行业组件数据 · 2026

喷油器连接件

Injector connections are precision components that link high-pressure fuel lines to injectors in common rail diesel systems, ensuring leak-free fuel delivery.

技术定义与适配语境
典型 喷油器连接件 会按材料、尺寸公差、适配关系和失效风险在 汽车制造 中评估。

Injector connections in common rail systems are critical interface components that connect high-pressure fuel lines to fuel injectors. They consist of precision-machined fittings, seals, and fastening mechanisms designed to withstand extreme pressures (typically 1,600-2,500 bar) while maintaining perfect sealing integrity. These connections ensure precise fuel metering and timing by delivering pressurized fuel from the common rail to individual injectors without pressure loss or leakage.

组件规格

定义
Injector connections in common rail systems are critical interface components that connect high-pressure fuel lines to fuel injectors. They consist of precision-machined fittings, seals, and fastening mechanisms designed to withstand extreme pressures (typically 1,600-2,500 bar) while maintaining perfect sealing integrity. These connections ensure precise fuel metering and timing by delivering pressurized fuel from the common rail to individual injectors without pressure loss or leakage.
工作原理
Injector connections operate by creating a sealed pathway between the common rail's high-pressure fuel supply and the injector's inlet. They utilize precision threads, compression fittings, or quick-connect mechanisms with specialized seals (typically metal-to-metal or polymer) that maintain integrity under thermal cycling and vibration. The connection must maintain constant pressure while allowing for thermal expansion and mechanical movement.
材料
High-strength steel alloys (such as 42CrMo4 or similar)stainless steel (AISI 316)with sealing elements made of fluorocarbon polymers (Viton/FKM)polyetheretherketone (PEEK)or precision-machined metal seals. Surface treatments include nitridingchrome platingor DLC coatings for wear resistance.
Seal Type
Metal cone seal or O-ring
Thread Type
M12x1.5, M14x1.5, or proprietary
Leakage Rate
< 0.1 ml/min at rated pressure
Pressure Rating
Up to 2,500 bar
Temperature Range
-40°C to +150°C
Torque Specification
40-60 Nm (varies by design)
标准
ISO 4038ISO 11926DIN 2353SAE J2044

行业分类与别名

喷油器连接件 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

Seal material incompatibility with fuel additives->Fuel leakage and pressure loss->Use compatible seal materials and regular inspection protocols
Vibration-induced fatigue cracking->Catastrophic connection failure->Implement proper mounting brackets and vibration dampeners
Over-torquing during installation->Thread damage and sealing surface deformation->Use calibrated torque wrenches and follow manufacturer specifications

工业生态与工程逻辑

0
High-pressure fuel leaks causing fire hazards
1
Improper installation leading to system failure
2
Material fatigue under cyclic loading
3
Seal degradation from biodiesel exposure

合规与检测

tolerance
Thread tolerance: 6g/6H, sealing surface flatness: < 0.01mm, surface roughness: Ra 0.8-1.6 μm
test method
Pressure cycling test (ISO 4038), helium leak test, vibration test per SAE J1455, salt spray corrosion resistance test

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 causes injector connection failures?

Common failures include seal degradation from fuel exposure, thread damage from improper installation, corrosion from contaminated fuel, and fatigue cracking from vibration or pressure cycling.

Are injector connections interchangeable between manufacturers?

Generally not interchangeable without modification due to different thread specifications, sealing designs, and pressure ratings. Always use manufacturer-specified parts for proper compatibility.

How often should injector connections be inspected?

During regular maintenance intervals (typically every 50,000-100,000 km) or whenever fuel leaks are detected. Visual inspection for cracks, corrosion, and proper torque is essential.

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 · 汽车制造

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: 喷油器连接件

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。

谢谢,信息已发送。
谢谢,信息已收到。

需要制造 喷油器连接件?

对比具备该组件加工或装配能力的制造商资料。

创建制造商档案 联系我们
上一个组件
同步器
下一个组件
回位弹簧
URN:CNFX:ME:UNIT:INJECTOR_CONNECTIONS