JPS647959U - - Google Patents
Info
- Publication number
- JPS647959U JPS647959U JP10243687U JP10243687U JPS647959U JP S647959 U JPS647959 U JP S647959U JP 10243687 U JP10243687 U JP 10243687U JP 10243687 U JP10243687 U JP 10243687U JP S647959 U JPS647959 U JP S647959U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve seat
- valve body
- located near
- sub
- 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
- 239000012530 fluid Substances 0.000 claims description 4
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
Description
第１図：本考案一実施例のバルブのシール構造
を示し、Ａはその正面図、Ｂはその作用を示す正
面図。
主な符号、１：バルブ本体、２：弁座部、２Ａ
：主弁座部、２Ｂ：副弁座部、３：流体流路、４
：砂分。
FIG. 1: Shows the sealing structure of a valve according to an embodiment of the present invention, with A being a front view thereof and B being a front view showing its function. Main symbols: 1: Valve body, 2: Valve seat, 2A
: Main valve seat, 2B: Sub-valve seat, 3: Fluid flow path, 4
: Sand.
Claims (1)
周を圧接して流体流路を遮断する弁座部から成る
バルブにおいて、前記弁座部は、流体出口寄りに
位置する硬質の主弁座部と、流体入口寄りに位置
する弾性質の副弁座部とから成り、バルプ本体が
前記副弁座部に接触し始めたとき、前記主弁座部
とバルブ本体間に所要の間隙が存在する形状にし
た構造を特徴とするバルブのシール構造。 A valve comprising a valve body that moves up and down, and a valve seat that presses against the outer periphery of the valve body to shut off a fluid flow path, wherein the valve seat includes a hard main valve seat located near the fluid outlet; and an elastic sub-valve seat located near the fluid inlet, the valve body having a shape such that a required gap exists between the main valve seat and the valve body when the valve body begins to come into contact with the sub-valve seat. The valve seal structure is characterized by its structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10243687U JPS647959U (en) | 1987-07-03 | 1987-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10243687U JPS647959U (en) | 1987-07-03 | 1987-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647959U true JPS647959U (en) | 1989-01-17 |
Family
ID=31332344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10243687U Pending JPS647959U (en) | 1987-07-03 | 1987-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647959U (en) |
-
1987
- 1987-07-03 JP JP10243687U patent/JPS647959U/ja active Pending
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