CN202883657U - 自攻防松连接螺钉 - Google Patents

自攻防松连接螺钉 Download PDF

Info

Publication number
CN202883657U
CN202883657U CN 201220489201 CN201220489201U CN202883657U CN 202883657 U CN202883657 U CN 202883657U CN 201220489201 CN201220489201 CN 201220489201 CN 201220489201 U CN201220489201 U CN 201220489201U CN 202883657 U CN202883657 U CN 202883657U
Authority
CN
China
Prior art keywords
angle
tapping
self
threaded
coupling screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220489201
Other languages
English (en)
Inventor
黄岳枝
严黎明
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.)
SHANGHAI DOHIGHER INDUSTRY Co Ltd
Machinery Science And Technology Ltd Of Nation Is Closed In Jiaxing
Original Assignee
SHANGHAI DOHIGHER INDUSTRY Co Ltd
Machinery Science And Technology Ltd Of Nation Is Closed In Jiaxing
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANGHAI DOHIGHER INDUSTRY Co Ltd, Machinery Science And Technology Ltd Of Nation Is Closed In Jiaxing filed Critical SHANGHAI DOHIGHER INDUSTRY Co Ltd
Priority to CN 201220489201 priority Critical patent/CN202883657U/zh
Application granted granted Critical
Publication of CN202883657U publication Critical patent/CN202883657U/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Earth Drilling (AREA)

Abstract

一种自攻防松连接螺钉，它包括螺钉头和螺纹杆，其特征在于螺纹杆前端设有钻头，螺纹杆上的牙型角呈不对称状态，与前牙面的牙型角为45度，与后牙面的牙型角为15度。本实用新型的自攻防松连接螺钉，由于螺纹杆上的牙型角呈不对称状态，与前牙面的夹角为45度，与后牙面的夹角为15度。具有使用方便防松效果好的特点。

Description

自攻防松连接螺钉
技术领域
本实用新型涉及连接件，具体是一种自攻防松连接螺钉。
背景技术
普通的自攻连接螺钉，其牙型角呈对称60度，在振动环境中使用时，螺钉容易出现松动。
发明内容
本实用新型的目的是针对普通自攻螺钉在使用上的缺陷，提出一种自攻防松连接螺钉。
本实用新型的目的是通过如下技术方案解决的：一种自攻防松连接螺钉，它包括螺钉头和螺纹杆，其特征在于螺纹杆前端设有钻头，螺纹杆上的牙型角呈不对称状态，与前牙面的牙型角为45度，与后牙面的牙型角为15度。
本实用新型的自攻防松连接螺钉，由于螺纹杆上的牙型角呈不对称状态，与前牙面的夹角为45度，与后牙面的夹角为15度。具有使用方便防松效果好的特点。
附图说明
图１为本实用新型的自攻防松连接螺钉的结构示意图。
图2为螺杆牙型角的结构示意图。
具体实施方式
下面结合附图通过实施例对本实用新型作进一步说明：
如图１和图2所示，一种自攻防松连接螺钉，它包括螺钉头1和螺纹杆2， 其特征在于螺纹杆2前端设有钻头3，螺纹杆2上的牙型角呈不对称状态，与前牙面的夹角为45度，与后牙面的夹角为15度。

Claims (1)

1.一种自攻防松连接螺钉，它包括螺钉头（1）和螺纹杆（2），其特征在于螺纹杆（2）前端设有钻头（3），螺纹杆（2）上的牙型角呈不对称状态，与前牙面的夹角为45度，与后牙面的夹角为15度。
CN 201220489201 2012-09-24 2012-09-24 自攻防松连接螺钉 Expired - Fee Related CN202883657U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220489201 CN202883657U (zh) 2012-09-24 2012-09-24 自攻防松连接螺钉

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220489201 CN202883657U (zh) 2012-09-24 2012-09-24 自攻防松连接螺钉

Publications (1)

Publication Number Publication Date
CN202883657U true CN202883657U (zh) 2013-04-17

Family

ID=48075088

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220489201 Expired - Fee Related CN202883657U (zh) 2012-09-24 2012-09-24 自攻防松连接螺钉

Country Status (1)

Country Link
CN (1) CN202883657U (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107816483A (zh) * 2017-02-05 2018-03-20 超捷紧固系统(上海)股份有限公司 公制自攻防松螺钉及其制造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107816483A (zh) * 2017-02-05 2018-03-20 超捷紧固系统(上海)股份有限公司 公制自攻防松螺钉及其制造方法

Similar Documents

Publication Publication Date Title
CN202883657U (zh) 自攻防松连接螺钉
CN203384394U (zh) 一种截止阀阀杆防转装置
WO2013123940A3 (de) Selbstfurchende schraube
CN201973064U (zh) 螺栓
CN202883624U (zh) 自攻分段螺牙连接螺钉
CN203214534U (zh) 半螺纹六角螺栓
CN203214533U (zh) 一种半螺纹螺栓
CN202883623U (zh) 自攻连接螺钉
CN204041682U (zh) 一种松不脱螺钉钉芯
CN201934470U (zh) 一种螺钉
CN203051396U (zh) 一种折头螺栓
CN203532472U (zh) 一种内螺纹多段式螺母
CN203214530U (zh) 半螺纹螺栓
CN203214531U (zh) 一种全螺纹六角螺栓
CN202883625U (zh) 自攻耐腐连接螺钉
CN204284152U (zh) 六角头螺杆带孔螺栓
CN202220784U (zh) 一种螺栓
CN202560751U (zh) 一种新型双固定孔螺栓
CN204113925U (zh) 一种新型的销齿定位装置
CN104314949A (zh) 一种双头螺柱
CN201884422U (zh) T型螺栓连接件
CN204362788U (zh) 一种纺车式渔线轮
CN105937536A (zh) 一种带有正六边形垫片的螺钉
CN203214535U (zh) 全螺纹螺栓
CN203214529U (zh) 一种半螺纹六角螺栓

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Huang Yuezhi

Inventor after: Yin Liming

Inventor before: Huang Yuezhi

Inventor before: Yan Liming

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: HUANG YUEZHI YAN LIMING TO: HUANG YUEZHI YIN LIMING

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

Granted publication date: 20130417

Termination date: 20180924