Double-Seal Box Cover Structure for Easy Ring Cleaning
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Solution Overview
Problem
Existing boxes face difficulties in easily separating and cleaning the sealing ring due to its integration within the clamping groove, leading to poor sealing performance and inconvenience in disassembly.
Innovation Solution
A box design featuring a double-sealing mechanism with a top and bottom sealing ring, where the top sealing ring is crimped between the box body and cover, and the bottom sealing ring is in compression contact with the box body, along with a limiting cylinder to support the middle sealing cylinder, ensuring easy disassembly and improved sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the annular silicone pad is entirely embedded in the annular clamping groove on the box cover, then the sealing effect is improved, but it becomes difficult to take out the sealing pad for washing or disinfection
Solution Approach 1:
The sealing structure is divided into multiple independent sealing rings (first sealing ring, second sealing ring, third sealing ring) positioned at different locations. Each sealing ring can be independently installed and removed, allowing the sealing components to be separated from the box cover for cleaning while maintaining the embedded sealing effect when assembled.
Solution Approach 2:
An inserting flange is introduced as an intermediary component that connects the first sealing ring to the annular clamping groove. The inserting flange has an inserting end that fits into the clamping groove and a extending end that protrudes outward, providing a grip point for removal while maintaining secure embedding during use.
2Reliability
If a single sealing structure is used, then the device complexity is reduced, but the sealing performance is poor
Solution Approach 1:
The sealing system is segmented into three distinct sealing rings positioned at different locations: the first sealing ring at the opening end of the box body, the second sealing ring on the box cover, and the third sealing ring at the bottom end of the box body. This segmentation provides multiple sealing points that work together to achieve superior sealing performance.
Solution Approach 2:
The sealing approach transitions from a single-plane seal to a multi-dimensional sealing system. The sealing rings are arranged at different heights and positions (opening end, middle section, bottom end), creating a three-dimensional sealing barrier that prevents leakage from multiple angles and directions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The double-sealing system enhances sealing performance, allows easy cleaning of the sealing ring, and supports stable placement of additional components like spoons and rulers.
Implementation Method 1
an elastic sealing ring which comprises: a top sealing ring, wherein the top sealing ring is crimped between the open end of the box body and the bottom end surface of the box cover
Data Source
AI summary
The present invention discloses a box, comprising: a box body; a box cover, wherein the box cover is covered at an opening of the box body, a limiting cylinder is formed on the bottom end of the box cover near an outer edge, and the bottom end of the box cover is provided with an annular clamping groove located at the outer side of the limiting cylinder; an elastic sealing ring which comprises: a top sealing ring, an inserting flange; a middle sealing cylinder, and the middle sealing cylinder is sleeved on the outer cylinder wall of the limiting cylinder; and a bottom sealing ring, and the outer edge of the bottom sealing ring is in compression sealing contact with the inner wall of the box body.