JPH043165U

JPH043165U -

Info

Publication number: JPH043165U
Application number: JP1990043191U
Authority: JP
Priority date: 1990-04-23
Filing date: 1990-04-23
Publication date: 1992-01-13

Description

[Brief explanation of the drawing]

第１図〜第３図はこの考案による密封装置の第
１の実施例を示し、第１図はリテーナを示す概略
図、第２図はガスケツトを示す概略図、第３図は
リテーナにガスケツトを取付けた状態を示す概略
図、第４図ａ，ｂは前記第１の実施例の作用を示
し、第４図ａはガスケツトが固定部とリテーナと
の間に挟持される以前の状態を示す説明図、第４
図ｂは挟持押圧された状態を示す説明図、第５図
ａ，ｂはこの考案による密封装置の第２の実施例
に使用するガスケツトを示し、第５図ａは一部平
面図、第５図ｂは一部正面図、第６図ａ，ｂは前
記第２の実施例の作用を示し、第６図ａはガスケ
ツトが固定部とリテーナとの間に挟持される以前
の状態を示す説明図、第６図ｂは挟持押圧された
状態を示す説明図、第７図〜第９図は従来の密封
装置を示し、第７図はリテーナを示す概略図、第
８図ａ，ｂは従来の密封装置に使用されたガスケ
ツトを示し、第８図ａは一部平面図、第８図ｂは
一部正面図、第９図はリテーナにガスケツトを取
付けた状態を示す概略図である。１，２１，４１……密封装置、２，２２，４２
……リテーナ、２ａ，２２ａ，４２ａ……取付け
面、３，４３……円筒部、４，４４……オイルシ
ール、５，２５，４５……肉厚部、６，２６，４
６……ボルト孔、７，２７，４７……ガスケツト
、７ａ，７ｃ，２７ａ，２７ｃ……ゴム部、７ｂ
，２７ｂ……鋼板、８，９……ビード、１０，３
０，５０……孔、２８……突出部、Ａ……固定部
、Ｂ……ねじ孔、Ｓ……ボルト。 1 to 3 show a first embodiment of the sealing device according to this invention, FIG. 1 is a schematic diagram showing a retainer, FIG. 2 is a schematic diagram showing a gasket, and FIG. 3 is a schematic diagram showing a gasket in a retainer. A schematic view showing the installed state, FIGS. 4a and 4b show the operation of the first embodiment, and FIG. 4a shows the state before the gasket is sandwiched between the fixing part and the retainer. Figure, 4th
Fig. 5b is an explanatory diagram showing a state in which it is held and pressed, Figs. 5a and 5b show a gasket used in the second embodiment of the sealing device according to this invention, Fig. FIG. 6b is a partial front view, FIGS. 6a and 6b show the operation of the second embodiment, and FIG. 6a is an explanation showing the state before the gasket is sandwiched between the fixing part and the retainer. Fig. 6b is an explanatory diagram showing a state in which it is held and pressed, Figs. 7 to 9 show a conventional sealing device, Fig. 7 is a schematic diagram showing a retainer, and Figs. 8a and b are conventional FIG. 8a is a partial plan view, FIG. 8b is a partial front view, and FIG. 9 is a schematic view showing the gasket attached to the retainer. 1, 21, 41...Sealing device, 2, 22, 42
... Retainer, 2a, 22a, 42a ... Mounting surface, 3, 43 ... Cylindrical part, 4, 44 ... Oil seal, 5, 25, 45 ... Thick part, 6, 26, 4
6... Bolt hole, 7, 27, 47... Gasket, 7a, 7c, 27a, 27c... Rubber part, 7b
, 27b... Steel plate, 8, 9... Bead, 10, 3
0, 50...hole, 28...protrusion, A...fixing part, B...screw hole, S...bolt.

Claims

[Claims for Utility Model Registration] (1) Sealing devices 1 and 2 that seal between a fixed part A such as an engine block or an oil pan and a rotating shaft that protrudes from the fixed part A and can rotate.
1, and the sealing device 1, 21 is a retainer 2.
, 22, and an oil seal 4 that is supported by the retainers 2 and 22 and seals the outer peripheral surface of the rotating shaft;
gaskets 7 and 27 located between the retainers 2 and 22 and the fixing part A;
, 22 and the gaskets 7, 27 are not in constant contact with each other over the entire area, but a portion of the gaskets 7, 27 is pressed heavily, and this pressed portion extends over the entire circumference of the gaskets 7, 27. A sealing device characterized by passing. (2) The gaskets 7, 27 are made of steel plates 7b, 2
Rubber parts 7a, 27a, 7c, 27c on both sides of 7b
2. The sealing device according to claim 1, further comprising: (3) The retainer 2 has a protrusion 8 extending over a part of the mounting surface 2a of the gasket 7.
, 9 are formed, and the portion of the gasket 7 that comes into contact with the protrusions 8, 9 is strongly pressed. (4) The retainer 22 is provided with a bolt hole 26, and the gasket 27 is provided with a protrusion 28 extending over its entire circumference.
A hole 30 is formed in a portion of the retainer 22 corresponding to the bolt hole 26, and when the bolt S is inserted into the bolt hole 26 and the hole 30 and then screwed into the fixing part A, the gasket 27 is Hole 3
2. The sealing device according to claim 1, wherein the peripheral edge of the zero is deformed so that this portion is pressed more than other portions.