Drainage Gutter Cover Clamping Devices Frictional Locking
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Solution Overview
Problem
Drainage channel covers face significant wear and noise due to dynamic loads from vehicles, and existing solutions like snap locks are complex to construct and assemble, leading to instability and noise pollution.
Innovation Solution
A drainage channel with a cover featuring clamping devices at both ends, providing a frictional connection that can be easily assembled and disassembled, with projections having sloping surfaces to enhance stability and dampening, allowing for efficient locking and reduced construction effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If screw connections are used to secure covers to drainage channels, then stability under dynamic loads is improved, but construction and assembly complexity increases significantly
Solution Approach 1:
The connection system is divided into modular components: clamping devices with projections on the cover, corresponding recesses with undercuts in the channel, and elastic wave sections. This segmentation allows each component to perform its specific function while maintaining overall simplicity and stability.
Solution Approach 2:
The connection system incorporates elastic wave sections that can deform dynamically under load. The asymmetric sloping surfaces allow the connection to adapt to dynamic forces from passing vehicles, maintaining stability while absorbing shocks through controlled deformation and rebound.
2Ease of manufacture
If simple snap locks are used to connect covers and drainage channels, then construction and assembly effort is reduced, but stability and noise prevention deteriorate
Solution Approach 1:
The sloping surfaces are designed asymmetrically with different angles - the lower sloping surface has a flatter ascent angle than the upper sloping surface. This asymmetry creates a ratchet-like effect that allows easy assembly in one direction while preventing disassembly and movement in the opposite direction, providing both ease of construction and operational stability.
Solution Approach 2:
The elastic wave sections incorporate curved geometries that allow flexible deformation under dynamic loads. This curvature enables the simple snap lock design to absorb shocks and maintain stable connection without requiring complex rigid fastening mechanisms.
3Ease of operation
If clamping devices with asymmetric sloping surfaces are used, then assembly ease and dampening effect are improved, but manufacturing precision requirements increase
Solution Approach 1:
The design specifies particular angular parameters for the sloping surfaces, with the lower surface having a flatter ascent angle than the upper surface. These parameter specifications optimize the balance between assembly ease and manufacturing feasibility, allowing standard manufacturing tolerances to achieve the desired functional performance.
4Device complexity
If frictional connections are used instead of form-fit connections, then construction effort is reduced and assembly is simplified, but connection strength may be compromised
Solution Approach 1:
The clamping devices with projections are designed to engage with recesses in advance during assembly, creating immediate frictional contact. The asymmetric sloping surfaces then apply preliminary clamping force that enhances the frictional connection, ensuring both simplicity and sufficient connection strength under dynamic loads.
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 solution effectively prevents movement and noise, ensuring increased stability under dynamic loads with minimal construction and assembly effort, while facilitating easy manufacturing and assembly, and enhancing the dampening effect.
Implementation Method 1
The cover in addition to the locking devices in the area of the ends, to ensure a frictional connection between the cover and the drainage channel
Implementation Method 2
the lower sloping surfaces should have such a flatter ascent angle as the upper sloping surfaces that it can be put onto the cover on the drainage channel with a lower force than a weight loss. This facilitates the assembly and increases the dampening effect of the clamping devices
Data Source
Figure 1~6
AI summary
Known covers (10) for a traversable drainage channel (1) have locking devices (20; 5, 5') which ensure a releasable connection between the cover (10) and the drainage channel (1) in order to raise said cover (10). According to the invention, in order to reduce movements of the cover (10) on the drainage channel (1), the end regions of the cover (10) have clamping devices for ensuring a frictional connection between the clamping devices and the drainage channel (1).