JPH0177170U - - Google Patents
Info
- Publication number
- JPH0177170U JPH0177170U JP1987172766U JP17276687U JPH0177170U JP H0177170 U JPH0177170 U JP H0177170U JP 1987172766 U JP1987172766 U JP 1987172766U JP 17276687 U JP17276687 U JP 17276687U JP H0177170 U JPH0177170 U JP H0177170U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- alignment mechanism
- lubrication
- sealing properties
- collar
- 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
- 239000004519 grease Substances 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 claims 5
- 238000007789 sealing Methods 0.000 claims 5
Landscapes
- Lift Valve (AREA)
Description
第１図は本考案の一実施例を示す弁体調芯機構
を備えたバタフライ弁の要部縦断面図、第２図は
第１図の要部拡大断面図、第３図は従来例を示す
バタフライ弁の縦断面図である。
１……本体、３……弁棒、４……弁体、６……
シートリング、１１……カラー、１２……Ｏリン
グ、１２ａ……Ｏリング溝、１３，１３ａ，１３
ｂ……グリス溝。
Fig. 1 is a vertical cross-sectional view of the essential parts of a butterfly valve equipped with a valve alignment mechanism showing an embodiment of the present invention, Fig. 2 is an enlarged sectional view of the main parts of Fig. 1, and Fig. 3 shows a conventional example. FIG. 3 is a longitudinal cross-sectional view of the butterfly valve. 1... Main body, 3... Valve stem, 4... Valve body, 6...
Seat ring, 11... Collar, 12... O-ring, 12a... O-ring groove, 13, 13a, 13
b...Grease groove.
Claims (1)
に貫通されたカラーを挿入し、該カラーと本体、
弁棒及び弁体との三つの当接面のうち、何れか二
つの面を摺動面とし、これらの各摺動面にＯリン
グとグリス溝を設けたことを特徴とする潤滑とシ
ール性を兼ねた弁体調芯機構。 ２ 上記カラーの本体及び弁棒との当接面が摺動
面となつている実用新案登録請求の範囲第１項記
載の潤滑とシール性を兼ねた弁体調芯機構。 ３ 上記カラーの本体及び弁体との当接面が摺動
面となつている実用新案登録請求の範囲第１項記
載の潤滑とシール性を兼ねた弁体調芯機構。 ４ 上記グリス溝が独立した多数の溝からなり、
外側の溝が小さく内側の溝が大きく形成されてい
る実用新案登録請求の範囲第１項記載の潤滑とシ
ール性を兼ねた弁体調芯機構。 ５ 上記グリス溝が上記Ｏリングの外側に形成さ
れている実用新案登録請求の範囲第１項又は第４
項記載の潤滑とシール性を兼ねた弁体調芯機構。[Claims for Utility Model Registration] 1. A collar penetrated by the valve stem is inserted between the inner circumferential surface of the main body and the outer circumferential surface of the valve body, and the collar and the main body,
Lubrication and sealing properties characterized by the fact that any two of the three contact surfaces with the valve stem and the valve body are sliding surfaces, and each of these sliding surfaces is provided with an O-ring and a grease groove. A valve alignment mechanism that also serves as a valve alignment mechanism. 2. The valve alignment mechanism having both lubrication and sealing properties as claimed in claim 1, wherein the contact surface between the main body of the collar and the valve stem is a sliding surface. 3. The valve alignment mechanism having both lubrication and sealing properties as claimed in claim 1, wherein the contact surface between the main body of the collar and the valve body is a sliding surface. 4 The above grease groove consists of a number of independent grooves,
A valve alignment mechanism having both lubrication and sealing properties as claimed in claim 1, wherein the outer groove is small and the inner groove is large. 5. Utility model registration claim 1 or 4, in which the grease groove is formed on the outside of the O-ring.
Valve alignment mechanism that combines lubrication and sealing properties as described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987172766U JPH0353088Y2 (en) | 1987-11-13 | 1987-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987172766U JPH0353088Y2 (en) | 1987-11-13 | 1987-11-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0177170U true JPH0177170U (en) | 1989-05-24 |
| JPH0353088Y2 JPH0353088Y2 (en) | 1991-11-19 |
Family
ID=31464721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987172766U Expired JPH0353088Y2 (en) | 1987-11-13 | 1987-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0353088Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62165072A (en) * | 1986-01-13 | 1987-07-21 | Chubu Electric Power Co Inc | butterfly valve |
-
1987
- 1987-11-13 JP JP1987172766U patent/JPH0353088Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62165072A (en) * | 1986-01-13 | 1987-07-21 | Chubu Electric Power Co Inc | butterfly valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0353088Y2 (en) | 1991-11-19 |