Screw with good positioning effect for aluminum alloy door and window

Abstract

The invention discloses a screw with a good positioning effect for aluminum alloy door and window. The screw comprises a clamping screw and a clamping groove, wherein the clamping screw comprises a screw head, a screw rod and a screw cap; the screw rod is arranged at the bottom of the screw head; the screw cap is arranged at the bottom of the screw rod; the screw head comprises a first cylindrical table, a circular truncated cone and a second cylindrical table which are arranged from bottom to top; the screw rod and the screw head are externally and uniformly provided with external threads; the clamping groove sleeves the screw head and comprises a clamping top surface, clamping vertical faces, clamping inclined planes and clamping heads; two ends of the clamping top surface are vertically down provided with the clamping vertical faces; the bottoms of the clamping vertical faces are inward provided with the clamping inclined planes; the bottoms of the clamping inclined planes are provided with the clamping heads; the clamping top surface is provided with a downward clamping boss; the top of the second cylindrical table is inward provided with the clamping groove. The screw disclosed by the invention has the advantages that disassembly is facilitated, the connection is reliable, concealed installation can be realized, the attractive effect is improved, the screw head is conveniently positioned, the positioning quickness is improved, the installation complexity is reduced and the clamping effect of the screw is improved.

Description

[0001] 【Technical field】 [0002] The invention relates to the technical field of screws, in particular to the technical field of screws for connecting aluminum alloy doors and windows with good positioning effect. [0003] 【Background technique】 [0004] Since its inception, aluminum alloy doors and windows have been favored by consumers due to their light weight and corrosion resistance. At the same time, compared with plastic steel doors and windows in terms of wind pressure resistance, water tightness, lighting performance, fire resistance, aging resistance, deformation and expansion It also has its advantages. There are many types of aluminum alloy doors and windows. At present, there are many styles of high-end aluminum alloy doors and windows connections, which greatly increases the complexity of aluminum alloy profile connections. Screws are required for aluminum alloy doors and windows connections, and the requirements for screws are also increased. . [0005] At pres...

AI Technical Summary

Problems solved by technology

[0005] At present, when many screws are installed on aluminum alloy doors and windows, there is no special connection structure, which makes the installation process more complicated and inefficient. The screws lack a positioning structure during the installation process, and the positioning effect is poor, and most of the screws are surface mounted, which affects the whole. aesthetic performance

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