Barricade support legs

Abstract

To provide a support leg for a barricade which constitutes a single-pipe barricade and can prevent the single-pipe barricade from collapsing. [Solution] A barricade support leg X comprises a leg body 1, first and second clamps 2, 3, and first and second mounting fixtures 4, 5. The leg body has an opening 21 that opens to the leg front surface 15 and leg back surface of the leg body, as well as to one leg outer surface 13. The opening has first and second leg inner surfaces that intersect with the leg length centerline of the leg body in the leg length direction. The first and second clamps are placed in the opening with their clamp bodies 35 abutting the first and second leg inner surfaces. In the first mounting fixture, the axial centerline D of the threaded shank 53 of the mounting bolt is positioned perpendicular to the first leg inner surface, and the first clamp is attached to the leg body. In the second mounting fixture, the axial centerline D of the threaded shank of the mounting bolt is positioned perpendicular to the second leg inner surface, and the second clamp is attached to the leg body.

Description

[Technical field]

[0001] The present invention relates to a barricade support leg that constitutes a barricade. [Background technology]

[0002] As a technique for constructing a barricade, Patent Document 1 discloses a pipe support leg for a barricade pipe. The pipe support leg comprises a pipe support leg body, an upper clamp, and a lower clamp. The pipe support leg body has a lower clamp installation hole and an access hole. The upper clamp is placed on the pipe support leg body with its base frame abutting against the top surface of the pipe support leg body. The lower clamp is placed on the pipe support leg body with its base frame abutting against the inner bottom surface of the lower clamp installation hole. Each clamp is attached to the pipe support leg body by an attachment bolt and a fixing nut.

[0003] The mounting bolt that fixes the upper clamp to the pipe support leg body is positioned so that the axial centerline of the screw shank coincides with the leg width centerline in the width direction of the pipe support leg body. The mounting bolt passes through the base frame of the upper clamp and the pipe support leg body, with one axial end of the screw shank protruding into the access hole and the head abutting the base frame of the upper clamp. The fixing nut that attaches the upper clamp to the support leg body is screwed onto the screw shank protruding into the access hole and is pressed against the inside surface of the access hole.

[0004] The mounting bolt that mounts the lower clamp to the pipe support leg body is positioned so that the axial centerline of the screw shank coincides with the leg width centerline. The mounting bolt passes through the base frame of the lower clamp and the pipe support leg body, with one axial end of the screw shank protruding from the bottom surface of the pipe support leg body and the head of the bolt abutting the base frame of the lower clamp. The fixing nut that mounts the lower clamp to the pipe support leg body is screwed onto the screw shank protruding from the bottom surface of the pipe support leg body and is pressed against the bottom surface of the pipe support leg body.

[0005] The pipe support legs are installed on a mounting surface to form a single-pipe barricade and support the ends of the single pipes. The single-pipe barricade comprises a pair of pipe support legs and two single pipes. Each pipe support leg is disposed at an interval between each of the pipe support legs. Each single pipe is spanned between the upper clamps of each pipe support leg and between the lower clamps of each pipe support leg. Each end of each single pipe is held by the upper clamps of each pipe support leg and by the lower clamps of each pipe support leg. [Prior art documents] [Patent documents]

[0006] [Patent Document 1] Utility Model Registration No. 3190805 Summary of the Invention [Problem to be solved by the invention]

[0007] In Patent Document 1, each pipe support leg that makes up the barricade is positioned so that the axial center line of the screw shank of the fixing screw that attaches each clamp to the pipe support leg coincides with the leg width center line of the pipe support leg. Therefore, there is a risk that the barricade will fall over as each clamp that holds each single pipe rotates around the leg width center line (axial center line of the screw shank).

[0008] The present invention aims to provide a support leg for a barricade that can be used to construct a single-tube barricade and prevent the single-tube barricade from collapsing. [Means for solving the problem]

[0009] Claim 1 of the present invention relates to a leg body formed in a three-dimensional shape having a leg top surface and a leg bottom surface in the leg length direction, a pair of leg outer sides in the leg width direction, and a leg front surface and a leg back surface in the leg thickness direction, a clamp body, a clamp opening and closing part arranged so as to be freely rotatable with respect to the clamp body, a first and second clamp for inserting a single pipe into a pipe insertion hole formed between the clamp body and the clamp opening and closing part, and gripping the single pipe with the clamp body and the clamp opening and closing part, a mounting bolt having a threaded shaft part and a head arranged at one axial end of the threaded shaft part, and a mounting nut, and a first and second mounting fixture for mounting the second clamp to the leg body, the leg body being disposed between the leg top surface and the leg bottom surface, the leg body having an opening penetrating the leg body in the leg thickness direction, the opening being opened on the leg front surface and the leg back surface, and an opening hole opened on one of the leg outer surfaces, the opening having first and second leg inner surfaces, the first leg inner surface being disposed between the leg length centerline of the leg body in the leg length direction and the leg top surface, and being disposed between the other leg outer surface and an opening of one of the leg outer surfaces of the opening in the leg width direction. and is formed at a first angle on the other leg outer side surface side with respect to the leg length center line, the second leg inner side surface is disposed between the leg length center line and the leg bottom surface in the leg length direction, and is disposed between the second leg inner side surface and an opening of one of the leg outer sides of the opening in the leg width direction, and is formed at a second angle on the other leg outer side surface side with respect to the leg length center line, and the opening hole is disposed between the second leg inner side surface and the other leg outer side surface in the leg width direction, and penetrates the leg body in the leg thickness direction, An opening is formed on the back surface of the leg, the first clamp is disposed in the opening with the clamp body abutting the first leg inner side surface and the hole center line of the pipe insertion hole facing the leg thickness direction, the second clamp is disposed in the opening with the clamp body abutting the second leg outer side surface and the hole center line of the pipe insertion hole facing the leg thickness direction, and in the first mounting fixture, the mounting bolt is disposed with the axial center line of the threaded shank perpendicular to the first leg inner side surface, and the threaded shank penetrates the clamp body and the leg main body of the first clamp,a barricade support leg, the other axial end of the screw shank protruding from the outer side surface of the other leg and the head abutting against the clamp body of the first clamp, the mounting nut in the first mounting fixture is screwed onto the other axial end of the screw shank protruding from the outer side surface of the other leg and pressed against the outer side surface of the other leg; in the second mounting fixture, the mounting bolt is disposed with the axial center line of the screw shank perpendicular to the inner side surface of the second leg, the screw shank penetrates the clamp body and the leg body of the second clamp, the other axial end of the screw shank protruding into the opening hole and the head abutting against the clamp body of the second clamp, the mounting nut in the second mounting fixture is screwed onto the other axial end of the screw shank protruding into the opening hole and pressed against the inner peripheral surface of the opening hole.

[0010] Claim 2 of the present invention is the support leg for a barricade as described in claim 1, characterized in that the leg body has a leg bottom and a pipe insertion groove formed in the leg bottom, the leg bottom being formed between the opening and the leg bottom surface in the leg length direction and disposed between the leg outer side surfaces in the leg width direction, the pipe insertion groove being formed between the second leg outer side surface and one of the leg outer side surfaces in the leg width direction, and penetrating the leg bottom in the leg thickness direction, opening to the leg surface and the leg back surface as well as opening to the opening.

[0011] Claim 3 of the present invention relates to a leg body having first and second support protrusions, the first support protrusion being disposed in the opening between the leg length centerline and the leg top surface at a distance from the leg length centerline in the leg length direction, protruding from the first leg inner surface into the opening in the leg width direction and formed between the first leg inner surface and an opening on one of the leg outer surfaces of the opening, the second support protrusion being disposed in the opening between the leg length centerline and the leg bottom at a distance from the first support protrusion in the leg length direction, protruding from the second leg outer surface into the opening in the leg width direction and formed between the second leg inner surface and the pipe insertion groove, and the first clamp being disposed in the opening between the first support protrusion and the leg bottom at a distance from the first support protrusion in the leg length direction, The barricade support leg described in claim 2, characterized in that the second clamp is positioned in the opening between the first and second support protrusions and the leg top surface, with the clamp body abutting the first leg inner side and the hole center line of the pipe insertion hole facing the leg thickness direction, and is positioned on the leg body so that the clamp body can abut against the first support protrusion from the leg length direction, and the second clamp is positioned in the opening between the first and second support protrusions in the leg length direction, with the clamp body abutting the second leg inner side and the hole center line of the pipe insertion hole facing the leg thickness direction, and is positioned on the leg body so that the clamp body can abut against the second support protrusion from the leg length direction. Effect of the Invention

[0012] In the present invention, the barricade support legs form a single-tube barricade and support the tube ends of a plurality of single tubes. The single-tube barricade is composed of a pair of barricade support legs and a plurality of single tubes. In a single-tube barricade (barricade), each barricade support leg is disposed at an interval between each of the barricade support legs. In a single-tube barricade, each single tube is spanned between the first clamps of each barricade support leg and between the second clamps of each barricade support leg. In a single-tube barricade, each tube end of the single tube spanned between each first clamp is held by each first clamp and supported by each barricade support leg (each first clamp). In a single-tube barricade, each tube end of the single tube spanned between each second clamp is held by each second clamp and supported by each barricade support leg (each second clamp). Each barricade support leg that makes up the barricade is positioned so that the axial center line of the screw shaft of the first mounting fixture that attaches each first clamp to the leg body intersects the leg width center line of the barricade support leg in the leg width direction, and the axial center line of the screw shaft of the second mounting fixture that attaches each second clamp to the leg body intersects the leg width center line, so that the first and second clamps that grip each single pipe do not rotate around the leg width center line (axial center line of the screw shaft). Therefore, by constructing a single-tube barricade using a pair of barricade support legs, the single-tube barricade can be prevented from collapsing. [Brief description of the drawings]

[0013] [Figure 1] FIG. 2 is a perspective view showing the barricade support leg of the present invention, seen from one of the outer sides of the leg. [Diagram 2] FIG. 2 is a perspective view showing the barricade support leg of the present invention as seen from the outer side of the other leg. [Diagram 3] 1 is a front view showing a barricade support leg according to the present invention; [Figure 4] FIG. 2 is a rear view showing the barricade support leg of the present invention; [Diagram 5] 1A is a plan view of a barricade support leg according to the present invention, and FIG. 1B is a bottom view of the barricade support leg according to the present invention. [Figure 6] FIG. 2 is a right side view showing the barricade support leg of the present invention. [Figure 7] FIG. 2 is a left side view showing the barricade support leg of the present invention. [Figure 8] 4 is a cross-sectional view taken along line AA in FIG. [Figure 9] 4A is a cross-sectional view taken along line BB in FIG. 3, and FIG. 4B is a cross-sectional view taken along line CC in FIG. [Figure 10] FIG. 8 is a cross-sectional view taken along the line DD in FIG. [Figure 11] 4(a) is an enlarged view of a portion E in FIG. 3, and (b) is an enlarged view of a portion F in FIG. [Figure 12] FIG. 11 is an enlarged view of part G in FIG. [Figure 13] FIG. 11 is an enlarged view of part H in FIG. [Figure 14] FIG. 2 is a perspective view showing a single-tube barricade. [Figure 15] FIG. 2 is a front view showing a single-tube barricade. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0014] The barricade support leg according to the present invention will be described with reference to FIGS.

[0015] 1 to 8, a barricade support leg X includes a leg body 1, first and second clamps 2, 3, and first and second mounting fixtures 4, 5.

[0016] 1 to 7, the leg body 1 has, for example, a leg length direction L, a leg width direction H, and a leg thickness direction T, and is formed of synthetic resin into a hollow three-dimensional shape. The leg body 1 is formed into a three-dimensional shape (hollow three-dimensional shape) having a leg top surface 11 (leg upper surface) and a leg bottom surface 12 in the leg length direction L, a pair of leg outer surfaces 13, 14 (first leg outer surface 13, second leg outer surface 14) in the leg width direction H, and a leg front surface 15 and a leg back surface 16 in the leg thickness direction T. The leg width direction H is a direction perpendicular to the leg length direction L and the leg thickness direction T. The leg thickness direction T is a direction perpendicular to the leg length direction L and the leg width direction H.

[0017] As shown in Figures 1 to 8, the leg body 1 has a leg length between the leg top surface 11 and the leg bottom surface 12 in the leg length direction L. The leg body 1 has a leg width between the leg outer surfaces 13, 14 (outer surfaces) in the leg width direction H. The leg body 1 has a leg thickness between the leg front surface 15 and the leg back surface 16 in the leg thickness direction T. The leg body 1 is formed, for example, in a trapezoidal shape that gradually narrows from the leg bottom surface 12 to the leg top surface 11 in the leg length direction L.

[0018] As shown in Figures 1 to 4 and 6, the leg body 1 has an opening 21 (leg opening), an opening hole 22 (leg opening hole), a leg bottom 23, a tube insertion groove 25 (tube insertion hole groove), and first and second support protrusions 26, 27.

[0019] The opening 21 is formed in the leg body 1 as shown in Figs. 1 to 4 and 6. The opening 21 is disposed between the leg top surface 11 and the leg bottom surface 12 in the leg length direction L. The opening 21 is disposed at a distance from the leg top surface 11 in the leg length direction L. The opening 21 is disposed at a distance from the leg bottom surface 12 in the leg length direction L. The opening 21 penetrates the leg body 1 and opens in the leg front surface 15 and the leg back surface 16 in the leg thickness direction T, and opens in one leg outer surface 13 (first leg outer surface) in the leg width direction H. The opening 21 is disposed between the leg outer surfaces 13, 14 at a distance from the other leg outer surface 14 (second leg outer surface) in the leg width direction H, and opens in one leg outer surface 13. The opening 21 has an opening width extending from one leg outer surface 13 to the other leg outer surface 14 in the leg width direction H, and is opened on one leg outer surface 13.

[0020] The opening 21 (leg main body 1) has a first leg inner side surface 31 and a second leg inner side surface 32, as shown in FIGS.

[0021] As shown in Figures 1 to 4, the first and second leg inner surfaces 31, 32 are formed at positions having an opening width from one leg outer surface 13 to the other leg outer surface 14 in the leg width direction H (the opening width direction of the opening 21).

[0022] The first leg inner surface 31 (first inner surface of the opening 21) is disposed (formed) on the leg top surface 11 side in the leg length direction L, as shown in Figs. 1 to 4 and Fig. 11(a). The first leg inner surface 31 (first inner plane) is disposed between the leg length center line A in the leg length direction L (the center line between the leg top surface 11 and the leg bottom surface 12 in the leg length direction L) and the leg top surface 11, as shown in Fig. 4. The first leg inner surface 31 is disposed between the leg outer surfaces 13, 14 in the leg width direction H (the opening width direction of the opening 21). The first leg inner surface 31 is disposed between the other leg outer surface 14 and the opening B of one leg outer surface 13 of the opening 21 (the opening of the leg outer surface 13 of the opening 21) in the leg width direction H. The first leg inner side surface 31 is disposed (formed) opposite to the opening B (one of the leg outer side surfaces 13) of the one leg outer side surface 13 of the opening 21 in the leg width direction H.

[0023] As shown in Figs. 1 to 4, the first leg inner side surface 31 is formed at a first angle θ1 on the other leg outer side surface 14 side with respect to the leg length center line A. The first leg inner side surface 31 is disposed between the leg outer sides 13, 14 in the leg width direction H (opening width direction of the opening 21) with the first angle θ1 between the first leg inner side surface 31 and the leg length center line A. The first angle θ1 is greater than 0 degrees and less than 180 degrees, for example, 90 degrees. The first leg inner side surface 31 is formed at the first angle θ1: 90 degrees with a face length in the leg length direction L and a face width in the leg thickness direction T, as shown in Fig. 6.

[0024] The second leg inner surface 32 (the second inner surface of the opening 21) is arranged (formed) on the leg bottom surface 12 side (the leg bottom portion 23 side) in the leg length direction L, as shown in Figs. 1 to 4 and Fig. 11(b). The second leg inner surface 32 (the second inner plane) is arranged between the leg length center line A and the leg bottom portion 23 (the leg bottom surface 12) in the leg length direction L. The second leg inner surface 32 is arranged between the leg outer surfaces 13, 14 in the leg width direction H (the opening width direction of the opening 21). The second leg inner surface 32 is arranged between the first leg inner surface 31 and the opening B of one leg outer surface 13 of the opening 21 (the opening of one leg outer surface 13 of the opening 21) in the leg width direction H. The second leg inner surface 32 is arranged on the opening B side of one leg outer surface 13 of the opening 21 than the first leg inner surface 31 in the leg width direction H. The second leg inner surface 32 is disposed between the first leg inner surface 31 and the tube insertion groove 25 in the leg width direction H.

[0025] As shown in FIG. 4, the second leg inner side surface 32 is formed at a second angle θ2 with respect to the leg length center line A toward the other leg outer side surface 14. The second leg inner side surface 32 is disposed between the first leg inner side surface 31 and the tube insertion groove 25 (one leg outer side surface 13) in the leg width direction H (opening width direction of the opening 21) with a second angle θ2 (for example, a second angle θ2 different from the first angle θ1) between the second leg inner side surface 32 and the leg length center line A. The second leg inner side surface 32 is inclined at the second angle θ2 with respect to the leg length center line A while extending from the leg bottom portion 23 to the leg top surface 11 and the other leg outer side surface 14. The second angle θ2 is greater than 0 degrees and less than 180 degrees, for example, 78 degrees (60 degrees to 85 degrees). As shown in FIG. 6, the second leg inner side surface 32 is formed with a face length in the inclination direction and a face width in the leg width direction H.

[0026] The opening hole 22 is formed in the leg body 1 as shown in Figs. 1 to 4. The opening hole 22 is disposed between the leg length center line A and the leg bottom surface 12 (leg bottom portion 23). The opening hole 22 is disposed on the leg bottom surface 12 side with a gap between it and the leg bottom surface 12 in the leg length direction L. The opening hole 22 is disposed between the second leg inner surface 32 and the other leg outer surface 14 in the leg width direction H. The opening hole 22 (leg hole) is disposed with a gap between it and the opening 21 (second leg inner surface 32) in the leg width direction H. The opening hole 22 is disposed with a gap between it and the other leg outer surface 14 (second leg outer surface) in the leg width direction H. The opening hole 22 penetrates the leg body 1 in the leg thickness direction T and opens in the leg front surface 15 and the leg back surface 16.

[0027] 1 to 4, the leg bottom portion 23 is formed between the opening 21 (opening hole 22) and the leg bottom surface 12 in the leg length direction L. The leg bottom portion 23 is formed between the opening hole 22 and the leg bottom surface 12 in the leg length direction L. The leg bottom portion 23 is disposed (formed) between the leg outer surfaces 13, 14 in the leg width direction H.

[0028] As shown in Figures 1 to 4, 9 and 11(b), the pipe insertion groove 25 is formed in the leg bottom 23 on the side of one leg outer surface 13 in the leg width direction H. The pipe insertion groove 25 is formed between the second leg inner surface 32 and one leg outer surface 13 in the leg width direction H. The pipe insertion groove 25 is formed with a groove depth from the opening 21 toward the leg bottom surface 12 in the leg length direction L. The pipe insertion groove 25 penetrates the leg bottom 23 in the leg thickness direction T and opens to the leg front surface 15 (front surface) and the leg back surface 16 (back surface) of the leg bottom 23 (leg body 1) as well as to the opening 21.

[0029] As shown in Figs. 1 to 4, 6 and 11(b), the first support protrusion 26 is disposed in the opening 21 between the leg length centerline A and the leg top surface 11 at an interval on the leg length centerline A (between the first support protrusion 26 and the leg length centerline A) in the leg length direction L. The first support protrusion 26 protrudes from the first leg inner surface 31 (the leg inner surface of the opening 21) to the opening 21 (inside the opening 21) in the leg width direction H and is disposed on the leg body 1 (the first leg inner surface 31). The first support protrusion 26 is formed between the first leg inner surface 31 and the opening B (one leg outer surface 13) of one leg outer surface 13 of the opening 21 in the leg width direction H. The first support protrusion 26 has a length (protrusion length) in the leg width direction H and a width (protrusion width) in the leg thickness direction T, and protrudes from the first leg inner surface 31 into the opening 21.

[0030] As shown in Figs. 1 to 4, 6 and 11(b), the second support protrusion 27 is disposed in the opening 21 on the leg bottom 23 side (leg bottom surface 12 side) in the leg length direction L. The second support protrusion is disposed in the opening 21 (inside the opening 21) between the leg length centerline A and the leg bottom 23, spaced apart from the first support protrusion 26 (between the first and second support protrusions 26, 27) in the leg length direction L. The second support protrusion 27 protrudes from the second leg inner surface 32 into the opening 21 (inside the opening 21) in the leg width direction H and is disposed on the leg body 1 (second leg inner surface 32). The second support protrusion 27 is formed between the second leg inner surface 32 and the tube insertion groove 25 in the leg width direction H. The second support protrusion 27 has a length (protrusion length) in the leg width direction H and a width (protrusion width) in the leg thickness direction T, and protrudes from the second leg inner surface 32 into the opening 21.

[0031] As shown in FIGS. 1 to 4, 6 and 9 to 13, the first and second clamps 2, 3 have a clamp body 35, a clamp opening / closing portion 36, a clamping screw shaft 37 (clamping screw shaft), and a clamping nut 38 (clamp nut).

[0032] 11, the clamp body 35 has a clamp bottom 39 (base frame portion) and a clamp side portion 40 (side frame portion). The clamp side portion 40 (one clamp side end of the clamp side portion 40) is formed (arranged) continuously with the clamp bottom portion 39 (one clamp bottom end of the clamp bottom portion 39) at an angle thereto.

[0033] As shown in Fig. 11, the clamp opening / closing part 36 is rotatably disposed on the clamp body 35. The clamp opening / closing part 36 is rotatably attached to the clamp side part 40 (the other clamp side end side of the clamp side part 40). The clamp opening / closing part 36 is connected to the other clamp side end side of the clamp side part 40 (clamp side part 40 / clamp body 35) by a rotation shaft 41.

[0034] As shown in Fig. 11, the tightening screw shaft 37 is rotatably disposed in the clamp body 35. The tightening screw shaft 37 is rotatably attached to the clamp bottom 39 (the other clamp bottom end side of the clamp bottom 39). The tightening screw shaft 37 is connected to the other clamp bottom end side of the clamp bottom 39 (clamp bottom 39 / clamp body 35) by a rotating shaft 42. The tightening screw shaft 37 is detachably inserted into the cut groove 43 of the clamp opening / closing part 36. The tightening screw shaft 37 passes through the cut groove 43 and protrudes to the outside of the clamp opening / closing part 36.

[0035] As shown in FIG. 11, the tightening nut 38 is screwed onto a tightening screw shaft 37 that protrudes to the outside of the clamp opening / closing portion 36 .

[0036] 11, the first and second clamps 2, 3 have a pipe insertion hole 45. The first and second clamps 2, 3 form the pipe insertion hole 45 between the clamp body 35 (clamp bottom portion 39 and clamp side portion 40) and the clamp opening / closing portion 36. The pipe insertion hole 45 is formed between the clamp body 35 (clamp bottom portion 39 and clamp side portion 40) and the clamp opening / closing portion 36.

[0037] 1 to 4, 9(a), 11(a) and 12, the first clamp 2 (first clamp fitting) is disposed in the opening 21 between the leg length center line A (first support protrusion 26) and the leg top surface 11 in the leg length direction L. The first clamp 2 is disposed in the opening 21 with the clamp opening / closing part 36 (clamp opening / closing part 36 of the first clamp 2) facing the opening B of one of the leg outer surfaces 13 of the opening 21 in the leg width direction H.

[0038] 1, 11(a) and 12, the first clamp 2 is disposed in the opening 21 with the clamp body 35 (clamp body 35 of the first clamp 2) abutting against the first leg inner surface 31 and with the hole center line C of the pipe insertion hole 45 (pipe insertion hole 45 of the first clamp 2) facing the leg thickness direction T. The first clamp 2 is disposed in the opening 21 with the clamp bottom 39 abutting against the first leg inner surface 31. The first clamp 2 is disposed in the opening 21 with the clamp bottom surface 39A (clamp bottom outer surface) of the clamp body 35 (clamp bottom 39) abutting against the first leg inner surface 31.

[0039] As shown in Figs. 11(a) and 12, the first clamp 2 is disposed in the opening 21 with the clamp side 40 facing the first support protrusion 26 in the leg length direction L. The first clamp 2 is disposed in the opening 21 with the clamp side surface 40A (clamp outer side surface) of the clamp body 35 (clamp side 40) facing the first support protrusion 26 in the leg length direction L. The first clamp 2 is disposed on the leg body 1 with a gap between the clamp body 35 (clamp side 40) and the first support protrusion 26, and the clamp body 35 (clamp side 40) can freely abut against the first support protrusion 26 from the leg length direction L. The first clamp 2 is disposed on the leg body 1 with a gap between the clamp side surface 40A of the clamp body 35 (clamp side 40) and the first support protrusion 26 in the leg length direction L, and the clamp side surface 40A of the clamp body 35 (clamp side 40) can freely abut against the first support protrusion 26 from the leg length direction L.

[0040] In the first clamp 2, the clamp body 35 is disposed in the opening 21 with the clamp bottom surface 39A of the clamp body 35 (clamp bottom portion 39) abutting against the first leg inner surface 31, as shown in Fig. 11(a) and Fig. 12. In the first clamp 2, the clamp body 35 is disposed adjacent to the first support protrusion 26 with the clamp side surface 40A of the clamp body 35 (clamp side portion 40) facing the first support protrusion 26. In the first clamp 2, the clamp body 35 is disposed with a gap between the clamp body 35 [clamp side surface 40A of the clamp body 35 (clamp side portion 40)] and the first support protrusion 26, and is disposed on the leg body 1 with the clamp side surface 40A of the clamp body 35 (clamp side portion 40) freely abutting against the first support protrusion 26 from the leg length direction L.

[0041] As shown in Figures 11(b) and 13, the second clamp 3 (second clamp fitting) is disposed in the opening 21 between the leg length center line A and the leg bottom 23 (leg bottom surface 12) in the leg length direction L. The second clamp 3 is disposed in the opening 21 between the first and second support protrusions 26, 27, spaced from the first support protrusion 26 in the leg length direction L. The second clamp 3 is disposed in the opening 21 with the clamp opening / closing portion 36 (clamp opening / closing portion 36 of the second clamp 3) facing the opening B of one of the leg outer surfaces 13 of the opening 21 in the leg width direction H.

[0042] As shown in Figures 11(b) and 13, the second clamp 3 is disposed within the opening 21 with the clamp body 35 (clamp body 35 of the second clamp 3) abutting against the second leg inner surface 32 and with the hole center line C of the pipe insertion hole 45 (pipe insertion hole 45 of the second clamp 3) facing the leg thickness direction T. The second clamp 3 is disposed within the opening 21 with the clamp bottom 39 abutting against the second leg inner surface 32. The second clamp 3 is disposed within the opening 21 with the clamp bottom surface 39A of the clamp body 35 (clamp bottom 39) abutting against the second leg inner surface 32.

[0043] As shown in Figures 11(b) and 13, the second clamp 3 is disposed in the opening 21 with the clamp body 35 (clamp side 40) facing the second support protrusion 27 in the leg length direction L. The second clamp 3 is disposed in the opening 21 with the clamp side surface 40A of the clamp body 35 (clamp side 40) facing the second support protrusion 27 in the leg length direction L. The second clamp 3 is disposed with a gap between the clamp body 35 (clamp side 40) and the second support protrusion 27 in the leg length direction L, and is disposed on the leg body 1 with the clamp body 35 (clamp side 40) freely abutting against the second support protrusion 27 from the leg length direction L. The second clamp 3 is positioned with a gap between the clamp side surface 40A of the clamp body 35 (clamp side portion 40) and the second support protrusion 27 in the leg length direction L, and is positioned on the leg body 1 so that the clamp side surface 40A of the clamp body 35 (clamp side portion 40) is freely abutted against the second support protrusion 27 from the leg length direction L.

[0044] In the second clamp 3, the clamp body 35 is disposed in the opening 21 with the clamp bottom surface 39A of the clamp body 35 (clamp bottom portion 39) abutting against the second leg inner surface 32, as shown in Fig. 11(b) and Fig. 13. In the second clamp 3, the clamp body 35 is disposed adjacent to the second support protrusion 27 with the clamp side surface 40A of the clamp body 35 (clamp side portion 40) facing the second support protrusion 27. In the second clamp 3, the clamp body 35 is disposed with a gap between the clamp body 35 [clamp side surface 40A of the clamp body 35 (clamp side portion 40)] and the second support protrusion 27, and is disposed on the leg body 1 with the clamp side surface 40A of the clamp body 35 (clamp side portion 40) freely abutting against the second support protrusion 27 from the leg length direction L.

[0045] The first and second mounting fixtures 4, 5 mount the first and second clamps 2, 3 to the leg main body 1, as shown in Figures 2 to 4, 7, 8, 12 and 13. The first and second mounting fixtures 4, 5 have a mounting bolt 51 and a mounting nut 52. The mounting bolt 51 has a threaded shank 53 and a head 54 disposed at one axial end of the threaded shank 53.

[0046] 11(a) and 12, the first mounting fixture 4 mounts the first clamp 2 to the leg main body 1 (first leg inner surface 31). In the first mounting fixture 4, the mounting bolt 51 (mounting bolt 51 of the first mounting fixture 4) is arranged in the leg main body 1 and the first clamp 2 (clamp body 35) with the axial center line D of the threaded shaft portion 53 perpendicular to the first leg inner surface 31.

[0047] In the first mounting fixture 4, as shown in FIG. 12, the mounting bolt 51 (first mounting bolt) has its screw shaft portion 53 penetrating the clamp body 35 (clamp bottom 39) of the first clamp 2 and the leg body 1 (leg body 1 between the opening 21 and the other leg outer surface 14), with the other axial end side of the screw shaft portion 53 protruding from the leg outer surface 14, and its head portion 54 abutting the clamp body 35 (clamp bottom 39) of the second clamp 2, and is positioned in the leg body 1 (leg body 1 between the opening 21 and the other leg outer surface 14) and the clamp body 35 (clamp bottom 39) of the first clamp 2.

[0048] In the first mounting fixture 4, the screw shaft portion 53 (first screw shaft portion) of the mounting bolt 51 is disposed so that the axial center line D of the screw shaft portion 53 is perpendicular to the first leg inner surface 31, as shown in Fig. 12. In the first mounting fixture 4, the screw shaft portion 53 of the mounting bolt 51 penetrates the clamp body 35 (clamp bottom portion 39) of the first clamp 2 abutting against the first leg inner surface 31 and the leg body 1 (leg body 1 between the opening 21 and the other leg outer surface 14), and is disposed in the leg body 1 (leg body 1 between the opening 21 and the other leg outer surface 14) and the clamp body 35 (clamp bottom portion 39) of the first clamp 2, with the other axial end side of the screw shaft portion 53 protruding from the other leg outer surface 14.

[0049] In the first mounting fixture 4, the head 54 (first head) of the mounting bolt 51 abuts against the clamp bottom 39 (clamp body 35) from within the first clamp 2 as the screw shaft portion 53 penetrates the clamp body 35 (clamp bottom 39) of the first clamp 2, as shown in Figure 12.

[0050] In the first mounting fixture 4, the mounting nut 52 (the mounting nut 52 of the first mounting fixture 4) is screwed onto the other axial end side of the screw shaft portion 53 protruding from the other leg outer surface 14, and is pressed against the other leg outer surface 14, as shown in Figures 11(a) and 13.

[0051] As shown in Figure 12, the first mounting fixture 4 mounts the first clamp 2 (clamp body 35) to the leg body 1 by clamping the leg body 1 (leg body 1 between the opening 21 and the other leg outer surface 14) and the clamp body 35 (clamp bottom 39) of the first clamp 2 with the head 54 of the mounting bolt 51 abutting against the clamp body 35 (clamp bottom 39) of the first clamp 2, and the mounting nut 52 (first mounting nut) pressed against the leg outer surface 14.

[0052] As shown in Figures 10 and 12, the first mounting fixture 4 attaches the first clamp 2 to the leg body 1 (first leg inner surface 31) by making the axial center line D of the mounting bolt 51 (screw shaft portion 53) perpendicular (intersecting) the leg width center line E of the leg body 1 in the leg width direction H [a straight line perpendicular to the leg length center line A and extending between the leg top surface 11 and the leg bottom surface 12 (in the leg length direction)].

[0053] 11(b) and 13, the second mounting fixture 5 mounts the second clamp 3 to the leg main body 1 (the second leg inner surface 32). In the second mounting fixture 5, the mounting bolt 51 (the mounting bolt 51 of the second mounting fixture 5) is arranged in the leg main body 1 and the second clamp 3 (clamp body 35) with the axial center line D of the threaded shaft portion 53 perpendicular to the second leg inner surface 32.

[0054] In the second mounting fixture 5, as shown in FIG. 13, the mounting bolt 51 (second mounting bolt) has its screw shaft portion 53 penetrating the clamp body 35 (clamp bottom 39) of the second clamp 3 and the leg body 1 (leg body 1 between the opening 21 and the opening hole 22), with the other axial end side of the screw shaft portion 53 protruding into the opening hole 22 (from the inner surface 22A of the opening hole 22 into the opening hole 22), and its head portion 54 abutting the clamp body 35 (clamp bottom 39) of the second clamp 3, and is positioned in the leg body 1 (leg body 1 between the opening 21 and the opening hole 22) and the clamp body 35 (clamp bottom 39) of the second clamp 3.

[0055] In the second mounting fixture 5, the screw shaft portion 53 (second screw shaft portion) of the mounting bolt 51 is disposed so that the axial center line D of the screw shaft portion 53 is perpendicular to the second leg inner surface 32, as shown in Fig. 13. In the second mounting fixture 5, the screw shaft portion 53 of the mounting bolt 51 penetrates the clamp body 35 (clamp bottom portion 39) of the second clamp 3 that abuts against the second leg inner surface 32 and the leg body 1 (leg body 1 between the opening 21 and the opening hole 22), with the other axial end side of the screw shaft portion 53 protruding into the opening hole 22, and is disposed in the leg body 1 (leg body 1 between the opening 21 and the opening hole 22) and the clamp body 35 (clamp bottom portion 39) of the second clamp 3.

[0056] In the second mounting fixture 5, the head 54 (second head) of the mounting bolt 51 abuts against the clamp bottom 39 (clamp body 35) from within the second clamp 3 as the screw shaft portion 53 penetrates the clamp body 35 (clamp bottom 39) of the second clamp 3, as shown in Figure 13.

[0057] In the second mounting fixture 5, the mounting nut 52 (the mounting nut 52 of the second mounting fixture 5) is screwed onto the other axial end side of the screw shaft portion 53 protruding into the opening hole 22, as shown in Figures 11(b) and 13, and is pressed against the inner surface 22A of the opening hole 22.

[0058] As shown in Figure 13, the second mounting fixture 5 mounts the second clamp 3 (clamp body 35) to the leg body 1 by clamping the leg body 1 (leg body 1 between the opening 21 and the opening hole 22) and the clamp body 35 (clamp bottom 39) of the second clamp 3 with the head 54 of the mounting bolt 51 abutting against the clamp body 35 (clamp bottom 39) of the second clamp 3, and the mounting nut 52 (second mounting nut) pressed against the inner surface 22A of the opening hole 22.

[0059] As shown in Figures 10 and 13, the second mounting fixture 5 attaches the second clamp 3 to the leg body 1 (second leg inner surface 32) by intersecting the axial center line D of the mounting bolt 51 (screw shaft portion 53) with the leg width center line E [a straight line perpendicular to the leg length center line A and extending between the leg top surface 11 and the bottom surface 12 (in the leg length direction)] at a third angle θ3.

[0060] 14 and 15, the barricade support legs X are installed on an installation surface FL to form a single-pipe barricade TB and support the pipe ends of a plurality of single pipes PU.

[0061] As shown in Figures 14 and 15, the single-pipe barricade TB comprises a pair of barricade support legs X, X and three single pipes PU. Each barricade support leg X, X is disposed at an interval between each of the barricade support legs X, X (leg body 1). Each barricade support leg X, X is disposed parallel to the leg back surface 16 and leg front surface 15 of the leg body 1, facing each other. Each barricade support leg X, X is erected (installed) on the installation surface FL with the bottom surface 12 of the leg body 1 abutting against the installation surface FL.

[0062] As shown in Figures 14 and 15, each single pipe PU is placed on each barricade support leg X, X by inserting each pipe end of each single pipe PU into the opening 21 of each barricade support leg X, X (leg body 1) from the opening B of one leg outer surface 13 of the opening 21 of each barricade support leg X, X (leg body 1). Between each barricade support leg X, X, each single pipe PU is bridged between the first clamps 2, 2, bridged between the second clamps 3, 3, and bridged between the leg bottoms 23 of each barricade support leg X, X.

[0063] Each pipe end of the single pipe PU suspended between the first clamps 2,2 is gripped by the first clamps 2,2 of each barricade support leg X,X and supported by each barricade support leg X,X (each first clamp 2). The pipe end of the single pipe PU suspended between the second clamps 3,3 is gripped by the second clamps 3,3 of each barricade support leg X,X and supported by each barricade support leg X,X (each second clamp 3). The pipe end of the single pipe PU suspended between the leg bottoms 23,23 is inserted (press-fitted) into the pipe insertion grooves 25 of each barricade support leg X,X and supported by the leg bottoms 23 of each barricade support leg X,X. The single pipe PU spanning between each leg bottom 23 is inserted (press-fitted) into the pipe insertion groove 25 of the leg bottom 23 of each barricade support leg X, X through the opening 21 of each barricade support leg X, X (leg body 1).

[0064] 14 and 15 , in each barricade support leg X, X, each first clamp 2, 2 inserts a single pipe PU (each pipe end of the single pipe PU) into a pipe insertion hole 45 formed between a clamp body 35 and a clamp opening / closing portion 36, and grips the single pipe PU (each pipe end) with the clamp body 35 and the clamp opening / closing portion 36. The first clamp 2 grips the single pipe PU (each pipe end) with the clamp body 35 and the clamp opening / closing portion 36 by rotating a tightening nut 38 about a tightening screw shaft 37 and pressing it against the clamp opening / closing portion 36.

[0065] 14 and 15 , in each barricade support leg X, X, each second clamp 3, 3 inserts the single pipe PU (each pipe end of the single pipe PU) into a pipe insertion hole 45 formed between the clamp body 35 and the clamp opening / closing portion 36, and grips the single pipe PU (each pipe end) with the clamp body 35 and the clamp opening / closing portion 36. The second clamp 3 grips the single pipe PU (each pipe end) with the clamp body 35 and the clamp opening / closing portion 36 by rotating the tightening nut 38 about the tightening screw shaft 37 and pressing it against the clamp opening / closing portion 36.

[0066] As shown in Figures 14 and 15, each barricade support leg X, X that constitutes the single-pipe barricade TB (barricade) is arranged so that the axial center line D of the screw shaft portion 53 of the first mounting fixture 4 that mounts each of the first clamps 2, 3 to the leg body 1 is perpendicular to (intersects with) the leg width center line E, and the axial center line D of the screw shaft portion 53 of the second mounting fixture 5 that mounts each of the second clamps 3, 3 to the leg body 1 intersects with the leg width center line E, so that the barricade does not rotate around the leg width center line E (axial center line of the screw shaft portion 53) relative to each of the clamps 2, 3 that grip each single pipe PU. By forming the single-pipe barricade TB with a pair of barricade support legs X, X, it is possible to prevent the single-pipe barricade TB from falling over.

[0067] Each barricade support leg X, X that makes up the single-pipe barricade TB holds each tube end of the single-pipe PU with each first clamp 2, 2 and holds each tube end of the single-pipe PU with each second clamp 3, 3, so that the weight of each single-pipe PU is supported by each of the first and second clamps 2, 3 from each tube end. In each barricade support leg X, X that constitutes the single-pipe barricade TB, when the first clamps 2, 2 receive the weight of the single pipe PU, they bend toward the first support protrusion 26 (move toward the first support protrusion 26) and the clamp body 35 (clamp side portion 40) abuts against the first support protrusion 26 from the leg length direction L, and is supported by the first support protrusion 26. Each first clamp 2, 2 is supported by the first support protrusion 26 with the clamp side surface 40A of the clamp body 35 (clamp side portion 40) abutting against the first support protrusion 26 from the leg length direction L. In each barricade support leg X, X that constitutes the single-pipe barricade TB, when each second clamp 3 receives the weight of the single pipe PU, it bends toward the second support protrusion 27 (moves toward the second support protrusion 27) and the clamp body 35 (clamp side portion 40) abuts against the second support protrusion 27 from the leg length direction L, and is supported by the second support protrusion 27. Each second clamp 3, 3 is supported by the second support protrusion 27 with the clamp side surface 40A of the clamp body 35 (clamp side portion 40) abutting against the second support protrusion 27 from the leg length direction L. The first and second support protrusions 26, 27 support the first clamps 2, 2 and the second clamps 3, 3, thereby preventing the first clamps 2, 2 and the second clamps 3, 3 from coming off the leg body 1 of each barricade support leg X, X due to the weight of each single pipe PU.

[0068] Each barricade support leg X, X that constitutes the single-pipe barricade TB holds each single pipe PU with each first clamp 2, 2, each second clamp 3, 3, and each leg bottom 23 (each pipe insertion groove 25), thereby preventing the single-pipe barricade TB from falling over. [Industrial Applicability]

[0069] This device is ideal for barricade support legs that support single pipes and form barricades. [Explanation of symbols]

[0070] X Barricade Support Legs 1. Script style L Leg length direction H Leg width direction T leg thickness direction 2 First clamp 3 Second Clamp 4 First mounting fixture 5 Second mounting fixture 21 Opening 22 Opening hole 31 Inner side of 1st leg 32 Inner surface of second leg 35 Clamp body 36 Clamp opening and closing part 45 Tube insertion hole 51 Mounting bolt 52 Mounting nut 53 Screw shaft 54 Head A Leg length center line B opening C hole centerline (pipe insertion hole) D Shaft centerline (screw shaft) E Leg width center line

Claims

1. A leg body formed in a three-dimensional shape having a leg top surface and a leg bottom surface in the leg length direction, a pair of leg outer surfaces in the leg width direction, and a leg front surface and a leg back surface in the leg thickness direction; a first clamp and a second clamp each having a clamp body and a clamp opening / closing part rotatably disposed on the clamp body, the first clamp and the second clamp each having a single pipe inserted into a pipe insertion hole formed between the clamp body and the clamp opening / closing part, and the first clamp and the second clamp each holding the single pipe with the clamp body and the clamp opening / closing part; a first mounting tool and a second mounting tool having a screw shaft portion, a mounting bolt having a head disposed at one axial end of the screw shaft portion, and a mounting nut, for mounting the first and second clamps to the leg body; The script body is an opening disposed between the leg top surface and the leg bottom surface, penetrating the leg body in the leg thickness direction, opening on the leg front surface and the leg back surface, and opening on one of the leg outer surfaces; and an opening hole, The opening is having first and second leg inner surfaces; The first leg inner surface is The leg is disposed between a leg length center line of the leg body in the leg length direction and the leg top surface, In the leg width direction, the opening is disposed between the other leg outer surface and one of the openings on the leg outer surface, a first angle formed on the other leg outer surface side with respect to the leg length centerline; The second leg inner surface is In the leg length direction, the leg is disposed between the leg length center line and the leg bottom surface, In the leg width direction, the opening is disposed between the first leg inner surface and one of the openings on the leg outer surface, a second angle formed on the other leg outer surface side with respect to the leg length centerline; The opening hole is In the leg width direction, the second leg inner surface and the other leg outer surface are disposed between the second leg inner surface and the other leg outer surface, In the leg thickness direction, the leg body is penetrated, and an opening is formed on the leg front surface and the leg back surface, The first clamp is The clamp body is placed in the opening with the first leg inner surface in contact with the first leg inner surface and the hole center line of the tube insertion hole facing the leg thickness direction, The second clamp is The clamp body is abutted against the inner side surface of the second leg and is disposed in the opening with the hole center line of the tube insertion hole oriented in the leg thickness direction; In the first mounting fixture, the mounting bolt is The axial center line of the screw shaft portion is arranged perpendicular to the first leg inner side surface, The screw shaft portion is inserted through the clamp body and the leg body of the first clamp, the other axial end side of the screw shaft portion protrudes from the outer side surface of the other leg, and the head portion is abutted against the clamp body of the first clamp and is disposed on the leg body; In the first mounting tool, the mounting nut is The other axial end side of the screw shaft portion protruding from the other leg outer surface is screwed into the other axial end side of the screw shaft portion and pressed against the other leg outer surface, In the second mounting fixture, the mounting bolt is The axial center line of the screw shaft portion is arranged perpendicular to the second leg inner side surface, The screw shaft portion is inserted through the clamp body and the leg body of the second clamp, the other axial end side of the screw shaft portion protruding into the opening hole, and the head portion is abutted against the clamp body of the second clamp and disposed on the leg body; In the second mounting tool, the mounting nut is The other axial end of the threaded shaft portion protruding into the opening hole is screwed into the other axial end of the threaded shaft portion and pressed against the inner circumferential surface of the opening hole. A support leg for a barricade.

2. The script body is The bottom of the foot and A tube insertion groove formed in the leg bottom portion, The foot bottom is In the leg length direction, the opening is formed between the leg bottom surface, In the leg width direction, the leg outer surface is disposed between the leg outer surface, The tube insertion groove is In the leg width direction, the second leg inner surface and one of the leg outer surfaces are formed between the second leg inner surface and the one of the leg outer surfaces, In the leg thickness direction, the opening penetrates the leg bottom, opens on the leg front surface and the leg back surface, and opens at the opening.

2. A support leg for a barricade according to claim 1.

3. The script body is having first and second support projections; The first support protrusion is In the leg length direction, the opening between the leg length centerline and the leg top surface is disposed at an interval from the leg length centerline, In the leg width direction, the opening protrudes from the first leg inner surface to the opening, and is formed between the first leg inner surface and an opening of one of the leg outer surfaces of the opening, The second support protrusion is In the leg length direction, the first support protrusion is disposed in the opening between the leg length centerline and the leg bottom at a distance from the first support protrusion, In the leg width direction, the second leg inner surface protrudes into the opening, and is formed between the second leg inner surface and the tube insertion groove, The first clamp is In the leg length direction, the support member is disposed within the opening between the first support protrusion and the leg top surface, The clamp body is abutted against the inner side surface of the first leg and is disposed in the opening with the hole center line of the tube insertion hole directed in the leg thickness direction, the clamp body is disposed on the leg body so as to be freely abutted against the first support protrusion from the leg length direction, The second clamp is disposed in the opening between the first and second support protrusions in the leg length direction; The clamp body is abutted against the inner side surface of the second leg and is disposed in the opening with the hole center line of the tube insertion hole directed in the leg thickness direction; The clamp body is disposed on the leg body so as to be freely abutted against the second support protrusion from the leg length direction.

3. A support leg for a barricade according to claim 2.

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