Incorrect Coupling Prevention TRIZ Cases

Segmented radial protrusions replace continuous metallic bands, reducing axial dimensions while maintaining reliable electrical contact.

A convexly rounded locking insert with expansion slots creates a friction fit to secure fasteners at variable angles.

Protective members guide insertion portions to prevent horizontal misalignment and scratching of the insulating body.

Stainless steel inserts shield connector housings from card edge abrasion, resolving the trade-off between frequent module replacement and substrate wear.

A connector position assurance element slides along guide ribs to engage flanking projections and stop elements for secure coupling.

Segmented terminal bodies with pre-formed bending wings and notches resolve assembly time versus contact reliability contradictions.

Colliding portions project forward from the resilient arm to strike housing walls, resolving lock arm warping and ensuring smooth detector movement.

Segmented channels eliminate pressure-induced locking forces, enabling reliable disconnection at depth while maintaining electrical isolation.

A shielded connector uses a sliding inner housing to expose high-voltage terminals only during mating.

Segmented detection contacts and hydrophobic coatings guide liquid away from signal paths, preventing corrosion while maintaining connection integrity.

An integrated junction box merges bypass diodes and terminals to reduce wiring complexity while preventing electrical shorts in solar arrays.

Extraction of foolproofing into a separate coding clip reduces assembly time and production costs for industrial connectors.

A ZIF connector hook projection strikes engagement pins to block shaft rotation during insertion.

A contact and busbar assembly uses flexible power rail strips to relay energy across electronics housings.

Fitted metal members form a low-profile connecting pin that minimizes light obstruction to resolve luminance unevenness on the display panel.

A docking cradle uses a spring-mounted floating connector assembly to secure portable electronics.

A pre-installed keying member prevents improper mating of connectors by engaging a housing recess, resolving reliability complexity trade-offs.

A connector lock arm uses segmented receiving surfaces to engage a resilient arm, creating a wide contact area for stable detector positioning.

Integral interlock features prevent axial separation and twisting of connectors while a coupling fastener secures the joint assembly.

Variable thickness shielding plate resolves impedance matching and high-voltage breakdown risk in electrical connectors.

Rotating lever moves connector housing linearly to reduce mating force and ensure alignment.

Spherical geometry enables reliable emergency disconnect regardless of cable orientation or tension.

A connector lock integrates a tool restraining portion to detect insertion state.

A Mini DisplayPort connector integrates a tactile latch mechanism and chamfered edges to ensure secure mating.

A connector fixing device uses a pivoting lock to secure components without springs.

A power adaptor uses a replaceable tip to output specific voltages.

Asymmetric cover projections prevent incorrect attachment of the case, eliminating bolt fasteners and reducing manufacturing costs.

Slanted beak geometry converts female lock restoring force into driving energy, reducing insertion force spikes caused by short springs and multiple terminals.

Asymmetric locking strips prevent misalignment by engaging housing parts only when correctly oriented.

A secure electrical connection device uses a pilot circuit to control a mobile locking means for the base.

A card edge connector uses a fitting portion extending into a PCB notch to house terminals and maintain a low profile.

A cam member draws a mating pin into a groove to secure connector housings, eliminating rattling in vibrating environments.

A male-side positioning portion guides the tab to prevent piercing the tapered surface, ensuring stable connection in miniaturized connectors.

An insulating bridge reduces gap cross-sections to stop tool penetration and prevent short circuits in high-voltage connectors.

A power plug uses non-contact sensing elements facing pin planes to detect heat accurately.

Guide metal members with inverse U-shaped sections attach to housing sidewalls and edge walls for precise mating connector alignment.

A connector detection member rides over a protrusion to confirm fitting.