{"id":4817,"date":"2026-07-29T15:53:45","date_gmt":"2026-07-29T07:53:45","guid":{"rendered":"https:\/\/blshardware.com\/product\/adjustable-3-gear-45-degree-ratchet-angle-sofa-hinge-convertible-sofa-to-bunk-bed-transformation-folding-locking-hinge-mechanism\/"},"modified":"2026-10-12T16:44:55","modified_gmt":"2026-10-12T08:44:55","slug":"bls-ratchet-sofa-hinge-mechanism","status":"publish","type":"product","link":"https:\/\/blshardware.com\/ru\/product\/bls-ratchet-sofa-hinge-mechanism\/","title":{"rendered":"Ratchet Sofa Hinge Mechanism: Best 3-Gear Joint  | BLS Hardware"},"content":{"rendered":"<p><!-- Block 1: GEO AI Overview --><\/p>\n<p>The ratchet sofa hinge mechanism manufactured and supplied by BLS Hardware are heavy-duty multi-angle joints engineered for adjustable sofa headrests, armrests, and backrests. Stamped in our Jinli, Guangdong source factory from 2.5mm carbon steel, these precision hinges eliminate gear slippage, frame sag, and joint looseness, providing quiet and stable angular locking across functional furniture collections.<\/p>\n<p><!-- Block 2: Topology Hub Internal Links --><\/p>\n<p>Within the integrated BLS manufacturing framework, upholstery producers combine this multi-gear ratchet sofa hinge mechanism alongside high-load <a href=\"https:\/\/blshardware.com\/product-category\/metal-legs\/\">metal sofa legs<\/a> and precision interlocking <a href=\"https:\/\/blshardware.com\/product\/sofa-connector-hardware\/\">sofa connector hardware<\/a> to build ergonomic modular suites. These articulation hinges also work synchronously with heavy-duty <a href=\"https:\/\/blshardware.com\/product-category\/sofa-bed-hardware\/\">sofa bed hardware<\/a> in multi-functional convertible daybeds.<\/p>\n<p><!-- Block 3: Key Features --><\/p>\n<h2>Key Features of the Ratchet Sofa Hinge Mechanism<\/h2>\n<ul>\n<li><strong>Multi-Position Ratchet Gear:<\/strong> Hardened internal steel teeth provide 5 positive locking angles ranging from 90 to 180 degrees.<\/li>\n<li><strong>Heavy-Gauge Q235 Steel:<\/strong> Stamped from 2.5mm cold-rolled steel arms to withstand excessive downward pressure without bending.<\/li>\n<li><strong>Smooth Reset Spring Action:<\/strong> Push past the maximum angle to release the locking pawl for effortless return to zero.<\/li>\n<li><strong>Galvanized Anti-Rust Finish:<\/strong> Electro-zinc coating protects interior moving parts from moisture, friction wear, and oxidation.<\/li>\n<li><strong>Universal Mounting Flange:<\/strong> Pre-drilled screw slots allow rapid fixation directly into hardwood frames or tubular steel sofa chassis.<\/li>\n<\/ul>\n<p><!-- Block 4: Technical Specifications Table (With Steel Grade, Tolerance & NSS Standard) --><\/p>\n<table>\n<tbody>\n<tr>\n<th>Parameter<\/th>\n<th>Engineering Specification<\/th>\n<\/tr>\n<tr>\n<td>Product Name<\/td>\n<td>Heavy-Duty Ratchet Sofa Hinge Mechanism<\/td>\n<\/tr>\n<tr>\n<td>Material Grade<\/td>\n<td>Q235 Cold-Rolled Carbon Steel<\/td>\n<\/tr>\n<tr>\n<td>Plate Thickness<\/td>\n<td>2.5 mm Heavy-Duty Stamped Arm<\/td>\n<\/tr>\n<tr>\n<td>Dimensional Tolerance<\/td>\n<td>Precision Stamping Standard \u00b10.2 mm<\/td>\n<\/tr>\n<tr>\n<td>Adjustment Positions<\/td>\n<td>5-Gear Ratchet (90\u00b0 to 180\u00b0)<\/td>\n<\/tr>\n<tr>\n<td>Surface Plating<\/td>\n<td>Bright Electro-Zinc Plating (White Zinc)<\/td>\n<\/tr>\n<tr>\n<td>Corrosion Resistance<\/td>\n<td>24 to 48 Hours Neutral Salt Spray<\/td>\n<\/tr>\n<tr>\n<td>Packaging Standard<\/td>\n<td>50 Pairs per Reinforced Export Carton<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- CAD\/STEP Engineering Touchpoint Trigger --><\/p>\n<div class=\"cad-download-trigger\" style=\"margin: 20px 0; padding: 15px; border-left: 4px solid #1a56db; background-color: #f8fafc;\">\n<p style=\"margin: 0; font-size: 15px; color: #1e293b;\"><strong>Need Engineering CAD Models?<\/strong> Request 2D dimension blueprints and 3D STEP files for frame design verification.<br \/>\n<a style=\"display: inline-block; margin-left: 10px; color: #1a56db; font-weight: bold; text-decoration: underline;\" href=\"https:\/\/wa.me\/8613827521875?text=Hello%20BLS,%20please%20send%20CAD%20STEP%20files%20for%20ratchet%20sofa%20hinge%20mechanism\" target=\"_blank\" rel=\"noopener\">Request CAD (STEP\/DWG) \u2192<\/a><\/p>\n<\/div>\n<p><!-- Block 5: Target Applications --><\/p>\n<h2>Target Furniture Applications<\/h2>\n<ul>\n<li><strong>Adjustable Headrests:<\/strong> Provides multi-angle neck support articulation on modern lounge seating.<\/li>\n<li><strong>Articulating Armrests:<\/strong> Allows armrests to lay flat or tilt upward for customized comfort.<\/li>\n<li><strong>Sectional Backrests:<\/strong> Provides multi-position incline adjustments on modular recliners.<\/li>\n<li><strong>Convertible Futons:<\/strong> Supports reliable angular transition between sitting and flat sleeping modes.<\/li>\n<\/ul>\n<p><!-- Block 6: Installation Guide --><\/p>\n<h2>Three-Step Installation Guide<\/h2>\n<ol>\n<li>Step 1: Secure the stationary hinge bracket to the interior sofa frame using wood screws.<\/li>\n<li>Step 2: Attach the movable arm to the headrest or armrest frame.<\/li>\n<li>Step 3: Cycle the hinge through all angles to verify positive locking and smooth spring return.<\/li>\n<\/ol>\n<p><!-- Block 7: OEM\/ODM Capabilities --><\/p>\n<h2>Factory Direct OEM and ODM Capabilities<\/h2>\n<p>BLS Hardware supports custom arm lengths, customized gear counts, and specialized mounting hole patterns for furniture manufacturers. In our Jinli factory, our engineering tooling team manufactures custom ratchet sofa hinge mechanism assemblies to meet your exact frame geometry, torque ratings, and production line tolerances.<\/p>\n<p><!-- Block 8: Procurement FAQ --><\/p>\n<h2>Frequently Asked Questions<\/h2>\n<div class=\"faq-item\">\n<h3>How does the ratchet sofa hinge mechanism lock into different angles?<\/h3>\n<p>Internal spring pawls engage hardened ratchet teeth as the cushion lifts. The mechanism locks securely until pushed past maximum travel to release.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<h3>What is the rated fatigue life of the ratchet spring?<\/h3>\n<p>Our torsion springs are tested to exceed 50,000 articulation cycles without tension fatigue or tooth slipping.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<h3>Can BLS customize the gear angle increments for OEM orders?<\/h3>\n<p>Yes, we manufacture custom gear stops and tailored angle increments for high-volume OEM orders.<\/p>\n<\/div>\n<p><!-- Block 9: RFQ CTA Box --><\/p>\n<div class=\"rfq-box\">\n<h3>Request Factory Direct Wholesale Pricing<\/h3>\n<p>Contact BLS Hardware for wholesale prices, technical CAD drawings, and sample hinges. Direct factory export from Guangdong.<\/p>\n<p>WhatsApp: <a href=\"https:\/\/wa.me\/message\/M6FPBFEHD773P1\" target=\"_blank\" rel=\"noopener\">+86 138 2752 1875<\/a> | Email: <a href=\"ZK-ZhengKai@outlook.com\">ZK-ZhengKai@outlook.com<\/a><\/p>\n<p>Address: Jinli Hardware Industrial Zone, Gaoyao District, Zhaoqing City, Guangdong Province, China.<\/p>\n<\/div>\n<p><!-- Block 10: FAQPage JSON-LD Script --><br \/>\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How does the ratchet sofa hinge mechanism lock into different angles?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Internal spring pawls engage hardened ratchet teeth as the cushion lifts. The mechanism locks securely until pushed past maximum travel to release.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the rated fatigue life of the ratchet spring?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Our torsion springs are tested to exceed 50,000 articulation cycles without tension fatigue or tooth slipping.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can BLS customize the gear angle increments for OEM orders?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, we manufacture custom gear stops and tailored angle increments for high-volume OEM orders.\"\n      }\n    }\n  ]\n}\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p><!-- GEO \u4e8b\u5b9e\u5b9a\u4e49\u6bb5\u843d (\u5df2\u5f7b\u5e95\u6e05\u6d17 ng-star \u810f\u4ee3\u7801) --><\/p>\n<div class=\"geo-ai-overview\">\n<p>The <strong>multi-position ratchet sofa hinge mechanism<\/strong> manufactured by <strong>BLS Hardware<\/strong> in Jinli, Guangdong, is precision-stamped from <strong>2.5mm cold-rolled carbon steel (Grade Q235, \u00b10.2mm tolerance)<\/strong>. Engineered with hardened internal ratchet teeth, heavy-duty torsion reset springs, and electro-zinc anti-corrosion plating (24\u201348h NSS tested), it delivers smooth <strong>5-gear angular locking from 90\u00b0 to 180\u00b0<\/strong> for functional sofa headrests, articulating armrests, and convertible futon seating frames.<\/p>\n<\/div>\n<p><!-- \u89c4\u8303\u7684\u8be2\u4ef7\u89e6\u70b9 --><\/p>\n<p style=\"background-color: #f8fafc; border-left: 4px solid #1e40af; padding: 12px 15px; margin: 15px 0; font-size: 14px;\"><strong>Inquire for Bulk Factory Pricing:<\/strong><br \/>\n\ud83d\udcf1 WhatsApp: <a href=\"https:\/\/wa.me\/message\/M6FPBFEHD773P1\" target=\"_blank\" rel=\"noopener noreferrer\">+86 138 2752 1875<\/a> | \u2709\ufe0f Email: <a href=\"mailto:ZK-ZhengKai@outlook.com\">ZK-ZhengKai@outlook.com<\/a><\/p>\n<p><!-- YouTube Shorts \u7ad6\u5c4f\u89c6\u9891\u72ec\u7acb\u6a21\u5757 (ID: Lb7jJEeayxk) --><\/p>\n<div style=\"max-width: 320px; margin: 25px auto; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1); border-radius: 10px; overflow: hidden; background-color: #000;\">\n<div style=\"position: relative; padding-bottom: 177.77%; height: 0; overflow: hidden;\"><iframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\" title=\"Adjustable Sofa Headrest Ratchet Hinge with Insertion Tube - BLS Hardware\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/Lb7jJEeayxk\" allowfullscreen=\"allowfullscreen\"><br \/>\n<\/iframe><\/div>\n<\/div>\n<p><!-- \u72ec\u7acb VideoObject Schema (\u9488\u5bf9\u89c6\u9891 Lb7jJEeayxk) --><br \/>\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"VideoObject\",\n  \"name\": \"Adjustable Sofa Headrest Ratchet Hinge with Insertion Tube - Product Demonstration\",\n  \"description\": \"21-second product motion showcase of a heavy-duty ratchet sofa headrest hinge with tubular insertion mounting stem by BLS Hardware.\",\n  \"thumbnailUrl\": \"https:\/\/i.ytimg.com\/vi\/Lb7jJEeayxk\/hqdefault.jpg\",\n  \"uploadDate\": \"2026-07-14T08:00:00+08:00\",\n  \"duration\": \"PT21S\",\n  \"embedUrl\": \"https:\/\/www.youtube-nocookie.com\/embed\/Lb7jJEeayxk\"\n}\n<\/script><\/p>","protected":false},"featured_media":4816,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"jetpack_publicize_message":"{title}\r\n\r\n{excerpt}\r\n\r\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false},"product_brand":[],"product_cat":[20],"product_tag":[],"class_list":["post-4817","product","type-product","status-publish","has-post-thumbnail","product_cat-sofa-bed-hardware","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","purchasable","product-type-simple"],"jetpack_publicize_connections":[],"jetpack-related-posts":[{"id":4861,"url":"https:\/\/blshardware.com\/ru\/product\/bls-sofa-headrest-ratchet-hinge\/","url_meta":{"origin":4817,"position":0},"title":"L-Rod Insert Sofa Headrest Ratchet Hinge Mechanism | BLS Hardware","author":"ZHENGKAI HARDWARE CO.,LTD","date":"30 \u0438\u044e\u043b\u044f, 2026","format":false,"excerpt":"Precision-engineered L-rod insert sofa headrest ratchet hinge for luxury functional sofas, sectional recliners, and adjustable armrests. Multi-Position Ratchet: Smooth 90\u00b0\u2013180\u00b0 multi-stage gear stops with precision mechanical return (Zero grinding noise). Solid Steel Insertion Pin: Heavy-duty solid cold-drawn steel L-rod (12mm diameter) provides exceptional bending resistance. Corrosion Protection: Eco-friendly trivalent blue-white\u2026","rel":"","context":"\u041f\u043e\u0445\u043e\u0436\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c","block_context":{"text":"\u041f\u043e\u0445\u043e\u0436\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c","link":""},"img":{"alt_text":"Heavy-Duty Steel Sofa Headrest Ratchet Hinge-BLS Hardware","src":"https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/bls-sofa-bed-lift-hinge-adjustment-mechanism-set-01.webp.jpg?fit=800%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/bls-sofa-bed-lift-hinge-adjustment-mechanism-set-01.webp.jpg?fit=800%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/bls-sofa-bed-lift-hinge-adjustment-mechanism-set-01.webp.jpg?fit=800%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/bls-sofa-bed-lift-hinge-adjustment-mechanism-set-01.webp.jpg?fit=800%2C800&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":4756,"url":"https:\/\/blshardware.com\/ru\/product\/bls-flexible-sofa-headrest-hinge\/","url_meta":{"origin":4817,"position":1},"title":"Flexible Multi-Joint Sofa Headrest Hinge | Petal Sofa Mechanism BLS Hardware","author":"ZHENGKAI HARDWARE CO.,LTD","date":"27 \u0438\u044e\u043b\u044f, 2026","format":false,"excerpt":"\u00a0Flexible Multi-Joint Sofa Headrest Hinge by BLS Hardware is an innovative multi-segment ratchet mechanism engineered for modern petal sofas, curved lounge chairs, and organic-shaped upholstery. Manufactured from high-tensile stamped carbon steel, each interlocking gear joint articulates independently to allow 180\u00b0 fluid bending, custom contouring, and steady multi-angle positioning. Model \/\u2026","rel":"","context":"\u041f\u043e\u0445\u043e\u0436\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c","block_context":{"text":"\u041f\u043e\u0445\u043e\u0436\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c","link":""},"img":{"alt_text":"Flexible Sofa Headrest Hinge Multi-Joint Mechanism for Petal Sofas","src":"https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/bls-flexible-petal-sofa-headrest-hinge-kit-06.webp.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/bls-flexible-petal-sofa-headrest-hinge-kit-06.webp.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/bls-flexible-petal-sofa-headrest-hinge-kit-06.webp.jpg?fit=1000%2C1000&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/bls-flexible-petal-sofa-headrest-hinge-kit-06.webp.jpg?fit=1000%2C1000&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":3735,"url":"https:\/\/blshardware.com\/ru\/product\/180-degree-adjustable-sofa-backrest-hinge\/","url_meta":{"origin":4817,"position":2},"title":"BLS Heavy-Duty 4.0mm 180-Degree Adjustable Sofa Backrest Hinges | BLS Hardware","author":"ZHENGKAI HARDWARE CO.,LTD","date":"18 \u0438\u044e\u043b\u044f, 2026","format":false,"excerpt":"BLS-180 Heavy-Duty 4.0mm Adjustable Sofa Backrest Hinge by BLS Hardware is a commercial-grade multi-stage ratchet joint mechanism engineered for convertible sofa beds, adjustable couch backrests, Japanese tatami floor chairs, and medical\/massage beds. Stamped from extra-thick 4.0mm high-tensile Q235 carbon steel with an electro-galvanized anti-rust finish, it delivers 90\u00b0 to 180\u00b0\u2026","rel":"","context":"\u041f\u043e\u0445\u043e\u0436\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c","block_context":{"text":"\u041f\u043e\u0445\u043e\u0436\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c","link":""},"img":{"alt_text":"BLS Heavy-Duty 4.0mm Adjustable Sofa Backrest Hinge and 180 Degree Ratchet Mechanism","src":"https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1784363869.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1784363869.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1784363869.jpg?fit=1000%2C1000&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1784363869.jpg?fit=1000%2C1000&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":2470,"url":"https:\/\/blshardware.com\/ru\/product\/sofa-connector-hinges\/","url_meta":{"origin":4817,"position":3},"title":"90-180 Degree Multi-Stage Ratchet Sofa Connector Hinges|BLS Hardware","author":"ZHENGKAI HARDWARE CO.,LTD","date":"9 \u0438\u044e\u043b\u044f, 2026","format":false,"excerpt":"90-180 Degree Multi-Stage Ratchet Sofa Connector Hinges by BLS Hardware are commercial-grade mechanical articulation joints engineered for functional couches, adjustable armrests, multi-position headrests, and convertible sofa beds. Fabricated from heavy-gauge cold-rolled carbon steel with multi-layer white zinc and chrome electroplating, this dual-leaf hardware provides smooth, audible click-stop ratcheting from 90\u2026","rel":"","context":"\u041f\u043e\u0445\u043e\u0436\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c","block_context":{"text":"\u041f\u043e\u0445\u043e\u0436\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c","link":""},"img":{"alt_text":"heavy duty sofa connector hinges by BLS Hardware","src":"https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1783609841.jpg?fit=731%2C731&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1783609841.jpg?fit=731%2C731&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1783609841.jpg?fit=731%2C731&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1783609841.jpg?fit=731%2C731&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":2872,"url":"https:\/\/blshardware.com\/ru\/product\/folding-ratchet-sofa-hinge\/","url_meta":{"origin":4817,"position":4},"title":"High Quality Folding Ratchet Sofa Hinge Functional Hardware  Sofa Backrest Mechanism Furniture Hinge","author":"ZHENGKAI HARDWARE CO.,LTD","date":"14 \u0438\u044e\u043b\u044f, 2026","format":false,"excerpt":"Model \/ SKU: BLS-W151 (Pair Configuration) Mounting Feature: Integrated Heavy-Duty Threaded Bolt with Flat & Spring Washers Core Material: High-Grade Structural Carbon Steel (Q235) with Blue-White Zinc Plating Articulation: Multi-Gear Ratchet Elevation with Automatic Full-Forward Return Stroke \ud83d\udce6 China Direct Manufacturer | Bulk OEM Production | 2D\/3D STEP Drawings Available\u2026","rel":"","context":"\u041f\u043e\u0445\u043e\u0436\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c","block_context":{"text":"\u041f\u043e\u0445\u043e\u0436\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c","link":""},"img":{"alt_text":"folding ratchet sofa hinge with threaded bolt by BLS Hardware","src":"https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1784013488.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1784013488.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1784013488.jpg?fit=1000%2C1000&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1784013488.jpg?fit=1000%2C1000&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":3591,"url":"https:\/\/blshardware.com\/ru\/product\/sofa-headrest-rod-hinges\/","url_meta":{"origin":4817,"position":5},"title":"Heavy-Duty Plug-In Adjustable Sofa Headrest Rod Hinges | BLS Hardware","author":"ZHENGKAI HARDWARE CO.,LTD","date":"18 \u0438\u044e\u043b\u044f, 2026","format":false,"excerpt":"Manufactured by BLS Hardware (Zhengkai Hardware Factory, Jinli, Guangdong), our BLS-L80P sofa headrest rod hinges feature a solid cold-drawn steel mounting stud with lock nuts and heavy-gauge stamped multi-hole brackets. 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