Motor Vehicle Lock Opener With Integrated Run-In Buffer
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Solution Overview
Problem
Existing motor vehicle locks face challenges in integrating an opening function with damping capabilities while minimizing installation space and ensuring low-noise interaction between the closing device and lock striker, particularly when space is limited.
Innovation Solution
A motor vehicle lock design incorporating a rotary latch, pawl, run-in buffer, and opening device, where the run-in buffer serves multiple functions: damping, reducing noise, enabling opening, and holding the movable component in position, achieved by integrating the opener with the run-in buffer to minimize installation space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate opening device and damping means are integrated into the motor vehicle lock, then opening function and noise reduction are achieved, but installation space increases and structural complexity increases
Solution Approach 1:
The opening device and damping means are merged into a single integrated component structure. The opening device includes a drive mechanism with a drive pawl that engages with teeth on the opener, while the damping means is integrated within the same structural assembly, eliminating the need for separate components and reducing installation space.
Solution Approach 2:
The integrated component serves multiple functions simultaneously: the opener acts as both the opening actuator and the damping element. The run-in buffer is incorporated into the opener structure, allowing it to provide both mechanical opening force and noise reduction during door closing operations.
2Adaptability or versatility
If separate opening device and damping means are integrated into the motor vehicle lock, then opening function and noise reduction are achieved, but device complexity increases
Solution Approach 1:
The opening device and damping means are merged into a single integrated component structure. The opening device includes a drive mechanism with a drive pawl that engages with teeth on the opener, while the damping means is integrated within the same structural assembly, eliminating the need for separate components and reducing installation space.
3Volume of stationary object
If run-in buffer is made movable by the opener, then opening function is enabled with minimal space, but the run-in buffer must perform multiple functions increasing design complexity
Solution Approach 1:
The run-in buffer is designed to perform multiple functions: it serves as the damping element for noise reduction during door closing, acts as the opener that moves when actuated by the drive pawl to enable door opening, and provides structural support within the lock assembly. This multi-functionality reduces the need for separate components.
Solution Approach 2:
The run-in buffer is designed as a movable component rather than a fixed element. When the drive pawl engages with the teeth on the opener, the run-in buffer moves to facilitate door opening. This dynamic design allows the same component to provide both damping when stationary and opening force when moved.
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 design allows for an opening function with damping and noise reduction, while maintaining the movable component in an open position, all within minimal space, using existing components and reducing mechanical redundancy.
Implementation Method 1
a run-in buffer (18), arranged at least partially in a housing (16) of the motor vehicle lock (1), wherein the run-in buffer (18) can be placed in engagement with the lock striker (3)
Data Source
AI summary
The invention relates to a motor vehicle lock, comprising a locking mechanism which has a rotary latch and at least one pawl, wherein the rotary latch can be latched in at least one latching position by means of the pawl and the locking mechanism can be placed in engagement with a lock striker (28), a run-in buffer (21) arranged in a housing (31) of the motor vehicle lock, wherein the run-in buffer (21) can be placed in engagement with the lock striker (28), and an opening device which is arranged at least partially in the motor vehicle lock, wherein the opening device has an opener (20), and the opener (20) can be placed in engagement with the lock striker (28), wherein the opener (20) interacts with the run-in buffer (21).