JPH0484874U - - Google Patents
Info
- Publication number
- JPH0484874U JPH0484874U JP12863790U JP12863790U JPH0484874U JP H0484874 U JPH0484874 U JP H0484874U JP 12863790 U JP12863790 U JP 12863790U JP 12863790 U JP12863790 U JP 12863790U JP H0484874 U JPH0484874 U JP H0484874U
- Authority
- JP
- Japan
- Prior art keywords
- coil spring
- holder
- valve seat
- check
- presses
- 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
Landscapes
- Check Valves (AREA)
Description
第１図Ａ，Ｂは本考案の第１実施例で、同図Ａ
は組立前の、同部Ｂは組立後の縦断面図、第２図
Ａ，Ｂは本考案の第２実施例の組立前と組立後の
縦断面図、第３図は本考案の第３実施例の縦断面
図、第４図Ａ，Ｂは本考案の第４実施例の組立前
と組立後の縦断面図、第５図は従来技術のチエツ
クバルブを用いたキヤニスタの縦断面図、第６図
は第５図のキヤニスタの一部を上下逆さにした縦
断面図、第７図Ａ，Ｂは第６図のチエツクバルブ
の組立前と組立後の拡大断面図である。
４……ケース、４ｂ……スプリングガイド、４
ｄ……上端、４ｆ……開口端、５……バルブシー
ト、６……チエツクボール、７……コイルスプリ
ング、８……ホルダー、８ａ……窓部、８ｆ……
開口端。
Figures 1A and 1B show the first embodiment of the present invention;
2 is a vertical sectional view before assembly, B is a longitudinal sectional view after assembly, FIGS. 2A and B are longitudinal sectional views before and after assembly of the second embodiment of the present invention, and FIG. 3 is a longitudinal sectional view of the third embodiment of the present invention. 4A and 4B are longitudinal sectional views of the fourth embodiment of the present invention before and after assembly; FIG. 5 is a longitudinal sectional view of a canister using a conventional check valve; FIG. 6 is a vertical cross-sectional view of a portion of the canister shown in FIG. 5 which is turned upside down, and FIGS. 7A and 7B are enlarged cross-sectional views of the check valve shown in FIG. 6 before and after assembly. 4...Case, 4b...Spring guide, 4
d... Upper end, 4f... Opening end, 5... Valve seat, 6... Check ball, 7... Coil spring, 8... Holder, 8a... Window, 8f...
Open end.
Claims (1)
るコイルスプリング７を有するチエツクバルブに
おいて、バルブシート５側に設けられバルブシー
ト５から離れた側に開口端４ｆを有すると共にそ
の上端４ｄがコイルスプリング７の無負荷時にお
ける上端以上に位置する筒形のスプリングガイド
４ｂと、前記開口端４ｆからスプリングガイド内
に嵌入してコイルスプリング７の上端部を押圧す
る突部８ａを有するホルダー８と、該ホルダー８
が固定されるケース４とを具備したことを特徴と
するチエツクバルブ。 ２ バルブシート５にチエツクボール６を圧接す
るコイルスプリング７を有するチエツクバルブに
おいて、コイルスプリング７を収納する筒形でチ
エツクボール６に向つて開口する開口端８ｇを有
するスプリングガイド８ｆを備えたホルダー８と
、該ホルダー８が固定されるケース４とを具備し
たことを特徴とするチエツクバルブ。[Claims for Utility Model Registration] 1. A check valve having a coil spring 7 that presses a check ball 6 against a valve seat 5, which is provided on the valve seat 5 side and has an open end 4f on the side away from the valve seat 5. It has a cylindrical spring guide 4b whose upper end 4d is located above the upper end of the coil spring 7 when no load is applied, and a protrusion 8a that fits into the spring guide from the open end 4f and presses the upper end of the coil spring 7. holder 8 and the holder 8
and a case 4 to which the check valve is fixed. 2. In a check valve having a coil spring 7 that presses a check ball 6 against a valve seat 5, a holder 8 is provided with a spring guide 8f having a cylindrical shape for housing the coil spring 7 and having an open end 8g opening toward the check ball 6. and a case 4 to which the holder 8 is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12863790U JPH0484874U (en) | 1990-11-29 | 1990-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12863790U JPH0484874U (en) | 1990-11-29 | 1990-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0484874U true JPH0484874U (en) | 1992-07-23 |
Family
ID=31876087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12863790U Pending JPH0484874U (en) | 1990-11-29 | 1990-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0484874U (en) |
-
1990
- 1990-11-29 JP JP12863790U patent/JPH0484874U/ja active Pending