A telescopic guardrail for metro personnel evacuation
By introducing a plug-in structure of support units and support feet into the guardrail, the inconvenience of right-angle splicing of fixed-design support feet is solved, realizing flexible splicing of guardrails at multiple angles and improving ease of use.
CN224468903UActive Publication Date: 2026-07-07SHANGHAI UNDERGROUND CONSULTING & SUPERVISION TECH CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI UNDERGROUND CONSULTING & SUPERVISION TECH CO LTD
- Filing Date
- 2025-03-14
- Publication Date
- 2026-07-07
AI Technical Summary
Technical Problem
When the existing retractable guardrails used for subway passenger evacuation are spliced at right angles, the fixed support legs need to be pressed on the support legs of another set of guardrails, which makes splicing inconvenient.
Method used
A guardrail structure including a support unit and support feet was designed. The sleeve at the bottom of the support unit is plugged into the plug of the support foot and is engaged through the adjustment hole on the sleeve and the clip inside the plug. The angle of the support foot is adjusted by a spring, which facilitates multi-angle splicing.
Benefits of technology
It has improved the convenience of multi-angle splicing of retractable guardrails used for subway passenger evacuation and increased splicing efficiency.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224468903U_ABST
Abstract
The utility model discloses a retractable guardrail for subway personnel dredging relates to guardrail technical field. The retractable guardrail for subway personnel dredging, including support unit, retractable guardrail and support foot, the retractable guardrail sets up inside support unit, support foot is inserted in support unit bottom, support unit includes: support rod, two groups are set up to the support rod for fixed support retractable guardrail, sleeve, sleeve sets up in support rod bottom. The retractable guardrail for subway personnel dredging is provided with support unit and support foot, and the sleeve is inserted with the plug of support foot setting in the bottom of support unit by utilizing support unit. The adjusting hole of sleeve is set up and the clamping head of the inside setting of plug is clamped by utilizing, and the spring is sleeved with the clamping head by utilizing, realizes pressing the clamping head and adjusts the splice angle of support foot and support unit. When the retractable guardrail for subway personnel dredging is convenient and is carried out multi -angle splice, can angle adjustment be carried out to support foot.
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