Slide Assembly Positioning Mechanism for Push-Open Locking
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Solution Overview
Problem
Conventional slide assembly closing devices lack a mechanism to control the slide assembly's position effectively when it needs to be closed, especially when a self-closing function is required, and do not provide a locked relationship between the holding member and latch member.
Innovation Solution
An auxiliary positioning device comprising a first slide member, a second slide member, a positioning member, a guiding base, and a link member, where the positioning member is pivotally connected to the first slide member and includes a pin member that moves through specific paths in the guiding base, allowing the slide assembly to be easily operated when closed or opened by applying and releasing forces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the slide assembly uses a conventional closing device with holding member and latch member, then the drawer can be closed, but the holding member and latch member cannot maintain a locked relationship when the drawer is closed
Solution Approach 1:
The patent applies the dynamics principle by making the positioning member pivotable relative to the first slide member, allowing it to dynamically change position between a first position (when the second slide member is retracted) and a second position (when the second slide member is extended). This dynamic positioning enables the system to provide different functions at different stages of operation, resolving the contradiction between maintaining a locked relationship and ease of operation when closed.
Solution Approach 2:
The positioning member acts as an intermediary element between the first slide member and the second slide member. It mediates the interaction by providing a positioning function that enables the holding member and latch member to establish a locked relationship, while also facilitating smooth operation when the drawer is closed. The positioning member transfers and controls the force interaction between the two slide members.
2Reliability
If the slide assembly requires the drawer to be pulled out for a longer distance to operate, then the holding member and latch member can engage, but the ease of operation is reduced
Solution Approach 1:
The positioning member performs a preliminary action by being positioned in advance at specific locations (first position or second position) depending on the state of the second slide member. This preliminary positioning ensures that when the holding member and latch member need to engage, they are already in the correct configuration, eliminating the need for the drawer to be pulled out for a longer distance.
Solution Approach 2:
The system achieves self-service functionality where the positioning member automatically adjusts its position based on the state of the second slide member through the link member mechanism. When the second slide member is retracted, the positioning member is automatically positioned in the first position; when extended, it automatically moves to the second position. This self-adjusting mechanism ensures reliable engagement without requiring excessive manual operation.
3Measurement precision
If the slide assembly uses a simple structure without auxiliary positioning device, then the device complexity is low, but the control precision when closing is insufficient
Solution Approach 1:
The patent applies segmentation by dividing the positioning function into distinct components: the positioning member (with pin member), the link member, and the guiding base with multiple passages and slots. Each component has a specific function - the positioning member provides positioning, the link member transmits motion, and the guiding base constrains the movement paths. This segmented design achieves precise position control while keeping each component relatively simple in structure.
Solution Approach 2:
The positioning member introduces an additional dimensional aspect to the slide assembly by adding a pivoting degree of freedom relative to the first slide member. This allows the pin member to move between different positions (first and second positions) and follow different paths (first path, second path, third path) in the guiding base, enabling precise position control through multi-dimensional movement rather than simple linear motion.
Data Source
AI summary
A slide assembly with an auxiliary positioning device includes a positioning member and a guiding base. The positioning member is pivotally connected to a first slide member and includes a pin member. The guiding base is connected to a second slide member and includes a separation body, an engaging body, multiple passages and slots. When the second slide member is retracted, the pin member is located in a first passage. When the second slide member is pushed inward, the pin member moves from the first passage into a first slot. When the force is released, the pin member moves through a second passage and the second slide member pops out. When the second slide member is retracted again, the pin member is engaged with the engaging body and then disengaged from the engaging body by a pushing force, the pin member moves through a third slot and a third passage.