A refrigerator door sealing strip with strong sealing effect

Abstract

The invention discloses a refrigerator door seal rubber strip with strong sealing effect, which comprises: a suction cavity, an air cavity group, a fixed beam and a fixed cavity. The suction cavity is provided with extrusion ribs to ensure that the magnetic strip and the suction Close contact of joint surfaces; the outer air chamber, middle air chamber and inner air chamber of the air chamber group are separated by oblique "S" ribs; the outer air chamber is provided with a spring-shaped buffer section, which can be used to strengthen the door seal The deformation compensation effect in the vertical direction; the top of the inner air chamber is designed as an inclined corrugated section to realize the multi-point contact sealing between the door seal and the box body; the upper right corner of the inner air chamber is provided with a gradually expanding umbrella-shaped auxiliary air chamber, It can effectively match the gradual expansion of the gap; the two sides of the fixed beam are designed with long flashes, which can form an additional air cavity with the door body; the fixed cavity is equipped with inverted "V" and double "J" ribs strip, which can be used to compensate the machining error of the groove clearance. The door seal rubber strip in the invention has good elastic compensation and good structural stability, and can effectively enhance the sealing and heat insulation effects of the refrigerator door seal.

Description

technical field [0001] The invention relates to the field of refrigerator sealing, in particular to a refrigerator door sealing strip with strong sealing effect. [0002] technical background [0003] The refrigerator is closed all year round, and the cold air in the box and the hot air outside the box mainly exchange heat and mass through the door seal. The infiltration of hot and humid air outside the box not only increases the cooling load of the refrigerator, but also condenses and frosts on the inner wall of the refrigerator, drawers, evaporator, etc., forming a favorable place for bacteria to breed, seriously affecting user experience. Therefore, it is necessary to improve the sealing strength of the door seal. [0004] The refrigerator door seal is composed of a door seal strip and a magnetic strip. The material and structure of the door seal strip are the main factors affecting the sealing performance of the door seal. At present, material improvement and structural...

AI Technical Summary

Problems solved by technology

However, in the prior art, when optimizing the structure of the door seal strip, a single factor is often used as the development goal, and the three factors of sealing, heat insulation and strength are not considered at the same time, which leads to new problems in the application process of the door seal strip, resulting in Repeated "rework" design wastes manpower and material resources

Images