Case Mounting Piece Structure for Waterproof Fastening
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Solution Overview
Problem
The existing mounting bracket systems for electrical devices require excessive materials and result in low assembly efficiency due to the need for sealing gaskets and complex processing, which increases costs and compromises aesthetics.
Innovation Solution
A mounting bracket design featuring through holes and rack fixing members that allow direct fixation within the case body, eliminating the need for external seals and simplifying the processing by allowing the case fixing member to pass through, thereby reducing material usage and improving assembly efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a sealing gasket is provided between the mounting bracket and the case body to ensure waterproofing, then waterproofing reliability is improved, but the quantity of mounting materials increases and assembly efficiency deteriorates
Solution Approach 1:
The patent removes the sealing gasket from the mounting structure by redesigning the case body with integrated sealing features. The case body includes a mounting cavity with a sealing surface that directly contacts the mounting bracket, eliminating the need for separate sealing materials while maintaining waterproofing functionality.
Solution Approach 2:
The sealing function is merged into the case body structure itself. The case body integrates the mounting cavity and sealing surface as a unified component, combining the structural support and sealing functions into a single element, thereby reducing the number of separate mounting materials needed.
2Stability of the object's composition
If the mounting bracket is mounted on two planes of the case body, then the structural stability is improved, but the device complexity and assembly difficulty increase
Solution Approach 1:
The mounting bracket is divided into distinct functional sections: a mounting portion that interfaces with the case body's sealing surface, and an extending portion that protrudes outward. This segmentation allows each part to perform its specific function while simplifying the overall mounting process.
Solution Approach 2:
The mounting bracket extends from the mounting cavity in a direction perpendicular to the sealing surface, utilizing three-dimensional space efficiently. This dimensional extension allows the bracket to provide structural stability while maintaining a compact overall design.
3Reliability
If threaded holes and grooves are formed in the mounting bracket for accommodating the sealing gasket, then the waterproofing is improved, but the manufacturing complexity and processing time increase
Solution Approach 1:
The patent eliminates the need for threaded holes and grooves in the mounting bracket by removing the sealing gasket from the design. The sealing function is achieved through the case body's integrated sealing surface, which requires no additional processing features on the mounting bracket.
Solution Approach 2:
The sealing surface is pre-formed as an integral part of the case body's mounting cavity during case body manufacturing. This preliminary formation of the sealing surface eliminates the need for subsequent processing steps on the mounting bracket, such as drilling threaded holes or machining grooves.
4Strength
If case screws are used to fasten the mounting bracket, then the structural strength is improved, but the aesthetics deteriorates due to exposed screw heads
Solution Approach 1:
The patent removes the visible case screws from the exterior by using a snap-fit mounting mechanism. The mounting bracket includes a snap portion that engages with a corresponding structure in the mounting cavity, providing secure fastening without exposed fastening elements on the case exterior.
Solution Approach 2:
The mounting cavity structure acts as an intermediary between the mounting bracket and the case exterior. It provides the fastening function internally while presenting a clean, uninterrupted surface on the case exterior, thus mediating between structural strength requirements and aesthetic requirements.
Data Source
AI summary
A mounting piece of the case includes a case connecting outer wall and a cover plate connecting outer wall, wherein the case connecting outer wall is provided with a through hole allowing for a case fixing part on an inner wall of a case body to pass through. The provision of the through hole in the mounting piece of the case to allow the case fixing part on the inner wall of the case body to pass through enables the case fixing part to be directly fixed to the case body, without providing a hole in the case body, such that waterproofing can be achieved without providing a seal between the mounting piece and the case body, thus effectively reducing installation materials and improving installation efficiency.