JPH0218217U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係るグロメツトの防水構造の
一実施例を示す縦断面図、第２図は本実施例によ
る挿通孔縁部を示す正面図、第３図は第２図の側
面図、第４図及び第５図は本実施例の作用を示す
要部断面図、第６図及び第７図はそれぞれ従来の
グロメツト及び挿通孔縁部を示す斜視図、第８図
は従来のグロメツトの防水構造を示す縦断面図、
第９図及び第１０図はそれぞれ従来の作用を示す
要部断面図である。 １……隔壁板（被取付部材）、２……挿通孔、
３，９……縁部、４……グロメツト、５，１０…
…鍔部、６……環状凹溝、７，１１，１２……環
状リブ（環状突条）。 FIG. 1 is a longitudinal sectional view showing an embodiment of the waterproof structure of a grommet according to the present invention, FIG. 2 is a front view showing the edge of the insertion hole according to the present embodiment, and FIG. 3 is a side view of FIG. 4 and 5 are sectional views of essential parts showing the operation of this embodiment, FIGS. 6 and 7 are perspective views showing the conventional grommet and the edge of the insertion hole, respectively, and FIG. 8 is a perspective view of the conventional grommet. Vertical cross-sectional view showing the waterproof structure,
FIGS. 9 and 10 are sectional views of main parts showing the conventional operation, respectively. 1... Partition plate (attached member), 2... Insertion hole,
3, 9... Edge, 4... Grommet, 5, 10...
... Flange portion, 6... Annular groove, 7, 11, 12... Annular rib (annular protrusion).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 弾性部材により形成され、被取付部材に形成さ
れた挿通孔に嵌入される鍔部を有するグロメツト
の防水構造において、前記挿通孔の縁部をほぼＵ
字状に折曲突出させるとともに、前記鍔部の外周
に形成された環状凹溝の対向する内側面にそれぞ
れ環状突条を突設したことを特徴とするグロメツ
トの防止構造。 In the waterproof structure of a grommet that is formed of an elastic member and has a flange that is fitted into an insertion hole formed in a member to be attached, the edge of the insertion hole is approximately U-shaped.
A grommet prevention structure characterized in that the grommet is bent and protruded in a letter shape, and annular protrusions are provided on opposing inner surfaces of the annular groove formed on the outer periphery of the flange.