A water level control valve comprises a valve body, valve cover and floating body, which is characterized in that the valve opened on the side of a water outlet, the valve core is provided with a through hole, and the valve spool in the valve body and the valve core is movably matched, with a sealing ring is arranged between the end cover and the valve body surface, tight fitting, a reset spring is arranged between the end cover and spool, the end cover is provided with a piston hole and an air outlet hole, a hole and a piston hole communicated with a movable piston hole is provided with a piston, and the lower end of the piston against the floating body and the end cover is movably connected.
【技术实现步骤摘要】
本技术涉及水位控制装置,特别是水箱水位控制阀。现有水箱水位的控制大多采用浮球阀,虽结构简单,造价低廉,但工作不可靠,易失灵、漫水,造成水资源的浪费。本技术的目的在于提供一种结构简单且工作可靠的水箱水位控制阀。本技术含有阀体、阀芯、端盖、浮体,阀体侧边开有出水孔,阀芯上开有通孔,阀芯与阀体活动相配,在阀体与阀芯结合面之间设有密封圈,端盖与阀体紧配,端盖与阀芯之间装有复位弹簧,端盖上设有活塞孔及出气孔,出气孔与活塞孔相通,活塞孔中活动装有活塞,活塞下端抵住与端盖活动连接的浮体。本技术具有结构简单、工作可靠等优点,适用于多类水箱水位控制。下面给出本技术的实施例及其附图。附图说明图1为本技术实施例的结构示意图;图2为本技术实施例的A-A剖面图。现结合附图对本技术实施例作详细描述阀体1上端设有连接螺纹,阀体1两侧边开有出水孔5,阀芯3上开有通孔2,阀芯3为整体结构,阀芯3与阀体1活动相配,端盖10与阀体1紧配,在阀体1与阀芯3结合面之间设有密封圈4、6,端盖10与阀芯3之间状有复位弹簧7,端盖10上设有活塞孔11及出气孔8、9,出气孔8、9与活塞孔11相通,活塞孔11中活动装有活塞13,活塞13上端装有密封垫12,活塞13下端制成球面,浮体由浮筒15通过连接杆14与端盖10活动相连而成,浮筒15置于与端盖10紧配的导套16内,活塞13下端球面抵住连接杆14。使用时,将阀体1上端固定在水箱进水管上,悬吊在水箱内上部位置,浮筒15在下,阀体1在上。当水箱内水位低于浮筒15所处的自由状态位置时,浮筒15在自重作用下自由下垂,处于下极限位置,相应地,活塞13在自重作用 ...
【技术保护点】
【技术特征摘要】
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