CN202900818U - 改进型4wmm16-5x手动换向阀 - Google Patents

改进型4wmm16-5x手动换向阀 Download PDF

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Publication number
CN202900818U
CN202900818U CN 201220415353 CN201220415353U CN202900818U CN 202900818 U CN202900818 U CN 202900818U CN 201220415353 CN201220415353 CN 201220415353 CN 201220415353 U CN201220415353 U CN 201220415353U CN 202900818 U CN202900818 U CN 202900818U
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China
Prior art keywords
hand
4wmm16
valve body
operated direction
casting
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Expired - Fee Related
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CN 201220415353
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English (en)
Inventor
俞卫
倪敏
姚远
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JIANGSU JIAYITE HYDRAULIC CO Ltd
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JIANGSU JIAYITE HYDRAULIC CO Ltd
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Priority to CN 201220415353 priority Critical patent/CN202900818U/zh
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Abstract

本实用新型公开了一种改进型4WMM16-5X手动换向阀,该手动换向阀包括阀体(1),其特征是:阀体(1)上无铸造工艺孔,阀体铸造时省去X、Y口泥芯。本实用新型结构简单,阀体铸造时省去X、Y口泥芯,铸造成本低,省去对铸造工艺孔的扩孔à沉孔à攻丝工序,降低人工成本,避免铸造工艺孔渗油现象的发生,延长阀的使用寿命,节约维修费用。

Description

改进型4WMM16-5X手动换向阀
技术领域
本实用新型涉及液压阀,属于液压机械制造领域,具体涉及一种改进型4WMM16-5X手动换向阀。 
背景技术
常规4WMM16-5X手动换向阀的阀体的顶面有两个铸造工艺孔,在加工时必须将两铸造工艺孔扩孔、沉孔、攻丝,在使用过程中有时会出现顶面渗油现象, 
发明内容
本实用新型的目的是:提供一种改进型4WMM16-5X手动换向阀,降低生产成本和铸造加工难度,避免渗油现象的发生。 
本实用新型的技术解决方案是:该手动换向阀包括阀体,其特征是:阀体上无铸造工艺孔,阀体铸造时省去X、Y口泥芯。 
本实用新型的优点是:结构简单,阀体铸造时省去X、Y口泥芯,节省铸造成本,省去对铸造工艺孔的扩孔、沉孔、攻丝工序,降低人工成本,避免铸造工艺孔渗油现象的发生,延长阀的使用寿命,节约维修费用。 
附图说明
    图1为本实用新型的阀体示意图。 
图中:1阀体。 
具体实施方式
如图1所示,该手动换向阀包括阀体1,其特征是:阀体1上无铸造工艺孔,阀体铸造时省去X、Y口泥芯。 

Claims (1)

1.改进型4WMM16-5X手动换向阀,该手动换向阀包括阀体(1),其特征是:阀体(1)上无铸造工艺孔,阀体铸造时省去X、Y口泥芯。
CN 201220415353 2012-08-21 2012-08-21 改进型4wmm16-5x手动换向阀 Expired - Fee Related CN202900818U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220415353 CN202900818U (zh) 2012-08-21 2012-08-21 改进型4wmm16-5x手动换向阀

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220415353 CN202900818U (zh) 2012-08-21 2012-08-21 改进型4wmm16-5x手动换向阀

Publications (1)

Publication Number Publication Date
CN202900818U true CN202900818U (zh) 2013-04-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220415353 Expired - Fee Related CN202900818U (zh) 2012-08-21 2012-08-21 改进型4wmm16-5x手动换向阀

Country Status (1)

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CN (1) CN202900818U (zh)

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Granted publication date: 20130424

Termination date: 20130821