English(EN) Why do some USB connectors have those 2 square holes?

USB-A 的方形孔确保连接牢固，这一特性现已被 USB-C 大部分取代

作者 PulseAugur 编辑部 · [1 个来源] · 2026-11-15 16:45

许多 USB-A 连接器上的两个方形孔是锁定机制的关键部分，旨在确保连接牢固并防止意外断开。这些孔与母端口内的弹簧夹相互作用，在插入设备时会发出咔哒声。虽然 USB-C 因其可逆性和更强的功能已成为主流标准，但带有这些孔的 USB-A 端口在许多配件和工作场所仍然很常见。 AI

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Engadget TIER_1 English(EN) · [email protected] (Antony Terence) · 2026-11-15 16:45

为什么有些USB接口会有那两个方形孔？

Some USB connectors, including USB-A, feature two small holes that have an important purpose. Other USB connectors lack these holes for a reason, too.