JPH0246159U - - Google Patents

Info

Publication number
JPH0246159U
JPH0246159U JP12582888U JP12582888U JPH0246159U JP H0246159 U JPH0246159 U JP H0246159U JP 12582888 U JP12582888 U JP 12582888U JP 12582888 U JP12582888 U JP 12582888U JP H0246159 U JPH0246159 U JP H0246159U
Authority
JP
Japan
Prior art keywords
oil chamber
rod
autotensioner
plunger
oil
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.)
Pending
Application number
JP12582888U
Other languages
Japanese (ja)
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 JP12582888U priority Critical patent/JPH0246159U/ja
Publication of JPH0246159U publication Critical patent/JPH0246159U/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
    • F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
    • F16H7/1254—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means
    • F16H7/1281—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means where the axis of the pulley moves along a substantially circular path

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Description

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

第１図は本考案の実施例を示すオートテンシヨ
ナを装着したエンジンベルトのレイアウトを示す
側面図、第２図は本考案の実施例を示すオートテ
ンシヨナの側断面図、第３図は従来のオートテン
シヨナの側断面図である。 図の主要部分の説明、ｈ……テンシヨナ、ｉ…
…ベルト、１……ボデー、２……プランジヤ、３
……ピストン、７……リテーナ、８……ボール、
１０……スプリング、１１……ロツド、１３……
スプリング、１４……第１ロツドガイド（ガイド
部材）、１６……第２ロツドガイド（ガイド部材
）、１７……スナツプリング、１８……第１油室
、１９……第２油室、２０……穴。 Fig. 1 is a side view showing the layout of an engine belt equipped with an autotensioner according to an embodiment of the present invention, Fig. 2 is a side sectional view of the autotensioner showing an embodiment of the invention, and Fig. 3 is a conventional one. FIG. 3 is a side sectional view of the autotensioner of FIG. Explanation of the main parts of the diagram, h...tensioner, i...
...Belt, 1...Body, 2...Plunger, 3
...piston, 7...retainer, 8...ball,
10... Spring, 11... Rod, 13...
Spring, 14...first rod guide (guide member), 16...second rod guide (guide member), 17...snap spring, 18...first oil chamber, 19...second oil chamber, 20...hole.

Claims (1)

【実用新案登録請求の範囲】 (1) ボデー内に摺動自在に挿入され、該ボデー
底部の第１油室に一端が面し、他端側の第２油室
に向けて付勢されたプランジヤ、前記ボデーから
突出したロツド、該ロツドとシール材を介してシ
ールされ、前記ボデー内に別のシール材を介して
摺動自在に挿入されると共に、一端が前記第２油
室に面し、かつ該第２油室に向けて付勢されたピ
ストン、前記第２油室から第１油室へのオイルの
流入はゆるすが、その逆流はゆるさない逆止弁を
有する前記プランジヤに設けられた通路とよりな
る密封式オートテンシヨナにおいて、前記ロツド
は前記プランジヤと一端が当接するよう該プラン
ジヤと別体で、かつ小径に形成されると共に、ガ
イド部材によりガイドされていることを特徴とす
るオートテンシヨナ。 (2) 第１項記載のオートテンシヨナにおいて、
小径ロツドがスナツプリングを介して抜け出さな
いようにしたことを特徴とするオートテンシヨナ
。 (3) 第１項記載のオートテンシヨナにおいて、
プランジヤとロツドの当接部の何れか一方を凸曲
面としたことを特徴とするオートテンシヨナ。[Claims for Utility Model Registration] (1) It is slidably inserted into the body, one end faces the first oil chamber at the bottom of the body, and is biased toward the second oil chamber at the other end. a plunger, a rod protruding from the body, sealed with the rod via a sealing material, slidably inserted into the body via another sealing material, and having one end facing the second oil chamber; and a piston urged toward the second oil chamber, and a check valve that allows oil to flow from the second oil chamber into the first oil chamber but does not allow oil to flow backward. In the sealed autotensioner, the rod is formed separately from the plunger and has a small diameter so that one end comes into contact with the plunger, and is guided by a guide member. auto tensioner. (2) In the autotensioner described in paragraph 1,
An auto tensioner characterized by a small diameter rod that is prevented from slipping out via a snap spring. (3) In the autotensioner described in paragraph 1,
An autotensioner characterized in that one of the abutting parts of the plunger and the rod has a convex curved surface.
JP12582888U 1988-09-27 1988-09-27 Pending JPH0246159U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12582888U JPH0246159U (en) 1988-09-27 1988-09-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12582888U JPH0246159U (en) 1988-09-27 1988-09-27

Publications (1)

Publication Number Publication Date
JPH0246159U true JPH0246159U (en) 1990-03-29

Family

ID=31376778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12582888U Pending JPH0246159U (en) 1988-09-27 1988-09-27

Country Status (1)

Country Link
JP (1) JPH0246159U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4027171A1 (en) * 1989-09-22 1991-04-04 Aisin Seiki TENSIONING ELEMENT FOR A BELT TENSIONER

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4027171A1 (en) * 1989-09-22 1991-04-04 Aisin Seiki TENSIONING ELEMENT FOR A BELT TENSIONER
DE4027171C2 (en) * 1989-09-22 1995-06-22 Aisin Seiki Belt tensioner

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