JPS58115339U

JPS58115339U - inkjet head

Info

Publication number: JPS58115339U
Application number: JP1131782U
Authority: JP
Inventors: 芳宏後藤
Original assignee: 日本電気ホームエレクトロニクス株式会社
Priority date: 1982-01-28
Filing date: 1982-01-28
Publication date: 1983-08-06

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来のインクジェットヘッドの断面図、第２図
及び第３図は本考案の第１実施例を示す各動作時での断
面図、第４図は竿３図の弁の分解斜視図、第５図笈９第
６図と第７図及び第８図は本考案の第セ実施例と第３実
施例を示す各動作時での断面図、第９図は第７図のＡ−
Ａ線に沿う断面図、第１，０図及び第１１図は第７図の
弁の変形例を説明するための各動作時の部分断面図であ
る。６・・・・・・ノズル、７・・・・・・圧電振動子、８
・・・・・・圧力室、９・・・・・・圧力室、９・・・
・・・パイプ、１ｏ・・・・・・インク、１０′・・・
・・・インクｉ、１１−−−−−−弁、１７−−−−−
−ノズル、１８・・・・・・圧電振動子、１９・・・・
・・パイプ、２０・・・・・・圧力室、２１・・・・・
・弁、２３・・曲ノズル、２４・・・・・・圧電振動子
、２５・・・・・・圧力室、２６・・・・・・パイプ、
２７．　２７’、　　２８・・・・・・弁。Figure 1 is a sectional view of a conventional inkjet head, Figures 2 and 3 are sectional views showing the first embodiment of the present invention during each operation, and Figure 4 is an exploded perspective view of the valve in Figure 3. , FIG. 5, FIG. 9, FIG. 6, FIG. 7, and FIG. 8 are cross-sectional views showing the second embodiment and the third embodiment of the present invention during each operation, and FIG.
1, 0, and 11 are partial sectional views taken along line A, and are partial sectional views during each operation for explaining a modification of the valve shown in FIG. 7. 6... Nozzle, 7... Piezoelectric vibrator, 8
...Pressure chamber, 9...Pressure chamber, 9...
...Pipe, 1o...Ink, 10'...
...Ink i, 11------ Valve, 17------
- Nozzle, 18...Piezoelectric vibrator, 19...
...Pipe, 20...Pressure chamber, 21...
・Valve, 23...Curved nozzle, 24...Piezoelectric vibrator, 25...Pressure chamber, 26...Pipe,
27. 27', 28... valve.

Claims

[Scope of utility model registration request]

An inkjet comprising a pressure chamber equipped with a piezoelectric vibrator connected to an ink replenishment pipe and an ink nozzle, the volume of the pressure chamber being changed by the vibration of the piezoelectric vibrator, and ink swab ejected from the tip of the nozzle. An inkjet head characterized in that a valve that is closed by vibration of a piezoelectric vibrator is attached to the ink supply pipe side of the pressure chamber.