JPS63121839U - - Google Patents
Info
- Publication number
- JPS63121839U JPS63121839U JP1272387U JP1272387U JPS63121839U JP S63121839 U JPS63121839 U JP S63121839U JP 1272387 U JP1272387 U JP 1272387U JP 1272387 U JP1272387 U JP 1272387U JP S63121839 U JPS63121839 U JP S63121839U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- peripheral end
- leaf valve
- shock absorber
- opening
- 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 6
- 230000035939 shock Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 6
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例に係るシヨツクアブ
ソーバを部分的に示す縦断面図、第２図はチエツ
ク弁たる下方および上方のリーフバルブを示す平
面図、第３図はチエツク弁たる上下のリーフバル
ブの作動状態を拡大して示す部分断面図、第４図
は従来例としてのシヨツクアブソーバを部分的に
示す一部断面正面図、第５図は従来例のチエツク
弁としての上下のリーフバルブを第２図と同様に
示す図、第６図は従来例のチエツク弁たる上下の
リーフバルブの作動状態を第３図と同様に示す図
である。
１……シリンダ、２……ピストン部、３……ピ
ストンロツド、４……ベースバルブ部、２０……
ピストン本体、２１，４１……チエツク弁、２２
……減衰バルブ、４０……バルブデイスク、Ａ…
…上方油室、Ｂ……下方油室、Ｌ１……下方のリ
ーフバルブ、Ｌ２……上方のリーフバルブ、ｌ１
……切り欠き孔、ｌ２，ｌ３……開口、ｌ６……
小孔。
Fig. 1 is a longitudinal sectional view partially showing a shock absorber according to an embodiment of the present invention, Fig. 2 is a plan view showing lower and upper leaf valves serving as a check valve, and Fig. 3 shows upper and lower leaf valves serving as a check valve. Fig. 4 is a partially sectional front view partially showing a conventional shock absorber, and Fig. 5 shows upper and lower leaf valves as conventional check valves. FIG. 6 is a diagram showing the operating state of the upper and lower leaf valves, which are conventional check valves, in the same way as FIG. 3. 1... Cylinder, 2... Piston part, 3... Piston rod, 4... Base valve part, 20...
Piston body, 21, 41...Check valve, 22
...damping valve, 40...valve disc, A...
...Upper oil chamber, B...Lower oil chamber, L1 ...Lower leaf valve, L2 ...Upper leaf valve, L1
...notch hole, l 2 , l 3 ... opening, l 6 ...
Small hole.
Claims (1)
ト面に隣接される下方のリーフバルブと、内周端
固定で外周端自由となるように上記下方のリーフ
バルブの背面に隣接される上方のリーフバルブと
からなるチエツク弁を有するシヨツクアブソーバ
において、シート面には外側溝と内側溝とを有し
てなると共に、下方のリーフバルブはその外周端
に上記外側溝に開口する切り欠き孔を有し、その
内周端側肉厚部に上記内側溝に対向する開口を有
し、かつ、その外周端側肉厚部に上記外側溝に対
向する小孔を有してなり、上方のリーフバルブは
その内周端側肉厚部に上記下方のリーフバルブの
開口に対向する開口を有してなることを特徴とす
るシヨツクアブソーバ。 (2) シート面がシリンダ内ピストン部における
ピストン本体の上端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。 (3) シート面がシリンダ内ベースバルブ部にお
けるバルブデイスクの上端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) A lower leaf valve that is adjacent to the seat surface so that the inner peripheral end is fixed and the outer peripheral end is free; In a shock absorber having a check valve consisting of an upper leaf valve adjacent to the back surface of the leaf valve, the seat surface has an outer groove and an inner groove, and the lower leaf valve has the above-mentioned check valve at its outer peripheral end. A small hole having a cutout hole opening into the outer groove, having an opening facing the inner groove in the thick part on the inner peripheral end thereof, and facing the outer groove in the thick part on the outer peripheral end thereof. 1. A shock absorber comprising: an upper leaf valve having an opening in a thick wall portion on an inner peripheral end side of the upper leaf valve, the opening facing the opening of the lower leaf valve. (2) The shock absorber according to claim 1, wherein the seat surface is formed at the upper end of the piston body in the piston portion within the cylinder. (3) The shock absorber according to claim 1, wherein the seat surface is formed at the upper end of the valve disk in the cylinder base valve portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1272387U JPH0348431Y2 (en) | 1987-01-30 | 1987-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1272387U JPH0348431Y2 (en) | 1987-01-30 | 1987-01-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63121839U true JPS63121839U (en) | 1988-08-08 |
| JPH0348431Y2 JPH0348431Y2 (en) | 1991-10-16 |
Family
ID=30801118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1272387U Expired JPH0348431Y2 (en) | 1987-01-30 | 1987-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0348431Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020040312A (en) * | 2000-11-24 | 2002-05-30 | 밍 루 | Piston valve of a shock absorber |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010002004A (en) * | 2008-06-20 | 2010-01-07 | Showa Corp | Check valve structure of hydraulic shock absorber |
-
1987
- 1987-01-30 JP JP1272387U patent/JPH0348431Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020040312A (en) * | 2000-11-24 | 2002-05-30 | 밍 루 | Piston valve of a shock absorber |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0348431Y2 (en) | 1991-10-16 |