Stamped Rivet Structure for Space-Saving Server Partitioning
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Solution Overview
Problem
Conventional rivet structures for servers require complex stamping and forming processes, leading to increased costs and space occupancy due to their bent design, which complicates the partitioning of server space.
Innovation Solution
A rivet structure comprising a female rivet plate with elongated countersunk holes and a male rivet plate with corresponding rivet heads, where the rivet is inserted and flattened by a stamping member, simplifying the structure and reducing manufacturing costs while enhancing load-bearing strength and space efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a bent rivet structure is used, then the rivet can be inserted into the partition plate, but the rivet occupies more space and complicates the partitioning of server space
Solution Approach 1:
Instead of bending the rivet shaft to achieve insertion, the invention inverts the approach by keeping the shaft straight and creating a bent shape in the head portion. The head is formed with a bent configuration that includes a first bent portion and a second bent portion, allowing the rivet to be inserted in a straight line while the head provides the necessary mechanical interlocking feature.
2Ease of manufacture
If complex stamping and forming processes are used, then the rivet can be manufactured with bent structure, but the manufacturing cost increases
Solution Approach 1:
The rivet head is segmented into distinct functional portions: a shaft portion for insertion, a head portion with first and second bent portions for mechanical interlocking, and a bearing surface. This segmentation allows each portion to be formed independently through simplified stamping processes, reducing overall manufacturing complexity.
Solution Approach 2:
The invention inverts the traditional forming approach by creating the bent shape in the head portion rather than the shaft portion. This inversion simplifies the stamping process as the head can be formed in a single pressing operation on the flat sheet material before bending, rather than requiring complex multi-step forming of the shaft.
3Ease of manufacture
If a straight rivet shaft is used, then the manufacturing process is simplified, but the load-bearing strength may be reduced
Solution Approach 1:
The invention transfers the load-bearing function from the shaft to the head portion by creating bent portions in the head. The first bent portion engages with one side of the partition plate while the second bent portion engages with the other side, creating a mechanical interlocking system that bears load without requiring shaft bending.
Solution Approach 2:
The rivet utilizes the composite action of the straight shaft providing structural support and the bent head portions providing mechanical interlocking. This composite design combines the advantages of straight shafts (simplicity, strength) with bent head features (load-bearing through interlocking) to achieve both manufacturing simplicity and high load-bearing capacity.
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 proposed rivet structure simplifies the manufacturing process, reduces costs, and improves space utilization within servers by requiring only a stamping member for riveting, achieving high load-bearing strength with minimal pressing force and improved positioning accuracy.
Implementation Method 1
the rivet shaft is flattened by a stamping member on a side of the first plate facing away from the second plate
Data Source
AI summary
A rivet structure includes a female rivet plate and a male rivet plate. The female rivet plate defines an elongated countersunk hole. A size of the countersunk hole increases from a first side of the female rivet plate to a second side of the female rivet plate. The male rivet plate includes a rivet including a shaft portion and two head portions. The shaft portion extends from the male rivet plate. The two head portions are respectively arranged on opposite sides of the shaft portion on a side of the shaft portion facing away from the male rivet plate. The two head portions extend through the countersunk hole from the first side of the female rivet plate to the second side of the female rivet plate. The two head portions are configured to be stamped by a stamping member to fill in the countersunk hole.