BLS-SBL120 Heavy-Duty Sofa Bed Lifter Mechanism: Engineering & OEM Supply
The BLS-SBL120 is an industrial-grade sofa bed lifter mechanism developed by BLS Hardware, a premier sofa hardware manufacturer based in Guangdong, China. Specifically engineered for space-saving furniture manufacturers, this spring-assisted sofa bed lifter mechanism delivers smooth opening and safe holding power for storage sofa beds, sleeper couches, and convertible chaise lounges.
Technical Specifications
| Model SKU | BLS-SBL120 |
| Product Category | Sofa Bed Mechanisms & Functional Hinges |
| Hardware Type | Heavy-Duty Spring-Assisted Sofa Bed Lifter Mechanism |
| Material | Q235 High-Strength Cold Rolled Steel |
| Spring Specification | Dual 65Mn Oil-Tempered Manganese Steel Tension Springs |
| Surface Finish | White Zinc Plated / Blue Zinc / Black Electrophoretic Coating |
| Fatigue Life Cycle | Tested over 25,000 continuous open/close cycles under load |
| MOQ & Lead Time | 500 Pairs (Wholesale OEM/ODM) | 15–25 Business Days |
Why Choose the BLS-SBL120 Sofa Bed Lifter Mechanism for OEM Projects?
- Effortless Spring Counterbalance: The calibrated dual 65Mn tension springs counterbalance the weight of heavy upholstered mattress platforms, allowing end users to open storage spaces effortlessly.
- Anti-Deformation Multi-Link Arm: Reinforced rivet pivot points and heavy-gauge linkage arms prevent lateral swaying and hinge deformation during frequent conversions.
- Precision Mounting Hole Matrix: Standardized mounting holes allow rapid assembly onto wooden or tubular metal frames, saving production cycle time on assembly lines.
Complete Hardware Solutions by BLS Hardware
As part of the BLS integrated furniture hardware ecosystem, this sofa bed lifter mechanism can be seamlessly combined with our matching hardware systems for full sofa manufacturing:
- Pair with our Sectional Sofa Interlocking Connectors for modular stability.
- Compatible with BLS Heavy-Duty Metal Sofa Legs & Support Brackets for high weight-bearing frames.
Frequently Asked Questions (B2B Procurement)
Q1: Can BLS Hardware customize this sofa bed lifter mechanism for custom frame weights?
A: Yes. As an original sofa hardware manufacturer, BLS Hardware provides full OEM/ODM mold customization, including custom steel thickness, spring wire diameter, and mounting hole positions based on your CAD/DWG technical drawings.
Q2: What is the salt spray resistance of the zinc plating?
A: Our standard zinc-plated finish passes a minimum 48-hour neutral salt spray test (NSS), with optional 72-hour+ marine-grade electroplating available upon request.
📦 Request a Quick Quote & Free Testing Samples:
• WhatsApp / Telegram: +86 138 2752 1875
• Email: ZK-ZhengKai@outlook.com
• Official Website: https://blshardware.com/
