JP2001262871A - Fence - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fence capable of being easily and quickly assembled. SOLUTION: The fence 100 includes a plurality of struts 10 and a plurality of cross beam members 20 arranged among the struts 10. Each of the struts 10 is formed of a hollow member, and a plurality of supporting cross holes 14 are formed in each of the struts 10. Joint cross holes 22 are formed in both ends of each of the cross beam members 20. The end of each of the cross beam members 20 is inserted in each of the supporting cross holes 14 of each of the strut 10 to project each of the joint cross holes 22 to the inside of the hollow member and is positioned. Each of the joint cross holes 22 in each of the cross beam members 20 arranged up and down is positioned on the common axis. A joint pin member 40 is so placed inside of the hollow member in each of the struts 10 that it passes through each of the joint cross holes 22 in each of the cross beam members 20 downward from above in a separable manner.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fence applicable to roads, parks, rooftops of buildings, multi-story parking lots, multi-story bicycle parking lots, road works or building works.

[0002]

2. Description of the Related Art Conventionally, there are various types of fences, for example, installed on a road, that is, fences installed at a boundary between a road and a sidewalk in order to divide the road from a sidewalk. A typical example of this type of fence includes a plurality of posts spaced apart from each other and a plurality of transverse beam members disposed between each of the posts. Between the upper ends of each of the pillars, a cap member is laid sideways. Each of the pillars, each of the transverse beam members, and the coping members are each formed of a metal member such as a steel material. By the way, it is desirable that the fence of the above-described embodiment is easy to assemble at an installation site and is assembled as quickly as possible. In addition, it can be said that meeting the requirements of the times is to satisfy various requirements such as being recyclable, being widely used, being excellent in design, and the like. Therefore, when the fence is put into practical use, it is required to satisfy the above-mentioned requirements.

[0003]

In the above-mentioned conventional fence, the connection between each of the columns and each of the lateral beam members and the connection between each of the columns and the coping member are performed by welding or bolt-nut coupling. That is the fact. Therefore, when assembling the fence, the number of welding locations or bolt / nut coupling locations increases, which makes assembly work difficult and requires a lot of time and labor for assembly work. Also, since there are many welding points, the disassembling work is difficult as in the above-mentioned assembling work, and the recycling is limited and insufficient. Furthermore, due to the difficulty of the assembling work and the disassembling work, it cannot be applied to a fence such as a road construction or a construction work, and the use application as the fence is narrowed. Furthermore, the fact that there are many welded spots and bolted spots is a factor that impairs aesthetics and reduces the design.

The present invention has been made based on the above facts, and an object of the present invention is to provide a novel fence which allows easy and quick assembly at an installation site.

[0005] It is another object of the present invention to provide a novel fence that facilitates recycling.

[0006] Yet another object of the present invention is to provide a novel fence that is versatile.

Still another object of the present invention is to provide a novel fence which is excellent in design.

[0008]

SUMMARY OF THE INVENTION According to the present invention, there is provided a fence comprising a plurality of columns spaced apart from each other and a plurality of transverse beam members disposed between each of the columns. Are formed from a hollow member, a plurality of support lateral holes are formed at positions opposed to each other on the columns at intervals in the vertical direction, and connection lateral holes are provided at both ends of the horizontal beam member. An end of the lateral beam member is removably inserted into each of the opposing support lateral holes of each of the columns, and each connecting lateral hole is positioned so as to protrude into the hollow portion. Are vertically spaced between each of the struts, and the connecting transverse holes of each of the vertically spaced transverse beam members are positioned on a common axis, and each of the struts is Connecting pin member in vertical direction in hollow part It is arranged to detachably through each connecting transverse bore of the lateral beam members arranged at a distance from top to bottom, fence, characterized in that there is provided.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a fence constructed according to the present invention will be described in detail with reference to the accompanying drawings.

Referring to FIG. 1 to FIG.
Includes a plurality of columns 10 spaced apart from each other and a plurality of lateral beam members 20 disposed between the columns 10. In the embodiment, only two intermediate pillars 10 are illustrated in the embodiment. Since each of the columns 10 is composed of mutually common parts, the configuration of one of them will be described as a representative thereof.

The column 10 is formed of a hollow member made of metal, in this embodiment a hollow square member (square pipe) having a rectangular cross section, and a metal base plate 12 is integrally connected to one end (lower end) thereof. . The base plate 12 is formed from a rectangular flat plate member, and the support columns 10 are arranged such that the base plate 1 is upright from the center of the base plate 12.
2, the lower end is previously fixed and connected integrally by fixing means such as welding. The base plate 12 has a plurality of, in the embodiment, four mounting holes 12a (only three are shown in FIG. 3). A plurality of support lateral holes 14 having a common axis are provided in each of the side walls, which are mutually opposed portions of the column 10 having a rectangular cross section, at intervals in the longitudinal direction (vertical direction) of the column 10. In the embodiment shown in FIGS. 1-3, three are formed on each of the side walls. The inner diameters of the support lateral holes 14 are substantially the same. At each of the side walls at the upper end of the column 10, two mounting holes 16 (see FIG. 3) having a common axis are formed at intervals in the width direction of the side walls.

Since each of the transverse beam members 20 is composed of mutually common components, the configuration of one of them will be described as a representative thereof. Lateral beam member 20
Is formed of a hollow member made of metal, in the embodiment, a hollow round bar member (round pipe) having a circular cross section, and connection lateral holes 22 are formed at both ends. Each of the connection horizontal holes 22 is formed on an axis orthogonal to the axis of the horizontal beam member 20, and is formed to penetrate from one of the outer peripheral surfaces to the other on the diametrically opposite side. The outer diameter of the horizontal beam member 20 is formed slightly smaller so that it can be removably inserted into the inner diameter of the support horizontal hole 14 formed in each of the columns 10.

Each of the columns 10 is installed at appropriate intervals, for example, along the boundary between the road and the sidewalk.
More specifically, on the ground G, which is the boundary,
The foundations 30 are buried at appropriate intervals. Foundation 3
Each of the reference numerals 0 is constituted by a concrete block having a rectangular parallelepiped shape. 4 on the top of each of the foundations 30
Two relatively elongated metal cap members 32 are embedded,
A female screw 34 is formed on the inner peripheral surface of each of the cap members 32. Each of the pillars 10 is mounted on the upper surface of the corresponding base 30 with the respective base plate 12 and the mounting hole 12
Each of a is aligned with the internal thread 34 of the corresponding foundation 30 and is removably fixed to the foundation 30 by being screw-engaged with the corresponding foundation 30 by a bolt 35. The ends of the transverse beam members 20 are respectively detachable from each of the mutually opposing support transverse holes 14 of each of the columns 10 that are installed upright at intervals on the ground G via each of the foundations 30. , Each connecting horizontal hole 22 of the horizontal beam member 20 is positioned protruding into the hollow portion of the corresponding column 10. Thereby, the horizontal beam member 2
Each of the 0s is vertically spaced between each of the columns 10. Each connecting horizontal hole 22 of the horizontal beam member 20 arranged at intervals in the up-down direction is
Are located on a common axis extending in the vertical direction along the support column 10 in the hollow portion. The amount of protrusion of each of the lateral beam members 20 into the hollow portion of the corresponding column 10 is substantially constant, and within each of the hollow portions of the column 10, the lateral beam members 20 located on a common axis are mutually set. Each tip is positioned so as to face each other with a predetermined gap.

In each of the columns 10, of the lateral beam members 20 protruding from one of the side walls, each of the lateral beam members 20 protruding into the hollow portion from each of the side walls that are mutually opposed parts. Each of the connecting lateral holes 22 is positioned on a common one-side axis extending vertically in the hollow portion along the column 10 and is positioned so as to project from the other of the side walls. Each of the connecting lateral holes 22 is positioned on a common other axis extending vertically in the hollow portion along the column 10. In each hollow portion of the column 10, a connecting pin member 40 having a U-shape extends downward from above each connecting horizontal hole 22 of the horizontal beam member 20 protruding from each side surface of each column 10. It is arranged so that it may be detachably penetrated. Each of the connecting pin members 40 made of mutually common parts is integrally formed from a metal round bar member,
Connecting body portions 41 and 42 that extend linearly in parallel with each other and have the same shape, and a base end portion 4 that linearly extends between one ends of the connecting body portions 41 and 42 so as to be orthogonal to them.
And 3. The other end portions of the connection main bodies 41 and 42 are formed at an acute angle, but this configuration makes it easy and smooth to insert the horizontal beam member 20 into each corresponding connection horizontal hole 22 from above. It is possible to do.

More specifically, in each of the columns 10, one of the lateral beam members 20 protruding into the hollow portion from each of the side walls, which are opposite to each other, protrudes from one of the side walls. One connecting main body portion 41 of the connecting pin member 40 penetrates each of the connecting horizontal holes 22 positioned on the common one-side axis of each of the positioned horizontal beam members 20 so as to be detachable downward from above. And each of the connecting lateral holes 22 located on the common other axis of each of the transverse beam members 20 arranged and protruding from the other of the side walls is connected to the other connecting member in the connecting pin member 40. The main body 42 is disposed so as to be detachable from the upper part to the lower part. In each of the columns 10, each of the lateral beam members 20 protruding into the hollow portion from each of the side walls that are mutually opposed portions is positioned by the connecting pin member 40.
The support 1 is connected integrally so as to be detachable, and the movement in the axial direction of each support lateral hole 14 of the support 10 is restricted.
Omission from each of the zeros is reliably prevented. In each of the struts 10, each of the connecting lateral holes 22 located on a common unilateral axis of each of the transverse beam members 20 protruding from one of the side walls is adjacent to one of the side walls of the strut 10. Each of the connecting transverse holes 22 located on the common other axis of each of the transverse beam members 20 positioned and protruding from the other of the side walls is connected to the strut 10.
Of the lateral beam member 20 after the connecting body portions 41 and 42 of the connecting pin member 40 have been inserted into each of the corresponding connecting lateral holes 22 by being positioned adjacent to the other of the side walls of the connecting pin member 40. It is possible to minimize backlash in the direction. Each of the connecting pin members 40 includes a base end 43.
Thereby, the downward movement of each of the connecting horizontal holes 22 of the uppermost horizontal beam member 20 is prevented, and the mounting position of each of the horizontal beam members 20 is stably held. Each base end 43 of the connecting pin member 40 constitutes a retaining means for preventing downward movement of each connecting lateral hole 22 of the uppermost transverse beam member 20.
Each of the connecting pin members 40 is inserted into and detached from the corresponding column 10 in the hollow portion (for example, detaching during disassembly).
It can be easily performed from the upper end of the opening of the corresponding column 10.

Between the upper ends of the pillars 10 is a cap member 50.
Is lying down. The cap member 50 is formed of a metal hollow member, a hollow square member (hollow pipe) having a rectangular cross section in the embodiment, and a channel shape is formed on a lower surface thereof at a position matching the upper end of each of the columns 10. The mounting member 52 to be formed is fixed. Mounting member 52
Are composed of a flat bottom portion 53 and a pair of flange portions 54 that stand upright from both ends of the bottom portion 53 in parallel with each other. Each of the flange portions 54 of each of the mounting members 52 is arranged so as to be spaced apart in the longitudinal direction of the coping member 50, and each of the flange portions 54 is formed with a pair of mounting holes 54a. Each of the mounting members 52 is inserted between the upper ends of the corresponding columns 10 so as to be detachable, so that the cap members 50 are moved between the upper ends of the columns 10. In each of the mounting members 52,
Each of the mounting holes 54 a formed in each of the flange portions 54 is aligned with each of the mounting holes 16 of the corresponding column 10,
A bolt 56 is inserted between each of the mutually aligned mounting holes 16 and each of the mounting holes 54a. Each of the mounting members 52 is connected to a corresponding post 1 by a bolt 56 and a nut 57.
It is detachably fixed in the upper end of the "0". In this manner, the cap members 50 are arranged and fixed so as to extend between the upper ends of the columns 10. Since each of the bolt 56 and the nut 57 is positioned below the coping member 50, their presence is hidden by the coping member 50, which is preferable in appearance. By making the width of the capping member 50 relatively wide,
The above effects can be further improved.

As mentioned above, the fence 1 according to the invention
At 00, each of the columns 10 is formed from a hollow member. A plurality of support lateral holes 14 having a common axis are formed at intervals in the vertical direction at portions of each of the columns 10 facing each other. At both ends of the horizontal beam member 20, connecting horizontal holes 22 are formed. Prop 1
In each of the mutually opposing support lateral holes 14, the end of the lateral beam member 20 is removably inserted, and each connecting lateral hole 22 is positioned so as to protrude into the hollow portion. Each of the columns 20 is vertically spaced between the columns 10. The connecting horizontal holes 22 of the horizontal beam members 20 arranged at intervals in the vertical direction are positioned in the hollow portion of the corresponding column 10 on a common axis extending vertically along the column 10. Prop 1
In each hollow portion of the horizontal beam member 0, a connecting pin member 40 is disposed so as to freely penetrate from the upper side to the lower side of each connecting horizontal hole 22 of the horizontal beam member 20 arranged at intervals in the vertical direction. Have been.

As is apparent from the above description, in the fence 100 according to the present invention, the connection between each of the columns 10 and each of the horizontal beam members 20 is such that each end of the horizontal beam members 20 is connected to each of the columns 10. Are inserted into the corresponding supporting lateral holes 14 and the connecting pin members 40 are respectively inserted into the respective hollow portions of the corresponding column 10 in the hollow portions of the supporting columns 10.
Performed by a simple operation of inserting into the 2, no welding and no bolts and nuts are used. As a result, the fence 100 according to the invention makes it possible to assemble it very easily and quickly at the installation site. This also allows for a very easy and quick disassembly at the installation site. In the fence 100, the connection between each base plate 12 of the support 10 and the foundation 30 and the connection between each upper end of the support 10 and the coping member 50 are so-called bolts by using bolts 35, bolts 56, and nuts 57. The ratio of the whole fence 100 to the assembly location is significantly reduced as compared with the conventional case, but the ease and speed of the assembling and disassembling operations of the entire fence 100 are lower than those of the conventional fence. It is significantly improved. Further, the number of parts is reduced, and cost can be reduced. Since the assembling and disassembling operations of the entire fence 100 can be performed easier and faster than before, the burden of labor required for the assembling and disassembling operations is reduced, and roads, parks, rooftops of buildings, multi-story parking lots In addition to a fence in a three-dimensional bicycle parking lot, a fence for a railing, and the like, it can be applied to a fence for road construction or construction work, so that the use as a fence is widened. In addition, because the disassembling operation is facilitated, recycling can be easily performed. Furthermore, no welding is used in the assembly, and in the assembly of the entire fence 100, the number of connection points by the so-called bolt-nut connection is significantly reduced as compared with the conventional art, so that the aesthetic appearance is improved and, therefore, excellent. Design is ensured.

In the fence 100, each of the connecting pin members 40 is configured to have a U-shape as shown in FIGS. 1 and 2, but instead of these, shown in FIG. In some embodiments, the connecting pin member 80 having the configuration described above is used. The connection pin member 80 will be described later. Further, in the fence 100 shown in FIG. 1, each of the struts 10 is a strut located in the middle of the struts 10 constituting the fence 100 not shown in its entirety.
At least one other support (not shown) is provided on both sides. Therefore, the fence 100 includes at least three pillars, and in the middle pillar 10, each of the supporting horizontal holes 14 at a portion facing the pillar 10 located on one side is located between the pillar 10 located on one side. One end of each of the one-side horizontal beam members 20 is detachably inserted so that each connecting horizontal hole 22 is protruded into the hollow portion, and a portion of the one side beam member 20 opposed to the column 10 located on the other side. One end of each of the other side beam members 20 disposed between the support side holes 14 and the column 10 located on the other side is removably inserted, and each connection side hole 22 is formed in the hollow portion. The connecting lateral holes 22 of each of the one-side transverse beam members 20 are positioned on a common one-side axis extending vertically along the pillar 10 in the hollow portion of the intermediate pillar 10. , The other side Each of the connecting lateral holes 22 of the memory member 20 is positioned on a common other axis extending in the vertical direction along the column 10 in the hollow portion of the column 10 located in the middle. It can be said that a U-shaped connecting pin member 40 is disposed in the hollow portion so as to freely pass through the connecting horizontal holes 22 of the one-side and the other-side horizontal beam members 20 from above to below.

FIG. 4 shows another embodiment of a fence constructed in accordance with the present invention. Referring to FIG. 4, a fence, generally designated by the numeral 200, is provided between a plurality of columns 60 spaced apart from each other and columns 60 as in the previous embodiment. And a plurality of transverse beam members 70. In each of the columns 60, the column 60 illustrated on the left side in FIG. 4, that is, each of the side walls that are mutually opposed portions of the intermediate column 60 located in the middle of the fence 200, has a common axis. The supporting lateral hole 14 (see FIG. 2)
A plurality (two in each of the side walls in the embodiment shown in FIG. 4) is formed at intervals in the longitudinal direction of zero. Each of the support lateral holes 14 is formed at an upper end and a lower end of the intermediate support 60. The mounting hole 16 (see FIG. 3) in the embodiment shown in FIGS. 1 to 3 is not formed in the intermediate support 60. Other basic configurations of the intermediate support 60 are shown in FIGS.
It is substantially the same as the strut 10 shown in FIG. 3, and therefore, the description is omitted.

The support 60 shown on the right side in FIG. 4, ie, one side wall of the one-end support 60 that defines one end of the fence 200,
The support lateral hole 14 having a common axis with each of the support lateral holes 14 formed in the intermediate support 60 is formed in one side wall facing
(The supporting lateral holes 14 are not formed in the other side wall). The mounting hole 16 (see FIG. 3) in the embodiment shown in FIGS. 1 to 3 is not formed in the one end support 60. Other basic configurations of the one end support 60 are shown in FIGS.
It is substantially the same as the strut 10 shown in FIG. 3, and therefore, the description is omitted. Between one end support 60 and the intermediate support 60, and between the intermediate support 60 and another intermediate support 60 (not shown),
Two transverse beam members 70 are each arranged as in the embodiment shown in FIGS. A plurality of vertical beam members 72 are arranged between the horizontal beam members 70 arranged at intervals in the vertical direction at intervals in the longitudinal direction (the left-right direction in FIG. 4) of each of the horizontal beam members 70. Has been established. Each of the vertical beam members 72 is mounted and supported by inserting its end into a supporting horizontal hole 71 formed at a portion of each of the horizontal beam members 70 located above and below, facing each other. The basic configuration of each of the horizontal beam members 70 except for the formation of the supporting horizontal hole 71 is substantially the same as that of the horizontal beam member 20 in the previous embodiment, and thus the description is omitted. Each of the transverse beam members 70 protruded into the hollow portion of the intermediate support 60,
The U-shaped connecting pin member 40 having substantially the same configuration as shown in FIGS. 1 to 3 is integrally connected so as to be detachable, and is restricted from moving in the axial direction with respect to the supporting lateral hole 14 of the intermediate support column 60. , Is securely prevented from coming off from the intermediate support 60. Each of the horizontal beam members 70 protruding into the hollow portion of the one-end support 60 is integrally connected detachably by a connection pin member 80 having a hook portion 81 formed by bending at the upper end, and at the same time, is connected to the one-side support 60. The movement in the axial direction with respect to the support lateral hole 14 is restricted, and detachment is reliably prevented. The hook portion 81 of the connecting pin member 80 constitutes a retaining means for preventing the lateral beam member 70 located at the uppermost position from moving downward with respect to the connecting lateral hole 22. The upper end openings of the intermediate support 60 and one end support 60 are connected to the cap member 9.
0 is detachably closed.

The fence 200 includes one end support 60 for defining one end of the fence 200. In the one end support 60, each of the supporting horizontal holes 14 at a portion facing the intermediate support 60 located on one side is provided with the intermediate support 60. One end of each one-side horizontal beam member 70 disposed between the first and second side beam members 70 is removably inserted, and each connection horizontal hole 22 is positioned so as to protrude into the hollow portion. The lateral hole 22 is positioned on a common one-side axis extending vertically along the one-end support 60 in the hollow portion of the one-end support 60, and a connecting pin member 80 is provided in the hollow portion of the one-end support 60 with a one-side horizontal beam member. 70 are provided so as to penetrate the connecting lateral holes 22 so as to be detachable downward from above. In the fence 200, the cap member 90 is used instead of the cap member 50 in the fence 100, so that the cap member 50, the bolt 56, and the nut 5 are used.
7 becomes unnecessary, the number of parts is further reduced, and the cost is further reduced. As a result, the assembly operation is made easier and faster. The fence 200 further has a basic configuration having substantially the same features as the fence 100 described with reference to FIGS. 1 to 3, and thus can achieve substantially the same operation and effects as described above.

As described above, the fence according to the present invention has been described based on the embodiments. However, the present invention is not limited to the illustrated embodiments, and various modifications or changes can be made without departing from the scope of the technical idea of the present invention. Modifications are possible. For example, in each of the above embodiments, each of the columns 10 and 60 is formed of a hollow square member having a rectangular (quadrangle) cross section, but may be formed of a polygonal or hollow round bar member. In short, any cross-sectional shape may be used as long as it is a hollow member. Further, in each of the above embodiments, each of the horizontal beam members 20 and 70 is constituted by a hollow round bar member, but there is also an embodiment constituted by a hollow square member having a polygonal cross section. In short, it may have any cross-sectional shape, but is preferably made of a hollow member for weight reduction. The same can be said for the coping member 50. Further, each of the columns 10 and 60, the coping member 50, the horizontal beam members 20 and 70, and the vertical beam member 72 may be formed of a steel material, an aluminum material, or a combination thereof. Or other suitable material.

[0024]

According to the fence according to the present invention, it is possible to assemble easily and quickly at an installation site. In addition, recycling can be easily performed. Furthermore, it is widely used. Furthermore, it is excellent in design.

[Brief description of the drawings]

FIG. 1 is a schematic side view showing a main part of an embodiment of a fence configured according to the present invention, with a part cut away.

FIG. 2 is a sectional view taken along the line AA of FIG. 1;

FIG. 3 is a schematic perspective view showing a part of the fence shown in FIG. 1 in an exploded manner.

FIG. 4 is a schematic side view showing a main part of another embodiment of a fence configured according to the present invention, with a part thereof cut away.

[Explanation of symbols]

 10, 60 Post 14 Supporting lateral hole 20, 70 Lateral beam member 22 Connecting lateral hole 30 Base plate 40, 80 Connecting pin member 50 Kasagi member 90 Cap member

Claims (4)

[Claims] 1. A fence comprising a plurality of posts spaced apart from each other and a plurality of transverse beam members disposed between each of the posts, wherein each of the posts is formed from a hollow member. A plurality of supporting horizontal holes are formed at positions opposed to each other at intervals in the vertical direction, and connecting horizontal holes are formed at both ends of the horizontal beam member, and each of the columns is opposed to each other. The end of the horizontal beam member is removably inserted into each of the supporting horizontal holes, and each connecting horizontal hole is positioned protruding into the hollow portion, so that each of the horizontal beam members is vertically positioned between the columns. The connecting horizontal holes of the horizontal beam members arranged at intervals in the vertical direction are positioned on a common axis, and the connecting pin members are arranged in the hollow portions of the columns in the vertical direction. Horizontal beads arranged at intervals Fence according to claim respectively connected transverse bore of the member from top to bottom are arranged to detachably through, that. 2. A stopper means is provided at an upper end of each of the connecting pin members so as to prevent downward movement of the connecting beam of the uppermost transverse beam member of each of the transverse beam members. The fence of claim 1, wherein the fence is disposed. 3. One side of a middle pillar, including three pillars, each of which has a support lateral hole at a portion opposed to a pillar located on one side and is disposed between the pillar located on one side. One end of each of the horizontal beam members is removably inserted so that each connecting horizontal hole protrudes into the hollow portion, and each of the supporting horizontal holes at a portion opposed to the support located on the other side has another side. One end of each of the other side beam members disposed between the support member and the post positioned at the other end is removably inserted, and each connection side hole is positioned so as to protrude into the hollow portion. The connecting lateral holes are located on a common one-side axis, and the connecting lateral holes of each of the other lateral beam members are located on a common other-side axis, and have a U-shape in the hollow portion of the intermediate post. The connecting pin member connects one side and the other side beam member. The fence according to claim 1, wherein the fence is disposed so as to be able to detachably penetrate the lateral hole from above to below. 4. Includes a post defining one end of the fence,
In the post defining one end, one end of each of the one-side horizontal beam members disposed between the post located on one side and each of the support lateral holes in the portion opposed to the post located on one side is detachable. Each connecting lateral hole is inserted and positioned protruding into the hollow portion, and each connecting lateral hole of the one-sided lateral beam member is positioned on a common one-side axis, and a connecting pin is provided in the hollow portion of the column defining one end. The fence according to claim 1 or 2, wherein the member is disposed so as to removably penetrate each connecting lateral hole of the one-sided lateral beam member from above to below.