CN113847331B - 一种六角法兰面挤压密封螺栓 - Google Patents
一种六角法兰面挤压密封螺栓 Download PDFInfo
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Abstract
本发明公开了一种六角法兰面挤压密封螺栓,包括螺栓主体、六角螺帽、圆杆、外螺纹杆、六角圆管、法兰、弹簧,所述螺栓主体由六角螺帽、圆杆、外螺纹杆组成,六角螺帽的下端面设有竖直设置的圆杆,圆杆的下端面设有竖直设置的外螺纹杆,六角螺帽、圆杆、外螺纹杆同轴,六角螺帽、圆杆、外螺纹杆的外径递减,圆杆上套有同轴的六角圆管,六角圆管、六角螺帽之间连有弹簧,弹簧套在圆杆上,六角圆管的下端面设有同轴的法兰,六角圆管、法兰的内径相同。本发明将弹簧设在螺帽与六角圆管之间,螺栓安装完成后,弹簧能够将法兰压在安装面上,使法兰的下端面与安装面之间具有良好的密封性。
Description
【技术领域】
本发明涉及紧固件的技术领域,特别是一种六角法兰面挤压密封螺栓的技术领域。
【背景技术】
螺栓:机械零件,配用螺母的圆柱形带螺纹的紧固件。由头部和螺杆(带有外螺纹的圆柱体)两部分组成的一类紧固件,需与螺母配合,用于紧固连接两个带有通孔的零件。这种连接形式称螺栓连接。如把螺母从螺栓上旋下,又可以使这两个零件分开,故螺栓连接是属于可拆卸连接。螺栓应用广泛,但是常规的螺栓密封性差。
【发明内容】
本发明的目的就是解决现有技术中的问题,提出一种六角法兰面挤压密封螺栓,能够使螺栓具有良好的密封性能。
为实现上述目的,本发明提出了一种六角法兰面挤压密封螺栓,包括螺栓主体、六角螺帽、圆杆、外螺纹杆、六角圆管、法兰、弹簧,所述螺栓主体由六角螺帽、圆杆、外螺纹杆组成,六角螺帽的下端面设有竖直设置的圆杆,圆杆的下端面设有竖直设置的外螺纹杆,六角螺帽、圆杆、外螺纹杆同轴,六角螺帽、圆杆、外螺纹杆的外径递减,圆杆上套有同轴的六角圆管,六角圆管、六角螺帽之间连有弹簧,弹簧套在圆杆上,六角圆管的下端面设有同轴的法兰,六角圆管、法兰的内径相同。
作为优选,所述圆杆外壁上设有若干个轴向设置限位滑槽,限位滑槽贯穿圆杆的上下两端,六角圆管内管壁上设有若干个滑块,若干个滑块、若干个限位滑槽一一对应,滑块卡入对应的限位滑槽内。
作为优选,所述六角螺帽、六角圆管的外管壁共面。
作为优选,所述法兰的下端面设有同轴的密封垫圈,密封垫圈的水平截面与法兰的水平截面平行对称。
作为优选,所述六角圆管与六角螺帽之间连有密封橡胶管,密封橡胶管套住弹簧,密封橡胶管与圆杆同轴,密封橡胶管的竖直截面呈弧形且该弧形向远离圆杆轴心的方向凸出。
本发明的有益效果:本发明将弹簧设在螺帽与六角圆管之间,螺栓安装完成后,弹簧能够将法兰压在安装面上,使法兰的下端面与安装面之间具有良好的密封性,同时弹簧能够吸收振动和冲击、起到缓冲作用,使螺栓在安装孔内不易松动,螺栓不松动,法兰的下端面与安装面之间的密封性将不被破坏;密封橡胶管共同将弹簧密封起来,使弹簧不易生锈,确保弹簧能够长期有效的运行,同时密封橡胶管本身材质较软、具有良好的弹性,具有良好的吸振性能,进一步增强了螺栓对的抗振性能;滑块、限位滑槽防止圆环在圆杆上旋转,圆环旋转后弹簧会紧接着旋转,弹簧扭转产生的扭力施加在螺栓主体上将会使螺栓主体旋转,不利于螺栓主体的固定。
本发明的特征及优点将通过实施例结合附图进行详细说明。
【附图说明】
图1是本发明一种六角法兰面挤压密封螺栓的主视图。
图中:螺栓主体1、螺帽11、圆杆12、外螺纹杆13、圆环2、法兰21、弹簧3、滑块201、密封垫圈2101、密封橡胶管203、限位滑槽120。
【具体实施方式】
参阅图1,本发明一种六角法兰面挤压密封螺栓,包括螺栓主体1、六角螺帽11、圆杆12、外螺纹杆13、六角圆管2、法兰21、弹簧3,所述螺栓主体1由六角螺帽11、圆杆12、外螺纹杆13组成,六角螺帽11的下端面设有竖直设置的圆杆12,圆杆12的下端面设有竖直设置的外螺纹杆13,六角螺帽11、圆杆12、外螺纹杆13同轴,六角螺帽11、圆杆12、外螺纹杆13的外径递减,圆杆12上套有同轴的六角圆管2,六角圆管2、六角螺帽11之间连有弹簧3,弹簧3套在圆杆12上,六角圆管2的下端面设有同轴的法兰21,六角圆管2、法兰21的内径相同,所述圆杆12外壁上设有若干个轴向设置限位滑槽120,限位滑槽120贯穿圆杆12的上下两端,六角圆管2内管壁上设有若干个滑块201,若干个滑块201、若干个限位滑槽120一一对应,滑块201卡入对应的限位滑槽120内,所述六角螺帽11、六角圆管2的外管壁共面,所述的一种六角法兰面挤压密封螺栓,其特征在于:所述法兰21的下端面设有同轴的密封垫圈2101,密封垫圈2101的水平截面与法兰21的水平截面平行对称,所述六角圆管2与六角螺帽11之间连有密封橡胶管203,密封橡胶管203套住弹簧3,密封橡胶管203与圆杆12同轴,密封橡胶管203的竖直截面呈弧形且该弧形向远离圆杆12轴心的方向凸出。
本发明工作过程:
本发明一种六角法兰面挤压密封螺栓在工作过程中,安装螺栓后,使弹簧3呈压缩状态。
本发明,将弹簧3设在螺帽11与六角圆管2之间,螺栓安装完成后,弹簧3能够将法兰21压在安装面上,使法兰21的下端面与安装面之间具有良好的密封性,同时弹簧3能够吸收振动和冲击、起到缓冲作用,使螺栓在安装孔内不易松动,螺栓不松动,法兰21的下端面与安装面之间的密封性将不被破坏;密封橡胶管203共同将弹簧3密封起来,使弹簧3不易生锈,确保弹簧3能够长期有效的运行,同时密封橡胶管203本身材质较软、具有良好的弹性,具有良好的吸振性能,进一步增强了螺栓对的抗振性能;滑块201、限位滑槽120防止圆环2在圆杆12上旋转,圆环2旋转后弹簧3会紧接着旋转,弹簧3扭转产生的扭力施加在螺栓主体1上将会使螺栓主体1旋转,不利于螺栓主体1的固定。
上述实施例是对本发明的说明,不是对本发明的限定,任何对本发明简单变换后的方案均属于本发明的保护范围。
Claims (3)
1.一种六角法兰面挤压密封螺栓,其特征在于:包括螺栓主体(1)、六角圆管(2)、法兰(21)、弹簧(3),所述螺栓主体(1)由六角螺帽(11)、圆杆(12)、外螺纹杆(13)组成,六角螺帽(11)的下端面设有竖直设置的圆杆(12),圆杆(12)的下端面设有竖直设置的外螺纹杆(13),六角螺帽(11)、圆杆(12)、外螺纹杆(13)同轴,六角螺帽(11)、圆杆(12)、外螺纹杆(13)的外径递减,圆杆(12)上套有同轴的六角圆管(2),六角圆管(2)、六角螺帽(11)之间连有弹簧(3),弹簧(3)套在圆杆(12)上,六角圆管(2)的下端面设有同轴的法兰(21),六角圆管(2)、法兰(21)的内径相同;所述圆杆(12)外壁上设有若干个轴向设置的限位滑槽(1201),限位滑槽(1201)贯穿圆杆(12)的上下两端,六角圆管(2)内管壁上设有若干个滑块(201),若干个滑块(201)、若干个限位滑槽(1201)一一对应,滑块(201)卡入对应的限位滑槽(1201)内;所述法兰(21)的下端面设有同轴的密封垫圈(2101),密封垫圈(2101)的水平截面与法兰(21)的水平截面平行对称。
2.如权利要求1所述的一种六角法兰面挤压密封螺栓,其特征在于:所述六角螺帽(11)、六角圆管(2)的外管壁共面。
3.如权利要求1所述的一种六角法兰面挤压密封螺栓,其特征在于:所述六角圆管(2)与六角螺帽(11)之间连有密封橡胶管(203),密封橡胶管(203)套住弹簧(3),密封橡胶管(203)与圆杆(12)同轴,密封橡胶管(203)的竖直截面呈弧形且该弧形向远离圆杆(12)轴心的方向凸出。
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