行业组件数据 · 2026

门闩螺栓

A mechanical fastener used in latching systems to secure doors, panels, or access points by engaging with a strike plate or keeper.

技术定义与适配语境
典型 门闩螺栓 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。

A latch bolt is a cylindrical or rectangular bolt component that extends from a latch mechanism to engage with a corresponding strike plate, creating a secure closure. It operates through manual, spring-loaded, or electromechanical actuation and is designed to withstand operational forces while maintaining alignment and durability in industrial environments.

组件规格

定义
A latch bolt is a cylindrical or rectangular bolt component that extends from a latch mechanism to engage with a corresponding strike plate, creating a secure closure. It operates through manual, spring-loaded, or electromechanical actuation and is designed to withstand operational forces while maintaining alignment and durability in industrial environments.
工作原理
The latch bolt operates by extending or retracting through linear motion, typically driven by a handle, lever, or actuator. When extended, it engages with a strike plate, preventing unintended opening. Retraction disengages the bolt, allowing access. Spring mechanisms often provide automatic return to the locked position, while deadbolts require manual operation for added security.
材料
Commonly made from carbon steel (e.g.AISI 10181045)stainless steel (e.g.AISI 304316)or zinc alloys. Surface treatments include zinc platingpowder coatingor passivation for corrosion resistance.
Throw
10-25 mm
Length
20-100 mm
Diameter
8-20 mm
Load Capacity
500-2000 N
Operating Temperature
-20°C to 80°C
标准
ISO 9001DIN 18257

行业分类与别名

门闩螺栓 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

Improper installation or misalignment->Bolt jamming or failure to engage->Ensure precise alignment during installation and use adjustable strike plates.
Exposure to corrosive substances->Corrosion leading to weakened structural integrity->Use corrosion-resistant materials like stainless steel and apply protective coatings.

工业生态与工程逻辑

0
Misalignment causing jamming
1
Corrosion in humid environments
2
Fatigue failure under cyclic loading
3
Incompatibility with strike plate dimensions

合规与检测

tolerance
±0.5 mm for diameter and length
test method
Cyclic load testing per ISO 14728, corrosion resistance testing per ASTM B117

制造该组件的工厂

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 difference between a latch bolt and a deadbolt?

A latch bolt is typically spring-loaded and retracts automatically when the handle is turned, while a deadbolt requires manual key or knob operation and lacks a spring mechanism, offering higher security.

How do I select the right latch bolt for an industrial application?

Consider factors like material compatibility (e.g., corrosion resistance), load capacity, throw length, operating environment (temperature, humidity), and compliance with industry standards such as ISO or DIN.

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

CNFX Industrial Component Index · 机械和设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 门闩螺栓

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

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URN:CNFX:ME:UNIT:LATCH_BOLT