Striker Mounting Bracket Welded to Quarter Panel
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Solution Overview
Problem
Conventional striker mounting structures for rear seat backs in vehicles face issues of increased weight, cost, and reduced luggage room capacity due to welding methods, and interference with LPG fuel injection hoses, while hinge bolting alternatives are costly and weigh heavily.
Innovation Solution
A striker mounting structure using a seat belt retractor mounting bracket with a U-shaped latch portion and reinforcing brackets, directly welded to the quarter inner panel, reducing weight and cost by eliminating the need for separate mounting brackets and improving rigidity through overlap welding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the striker rod is welded to the upper surface of the mounting bracket, then the strength of the striker is increased, but the welding seat occupies a lot of seating surface, thereby reducing the vehicle luggage room capacity and increasing the mounting bracket width
Solution Approach 1:
The patent changes the welding location from the upper surface to the side wall of the mounting bracket, effectively moving the welding operation to a different spatial dimension. This dimensional shift allows the welding seat to be positioned at the side wall rather than occupying the upper surface area, thereby preserving luggage room capacity while maintaining striker strength through proper side wall welding configuration
2Volume of stationary object
If the rod of the striker is welded to the side wall of the mounting bracket, then the luggage room capacity is secured and package layout is improved, but the rigidity of the striker may be deteriorated
Solution Approach 1:
The patent employs a composite construction where the striker rod is welded to the side wall of the mounting bracket, and a reinforcing bracket is added to compensate for potential rigidity losses. This composite approach combines the mounting bracket with an additional reinforcing element, creating a strengthened assembly that maintains both luggage room capacity and striker rigidity through the combined structural system
3Adaptability or versatility
If an integrated fuel inlet is used for injecting gasoline fuel and LPG fuel simultaneously, then fuel injection functionality is improved, but the mounting bracket cannot be used because the LPG fuel injection hose passes through the mounting bracket mounting area
Solution Approach 1:
The patent segments the mounting system by separating the striker mounting function from the fuel hose routing function. The striker is mounted on the side wall of the mounting bracket at a location that is spatially separated from the fuel hose passage area, allowing the integrated fuel inlet system to operate without interfering with the striker mounting bracket usability
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
This solution reduces vehicle weight and cost, enhances seat and anchorage rigidity, and prevents interference with rear shock absorbers, while allowing for efficient mounting and improved package layout without compromising luggage room capacity.
Implementation Method 1
A reinforcing bracket is bonded to a part of the latch portion at one side of the striker and one side surface of the mounting bracket
Data Source
AI summary
A striker mounting structure of a rear seat back for a vehicle is disclosed, which comprises a mounting bracket with assemble hole; a striker fixedly coupled to the mounting bracket inserted into the assemble hole, and detachably coupled to a seat back of a rear seat; and a seat belt retractor mounting portion at which a seat belt retractor is mounted, and coupled to the mounting bracket, so that it is possible to reduce weight and cost.