JPH0211883U

JPH0211883U -

Info

Publication number: JPH0211883U
Application number: JP9022188U
Authority: JP
Priority date: 1988-07-07
Filing date: 1988-07-07
Publication date: 1990-01-25

Description

[Brief explanation of drawings]

第１図ａは本考案の１実施例の栓を示す平面図
、第１図ｂは同実施例の栓を示す底面図、第１図
ｃは同実施例の栓を示す正面図、第１図ｄは同実
施例の栓を示す側面図、第２図は同実施例の栓を
切欠部に嵌入した状態を示す平面図、第３図は同
実施例の栓の嵌入状態を第２図のＡ―Ａ方向から
見た縦断側面図、第４図は同実施例の切欠部を受
枠側から見た正面図、第５図は同考案の溝蓋のが
たつき防止装置を設けたグレーチングと受枠の平
面図、第６図は溝蓋とコーナーアングルとの間に
従来の騒音防止用スプリングを装着した状態を示
す縦断側面図、第７図は溝蓋と受枠との間に従来
の緩衝片を装着した状態を示す縦断側面図である
。１２……切欠部、１２ａ……切欠部の内側面、
１３……栓、１４……グレーチング、１５……受
枠、１５ａ……受枠の内側面、１７ｂ……勾配。 FIG. 1a is a plan view showing a stopper according to an embodiment of the present invention, FIG. 1b is a bottom view showing a stopper according to the same embodiment, FIG. 1c is a front view showing a stopper according to the same embodiment, and FIG. Figure d is a side view showing the plug of the same embodiment, Figure 2 is a plan view showing the plug of the same embodiment fitted into the notch, and Figure 3 is a side view showing the plug of the same embodiment fitted into the notch. Fig. 4 is a front view of the notch of the same embodiment as seen from the receiving frame side, Fig. 5 is a grating equipped with the groove cover rattling prevention device of the same invention. and a plan view of the receiver frame, Figure 6 is a vertical side view showing a conventional noise prevention spring installed between the groove cover and the corner angle, and Figure 7 is a conventional noise prevention spring installed between the groove cover and the receiver frame. It is a longitudinal side view showing the state where the piece is attached. 12...notch, 12a...inner surface of the notch,
13... Plug, 14... Grating, 15... Receiving frame, 15a... Inner surface of receiving frame, 17b... Slope.

Claims

[Claims for Utility Model Registration] (1) A notch provided at the edge of the groove cover placed on the receiving frame and open to at least the top surface and the surface facing the inner surface of the receiving frame, and the inner surface of this notch and an inner surface of the receiving frame, the inner surface of the notch facing the inner surface of the receiving frame and the inner surface of the receiving frame when fitted into the notch. A device for preventing rattling of a groove cover, which comprises a stopper with a tightness such that it comes into pressure contact with a stopper. (2) The groove cover according to claim (1), wherein the notch has a substantially circular or square planar shape and an inner surface tapered to widen toward the upper surface. Anti-rattle device. (3) Claim (1) or (2) characterized in that the plug is provided with a slope at the lower part of the side surface that presses against the inner surface of the receiving frame so as to cut out a part of the tightening margin. The groove cover rattling prevention device described in .