CN2523999Y - 膨胀螺丝 - Google Patents

膨胀螺丝 Download PDF

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Publication number
CN2523999Y
CN2523999Y CN 01256995 CN01256995U CN2523999Y CN 2523999 Y CN2523999 Y CN 2523999Y CN 01256995 CN01256995 CN 01256995 CN 01256995 U CN01256995 U CN 01256995U CN 2523999 Y CN2523999 Y CN 2523999Y
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China
Prior art keywords
screw
utility
model
coating
screw rod
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Expired - Fee Related
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CN 01256995
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English (en)
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祭胜勇
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Individual
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Individual
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Priority to CN 01256995 priority Critical patent/CN2523999Y/zh
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Abstract

本实用新型公开了一种膨胀螺丝,它由螺帽,螺杆,螺套,外套组成,螺套内有螺纹,与螺杆配合,其后端为喇叭形,外套套在螺套外。本实用新型具有外形美观,功能多,紧固力强等优点。其螺帽处可根据需要制成挂钩、圆圈等各种形式,且可使螺帽埋入墙内,从而使其无外露部分。使用时,拧动螺帽,螺杆拉动螺套向外移动,螺套的喇叭口将外套撑开达到膨胀紧固目的。

Description

膨胀螺丝
本实用新型属于一种膨胀螺丝,
目前市场上的膨胀螺丝一般都是螺纹部分在外,用螺帽紧固螺杆来实现膨胀目的。这样使外露部分过长,在许多场合会影响美观,还有一些需要特殊用途的地方,如螺帽上带挂勾、圆圈等,这些螺丝就无法满足。
本实用新型的目的是:提供一种螺丝可不外露、且螺帽可有多种形式的膨胀螺丝,以克服上述问题。
本实用新型是这样构成的:它由螺帽(1),螺杆(2),螺套(3),外套(4)组成,螺套(3)内有螺纹(5),与螺杆(2)配合,其后端为喇叭形,外套(4)套在螺套(3)外。
本实用新型与现有技术相比,具有外形美观,功能多,紧固力强等优点。其螺帽处可根据需要制成挂钩、圆圈等各种形式,且可使螺帽埋入墙内,从而使其无外露部分。使用时,拧动螺帽,螺杆拉动螺套向外移动,螺套的喇叭口将外套撑开达到膨胀紧固目的。
附图1为本实用新型的使用示意图。
本实用新型的实施例:螺帽(1)与螺杆(2)做成一体,螺帽(1)可做成挂钩形、圆圈形等多种形式,螺套(3)内有螺纹(5),与螺杆(2)配合,其后端做成喇叭形,外套(4)套在螺套(3)外。

Claims (1)

1、一种膨胀螺丝,它由螺帽(1),螺杆(2),螺套(3),外套(4)组成,其特征在于:螺套(3)内有螺纹(5),与螺杆(2)配合,其后端为喇叭形,外套(4)套在螺套(3)外。
CN 01256995 2001-12-21 2001-12-21 膨胀螺丝 Expired - Fee Related CN2523999Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01256995 CN2523999Y (zh) 2001-12-21 2001-12-21 膨胀螺丝

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 01256995 CN2523999Y (zh) 2001-12-21 2001-12-21 膨胀螺丝

Publications (1)

Publication Number Publication Date
CN2523999Y true CN2523999Y (zh) 2002-12-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 01256995 Expired - Fee Related CN2523999Y (zh) 2001-12-21 2001-12-21 膨胀螺丝

Country Status (1)

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CN (1) CN2523999Y (zh)

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