JPS6054865U

JPS6054865U - Shaft sealing device

Info

Publication number: JPS6054865U
Application number: JP1983147844U
Authority: JP
Inventors: 川村　正久
Original assignee: 川崎重工業株式会社
Priority date: 1983-09-23
Filing date: 1983-09-23
Publication date: 1985-04-17
Also published as: JPH0210372Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は本考案が適用されるショベルローダの正面図、
第２図は先行技術の軸封装置の断面図、第３図は本考案
の軸封装置の１実施例の断面図、第４図は第３図の要部
拡大図、第５図および第６図は異なる実施例の断面図、
第７図および第８図はさらに異なる実施例の断面図であ
る。５・・・軸体、６・・・軸承体、７・・・ボス体、７ｂ
・・・ボス体の端部、７ｃ・・・ボス体内周部、８．２
５．２５Ａ、２５Ｂ・・・ブツシュ、１３・・・リング
体の凹陥部、１３ａ・・・凹陥部の内周面、１３ｂ・・
・リング体の凹陥部内端面、１４，２２・・・シール部
材、２０．２０Ａ、２０Ｂ・・・リング体、２１・・・
シール用ブツシュ、２１ａ・・・シール用ブツシュの外
周面、２３・・・ボルト、２４・・・ボス体の凹陥部、
２４ａ・・・凹陥部の内端面、２５，２５Ａ、２５Ｂ・
・・ブツシュ、２５ａ・・・ブツシュの外周面。Figure 1 is a front view of a shovel loader to which the present invention is applied;
FIG. 2 is a sectional view of a shaft sealing device of the prior art, FIG. 3 is a sectional view of one embodiment of the shaft sealing device of the present invention, FIG. 4 is an enlarged view of the main part of FIG. 3, and FIGS. Figure 6 is a cross-sectional view of a different embodiment;
FIGS. 7 and 8 are cross-sectional views of further different embodiments. 5... Shaft body, 6... Shaft bearing body, 7... Boss body, 7b
...End of the boss body, 7c...Inner circumference of the boss body, 8.2
5.25A, 25B... Bush, 13... Concave part of ring body, 13a... Inner peripheral surface of concave part, 13b...
- Inner end surface of concave portion of ring body, 14, 22... Seal member, 20. 20A, 20B... Ring body, 21...
Seal bushing, 21a...outer peripheral surface of sealing bush, 23...bolt, 24...concave portion of boss body,
24a...Inner end surface of the recessed portion, 25, 25A, 25B.
... Bush, 25a... Outer peripheral surface of the bush.

Claims

[Scope of utility model registration request]

(1) A ring that is externally fitted onto the shaft and has concave portions facing the boss and concentric with the shaft on both sides of the boss that rotates on the shaft supported by the shaft bearing. A shaft sealing device in which a body is fixed to the shaft bearing body and a sealing member is interposed between the ring body and the shaft body, and a removable sealing member that is fitted into a recess of the ring body and abuts the boss body. A shaft sealing device comprising: a sealing member provided between an outer circumferential surface of the seal bushing and an inner circumferential surface of the recessed portion.

(2) The shaft sealing device according to claim 1, wherein the boss body side of the sealing bushing is in contact with an end face of the boss body.

(3) The shaft sealing device according to claim 2, wherein the sealing bushing is integrated with the end face of the boss body by bolt fastening.

(4) The boss body side of the sealing bushing is in contact with the inner end surface of a concave portion concentric with the shaft body formed on the periphery of the boss body. Shaft sealing device as described in section.