V2EX head bolt

Head Bolt

定义 Definition

head bolt缸盖螺栓。用于把发动机气缸盖(cylinder head)牢固地固定在缸体(engine block)上,并压紧缸盖垫(head gasket)以保证密封的高强度螺栓。(在不同发动机设计中也可能用“缸盖螺柱 head stud”等替代方案。)

发音 Pronunciation (IPA)

/hd bolt/

例句 Examples

Replace the head bolts during the repair.
在维修时更换缸盖螺栓。

If the head bolts aren’t tightened in the correct torque sequence, the cylinder head can warp and cause coolant leaks.
如果缸盖螺栓没有按正确的扭矩顺序拧紧,气缸盖可能会变形并导致冷却液泄漏。

词源 Etymology

head(“头、顶部”) + bolt(“螺栓”) 组合而成;这里的 head 指发动机的气缸盖(cylinder head),因此 head bolt 字面意思就是“用于(缸)盖的螺栓”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Automotive Technology: A Systems Approach(Jack Erjavec, Rob Thompson)在发动机装配与扭矩规范章节中常出现 *head bolt(s)*。
  • Haynes Repair Manual(海恩斯汽车维修手册系列)在缸盖拆装步骤、拧紧顺序与扭矩表中频繁使用该词。
  • Chilton’s Repair Manual(奇尔顿维修手册系列)在气缸盖维修与密封故障排查中常见该术语。
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