JPH0266764U

JPH0266764U -

Info

Publication number: JPH0266764U
Application number: JP1988143976U
Authority: JP
Priority date: 1988-11-01
Filing date: 1988-11-01
Publication date: 1990-05-21

Description

[Brief explanation of drawings]

第１図は、本考案の組合せシールの断面図であ
る。第２図および第３図は、本考案の組合せシー
ルの実施例を示した断面図である。第４図および
第５図は、従来の組合せシールの断面図である。１……第１密封要素、２……第２密封要素、３
……ラジアルシールリツプ、４……シールリツプ
、５……シールリツプ、６……シールリツプ、７
……軸部、８……外周環部、９……折り曲げ部、
１０……弾性シール部材、１１……内周環部、１
２……溝環部、１３……弾性シール部材。 FIG. 1 is a sectional view of the combination seal of the present invention. 2 and 3 are cross-sectional views showing an embodiment of the combination seal of the present invention. 4 and 5 are cross-sectional views of conventional combination seals. 1...First sealing element, 2...Second sealing element, 3
... Radial seal lip, 4 ... Seal lip, 5 ... Seal lip, 6 ... Seal lip, 7
... shaft part, 8 ... outer ring part, 9 ... bending part,
10...Elastic sealing member, 11...Inner peripheral ring part, 1
2...Groove ring portion, 13...Elastic sealing member.

Claims

[Claims for Utility Model Registration] (1) A first sealing element 1 having a generally L-shaped annular cross section fixed to the housing, and a second sealing element 2 having a generally inverted L-shaped annular cross section fixed to the shaft. combination,
Forming seal lips each made of an elastic body and fixed to the sealing elements 1 and 2 that rotate relative to each other,
In a combination seal that is in sliding contact with the other member; the first sealing element 1 has an inwardly directed, centrally directed radial sealing lip 3, and a sealing lip 4 that is in sliding contact with the inner circumferential side of the second sealing element 2; In addition, the second sealing element 2 is provided with sealing lips 5 and 6 whose tips face outward, and the sealing lip 5 is in sliding contact with the inner circumferential surface of the first sealing element 1. is a radial lip that slides in sliding contact with the first sealing element 1 in the radial direction. (2) Radial seal lip 3 of first sealing element 1
The combination seal according to claim 1, wherein the seal lip is in sliding contact with the shaft portion 7 of the bearing. (3) The outer side of the outer ring portion 8 of the first sealing element 1 is bent radially outward, and an elastic sealing member 10 is attached or attached to the inside of the bent portion 9. The combination seal described in item 1. (4) The radial seal lip 3 provided on the first sealing element 1 is omitted, and the inner peripheral ring portion 11 of the second sealing element 2 is omitted.
The combination seal according to claim 1, which is a registered utility model, wherein a groove ring portion 12 is provided in the groove ring portion 11, and an elastic seal member 13 is provided in the groove ring portion 11.