JPH0428277U - - Google Patents
Info
- Publication number
- JPH0428277U JPH0428277U JP6958490U JP6958490U JPH0428277U JP H0428277 U JPH0428277 U JP H0428277U JP 6958490 U JP6958490 U JP 6958490U JP 6958490 U JP6958490 U JP 6958490U JP H0428277 U JPH0428277 U JP H0428277U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- coil spring
- valve body
- type quick
- lift type
- 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
- 239000002184 metal Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Landscapes
- Valve Housings (AREA)
- Check Valves (AREA)
Description
第１図は本考案の１実施例を示す縦断面図、第
２図Ａは本考案で用いられる弁体の縦断面図、第
２図Ｂはその弁体の平面図、第３図Ａは本考案で
用いられるコイルスプリングの正面図、第３図Ｂ
はそのコイルスプリングの平面図、第４図Ａは本
考案で用いられる弁蓋の正面図、第４図Ｂはその
弁蓋の加工方法を説明するための平面図、第５図
は本考案と従来品の圧力損失水頭を比較して示す
特性図、第６図は従来品の縦断面図である。
１……弁箱、２……弁体、３……弁棒、４……
弁座、６……弁蓋、８……コイルスプリング、１
０……ブツシユ。
Fig. 1 is a vertical sectional view showing one embodiment of the present invention, Fig. 2 A is a longitudinal sectional view of a valve body used in the present invention, Fig. 2 B is a plan view of the valve body, and Fig. 3 A is a longitudinal sectional view of the valve body used in the present invention. Front view of the coil spring used in this invention, Figure 3B
is a plan view of the coil spring, FIG. 4A is a front view of the valve lid used in the present invention, FIG. 4B is a plan view for explaining the processing method of the valve lid, and FIG. A characteristic diagram showing a comparison of the pressure loss head of the conventional product, and FIG. 6 is a longitudinal cross-sectional view of the conventional product. 1... Valve box, 2... Valve body, 3... Valve stem, 4...
Valve seat, 6... Valve cover, 8... Coil spring, 1
0...buzz.
Claims (1)
コイルスプリングによつて弁体が弁座に押圧付勢
されるコイルスプリングリフト式急閉逆止弁にお
いて、スプリング押え、弁体、弁蓋が金属板プレ
ース成形品から形成されていることを特徴とする
コイルスプリングリフト式急閉逆止弁。 In a coil spring lift type quick-close check valve in which the valve body is pressed against the valve seat by a coil spring attached to the valve body via a spring retainer, the spring retainer, valve body, and valve lid are formed by metal plate press molding. A coil spring lift type quick-close check valve characterized by being made of
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990069584U JPH0714709Y2 (en) | 1990-07-02 | 1990-07-02 | Coil spring lift type quick closing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990069584U JPH0714709Y2 (en) | 1990-07-02 | 1990-07-02 | Coil spring lift type quick closing check valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0428277U true JPH0428277U (en) | 1992-03-06 |
| JPH0714709Y2 JPH0714709Y2 (en) | 1995-04-10 |
Family
ID=31605017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990069584U Expired - Lifetime JPH0714709Y2 (en) | 1990-07-02 | 1990-07-02 | Coil spring lift type quick closing check valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0714709Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11325283A (en) * | 1998-05-11 | 1999-11-26 | Koyo Seiko Co Ltd | Check valve |
| WO2006046470A1 (en) * | 2004-10-28 | 2006-05-04 | Nitto Kohki Co., Ltd. | Valve holding member |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5534508U (en) * | 1978-08-28 | 1980-03-05 | ||
| JPS55166952U (en) * | 1979-05-18 | 1980-12-01 | ||
| JPS58148373U (en) * | 1982-03-30 | 1983-10-05 | 株式会社荏原製作所 | self-closing check valve |
-
1990
- 1990-07-02 JP JP1990069584U patent/JPH0714709Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5534508U (en) * | 1978-08-28 | 1980-03-05 | ||
| JPS55166952U (en) * | 1979-05-18 | 1980-12-01 | ||
| JPS58148373U (en) * | 1982-03-30 | 1983-10-05 | 株式会社荏原製作所 | self-closing check valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11325283A (en) * | 1998-05-11 | 1999-11-26 | Koyo Seiko Co Ltd | Check valve |
| WO2006046470A1 (en) * | 2004-10-28 | 2006-05-04 | Nitto Kohki Co., Ltd. | Valve holding member |
| US7722010B2 (en) | 2004-10-28 | 2010-05-25 | Nitto Kohki Co., Ltd. | Valve holding member |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0714709Y2 (en) | 1995-04-10 |