JPH10227018A - Rail joint structure of guardrail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve workability by applying the constitution that a rail is jointed to a front boss laid between support plates as a pair in such a state as capable of freely turning in a vertical direction via a rail mounting part, so as to be capable of freely turning in a horizontal direction. SOLUTION: Front and rear joint bodies 1 as a pair are jointed to a support shaft extended between front and rear support plates 7a as a pair, and right and left rails 11 are connected to the joint bodies 1 via a connecting pipe 8. In this case, the joint bodies 1 have a boss loosely coupled to the support shaft in such a state as freely turning along a vertical direction, and the connecting pipe 8 is fitted to a rail mounting part 3 via a spring pin 9 so as to be capable of freely turning in right and left directions. Furthermore, a cap 10 is coupled to a part between the ends of the support plates 7a as a pair for dividing joint space S and the joint bodies 1 are housed in the space S. As a result, the rails 11 can be jointed to a support in such a state as capable of freely turning in vertical, and right and left directions. depending on the slope of a guardrail erection place. and appearance is improved because of the joint bodies 1 housed in the space S at the side of the cap 10. Also, the joint bodies 1, even if made to oscillate during the erection of the guardrail do not come in contact with the support, thereby preventing damages to the support or the appearance of rust thereon.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for connecting rails of a protective fence.

[0002]

2. Description of the Related Art Conventionally, a protective fence has been installed at the side of a sidewalk or the like for safety. In this case, a plurality of pillars are erected at intervals on the ground, and a rail mounting formed on the pillar is used. By directly fixing the rail to the part, the rail was suspended between the adjacent columns to form a protective fence.

[0003]

However, in the above-mentioned conventional protective fence, the rail is directly fixed to the rail mounting portion formed on the support, and the rail mounting portion is inclined at the installation position of the protective fence. When installing protective fences on hills and curves, the rail ends must be deformed and fixed to the rail mounting part, and it takes time to install the protective fence. It takes effort,
The guard fences that were installed would damage the landscape.

[0004]

SUMMARY OF THE INVENTION Therefore, the present invention provides a front and rear boss portion which is vertically rotatably mounted between a pair of front and rear support plates at a predetermined distance, and the left and right rails are mounted on the front and rear boss portions. The connection is made so as to be horizontally rotatable via the attachment portion.

A cap is mounted above a pair of front and rear support plates, and a space defined by the support plate and the cap is defined as a connection space, and the front and rear boss portions and the rail pivoting portions are accommodated in the connection space. I decided that.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In a rail connecting portion structure according to the present invention, a supporting column is constituted by a pair of front and rear supporting plates at a predetermined distance, and a cylindrical connecting member supporting shaft is provided between the pair of front and rear supporting plates. It is constructed such that left and right rails are pivotally connected to a connecting body support shaft via a connecting body.

[0007] The connecting body is formed integrally with a cylindrical boss portion and a cylindrical rail pivot portion formed perpendicular to the axial direction of the boss portion.

The connecting body has a boss portion rotatably and vertically rotatably fitted on the connecting body support shaft, and a connecting pipe rotatably and horizontally rotatably mounted on the rail pivoting portion. A cylindrical rail is fitted to the connecting pipe.

The support plate is formed in a flat plate shape, and a pair of front and rear support plates are erected on the ground so as to face each other, and a cap is mounted on the tip of the support plate. The boss portion and the rail pivoting portion are housed in a space defined by.

In this manner, the connecting body is attached to the column so as to be rotatable in the vertical direction, and the rail is mounted to the connecting body so as to be rotatable in the left and right direction. It is connected rotatably.

Therefore, by changing the vertical rotation angles of the rails on the left and right sides of the column, the protective fence can be provided on a slope or the like in a state where the column is vertically upward (in a state where the column is inclined with respect to the ground). In addition, by making the left and right rails on the left and right sides of the column different in the turning angle in the left and right direction, in a state along the inclination of the sidewalk edge where the column is erected,
Protective fences can be installed on curves and the like.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a view showing an installation state of a protective fence provided with a rail connecting portion structure according to the present invention.
Is provided with a plurality of pillars 7 at intervals on the sidewalk edge or the like on the ground G.
And two rails 11 are erected between the adjacent columns 7, 7 with an interval up and down, and the columns 7 and the rails 11
The rails are connected by a rail connection structure A.

As shown in FIGS. 2 to 4, the rail connecting portion structure A is composed of a pair of front and rear support plates 7a, 7a at predetermined intervals, and a pair of front and rear support plates 7a, 7a. A pair of connecting members 1, 1 is pivotally attached to the connecting member supporting shaft 5 between the connecting member supporting shaft 5, and the left and right rails 11, 11 are attached to the connecting member 1, 1.
Are connected via connecting pipes 8,8. In the drawing, 6 is a mounting screw, and 7b is a mounting hole.

The connecting body supporting shaft 5 is formed in a cylindrical shape as shown in FIGS. 3 and 5, and has a female screw on the inner peripheral surface of the hollow portion.
5a is formed, and a mounting screw 6 is screwed to the female screw 5a.

As shown in FIG. 5, the connecting body 1 includes a cylindrical boss portion 2, a cylindrical rail pivoting portion 3 formed perpendicular to the axial direction of the boss portion 2, and a boss portion 2. And a connecting body 4 for connecting the rail connecting part 3 to the rail pivoting part 3. Further, a reinforcing rib 4a is formed on the lower surface of the connection body 4. In addition, the connecting body 1 may be configured by separately forming the boss portion 2 and the rail pivoting portion 3.

As shown in FIGS. 2 to 5, the connecting body 1 has a boss portion 2 loosely fitted to the connecting body support shaft 5 so as to be rotatable in the vertical direction, and a connecting pipe 3 8 is rotatably pivoted in the left-right direction, and a cylindrical rail 11 is fitted to the connecting pipe 8. In the drawing, reference numeral 9 denotes a spring pin, which is inserted through the through holes 8a, 8a formed in the connecting pipe 8 and the hollow portion of the vertical boss 3.

The support plate 7a is formed in a flat plate shape as shown in FIGS. 2 to 5, and stands on the ground G at a predetermined interval.

As shown in FIG. 5, a cap 10 is attached between the front ends of the pair of front and rear support plates 7a, 7a.
The cap 10 has a curved flat plate 10a having a semicircular cross section, and front and rear side walls 10b and 10c vertically hanging from the front and rear edges of the back surface of the curved flat plate 10a.
The left and right ends of the curved flat plate 10a are notched in a semicircular shape, and the engaging grooves 10 are formed in the outer surfaces of the front and rear side walls 10b and 10c.
d is engraved. Then, the support plates 7a, 7
An arc-shaped engaging projection protruding inward at the tip of a
7c is engaged.

A connection space S is defined by the cap 10 and the support plates 7a, 7a, and a pair of front and rear bosses 2, 2 and rail connection portions 3, 3 are accommodated in the connection space S. .

As described above, the connecting body 1 is mounted on the support 7 so as to be rotatable in the vertical direction, and the rail 11 is mounted on the connecting body 1 so as to be rotatable in the left and right direction. They are rotatably connected in the vertical and horizontal directions.

Therefore, as shown in FIGS. 1 and 2, by changing the vertical rotation angles of the rails 11, 11 on the left and right sides of the column 7, the column 7 is oriented vertically upward (ground G). The guard fence can be installed on a slope or the like, and the rails 11 and 11 on the left and right sides of the column 7 can be turned in the left and right directions, as shown in FIGS. By making the moving angles different, it is possible to install a protective fence on a curve or the like in a state along the slope of the sidewalk edge where the column 7 is erected.

For this reason, the protective fence B can be installed in accordance with the vertical and horizontal inclinations of the place where the protective fence is installed, without damaging the landscape.

Moreover, a cap 10 is provided at the tip of the support plates 7a, 7a.
And the boss portions 2,2 and the rail pivoting portions 3,3 are accommodated in a space defined by the support plates 7a, 7a and the cap 10, and the connecting body 1 is Because it is not in contact, even when the connecting body 1 is swung when the protective fence B is installed,
The external surface of the column 7 is not damaged and the aesthetic appearance is not impaired, and corrosion such as rust caused by damage to the external surface of the column 7 can be prevented.

Further, a connecting member supporting shaft 5 is horizontally laid between the columns 7, 7, and the connecting member
1,1 is rotatably mounted, so the connecting body on both the left and right sides
1 and 1 both rotate around the connecting body support shaft 5, and when the protective fence B is installed on an inclined surface having a fixed inclination angle, the rails 11 and 11 on both the left and right sides of the column 7 are straightened. Since it is located on the line, the aesthetic appearance of the protective fence B can be improved and the signboards for advertisements can be placed on the right and left rails 11 and 11 with the support 7 interposed therebetween.
Can be easily installed along one.

On the other hand, when the rotation centers of the left and right connecting bodies 1, 1 are made different, the rails 11, 11 on the left and right sides of the column 7 are changed.
Are located at different levels on both sides of the support, which impairs the aesthetic appearance and makes it difficult to attach a signboard or the like along the rails 11,11.

[0027]

The present invention is embodied in the form described above, and has the following effects.

(1) According to the first aspect of the present invention, the front and rear boss portions are vertically rotatably mounted between a pair of front and rear support plates maintaining a predetermined distance, and the left and right rails are mounted on the front and rear boss portions. Since the rails are connected horizontally so as to be freely rotatable via the attachment portion, the vertical rotation angles of the rails are made different so that the pillars are directed vertically upward (in a state of being inclined with respect to the ground). , Protective fences can be installed on slopes, etc.
By making the rotation angle of the rail left and right different,
A guard fence can be installed on a curve, etc., along the slope of the sidewalk edge where the column is erected. Therefore, the protective fence can be installed without compromising the landscape, corresponding to the up, down, left, and right inclinations of the place where it is installed.

Moreover, when the protective fence is installed on an inclined surface having a fixed inclination angle, the rails on the left and right sides of the support are located on a straight line, and the aesthetic appearance of the protective fence can be improved. At the same time, a signboard or the like for an advertisement can be easily attached to the rails on the left and right sides of the support along the rails.

(2) According to the second aspect of the present invention, a cap is mounted above the pair of front and rear support plates, and a space defined by the support plate and the cap is defined as a connection space. Since the boss portion and the rail pivot portion are housed, the aesthetic appearance of the protective fence can be improved.

Further, the front and rear boss portions and the rail pivoting portions are not in contact with the external surface of the column, and the external surface of the column is not damaged even if the rail is swung when the protective fence is installed. In addition, it is possible to prevent corrosion such as rust caused by damage to the external surface of the column without impairing the aesthetic appearance.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing an installation state of a protective fence provided with a rail connecting portion structure of the protective fence according to the present invention.

FIG. 2 is a front sectional view showing a rail connecting portion structure.

FIG. 3 is a plan view of the same.

FIG. 4 is a side view of the same.

FIG. 5 is a perspective view showing a connected body.

FIG. 6 is a perspective view showing a cap.

FIG. 7 is an explanatory view showing an installation state of a protective fence.

[Explanation of Signs] A Rail connecting part structure B Protective fence 1 Connecting body 2 Boss part 3 Rail pivoting part 5 Connecting body support shaft 7 Prop 7a Prop plate 11 Rail

Claims (2)

[Claims] 1. A pair of front and rear support plates maintaining a predetermined interval
The front and rear bosses (2, 2) are installed vertically rotatably between (7a, 7a), and the left and right rails (11, 11) are attached to the front and rear bosses (2, 2) with the rail pivoting part (3). A rail connecting portion of the protective fence, wherein the rail connecting portion is horizontally rotatably connected via a wire. 2. A cap (10) is mounted above a pair of front and rear support plates (7a, 7a), and a space defined by the support plates (7a, 7a) and the cap (10) is connected to a connection space (S). )
The rail connecting part structure of the protective fence according to claim 1, wherein the front and rear boss parts (2, 2) and the rail pivoting part (3) are accommodated in (S).