US 2024/0425249 A1Published application

Storage box with adjustable air vents

AssigneeFoshan Changfengpolang trade Co., LTD

InventorsRensheng Liang, Huiping Ye

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Abstract

The present invention discloses a storage box with adjustable air vents, the number or size of the first air vents exposed can be adjusted by rotating the rotary adjustment valve, and the number or size of the second air vents exposed can be adjusted by shifting the sliding adjustment valve, so that the ventilation volume of the air vents at two sides can be changed or even the air vents can be completely closed, and the freshness of bread can be further improved by controlling the convection of air flow to affect the change of air humidity. The rotary adjustment valve and the sliding adjustment valve both have a very simple structure, fewer parts and low cost, and are very convenient to mount, maintain and use.

Claims10

Dependent claims

A storage box with adjustable air vents, comprising a box body and a box door, wherein the box door is mounted on the box body, the box body is provided with first air vents arranged regularly;

a rotary adjustment valve is arranged on the box body corresponding to the first air vents, and the first air vents are communicated with the inside of the box body;
the rotary adjustment valve is provided with an opening opposite to the first air vents, and an overlapping area between the opening and the first air vents is changed by rotating the rotary adjustment valve, so as to form an adjusting structure for the ventilation volume of the first air vents;
the box body is provided with second air vents and a sliding adjustment valve, and the second air vents are communicated with the inside of the box body;
and the sliding adjustment valve is aligned with the second air vents, and an overlapping area between the sliding adjustment valve and the second air vents is changed by shifting the sliding adjustment valve, so as to form an adjusting structure for the ventilation volume of the second air vents.

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Dependencies are inferred from the claim text.