CN2705613Y - 摩托车发动机气缸体 - Google Patents

摩托车发动机气缸体 Download PDF

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Publication number
CN2705613Y
CN2705613Y CN 200420033790 CN200420033790U CN2705613Y CN 2705613 Y CN2705613 Y CN 2705613Y CN 200420033790 CN200420033790 CN 200420033790 CN 200420033790 U CN200420033790 U CN 200420033790U CN 2705613 Y CN2705613 Y CN 2705613Y
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China
Prior art keywords
cylinder body
boss
cylinder
motorcycle engine
bolt
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Expired - Fee Related
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CN 200420033790
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English (en)
Inventor
尹明善
�田�浩
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Lifan Technology Group Co Ltd
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Lifan Industry Group Co Ltd
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Priority to CN 200420033790 priority Critical patent/CN2705613Y/zh
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Publication of CN2705613Y publication Critical patent/CN2705613Y/zh
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Abstract

一种摩托车发动机气缸体,在缸体3上有凸台1,其特征在于:在缸体的凸台的孔内攻有螺纹2。该实用新型在连接缸头和缸体时不需要锁紧螺母,螺栓穿过气缸头和缸体凸台的螺孔,直接拧紧螺栓即可。其优点是,装配和维修都很方便,减少了装配工序,提高了工作效率,又能降低装配成本,装配质量得到进一步改善。

Description

摩托车发动机气缸体
一、技术领域:
本实用新型涉及一种摩托车发动机气缸体。
二、背景技术:
目前,摩托车气缸的装配,是用螺栓穿过缸头和缸体凸台的光滑通孔,再用螺母锁紧。它存在的缺点是装配和撤卸都不方便,因为,螺栓在装配时由于通孔不能过大,要刚好穿过,螺栓的螺纹易损坏,导致螺母不容易锁紧。又由于通孔是气孔结构,螺栓必须通过螺母锁定,如果在装配时螺栓的螺纹被损坏(如滑丝),撤卸就困难了,所以常常会出现装配和维修进退两难的现象。
三、发明内容:
本实用新型的目的是提供一种装配和维修都很方便的摩托车发动机气缸体。
本实用新型的具体方案是:一种摩托车发动机气缸体,在气缸体上有凸台,其特征在于:在缸体凸台的孔内攻有螺纹。
采用上述方案,在连接缸头和缸体时不需要锁紧螺母。螺栓穿过缸头和缸体凸台的螺孔,直接拧紧螺栓即可。其优点是避免了螺纹滑丝,装配和维修都很方便,减少了装配工序,提高了工作效率,又能降低装配成本,装配质量得到改善。
四、附图说明:
图1是气缸缸体3的主视图。
图2是图1的A-A剖视图。
五、具体实施方案:
请看图1、图2,本实用新型是一种摩托车发动机气缸体。其特征在于:在缸体3的凸台1的通孔内攻有螺纹2。
本实用新型在装配气缸的缸头和缸体时,只用螺栓穿过缸头和缸体的连接凸台1,直接将螺栓拧紧,既方便又快捷,便于撤卸。

Claims (1)

1.一种摩托车发动机气缸体,在缸体(3)上有凸台(1),其特征在于:在缸体(3)的凸台(1)的孔内攻有螺纹(2)。
CN 200420033790 2004-05-28 2004-05-28 摩托车发动机气缸体 Expired - Fee Related CN2705613Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420033790 CN2705613Y (zh) 2004-05-28 2004-05-28 摩托车发动机气缸体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420033790 CN2705613Y (zh) 2004-05-28 2004-05-28 摩托车发动机气缸体

Publications (1)

Publication Number Publication Date
CN2705613Y true CN2705613Y (zh) 2005-06-22

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Family Applications (1)

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CN 200420033790 Expired - Fee Related CN2705613Y (zh) 2004-05-28 2004-05-28 摩托车发动机气缸体

Country Status (1)

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CN (1) CN2705613Y (zh)

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