CN2849279Y - 简易单向节流装置 - Google Patents

简易单向节流装置 Download PDF

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Publication number
CN2849279Y
CN2849279Y CN 200520076272 CN200520076272U CN2849279Y CN 2849279 Y CN2849279 Y CN 2849279Y CN 200520076272 CN200520076272 CN 200520076272 CN 200520076272 U CN200520076272 U CN 200520076272U CN 2849279 Y CN2849279 Y CN 2849279Y
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throttling
oil
utility
model
diameter
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CN 200520076272
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耿艳杰
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Xuzhou Handler Special Vehicle Co Ltd
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XUZHOU HIGHRANGER CONSTRUCTION MACHINERY CO Ltd
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Abstract

简易单向节流装置,进油口通过节流通道与出油口连通构成油路,其特征在于,节流通道的结构是:设有节流室,该节流室直径大于油路直径,节流室中设有可在室内径向往返移动的节流板,该节流板的直径大于油路直径,其上开设有节流孔,并且在其一面设有支撑脚。优化方案有:整个节流装置制成接头体形式;或者设置在阀体里面。进一步优化是:所述的截流板采用六方体。本实用新型在完成单向截流任务的同时,由于节流部件设置在油路内部,有效地消除了现有技术调节处漏油的弊病,也避免了每次安装后均需要调节的缺点;同时本设计的体积更小,制造精度也可以适当降低,并且成本明显减少。

Description

简易单向节流装置
技术领域
本实用新型涉及一种液压部件,具体涉及一种简易单向节流装置。
背景技术
在液压系统中经常会用到单向节流阀,用来提高单方向的背压增加运动平稳性。现有技术中常选用带可调节节流口大小的单向节流阀,其结构是:进油口通过节流通道与出油口连通构成油路,在节流通道中设有调节轮或调节套。调节方式有手轮调节和旋转调节套调节,此两种结构的优点是:节流口大小可调;使用范围广。其不足是:价格高;易在调节处漏油;使用麻烦,每次安装后均需要调节;制造精度的要求高,体积大。
发明内容
针对现有技术的上述不足,本实用新型的目的是提供一种新结构的单向节流装置,新结构将克服调节处漏油和每次安装后均需要调节等缺点;同时其体积更小,安装范围广,安装简单,制造精度也可以适当降低,并且成本明显减少。
完成上述发明任务的方案是:简易单向节流装置,进油口通过节流通道与出油口连通构成油路,其特征在于,节流通道的结构是:设有节流室,该节流室直径大于油路直径,节流室中设有可在室内径向往返移动的节流板,该节流板的直径大于油路直径,其上开设有节流孔,并且在其一面设有支撑脚。
当液压油从未设支撑脚的一端流入本装置时,油压将节流板压向节流室的一端,由于支撑脚的支撑作用,节流板无法贴近油路开口,不会将油路阻断,液压油可以同时通过节流板的四周和板上的节流孔流通;当液压油从另一端流入时,油压将节流板压向相反的一端,节流板紧压在油路的开口上,将油路阻断,液压油只能通过板上的节流孔流通,达到节流目的。
以上所述的截流板可以采用圆形或多边形,本申请推荐采用六方体。
本实用新型的进一步优化,是可以做成接头体形式,也可以做在阀体里面,比较灵活。
本实用新型在完成单向截流任务的同时,由于节流部件设置在油路内部,有效地消除了现有技术调节处漏油的弊病,也避免了每次安装后均需要调节的缺点;同时本设计的体积更小,制造精度也可以适当降低,并且成本明显减少。
附图说明
图1、图2为本实用新型结构示意图,分别显示其两种工作状态;
图3、图4分别为节流板的侧视图和俯视图。
实施例1,参照图1、图2:简易单向节流装置,阀体1上的进油口A与出油口B连通构成油路,其特征在于:油路中设有节流室5,该节流室5直径大于油路直径,节流室中设有可在室内径向往返移动的六方体形的节流板2,该节流板2的直径大于油路直径,其上开设有节流孔6,并且在其一面设有支撑脚4。本单向节流阀设计成接头方式,其上设有接头体3。
工作原理:当液压油从A口进入B口时(见图1),通过油压压住节流板,液压油沿箭头方向和节流孔D3进入A口,不需节流。
当液压油从B口进入A口时(见图2),通过油压推动节流装置堵住D4口,液压油只能通过节流孔D3进入B口,实现节流。
设计时要求S>D4,S>D5,D5-D1>2,D6>D,D1>D2;D7、D8的大小约与通径大小的二分之一相同,D3、M1、M2的大小根据具体工况决定。
节流板的大小与其安装方式和流量大小:使用前需先试验节流孔的大小,确定后,可直接钻D3孔装配,不需再调节。
本装置优点:1、体积小,结构简单,制造方便;2、价格便宜;3、安装方便,可做成接头形式,也可装在阀体或阀板里。
本单向节流装置适用于任何液压系统。

Claims (3)

1、一种简易单向节流装置,进油口通过节流通道与出油口连通构成油路,其特征在于,节流通道的结构是:设有节流室,该节流室直径大于油路直径,节流室中设有可在室内径向往返移动的节流板,该节流板的直径大于油路直径,其上开设有节流孔,并且在其一面设有支撑脚。
2、按照权利要求1所述的简易单向节流装置,其特征在于:整个节流装置制成接头体形式;或者设置在阀体里面。
3、按照权利要求1或2所述的简易单向节流装置,其特征在于:所述的截流板采用六方体。
CN 200520076272 2005-10-10 2005-10-10 简易单向节流装置 Expired - Fee Related CN2849279Y (zh)

Priority Applications (1)

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CN 200520076272 CN2849279Y (zh) 2005-10-10 2005-10-10 简易单向节流装置

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CN 200520076272 CN2849279Y (zh) 2005-10-10 2005-10-10 简易单向节流装置

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CN2849279Y true CN2849279Y (zh) 2006-12-20

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Address after: No. 66 south the Yellow River Road, Jiangsu, Xuzhou Province, China: 221006

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Address after: Ma Shan Road, Jinshan Development Zone, Xuzhou City, Jiangsu Province, China: 221004

Patentee after: Xuzhou Handler Special Vehicle Co., Ltd.

Address before: No. 66 south the Yellow River Road, Jiangsu, Xuzhou Province, China: 221006

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