Adjustable Bicycle Rack With Rotating Support Post
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Solution Overview
Problem
Conventional bicycle vertical racks are inflexible, leading to unstable placement and potential offset gravity centers when used with non-horizontal top tubes, limiting their usability and stability.
Innovation Solution
A bicycle vertical rack design featuring a base, support post, and hanging units with a coupling element, fixing tube, rotary tube, resilient element, and hooks, allowing for adjustable fixing angles to stabilize various bicycle placements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional fixed design bicycle vertical racks are used, then the structure is simple and easy to manufacture, but the adaptability to different bicycle designs is poor and stability is compromised when top tubes are non-horizontal
Solution Approach 1:
The patent implements an adjustable angle mechanism that allows the rack to dynamically change its inclination angle to match different bicycle top tube orientations. The support post can be rotated to various angles and fixed in position, transforming a static fixed-angle structure into a dynamic multi-angle structure, thereby resolving the contradiction between simplicity and adaptability.
Solution Approach 2:
The patent changes the geometric parameter of the rack by introducing an adjustable inclination angle. The support post can be positioned at different angles relative to the base, allowing the rack to adapt to various bicycle designs. This parameter adjustment capability enables the same basic structure to serve multiple functions without increasing overall complexity.
2Stability of the object's composition
If fixed angle racks are used, then manufacturing is simple, but the gravity center alignment is poor leading to unstable bicycle placement
Solution Approach 1:
The adjustable angle mechanism allows the rack to dynamically adapt its orientation to achieve proper gravity center alignment for different bicycle types. By enabling the support post to be positioned at optimal angles, the system achieves stable bicycle placement without requiring complex manufacturing processes.
3Adaptability or versatility
If adjustable angle mechanism is added to the rack, then adaptability to different bicycles is improved, but the device complexity increases
Solution Approach 1:
The patent divides the support post into separable components: a first support post portion and a second support post portion that can be relatively rotated. This segmentation allows the angle adjustment function to be achieved through simple relative movement of discrete parts, minimizing the increase in overall device complexity while maintaining adaptability.
Solution Approach 2:
The defining element with movable groove and cutouts is received within the support post structure, creating a nested arrangement. The angle adjustment mechanism is integrated within the existing rack framework, allowing the adjustable angle functionality to be incorporated without significantly increasing external dimensions or overall structural 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
Enables stable and secure fixing of bicycles with adjustable angles, ensuring proper gravity center alignment and enhanced usability for different bicycle designs.
Implementation Method 1
a resilient element abuts against the fixing tube and the rotary tube
Data Source
AI summary
A bicycle vertical rack contains a base, a support post, and at least one hanging unit. A respective one hanging unit includes a coupling element, a fixing tube, a rotary tube, a resilient element, a defining element, a horizontal plate, and two hooks. The fixing tube includes a through hole. The rotary tube has a movable groove, a recess and multiple cutouts which. An end of a respective one cutout communicates with the recess, a rear end of the rotary tube is received in the fixing tube, and the resilient element abuts against the fixing tube and the rotary tube. The defining element is received in the through hole and the movable groove, an inner wall of the horizontal plate is connected with a front end of the rotary tube, and the two hooks are connected to an outer wall of the horizontal plate.