JPS6299322U - - Google Patents

Description

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

図面は本考案の実施例を示すもので、第１図は
第２図におけるＡ―Ａ線で切断した側断面図、第
２図は正面図、第３図は第２図におけるＢ―Ｂ線
断面図である。 ２……乾燥剤、１１……導入孔、１２……連通
路、１３……絞り通路、１４……排気孔、１６…
…圧力制御用電磁弁、１７……弁体、１９……残
圧弁、２０……通路、２１……スプリング、２４
……供給孔。 The drawings show an embodiment of the present invention, and FIG. 1 is a side sectional view taken along the line AA in FIG. 2, FIG. 2 is a front view, and FIG. 3 is a sectional view taken along the line BB in FIG. 2. FIG. 2... Desiccant, 11... Introduction hole, 12... Communication path, 13... Restriction path, 14... Exhaust hole, 16...
... Solenoid valve for pressure control, 17 ... Valve body, 19 ... Residual pressure valve, 20 ... Passage, 21 ... Spring, 24
...Supply hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 乾燥剤層の一側に圧縮空気の導入孔と大気への
排気路を設け、他側に空気機器への空気供給孔を
設け、かつ、前記排気路を、器内に開口する連通
路と大気に開口する排気孔とを絞り通路で連通し
て形成すると共に前記絞り通路の上流開口部を圧
力制御用電磁弁で開閉するようにしたものにおい
て、前記絞り通路の下流に大径の通路を設けると
共に該通路の開口端に、該通路の軸方向に進退し
て開閉すると共にスプリングによつて常時閉方向
に付勢してなる逆止弁状の残圧弁を設けたことを
特徴とする空気乾燥器。 A compressed air introduction hole and an exhaust path to the atmosphere are provided on one side of the desiccant layer, and an air supply hole to the air equipment is provided on the other side, and the exhaust path is connected to a communication path opening into the container and the atmosphere. an exhaust hole opening into the throttle passageway, and the upstream opening of the throttle passageway is opened and closed by a pressure control solenoid valve, in which a large-diameter passageway is provided downstream of the throttle passageway. An air dryer characterized in that a residual pressure valve in the form of a check valve is provided at the open end of the passageway, and the residual pressure valve is moved forward and backward in the axial direction of the passageway to open and close, and is normally biased in the closing direction by a spring. vessel.