Adjustable Door Bolt Lock Head Extension Mechanism
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Solution Overview
Problem
Conventional door bolt locks cannot extend to different distances based on usage requirements due to a fixed alignment of the threaded orifice with the slide plate's locating orifices.
Innovation Solution
A door bolt lock structure comprising a casing, drive element, and slide plate, where the threaded orifice of the head is selectively aligned with either the first or second locating orifice of the slide plate, allowing adjustable extension through a screw element, enabling the head to move in different distances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the threaded orifice is fixed in position relative to the slide plate, then the structure is simple and easy to manufacture, but the head cannot extend in different distances based on usage requirements
Solution Approach 1:
The slide plate is divided into multiple positioning holes at different locations, allowing the head to be segmented into different extension positions. This segmentation enables the head to extend in different distances by aligning with different positioning holes, thereby achieving adaptability without requiring a completely reconfigurable structure.
Solution Approach 2:
The structure transitions from a fixed configuration to a dynamically adjustable one. The head can be positioned at different extension distances by selectively aligning the threaded orifice with different positioning holes on the slide plate, creating a dynamic system that adapts to different usage requirements while maintaining structural simplicity.
2Ease of operation
If the head position is fixed relative to the slide plate, then the assembly is simple, but the head cannot be adjusted to different extension distances
Solution Approach 1:
The positioning holes are pre-positioned on the slide plate at specific locations corresponding to different extension distances. This preliminary arrangement of positioning features allows for easy adjustment of the head position without requiring complex adjustment mechanisms during operation, as the correct position is already prepared and marked by the positioning holes.
Solution Approach 2:
Different regions of the slide plate have different positioning holes located at specific positions, each providing a unique extension distance. This local differentiation of positioning features allows the head to be easily adjusted to different positions by simply aligning with the appropriate local positioning hole, maintaining ease of operation while enabling adjustability.
3Adaptability or versatility
If multiple positioning holes are provided on the slide plate, then the head can extend in different distances, but the alignment process becomes more complex
Solution Approach 1:
Each positioning hole is located at a specific position on the slide plate, creating local quality variations that correspond to different extension distances. This localized positioning feature system allows for easy alignment during manufacturing and assembly, as each hole's position is predetermined and provides a clear alignment reference, thereby maintaining ease of manufacture while offering multiple extension options.
Data Source
AI summary
A door bolt lock structure contains: a casing, a drive element, a slide plate, and a head. The casing includes a cavity and a locking orifice. The drive element is accommodated in the cavity and includes a lock cylinder and a control lever. The slide plate slidably is received in the drive element and includes a holder, a groove, a free segment, a first locating orifice, and a second locating orifice. The head includes a trench and a threaded orifice, such that the threaded orifice is selectively aligned with the first locating orifice or the second locating orifice of the slide plate, and a second screw element is inserted through the locking orifice of the casing, the first locating orifice or the second locating orifice, and the threaded orifice of the head so as to adjustably move the head with respect to the slide plate.