JPH0441158U - - Google Patents

Description

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

第１図はこの考案による密封装置の第１の実施
例を示す概略図、第２図はこの考案による密封装
置の第２の実施例を示す概略図、第３図はこの考
案による密封装置の第３の実施例を示す概略図、
第４図はこの考案による密封装置の第４の実施例
を示す概略図、第５図はオイルシールの弾性材の
シール部の変形例を示す概略図、第６図はリテー
ナの取付け部の変形例を示す概略図、第７図はリ
テーナのかしめ部の変形例を示す概略図、第８図
および第９図はかしめ部の一部をかしめた状態を
示す概略図、第１０図および第１１図はかしめの
例を示す概略図、第１２図はオイルシールの弾性
材の変形例を示す概略図、第１３図は従来の密封
装置を示す概略図である。 １，１１，２１，３１，４１……密封装置、２
，１２，４２……リテーナ、３，１３，４３……
オイルシール、４，１４，４４……相手部材、５
，１５，４５……取付け部、５ａ，１５ａ……大
径部、５ｂ，１５ｂ……テーパ部、５ｃ，１５ｃ
……固定端面、５ｄ，１５ｄ……平坦面、５ｅ，
１５ｅ……小径部、６，１６……補強板、７，１
７……かしめ部、８，１８……弾性材、９，１９
，４９……回転軸、１８ａ……リツプ部、１８ｂ
……シール部、２０……スリンガ、２０ａ……起
立部、３０……突出部。 FIG. 1 is a schematic diagram showing a first embodiment of the sealing device according to this invention, FIG. 2 is a schematic diagram showing a second embodiment of the sealing device according to this invention, and FIG. 3 is a schematic diagram showing a second embodiment of the sealing device according to this invention. A schematic diagram showing a third embodiment,
Fig. 4 is a schematic diagram showing a fourth embodiment of the sealing device according to this invention, Fig. 5 is a schematic diagram showing a modification of the elastic material sealing part of the oil seal, and Fig. 6 is a modification of the retainer mounting part. FIG. 7 is a schematic diagram showing a modified example of the caulking portion of the retainer; FIGS. 8 and 9 are schematic diagrams showing a state in which a portion of the caulking portion is caulked; FIG. 10 and FIG. The figure is a schematic diagram showing an example of caulking, FIG. 12 is a schematic diagram showing a modification of the elastic material of the oil seal, and FIG. 13 is a schematic diagram showing a conventional sealing device. 1, 11, 21, 31, 41...Sealing device, 2
, 12, 42... retainer, 3, 13, 43...
Oil seal, 4, 14, 44...Mating member, 5
, 15, 45... Attachment part, 5a, 15a... Large diameter part, 5b, 15b... Taper part, 5c, 15c
...Fixed end surface, 5d, 15d...Flat surface, 5e,
15e... Small diameter part, 6, 16... Reinforcement plate, 7, 1
7... Caulked part, 8, 18... Elastic material, 9, 19
, 49... Rotating shaft, 18a... Lip portion, 18b
... Seal part, 20 ... Slinger, 20a ... Standing part, 30 ... Projection part.

補正 平２．１２．２８ 図面の簡単な説明を次のように補正する。 同書第２０頁第１５行目〜第１６行目の「第１３
図は従来の密封装置を示す概略図である。」を「
第１３図はリテーナの取付け部の変形例を示す概
略図、第１４図は従来の密封装置を示す概略図で
ある。」と補正する。Amendment 12/28/2012 The brief description of the drawing is amended as follows. “13th
The figure is a schematic diagram showing a conventional sealing device. "of"
FIG. 13 is a schematic diagram showing a modified example of the attachment portion of the retainer, and FIG. 14 is a schematic diagram showing a conventional sealing device. ” he corrected.

Claims (1)

【実用新案登録請求の範囲】 (1) エンジンブロツク等の相手部材４と、この
相手部材４の内部空間部から突出するクランクシ
ヤフト等の回転軸９との間を密封する密封装置１
，２１であつて、該密封装置１，２１は、前記相
手部材４に取付けられるリテーナ２と、オイルシ
ール３とを具え、該オイルシール３は内周面が前
記回転軸９に被嵌するとともに、前記リテーナ２
に当接するシール部８ｂを有する弾性材８と、内
周部が前記弾性材８に埋設されている環状の補強
板６とからなり、該補強板６が前記リテーナ２に
かしめ固定されることで、前記オイルシール３と
リテーナ２とが一体となつていることを特徴とす
る密封装置。 (2) エンジンブロツク等の相手部材１４と、こ
の相手部材１４の内部空間部から突出するクラン
クシヤフト等の回転軸１９との間を密封する密封
装置１１，３１であつて、該密封装置１１，３１
は、相手部材１４に取付けられるリテーナ１２と
、オイルシール１３とを具え、前記オイルシール
１３は、前記回転軸１９に被嵌可能であるととも
に、一端に円板状の起立部２０ａが一体に形成さ
れているスリンガ２０と、前記スリンガ２０の起
立部２０ａに当接するリツプ部 １８ａおよび前記リテーナ１２に当接するシー
ル部１８ａを有する弾性材１８と、内周部が弾性
材１８に埋設されている補強板１６とからなり、
該補強板１６が前記リテーナ１２にかしめ固定さ
れていることで、前記オイルシール１３とリテー
ナ１２とが一体となつていることを特徴とする密
封装置。 (3) 前記リテーナ２，１２にオイルシール３，
１３が位置し得る中空部が形成され、この中空部
の内周にかしめ部７，１７が設けられ、該かしめ
部７，１７を屈曲することでオイルシール３，１
３をかしめ固定するようになつている請求項１，
２記載の密封装置。 (4) 前記リテーナ２，１２にオイルシール３，
１３が位置し得る中空部が形成され、この中空部
の内周に所定の間隔をおいてかしめ部７，１７が
形成され、該かしめ部７，１７を屈曲することで
オイルシール３，１３をかしめ固定するようにな
つている請求項１，２記載の密封装置。 (5) 前記補強板６，１６は、弾性材８，１８に
対して傾斜して設けられている請求項１，２，３
，４記載の密封装置。[Claims for Utility Model Registration] (1) Sealing device 1 that seals between a mating member 4 such as an engine block and a rotating shaft 9 such as a crankshaft protruding from the internal space of this mating member 4
, 21, the sealing devices 1, 21 include a retainer 2 attached to the mating member 4, and an oil seal 3, the inner peripheral surface of which is fitted onto the rotating shaft 9, and , the retainer 2
It consists of an elastic member 8 having a seal portion 8b that comes into contact with the elastic member 8, and an annular reinforcing plate 6 whose inner peripheral portion is embedded in the elastic member 8.The reinforcing plate 6 is fixed to the retainer 2 by caulking. , a sealing device characterized in that the oil seal 3 and the retainer 2 are integrated. (2) A sealing device 11, 31 that seals between a mating member 14 such as an engine block and a rotating shaft 19 such as a crankshaft protruding from the internal space of the mating member 14, the sealing device 11, 31
comprises a retainer 12 attached to a mating member 14 and an oil seal 13, the oil seal 13 can be fitted onto the rotating shaft 19, and a disc-shaped upright portion 20a is integrally formed at one end. a slinger 20, an elastic member 18 having a lip portion 18a that contacts the upright portion 20a of the slinger 20, and a seal portion 18a that contacts the retainer 12; Consisting of a plate 16,
A sealing device characterized in that the reinforcing plate 16 is caulked and fixed to the retainer 12, so that the oil seal 13 and the retainer 12 are integrated. (3) Oil seals 3,
A hollow portion is formed in which the oil seal 13 can be placed, and caulked portions 7 and 17 are provided on the inner periphery of this hollow portion, and by bending the caulked portions 7 and 17, the oil seals 3 and 1
Claim 1, wherein 3 is fixed by caulking.
2. The sealing device according to 2. (4) An oil seal 3 is attached to the retainer 2, 12,
A hollow part is formed in which the oil seal 13 can be placed, and caulked parts 7 and 17 are formed at a predetermined interval on the inner periphery of this hollow part, and by bending the caulked parts 7 and 17, the oil seals 3 and 13 can be attached. 3. The sealing device according to claim 1, wherein the sealing device is adapted to be fixed by caulking. (5) Claims 1, 2, and 3, wherein the reinforcing plates 6, 16 are provided at an angle with respect to the elastic members 8, 18.
The sealing device according to , 4.