Waterproof Push-Button Switch for Mobile Terminals
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Solution Overview
Problem
Conventional push-button switches in mobile terminals lack waterproof functionality, making them unsuitable for modern user requirements such as one-key mute, alarm, and flashlight functions, and existing waterproof switches from other products are not adaptable for terminal communication devices due to differences in complexity and integration.
Innovation Solution
A waterproof push-button switch design incorporating a pushing mechanism, transmission mechanism, and main waterproof member, where the slider and transmission rod interact with a position-limiting system to control a circuit, combined with an auxiliary waterproof member for enhanced sealing, ensuring the switch is both functional and waterproof.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional push-button switch is used in a mobile terminal, then the device structure remains simple, but the switch lacks waterproof functionality and cannot meet special user requirements
Solution Approach 1:
The switch is divided into distinct functional modules: a pushing mechanism with slider and pushing member, a transmission mechanism with transmission rod and base, and waterproof sealing components. This segmentation allows each module to be optimized independently while maintaining overall waterproof performance.
Solution Approach 2:
The slider is nested within a receiving slot formed by the middle frame and outer frame, while the transmission rod passes through the sliding slot in the base and the switch hole in the middle frame. This nested arrangement achieves compact integration without compromising waterproof sealing.
2Reliability
If existing waterproof push-button switches from other products are adapted for terminal communication products, then waterproof function is achieved, but the design complexity increases and integration with terminal communication functions becomes difficult
Solution Approach 1:
The switch design incorporates universal features that can be integrated with various terminal communication functions such as volume control, mute, alarm, and flashlight control. The standardized structure with middle frame and outer frame allows easy adaptation to different communication device requirements.
Solution Approach 2:
The waterproof switch integrates multiple functions including the pushing mechanism, transmission mechanism, and sealing structure into a single unified component assembly that can be directly installed in mobile terminals, eliminating the need for separate waterproofing modifications.
3Ease of operation
If the pushing member is made larger to improve user operation, then ease of operation increases, but the compactness and integration of the switch structure decreases
Solution Approach 1:
The pushing member is designed with optimized local dimensions that provide sufficient surface area for comfortable finger operation while maintaining a compact overall profile. The slider is positioned to extend slightly from the outer frame, providing an ergonomic interface without increasing the bulk of the switch assembly.
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 a compact, lightweight, and highly integrated waterproof push-button switch suitable for mobile terminals, enabling intuitive operation while maintaining waterproofness and addressing the limitations of existing designs.
Implementation Method 1
the reset mechanism includes an elastic member, a first position-limiting protrusion is provided on the transmission rod, a second position-limiting protrusion is provided in a notch of the sliding slot, the elastic member is disposed between the first position-limiting protrusion and the second position-limiting protrusion
Data Source
AI summary
Waterproof push-button switch includes: a push mechanism, transmission mechanism and main waterproof piece. Push mechanism includes slider and push piece, two ends of slider being force application end and limiting end. Transmission mechanism comprises transmission rod and base provided with slide groove. Slider is in accommodating groove formed by terminal central frame and terminal outer frame; portion of push piece protrudes from terminal outer frame; limiting end matched with limiting piece on terminal central frame. Base is fixed on terminal central frame; main waterproof piece is between base and terminal central frame; slide groove on base is in communication with switch hole on terminal central frame. Transmission rod passes through slide groove and switch hole; end passing through switch hole to be located within accommodating groove being a force bearing end matched with force application end; end penetrating base being a toggle end matched with switch arm of controllable circuit.