Wire Harness Protector With Inclined Lid Tape-Support
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Solution Overview
Problem
Existing wire harness protectors fail to adequately protect the wire harness from external interfering members at the tape-wrapping position, leading to potential damage and limitations in downsizing and installation due to the restricted configuration of tape-support tongue pieces.
Innovation Solution
A protector design featuring a main body casing with U-shaped cross-section and a lid with inclined tape-support portions, where the lid's tape-support portion is reinforced and flexible, allowing it to contact the wire harness from the side and be secured with tape, ensuring protection from external interfering members without increasing the protector's size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the main body casing and lid are extended to the tape-wrapping position to protect the wire harness, then the wire harness protection is improved, but the space requirement and arranging work complexity increase
Solution Approach 1:
The protector is divided into a main body casing and a separate lid that can be attached after the wire harness is inserted. The lid includes tape-support portions that extend to the tape-wrapping position, providing protection without requiring the entire main body casing to be extended, thus reducing the overall size requirement while maintaining protection capability.
Solution Approach 2:
The wire harness is first inserted into the main body casing, and then the lid is attached to provide additional protection at the tape-wrapping position. This sequential assembly allows the protector to be compact during installation while still providing full protection when assembled, avoiding the need for a larger pre-assembled structure.
2Ease of manufacture
If tape-support tongue pieces are provided only on the main body casing, then the manufacturing simplicity is improved, but the wire harness protection at the tape-wrapping position is insufficient
Solution Approach 1:
The tape-support portions are relocated from the main body casing to the lid, which is a separate component. This segmentation allows the main body casing to remain simple for manufacturing, while the lid provides the necessary tape-support functionality at the tape-wrapping position, achieving both manufacturing ease and adequate protection.
Solution Approach 2:
The lid acts as an intermediary component that bridges the main body casing and the tape-wrapping position. By placing tape-support portions on the lid rather than extending the main body casing, the design provides protection at the critical tape-wrapping position while keeping the main body casing simple to manufacture.
3Stability of the object's composition
If the protector is secured by tape-wrapping with tape-support tongue pieces, then the protector stability on the wire harness is improved, but the protection coverage at the tape-wrapping position is reduced
Solution Approach 1:
The lid serves as an intermediary structure that provides tape-support portions at the tape-wrapping position. These portions allow the tape to secure the protector to the wire harness while the lid itself provides additional protection coverage, thus maintaining both stability and protection coverage simultaneously.
Solution Approach 2:
The tape-support portions on the lid extend in a direction that allows the tape to wrap around the wire harness and secure the protector, while the lid's structure provides protection coverage in a different spatial dimension, thus achieving both securing function and protection function without conflict.
Data Source
AI summary
A protector for a wire harness has a U-shaped main body casing for receiving a wire harness and a lid for closing an opening in the main body casing. The main body casing has opposite longitudinal ends with inlet and outlet portions for passing the wire harness. The inlet and outlet portions define tape-supports to be secured to the wire harness by tape-wrapping. A tape-support also is provided on a longitudinal end of the lid at a side of at least one of the inlet and outlet portions. The tape-support of the lid is slanted to contact an outer surface of the wire harness. The wire harness is disposed between the tape-supports of the lid and the main body casing. A tape is wound around the tape-supports of the main body casing and the lid to secure these portions to the wire harness.