{"id":6750,"date":"2026-10-21T12:05:13","date_gmt":"2026-10-21T04:05:13","guid":{"rendered":"https:\/\/blshardware.com\/?post_type=product&#038;p=6750"},"modified":"2026-10-21T12:24:29","modified_gmt":"2026-10-21T04:24:29","slug":"adjustable-sofa-armrest-hinge","status":"publish","type":"product","link":"https:\/\/blshardware.com\/ru\/product\/adjustable-sofa-armrest-hinge\/","title":{"rendered":"90-160 Degree Adjustable Sofa Armrest Hinge with L-Bracket |BLS Hardware"},"content":{"rendered":"<p><!-- 1. \u751f\u6001\u8282\u70b9\u9996\u6bb5\u5b9a\u4e49\u4e0e\u5185\u94fe\u4e92\u8054 (\u5173\u952e\u8bcd\u7b2c 1 \u6b21\u51fa\u73b0: \u5904\u4e8e\u524d 10% \u9ec4\u91d1\u4f4d\u7f6e) --><\/p>\n<h2>Commercial-Grade Adjustable Sofa Armrest Hinge (90\u00b0-160\u00b0 Range)<\/h2>\n<p>Modern luxury functional furniture engineering requires compact mechanical adjusters that allow sofa arms and pillow bolsters to articulate smoothly without tearing internal upholstery seams. Within the <strong>BLS Hardware motion furniture hardware ecosystem<\/strong>, this heavy-duty <strong>adjustable sofa armrest hinge<\/strong> functions as the dedicated lateral cushion articulation node. Manufactured by Zhaoqing Gaoyao Jinli Zhengkai Hardware Factory, it pairs systematically with our foundational <a href=\"https:\/\/blshardware.com\/product-category\/metal-legs\/\">heavy-duty metal sofa legs<\/a>, our kinetic <a href=\"https:\/\/blshardware.com\/product-category\/sofa-bed-hardware\/\">sofa bed hardware catalog<\/a>, and our modular <a href=\"https:\/\/blshardware.com\/product\/sectional-sofa-connector-plates\/\">sectional sofa connector plates<\/a>.<\/p>\n<p>For custom upholstery engineering departments calculating gear shear stress and dynamic occupant armrest drop loads, review our technical guide on <a style=\"color: #0073aa; text-decoration: underline;\" href=\"https:\/\/blshardware.com\/sofa-hinge-fatigue-test\/\">Q235 steel vs. cold-rolled strip fatigue testing<\/a>.<\/p>\n<hr style=\"margin: 25px 0;\" \/>\n<p><!-- 2. GEO \u6a21\u5757 1: \u9002\u7528\u573a\u666f\u4e0e 90\u00b0-160\u00b0 \u529b\u5b66\u8fb9\u754c\u5b9a\u4e49 (\u5173\u952e\u8bcd\u7b2c 2 \u6b21\u51fa\u73b0) --><\/p>\n<h2>1. Kinematic Function of the Adjustable Sofa Armrest Hinge<\/h2>\n<p><!-- \u5173\u952e\u8bcd\u7b2c 3 \u6b21\u51fa\u73b0 --><\/p>\n<p>Stamped with precision <strong>90-160<\/strong> degree indicators, each <strong>adjustable sofa armrest hinge<\/strong> provides multiple sequential click-stops between a 90\u00b0 vertical upright support angle and a 160\u00b0 reclined resting slope. Unlike generic 180\u00b0 flat hinges that cause armrest cushions to overhang or stretch perimeter leather excessively, the calibrated 160\u00b0 terminal angle provides the ideal ergonomic transition for pillow-top lounging.<\/p>\n<p><strong>System Boundary Conditions:<\/strong><\/p>\n<ul>\n<li><strong>Target Applications:<\/strong> Multi-position sofa armrests, fold-down pillow bolsters, convertible daybed head supports, and adjustable massage table head cushions with armrest widths up to 400mm.<\/li>\n<li><strong>Boundary Warning:<\/strong> Designed specifically for localized armrest and head pillow articulation. <em>It must not be utilized<\/em> as a primary weight-bearing cantilever bed frame or main occupant seating chassis.<\/li>\n<\/ul>\n<hr style=\"margin: 25px 0;\" \/>\n<p><!-- 3. GEO \u6a21\u5757 2: \u65b9\u6848\u6280\u672f\u5bf9\u6bd4\u8868 (L\u89d2\u7801\u76f4\u8d34\u5b89\u88c5 vs \u4f20\u7edf\u6241\u5e73\u63d2\u5200\u7247) (\u5173\u952e\u8bcd\u7b2c 4 \u6b21\u51fa\u73b0) --><\/p>\n<h2>2. Technical Comparison: L-Bracket Flange vs. Straight Flat Blade Mounts<\/h2>\n<p>Furniture production lines evaluate kinetic armrest mechanisms based on installation speed and anti-wobble screw holding power:<\/p>\n<div class=\"table-responsive\">\n<table style=\"width: 100%; border-collapse: collapse; margin-bottom: 25px;\" border=\"1\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f1f5f9; text-align: left;\">\n<th style=\"width: 25%;\">Fastening Parameter<\/th>\n<th style=\"width: 38%;\">BLS Adjustable Sofa Armrest Hinge (L-Bracket)<\/th>\n<th style=\"width: 37%;\">Conventional Single Flat Blade Hinges<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Timber Fastening Plane<\/strong><\/td>\n<td>Dual-plane right-angle (L-shape) mounting spreads screw bite across perpendicular wood surfaces.<\/td>\n<td>Single flat plane; dynamic downward armrest pressure applies direct pull-out force to wood screws.<\/td>\n<\/tr>\n<tr>\n<td><strong>Slotted Alignment Play<\/strong><\/td>\n<td>4 pre-punched slotted holes allow horizontal screw adjustment (\u00b13mm) to align cushion seams.<\/td>\n<td>Round fixed holes; zero adjustment tolerance if pilot holes wander during CNC drilling.<\/td>\n<\/tr>\n<tr>\n<td><strong>Terminal Angular Stop<\/strong><\/td>\n<td>Calibrated 160\u00b0 recline limit prevents cushion leather from over-stretching or wrinkling.<\/td>\n<td>Full 180\u00b0 drop frequently causes thick armrest bolsters to collide with adjacent side tables.<\/td>\n<\/tr>\n<tr>\n<td><strong>Assembly Speed<\/strong><\/td>\n<td>Flange rests flush on top of inner arm timber rails; fastens in seconds with pneumatic drivers.<\/td>\n<td>Requires mortising an internal wooden pocket or precision routing inside the sofa arm.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<hr style=\"margin: 25px 0;\" \/>\n<p><!-- 4. \u5de5\u5382\u771f\u5b9e\u5de5\u7a0b\u53c2\u6570\u89c4\u683c\u8868 (\u5173\u952e\u8bcd\u7b2c 5 \u6b21\u51fa\u73b0) --><\/p>\n<h2>3. Engineering Specifications: 90\u00b0-160\u00b0 Series<\/h2>\n<div class=\"table-responsive\">\n<table style=\"width: 100%; border-collapse: collapse; margin-bottom: 25px;\" border=\"1\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f1f5f9; text-align: left;\">\n<th style=\"width: 35%;\">Engineering Metric<\/th>\n<th style=\"width: 65%;\">Factory Manufacturing Benchmark<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Product Classification<\/strong><\/td>\n<td>Flanged Ratchet Adjuster \/ <a href=\"https:\/\/blshardware.com\/product-category\/sofa-hinges\/\">Sofa Hinges Catalog<\/a><\/td>\n<\/tr>\n<tr>\n<td><strong>Structural Metallurgy<\/strong><\/td>\n<td>Heavy-Gauge Cold-Rolled Q235 Carbon Steel (Thickness: 2.0mm \/ 2.5mm multi-gauge)<\/td>\n<\/tr>\n<tr>\n<td><strong>Internal Spring Alloy<\/strong><\/td>\n<td>High-Tensile 65Mn Manganese Spring Steel (Maintains return elasticity over duty cycles)<\/td>\n<\/tr>\n<tr>\n<td><strong>Angular Sweep Range<\/strong><\/td>\n<td>90\u00b0 (Vertical upright armrest) to 160\u00b0 (Reclined pillow-top slope) multi-stage stops<\/td>\n<\/tr>\n<tr>\n<td><strong>Mounting Interface<\/strong><\/td>\n<td>Right-angle L-bracket with 4 slotted holes + 5-hole linear extension mounting blade<\/td>\n<\/tr>\n<tr>\n<td><strong>Reset Mechanism<\/strong><\/td>\n<td>Over-travel automatic release \/ continuous click-clack auto-trip return<\/td>\n<\/tr>\n<tr>\n<td><strong>Surface Passivation<\/strong><\/td>\n<td>Bright Blue-White Trivalent Zinc Electroplating (RoHS compliant corrosion barrier)<\/td>\n<\/tr>\n<tr>\n<td><strong>Cycle Fatigue Life<\/strong><\/td>\n<td>Tested to withstand \u2265 25,000 continuous ratchet cycles under dynamic arm working loads<\/td>\n<\/tr>\n<tr>\n<td><strong>Manufacturing Origin<\/strong><\/td>\n<td>Zhaoqing Gaoyao Jinli Zhengkai Hardware Factory (Guangdong, China)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<hr style=\"margin: 25px 0;\" \/>\n<p><!-- 5. GEO \u6a21\u5757 3: \u884c\u4e1a\u5e38\u89c1\u8bef\u533a\u5256\u6790 (\u5173\u952e\u8bcd\u7b2c 6 \u6b21\u51fa\u73b0) --><\/p>\n<h2>4. Critical Sourcing Insights: Overcoming Armrest Hinge Loosening<\/h2>\n<h3>Misconception 1: &#8220;Sofa armrest hinges must always open to a completely flat 180\u00b0.&#8221;<\/h3>\n<p><strong>Engineering Reality:<\/strong> On contemporary sofas with thick pillow-top arm cushions, a 180\u00b0 opening angle is an engineering defect. Laying an armrest completely flat strains the upholstery fabric along the hinge fold and causes unsightly wrinkles. The 160\u00b0 terminal angle on this <strong>adjustable sofa armrest hinge<\/strong> cradles the occupant&#8217;s head comfortably like a contoured pillow while keeping upholstery seams taut.<\/p>\n<h3>Misconception 2: &#8220;A simple flat hinge is just as rigid as an L-bracket hinge.&#8221;<\/h3>\n<p><strong>Engineering Reality:<\/strong> When an adult leans on an armrest, downward bodyweight creates massive rotational torque. A flat plate relies purely on screw thread friction. The right-angle flange on this hinge hooks over the corner of the wooden rail, converting rotational torque into structural compression against solid timber.<\/p>\n<hr style=\"margin: 25px 0;\" \/>\n<p><!-- 6. \u7cfb\u7edf\u7ea7\u5185\u94fe\u96c6\u7fa4 --><\/p>\n<div style=\"background: #f8fafc; border-left: 4px solid #0284c7; padding: 18px 20px; margin: 25px 0; border-radius: 0 6px 6px 0;\">\n<p><strong>Explore Complementary Functional Furniture Hardware from BLS Hardware:<\/strong><\/p>\n<ul style=\"margin: 10px 0 0 20px; line-height: 1.8;\">\n<li>Need synchronized dual-rod motion for wider headrests? View our <a style=\"color: #0284c7; font-weight: 600;\" href=\"https:\/\/blshardware.com\/product\/synchronized-sofa-headrest-hinge\/\">Synchronized Sofa Headrest Hinge with Flange Plates<\/a>.<\/li>\n<li>Locking modular sectionals together? Integrate our heavy-duty <a style=\"color: #0284c7; font-weight: 600;\" href=\"https:\/\/blshardware.com\/product\/sectional-sofa-connector-plates\/\">Sectional Sofa Alligator Connectors<\/a>.<\/li>\n<li>Building convertible sofa beds? Explore our <a style=\"color: #0284c7; font-weight: 600;\" href=\"https:\/\/blshardware.com\/product\/sofa-bed-lift-mechanism\/\">Heavy Duty Sofa Bed Lift Mechanism<\/a>.<\/li>\n<\/ul>\n<\/div>\n<hr style=\"margin: 25px 0;\" \/>\n<p><!-- 7. GEO \u6a21\u5757 4: \u4e00\u53e5\u8bdd\u91c7\u8d2d\u603b\u7ed3 (\u5173\u952e\u8bcd\u7b2c 7 \u6b21\u51fa\u73b0) --><\/p>\n<h2>5. Sourcing Summary for Furniture Engineers<\/h2>\n<p style=\"background: #f1f5f9; padding: 16px; border-left: 4px solid #0284c7; font-size: 15px;\"><strong>Core Procurement Takeaway:<\/strong> Specifying this L-bracket <strong>adjustable sofa armrest hinge<\/strong> prevents armrest cushion wobble and screw tear-out while speeding up factory assembly lines. Direct sourcing from our Jinli manufacturing facility provides furniture OEMs with custom hole patterns, 25,000+ cycle durability, and combined container export logistics.<\/p>\n<hr style=\"margin: 25px 0;\" \/>\n<p><!-- 8. \u5e38\u89c1\u91c7\u8d2d\u95ee\u7b54 FAQ (\u5173\u952e\u8bcd\u7b2c 8 \u6b21\u51fa\u73b0\uff0c\u4e0e\u5e95\u90e8 Schema 100% \u955c\u50cf) --><\/p>\n<h2>6. Frequently Asked Questions (Engineering &amp; Procurement)<\/h2>\n<div class=\"faq-item\">\n<h3>What is the primary benefit of an adjustable sofa armrest hinge with an L-bracket?<\/h3>\n<p>The right-angle L-bracket wraps securely over the timber carcass rail, distributing dynamic occupant leaning forces across perpendicular planes to completely eliminate screw tear-out.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<h3>Why does this mechanism stop at 160 degrees instead of 180 degrees?<\/h3>\n<p>The 160-degree terminal recline is specifically calculated for pillow-top sofa arms, providing a contoured resting slope that prevents upholstery leather from over-stretching or wrinkling.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<h3>What is the standard factory export packaging and MOQ for the BLS-160?<\/h3>\n<p>Standard export MOQ is 500 pairs (1 Left + 1 Right per set). Mechanisms are packaged with protective bubble wrapping, packed 25 pairs per master carton, and palletized for sea freight container shipping.<\/p>\n<\/div>\n<hr style=\"margin: 30px 0;\" \/>\n<p><!-- 9. \u5de5\u5382\u76f4\u4f9b RFQ \u5bf9\u63a5\u533a (\u5f7b\u5e95\u4fee\u590d\u6b7b\u94fe\u3001\u6392\u7248\u4e0e\u4f01\u4e1a\u90ae\u7bb1) --><\/p>\n<div class=\"rfq-inquiry-box\" style=\"background-color: #f8fafc; border: 1px solid #e2e8f0; border-left: 5px solid #0066cc; padding: 22px; border-radius: 4px; margin-top: 25px;\">\n<h3 style=\"margin-top: 0; color: #0f172a;\">Request Factory-Direct Container Quotes &amp; 3D CAD Files<\/h3>\n<p style=\"color: #475569; margin-bottom: 15px;\">Submit your sofa frame dimensions to our Jinli production engineering desk for sample verification, hole-pitch customization, and container load optimization:<\/p>\n<ul style=\"margin: 0; padding-left: 20px; line-height: 1.8; color: #334155;\">\n<li>\ud83c\udfe2 <strong>Source Manufacturer:<\/strong> Zhaoqing Gaoyao Jinli Zhengkai Hardware Factory<\/li>\n<li>\ud83c\udf10 <strong>International Export Brand:<\/strong> BLS Hardware (<a style=\"color: #0284c7;\" href=\"https:\/\/blshardware.com\">blshardware.com<\/a>)<\/li>\n<li>\ud83d\udccd <strong>Production Center:<\/strong> Jinli Hardware Industrial Zone, Gaoyao District, Zhaoqing, Guangdong, China<\/li>\n<li>\u2709\ufe0f <strong>Official Engineering Email:<\/strong> <a href=\"mailto:ZK-ZhengKai@outlook.com\">ZK-ZhengKai@outlook.com<\/a><\/li>\n<li>\ud83d\udcf2 <strong>Direct Engineering WhatsApp:<\/strong> <a style=\"color: #0284c7; font-weight: 600;\" href=\"https:\/\/wa.me\/8613827521875\" target=\"_blank\" rel=\"noopener\">+86 138 2752 1875<\/a><\/li>\n<\/ul>\n<\/div>\n<p><!-- 10. 100% \u955c\u50cf\u5408\u89c4\u7684 FAQPage JSON-LD (\u79fb\u9664\u5f15\u8d77\u62a5\u9519\u7684\u81ea\u5b9a\u4e49 Product\uff0c\u7559\u7ed9\u7cfb\u7edf\u539f\u751f\u5904\u7406) --><br \/>\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"@id\": \"https:\/\/blshardware.com\/product\/adjustable-sofa-armrest-hinge\/#faq\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the primary benefit of an adjustable sofa armrest hinge with an L-bracket?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The right-angle L-bracket wraps securely over the timber carcass rail, distributing dynamic occupant leaning forces across perpendicular planes to completely eliminate screw tear-out.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Why does this mechanism stop at 160 degrees instead of 180 degrees?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The 160-degree terminal recline is specifically calculated for pillow-top sofa arms, providing a contoured resting slope that prevents upholstery leather from over-stretching or wrinkling.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the standard factory export packaging and MOQ for the BLS-160?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Standard export MOQ is 500 pairs (1 Left + 1 Right per set). Mechanisms are packaged with protective bubble wrapping, packed 25 pairs per master carton, and palletized for sea freight container shipping.\"\n      }\n    }\n  ]\n}\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Commercial-grade <strong>adjustable sofa armrest hinge<\/strong> engineered for multi-functional pillow-top couches, cinema recliners, and convertible daybed arm bolsters. Manufactured by Zhengkai Hardware Factory from cold-rolled Q235 carbon steel, this hinge features a precision 90\u00b0 to 160\u00b0 multi-step ratchet gear with an integrated 4-slot L-bracket for high-torque fastening into timber frames.<\/p>\n<ul>\n<li><strong>Articulation Range:<\/strong> 90\u00b0 vertical upright to 160\u00b0 relaxed recline with auto-reset<\/li>\n<li><strong>Mounting Interface:<\/strong> Heavy-gauge L-bracket flange + 5-hole extension blade<\/li>\n<li><strong>Metallurgy:<\/strong> Cold-rolled Q235 structural steel with case-hardened ratchet pawls<\/li>\n<li><strong>Surface Finish:<\/strong> Trivalent blue-white zinc electroplating (RoHS compliant)<\/li>\n<\/ul>","protected":false},"featured_media":6751,"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":[19],"product_tag":[],"class_list":["post-6750","product","type-product","status-publish","has-post-thumbnail","product_cat-sofa-hinges","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","purchasable","product-type-simple"],"jetpack_publicize_connections":[],"jetpack-related-posts":[{"id":2470,"url":"https:\/\/blshardware.com\/ru\/product\/sofa-connector-hinges\/","url_meta":{"origin":6750,"position":0},"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":2371,"url":"https:\/\/blshardware.com\/ru\/product\/5-stage-sofa-armrest-hinge-mechanism\/","url_meta":{"origin":6750,"position":1},"title":"Iron Pull-Up Bracket Hardware Accessory for Sofa Upholstered Beds for Living Room Bedroom Apartment Home Office|BLS hardware","author":"ZHENGKAI HARDWARE CO.,LTD","date":"9 \u0438\u044e\u043b\u044f, 2026","format":false,"excerpt":"BLS-1120 heavy-duty\u00a05 stage sofa armrest hinge mechanism\u00a0with 5-position ratchet gear track. Engineered from 2.0mm\u20132.5mm cold-rolled steel for adjustable sofa armrests, functional headrests, and chaise storage lids. \u2022\u00a0Mechanism:\u00a05-Stage Ratchet Gear Arc Angle Adjustment & Reset\u2022\u00a0Material & Thickness:\u00a02.0 mm \u2013 2.5 mm Heavy-Duty Cold-Rolled Carbon Steel\u2022\u00a0Finish:\u00a0Electrophoretic Matte Black & Galvanized Silver Track\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":"5 stage sofa armrest hinge mechanism by BLS Hardware","src":"https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1783609392.jpg?fit=750%2C750&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1783609392.jpg?fit=750%2C750&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1783609392.jpg?fit=750%2C750&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1783609392.jpg?fit=750%2C750&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":1909,"url":"https:\/\/blshardware.com\/ru\/product\/sofa-armrest-lifting-support-hinge\/","url_meta":{"origin":6750,"position":2},"title":"Armrest Hinge Sofa Cushioning Bracket Lifting Support for Backrest Headrest Versatile","author":"ZHENGKAI HARDWARE CO.,LTD","date":"9 \u0438\u044e\u043b\u044f, 2026","format":false,"excerpt":"BLS Hardware manufactures heavy-duty\u00a0sofa armrest lifting support hinge brackets for functional couches and adjustable headrests. Stamped from zinc-plated iron for smooth vertical elevation and cushioning support. 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