Insulation Displacement Connector Piercing Mechanism
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Solution Overview
Problem
Existing insulation displacement connectors require stripping of electrical insulation from cables for connection, which is inconvenient and can lead to improper connections.
Innovation Solution
The design includes a mounting portion with first and second arms that define slots to receive electrical cables, featuring piercing members to pierce the outer insulative layer and contact the conductor, allowing for direct connection without stripping, and a retention mechanism for securing the connector housing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional connection methods are used, then reliable electrical connection is achieved, but cable insulation must be stripped which is inconvenient and time-consuming
Solution Approach 1:
The piercing member automatically pierces the cable insulation when the connector is assembled, eliminating the need for separate insulation stripping operations. The connector performs the insulation removal function itself during the connection process, making the operation simpler and faster.
Solution Approach 2:
The piercing member is pre-positioned on the connector body to protrude toward the cable insulation. During assembly, it automatically performs the piercing action before electrical contact is established, preparing the connection path in advance without requiring separate preparation steps.
2Ease of operation
If insulation displacement connector is used, then connection without stripping is enabled, but piercing member design complexity increases
Solution Approach 1:
The connector is divided into distinct functional portions: a body portion for mounting, a mating portion for cable reception, and a piercing member for insulation penetration. This segmentation allows each component to be optimized independently while maintaining overall simplicity.
Solution Approach 2:
The piercing member serves multiple functions: it pierces the insulation, guides the conductor into proper position, and maintains electrical isolation until piercing occurs. This multi-functionality reduces the need for additional separate components.
3Ease of operation
If piercing member is added to enable insulation piercing, then connection convenience is improved, but manufacturing complexity increases
Solution Approach 1:
The piercing member is integrated with the body portion as a single molded component rather than a separate part. This merging of components simplifies the manufacturing process by reducing the number of parts that need to be produced, assembled, and quality-checked separately.
Solution Approach 2:
The piercing member's geometry and material properties are optimized during the molding process to achieve the desired piercing capability. By adjusting molding parameters such as material hardness, tip geometry, and insertion force, the piercing function is achieved without adding complex manufacturing steps.
Data Source
AI summary
An insulation displacement contact includes a monolithic electrically conductive contact body that includes mating portion and a mounting portion. The mating portion defines a pair of insulation displacement slots configured to receive an electrical cable delivered by a connector housing. The insulation displacement contact includes a retention wall that is received by the connector housing in order to insert the electrical cable into the insulation displacement slots. The connector housing can further receive the insulation displacement contact so as to deliver the mounting portion to a complementary electrical component to which the insulation displacement contact is mounted.