JPS6187776U

JPS6187776U -

Info

Publication number: JPS6187776U
Application number: JP17241384U
Authority: JP
Priority date: 1984-11-15
Filing date: 1984-11-15
Publication date: 1986-06-09

Description

[Brief explanation of the drawing]

第１図は第１実施例のシール形状図、第２図は
第２実施例のシール形状図、第３図は第３実施例
の構造図、第４〜９図は従来例で第４図はシール
部形状図、第５図は動力舵取装置の全体縦断面図
、第６図は第５図のＡ−Ａ断面図、第７図は第６
図の詳細図、第８図はシール部の詳細図、第９図
は圧力室付近の拡大図、第１０図は本考案の実施
例と従来例の性能比較図である。６…スリーブバルブ、８…バルブハウジング、
２０ａ，２０ｂ，２０ｃ，２０ｄ…シール、５２
…補助シール。 Figure 1 is a seal shape diagram of the first embodiment, Figure 2 is a seal shape diagram of the second embodiment, Figure 3 is a structural diagram of the third embodiment, and Figures 4 to 9 are conventional examples. 5 is a longitudinal sectional view of the entire power steering device, FIG. 6 is a sectional view taken along line A-A in FIG. 5, and FIG.
8 is a detailed view of the seal portion, FIG. 9 is an enlarged view of the vicinity of the pressure chamber, and FIG. 10 is a performance comparison between the embodiment of the present invention and the conventional example. 6...Sleeve valve, 8...Valve housing,
20a, 20b, 20c, 20d...Seal, 52
...Auxiliary seal.

Claims

[Claims for Utility Model Registration] 1. Sleeve valve 6 and valve housing 8
A seal structure for a power steering device in which a means for reducing sliding resistance is provided on a seal member that comes into contact with the power steering device. 2. The seal for the power steering device according to claim 1, wherein the means for reducing sliding resistance is chamfering at least two faces of the seal corner on the sleeve valve side or the valve housing side. structure. 3. Utility model registration claim 1, wherein the means for reducing the sliding resistance is an auxiliary seal such as Teflon or nylon inserted between the sleeve valve or valve housing and the seal member and fixed to the seal member. Seal structure of the power steering device described in .