JPH0257164U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案液体射出装置の一実施例の縦断
面図、第２図は第１図のＡ−Ａ線断面図である。 １……押下げヘツド、２……ステム、３……シ
リンダー、４……筒状ピストン、６……弁座、１
４……弁体、１５……吐出弁、２７……吸込み弁
。 FIG. 1 is a longitudinal sectional view of an embodiment of the liquid ejecting device of the present invention, and FIG. 2 is a sectional view taken along the line A--A in FIG. 1... Push-down head, 2... Stem, 3... Cylinder, 4... Cylindrical piston, 6... Valve seat, 1
4... Valve body, 15... Discharge valve, 27... Suction valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 上端に押下げヘツド１を連通固定したステム２
下端に固定されてシリンダー３に上下摺動可能に
内嵌された筒状ピストン４から、周壁５に下部の
弁座６を除いて周方向とびとびの吐出孔７を開け
、かつ上底８に孔９を開けた逆カツプ状の弁座部
材１０をステム２内に立設形成し、この弁座部材
１０に、前記弁座６に密に弾接内嵌する弁板１１
の上面から前記孔９に貫通する軸１２を起立した
逆Ｔ字形であつて、常時復帰ばね１３で下方に付
勢されて吐出孔７を塞いでいる弁体１４を昇降可
能に取付けた吐出弁１５を具えた液体射出装置。 Stem 2 with push-down head 1 fixed in communication at the upper end
From a cylindrical piston 4 fixed at the lower end and fitted into the cylinder 3 so as to be able to slide vertically, discharge holes 7 are formed in the circumferential wall 5 at intervals in the circumferential direction except for the lower valve seat 6, and holes are formed in the upper bottom 8. A valve seat member 10 in the shape of an inverted cup with opening 9 is formed upright in the stem 2, and a valve plate 11 is fitted into the valve seat member 10 in tight elastic contact with the valve seat 6.
The discharge valve has an inverted T-shape with a shaft 12 extending from the upper surface and penetrating into the hole 9, and has a valve body 14, which is always biased downwardly by a return spring 13 and closes the discharge hole 7, mounted so as to be movable up and down. A liquid injection device comprising 15.