Curved Wire Harness Protector Mounting on Circular Reinforcing Member
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Solution Overview
Problem
Conventional wiring harness mounting structures face instability and reduced workability when using circular-sectional reinforcing members, and increased costs and limited positioning when using flat top surfaces, along with complex terminal connections.
Innovation Solution
A mounting structure featuring a protector with a curved concave portion engaging a circular-sectional reinforcing member, a locking clamp for secure fixation, and a bracket system for efficient grounding, allowing space-saving and simplified installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a locking clamp is used to fix the harness protector on a circular-sectional reinforcing member, then the harness protector can be mounted, but stability is insufficient and mounting workability is reduced
Solution Approach 1:
The bottom surface of the harness protector is designed with a curved shape that matches the circular cross-section of the reinforcing member. This curved bottom surface enables stable engagement with the circular reinforcing member, improving stability while maintaining ease of mounting through simple geometric compatibility rather than complex locking mechanisms.
2Ease of manufacture
If a flat top surface reinforcing member is used to mount the harness protector, then mounting is possible, but the cost increases and positioning options are limited
Solution Approach 1:
The curved bottom surface design of the harness protector enables it to be universally mounted on circular-sectional reinforcing members, which are standard in vehicle structures. This design maintains compatibility with existing reinforcing member geometries, avoiding additional costs while providing flexible positioning options along the reinforcing member.
3Reliability
If a ground terminal is connected to the reinforcing member with a bolt, then grounding is achieved, but the process requires additional time and complexity
Solution Approach 1:
The ground terminal is integrated directly into the harness protector assembly, combining the grounding function with the mounting structure. This integration allows the ground terminal to be positioned and connected simultaneously with the harness protector mounting, eliminating separate grounding operations and reducing assembly time while ensuring reliable electrical connection to the vehicle body through the reinforcing member.
Data Source
Figure 1
Figure 2
Figure 3A~3D
AI summary
An object is to mount a harness protector on a circular-sectional-shaped reinforcing member stably in a space-saving manner. A protector (3) into which a wiring harness (2) is inserted is arranged on a top portion of a circular-sectional-shaped horizontal reinforcing member (1) at a vehicle side along a longitudinal direction of the reinforcing member (1). A curved bottom surface (7) formed on a bottom of the protector (3) is engaged with a curved top surface of the reinforcing member (1). A locking clamp (4) projected from the bottom is engaged with a hole (5) of the reinforcing member (1). A notch portion (31) communicated with the curved bottom surface (7) and a bracket 23 positioned at an upper side of the notch portion (31) are provided on a sidewall (21) of the protector (3). A receiving bracket (14) of the reinforcing member (1) is engaged with the notch portion (31), and the bracket (23) is screwed and fixed to the receiving bracket (14). A bottom surface of a ground terminal (27) is exposed in a bottom surface of the bracket (23), and the bottom surface of the ground terminal (27) abuts on the conductive receiving bracket (14) at the same time as the bracket (23) is screwed and fixed.