CN104373443B - 一种自润滑螺栓 - Google Patents

一种自润滑螺栓 Download PDF

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CN104373443B
CN104373443B CN201410582008.3A CN201410582008A CN104373443B CN 104373443 B CN104373443 B CN 104373443B CN 201410582008 A CN201410582008 A CN 201410582008A CN 104373443 B CN104373443 B CN 104373443B
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CN104373443A (zh
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朱凤金
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SUZHOU SHIXINDA TEST EQUIPMENT Co.,Ltd.
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Suzhou Zhongtuo Patent Operations Management Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Lubricants (AREA)

Abstract

本发明一种自润滑螺栓，包括螺栓本体、T字型芯杆、弹簧和油袋；螺栓本体包括上侧的螺栓头和下侧的螺栓杆；螺栓头的轴向上设有盲孔；盲孔内配合T字型芯杆；T字型芯杆与盲孔的底壁之间设有弹簧；且T字型芯杆的底端与盲孔的底壁之间设有间隙ξ；在T字型芯杆下侧的盲孔的底壁上固设油袋；油袋下方的所述盲孔的底壁上设有导油孔；导油孔通向螺栓杆的表面；T字型芯杆上还设有用于刺破油袋的尖锐凸起；油袋内装有润滑油。通过上述方式，提供一种自润滑螺栓，能够通过手动按压的方式自动的在螺栓拧紧的过程中添加润滑油，从而提高工作效率；而且保护了零件本身，避免了损伤。

Description

一种自润滑螺栓
技术领域
本发明涉及五金配件加工领域，特别是涉及一种自润滑螺栓。
背景技术
螺栓是广泛运用于机械领域的重要五金配件，其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。在一些大型的机械设备中会使用到一些规格相对较大的螺栓，例如在大型船舶制造过程中通常会使用到一些自制的非标准大型螺栓和螺母。螺栓在使用时需要滴入润滑油来减少螺纹配合的阻力，从而预紧螺栓所需用的力。人为的添加方式比较的落后，而且比较麻烦，不利于提高工作效率。
发明内容
本发明主要解决的技术问题是提供一种自润滑螺栓，其设计合理，结构简单，解决了螺栓在拧紧时添加润滑油的问题。
为解决上述技术问题，本发明采用的一个技术方案是提供一种自润滑螺栓，包括螺栓本体、T字型芯杆、弹簧和油袋；所述螺栓本体包括上侧的螺栓头和下侧的螺栓杆；所述螺栓头的轴向上设有盲孔；所述盲孔内配合所述T字型芯杆；所述T字型芯杆与所述盲孔的底壁之间设有所述弹簧；且所述T字型芯杆的底端与所述盲孔的底壁之间设有间隙ξ；在所述T字型芯杆下侧的所述盲孔的底壁上固设所述油袋；所述油袋下方的所述盲孔的底壁上设有导油孔；所述导油孔通向所述螺栓杆的表面；所述T字型芯杆上还设有用于刺破所述油袋的尖锐凸起；所述油袋内装有润滑油。
优选的是，在所述螺栓头上位于所述盲孔的入口处设有用于T字型芯杆限位的凸块。
本发明的有益效果是：提供一种自润滑螺栓，能够通过手动按压的方式自动的在螺栓拧紧的过程中添加润滑油，从而提高工作效率；而且保护了零件本身，避免了损伤。
附图说明
图1是本发明一种自润滑螺栓的结构示意图；
图2是图1的局部放大视图；
附图中各部件的标记如下：1、螺栓本体；2、T字型芯杆；3、弹簧；4、油袋；5、导油孔；6、尖锐凸起；7、凸块。
具体实施方式
下面结合附图对本发明的较佳实施例进行详细阐述，以使本发明的优点和特征能更易于被本领域技术人员理解，从而对本发明的保护范围做出更为清楚明确的界定。
请参阅附图1和2，本发明实施例包括：
一种自润滑螺栓，包括螺栓本体1、T字型芯杆2、弹簧3和油袋4；所述螺栓本体1包括上侧的螺栓头和下侧的螺栓杆；所述螺栓头的轴向上设有盲孔；所述盲孔内配合所述T字型芯杆2；所述T字型芯杆2与所述盲孔的底壁之间设有所述弹簧3；且所述T字型芯杆2的底端与所述盲孔的底壁之间设有间隙ξ；在所述T字型芯杆2下侧的所述盲孔的底壁上固设所述油袋4；所述油袋4下方的所述盲孔的底壁上设有导油孔5；所述导油孔5通向所述螺栓杆的表面；所述T字型芯杆2上还设有用于刺破所述油袋4的尖锐凸起6。在所述螺栓头上位于所述盲孔的入口处设有用于T字型芯杆2限位的凸块7。
使用时，通过按压螺栓头顶部的T字型芯杆， T字型芯杆向下压，T字型芯杆的尖锐凸起将其下方的油袋扎破，润滑油便会顺着油袋下侧的导油孔流到螺栓杆的表面，从而起到润滑的作用。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (2)

1.一种自润滑螺栓，其特征在于：包括螺栓本体、T字型芯杆、弹簧和油袋；所述螺栓本体包括上侧的螺栓头和下侧的螺栓杆；所述螺栓头的轴向上设有盲孔；所述盲孔内配合所述T字型芯杆；所述T字型芯杆与所述盲孔的底壁之间设有所述弹簧；且所述T字型芯杆的底端与所述盲孔的底壁之间设有间隙ξ；在所述T字型芯杆下侧的所述盲孔的底壁上固设所述油袋；所述油袋下方的所述盲孔的底壁上设有导油孔；所述导油孔通向所述螺栓杆的表面；所述T字型芯杆上还设有用于刺破所述油袋的尖锐凸起；所述油袋内装有润滑油。
2.根据权利要求1所述的一种自润滑螺栓，其特征在于：在所述螺栓头上位于所述盲孔的入口处设有用于T字型芯杆限位的凸块。
CN201410582008.3A 2014-10-27 2014-10-27 一种自润滑螺栓 Active CN104373443B (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190909335A (en) * 1909-04-20 1909-10-14 Morris Jacobs Improvements in or relating to Self-locking Nuts.
CN2195648Y (zh) * 1994-06-06 1995-04-26 乐清市振华冶金联轴器实业公司 液压螺栓
CN2479280Y (zh) * 2001-04-12 2002-02-27 杨子余 防松油孔紧固装置
CN1755151A (zh) * 2004-09-29 2006-04-05 巴内尔国际有限公司 轴枢润滑螺栓
CN203051389U (zh) * 2012-11-25 2013-07-10 安徽六方重联机械股份有限公司 一种预紧型易拆卸螺栓
CN204200803U (zh) * 2014-10-27 2015-03-11 苏州市吴中区光福金凤五金厂 一种自润滑螺栓

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02209610A (ja) * 1989-02-09 1990-08-21 Tokyu Constr Co Ltd アンカーナットの取付装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190909335A (en) * 1909-04-20 1909-10-14 Morris Jacobs Improvements in or relating to Self-locking Nuts.
CN2195648Y (zh) * 1994-06-06 1995-04-26 乐清市振华冶金联轴器实业公司 液压螺栓
CN2479280Y (zh) * 2001-04-12 2002-02-27 杨子余 防松油孔紧固装置
CN1755151A (zh) * 2004-09-29 2006-04-05 巴内尔国际有限公司 轴枢润滑螺栓
CN203051389U (zh) * 2012-11-25 2013-07-10 安徽六方重联机械股份有限公司 一种预紧型易拆卸螺栓
CN204200803U (zh) * 2014-10-27 2015-03-11 苏州市吴中区光福金凤五金厂 一种自润滑螺栓

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