 9 are formed at the tip ends of the visible walls 11, 11, and inclined surfaces 15 are formed at an angle of 45° with respect to the recessed direction. As shown in Figure 3, the recessed wall 12 has two elongated holes 16 in the recessed direction that are spaced apart vertically, and the brackets 4 are attached to the support column 1 by screwing bolts 17 through these elongated holes 16 into the support column 1.
[0010] As shown in Figure 4, the column-to-column lattice unit 8 is constructed by installing numerous vertical lattice members 18 at intervals in the left-right direction between the upper rail (horizontal member) 2 and the lower rail (horizontal member) 3. As shown in Figures 2 and 3, the upper rail 2, the lower rail 3, and the vertical lattice members 18 are each formed from extruded aluminum alloy profiles. As shown in Figures 1 and 2, the column lattice unit 8 is attached to the column 1 via the bracket 4 by positioning the longitudinal ends of the upper rail 2 and lower rail 3 between the pair of visible walls 11, 11 of the bracket 4, inserting a through pin 13 from one side to the other in the depth direction, and attaching a screw 19 to the tip of the through pin 13.
[0011] As shown in Figures 4 and 7, the cantilevered lattice unit 9 is constructed in the same way as the inter-column lattice unit 8, by installing vertical lattice members 18 between the upper rail 2 and the lower rail 3, and by attaching and screwing side plates 20 across the end faces of the upper rail 2 and the lower rail 3. As shown in Figures 1, 2, and 3, the cantilevered lattice unit 9 is constructed by connecting the longitudinal ends of the upper rail 2 and lower rail 3 to the visible walls 11, 11 of the bracket 4 with through pins 13, and by connecting members 5 provided adjacent to the inner circumference of the bracket 4 to connect the upper rail 2 and lower rail 3 to the support column 1, thereby restricting the rotation of the upper rail 2 and lower rail 3 around the through pins 13.
[0012] As shown in Figures 1, 2, 3, and 7, the connecting member 5 consists of two components: a mounting member 6 fixed to the support column 1, and a retaining member 7 attached to the mounting member 6 to support the upper rail 2 and the lower rail 3. As shown in Figures 2 and 6, the mounting member 6 is formed in a roughly plate-like shape from an extruded aluminum alloy profile with the vertical direction of extrusion. It has a concave curved surface 21 on the side facing the support column 1 that follows the outer surface of the support column 1, and a U-shaped groove 22 on the side opposite to the support column 1 into which the retaining member 7 engages. The mounting member 6 also has inclined surfaces 23 on one side and the other side in the depth direction, and these inclined surfaces 23 and the visible surfaces 24 on one side and the other side are flush with the inclined surface 15 and the visible surfaces 25 on one side and the other side of the bracket 4. The mounting member 6 has a hole 27 formed in the center in the depth direction through which a bolt 26 is inserted.
[0013] As shown in Figures 1 and 7, the retaining member 7 is formed from an extruded aluminum alloy profile with the depth direction as the extrusion direction, and is formed in a roughly L-shape with a vertical piece 28, a horizontal piece 29, and a reinforcing rib 30. The vertical piece 28 has a hole 31 through which a bolt 26 that is screwed into the support column 1 is inserted, and the horizontal piece 29 has a hole 33 through which a bolt 32 that is screwed into the upper rail 2 and the lower rail 3 is inserted. As shown in Figures 2 and 7, the mounting member 6 and the retaining member 7 are attached to the support column 1 by fastening them together with bolts 26 from the side, with the vertical piece 28 of the retaining member 7 engaged with the groove 22 of the mounting member 6. The longitudinal ends of the upper rail 2 and lower rail 3 are then screwed to the horizontal piece 29 of the retaining member 7 with bolts 32 in the vertical direction.
[0014] Next, the procedure for installing the overhanging lattice unit 9 will be explained. First, as shown in Figure 6, brackets 4 are pre-attached to the upper and lower parts of the support column 1. Mounting members 6 are positioned so that their concave curved surface 21 abuts against the support column 1, and the inclined surface 23 of the mounting member 6 and the visible surfaces 24 on one and the other sides are flush with the inclined surface 15 and the visible surfaces 25 on one and the other sides of the bracket 4. Mounting holes 34 (see Figures 1 and 2) are then drilled into the support column 1 to match the positions of the holes 27 in the mounting member 6. Next, as shown in Figure 7, the vertical piece 28 of the retaining member 7 is engaged with the groove 22 of the mounting member 6 which is positioned in a predetermined location, and the bolt 26, which is inserted from the side through the vertical piece 28 and the holes 31 and 27 of the mounting member 6, is screwed into the mounting hole 34 formed in the support column 1, thereby attaching the mounting member 6 and the retaining member 7 to the support column 1. Subsequently, as shown in Figure 7, the longitudinal ends of the upper rail 2 and lower rail 3 of the overhanging lattice unit 9 are inserted between the pair of visible walls 11, 11 of the bracket 4 and secured with through pins 13, and the horizontal pieces 29 of the retaining material 7 are secured to the upper rail 2 and lower rail 3 with bolts 32.
[0015] In this structure, when attaching the cantilevered lattice unit 9 to the support column 1, a connecting member 5 is provided adjacent to the inner circumference of the bracket 4, and the support column 1 is connected to the upper rail 2 and lower rail 3 with the connecting member 5, thereby restricting the rotation of the upper rail 2 and lower rail 3, which are cantilevered to the support column 1, around the through pin 13. The connecting member 5 is composed of two components: an attachment member 6 fixed to the support column 1, and a retaining member 7 attached to the attachment member 6 to support the upper rail 1 and lower rail 2. This allows the attachment member 6 and the retaining member 7 to be manufactured inexpensively using extruded profiles. Furthermore, when the thickness or shape of the support column 1 changes, only the attachment member 6 needs to be manufactured to match the shape of the support column 1, while the retaining member 7 can be reused, making it a rational design. Furthermore, by placing only the mounting material 6 against the support column 1, the mounting holes 34 can be machined into the support column 1. Moreover, by positioning the mounting material 6 in alignment with the bracket 4 so that the inclined surface 23 of the mounting material 6 and the visible surfaces 24 on one and the other side are flush with the inclined surface 15 of the bracket 4 and the visible surfaces 25 on one and the other side, the mounting holes 34 can be machined easily and accurately. Since the retaining member 7 is engaged with the groove 22 of the mounting member 6, it can be installed with only one bolt 26, restricting rotation and movement in the forward direction.
[0016] As described above, this structure includes a support column 1, horizontal members (upper crossbar 2, lower crossbar 3), brackets 4, and connecting members 5. The brackets 4 are used to attach the longitudinal ends of the horizontal members 2 and 3 to the support column 1. The connecting members 5 are provided at positions adjacent to the inner circumferential side of the brackets 4 of the horizontal members 2 and 3 and have a mounting member 6 fixed to the support column 1 and a holding member 7 attached to the mounting member 6 for supporting the horizontal members 2 and 3 (see FIGS. 1, 2, and 3). Even when the horizontal members 2 and 3 are provided to project from the support column 1 in a cantilevered manner, rotation of the horizontal members 2 and 3 can be prevented, and moreover, the workability when attaching the horizontal members 2 and 3 to the support column 1 can be improved, so it is user-friendly. Since the holding member 7 restricts movement in the expected direction by engaging with an engaging portion (groove portion) 22 provided in the mounting member 6 (see FIGS. 2 and 3), the holding member 7 can be positioned with respect to the mounting member 6 and easily attached, and the connection strength between the horizontal members 2 and 3 and the support column 1 can be increased. The support column 1 has a circular outer shape in cross-section, and the mounting member 6 has a concave curved surface 21 along the outer surface of the support column 1 (see FIGS. 2 and 6). Therefore, the connecting member 5 can be stably attached to the support column 1 having a circular outer shape in cross-section. Since the brackets 4 and the mounting member 6 have portions (inclined surfaces 15 and 23, mating surfaces 24 and 25) that are substantially flush on one side and the other side in the expected direction (see FIGS. 2 and 6), by aligning the mounting member 6 with the brackets 4 so that these portions are flush, the machining of the mounting holes 34 of the support column 1 can be easily performed, and the workability is further improved.
[0017] The present invention is not limited to the embodiments described above. The materials and cross-sectional shapes of the support column and the horizontal members can be appropriately changed. The shapes and materials of the brackets and the connecting members can be appropriately changed. The present invention can be applied not only to the protective fence provided at the boundary between the sidewalk and the roadway, but also to any structure including a support column and a horizontal member, such as a fence, a handrail, etc.
Explanation of Reference Numerals
[0018] 1 Support column 2 Upper crossbar (horizontal member) 3 Lower crossbar (horizontal member) 4 Bracket 5 Connecting member 6. Mounting materials 7 Holding material
Claims
[Claim 1] A structure comprising a support column, a horizontal member, a bracket, and a connecting member, wherein the bracket attaches the longitudinal end of the horizontal member to the support column, and the connecting member is provided adjacent to the inner circumference side of the bracket of the horizontal member, and is characterized by having a mounting member fixed to the support column and a retaining member attached to the mounting member to support the horizontal member.