JP7154927B2 - fence - Google Patents

Description

The present invention relates to fences.

Conventionally, there has been a fence formed by arranging fences formed of aluminum profiles on the left and right (see, for example, Non-Patent Document 1). there were.

Sankyo Tateyama Co., Ltd. Catalog issued by Sankyo Aluminum Co., Ltd. "Exterior General Catalog" (Catalog No. STX1175A KY.18.02-3000), February 2018, p. 664

SUMMARY OF THE INVENTION It is an object of the present invention to provide a fence in which a gap does not occur between left and right fences even when heat shrinkage occurs.

In order to achieve the above object, the fence according to the invention of claim 1 comprises a right fence, a left fence, an upper rail connector, a lower rail connector, and a gap cover, and the upper rail connector is located above the right fence. The crosspiece and the upper crosspiece of the left fence are connected, the lower crosspiece connector connects the lower crosspiece of the right fence and the lower crosspiece of the left fence, and the gap cover connects the upper crosspiece connector and the lower crosspiece. It is attached between the left and right fence end vertical bars and closes the gap between the left and right fence end vertical bars, and the gap hiding part that hides the gap between the left and right fences is the front side of the left and right fences. It is characterized by being provided on the rear side.

In the fence according to the first aspect of the invention, the upper rails of the right fence and the left fence are connected by the upper rail connector, and the lower rails are connected by the lower rail connector. A gap cover is provided between the end vertical bars of the left and right fences, the gap cover closes the gap between the end vertical bars of the left and right fences, and the gap cover hides the gap between the left and right fences. Since the parts are provided on the front side and the rear side of the left and right fences, even if the left and right fences are thermally shrunk, no gap is generated between the left and right fences.

FIG. 4 is a cross-sectional view taken along the line AA of FIG. 3; 4 is a cross-sectional view taken along the line BB of FIG. 3; FIG. BRIEF DESCRIPTION OF THE DRAWINGS It is a front view which shows 1st Embodiment of the multistage fence of this invention. FIG. 11 is a cross-sectional view showing another embodiment of the connecting portion of the left and right fences; It is a perspective view which isolate|separates and shows the edge member of a fence. FIG. 4 is a perspective view showing an upper rail connector that connects upper rails and a lower rail connector that connects lower rails of left and right fences; It is a front view which shows 2nd Embodiment of the multistage fence of this invention. FIG. 8 is a cross-sectional view taken along line DD of FIG. 7; It is a front view which shows the construction procedure of a multistage fence. FIG. 9B is a front view showing the construction procedure of the multi-level fence (continuation of FIG. 9-1); It is a longitudinal cross-sectional view which shows the construction procedure of a multistage fence. It is a perspective view which shows embodiment which connected multistage fences with the corner part. It is a top view which expands and shows a corner part. It is a perspective view which shows an enlarged corner part, (a) shows the state before attaching a cap to a vertical member and a connection member, (b) shows the state after attaching a cap. FIG. 10 is a plan view showing another embodiment of the corner portion (outer corner fitting); FIG. 11 is a plan view showing another embodiment of the corner portion (internal corner fitting); It is a front view which shows the construction procedure of the corner part of a multi-level fence. FIG. 16B is a front view showing the procedure for constructing the corner portion of the multi-tiered fence (continuation of FIG. 16-1).

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 to 3 show a first embodiment of a multi-level fence according to the invention. This multi-level fence is installed at the boundary between the road and the site, and as shown in FIG. , 3 with an upper fence 1 and a lower fence 2. The upper fence 1 is constructed by connecting a right fence 1a and a left fence 1b. The lower fence 2 is also constructed by connecting a right fence 2a and a left fence 2b.

The left and right fences 1a and 1b of the upper fence 1, as shown in FIGS. 7 are attached to each of the vertical beams 6, 6 and the middle vertical beams 7, 7, and are locked to the locking portions 8 formed on the side of the road, and a plurality of gratings 9, 9, . . . are attached at a predetermined pitch.
Similarly to the upper fence 1, the left and right fences 2a and 2b of the lower fence 2 have vertical beams 6 and 6 between the left and right ends of the upper beam 4b and the lower beam 5b, and middle vertical beams 7 and 7 between the intermediate parts. A plurality of grids 9, 9, . . . It is installed with a pitch.

As shown in FIG. 1, a groove 10 is formed on the lower surface of the lower rail 5a of the upper fence 1, and a projection 11 is formed on the upper surface of the upper rail 4b of the lower fence 2. The projection 11 is formed as described above. It is caught in the groove 10 by engaging with the end of the groove 10 on the site side. A lower end 34 of the site-side wall of the lower rail 5a of the upper fence 1 rests on the upper surface of the upper rail 4b of the lower fence 2. - 特許庁
The lower beam 5a of the upper fence 1 and the upper beam 4b of the lower fence 2 are perpendicular to the visible surface on the road side and have the same width, and a diagonal 45 from the upper end of the surface 12a to the site side. It has a design surface 12 with a common feature consisting of an inclined surface 12b extending upward at 10°. The lattice 9 of the upper fence 1 and the lattice 9 and the lower beam 5b of the lower fence 2 are vertical and have the same width as the lower beam 5a of the upper fence 1 and the upper beam 4b of the lower fence 2. and an inclined surface 12b extending upward at an angle of 45° toward the site from the upper end of the viewing surface 12a. The facing surfaces 12a of the upper beams 4a and 4b of the upper fence 1 and the lower fence 2, the lattice 9 and the lower beams 5a and 5b are flush with each other, and the gaps s between the facing surfaces 12a are of the same size. there is As a result, the multi-tiered fence has the same design surface 12 as the lower rail 5a of the upper fence 1 and the upper rail 4b of the lower fence 2 on the visible surface from the upper rail 4a of the upper fence 1 to the lower rail 5b of the lower fence 2. The design surface 12 of is provided so as to be repeated. As a result, as shown in FIG. 3, the multi-stage fence has an inconspicuous boundary between the upper fence 1 and the lower fence 2, and has a unified design as a whole.

Figures 7 and 8 show a second embodiment of the multistage fence according to the invention. As shown in FIG. 8, this multistage fence has a groove 10 formed on the lower surface of the lower beam 5a of the upper fence 1, and a projection 11 formed on the upper surface of the upper beam 4b of the lower fence 2. The projection 11 is engaged with the end of the groove 10 on the site side and is swallowed into the groove 10 . A lower end 34 of the site-side wall of the lower rail 5a of the upper fence 1 rests on the upper surface of the upper rail 4b of the lower fence 2. - 特許庁
In addition, as shown in FIG. 8, the multi-tiered fence has a lower crosspiece 5a of the upper fence 1 and an upper crosspiece 4b of the lower fence 2, which has a visible surface on the side of the road and a viewing surface 12c recessed in the center in the vertical direction. a stepped portion 12d that extends stepwise from the upper end of the viewing surface 12c toward the site, a viewing surface 12e that is recessed in the vertical center, and a step that extends stepwise from the upper end of the viewing surface 12e toward the site. It has a design surface 12 having a common feature consisting of a portion 12f. The lattice 9 of the upper fence 1 and the lower fence 2 has a recessed surface in the vertical direction, similar to the lower crosspiece 5a of the upper fence 1 and the upper crosspiece 4b of the lower fence 2, on the road side visibility surface. 12c, a stepped portion 12d extending stepwise from the upper end of the viewing surface 12c toward the site, a viewing surface 12e recessed in the vertical center, and a stepped portion extending from the upper end of the viewing surface 12e toward the site. It has a design surface 12 having a common feature consisting of a stepped portion 12f. Furthermore, the road side visibility surface of the upper rail 4a of the upper fence 1 has a viewing surface 12c recessed in the center in the vertical direction, and the road side visibility surface of the lower rail 5b of the lower fence 2 is provided. has a viewing surface 12e with a depressed center in the vertical direction, and a stepped portion 12f extending stepwise from the upper end of the viewing surface 12e to the site side. The facing surfaces 12c and 12e of the upper beams 4a and 4b of the upper fence 1 and the lower fence 2, the grating 9 and the lower beams 5a and 5b are flush with each other, and the facing dimension v1 of the facing surface 12c and the facing surface The apparent dimension v2 of 12e is 35 mm in common (the apparent dimension and the vertical position of the recesses in the viewing surfaces 12c and 12e are slightly different), and the gap between the upper end of the viewing surface 12c and the lower end of the viewing surface 12e. s1 and the gap s2 between the upper end of the viewing surface 12e and the lower end of the viewing surface 12c have the same dimension of 15 mm. As a result, the multi-tiered fence has the same design surface 12 as the lower rail 5a of the upper fence 1 and the upper rail 4b of the lower fence 2 on the visible surface from the upper rail 4a of the upper fence 1 to the lower rail 5b of the lower fence 2. The design surface 12 of is provided so as to be repeated. As a result, as shown in FIG. 7, the multi-stage fence has an inconspicuous boundary between the upper fence 1 and the lower fence 2, and has a unified design as a whole.

As described above, the multi-stage fence has a plurality of lattices provided between the upper and lower fences 4a, 4b and lower piers 5a, 5b and the upper and lower piers 4a, 4b, 5a, 5b. The lower rail 5a of the upper fence 1 and the upper rail 4b of the lower fence 2 have a design surface 12 having a feature common to the visible surface, one of which is swallowed by the other. Then, from the upper beam 4a of the upper fence 1 to the lower beam 5b of the lower fence 2, there is a design surface 12 common to the design surface 12 formed by the lower beam 5a of the upper fence 1 and the upper beam 4b of the lower fence 2 on the visible surface. By being provided repeatedly, the upper fence 1 and the lower fence 2 are continuous without being divided in design, and the design as a whole has a sense of unity.

As shown in FIGS. 1 and 2, the upper beams 4a, 4a of the right fence 1a and the left fence 1b of the upper fence 1 are connected by an upper beam connector 20a. The lower rails 5a, 5a of are connected by a lower rail connector 20b. Similarly, the right fence 2a of the lower fence 2 and the upper beams 4b, 4b of the left fence 2b are connected by an upper beam connector 20a, as shown in FIGS. and lower rails 5b, 5b of the left fence 2b are connected by a lower rail connector 20b.
The upper rail connector 20a and the lower rail connector 20b are made of resin, and as shown in FIG. . In addition, the upper rail connector 20a and the lower rail connector 20b have a plate-like portion 21 that is sandwiched between the edges of the upper rails 4a, 4b and the lower rails 5a, 5b of the left and right fences 1a, 1b, 2a, 2b, A gap hiding part 22 for hiding the gap between the left and right fences 1a, 1b, 2a, 2b is provided at the front (road side) and rear (site side) ends of the plate-like part 21.例文帳に追加

As shown in FIGS. 2 and 6, this multi-level fence has a gap cover between the vertical bars 6 and 6 of the left and right fences 1a, 1b and 2a, 2b between the upper rail connector 20a and the lower rail connector 20b. 35. In the example of FIG. 2, the gap cover 35 is composed of two members, a small member 13a attached to the vertical beams 6 of the right fences 1a and 2a and a small member 13b attached to the vertical beams 6 of the left fences 1b and 2b. be.
Each of the edge members 13a, 13b has a projection wall 14 and a pair of locking pieces 15, 15, and the locking pieces 15, 15 are elastically locked to grooves 16 formed in the vertical beam 6 from the sides. and attached to the vertical beam 6. The small members 13b of the left fences 1b, 2b hide the gaps between the left and right fences 1a, 1b and 2a, 2b on the front side (road side) and rear side (site side) of the left and right fences 1a, 1b and 2a, 2b. It has gap hiding parts 17 , 17 . The apparent dimension a of the gap hiding portion 17 is 6 mm. The edge members 13b of the left fences 1b and 2b and the edge members 13a of the right fences 1a and 2a are in contact with each other and have male and female engaging portions 18a and 18b that engage with each other.
2 and 5, the edges of the lattices 9, 9, . , 13b hide the edges of the gratings 9, 9, . . .

FIG. 4 shows another embodiment of the gap cover 35. As shown in FIG. In the embodiment of FIG. 4(a), similarly to the embodiment of FIG. 2, gap covers 35 are attached to the vertical beams 6 of the right fences 1a and 2a and the vertical beams 6 of the left fences 1b and 2b. The small member 13a on the side of the right fence 1a, 2a has a gap hiding part 17 on the front side (road side) of the left and right fences 1a, 1b and 2a, 2b. The edge member 13b on the side of 1b, 2b has a gap hiding part 17 on the rear side (site side) of the left and right fences 1a, 1b and 2a, 2b.
In the embodiment of FIG. 4(b), the gap cover 35 includes a small member 13a attached to the vertical bars 6 of the right fences 1a and 2a, and a small member 13b attached to the vertical bars 6 of the left fences 1b and 2b. It is composed of three members of a connecting member 19 provided so as to be sandwiched between the edge members 13a and 13b, the edge members 13a and 13b do not have a gap hiding part 17, and the road side and the site side of the connecting member 19. A gap hiding portion 17 is provided at the end of the . The connecting member 19 is in contact with the edge members 13a and 13b of the left and right fences, and has male and female engaging portions 18a and 18b that engage with each other.

As described above, in this multi-stage fence, the upper beams 4a and 4b of the right fences 1a and 2a and the left fences 1b and 2b are connected by the upper beam connector 20a, and the lower beams 5a and 5b are connected by the lower beam connector 20b. A gap cover 35 is provided between the vertical bars 6, 6 of the left and right fences 1a and 1b and 2a and 2b between the upper rail connector 20a and the lower rail connector 20b. , 1b, 2a, and 2b are provided on the front and rear sides of the left and right fences 1a, 1b, 2a, and 2b, so that the left and right fences 1a, 1b, 2a, and 2b are not thermally shrunk. Even if there is, there is no gap between the left and right fences 1a and 1b and between 2a and 2b.
Since the gap cover 35 hides the edges of the lattices 9, 9, . Also, even if the lattices 9, 9, .
The gap cover 35 of the embodiment shown in FIGS. 2 and 4(a) includes a member (edge member) 13a attached to the vertical beams 6 of the right fences 1a and 2a and a member attached to the vertical beams 6 of the left fences 1b and 2b. Since it consists of two members 13b, the left and right fences 1a can be assembled by simply attaching the members 13a, 13b to the vertical beams 6 of the left and right fences 1a, 1b, 2a, 2b in advance and then bringing the two members 13a, 13b together. , 1b, 2a, and 2b can be hidden, and workability is good.
Since the edge members 13b of the left fences 1b and 2b and the edge members 13a of the right fences 1a and 2a are in contact with each other, the width of the gap hiding portion 17 can be reduced, and the width of the left and right fences 1a, 1b, 2a and 2b can be reduced. The connecting part can be made inconspicuous.
In the case shown in FIG. 4(b), the connection member 19 is in contact with the edge members 13a and 13b of the left and right fences, so that the width of the gap hiding portion 17 can be reduced, and the left and right fences 1a and 1b can be reduced in size. , 2a and 2b can be made inconspicuous.

As shown in FIG. 1, the post 3 is a pull fitting that hooks the lower beams 5a, 5b and the upper beams 4a, 4b of the upper fence 1 and the lower fence 2, pulls them to the road side facing surface of the post 3, and fixes them. 23a and 23b. The lower rail 5b and upper rail 4b of the lower fence 2 and the attracting fittings 23b for the lower rail 5a of the upper fence 1 are tightened with screws 24 from the road side so that the lower rails 5a and 5b and the upper rail 4b are attached to the support 3. to secure it. A drawing fitting 23a for the upper rail 4a of the upper fence 1 draws the upper rail 4a to the support 3 and fixes it by tightening a screw 25 from the site side. The support 3 is a so-called free support that can move its position in the left-right direction.

As shown in FIG. 3, vertical members 26, which are long members spanning the upper fence 1 and the lower fence 2, are attached to the right and left ends of the multi-tiered fence. As shown in FIG. 2, the vertical member 26 has a substantially U-shaped cross section, corners are chamfered at an angle of 45°, and grooves 27a and 27b are formed in the chamfered corners. The grooves 27a and 27b are for attaching connecting members 28 when connecting the multi-level fences at the corners, as will be described later. Caps 29 are attached to the upper and lower ends of the vertical member 26 by screwing using tapping holes formed in the vertical member 26 .

Next, the construction procedure of this multi-level fence will be explained. First, the pillars 3, 3, 3 are erected at appropriate positions. Next, as shown in FIG. 9-1(a), the right fence 2a of the lower fence 2 is attached. At this time, as shown in FIG. 10(a), the screws 24 of the drawing metal fittings 23b for the upper rail 4b are loosened in advance, and the lower rails 5b and 4b are temporarily attached by hooking them on the drawing metal fittings 23b, 23b. Then, after adjusting the lateral position, the screw 24 is tightened from the road side to fix as shown in FIG. Next, as shown in FIG. 9-1(b), the upper rail connector 20a and the lower rail connector 20b are attached to the ends of the upper rail 4b and the lower rail 5b, and the left fence 2b of the lower fence 2 is attached to the upper rail. It is attached to the pillar 3 while being connected to the right fence 2a by the connector 20a and the lower rail connector 20b. Next, as shown in FIG. 9-2(c), the right fence 1a of the upper fence 1 is attached. At this time, as shown in FIG. 10(c), the screw 25 of the drawing metal fitting 23a for the upper rail 4a is loosened in advance, and after the lower rail 5a and the upper rail 4a are hooked on the drawing metal fittings 23a and 23b, As shown in FIG. 10(d), the screws 25 are tightened and fixed from the site side. Next, as shown in FIG. 9-2(d), an upper rail connector 20a and a lower rail connector 20b are attached to the ends of the upper rail 4a and the lower rail 5a, and the left fence 1b of the upper fence 1 is attached to the upper rail. It is attached to the pillar 3 while being connected to the right fence 1a by the connector 20a and the lower rail connector 20b. When mounting the left and right fences 1a and 1b of the upper fence 1, the mounting of the upper fence 1 can be easily performed by one person by placing the lower rail 5a on the upper rail 4b of the lower fence 2.例文帳に追加After that, as shown in FIG. 9-2(e), vertical members 26, 26 are attached to the left and right ends of the upper fence 1 and the lower fence 2, respectively.

11 to 13 show an embodiment in which the right multi-tiered fence 30 and the left multi-tiered fence 31 are connected by corner connectors 36 at corners. The corner connector 36 consists of a vertical member 26 attached to the left end of the right multi-tiered fence 31, a vertical member 26 attached to the right end of the left multi-tiered fence 31, and a connecting member attached between the vertical members 26, 26. 28.
The vertical member 26 is the same as the vertical member 26 attached to the side edge of the single multi-level fence described above, and is a long member spanning the upper fence 1 and the lower fence 2 . The connecting member 28 is, as shown in FIG. 11, a long member extending over the upper fence 1 and the lower fence 2, and as shown in FIG. Columnar swelling portions 32, 32 are provided, and the centers of the swelling portions 32, 32 are located eccentrically in the front-rear direction with respect to the plate-shaped portion. Each bulging portion 32, 32 engages with a groove 27b formed in the rear corner portion of the vertical member 26 of the left and right multi-stage fences 30, 31. As shown in FIG. Caps 33 are screwed to the upper and lower ends of the connecting member 28 using tapping holes formed in the plate-like portion.

The corner connector 36 formed by the vertical members 26, 26 and the connecting member 28 of the left and right multi-stage fences described above is not limited to the case where the left and right multi-stage fences 30, 31 are connected at 90°. , the left and right multistage fences 30 and 31 may be connected at an angle smaller than 90°, or may be connected at an angle larger than 90° as shown in FIG. 14(b). If the angle of the corner is greater than 90°, the connector 28 is attached in the opposite direction.
Furthermore, as shown in FIG. 15, it is possible to cope with corner portions of internal corners. When used in the corner portion of the inside corner, the bulging portions 32, 32 of the connecting member 28 are engaged with the grooves 27a in the front corner portion of the longitudinal member 26. As shown in FIG.

Next, the procedure for constructing the corner portion will be described. First, as shown in FIG. 16-1(a), the lower fence 2 of the right multi-tiered fence 30 is attached to the facing surfaces of the right multi-tiered fence supports 3, 3. Then, as shown in FIG. Next, as shown in FIG. 16-1(b), in a state in which the lower rail 5a of the upper fence 1 is placed on the upper rail 4b of the lower fence 2, the upper fence 1 is attached to the right multi-tiered fence struts 3 and 3. attached to the facing surface of the Next, as shown in FIG. 16-1(c), the vertical member 26 on the right side of the corner connector 36 is attached to the end of the right multi-level fence 30 . Next, as shown in FIG. 16-2(d), the lower fence 2 of the left multi-tiered fence 31 is temporarily attached to the left multi-tiered fence posts 3, 3 with the attracting metal fittings 23b (the upper attracting metal fittings 23b With the screws 24 loosened (see FIGS. 10(a) and 10(b)), slide to the right and insert the end portion into the vertical member 26 on the left side of the corner connector 36 . Next, as shown in FIG. 16-2(e), with the lower rail 5a of the upper fence 1 placed on the upper rail 4b of the lower fence 2, the upper fence 1 is mounted on the left multi-level fence struts 3 and 3. , slide to the right and insert the end into the vertical member 26 on the left side of the corner connector 36 . After that, the upper fence 1 and the lower fence 2 are connected to the ends of the right multi-level fence 30 and the left multi-level fence 31 opposite to the corner connector 36 (see FIG. 9-2).

As described above, this multi-tiered fence is configured such that the right multi-tiered fence 30 and the left multi-tiered fence 31 place the lower rails 5a of the upper fence 1 on top of the upper rails 4b of the lower fence 2, and the posts 3, 3 are visible. The left and right vertical members 26, 26 of the corner connector 36, which is attached to the attached surface and are long members spanning the upper fence 1 and the lower fence 2, are connected with a connecting member 28, and the right multistage is connected to the left and right vertical members 26, 26. Since the ends of the fence 30 and the left multistage fence 31 are attached, the left and right multistage fences 30, 31 can be connected in series from the upper part of the upper fence 1 to the lower part of the lower fence 2 with the corner connector 36, so that the corner part can be constructed. is easy. Also, the vertical members 26, 26 and the connecting member 28 of the corner connector 36 are elongated members straddling the upper fence 1 and the lower fence 2, and there is no vertical boundary, so the appearance is good. By placing the lower rails 5a of the upper fence 1 on the upper rails 4b of the lower fence 2, even one person can easily install the upper fence 1.例文帳に追加
Since the right multi-level fence 30 and/or the left multi-level fence 31 can be slid in the left-right direction while attached to the supports 3, 3 and can be freely inserted into the vertical members 26, 26 of the corner connector 36, construction of the corner portion is facilitated. much easier to do.

In addition, in the manufacturing method of this multi-level fence, a one-side multi-level fence (right multi-level fence) 30 is attached to the one-side multi-level fence supports 3, 3, and left and right long materials straddling the upper fence 1 and the lower fence 2 are attached. One side vertical member 26 of a corner connector 36 that connects vertical members 26, 26 with a connecting member 28 is attached to the end of one side multi-tiered fence 30, and the other side is attached to the facing surface of the other side multi-tiered fence support 3, 3. By temporarily attaching the side multi-tiered fence (left multi-tiered fence) 31, sliding it in the left-right direction, and inserting the end of the other side multi-tiered fence 31 into the other side vertical member 26 of the corner connector 36, the left and right multi-tiered fences 30 are attached. , 31 can be continuously connected from the upper part of the upper fence 1 to the lower part of the lower fence 2 by means of the corner connector 36, so that the construction of the corner part is easy. Also, the vertical members 26, 26 and the connecting member 28 of the corner connector 36 are elongated members straddling the upper fence 1 and the lower fence 2, and there is no vertical boundary, so the appearance is good.
By placing the lower rail 5a of the upper fence 1 on the upper rail 4b of the lower fence 2, even one person can easily install the upper fence.
The right multi-tiered fence 30 and/or the left multi-tiered fence 31 can be installed long in the left-right direction, respectively. Can be constructed without causing

The invention is not limited to the embodiments described above. The form of the left and right fences can be changed as appropriate. For example, a grid may be provided vertically between the upper and lower crosspieces. The cross-sectional shape and material of the gap cover can be changed as appropriate. The present invention can be applied to both single-tiered fences and multi-tiered fences.

1 Upper Fence 1a Right Fence 1b Left Fence 2 Lower Fence 2a Right Fence 2b Left Fence 3 Post 4a, 4b Upper Crosspiece 5a, 5b Lower Crosspiece 6 Vertical Crosspiece 9 Lattice 12 Design Surface 13a, 13b Small Material 17 Gap Hidden Part 20a Upper Crosspiece Connector 20b Lower rail connector 26 Vertical member 28 Connecting member 35 Gap cover 36 Corner connector

Claims (1)

A right fence, a left fence, an upper rail connector, a lower rail connector, and a gap cover, wherein the upper rail connector connects the upper rail of the right fence and the upper rail of the left fence, and the lower rail connector. connects the lower rail of the right fence with the lower rail of the left fence. The fence is characterized in that gap hiding parts for hiding the gap between the left and right fences are provided on the front and rear sides of the left and right fences.

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