Slide Rail Buffer-Rebound Mechanism for Smooth Drawer Closing
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Solution Overview
Problem
Existing self-closing buffer and automatic opening functions for slide rails are not effectively integrated, leading to inconvenient use and difficulty in troubleshooting wrong operations that result in unsmooth operations or damage.
Innovation Solution
A self-closing buffer and automatic rebound mechanism for slide rails, comprising an outer rail, middle rail, and inner rail with specific trigger elements, buffer blocks, springs, and a toggle plate, allowing for automatic locking, noise reduction, and easy troubleshooting through a four-stage movement design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If self-closing buffer and automatic opening functions are integrated into slide rails, then the convenience of use is improved, but the device complexity increases and troubleshooting difficulty increases
Solution Approach 1:
The patent combines the self-closing buffer function and automatic opening function into a single integrated mechanism within the slide rail. The buffer body contains both the buffer element for self-closing and the spring element with trigger elements for automatic opening, merging multiple functions into one compact structure that reduces overall system complexity despite adding functionality.
Solution Approach 2:
The buffer body serves multiple functions simultaneously: it provides buffering during closing, enables automatic closing through the spring element, facilitates automatic opening via trigger elements, and allows manual intervention. This multi-functional design improves convenience without requiring separate independent mechanisms for each function.
2Ease of operation
If self-closing buffer and automatic opening functions are integrated into slide rails, then the convenience of use is improved, but the difficulty of troubleshooting wrong operations increases
Solution Approach 1:
The mechanism is divided into distinct functional modules: the buffer element for damping, the spring element for automatic closing, and the trigger elements for automatic opening. This segmentation allows users to identify and correct specific issues (such as misaligned trigger elements or buffer problems) without needing to understand or repair the entire mechanism, making troubleshooting more manageable.
Solution Approach 2:
The mechanism includes self-diagnostic features through its structured design. When wrong operations occur, the segmented structure allows users to easily identify which component is malfunctioning (e.g., whether the issue is with the buffer element, spring element, or trigger elements) and perform basic corrections themselves without requiring professional repair services.
3Reliability
If buffer element is added to reduce impact force, then the safety is improved, but the device complexity increases
Solution Approach 1:
The buffer element is integrated within the buffer body, which also houses the spring element and trigger mechanisms. This merging approach allows the buffering function to be added without requiring a separate independent buffer system, thereby improving safety while minimizing the increase in overall device complexity.
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
Facilitates convenient and foolproof operation by automatically locking and rebounding the drawer, reducing noise and enabling users to easily correct wrong operations, thus enhancing the usability and reliability of the slide rail mechanism.
Implementation Method 1
an elastic element and a buffer element, wherein the elastic element provides a pull-back force required by the slide rail assembly
Implementation Method 2
the buffer element has a damping function to reduce the impact force when the slide rail assembly is withdrawn
Implementation Method 3
a link element corresponding to the positioning element, and a push button corresponding to the link element... when a pushing force is applied to the rail again, the latch and the latching member are disconnected
Data Source
AI summary
A self-closing buffer and automatic rebound mechanism for a slide rail includes a buffer body, a buffer slide block, a buffer hook block, a buffer element, at least one pull-back spring, at least one push-out spring, a pressing toggle plate and a pressing block. The slide rail consists of an outer rail, a middle rail and an inner rail, and the inner and middle rails can be sequentially pulled and extended outward or pushed inwardly, overlapped and shortened. The slide rail is installed between a drawer and a cabinet for use. When the drawer is pushed inwardly to a certain degree, the drawer is pulled back automatically to a locked position, and the pushing force is damped to lower noises. After the drawer is pushed again, the drawer is rebounded automatically to a certain distance to facilitate operations that follow, so as to improve the convenience of use significantly.