JPH0250466U - - Google Patents

Description

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

第１図は本考案の一実施例を示すバキユームブ
レーカの断面構成図、第２図は従来例を示し、第
１図に対応させた断面構成図である。 ５１……バキユームブレーカ、５２……ケーシ
ング、５４……通気孔、５９……可撓性弁部材、
５９ａ……側壁、５９ｂ……テーパー壁部、５９
ｃ……リブ部、６０……挿入部材、Ｈ……導水口
。 FIG. 1 is a cross-sectional configuration diagram of a vacuum breaker showing an embodiment of the present invention, and FIG. 2 is a cross-sectional configuration diagram showing a conventional example and corresponding to FIG. 1. 51...Vacuum breaker, 52...Casing, 54...Vent hole, 59...Flexible valve member,
59a...Side wall, 59b...Tapered wall portion, 59
c...Rib portion, 60...Insertion member, H...Water inlet.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 側面に通気孔を有する管状のケーシングと、該
ケーシング内に内装される導水口を有する挿入部
材と、該挿入部材と前記ケーシング間に介装され
、前記導水口を通る水流に応答して前記通気孔を
閉じ前記ケーシングからの漏水を防止するととも
に、ケーシング内の真空状態に応答して前記導水
口を通しての逆流を防止する可撓性弁部材とを備
えたバキユームブレーカにおいて、前記導水口を
前記通気孔側へ傾斜させ、該導水口を通る水流に
より前記可撓性部材を前記通気孔側へ押圧せしめ
るように構成したことを特徴とするバキユームブ
レーカ。 a tubular casing having a ventilation hole on a side surface; an insertion member having a water inlet installed inside the casing; and an insertion member interposed between the insertion member and the casing, and the insertion member disposing the water inlet in response to a water flow passing through the water inlet. a flexible valve member that closes the pores and prevents water from leaking from the casing, and prevents backflow through the water inlet in response to a vacuum condition within the casing; A vacuum breaker, characterized in that the vacuum breaker is configured to be inclined toward the ventilation hole, and the flexible member is pressed toward the ventilation hole by the water flow passing through the water inlet.