JPH07292631A - Built-up type fence - Google Patents

Abstract

PURPOSE:To obtain a built-up type fence, in which fence bodies can be stacked easily at multi-stages even when there are irregularities in an installation surface and height and width are adjusted easily and which has even an excellent fine view. CONSTITUTION:Holders 2 with fixing sections 3 and holding sections 4 having small diameters are mounted and fixed onto posts 1. The holes 9 of fence bodies 8 having the holes 9 having an inside diameter coinciding with the outside diameter of the holding sections of the holders at both ends are fitted to the holding sections 4. The fence bodies 8 are connected mutually by connectors 11 with connecting sections having the same diameter as the outside diameter of the holding sections 4 of the holders 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a prefabricated fence installed at a site during road construction or the like.

[0002]

2. Description of the Related Art In general, a fence installed at a site during civil engineering work is a folding type (so-called A type barricade) or a fence formed at the lower end of the fence is inserted into a concrete stand. Built-in type and the like.

[0003]

However, the above-mentioned conventional fences have only the function as a single item, cannot adjust the height and width, and cannot be connected to each other. To solve this problem,
In Japanese Patent No. 484, a fence having a structure in which a base and an upright wall can be connected to each other has been proposed. However, in this fence, since the base and the upright wall have a substantially rectangular parallelepiped shape, there is a problem that if the installation surface is uneven, the fence may be inclined or it may be difficult to make the heights uniform. .

The present invention has been made by paying attention to the problems existing in such a conventional technique, and an object thereof is to easily stack a fence main body in multiple stages even if the installation surface is uneven. Moreover, it is to provide a prefabricated fence that is easy to adjust in height and length, is highly stable, and has an excellent appearance.

[0005]

In order to achieve the above object, in the invention of claim 1, the fence main body is provided with cylindrical holes extending in the standing direction at four corners, and the fence main body is inserted into the holes. And a support for connecting two adjacent fence main bodies or a support and a retainer that can be fixed to the outer periphery of the support, having a retaining portion that is inserted into the hole to support the fence main body, The holding part is composed of a cylindrical or columnar holding tool having an axis parallel to the axis of the support column in a supported and fixed state, and has a plurality of types of assembling methods of different fence bodies.

According to the second aspect of the present invention, the structure for fixing the holder to the supporting column includes a fixing portion capable of enclosing the outer periphery of the supporting column.
It has a locking portion provided at one end of the fixed portion, a loop hooked on the locking portion, and a manual operation portion for arranging the loop in the hooking state and the hook releasing state.

In the invention of claim 3, the holder has a pair of holding portions, and an angle between a line connecting the center of the fixed portion and the center of each holding portion is 40 ° or more and 70 ° or less.

[0008]

[Operation] Therefore, in the invention of claim 1, the method of connecting and supporting the fence main body can be selected according to the installation condition, the fence main body is connected only by the connecting tool, and the connecting tool is provided at the lower end of the lowermost fence main body. It can be installed and can stand upright on the support base. Further, the fence main body can be supported by fixing the holder to the column and fitting the holes at both ends of the fence main body into the holding portion, and the height and width of the entire fence can be easily adjusted. Also, the gap between the top and bottom of the fence body can be easily adjusted.

According to the second aspect of the present invention, it is possible to fix the holder at an arbitrary height by a simple operation of the manual operation unit without using a tool for attaching the holder to the column.
Further, in the invention of claim 3, the holder has a pair of holding portions, and the angle between the center of the fixing portion and the line connecting the centers of the holding portions is 40 ° or more and 70 ° or less, There are few gaps between the fence bodies, and the holder is not noticeable from the outside of the fence, which is also aesthetically pleasing.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a prefabricated fence embodying the present invention will be described in detail below with reference to FIGS. 1, 3 and 4.

As shown in FIGS. 1, 3 and 4, the prefabricated fence of this embodiment comprises a support 1, a holder 2, a fence main body 8 and a connector 11. The column 1, the holder 2, the fence body 8 and the connector 11 are integrally formed of synthetic resin. The pillar 1 is made of a pipe having a circular cross section.

The holder 2 comprises a fixing portion 3 for fixing the support 1 in an enclosed state, and a pair of cylindrical or columnar holding portions 4 for supporting the fence main body 8. The axis of the holding unit 4 is parallel to the axis of the support column 1 with the fixing unit 3 surrounding the support column 1. The outer diameter of the holding portion 4 is smaller than the outer diameter of the column 1. The angle of the line connecting the center of the fixed portion 3 and the center of each holding portion 4 is 55 °. The fixed part 3 is shown in FIG.
As shown in FIG.
And a handle 5 that has a shaft 5a at the other end and rotates about the shaft 5a
have. A loop 6 is locked to the handle 5.

The fence main body 8 has slant slats inside the surrounding frame, and these slats are integrally formed with the frame. Connection holes 9 are provided at the four corners of the frame.
As shown in FIG. 7, the connection hole 9 is formed in a frame, and the frame has an opening 10 whose rear side is open. The inner diameter of the connection hole 9 is substantially equal to the outer diameter of the holding portion 4 of the holder 2.

The connecting tool 11 is made of a pipe, and a rib 13 is provided around the center of the connecting tool 11, and the ribs 13 serve as connecting portions 12 on both sides. The outer diameter of the connecting portion 12 is substantially the same as the outer diameter of the holding portion 4 of the holding tool 2 and the inner diameter of the connecting hole 9 of the fence body 8.

Explaining the method of assembling this assembling type fence, the pillar 1 is driven upright on the ground,
It is inserted into a heavy support stand and installed upright, or selected according to the situation of the assembly place. A plurality of types of columns 1 having different lengths are prepared, an appropriate length is selected according to the height of the fence, and the columns 1 are erected at regular intervals. Holder 2
Is fixed to the outer periphery of the pillar 1 in a state where the fixing portion 3 is surrounded.
The fixing is performed by fitting the fixing portion 3 onto the support column 1, hooking the loop 6 on the locking portion 7, and rotating the handle 5 toward the fixing portion side. The holder 2 is fixed to the lower part and the upper part of the column 1.

The fence body 8 is supported by inserting the holder 4 of the holder 2 into the connection hole 9 from below through the opening 10 and fitting the connection hole 9 onto the holder 4. . Since the two holding parts 4 are juxtaposed on the holding tool 2, the adjacent fence bodies 8 are supported at the same height. When stacking the fence main bodies 8 in multiple stages, the connection holes 9 at the lower end of the upper fence main body 8 and the lower fence main body 8
The fence main bodies 8 are vertically connected by inserting the connecting portion 12 of the connecting tool 11 into the connecting hole 9 at the upper end of the fence body 8. In this connected state, the rib 13 of the connector 11 is
Contact the upper end or the lower end of the connection hole 9 of the fence body 8. Then, the fence main body 8 is fixed to the pillar 1 by supporting the lower end of the lowermost fence main body 8 and the upper end of the uppermost fence main body 8 with the holder 2.

In this way, if the heights of the lowermost holders 2 are made uniform as shown in FIG. 3, the uppermost fence main body 8 is formed.
Also has the same height. Therefore, the height can be easily adjusted even when the installation surface of the column 1 is uneven. When supporting the upper end of the uppermost fence main body 8 with the holder 2, as shown in FIG. 1, it may be supported from the lower side of the connection hole 9, but as shown in FIG. It may be mounted in reverse and supported from the upper side of the connection hole 9. In this case, the fence main body 8 is regulated from above and below, and even if an impact is applied to the fence, there is less risk that the fence main body will float upward and separate from the holder.

When a gap is provided between the upper and lower fence main bodies 8, the lower end of the upper fence main body 8 and the upper part of the lower fence main body 8 are supported by another holding tool 2 provided with a gap. When the fence is formed in an L shape or a square shape, adjacent fence bodies 8 are supported so as to be orthogonal to each other, as shown by an imaginary line in FIG.

When the fence is not raised, as shown in FIG. 2, without using the holder 2, the support 16 is directly passed through the connection hole 9 of the fence body 8 and the holder 17 is provided at the lower end of the fence body. It is also possible to support by abutting. The holder 17 has a structure in which the holder 4 is cut off from the holder 2. In addition, without using the support 1 and the holder 2, the fence main bodies 8 are connected to each other by the connecting tool 11, and the connecting portion 12 of the connecting tool 11 is inserted into the connecting hole 9 at the lower end of the lower fence main body 8 to move downward. It is also possible to insert the protruding connecting portion 12 into the hole of the supporting base to support it.

In the assembled fence of this embodiment, the holder 2 is fixed to the column 1, and the holder 4 is fitted with the connection holes 9 at both ends of the fence main body 8 so that the fence main body 8 can be fitted.
Can be supported and the height and width of the fence can be easily adjusted. If only the lower end of the lowermost fence main body 8 and the upper end of the uppermost fence main body 8 are supported by the holder 2, the other fence main bodies 8 can be connected by the connecting tool 11. In that case, if the heights of the lowermost holders 2 are made uniform, the entire heights are made uniform, and there is no step between the fence bodies 8. Since the holding part 4 of the holding tool 2 has a smaller diameter than the column 1, the connection hole 9 of the fence main body 8 can also have a smaller diameter accordingly, and the thickness of the fence main body 8 can be reduced. Can be lightened.

Further, a tool is not required to fix the holder 2 to the column 1, and the holder 2 can be easily fixed at an arbitrary height by a manual operation. In addition, the holder 2 has a pair of holding portions 4.
Since the angle between the center of the fixed portion 3 and the line connecting the centers of the holding portions 4 is 55 °, the gap between the fence main bodies in the lateral direction is reduced, and the holding tool is provided from the outside of the fence. Two
Is inconspicuous and is aesthetically pleasing.

The present invention is not limited to the configurations of the above-described embodiments, but may be embodied by making the following arbitrary changes without departing from the spirit of the present invention.

(1) As shown in FIG. 6, a plurality of concave lines are provided on the support column 1, and a convex line corresponding to the concave lines is provided inside the fixing portion 3 of the holder 2. In this case, the holder 2 is more firmly fixed to the column 1, and there is no risk of the holder 2 coming off the column 1 even if the fence bodies are stacked in multiple stages.

(2) In the above case (1), the fixing portion 3 of the holder 2 is made of a transparent member. In this case, the operator can visually recognize the concave stripes and the convex stripes.
It is possible to easily fit the convex stripe of the fixing portion 3 of the holder 2 into the concave stripe.

In addition to the technical idea described in the claims, the technical idea grasped in each of the embodiments will be described below. (A) A pillar that is erected on the ground and the like, a holder that can be fixed to the outer periphery of the pillar, and a holder that has a cylindrical or columnar holding portion that has an axis parallel to the axis of the pillar in the fixed state. Having been provided, a fence main body having a hole that is externally fitted to the holding portion at both ends, and is inserted into the hole of the fence main body,
A prefabricated fence consisting of a connecting tool that connects adjacent fence bodies.

According to this structure, if only the lower end of the lowermost fence main body and the upper end of the uppermost fence main body are supported by the holder, the other fence main bodies can be connected by the connecting tool. In that case, if the heights of the lowermost holders are made uniform, the entire heights are made uniform, and there is no step between the fence bodies.

(B) In the above-mentioned item (a), the fence main body has connection holes at four corners of the frame, and the back side of the fence is open except for the connection holes of the frame. According to this structure, it is possible to easily insert the holding portion of the holding tool from both upper and lower directions of the connection hole.

[0028]

Since the present invention is configured as described above, it has the following excellent effects. That is, according to the invention of claim 1, the method of connecting and supporting the fence main body can be selected according to the installation situation, the fence main body is connected only by the connecting tool, and the connecting tool is provided at the lower end of the lowermost fence main body to support. You may stand on a stand. Further, the fence main body can be supported by fixing the holder to the column and fitting the holes at both ends of the fence main body into the holding portion, and the height and width of the entire fence can be easily adjusted. Also, the gap between the top and bottom of the fence body can be easily adjusted.

According to the second aspect of the invention, a tool is not required for mounting the holder on the column, and the work is easy. Further, in the invention of claim 3, the holder has a pair of holding portions, and the angle between the center of the fixing portion and the line connecting the centers of the holding portions is 40 ° or more and 70 ° or less, There are few gaps between the fence bodies and the retainer is not conspicuous from the outside of the fence, and it is aesthetically pleasing.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a prefabricated fence embodying the present invention.

FIG. 2 is a perspective view showing a state in which a fence main body is directly attached to a column.

FIG. 3 is a front view showing a state in which columns are erected on uneven ground and the holders at the lower ends are aligned in height.

FIG. 4 is a perspective view showing a state in which the uppermost holder is mounted upside down and the holder is inserted from above the connection hole of the fence body.

FIG. 5 is a plan view showing a state in which a holder is mounted on a support and the fence main body is supported by the holder.

FIG. 6 is a cross-sectional view showing a state in which a recess is formed on a support and a corresponding protrusion is provided on a fixing portion of a holder.

FIG. 7 (a) is a front view of the fence main body. (B) It is an AA sectional view in Drawing (a).

[Explanation of symbols]

1 ... Posts, 2 ... Holder, 3 ... Fixing part, 4 ... Holding part, 5 ...
Handle, 6 ... Loop, 7 ... Locking part, 8 ... Fence body, 9 ... Connection hole, 11 ... Connection tool, 12 ... Connection part, 13 ...
rib.

Claims (3)

[Claims] 1. A fence main body having cylindrical holes extending in the standing direction at four corners, a connecting tool or a support for connecting two adjacent fence main bodies inserted into the holes, and the support of the support. A holder that can be fixed to the outer periphery and has a holding portion that is inserted into the hole to support the fence main body, and the holding portion has a cylindrical shape or a cylindrical shape that has an axis parallel to the axis of the column in the supported and fixed state. And an assembling type fence having a plurality of types of assembling methods having different fence bodies. 2. A structure for fixing a holder to a support column comprises a fixing part capable of surrounding the outer periphery of the support column, a locking part provided at one end of the fixing part, and a loop hooked on the locking part. The prefabricated fence according to claim 1, further comprising: a manual operation unit that arranges the loop in a hooked state and a hook released state. 3. The assembly according to claim 1, wherein the holder has a pair of holding portions, and an angle between a line connecting the center of the fixing portion and the center of each holding portion is 40 ° or more and 70 ° or less. Type fence.