Self-locking puller for zipper and zipper

Abstract

A self-locking puller for the zipper comprises a first wing plate and a second wing plate which are separately arranged up and down, an outer cover is arranged on the first wing plate, and the outer cover is characterized in that a storage space is formed between the outer cover and the first wing plate; the zipper further comprises an upper locking piece arranged on the containing space, and the upper locking piece comprises a supporting part and a claw part capable of swinging around the supporting part to be inserted into the zipper tooth channel; the zipper further comprises a first elastic body arranged in the containing space, and the first elastic body can act on the upper locking piece to enable the claw part to be inserted into the zipper tooth channel; the storage space further comprises an unlocking part, and the unlocking part and the first elastic body are transversely arranged in the left-right direction when viewed in the longitudinal direction; the unlocking part can move longitudinally through the space provided by the containing space so that the unlocking part can have an unlocking position and a locking position; due to the fact that the containing space is formed between the outer cover and the first wing plate, enough installation and containing space is provided for internal components such as the upper locking piece and the first elastic body, and damage to the overall appearance of the self-locking pull head due to exposure of the internal components is reduced.

Description

technical field [0001] The invention relates to a slider with a self-locking mechanism, which is called a self-locking slider in the industry. The self-locking slider is positioned on a chain belt through the self-locking mechanism to maintain a stable zipper closure range. The invention also relates to a slide fastener using the self-locking slider. Background technique [0002] The applicant once proposed a utility model patent CN201721299705.3 on October 10, 2017, which disclosed a slider, including an upper cover, a lower cover and a slider connected between the upper cover and the lower cover. Intermediate connecting column. Wherein the upper cover plate is not provided with a pull nose for threading the pull ring, so that the overall appearance of the pull head is very simple and fashionable. However, during use, the slider is very easy to slide freely against the intention of use and change the closing range of the zipper, so it is necessary to add a self-locking me...

AI Technical Summary

Problems solved by technology

Although the thin slider can save the setting of the pull nose, so that the overall appearance is flat, but the operation part is arranged abruptly in front of the thin slider, which is particularly obtrusive and stiff

Moreover, in order to be able to stably install the elastic member, the longitudinal width of the connecting column is very large, causing the thin slider to appear very clumsy.

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