CN110762098A - 带卡块的膨胀螺栓 - Google Patents

带卡块的膨胀螺栓 Download PDF

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Publication number
CN110762098A
CN110762098A CN201810829367.2A CN201810829367A CN110762098A CN 110762098 A CN110762098 A CN 110762098A CN 201810829367 A CN201810829367 A CN 201810829367A CN 110762098 A CN110762098 A CN 110762098A
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bolt body
outer sleeve
sliding groove
spout
bolt
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宋静静
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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
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
    • F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
    • F16B13/065—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting the screw, nail or the like

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Clamps And Clips (AREA)

Abstract

本发明公开了一种带卡块的膨胀螺栓，包括螺栓本体（1）和外套管（2），所述螺栓本体（1）大端侧设置有轴向滑槽（11），外套管（2）内侧壁上设置有适配的滑块（21），使得滑块（11）卡入滑槽（21）内并与滑槽（21）滑动连接。本装置通过在螺栓本体（1）外壁上设置有滑槽（11），在外套管（2）上设置有适配的滑块（21），并将滑块（11）卡入滑槽（21）内，使得在拧动螺栓本体（1）上的螺母时，由于滑块（21）始终卡在滑槽（11）内，可有效防止螺栓本体（1）与外套管（2）相互转动，便于将螺母拧紧。

Description

带卡块的膨胀螺栓
技术领域
本发明涉及一种带卡块的膨胀螺栓，属于工具用品领域。
背景技术
现有技术的螺栓本体尾部有一个大头，螺栓外面套一个比螺栓直径稍大的外套管，尾部那部分有几道开口，当螺栓拧紧以后，大头的尾部就被带到开口的外套管里面，把外套管冲大，达到把螺栓固定在地面或墙壁上。但现有结构的带卡块的膨胀螺栓，往往在拧动六角螺母时，造成螺栓本体与外套管不能卡死，会发生转动使得螺母并不能被完全拧紧。
发明内容
本发明所要解决的技术问题是克服现有技术的不足，提供一种拧动螺母可有效防止螺栓本体和外套管相互转动的带卡块的膨胀螺栓。
本发明解决其技术问题所采用的技术方案是：带卡块的膨胀螺栓，包括螺栓本体和外套管，所述螺栓本体大端侧设置有轴向滑槽，外套管内侧壁上设置有适配的滑块，使得滑块卡入滑槽内并与滑槽滑动连接。
其中，上述装置中所述滑槽为燕尾槽结构。
本发明的有益效果是：本装置结构简单，制作成本低廉，实际使用方便。本装置通过在螺栓本体外壁上设置有滑槽，在外套管上设置有适配的滑块，并将滑块卡入滑槽内，使得在拧动螺栓本体上的螺母时，由于滑块始终卡在滑槽内，可有效防止螺栓本体与外套管相互转动，便于将螺母拧紧。
附图说明
图1为本发明局部剖视结构示意图。
图2为本发明结构示意图。
图中标记：螺栓本体1，滑槽11，外套管2，滑块21。
具体实施方式
下面结合附图对本发明进一步说明。
如图1和图2所示，本发明的带卡块的膨胀螺栓，包括螺栓本体1和外套管2，所述螺栓本体1大端侧设置有轴向滑槽11，外套管2内侧壁上设置有适配的滑块21，使得滑块11卡入滑槽21内并与滑槽21滑动连接。本领域技术人员应该理解的是， 本装置通过在螺栓本体1外壁上设置有滑槽11，且滑槽应从螺栓本体1的大端向小端延伸，并与其轴线平行设置，在外套管2的中部内壁上设置有适配的滑块21，并将滑块11卡入滑槽21内，使得在拧动螺栓本体1上的螺母时，由于滑块21始终卡在滑槽11内，可有效防止螺栓本体1与外套管2相互转动，便于将螺母拧紧。
其中，上述装置中所述滑槽11为燕尾槽结构。本领域技术人员应该理解的是，为了更好的使得滑块21在滑槽11内轴向滑动，本装置优选滑槽11为燕尾槽，这种结构在实际使用时，可有效减小径向力，使得螺栓本体1在端部螺母的作用下，不会与外套管2相互转动，从而便于固定。

Claims (2)

1.带卡块的膨胀螺栓，包括螺栓本体（1）和外套管（2），其特征在于：所述螺栓本体（1）大端侧设置有轴向滑槽（11），外套管（2）内侧壁上设置有适配的滑块（21），使得滑块（11）卡入滑槽（21）内并与滑槽（21）滑动连接。
2.如权利要求1所述的带卡块的膨胀螺栓，其特征在于：所述滑槽（11）为燕尾槽结构。
CN201810829367.2A 2018-07-25 2018-07-25 带卡块的膨胀螺栓 Pending CN110762098A (zh)

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CN201810829367.2A CN110762098A (zh) 2018-07-25 2018-07-25 带卡块的膨胀螺栓

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CN201810829367.2A CN110762098A (zh) 2018-07-25 2018-07-25 带卡块的膨胀螺栓

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111271356A (zh) * 2020-03-16 2020-06-12 杨磊 一种反向膨胀螺栓

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111271356A (zh) * 2020-03-16 2020-06-12 杨磊 一种反向膨胀螺栓

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Application publication date: 20200207