JPS61145179U - - Google Patents
Info
- Publication number
- JPS61145179U JPS61145179U JP2860985U JP2860985U JPS61145179U JP S61145179 U JPS61145179 U JP S61145179U JP 2860985 U JP2860985 U JP 2860985U JP 2860985 U JP2860985 U JP 2860985U JP S61145179 U JPS61145179 U JP S61145179U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- bearing part
- ring
- seal structure
- annular groove
- 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
- 238000007789 sealing Methods 0.000 claims 1
Landscapes
- Sealing Devices (AREA)
- Details Of Valves (AREA)
Description
第１図及び第２図は本考案の実施例を示し、第
１図は弁の一部省略断面図、第２図イは要部の一
部省略拡大断面図、第２図ロは軸偏芯状態を示す
一部省略拡大断面図である。第３図、及び、第４
図は夫々本考案の別実施例を示し、第３図イ及び
第４図イは第２図イに相当する図、第３図ロ及び
第４図ロは第２図ロに相当する図である。第５図
は従来例を示し、第５図イは要部の拡大断面図、
第５図ロは軸偏芯状態を示す拡大断面図である。
１Ｂ……弁ケース、２Ａ……回転軸、６……Ｏ
リング、７……環状溝、Ｂ……有効溝巾、Ｒ……
有効溝深さ、Ｄ……Ｏリング断面径、Ｋ１，Ｋ２
……設定値。
1 and 2 show an embodiment of the present invention. FIG. 1 is a partially omitted sectional view of the valve, FIG. 2 A is an enlarged sectional view of the main part, and FIG. It is a partially omitted enlarged sectional view showing the state of the core. Figures 3 and 4
The figures show different embodiments of the present invention, and Fig. 3A and Fig. 4A correspond to Fig. 2A, and Fig. 3B and Fig. 4B correspond to Fig. 2B. be. Figure 5 shows a conventional example, Figure 5A is an enlarged sectional view of the main part,
FIG. 5B is an enlarged sectional view showing the eccentric state of the shaft. 1B... Valve case, 2A... Rotating shaft, 6... O
Ring, 7...Annular groove, B...Effective groove width, R...
Effective groove depth, D...O-ring cross-sectional diameter, K 1 , K 2
...Setting value.
Claims (1)
の間をシールする弾性Ｏリング６を、前記弁ケー
ス１Ｂの軸受部に形成した環状溝７に収納した弁
軸受部のシール構造において、前記環状溝７の有
効溝巾Ｂ、及び、有効溝深さＲと前記Ｏリング６
の自然状態での断面径Ｄとの関係を与える下記(
イ)式及び(ロ)式において、 Ｂ＝Ｋ１・Ｄ………(イ) Ｒ＝Ｋ２・Ｄ………(ロ) Ｋ１，Ｋ２の値を下記範囲内に ０．９５≦Ｋ１≦０．９９ ０．９５≦Ｋ２≦１．２ 設定してある弁軸受部のシール構造。[Claims for Utility Model Registration] A valve in which an elastic O-ring 6 for sealing between a rotating shaft 2A for valve operation and a bearing part of a valve case 1B is housed in an annular groove 7 formed in a bearing part of the valve case 1B. In the seal structure of the bearing portion, the effective groove width B and the effective groove depth R of the annular groove 7 and the O-ring 6
The following (
In equations (a) and (b), B = K 1・D (a) R = K 2・D (b) The values of K 1 and K 2 must be within the following range: 0.95≦ K 1 ≦0.99 0.95≦K 2 ≦1.2 The seal structure of the valve bearing part is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2860985U JPS61145179U (en) | 1985-02-28 | 1985-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2860985U JPS61145179U (en) | 1985-02-28 | 1985-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61145179U true JPS61145179U (en) | 1986-09-08 |
Family
ID=30526648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2860985U Pending JPS61145179U (en) | 1985-02-28 | 1985-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61145179U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04224716A (en) * | 1990-03-30 | 1992-08-14 | Kraft General Foods Ltd | Beverage package and method of making beverage therefrom |
| JPH0512850U (en) * | 1991-07-31 | 1993-02-19 | 株式会社荒井製作所 | Two wheel link type rear arm dust cover |
-
1985
- 1985-02-28 JP JP2860985U patent/JPS61145179U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04224716A (en) * | 1990-03-30 | 1992-08-14 | Kraft General Foods Ltd | Beverage package and method of making beverage therefrom |
| JPH0512850U (en) * | 1991-07-31 | 1993-02-19 | 株式会社荒井製作所 | Two wheel link type rear arm dust cover |