JPS6348043U - - Google Patents
Info
- Publication number
- JPS6348043U JPS6348043U JP14220186U JP14220186U JPS6348043U JP S6348043 U JPS6348043 U JP S6348043U JP 14220186 U JP14220186 U JP 14220186U JP 14220186 U JP14220186 U JP 14220186U JP S6348043 U JPS6348043 U JP S6348043U
- Authority
- JP
- Japan
- Prior art keywords
- shock absorber
- pressure chamber
- piston rod
- valve
- annular groove
- 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.)
- Granted
Links
- 239000006096 absorbing agent Substances 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Fluid-Damping Devices (AREA)
Description
第１図は本考案の一実施例に係るシヨツクアブ
ソーバ一部破断して示す正面図、第２図はその要
部を拡大して示す断面図、第３図は従来例を第２
図と同様に示す断面図である。
１…シリンダ、２…ピストン部、３…ピストン
ロツド、２１…リーフバルブ、２３…弁体、２４
…スプリング、２６…ノンリタンバルブ、２６ａ
…オリフイス、３２…ピストンナツト、３４…ス
プール、Ａ…上方室、Ｂ…下方室。
FIG. 1 is a partially cutaway front view of a shock absorber according to an embodiment of the present invention, FIG.
It is a sectional view shown similarly to a figure. DESCRIPTION OF SYMBOLS 1...Cylinder, 2...Piston part, 3...Piston rod, 21...Leaf valve, 23...Valve body, 24
...Spring, 26...Non-return valve, 26a
...Orifice, 32...Piston nut, 34...Spool, A...Upper chamber, B...Lower chamber.
Claims (1)
附勢された弁体を背面に当接させたリーフバルブ
によつて発生される減衰力がシリンダ内の振動周
波数に依存して可変とされるように形成されてな
るシヨツクアブソーバにおいて、スプリングはピ
ストンロツドの下端に螺合されたピストンナツト
の外周に上下方向摺動自在に介装されたスプール
に支持されてなると共に、ピストンロツド内には
シリンダ内上方室とノンリタンバルブに穿設され
たオリフイスを介して連通する一次遅れの圧力室
が形成されてなり、かつ、当該圧力室の圧力が上
記スプールの下面に導かれるように形成されてな
ることを特徴とするシヨツクアブソーバ。 (2) リーフバルブが伸側バルブとされてなる実
用新案登録請求の範囲第１項記載のシヨツクアブ
ソーバ。 (3) ノンリタンバルブがピストンロツド内の圧
力室の上端側を閉塞するように当該ピストンロツ
ドの下端インロー部外周に配設されたデイスク部
材の上面に配設されてなる実用新案登録請求の範
囲第１項記載のシヨツクアブソーバ。 (4) ピストンナツトの外周側上端面にはピスト
ンロツド内の圧力室と連通する環状溝が形成され
てなると共に、当該環状溝を覆うようにスプール
が隣接されてなる実用新案登録請求の範囲第１項
記載のシヨツクアブソーバ。 (5) シリンダ内の振動周波数が一定の領域を超
えると一次遅れの圧力室内における油圧が低下す
ることとなるように形成されてなる実用新案登録
請求の範囲第１項記載のシヨツクアブソーバ。[Claims for Utility Model Registration] (1) The damping force generated by the leaf valve, whose back surface is in contact with the valve body which is urged upward by a spring from below, increases the vibration frequency within the cylinder. In a shock absorber configured to be variable depending on A first-order lag pressure chamber is formed in the piston rod and communicates with the upper chamber in the cylinder via an orifice drilled in the non-return valve, and the pressure in the pressure chamber is guided to the lower surface of the spool. A shock absorber characterized by being formed as follows. (2) The shock absorber according to claim 1, wherein the leaf valve is an extension valve. (3) Scope of Utility Model Registration Claim 1, in which a non-return valve is disposed on the upper surface of a disk member disposed on the outer periphery of the lower end spigot part of the piston rod so as to close the upper end side of the pressure chamber within the piston rod. Shock absorber as described in section. (4) Utility model registration claim 1, in which an annular groove communicating with the pressure chamber in the piston rod is formed on the upper end surface of the outer peripheral side of the piston nut, and a spool is adjacent to the annular groove so as to cover the annular groove. Shock absorber as described in section. (5) The shock absorber according to claim 1, which is formed so that when the vibration frequency in the cylinder exceeds a certain range, the oil pressure in the first-order lag pressure chamber decreases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986142201U JPH0443633Y2 (en) | 1986-09-17 | 1986-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986142201U JPH0443633Y2 (en) | 1986-09-17 | 1986-09-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6348043U true JPS6348043U (en) | 1988-04-01 |
| JPH0443633Y2 JPH0443633Y2 (en) | 1992-10-15 |
Family
ID=31050700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986142201U Expired JPH0443633Y2 (en) | 1986-09-17 | 1986-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0443633Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02124674A (en) * | 1988-11-02 | 1990-05-11 | Ricoh Co Ltd | Facsimile equipment |
| JP2018514728A (en) * | 2015-04-24 | 2018-06-07 | コニ・ビー．ブイ．Ｋｏｎｉ Ｂ．Ｖ． | Frequency selective damper valve and shock absorber with such a damper valve |
| JP2018518644A (en) * | 2015-06-26 | 2018-07-12 | ツェットエフ、フリードリッヒスハーフェン、アクチエンゲゼルシャフトＺｆ Ｆｒｉｅｄｒｉｃｈｓｈａｆｅｎ Ａｇ | Frequency dependent damping valve device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5078574B2 (en) * | 2007-11-28 | 2012-11-21 | 株式会社ショーワ | Damping force adjustment structure of hydraulic shock absorber |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58163843A (en) * | 1982-03-19 | 1983-09-28 | Showa Mfg Co Ltd | Damping force generator of hydraulic damper |
-
1986
- 1986-09-17 JP JP1986142201U patent/JPH0443633Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58163843A (en) * | 1982-03-19 | 1983-09-28 | Showa Mfg Co Ltd | Damping force generator of hydraulic damper |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02124674A (en) * | 1988-11-02 | 1990-05-11 | Ricoh Co Ltd | Facsimile equipment |
| JP2018514728A (en) * | 2015-04-24 | 2018-06-07 | コニ・ビー．ブイ．Ｋｏｎｉ Ｂ．Ｖ． | Frequency selective damper valve and shock absorber with such a damper valve |
| JP2018518644A (en) * | 2015-06-26 | 2018-07-12 | ツェットエフ、フリードリッヒスハーフェン、アクチエンゲゼルシャフトＺｆ Ｆｒｉｅｄｒｉｃｈｓｈａｆｅｎ Ａｇ | Frequency dependent damping valve device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0443633Y2 (en) | 1992-10-15 |