JPS6282467U - - Google Patents
Info
- Publication number
- JPS6282467U JPS6282467U JP17403685U JP17403685U JPS6282467U JP S6282467 U JPS6282467 U JP S6282467U JP 17403685 U JP17403685 U JP 17403685U JP 17403685 U JP17403685 U JP 17403685U JP S6282467 U JPS6282467 U JP S6282467U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- ball
- inner diameter
- valve
- ceramic insert
- 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
- 239000000919 ceramic Substances 0.000 claims 3
- 239000012530 fluid Substances 0.000 claims 3
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
Description
第１図は本考案の一実施例のボールバルブの縦
断面図、第２図は第１図のシート部における縦断
面の拡大図、第３図は本考案の他の実施例の縦断
面図、第４図は従来のボールバルブの縦断面図、
第５図は第４図の従来のボールバルブのシート部
の縦断面図の拡大図、第６図は従来のシート部の
欠点の説明図。
１，２：弁箱、３：ボール、４，４′：シート
リング、５：弁棒、６：パツキン、２１：インサ
ート、２２：ボールインサート、２３：インサ
ート、２４：インサートつば部、２５：ボー
ルインサートつば部、２６：インサートつば部
、３１：インサート当たり面、３３：テーパ面
。
Fig. 1 is a longitudinal sectional view of a ball valve according to an embodiment of the present invention, Fig. 2 is an enlarged longitudinal sectional view of the seat portion of Fig. 1, and Fig. 3 is a longitudinal sectional view of another embodiment of the invention. , Figure 4 is a vertical cross-sectional view of a conventional ball valve.
FIG. 5 is an enlarged view of the vertical cross-sectional view of the seat portion of the conventional ball valve shown in FIG. 4, and FIG. 6 is an explanatory diagram of defects in the conventional seat portion. 1, 2: Valve box, 3: Ball, 4, 4': Seat ring, 5: Valve stem, 6: Packing, 21: Insert, 22: Ball insert, 23: Insert, 24: Insert collar, 25: Ball Insert collar, 26: insert collar, 31: insert contact surface, 33: tapered surface.
Claims (1)
と弁箱内面との間にシートリングを介在させ、該
弁体を弁箱外部の回動用軸により回動して流体を
制御するボールバルブにおいて、弁箱ポート内径
表面と弁体ポート内径表面にセラミツクインサー
トを嵌合し、該セラミツクインサートを弁箱及び
ボールへ流体流過上流側から挿入し、該セラミツ
クインサートの弁箱及びボールの挿入口部近傍の
形状を拡径してつば部とし、該つば部の内径角部
をテーパ状の面取りを施したことを特徴とするボ
ールバルブ。 A rotatable valve body is provided in the valve body, a seat ring is interposed between the outer peripheral surface of the valve body and the inner surface of the valve body, and the valve body is rotated by a rotating shaft outside the valve body to supply fluid. In the ball valve to be controlled, a ceramic insert is fitted to the inner diameter surface of the valve body port and the inner diameter surface of the valve body port, the ceramic insert is inserted into the valve body and the ball from the upstream side of the fluid flow, and the valve body and the ceramic insert are inserted into the valve body and the ball from the upstream side of the fluid flow. A ball valve characterized in that the shape of the ball near the insertion opening is enlarged to form a flange, and the inner diameter corner of the flange is chamfered in a tapered shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17403685U JPS6282467U (en) | 1985-11-12 | 1985-11-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17403685U JPS6282467U (en) | 1985-11-12 | 1985-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6282467U true JPS6282467U (en) | 1987-05-26 |
Family
ID=31112058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17403685U Pending JPS6282467U (en) | 1985-11-12 | 1985-11-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6282467U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5852112A (en) * | 1981-09-21 | 1983-03-28 | Kobe Steel Ltd | Bar conveyor |
-
1985
- 1985-11-12 JP JP17403685U patent/JPS6282467U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5852112A (en) * | 1981-09-21 | 1983-03-28 | Kobe Steel Ltd | Bar conveyor |