Sliding Door Guide Fitting Snap-In Assembly Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing sliding door fittings face challenges during assembly, particularly with the deformation of guide fittings when the sliding sash is placed on them, and the need for easier attachment and detachment mechanisms.
Innovation Solution
A guide fitting with an insertion channel design, where the fastening leg is held by two fastening projections engaging in latching openings, allowing for a snap-in connection using an elastic fastening element with a spring tongue, enabling easier assembly and disassembly by allowing the guide slider to be fastened to the sliding leaf when it is suspended, and using a fastening bar with parallel slots for secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the guide slider is attached to the sliding sash before assembly, then the guide fitting may be deformed when the sliding sash is placed on it, but if attached after assembly, then the attachment process becomes more complex
Solution Approach 1:
The attachment process is divided into two separate stages: first, the fastening element is attached to the sliding sash; second, the guide slider is attached to the fastening element. This segmentation allows each component to be properly positioned and secured without deformation, while maintaining a relatively simple overall assembly process.
2Strength
If a rigid fastening mechanism is used, then the connection is strong, but the assembly and disassembly process becomes difficult
Solution Approach 1:
The fastening element incorporates a spring tongue that can dynamically change its state between engaged and disengaged positions. During assembly, the spring tongue flexes to allow insertion of the guide slider, then springs back to lock it in place. For disassembly, the spring tongue can be manually depressed to release the guide slider, providing both strong connection and ease of operation.
3Ease of operation
If the fastening leg is held loosely in the channel, then assembly is easy, but the connection reliability is reduced
Solution Approach 1:
The spring tongue automatically performs the fastening function once the guide slider is inserted into the channel. The elastic deformation of the spring tongue creates self-latching behavior where the latching projections engage with the fastening leg without requiring additional fastening steps, ensuring both ease of assembly and reliable connection.
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
This design simplifies the assembly process by allowing the guide slider to be securely attached to the sliding leaf without deforming the guide fitting, enabling easier installation and removal, while maintaining the existing 32 mm hole size compatibility.
Implementation Method 1
The holding section is formed by a spring tongue which lies between two fastening sections. The fastening element has two fastening sections which are spaced apart from one another and have fastening openings through which the fastening screws can be screwed.
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The fitting has a u-shaped glider (1), and a u-side piece that forms a fixing side piece (3), with which the glider is fixed on the inner side of the sliding leaves (6, 6`) at the bottom. Another u-side piece forms a guiding side piece, which is engaged with a sliding head (5) in a guiding rail (9). A fixing bolt (2) is fixedly connected with the sliding leaves, with which the glider can be fixed at the sliding leaves in the hanging condition of a sliding door. The glider is detachably connected with the fixing bolt.