Glove Box Lamp Switch With Sliding Rod for Stable Door-Linked Lighting
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Solution Overview
Problem
Existing glove box lighting devices in vehicles often have complex operation mechanisms and may not reliably turn on or off with the opening and closing of the glove box door, leading to inconsistent illumination.
Innovation Solution
A simplified glove box lighting device with a switch unit and lamp unit connected by a wire, where a sliding rod moves linearly with the glove box door to protrude and connect with a terminal, allowing power to be supplied to the lamp when the door is open and cut off when closed, utilizing an elastic body to facilitate this movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a complex operation mechanism is used in the glove box lighting device, then the lamp can be turned on/off, but the structure becomes complicated and reliability decreases
Solution Approach 1:
The switch unit is divided into separate functional components: a sliding rod that moves linearly, a connector that makes electrical contact, and an elastic body that provides restoring force. This segmentation simplifies each component's function while maintaining overall reliability of the on/off operation.
Solution Approach 2:
Instead of using a complex multi-position switch mechanism, the invention uses a simple binary state system where the sliding rod either contacts the terminal (power on) or is separated from it (power off). The elastic body automatically restores the rod to the off position, inverting the traditional approach where a mechanism must be actively engaged to turn on the light.
2Ease of manufacture
If more parts are used in the lighting device, then the functionality can be enhanced, but manufacturing costs increase and productivity decreases
Solution Approach 1:
The switch unit combines multiple functions into a single integrated assembly: the sliding rod provides both mechanical movement and electrical contact function, the elastic body provides both restoring force and positioning function, and the cover integrates both protection and structural support. This merging reduces the total number of separate parts while maintaining reliable on/off functionality.
Solution Approach 2:
The sliding rod serves multiple functions simultaneously: it acts as a mechanical actuator, an electrical connector, and a positioning element. The elastic body provides both the restoring force for the switch mechanism and the positioning force that ensures reliable contact separation. This multi-functionality reduces the number of dedicated parts needed.
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 provides stable on/off functionality of the lamp with the glove box door, reducing manufacturing costs and improving productivity by minimizing the number of parts required.
Implementation Method 1
an elastic body configured to apply an elastic force to allow the sliding rod to protrude
Data Source
AI summary
A glove box lighting device according to one embodiment of the present disclosure includes a switch unit (100) including a sliding rod (110) configured to linearly move in accordance with opening/closing of a glove box door (400); a lamp unit (200) including a lamp (220) configured to be turned on when power is supplied thereto and being configured to be fixed at one side of the glove box housing; and a wire (300) connecting the switch unit (100) and the lamp unit (200) to conduct electricity to each other. The glove box lighting device is configured such that the sliding rod (110) linearly moves and protrudes when the glove box door (400) is open, so as to supply power to the lamp (220).