A subway shield door rubber seal and buffer connecting device

By designing structures such as a fixing plate, buffer plate, mounting plate, sealing gasket, and buffer spring, the problem of difficult installation of sealing gasket on the buffer plate was solved, achieving convenient installation and stable connection, and improving the safety and lifespan of subway platform screen doors.

CN224338813UActive Publication Date: 2026-06-09ZHU FAN INTELLIGENT TRANSPORTATION EQUIP (JIANGSU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHU FAN INTELLIGENT TRANSPORTATION EQUIP (JIANGSU) CO LTD
Filing Date
2025-07-11
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

In existing subway platform screen door rubber sealing and buffer connection devices, the sealing gasket is difficult to install conveniently on one side of the buffer plate, affecting the performance.

Method used

A device was designed that includes a fixing plate, a buffer plate, a mounting plate, a sealing gasket, a buffer spring, and a limiting groove. The sealing gasket is fixed by an adhesive layer, the buffer spring provides cushioning, and the limiting groove improves stability, thus achieving convenient installation of the sealing gasket and a cushioning effect.

Benefits of technology

It enables convenient installation and stable connection of the sealing gasket, improves the stability of the buffer plate, prevents items from being pinched or hands from being injured due to excessive tightness of the sliding door, and extends the service life of the slide plate.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224338813U_ABST
    Figure CN224338813U_ABST
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Abstract

The utility model relates to the technical field of subway shield door, disclose a subway shield door rubber seal and buffer connecting device, including fixed plate, the left side fixed connection of fixed plate has sliding door, the right side of fixed plate is provided with buffer board. This one even speed feeding device for internal mixer through being provided with sealing washer, mounting block, installation slot, mounting plate, glue layer, fixed slot and fixed bolt, sealing washer is installed on mounting plate through glue layer, needs when sealing washer is installed on buffer board to put mounting block to the inside of installation slot, then the fixed slot of sealing washer and the fixed slot on buffer board are aligned again, after alignment, the fixed bolt is screwed into the inside of fixed slot and is fixed to sealing washer and mounting plate spacing, can further fix sealing washer, needs to dismantle sealing washer to screw out fixed bolt from the inside of fixed slot, solve is inconvenient and make sealing rubber pad connection install in the one side of buffer board, the problem that is easy to influence use.
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