JPS6357852U - - Google Patents
Info
- Publication number
- JPS6357852U JPS6357852U JP15069886U JP15069886U JPS6357852U JP S6357852 U JPS6357852 U JP S6357852U JP 15069886 U JP15069886 U JP 15069886U JP 15069886 U JP15069886 U JP 15069886U JP S6357852 U JPS6357852 U JP S6357852U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- cylinder
- hydraulic chamber
- ratchet
- rack
- 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
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
Landscapes
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Description
第１図は本考案の実施例の側面図、第２図は第
１図線の縦断面図、第３図は従来例の縦断面
図である。
１……機関本体、２……シリンダ、３……圧縮
スプリング、４……プランジヤ油圧室、５……プ
ランジヤ、６……シユー、７……ラツク、８……
ラチエツト、９……支軸、１０……油通路、１１
……リターンスプリング、１２……シリンダ油圧
室、１３……油通路、１４……ピストン、１４１
……ストツパ、１５……開口端。
FIG. 1 is a side view of an embodiment of the present invention, FIG. 2 is a vertical sectional view along the line of FIG. 1, and FIG. 3 is a vertical sectional view of a conventional example. 1...Engine body, 2...Cylinder, 3...Compression spring, 4...Plunger hydraulic chamber, 5...Plunger, 6...Show, 7...Rack, 8...
Ratchet, 9...Spindle, 10...Oil passage, 11
... Return spring, 12 ... Cylinder hydraulic chamber, 13 ... Oil passage, 14 ... Piston, 14 1
... Stoppa, 15 ... Open end.
Claims (1)
りを与え、振動を吸収するため、チエーンＡの摺
動用シユー６を持つプランジヤ５が圧縮スプリン
グ３を介してシリンダ２のプランジヤ油圧室４に
移動可能に嵌合され、該プランジヤ５に設けたラ
ツク７と、このラツク７に噛み合うように係止さ
れ、かつプランジヤ５のチエーン押し付け方向の
みへの摺動を許すラチエツト８とを備えた油圧式
チエーン緊張装置において、前記プランジヤ油圧
室４に連通したシリンダ油圧室１２をシリンダ２
に設けると共に、該シリンダ油圧室１２に前記ラ
チエツト８に当接するストツパ１４１のあるピス
トン１４を摺動自在に設けてラチエツト８のラツ
ク７への係脱を制御するように構成したことを特
徴とするチエーン等緊張装置。 (2) 前記ピストン１が、中空円筒部を持ち、そ
の中空部に連なる開口端１５を備えてプランジヤ
油圧室４としたものであつて、前記スプリング３
を嵌挿して摺動自在にシリンダ２に嵌合装備した
ものである実用新案登録請求の範囲第１項記載の
緊張装置。 (3) 前記シリンダ油圧室１２が、シリンダ２に
設けた油通路１３でプランジヤ油圧室３に連通さ
れたものである実用新案登録請求の範囲第１項又
は第２項記載の緊張装置。 (4) 前記ラチエツト８が、支軸９で回動自在に
枢着されたレバー状片であつてリターンスプリン
グ１１でプランジヤ５のラツク７に押付けられて
いるものである実用新案登録請求の範囲第１〜３
項のいずれか一つの項記載の緊張装置。[Claims for Utility Model Registration] (1) In order to apply tension to the chain or belt that transmits power and absorb vibration, the plunger 5 having the sliding shoe 6 of the chain A is connected to the cylinder 2 via the compression spring 3. a rack 7 provided on the plunger 5, and a ratchet 8 that is engaged with and engaged with the rack 7 and allows the plunger 5 to slide only in the chain pressing direction. In the hydraulic chain tensioning device, a cylinder hydraulic chamber 12 communicating with the plunger hydraulic chamber 4 is connected to the cylinder 2.
In addition, a piston 14 having a stopper 141 that contacts the ratchet 8 is slidably provided in the cylinder hydraulic chamber 12 to control engagement and disengagement of the ratchet 8 from the rack 7. Tensioning devices such as chains. (2) The piston 1 has a hollow cylindrical portion and an open end 15 connected to the hollow portion to form a plunger hydraulic chamber 4, and the spring 3
The tensioning device according to claim 1, which is a device that is fitted and slidably fitted into the cylinder 2. (3) The tensioning device according to claim 1 or 2, wherein the cylinder hydraulic chamber 12 is communicated with the plunger hydraulic chamber 3 through an oil passage 13 provided in the cylinder 2. (4) The ratchet 8 is a lever-shaped piece rotatably mounted on a support shaft 9, and is pressed against the rack 7 of the plunger 5 by a return spring 11. 1-3
A tensioning device as described in any one of the following paragraphs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15069886U JPS6357852U (en) | 1986-10-02 | 1986-10-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15069886U JPS6357852U (en) | 1986-10-02 | 1986-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6357852U true JPS6357852U (en) | 1988-04-18 |
Family
ID=31067071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15069886U Pending JPS6357852U (en) | 1986-10-02 | 1986-10-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6357852U (en) |
-
1986
- 1986-10-02 JP JP15069886U patent/JPS6357852U/ja active Pending
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