Self-Locking Shelving Support Using Weight-Activated Elastic Elements
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Solution Overview
Problem
Existing shelving unit support systems are inflexible, complex, and potentially damaging to posts due to manual screw tightening, with predetermined shelf heights and cumbersome manual adjustment.
Innovation Solution
A self-locking support system that locks automatically via weight applied to the support, utilizing a self-locking element and moving element to secure the shelf at any desired height without manual effort, featuring elastic or magnetic elements for easy positioning and release.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If screws are used to manually tighten and fix shelves to posts, then the shelves can be securely fixed at any height, but the operation becomes complex and time-consuming, and there is a risk of damaging the post surface
Solution Approach 1:
The support system performs the locking action automatically using its own weight and the elastic element's stored energy. When the support is inserted into the post, the elastic element (spring) automatically pushes the self-locking element against the post's inclined surface, creating a locking mechanism without requiring any manual tightening or external tools. The system serves itself by converting gravitational potential energy into mechanical locking force.
Solution Approach 2:
The invention replaces the traditional screw-threaded hole mechanical fastening system with an elastic element-based self-locking mechanism. Instead of using screws that require manual rotation and tightening, the system uses an elastic element that automatically generates locking force through its elastic deformation, substituting a complex manual mechanical operation with a simple insertion motion that triggers automatic locking.
2Adaptability or versatility
If multiple fixing means are provided on posts to ensure sufficient shelf configurations, then more positioning options are available, but the posts become cluttered and the appearance is degraded
Solution Approach 1:
The invention extracts the locking function from the post surface by using a self-locking element that engages with the post's inclined surface without requiring pre-drilled holes, slots, or other fixed mounting features on the post. The locking mechanism is contained within the support itself, allowing the post to maintain its clean, uninterrupted surface while still providing infinite positioning options along its length.
Solution Approach 2:
The system transitions from static, predetermined fixing points on the post to a dynamic locking mechanism that can engage at any position along the post's inclined surface. The self-locking element can slide freely during insertion and then lock into place at the desired height, enabling continuous height adjustment rather than discrete predetermined positions, thus maintaining post aesthetics while maximizing configurability.
3Reliability
If screws are tightened excessively to maintain shelf position, then the shelves remain secure, but the post surface is damaged and cannot be reused for repositioning
Solution Approach 1:
The support system automatically regulates its own locking force through the elastic element's inherent properties. The spring constant and pre-compression of the elastic element provide a controlled, consistent locking force that is sufficient to hold the shelf securely but does not exceed the post surface's承受能力. This self-regulating mechanism eliminates the risk of excessive force application that would occur with manual screw tightening.
Solution Approach 2:
The invention replaces the high-stress concentrated point loading of screw tips on the post surface with a distributed contact mechanism. The self-locking element engages with the post's inclined surface over a broader area, and the elastic element provides a controlled, progressive locking force that avoids the sudden, excessive force spikes associated with manual screw tightening, thereby preventing surface damage.
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
Enables flexible and secure shelf positioning without damaging the post, reducing user effort and simplifying installation by allowing automatic locking and release.
Implementation Method 1
a first moving element (1240) associated with the first self-locking element (1220), wherein the first moving element (1240) is configured in such a way as to move the first self-locking element (1220) from the first position to the second position
Implementation Method 2
which is locked by the movement caused by the weight applied to the self-locking support and/or by the action of a moving element acting on the self-locking element
Data Source
Figure 1A~1C
Figure 1D~1F
Figure 2A~2C
AI summary
The invention concerns a self-locking support (1200) for a shelving unit (1000), the shelving unit (1000) comprising at least one post (1100) for mounting the self-locking support (1200), the self-locking support (1200) comprising: a frame (1210), a first self-locking element (1220), a first moving element (1240) associated with the first self-locking element (1220), wherein the frame (1210) comprises a first seat (1230) for the first self-locking element (1220), wherein the first seat (1230) is configured in such a way as to allow the first self-locking element (1220) to move from a free position to a locked position under the action of the first moving element (1240), wherein the first seat (1230) has at least one surface at an angle with respect to the longitudinal extension of the post (1100).