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  • 90 Degree Adjustable Different Angle Ratchet Locking Hinge Folding Sofa Bed Hinge Lounge Chair Hinge
  • 90 Degree Adjustable Different Angle Ratchet Locking Hinge Folding Sofa Bed Hinge Lounge Chair Hinge
  • 90 Degree Adjustable Different Angle Ratchet Locking Hinge Folding Sofa Bed Hinge Lounge Chair Hinge
  • 90 Degree Adjustable Different Angle Ratchet Locking Hinge Folding Sofa Bed Hinge Lounge Chair Hinge
  • 90 Degree Adjustable Different Angle Ratchet Locking Hinge Folding Sofa Bed Hinge Lounge Chair Hinge
  • 90 Degree Adjustable Different Angle Ratchet Locking Hinge Folding Sofa Bed Hinge Lounge Chair Hinge
90 Degree Adjustable Different Angle Ratchet Locking Hinge Folding Sofa Bed Hinge Lounge Chair Hinge
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90 Degree Adjustable Different Angle Ratchet Locking Hinge Folding Sofa Bed Hinge Lounge Chair Hinge

  • 100 - 999 Pieces
    $0.63
  • 1000 - 9999 Pieces
    $0.58
  • >= 10000 Pieces
    $0.55

Customization:

Customized logo（Min.Order: 10000 pieces）
Customized packaging（Min.Order: 10000 pieces）
View product details

90 Degree Adjustable Different Angle Ratchet Locking Hinge Folding Sofa Bed Hinge Lounge Chair Hinge

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Adjustable Angle Ratchet Locking: Enables precise 90-degree positioning and multiple angle adjustments for folding sofa beds and lounge chairs, ensuring secure and stable locking at desired angles.
  • Durable Metal Construction: Crafted from robust steel with a sleek silver finish (as specified), designed to withstand frequent use and maintain structural integrity over time.

Key features

  • 1. Corrosion-Resistant Stainless Steel Construction

    • With a corrosion-resistant stainless steel body, ensure long-lasting durability in high-moisture or high-use environments. ~30% more resistant to wear than standard hinges*.

  • 2. 90-Degree Ratchet Locking Mechanism

    • With a precision-engineered ratchet locking system, easily adjust and secure the hinge to 90-degree angles for optimal seating or sleeping positions. Faster angle adjustments compared to traditional hinges*.

  • 3. High-Load Capacity Design

    • Supports up to 200kg load capacity, ensuring stability for heavy furniture use. ~50% higher load tolerance than conventional hinges*, making it ideal for frequent folding and unfolding.

  • 4. Space-Saving Furniture Solution

    • Designed for seamless conversion between sofa and bed modes, this hinge optimizes space in homes or commercial settings. Perfect for lounge chairs and sofa beds requiring durable, multi-functional hinges.

  • 5. Certified Quality Assurance

    • Complies with ISO 9001 quality standards, ensuring reliable performance and safety for daily use. Backed by rigorous testing for durability and compliance with international furniture safety regulations.

Product details

90 Degree Adjustable Different Angle Ratchet Locking Hinge Folding Sofa Bed Hinge Lounge Chair Hinge

The 90 Degree Adjustable Ratchet Locking Hinge is a robust furniture hinge designed for sofa beds, lounge chairs, and similar applications. Crafted from high-quality steel with a sleek silver finish, it offers precise angle adjustment (0° to 90°) and secure locking via a ratchet mechanism. Its durable construction and customizable design make it ideal for both residential and commercial furniture solutions.

Technical specifications

FeatureSpecificationBenefit
MaterialCold-rolled steelEnhanced durability and corrosion resistance
FinishSilver powder coatingPremium aesthetic and scratch resistance
Adjustment Range0° to 90° in 15° incrementsVersatile positioning for seating/bedding
Load Capacity150 kg (Base), 200 kg (Advanced), 250 kg (Pro)Supports heavy-duty furniture use
Locking MechanismRatchet-based with 6 locking positionsSecure angle retention under stress
Screw CompatibilityM4 threaded screws (adjustable tension)Customizable grip strength for different materials

Customization guide

Adjustable screw size and thread pitch to accommodate varying furniture thickness. Custom finishes (e.g., black epoxy) and load ratings can be tailored for specialized applications like commercial-grade seating systems.

Get inspired

With its 90° adjustability and ratchet locking, this hinge transforms lounge chairs into beds seamlessly. For example, in a compact apartment, the hinge allows a sofa to convert into a bed effortlessly, while maintaining structural integrity over time.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Load Capacity150 kg200 kg (+33%)250 kg (+67%)
Adjustment Precision30° steps15° steps10° steps
Material Thickness2-4 mm3-6 mm4-8 mm
CertificationsCECE + RoHSCE + RoHS + ASTM

Supplier's note

  1. Technical Breakthroughs:

    • The ratchet locking mechanism (6 positions) ensures stability in dynamic furniture use.
    • The cold-rolled steel construction offers 20% higher tensile strength than standard hinges.
    • Adjustable screws allow 40% finer tension control compared to fixed designs.

  2. Version Selection Guide:

    • Base Model: Ideal for standard residential use (e.g., home sofas) where 150 kg load suffices.
    • Advanced Model: Suitable for commercial settings (e.g., hotel lounge chairs) needing frequent adjustments and higher durability.
    • Pro Model: Best for heavy-duty applications (e.g., institutional furniture) requiring ultra-precise positioning and ASTM-certified safety.

With the Pro version’s 250 kg capacity, you can safely support bulky seating systems. Its 10° incremental adjustments—unmatched in the industry—enable ergonomic comfort for users. Pair this with the M4 screw system to secure even thick, heavy-duty materials effortlessly.

Frequently asked questions

  • Which model of 90-degree ratchet hinge is best for space-saving sofa beds?

  • How do I clean and maintain a silver-finish folding sofa bed hinge?

  • Steel vs. Aluminum hinges: Which is better for heavy-duty lounge chairs?

  • Can I customize the finish of adjustable ratchet sofa bed hinges?

  • Is this ratchet hinge certified for safety in furniture applications?

  • What furniture types use 90-degree locking hinges for folding mechanisms?

  • How easy is it to adjust the angle on a ratchet locking sofa bed hinge?

  • How long do metal hinges last in folding lounge chairs?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Ratchet HingeFolding sofa beds, lounge chairsAdjustable angles (0°–180° in 15° increments)
Locking mechanism (ASTM F2323 compliant)
Load capacity: 150kg (EN 1612)		Precise positioning for furniture
Secure locking for heavy use
Stable under 150kg load (▲▲)		Higher cost than basic hinges
Requires assembly (tool required)
Piano HingeCabinet doors, panel installationsContinuous length (adjustable up to 120cm)
Zinc-plated steel (ASTM A153)
No locking mechanism		Cost-effective for large surfaces
Easy to install in straight panels		No adjustable positioning
Less secure for heavy furniture (▲)
Spring HingeCabinet doors, lidsAutomatic closing force (3–5N per EN 1612)
Load capacity: 50kg		Space-saving design
Convenient for frequent access		Limited to light loads (▲)
Risk of wear over time
Concealed HingeOffice furniture, modern cabinetryZero-gap design (≤0.5mm per ISO 13372)
Load capacity: 80kg		Sleek, minimalist appearance
Smooth operation for high-end furniture (▲▲)		Complex installation
Higher cost than standard hinges
Heavy-Duty HingeIndustrial furniture, heavy doorsLoad capacity: 300kg (EN 1612)
Stainless steel (ASTM A240)		Withstands extreme loads (▲▲▲)
Rust-resistant for harsh environments		Bulky design
Expensive compared to standard hinges
Decorative HingeHome decor, custom furnitureAesthetic finishes (brushed nickel, oil-rubbed bronze)
Load capacity: 20kg		Enhances furniture aesthetics (▲)
Customizable finishes		Limited to lightweight use
Not durable for heavy-duty applications

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