CN102953971B - 延寿油泵 - Google Patents

延寿油泵 Download PDF

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Publication number
CN102953971B
CN102953971B CN201210477631.3A CN201210477631A CN102953971B CN 102953971 B CN102953971 B CN 102953971B CN 201210477631 A CN201210477631 A CN 201210477631A CN 102953971 B CN102953971 B CN 102953971B
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plunger
chute
bushing
oil pump
long life
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CN102953971A (zh
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丁黎清
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Guangdong Gaohang Intellectual Property Operation Co ltd
Zhuhai Winbase International Chemical Tank Terminal Co ltd
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JIANGSU GAOBO ZHIRONG TECHNOLOGY Co Ltd
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Abstract

本发明公开一种延寿油泵，包括有柱塞和柱塞套，该柱塞密封滑动地设在柱塞套内，柱塞伸出柱塞套的一端上设有滑槽，柱塞套开口处上设有与该滑槽吻合的凸起，该滑槽沿柱塞轴向为螺旋式设置。本发明延寿油泵将柱塞上设置螺旋式滑槽，而在柱塞套开口处设有与滑槽对应的凸起，在柱塞做往复运动时柱塞既沿轴向移动又沿柱塞周向旋转，柱塞在柱塞套中摩擦不像现有的柱塞仅为轴向上摩擦，将摩擦分为轴向和周向两部分，从而柱塞磨损效率降低，相对延长了其使用寿命。

Description

延寿油泵
技术领域
本发明是一种延寿油泵。
背景技术
油泵是一种输送油或对油进行增压的机械，一般为活塞式结构，即包含柱塞和柱塞套，柱塞经凸轮带动上行，同时压缩柱塞套内的弹簧，接着弹簧恢复而顶着柱塞下行；在柱塞上下行过程中，相应入口和出口打开，实现输送油的功能。这样的油泵由于需要弹性件的作用，使用时间长，会影响其弹性，从而导致使用寿命短，同时结构复杂。
发明内容
本发明的目的是提供一种延寿油泵，解决现有油泵使用寿命短的问题。
本发明的目的通过以下技术方案来具体实现：一种延寿油泵，包括有柱塞和柱塞套，该柱塞密封滑动地设在柱塞套内，柱塞伸出柱塞套的一端上设有滑槽，柱塞套开口处上设有与该滑槽吻合的凸起，该滑槽沿柱塞轴向为螺旋式设置。
进一步地，该柱塞套侧壁上设有入油口，在柱塞往复运动中打开或关闭该入油口。
进一步地，该柱塞内设有通道，在柱塞做往复运动中，该通道一端与入油口导通，另一端设在柱塞顶部。
进一步地，所述凸起上设有可设在滑槽中的滚轮。
本发明延寿油泵将柱塞上设置螺旋式滑槽，而在柱塞套开口处设有与滑槽对应的凸起，在柱塞做往复运动时柱塞既沿轴向移动又沿柱塞周向旋转，柱塞在柱塞套中摩擦不像现有的柱塞仅为轴向上摩擦，将摩擦分为轴向和周向两部分，从而柱塞磨损效率降低，相对延长了其使用寿命。
说明书附图
下面根据附图和实施例对本发明作进一步详细说明。
图1是本发明实施例所述延寿油泵的结构示意图。
具体实施方式
下面采用具体实施例结合附图对本发明进行详细描述：
如图1所示的一种延寿油泵，包括有柱塞2和柱塞套1，该柱塞2密封滑动地设在柱塞套1内，柱塞2伸出柱塞套1的一端上设有滑槽21，柱塞套1开口处上设有与该滑槽21吻合的凸起13，该滑槽21沿柱塞2轴向为螺旋式设置。
图1所示的入油口11和出油口12均设在柱塞套1的顶部，可将入油口11设在柱塞套1的侧壁上，这样在柱塞2的往复运动中，柱塞2可关闭或打开该入油口11。与侧壁上的入油口11对应，可在柱塞2中设置通道，在柱塞2做往复运动中，该通道一端与入油口11连通，另一端设在柱塞2顶部，也即入油口11与柱塞套1内部导通。
图1中所示凸起13上设有滚轮，方便在滑槽21中运动，减小摩擦力。

Claims (2)

1.一种延寿油泵，包括有柱塞和柱塞套，其特征在于：该柱塞密封滑动地设在柱塞套内，柱塞伸出柱塞套的一端上设有滑槽，柱塞套开口处上设有与该滑槽吻合的凸起，该滑槽沿柱塞轴向为螺旋式设置；该柱塞套侧壁上设有入油口，在柱塞往复运动中打开或关闭该入油口；所述凸起上设有可设在滑槽中的滚轮。
2.如权利要求1所述延寿油泵，其特征在于：该柱塞内设有通道，在柱塞做往复运动中，该通道一端与入油口导通，另一端设在柱塞顶部。
CN201210477631.3A 2012-11-22 2012-11-22 延寿油泵 Active CN102953971B (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1042218A (zh) * 1988-10-06 1990-05-16 卢卡斯工业有限公司 泵
CN1119034A (zh) * 1993-03-11 1996-03-20 哈兹电机制造公司 柴油机喷油泵
US6290475B1 (en) * 2000-03-30 2001-09-18 Jerry M. Snow Helical wiper for sucker rod pump
CN2476657Y (zh) * 2001-04-11 2002-02-13 胜利石油管理局总机械厂 柱塞旋转机构
CN201062576Y (zh) * 2007-07-27 2008-05-21 邢小男 柱塞泵
CN201265519Y (zh) * 2008-09-22 2009-07-01 贝世伟 自转柱塞抽油泵

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1042218A (zh) * 1988-10-06 1990-05-16 卢卡斯工业有限公司 泵
CN1119034A (zh) * 1993-03-11 1996-03-20 哈兹电机制造公司 柴油机喷油泵
US6290475B1 (en) * 2000-03-30 2001-09-18 Jerry M. Snow Helical wiper for sucker rod pump
CN2476657Y (zh) * 2001-04-11 2002-02-13 胜利石油管理局总机械厂 柱塞旋转机构
CN201062576Y (zh) * 2007-07-27 2008-05-21 邢小男 柱塞泵
CN201265519Y (zh) * 2008-09-22 2009-07-01 贝世伟 自转柱塞抽油泵

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