行业组件数据 · 2026

锁扣枢轴销

A precision-engineered pivot pin used in safety hook latch mechanisms to enable controlled rotational movement and secure locking.

技术定义与适配语境
典型 锁扣枢轴销 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

The Latch Pivot Pin is a critical cylindrical component within safety hook assemblies that serves as the rotational axis for the latch mechanism. It allows the latch to swing open and closed while maintaining precise alignment and load-bearing capacity. This pin is subjected to shear forces during operation and must maintain dimensional stability under varying loads and environmental conditions to ensure reliable safety hook functionality.

组件规格

定义
The Latch Pivot Pin is a critical cylindrical component within safety hook assemblies that serves as the rotational axis for the latch mechanism. It allows the latch to swing open and closed while maintaining precise alignment and load-bearing capacity. This pin is subjected to shear forces during operation and must maintain dimensional stability under varying loads and environmental conditions to ensure reliable safety hook functionality.
工作原理
The pin functions as a fixed rotational axis, allowing the latch to pivot around it. When the safety hook engages, the latch rotates around this pin to lock onto the load point. The pin's precise diameter and surface finish minimize friction while maintaining structural integrity, ensuring smooth operation and preventing unintended disengagement.
材料
Typically manufactured from alloy steel (such as 4140 or 4340) or stainless steel (such as 316 or 17-4 PH) with heat treatment (quenching and tempering) to achieve Rockwell hardness of 40-50 HRC. Corrosion-resistant coatings like zinc plating or black oxide may be applied for environmental protection.
Length
25-80 mm
Diameter
8-20 mm (standard range)
Tolerance
h7/g6 fit
Load Capacity
2-10 kN (depending on size)
Shear Strength
≥400 MPa
Surface Finish
Ra 0.8-1.6 μm
标准
ISO 2768-mDIN 6325ISO 898-1

行业分类与别名

锁扣枢轴销 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Material fatigue from cyclic loading->Fracture or permanent deformation->Regular inspection schedules, proper material selection with adequate fatigue strength, and load monitoring
Corrosion in humid or chemical environments->Increased friction, seizure, or reduced cross-sectional strength->Use corrosion-resistant materials/coatings, environmental controls, and protective maintenance
Improper installation or misalignment->Binding, uneven wear, or premature failure->Precision machining of mating parts, proper installation procedures, and alignment verification

工业生态与工程逻辑

0
Shear failure under overload
1
Corrosion leading to seizure
2
Wear causing increased play and misalignment
3
Improper installation causing binding

合规与检测

tolerance
Diameter tolerance typically h7 (ISO 286), straightness within 0.1 mm per 100 mm length
test method
Dimensional verification with micrometers, hardness testing (Rockwell), shear load testing per ISO 14556, corrosion resistance per salt spray testing ASTM B117

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来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the primary function of a latch pivot pin in safety hooks?

It serves as the rotational axis that allows the latch to open and close smoothly while maintaining precise alignment and bearing shear loads during operation.

How do I select the right material for a latch pivot pin?

Consider the operating environment (corrosion potential), load requirements, and frequency of use. Alloy steel offers high strength for heavy loads, while stainless steel provides better corrosion resistance for harsh environments.

What maintenance does a latch pivot pin require?

Regular inspection for wear, corrosion, or deformation; lubrication with appropriate grease (if specified); and replacement if tolerances exceed manufacturer specifications or visible damage occurs.

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初步技术归类
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URN:CNFX:ME:UNIT:LATCH_PIVOT_PIN