Motorized Vertical Door Hinge With Adjustable Swivel

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Solution Overview

Problem

Existing vertically opening car door hinges are bulky and heavy, making them difficult to retrofit into standard factory model vehicles, and few are powered or motorized, which limits customization and weight optimization for automobile enthusiasts.

Innovation Solution

A lightweight, space-optimized door hinge design featuring a base member with a primary swivel and shock protrusion, a motorized assembly, and a ball bolt system that allows for adjustable maximum outward opening angles, enabling easier installation and remote operation of car doors.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If a vertically opening car door hinge is designed with a large base bracket and large door bracket, then the hinge provides sufficient strength and stability, but the hinge becomes bulky and heavy

Engineering Contradiction:

Improvehinge strengthVSAvoidhinge weight

Core Design Contradiction:

StrengthVSWeight of stationary object

Solution Approach 1:

The hinge is divided into separate functional components: a base bracket for mounting to the vehicle, a door bracket for attaching to the door, and a shock absorber mechanism. This segmentation allows each component to be optimized independently, reducing overall bulk while maintaining strength where needed.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The hinge incorporates a shock absorber with a piston and outer cylinder that provides dynamic damping control. This dynamic element replaces static bulky structures with a compact mechanism that adapts to loading conditions, reducing weight while maintaining strength during operation.

Inventive Principle:

Principle #15Dynamics

2Strength

If a vertically opening car door hinge uses a large base bracket and large door bracket, then the hinge provides adequate structural support, but the hinge requires a large amount of space for installation

Engineering Contradiction:

Improvestructural supportVSAvoidinstallation space

Core Design Contradiction:

StrengthVSArea of stationary object

Solution Approach 1:

The shock absorber piston is nested within the outer cylinder, creating a compact telescopic structure. This nesting allows the hinge to provide sufficient structural support in a minimized envelope, reducing the installation space required while maintaining strength.

Inventive Principle:

Principle #7Nested doll (Nesting)

3Adaptability or versatility

If a standard factory model vehicle door hinge is replaced with a vertically opening hinge, then the vehicle gains customization capability, but the installation becomes difficult due to weight and size

Engineering Contradiction:

Improvecustomization capabilityVSAvoidinstallation ease

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The hinge system is segmented into a vehicle-mounted base bracket and a door-mounted bracket connected by a compact shock absorber. This segmentation reduces the overall size and weight, making the hinge easier to install on standard factory model vehicles while maintaining customization capability.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The hinge design changes the operational parameters from traditional horizontal or upward-swinging motion to vertical opening motion. This parameter change, combined with the compact shock absorber mechanism, enables customization while reducing installation complexity on existing vehicles.

Inventive Principle:

Principle #35Parameter changes

4Device complexity

If few door hinges are powered or motorized, then the mechanical structure remains simple, but customization options for automobile enthusiasts are limited

Engineering Contradiction:

Improvemechanical structure simplicityVSAvoidcustomization options

Core Design Contradiction:

Device complexityVSAdaptability or versatility

Solution Approach 1:

The hinge design provides a universal mounting system with adjustable components that can accommodate different vehicle types and door configurations. The compact shock absorber and modular bracket design enable both manual and potential motorized operation, offering versatility while maintaining mechanical simplicity as the base configuration.

Inventive Principle:

Principle #6Universality (Multi-functionality)

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 provides a compact, lightweight, and adjustable door hinge that can be easily retrofitted into various vehicles, offering improved customization options and convenient remote operation, reducing the need for bulky components and enhancing user experience.

Implementation Method 1

The shock has an outer cylinder and a piston in telescopic connection to the outer cylinder

Methodology Applied

Scientific EffectShock absorption: Damping

Data Source

PatentUS7886410B2Reversible door hinge

Publication Date: 2011.02.15 YIP JOHNNIE

AI summary

A vertically opening vehicle door hinge has a base member secured to a chassis at bolt slots disposed as elongated openings on the base member. A primary swivel member is swivel mounted to the base member so that the primary swivel member swivels on the plane defined by the base member. The primary swivel member has a primary swivel axis normal to the point defined by the base member. The arm is swivel mounted to the primary swivel member at a secondary swivel. The secondary swivel has a secondary swivel axis of rotation normal to the primary swivel axis. A motor actuates the primary swivel member. The arm has an extended position corresponding to an open vehicle door and a retracted position corresponding to a closed vehicle door.