Vehicle Door Handle Integrated Pull Handle Design

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Solution Overview

Problem

The existing door inside handle and pull handle configurations in vehicles are inconvenient and limit design flexibility due to separate placement, causing operational issues and reduced storage space, which affects the vehicle's aesthetic appeal.

Innovation Solution

A door inside handle apparatus integrated with a pull handle, featuring a handle bracket, link lever, return spring, operation protrusion, and damper, allowing the door inside handle to be operated externally without reducing storage space, thus enabling more flexible trim design and improved aesthetics.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the door inside handle is disposed separately from the pull handle, then the operation of the door latch is reliable, but the door trim design freedom is reduced and the vehicle appearance is compromised

Engineering Contradiction:

Improvedoor latch operation reliabilityVSAvoiddoor trim design freedom

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The door inside handle is integrated into the pull handle structure. The operation part of the door inside handle is positioned at the rear side of the pull handle, allowing both functions to be combined in a single structural unit. This merging eliminates the need for separate mounting spaces while maintaining functional independence, thus preserving design freedom without compromising operational reliability.

Inventive Principle:

Principle #5Merging (Combining)

2Adaptability or versatility

If the door inside handle is disposed in the storage space of the pull handle, then the design freedom is improved, but the storage space is reduced and the operation convenience is worsened

Engineering Contradiction:

Improvedoor trim design freedomVSAvoiddoor inside handle operation convenience

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

The door inside handle operation part is positioned in the longitudinal direction at the rear side of the pull handle, utilizing the length dimension of the pull handle structure. This dimensional arrangement allows the operation part to be accessible from the rear without encroaching on the lateral storage space, thereby maintaining both design freedom and operational convenience.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

3Adaptability or versatility

If the door inside handle is disposed in the storage space of the pull handle, then the design freedom is improved, but the storage capacity is reduced

Engineering Contradiction:

Improvedoor trim design freedomVSAvoidpull handle storage space

Core Design Contradiction:

Adaptability or versatilityVSVolume of stationary object

Solution Approach 1:

The pull handle structure is segmented into distinct functional zones: the main body provides storage space, while the rear side accommodates the door inside handle operation part. This segmentation allows the storage compartment to maintain its full volume for storing items like sunglasses or hats, while the operation mechanism is housed in a separate rear section, preserving both design freedom and storage capacity.

Inventive Principle:

Principle #1Segmentation

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 integration allows for convenient operation of the door inside handle without occupying additional space, enhancing the vehicle's design freedom and appearance while maintaining storage capacity.

Implementation Method 1

a return spring having one end coupled to a handle shaft, which is a turning center of the door inside handle, and the other end connected to the handle bracket, and providing a return force when the door inside handle is turned

Methodology Applied

Scientific EffectElastic potential energy: Elasticity

Implementation Method 2

A damper fitted in the through-hole for absorbing shock and reducing noise when it comes in contact with the operation protrusion due to the operation of the door inside handle

Methodology Applied

Scientific EffectShock absorption: Damping

Data Source

PatentUS9587418B2Door inside handle apparatus with pull handle

Publication Date: 2017.03.07 HYUNDAI MOTOR CO LTD

AI summary

A door inside handle apparatus with a pull handle may include a handle bracket, a door inside handle and a link lever. The handle bracket may be fixed to the pull handle without interfering with a storage space of the pull handle. The door inside handle may be coupled to the handle bracket to be turned and have an operation part exposed through a rear side of the pull handle and to be operated by a user. The link lever may be coupled to the handle bracket to be turned, connected with one end of a latch cable, and operated to pull the latch cable by rotating with the door inside handle.