Wire Harness Adhesive Packaging for Clamp Pitch Precision
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Solution Overview
Problem
The existing wire harness attachment methods are inefficient due to lack of precision in clamp pitch alignment, increased operational time, and complexity in assembly, leading to potential slackness and noise issues during vehicle operation.
Innovation Solution
A wire harness packaged with one-sided adhesive sheets that maintain the predetermined wiring pattern, integrating multiple components and forming sheet holes and shapes to enhance alignment and precision, reducing the need for additional components and simplifying the attachment process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If clamps are individually fixed to the wire harness one by one with tapes, then the wire harness can be attached to the vehicle body, but the pitch precision with which the clamps are attached deteriorates and assembly time increases
Solution Approach 1:
The patent merges multiple individual clamp attachments into a single integrated clamp assembly that attaches multiple clamps to the wire harness simultaneously. This eliminates the need to attach each clamp individually with tapes, thereby improving pitch precision and reducing assembly time.
Solution Approach 2:
The clamp assembly is pre-formed with multiple clamps positioned at predetermined pitches before attachment to the wire harness. This preliminary positioning ensures accurate pitch precision during final installation and eliminates the need for individual alignment and attachment operations.
2Stability of the object's composition
If a protector made of resin is formed into the predetermined wiring pattern to keep the wiring pattern, then the wiring pattern is maintained, but the protector becomes an exclusive article requiring new protectors for each harness wiring course change
Solution Approach 1:
The patent uses a universal clamp assembly design that can accommodate different wire harness configurations without requiring custom-molded protectors for each wiring pattern. The clamp assembly serves multiple functions including positioning, attaching, and maintaining wiring pattern stability across various applications.
Solution Approach 2:
Instead of changing the physical form of the protector for different wiring patterns, the patent adjusts the positioning and configuration parameters of the clamp assembly to adapt to different wire harness courses while maintaining the same basic component design.
3Ease of operation
If clamps are attached with allowance due to pitch precision deterioration, then assembly is easier, but the wire harness becomes slack and hitting sound may occur
Solution Approach 1:
The patent replaces the mechanical tape-wrapping system with a clip-based fastening system that provides secure mechanical retention without requiring excessive tension or allowance, eliminating slackness and associated hitting sounds.
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 solution improves clamp pitch precision, reduces assembly time, and enhances waterproofing, resulting in a more efficient and reliable attachment method that maintains the wiring pattern and reduces noise and slackness.
Implementation Method 1
the wire harness which is wired in a predetermined wiring pattern with respect to an attached body is packaged by being held by a one-sided adhesive sheet so that the wiring pattern is kept
Data Source
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AI summary
A wire harness is provided which can be attached to an attached body in a simple and inexpensive way, and a wire harness is provided so that the pitch precision with which clamps are attached to the wire harness can be improved and the man hours taken to assemble the wire harness can be reduced. A wire harness (13) is packaged by one-sided adhesive sheet (17) which hold clamps (33) in a plurality of sheet holes (31) which are opened at a predetermined pitch in accordance with positions where an attached body (43) is attached. It is desired that a surface material (15) at the side opposite to the adhesive surface of the one-sided adhesive sheet (17) has waterproofness. The positions of the sheet holes (31) which are bored through the one-sided adhesive sheet (17) and through which the clamps (33) are inserted may be offset from the positions X where the wire harness (13) is wired. The clamps (33) have shafts (39) which are inserted through the sheet holes (31) and which may be smaller in diameter than the sheet holes (31) to make it possible to adjust the pitch.