Lens Barrel Flow Path for Single-Cycle Adhesive Bonding
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Solution Overview
Problem
Conventional lens assemblies require complex and time-consuming assembly procedures due to the need for sequential adhesive-dispensing and photocuring steps for each optical member, complicating the process.
Innovation Solution
A lens barrel module with a flow path unit that allows for the adhesive to fill and bond the lens barrel module and optical members in a single cycle, reducing the number of adhesive-dispensing and photocuring operations by integrating a flow path unit in spatial communication with accommodation sections within the lens barrel unit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sequential adhesive-dispensing and photocuring steps are performed for each optical member, then reliable bonding is achieved, but assembly time and process complexity increase
Solution Approach 1:
The patent merges multiple separate adhesive-dispensing and photocuring operations into a single integrated operation. The flow path unit allows adhesive to be dispensed once and distributed to multiple accommodation sections simultaneously, and a single photocuring step cures all adhesive bonds at once, eliminating the need for repeated sequential operations while maintaining bonding reliability
Solution Approach 2:
The flow path unit is pre-configured within the lens barrel unit to enable simultaneous adhesive distribution to multiple accommodation sections. This preliminary structural arrangement allows the adhesive-dispensing and photocuring steps to be performed once for all optical members rather than requiring separate operations for each member
2Reliability
If sequential adhesive-dispensing and photocuring steps are performed for each optical member, then complete bonding is achieved, but process complexity increases
Solution Approach 1:
The patent combines multiple discrete bonding operations into a single unified process through the flow path unit. The flow path unit integrates the adhesive distribution function across multiple accommodation sections, allowing one dispensing action and one photocuring action to replace multiple sequential operations, thereby simplifying the overall assembly process
Solution Approach 2:
The flow path unit serves multiple functions simultaneously: it acts as an adhesive reservoir, a distribution network to multiple accommodation sections, and a guide for uniform adhesive flow. This multi-functional design eliminates the need for separate dispensing mechanisms for each optical member, reducing process complexity while ensuring complete bonding
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
This design significantly reduces assembly time and enhances efficiency by allowing a single cycle of adhesive-dispensing and photocuring after all optical members are placed, ensuring proper bonding and curing.
Implementation Method 1
The adhesive element fills the flow path unit and makes the lens barrel module and the optical members bonded together
Implementation Method 2
The flow path unit is formed in the lens barrel unit and is in spatial communication with at least two of the accommodation sections
Data Source
AI summary
A lens barrel module is disclosed to include a lens barrel unit and a flow path unit. The lens barrel unit extends along an axis and includes a peripheral wall that surrounds the axis and that has a first end adjacent to an object side of a lens assembly and a second end opposite to the first end and adjacent to an image side of the lens assembly. The peripheral wall defines an accommodation space configured as a series of accommodation sections for receiving the optical members. The flow path unit is formed in the lens barrel module and is in spatial communication with at least two of the accommodation sections. A lens assembly including the lens barrel module is also disclosed.