Lens Drive Spring Support Assembly Injection Molding
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Solution Overview
Problem
Existing lens drive devices are complex to assemble and costly to produce due to the numerous components, including upper and lower elastic plates and suspension wires, which increase assembly complexity and production costs.
Innovation Solution
A lens drive device with a spring support assembly integrally injection molded from colloidal elastic materials, which simplifies assembly and reduces production costs by eliminating the need for complex suspension wire assemblies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional separate components (upper elastic plate, lower elastic plate, suspension wires) are used for support and anti-shake functions, then the device achieves reliable mechanical support and anti-shake performance, but the assembly complexity increases and production costs increase
Solution Approach 1:
The patent combines the upper elastic plate, lower elastic plate, and suspension wires into a single integrated elastic support component. This component includes a first elastic arm (replacing upper and lower elastic plates) and second elastic arms (replacing suspension wires), all formed as one piece through injection molding. This merging eliminates the need for multiple separate components and complex assembly processes while maintaining the mechanical support and anti-shake functions.
Solution Approach 2:
The integrated elastic support component performs multiple functions simultaneously: it provides mechanical support for the lens barrel, enables anti-shake movement in horizontal directions through the first elastic arm, and enables anti-shake movement in vertical directions through the second elastic arms. This multi-functional design replaces what previously required separate components for each function.
2Reliability
If traditional separate components (upper elastic plate, lower elastic plate, suspension wires) are used for support and anti-shake functions, then the device achieves reliable mechanical support and anti-shake performance, but the production costs increase
Solution Approach 1:
The patent combines the upper elastic plate, lower elastic plate, and suspension wires into a single integrated elastic support component. This component includes a first elastic arm (replacing upper and lower elastic plates) and second elastic arms (replacing suspension wires), all formed as one piece through injection molding. This merging eliminates the need for multiple separate components and complex assembly processes while maintaining the mechanical support and anti-shake functions.
Solution Approach 2:
The integrated elastic support component is formed through injection molding, which allows for automated, high-volume production. The single-component design eliminates the need for manual assembly of multiple parts, reducing labor costs and increasing manufacturing efficiency. The component serves itself by providing all necessary support and anti-shake functions through its integrated structure.
3Strength
If multiple separate components are used for support functions, then the device achieves adequate structural support, but the number of components increases and assembly difficulty increases
Solution Approach 1:
The patent combines the upper elastic plate, lower elastic plate, and suspension wires into a single integrated elastic support component. This component includes a first elastic arm (replacing upper and lower elastic plates) and second elastic arms (replacing suspension wires), all formed as one piece through injection molding. This merging eliminates the need for multiple separate components and complex assembly processes while maintaining the mechanical support and anti-shake functions.
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 results in a lens drive device that is easier to assemble, reduces production costs, and maintains effective autofocus and anti-shake functions.
Implementation Method 1
the first anti-shake coil interacts with the first driving magnet and drives the barrel to move in the first direction
Implementation Method 2
the second anti-shake coil interacts with the second driving magnet and drives the lens barrel to move in the second direction
Implementation Method 3
the third driving coil interacts with the third driving magnet and drives the support frame and the lens barrel to move along the optical axis
Implementation Method 4
the spring support assembly is integrally injection molded from colloidal elastic materials
Data Source
AI summary
The invention provides a lens drive device including a base, a housing, a lens barrel for mounting a lens group, a spring support assembly, a support frame; an upper elastic plate, a first driving assembly, second driving assembly, wherein, the spring support assembly is integrally injection molded from colloidal elastic materials, and the lens barrel is set in the spring support assembly. The lens drive device further includes a first fixed arm a supporting part spaced from the first fixed arm and sleeved at the end of the barrel near the base, a first elastic arm, a second fixed arm, and multiple connecting columns spaced from the barrel and arranged around the barrel. Compared with related technologies, the lens drive device of the present invention has simple assembly and low production cost.