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Spherically-connected engine fuel injector binding post structure

A technology of fuel injectors and terminal posts, which is applied in the direction of engine components, machines/engines, connections, etc. It can solve the problems of small size, high risk of sliding tooth failure, and easy breakage of bolts, etc., to achieve large contact area, low risk of failure, Reliable effect of connection

Pending Publication Date: 2021-12-21
GUANGXI YUCHAI MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The fuel injector terminal bolts are small, and the bolts are easy to break. At the same time, due to the small size of the fuel injector wiring harness wiring nuts, the risk of sliding teeth failure is high

Method used

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  • Spherically-connected engine fuel injector binding post structure
  • Spherically-connected engine fuel injector binding post structure
  • Spherically-connected engine fuel injector binding post structure

Examples

Experimental program
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Effect test

Embodiment 1

[0024] This embodiment provides: a ball-type connected engine fuel injector terminal structure, including a welding plate main body 3, the welding plate main body 3 is installed on one side of the wire harness 2, the wire harness 2 is a circular tubular structure with a hollow interior, and the wire harness 2 The outer side of the welding plate is provided with a protective cover, and the lower part of the welding plate main body 3 is provided with a spherical wiring cover 4 for the injector harness. A support plate is provided at the intersection of the board main body 3 and the wiring harness 2 , and a fuel injector spherical terminal 1 is provided below the spherical wiring cover 4 of the fuel injector wiring harness.

[0025] By adopting the above technical solutions:

[0026] The spherical terminal 1 of the fuel injector is composed of a hemispherical body 11, a cylinder 12 and a first spot welding plate 13, the first spot welding plate 13 is installed at the lower axis o...

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PUM

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Abstract

The invention discloses a spherically-connected engine fuel injector binding post structure which comprises a welding plate main body, wherein the welding plate main body is installed on one side of a wire harness, a fuel injector wire harness spherical wiring cover is arranged below the welding plate main body, and a fuel injector spherical binding post is arranged below the fuel injector wire harness spherical wiring cover. The contact area of the engine fuel injector binding post structure is large, current for controlling on and off of an electromagnetic valve is transmitted through connection of a hemispherical main body, the contact area is largest, conduction current is largest, and meanwhile the lower portion of the fuel injector wire harness spherical wiring cover is connected with the lower end face of the hemispherical main body of the fuel injector spherical binding post through a buckle main body and is in interference fit with the same, so that the connection is ensured to be convenient and reliable, and the circuit break fault failure risk is low. The spherically-connected engine fuel injector binding post structure is reliable in connection, the fuel injector wire harness spherical wiring cover is connected with a wire harness through a second spot welding plate at the top part, and reliable connection is ensured; and the lower-end cylinder of the fuel injector spherical binding post is connected with the electromagnetic valve through a first spot welding plate, and reliable connection is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of fuel engine accessories, and in particular relates to a ball-type connection post structure of an engine fuel injector. Background technique [0002] With the upgrading of emission and fuel consumption regulations, the whole vehicle and engine basically adopt high-pressure common rail fuel injection system. As an important part of the fuel injection system, the fuel injector not only controls the atomization of fuel, but also controls the amount of fuel injection. The amount of fuel injection is controlled by the on and off time of the injector solenoid valve, so the structure of the injector terminal is very important to the engine fuel system. [0003] The existing fuel injector terminal is composed of the fuel injector terminal and the fuel injector harness wiring nut, wherein the fuel injector terminal is a threaded structure, and there is a connecting piece below to connect with the injector electro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R11/11H01R9/00H01R4/02F02M51/00
CPCH01R11/11H01R9/00H01R4/023H01R4/029F02M51/005
Inventor 苏金龙柳芳谢夏琳段振涛孙步武
Owner GUANGXI YUCHAI MASCH CO LTD
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