JPS61161481U - - Google Patents
Info
- Publication number
- JPS61161481U JPS61161481U JP4533785U JP4533785U JPS61161481U JP S61161481 U JPS61161481 U JP S61161481U JP 4533785 U JP4533785 U JP 4533785U JP 4533785 U JP4533785 U JP 4533785U JP S61161481 U JPS61161481 U JP S61161481U
- Authority
- JP
- Japan
- Prior art keywords
- utility
- model registration
- safety valve
- expansion ring
- lip
- 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
- 230000007423 decrease Effects 0.000 claims 1
Landscapes
- Safety Valves (AREA)
Description
第１図は本考案にかかる一実施例を示す断面図
、第２図は前記実施例中の弁体の拡大断面図であ
る。
１…安全弁、５…弁体、９…弁本体、１０…膨
張環、１１…リツプ部、１２…リテーナ部、９０
…空間部、１００…空隙、１２０…凹部。
FIG. 1 is a sectional view showing an embodiment of the present invention, and FIG. 2 is an enlarged sectional view of a valve body in the embodiment. DESCRIPTION OF SYMBOLS 1... Safety valve, 5... Valve body, 9... Valve body, 10... Expansion ring, 11... Lip part, 12... Retainer part, 90
...Space, 100...Gap, 120...Recess.
Claims (1)
弁本体よりも熱膨張率が大きくその膨張時にリツ
プ部を弁座側に変位させる膨張環を嵌入し、この
膨張環とリツプ部との当接する部分に、半径方向
に空隙を設けたことを特徴とする安全弁。 (2) 実用新案登録請求の範囲第１項において、
前記空隙は、リツプ部とリテーナ部とにより囲ま
れる空間部に連通されていることを特徴とする安
全弁。 (3) 実用新案登録請求の範囲第１項または第２
項において、前記膨張環は、円盤状で、かつ、円
周方向に向つて厚さが減少するテーパ面を有する
ことを特徴とする安全弁。 (4) 実用新案登録請求の範囲第１項ないし第３
項のいずれかにおいて、前記膨張環とリテーナ部
とが当接する部分に凹部を設けたことを特徴とす
る安全弁。[Scope of claims for utility model registration] (1) Between the retainer part and lip part of the valve body,
A feature is that an expansion ring is fitted that has a larger coefficient of thermal expansion than the valve body and displaces the lip toward the valve seat when it expands, and a gap is provided in the radial direction where the expansion ring and the lip come into contact. safety valve. (2) In paragraph 1 of the claims for utility model registration,
The safety valve is characterized in that the gap communicates with a space surrounded by a lip part and a retainer part. (3) Scope of claims for utility model registration, paragraph 1 or 2
2. The safety valve according to item 1, wherein the expansion ring is disc-shaped and has a tapered surface whose thickness decreases in the circumferential direction. (4) Scope of claims for utility model registration, paragraphs 1 to 3
2. The safety valve according to claim 1, further comprising a recessed portion in a portion where the expansion ring and the retainer portion come into contact with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4533785U JPH0228301Y2 (en) | 1985-03-28 | 1985-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4533785U JPH0228301Y2 (en) | 1985-03-28 | 1985-03-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61161481U true JPS61161481U (en) | 1986-10-06 |
| JPH0228301Y2 JPH0228301Y2 (en) | 1990-07-30 |
Family
ID=30558755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4533785U Expired JPH0228301Y2 (en) | 1985-03-28 | 1985-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0228301Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018020579A1 (en) * | 2016-07-26 | 2018-02-01 | 株式会社 エー・アンド・デイ | Weighing instrument windshield |
-
1985
- 1985-03-28 JP JP4533785U patent/JPH0228301Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018020579A1 (en) * | 2016-07-26 | 2018-02-01 | 株式会社 エー・アンド・デイ | Weighing instrument windshield |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0228301Y2 (en) | 1990-07-30 |