Sealing structure with high protection grade

The utility model belongs to the technical field of sealing, and particularly discloses a high-protection-grade sealing structure which comprises a box cover and a box body which are buckled with each other, a sealing ring is arranged between the combination faces of the box cover and the box body, the sealing ring comprises an upper sealing portion and a side sealing portion which are connected with each other, the side sealing portion is located at the bottom of the upper sealing portion, and the upper sealing portion is located at the bottom of the side sealing portion. The cross section formed by the upper sealing part and the side sealing part is in an inverted L shape. The sealing structure solves the problem that in a common sealing structure, due to the fact that the perimeter and the contact area of a rectangular section are limited, the sealing effect is insufficient, and product protection fails. 本实用新型属于密封技术领域，具体公开了一种高防护等级密封结构，包括相互扣合的盒盖和盒体，所述盒盖和盒体的结合面之间设有密封圈，所述密封圈包括相互连接的上密封部和侧密封部，所述侧密封部位于上密封部的底部，所述