JPS6425557U - - Google Patents
Info
- Publication number
- JPS6425557U JPS6425557U JP11978487U JP11978487U JPS6425557U JP S6425557 U JPS6425557 U JP S6425557U JP 11978487 U JP11978487 U JP 11978487U JP 11978487 U JP11978487 U JP 11978487U JP S6425557 U JPS6425557 U JP S6425557U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- housing
- check ball
- oil chamber
- 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
Links
Landscapes
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Description
第１図は本考案の第１実施例のラチエツト併用
油圧チエツクボール式テンシヨナの断面図を表わ
しカム軸駆動用サイレントチエーンに使用した例
、第２図は本考案の第２実施例であり、バツクラ
ツシユを有するラチエツトを装着し、オリフイス
をそなえた油圧チエツクボール式テンシヨナの断
面図、第３図は従来の油圧チエツクボール式テン
シヨナの断面図である。
１０，４０…テンシヨナ、１２，４２…ハウジ
ング、１４…プランジヤ、１４ａ…ラツク、１６
…スプリング、２０…ボール、２４…ボールシー
ト、２６，２８…油路、３０，４４…ラチエツト
、３２…スプリング、３４…油室、３６…テンシ
ヨナシユー、３８…チエーン、４８…オリフイス
。
Fig. 1 shows a sectional view of a hydraulic check ball type tensioner combined with a ratchet according to the first embodiment of the present invention, and shows an example in which it is used in a silent chain for driving a camshaft. Fig. 2 shows a second embodiment of the present invention. FIG. 3 is a cross-sectional view of a conventional hydraulic check-ball tensioner equipped with a ratchet and an orifice. 10,40...Tensioner, 12,42...Housing, 14...Plunger, 14a...Rack, 16
...Spring, 20...Ball, 24...Ball seat, 26, 28...Oil passage, 30, 44...Ratchet, 32...Spring, 34...Oil chamber, 36...Tensioner, 38...Chain, 48...Orifice.
Claims (1)
摺動自在に、かつ、スプリングによつて突出方向
に付勢するように取付け、前記ハウジングと油室
との間に前記油室への油の流入を許し流出を阻止
するチエツクボール機構を設けた油圧チエツクボ
ール式テンシヨナにおいて、 前記プランジヤは外面にラツクが形成され、 前記ラツクには、前記ハウジングに軸支され前
記突出方向と逆方向にスプリングで付勢されるラ
チエツトが噛み合うようにした、 ラチエツト併用油圧チエツクボール式テンシヨ
ナ。[Claims for Utility Model Registration] A plunger having an oil chamber inside is attached to the housing so as to be slidable and biased in the projecting direction by a spring, and the plunger is provided between the housing and the oil chamber. In a hydraulic check ball tensioner equipped with a check ball mechanism that allows oil to flow into the oil chamber and prevents oil from flowing out, the plunger has a rack formed on its outer surface, and the rack is pivotally supported by the housing and extends in the projecting direction. A hydraulic check ball type tensioner with a ratchet that engages with a ratchet that is biased by a spring in the opposite direction.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11978487U JPS6425557U (en) | 1987-08-06 | 1987-08-06 | |
| US07/172,314 US4874352A (en) | 1987-08-06 | 1988-03-23 | Fluidic tensioner |
| US07/354,464 US4881927A (en) | 1987-08-06 | 1989-05-19 | Fluidic tensioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11978487U JPS6425557U (en) | 1987-08-06 | 1987-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6425557U true JPS6425557U (en) | 1989-02-13 |
Family
ID=31365316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11978487U Pending JPS6425557U (en) | 1987-08-06 | 1987-08-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6425557U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19707498B4 (en) * | 1996-02-27 | 2010-12-23 | Ntn Corp. | Chain tensioner and chain drive |
| DE19715930B4 (en) * | 1996-04-17 | 2011-01-27 | Ntn Corp. | chain tensioner |
-
1987
- 1987-08-06 JP JP11978487U patent/JPS6425557U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19707498B4 (en) * | 1996-02-27 | 2010-12-23 | Ntn Corp. | Chain tensioner and chain drive |
| DE19715930B4 (en) * | 1996-04-17 | 2011-01-27 | Ntn Corp. | chain tensioner |