CN2387283Y - 可泄油式抽油泵 - Google Patents

可泄油式抽油泵 Download PDF

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Publication number
CN2387283Y
CN2387283Y CN 99242833 CN99242833U CN2387283Y CN 2387283 Y CN2387283 Y CN 2387283Y CN 99242833 CN99242833 CN 99242833 CN 99242833 U CN99242833 U CN 99242833U CN 2387283 Y CN2387283 Y CN 2387283Y
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China
Prior art keywords
joint
oil
pump
well pump
hollow pin
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Expired - Lifetime
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CN 99242833
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English (en)
Inventor
赵玉华
李金柱
张波
邓卫东
王彦
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Zhongyuan Petroleum Exploration Bureau Machinery Manufacturing Plant
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Zhongyuan Petroleum Exploration Bureau Machinery Manufacturing Plant
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Priority to CN 99242833 priority Critical patent/CN2387283Y/zh
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Abstract

本实用新型公开了一种可泄油式抽油泵。它由上接头、柱塞总成、泵筒、进油阀总成、下接头组成,泵筒的下端接有中间部位开有侧孔的偏心接头,侧孔上安装有空心销,空心销与侧孔由“O”形密封圈密封,偏心接头的下端接有下接头,在偏心接头与下接头之间装有进油阀总成。本实用新型具有密封性能好,结构更加紧凑,便于安装等优点。

Description

可泄油式抽油泵
本实用新型涉及一种可泄油式抽油泵。
目前在油田使用的抽油泵自身不具备泄油装置,而是与专门的泄油器配套使用才能达到目的,这样不仅增加了抽油泵的附加结构,而且提高了生产抽油泵及泄油器的综合成本。
本实用新型的目的就是提供一种可泄油式抽油泵。
本实用新型的目的是这样实现的:可泄油式抽油泵由上接头、柱塞总成、泵筒、进油阀总成、下接头组成,进油阀总成包括阀罩、阀球、阀座三部分,泵筒的下端接有中间部位开有一侧孔的偏心接头,侧孔上安装有空心销,空心销与侧孔由“O”形密封圈密封,偏心接头的下端接有进油阀总成。
本实用新型将常规管式泵的泵筒下接头、进油阀罩及二者之间的泄油器合为一体,省去了三处螺纹连接,改善了密封性能,结构更加紧凑,便于安装,为抽油泵及泄油器的生产降低了综合成本。
下面结合附图对本实用新型作进一步描述:
图1:可泄油式抽油泵结构示意图;
图中:1-上接头、2-柱塞总成、3-泵筒、4-偏心接头、
      5-空心销、6-阀罩、7-阀球、8-阀座、9-下接头;
可泄油式抽油泵由上接头1、柱塞总成2、泵筒3、进油阀总成、下接头9组成,进油阀总成包括阀罩6、阀球7、阀座8三部分,泵筒3的下端接有中间部位开有一侧孔的偏心接头4,侧孔上安装有空心销5,空心销5与侧孔由“O”形密封圈密封,偏心接头4的下端接有下接头9,在偏心接头4与下接头9之间装有进油阀总成。
抽油时,可泄油式抽油泵按常规作业,在检泵时,先将柱塞总成取出,再向井内投入一小段抽油杆将空心销的头部撞断,油管及泵筒内的液体就可通过空心销的中心孔泄入井底,然后就可将抽油泵轻松取出。检泵完毕后,只要更换新的空心销,就可重新下泵。

Claims (1)

1、一种可泄油式抽油泵由上接头(1)、柱塞总成(2)、泵筒(3)、进油阀总成、下接头(9)组成,进油阀总成包括阀罩(6)、阀球(7)、阀座(8)三部分,其特征在于:泵筒(3)的下端接有中间部位开有一侧孔的偏心接头(4),侧孔上安装有空心销(5),空心销(5)与侧孔由“O”形密封圈密封,偏心接头(4)的下端接有下接头(9),在偏心接头(4)与下接头(9)之间装有进油阀总成(6)、(7)、(8)。
CN 99242833 1999-09-10 1999-09-10 可泄油式抽油泵 Expired - Lifetime CN2387283Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 99242833 CN2387283Y (zh) 1999-09-10 1999-09-10 可泄油式抽油泵

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 99242833 CN2387283Y (zh) 1999-09-10 1999-09-10 可泄油式抽油泵

Publications (1)

Publication Number Publication Date
CN2387283Y true CN2387283Y (zh) 2000-07-12

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CN 99242833 Expired - Lifetime CN2387283Y (zh) 1999-09-10 1999-09-10 可泄油式抽油泵

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CN (1) CN2387283Y (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100343515C (zh) * 2004-11-10 2007-10-17 大庆油田有限责任公司 水平抽油泵

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100343515C (zh) * 2004-11-10 2007-10-17 大庆油田有限责任公司 水平抽油泵

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