JPS61137169U - - Google Patents

Info

Publication number
JPS61137169U
JPS61137169U JP2076885U JP2076885U JPS61137169U JP S61137169 U JPS61137169 U JP S61137169U JP 2076885 U JP2076885 U JP 2076885U JP 2076885 U JP2076885 U JP 2076885U JP S61137169 U JPS61137169 U JP S61137169U
Authority
JP
Japan
Prior art keywords
rotating shaft
rim
large diameter
circumferential surface
stationary part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2076885U
Other languages
Japanese (ja)
Other versions
JPH05604Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1985020768U priority Critical patent/JPH05604Y2/ja
Publication of JPS61137169U publication Critical patent/JPS61137169U/ja
Application granted granted Critical
Publication of JPH05604Y2 publication Critical patent/JPH05604Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第１図は本案装置の一実施例の断面図、第２図
は第１図中の要部の外形図、第３図は従来装置の
断面図である。 １……回転軸、１ａ……大径部、２……シール
リング、３……静止部、４……保護カバー、５…
…すきま、６……切込、７……底面、８……廂、
９……開口、１０……風孔。 FIG. 1 is a sectional view of one embodiment of the present device, FIG. 2 is an outline view of the main parts in FIG. 1, and FIG. 3 is a sectional view of a conventional device. DESCRIPTION OF SYMBOLS 1... Rotating shaft, 1a... Large diameter part, 2... Seal ring, 3... Stationary part, 4... Protective cover, 5...
...gap, 6...cut, 7...bottom, 8...leg,
9...Opening, 10...Air hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転軸の周面とこれに対向して位置する静止部
の内周面との間に形成されるすきまを経由してダ
ストが内部に侵入するのを防止するシール装置に
おいて、回転軸のシール部の外方への延長部分を
大径部として形成し該大径部の周面に歯車状の切
込を列設構成せしめ、該切込の底面は回転軸延長
方向に向つて次第に底が浅くなる斜面として形成
され、上記静止部に廂を設けて該廂によつて上記
回転軸の大径部を切込の開口を残して包囲せしめ
、該廂に適当数の風孔を穿設したことを特徴とす
るダスト吹出装置。 In a sealing device that prevents dust from entering the interior through a gap formed between the circumferential surface of the rotating shaft and the inner circumferential surface of a stationary part located opposite thereto, the sealing part of the rotating shaft is The outwardly extending portion of the rotary shaft is formed as a large diameter portion, and gear-shaped notches are arranged in a row on the circumferential surface of the large diameter portion, and the bottom surface of the notches becomes shallower in the direction of extension of the rotating shaft. The stationary part is formed as a slope, and the stationary part is provided with a rim so that the large diameter part of the rotating shaft is surrounded by the rim, leaving a notch opening, and an appropriate number of air holes are bored in the rim. A dust blowing device featuring:
JP1985020768U 1985-02-15 1985-02-15 Expired - Lifetime JPH05604Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985020768U JPH05604Y2 (en) 1985-02-15 1985-02-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985020768U JPH05604Y2 (en) 1985-02-15 1985-02-15

Publications (2)

Publication Number Publication Date
JPS61137169U true JPS61137169U (en) 1986-08-26
JPH05604Y2 JPH05604Y2 (en) 1993-01-08

Family

ID=30511561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985020768U Expired - Lifetime JPH05604Y2 (en) 1985-02-15 1985-02-15

Country Status (1)

Country Link
JP (1) JPH05604Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006329362A (en) * 2005-05-27 2006-12-07 Hitachi Plant Technologies Ltd Sealing structure and discharging method of infiltrating water

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5977011A (en) * 1982-08-27 1984-05-02 ジ−エイ・テクノロジ−ズ・インコ−ポレ−テツド Shaft sealing apparatus
JPS5992259U (en) * 1982-12-14 1984-06-22 株式会社小松製作所 Oil seal dust intrusion prevention device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5977011A (en) * 1982-08-27 1984-05-02 ジ−エイ・テクノロジ−ズ・インコ−ポレ−テツド Shaft sealing apparatus
JPS5992259U (en) * 1982-12-14 1984-06-22 株式会社小松製作所 Oil seal dust intrusion prevention device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006329362A (en) * 2005-05-27 2006-12-07 Hitachi Plant Technologies Ltd Sealing structure and discharging method of infiltrating water
JP4715308B2 (en) * 2005-05-27 2011-07-06 株式会社日立プラントテクノロジー Seal structure and method for discharging intrusion water

Also Published As

Publication number Publication date
JPH05604Y2 (en) 1993-01-08

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