Back-bolt type connecting piece for curtain wall

Abstract

The invention provides a back-bolt type connecting piece for a curtain wall. The back-bolt type connecting piece for the curtain wall is characterized by comprising a back bolt and a bolt lock. The back bolt comprises a clamping part; the bolt lock comprises a protection frame and an openable clamping and matching mechanism located in the protection frame; the clamping and matching mechanism comprises an upper lip piece, a lower lip piece and two rotary shafts; the upper lip piece is rotatably connected with the protection frame through one rotary shaft, and is formed by a plurality of strips in an overlapping way; hook heads connected with the clamping part in a matching way are arranged on the front ends of the strips; the lower lip piece is rotatably connected with the protection frame through the other rotary shaft, and is formed by a plurality of strips in an overlapping way; and hook heads connected with the clamping part in a matching way are arranged on the front ends of the strips. The back bolt of the connecting piece provided by the invention is embedded into a back face of a dry-hanging plate and is connected with the bolt lock in an inserted connection way, so that the replacement and repair process of a single plate can be greatly simplified; and in addition, compared with a traditional back-bolt type, the fastened connection of the back bolt and a keel or an anchor bolt can also be realized.

Description

[0001] This application is a divisional application of Chengdu Kuidian Technology Co., Ltd.'s earlier application (name of invention: back bolt connector for curtain wall, application date: October 21, 2014, application number: 2014105638108). technical field [0002] The invention relates to the field of building components, in particular to a back-bolt connector for a curtain wall. Background technique [0003] Stone dry hanging method, also known as empty hanging method, is a new construction technology in contemporary stone decoration. In this method, metal pendants are used to directly hang the facing stone on the wall or on the steel frame without grouting and pasting. The principle is to set the main stress points on the main structure, and fix the stone on the building through metal pendants to form a stone curtain wall. [0004] There are mainly two types of dry-hanging curtain wall connectors (metal pendants) at present: groove connectors and back bolt connectors....

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a back-bolt type connector for curtain wall, which solves the problem that once a certain plate is damaged, it is extremely troublesome to repair when traditional stone dry hanging parts are used, and solves the problem of the traditional back-bolt type connector and keel or anchor bolt. The problem of loose connection between

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