Couplings TRIZ Cases

Segmented poppets and a sliding bell divert fuel flow to prevent overfilling, reducing required ullage volume.

A mechanical locking mechanism secures the female valve assembly in the open position using a spring-loaded ball and groove system.

A fluid coupling device uses radial locking tabs and elastomeric sealing material to engage male barbed fittings.

An angled toothed ring housed in a sliding groove allows demountable connections without spontaneous disconnection.

Segmented annular sectors and radial control pins maintain hermetic sealing under high pressure while ensuring easy operation.

A tubular fastening member with external coupling elements engages angularly spaced retaining lugs on an interface formation to lock a tube securely.

Integrating the valve components into a single flow body removes transverse joints that impair fluid capacity and increase refueling time.

A piston design uses a separate bayonet lock ring and conical spring bush to adjust to container diameter.

Universal self-locking plumbing insert with interlocking cartridges and dual-function gripping ring eliminates separate removal tools.

Ramped pads on locking lugs and flanges prevent inadvertent separation of air brake hose connectors during vibration.

A hybrid push-to-connect fitting uses a threaded nut connector assembly to secure tubing and prevent rotational movement during installation.

An elastic toothed ring nested in an endpiece groove anchors tubes securely while preventing spontaneous disconnection and leakage.

A fluidic connection sleeve uses a conical shoulder and elastic pins to snap-fit onto an end piece for secure retention.

A clampless fitting uses a C-shaped gripping ring to secure plastic pipes internally without external hardware.

A modular fluid adapter uses a quick-connect sheath to enable rapid assembly and disconnection for vehicle maintenance workflows.

A fluid coupling valve assembly uses a cam mechanism to guide securing means, preventing cage deformation and jamming under high pressure.

A coupling assembly uses a rotatable sleeve to lock fluid-carrying components together securely.

Segmented teeth on a retainer ring engage smooth conduit surfaces via friction, resolving the trade-off between tool-free assembly and axial pull-out force.

A female quick-connect fitting uses a safety ring to transform rotational movement into axial translation for secure coupling.

Segmenting the annular retainer into active and inactive directions reduces circuit element thickness while maintaining firm tube retention.

Segmented latch plate openings with radial edges resist cam out under torsion while maintaining compact dimensions.

Fixing segments on an annular body engage a groove via ramp geometry, simplifying assembly while ensuring fluid-tight stability.

A spray gun connection part uses a spaced stop element to prevent plastic chipping during assembly.

A twist-and-pull wire clip prevents accidental decoupling from vibrations by sliding orthogonally through lug holes to lock cam arms.

Integral protrusions and recesses prevent torsional stress in sewer pipe couplings without increasing device length.

A rotating ring sleeve forms a secure seal with flexible tubes via form fit.

Segmented valve coupling reduces installation errors by using a low-force wiper seal after high-force gripper engagement.

Hooks on a sleeve stopper engage a socket assembly to resolve mechanical coupling instability in cartridge type soldering irons.

Axial spring force automatically engages latching elements, preventing unintentional detachment during injection molding operations.

Tabs and undercut features enable 1/8 turn fluid head attachment, solving complex cleaning issues for fast-setting materials.

An elastic anchor washer with inclined teeth protects channel walls from scratches while securing the tube connection.

A hose quick coupling buckle device uses a pivoting handle and engaging pin to secure nozzle connections.

A union nut screws into a clamping position to secure a fluid conduit while creating a tight seal against a carrier component.

A tubular lock mechanism uses a torsion spring to switch urging direction based on turning angle for one-touch engagement.

A pneumatic plug connection uses a three-position actuating element to control gaseous medium delivery and mechanical locking.

A wedge clamp quick release connector uses beveled surfaces to ensure reliable surface contact between the connector and plug.

Integrating a rubber-elastic sealing structure onto holding sections eliminates separate assembly steps, reducing device complexity and manufacturing costs.

A tubular fitting integrates a retaining band and locking mechanism to secure tube assemblies.

Axially movable drawers shield external seals from high-pressure fluid circulation, preventing seal degradation and leakage in hydraulic systems.

A fitting assembly uses a grip ring, seal element, and spacing element to secure components.

Movable abutment means constrain a clamp ring split, reducing insertion force and preventing tube damage during high-pressure connection.

An integrated shunt system in a male coupling kit activates the shunt function on the movable plate side without additional valves.

A quick-fit fluid connection device uses radial undercuts on a male fitting and elastic arms on a retention element for secure coupling.

Nested load and locking rings inside the collar resolve the trade-off between high axial strength and low profile height in oil and gas connectors.

A double-envelope fluidic connection device uses bayonet-type fixing means to join internal and external circuits without tools.

An adjustable fulcrum on the coupling lever modulates locking force and sealing pressure, maintaining secure engagement across varying pressures.

A spring-loaded sleeve and pawl mechanism provide intermediate pressure relief in short-neck Asian standard couplings.

Starter teeth bridge radial clearance to secure tubular joint locking against plastic spigot disengagement.

A valve joint uses a controlling assembly to shift a limiting member that engages meshing teeth on an air nozzle.

A drag increasing device between pocket and selector plates prevents accidental engagement caused by lubrication oil drag torque at low temperatures.