CN115539479A - 一种防松螺栓 - Google Patents

一种防松螺栓 Download PDF

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CN115539479A
CN115539479A CN202111557907.4A CN202111557907A CN115539479A CN 115539479 A CN115539479 A CN 115539479A CN 202111557907 A CN202111557907 A CN 202111557907A CN 115539479 A CN115539479 A CN 115539479A
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thread
shape
screw
screw rod
pitch
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许润柱
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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
    • 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
    • F16B39/28Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/282Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

一种防松螺栓,包括:头部、螺杆和螺纹,所述头部,又包括外面、侧面和里面的楔面,外面与驱动装置的形状吻合和为花样美观装饰及产品标示,形状是凸面、平面或凹面,侧面与配合的驱动装置的形状吻合,为六角、方形等多边形和圆形,里面的楔面是一个斜面,与螺杆T字形连接,所述螺杆有外螺纹,螺杆的一端以T字形固定连接在里面的楔面上,另一端有倒角与工件和螺母螺孔或底座螺孔连接,所述螺纹是螺杆的外螺纹,是现有公开的外螺纹尺寸及参数,与螺母的螺纹或底座的螺纹配合。

Description

一种防松螺栓
技术领域
本发明涉及紧固件技术领域,具体涉及一种防松螺栓。
背景技术
螺栓有很多叫法,每个人的叫法可能都不同,有人叫成螺钉,有人叫成螺栓钉,有人叫成紧固件。按头部形状分:有六角头的,圆头的,方头的,沉头的等等。螺杆有圆柱的也有圆锥的,其中六角头是最常用的,螺栓主要承载轴向的受力,也可以承载要求不高的横向受力,但是在铁路、航空和车辆高的横向受力难以达到横向承载要求,为了解决螺栓难以达到横向承载要求的问题,多使用的是增加垫片、增加预紧力和使用防松螺母的办法,现介绍一种既承载轴向的受力,又可以承载横向受力的防松螺栓。
发明内容:
本发明为了解决上述问题,提供了一种既承载轴向的受力,又可以承载横向受力的防松螺栓,由头部、螺杆和螺纹组成。
所述头部,包括外面、侧面和里面的楔面,优选的外面与驱动装置的形状吻合和为花样美观装饰及产品标示,形状是凸面、平面或凹面。优选的侧面为六角、方形头等多边形和圆形或椭圆形,与配合的驱动装置的形状吻合。优选的里面的楔面是一个斜面,与螺杆T字形连接。优选的里面的楔面是拈花或锯齿或刻纹等假设的一个斜面,与螺杆T字形连接。优选的里面的楔面是拈花或锯齿或刻纹等假设的一个斜面,高低偏差九分之一螺纹螺距至九分之七螺纹螺距之间,最多不能够超过一个螺纹螺距。优选的里面的楔面是一个斜面,高低偏差九分之一螺纹螺距至九分之七螺纹螺距之间,最多不能够超过一个螺纹螺距。优选的里面的楔面是一个偏心沉头,与螺杆T字形连接。
所述螺杆有外螺纹,螺杆的一端以T字形固定连接在里面的楔面上,另一端有倒角或另一端是锥形,与工件和螺母螺孔或底座螺孔连接。
所述螺纹是螺杆的外螺纹,是现有公开的外螺纹尺寸及参数或是现有公开的螺钉外螺纹尺寸及参数,与螺母的螺纹或底座的螺纹或软质底座配合。
附图说明
图1、里面的楔面是斜面防松螺栓后视图和侧视图。
图2、里面的楔面是沉头防松螺栓后视图和侧视图。
附图标号说明。
螺栓头侧面1、螺纹2、螺杆3、螺栓头外面4、螺栓头里面的楔面5。
具体实施方式
实例一
将工件的孔对准底座的孔,再将螺栓螺杆3尖端通过工件孔对准底座的孔螺纹,驱动装置驱动螺栓头侧面1或螺栓头外面4利用螺纹2的斜面圆形旋转和摩擦力循序渐进地转动,螺栓头里面的楔面5、工件和底座三者顶持,驱动装置再驱动螺栓头侧面1或螺栓头外面4利用螺纹2的斜面圆形旋转和摩擦力循序渐进地转动,螺栓头里面的楔面5向一侧滑移,螺杆与工件孔壁顶持,同时螺栓头里面的楔面5被压收缩,直至驱动装置驱动螺栓头侧面1或螺栓头外面4 利用螺纹2的斜面圆形旋转和摩擦力循序渐进地转动达到紧固扭矩止。拆卸时,驱动装置驱动螺栓头侧面1或螺栓头外面4回退,螺栓头里面的楔面5伸展,直至卸掉螺母止。

Claims (10)

1.一种防松螺栓,其特征在于,包括:头部、螺杆和螺纹,
所述头部,包括外面、侧面和里面的楔面,
外面与驱动装置的形状吻合和为花样美观装饰及产品标示,形状是凸面、平面或凹面,
侧面与配合的驱动装置的形状吻合,为六角、方形等多边形和圆形,
里面的楔面是一个斜面,与螺杆T字形连接,
所述螺杆有外螺纹,螺杆的一端以T字形固定连接在里面的楔面上,另一端有倒角与工件和螺母螺孔或底座螺孔连接,
所述螺纹是螺杆的外螺纹,是现有公开的外螺纹尺寸及参数,与螺母的螺纹或底座的螺纹配合。
2.如权利要求1所述一种防松螺栓,其特征在于,里面的楔面是拈花或锯齿或刻纹等假设的一个斜面,与螺杆T字形连接。
3.如权利要求2所述一种防松螺栓,其特征在于,里面的楔面拈花或锯齿或刻纹等是假设的一个斜面,高低偏差九分之一螺纹螺距至九分之七螺纹螺距之间,最多不能够超过一个螺纹螺距。
4.如权利要求1所述一种防松螺栓,其特征在于,里面的楔面是一个斜面,高低偏差九分之一螺纹螺距至九分之七螺纹螺距之间,最多不能够超过一个螺纹螺距。
5.如权利要求1所述一种防松螺栓,其特征在于,里面的楔面是一个偏心沉头,与螺杆T字形连接。
6.如权利要求5所述一种防松螺栓,其特征在于,外面与驱动装置的形状吻合,形状为椭圆形。
7.如权利要求5所述一种防松螺栓,其特征在于,螺杆有外螺纹,螺杆的一端与偏心沉头固定连接,另一端是锥形,与工件和软质底座连接。
8.如权利要求5所述一种防松螺栓,其特征在于,螺纹是螺杆的外螺纹,是现有公开的螺钉外螺纹尺寸及参数,与软质底座配合。
9.如权利要求1所述一种防松螺栓,其特征在于,螺杆有外螺纹,螺杆的一端以T字形固定连接在里面的楔面上,另一端是锥形,与工件和软质底座连接。
10.如权利要求9所述一种防松螺栓,其特征在于,螺纹是螺杆的外螺纹,是现有公开的螺钉外螺纹尺寸及参数,与软质底座配合。
CN202111557907.4A 2021-12-13 2021-12-13 一种防松螺栓 Pending CN115539479A (zh)

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