Elevator Car Wall Mounting Rail for Tool-Free Panel Installation
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Solution Overview
Problem
Existing methods for mounting and exchanging wall elements in elevator cars are complex, requiring external access and measurement tools, and can damage the elements during installation.
Innovation Solution
A connecting device with a rail element and two legs, where one leg attaches to the bare ceiling and the other provides a mounting surface for wall elements, allowing for internal alignment and attachment without external tools, using suspension elements and holes for secure fastening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wall elements are mounted from the exterior using screws, then secure fastening is achieved, but complex external access and measurement tools are required
Solution Approach 1:
The patent inverts the traditional mounting approach by enabling wall elements to be fastened from the interior of the elevator car rather than from the exterior. The connecting device with rail element and legs is installed inside the car, allowing wall elements to be attached using interior access only, eliminating the need for external access and complex measurement tools while maintaining secure fastening
Solution Approach 2:
The connecting device serves as an intermediary component between the elevator car structure and the wall elements. It provides a simplified interface with mounting surfaces that directly receive wall elements, mediating the connection without requiring direct exterior access or complex fastening procedures
2Ease of operation
If wall elements are glued to the bare walls, then simple mounting is achieved, but wall design independence is limited
Solution Approach 1:
The connecting device is designed as a universal mounting system that can be adapted to various wall designs and configurations. The rail element with legs provides standardized mounting surfaces that work with different wall types, enabling both simple mounting operations and adaptability to diverse wall designs through the same basic mechanism
3Reliability
If counterparts are located on the side facing the bare wall, then secure connection is achieved, but mounting visibility is reduced
Solution Approach 1:
The patent inverts the traditional fastening approach by making the mounting surfaces visible and accessible from the interior side rather than hiding them against the wall. The legs of the rail element present mounting surfaces that face into the car interior, allowing installers to visually locate and access fastening points while maintaining secure connections
Data Source
AI summary
An elevator car has a connecting device and at least one wall element, wherein the connecting device connects the at least one wall element with a bare ceiling of the elevator car. The connecting device includes a rail element with two legs, of which a first leg bears in the mounted state against the bare ceiling and a second leg has a mounting surface for the at least one wall element. The mounting surface has a first hole for suspending the at least one wall element. The at least one wall element has a suspension element at an edge which faces upwardly in the mounted state for engaging into the first hole of the connecting device.