JPH0311325Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an architectural lattice body used for fences, gates, handrails, balcony handrails, etc.

[Prior Art] An architectural lattice body is formed with a pair of opposing metal bars and a small metal bar disposed between these bars. Conventionally, a pair of crosspieces and a small crosspiece have been connected using fixing tools such as rivets and screws when each crosspiece is made of an aluminum alloy profile. Moreover, if each crosspiece was made of iron, they were connected by welding or the like.

[Problems to be Solved by the Invention] Therefore, in the past, a lot of effort was required for assembly, and when a fixing tool was used, the number of parts further increased, resulting in high costs.

The purpose of the present invention is to provide an architectural lattice body that can connect opposing bars and small bars placed between them without the need for fixing devices or welding, and can also improve assembly strength. There is a particular thing.

[Means for Solving the Problem] In order to achieve the above object, the architectural lattice body of the present invention includes a plurality of hollow small pieces arranged between a pair of metal crosspieces facing each other. The crosspiece has grooves extending in the longitudinal direction on at least one side wall thereof, and grooves are formed at the bottoms of the grooves at both ends of the small crosspiece and on the other side wall opposite to the one side wall, and grooves are formed at both ends of the small crosspiece. A receiving part consisting of a recess or hole is formed on the other side wall of the part on an extension of the groove provided therein, and a protrusion extending in the longitudinal direction is formed on the opposing surfaces of the pair of opposing metal bars. A pair of grooves are integrally provided at the mounting positions of each of these protrusions at the same spacing as the distance between the grooves of the small bar and the facing surface of the other side wall. , leaving a portion that fits with the groove of the small crosspiece, and making the thickness of the groove substantially equal to the width of the groove of the small crosspiece and the width of the groove, and the groove of the small crosspiece and the groove. The protrusions are fitted together, and a portion of the edge of the protrusion located near the pair of grooves is plastically deformed to fit into the receiving portion.

[Function] According to the present invention, in connecting the metal crosspiece and the hollow small crosspiece, first, a pair of grooves provided in the protrusion of the metal crosspiece and a groove provided on both end side walls of the small crosspiece are connected. The grooves inserted into each other are inserted into each other, and the pair of grooves are respectively fitted into a part of both side walls of the small crosspiece,
The grooves of the small crosspieces are fitted into parts of the protrusions, respectively, and the grooves are fitted over the entire protruding width of the protrusions.
These fittings can prevent each crosspiece from moving in the thickness direction relative to each other, and the fitting between the pair of grooves and the grooves of the small crosspiece can prevent each small crosspiece from moving in the longitudinal direction of the ridge. Next, in the vicinity of the pair of grooves of the protrusion, the edge of the protrusion is pressurized to plastically deform it toward the small crosspiece, and the plastically deformed portion is inserted into the receiving portion of the small crosspiece. This prevents the small crosspiece and the metal crosspiece from moving freely in the longitudinal direction of the small crosspiece and separating the small crosspiece and the metal crosspiece.

That is, as described above, the metal crosspiece and the hollow small crosspiece can be connected without using welding stops or fasteners.

Then, as described above, the pair of grooves are fitted into a part of both side walls of the small crosspiece, and the groove of the small crosspiece is fitted into a part of the above-mentioned protrusion. is fitted over the entire protruding width of the protrusion, sandwiching the protrusion in the thickness direction, and the small crosspiece is hollow and has high strength, making it easy to assemble the metal crosspiece and the small crosspiece. Strength can be improved.

[Example] Hereinafter, an example of the present invention will be described with reference to the drawings.

The fence 1 shown as a whole in FIG. 1 is formed from left and right vertical bars 2, upper and lower horizontal bars 3, and a plurality of small bars 4. This fence 1 can be used alone or in series. And each bar 2
- 4 are all made of aluminum alloy shaped material.

Projections 5 extending in the longitudinal direction are integrally provided on opposing surfaces of a pair of oppositely arranged crosspieces, that is, upper and lower horizontal crosspieces 3 in this embodiment. In addition,
The protrusion 5 is not limited to a plate piece as shown in this embodiment.

A pair of grooves 6 are formed at the positions of these protrusions 5 where the small crosspieces are attached, leaving a part of the protrusions 5, that is, a portion that fits into a groove 9 of the small crosspieces 4, which will be described later. Dimension a in FIG. 5 indicates the height and width of the remaining portion.

These pair of grooves 6 are grooves 8 which will be described later on the small crosspiece 4.
and the distance f between the facing surfaces of one side wall 4a of the small bar 4 having this groove 8 and the other side wall 4b of the opposing small bar 4.
(shown in FIG. 2) at the same spacing.

Each of the small bars 4 is arranged between the upper and lower horizontal bars 3 that face each other. The small crosspiece 4 is hollow and has a groove 8 extending in the longitudinal direction on at least one of its opposing side walls 4a. Grooves 9 are formed at both ends of the hollow crosspiece 4 to correspond to the grooves 6 of the horizontal crosspiece 3 and fit into at least a part of the protrusion 5. This groove 9 is located at the bottom of the groove 8 and on the other side wall 4a opposite to the one side wall 4a having the groove 8.
b, and these grooves 9 are provided from the end surface of the small crosspiece 4.

Receiving portions 10 are formed at both ends of the hollow crosspiece 4 so as to be located on an extension line of the groove 9, and the receiving portions 10 are formed of recesses, holes, or the like. Note that in this embodiment, the receiving portion 10 is provided apart from the groove 9;
You are not limited to this.

The thickness c of the protrusion 5, the width d of the groove 9 of the hollow crosspiece 4, and the width e of the groove 8 are made approximately equal. Further, the grooves 9 and grooves 8 of the hollow crosspiece 4 are fitted into the protrusions 5, and the portions of the edges of the protrusions 5 in the vicinity of the pair of grooves 6 are plastically deformed by pressure to receive the above-mentioned receivers. It has entered part 10. Reference numeral 11 in FIGS. 2 and 3 indicates a plastically deformed portion, and the arrow in FIG. 5 indicates the pressing direction.

Next, the horizontal beams 3 and small beams 4 of the fence 1 having the above configuration are explained.
The assembly procedure for connecting the two will be explained.

First, the pair of grooves 6 provided in the protrusion 5 of the horizontal bar 3 and the end side walls 4a, 4b of the hollow small bar 4
The grooves 9 provided in the respective grooves 9 are opposed to each other, and these are inserted into each other so as to be press-fitted.
Then, the pair of grooves 6 are fitted into parts of both side walls 4a, 4b of the small crosspiece 4, that is, the portions that are on the extension line of the groove 9 and continue to the inner end of the groove 9, and The groove 9 of No. 4 is fitted into a part of the protrusion 5, that is, the part that is on the extension line of the groove 6 and continues to the inner end of the groove 6, and the groove 8 is fitted with the protrusion width of the protrusion 5. They are fitted over the entire length and are provided across the protrusion 5 from the thickness direction.

Next, a portion of the edge of the protrusion 5 located near the pair of grooves 6 is pressed in the direction of the arrow in FIG. 5 to form a plastically deformed portion 11 toward the small bar 4, and at the same time , this deformed part 11 is connected to the receiving part 1 of the small crosspiece 4.
Let it go to 0.

As described above, the connection between the horizontal bar 3 and the small bar 4 is completed without using welding stops or fixing tools.

In this assembly, by fitting the protrusion 5 and the small crosspiece 4 as described above, each crosspiece 3 and 4 can be prevented from moving in the thickness direction, and the pair of grooves 6 and the groove of the small crosspiece 4 can be prevented. By fitting with 9, each small crosspiece 4 becomes a protrusion 5.
can be prevented from moving in the longitudinal direction. At the same time, due to the plastic deformation part 11 entering the receiving part 10, the small crosspiece 4 and the horizontal crosspiece 3 will move freely in the longitudinal direction of the small crosspiece 4, and the small crosspiece 4 and the horizontal crosspiece 3 will be separated. It can be prevented.

The fence 1 is assembled by connecting vertical bars 2 to both left and right ends of the assembly.

Moreover, in conjunction with the above-mentioned fitting between the horizontal bar 3 and the small bar 4, the groove 8 sandwiches the protrusion 5 over its entire protruding width, and the small bar 4 itself is hollow. In addition, since the strength is high, the assembly strength of the horizontal bar 3 and the small bar 4 can be improved.

Note that the present invention is not limited to the above embodiment. For example, the material of each of the bars 2 to 4 may be steel, and if necessary, the pair of bars 3 may be made of metal, and the small bar 4 may be made of metal or synthetic resin.

Further, in the present invention, the pair of opposing bars may be used as vertical bars, and the small bars may be arranged in the horizontal direction, and the pair of opposing bars may have two or more protrusions.

Furthermore, the groove 6 of the protrusion 5 and the groove 9 of the small crosspiece 4
The fitting may be made easier by widening the area near the entrance.

Moreover, the shape of the small crosspiece is not limited to a hollow rectangular shape, but can be hollow and can have various hollow shapes such as a circular shape, a hexagonal shape, an elliptical shape, and the like.

In addition to fences, the present invention can also be applied to gates, handrails, balcony handrails, etc.

In addition, when implementing the present invention, unless it is contrary to the gist of the invention, the pair of bars, small bars, grooves, grooves, protrusions, receiving parts, etc. are not limited to those in the above-mentioned embodiment. Of course, it can be configured and implemented in various ways.

[Effects of the invention] In the architectural lattice body of the invention described above, a pair of grooves are formed in the small crosspiece attachment portion of the protrusion of the metal crosspiece, and a pair of grooves are formed in the end side walls of the hollow small crosspiece, respectively. These crosspieces are fitted together to prevent the movement of both crosspieces in the thickness direction and the longitudinal direction of the protrusion, respectively, and the protrusion is located near the pair of grooves of the protrusion. The plastically deformed part formed by the above-mentioned crosspieces is inserted into the receiving part of the small crosspiece to prevent the crosspieces from moving in the longitudinal direction. Metal crosspieces and small crosspieces can be assembled without the need for other materials. Therefore, the number of parts is small, the structure and assembly can be simplified, and it can be obtained at low cost. Moreover, the small crosspiece is hollow and strong, and the grooves of the small crosspiece sandwich the entire protruding width of the protrusion, and the above-mentioned fitting increases the assembly strength of the metal crosspiece and the small crosspiece. can be increased.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, in which Fig. 1 is a perspective view of the fence, Fig. 2 is a vertical cross-sectional view of the connecting part between the horizontal bar and the small bar, and Fig. 3 is taken along the line - in Fig. 2. FIG. 4 is a cross-sectional view taken along the line -- in FIG. 2, and FIG. 5 is an exploded perspective view showing a connecting portion between the horizontal rail and the small rail. 1...Architectural lattice (fence), 3...Horizontal beam,
4...Small crosspiece, 4a, 4b...Side wall of small crosspiece, 5...
Projection, 6... Groove, 8... Groove, 9... Groove, 10...
...Receiving part, 11...Plastic deformation part.

Claims (1)

[Scope of Claim for Utility Model Registration] In an architectural lattice body comprising a pair of metal bars arranged opposite to each other and a plurality of hollow small bars arranged between these bars, the small bars are At least one side wall thereof has a groove extending in the longitudinal direction, and grooves are formed at the bottom of the groove at both ends of the small crosspiece and on the other side wall opposite to the one side wall, A receiving portion consisting of a recess or hole is formed on the other side wall on an extension line of the groove provided therein, and a protrusion extending in the longitudinal direction is integrally protruded on the opposing surfaces of the pair of opposing metal bars. At the mounting position of each of these protrusions, a pair of grooves are provided at the same spacing as the distance between the groove of the small bar and the facing surface of the other side wall. The grooves and grooves of the small crosspiece and the protrusions are formed by leaving a portion that fits into the groove of the crosspiece so that the thickness of the groove is approximately equal to the width of the groove of the small crosspiece and the width of the groove. and are fitted into each other, and a portion of the edge of the protrusion located near the pair of grooves is plastically deformed so as to fit into the receiving portion.