JPH0194680U - - Google Patents
Info
- Publication number
- JPH0194680U JPH0194680U JP19050287U JP19050287U JPH0194680U JP H0194680 U JPH0194680 U JP H0194680U JP 19050287 U JP19050287 U JP 19050287U JP 19050287 U JP19050287 U JP 19050287U JP H0194680 U JPH0194680 U JP H0194680U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- relief
- orifice hole
- orifice
- sectional area
- 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
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Safety Valves (AREA)
- Details Of Valves (AREA)
Description
第１図は本考案にかかるリリーフバルブを備え
たシリンダユニツトの断面図、第２図は同バルブ
部分の拡大図である。
尚、図面中、１はシリンダ、２はロツド、３は
ピストン、４は貫通孔、５はリリーフバルブ、６
はバルブシート、７はオリフイス孔、８は逃し孔
、９は逃し油路、１０はスチールボール、１１は
スプリングシート、１２はパイロツト弁、１３は
スプリングである。
FIG. 1 is a sectional view of a cylinder unit equipped with a relief valve according to the present invention, and FIG. 2 is an enlarged view of the valve portion. In addition, in the drawing, 1 is a cylinder, 2 is a rod, 3 is a piston, 4 is a through hole, 5 is a relief valve, and 6
1 is a valve seat, 7 is an orifice hole, 8 is a relief hole, 9 is a relief oil passage, 10 is a steel ball, 11 is a spring seat, 12 is a pilot valve, and 13 is a spring.
Claims (1)
形成し、このオリフイス孔に通じる逃し孔を軸方
向に直交する方向に形成し、これらのオリフイス
孔と逃がし孔との間には閉方向に付勢したスチー
ルボールを臨ませ、更に前記オリフイス孔の流路
断面積よりも逃し孔の流路断面積を大きく形成し
たことを特徴とするリリーフバルブ構造。 An orifice hole is formed in the end of the valve seat in the axial direction, a relief hole communicating with the orifice hole is formed in a direction perpendicular to the axial direction, and a space between the orifice hole and the relief hole is biased in the closing direction. 1. A relief valve structure, characterized in that the relief hole has a passage cross-sectional area larger than the passage cross-sectional area of the orifice hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19050287U JPH0194680U (en) | 1987-12-14 | 1987-12-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19050287U JPH0194680U (en) | 1987-12-14 | 1987-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0194680U true JPH0194680U (en) | 1989-06-22 |
Family
ID=31481464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19050287U Pending JPH0194680U (en) | 1987-12-14 | 1987-12-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0194680U (en) |
-
1987
- 1987-12-14 JP JP19050287U patent/JPH0194680U/ja active Pending