A carbon canister solenoid valve device applied to an automobile fuel evaporative emission control system

Abstract

The invention discloses a carbon canister electromagnetic valve device applied to an automobile fuel evaporation emission control system, comprising a fixed column, fixed plates are fixed around the outside of the fixed column, and a pressing cover is movably installed on the upper end of the fixed column. A tension spring A is fixedly welded inside the lower end of the pressing cover, and a movable circular plate is fixedly welded to the lower end of the tension spring A, and a solenoid valve is movably installed at the lower end of the movable circular plate. The present invention fixes the limiting square grooves on both sides of the fixed column, so that the limiting square grooves can be fixedly matched and clamped with the limiting bayonet pins on the upper end of the movable connecting rod, so that the movable connecting rod and the limiting bayonets are fixed to each other. The column has a great limit fixing ability, which realizes the fast disassembly and installation of the clamping column and the solenoid valve in the installation cavity.

Description

technical field [0001] The invention relates to the technical field of a carbon canister solenoid valve device, in particular to a carbon canister solenoid valve device applied to an automobile fuel evaporation emission control system. Background technique [0002] With the rapid development of social economy, carbon canisters are generally installed between the gasoline tank and the engine, and the carbon canister solenoid valve is installed on one side of the carbon canister. People set up carbon canisters from the perspective of saving fuel and protecting the environment. The interior is filled with highly absorbent activated carbon. The excess fuel vapor in the fuel tank is no longer discharged into the atmosphere, but is introduced into the activated carbon tank through a pipe. The activated carbon absorbs the fuel vapor. When the car is running, the activated carbon tank The solenoid valve is opened in due time, and the absorbed fuel vapor is re-injected into the intak...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a carbon canister solenoid valve device applied to the automobile fuel evaporation emission control system, to solve the extremely inconvenient installation of the carbon canister solenoid valve proposed in the above background technology, most of which are connected by bolts and nuts, which makes the solenoid valve It cannot be quickly disassembled and installed, which reduces the overall maintenance and replacement efficiency; at the same time, during long-term use, the electromagnetic valve is easily damaged due to the vibration of the car engine, which greatly reduces its service life and other problems.

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