CN2415193Y - 膨胀钉 - Google Patents

膨胀钉 Download PDF

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Publication number
CN2415193Y
CN2415193Y CN 00202000 CN00202000U CN2415193Y CN 2415193 Y CN2415193 Y CN 2415193Y CN 00202000 CN00202000 CN 00202000 CN 00202000 U CN00202000 U CN 00202000U CN 2415193 Y CN2415193 Y CN 2415193Y
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CN 00202000
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胡跃庆
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Abstract

一种膨胀钉,包括外套、钉柱,外套内表面至少于后端处另一内锥状,外套后部开有槽道,钉柱前端最好设有一凸台。由于膨胀钉外套内表面于后端处呈一内锥状,外套后部设有开槽,当打好紧固孔后,将膨胀钉***孔中,用榔头锤打钉柱压迫外套胀开,便可将其固定。由于钉柱前端设有一凸台,当钉柱中的凸台被推出外套后,凸台将钉柱自动锁紧,以防膨胀钉松动。

Description

膨胀钉
本实用新型涉及一种紧固件,特别涉及一种膨胀钉。
目前,在紧固件领域,大致有膨胀螺栓,膨胀螺钉几种。膨胀螺栓在紧固过程中,必须要用扳手进行紧固,使用不方便。而膨胀螺钉一般要先将其塑料外套安置于紧固孔中,然后用螺丝刀将螺钉旋入,其使用也不方便。
本实用新型的目的在于:提供一种结构简单、使用方便、具有自锁功能的膨胀钉。
为了达到以上所述的目的,本实用新型是通过以下技术方案来实现的:
一种膨胀钉,包括外套、钉柱,外套内表面至少于后端处呈一内锥状,外套后部开有槽道。
在本实用新型中,所述的钉柱前端最好设有一凸台。
本实用新型的优点在于:由于膨胀钉外套内表面于后端处呈一内锥状,外套后部设有开槽,当打好紧固孔后,将膨胀钉***孔中,用榔头锤打钉柱压迫外套胀开,便可将其固定。由于钉柱前端设有一凸台,当钉柱中的凸台被推出外套后,凸台将钉柱自动锁紧,以防膨胀钉松动。
为了更加清楚的说明本实用新型,下面结合附图及实施例来进行详细说明:
图1是本实用新型的示意图。
图2是本实用新型的实施例1的剖视图。
图3是本实用新型的实施例2的剖视图。
如图1、图2所示,膨胀钉由外套1和钉柱2构成,外套1的后部开有若干槽道3。当钉柱2***外套后部时,钉柱压迫外套,使其后部胀起,将膨胀钉紧固于孔中。钉柱前端的凸台4随即卡于外套边端。
如图3所示,钉柱2前端表面鼓起,当钉柱***外套1时,鼓起部压迫外套,使外套开槽处胀起,以起到紧固作用。

Claims (2)

1、一种膨胀钉,包括外套、钉柱,其特征在于:外套内表面至少于后端处呈一内锥状,外套后部开有槽道。
2、根据权利要求1所述的膨胀钉,其特征在于:所述的钉柱前端设有凸台。
CN 00202000 2000-01-18 2000-01-18 膨胀钉 Expired - Fee Related CN2415193Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 00202000 CN2415193Y (zh) 2000-01-18 2000-01-18 膨胀钉

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Application Number Priority Date Filing Date Title
CN 00202000 CN2415193Y (zh) 2000-01-18 2000-01-18 膨胀钉

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CN2415193Y true CN2415193Y (zh) 2001-01-17

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CN 00202000 Expired - Fee Related CN2415193Y (zh) 2000-01-18 2000-01-18 膨胀钉

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CN (1) CN2415193Y (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110374973A (zh) * 2019-08-22 2019-10-25 闫自超 一种可拆卸膨胀钉
CN111794634A (zh) * 2020-07-22 2020-10-20 郭海瑞 一种下压内胀钉及门窗的固定方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110374973A (zh) * 2019-08-22 2019-10-25 闫自超 一种可拆卸膨胀钉
CN111794634A (zh) * 2020-07-22 2020-10-20 郭海瑞 一种下压内胀钉及门窗的固定方法

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