CN2251039Y - 井口防盗闸阀 - Google Patents

井口防盗闸阀 Download PDF

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Publication number
CN2251039Y
CN2251039Y CN 96205972 CN96205972U CN2251039Y CN 2251039 Y CN2251039 Y CN 2251039Y CN 96205972 CN96205972 CN 96205972 CN 96205972 U CN96205972 U CN 96205972U CN 2251039 Y CN2251039 Y CN 2251039Y
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China
Prior art keywords
theft
gate valve
well head
utility
model
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Expired - Fee Related
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CN 96205972
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李志英
刘砚田
李荣禄
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GENERAL MECHANICAL FACTORY DAQING PETROLEUM ADMINISTRATION
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GENERAL MECHANICAL FACTORY DAQING PETROLEUM ADMINISTRATION
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Priority to CN 96205972 priority Critical patent/CN2251039Y/zh
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Abstract

本实用新型提供了一种不易被盗的井口防盗闸阀,它是在现有井口闸阀基础上改进实现的。主要特征是防盗盖7以键8连接螺母5,其周壁开有套孔6;防盗盖7、螺母5用防盗销9楔紧。该装置安装简单,不易被盗,是目前油田防盗较好的井口闸阀。

Description

井口防盗闸阀
本实用新型涉及闸阀,属于油田采油树上的井口防盗闸阀。
目前,油田采油井和注水井的井口上都装有采油树,采油树上装有闸阀,可用通用工具卸下闸阀零部件。这给不法分子造成可乘之机,使得闸阀经常被盗,不仅造成经济损失,同时影响生产,甚至造成油、水井停产。
本实用新型的目的就是为了克服现有技术的不足而提供一种不易被盗的井口防盗闸阀
本实用新型的目的是在现有井口闸阀基础上改进实现的:防盗盖以键连接螺母,其周壁开有套孔;防盗盖、螺母用防盗销楔紧。
上述的套孔在防盗盖周壁均匀分布4个,防盗销中心开有阶梯光孔。
本实用新型与现有技术相比具有如下优点:由于防盗盖、螺母用防盗销楔紧,使得防盗盖与螺母固定在一起,即使用工具插入套孔旋转也无法卸掉防盗盖,这样闸阀不致被盗。
附图1是本实用新型的结构图;
附图2是本实用新型A-A剖视图。
下面结合附图对本实用新型作进一步说明:
附图1中,阀帽2螺纹连接阀体1、轴承顶丝4,阀杆11螺纹连接螺母5后,用防盗销9把防盗盖7、螺母5楔紧固定在一起,防松螺钉10螺纹固定轴承顶丝4、阀帽2,丝堵3螺纹连接阀帽2。
使用该闸阀时,可通过丝堵3注入黄油使闸阀防锈润滑;当需要更换闸阀部件时,用丝锥在销9的光孔里攻丝,然后用拔销器把销9拔出,即可卸下所有零部件;当闸阀需要开关时,用搬杠插入套孔6中旋转即可。

Claims (3)

1.一种井口防盗闸阀,是在现有井口闸阀基础上改进的,其特征在于:防盗盖(7)以键(8)连接螺母(5),其周壁开有套孔(6);盖(7)、螺母(5)用防盗销(9)楔紧。
2.根据权利要求1所述的井口防盗闸阀,其特征在于:套孔(6)在盖(7)周壁均匀分布4个。
3.根据权利要求1所述的井口防盗闸阀,其特征在于:防盗销(9)中心开有阶梯光孔。
CN 96205972 1996-03-06 1996-03-06 井口防盗闸阀 Expired - Fee Related CN2251039Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96205972 CN2251039Y (zh) 1996-03-06 1996-03-06 井口防盗闸阀

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 96205972 CN2251039Y (zh) 1996-03-06 1996-03-06 井口防盗闸阀

Publications (1)

Publication Number Publication Date
CN2251039Y true CN2251039Y (zh) 1997-04-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 96205972 Expired - Fee Related CN2251039Y (zh) 1996-03-06 1996-03-06 井口防盗闸阀

Country Status (1)

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CN (1) CN2251039Y (zh)

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