CN106089921A - 导向预紧型螺栓 - Google Patents

导向预紧型螺栓 Download PDF

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Publication number
CN106089921A
CN106089921A CN201610721757.9A CN201610721757A CN106089921A CN 106089921 A CN106089921 A CN 106089921A CN 201610721757 A CN201610721757 A CN 201610721757A CN 106089921 A CN106089921 A CN 106089921A
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China
Prior art keywords
load section
light bar
packing ring
bar segment
bolt head
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Pending
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CN201610721757.9A
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English (en)
Inventor
王立新
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Anhui Liufang Zhonglian Mechanical Share Co Ltd
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Anhui Liufang Zhonglian Mechanical Share Co Ltd
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Priority to CN201610721757.9A priority Critical patent/CN106089921A/zh
Publication of CN106089921A publication Critical patent/CN106089921A/zh
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041Specially-shaped shafts
    • F16B35/044Specially-shaped ends
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041Specially-shaped shafts
    • F16B35/048Specially-shaped necks
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/06Specially-shaped heads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/22Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/24Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

本发明公布了导向预紧型螺栓,其包括螺栓头、螺杆,螺杆由光杆段、负荷段组成,光杆段固定于负荷段的一端并且与之一体化成型,光杆段的表面设置有沿其轴线方向布置的导向凸起,光杆段的外部套接有垫圈,垫圈上设置有与导向凸起相匹配的导槽,螺栓头的底部设置有环形的内槽,螺栓头与垫圈之间安装有弹簧;负荷段的上端部外表面成型有螺纹,负荷段的下端部成型有抗扭凸起,负荷段的下端部成型有套接于负荷段并且与抗扭凸起相固定的螺纹套,螺纹套的表面构成有螺纹,螺纹套采用塑料注塑成型的手段构成于负荷段外部;负荷段的底部成型有圆台形顶升圆台,顶升圆台采用高分子橡胶注压硫化成型的手段构成于负荷段底部。

Description

导向预紧型螺栓
技术领域
本发明涉及一种机械连接件,特别涉及一种导向预紧型螺栓。
背景技术
螺栓是最常见的紧固件之一,它由头部和螺杆组成。螺杆呈圆柱状,上带有外螺纹可与螺母搭配使用。螺栓和螺母共同使用,可连接和固定两个带有通孔的部件。螺栓按头部形状可分为六角头螺栓、圆头螺栓、方形头螺栓、沉头螺栓等等。
现有的常规螺栓,功能单一,预紧性能差,在安装过程中,螺栓易与螺母滑动,造成安装的不便,并且垫圈与螺栓的同心度差,降低螺栓的防护等级。
发明内容
为解决现有技术的不足,本发明的目的是提供一种提高防护等级,提升螺栓与机械零部件螺纹连接的紧密度的导向预紧型螺栓。
为实现上述技术目的,本发明所采用的技术方案如下。
导向预紧型螺栓,其包括螺栓头、螺杆,螺杆由光杆段、负荷段组成,光杆段固定于负荷段的一端并且与之一体化成型,光杆段的表面设置有沿其轴线方向布置的导向凸起,光杆段的外部套接有垫圈,垫圈上设置有与导向凸起相匹配的导槽,螺栓头的底部设置有环形的内槽,螺栓头与垫圈之间安装有弹簧,弹簧的一端固定于内槽,弹簧的另一端固定于垫圈;负荷段的上端部外表面成型有螺纹,负荷段的下端部成型有抗扭凸起,负荷段的下端部成型有套接于负荷段并且与抗扭凸起相固定的螺纹套,螺纹套的表面构成有螺纹,螺纹套采用塑料注塑成型的手段构成于负荷段外部;负荷段的底部成型有圆台形顶升圆台,顶升圆台采用高分子橡胶注压硫化成型的手段构成于负荷段底部。
附图说明
为了更清楚地说明本发明实施例,下面将对实施例中所需要使用的附图做简单的介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为本发明的结构示意图。
图中标示为:
100、螺栓头;110、内槽;200、垫圈;300、弹簧;410、光杆段;412、导向凸起;420、负荷段;422、抗扭凸起;500、螺纹套;600、顶升圆台。
具体实施方式
下面结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下,所获得的所有其他实施例,都属于本发明保护范围。
如图1所示,导向预紧型螺栓,其包括螺栓头100、螺杆,螺杆由光杆段410、负荷段420组成,光杆段410固定于负荷段420的一端并且与之一体化成型,光杆段的表面设置有沿其轴线方向布置的导向凸起412,光杆段410的外部套接有垫圈200,垫圈200上设置有与导向凸起412相匹配的导槽,螺栓头100的底部设置有环形的内槽110,螺栓头100与垫圈200之间安装有弹簧300,弹簧300的一端固定于内槽110,弹簧300的另一端固定于垫圈200;负荷段的上端部外表面成型有螺纹,负荷段的下端部成型有抗扭凸起422,负荷段的下端部成型有套接于负荷段并且与抗扭凸起422相固定的螺纹套500,螺纹套500的表面构成有螺纹,螺纹套500采用塑料注塑成型的手段构成于负荷段外部;负荷段的底部成型有圆台形顶升圆台600,顶升圆台600采用高分子橡胶注压硫化成型的手段构成于负荷段底部。
垫圈通过导向凸起与导槽的匹配套接于光杆外部,保证了垫圈与螺杆的同心度,进而提升了螺栓的防护等级。
对所公开的实施例的上述说明,使本领域专业技术人员能够实现或使用本发明;对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的,本发明中所定义的一般原理可以在不脱离本发明的精神或者范围的情况下,在其他实施例中实现。因此,本发明将不会被限定于本文所示的这些实施例,而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (1)

1.导向预紧型螺栓,其特征在于:其包括螺栓头、螺杆,螺杆由光杆段、负荷段组成,光杆段固定于负荷段的一端并且与之一体化成型,光杆段的表面设置有沿其轴线方向布置的导向凸起,光杆段的外部套接有垫圈,垫圈上设置有与导向凸起相匹配的导槽,螺栓头的底部设置有环形的内槽,螺栓头与垫圈之间安装有弹簧,弹簧的一端固定于内槽,弹簧的另一端固定于垫圈;负荷段的上端部外表面成型有螺纹,负荷段的下端部成型有抗扭凸起,负荷段的下端部成型有套接于负荷段并且与抗扭凸起相固定的螺纹套,螺纹套的表面构成有螺纹,螺纹套采用塑料注塑成型的手段构成于负荷段外部;负荷段的底部成型有圆台形顶升圆台,顶升圆台采用高分子橡胶注压硫化成型的手段构成于负荷段底部。
CN201610721757.9A 2016-08-25 2016-08-25 导向预紧型螺栓 Pending CN106089921A (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107939811A (zh) * 2017-11-16 2018-04-20 庞群 一种防脱反旋螺丝组
CN108386620A (zh) * 2018-04-28 2018-08-10 中铁隆昌铁路器材有限公司 一种外置槽道及槽道机构
CN108397464A (zh) * 2018-04-03 2018-08-14 航天精工股份有限公司 一种快卸螺栓组件
CN114033781A (zh) * 2021-11-08 2022-02-11 温州市忠恒五金有限公司 一种配置有止回螺钉的连接结构

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101737394A (zh) * 2008-11-04 2010-06-16 喜利得股份公司 螺栓
EP2375088A2 (de) * 2010-04-09 2011-10-12 Siemens Aktiengesellschaft Befestigungseinrichtung zum kraftschlüssigen Verbinden zweier Werkstücke sowie Verwendung einer Befestigungseinrichtung
EP2416022A1 (en) * 2010-08-05 2012-02-08 Rolls-Royce plc A fastener
CN203051376U (zh) * 2012-11-25 2013-07-10 安徽六方重联机械股份有限公司 一种多功能预紧型易拆卸螺栓
CN105351321A (zh) * 2015-10-30 2016-02-24 无锡市东赫金属制品有限公司 一种防震螺栓
CN205190490U (zh) * 2015-08-25 2016-04-27 王景东 防松动防拆卸螺栓

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101737394A (zh) * 2008-11-04 2010-06-16 喜利得股份公司 螺栓
EP2375088A2 (de) * 2010-04-09 2011-10-12 Siemens Aktiengesellschaft Befestigungseinrichtung zum kraftschlüssigen Verbinden zweier Werkstücke sowie Verwendung einer Befestigungseinrichtung
EP2416022A1 (en) * 2010-08-05 2012-02-08 Rolls-Royce plc A fastener
CN203051376U (zh) * 2012-11-25 2013-07-10 安徽六方重联机械股份有限公司 一种多功能预紧型易拆卸螺栓
CN205190490U (zh) * 2015-08-25 2016-04-27 王景东 防松动防拆卸螺栓
CN105351321A (zh) * 2015-10-30 2016-02-24 无锡市东赫金属制品有限公司 一种防震螺栓

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107939811A (zh) * 2017-11-16 2018-04-20 庞群 一种防脱反旋螺丝组
CN108397464A (zh) * 2018-04-03 2018-08-14 航天精工股份有限公司 一种快卸螺栓组件
CN108386620A (zh) * 2018-04-28 2018-08-10 中铁隆昌铁路器材有限公司 一种外置槽道及槽道机构
CN114033781A (zh) * 2021-11-08 2022-02-11 温州市忠恒五金有限公司 一种配置有止回螺钉的连接结构

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