JPH0482464U - - Google Patents
Info
- Publication number
- JPH0482464U JPH0482464U JP12426990U JP12426990U JPH0482464U JP H0482464 U JPH0482464 U JP H0482464U JP 12426990 U JP12426990 U JP 12426990U JP 12426990 U JP12426990 U JP 12426990U JP H0482464 U JPH0482464 U JP H0482464U
- Authority
- JP
- Japan
- Prior art keywords
- pressure port
- poppet
- seat surface
- closes
- opens
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の実施例を示す安全弁の断面図
、第２図は動作説明図、第３図は他の実施例を示
す安全弁の断面図、第４図は従来の安全弁の断面
図、第５図はその動作説明図である。
１は主高圧ポート、２は主低圧ポート、３は筒
状弁、５は高圧ポート、６は低圧ポート、７はポ
ペツト、８はバネ、７ａはシート面、９は弁座、
１３は環状凹部、１７はエツジ部。
Fig. 1 is a sectional view of a safety valve showing an embodiment of the present invention, Fig. 2 is an explanatory diagram of operation, Fig. 3 is a sectional view of a safety valve showing another embodiment, and Fig. 4 is a sectional view of a conventional safety valve. FIG. 5 is an explanatory diagram of the operation. 1 is the main high pressure port, 2 is the main low pressure port, 3 is the cylindrical valve, 5 is the high pressure port, 6 is the low pressure port, 7 is the poppet, 8 is the spring, 7a is the seat surface, 9 is the valve seat,
13 is an annular recess, and 17 is an edge.
Claims (1)
形弁３と、この筒形弁３内に設けられて高圧ポー
ト５と低圧ポート６を開閉するポペツト７を備え
、このポペツト７をバネ８で押してシート面７ａ
を弁座９に圧着した吸込安全弁において、 前記ポペツト７の外周面７ｂとシート面７ａと
の間に略台形状の環状凹部１３を形成してシート
面７ａの後端部に鋭角のエツジ部１７を構成した
ことを特徴とする吸込安全弁。[Claims for Utility Model Registration] A cylindrical valve 3 that opens and closes the main high pressure port 1 and the main low pressure port 2, and a poppet 7 that is provided in the cylindrical valve 3 and opens and closes the high pressure port 5 and the low pressure port 6. , this poppet 7 is pushed by the spring 8 and the seat surface 7a
In this suction safety valve, a substantially trapezoidal annular recess 13 is formed between the outer peripheral surface 7b of the poppet 7 and the seat surface 7a, and an acute-angled edge portion 17 is formed at the rear end of the seat surface 7a. A suction safety valve characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12426990U JPH0482464U (en) | 1990-11-28 | 1990-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12426990U JPH0482464U (en) | 1990-11-28 | 1990-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0482464U true JPH0482464U (en) | 1992-07-17 |
Family
ID=31871928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12426990U Pending JPH0482464U (en) | 1990-11-28 | 1990-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0482464U (en) |
-
1990
- 1990-11-28 JP JP12426990U patent/JPH0482464U/ja active Pending