Molded Cable Guard for Child Seat Load on Vehicle Handbrakes
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Solution Overview
Problem
The existing child seat bases in vehicles can cause significant pressure on the handbrake base and cables during braking or impacts, leading to potential damage and disruption of the braking system, as the floor mat does not provide adequate protection for the rear area of the handbrake base.
Innovation Solution
A molded part is integrated into the vehicle floor, featuring coupling means with protuberances that fit into holes in the handbrake base, providing a support surface for the child seat base's wedging leg and protecting the cables, thus preventing damage and ensuring the handbrake's functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the child seat base wedging leg rests directly on the handbrake base rear area, then the child seat can be installed, but the cables and handbrake lever are damaged under high pressure during braking or impact
Solution Approach 1:
A molded part is introduced as an intermediary component between the child seat base wedging leg and the handbrake base. This mediator distributes the high pressure forces over a larger area and protects the cables and handbrake lever from direct contact with the concentrated load, thereby preventing damage while maintaining child seat installation functionality.
Solution Approach 2:
The molded part is designed with coupling means including two protrusions that fit into two separate holes in the handbrake base, positioning the protective structure at two different locations. This segmentation allows the force to be distributed across multiple contact points rather than concentrated at a single point, reducing stress on individual cable routing areas.
2Reliability
If a protective structure is added to protect the handbrake base rear area, then cable damage is prevented, but the device complexity increases
Solution Approach 1:
The protective function, the structural support function, and the cable protection function are merged into a single molded part. This integrated component simultaneously provides a support surface for the wedging leg, defines a protective interface for the cables, and couples to the handbrake base, eliminating the need for multiple separate protective components.
Solution Approach 2:
The molded part is designed to perform multiple functions: it provides mechanical support for the child seat base wedging leg, protects the cables from pressure damage, defines a protective interface for the handbrake lever, and couples to the handbrake base through integrated coupling means. This multi-functionality reduces overall system complexity compared to using separate components for each function.
Data Source
Figure 1~2
Figure 3~4
AI summary
A moulded part (6) is fitted in a vehicle (1) comprising a floor board (2) on which are mounted front seats, at least one rear seat and, between the front seats, a hand brake (3) coupled to braking means by way of cables (4), a portion of which is positioned in an area (9) situated in front of a central part of the rear seat, said central part being adapted for connecting a baseplate of a child seat. The moulded part (6) comprises connection means (14) connected to the area (9) and a wall (13) disposed above the cables (4) that defines a bearing surface for the lower end (11) of a bracing element (10) of the baseplate and a protection interface for the cables (4).