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Wiring structure of electric control oil atomizer

A technology of electronically controlled fuel injection and wiring structure, which is applied to machines/engines, fuel injection devices, and engine sealing devices, etc. Simple and compact effect

Pending Publication Date: 2019-10-22
WUXI POWER ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the problems of difficulty in changing the structure and high cost in the prior art. The present invention provides a wiring structure of an electronically controlled fuel injector. Low

Method used

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  • Wiring structure of electric control oil atomizer
  • Wiring structure of electric control oil atomizer
  • Wiring structure of electric control oil atomizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: Two through-holes 22 that cooperate with the connecting studs 18 are opened on the sealing member 19, and a partition 23 located between the two through-holes 22 is installed on the upper surface of the sealing member 19; the connecting stud 18 includes a lower internal thread Connecting part 18-1, middle polished rod part 18-2, upper external thread connecting part 18-3, solenoid valve connecting post 17 are threadedly connected with lower internal thread connecting part 18-1, and the size of lower internal thread connecting part 18-1 is larger than that of through The inner diameter of the hole 22, the size of the upper external thread connection part 18-3 is smaller than the internal diameter of the through hole 88 and is exposed to the seal 19, and the upper external thread connection part 18-3 is equipped with a coupling piece 21 and a locking nut 20; the through hole The inner wall of 22 is a plane, and the outer surface of the middle polished rod por...

Embodiment 2

[0021] Embodiment 2: Two through-holes 22 cooperating with the connecting studs 18 are opened on the sealing member 19, and a partition 23 located between the two through-holes 22 is installed on the upper surface of the sealing member 19; the connecting stud 18 includes a lower internal thread Connecting part 18-1, middle polished rod part 18-2, upper external thread connecting part 18-3, solenoid valve connecting post 17 are threadedly connected with lower internal thread connecting part 18-1, and the size of lower internal thread connecting part 18-1 is larger than that of through The inner diameter of the hole 22, the size of the upper external thread connection part 18-3 is smaller than the internal diameter of the through hole 88 and is exposed to the seal 19, and the upper external thread connection part 18-3 is equipped with a coupling piece 21 and a locking nut 20; the through hole The inner wall of 22 is provided with an inner sealing ring 25, and the inner diameter o...

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PUM

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Abstract

The invention relates to the technical field of internal layout structures of engines, in particular to a wiring structure of an electric control oil atomizer. The wiring structure is simple and compact in structure, convenient to disassemble and maintain, reliable in guide sealing performance and low in cost. The wiring structure comprises a cylinder cover body assembly, a cover is arranged on the cylinder cover body assembly to form an installation cavity, an air inlet valve, an exhaust valve, a valve spring, a rocker arm and a push rod are arranged in the installation cavity, the end part of the push rod is connected with one end of the rocker arm, the other end of the rocker arm is connected with the end part of the air inlet valve and the exhaust valve, an electric control oil atomizer is arranged between the exhaust valve and the air inlet valve, an oil spraying opening of the electric control oil atomizer is communicated with a combustion chamber in the piston, the electric control oil sprayer is fixed through a pressing plate, an oil inlet of the electric control oil sprayer is connected with a high-pressure oil pipe penetrating through the cover, a sealing ring is arrangedbetween the high-pressure oil pipe and the cover, an electromagnetic valve binding post of the electric control oil sprayer is connected with one end of the connecting stud, and the other end of theconnecting stud penetrates through the sealing part of the cover and is fixed through a locking nut.

Description

technical field [0001] The invention relates to the technical field of internal layout structure of an engine, in particular to a wiring structure of an electronically controlled fuel injector. Background technique [0002] With the increasingly stringent emission regulations, improving the pollutants in the exhaust of diesel engines has become a top priority. In the existing technical route, the main technical route for diesel engines to solve the problem of exhaust pollutants is to assemble a common rail system. For many four-valve engines, the electronically controlled fuel injector is installed inside the cylinder head cover, and the electronically controlled fuel injection How to connect the line speed between the controller and the ECU, not only to ensure the normal transmission of its electrical signals, but also to ensure the sealing of the part passing through the cylinder or cylinder head cover, is a difficult subject. There are many ready-made The cylinder pierci...

Claims

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Application Information

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IPC IPC(8): F02M61/14F02F7/00F02F11/00
CPCF02M61/14F02F7/0021F02F11/002
Inventor 王永东杨东
Owner WUXI POWER ENG