CN2111397U - 特种膨胀螺栓 - Google Patents

特种膨胀螺栓 Download PDF

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Publication number
CN2111397U
CN2111397U CN 91223679 CN91223679U CN2111397U CN 2111397 U CN2111397 U CN 2111397U CN 91223679 CN91223679 CN 91223679 CN 91223679 U CN91223679 U CN 91223679U CN 2111397 U CN2111397 U CN 2111397U
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CN
China
Prior art keywords
bolt
breechblock
anchoring
fastening
fastening bolt
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Granted
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CN 91223679
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English (en)
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严彬
严晓浪
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Individual
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Individual
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Priority to CN 91223679 priority Critical patent/CN2111397U/zh
Publication of CN2111397U publication Critical patent/CN2111397U/zh
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Abstract

一类将锚固栓与紧固栓相分离的特种膨胀螺栓 由本设计首创推出,由螺体1、锚固栓2、紧固栓3构 成,其特征是螺体1被锚固时,紧固栓3是自由的,所 以能把被紧固物理想地可靠定位,功能超过目前德、 日等国领先的同簇产品。

Description

一类膨胀螺栓的制造技术设计。
传统及现行的各种膨胀螺栓其基本特片是锚固栓与紧固栓连为一体的,在使用时便不可避免地发生锚固与紧固必须同时到位,互相制约,而且紧固栓头往往不等长地留存在外或发生长度不够的现象,对使用造成很大限制。
本设计提出将膨胀螺栓中的锚固栓与紧固栓相分离的方案。克服了现行膨胀螺栓的缺点,极大地提高了使用灵活性和可靠性,如图一所示所述特种膨胀栓由螺体1、锚固栓2,紧固栓了或外螺帽4相构成,因螺体1与锚固栓2之间是采用椎体斜面配合或椎体斜面螺纹配合的,工作时当锚固栓2向前推进时,螺体1即被膨胀而锚固,此时紧固栓3是自由的,可非常理想地配合被紧固物的到位,紧固栓3的长度可根据需要而随意选定,不会发生不等长余量问题,当然也可采用外螺帽4来将被紧固物定位。
所述特种膨胀螺栓主要采用金属和塑料制造。
实施例主要提供三种方案来制造系列特种膨胀栓。
图二所示:先将螺体1放入墙体中的钻孔里,再将锚固栓2向前推进,此时螺体1被锚固,然后用紧固体3把被紧固物体就位紧固。
图三所示:先把螺体1放入墙上的钻孔里,然后把锚固栓2向前推进,此时螺体1即被锚固;最后用螺帽3把被紧固物体就位紧固。
图一所示:先把螺体1放入墙上的钻孔里,然后把锚固栓2向前推进,此时螺体1即被锚固,最后根据需要选定紧固栓3或外螺帽4把被紧固物就位紧固。

Claims (1)

  1. 一类膨胀螺栓,由螺体1、锚固栓2、紧固栓3和外螺帽4组成,其特征在于锚固栓2与紧固栓3是分离的,螺体1与锚固栓2之间是采用椎形斜面配合或椎形斜面螺纹配合的,螺体1的非膨胀部位其内腔或外面可设螺纹与紧固栓3或外螺帽4相配合,螺体1的膨胀部位其外面可设有凸轮圈或厥突头,其特征还在于所述的膨胀螺栓主要是用金属或塑料制造。
CN 91223679 1991-08-27 1991-08-27 特种膨胀螺栓 Granted CN2111397U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 91223679 CN2111397U (zh) 1991-08-27 1991-08-27 特种膨胀螺栓

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 91223679 CN2111397U (zh) 1991-08-27 1991-08-27 特种膨胀螺栓

Publications (1)

Publication Number Publication Date
CN2111397U true CN2111397U (zh) 1992-07-29

Family

ID=4930297

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 91223679 Granted CN2111397U (zh) 1991-08-27 1991-08-27 特种膨胀螺栓

Country Status (1)

Country Link
CN (1) CN2111397U (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104154079A (zh) * 2014-08-19 2014-11-19 江苏中寰卫星导航通信有限公司 一种膨胀式天线钢缆固定座
CN104314939A (zh) * 2014-08-26 2015-01-28 贵州航天新力铸锻有限责任公司 热核聚变堆磁体支撑锁紧膨胀螺栓

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104154079A (zh) * 2014-08-19 2014-11-19 江苏中寰卫星导航通信有限公司 一种膨胀式天线钢缆固定座
CN104314939A (zh) * 2014-08-26 2015-01-28 贵州航天新力铸锻有限责任公司 热核聚变堆磁体支撑锁紧膨胀螺栓

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