[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"cms:site-setting":3,"cms:nav:1":28,"cms:nav:2":221,"cms:article:get:door-closer-backcheck-opening-stop":342,"cms:banner:news":365},{"company_name":4,"company_short_name":5,"company_en_name":6,"slogan":7,"slogan_sub":8,"icp":9,"copyright":10,"culture_headline":11,"culture_lines":12,"phone":13,"email":14,"address":15,"map_lng":16,"map_lat":16,"seo_title":17,"qq":18,"seo_keywords":19,"service_hours":20,"seo_description":21,"consult_enabled":22,"site_url":23,"logo":16,"logo_white":16,"favicon":16,"wechat_qrcode":16,"about_image":16,"wechat_qrcodes":24,"qq_qrcodes":25,"mp_qrcodes":26,"public_security_record":27},"深圳市建中五金制品有限公司","深圳建中","Shenzhen Jianzhong Hardware Products Co., Ltd.","精工制造 · 品质门业","专注卷闸门、伸缩门、快速门、车库门研发、生产与安装","粤ICP备2026140884号-1","Copyright © 深圳市建中五金制品有限公司 版权所有","把门做好，把承诺落到实处","先了解现场与使用需求，再沟通合适的门类方案\n把配置、费用与交付范围讲清楚\n稳健经营，认真对待每一份托付\n把保修约定写明白，让售后沟通有依据","17512068431","lantis@sunlam.cn","深圳市龙华区龙华街道华联社区鲤鱼塘45号106","","深圳市建中五金制品有限公司 - 卷闸门_电动伸缩门_快速门_车库门厂家","388815810","卷闸门厂家,电动伸缩门,快速卷帘门,水晶卷帘门,翻板车库门,防火门,深圳门业","周一至周六 9:00-18:00","深圳市建中五金制品有限公司是深圳门业生产厂家，专业定制卷闸门、折叠门、电动伸缩门、玻璃门、快速门、防火门、车库门，提供测量、设计、生产、安装、维保一站式服务。","1","https:\u002F\u002Fwww.shenzhenjianzhong.com","[{\"name\":\"客服1\",\"image\":\"https:\u002F\u002Fimg.shenzhenjianzhong.com\u002Fpublished\u002Fmedia\u002F20260921\u002F178998293433431649\u002F4970a852922b7116c10e8563816d7f87.webp\"}]","[{\"name\":\"客服1\",\"image\":\"https:\u002F\u002Fimg.shenzhenjianzhong.com\u002Fpublished\u002Fmedia\u002F20260921\u002F178998286632842965\u002F8fb0bb024dc7808591f93e5108c491bf.webp\"}]","[{\"name\":\"客服1\",\"image\":\"https:\u002F\u002Fimg.shenzhenjianzhong.com\u002Fpublished\u002Fmedia\u002F20260921\u002F178998167023616739\u002F%E5%BB%BA%E4%B8%AD%E8%AF%B4.webp\"}]","粤公网安备44030002017623号",[29,35,53,206,211,216],{"id":30,"name":31,"path":32,"target":33,"children":34},1,"首页","\u002F","_self",[],{"id":36,"name":37,"path":38,"target":33,"children":39},2,"新闻资讯","\u002Fnews",[40,45,49],{"id":41,"name":42,"path":43,"target":33,"children":44},null,"行业新闻","\u002Fnews\u002Fc\u002Findustry",[],{"id":41,"name":46,"path":47,"target":33,"children":48},"技术问答专区","\u002Fnews\u002Fc\u002Fqa",[],{"id":41,"name":50,"path":51,"target":33,"children":52},"产品FAQ","\u002Fnews\u002Fc\u002Ffaq",[],{"id":54,"name":55,"path":56,"target":33,"children":57},3,"产品中心","\u002Fproducts",[58,74,94,114,138,162,186],{"id":41,"name":59,"path":60,"target":33,"children":61},"卷闸门","\u002Fproducts\u002Fc\u002Froller-shutter",[62,66,70],{"id":41,"name":63,"path":64,"target":33,"children":65},"水晶卷闸门","\u002Fproducts\u002Fc\u002Fshui-jing-juan-zha-men-mtjym7xi5yin",[],{"id":41,"name":67,"path":68,"target":33,"children":69},"铝合金卷闸门","\u002Fproducts\u002Fc\u002Flv-he-jin-juan-zha-men-mtk5xkvvquei",[],{"id":41,"name":71,"path":72,"target":33,"children":73},"通花卷闸门","\u002Fproducts\u002Fc\u002Ftong-hua-juan-zha-men-mtk5ynlmr1xw",[],{"id":41,"name":75,"path":76,"target":33,"children":77},"折叠门","\u002Fproducts\u002Fc\u002Ffolding",[78,82,86,90],{"id":41,"name":79,"path":80,"target":33,"children":81},"铝合金玻璃折叠门","\u002Fproducts\u002Fc\u002Flv-he-jin-bo-li-zhe-die-men-mtk60nwo90ta",[],{"id":41,"name":83,"path":84,"target":33,"children":85},"PC水晶折叠门","\u002Fproducts\u002Fc\u002Fshui-jing-zhe-die-men-mtk61955t3g2",[],{"id":41,"name":87,"path":88,"target":33,"children":89},"庭院折叠大门","\u002Fproducts\u002Fc\u002Ffolding-driveway-gates",[],{"id":41,"name":91,"path":92,"target":33,"children":93},"工业侧向折叠门","\u002Fproducts\u002Fc\u002Findustrial-side-folding-doors",[],{"id":41,"name":95,"path":96,"target":33,"children":97},"伸缩门","\u002Fproducts\u002Fc\u002Fretractable",[98,102,106,110],{"id":41,"name":99,"path":100,"target":33,"children":101},"铝合金伸缩门","\u002Fproducts\u002Fc\u002Fhao-hua-lv-he-jin-xi-lie-mtk5676dv68o",[],{"id":41,"name":103,"path":104,"target":33,"children":105},"不锈钢伸缩门","\u002Fproducts\u002Fc\u002Fjing-pao-bu-xiu-gang-xi-lie-mtk570qezm4g",[],{"id":41,"name":107,"path":108,"target":33,"children":109},"分段平移门","\u002Fproducts\u002Fc\u002Fzhi-xian-xing-shen-suo-men-xi-lie-mtk5acdan2o0",[],{"id":41,"name":111,"path":112,"target":33,"children":113},"悬臂平移门","\u002Fproducts\u002Fc\u002Fpu-tong-shen-suo-men-xi-lie-mtk595zysy74",[],{"id":41,"name":115,"path":116,"target":33,"children":117},"玻璃门","\u002Fproducts\u002Fc\u002Fglass",[118,122,126,130,134],{"id":41,"name":119,"path":120,"target":33,"children":121},"平开与枢轴玻璃门","\u002Fproducts\u002Fc\u002Fgang-hua-bo-li-men-mtk6ahzqroeo",[],{"id":41,"name":123,"path":124,"target":33,"children":125},"手动推拉玻璃门","\u002Fproducts\u002Fc\u002Fmanual-sliding-glass-doors",[],{"id":41,"name":127,"path":128,"target":33,"children":129},"断桥系统玻璃门","\u002Fproducts\u002Fc\u002Ftu-ceng-du-mo-bo-li-xi-lie-mtkkkfwna7nx",[],{"id":41,"name":131,"path":132,"target":33,"children":133},"自动玻璃门","\u002Fproducts\u002Fc\u002Fchuan-gan-qi-bo-li-xi-lie-mtkkm89k7ahe",[],{"id":41,"name":135,"path":136,"target":33,"children":137},"装饰玻璃入户门","\u002Fproducts\u002Fc\u002Fzhuang-shi-bo-li-men-mtkki83uc3xz",[],{"id":41,"name":139,"path":140,"target":33,"children":141},"快速门","\u002Fproducts\u002Fc\u002Fhigh-speed",[142,146,150,154,158],{"id":41,"name":143,"path":144,"target":33,"children":145},"PVC快速卷帘门","\u002Fproducts\u002Fc\u002Fp-v-c-xi-lie-mtkkvuka7z41",[],{"id":41,"name":147,"path":148,"target":33,"children":149},"背带堆积快速门","\u002Fproducts\u002Fc\u002Fstrap-stacking-high-speed-doors",[],{"id":41,"name":151,"path":152,"target":33,"children":153},"硬质快速门","\u002Fproducts\u002Fc\u002Fwo-lun-ying-zhi-xi-lie-mtkkz5rhwyxx",[],{"id":41,"name":155,"path":156,"target":33,"children":157},"冷库保温快速门","\u002Fproducts\u002Fc\u002Fleng-ku-bao-wen-xi-lie-mtkl2aov7vfy",[],{"id":41,"name":159,"path":160,"target":33,"children":161},"设备联动快速门","\u002Fproducts\u002Fc\u002Fmachine-interlock-high-speed-doors",[],{"id":41,"name":163,"path":164,"target":33,"children":165},"防火门","\u002Fproducts\u002Fc\u002Ffireproof",[166,170,174,178,182],{"id":41,"name":167,"path":168,"target":33,"children":169},"钢质防火门","\u002Fproducts\u002Fc\u002Fgang-zhi-xi-lie-mtkq7z4nw62e",[],{"id":41,"name":171,"path":172,"target":33,"children":173},"木质防火门","\u002Fproducts\u002Fc\u002Fmu-zhi-xi-lie-mtkq6cvun316",[],{"id":41,"name":175,"path":176,"target":33,"children":177},"钢木质防火门","\u002Fproducts\u002Fc\u002Fgang-mu-zhi-xi-lie-mtkqabmxozyw",[],{"id":41,"name":179,"path":180,"target":33,"children":181},"玻璃防火门","\u002Fproducts\u002Fc\u002Fglazed-fire-doors",[],{"id":41,"name":183,"path":184,"target":33,"children":185},"防火卷帘","\u002Fproducts\u002Fc\u002Ffire-rolling-shutters",[],{"id":41,"name":187,"path":188,"target":33,"children":189},"车库门","\u002Fproducts\u002Fc\u002Fgarage",[190,194,198,202],{"id":41,"name":191,"path":192,"target":33,"children":193},"分节提升车库门","\u002Fproducts\u002Fc\u002Ffan-ban-xi-lie-mtkqk0q3ry2g",[],{"id":41,"name":195,"path":196,"target":33,"children":197},"侧滑车库门","\u002Fproducts\u002Fc\u002Fqi-ta-che-ku-men-lei-bie-qing-kan-juan-lian-men-huo-zhe-kuai-mtkqmgyo0ixu",[],{"id":41,"name":199,"path":200,"target":33,"children":201},"整体上翻车库门","\u002Fproducts\u002Fc\u002Fone-piece-up-and-over-garage-doors",[],{"id":41,"name":203,"path":204,"target":33,"children":205},"侧向折叠车库门","\u002Fproducts\u002Fc\u002Fside-folding-garage-doors",[],{"id":207,"name":208,"path":209,"target":33,"children":210},4,"经典案例","\u002Fcases",[],{"id":212,"name":213,"path":214,"target":33,"children":215},5,"关于深圳建中","\u002Fabout",[],{"id":217,"name":218,"path":219,"target":33,"children":220},6,"联系我们","\u002Fcontact",[],[222,250,259,336,339],{"id":223,"name":213,"path":214,"target":33,"children":224},11,[225,230,235,240,245],{"id":226,"name":227,"path":228,"target":33,"children":229},12,"公司简介","\u002Fabout#intro",[],{"id":231,"name":232,"path":233,"target":33,"children":234},13,"发展历程","\u002Fabout#history",[],{"id":236,"name":237,"path":238,"target":33,"children":239},14,"企业文化","\u002Fabout#culture",[],{"id":241,"name":242,"path":243,"target":33,"children":244},15,"资质荣誉","\u002Fabout#honor",[],{"id":246,"name":247,"path":248,"target":33,"children":249},16,"合作伙伴","\u002Fabout#partner",[],{"id":251,"name":37,"path":38,"target":33,"children":252},17,[253,255,257],{"id":41,"name":42,"path":43,"target":33,"children":254},[],{"id":41,"name":46,"path":47,"target":33,"children":256},[],{"id":41,"name":50,"path":51,"target":33,"children":258},[],{"id":260,"name":55,"path":56,"target":33,"children":261},18,[262,270,280,290,302,314,326],{"id":41,"name":59,"path":60,"target":33,"children":263},[264,266,268],{"id":41,"name":63,"path":64,"target":33,"children":265},[],{"id":41,"name":67,"path":68,"target":33,"children":267},[],{"id":41,"name":71,"path":72,"target":33,"children":269},[],{"id":41,"name":75,"path":76,"target":33,"children":271},[272,274,276,278],{"id":41,"name":79,"path":80,"target":33,"children":273},[],{"id":41,"name":83,"path":84,"target":33,"children":275},[],{"id":41,"name":87,"path":88,"target":33,"children":277},[],{"id":41,"name":91,"path":92,"target":33,"children":279},[],{"id":41,"name":95,"path":96,"target":33,"children":281},[282,284,286,288],{"id":41,"name":99,"path":100,"target":33,"children":283},[],{"id":41,"name":103,"path":104,"target":33,"children":285},[],{"id":41,"name":107,"path":108,"target":33,"children":287},[],{"id":41,"name":111,"path":112,"target":33,"children":289},[],{"id":41,"name":115,"path":116,"target":33,"children":291},[292,294,296,298,300],{"id":41,"name":119,"path":120,"target":33,"children":293},[],{"id":41,"name":123,"path":124,"target":33,"children":295},[],{"id":41,"name":127,"path":128,"target":33,"children":297},[],{"id":41,"name":131,"path":132,"target":33,"children":299},[],{"id":41,"name":135,"path":136,"target":33,"children":301},[],{"id":41,"name":139,"path":140,"target":33,"children":303},[304,306,308,310,312],{"id":41,"name":143,"path":144,"target":33,"children":305},[],{"id":41,"name":147,"path":148,"target":33,"children":307},[],{"id":41,"name":151,"path":152,"target":33,"children":309},[],{"id":41,"name":155,"path":156,"target":33,"children":311},[],{"id":41,"name":159,"path":160,"target":33,"children":313},[],{"id":41,"name":163,"path":164,"target":33,"children":315},[316,318,320,322,324],{"id":41,"name":167,"path":168,"target":33,"children":317},[],{"id":41,"name":171,"path":172,"target":33,"children":319},[],{"id":41,"name":175,"path":176,"target":33,"children":321},[],{"id":41,"name":179,"path":180,"target":33,"children":323},[],{"id":41,"name":183,"path":184,"target":33,"children":325},[],{"id":41,"name":187,"path":188,"target":33,"children":327},[328,330,332,334],{"id":41,"name":191,"path":192,"target":33,"children":329},[],{"id":41,"name":195,"path":196,"target":33,"children":331},[],{"id":41,"name":199,"path":200,"target":33,"children":333},[],{"id":41,"name":203,"path":204,"target":33,"children":335},[],{"id":337,"name":208,"path":209,"target":33,"children":338},19,[],{"id":340,"name":218,"path":219,"target":33,"children":341},20,[],{"id":343,"title":344,"slug":345,"cover":346,"summary":347,"categoryId":36,"categoryName":46,"categorySlug":348,"publishTime":349,"top":350,"viewCount":351,"content":352,"faqs":353,"author":354,"source":355,"seoTitle":344,"seoKeywords":356,"seoDescription":357,"category":358,"prev":359,"next":362},536,"闭门器有开门缓冲，为什么仍不能代替门挡？","door-closer-backcheck-opening-stop","https:\u002F\u002Fimg.shenzhenjianzhong.com\u002Fpublished\u002Fmedia\u002Fagent-articles\u002F536\u002F20261016\u002F179211129793699968\u002Farticle-536-dbba487f0a76f9a4.webp","开门缓冲主要减缓过猛开启，机械限位负责约束最大行程。是否另设门挡，需要按具体门型和成套五金设计核对，不能仅凭带闭门器作判断。","qa",1792112401000,false,31,"\u003Cp>不能仅凭闭门器带有“开门缓冲”，就取消限制门扇最大开启角度的措施。开门缓冲主要减缓过猛开启；门挡或其他适配的机械限位装置负责约束行程。若成套五金已经集成限位功能，应按该型号的安装要求核对，不必一概再加一个地面门挡。\u003C\u002Fp>\n\u003Ch2>先分清缓冲发生在哪个方向\u003C\u002Fh2>\n\u003Cp>闭门器虽然用于让门自行回关，但部分型号在开门过程中也提供缓冲功能，英文通常称backcheck。它与关闭速度、末段闭锁速度的调节并不是同一项功能。\u003C\u002Fp>\n\u003Cp>GEZE的官方调节说明将开门缓冲解释为减缓用力过猛的开启运动，并明确提醒：对于向外开启、可能受风影响的门，不能用它替代限制开启角度的独立措施。Allegion的技术问答也明确指出，backcheck不能作为门挡使用。\u003C\u002Fp>\n\u003Cp>理解这个区别，可以分别问两个问题：门开启时是否需要降低冲击？门最多允许开到哪里？前者关乎运动过程，后者关乎终点位置。门开得慢，并不自动意味着它会在墙面、拉手或门框发生碰撞之前停下。\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Fimg.shenzhenjianzhong.com\u002Fpublished\u002Fmedia\u002Fagent-articles\u002F536\u002F20261016\u002F179211131378640402\u002Farticle-536-8b09d2349b4d8034.webp\" alt=\"平面示意对比开门缓冲减缓运动与门挡限制最大行程\" loading=\"lazy\" \u002F>\u003C\u002Fp>\n\u003Cp>功能对比示意：开门缓冲减缓运动，机械限位约束最大行程。图中位置和角度不作为安装尺寸。\u003C\u002Fp>\n\u003Ch2>感到阻力，不代表已经到达机械终点\u003C\u002Fh2>\n\u003Cp>对于采用液压开门缓冲的型号，开启运动通过内部液压机构受到阻尼，调节阀用于改变缓冲强度。dormakaba对8900系列的官方说明就将其称为液压backcheck，并说明阀门调节控制其强度。这种作用是在运动中提供阻力，不是用刚性挡止来确定门扇的终点；具体内部油路和缓冲区间仍须以对应型号资料为准。\u003C\u002Fp>\n\u003Cp>使用者推门时，在某一段行程感到阻力增大，可能与开门缓冲有关。但不同闭门器的缓冲特性和起作用区间并不相同，不能据此推定所有门都在同一角度开始缓冲，更不能把这股阻力当作可靠的机械限位。\u003C\u002Fp>\n\u003Cp>例如，dormakaba对TS83带开门缓冲的特定版本说明了随开启运动变化的缓冲特性。这是具体产品的设计信息，不代表任意闭门器都具备相同功能。采购和维修时，需要核对完整型号、安装方式及配套臂或导轨，不能只看外壳上有没有“缓冲”字样。\u003C\u002Fp>\n\u003Cp>如果门已有明显撞墙、撞框，或者闭门器安装处松动，不宜反复用力推门验证极限，也不应把调节阀拧到最紧来代替缺失的限位设计。应停止冲击性使用，由专业人员检查门扇行程与五金配合。\u003C\u002Fp>\n\u003Ch2>限位与保持开启，也需要分别核对\u003C\u002Fh2>\n\u003Cp>限位装置可以是适当位置的门挡，也可以是适配的上部门控部件；并非只有地面安装一种形式。dormakaba的700\u002F900系列就区分了仅限位与兼有保持开启的配置。GEZE也提供专门的开角限制部件，但这不意味着不同品牌、不同型号之间可以随意替换。\u003C\u002Fp>\n\u003Cp>“到这里不能再开”和“停在这里不回关”是两种不同功能。前者限制最大行程，后者保持开启状态；选择带保持功能的五金时，还要核对门本身是否允许保持开启。涉及防火、烟控或疏散门，不应擅自加装会妨碍原有关闭功能的部件。\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Fimg.shenzhenjianzhong.com\u002Fpublished\u002Fmedia\u002Fagent-articles\u002F536\u002F20261016\u002F179211132981586077\u002Farticle-536-a5eb103b4dfff91d.webp\" alt=\"闭门器缓冲、门挡限位与保持开启部件的不同功能示意\" loading=\"lazy\" \u002F>\u003C\u002Fp>\n\u003Cp>功能分类示意。是否具备开门缓冲、限位或保持开启功能，须核对具体五金配置；部件外形不代表功能齐全，也不表示可以互换。\u003C\u002Fp>\n\u003Ch2>现场处理应核对成套设计\u003C\u002Fh2>\n\u003Cp>专业人员应结合门扇尺寸、开启方向、门框及邻近墙面，确认允许的最大开角，再检查现有闭门器、臂杆、导轨和限位部件是否匹配。门挡的位置和固定基材会影响受力，不能只按“哪里装着方便”决定，也不能直接照示意图钻孔。\u003C\u002Fp>\n\u003Cp>调整完成后，需要按厂家要求检查整段开启和回关过程。对普通使用者，更有用的报修信息是：门在什么位置开始变重，是否会撞到周边物体，部件有无松动，以及松手后能否正常回关。这些现象能帮助维修人员区分缓冲设置、机械干涉和限位配置问题。\u003C\u002Fp>\n\u003Cp>判断要点是：开门缓冲改善运动过程，限位约束最大行程。是否另设门挡，应由具体门型和成套五金设计决定，不能用“已经有闭门器”代替这一步核对。\u003C\u002Fp>\n\u003Cp>资料来源：GEZE《Correctly setting door closers》；Allegion《Can you use the Backcheck adjustment on a closer as a stop?》；dormakaba《TS83 Standard and optional functions》（2021年1月资料）、《8900 Series》及《700\u002F900 Series Stops & Holders》。上述资料用于解释产品功能差异，不将境外产品适用条件直接作为国内工程验收结论。核对日期：2026年10月16日。\u003C\u002Fp>\n",[],"建中说门道","GEZE、Allegion、dormakaba官方产品与技术资料，核对日期2026-10-16","闭门器,开门缓冲,backcheck,门挡,开角限位","闭门器的开门缓冲与门挡限位有什么不同？区分backcheck、最大开角和保持开启，说明液压缓冲为何不能代替机械限位，以及成套五金核对边界。",{"id":36,"name":46,"slug":348},{"title":360,"slug":361},"射阳港粮仓拟更换7樘门、维修46樘大门，公告要求保留原门框","sheyang-grain-warehouse-door-renewal-2026",{"title":363,"slug":364},"武汉天河机场拟更新4个隧道卷帘门，第二次采购公告发布","tianhe-airport-tunnel-grille-shutter-renewal-2026",[366],{"id":207,"title":37,"subtitle":367,"image":368,"mobileImage":16,"link":16},"行业动态 · 技术问答 · 产品FAQ","https:\u002F\u002Fwww.shenzhenjianzhong.com\u002Fsecurity-assets\u002F5085ba7fa31941f0ae59e7a8db089907e86b3d1e921787ea3e7e8ff1a14d84e7.jpg"]