Couplings TRIZ Cases

A reverse input blocking clutch uses barrel polished surfaces on rollers and fixed members to reduce sliding resistance during rotation.

Segmented connecting parts slide inside one another to pre-assemble on pipes, resolving the contradiction between connection security and assembly ease.

Rotating segmented housing segments fluid and electrical paths to reduce maintenance downtime and part damage risk.

Segmented elastic legs in a quick coupling generate restoring force to return the sleeve to its original position.

A quick connector uses a coupling device with shanks that rotate to lock pipe sections together securely.

Elastic seal compensates for dimensional deviations and prevents viscoelastic flow, reducing tensile stresses that cause fractures.

Asymmetrical dimples in the ferrule create unequal ramp angles that resist rotation and prevent loosening under vibration.

A torque limiting clutch uses drive pins and biasing mechanisms to manage rotational loads.

A compact female quick coupling uses a mechanical locking device to secure the axial valve body.

Wall feed-through element uses radially springable projections to engage wall recesses for secure one-sided attachment.

Inverted axial release eliminates large operation strokes and tool requirements in narrow automotive engine spaces.

A quick coupling with a pressure compensation system manages oil expansion from temperature changes by using a segmented decompression chamber and micro-valve.

Radially acting unlocking elements displace locking segments to release media lines without tools, reducing disassembly time.

Rectangular cross-section springs maintain mechanical strength while expanding internal diameter to reduce pressure drops in pressurized fluid couplings.

A female coupling element uses a rotating locking element to engage fluid pipe lines without radial displacement.

A milk hose coupling uses a cam-and-recess locking mechanism to secure connection parts quickly.

Helical spring actuated shutter with hollow rod and triangular guide element increases maximum flow rate by minimizing guide pin diameter.

A cartridge-type quick coupling device uses a retractable ring to carry the retaining washer and sealing member.

A hydraulic connector uses a preloaded spring element to secure mating parts, reducing assembly force in overhead locations.

A quick coupling employs a coaxial guide ring to constrain radial jaw movement, ensuring precise hooking and stable mechanical seals in high-pressure circuits.

A U-shaped driver stop secures the protective ring during pipe insertion.

Segmented grip rings resolve assembly complexity by enabling radial compression against the chamber wall for high-pressure tensile loads.

A rotary evaporator fastening device uses a cam mechanism to convert rotational motion into radial clamping force for secure flask attachment.

A cylindrical connector component uses radially segmented threads to enable secure male-female engagement with less than 360 degrees of rotation.

A plastic sliding sleeve uses a circumferential rib to secure pipe connections against axial displacement during installation.

An inclined front edge on the mandrel centers flexible tubes during insertion, while a rotatable ring sleeve secures the connection to prevent leaks.

An integral latching connection eliminates screw threads and locking rings, reducing manufacturing effort while maintaining sealing reliability.

A clutch support member guides grease to maintain frictional force between the roller and housing.

A connector wall surface reduces flow channel cross-sectional area to increase fluid momentum and guide infusion solution into the space portion.

Push-fit locking mechanism eliminates threaded installation complexity while maintaining connection reliability.

A pipe fitting tool expands the socket mouth diameter to insert pipes without damaging the surface.

Conical members compress springs between mating valves in this fluid coupling, increasing effective opening area and minimizing pressure loss.

A deformable blocking ring transitions from a stretched to folded state to lock an insert pipe within a plastic pipe opening.

Segmented valve bore with movable closing cone releases trapped pressure to prevent seal stress during coupling.

A modular cartridge assembly joins metal plumbing fittings via laser welding to create a secure, leak-proof connection.

An intermediate ring in a female quick coupling element retracts locking balls axially, eliminating wedging forces that cause jamming and seal wear.

Annular skirt internal threads engage external adapter surface to couple larger diameter sprinkler risers without redesigning existing tubular couplers.

Segmented decoupling stages with a round profile sealing ring allow controlled pressure escape, preventing sudden release hazards during disconnection.

A push-fit fitting end bushing uses a rib and groove arrangement to secure internal components without threading.

An axially movable actuating element displaces locking elements transversely, eliminating lateral space requirements and enabling tool-free connector release.

Spring-loaded connectors align and mate fluidic couplings during insertion, eliminating manual alignment effort in tight chassis spaces.

An elastic needle ring creates an air gap to guide a ball toward the valve throat, improving nozzle retention during the bleed phase without complex springs.

A tubular sleeve collar rotates to engage pins on an end insert, enabling secure snap-fit connections.

A cryogenic transfer line coupling integrates a gate valve to seal the circuit during disengagement.

A pipe fitting enables reversible connection between header units through a collet mechanism.

Bidirectional locking assembly eliminates tip-in clunk and shift harshness in powershift transmissions by pre-positioning clutch engagement during coasting.

Radial locking grooves overlap internal threads to reduce axial length while maintaining secure high-pressure sealing.

A retaining ring with asymmetric conical teeth transforms outward hydraulic forces into inward locking pressure.

Embedding tubular inserts into the carrier part defines fluid channels, eliminating deep-hole drilling and reducing machining time.