JPH0333252U - - Google Patents
Info
- Publication number
- JPH0333252U JPH0333252U JP9452389U JP9452389U JPH0333252U JP H0333252 U JPH0333252 U JP H0333252U JP 9452389 U JP9452389 U JP 9452389U JP 9452389 U JP9452389 U JP 9452389U JP H0333252 U JPH0333252 U JP H0333252U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- pressure
- cylinder
- reservoir chamber
- chamber
- 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)
- Fluid-Damping Devices (AREA)
Description
第１図は第１実施例の断面図、第２図は第２実
施例の断面図、第３図は従来例の断面図である。
１……シリンダ、２……プランジヤ、３……圧
力室、４……リザーバ室、５……段付き孔、６…
…ロツド、７，８……通路、９……突出部、１０
……チエツクバルブ、１１……リテーナ、１２…
…段部、１３……オイルシール、１４……軸受、
１５……下部ばね受け、１６……上部ばね受け、
１７……張力用スプリング、２０……内周溝、２
１……止め輪、２２……孔、２３……リザーバタ
ンク、２４……ダイヤフラム。
FIG. 1 is a sectional view of the first embodiment, FIG. 2 is a sectional view of the second embodiment, and FIG. 3 is a sectional view of the conventional example. 1... Cylinder, 2... Plunger, 3... Pressure chamber, 4... Reservoir chamber, 5... Stepped hole, 6...
... Rod, 7, 8 ... Passage, 9 ... Projection, 10
...Check valve, 11...Retainer, 12...
...Stepped portion, 13...Oil seal, 14...Bearing,
15... lower spring receiver, 16... upper spring receiver,
17... Tension spring, 20... Inner circumferential groove, 2
1... Retaining ring, 22... Hole, 23... Reservoir tank, 24... Diaphragm.
Claims (1)
ジヤを挿入し、そのプランジヤによつてシリンダ
内部をプランジヤ下部の圧力室とプランジヤ上部
のリザーバ室とに区画し、プランジヤに圧力室と
リザーバ室とを連通する通路を形成し、その通路
に圧力室の圧力がリザーバ室の圧力より低くなつ
たとき通路を開放するチエツクバルブを設け、上
記プランジヤのロツドをリザーバ室に設けたオイ
ルシールに貫通せしめてシリンダ外部に突出させ
、上記ロツドに外向きの付勢力を付与する張力用
スプリングをリザーバ室に組込んでなる油圧式オ
ートテンシヨナにおいて、上記のプランジヤとロ
ツドとを一体化すると共に、チエツクバルブを保
持するリテーナをプランジヤに固着したことを特
徴とする油圧式オートテンシヨナ。 A plunger is inserted into the cylinder with a required leak clearance, the plunger divides the inside of the cylinder into a pressure chamber at the bottom of the plunger and a reservoir chamber at the top of the plunger, and a passage is provided in the plunger that communicates the pressure chamber and the reservoir chamber. A check valve is provided in the passageway to open the passageway when the pressure in the pressure chamber becomes lower than the pressure in the reservoir chamber, and the rod of the plunger is passed through an oil seal provided in the reservoir chamber to protrude outside the cylinder. In a hydraulic autotensioner, the plunger and the rod are integrated, and a retainer for holding the check valve is provided. A hydraulic auto tensioner that is fixed to the plunger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9452389U JPH0333252U (en) | 1989-08-10 | 1989-08-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9452389U JPH0333252U (en) | 1989-08-10 | 1989-08-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0333252U true JPH0333252U (en) | 1991-04-02 |
Family
ID=31643848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9452389U Pending JPH0333252U (en) | 1989-08-10 | 1989-08-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0333252U (en) |
-
1989
- 1989-08-10 JP JP9452389U patent/JPH0333252U/ja active Pending
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