JPS6045882U

JPS6045882U - pump

Info

Publication number: JPS6045882U
Application number: JP13891583U
Authority: JP
Inventors: 光雄原田; 中野　忠男
Original assignee: 斎長物産株式会社; 協和科学株式会社
Priority date: 1983-09-07
Filing date: 1983-09-07
Publication date: 1985-03-30

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図は本考案実施例装置の斜視図。第２図は−本考案
実施例装置の断面図。第３図は本考案実施例装置に使用
するプランジャの第一実施例斜視図。第４図は本考案実
施例装置に使用するプランジャの第二実施例斜視図。１・・・・・・本体、１ａ・・・・・・本体空間、２，
１０・・・・・・０リング、３・・・・・・スリーブ、
４・・・・・・スプリングケース、５・・・・・・スプ
リング、６，６ａ、６ｂ・・・・・・プランジャ、７・
・・・・・ソレノイド、８・・・・・・入口弁セット、
９・・・・・・出口弁セット、１１・・・・・・襞。FIG. 1 is a perspective view of an apparatus according to an embodiment of the present invention. FIG. 2 is a sectional view of the apparatus according to the present invention. FIG. 3 is a perspective view of the first embodiment of the plunger used in the device according to the present invention. FIG. 4 is a perspective view of a second embodiment of the plunger used in the device according to the present invention. 1...Main body, 1a...Main body space, 2,
10...0 ring, 3...sleeve,
4...Spring case, 5...Spring, 6, 6a, 6b...Plunger, 7.
...Solenoid, 8...Inlet valve set,
9...Outlet valve set, 11...Fold.

Claims

[Scope of utility model registration request]

(1) In a pump that pressurizes ink for an inkjet printer connected to a terminal of an information processing device, a columnar body made of plastic is connected to a stepped cylindrical hole and a space on the small diameter side of the stepped cylindrical hole. The main body is provided with two small-diameter cylindrical holes communicating with each other, and two threaded holes cut in the same center of the cylindrical holes at the ends of the two small-diameter cylindrical holes, and further a sleeve that is inserted inscribed in the small diameter side of the stepped cylindrical hole of the main body and is made of tempered glass whose inner surface is mirror-finished; and a plunger that is slidably inserted into the inner surface of the sleeve. , an inlet valve set and an outlet valve' set each consisting of valve-containing fittings that are screwed into the two screw holes, respectively; A pump comprising: a spring that acts on the plunger; and a solenoid that is driven by a direct current and acts on the plunger so as to push the plunger toward the space against the spring when energized.

(2) The pump according to claim (1), wherein the plunger includes an O-ring on its outer periphery that contacts the inner surface of the sleeve.

(3) The pump according to claim (1), wherein the plunger is made of polytetrafluoroethylene and has a plurality of folds on its outer periphery that contact the inner surface of the sleeve.