JPH0173550U - - Google Patents
Info
- Publication number
- JPH0173550U JPH0173550U JP1987168837U JP16883787U JPH0173550U JP H0173550 U JPH0173550 U JP H0173550U JP 1987168837 U JP1987168837 U JP 1987168837U JP 16883787 U JP16883787 U JP 16883787U JP H0173550 U JPH0173550 U JP H0173550U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- pressure chamber
- piston
- autotensioner
- push rod
- 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
- 235000014676 Phragmites communis Nutrition 0.000 claims description 2
- 239000004519 grease Substances 0.000 claims 2
Landscapes
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Fluid-Damping Devices (AREA)
Description
第１図は本考案の第１の実施を示す断面図、第
２図は同上第２の実施例を示す断面図、第３図は
同上第３の実施例を示す断面図、第４図は同上の
第４の実施例を示す断面図である。
１，１９，２２，３９……シリンダ、２，１２
，２４，４４……プツシユロツド、５，１３……
ピストン、８，１６，２８，４７……調整ばね、
９，１８……前蓋、１０，３０，４６……高圧室
、１１，２７，５２……低圧室、２６，４３……
デツドピストン、１５，３１，５３……リードバ
ルブ。
FIG. 1 is a sectional view showing a first embodiment of the present invention, FIG. 2 is a sectional view showing a second embodiment of the invention, FIG. 3 is a sectional view showing a third embodiment of the invention, and FIG. It is a sectional view showing the 4th example same as the above. 1, 19, 22, 39...Cylinder, 2, 12
, 24, 44...Pushyrod, 5, 13...
Piston, 8, 16, 28, 47...adjustment spring,
9, 18... Front lid, 10, 30, 46... High pressure chamber, 11, 27, 52... Low pressure chamber, 26, 43...
Dead piston, 15, 31, 53... reed valve.
Claims (1)
持されたプツシユロツドと、上記シリンダ内に遊
嵌され、高圧室と低圧室とを区切るピストンと、
ベルト張力設定用調整ばねとからなるオートテン
シヨナであつて、上記シリンダ内にグリースを封
入し、該グリースが上記シリンダとピストンとの
隙間を通過するときの粘性抵抗により振動を吸収
するようにしたことを特徴とするオートテンシヨ
ナ。 (2) 上記ピストンに軸方向に複数の貫通孔を形
成すると共に、その高圧室側開口部にリードバル
ブを装着し、プツシユロツドのリターン側リーク
速度を高めたことを特徴とする実用新案登録請求
の範囲第１項記載のオートテンシヨナ。[Claims for Utility Model Registration] (1) A cylinder, a push rod slidably supported within the cylinder, and a piston loosely fitted within the cylinder to separate a high pressure chamber and a low pressure chamber;
The autotensioner is comprised of an adjustment spring for setting belt tension, and grease is sealed in the cylinder so that vibrations are absorbed by viscous resistance when the grease passes through the gap between the cylinder and the piston. An auto tensioner characterized by: (2) A utility model registration claim characterized in that the piston has a plurality of through holes formed in the axial direction and a reed valve is attached to the opening on the high pressure chamber side to increase the leak speed on the return side of the push rod. The autotensioner described in range 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168837U JPH0173550U (en) | 1987-11-04 | 1987-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168837U JPH0173550U (en) | 1987-11-04 | 1987-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0173550U true JPH0173550U (en) | 1989-05-18 |
Family
ID=31458363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987168837U Pending JPH0173550U (en) | 1987-11-04 | 1987-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0173550U (en) |
-
1987
- 1987-11-04 JP JP1987168837U patent/JPH0173550U/ja active Pending