Sliding Door Locking Head Assembly for Tilted Sash Installation
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Solution Overview
Problem
The installation and disassembly of heavy sliding doors are complex and cumbersome, posing safety risks due to space constraints and the need to install locking mechanisms before assembly, making maintenance difficult and time-consuming.
Innovation Solution
A sliding door arrangement with a fixed frame and a sliding sash featuring a multi-part locking device and guide mechanism that allows the sash to be securely placed onto the track in a tilted position, simplifying installation and disassembly by eliminating the need to first insert the sash into the guide rail at the top.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the locking mechanism is installed before the sash is inserted, then the locking mechanism can be properly positioned, but the installation process becomes more complex and time-consuming
Solution Approach 1:
The locking mechanism is pre-assembled on the fixed frame before the sash is inserted. The locking bar is positioned in the locked position within the guide rail, and the locking head is attached to the upper frame cross member in advance. This preliminary preparation ensures that when the sash is later inserted and tilted into position, the locking mechanism is already in place and can immediately engage with the sash, eliminating the need for complex post-installation adjustments.
2Reliability
If the sash is handled in the conventional manner, then the guide rail can be properly engaged, but the risk of injury to installers increases due to heavy weight and complex handling
Solution Approach 1:
Instead of inserting the sash vertically into the guide rail from the top and then tilting it down, the invention inverts the sequence: the sash is first placed on the lower track in a tilted position, and then the upper end is pivoted towards the fixed frame to engage with the guide rail. This reversed approach allows installers to work from a safer, more accessible position and reduces the need to handle the heavy sash at height.
3Stability of the object's composition
If the sash is fully assembled before installation, then the structure is stable, but disassembly for maintenance becomes difficult and time-consuming
Solution Approach 1:
The locking mechanism is divided into separate components: the locking bar in the guide rail, the locking head on the frame, and the engagement features on the sash. This segmentation allows the sash to be installed and locked into position without permanently fixing all components. For maintenance, the sash can be disengaged from the locking mechanism and removed, and the locking components can be independently accessed and serviced without disassembling the entire sash structure.
Data Source
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AI summary
The invention relates to a sliding door arrangement (10), comprising a fixed frame (12), a movable sliding leaf (20), a locking device (32) having a locking bar (33) with a locking head, and a guide device (30) for guiding the sliding leaf (20), wherein the locking head has a lower head piece (35) and an upper head piece (36), wherein the head pieces (35, 36) have corresponding profile features (P) by means of which the head pieces (35, 36) can be connected to one another in a form-fitting manner, so that the upper head piece (36) continues the lower head piece (35), wherein the lower head piece (35) is connected to the locking bar (33), wherein the upper head piece (36) is arranged in an interior space (37) of the guide device (30) and is guided displaceably in a locking channel (39), wherein the guide device (30) is arranged on a mounting side (40) is open to the interior (30),The guide device (30) can be placed with the mounting side (40) on the front side of the sliding sash (20) and fastened to the sliding sash (20), the profile features (P) of the head pieces (35, 36) facing each other and aligned with each other, so that the head pieces (35, 36) are connected to each other when the guide device (30) is placed on the sliding sash (20). A method for assembling a sliding door assembly (10) is specified.