JPS6429573U - - Google Patents
Info
- Publication number
- JPS6429573U JPS6429573U JP12458787U JP12458787U JPS6429573U JP S6429573 U JPS6429573 U JP S6429573U JP 12458787 U JP12458787 U JP 12458787U JP 12458787 U JP12458787 U JP 12458787U JP S6429573 U JPS6429573 U JP S6429573U
- Authority
- JP
- Japan
- Prior art keywords
- case
- flange
- valve body
- check valve
- coil spring
- 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
- 239000012530 fluid Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
Landscapes
- Check Valves (AREA)
Description
第１図はこの考案の一実施例を示す断面図、第
２図は第１図のインナの全体斜視図、第３図は従
来の逆止弁の一例を示す断面図、第４図は第３図
の逆止弁の使用態様を示す要部断面図、第５図は
第３図の逆止弁の別の使用態様を示す要部断面図
である。
３……ケース、４……ボール弁、５……流体出
口部、６……コイルばね、７……流体入口部、１
０……インナ。なお、、各図中同一符号は同一ま
たは相当部分を示す。
Fig. 1 is a cross-sectional view showing one embodiment of this invention, Fig. 2 is a perspective view of the entire inner shown in Fig. 1, Fig. 3 is a cross-sectional view showing an example of a conventional check valve, and Fig. 4 is a cross-sectional view showing an example of a conventional check valve. FIG. 3 is a cross-sectional view of a main part showing a mode of use of the check valve shown in FIG. 3, and FIG. 5 is a cross-sectional view of a main part showing another mode of use of the check valve of FIG. 3... Case, 4... Ball valve, 5... Fluid outlet, 6... Coil spring, 7... Fluid inlet, 1
0...Inner. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
前記ケース３内に設けられ前記弁体を前記ケース
３の流体入口部７側に押圧するコイルばね６と、
前記弁体と前記ケース３の流体出口部５との間に
設けられケース３の半径方向および前記コイルば
ね６の圧縮方向に対する弁体の動きを規制するイ
ンナ１０とを備えていることを特徴とする逆止弁
。 ２ インナ１０は、フランジ１１と、このフラン
ジ１１に連設されフランジ１１とともに内部に流
体通路１２を形成する胴部１３とからなり、その
全長はコイルばね１１が完全圧縮のときの長さよ
り大きく、また前記胴部１３ではその先端部に前
記フランジ１１に向けて小径となるテーパ部１４
が形成されているとともに、その側面に前記流体
通路１２に向けて穴１５が形成されている実用新
案登録請求の範囲第１項記載の逆止弁。 ３ 弁体はボール弁４である実用新案登録請求の
範囲第１項または第２項記載の逆止弁。[Scope of claims for utility model registration] 1. A valve body movably provided in case 3,
a coil spring 6 provided in the case 3 and pressing the valve body toward the fluid inlet portion 7 side of the case 3;
An inner 10 is provided between the valve body and the fluid outlet portion 5 of the case 3 to restrict movement of the valve body in the radial direction of the case 3 and in the compression direction of the coil spring 6. check valve. 2. The inner 10 is made up of a flange 11 and a body 13 that is connected to the flange 11 and forms a fluid passage 12 therein together with the flange 11, and its total length is greater than the length when the coil spring 11 is fully compressed. Further, the body portion 13 has a tapered portion 14 at its tip that becomes smaller in diameter toward the flange 11.
The check valve according to claim 1, wherein a hole 15 is formed on a side surface of the check valve toward the fluid passage 12. 3. The check valve according to claim 1 or 2, wherein the valve body is a ball valve 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987124587U JPH0641030Y2 (en) | 1987-08-17 | 1987-08-17 | Check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987124587U JPH0641030Y2 (en) | 1987-08-17 | 1987-08-17 | Check valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6429573U true JPS6429573U (en) | 1989-02-22 |
| JPH0641030Y2 JPH0641030Y2 (en) | 1994-10-26 |
Family
ID=31374452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987124587U Expired - Lifetime JPH0641030Y2 (en) | 1987-08-17 | 1987-08-17 | Check valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0641030Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4985623A (en) * | 1972-12-22 | 1974-08-16 | ||
| JPS5327241U (en) * | 1976-08-16 | 1978-03-08 | ||
| JPS55139567A (en) * | 1979-04-19 | 1980-10-31 | Toshiba Corp | Valve device |
-
1987
- 1987-08-17 JP JP1987124587U patent/JPH0641030Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4985623A (en) * | 1972-12-22 | 1974-08-16 | ||
| JPS5327241U (en) * | 1976-08-16 | 1978-03-08 | ||
| JPS55139567A (en) * | 1979-04-19 | 1980-10-31 | Toshiba Corp | Valve device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0641030Y2 (en) | 1994-10-26 |
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