Vehicle Pedal Harness Routing Structure for Safer Assembly
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Solution Overview
Problem
The existing pedal installation structures for vehicles face difficulties in workability during assembly due to high tension in harnesses, which restricts pedal position and increases the risk of harness breakage when connected from the front side, and the surplus length portion often needs to be avoided to prevent entering beneath the pedal, leading to poor workability.
Innovation Solution
A pedal installation structure that includes a pedal with a surplus length portion of the harness guided by a guiding member to route it on the outer side of the pedal pad, preventing the surplus length from entering beneath the pedal, thereby improving workability during assembly and reducing the risk of harness breakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the harness is connected from the vehicle longitudinal direction front side of the control box, then the harness connection is achieved, but the workability deteriorates due to high tension and restricted pedal position
Solution Approach 1:
The harness is pre-routed through the guiding member (clamp member) before pedal assembly, and the surplus length portion is intentionally provided in advance. This preliminary arrangement of the harness allows the pedal to be assembled without tension restrictions while preventing the harness from entering beneath the pedal during installation.
2Ease of manufacture
If the surplus length portion of the harness is provided to improve workability, then assembly flexibility increases, but the surplus length portion may enter beneath the pedal causing breakage risk
Solution Approach 1:
The guiding member (clamp member) acts as an intermediary that physically guides and restrains the harness. It prevents the surplus length portion from entering beneath the pedal while still allowing the necessary slack for assembly workability. The guiding member mediates between the need for harness flexibility and the risk of harness breakage.
3Area of stationary object
If the harness is routed on the inner side of the pedal pad, then the routing is compact, but the harness may enter beneath the pedal and break when the pedal is depressed
Solution Approach 1:
The guiding member extends in the vehicle transverse direction (width direction), creating a spatial barrier that redirects the harness routing path. Instead of routing the harness parallel to the pedal movement direction (longitudinal), the guiding member forces it to route laterally (transversely) on the outer side of the pedal pad, eliminating the risk of entrapment while maintaining compact routing.
Data Source
AI summary
A pedal installation structure for a vehicle, the pedal installation structure including: a pedal provided at a front portion of a vehicle cabin interior, the pedal having a pedal pad to which stepping force is applied and that is supported so as to be able to pivot around a shaft portion provided along a vehicle transverse direction; a harness connected to the pedal, the harness having, at a vehicle longitudinal direction front side of the pedal, a surplus length portion by which slack is obtained; and a guiding member that guides the harness such that the harness is routed at an outer side of the pedal pad, as seen in a plan view.