CN203640787U - 摩托车用单缸凸轮 - Google Patents

摩托车用单缸凸轮 Download PDF

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CN203640787U
CN203640787U CN201320727572.0U CN201320727572U CN203640787U CN 203640787 U CN203640787 U CN 203640787U CN 201320727572 U CN201320727572 U CN 201320727572U CN 203640787 U CN203640787 U CN 203640787U
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cam
cylinder engine
motorcycle
model
utility
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陶永文
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CHONGQING JINQIAO MACHINE MANUFACTURING CO LTD
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CHONGQING JINQIAO MACHINE MANUFACTURING CO LTD
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Abstract

本实用新型公开了一种摩托车用单缸凸轮,所述凸轮是进气和排气共用的,通过改变凸轮的型线,提高凸轮两腰的升程值,降低凸轮的最大升程,提高凸轮丰满系数,从而降低了发动机噪音,使发动机扭矩点提高至7N.m/5500转,降低了油耗,并且发动机的排放优于原机型。

Description

摩托车用单缸凸轮
技术领域
本实用新型涉及一种凸轮,尤其是摩托车发动机进排气所用的配气凸轮。
背景技术
目前,摩托车发动机进排气所用配气凸轮的型线关系到凸轮的丰满系数和充气性能,直接影响发动机输出功率、发动机输出扭矩、油耗和燃烧噪音等,直接决定燃油是否燃烧充分、尾气排放中有害气体的成分及浓度等。在能源价格飞涨的今天,消费者对摩托车性能要求苛刻的今天,各厂商均致力于研究发动机输出功率更高、油耗更低的摩托车发动机凸轮型线。
实用新型内容
本实用新型所要解决的技术问题在于提供一种最大输出功率高的摩托车用单缸凸轮。
本实用新型的技术方案如下:一种摩托车用单缸凸轮,所述凸轮(1)是进气和排气共用的,其旋转一周升程如下表:
Figure BDA0000415771470000011
Figure BDA0000415771470000021
有益效果:本实用新型通过改变凸轮的型线,提高凸轮两腰的升程值,降低凸轮的最大升程,提高凸轮丰满系数,从而降低了发动机噪音,使发动机扭矩点提高至7N.m/5500转,降低了油耗,并且发动机的排放优于原机型。
附图说明
图1为本实用新型的结构示意图。
具体实施方式
下面结合附图和实施例对本实用新型作进一步说明:
如图1所示,本实用新型包括凸轮1,所述凸轮1是进气和排气共用的,该凸轮1旋转一周升程如下表:
Figure BDA0000415771470000031
所述凸轮1用于排量为125ml的摩托车发动机。在所述凸轮1上开有销孔。

Claims (1)

1.一种摩托车用单缸凸轮,其特征在于:所述凸轮(1)是进气和排气共用的,其旋转一周升程如下表: 
Figure 20132072757201000011
CN201320727572.0U 2013-11-16 2013-11-16 摩托车用单缸凸轮 Expired - Fee Related CN203640787U (zh)

Priority Applications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105484818A (zh) * 2016-01-06 2016-04-13 重庆金桥机器制造有限责任公司 摩托车用单缸凸轮

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105484818A (zh) * 2016-01-06 2016-04-13 重庆金桥机器制造有限责任公司 摩托车用单缸凸轮

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