Multifunctional urea tank filling structure

Abstract

The invention relates to a urea tank filling device, in particular to a multifunctional urea tank filling device, and belongs to the technical field of tail gas treatment equipment for diesel engines. The multifunctional urea tank filling device comprises a urea tank, a base, a connector and a cover body, wherein the urea tank is connected with the base through a bolt, the base presses the connector into a filling port, an external thread connecting end is arranged on the upper portion of the base, and the cover body is connected to the external thread connecting end of the base. The lower end of the connector is connected with a locking piece through threads, and a magnetic ring is arranged between the locking piece and the lower end of the connector. The multifunctional urea tank filling device is simple, compact and reasonable in structure and has various functions, the using cost is reduced, and the application range is widened; the cover body is provided with a lock or not provided with a lock, so that different using requirements are met; the magnetic ring is arranged at the lower end of the connector according to requirements, so that a filling gun can be accurately inserted into the filling port; and the lower end of the connector is connected with a filling filter screen according to requirements, so that the filling device has a filtering function.

Description

technical field [0001] The invention relates to a filling device for a blue tank, in particular to a multifunctional filling device for a blue tank, which belongs to the technical field of diesel engine tail gas treatment equipment. Background technique [0002] As diesel engine emission regulations become increasingly stringent, exhaust gas after-treatment technology is a technical measure that must be adopted. The automobile SCR can meet the national IV and national V emission standards. The basic principle of SCR is to atomize 32.5% concentration of urea aqueous solution through the urea injection system (commonly known as urea pump) and spray it into the exhaust pipe to mix with the engine exhaust. The urea aqueous solution Ammonia gas (NH 3 ), under the action of the catalyst, ammonia converts harmful nitrogen oxides (NOx) in diesel engine exhaust into harmless nitrogen (N 2 ) and water. The blue tank is an important part of the automobile SCR. The traditional fillin...

AI Technical Summary

Problems solved by technology

The blue tank is an important part of the automobile SCR, the traditional filling structure of the blue tank has different structures and a single function due to different usage conditions

If it is necessary to change the use function of the filling structure of the blue tank, the entire part needs to be replaced together, which is time-consuming and laborious, and the cost is high

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