CN2388391Y - 内胀式膨胀螺栓 - Google Patents

内胀式膨胀螺栓 Download PDF

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Publication number
CN2388391Y
CN2388391Y CN 98243745 CN98243745U CN2388391Y CN 2388391 Y CN2388391 Y CN 2388391Y CN 98243745 CN98243745 CN 98243745 CN 98243745 U CN98243745 U CN 98243745U CN 2388391 Y CN2388391 Y CN 2388391Y
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nut
expansion
screw
expansion bolt
tube
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Expired - Fee Related
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CN 98243745
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吴刚
乔世平
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Individual
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Abstract

内胀式膨胀螺栓,螺母胀筒1前端为十字槽型结构,螺母胀筒1内有顶珠2,螺钉3通过螺纹与螺母胀筒1配合在一起,该膨胀螺栓使用安装方便,固定好的膨胀螺栓抗拉强度高。

Description

内胀式膨胀螺栓
本实用新型涉及内胀式膨胀螺栓技术领域。
现有的膨胀螺栓由于依靠螺钉的拉力来实现膨胀固定,其存在的缺点为操作不方便,孔深受限制使安装成本提高,安装好的膨胀螺栓抗拉强度不高。
本实用新型的目的是设计一种内胀式膨胀螺栓,由于它采用螺钉在螺母胀筒内通过顶顶珠来实用螺母胀筒膨胀使安装操作方便,抗拉强度大大提高。
本实用新型是这样实现的:螺母胀筒1前端为十字槽型结构,螺母胀筒1内有顶珠2,螺钉3通过螺纹与螺母胀筒1配合在一起。
本实用新型的优点是:结构设计合理,构思新颖,使用安装方便,固定好的膨胀螺栓抗拉强度高。
下面结合附图,用实施例对本实用新型做进一步说明:
图1为该实用新型结构示意图,图2为在图1A向上的视图。
附图中:1.螺母胀筒,2.顶珠,3.螺钉。
在墙上打上孔后把螺母胀筒1插入孔中,然后旋转螺钉3,螺钉3顶着顶珠2移动至螺母胀筒1的十字槽型处使该处膨胀与孔内壁牢牢接触。

Claims (1)

1.内胀式膨胀螺栓,其特征是:螺母胀筒(1)前端为十字槽型结构,螺母胀筒(1)内有顶珠(2),螺钉(3)通过螺纹与螺母胀筒(1)配合在一起。
CN 98243745 1998-12-08 1998-12-08 内胀式膨胀螺栓 Expired - Fee Related CN2388391Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 98243745 CN2388391Y (zh) 1998-12-08 1998-12-08 内胀式膨胀螺栓

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 98243745 CN2388391Y (zh) 1998-12-08 1998-12-08 内胀式膨胀螺栓

Publications (1)

Publication Number Publication Date
CN2388391Y true CN2388391Y (zh) 2000-07-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 98243745 Expired - Fee Related CN2388391Y (zh) 1998-12-08 1998-12-08 内胀式膨胀螺栓

Country Status (1)

Country Link
CN (1) CN2388391Y (zh)

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