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发明名称
液压计量驱动喷油泵
摘要
本实用新型涉及柴油发动机供油系统中的高压喷油泵技术领域。泵体1内下部安装凸轮轴5,凸轮轴5上方安装摆臂式推杆臂9,摆臂式推杆臂9的上方安装高压柱塞12,凸轮轴5上安装设有多个凸峰的凸轮C。本实用新型由于泵套体和凸轮轴为一体,避免了螺栓连结易产生弹性变形的不足,可承受较高的油压,因此油压可在40—80MPa之内,由于燃油不与计量原件接触,使计量原件能够始终保持精密程度。
申请公布号
CN2328812Y
申请公布日期
1999.07.14
申请号
CN97233279.0
申请日期
1997.06.11
申请人
毛自珍
发明人
毛自珍;毛永斌;曾磊
分类号
F04B1/12
主分类号
F04B1/12
代理机构
代理人
主权项
1、液压计量驱动喷油泵,喷油泵有泵体(1),其特征是:泵体(1)内下部安装凸轮轴(5),凸轮轴(5)上方安装摆臂式推杆臂(9),摆臂式推杆臂(9)的上方安装高压柱塞(12),泵体(1)内上部安装套筒(26)喷油柱塞(25)和泄压转子(18),凸轮轴(5)上安装设有多个凸峰的凸轮C。
地址
261417山东省莱州市农科院毛永斌转
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