Motor Vehicle Lock with Single-Drive Opening and Closing
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Solution Overview
Problem
Existing motor vehicle locking systems face challenges in reducing weight and installation space while maintaining comfort functions such as automatic closing and opening mechanisms, often requiring multiple components and additional drives.
Innovation Solution
A motor vehicle lock design incorporating a rotary latch, pawl, and drive device that integrates a closing and opening mechanism, utilizing a single electric drive to transition between latching and open positions, minimizing components and installation space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If separate closing device and opening device are used, then comfort functions are achieved, but device complexity and installation space increase
Solution Approach 1:
The patent combines the closing device and opening device into a single integrated locking mechanism. The closing device includes a rotary latch and pawl that can be actuated by either a closing element or opening element, eliminating the need for separate devices and reducing overall system complexity while maintaining both comfort functions.
Solution Approach 2:
The locking mechanism is designed as a universal system where the same rotary latch and pawl structure serves dual purposes: closing the door when actuated by the closing element, and opening the door when actuated by the opening element. This multi-functionality reduces the number of components needed.
2Ease of operation
If separate closing device and opening device are used, then comfort functions are achieved, but installation space increases
Solution Approach 1:
The patent merges the closing and opening devices into a single compact locking mechanism housed within one housing structure. This integration significantly reduces the installation space required compared to having separate devices, while still providing both closing and opening functions through the shared rotary latch and pawl mechanism.
3Ease of operation
If multiple components are used for closing and opening functions, then functionality is achieved, but weight increases
Solution Approach 1:
The patent combines multiple components into a single integrated locking mechanism, reducing the total weight. The shared rotary latch, pawl, and housing structure eliminate the need for separate closing and opening devices, thereby reducing the overall component weight while maintaining both comfort functions.
Data Source
AI summary
A method for closing and opening a motor vehicle lock door and to a motor vehicle lock includes a locking mechanism with a rotary latch and at least one pawl, a rotational movement of the rotary latch being lockable in at least one latching position by means of the pawl, a closing device, wherein the locking mechanism can be transferred from a pre-latching position into a main latching position by means of the closing device, and an opening device, wherein a door element can be transferred from a closing position into an open position by means of the opening device, and wherein a coupling element can be controlled by a drive device such that an opening and closing of the door element can be made possible by means of the closing device.