Unverified82% confidenceFactTime unknown
标准U型门顶门挡内部开口宽度通常设计为3-4.5cm，可通用适配大部分室内木门（门扇厚3.5-4.5cm），选购前用尺子量门厚确认在此范围内
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UnverifiedU型跨门缝式门挡适配门厚范围通常为3-4.5cm，购买前需实测门体厚度，超薄玻璃门或超厚防盗门（＞5cm）需选专用加宽款92% similarUnverifiedU型/C型套夹式门挡适配门厚范围通常为3-4.5cm，购买前需实测门板厚度（含门缝密封条），门厚超过4.5cm应选择磁吸式或粘贴式门挡91% similarUnverifiedU型跨门缝式门挡需匹配门缝厚度：常规室内门缝2.5-4cm，选卡口开口3.5-4.5cm的U型挡；门缝小于2.5cm的实木门易夹不紧滑落，应选C型钩挂式门挡91% similarUnverified门缝侧防夹条应选C型或U型开口结构包裹门边，覆盖宽度≥门厚+两侧各3cm，普通门厚35-45mm应选宽度≥100mm的门贴88% similarUnverified门夹式（门后挂钩）挂架需确认门板厚度：普通挂钩适配3.5-4.5cm门板，超过5cm的实木门或防盗门需选可调节宽度的门夹87% similar
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