JPS6280640U

JPS6280640U -

Info

Publication number: JPS6280640U
Application number: JP17380985U
Authority: JP
Priority date: 1985-11-12
Filing date: 1985-11-12
Publication date: 1987-05-23

Description

[Brief explanation of the drawing]

第１図は、本考案の一実施例の断面図、第２図
は、従来技術によるインクジエツトポンプの一例
の断面図である。１……ケース、２……空室、３……吸入口、４
……吐出口、５……隔壁、６……貫通孔、７……
インク室、１０……ピストン、１１……パツキン
、１２……円形支持板、１３……連通孔、１５…
…ロツド、１６……ソレノイド、１７……復帰用
スプリング、１８……ガイド部材、２０……内ピ
ストン、２１……インク流通孔、３０……外ピス
トン、３１……インク流通孔。 FIG. 1 is a sectional view of an embodiment of the present invention, and FIG. 2 is a sectional view of an example of an inkjet pump according to the prior art. 1... Case, 2... Vacant room, 3... Inlet, 4
...Discharge port, 5...Partition wall, 6...Through hole, 7...
Ink chamber, 10... Piston, 11... Packing, 12... Circular support plate, 13... Communication hole, 15...
... Rod, 16 ... Solenoid, 17 ... Return spring, 18 ... Guide member, 20 ... Inner piston, 21 ... Ink circulation hole, 30 ... Outer piston, 31 ... Ink circulation hole.

Claims

[Scope of utility model registration request]

A case 1 is formed with an ink chamber 7 having an inlet port 3 and an outlet port 4, and is formed of an elastic material into a substantially dish shape, has a smaller diameter than the inner diameter of the ink chamber 7, and has a pressure The packing 1 has a larger diameter than the inner diameter of the ink chamber 7 when
1 and a circular support plate 12 which has a diameter smaller than the inner diameter of the ink chamber 7 and is attached to the back surface of the packing 11, and the opening side of the packing 11 is located toward the discharge port 4 side. An ink head comprising a piston 10 arranged in the ink chamber 7 in this manner, and a driving means for imparting reciprocating motion to the piston 10 in the axial direction.