CN202348907U - 发动机用飞轮螺栓 - Google Patents

发动机用飞轮螺栓 Download PDF

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Publication number
CN202348907U
CN202348907U CN2011204945897U CN201120494589U CN202348907U CN 202348907 U CN202348907 U CN 202348907U CN 2011204945897 U CN2011204945897 U CN 2011204945897U CN 201120494589 U CN201120494589 U CN 201120494589U CN 202348907 U CN202348907 U CN 202348907U
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China
Prior art keywords
screw rod
bolt
engine
flywheel
head
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Expired - Fee Related
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CN2011204945897U
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English (en)
Inventor
陈永臻
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANDONG GAOQIANG FASTENER CO Ltd
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SHANDONG GAOQIANG FASTENER CO Ltd
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Priority to CN2011204945897U priority Critical patent/CN202348907U/zh
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Abstract

本实用新型公开了一种发动机用飞轮螺栓,六角螺栓头和螺杆为一体式结构,其特征在于,在螺杆的一端设有六角螺栓头,在六角螺栓头与螺杆的连接处设有平垫圈,螺纹部设在螺杆的另一端,在螺纹部的端头设有锥形头。通过以上设置,本实用新型采用优质结构钢冷镦成型,经气氛保护多用炉热处理,最后进行表面处理。本实用新型机械性能、表面质量适应于工作环境,尺寸公差、螺纹精度要求高,综合机械性能要求高。

Description

发动机用飞轮螺栓
技术领域
本实用新型涉及一种螺栓,具体说是一种发动机用飞轮螺栓。
背景技术
发动机用飞轮螺栓是用来连接飞轮的,它的性能直接影响整个发动机的质量。飞轮螺栓的工作环境要求高,防松要求严,安全性能要求高,国内生产的飞轮螺栓性能较低,国外进口的价格高。
发明内容
 本实用新型的目的便是提供一种性能优良的发动机用飞轮螺栓。
    为了实现上述目的,本实用新型的六角螺栓头和螺杆为一体式结构,在螺杆的一端设有六角螺栓头,在六角螺栓头与螺杆的连接处设有平垫圈,螺纹部设在螺杆的另一端,在螺纹部的端头设有锥形头。
    通过以上设置,本实用新型采用优质结构钢冷镦成型,经气氛保护多用炉热处理,最后进行表面处理。本实用新型机械性能、表面质量适应于工作环境,尺寸公差、螺纹精度要求高,综合机械性能要求高。
附图说明
    现结合附图对本实用新型做进一步说明。
    图1为本实用新型的结构示意图。
    图2为图1的左视图。
     图中:1、六角螺栓头,2、螺杆,3、平垫圈,4、螺纹部,5、锥形头。
具体实施方式
如图1、2所示,本实用新型的六角螺栓头1和螺杆2为一体式结构,其特征在于:在螺杆2的一端设有六角螺栓头1,在六角螺栓头1与螺杆2的连接处设有平垫圈3,螺纹部4设在螺杆2的另一端,在螺纹部4的端头设有锥形头5。通过以上设置,本实用新型螺纹部4精度要求高,能更好的起到锁紧作用,在交变力的作用下不至于松动。外形尺寸和几何形状设计合理,综合性能指标良好,为整个发动机的性能提供了保障。

Claims (1)

1. 发动机用飞轮螺栓,六角螺栓头和螺杆为一体式结构,其特征在于:在螺杆的一端设有六角螺栓头,在六角螺栓头与螺杆的连接处设有平垫圈,螺纹部设在螺杆的另一端,在螺纹部的端头设有锥形头。
CN2011204945897U 2011-12-01 2011-12-01 发动机用飞轮螺栓 Expired - Fee Related CN202348907U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204945897U CN202348907U (zh) 2011-12-01 2011-12-01 发动机用飞轮螺栓

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204945897U CN202348907U (zh) 2011-12-01 2011-12-01 发动机用飞轮螺栓

Publications (1)

Publication Number Publication Date
CN202348907U true CN202348907U (zh) 2012-07-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204945897U Expired - Fee Related CN202348907U (zh) 2011-12-01 2011-12-01 发动机用飞轮螺栓

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CN (1) CN202348907U (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104014711A (zh) * 2014-01-02 2014-09-03 昆山艺可五金有限公司 一种六角头的生产工艺
US9194633B2 (en) 2013-03-15 2015-11-24 Bp Corporation North America Inc. Bolt with integrated gasket

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9194633B2 (en) 2013-03-15 2015-11-24 Bp Corporation North America Inc. Bolt with integrated gasket
CN104014711A (zh) * 2014-01-02 2014-09-03 昆山艺可五金有限公司 一种六角头的生产工艺

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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120725

Termination date: 20121201