Couplings TRIZ Cases

Transversal web portions link adjacent flexing members to shorten plastic quick connectors while improving snap-fit resilience and fracture resistance.

Preformed sealing spaces and antimicrobial-coated seals contain fluid during disconnection, reducing leakage, tube shift, and infection risk.

A coupling sleeve reinforces catching claws and retains dual sealing rings to keep pipes securely connected under high-pressure flow.

A securing element blocks locking until proper insertion aligns the fluid line coupling, preventing false connection indication and detachment.

A tapered seal layout with a smaller second seal member cuts the gap between connectors and reduces liquid leakage during disconnection.

Internal valves with parallel springs keep the coupling closed during connection, preventing fluid spillage, air inclusion, and pressure loss.

A ball-locking, nested hose connector secures multiple cleaning hoses, prevents relative rotation, and simplifies installation.

A flexible membrane and retaining force replace complex valves to keep large-container dispensing connectors leak-tight, simple, and recyclable.

A polymer retainer with segmented fingers lowers tube insertion force, avoids post-process machining, and improves connector retention.

A guide structure and resilient buffer enable blind fluid connector insertion with higher alignment tolerance for dense server liquid cooling.

A magnetic strip guides hose clamp orientation during vehicle assembly, reducing misalignment, torque loss, and coolant leakage.

A force-triggered catheter connector disconnects before line pull dislodges the catheter, then blocks reconnection and seals fluid flow.

Segmented retainer fingers and a locking band cut insertion force, avoid post-machining, and help prevent refrigerant leakage.

Angled grip teeth, spacer, and retainer rings keep push-fit pipe connections sealed and locked against axial or rotational movement under pressure.

Flexible tabs and spacer members enable simple assembly while locking engagement projections against tampering, rotation, and pull-off.

Open-side threading and sphere-based torque transfer let hydraulic connectors be mounted and removed quickly without enlarging the multi-connector face.

An internal plug and manipulating member close the gas path during hose removal, improving convenience while preventing accidental leaks.

A force-triggered connector disconnects before catheter pullout, then seals fluid flow and blocks unauthorized reattachment.

A retainer ring, grip ring, and elastomeric gasket create a secure DWV pipe seal that can be disconnected and reconnected without adhesives.

An elastic split ring cuts connector insertion and release force while maintaining secure locking and reuse of the male connector.

A plunger and dual airtight portions switch sealed air paths for Schrader and Presta valves without rotary adjustment, simplifying attachment.

An asymmetric quick-connect fitting locks hose orientation to prevent rotation, O-ring wear, misalignment, and leakage during assembly.

An elastic sliding lock enables compact fluid pipeline joining with automatic secure locking, shorter assembly time, and leak prevention.

Internal valve cartridges block flow before coupling changes, preventing fluid spillage and air entry while keeping assembly simple.

A flexible lock and rotating unlocking ring secure tubular connectors in tight spaces while allowing reliable disassembly without special tools.

Separating sealing from fastening lets this pipe connector keep quick assembly while improving seal life, anti-separation force, and reliability.

A hinged snap-on retainer locks an SAE tube with low insertion force, tool-free assembly, better joint stability, and cleaner seals.

Locking pliers with dual engagement members press the release collar and fitting body together for smooth push-fit pipe disassembly.

A slit spherical valve closes under unintended pull forces to limit IV line dislodgement, fluid leakage, injury, and infection.

An external coil pulls the connector axially to overcome locking force, making multi-coupling hydraulic hookups easier and less strenuous.

An all-metal clip-locked fitting resists freeze expansion and high pressure while keeping quick tube connection and chemical sealing.

A spring-steel ring and segmented support webs spread dynamic pressure loads, enabling plastic fluid-line couplings to stay tight and durable.

A nested connector and coupling cap enable quick tail wing assembly while maintaining secure boom attachment and stable flight connections.

Form-fit indents and movable coupling pins stop sprinkler rotation from loosening the hose connector while preserving easy reattachment.

A retainer ring, grip ring, and elastomeric gasket create a secure pipe seal that can be disconnected and reconnected without adhesives.

A bushing with through openings and annular narrowing pre-loads locking plates to prevent deformation and keep hose couplings secure.

A pre-loaded biasing element lets a liquid-cooling quick disconnect self-align under rack tolerances while maintaining flow and reducing stress.

A metallic reinforcement ring strengthens plastic locking openings in fluid-line couplings, preventing breakage under pressure pulses and vibration.

A flat spring steel ring spreads locking forces in a plastic fluid coupling, preventing crack-prone point loading in charge air lines.

Integrated internal projections and a gasketed groove secure the pipe during pressing, cutting leakage, part count, and fitting complexity.

Contacting front seals accommodate tolerance variation in pressurized fluid connectors while minimizing drips during coupling and uncoupling.

Latching valve members close before separation to prevent fluid spillage and air inclusion without springs in the flow path.

A tubular insert with axial sealing surfaces enables one-step rotation or press-fit mounting for fluid-tight container connections without gluing or welding.

Guide surfaces and an elastically opening retainer let a pipe bulge pass while reducing joint gap and preventing outward protrusion.

A deformable slit valve and movable flange resist accidental IV line disconnection while preserving fluid sealing and easy reconnection.

A snap ring and release sleeve enable tool-free linear disconnection while keeping a fluid-tight coupler secure across pressure and temperature changes.

Matching press sleeve contours let one press jaw connect rigid and flexible pipes, cutting tool changes and on-site installation effort.

Water pressure drives the internal fixing unit to tighten reverse teeth on the pipe, enabling tool-free installation and resisting loosening.

A helical sleeve converts tool rotation into axial pipe engagement, enabling secure small-diameter hydraulic connections without disassembly.

An additively manufactured two-part pipe coupling integrates locking, sealing, and alignment to avoid fasteners, reduce leaks, and allow reversible assembly.