JPS62202948U - - Google Patents

Description

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

第１図及び第２図イ，ロは本考案の一実施例を
示し、第１図は縦断面図、第２図イ，ロはバルブ
閉、開状態の縦断面図、第３図イ，ロは別の実施
例におけるバルブ閉、開状態の縦断面図である。 １……外管、２……内管、１Ａ，２Ａ……内部
孔、１Ｂ，２Ｂ……ノズル孔、３……駆動回転機
構。 Figures 1 and 2 (a) and (b) show an embodiment of the present invention. Figure 1 is a longitudinal sectional view, Figure 2 (a) and (b) are longitudinal sectional views of the valve in the closed and open states, and Figure 3 (a) B is a vertical cross-sectional view of the valve in the closed and open states in another embodiment. 1... Outer tube, 2... Inner tube, 1A, 2A... Internal hole, 1B, 2B... Nozzle hole, 3... Drive rotation mechanism.

Claims (1)

【実用新案登録請求の範囲】 (1) 縦断面形状が逆Ｕ字形又は略逆Ｕ字形の耐
火物製外管１の内部孔１Ａ内に、該内部孔１Ａの
内周面と等しい外周面形状を有する縦断面形状が
逆Ｕ字形又は略逆Ｕ字形の耐火物製内管２を回転
のみ自在に密接嵌合させ、これら内、外管２，１
の頂部又は頂部近くの側壁部に、溶融金属を前記
内管２の内部孔２Ａ内に流入させることが可能な
ノズル孔２Ｂ，１Ｂを形成するとともに、前記内
管２を、前記両ノズル孔２Ｂ，１Ｂが連通合致す
る状態と非連通変位する状態とに切換えるべく駆
動回転させる機構３を設けてあることを特徴とす
る溶融金属の流量制御用バルブ。 (2) 対象とするバルブが、鋼の連続鋳造設備に
おける溶鋼流出用バルブである実用新案登録請求
の範囲第１項に記載の溶融金属の流量制御用バル
ブ。[Scope of Claim for Utility Model Registration] (1) Inside the inner hole 1A of the refractory outer tube 1 having an inverted U-shape or a substantially inverted U-shape in longitudinal cross-section, an outer circumferential surface having a shape equal to the inner circumferential surface of the inner hole 1A. A refractory inner tube 2 having an inverted U-shape or a substantially inverted U-shape in vertical cross section is closely fitted to allow only rotation, and these inner and outer tubes 2, 1
Nozzle holes 2B and 1B are formed at the top or a side wall near the top of the inner tube 2 to allow the molten metal to flow into the inner hole 2A of the inner tube 2. . (2) The valve for controlling the flow rate of molten metal according to claim 1, wherein the target valve is a valve for outflowing molten steel in continuous steel casting equipment.