JPS61148835U - - Google Patents

Description

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

第１図は本考案を適用したロータリーバルブの
縦断面図、第２図〜第６図はロータリーバルブの
作動を順次示す部分縦断面図、第７、第８図はそ
れぞれブレードの変形例を示す縦断面図、第９図
は縦来例の縦断面図である。１…ケース、２…ロ
ータリー軸、３…ブレード、３ａ…先端部、５…
排出口、６…投入口、９…凹部。 Fig. 1 is a vertical sectional view of a rotary valve to which the present invention is applied, Figs. 2 to 6 are partial longitudinal sectional views sequentially showing the operation of the rotary valve, and Figs. 7 and 8 each show a modification of the blade. Vertical cross-sectional view, FIG. 9 is a vertical cross-sectional view of a conventional example. DESCRIPTION OF SYMBOLS 1...Case, 2...Rotary shaft, 3...Blade, 3a...Tip part, 5...
Discharge port, 6...Input port, 9...Recess.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ロータリーケース内に概ね水平なロータリー軸
を回転自在に配置すると共に、ロータリー軸の外
周面に複数のブレードを設け、ブレードの半径方
向外方側の先端部をケース内壁面に近接させ、ケ
ースの下端部に流体排出口を設け、ケースの上部
側に粒体投入口を設けたロータリーバルブにおい
て、投入口をブレード上端よりも回転方向後方側
に位置させ、ケースの内壁面に、投入口から回転
方向前方側へ一定の距離にわたりブレードの先端
部から間隔を隔てるように凹部を形成し、ブレー
ドを概ね一様な厚さの薄い板材で構成し、粒体投
入時にブレードの回転方向前方側に空間部が出来
るように、ブレードをその先端部が回転中心側の
内端部よりも回転方向後方側に来るように傾斜さ
せたことを特徴とするロータリーバルブの噛込み
防止構造。 A generally horizontal rotary shaft is rotatably arranged inside the rotary case, and a plurality of blades are provided on the outer peripheral surface of the rotary shaft, and the radially outward tips of the blades are brought close to the inner wall surface of the case, and the lower end of the case In a rotary valve that has a fluid outlet in the upper part and a granule inlet in the upper part of the case, the inlet is located at the rear of the upper end of the blade in the direction of rotation, and the inner wall of the case is provided with a A recess is formed so as to be spaced a certain distance from the tip of the blade toward the front, and the blade is made of a thin plate with a generally uniform thickness. A structure for preventing jamming of a rotary valve, characterized in that the blade is inclined so that its tip is located on the rear side in the direction of rotation than the inner end on the rotation center side.