Sliding Door Handle With Lateral Slide And Rotation Mechanism
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Solution Overview
Problem
The existing outside handles for sliding doors are inconvenient and unnatural to operate when closing the door, as they require pulling in one direction to unlatch and then pushing in an opposite direction to close, which is inefficient and uncomfortable for users.
Innovation Solution
An outside handle for a sliding door that includes a base member with holes, a grip member with hooks, and a lever connected to the hooks, allowing for rotation and sliding movements that enable smooth opening and closing operations by using a shaft with an elastic body and a guide for lateral movement, and a cable fixing part to transfer the motion to the latch.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the outside handle is pulled in one direction to unlatch the door and then pushed in an opposite direction to close the door, then the door can be opened and closed, but the operation becomes inconvenient and unnatural
Solution Approach 1:
The handle is designed to perform both rotation and sliding movements dynamically. When opening the door, the handle rotates outward and slides in the opening direction. When closing the door, the handle slides laterally without rotation. This dynamic movement pattern allows natural operation for both opening and closing actions, resolving the contradiction between ease of operation and operation complexity
Solution Approach 2:
The handle operation is segmented into distinct movement phases: rotation phase for opening, lateral sliding phase for closing, and return phase. The guide structure segments the movement path into allowed directions, enabling the handle to perform different types of motion (rotation vs. sliding) depending on the operation mode, making each phase simple and intuitive
2Ease of operation
If the grip member is allowed to rotate and slide for natural operation, then ease of operation improves, but the mechanism complexity increases
Solution Approach 1:
The rotation and sliding functions are merged into a single integrated handle structure rather than separate mechanisms. The guide structure combines rotational guidance and lateral sliding guidance into one component, allowing the handle to perform both movements through a unified mechanism, thus improving ease of operation without proportionally increasing complexity
Solution Approach 2:
The guide acts as an intermediary between the handle and the base member, controlling and enabling the rotation and sliding movements. The guide mediates the complex motion requirements by providing predefined movement paths, allowing the handle to achieve natural rotation and sliding operations while the guide manages the mechanical 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
The solution improves the operation, convenience, and ease of assembly of the outside handle by allowing the grip member to be slid laterally for closing without rotation, enhancing user experience and reducing noise and complexity in the door operation mechanism.
Implementation Method 1
The shaft may have an elastic body attached thereto
Data Source
AI summary
An outside handle for a sliding door includes a base member, a grip member, and a lever. The base member is mounted on a door panel and has a first hole formed at one end thereof. The grip member is rotatably and slidably mounted to the base member and has a first hook formed at one end thereof, the first hook being inserted into the first hole. The lever is connected to the first hook of the grip member and is positioned in the first hole of the base member to enable rotation and sliding of the lever in response to rotation and sliding of the grip member. The outside handle improves the operation convenience and ease of assembly of outside handles for sliding doors.