Profile Housing Top-Down Insertion for Power Supply Assembly
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Solution Overview
Problem
Existing power supply units face issues with built-in units becoming insecurely seated due to canting and requiring side-by-side insertion, leading to increased assembly time and design complexity.
Innovation Solution
A profile housing design with specific edge geometries and features such as recesses, latching hooks, and end caps allows for secure locking of built-in units from above, enabling easy insertion and maximum internal volume, eliminating the need for screw-on components and reducing assembly time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If built-in units are inserted from the side into a U-shaped profile housing, then the built-in units can be assembled into the power supply unit, but even a slight canting causes the legs of the U-shaped cross section to be pushed apart, making the built-in units insecurely seated
Solution Approach 1:
The patent inverts the traditional side-insertion approach by enabling top-down insertion of built-in units into the profile housing. The open top geometry allows units to be guided vertically into position, preventing lateral canting forces that would push apart the U-shaped legs. This inversion of insertion direction resolves the contradiction between ease of operation and seating security.
Solution Approach 2:
The patent transitions from two-dimensional side insertion to three-dimensional top-down insertion. By opening the top of the profile housing, built-in units can be inserted along the vertical dimension rather than being forced horizontally from the side. This dimensional change eliminates the lateral forces that cause insecure seating while maintaining ease of assembly.
2Ease of manufacture
If built-in units are pushed into the socket profile one after the other from the side, then the power supply unit can be assembled, but the time required for assembly depends on the number of built-in units, increasing assembly time
Solution Approach 1:
The patent merges multiple built-in units into a single assembly operation by enabling simultaneous top-down insertion. Instead of pushing units in sequentially from the side, multiple units can be aligned and inserted together through the open top of the profile housing, significantly reducing assembly time while maintaining ease of manufacture.
Solution Approach 2:
The patent applies preliminary action by pre-aligning multiple built-in units before insertion. The open top geometry allows units to be positioned and aligned in advance, then inserted simultaneously as a group rather than being pushed in one by one, thereby reducing the time loss associated with sequential assembly operations.
3Strength
If a U-shaped profile housing with legs is used to accommodate built-in units, then the structure can hold the units, but the legs are pushed apart by slight canting, reducing the internal volume available for units
Solution Approach 1:
The patent inverts the structural approach by opening the top of the profile housing instead of maintaining closed U-shaped legs. This inversion allows the profile to provide structural support through its overall geometry and material properties rather than relying on leg resistance, thereby eliminating the volume loss caused by leg deformation while maintaining structural strength.
Solution Approach 2:
The patent extracts the legs from the U-shaped profile housing design. By removing the closed U-shaped leg structure that is prone to being pushed apart, the design eliminates the source of volume loss. The open-top profile housing provides equivalent structural support without the lateral deformation issues, maximizing internal volume for built-in units.
Data Source
Figure 1~2
Figure 3~4
Figure 5~7
AI summary
The lathe (1) has a mounting unit that is provided inside profile housing (8). The edge (9) of the profile housing is provided with an inner side (11) and an outer side (10). The outer side of profile housing is in operative connection with the edge of the profile housing and inner side of profile housing is in operative connection with the edge of the profile housing so that a pressing apart of the edges of the profile housing is avoided. An independent claim is included for method for manufacture of lath.