JPH0960352A - Synthetic resin fence and construction method therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To screw a post to a nut fixed to the inside of a reinforcing metal pipe of a crosspiece by turning a bolt from another crosspiece insertion. hole side of the post when the crosspiece is mounted to the post. SOLUTION: Synthetic resin posts 1 are installed at specific intervals, the end of one synthetic resin crosspiece 8 fixing a nut 10 in a reinforcing metal pipe 9 is inserted in the crosspiece insertion hole 4, a bolt 13 is inserted in a cylindrical spacer 12, and the bolt 13 is inserted into a bolt insertion hole 3 from the other crosspiece insertion hole 5 side of each of the posts 1 to turn it while projecting it to one crosspiece insertion hole 4 side. By the constitution, the bolt 13 is screwed in the nut 10 fixed to the inside of the reinforcing metal pipe 9 of the crosspiece 8, the end of the other crosspiece 8' is inserted into the other crosspiece insertion hole 5 of each of the posts 1, and the end is hit against a projected nail 6 projected inside the crosspiece insertion hole 5. The cylindrical spacer 12 inserting the bolt 13 thereinto is inserted in a reinforcing metal pipe 9' of the crosspiece 8' to construct a synthetic resin fence.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a synthetic resin fence used in a park or the like and a method for constructing the fence.

[0002]

2. Description of the Related Art Synthetic resin fences are constructed by arranging synthetic resin columns at predetermined intervals and attaching synthetic resin cross bars to the synthetic resin columns.

In a synthetic resin fence, in order to attach a synthetic resin crosspiece to a synthetic resin strut, a bolt insertion hole and two crosspieces communicating with the ends of the bolt insertion hole are inserted into the synthetic resin strut. A hole is provided, and the end of one synthetic resin crossbar with a nut fixed in the reinforcing metal pipe is inserted into one crossbar insertion hole of the synthetic resin strut, and screw parts are provided on both sides of the tightening nut part. Inside the metal pipe for reinforcement of one synthetic resin crosspiece by rotating the connecting bolt provided from the other crosspiece insertion hole side of the synthetic resin strut through the bolt insertion hole so that it projects toward the one crosspiece insertion hole side The nut fixed to the screw and one screw part of the connecting bolt are screwed together, and then the other synthetic resin crosspiece in which the nut is fixed in the reinforcing metal pipe in the other crosspiece insertion hole of the synthetic resin strut. While inserting the end By rotating the synthetic resin crosspiece around the axis, the nut fixed in the reinforcing metal pipe of the other synthetic resin crosspiece and the other screw part of the connecting bolt are screwed together. There is.

However, in such an attaching method, when the other synthetic resin crosspiece is attached to the synthetic resin column, the other one of the connecting bolts is attached to the nut fixed in the reinforcing metal pipe of the other synthetic resin crosspiece. Since the heavy and long synthetic resin crosspiece must be rotated around the shaft while fitting the screw part of the, the mounting operation was complicated and troublesome.

Further, in the synthetic resin fence constructed as described above, the synthetic resin crosspiece is easily rotated, and when the synthetic resin crosspiece is caught by the synthetic resin crosspiece or the synthetic resin crosspiece is seated on the synthetic resin crosspiece, the synthetic resin crosspiece is rotated. There was a risk of an unexpected accident.

[0006]

SUMMARY OF THE INVENTION The present invention provides a synthetic resin fence and a method for constructing the synthetic resin fence which can be easily constructed and in which there is no risk of accidental accident due to rotation of the synthetic resin cross bar after construction. To provide.

[0007]

According to the present invention, a synthetic resin column having a reinforcing metal pipe and a synthetic resin crossbar having a reinforcing metal pipe attached in the horizontal direction of the synthetic resin column are repeating units. In the synthetic resin fence configured as described above, the synthetic resin support is communicated with the two horizontal bar insertion holes and the two horizontal bar insertion holes which are not fully communicated with each other at the same height as the support. It has a bolt insertion hole and a projection nail that protrudes into one of the crossbar insertion holes and is hammered into the synthetic resin part of the synthetic resin crossbar, and the synthetic resin crosspiece is inside the reinforcing metal pipe near one end. With the nut fixed, the end with the nut of the synthetic resin cross bar is inserted into the cross bar insertion hole without the protruding nail of the synthetic resin strut,
The nut is screwed to a bolt inserted through the bolt insertion hole through a cylindrical spacer located in the crossbar insertion hole where the projection nail is located, and the end portion not having the nut of another synthetic resin crosspiece is crossbar insertion. It is struck by a protruding nail protruding into the hole,
By inserting the cylindrical spacer and the bolt into the reinforcing metal pipe of the end portion, the synthetic resin crosspiece is attached to the synthetic resin column and the cylindrical spacer and the bolt of the shelf. The present invention relates to a synthetic resin shelf in which an inner plug is fitted and which is inserted into a reinforcing metal pipe of a synthetic resin crosspiece.

Further, the present invention is constituted by repeating units of a synthetic resin column having a reinforcing metal pipe and a synthetic resin cross bar having a reinforcing metal pipe attached in the horizontal direction of the synthetic resin column. In the method of constructing a fence made of synthetic resin, the synthetic resin is placed inside the horizontal tree insertion hole without the protruding nail out of the two horizontal tree insertion holes which do not completely pass through at the position corresponding to the same height of the synthetic resin column. An end portion having a nut fixed to a metal pipe for reinforcement of a wooden crosspiece is inserted, the nut projects into the other wooden rod insertion hole, and a horizontal wood insertion hole having a protruding nail that is driven into the synthetic resin portion of the synthetic resin crosspiece Screwed to the bolt inserted into the bolt insertion hole through the tubular spacer located inside, and the end portion without the nut of the other synthetic resin crosspiece is hammered into the protruding nail in the crosspiece insertion hole, A method of constructing a synthetic resin shelf in which a synthetic resin crosspiece is attached to a synthetic resin strut by inserting a cylindrical spacer and a bolt into the reinforcing metal pipe of the section, and the cylindrical spacer and the bolt of the shelf are internally attached. The present invention relates to a method of constructing a synthetic resin shelf in which a stopper is fitted and the inner stopper is inserted into a reinforcing metal pipe of a synthetic resin crosspiece.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be specifically described below with reference to the drawings. FIG. 1 is a cross-sectional view showing an example of a repeating unit composed of a synthetic resin strut in a synthetic resin fence according to the present invention and two synthetic resin cross bars attached at the same height of the strut and FIG. 2 is a cross-sectional view showing an example of the end portion of the synthetic resin fence according to the present invention.

The synthetic resin column 1 shown in FIG. 1 is a synthetic resin columnar body having a reinforcing metal pipe 2 extending substantially along the central axis, that is, a columnar body, a prismatic body, etc., and has an appropriate height. It has a bolt insertion hole 3 formed at a position so as to be substantially orthogonal to the central axis of the column, and a horizontal bar insertion hole 4 and a horizontal bar insertion hole 5 which communicate with the end of the bolt insertion hole 3. That is, the cross-bar insertion hole 4 and the cross-bar insertion hole 5 are formed at positions that oppose each other at a suitable height of the synthetic resin support column 1 and do not completely pass through each other, and the side faces of the synthetic resin support column 1 approximately at the center between them. A bolt insertion hole 3 is formed in a portion so that both are communicated. The bolt insertion hole 3 has a smaller diameter than the crossbar insertion holes 4 and 5, and is a reinforcing metal pipe 9 or 9'of a crossbar made of synthetic resin.
A smaller diameter is preferable to the above. The above horizontal bar insertion hole 4
Although 5 and 5 are usually cylindrical, they may be prismatic. When the crossbar insertion hole is prismatic, it is effective in preventing rotation of the synthetic resin crossbar if the synthetic resin crosspieces 8 and 8'are prismatic and substantially fit in the crossbar insertion hole. .

At least two projection nails 6 are formed on the side of the crosspiece insertion hole 5 of the reinforcing pipe 2 of the synthetic resin column 1 toward the outside, and the tips of the projection nails 6 project into the crosspiece insertion hole 5. ing. Such a protruding nail 6 is located so that when the end portion of the synthetic resin crosspiece 8 or 8'without a nut is inserted into the crosspiece insertion hole 5, it is driven into the synthetic resin portion of the synthetic resin crosspiece. Such a synthetic resin column 1
After welding the protruding nail 6, the reinforcing metal pipe 2 having the upper end closed with the plug 7 made of metal such as iron is installed in the mold,
Then, the synthetic resin can be molded by extrusion molding in which the synthetic resin is extruded under heating. The lower end portion of the synthetic resin column 1 may have a shape in which the lower end portion of the reinforcing metal pipe 2 in which the lower end portion is closed by the plug 7 is embedded in the synthetic resin similarly to the upper end portion. In the synthetic resin column 1,
It is preferable to impart a tree-like appearance to the tree.

Further, a synthetic resin crosspiece 8 shown in FIGS.
Or 8'is a synthetic resin columnar body (preferably a columnar body, but a prismatic body can also be used) having a reinforcing metal pipe 9 or 9'extending substantially along the central axis, and a synthetic resin crossbar. At one end of 8 or 8 ', a nut 10 or 10' (10 'is not shown) is fixed by welding inside the reinforcing metal pipe 9 or 9'. Nut 10 or 1
The end of the synthetic resin crosspiece 8 or 8'where 0'is formed is
The nut surface may be exposed, but preferably the nut 1
A synthetic resin portion is formed at the rear portion of 0 or 10 ', and a hole having a diameter equal to or slightly larger than the diameter of the bolt insertion hole 3 is formed in the resin layer up to the nut 10 or 10'. The synthetic resin portion formed on the nut 10 or 10 ′ can come into contact with the cross-bar insertion hole 4 of the synthetic resin column 1 and reduce strain when tightened. The through hole formed in the synthetic resin portion preferably has a diameter such that the bolt guide 14 can be inserted. Further, the nut 10 or 10 'is not formed at the other end, and the reinforcing pipe 9 or 9'and the outer periphery thereof are made of a synthetic resin portion. Further, the bolt threaded hole of the nut 10 or 10 ′ has a smaller diameter than the bolt insertion hole 3.

The crossbar 8 or 8'made of synthetic resin has a reinforcing metal pipe 9 or 9'welded at one end with a nut 10 or 10 'installed in the mold, and then the synthetic resin is heated in the mold. It can be molded by extrusion molding in which extrusion is performed. It is preferable to impart a trunk-like appearance of a tree to the synthetic resin rungs 8 or 8 '.

A synthetic resin column 1 and a synthetic resin crosspiece 8,
Examples of the synthetic resin forming 8 ′ include synthetic resins such as polyethylene and polypropylene,
If necessary, a filler such as wood powder may be mixed in an amount of 3 to 30% by weight.

Examples of the material of the reinforcing metal pipes 2, 9, 9'include metals such as iron. In the synthetic resin fence according to the present invention, one end of one synthetic resin crosspiece 8 is inserted into one of the synthetic resin crosspiece insertion holes 4 of the synthetic resin post 1 to reinforce the synthetic resin crosspiece 8. Metal pipe 9
A nut 10 fixed inside is a washer 11, a cylindrical spacer 12 formed of a synthetic resin such as polyethylene, polypropylene, or polycarbonate, and a synthetic resin column 1.
The synthetic resin crosspiece 8 is attached to the synthetic resin column 1 by being screwed into the bolt 13 inserted into the bolt insertion hole 3 of FIG. At this time, it is preferable that the bolt 13 has such a length that the bolt 13 is exposed to the outside of the crossbar insertion hole 5 even when the nut 10 is screwed. If the bolt 13 is long in this way, the work of screwing the nut 10 is easy, and if the tightened bolt / nut is loosened and the end portion of the synthetic resin crosspiece 8 is disengaged from the crosspiece insertion hole 5, the bolt portion remains Since it can be supported, it can be prevented from falling off from the synthetic resin column 1.
Incidentally, if necessary, a bolt guide 14 formed of an aluminum pipe, an iron pipe, a stainless steel pipe or the like is passed through the bolt insertion hole 3 of the synthetic resin column 1 to make the synthetic resin column 1 and the synthetic resin crosspiece 8 It is preferable to prevent rust from occurring due to rainwater or the like entering the reinforcing metal pipe 2 and the reinforcing metal pipes 9 and 9'through the contact surfaces with the contact holes 8 and 8 ', the bolt insertion holes 3 and the like. .

The end of the other synthetic resin cross piece 8'is inserted into the other cross piece insertion hole 5 of the synthetic resin strut 1, and the end of the inserted synthetic resin cross piece 8'is inside the cross piece insertion hole 5. By inserting the cylindrical spacer 12 into which the bolt 13 is inserted into the reinforcing metal pipe 9'of the synthetic resin crosspiece 8'which is struck by the protruding nail 7 protruding to the It is attached to a synthetic resin column 1. In addition, a metal pipe 9'for reinforcement of the synthetic resin crossbar 8 '
When inserting the cylindrical spacer 12 in which the bolt 13 is inserted, the end of the reinforcing metal pipe 9'of the synthetic resin crosspiece 8'is made of a synthetic resin such as polyethylene or polypropylene and has a bottomed cylindrical shape. It is preferable to prevent rust from occurring due to rainwater or the like entering the reinforcing metal pipe 9 ′ by closing it with the inner plug 15.

The synthetic resin fence according to the present invention comprises a synthetic resin column 1 and two synthetic resin crossbars 8 and 8'mounted at the same height of the column as a repeating unit. You can

In the synthetic resin fence according to the present invention, the end portion thereof may be the synthetic resin column 1 shown in FIG. 1, but as shown in FIG. It is preferable to use a synthetic resin column 1'having a protruding nail 6 and having a nut mounting hole 16 on the opposite side. In the nut mounting hole, a nut 18 is attached to the bolt 13 via a washer 17.
It is preferable that the nut mounting hole is closed with a lid 19 made of synthetic resin such as polyethylene or polypropylene.

In the synthetic resin fence according to the present invention, for example, after the synthetic resin columns 1 are installed at a predetermined interval, the reinforcing metal pipe 9 is inserted into the crossbar insertion hole 4 of the synthetic resin column 1.
The end of one synthetic resin crosspiece 8 having the nut 10 fixed therein is inserted, the bolt 13 is inserted into the cylindrical spacer 12, and the bolt 13 is inserted into the other synthetic crosspiece insertion hole 5 side of the synthetic resin strut 1. Through the bolt insertion hole 3 and one crossbar insertion hole 4
The nut 10 fixed in the reinforcing metal pipe 9 of the synthetic resin crosspiece 8 by being rotated while projecting to the side is screwed to the nut 10. Then, another synthetic material is inserted into the other crosspiece insertion hole 5 of the synthetic resin column 1. Inserting the end of the resin cross bar 8 ', striking the end of the inserted synthetic resin cross bar 8'on the projecting nail 6 protruding into the cross bar insertion hole 5, and reinforcing metal of the synthetic resin cross bar 8'. It can be constructed by inserting the tubular spacer 12 into which the bolt 13 is inserted into the pipe 9 ′. When constructing the synthetic resin fence according to the present invention, an aluminum pipe or the like is previously passed through the bolt insertion hole 3 of the synthetic resin column 1, and both ends of the aluminum pipe are widened to form the bolt guide 14. Preferably, the end of the reinforcing metal pipe 9'of the synthetic resin cross bar 8'when inserting the cylindrical spacer 12 in which the bolt 13 is inserted into the reinforcing metal pipe 9'of the synthetic resin cross bar 8 '. It is preferable to close the part with the inner plug 15.

[0020]

In the synthetic resin fence according to the present invention, when the synthetic resin crosspiece 8 is attached to the synthetic resin strut 1, the bolt 13 is rotated from the other crosspiece insertion hole 5 side of the synthetic resin strut 1. By doing so, the nut 10 fixed in the reinforcing metal pipe 9 of the synthetic resin crosspiece 8 can be screwed, and the operator holds the heavy and long synthetic resin crosspiece 8 and rotates it about the axis. Easy to build as no bolts / nuts need to be tightened.

In the synthetic resin fence according to the present invention, the end portion of the synthetic resin crosspiece 8 inserted into the crosspiece insertion hole 5 is struck by the projection nail 6 of the synthetic resin column 1.
It is possible to prevent the synthetic resin crosspiece from accidentally rotating and accidentally occurring when it is caught in the synthetic resin crosspiece or is seated on the synthetic resin crosspiece.

[Brief description of drawings]

FIG. 1 is an example of a repeating unit composed of a synthetic resin column in a synthetic resin fence according to the present invention and two synthetic resin crossbars attached at the same height of the synthetic resin column. It is sectional drawing shown.

FIG. 2 is a cross-sectional view showing an example of an end portion of a synthetic resin fence according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Synthetic resin pillar 2 Reinforcement pipe 3 Bolt insertion hole 4, 5 Cross bar insertion hole 6 Protrusion nail 8, 8'Synthetic resin cross bar 9, 9 'Reinforcing metal pipe 10 Nut 12 Cylindrical spacer 13 Bolt 15 Inner plug

Claims (4)

[Claims] 1. A synthetic resin fence formed by repeating units of a synthetic resin column having a reinforcing metal pipe and a synthetic resin crossbar having a reinforcing metal pipe attached in the horizontal direction of the synthetic resin column. In the above, the synthetic resin support column has the same height as the support column, and the two cross bar insertion holes that do not completely pass through in opposite positions, the bolt insertion hole that communicates with the two cross bar insertion holes, and one cross bar. It has a protruding nail that protrudes into the insertion hole and is hammered into the synthetic resin portion of the synthetic resin crosspiece, and the synthetic resin crosspiece has a nut fixed in the reinforcing metal pipe near one end, An end having a nut of a synthetic resin cross bar is inserted into the cross bar insertion hole of the synthetic resin column without the projection nail, and the nut is inserted through the cylindrical spacer located in the cross bar insertion hole with the projection nail. Bol inserted through the hole The other end of the cross bar made of synthetic resin and without nuts is screwed into the projecting nail protruding into the cross bar insertion hole, and the cylindrical spacer and the bolt are inserted in the reinforcing metal pipe at the end. By being inserted,
A synthetic resin fence characterized by having a synthetic resin crossbar attached to a synthetic resin column. 2. The synthetic resin according to claim 1, wherein an inner plug is fitted into the cylindrical spacer and the bolt, and the inner plug is inserted into a reinforcing metal pipe of the synthetic resin crosspiece. shelf. 3. A synthetic resin fence formed by repeating units of a synthetic resin column having a reinforcing metal pipe and a synthetic resin cross bar having a reinforcing metal pipe attached in the horizontal direction of the synthetic resin column. In the method of constructing, the reinforcement of the synthetic resin crosspiece in the crosspiece insertion hole without the protruding nail among the two crosspiece insertion holes which are not completely passed through at the position opposite to the equivalent height of the synthetic resin pillar. The end portion having the nut fixed to the metal pipe for use is inserted, the nut is projected into the other cross-bar insertion hole, and is located in the cross-bar insertion hole having the projection nail that is driven into the synthetic resin portion of the synthetic resin cross-bar. The end that is screwed to the bolt that has been inserted into the bolt insertion hole through the cylindrical spacer and that has no other synthetic resin crosspiece nut is hammered into the protruding nail in the crosspiece insertion hole to reinforce the end. For metal A method for constructing a synthetic resin shelf, characterized in that a synthetic resin crosspiece is attached to a synthetic resin column by inserting a tubular spacer and a bolt into the ip. 4. The synthetic resin shelf according to claim 3, wherein an inner plug is fitted into the cylindrical spacer and the bolt, and the inner plug is inserted into a reinforcing metal pipe of the synthetic resin crosspiece. How to build.