Smoke exhaust pipe

Abstract

The present invention relates to the field of gas water heaters, in particular to a smoke exhaust pipe. The smoke exhaust pipe comprises a pipe body, a mounting part is inserted into one end of the pipe body, a rainproof pipe is sealingly connected to the mounting part, and an outer end opening of the rainproof pipe is inclined downward. The smoke exhaust pipe provided by the present invention has the advantages of being convenient to mount and having a good rainproof effect.

What is claimed is: 
     
         1 . A smoke exhaust pipe, comprising:
 a pipe body ( 1 ), wherein a mounting part ( 2 ) is inserted into one end of the pipe body ( 1 ), a rainproof pipe ( 3 ) is sealingly connected to the mounting part ( 2 ), and an outer end opening of the rainproof pipe ( 3 ) is inclined downward;   the mounting part ( 2 ) comprises a fixing plate ( 22 ), and the rainproof pipe ( 3 ) is movably mounted on the fixing plate ( 22 );   a bottom and two sides of the fixing plate ( 22 ) are provided with a plurality of hooks ( 23 ) with upward openings, a left side of the rainproof pipe ( 3 ) is folded outward to form folded edges ( 31 ), the folded edges ( 31 ) located on two sides are provided with notches ( 32 ), and the folded edges ( 31 ) are able to be inserted into corresponding hooks ( 23 ).   
     
     
         2 . The smoke exhaust pipe according to  claim 1 , wherein:
 the pipe body ( 1 ) is composed of a plurality of pipelines that are inserted together, and the plurality of pipelines are fixed by pipe hoops ( 5 ).   
     
     
         3 . The smoke exhaust pipe according to  claim 2 , wherein:
 the pipelines comprise straight pipes and elbow pipes.   
     
     
         4 . The smoke exhaust pipe according to any one of  claim 3 , wherein:
 the mounting part ( 2 ) comprises a connecting pipe ( 21 ), and the connecting pipe ( 21 ) is inserted into the pipe body ( 1 ) and then fixed by the pipe hoops ( 5 ).   
     
     
         5 . The smoke exhaust pipe according to  claim 1 , wherein:
 the hooks ( 23 ) are formed by stamping.   
     
     
         6 . The smoke exhaust pipe according to  claim 1 , wherein:
 the rainproof pipe ( 3 ) is internally provided with a grille ( 4 ).