JPS59155134U

JPS59155134U - inkjet printer

Info

Publication number: JPS59155134U
Application number: JP4954083U
Authority: JP
Inventors: 俊孝小川
Original assignee: 日立工機株式会社
Priority date: 1983-04-01
Filing date: 1983-04-01
Publication date: 1984-10-18

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図は従来例を示す印字ヘッド及び三方弁の縦断面図
、第２図は第１図のノズルの拡大図、第４図は本考案に
なるインクジェットプリンタの縦断面図、第３図は第４
図の電源オフ時を示す縦断面図、第５図は本考案になる
別の実施例を示す縦断面図である。図において、１はイ
ンクシステム、２は三方弁、３は入口、６は出口、９は
解放口、１６はノズル、３０は電磁弁である。Fig. 1 is a longitudinal sectional view of a print head and three-way valve showing a conventional example, Fig. 2 is an enlarged view of the nozzle in Fig. 1, Fig. 4 is a longitudinal sectional view of an inkjet printer according to the present invention, and Fig. 3 is a longitudinal sectional view of a conventional inkjet printer. Fourth
FIG. 5 is a vertical sectional view showing another embodiment of the present invention. In the figure, 1 is an ink system, 2 is a three-way valve, 3 is an inlet, 6 is an outlet, 9 is a release port, 16 is a nozzle, and 30 is a solenoid valve.

Claims

[Claims for Utility Model Registration] 1. An ink system that supplies pressurized ink to a nozzle;
an inkjet printer comprising: a three-way valve having an inlet connected to the ink system, an outlet connected to the nozzle, and a release port communicating with the atmosphere; A solenoid valve is provided in the path leading to the mouth and at least one location near the release port of the three-way valve,
An inkjet printer characterized in that the solenoid valve is closed after a predetermined period of time after a three-way valve is operated when the power of the printer is turned off. 2. Integrating a three-way valve and a solenoid valve, cutting off pressurized ink from the inlet when the printer is powered off, communicating the release port and the outlet, and then closing at least one of the release port and the outlet after a predetermined period of time. An inkjet printer according to claim 1, characterized in that the inkjet printer is configured as follows.