JP2003034908A - Fixing method of decorative plate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixing method in which a plurality of decorative plates can surely be fixed continuously in the vertical direction without using bolts, and moreover, stress concentration is not generated at a mounting part of the decorative plate. SOLUTION: On top of folding back a lower end of the upper side decorative plate 11 in folded back inwardly two times, the tip edge 13 is folded at a right angle and extended inwardly. The lower end of the upper side decorative plate 11 is fixed to a substrate material 10 by inserting the tip edge 13 into a receiving groove 24 of a clip 20 to be mounted to the substrate material 10 at a prescribed interval. The upper end part 29 of the lower side decorative plate 11 is held by being inserted into a turn 12 of the upper side decorative plate 11 fixed in such a manner.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of fixing a decorative plate used when the decorative plate is attached to the outer surface of an elevated road.

[0002]

2. Description of the Related Art A decorative plate is attached to the lower outer surface of an elevated road that runs in an urban area in order to ensure a beautiful appearance. Such a decorative plate is made of, for example, a fluororesin laminated steel plate, but the mounting work becomes difficult when the weight per sheet becomes heavy, and therefore its size cannot be increased so much. Especially in the up-down direction, there are not only vertical parts but also curved parts.Therefore, a plurality of decorative plates divided according to the cross-sectional shape should be continuous in the up-down direction between the base materials that are horizontally arranged at predetermined intervals. The method of fixing is adopted.

FIG. 5 is a cross-sectional view showing a conventional typical fixing method. The upper and lower ends of each decorative plate 1 are bent inwardly into an L shape and fixed to a base material 2 made of U-shaped steel with bolts 3. There is. According to this method, by putting the upper end of the lower decorative plate 1 inside the upper decorative plate and tightening the bolts,
It can be securely fixed considering rain.

However, since this method is a method of bolting all the upper and lower ends of each decorative plate 1, there is a limit to the pitch of the bolts 3 from the viewpoint of strength, and normally bolting is performed at a horizontal pitch of about 800 mm. Is going. For this reason, there is a problem that it takes a lot of man-hours to attach the decorative plate 3. Moreover, the bolt 3 may be loosened by the vibration of the traffic, and in the worst case, it may be dropped to damage the vehicle running on the lower road. Further, when the wind is strong, stress concentrates on the bolted portions of the decorative plate 1, and there is a risk of breakage if the decorative plate 1 is made thin.

[0005]

DISCLOSURE OF THE INVENTION The present invention solves the above-mentioned problems of the prior art, and securely fixes a plurality of decorative plates continuously in the vertical direction without using bolts that may loosen. The purpose of the present invention is to provide a method of fixing a decorative plate that can be applied and in which stress concentration does not occur in the mounting portion of the decorative plate.

[0006]

SUMMARY OF THE INVENTION The present invention, which has been made to solve the above-mentioned problems, fixes a plurality of decorative plates in a vertical direction between base materials arranged in a horizontal direction at predetermined intervals. A method of fixing a decorative plate, in which the lower end of the upper decorative plate is folded back inward twice and its tip edge is extended inward, and this tip edge is inserted into a receiving groove of a clip attached to a base material at predetermined intervals. And fix it to the base material,
It is characterized in that the upper end of the lower decorative plate is inserted and held in the folded-back portion of the upper decorative plate. It is preferable to use shaped steel as the base material and arrange the clip on the upper plane thereof, and use a clip having an engaging portion with the outer end of the base material and an elastic engaging portion with the inner end of the base material. Preferably. Further, it is preferable that the clip be fixed to the base material by a fall prevention piece.

Since the present invention adopts a method in which the upper end of the lower decorative plate is inserted and held in the folded portion formed at the lower end of the upper decorative plate, the upper and lower decorative plates are mutually secured over the entire length. Connected to. Moreover, since the tip end edge of the folded back is inserted into the receiving groove of the clip attached to the base material at a predetermined interval and fixed to the base material, it is not necessary to use a bolt. As a result, the number of installation steps is reduced and
It is possible to eliminate the risk of a loose bolt falling. Further, since the upper and lower decorative plates are reliably connected to each other over the entire length, stress concentration is unlikely to occur at the mounting portion, and there is no risk of breakage.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention are shown below. FIG. 1 is a cross-sectional view showing a state in which a decorative plate is fixed by the fixing method of the present invention, and FIG. 2 is an enlarged cross-sectional view of a main part thereof. In these drawings, reference numeral 10 is a base material horizontally arranged at a predetermined interval vertically on the lower outer surface of the elevated road, and L-shaped steel is used here. Reference numeral 11 is a plurality of decorative plates attached between these base materials 10, 10. The material of the decorative plate 11 is not particularly limited, but in addition to the above-mentioned fluororesin laminated steel plate, it is preferable to use a thin metal plate having excellent weather resistance such as an aluminum plate, a stainless plate, and a zinc steel plate. .

As shown enlarged in FIG. 2, the lower end of the upper decorative plate 11 is folded back inward twice. The fold means a fold of 180 °, and the lower end of the upper decorative plate 11 is once folded upward in a U shape and then folded downward, and the reverse U-shaped folded portion 1 is formed on the back surface.
Form 2. Further, the tip edge 13 is bent at a right angle and extended inward. It is preferable to form the engagement projection 14 by a method such as folding back the tip edge 13 as well.

As described above, the tip edge 13 of the upper decorative plate 11 bent at a right angle to the inside is fixed to the upper flat surface of the base material 10 by the clip 20. As shown in FIGS. 2 and 3, the clip 20 has a hook-shaped engaging portion 22 that engages with the outer end of the base material 10 at one end of a flat plate-shaped main body 21 that is in close contact with the upper surface of the base material 10. In addition to the elastic engagement portion 23 with the inner end of 10, the receiving groove 24 is provided in the upper portion of the engagement portion 22. Its width is, for example, 150
mm.

The receiving groove 24 is shaped so that the tip end is closed by its own elasticity, but when the tip edge 13 of the decorative plate 11 is inserted from the guide portion 25 formed at the tip, this is surely held. Is what you can do.
As shown in FIG. 2, if the claw 26 for engaging with the engaging projection 14 of the leading edge 13 is formed in the receiving groove 24, the leading edge 13 of the decorative plate 11 can be held more reliably. Can be made.

The clip 20 has an elastic engaging portion 23 at its rear portion.
Is elastically engaged with the inner end of the base material 10 as shown in FIGS. 2 and 4, so that the base material 10 is fixed to the upper surface of the base material 10. However, if it is left as it is, there is a risk that the clip 20 will fall off from the base material 10 due to vibrations such as wind. Keep it engaged. As a result, the lower end of the upper decorative plate 11 is securely fixed to the base material 10 by the clip 20 without using a conventional bolt. As shown in FIG. 4, the clips 20 may be arranged in the longitudinal direction of the base material 10 at an appropriate pitch of, for example, about several hundred mm.

In this way, the lower end of the upper decorative plate 11 is fixed to the base material 10 by the clip 20, and the upper end portion 28 of the lower decorative plate 11 is placed on the upper side as shown in FIGS. It is inserted into the inverted U-shaped folded-back portion 12 formed at the lower end of the decorative plate 11. As a result, the upper end of the lower decorative plate 11 is securely fixed, and the lower end thereof is fixed by the clip 20 as in the above. The same work is repeated depending on the number of decorative plates 11 in the vertical direction.

In order to strengthen the connection between the upper and lower decorative plates 11, it is preferable to make the insertion depth of the lower decorative plate 11 large, but in practice, the depth of the folded portion 12 is several. It is sufficient to set it to 10 mm. Note that the folded portion 12 may be filled with an adhesive in order to obtain a stronger bond.

As described above, according to the method of fixing a decorative plate of the present invention, the lower end of the upper decorative plate 11 is attached to the receiving groove 2 of the clip 20.
4 is fixed to the base material 10 and the upper part 28 of the lower decorative plate 11 is inserted and held in the folded-back part 12 of the upper decorative plate 11, so that the bolt that may be loosened The decorative plate 11 can be fixed without using.

Further, as shown in FIG. 4, since the upper and lower decorative plates 11 are joined to each other over their entire length, even when an external force such as wind is applied, unlike the conventional bolting. There is no stress concentration on the mounting portion, and even if the thin decorative plate 11 is used, there is no risk of the mounting portion breaking. Moreover, since the clips 20 may be arranged at appropriate intervals, the workability is good, and the attachment itself to the base material 10 is extremely easy.

[0017]

As described above, according to the method for fixing a decorative plate of the present invention, a plurality of decorative plates can be continuously fixed in the vertical direction without using a bolt. . Therefore, there are many advantages such as good workability, excellent safety because there is no risk of dropping the bolt, and no risk of breakage because stress concentration does not occur at the mounting portion of the decorative plate.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a state in which a decorative plate is fixed by a fixing method of the present invention.

FIG. 2 is an enlarged cross-sectional view of a main part.

FIG. 3 is a perspective view of a clip.

FIG. 4 is a perspective view from the back side showing a state in which a decorative plate is fixed by the fixing method of the present invention.

FIG. 5 is a cross-sectional view showing a conventional method.

[Explanation of symbols]

1 decorative board, 2 base material, 3 bolt, 10 base material,
11 decorative plate, 12 inverted U-shaped folded-back portion, 13 tip edge, 14 engagement protrusion, 20 clip, 21 clip body, 22 hook-shaped engagement portion, 23 elastic engagement portion, 24 receiving groove, 25 guide Part, 26 nails, 27
Captive piece, 28 hooks, 29 Upper edge of lower decorative plate

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Yasunobu Suzuki             2-56, Sudacho, Mizuho-ku, Nagoya-shi, Aichi             Inside Hon insulator Co., Ltd. (72) Minoru Ono, Inventor             2-56, Sudacho, Mizuho-ku, Nagoya-shi, Aichi             Inside Hon insulator Co., Ltd. (72) Inventor Taizo Kimura             10-25 Nakanoshinmachi, Shijonawate City, Osaka Prefecture Daito Metal             Within the corporation (72) Inventor Shinjiro Hino             10-25 Nakanoshinmachi, Shijonawate City, Osaka Prefecture Daito Metal             Within the corporation (72) Inventor Mitsuhiro Okada             10-25 Nakanoshinmachi, Shijonawate City, Osaka Prefecture Daito Metal             Within the corporation F-term (reference) 2D059 BB37 GG55                 2E110 AA42 AA50 AB04 AB22 AB46                       BA12 CA07 CC03 CC12 DA12                       DC04

Claims (4)

[Claims] 1. A method for fixing a decorative plate in which a plurality of decorative plates are continuously fixed in the vertical direction between base materials arranged in a horizontal direction at a predetermined interval, wherein the lower end of the upper decorative plate is inward. It is folded back twice and its tip edge is extended inwardly, and this tip edge is inserted into the receiving groove of the clip that is attached to the base material at a predetermined interval and fixed to the base material, and at the folded part of the upper decorative plate the lower side A method for fixing a decorative plate, characterized in that the upper end of the decorative plate is inserted and held. 2. The method for fixing a decorative plate according to claim 1, wherein L-shaped steel is used as the base material and the clip is arranged on the upper plane thereof. 3. The method for fixing a decorative plate according to claim 2, wherein a clip having an engaging portion with an outer end of the base material and an elastic engaging portion with an inner end of the base material is used. 4. The method for fixing a decorative plate according to claim 1, wherein the clip is fixed to the base material by a fall-preventing piece.