Metal YG spring automatic slider

Abstract

A metal YG spring automatic slider comprises a slider body, a spring and a puller, wherein the slider body comprises an upper hull plate, a lower hull plate and a guide post connected with the front end of the upper hull plate and the front end of the lower hull plate, and a front bulge and a back bulge are arranged in the middle and at the back part of the upper side of the upper hull plate respectively; a front through hole and a back through hole are formed in the middle and the back part of the spring; the spring is movably buckled and pressed on the slider body, the front bulge is inserted into the front through hole to be contacted with the spring, and the back bulge penetrates through the back through hole to limit the movement of the spring; the puller can be clamped between the slider body and the elastic piece in a forward and backward rotation manner. The front bulge is inserted into the front through hole to be contacted with the spring, so that the movement range of the spring is limited, the elastic piece can only move up and down along the front bulge under the action of the puller, the movement amplitude is greatly reduced as compared with that in the prior art, andthus, the probability of deformation of the spring is greatly reduced during usage.

Description

technical field [0001] The invention relates to the field of zippers, in particular to a metal YG spring automatic head. Background technique [0002] YG is an English abbreviation method of YKK zipper. Y refers to Y-shaped tooth metal zippers, which are mainly used for zippers such as denim clothes that need to be washed, but now most of the domestic metal zippers also use Y-shaped teeth, mainly because Y-shaped tooth metal zippers are stronger than ordinary tooth metal zippers. , Not easy to lose teeth. G refers to the copper tooth zipper, the zipper made of copper. [0003] Most of the existing YG sliders are composed of the slider body, shrapnel and puller. It has high requirements on the quality of the shrapnel. As long as the shrapnel is deformed, the entire YG slider will be declared damaged. Therefore, the focus of YG slider design is The most important thing is to avoid the deformation of the shrapnel during use, and the existing YG sliders are difficult to effec...

AI Technical Summary

Problems solved by technology

[0005] The invention provides a metal YG spring automatic head, the main purpose of which is to overcome the defect that the shrapnel in the existing YG slider is easily deformed during use

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