Fireproof valve with excellent exhaust effect

The utility model discloses a fire damper with an excellent exhaust effect, which comprises an air inlet pipeline and an air outlet pipeline, the rear end of the air inlet pipeline is communicated with the lower part of the air outlet pipeline, the front end surface of the air inlet pipeline is an air inlet, and the top end surface of the air outlet pipeline is an air outlet; an included angle isformed between the air inlet pipeline and the air outlet pipeline; the air inlet pipeline and the air outlet pipeline are integrally formed. The fireproof valve has the advantages of being good in sealing performance, simple in production process step and capable of enabling smoke in the public flue to be discharged smoothly and increasing the indoor smoke discharging speed. 本实用新型公开了一种具有优异排风效果的防火阀，包括进风管道和出风管道，进风管道的后端与出风管道的下部相连通，进风管道的前端面为进风口，出风管道的顶端面为出风口；进风管道与出风管道呈夹角设计；进风管道和出风管道为一体成型。本实用新型的防火阀具有密封性能好、生产工艺步骤简单、使公共烟道内烟气排放的顺畅和提高室内烟气排放的速度的特点。