Door Lock Assembly with Elastic Clamping for Keyless Operation
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Solution Overview
Problem
Existing door locks often have complex structures and high costs, and many require manual key operation for unlocking, lacking convenience and efficiency.
Innovation Solution
A door lock assembly with a clamping portion and lock cylinder design that allows for automatic locking and unlocking through a guiding head and elastic arms, utilizing a simple structure with minimal parts and low costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional door lock with lock cylinder and key mechanism is used, then the locking function is reliable, but the structure becomes complex and costs increase
Solution Approach 1:
The door lock is divided into two independent panels: a first panel with a clamping portion and a second panel with a lock cylinder. Each panel contains essential locking components, allowing the lock to function while reducing overall structural complexity through functional segmentation.
Solution Approach 2:
The guiding head is inserted through the shaft body and into the clamping portion, with the clamp nested within the clamping portion. This nested arrangement allows multiple components to occupy overlapping spatial volumes, reducing the overall footprint and simplifying the external structure while maintaining reliable locking functionality.
2Reliability
If a traditional door lock with key rotation mechanism is used, then the locking function is secure, but the operation becomes inconvenient and time-consuming
Solution Approach 1:
The elastic arm automatically clamps the guiding head when it is inserted through the shaft body, without requiring manual key operation. The system performs the locking action itself through the elastic deformation and recovery of the elastic arm, eliminating the need for key rotation and manual intervention.
Solution Approach 2:
The elastic arm is pre-configured in a stressed state that enables automatic clamping. When the guiding head is inserted, the elastic arm automatically engages and locks the panels together without requiring additional operational steps, achieving preliminary preparation of the locking mechanism.
3Reliability
If a door lock with complete locking mechanism is used, then the locking function is reliable, but the manufacturing cost increases
Solution Approach 1:
The invention extracts and eliminates unnecessary components from traditional door locks, such as the key cylinder, keyway, and complex internal locking mechanisms. Only the essential elements (clamping portion, lock cylinder, guiding head, and elastic arm) are retained, significantly reducing part count and manufacturing complexity while maintaining reliable locking function.
Solution Approach 2:
The elastic arm serves as a simple, inexpensive component that provides the locking action through elastic deformation. This replaces expensive metal-to-metal locking mechanisms with a simpler elastic element that achieves the same functional result at lower cost.
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 assembly provides easy operation, automatic locking, and cost-effective solution with minimal parts, enhancing convenience and practicality.
Implementation Method 1
the clamp 322 includes a first elastic arm 3221 and a second elastic arm 3222... When the guiding head (311) is inserted into the clamp (322), the tail ends of the first elastic arm (3221) and the second elastic arm (3222) are configured to clamp the first concave portion (312)
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
A door lock assembly (3) includes a clamping portion (32) fastened to a first panel (1) and a lock cylinder (31) fastened to a second panel (2), where the lock cylinder (31) includes a shaft body (310) and a guiding head (311) disposed at an end of the shaft body (310), a joint of the guiding head (311) and the shaft body (310) is provided with a first concave portion (312); the clamping portion (32) includes a base (321) and a clamp (322), the base (321) is provided with a first through hole (3210) for the shaft body (310) and the guiding head (311) to pass through, the clamp (322) is configured to clamp the first concave portion (312); and the guiding head (311) and the shaft body (310) pass through the first through hole (3210) on the base (321) of the clamping portion (32) to be locked with the clamp (322), so that the first panel (1) is locked with the second panel (2).