Lifting storage device
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Solution Overview
Problem
Existing lifting article cabinets suffer from unstable mechanisms, high lifting resistance, and significant wear, limiting their market promotion and usability due to immature technology.
Innovation Solution
A lifting storage device with X-shaped hinges, support frame slideway limiting plates, oil-free bushings, grooved rolling bearings, and a locking mechanism, which allows for smoother and more stable lifting, reduces friction, and enhances safety through an oil pressure buffer and limiting guide bracket.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional lifting mechanisms are used in storage cabinets, then the structure is simple, but the lifting is unstable and shaking occurs
Solution Approach 1:
The lifting mechanism is divided into multiple independent X-shaped hinge units, each capable of lifting independently. The box body is segmented with multiple rotating shafts (front and rear) that connect to separate hinge points, allowing distributed load bearing and improved stability during lifting operation.
Solution Approach 2:
The X-shaped hinge employs asymmetric linkages with different arm lengths and connection points. The box body front rotating shaft connects to lower-layer front hinge points while the rear rotating shaft connects to upper-layer rear hinge points, creating an asymmetric lifting path that enhances stability and prevents shaking.
2Force
If traditional lifting mechanisms are used, then the structure is simple, but lifting resistance is high
Solution Approach 1:
Oil-free bushings with curved surfaces are installed at the hinge points where rotating shafts connect to the X-shaped hinge. These bushings provide smooth rotational movement and reduce friction significantly, lowering lifting resistance while maintaining a relatively simple mechanical structure.
Solution Approach 2:
The oil-free bushing acts as an intermediary element between the rotating shaft and the hinge point. It mediates the interaction by providing a low-friction interface that reduces direct metal-to-metal contact, thereby reducing lifting resistance without requiring complex lubrication systems.
3Reliability
If traditional hinges are used, then the structure is simple, but wear rate between parts is high
Solution Approach 1:
The oil-free bushing is designed as a replaceable wear component with a predetermined service life. When worn, it can be easily replaced without replacing the entire hinge assembly. This approach maintains simple overall structure while providing reliable wear resistance through economical, replaceable parts.
Solution Approach 2:
The oil-free bushing serves as a protective intermediary between the rotating shaft and hinge point, absorbing wear through its self-lubricating material. This mediator prevents direct wear between the main structural components, extending the service life of the hinge mechanism while keeping the structure simple.
4Stability of the object's composition
If only rear hanging shaft is used, then the structure is simple, but the front edge of upper-layer box body presses on lower-layer box body
Solution Approach 1:
The support structure is segmented into multiple rotating shafts: a front rotating shaft and a rear rotating shaft. The front rotating shaft connects to front hinge points while the rear rotating shaft connects to rear hinge points. This segmentation provides distributed support along the box body, preventing the front edge from pressing on the lower layer while maintaining structural simplicity.
Solution Approach 2:
The lifting mechanism transitions from a single-point rear suspension to a distributed support system involving both front and rear dimensions. The front rotating shaft and rear rotating shaft create a two-dimensional support plane that prevents downward pressure on the lower layer, improving box body separation stability.
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 provides a stable and smooth lifting mechanism with reduced friction and wear, enabling wider display space and easier operation, while ensuring safety and stability, thus improving upon the limitations of prior art.
Implementation Method 1
an oil-free bushing is arranged in a rotating shaft hole of the hinge point of the X-shaped hinge
Implementation Method 2
a grooved rolling bearing is arranged on the box body front rotating shaft of the bottom-layer box body, a slide rail is correspondingly arranged on the support frame slideway limiting plate, and the grooved rolling bearing is movably abutted with the slide rail
Implementation Method 3
the locking mechanism comprises a deadbolt, a deadbolt hanging plate, a limiting catch and a torsion spring, the deadbolt is movably connected with the support frame slideway limiting plate through a rotating shaft, the deadbolt hanging plate and the limiting catch are arranged corresponding to the deadbolt, and the torsion spring is arranged in the deadbolt
Implementation Method 4
a bottom portion of the bottom-layer box body is provided with an oil pressure buffer, and an oil pressure buffer impact plate is correspondingly arranged on the support frame slideway limiting plate
Data Source
AI summary
A lifting storage device comprises multiple box bodies movably stacked up and down, X-shaped hinges are symmetrically arranged on two sides of the box body, a support frame slideway limiting plate is arranged below the box body, a bottom end of the X-shaped hinge is movably connected with the support frame slideway limiting plate, a box body front rotating shaft and a box body rear rotating shaft are arranged in front of and behind each box body, the front rotating shaft and the rear rotating shaft of each box body are connected with the X-shaped hinges in a staggered manner, each box body is obliquely lifted along with the X-shaped hinges after connection, a locking mechanism is arranged on the support frame slideway limiting plate corresponding to the X-shaped hinge and the locking mechanism is arranged in a final position of a slideway on the support frame slideway limiting plate.