JPH0634022U - Beam pipe mounting structure for sloping fence - Google Patents

Abstract

(57) [Abstract] [Purpose] The beam pipe is stably connected to the support at an arbitrary angle. [Structure] A spacer 24 is applied to the column 21, a bracket 23 is applied to the spacer 24, and a core 27 is accommodated in the bracket 23. In this state, the core 27, the bracket 23, and the spacing member 24 are fixed to the column 21 with bolts 25. Spacer 24
The cylindrical surface 24a contacts the column 21 and is stably held. The mounting portion 28 of the bracket 23 and the spacing member 24 contact each other on the spherical surfaces 28a and 24b. Because of the surface contact, the bracket 23 is stably fixed to the column 21.
Even after the beam pipe 22 is inserted into the bracket 23, the head of the bolt 25 can be operated with a spanner by sliding the beam pipe 22. Therefore, the bracket 23
It is easy to fix and fix the right angle to the slope. After that, the beam pipe 22 is fixed to the bracket 23 with the screw 30. The appearance is simple and aesthetically pleasing.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a beam pipe mounting structure for mounting a beam pipe to a column in an inclined ground fence having a beam pipe attached to the column via a bracket.

[0002]

[Prior art]

 In fences for sloping ground that have beam pipes (cross rails using pipes) that are attached to stanchions via brackets, the beam pipes must be installed parallel to the sloping ground, so any angle corresponding to the slope can be used. It is desirable to be able to attach to the column at an angle of. This type of beam pipe mounting structure is shown in Fig. 8 and Fig. 9 (refer to JP-B-4-31293). In this beam pipe mounting structure, a joining end face 3 having an arcuate shape in the up-down direction and the left-right direction is integrally formed with a tubular portion 2 into which the beam pipe 1 is fitted, and a laterally elongated hole 4 is formed in the joining end face 3 to form the tubular shape. A bracket 6 having a vertical elongated hole 5 for joining is formed on the upper surface of the portion 2. The bracket 6 is placed on both sides of the column 7 with the joining end surface 3 of the bracket 6 abutting against the column 7, and the curved seats 8a, 9a are attached. The structure is such that the bolts 8 and nuts 9 each have its own structure, and the beam pipe 1 is inserted into each bracket 6, and the beam pipe 1 is fixed to the bracket 6 with bolts 10 and nuts 11 that penetrate vertically. is there.

[0003]

[Problems to be solved by the device]

 According to the beam pipe mounting structure having the above structure, the beam pipe 1 can be mounted on the support column 7 while being arbitrarily tilted corresponding to the angle of the sloping ground. However, since the joint end surface 3 of the bracket 6 has a circular arc shape in the vertical direction and the horizontal direction, there is a problem in that it is in line contact with the support column 7 and a sufficiently stable connection cannot be obtained. Also, the bolts 10 and nuts 11 for fixing the beam pipe 1 to the bracket 6 are exposed, which is not good in appearance. Further, the bolt 8 and the nut 9 for fixing the bracket 6 to the column 7 cannot be tightened with a spanner when the beam pipe 1 is fitted to the bracket 6, so that the beam pipe 1 is fitted to the bracket 6. It is necessary to perform final tightening and fixing before mounting, and it is not always easy to properly fix the angle of the bracket 6 to the angle of the sloping ground. Also, in the tightening operation itself with the beam pipe 1 removed from the bracket 6, the space for inserting the screw tightening tool is so tight that it cannot be tightened sufficiently and stable connection can be obtained in this respect as well. I can't.

The present invention has been made to solve the above-mentioned conventional drawbacks, and the beam pipe can be stably attached to the support column, which is aesthetically pleasing, and the bracket can be correctly aligned with the angle of the slope. It is an object of the present invention to provide a beam pipe mounting structure that is easy to install.

[0005]

[Means for Solving the Problems]

 The beam pipe mounting structure of the present invention that solves the above problem has a cylindrical support contact surface that contacts the outer periphery of a support having a cylindrical cross section and a spherical rear surface behind it, and contacts the support at the bolt insertion hole position of the support. And a bracket integrally including a mounting member having a spherical contact surface slidably contacting the spherical back surface of the spacing member, and a tubular portion covering the outer circumference of the beam pipe, and a bracket of the bracket. A core, which is arranged concentrically with the tubular part and in contact with the mounting part, and which is fitted into the beam pipe, the spacing member, the bracket, and the core, are provided in the tubular part. Insert the mounting bolt that penetrates through the vertically long bolt insertion hole and the bolt insertion hole of the column and tightens and fixes it to the column, and the screw insertion hole opened in the tubular part of the bracket and the screw insertion hole opened in the beam pipe. It is characterized in that it is provided with a screw for fixing the beam pipe to the bracket and the core by screwing it into a screw hole formed in the core.

According to a second aspect of the present invention, in the beam pipe mounting structure according to the first aspect, a vertical projection is formed on a spherical rear surface of the spacer, and a vertical groove into which the projection is fitted is formed in the bracket. It is characterized in that it is formed on a spherical contact surface.

According to a third aspect of the present invention, in the beam pipe mounting structure according to the first aspect, the spacer has a cylindrical rear surface instead of the spherical rear surface, and the bracket mounting portion has a cylindrical contact surface instead of the spherical contact surface. Is characterized by.

A fourth aspect of the present invention is characterized in that the core and the bracket according to the first aspect are integrally formed.

[0009]

[Action]

 In the above configuration, the bracket is in spherical contact with the spacing member, so that the bracket can take any angle in the vertical direction and the horizontal direction.

Since the spacer is in contact with the support at the cylindrical support contact surface, it is stably fixed to the support. Also, since the bracket and the spacer are in contact with each other by the surface contact with the spherical surface, the bracket is stably connected to the spacer. Therefore, the beam pipe is stably attached to the column.

Since the mounting bolts for fixing the bracket to the column are hidden in the beam pipe and the end of the beam pipe is covered with the tubular portion of the bracket, the connecting portion between the beam pipe and the column has a very simple appearance. Presents and is aesthetically pleasing. In addition, by using countersunk screws, etc., for the screws that fix the beam pipe to the bracket, it is possible to obtain a good appearance without protrusions.

Since the head of the mounting bolt is exposed outside due to the presence of the core, the mounting bolt can be tightened in the radial direction of the bracket. In addition, even after inserting both ends of the beam pipe into the brackets of the columns on both sides of the span, sliding the beam pipe in one of the longitudinal directions can secure a space for inserting the wrench on one side. Therefore, with the mounting bolts temporarily tightened, the beam pipe can be inserted into the brackets of the columns on both sides of the span to adjust the bracket angle, and then the mounting bolts can be finally tightened and fixed. In this case, the beam pipe is then slid into place and fixed to the bracket with screws. Therefore, it is easy to properly fix the bracket to the angle of the slope and fix it.

Claim 2 is applied when there is no bend in the road and it is not necessary to angle the beam pipe in the horizontal direction. The vertical projection of the spherical back surface of the spacing member and the vertical direction of the bracket side. The bracket is constrained to rotate only in the vertical direction by the fitting with the groove in the direction, and the stability of the beam pipe can be further improved when it is not necessary to make an angle in the horizontal direction.

[0014] Claim 3 is also applied when it is not necessary to angle the beam pipe in the horizontal direction. Since the sliding surface between the bracket and the spacing member is a cylindrical surface, the bracket rotates only in the vertical direction. The beam pipe can be stably attached to the column.

According to the fourth aspect, it is somewhat difficult to integrally cast the bracket and the core, but the number of parts is small.

[0016]

【Example】

 Hereinafter, an embodiment of the present invention will be described with reference to FIGS. Figure 1 shows the connection between the beam pipe and the pillar in a fence for sloped ground such as a road protection fence installed on a slope. Reference numeral 21 is a pillar having a cylindrical cross section, and reference numeral 22 is a horizontal pipe. , Reference numeral 23 is a bracket for attaching the beam pipe 22 to the support column 21, reference numeral 27 is a core which is provided in the bracket 23 and supports the beam pipe 22 together with the bracket 23, and reference numeral 24 is between the support column 21 and the bracket 23. A reference numeral 25 is a mounting bolt for fixing the core 27, the bracket 23, and the spacing material 24 together to the column 21, and a reference numeral 26 is a nut.

As shown in FIG. 4, the spacing member 24 has a pillar-shaped support contact surface 24a in contact with the outer periphery of the support pillar 21 having a cylindrical cross section and a spherical back surface 24b behind the support contact surface 24a, and the support member has a spherical rear surface 24b in the center. This is a structure in which a vertically long bolt insertion hole 24c is formed and a vertical protrusion 24d is formed on the upper and lower portions of the spherical back surface 24b.

As shown in FIG. 2, the bracket 23 has a circular mounting portion 28 having a spherical contact surface 28 a that slidably contacts the spherical back surface 24 b of the spacing member 24, and the mounting portion 28. 28, and a tubular portion 29 having the same diameter as that of the beam pipe 22 and fitted on the outer periphery of the beam pipe 22. The mounting portion 28 is provided with a vertically long bolt insertion hole 28c at the center, and a groove 28d into which the projection 24d on the spacing member 24 side is fitted is provided at the upper and lower positions of the spherical contact surface 28a. In addition, a projection 28e for positioning the core 27 is formed on the flat back surface 28b of the circular mounting portion 28. Further, the tubular portion 29 has an extending portion 29 a on the opening side thereof so as to extend along the end portion of the beam pipe 22.

As shown in FIG. 3, the core 27 has a cylindrical outer surface that is concentric with the tubular portion 29 of the bracket 23 and is fitted into the beam pipe 22, and has a vertically long screw insertion hole 27a. A recess 27c into which the projection 28e on the mounting portion 28 side is fitted is formed on one end surface 27b of the bracket 23 which comes into contact with the back surface 28b of the mounting portion 28 of the bracket 23, and the core 27 fits the projection 28e and the concave portion 27c. Together, they are positioned in the circumferential direction. As shown in FIG. 1, the length of the core 27 is set such that the other spherical end surface 27d, which is the seat of the bolt head, is slightly exposed from the opening of the tubular portion 29 of the bracket 23. The head of the mounting bolt 25 can be manipulated by inserting a spanner from the radial direction of the cylindrical portion 29. Further, the core 27 is provided with a screw hole 27e into which a countersunk screw 30 for fixing the beam pipe is screwed.

In the vicinity of the end portion of the beam pipe 22, a long screw insertion hole 22a is formed in the beam pipe longitudinal direction through which the flat head screw 30 is inserted, and a cylindrical portion 29 of the bracket 23 has a conical shape for receiving the head of the flat head screw 30. The screw insertion hole 29b forming the seat is opened.

Next, a beam pipe mounting operation in the above beam pipe mounting structure will be described. First, the columns 21 are built at predetermined intervals on the slope where the fence for the slope is to be installed. Next, at the positions of the bolt insertion holes 21a on both sides of each of the columns 21, the spacing member 24 is fitted to the spherical contact surface 28a of the mounting portion 28 of the bracket 23 and the core 27 is housed inside the bracket 23, respectively. In this state, the spacer 24 is applied to the support column 21. In this case, the protrusion 28e on the mounting portion 28 side and the recess 27c on the core 27 side are fitted to position the core 27 in the circumferential direction. Next, the mounting bolt 25 is passed through the bolt insertion hole 27a of the core 27, the bolt insertion hole 28c of the bracket 23, the bolt insertion hole 24c of the spacing member 24, and the bolt insertion hole 21a of the support column 21 to attach the nut 26 to the mounting bolt 25. Screw in and lightly tighten with a spanner. In this case, since the head of the mounting bolt 25 or the nut 26 is exposed to the outside of the opening of the tubular portion 29 of the bracket 23 due to the presence of the core 27, tighten the mounting bolt 25 from the radial direction of the bracket 23. You can

Next, both ends of the beam pipe 22 are fitted into the annular gap between the tubular portion 29 and the core 27 of the bracket 23 of the strut 21 on both sides of the span. In this state where the beam pipe 22 is fitted to the brackets 23 of the upper and lower columns 21, the beam pipe 22 is parallel to the surface of the sloping ground, and the angle of the bracket 23 is correctly adjusted to the angle of the sloping ground. Become.

Next, when the beam pipe 22 is slid to one side so that the other end of the beam pipe 22 rides on the extending portion 29a of the tubular portion 29 of the bracket 23, as shown in FIG. There is a space for inserting a wrench between the bracket and the bracket 23. Insert the wrench from the wrench insertion space and firmly tighten the mounting bolt 25. During this tightening operation, if the extending portion 29a of the tubular portion 29 of the bracket 23 is brought into contact with the beam pipe 22, the angle of the bracket 23 is correctly determined. After that, the beam pipe 22 is slid to the central position, and the screw 30 is screwed into the threaded hole 29a of the tubular portion 29 of the bracket 23 and the threaded hole 22a of the beam pipe 22 into the threaded hole 27e of the insertion core 27. , The beam pipe 22 is fixed to the bracket 23 and the core 27. Since the bolt insertion hole 28c of the bracket 23 and the bolt insertion hole 27c of the core 27 are vertically long, even if the bracket 23 is tilted within a certain range, it does not interfere with the mounting bolt 25, and the bolt insertion hole 24c of the spacing member 24c. Since it is also vertically long, the spacing member 24 can be moved up and down, so that the brackets 23 on both sides of the column 21 can be fixed to the column 21 with the common mounting bolts 25.

In this way, since the bracket 23 can be finally tightened and fixed to the column 21 after the angle of the bracket 23 is correctly set, it does not take time to set the angle of the bracket 23 correctly. Also, the external appearance of this beam pipe mounting structure is extremely simple in that the flat head screw 30 does not protrude from the outer peripheral surface of the bracket 23, and only the part of the spacer 24 can be seen on the column 21 side, except for the bracket 23. And is aesthetically pleasing.

The bracket 23, the spacing member 24, the core 27, and the like may be manufactured by aluminum die casting, for example. In this case, it is not easy to cast the bracket 23 and the core 27 integrally, but if possible, it is preferable to cast the two pieces 23 and 27 as one piece because the number of parts can be reduced.

In the above embodiment, the protrusion 24d and the groove 28d, which are fitted to each other, are formed on the spacer 24 and the bracket 23, but this is installed at a place where there is no bend on the road and only a slope. This is because it is applied to a slope fence, and when it is necessary to attach the beam pipe 22 to the support column at an angle also in the horizontal direction, the protrusion 24d and the groove 28d are not provided. This allows the beam pipe to take an arbitrary angle not only in the vertical direction but also in the left and right directions.

Further, when it is not necessary to angle the beam pipe in the left-right direction, in the inclined ground fence of the embodiment shown in FIGS. 1 to 5, the spacing member 24 is replaced by a spherical rear surface 24 b and is cylindrical. The rear surface may be replaced with a spherical contact surface 28a of the mounting portion 28 of the bracket 23 to form a cylindrical contact surface. 6 and 7 show the bracket 23 'and the spacing member 24' in this case. That is, the mounting portion 28 'of the bracket 23' in this case has a cylindrical contact surface 28'a, and the spacing member 24 'has a cylindrical back surface 24'b. In this case, the protrusion on the spacer side and the groove on the bracket side that fit together are unnecessary. Other parts are almost the same as those of the embodiment shown in FIGS. The front vertical sectional view of the bracket 23 'appears almost in the same manner as in FIG.

[0028]

[Effect of device]

 According to the present invention, the bracket for supporting the beam pipe and the spacer, which is stably held on the support side, are connected to each other by the spherical surface contact, so that the beam pipe is stably connected to the support. In addition, the beam pipe can take any angle in the vertical and horizontal directions.

Since the mounting bolts for fixing the bracket to the column are hidden inside the beam pipe and the end of the beam pipe is covered with the tubular portion of the bracket, the connecting portion between the beam pipe and the column has a very simple appearance. Presents and is aesthetically pleasing. In addition, by using countersunk screws, etc., for the screws that fix the beam pipe to the bracket, it is possible to obtain a good appearance without protrusions.

Since the head of the mounting bolt is exposed from the opening of the tubular portion of the bracket due to the presence of the core, the beam pipe is inserted in one of the longitudinal directions even after the both ends of the beam pipe are inserted into the brackets of the columns on both sides of the span. The mounting bolt can be operated with a spanner by sliding it to. Therefore, the mounting bolts can be finally tightened and fixed after inserting the beam pipe into the bracket, and the work of fixing the bracket in proper alignment with the angle of the sloping ground is easy.

According to the second aspect of the present invention, the bracket is restrained so as to rotate only in the vertical direction by the fitting of the protrusion on the spacing member side and the groove on the bracket side. The connection between the beam pipe and the column can be made more stable when it is not necessary to horizontally angle the pipe.

According to the third aspect, since the sliding surface between the bracket and the spacing member is a cylindrical surface, the bracket is constrained to rotate only in the up-down direction. When there is no bend and it is not necessary to angle the beam pipe horizontally, it is possible to stabilize the connection between the beam pipe and the column.

According to claim 4, the number of parts can be reduced.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of a beam pipe mounting structure of a fence for sloped land according to an embodiment of the present invention, showing a mounting portion of the beam pipe to a column.

2A and 2B show the bracket in FIG. 1, wherein FIG. 2A is a plan view, FIG. 2B is a front vertical sectional view, and FIG. 2C is a right side view.

FIG. 3 shows the spacing member in FIG.
Is a plan view, (b) is a front view, and (c) is a right side view.

4 shows the core in FIG. 1, FIG. 4 (a) is a sectional view of the core, and FIG. 4 (b) is a right side view.

FIG. 5 is a diagram for explaining how to attach a beam pipe to upper and lower pillars built on a slope.

FIG. 6 shows another embodiment, FIG. 6A is a plan view of the bracket, and FIG. 6B is a right side view of the bracket.

FIG. 7 is a perspective view of a spacer used with the bracket shown in FIG.

FIG. 8 shows a conventional beam pipe mounting structure, and is a front view of a mounting portion of a beam pipe to a column.

9 is a perspective view of the bracket in FIG. 8. FIG.

[Explanation of symbols]

 21 Supports 21a, 24c, 27a, 28c Bolt insertion hole 22 Beam pipe 22a Screw insertion hole 23 Bracket 24 Spacing material 24a Support contact surface 24b Spherical back surface 24d Projection 25 Mounting bolt 26 Nut 27 Core 27c Screw hole 28 Mounting portion 28a Spherical contact surface 28d Groove 29 Cylindrical part 29b Screw insertion hole 30 Screw (counter screw)

[Procedure amendment]

[Submission date] March 16, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Brief description of the drawing

[Correction method] Change

[Correction content]

[Brief description of drawings]

FIG. 1 is a vertical sectional view of a beam pipe mounting structure of a fence for sloped land according to an embodiment of the present invention, showing a mounting portion of the beam pipe to a column.

2A and 2B show the bracket in FIG. 1, wherein FIG. 2A is a plan view, FIG. 2B is a front vertical sectional view, and FIG. 2C is a right side view.

3 shows the core in FIG. 1, FIG. 3 (a) is a front sectional view of the core, and FIG. 3 (b) is a right side view.

FIG. 4 is a view showing the spacing member in FIG.
Is a plan view, (b) is a front view, and (c) is a right side view.

FIG. 5 is a diagram for explaining how to attach a beam pipe to upper and lower pillars built on a slope.

FIG. 6 shows another embodiment, FIG. 6A is a plan view of the bracket, and FIG. 6B is a right side view of the bracket.

FIG. 7 is a perspective view of a spacer used with the bracket shown in FIG.

FIG. 8 shows a conventional beam pipe mounting structure, and is a front view of a mounting portion of a beam pipe to a column.

9 is a perspective view of the bracket in FIG. 8. FIG.

[Explanation of Codes] 21 Supports 21a, 24c, 27a, 28c Bolt insertion hole 22 Beam pipe 22a Screw insertion hole 23 Bracket 24 Spacing material 24a Support contact surface 24b Spherical back surface 24d Projection 25 Mounting bolt 26 Nut 27 Core 27c Screw Hole 28 Mounting part 28a Spherical contact surface 28d Groove 29 Cylindrical part 29b Screw insertion hole 30 Screw (counter screw)

Claims (4)

[Scope of utility model registration request] 1. A spacing member having a cylindrical strut contact surface that contacts the outer periphery of a strut having a cylindrical cross section and a spherical back surface behind the strut, and a spacing member that contacts the strut at the bolt insertion hole position of the strut; A bracket integrally having a mounting portion having a spherical contact surface slidably contacting the spherical back surface and a tubular portion covering the outer circumference of the beam pipe, and the tubular portion in the tubular portion of the bracket. A vertically long bolt insertion hole and a pillar, which are arranged concentrically and in contact with the mounting portion, and each of which has a core to be fitted into the beam pipe, the spacing member, the bracket, and the core. Through the bolt insertion holes of the bracket and the fixing bolts that are tightened and fixed to the column, and the screw insertion holes formed in the tubular portion of the bracket and the screw insertion holes formed in the beam pipe, and screwed into the screw holes formed in the core. With beam Beam pipe mounting structure slopes fence, characterized in that a screw for fixing the flops to the bracket and cores. 2. A vertical projection is formed on the spherical back surface of the spacer, and a vertical groove into which the projection is fitted is formed on the spherical contact surface of the bracket. The beam pipe mounting structure for a fence for sloping ground according to Item 1. 3. The beam pipe mounting structure according to claim 1, wherein the spherical back surface of the spacer is a cylindrical back surface, and the spherical contact surface of the bracket mounting portion is a cylindrical contact surface. The beam pipe mounting structure for a fence for sloping ground according to claim 1. 4. The beam pipe mounting structure for a fence for sloping ground according to claim 1, wherein the core is formed integrally with a bracket.