JP4535459B2 - Support member for supporting tree and structure for supporting tree - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a tree supporting column fixing member and a tree supporting structure used for a torii type column for supporting a tree such as a street tree.

Conventionally, as shown in FIG. 9, as shown in FIG. 9, the pillars S 1, S 2, and S 3 made of logs are vertically arranged so as to surround the tree T as a torii-type pillar (a tripod torii-type pillar in the illustrated example) to support trees such as street trees A configuration is used in which nails are driven in and fixed at the crossing points along the side, and an iron wire is wound around the crossing points.
However, since nails are used, they are fixed by point or line contact and cannot be fixed firmly. In addition, it takes skill to wind an iron wire to reinforce this, and labor and time are required for work. There was a problem that it took.
On the other hand, for example, in Japanese Patent Laid-Open No. 2001-258408, the core is made of a metal pipe, and the surface is made of a post, a cross, a brace, a splint made of plastic made from industrial waste, and bolts and nuts are used. The structure which makes it possible to fix and move the fixed position according to the growth of the tree and fastens with a fastener is disclosed.
The fastener is a belt type made of rubber or recycled rubber, is excellent in elasticity, is elastically deformed, and can be fixed with a fastener.
Also in this configuration, the vertical pillars and the horizontal bars are fixed by bolts and nuts at the intersecting positions, and the end portions of the fasteners spanned over the trees are also fixed through fasteners. However, since the intersection between the support and the cross, and the arm and the cross are only fixed by bolts and nuts, they are fixed by points or lines using bolts and nuts, and cannot be fixed firmly.

JP 2001-258408 A

The present invention has been devised in view of the above circumstances, and its main problem is that the cylindrical ring of the column fixing member is fitted and fixed to the intersecting column of logs, so that the inner circumference of the cylindrical ring is fixed. A strut fixing member and a tree support structure for supporting a tree that can be easily operated by anyone without requiring skill because the surface is in contact with the outer wall surface of the strut in a wide range of surfaces, firmly fixing the intersecting struts Is to provide.
The present invention also provides a tree support column fixing member and a tree support structure that can easily and firmly fix columns that cross in three directions by using a column fixing member and an auxiliary column fixing member. There is to do.

In order to solve the above-mentioned problem, the present invention provides a support member for supporting a tree according to claim 1.
A first cylindrical ring that can be externally fitted to one of the columns;
A second cylindrical ring that can be externally fitted to the other column;
A threaded rod-shaped first fastener projecting outward from the peripheral wall of the second tubular ring;
A screw hole projecting outward from a peripheral wall of the first cylindrical ring, and screwing the first fastener so as to be able to advance and retreat and projecting into the hollow of the first cylindrical ring; A first screw receiving portion capable of fixing one strut fitted into the first cylindrical ring at the tip of the first fastener protruding from the hole;
A nut portion that is externally fitted to the first screw receiving portion so as to be able to advance and retract;
A spring washer that is externally fitted to the first fastener and is capable of abutting against the nut portion;
A second screw receiving portion formed on the peripheral wall of the second cylindrical ring and having a hole in which a female screw is cut;
The second screw receiving portion includes a second fastening tool such as a bolt for fixing the other strut fitted into the second cylindrical ring by being screwed into the second screw receiving portion.
In the invention of claim 2,
The rotation direction of the screw of the first fastener is set to be opposite to the rotation direction of the screw of the nut portion.
In the invention of claim 3,
The first fastening tool and the second fastening tool are arranged on the same line in the diametrical direction of the second cylindrical ring.

In the column fixing method of fixing the column supporting the tree of claim 4 at a crossing point,
The first cylindrical ring is fitted on one of the columns,
A screw rod-shaped first member whose base end is fixed to one end of the second cylindrical ring and is protruded outwardly at a first screw receiving portion whose base end is fixed to one end of the first cylindrical ring and protrudes outward. Tighten the fastener while rotating the second cylindrical ring,
A nut portion that is externally fitted so as to be able to advance and retract is screwed onto the first screw receiving portion,
A spring washer is fitted around the first fastener,
While fixing one strut by the first fastener, the second cylindrical ring is rotated in a direction in which the other strut can be inserted,
The other support column is inserted into the second cylindrical ring, and a second fastener such as a bolt is screwed and fixed to the second screw receiving portion formed on the second cylindrical ring,
The nut portion is clamped between the nut portion and the peripheral wall of the second cylindrical ring by tightening the nut portion along the first screw receiving portion in a direction approaching the second cylindrical ring, and the nut of the spring washer The first fastening tool and the first screw receiving portion are firmly tightened by a repulsive force to the portion.

In the support member for supporting a tree according to the present invention, the first cylindrical ring and the second cylindrical ring are screwed together with a screw rod-shaped first fastener so that the second cylindrical ring can be rotated. Even if the first cylindrical ring is fitted in one of the columns, the second cylindrical ring can be rotated according to the angle between the one column and the other column, and the first cylindrical ring and the first column can be rotated. The two cylindrical rings can be fixed at an optimum angle.
Then, the spring is formed by the tip of the nut portion screwed to the first screw receiving portion and the outer peripheral wall of the second cylindrical ring by screwing the first fastener into the screw hole of the first screw receiving portion. The washer is pinched so as to be repelled, and the screwed state can be locked.
Further, by screwing the nut portion outside the first screw receiving portion, the nut portion can be more firmly locked.

  In this invention, the first cylindrical ring and the second cylindrical ring are screwed and connected with the first fastener, and the spring washer is pressed using the nut portion screwed to the first screw receiving portion. By using the repulsive force to fasten the screwed state between the first fastener and the first screw receiving portion, the object of ease of work and quickness was realized.

A preferred embodiment of the column fixing member of the present invention will be described below with reference to the drawings.
The column fixing member 1 shown in FIGS. 1 to 5 includes a first cylindrical ring 2 that can be fitted over the first column S1 and a second tube that can be fitted over the second column S2 that intersects the first column S1. Shaped ring 5.

[First cylindrical ring]
The first cylindrical ring 2 is a belt-shaped ring made of metal, has a relatively short width, and is provided with a through-hole set to a diameter that can be fitted onto a support column.

[First screw receiving part]
The peripheral wall of the first cylindrical ring 2 has an inner screw 3a made of a female body that is formed of a cylindrical body and projects outward so that a first fastening tool 6 described later can be screwed back and forth. A first screw receiving portion 3 engraved on the wall surface is formed.
In the case of the present embodiment, the first screw receiving portion 3 is formed of a cylindrical body, and an outer screw 3b made of a male screw is engraved on the outer peripheral wall surface.

[Nut part]
A nut portion 4 is externally fitted and screwed into the first screw receiving portion 3.
The nut portion 4 has an outer diameter whose end surface can be pressed against a spring washer 10 described later.
The nut portion 4 is screwed to the outer screw 3b of the first screw receiving portion 3 so as to be able to advance and retract.
It is preferable that the screw tightening direction is set so that the nut portion 4 is tightened in the direction opposite to the screw tightening direction of the first fastener 6.
And the nut part 4 is rotated reversely with respect to the fastening direction of the first fastening tool 6 to press a spring washer 10 described later (see FIG. 5).

[Second cylindrical ring]
Next, the second cylindrical ring 5 is a belt-like ring made of metal, has a relatively short width, and has a through-hole set to a diameter that can be externally fitted to the column. In the embodiment, it has the same size as the first cylindrical ring 2.
On the peripheral wall of the second cylindrical ring 5, there is provided a screw rod protruding outward from one end, that is, a rod-shaped first fastening tool 6 in which a male screw is engraved on the outer periphery.

[First fastener]
In the illustrated example, the first fastener 6 has a stud bolt configuration, but the head of the bolt may be welded to the peripheral wall of the second cylindrical ring 5.
In the case of the illustrated example, the first fastening tool 6 has a sharpened tip with a tapered cross section, and is screwed into the first screw receiving portion 3 to protrude into the hollow of the first cylindrical ring 2. The first cylindrical ring 2 can be fixed by biting into the first support column S1 on which the first cylindrical ring 2 is fitted.
Here, the first fastening tool 6 may have an abutting plate having a circular arc cross section at the tip and press the strut.

[Spring washer]
A spring washer 10 is fitted on the first fastener 6.
The spring washer 10 includes a known spring washer 10 in which one end of a ring-shaped main body is cut and twisted, and is pressed against the peripheral wall of the second cylindrical ring 5 by pressing the nut portion 4 (see FIG. 5).

[Second screw receiving part]
Further, a second screw receiving portion 7 having a hole in which a female screw is cut is formed at a portion of the peripheral wall of the second cylindrical ring 5 facing the first fastener 6 in the diametrical direction.
In the case of the illustrated example, the second screw receiving portion 7 has a configuration in which the second cylindrical ring 5 is cut and raised in a cylindrical shape and a screw is cut on the inner periphery, but a nut is welded as described later. It may be a thing.

[Second fastener]
A second fastening tool 9 made of a bolt is screwed to the second screw receiving portion 7 so as to be able to advance and retract.
The second fastener 9 is screwed into the second screw receiving portion 7 so that the tip protrudes into the hollow of the second cylindrical ring 5 and fixes the second column S2 to which the second cylindrical ring 5 is externally fitted. can do.

In the case of the illustrated example, the second fastener 9 has a sharpened tip at a tapered cross section, and is screwed into the second screw receiving portion 7 to protrude into the hollow of the second cylindrical ring 5. The second cylindrical ring 5 can be fixed by biting into the second support column S2 fitted outside.
Here, like the first fastener 6, the second fastener 9 may have an abutting plate having a circular arc cross section at the tip to press the strut.
In the figure, reference numeral 8 denotes a nut.

[Usage of column fixing members]
Since it consists of the above-mentioned composition, the tip of the 1st fastener 6 which externally fitted spring washer 10 was shallowly screwed with the 1st screw receiving part 3 which screwed the nut part 4, and the 2nd fastener In a state where the tip of 9 is shallowly screwed into the second screw receiving portion 7, the first cylindrical ring 2 and the second cylindrical ring 5 are connected to each other, and the support fixing member 1 is used as shown in FIG. To do.

Further, as shown in FIG. 9, the pillars for fixing the tree T are, as illustrated in FIG. 9, the first pillar S <b> 1 and the second pillar S <b> 2 are made of wooden logs, and the longitudinal pillars have a pile shape with sharpened tips. The horizontal support column has a known shape in which both ends are flat.
And the said 1st cylindrical ring 2 and the 2nd cylindrical ring 5 are set larger diameter than said support | pillar S1, S2.

  As an example of fixing the column using the column fixing member 1, when the bipedal torii type shown in FIG. 9 is used, as shown in FIG. 3, the first cylindrical ring 2 is first attached to the first column S1 facing sideways. , The second cylindrical ring 5 is rotated, the first fastener 6 is screwed into the first screw receiving portion 3 and screwed toward the center of the first cylindrical ring 2, and the tip thereof is The first cylindrical ring 2 is fixed to the first support column S1 by biting into the first support column S1.

Then, as shown in FIGS. 3 and 4, the second cylindrical ring 5 is finely adjusted by turning so as to be orthogonal to the driving direction of the second support column S <b> 2.
A second vertical column S2 is inserted into the second cylindrical ring 5 from the tip side and driven into the ground.
Next, the second fastening tool 9 is turned in the tightening direction and screwed into the second screw receiving portion 7, and the tip thereof is screwed toward the center of the second cylindrical ring 5 so as to bite into the second column S2. Then, as shown in FIG. 4, the first support pillar S <b> 1 is fixed to the second cylindrical ring 5.

Here, since it is necessary to adjust the posture of the second cylindrical ring 5 so that the second cylindrical ring 5 can be fitted to the second column S2, the first fastener 6 is not necessarily provided in the first screw receiving portion 3 with a gap. It will not be tightened.
Therefore, when a slight gap is generated between the first fastener 6 and the first screw receiving portion 3 as shown in FIG. 5A, the nut portion 4 is screwed from the first screw receiving portion 3. As shown in FIG. 5 (b), the spring washer 10 fitted around the first fastener 6 is turned around the second cylindrical ring 5 by turning it in the retracting direction (direction approaching the second cylindrical ring 5). Strongly squeezed between the walls.

At this time, the length of the first screw receiving portion 3 must be set so that the nut portion 4 does not come off the first screw receiving portion 3 and can maintain the screwed state.
The nut portion 4 is restrained at the screwing position by the repulsive force of the pressed spring washer 10.
Accordingly, the first cylindrical ring 2 and the second cylindrical ring 5 are firmly fixed in a posture in which the first support column S1 and the second support column S2 are fixed. Even when a load is applied to the support column S2, the restraint posture with respect to the tree can be reliably maintained.

The strut fixing member 1 fixes crossing struts. For example, a method of fixing three struts will be described with reference to FIG.
For example, this is fixed through the first cylindrical ring 2 of the first column fixing member 1 to the lateral first column S1 ′ (see FIG. 6A).

  Next, the second cylindrical ring 5 of the column fixing member 1 and the first cylindrical ring 2 ′ of the second column fixing member (for convenience of explanation, “′” is added to the reference numeral, the same applies hereinafter). Align and pass the second strut S2 'into the hollow.

The second tubular ring 5 is fastened to the second support column S2 ′ by tightening the second fastener 9, and the nut portion 4 is screwed out so that the first tubular ring 2 of the first support member 1 is fixed. And the second cylindrical ring 5 are fixed.
Further, the first cylindrical ring 2 ′ of the second column fixing member 1 ′ is fixed to the second column S2 ′ by tightening the first fastener 6 ′ (see FIGS. 6B and 6C).

Next, the third column S3 ′ is inserted into the second cylindrical ring 5 ′ of the second column fixing member 1 ′ and driven into the ground.
Then, the second fastener 9 is screwed into the third support column S3 ′ so that the second cylindrical ring 5 ′ is fixed to the third support column S3 ′, and the nut portion 4 ′ is screwed out. Then, the first cylindrical ring 2 ′ and the second cylindrical ring 5 ′ of the second column fixing member 1 ′ are fixed (see FIG. 6D).
As described above, the column fixing member 1 can be used in any direction as long as the columns support each other.

FIG. 8 shows another embodiment of the column fixing member 1.
In this column fixing member 1, the configuration of the first cylindrical ring 2 and the first screw receiving portion 3 is the same as that of the above embodiment, but the first fastener 6 provided in the second screw receiving portion 7 is a bolt. The head is welded to the peripheral wall of the second cylindrical ring 5.

Further, the second screw receiving portion 7 is arranged at a position displaced by approximately 90 degrees from the center of the second screw receiving portion 7 with respect to the first fastener 6.
The second screw receiving portion 7 is configured by forming a hole in the second cylindrical ring 5 and welding a nut so that the hollow portion communicates with the hole.
Since other configurations are the same as those of the first embodiment, the same components are denoted by the same reference numerals, and the description thereof is omitted.

In this invention, the support structure of the tree T is not limited to the torii type of the said Example, It can be used for the structure which crosses the support | pillar consisting of a log and supports a tree.
In addition, it goes without saying that various design changes can be made without departing from the scope of the present invention.

It is the exploded view seen from the front which shows the assembly state of a support | pillar fixing member. It is a front view which shows an assembly state. It is a front view which shows the use condition which fixes a 1st support | pillar with a support | pillar fixing member. It is a front view which shows the use condition which fixes a 2nd support | pillar with a support | pillar fixing member. (A) is a principal part enlarged view which shows the 1st step which fixes a 1st cylindrical ring and a 2nd cylindrical ring, (b) is a principal part enlarged view which shows a 2nd step. It is explanatory drawing at the time of fixing three support | pillars using a support | pillar fixing member, Comprising: (a) is a figure of the state which fixed the 1st cylindrical ring of the 1st support | pillar fixing member to the 1st support | pillar, (b) ) Is a diagram showing a state in which the second cylindrical ring of the first column fixing member and the first cylindrical ring of the second column fixing member are fixed to the second column, (c) is a plan view thereof, and (d) the first column. It is a figure of the state which fixed the 3rd support | pillar to 2 support | pillar fixing members. It is the same perspective view. It is a front view of the support | pillar fixing member of a different Example. It is a side view which shows the support structure of the tree by the conventional torii type support | pillar.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Support | pillar fixing member 2 1st cylindrical ring 3 1st screw receiving part 3a Inner screw 3b Outer screw 4 Nut part 5 2nd cylindrical ring 6 1st fastener 7 2nd screw receiving part 8 Nut 9 2nd tightening Tool 10 Spring washer S1 First strut S2 Second strut S3 Third strut T Tree

Claims (4)

In the column fixing member that fixes the columns supporting the trees,
A first cylindrical ring that can be externally fitted to one of the columns;
A second cylindrical ring that can be externally fitted to the other column;
A threaded rod-shaped first fastener projecting outward from the peripheral wall of the second tubular ring;
A screw hole projecting outward from a peripheral wall of the first cylindrical ring, and screwing the first fastener so as to be able to advance and retreat and projecting into the hollow of the first cylindrical ring; A first screw receiving portion capable of fixing one strut fitted into the first cylindrical ring at the tip of the first fastener protruding from the hole;
A nut portion that is externally fitted to the first screw receiving portion so as to be able to advance and retract;
A spring washer that is externally fitted to the first fastener and is capable of abutting against the nut portion;
A second screw receiving portion formed on the peripheral wall of the second cylindrical ring and having a hole in which a female screw is cut;
A tree support comprising: a second fastening tool such as a bolt which is screwed to the second screw receiving portion so as to be able to advance and retreat and which fixes the other strut fitted in the second cylindrical ring. Prop fixing member.   The tree-supporting column fixing member according to claim 1, wherein the rotation direction of the screw of the first fastener and the rotation direction of the screw of the nut portion are set in opposite directions.   The tree-supporting strut fixing member according to claim 1 or 2, wherein the first fastener and the second fastener are arranged on the same line in the diameter direction of the second cylindrical ring. In the column fixing method of fixing the columns supporting the trees at the intersections,
The first cylindrical ring is fitted on one of the columns,
A screw rod-shaped first member whose base end is fixed to one end of the second cylindrical ring and is protruded outwardly at a first screw receiving portion whose base end is fixed to one end of the first cylindrical ring and protrudes outward. Tighten the fastener while rotating the second cylindrical ring,
A nut portion that is externally fitted so as to be able to advance and retract is screwed onto the first screw receiving portion,
A spring washer is fitted around the first fastener,
While fixing one strut by the first fastener, the second cylindrical ring is rotated in a direction in which the other strut can be inserted,
The other support column is inserted into the second cylindrical ring, and a second fastener such as a bolt is screwed and fixed to the second screw receiving portion formed on the second cylindrical ring,
The nut portion is clamped between the nut portion and the peripheral wall of the second cylindrical ring by tightening the nut portion along the first screw receiving portion in a direction approaching the second cylindrical ring, and the nut of the spring washer A method for fixing a column for supporting a tree, characterized in that the first fastening tool and the first screw receiving portion are firmly tightened by a repulsive force to the portion.

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