JP2001090395A - Fence structure, and support and fence used therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fence structure, and a support and fence therefor, capable of preventing the deformation of a fence, for example, in snow areas, due to the weight of accumulated snow. SOLUTION: This fence structure body 1A has supports 2 disposed at a needed spacing, fences 3 disposed between the supports 2, and bolts 40 and nuts 41 fixing linkage fittings 20A for the supports 2 and linkage fittings 30A for fences 3 in a condition that they are stacked one on another. The linkage fittings 20A, 30A are formed with mounting holes 203, 303, on which bolts 40 and nuts 41 are mounted. The mounting holes 203, 303 are of slot shape longer in such a direction that the fences 3 are constructed. The linkage fittings 20A, 30A are formed with contacting surfaces 201, 301 which are sloped so that the thickness at the clamped part by the bolts 40 and the nuts 40 becomes thicker when the stacked linkage fittings 20A, 30A move, deviated in a separating direction from each other.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fence structure and a column and a fence used therein, and more particularly, to a fence structure capable of preventing a fence from being deformed by the weight of snow in a snowfall area. Regarding what was done.

[0002]

2. Description of the Related Art Conventionally, various fence structures have been constructed, for example, to prevent animals from invading an expressway, to prevent falling rocks on a road, and to separate a sidewalk from a roadway. As this kind of fence structure, as shown in FIG. 10, a fence 8 is generally stretched on a pillar 7 which is erected at a required interval. Plate-shaped connecting fittings 70 and 80 are widely used for connecting the support 7 and the fence 8.

The connection fittings 70 and 80 are welded to, for example, both right and left sides of the column 7 and the left and right ends of the fence 8 respectively, and are fixed by bolts 90 and nuts 91 while being overlapped with the opposing connection fittings 80 and 70. You. Connection fittings 70, 80
Is a contact surface 70 that abuts on the opposing connection fittings 80, 70.
1, 801 and fixing surfaces 702, 802 to which bolts 90 or nuts 91 are fixed. With respect to the bolt 90 to be attached, the contact surfaces 701 and 801 and the fixing surfaces 702 and 802 are located vertically. The contact surfaces 701 and 801 and the fixed surfaces 702 and 802 are parallel to each other.

Further, mounting holes for mounting the bolts 90 are elongated holes 703 and 803. Thereby, the fixing position of the fence 8 can be adjusted within the range of the lengths of the long holes 703 and 803, and an error in the distance between the columns 7, 7 generated when the columns 7 are erected can be appropriately corrected. It is possible.

[0005]

However, when the above-mentioned conventional fence structure is installed on an inclined surface or a lower end side of the inclined surface in a snowfall area, there are the following problems. That is, the connection fittings 70 and 80 of the conventional fence structure
Since the contact surfaces 701 and 801 and the fixing surfaces 702 and 802 are respectively located perpendicular to the bolt 90 and the contact surfaces 701 and 801 and the fixing surfaces 702 and 802 are parallel to each other, With only the bolt 90 and the nut 91, the strength was weak against the lateral displacement between the connecting fittings 70 and 80.

For this reason, as shown in FIG. 11, when a load is applied to the entire fence 8 in the direction of arrow a due to the snow falling on the inclined side, the connecting metal fittings 80 attached to the right and left ends of the fence 8 are connected to the fence 8. There is a drawback in that the fence 8 is pulled and shifted in the stretching direction (the direction of the arrow b), and the entire fence 8 is deformed in a bow shape.

(Object of the Invention) The object of the present invention is to
For example, it is an object of the present invention to provide a fence structure capable of preventing a fence from being deformed by the weight of snow in a snowfall area, and a pillar and a fence used for the fence structure.

[0008]

Means of the present invention taken to achieve the above object are as follows. According to the first invention, a support provided at a required interval, a fence provided between the supports, a connection of the support and a connection of the fence, or a connection of the fence are connected to each other. A fixture for fixing in a stacked state, wherein the connecting portion is provided with a means for preventing displacement of the connecting portions, It is a fence structure.

According to a second aspect of the present invention, there is provided a support provided at a required interval, a fence provided between the supports, a connection between the support and the fence, or a connection between the fences. And a fastening fixture for fixing in a state of being overlapped with each other, and a fence structure including:
The connecting portion is characterized in that when the overlapping connecting portions are shifted in a direction away from each other, the connecting portion is formed so as to increase the thickness of the fastening portion by the fastening fixture.
It is a fence structure.

According to the third aspect of the present invention, the pillars provided at required intervals, the fence provided between the pillars, the connecting portion of the pillar and the connecting portion of the fence, or the connecting portions of the fences are connected to each other. And a fastening fixture for fixing the fasteners in a state of being overlapped with each other, wherein the connection portion has an attachment hole to which the fastening fixture is attached, and is provided in each of the opposed connection portions. One or both of the mounting holes are elongated fence structures,
An inclined surface is formed in the connecting portion of the strut and the fence, or in the connecting portion of each of the fences, such that when the overlapped connecting portion moves in a direction away from each other, the thickness of the fastening portion by the fastening fixture increases. It is a fence structure characterized by being performed.

According to a fourth aspect of the present invention, there is provided a post for connecting a fence to form a fence structure, wherein the post is fixed by a fastening fixture in a state where the post is overlapped on the connecting portion of the fence. The connecting portion is provided with a mounting hole to which a fastening fixture is attached, and when the overlapping connecting portions move in a direction away from each other, the fastening portion by the fastening fixture is provided. Characterized in that an inclined surface is formed so as to increase the thickness of the support.

According to a fifth aspect of the present invention, there is provided a fence which is connected to a support or another fence to form a fence structure. It has a connecting part fixed by a tool, and the connecting part is provided with a mounting hole to which a fastening fixture is attached, and when the overlapping connecting parts move in a direction away from each other, tightening is performed. Characterized in that an inclined surface is formed such that the thickness of the fastening part by the fixture increases.
The fence.

The term "means for preventing displacement of the connecting portions" provided in the connecting portion in the present invention means, for example, an overlapping portion in addition to the structure of the connecting portions described in the second to fifth inventions. In order to increase the frictional resistance between the connecting parts, there is a structure in which an uneven portion such as a saw tooth is formed on the overlapping side surface of the connecting part so as to have a notch, but is not limited thereto. Not done.

(Operation) A support provided at a required interval, a fence provided between the supports, a connecting portion of the support and a connecting portion of the fence, or a connecting portion of the fence are overlapped with each other. A fixture for fixing in a state,
In the fence structure including, in the connecting portion, the means for preventing the displacement of the connecting portion is provided, for example, in a snowfall area, by the load of snow that has accumulated on the slope side, Even if the connecting portion of the strut and the connecting portion of the fence or the connecting portion of the fence tend to shift, the shift between the connecting portions is prevented by means for preventing the connecting portion provided in the connecting portion from shifting. . Therefore, since the length of the connected fences does not substantially change, it is possible to prevent the entire fence from being bowed.

A support provided at a required interval, a fence provided between the supports, and a connecting portion of the support and a connecting portion of the fence, or a connecting portion of the fence are fixed in a state of being overlapped with each other. A fastening fixture for the fence structure, including, when the overlapping connecting parts are shifted in a direction away from each other, so as to increase the thickness of the fastening portion by the fastening fixture, For example, in the case where an inclined surface or the like is formed in the connection portion, for example, in a snowfall area, if the connection portions try to shift due to the load of snow falling on the slope side, the thickness of the fastening portion by the fastening fixture is increased. However, in practice, the thickness of the fastening portion is fixed by the fastening fixture so as not to be further increased, so that the connecting portions do not shift as a result. Therefore, since the length of the connected fence does not substantially change, it is possible to prevent the entire fence from being bowed.

Also, due to long-term use of the fence structure,
Even if the bolts and nuts, which are mainly used as fastening fixtures, for example, are slightly loosened, displacement of the connecting portions can be prevented by the following operation. In other words, the connecting portion slides slightly to increase the thickness of the fastening portion, so that the head portion and the nut of the bolt are pushed in the expanding direction. As a result, the threads of the bolt and the nut are crimped together, and the nut is firmly fixed to the bolt. Therefore,
The connection is firmly tightened with bolts and nuts,
The displacement of the connecting members is prevented.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the embodiments shown in the drawings. FIG. 1 shows a first embodiment of a fence structure according to the present invention, and is an explanatory view in which the lower side of the fence is stretched in a buried state, and FIG. 2 shows a connection structure between the fence and a support. FIG. 3 is an exploded perspective view, FIG. 3 is an enlarged explanatory view showing a cross section in a state where the fence is connected to the column in FIG. 2, and FIG. 4 is a II sectional view of the fence shown in FIG.

The fence structure 1A is provided, for example, along a highway such as a mountain area to prevent invasion of animals. The fence structure 1A is constructed by connecting a fence 3 between columns 2 erected at required intervals. At a predetermined position of the support 2 and the fence 3, a connection fitting 20 which is a connection portion connecting the support 2 and the fence 3 is provided.
A and 30A are provided. The bolts 40 and nuts 41, which are fastening fixtures, are used to connect the above-described connecting fittings 20.
A, 30A are piled on each other,
Are connected. In addition, the bolt 40 and the connection fitting 20
What is provided between A and the nut 41 and the connection fitting 30A is a washer 42.

The support 2 will be described. The support 2 is formed using a steel pipe having a square cross section. The column 2 is buried in the ground at the lower side, and is fixed around the concrete 5 so as not to move. In addition, although the cross-sectional shape of the support | pillar 2 is generally a square, it can also be formed in other polygons, a circle, etc.

On the left and right sides of the column 2 at a predetermined height,
The above-mentioned connecting fitting 20A is welded. Connection fitting 2
0A is formed in a plate shape, and has a contact surface 201 that contacts the connection fitting 30A of the opposing fence 3 and a fixing surface 202 to which the bolt 40 is fixed. Connection bracket 20A
Is provided with an attachment hole 203 through which the bolt is attached through the contact surface 201 and the fixing surface 202. The mounting hole 203 is a long hole that is long in the direction in which the fence 3 is stretched.

As shown in FIG. 3, the fixing surface 202 of the connection fitting 20A is flush with the front portion 21 of the column 2.
On the other hand, the contact surface 201 of the connection fitting 20A is not parallel to the fixing surface 202, and is an inclined surface such that the thickness in the tightening direction by the bolts 40 and the nuts 41 increases toward the distal end side of the connection fitting 20A. ing.

The fence 3 will be described. Fence 3
Has a rectangular shape as a whole, and is appropriately designed to have a height at which animals cannot jump. Fence 3
Is a required number of fence members 31 arranged side by side substantially in parallel with the vertical direction with the width of the gap through which animals cannot pass.
It has. The fence members 31 are formed of a wire made of iron, and are set to have a thickness such that damage and deformation hardly occur even when animals such as a fox and a raccoon collide, and they cannot climb.

An upper connecting member 32 is provided on an upper side of the fence members 31..., And a lower connecting member 33 is provided on a lower side of the fence members 31. The upper connecting member 32 and the lower connecting member 33 are formed of two iron wires. Upper connecting member 32 and lower connecting member 3
3 are provided in the horizontal direction, respectively, and the fence members 31
... are connected to each other. Fence member 31 ...
A lower projecting portion 34 is provided below the lower connecting member 33, and projects downward by a required length. Two intermediate connecting members 35 are provided at equal intervals in the horizontal direction between the upper connecting member 32 and the lower connecting member 33 connecting the fence members 31. The intermediate connecting member 35 is
Each is composed of two iron wires.

The above-mentioned connecting fittings 30A are welded to both left and right ends of the upper connecting member 32, the lower connecting member 33, and the intermediate connecting member 35. Connection fitting 30A
Are welded in a state of being sandwiched between two wires constituting the upper connecting member 32, the lower connecting member 33, and the intermediate connecting member 35, respectively.

The connection fitting 30A is formed in a plate shape.
A contact surface 30 that abuts on the connecting fitting 20A of the opposing column 2
1 and a fixing surface 302 to which the nut 41 is fixed. The contact surface 301 and the fixed surface 302 are provided on the connection fitting 30A.
Is provided with a mounting hole 303 through which the bolt 40 is mounted. The mounting hole 303 is a long hole that is long in the direction in which the fence 3 is stretched.

As shown in FIG. 4, the fixing surface 302 of the connection fitting 30A is in contact with the two fence members 31.
It is flush with the back side of the upper connecting member 32. On the other hand, the contact surface 301 of the connection fitting 30A is
It is not parallel, but has an inclined surface toward the distal end side of the connection fitting 30A.

As described above, the connection fittings 20A,
Mounting holes 203 and 303 for bolt 40 provided in 30A
Is a long hole, so that the stretched position of the fence 3 can be adjusted within the range of the length of the long hole. Therefore,
An error in the distance between the columns 2 and 2 generated when the column 2 is erected can be appropriately corrected.

It should be noted that only one of the mounting holes 203 and 303 of the connecting fittings 20A and 30A facing each other may be a long hole. In that case, the other mounting hole can be made circular, or it can be made a long hole in the longitudinal direction. This is the same for the connection fittings 20B, 30B, and 30C described in the second and third embodiments described later.

(Operation) With reference to FIG. 3, the operation of the fence structure 1A will be described by taking as an example a case where the fence structure 1A is installed on a slope or a lower end of the slope in a snowfall area. The contact surface 201 of the connection fitting 20A is an inclined surface such that the thickness in the direction of tightening by the bolt 40 and the nut 41 increases toward the distal end side of the connection fitting 20A. The contact surface 301 of the connection fitting 30A is an inclined surface such that the thickness in the direction of tightening by the bolt 40 and the nut 41 increases toward the distal end side of the connection fitting 30A. Fixing surface 2 of connecting fittings 20A, 30A
02 and 302 are formed so as to be parallel to each other. Then, the support 2 and the fence 3 are connected to the connecting fitting 20.
A and 30A are connected by a bolt 40 and a nut 41 in a state where they are overlapped with each other.

With the above configuration, the connecting fitting 20
The bolts 4A and 30A move when the overlapping connecting fittings 20A and 30A are displaced in a direction away from each other.
It is formed so that the thickness of the portion tightened by the nut 0 and the nut 41 increases.

Therefore, when the connecting fittings 20A and 30A are to be displaced from each other by the load of the snow that has fallen on the inclined side, the thickness of the tightened portion by the bolt 40 and the nut 41 tends to increase. Is fixed by the bolts 40 and the nuts 41 so as not to be further thickened. As a result, the connecting fittings 20A and 30A do not shift. Therefore, since the length of the connected fences 3 does not substantially change, it is possible to prevent the entire fence 3 from being deformed in a bow shape.

Even if the bolts 40 and the nuts 41 are slightly loosened due to the long-term use of the fence structure 1A, the connection metal fittings 20 are produced by the following operation.
The displacement between A and 30A is prevented. That is, the connection fitting 2
The heads of the bolts 40 and the nuts 41 are pushed in the expanding direction by slightly sliding the portions 0A and 30A to each other to increase the thickness of the tightened portion. As a result, the threads of the bolt 40 and the nut 41 are crimped together, and the nut 41 is
Firmly fixed to Therefore, the connection fittings 20A, 3
0A is firmly tightened by the bolt 40 and the nut 41, and the displacement of the connecting fittings 20A and 30A is prevented.

FIG. 5 shows a second embodiment of the fence structure according to the present invention.
FIG. 6 is an exploded perspective view showing a connecting structure of a fence and a support, FIG. 6 is an enlarged explanatory view showing a cross section in a state where a fence is connected to a support in FIG. 5, and FIG. It is II-II sectional drawing of the fence shown. In addition, the same or equivalent parts as those in the first embodiment are denoted by the same reference numerals, and the description of the parts shown in the first embodiment is omitted. explain.

The fence structure 1B is composed of the fence structure 1A shown in the first embodiment,
Are slightly different from each other. That is, as shown in FIG.
0B is different from the connection fitting 30A shown in FIG. 4 in that the contact surface 301 is flush with the front side of the upper connection member 32. On the other hand, the fixing surface 302 of the connection fitting 30B is not parallel to the contact surface 301, but is an inclined surface toward the tip end side of the connection fitting 30B.

As shown in FIG. 6, the connecting fitting 20B of the support 2 has a contact surface 201 parallel to the front portion 21 of the support 2 unlike the connecting fitting 20A shown in FIG.
On the other hand, the fixing surface 202 of the connection fitting 20B is
The front surface 21 is not flush with the front portion 21 but has an inclined surface such that the thickness in the direction of tightening by the bolt 40 and the nut 41 increases toward the distal end side of the connection fitting 20B.

Further, the bolts 40 provided on the left and right sides of the column 2 are slightly inclined toward the front portion 21 so that their respective axial directions intersect at the front portion 21 of the column 2. Further, the contact surfaces 201 of the connection fittings 20B, 30B,
The contact direction of 301 and the extending direction of fence 3 are essentially the same.

(Operation) With reference to FIG. 6, the operation of the fence structure 1B will be described by taking as an example a case where the fence structure 1B is installed on a slope or a lower end of the slope in a snowfall area. The fixing surface 202 of the connection fitting 20B is an inclined surface such that the thickness in the tightening direction by the bolt 40 and the nut 41 increases toward the distal end side of the connection fitting 20B. The fixing surface 302 of the connection fitting 30B is an inclined surface such that the thickness in the tightening direction of the bolt 40 and the nut 41 increases toward the front side of the connection fitting 30B. Fixing surface 2 of connecting metal fittings 20B, 30B
02 and 302 are formed so as to be parallel to each other. Then, the support 2 and the fence 3 are connected to the connecting fitting 20.
B and 30B are connected by a bolt 40 and a nut 41 in a state of being overlapped with each other.

With the above configuration, the connecting fitting 20
B and 30B are bolts 4 when the overlapping connecting fittings 20B and 30B are displaced in a direction away from each other.
It is formed so that the thickness of the portion tightened by the nut 0 and the nut 41 increases.

Therefore, when the connecting fittings 20B and 30B are shifted from each other due to the load of snow falling on the inclined side, the thickness of the tightened portion by the bolt 40 and the nut 41 tends to increase. Is fixed by the bolts 40 and the nuts 41 so as not to be further thickened. As a result, the connecting fittings 20B and 30B do not shift. Therefore, since the length of the connected fences 3 does not substantially change, it is possible to prevent the entire fence 3 from being deformed in a bow shape.

Even if the bolts 40 and the nuts 41 are slightly loosened due to the long-term use of the fence structure 1B, the connection metal fittings 20 are produced by the following operation.
The displacement between B and 30B is prevented. That is, the connection fitting 2
The heads of the bolts 40 and the nuts 41 are pushed in the expanding direction by slightly sliding the portions 0B and 30B to each other to increase the thickness of the tightened portion. As a result, the threads of the bolt 40 and the nut 41 are crimped together, and the nut 41 is
Firmly fixed to Therefore, the connection fittings 20B, 3
OB is firmly tightened by the bolt 40 and the nut 41, and the displacement of the connection fittings 20B and 30B is prevented.

Further, the bolts 40 provided on the left and right sides of the column 2 are slightly inclined toward the front portion 21 so that their respective axial directions intersect at the front portion 21 of the column 2. Therefore, if the overlapping connecting fittings 20B and 30B are shifted in the direction in which they are separated from each other, the bolt 4
0 and the nut 41 act to rotate toward the center of the fence 3. Thus, the left end of the nut 41 and the right end of the head of the bolt 40 in FIG.
B and 20B are strongly pressed and sandwiched to effectively prevent the displacement of the connection fitting 30B.

Further, the contact surface 2 of the connection fittings 20B, 30B
The contact direction of 01 and 301 is essentially the same as the direction in which the fence 3 is stretched. Therefore, when fixing the fence 3 to the support | pillar 2, it is easy to slide the fence 3 in the extending direction, and construction is comparatively easy.

FIG. 8 shows a third embodiment of the fence structure according to the present invention.
FIG. 9 is an exploded perspective view showing a connection structure between fences, and FIG. 9 is an enlarged explanatory view showing a cross section in a state where the fences are connected in FIG. Also,
The same or equivalent parts as those in the first embodiment are denoted by the same reference numerals, and the description of the parts shown in the first embodiment is omitted, and different points are mainly described. .

The fence structure 1C is different from the fence structures 1A and 1B shown in the first and second embodiments.
The fences 3 are directly connected via the connection fittings 30A and 30C.

In FIG. 8, a connection fitting 30A provided on the left fence 3 is the same as that shown in the first embodiment. On the other hand, the connecting metal fitting 30C provided on the right fence 3 has a base end on the upper connecting member 3C.
2 are welded in a state of being sandwiched between the wires constituting the wire 2, and the front end side protrudes to the left end side of the fence 3. Connection fitting 30
The fixing surface 302 of C is formed so as to be parallel to the fixing surface 302 of the connection fitting 30A. In contrast,
The contact surface 301 of the connection fitting 30C is an inclined surface such that the thickness in the tightening direction by the bolt 40 and the nut 41 increases toward the distal end side of the connection fitting 30C.

The column 2C is formed by using a steel pipe having a circular cross section, and the fence 2C is fixed by an attaching member 6 described below. That is, the mounting member 6 is a U bolt 6
1 and nuts 62, 62 and two plates 63, 63. And two plates 63,
63 are located in the vicinity of the column 2C and sandwich the fence members 31... A part of the fence members 31...
1, the screw portions 610, 610 of the U bolt 61 are inserted into the through holes 6 of the plates 63, 63.
30 and 630, and nuts 62 and 62 are screwed into the screw portions 610 and 610. Reference numeral 64 indicates a washer. Note that the attachment fitting 6 is not limited to the above-described one, and various forms can be used.

Further, like the fence structure 1B shown in the second embodiment, the connection fittings 30A and 30C are formed so that the bolt 40 and the nut 41 are slightly inclined with respect to the direction in which the fence 3 is stretched. You can also.

(Operation) The operation of the fence structure 1C will be described with reference to the drawings. The description of the same functions as those of the first embodiment will be omitted. The fence 3 of the fence structure 1C can be fixed to the support 2C at any position in the direction in which the fence 3 is stretched by the attaching member 6. That is, unlike the fence structures 1A and 1B shown in the first and second embodiments, both ends of the fence 3 are not fixed to the columns 2C. Therefore, the column 2C can be erected at a position that is not equidistant according to the situation of the construction location. Further, it is not always necessary to use the fence 3 corresponding to the width between the columns 2C.

The terms and expressions used in the present specification are merely illustrative and not restrictive, and do not exclude terms and expressions equivalent to the above-mentioned terms and expressions. Further, the present invention is not limited to the illustrated embodiment, and various modifications are possible within the scope of the technical idea.

[0050]

The present invention has the above configuration and has the following effects. (A) The supports provided at required intervals, the fences provided between the supports, and the connecting portions of the supports and the fences, or the connecting portions of the fences, or the connecting portions of the fences, are fixed in an overlapping state. Fence structure including a fixing device for preventing the displacement of the connecting portions from each other in the connecting portion. Even if the connecting portion of the pillar and the connecting portion of the fence or the connecting portion of the fence tend to shift due to the snow load, the connecting portions provided on the connecting portion prevent the connecting portions from shifting. Deviation is prevented. Therefore, since the length of the connected fences does not substantially change, it is possible to prevent the entire fence from being bowed.

(B) A state in which the supports provided at required intervals, the fences provided between the supports, the connecting portions of the supports and the connecting portions of the fences, or the connecting portions of the fences are overlapped with each other. A fastening fixture for fixing with
A fence structure that includes, when the overlapping connecting parts are shifted in a direction away from each other, so that the thickness of the fastening part by the fastening fixture increases, for example, an inclined surface, etc. In the case where, for example, in a snowfall area, when the connecting portions try to shift due to the load of snow that has fallen on the slope side, the thickness of the fastening portion by the fastening fixture tends to increase, but actually, Is fixed by the fastening fixture so that the thickness of the fastening portion does not increase any more, so that the connecting portions do not shift as a result. Therefore, since the length of the connected fence does not substantially change, it is possible to prevent the entire fence from being bowed.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a first embodiment of a fence structure according to the present invention, in which a lower side of a fence is stretched in a buried state.

FIG. 2 is an exploded perspective view showing a connection structure between a fence and a support.

FIG. 3 is an enlarged explanatory view showing a cross section in a state where a fence is connected to a support in FIG. 2;

FIG. 4 is a sectional view of the fence shown in FIG. 2 taken along the line II.

FIG. 5 is an exploded perspective view showing a second embodiment of the fence structure according to the present invention, showing a connection structure between a fence and a support.

FIG. 6 is an enlarged explanatory view showing a cross section in a state where a fence is connected to a support in FIG. 5;

7 is a sectional view of the fence shown in FIG. 5, taken along the line II-II.

FIG. 8 is an exploded perspective view showing a third embodiment of the fence structure according to the present invention, showing a connection structure between the fences.

FIG. 9 is an enlarged explanatory view showing a cross section in a state where the fences are connected to each other in FIG.

FIG. 10 is an exploded perspective view showing a connection structure between a fence and a support that constitute a conventional fence structure.

11 is an enlarged explanatory view showing a cross section in a state where a fence is connected to a support in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1A, 1B, 1C Fence structure 2, 2C Post 20A, 20B Connection fitting 201 Contact surface 202 Fixed surface 203 Mounting hole 21 Front part 3 Fence 30A, 30B, 30C Connection fitting 301 Contact surface 302 Fixed surface 303 Mounting hole 31 Fence member 32 Upper connecting member 33 Lower connecting member 34 Lower protruding part 35 Intermediate connecting member 40 Bolt 41 Nut 42 Washer 5 Concrete 6 Mounting member 61 U bolt 610 Screw part 62 Nut 63 Plate 630 Through hole 64 Washer

Claims (5)

[Claims] 1. A support (2) provided at a required interval, a fence (3) provided between the supports (2), and a connection between a connection portion of the support (2) and the fence (3). And a fixing device for fixing the connecting portions of the fences (3) in an overlapping state with each other, wherein the connecting portion prevents the connecting portions from shifting. A fence structure, characterized in that means are provided for performing the fencing. 2. A support (2) provided at a required interval; a fence (3) provided between the support (2); and a connection between a connection portion of the support (2) and the fence (3). Part, or a fastening fixture for fixing the connecting parts of the fence (3) in a state of being overlapped with each other, the fence structure comprising: A fence structure, characterized in that the fence structure is formed such that when it is displaced in a direction away from each other, a thickness of a fastening portion by a fastening fixture increases. 3. A strut (2) provided at a required interval, a fence (3) provided between the struts (2), and a connection portion between the strut (2) and the fence (3). Or a fastening fixture for fixing the connecting portions of the fences (3) in a state of being overlapped with each other, wherein the connecting portion has a mounting hole (2) to which the fastening fixture is attached.
03,303) is provided, and one or both of the mounting holes (203, 303) provided in each of the opposing connecting portions are elongated fence structures, and the struts (2) and The connecting portion of the fence (3) or the connecting portion of each of the above fences has an inclined surface that increases the thickness of the tightening portion by the tightening fixture when the overlapping connecting portion moves in a direction away from each other. A fence structure, which is characterized in that: 4. Fence structure by connecting fences (3)
(1A) a strut (2), which has a connecting portion fixed by a fastening fixture in a state of being overlapped on the connecting portion of the fence (3), and the connecting portion has Are the mounting holes (20
3) is provided, wherein a slanted surface is formed such that the thickness of the tightening portion by the tightening fixture increases when the overlapping connecting portions move in a direction away from each other. 5. A fence (3) connected to a support (2) or another fence (3) to form a fence structure (1A, 1C), wherein the support (2) or another fence (3) is provided. ) Has a connecting portion that is fixed by a fastening fixture in a state of being overlapped with the connecting portion, and the connecting portion has a mounting hole (30) to which the fastening fixture is attached.
3) The fence, wherein an inclined surface is formed such that the thickness of the tightened portion by the tightening fixture increases when the overlapping connecting portions move in a direction away from each other.