JP2020200641A - Blindfold fence - Google Patents

Abstract

To provide a blindfold fence that is made compact (reduced) in depth-directional installation width although a panel is used which is superior in daylighting property, beauty and rigidity (cross-sectional stiffness), and also has a cross section in an uneven shape.SOLUTION: The present invention relates to a blindfold fence that comprises a plurality of struts 1, a furring strip 2 laid on the struts 1, and a panel 3 attached to the furring strip 2, and the panel 3 has a cross section in a substantially hat shape formed of the flange 31, a pair of web parts 32 bent and extending backward from both end parts of the flange 31, and a pair of rear flange parts 33 bent and extending backward from rear end parts of the web parts 32. and is fitted to a top side of the furring strip 2 with rear flange parts 33 of adjacent panels 3 one over the other. The struts 1 are provided in a closed space formed of the front panel 3 and the furring strip 2 when viewed from a plane direction, and joined to the top side of the furring strip 2.SELECTED DRAWING: Figure 1

Description

The present invention relates to a blind fence that is mainly constructed of columns, furring strips and panels, belongs to the technical field of fences installed at building boundaries, roadsides, etc., and further emphasizes privacy protection.

Conventionally, a fence having a structure in which a panel is attached to a furring strip erected on a support column is known (see, for example, Patent Documents 1 and 2).
Various materials and forms of the panel are already known, but as an example, Patent Document 1 discloses a crank-type panel (unit plate) made of aluminum, reinforced plastic, steel, or the like. ing. Patent Document 2 discloses a blindfold plate (5, 50) using a translucent synthetic resin plate molded from a synthetic resin (see FIGS. 5 and 14).

In recent years, in addition to being excellent in daylighting and aesthetics, from the viewpoint of improving rigidity against wind load (cross-sectional rigidity), for example, as shown in FIGS. 4 and 11 of Patent Document 3, an elongated groove shape ( Demand for panels (closed bodies 8, 8a) having an uneven cross-sectional shape is increasing.
The panel (closed body 8) according to FIG. 4 has a pair of left and right side plate portions 21 having a rectangular plate shape that are separated from each other via a predetermined distance, and the front ends of the pair of left and right side plate portions 21 are rectangular plates. It is configured to be integrally connected by the front plate portion 22 (see paragraph [0025] of Patent Document 3). The panel (closed body 8a) according to FIG. 11 has a structure in which a rib-shaped projecting plate portion 38 is attached to the above structure (see the same paragraph [0042]).

As shown in FIGS. 4 and 5 of Patent Document 3, the panel (closed body 8) is attached by using the bolt portion 23 attached to the back side of the front plate portion 22 of the panel by crimp welding or the like. It is attached to the furring strip 5 which is crossed over the columns 4. The panels according to FIG. 11 are attached side by side so as to be wrapped by the protruding plate portion 38.

Jikken Sho 52-053174 Japanese Unexamined Patent Publication No. 2001-279957 Japanese Unexamined Patent Publication No. 2003-064908

In the blind fence according to Patent Document 3, since it is necessary to securely attach the bolt portion to a predetermined position on the back side of the panel (closed body 8) by crimp welding or the like, precise work is required, which is complicated and costly. Above all, as shown in Fig. 5, the installation width in the depth direction, which affects the installation area of the fence, is the same as the width of the columns 4, furring strip 5, and panel (closed body 8). It has a large size, is bulky, and may give a feeling of weight, oppression, or crampedness to residents and passersby, which is an issue to be improved.

The present invention has been devised in view of the above-mentioned problems of the background technology, and an object of the present invention is to have an uneven cross-sectional shape having excellent daylighting, aesthetics, and rigidity (cross-sectional rigidity). Despite the use of panels, it is an object of the present invention to provide a blind fence that alleviates the above-mentioned problems by realizing a compact (reduction) installation width in the depth direction of the fence.

As a means for solving the above-mentioned problems, the blindfold fence according to the invention according to claim 1 includes a plurality of columns, a furring strip erected on the columns, and a panel attached to the furring strip. It ’s a blindfold fence,
The panel has a front flange portion, a pair of web portions that bend rearward from both ends of the front flange, and a pair that bends outward from the rear end portion of the web portion. It is formed in a substantially hat shape with the rear flange portion, and the rear flange portions of adjacent panels are overlapped with each other and attached to the front side of the furring strip.
The support column is provided in a closed space formed by the panel and the furring strip when viewed from a plane direction, and is joined to the front side of the furring strip.

The invention according to claim 2 is characterized in that, in the blindfold fence according to claim 1, the panel is formed in an uneven shape in which the substantially hat-shaped cross section is continuous.

The invention according to claim 3 is the blind fence according to claim 1 or 2, wherein the panel is made of a translucent polycarbonate resin.

The invention according to claim 4 is the blindfold fence according to any one of claims 1 to 3, wherein the panel has a thickness of 2.0 mm, a width of the front flange portion of 220 mm, and a pair of panels. The web portions are each 75 mm long, and the pair of rear flange portions are each 28 mm wide.

According to the fifth aspect of the present invention, in the blindfold fence according to any one of claims 1 to 4, the height dimension of the web portion of the panel is more than 2.5 times the width dimension of the rear flange portion. It is characterized by being set high.

According to the blindfold fence according to the present invention, the following effects are obtained.
(1) In addition to the structure in which both the support and the panel are attached to the front side of the furring strip, the structure is such that the support can be accommodated in the panel, so that the depth direction affects the installation area of the fence. The installation width is the sum of the width dimension of the furring strip and the width dimension of the panel, and it is not necessary to add the width dimension of the column.
Therefore, as compared with the conventional fence technology (for example, Patent Document 3 above), the installation width in the depth direction of the fence can be made more compact (reduced).
Therefore, it is possible to significantly alleviate the problems of the conventional fence technology that gives a feeling of weight, oppression, or crampedness to residents and passersby.
(2) Further, in the blind fence according to the present invention, since the panel is made of a translucent polycarbonate resin having excellent translucency, it is also excellent in aesthetics.
(3) Further, a plurality of panels formed by arranging a plurality of panels side by side to have a required size and having a continuous cross section in an uneven shape are formed at a panel joint (for pedestrians and the like) due to the uneven effect of the entire panel. For example, the head of the bolt) is not substantially visible, and the convex surface (front flange portion) of each panel is visually recognized as if they are continuously connected. Therefore, in addition to being extremely aesthetically pleasing, it is also excellent in gaze inducibility.

A is a front view showing a blind fence according to the present invention, B is a plan view of the same, and C is a right side view of the same. It is a perspective view which partially showed the blindfold fence which concerns on this invention. It is an exploded perspective view of FIG. It is a rear perspective view of FIG. It is a rear view of FIG. 1A. It is a top view which showed the main part of the blindfold fence which concerns on this invention. A is a cross-sectional view taken along the line AA of FIG. 6, B is a cross-sectional view taken along the line BB, C is a cross-sectional view taken along the line CC, and D is. It is a front view which shows the main part seen from the D direction, and E is a front view which shows the main part seen from E direction. A is a front view showing one panel used for the blindfold fence according to the present invention, and B is a plan view of the same.

Next, an embodiment of the blindfold fence according to the present invention will be described with reference to the drawings.

As shown in FIGS. 1 and 2, the blindfold fence according to the present invention includes a plurality of columns 1, a furring strip 2 erected on the columns 1, and a panel 3 attached to the furring strip 2. ..
The panel 3 has a front flange portion 31 and a pair of web portions 32 that bend rearwardly and extend from both ends of the front flange 31, so that FIGS. 6 and 8 can be easily understood. A pair of rear flange portions 33 extending outwardly from the rear end portion of the web portion 32 are formed in a substantially hat shape, and the rear flange portions 33 of the adjacent panels 3 are overlapped with each other to form the furring strip 2. It is attached to the front side (front flange portion 31 side) F of the above.
The support column 1 is provided in a closed space formed by the panel 3 and the furring strip 2 when viewed from a plane direction, and is joined to the front side F of the furring strip 2.

As an example, a hollow square steel pipe (100 × 50 × 3.2 mm) having a height dimension of 2250 mm is used for the support column 1, and a lid material 4 is attached to the top, for example, at intervals of 2000 mm in the extension direction of the sidewalk. A plurality of pipes (two in the drawing for convenience of illustration) are erected.
Of course, the material, form (shape, size), installation site, number of installations, and installation interval of the support column 1 are not limited to the above, and the design can be appropriately changed according to the structural design.
Further, as an example, the support column 1 is erected by embedding the lower end portion (height dimension 250 mm) in a block of concrete foundation 10 (length and width 500 × 500 mm, height 700 mm, weight 375 kg). It can also be erected by embedding it in a block wall or the like.
Further, in the support column 1, through holes 11 (see FIG. 3) for attaching the furring strip 2 in two upper and lower stages are formed in the depth direction of the blind fence. The through holes 11 provided in one column are provided at two locations above and below the portion to which the furring strip 2 is attached, for a total of four locations (see FIG. 5).
After the required number of columns 1 having the above configuration are erected, the furring strip 2 is erected on the back side R of the erected columns 1 and the panel 3 is attached to the furring strip 2.

As an example, a hollow square steel pipe (60 × 30 × 2.3 mm) having a length of 1998 mm is used for the furring strip 2, and the furring strip 2 is erected by appropriately adding it in a direction orthogonal to the support column 1.
There are various methods for erection of the furring strip 2 on the support column 1, but in this embodiment, as an example, a holding metal fitting 7 having a U-shaped cross section and an upward and downward mounting allowance 71 (FIGS. 3 and 4). (See FIGS. 7A and 7A, D, etc.), hold the furring strip 2, align the cores of the through hole 72 provided in the mounting allowance 71 with the through hole 11 provided in the support column 1, pass the bolt 8 through the nut (see FIG. 7A, D, etc.). The furring strip 2 is erected on the back side R of the support column 1 by fastening with a bag nut) 9. Further, in this embodiment, the furring strips 2 that are butted against each other with the joint plate 5 (see FIGS. 7C, E, etc.) interposed therebetween are added by the bolt 6 joining means.
Of course, the material, form (shape, size), and replenishing means of the furring strip 2 are not limited to the above, and the design can be appropriately changed according to the structural design.
Further, in the furring strip 2, through holes 21 (see FIG. 3) for attaching the panel 3 are formed at predetermined intervals in the depth direction of the blindfold fence.

In this embodiment, the panel 3 has a height dimension of 1960 mm and a cross-sectional shape of a front flange portion 31 and a pair of web portions 32 extending rearward from both ends of the front flange 31 at a substantially right angle. And a pair of rear flange portions 33 that are bent outward at a substantially right angle from the rear end portion of the web portion 32 to form a substantially hat-shaped uniform cross section.
Specifically, as an example, the panel 3 is made of a translucent polycarbonate resin having excellent translucency, has a plate thickness of about 2.0 mm, a width of the front flange portion 31 of about 220 mm, and a pair of web portions 32. The length of each is about 75 mm, and the width of the pair of rear flange portions 33 is about 28 mm, respectively. That is, as shown in FIG. 6 and the like, the structural design is such that the support column 1 can be housed in the panel 3 when viewed from the plane direction.
Further, each of the left and right rear flange portions 33 has a plurality of mounting holes 34 for mounting on the furring strip 2 at predetermined intervals (830 mm pitch in this embodiment) in the vertical direction (three in this embodiment). ) It has been drilled. By the way, in this embodiment, of the three mounting holes 34, the two mounting holes 34 at the upper end and the lower end are used to attach to the upper and lower furring strips 2, and the other intermediate mounting holes 34 are used. Then, the adjacent panels 3 and 3 are joined to each other.

Next, the configuration of the blind fence constructed by using the support column 1, the furring strip 2, and the panel 3 having the above configuration will be described.

In the blindfold fence according to the present embodiment, the pillars 1 are erected according to the installation interval (about 2000 mm in this embodiment) of the pillars 1 derived from the installation area to be installed on the boundary of the building, the side of the road, etc. A concrete foundation 10 is installed for each part.
As shown in FIG. 1 and the like, the concrete foundation 10 adopts a block of concrete (block) foundation 10 and is installed in a stable state in a hole formed by excavating a roadbed or a roadbed with a backhoe or the like. To do. Then, the lower end of the column 1 is built in the existing through hole of the concrete (block) foundation 10, and a solidifying material such as mortar is poured into the gap formed between the column 1 and the through hole as needed. 1 is erected. When erected on the ground or a block wall instead of the concrete foundation 10, the support column 1 is erected by the existing technique as appropriate.
The support column 1 according to the present embodiment is erected in a state where 250 mm of the lower end portion of the height of the 2250 mm is built in the existing through hole of the concrete (block) foundation 10 and protrudes 2000 mm above the ground. ..

As shown in FIGS. 3, 5, 5, 6 and the like, the furring strip 2 is brought into contact with the upper and lower side surfaces of the back side R of the support column 1 and joined with bolts 8 and nuts 9 so as to be substantially horizontal. Erect.
Specifically, the furring strip 2 is between the two upper and lower through holes 11 with the upper and lower through holes 11 formed in the upper part (or lower part) of the side surface of the back side R of the erected support 1 as a mark. The side surface of the furring strip 2 is brought into contact with the furring strip 2, and the furring strip 2 is held by the U-shaped portion of the holding metal fitting 7 while maintaining the horizontal posture. Then, the cores of the through holes 11 and the through holes 72 provided in the upper and lower mounting allowances 71 of the holding metal fittings 7 are matched, and the bolts 8 are passed through the through holes 11 and 72 having the same cores to form a nut (bag nut). Conclude at 9. This work is performed at a total of four locations where the upper and lower through holes 11 are drilled in the two left and right columns 1, so that the two (pair) furring strips 2 are placed on the upper and lower parts of the back side R of the two columns 1. It is erected almost horizontally.
When the blindfold fence is constructed so as to be continuous on the left and right sides of FIG. 1A, the furring strips 2 are appropriately added to each other to the required length while maintaining the continuity by interposing the joint plate 5 with the addition of the support column 1. Extend.

As shown in FIGS. 1 and 6, the panel 3 forms a panel of a predetermined size by partially wrapping a plurality of bodies in the left-right direction and arranging them side by side, and the back side R of the support column 1. It is attached to the front side F of a pair of furring strips 2 erected substantially horizontally above and below. That is, both the support column 1 and the panel 3 are mounted on the front side F of the furring strip 2.
Specifically, in this embodiment, the rear flange portions 33 of the adjacent panels 3, more specifically, the mounting holes 34 are overlapped (wrapped), and the upper end portion and the lower end portion of the overlapped portion (wrapped portion) are overlapped (wrapped). By abutting the front side F of the pair of furring strips 2, aligning the cores of the corresponding mounting holes 34 with the through holes 21 of the furring strip 2, and fastening the bolts 12 with through nuts (bag nuts) 13. The panel 3 is attached to the front side F of the furring strip 2 (see also FIGS. 6 and 7B). This work is performed according to the number of panels 3, so that a plurality of panels 3 (8 in the illustrated example for a 2 m pitch of the column 1) are partially wrapped and placed on the front side R of the furring strip 2. Install. Even if the support column 1 is present at the part where the panel 3 is attached, the structural design is such that the support column 1 can be stored in the panel 3 when viewed from the plane direction, so that the support column 1 is as smooth as other attachment parts. Can perform various mounting work.
When the blindfold fence is constructed so as to be continuous on the left and right sides of FIG. 1A, the required number of panels 3 are continuously attached by the method described above with the addition of the support columns 1 and the furring strip 2.

Thus, in the blindfold fence according to the present embodiment, the rear flange portions 33 (mounting holes 34) are placed on the front side F of the pair of furring strips 2 erected substantially horizontally above and below the back side R of the support column 1 rising from the concrete foundation 10. It is constructed by attaching and arranging a plurality of panels 3 on which the above-mentioned materials are overlapped by means of bolt 12 joining means.
That is, the blindfold fence according to the present invention has a structure in which both the support column 1 and the panel 3 are attached to the front side F of the furring strip 2, and the support column 1 can be accommodated in the panel 3. Since it is carried out, the installation width in the depth direction, which affects the installation area of the fence, is the sum of the width dimension of the furring strip 2 (30 mm in this embodiment) and the width dimension of the panel 3 (75 mm), and the support column. It is not necessary to add the width dimension of 1 (50 mm).
Therefore, as compared with the conventional fence technology (for example, Patent Document 3 above), the installation width in the depth direction of the fence can be made more compact (reduced). According to the calculation based on the above numerical values, a compactification of about 68% can be realized.
Therefore, it is possible to significantly alleviate the problems of the conventional fence technology that gives a feeling of weight, oppression, or crampedness to residents and passersby.

Further, in the blind fence according to the present invention, since the panel 3 is made of a translucent polycarbonate resin having excellent translucency, it is also excellent in aesthetics.
Further, the plurality of panels 3 formed by arranging the plurality of panels 3 in parallel to the required size and having a continuous cross section in an uneven shape are provided with a panel joint portion (for pedestrians and the like) due to the uneven effect of the entire panel 3. For example, the head of the bolt 12) is not substantially visible, and the convex surfaces (front flange portion 31) of each panel 3 are visually recognized as if they are continuously connected. Therefore, in addition to being extremely aesthetically pleasing, it is also excellent in gaze inducibility.
The above-mentioned dimensions (see the second paragraph of the paragraph [0019]) relating to the form (size, shape) of the panel 3 have been empirically determined by the applicant from the viewpoint of aesthetics and gaze-inducibility due to the unevenness effect. , Based on experimentally known figures. It is also preferable that the height dimension of the web portion 32 of the panel 3 is set higher than 2.5 times the width dimension of the rear flange portion 33, which is also based on the numerical value obtained experimentally from the above experience. ..

Although the examples have been described above based on the drawings, the present invention is not limited to the illustrated examples, and includes a range of design changes and application variations normally performed by those skilled in the art within a range that does not deviate from the technical idea thereof. I will mention it just in case.
For example, the panel 3 according to the illustrated example is a so-called one-mountain type panel 3 having a substantially hat-shaped cross-sectional shape, but the present invention is not limited to this, and the above-mentioned substantially hat is used in order to improve work efficiency. It can also be carried out with a wide panel formed in a concavo-convex shape having two or three or more ridges in a continuous cross section.

1 Strut 11 Through hole 2 Furnace edge 21 Through hole 3 Panel 31 Front flange part 32 Web part 33 Rear flange part 34 Mounting hole 4 Lid 5 Joint plate 6 Bolt 7 Holding bracket 71 Mounting allowance 72 Through hole 8 Bolt 9 Nut (bag) nut)
10 Concrete foundation 12 Bolt 13 Nut (bag nut)
F front side R back side

Claims (5)

A blindfold fence provided with a plurality of columns, a furring strip erected on the strut, and a panel attached to the furring strip.
The panel has a front flange portion, a pair of web portions that bend rearward from both ends of the front flange, and a pair that bends outward from the rear end portion of the web portion. It is formed in a substantially hat shape with the rear flange portion, and the rear flange portions of adjacent panels are overlapped with each other and attached to the front side of the furring strip.
A blind fence, wherein the support column is provided in a closed space formed by the panel and the furring strip when viewed from a plane direction, and is joined to the front side of the furring strip. The blind fence according to claim 1, wherein the panel is formed in a concavo-convex shape in which the substantially hat-shaped cross section is continuous. The blind fence according to claim 1 or 2, wherein the panel is made of a translucent polycarbonate resin. The dimensions of the panel are characterized in that the plate thickness is 2.0 mm, the width dimension of the front flange portion is 220 mm, the length of the pair of web portions is 75 mm, and the width dimension of the pair of rear flange portions is 28 mm. The blindfold fence according to any one of claims 1 to 3. The blindfold fence according to any one of claims 1 to 4, wherein the height dimension of the web portion of the panel is set higher than 2.5 times the width dimension of the rear flange portion. ..

Images