Slide Buffer Assembly Using Friction Wheel Damping
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Solution Overview
Problem
Existing slide structures for furniture lack effective buffering to prevent impact during automatic closing, leading to potential damage and increased manufacturing and maintenance costs due to reliance on high-cost components like pneumatic or hydraulic rods.
Innovation Solution
A slide automatic-closing buffer assembly featuring a sliding block with a buffer wheel and buffer rail, combined with elastic elements, which slows down the sliding block's movement using frictional engagement, reducing impact and eliminating the need for costly damping rods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If pneumatic or hydraulic rods are used for buffering, then impact reduction is effective, but manufacturing cost and maintenance cost increase
Solution Approach 1:
The patent replaces expensive pneumatic or hydraulic rods with a simple buffer wheel and buffer rail system that uses basic friction-based damping. The buffer wheel, made of inexpensive materials, engages with the buffer rail to create friction that slows the sliding block, providing effective impact reduction at a fraction of the cost of pneumatic or hydraulic solutions.
Solution Approach 2:
The patent substitutes complex pneumatic or hydraulic damping systems with a purely mechanical friction-based system. The buffer wheel rotating along the buffer rail creates sufficient friction to slow the sliding block during closing, eliminating the need for expensive gas or liquid-based damping mechanisms while maintaining effective impact reduction.
2Object-affected harmful factors
If pneumatic or hydraulic rods are used for buffering, then impact reduction is effective, but maintenance cost increases
Solution Approach 1:
The buffer wheel is designed as a simple, inexpensive component that can be easily replaced if needed. Its straightforward mechanical design with no seals, hoses, or pressurized systems means it requires minimal maintenance and can be quickly swapped out, dramatically reducing maintenance costs compared to pneumatic or hydraulic rods.
Solution Approach 2:
The patent extracts the essential buffering function from complex pneumatic or hydraulic systems and implements it through a simple mechanical friction mechanism. By separating the buffering function from expensive auxiliary systems, the design achieves effective impact reduction with minimal maintenance requirements.
3Speed
If the sliding block moves quickly for automatic closing, then closing speed is efficient, but impact increases
Solution Approach 1:
The buffer wheel creates a periodic friction-based deceleration effect as the sliding block moves along the buffer rail. The friction force acts continuously during the closing motion, providing gradual deceleration that maintains efficient closing speed while preventing impact at the end of the stroke.
Solution Approach 2:
The buffer wheel and buffer rail system provides beforehand cushioning by creating friction-based resistance during the closing motion. This friction acts as a cushioning force that gradually slows the sliding block before it reaches the end position, preventing impact while maintaining efficient closing speed throughout most of the travel distance.
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 buffer assembly effectively reduces impact during automatic closing, lowers manufacturing costs by simplifying the design, and reduces future maintenance expenses by using low-cost buffer wheels and rails, ensuring stable and safe operation.
Implementation Method 1
at least one elastic element, with an end disposed on the base, and the other end coupled to one of the first protruding shafts of the sliding block
Implementation Method 2
the buffer wheel is slowed down by the buffer rail to reduce a moving speed of the sliding block
Data Source
AI summary
A slide automatic-closing buffer assembly comprises a base, a sliding block, at least one elastic element and a bump. The base is disposed at an end of an outer rail, and the bump is disposed at an end of an inner rail, and the sliding block is movably installed in a containing space of the base, and the elastic element is coupled between the base and the sliding block, and the present invention is characterized in that the containing space has at least one buffer rail, and the sliding block has a buffer wheel corresponding to the buffer to rail slow down the sliding block and buffer the impact produced when the elastic element is pulled back to achieve the required automatic returning, closing and buffering effects required by a slide.