JPS6348070U

JPS6348070U -

Info

Publication number: JPS6348070U
Application number: JP14093486U
Authority: JP
Priority date: 1986-09-15
Filing date: 1986-09-15
Publication date: 1988-04-01

Description

[Brief explanation of the drawing]

第１図ないし第５図はこの考案の一実施例を示
すもので、第１図は縦断面図、第２図は第１図の
―線断面図、第３図は第１図の平面図、第４
図は第１図の右側面図、第５図は方向切換弁の概
略分解斜視図である。第６図はこの考案の一適用
例を示す概略説明図である。第７図は従来例の断
面図である。Ｖ…方向切換弁、１…弁ケース、１ａ…内周壁
面、４_１，４_２，４_３，４_４…給気口、５…排気
口、７…弁室、１０…ロータ、１１…ロータ導通
路、１２…給気連通口、１３…排気連通口、２０
…ロータシール、２１…付勢部材、４０…空気動
力源、４１…吸着塔、４２…乾燥ホツパー、４５
…第２の切換弁、４９…材料投入部、Ａ…乾燥系
、Ｂ…再生系、Ｃ…１次輸送系、Ｄ…２次輸送系
。 Figures 1 to 5 show an embodiment of this invention, in which Figure 1 is a longitudinal sectional view, Figure 2 is a sectional view taken along the line - - in Figure 1, and Figure 3 is a plan view of Figure 1. , 4th
The figure is a right side view of FIG. 1, and FIG. 5 is a schematic exploded perspective view of the directional control valve. FIG. 6 is a schematic explanatory diagram showing an example of application of this invention. FIG. 7 is a sectional view of a conventional example. V... Directional switching valve, 1... Valve case, 1a... Inner peripheral wall surface, 4 ₁ , 4 ₂ , 4 ₃ , 4 ₄ ... Air supply port, 5... Exhaust port, 7... Valve chamber, 10... Rotor, 11... Rotor Conduction path, 12...Air supply communication port, 13...Exhaust communication port, 20
... rotor seal, 21 ... biasing member, 40 ... air power source, 41 ... adsorption tower, 42 ... drying hopper, 45
...Second switching valve, 49...Material input section, A...Drying system, B...Regeneration system, C...Primary transport system, D...Secondary transport system.

Claims

[Scope of utility model registration request]

In a directional control valve comprising a valve case having an air supply port and an exhaust port, and a rotor having a rotor conduit passage communicating with the air supply port and the exhaust port, the air supply communication port of the rotor conduit passage includes: A rotor seal is fitted, and the rotor seal is configured to be able to slide while being in constant pressure contact with the inner circumferential wall surface of the valve case, including the air supply port edge, by means of a biasing member installed in the rotor conduit passage. A directional valve featuring: