Retractable Guardrail Post Hanging Mechanism for Clean Streetscapes
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Solution Overview
Problem
Conventional guardrail posts in central business districts lack multifunctionality, as existing methods for hanging flags or posters cause damage and leave unsightly hardware when not in use, affecting the overall appearance.
Innovation Solution
A guardrail post design incorporating a post body, multiple sleeves, a locking mechanism, a slider, a fastener, a limiting seal cover, and hanging rods, allowing for secure attachment and detachment of hanging rods to accommodate flags or posters without damaging the post, and enabling the rods to be hidden when not in use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If binding manner is used to attach hanging rod to guardrail post, then hanging function is achieved, but damage is caused to the guardrail post
Solution Approach 1:
The hanging rod is divided into multiple sections that can be extended or retracted independently. The rod includes a first rod body and a second rod body that can slide relative to each other, allowing the hanging function to be activated only when needed while maintaining the integrity of the guardrail post.
Solution Approach 2:
The second rod body is inserted within the first rod body, creating a telescopic structure. When not in use, the hanging rod can be fully retracted into a compact form that fits within the guardrail post, preventing damage and maintaining aesthetic appearance.
2Strength
If welding way is used to attach hanging rod to guardrail post, then secure attachment is achieved, but hanging rod must remain on post when not in use, affecting overall impression
Solution Approach 1:
The hanging rod employs a dynamic telescopic mechanism with sliding components and spring-loaded locking systems. The rod can extend to full length when needed for secure attachment, and retract to a compact form when not in use, eliminating the aesthetic problem of permanent visible hardware.
Solution Approach 2:
A locking mechanism with clamping pieces and inclined surfaces acts as an intermediary between the rod sections and the guardrail post. This mediator provides secure attachment through mechanical interlocking while allowing the rod to be fully retracted when not in use.
Data Source
AI summary
A guardrail post includes a post body, a first sleeve secured to the post body, a locking mechanism, a second sleeve, a slider, a first fastener, a limiting seal cover, and a first hanging rod. The locking mechanism includes a locking tube, a locking sleeve, and four clamping pieces. The second sleeve extends into the locking sleeve. The slider slidably is received in the second sleeve. The limiting seal cover is positioned on the second sleeve. The first hanging rod extends into the limiting seal cover. The locking tube extends into the first sleeve and defines four first through holes, the locking sleeve is sleeved on the locking tube. The four clamping pieces are respectively positioned in the four first through holes, the locking sleeve resists the four clamping pieces inwardly. The first fastener rotatably connects the locking tube with the first hanging rod.