Sliding Window Locking Device with Integrated Movable Block
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Solution Overview
Problem
Horizontal sliding windows lack a handle, making it difficult for users to exert force to operate them, and the glass panes are prone to stains from oily smears and fingerprints.
Innovation Solution
A locking device with a movable block and linkage member is integrated into the window's sash, allowing users to hold and push the block to slide the sash within the frame, featuring a switch to control the block's position between locking and unlocking states, thereby facilitating operation and reducing pane contamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If no handle is provided on the sash, then the window structure remains simple, but the user cannot easily exert force to operate the window
Solution Approach 1:
The block is nested within a mounting groove recessed into the sash surface, allowing the operating component to be integrated into the sash structure rather than protruding externally. This provides a handle for user operation while maintaining a compact, integrated design that minimizes structural complexity.
Solution Approach 2:
The block serves as an intermediary component between the user and the linkage member. The user applies force to the block, which then transmits this force through the linkage member to the locking structure, enabling operation without requiring direct manipulation of the linkage or locking mechanisms.
2Ease of operation
If the block protrudes from the sash surface, then the user can easily hold and push the block to operate the window, but the block may be accidentally touched when not in use
Solution Approach 1:
The block is positioned within a mounting groove that recesses into the sash surface. When the window is locked, the block's outer surface is substantially parallel with and flush to the sash surface, preventing accidental contact. The groove provides lateral constraints that keep the block aligned and prevent unintended displacement.
3Ease of operation
If the block is always accessible, then the user can operate the window at any time, but the window lacks security when locked
Solution Approach 1:
The block transitions between two dynamic states: a first position where it is recessed and the window is locked, and a second position where it protrudes and the window can be operated. The linkage member couples the block's position to the locking structure, automatically engaging or disengaging the lock based on whether the block is in the first or second position. This dynamic positioning provides both security when locked and operational accessibility when needed.
Data Source
AI summary
A locking device for a window or a door, wherein the window or the door has a sash slidable in a horizontal direction within a frame. When a user turns on a switch to control a block to move from the first position to the second position, the block protrudes out of a vertical surface of the sash, thereby driving a linkage member to disengage from the frame. At this time, the user could hold and push the block in the horizontal direction to move the sash between a third position and a fourth position. When the sash is pushed back to the third position, the block could be controlled to move back to the first position, namely back to a mounting groove, thereby moving the linkage member to a position where the linkage member is engaged with the frame. A method of operating thereof is provided as well.