JPH0360657U

JPH0360657U -

Info

Publication number: JPH0360657U
Application number: JP1989121210U
Authority: JP
Priority date: 1989-10-17
Filing date: 1989-10-17
Publication date: 1991-06-14
Anticipated expiration: 2004-10-17
Also published as: JPH0738768Y2

Description

[Brief explanation of the drawing]

第１図〜第４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図は全体を示す概略図、
第２図は第１図に示すもののＡ−Ｏ線断面図、第
３図は第１図に示すもののＢ−Ｂ線断面図、第４
図は第１図に示すものの部分拡大断面図、第５図
は第１図に示す密封装置を取り付ける固定部材を
示す概略図、第６図はこの考案による密封装置の
第２の実施例を示す部分拡大断面図、第７図はこ
の考案による密封装置の第３の実施例を示す部分
拡大断面図、第８図〜第１１図はこの考案による
密封装置の第４の実施例を示し、第８図は全体を
示す概略図、第９図は第８図に示すもののＣ−Ｏ
線断面図、第１０図は第８図に示すもののＤ−Ｄ
線断面図、第１１図は第８図に示すものの部分拡
大断面図、第１２図は第８図に示す密封装置を取
り付ける固定部材を示す概略図、第１３図〜第１
５図はこの考案による密封装置の第５の実施例を
示し、第１３図は全体を示す概略図、第１４図は
第１３図に示すもののＥ−Ｏ線断面図、第１５図
は第１３図に示すもののＦ−Ｆ線断面図、第１６
図は第１３図に示す密封装置を取りつける固定部
材を示す概略図、第１７図〜第２０図はこの考案
による密封装置の第６の実施例を示し、第１７図
は全体を示す概略図、第１８図は第１７図に示す
もののＩ−Ｏ線断面図、第１９図は第１７図に示
すもののＪ−Ｊ線断面図、第２０図は第１７図に
示すものの部分拡大断面図、第２１図は第１７図
に示す密封装置を取りつける固定部材を示す概略
図、第２２図はこの考案による密封装置の第７の
実施例を示す部分拡大断面図、第２３図〜第２６
図はこの考案による密封装置の第８の実施例を示
し、第２３図は全体を示す概略図、第２４図は第
２３図に示すもののＫ−Ｏ線断面図、第２５図は
第２３図に示すもののＬ−Ｌ線断面図、第２６図
は第２３図に示すものの部分拡大断面図、第２７
図は第２３図に示す密封装置を取りつける固定部
材を示す概略図、第２８図および第２９図は従来
の密封装置の一例を示し、第２８図は全体を示す
概略図、第２９図は第２８図に示すものの線断面
図、第３０〜第３３図は従来の密封装置の他の例
を示し、第３０図は全体を示す概略図、第３１図
は第３０図に示すものの下面図、第３２図は第３
０図に示すもののＨ−Ｈ線断面図、第３３図は第
３０に示すものの部分拡大断面図である。１，７５，８２……オイルシール、２，２２，
３２，４２，５２，６２，７５……取り付け部、
３，７６，８７……リツプ部、４……スプリング
、６，７１，８６……シール部材（ガスケツト）
、７……先端部、８，１２，２３，５３，６３…
…突出部、９，３２，７２，８２……保持部材（
リテーナー）、１０……円筒部、１１……フラン
ジ部、１３，７４，８４……取り付け面、１４，
３３，４３……溝部、１５……ボルト穴、１６，
３３ａ，４３ａ……底面、１７……下面、２１，
３１，４１，５１，６１……固定部材、２３ａ，
２４ａ，３４ａ……上面、２４，３４，４４，５
４，６４……台座部、２５，３５，４５……回転
軸、２７……ねじ穴、５３ａ，６３ａ…内周面、
４４ａ，６４ａ……湾曲面、８５……溝。 1 to 4 show a first embodiment of the sealing device according to this invention, and FIG. 1 is a schematic diagram showing the whole,
Figure 2 is a cross-sectional view taken along the line A-O of the thing shown in Figure 1, Figure 3 is a cross-sectional view taken along the line B-B of the thing shown in Figure 1, and Figure 4 is a cross-sectional view taken along the line B-B of the thing shown in Figure 1.
The figure is a partially enlarged sectional view of the device shown in FIG. 1, FIG. 5 is a schematic diagram showing a fixing member for attaching the sealing device shown in FIG. 1, and FIG. 6 is a second embodiment of the sealing device according to this invention. FIG. 7 is a partially enlarged sectional view showing a third embodiment of the sealing device according to this invention, and FIGS. 8 to 11 show a fourth embodiment of the sealing device according to this invention. Figure 8 is a schematic diagram showing the whole, and Figure 9 is a C-O diagram of what is shown in Figure 8.
Line cross-sectional view, Fig. 10 is D-D of the one shown in Fig. 8.
11 is a partially enlarged sectional view of the one shown in FIG. 8, FIG. 12 is a schematic diagram showing a fixing member for attaching the sealing device shown in FIG. 8, and FIGS.
5 shows a fifth embodiment of the sealing device according to this invention, FIG. 13 is a schematic diagram showing the whole, FIG. 14 is a sectional view taken along line E-O of the device shown in FIG. 13, and FIG. Cross-sectional view taken along line F-F of the item shown in the figure, No. 16
The figure is a schematic view showing a fixing member for attaching the sealing device shown in FIG. 13, FIGS. 17 to 20 show a sixth embodiment of the sealing device according to this invention, and FIG. 18 is a sectional view taken along line I-O of the thing shown in FIG. 17, FIG. 19 is a sectional view taken along line J-J of the thing shown in FIG. 17, and FIG. 20 is a partially enlarged sectional view of the thing shown in FIG. 21 is a schematic view showing a fixing member for attaching the sealing device shown in FIG. 17, FIG. 22 is a partially enlarged sectional view showing a seventh embodiment of the sealing device according to this invention, and FIGS. 23 to 26.
The figure shows an eighth embodiment of the sealing device according to this invention, FIG. 23 is a schematic diagram showing the whole, FIG. 24 is a sectional view taken along the line KO of the one shown in FIG. 23, and FIG. 26 is a partially enlarged sectional view of the thing shown in FIG. 23, and FIG.
The figure is a schematic view showing a fixing member for attaching the sealing device shown in FIG. 23, FIGS. 28 and 29 show an example of a conventional sealing device, FIG. 28 is a line sectional view of the one shown in FIG. 28, FIGS. 30 to 33 show other examples of conventional sealing devices, FIG. 30 is a schematic diagram showing the whole, FIG. 31 is a bottom view of the one shown in FIG. 30, Figure 32 is the third
FIG. 33 is a partially enlarged sectional view of what is shown in FIG. 30. 1,75,82...Oil seal, 2,22,
32, 42, 52, 62, 75...attachment part,
3, 76, 87... Lip part, 4... Spring, 6, 71, 86... Seal member (gasket)
, 7... tip, 8, 12, 23, 53, 63...
...Protrusion, 9, 32, 72, 82... Holding member (
retainer), 10... Cylindrical part, 11... Flange part, 13, 74, 84... Mounting surface, 14,
33, 43...Groove, 15...Bolt hole, 16,
33a, 43a...bottom surface, 17...bottom surface, 21,
31, 41, 51, 61...fixing member, 23a,
24a, 34a...Top surface, 24, 34, 44, 5
4, 64... Pedestal part, 25, 35, 45... Rotating shaft, 27... Screw hole, 53a, 63a... Inner peripheral surface,
44a, 64a...Curved surface, 85...Groove.

Claims

[Claims for Utility Model Registration] (1) A sealing device that seals between a fixed member 21 and a rotating member 25, the sealing device comprising: an oil seal 1 that seals between the fixed member 21 and the rotating member 25;
The oil seal 1 includes a seal member 6 that seals between the fixing member 21 and a holding member 9 that holds the oil seal 1 and the seal member 6, and the oil seal 1 is held on the inner peripheral side of the holding member 9. At the same time, the sealing member 6 is held in a groove 14 provided in the attachment surface 13 of the holding member 9 to the fixing member 21, and the tip 7 of the sealing member 6 is held in the groove 14 of the holding member 9. It protrudes forward beyond the attachment surface 13 to the fixing member 21 and below the lower end surface 17, and when attached to the fixing member 21, the tip 7 of the sealing member 6
is the protruding portion 23 of the attachment portion 22 of the fixing member 21
A sealing device characterized in that it comes into contact with an upper surface 23a and an upper surface 24a of a pedestal section 24. (2) Fixed members 31, 41 and rotating members 35, 45
The sealing device includes an oil seal 1 that seals between the rotating members 35 and 45, and a seal member 6 that seals between the fixed members 31 and 41. , while holding the oil seal 1 and the seal member 6,
a holding member 9 attached to the fixing members 31 and 41, the oil seal 1 is held on the inner peripheral side of the holding member 9, and the seal member 6 is attached to the fixing members 31 and 41 of the holding member 9. 4
1, and when attached to the fixing members 31, 41, the tip 7 of the sealing member 6 is attached to the attaching part 32 of the fixing members 31, 41.
, 42 and the top surfaces 34a, 44a of the pedestals 34, 44. (3) Fixed members 51, 61 and rotating members 55, 65
The sealing device includes an oil seal 1 that seals between the rotating members 55 and 65, and a seal member 6 that seals between the fixed members 51 and 61. , a holding member 9 that holds the oil seal 1 and the seal member 6;
The oil seal 1 includes the holding member 9.
At the same time, the sealing member 6 is held on the mounting surface 13 of the holding member 9 to the fixing members 51, 61, and
61, the tip 7 of the seal member 6
are the attachment parts 52, 62 of the fixing members 51, 61.
A sealing device characterized in that it comes into contact with inner circumferential surfaces 53a, 63a of protrusions 53, 63 and upper surfaces 54a, 6a of pedestals 54, 64. (4) The seal member 6 has an annular shape, and
The diameter of the abutting portions to the attachment portions 22, 32, 42, 52, 62 is sequentially larger than that of the attachment portions 22, 32, 42, 52, 62 to the holding members 21, 31, 41, 51, 61. 4. The sealing device according to claim 1, wherein the sealing device is formed into an enlarged shape such that the distal end portion thereof is formed into an angular shape. (5) The seal member 6 has an annular shape, and
The diameter of the abutting portions to the attachment portions 22, 32, 42, 52, 62 is sequentially larger than that of the attachment portions 22, 32, 42, 52, 62 to the holding members 21, 31, 41, 51, 61. 4. The sealing device according to claim 1, wherein the sealing device is formed into an enlarged shape such that the distal end portion 7 thereof is formed into a round shape. (6) The seal member 6 has a cylindrical shape, and
4. The sealing device according to claim 3, wherein a portion of the outer circumferential surface thereof projects radially outward, thereby providing a continuous annular projection 8 in an annular shape.