JPS61115637U - - Google Patents
Info
- Publication number
- JPS61115637U JPS61115637U JP20039684U JP20039684U JPS61115637U JP S61115637 U JPS61115637 U JP S61115637U JP 20039684 U JP20039684 U JP 20039684U JP 20039684 U JP20039684 U JP 20039684U JP S61115637 U JPS61115637 U JP S61115637U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pressure chamber
- central part
- flow
- check valve
- 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
- 210000002105 tongue Anatomy 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Ink Jet (AREA)
- Check Valves (AREA)
Description
第１図は本考案の小形逆止弁の実施例の分解斜
視図、第２図は本考案による小形逆止弁の縦断面
図、第３図は本考案による弁舌の切り込み形状の
種類の例を示す弁部材の上面図、第４図は従来例
のインクジエツトヘツドの縦断面図、第５図は従
来例の小形逆止弁の分解斜視図である。
なお図面に記載の記号は下記のものを示す。１
……弁舌、２……弁部材、３……流通路、４……
弁座、５……小形逆止弁、７……圧力室、８……
電気機械変換器、１２……支持腕、１３……切り
込みである。
Fig. 1 is an exploded perspective view of an embodiment of the small check valve of the present invention, Fig. 2 is a longitudinal sectional view of the small check valve of the invention, and Fig. 3 is an example of the type of notch shape of the valve tongue according to the invention. FIG. 4 is a longitudinal sectional view of a conventional ink jet head, and FIG. 5 is an exploded perspective view of a conventional small check valve. The symbols shown in the drawings indicate the following. 1
...Running, 2...Valve member, 3...Flow path, 4...
Valve seat, 5...Small check valve, 7...Pressure chamber, 8...
Electromechanical transducer, 12... support arm, 13... notch.
Claims (1)
生する圧力波が加えられるインクジエツトヘツド
の圧力室の前後に設けられて、前記圧力室内でイ
ンク小滴を一方向にのみ流通される弁において、
薄い金属材または高分子材よりなりプレス切断に
よる切り込みにより周辺部分に対し複数個所を支
持腕で連結して開閉される弁舌を中央部分に設け
た弁部材と、中央部分に１個または複数個の流通
路を貫設した弁座とを密接重畳してなる小形逆止
弁。 Valves installed before and after a pressure chamber of an ink jet head to which a pressure wave generated by an electromechanical transducer is applied by an applied electrical signal, and which allow ink droplets to flow in one direction only within said pressure chamber,
A valve member made of a thin metal or polymeric material and provided with a valve tongue in the central part that is opened and closed by connecting multiple parts to the peripheral part with support arms by making incisions by press cutting, and one or more valve tongues in the central part. A small check valve formed by closely overlapping a valve seat with a flow passage through it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20039684U JPS61115637U (en) | 1984-12-28 | 1984-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20039684U JPS61115637U (en) | 1984-12-28 | 1984-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61115637U true JPS61115637U (en) | 1986-07-22 |
Family
ID=30761206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20039684U Pending JPS61115637U (en) | 1984-12-28 | 1984-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61115637U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0322598U (en) * | 1989-07-14 | 1991-03-08 | ||
| JP2011167682A (en) * | 2010-01-25 | 2011-09-01 | Negishi Seisakusho:Kk | Air bubble generation device and gas-liquid contact device |
-
1984
- 1984-12-28 JP JP20039684U patent/JPS61115637U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0322598U (en) * | 1989-07-14 | 1991-03-08 | ||
| JP2011167682A (en) * | 2010-01-25 | 2011-09-01 | Negishi Seisakusho:Kk | Air bubble generation device and gas-liquid contact device |