Plugging device

Abstract

The invention provides a plugging device. The plugging device comprises an inflation tube, an air bag and a hose; one end of the inflation tube is connected with the hose, and the other end of the inflation tube is connected with the air bag; one end, far away from the inflation tube, of the hose is connected with an air source; a switch valve and a pressing type inflation valve are arranged on the inflation tube; and the pressing type inflation valve is close to the air bag, and the switch valve is far away from the air bag. When the plugging device is used, only the air bag needs to stretch into a to-be-plugged pipeline or a water outlet, complex installation operation in the prior art does not need to be carried out, and therefore the installation time is saved, plugging can be rapidly achieved, and then the plugging efficiency can be effectively improved; meanwhile, the air bag is good in deformability and can adapt to pipelines or water outlets of different sizes, so that the plugging device is good in universality; and due to the fact that blocking plugs of different sizes do not need to be manufactured, manufacturing time is saved, and blocking efficiency is further improved.

Description

technical field [0001] The invention belongs to the technical field of engine testing, and in particular relates to a blocking device. Background technique [0002] After the engine is assembled, a hot test process is required, that is, add oil, antifreeze, gasoline and ignite to test whether the assembled engine is running normally, so as to detect assembly quality problems in time. [0003] In the prior art, polyurethane materials are usually used to make plugs of various sizes according to the size of the water outlets and pipelines of the engine. During use, the plugs with matching sizes are selected to seal the water outlets and pipelines, and then Tighten the connection with a clamp of suitable size so that the antifreeze cannot flow out but only circulates inside. However, due to the poor versatility of the plugs, it is necessary to make various sizes of plugs according to the size of the engine water outlet and the pipeline, resulting in low plugging efficiency; at ...

AI Technical Summary

Problems solved by technology

[0003] In the prior art, polyurethane materials are usually used to make plugs of various sizes according to the size of the water outlets and pipelines of the engine. During use, the plugs with matching sizes are selected to seal the water outlets and pipelines, and then Tighten the connection with a clamp of suitable size so that the antifreeze cannot flow out and only circulates inside

However, due to the poor versatility of the plugs, it is necessary to make various sizes of plugs according to the size of the engine water outlet and the pipeline, resulting in low plugging efficiency; at the same time, the installation of each plug is time-consuming. It also makes the blocking efficiency lower

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