Guided Lens Group Structure for Impact and Water Resistance
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Solution Overview
Problem
Conventional lens devices in cell phones suffer from damage due to external impacts and lack effective protection against water ingress, particularly when miniaturization and zoom range enhancement are considered.
Innovation Solution
A lens device with a simple structure incorporating a lens group unit, guiding unit, transmission unit, and driving unit, featuring a cushion unit and silica gel element for impact absorption and waterproofing, allowing the lens group to move between extended and retracted positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional lens device structure is used, then the device is compact, but it is liable to damage when falling down due to lack of impact protection
Solution Approach 1:
The patent introduces a cushioning structure comprising a first cushioning component and a second cushioning component positioned between the lens group and the housing. These cushioning components are pre-installed to absorb impact energy before it reaches the lens group during a fall, thereby protecting the lens from damage without requiring complex active protection systems.
2Adaptability or versatility
If an extension lens is provided to improve zoom range and appearance, then the zoom range and aesthetics are improved, but the structure becomes more complex
Solution Approach 1:
The patent divides the lens system into a main lens assembly housed within the housing and a separate extendable lens assembly that can protrude from the housing. This segmentation allows the lens to achieve extended zoom functionality while keeping the base structure compact and relatively simple, as the extension mechanism only needs to support the additional lens elements when needed.
3Adaptability or versatility
If the lens group unit is extended from the lens housing, then the zoom range is improved, but the device is more vulnerable to external water ingress
Solution Approach 1:
The patent employs a waterproof film or flexible sealing structure that covers the opening of the lens housing where the lens group extends. This flexible sealing element can accommodate the movement of the lens group during extension and retraction while maintaining the waterproof barrier, preventing water ingress during rain or humid conditions.
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 device provides effective protection against external impacts and water ingress while maintaining a compact design, enhancing zoom range and aesthetics.
Implementation Method 1
When the lens group unit sustains an external impact, the external impact is transmitted through the lens group unit to the cushion unit
Implementation Method 2
The transmission unit further includes a screw rod, the fixing element is a nut element connected to the screw rod through threads, and the driving unit outputs power for rotating the screw rod so that the fixing element is driven to move in the first direction or in the second direction
Data Source
AI summary
A lens device includes a lens group unit, a guiding unit, a transmission unit and a driving unit. The guiding unit is connected to the lens group unit for guiding the lens group unit to move in a first direction or in a second direction. The transmission unit includes a fixing element. The driving unit is connected to the transmission unit so as to output power for driving the lens group unit through the transmission unit to move in the first direction X or in the second direction. The fixing element includes a body portion and a bent portion, and the bent portion extends from the body portion to form a space between the fixing element and the lens group unit.