An anti-backflow valve and an inflation product

By employing a movable bracket and a one-way diaphragm valve design in self-inflating products, combined with an automatic telescopic locking mechanism and locking components, the problem of air return and expansion during storage of self-inflating products is solved, achieving stable one-way closure of the fluid channel and a simple, integrated structure.

CN122129573APending Publication Date: 2026-06-02ZHEJIANG BIG NATURE OUTDOOR ARTICLE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG BIG NATURE OUTDOOR ARTICLE CO LTD
Filing Date
2026-03-31
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Self-inflating products are prone to back-air expansion during storage. Existing valve structures are complex or costly, and valve cores are difficult to flip. Accidental activation of the automatic telescopic locking mechanism can lead to the failure of one-way closure of the fluid channel.

Method used

It adopts a bracket that can move in opposite directions or out of direction and a one-way diaphragm, combined with an automatic telescopic locking mechanism and locking components. The status is locked by the groove structure and the cooperation of the protrusion, which reduces the probability of accidental touch.

Benefits of technology

It achieves unidirectional closed stability of the fluid channel, reduces the probability of failure caused by accidental activation of the automatic telescopic locking mechanism, and has a simple structure and strong integration.

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Abstract

This application relates to a backflow prevention valve and an inflation product for preventing accidental contact and leakage, belonging to the field of ventilation device technology; by setting a first component on the housing and a second component on the automatic telescopic locking mechanism, the first component and the second component cooperate to form a locking assembly, which can realize locking in the first state and / or the second state, thereby reducing the probability of one-way closure failure of the fluid channel caused by accidental contact with the automatic telescopic locking mechanism.
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