CN1563780A - 一种内燃机机油泵 - Google Patents

一种内燃机机油泵 Download PDF

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CN1563780A
CN1563780A CN200410014460.6A CN200410014460A CN1563780A CN 1563780 A CN1563780 A CN 1563780A CN 200410014460 A CN200410014460 A CN 200410014460A CN 1563780 A CN1563780 A CN 1563780A
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pump
engine
pump case
rotor
distributing plate
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CN100389284C (zh
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陈杰余
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Dafeng District Productivity Promotion Center Yancheng City
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Abstract

本发明涉及一种内燃机机油泵,本人的在先专利申请一种内啮合摆线齿轮泵,它解决了原机油泵漏油严重的问题,但仍有少数泵的安装螺栓孔有渗油现象。本发明由泵壳、内转子、外转子、轴和配流盘组成,内转子位于外转子内,并固定在轴上,安装在泵壳内,泵壳呈内凹状的盘形,泵壳的开口端有一个定位凸台,配流盘嵌入并固定在泵壳开口处,轴的一端套在配流盘中心孔中。本发明由于将机油泵与柴油机安装时的定位凸台由原来的配流盘改为泵壳,这样从配流盘和泵壳间的装配缝隙中渗漏出的少量油就不受泵壳与柴油机机体、轴承外圈形成的接触面的阻隔,而顺势进入柴油机内,彻底杜绝了漏油现象。

Description

一种内燃机机油泵
所属技术领域
本发明涉及一种内燃机机油泵,特别是单缸柴油机润滑系统中使用的内燃机机油泵。
背景技术
由本人申请的专利号为ZL00216717.4的一种内啮合摆线齿轮泵,它将原机油泵分体叠合式的结构,改进为整体包容式结构。在这种结构中,配流盘表面略高于泵壳端面,正好形成了机油泵安装的定位凸台。这种内啮合摆线齿轮泵解决了原机油泵漏油严重的问题,同时输出油压也可调节。然而,在实际使用过程中,我们发现仍有少数泵的安装螺栓孔有渗油现象。
发明内容
本发明的目的在于提供一种可杜绝漏油现象的内燃机机油泵。
本发明的设计思路是减小配流盘的直径,将机油泵与柴油机安装时的定位凸台由原来的配流盘改为泵壳,这样从配流盘和泵壳间的装配缝隙中渗漏出的少量油就不受泵壳与柴油机机体、轴承外圈形成的接触面的阻隔,而顺势进入柴油机内。根据上述设计思路,本发明的技术解决方案是:一种内燃机机油泵,它由泵壳、内转子、外转子、轴和配流盘组成,内、外转子的齿廓为摆线,内转子位于外转子内,并固定在轴上,内、外转子之间有一定偏心距,并装在泵壳内,泵壳呈内凹状的盘形,泵壳的开口端有一个与柴油机机体相配合定位的凸台,配流盘嵌入并固定在泵壳开口处,轴的一端套在配流盘中心孔中。
本发明由于将机油泵与柴油机安装时的定位凸台由原来的配流盘改为泵壳,这样从配流盘和泵壳间的装配缝隙中渗漏出的少量油就不受泵壳与柴油机机体、轴承外圈形成的接触面的阻隔,而顺势进入柴油机内,彻底杜绝了漏油现象。
附图说明
附图为本发明剖视图。
图中:1、泵壳,2、配流盘,3、内转子,4、轴,5、外转子,6、凸台。
具体实施方式
如图,一种内燃机机油泵,它由泵壳(1)、内转子(3)、外转子(5)、轴(4)和配流盘(2)组成,内、外转子(3、5)的齿廓为摆线,内转子(3)位于外转子(5)内,并固定在轴(4)上,内、外转子(3、5)之间有一定偏心距,并装在泵壳(1)内,泵壳(1)呈内凹状的盘形,泵壳(1)的开口端有一个定位凸台(6),配流盘(2)嵌入并固定在泵壳(1)开口处,配流盘(2)表面略低于凸台(6)表面,轴(4)的一端套在配流盘(2)中心孔中。

Claims (1)

1、一种内燃机机油泵,它由泵壳、内转子、外转子、轴和配流盘组成,内、外转子的齿廓为摆线,内转子位于外转子内,并固定在轴上,内、外转子之间有一定偏心距,并装在泵壳内,泵壳呈内凹状的盘形,配流盘嵌入并固定在泵壳开口处,轴的一端套在配流盘中心孔中,其特征在于:泵壳的开口端有一个与柴油机机体相配合定位的凸台。
CNB2004100144606A 2004-03-24 2004-03-24 一种内燃机机油泵 Expired - Lifetime CN100389284C (zh)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103759120A (zh) * 2014-01-07 2014-04-30 陈锐志 一种带限压阀的机油泵
CN104930159A (zh) * 2015-07-08 2015-09-23 盐城市禾鼎机械有限公司 高稳定高节能的机油泵从动齿轮及其表面处理方法
CN105782689A (zh) * 2016-02-29 2016-07-20 无锡南理工科技发展有限公司 改进型内燃机机油泵
CN107606459A (zh) * 2017-08-21 2018-01-19 王道红 一种大流量新型内燃机机油泵
CN109139814A (zh) * 2018-10-30 2019-01-04 广东技术师范学院 一种摆线针轮减速器
CN110168224A (zh) * 2017-01-11 2019-08-23 松下知识产权经营株式会社 电动油泵

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4827881A (en) * 1988-06-01 1989-05-09 Saturn Corporation Engine oil pump
JPH06200722A (ja) * 1992-12-28 1994-07-19 Suzuki Motor Corp エンジンのオイルポンプ
JPH08135422A (ja) * 1994-11-04 1996-05-28 Suzuki Motor Corp オイルポンプのオイル逃し構造
JPH09210187A (ja) * 1996-01-31 1997-08-12 Hino Motors Ltd トランスミッションに使用されるオイル・ポンプ
CN2396209Y (zh) * 1999-12-03 2000-09-13 江苏机油泵厂 嵌入式机油泵
CN2413061Y (zh) * 2000-03-06 2001-01-03 陈杰余 一种内啮合摆线齿轮泵
JP4518662B2 (ja) * 2000-12-11 2010-08-04 本田技研工業株式会社 内燃機関のオイルポンプ
CN2511854Y (zh) * 2001-01-18 2002-09-18 浙江淳安泵业有限责任公司 机油泵
CN2680955Y (zh) * 2004-03-26 2005-02-23 陈杰余 一种内燃机机油泵

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103759120A (zh) * 2014-01-07 2014-04-30 陈锐志 一种带限压阀的机油泵
CN103759120B (zh) * 2014-01-07 2016-07-06 陈锐志 一种带限压阀的机油泵
CN104930159A (zh) * 2015-07-08 2015-09-23 盐城市禾鼎机械有限公司 高稳定高节能的机油泵从动齿轮及其表面处理方法
CN105782689A (zh) * 2016-02-29 2016-07-20 无锡南理工科技发展有限公司 改进型内燃机机油泵
CN110168224A (zh) * 2017-01-11 2019-08-23 松下知识产权经营株式会社 电动油泵
CN107606459A (zh) * 2017-08-21 2018-01-19 王道红 一种大流量新型内燃机机油泵
CN109139814A (zh) * 2018-10-30 2019-01-04 广东技术师范学院 一种摆线针轮减速器

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Granted publication date: 20080521