JPS6275274U - - Google Patents
Info
- Publication number
- JPS6275274U JPS6275274U JP16482185U JP16482185U JPS6275274U JP S6275274 U JPS6275274 U JP S6275274U JP 16482185 U JP16482185 U JP 16482185U JP 16482185 U JP16482185 U JP 16482185U JP S6275274 U JPS6275274 U JP S6275274U
- Authority
- JP
- Japan
- Prior art keywords
- coil spring
- fixed
- check valve
- main body
- occluded
- 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
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例を適用したピエゾポ
ンプの断面図、第２図は逆止弁の構造の詳細を示
す分解斜視図、第３図ａ，ｂは逆止弁の作動説明
図である。
２１：逆止弁、２２：筒形本体、２３：係止環
、２４：コイルばね、２５：拡径座巻部、２７：
閉塞板、２９：押圧板。
Fig. 1 is a sectional view of a piezo pump to which an embodiment of the present invention is applied, Fig. 2 is an exploded perspective view showing details of the structure of the check valve, and Figs. 3 a and b are explanatory diagrams of the operation of the check valve. It is. 21: Check valve, 22: Cylindrical main body, 23: Locking ring, 24: Coil spring, 25: Expanded diameter end turn portion, 27:
Closure plate, 29: Pressing plate.
Claims (1)
外径の小さい密着巻きコイルばねを、一端の座巻
きを一端の開口に密嵌して固定し、該コイルばね
の他端の端面を閉塞したことを特徴とする逆止弁
。 A tightly wound coil spring with an outer diameter smaller than the inner diameter of the main body is fixed in a cylindrical body with both ends open, with the end turn of one end tightly fitted into the opening of one end, and the end surface of the other end of the coil spring is fixed. A check valve characterized by being occluded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16482185U JPS6275274U (en) | 1985-10-26 | 1985-10-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16482185U JPS6275274U (en) | 1985-10-26 | 1985-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6275274U true JPS6275274U (en) | 1987-05-14 |
Family
ID=31094294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16482185U Pending JPS6275274U (en) | 1985-10-26 | 1985-10-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6275274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11325283A (en) * | 1998-05-11 | 1999-11-26 | Koyo Seiko Co Ltd | Check valve |
-
1985
- 1985-10-26 JP JP16482185U patent/JPS6275274U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11325283A (en) * | 1998-05-11 | 1999-11-26 | Koyo Seiko Co Ltd | Check valve |