Spring-Actuated Drawer Slide Mechanism for Soft Self-Closing
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Solution Overview
Problem
Drawers often fail to remain closed due to insufficient closing force, leading to reopening, and may not open easily due to inadequate opening force, causing them to slam against the cabinet.
Innovation Solution
A self-moving slide mechanism featuring an elongated housing with a guide slot and a slider actuated by a spring, which engages a setter to maintain the slide in a closed position and assist in self-closing or self-opening by rotating and moving along the slot, utilizing a spring to generate force for automatic operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If drawers are pushed to close with more force, then they close completely, but they slam against the cabinet and re-open
Solution Approach 1:
The spring mechanism is pre-loaded to provide cushioning force as the drawer approaches the closed position. The spring gradually engages to slow down the drawer before full closure, preventing slamming while ensuring complete closure without requiring excessive user force.
Solution Approach 2:
The spring acts as an intermediary element between the drawer and the cabinet frame. It mediates the closing action by storing and releasing energy, controlling the speed and force of closure, and preventing direct impact between the drawer and cabinet.
2Object-affected harmful factors
If drawers are pushed with insufficient force, then they avoid slamming, but they do not close completely
Solution Approach 1:
The spring mechanism is pre-loaded during the opening phase, storing energy that will be released during closure. This preliminary action ensures that sufficient closing force is available even when the user applies minimal force, guaranteeing complete closure without slamming.
Solution Approach 2:
The spring mechanism provides self-service by automatically generating the necessary closing force. Once the drawer is pushed toward closure, the spring takes over the work of completing the closure, eliminating the need for the user to apply excessive force.
3Strength
If drawers are not pushed with sufficient force, then they avoid damage, but they do not open easily
Solution Approach 1:
The spring mechanism provides periodic action by storing energy during the opening phase and releasing it during closure. This periodic energy exchange reduces the force required for both opening and closing operations, making the drawer easier to operate while preventing damage.
Solution Approach 2:
The spring mechanism changes the force parameters throughout the operation cycle. During opening, the spring loads and stores energy; during closure, it releases energy to assist closing. This dynamic parameter change reduces peak forces required while maintaining operational effectiveness.
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
The mechanism ensures drawers remain closed and can self-close or self-open, addressing issues of incomplete closure and forced opening, enhancing operational ease and reducing wear on the slide components.
Implementation Method 1
a spring coupled to the slider and the housing for moving the slider
Data Source
AI summary
A self-moving mechanism, a slide incorporating the same and a method of self-moving a slide are provided. A slide incorporating a self-moving mechanism is a self-moving slide and includes a first slide member slideably coupled to a second slide member. A self-moving mechanism is coupled to the second slide member. A slot having a first longitudinal portion and a second transverse portion is formed on a housing of the mechanism. A slider having an actuator is guided within the slot and slides along the housing and couples with the first slide member for moving the first slide member relative to the second slide member.