JPH0284073U - - Google Patents
Info
- Publication number
- JPH0284073U JPH0284073U JP16346788U JP16346788U JPH0284073U JP H0284073 U JPH0284073 U JP H0284073U JP 16346788 U JP16346788 U JP 16346788U JP 16346788 U JP16346788 U JP 16346788U JP H0284073 U JPH0284073 U JP H0284073U
- Authority
- JP
- Japan
- Prior art keywords
- coil spring
- valve
- spring retainer
- check valve
- close check
- 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
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- 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スプリング押えの縦
断面図、第２図Ｂは第２図ＡのＢ矢視図、第２図
Ｃは拡大部分断面図、第３図は本考案で用いられ
る弁箱の縦断面図、第４図に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５図は従来
品の縦断面図である。
１，２０……コイルスプリングリフト式急閉逆
止弁、２，２２……弁箱、３，２４……弁棒、４
，２６……弁体、５……コイルスプリング、６，
２８……ゴムシート、７……弁座、９，３２……
スプリング押え、１１，３０……スライドガイド
、１３……弁棒ナツト、３４……嵌合部分、３６
……スプリング押え組付用溝。
Fig. 1 is a vertical cross-sectional view showing one embodiment of the present invention, Fig. 2 A is a longitudinal cross-sectional view of a spring presser used in the present invention, Fig. 2 B is a view taken in the direction of arrow B in Fig. 2 A, Figure C is an enlarged partial sectional view, Figure 3 is a vertical cross-sectional view of the valve box used in the present invention, Figure 4 is a characteristic diagram comparing the pressure loss head of the present invention and the conventional product, and Figure 5 is the conventional valve box. FIG. 1, 20... Coil spring lift type quick-close check valve, 2, 22... Valve box, 3, 24... Valve stem, 4
, 26... Valve body, 5... Coil spring, 6,
28...Rubber sheet, 7...Valve seat, 9,32...
Spring retainer, 11, 30... Slide guide, 13... Valve stem nut, 34... Fitting part, 36
...Groove for assembling the spring presser.
Claims (1)
たコイルスプリングにより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、前記スプリング押えはプレス成形品であり
且つその嵌合部分が弾性反発力によつて弁箱に形
成されたスプリング押え組付用溝に嵌合している
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。 (2) 前記スプリング押え組付用溝は断面が半円
形をしており、その表面は防錆用塗膜で被覆され
ている請求項１に記載のコイルスプリングリフト
式急閉逆止弁。[Claims for Utility Model Registration] (1) In a coil spring lift type quick-close check valve in which the valve body is urged against a valve seat by a coil spring attached to the valve body via a spring retainer, the spring retainer is a coil spring lift type quick-close check valve, which is a press-molded product and whose fitting portion is fitted into a spring retainer assembly groove formed in the valve box by elastic repulsive force. . (2) The coil spring lift quick-close check valve according to claim 1, wherein the spring retainer assembly groove has a semicircular cross section, and the surface thereof is coated with a rust-preventing coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988163467U JPH0615192Y2 (en) | 1988-12-19 | 1988-12-19 | Coil spring lift type quick closing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988163467U JPH0615192Y2 (en) | 1988-12-19 | 1988-12-19 | Coil spring lift type quick closing check valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0284073U true JPH0284073U (en) | 1990-06-29 |
| JPH0615192Y2 JPH0615192Y2 (en) | 1994-04-20 |
Family
ID=31448215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988163467U Expired - Lifetime JPH0615192Y2 (en) | 1988-12-19 | 1988-12-19 | Coil spring lift type quick closing check valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0615192Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006046470A1 (en) * | 2004-10-28 | 2006-05-04 | Nitto Kohki Co., Ltd. | Valve holding member |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5015676B2 (en) * | 2007-06-28 | 2012-08-29 | ブリヂストンフローテック株式会社 | Fitting with valve and valve support for fitting with valve |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5411932A (en) * | 1977-06-28 | 1979-01-29 | Bayer Ag | Phthalocyanine reactive dyestuff |
| JPS55166952U (en) * | 1979-05-18 | 1980-12-01 | ||
| JPS6224174U (en) * | 1985-07-26 | 1987-02-14 |
-
1988
- 1988-12-19 JP JP1988163467U patent/JPH0615192Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5411932A (en) * | 1977-06-28 | 1979-01-29 | Bayer Ag | Phthalocyanine reactive dyestuff |
| JPS55166952U (en) * | 1979-05-18 | 1980-12-01 | ||
| JPS6224174U (en) * | 1985-07-26 | 1987-02-14 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
|---|---|
| JPH0615192Y2 (en) | 1994-04-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |