Rear Bumper Mudguard Clamp Mounting for Fewer Parts

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Solution Overview

Problem

Conventional mudguard mounting structures for vehicles, particularly those with wide tires, face issues of reduced versatility, increased costs, weight, and design restrictions due to the need for multiple parts and screws, as well as limitations in absorbing vehicle vibrations.

Innovation Solution

A mudguard mounting structure featuring a clamping portion with springiness and an engagement portion that clamps the rear bumper, eliminating the need for bolts and reducing the number of parts and steps required for mounting, while enhancing mounting safety by absorbing vibrations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If a conventional mounting member with multiple parts and screws is used to ensure mounting strength, then the strength of mounting is improved, but the device complexity and cost increase

Engineering Contradiction:
Improvemounting strengthVSAvoidnumber of parts
Core Design Contradiction:
StrengthVSDevice complexity

Solution Approach 1:

The patent combines multiple functions into a single mounting member that integrates both the clamping function (to secure the rear bumper) and the mounting function (to hold the mudguard). This eliminates the need for separate bolts and multiple components, reducing device complexity while maintaining mounting strength through the unified structural design.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The mounting member is designed with multi-functionality, serving both as a clamping mechanism for the rear bumper and as a mounting structure for the mudguard. The L-shaped configuration allows it to perform multiple functions with a single component, reducing the overall number of parts needed in the system.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Strength

If a conventional mounting member requiring holes and screws is used, then mounting strength is improved, but the ease of manufacture deteriorates

Engineering Contradiction:
Improvemounting strengthVSAvoidmounting steps
Core Design Contradiction:
StrengthVSEase of manufacture

Solution Approach 1:

The patent combines the clamping and mounting functions into a single integrated member that can be installed without requiring holes to be bored in the rear bumper. The mounting member incorporates both functions, eliminating multiple manufacturing steps and simplifying the installation process while maintaining adequate mounting strength.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The mounting member is designed with pre-formed engagement structures that allow it to be attached to the rear bumper without requiring preliminary hole-making operations. The clamping portion is configured to engage with the bumper surface directly, eliminating the need for pre-drilling and simplifying the manufacturing process.

Inventive Principle:
Principle #10Preliminary action

3Strength

If screws are used to fix the mounting member, then mounting strength is improved, but the ease of operation deteriorates due to clearance requirements

Engineering Contradiction:
Improvemounting strengthVSAvoiddesign flexibility
Core Design Contradiction:
StrengthVSEase of operation

Solution Approach 1:

The patent eliminates the need for separate screws by integrating the fastening function directly into the mounting member structure. The clamping portion incorporates the fastening mechanism, allowing the mudguard to be mounted without requiring additional clearance for screw heads, thereby improving design flexibility while maintaining mounting strength.

Inventive Principle:
Principle #5Merging (Combining)

4Shape

If a mounting member for wide tires with short flange is used, then the outer appearance is improved, but the strength of mounting deteriorates

Engineering Contradiction:
Improveouter appearanceVSAvoidmounting strength
Core Design Contradiction:
ShapeVSStrength

Solution Approach 1:

The mounting member is constructed from synthetic resin material that provides both the necessary mechanical strength for mounting and the aesthetic appearance required for modern vehicle designs. The material composition allows the flange to be short while maintaining adequate mounting strength, achieving both visual appeal and functional performance.

Inventive Principle:
Principle #40Composite materials

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

The solution reduces costs and improves versatility by simplifying the mounting process, enhancing safety through vibration absorption, and maintaining the aesthetic integrity of the vehicle design.

Implementation Method 1

the clamping portion has springiness

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentUS8191843B2Mudguard mounting structure
Publication Date: 2012.06.05 HONDA ACCESS CORP
  • US8191843B2 patent drawing
  • US8191843B2 patent drawing
  • US8191843B2 patent drawing

AI summary

There is provided a mudguard mounting structure, superior in versatility and capable of reducing the number of steps for mounting. The present invention is a structure for mounting a mudguard on a rear bumper of a vehicle, in which a mounting member is used to mount the mudguard on the rear bumper, said mounting member comprising a clamping portion on one side thereof for clamping an end portion of the rear bumper, and a mounting portion on which the mudguard is mounted on an other side. The mounting member can be mounted on the rear bumper by allowing the clamping portion to clamp the aforementioned end portion, thereby reducing the number of parts and steps for mounting, and costs. Since the mounting member excels in versatility, costs can be further reduced. An engagement portion for engaging the rear bumper is provided on an inner surface of the clamping portion.