Chemical Tank

Abstract

The present invention relates to a chemical tank comprising a tank body and a tank mouth. The tank body includes a tank body part, a tank top and a tank bottom. The tank mouth arranged on the tank top includes a mouth body and a joint part. A stamping fastening structure for connecting the joint part and the tank body is arranged therebetween. Further, a positioning structure is disposed at the junction of the joint part and the tank body. A pressure-proof protective structure located in the joint part and the tank top is provided on the periphery of the stamping fastening structure. Herein, the positioning structure acts to enhance the positioning effect. Besides, the pressure-proof protective structure plays a role of pressure-proof protection. The tank mouth and the tank top are produced by stamping fastening, thus achieving high production efficiency, low cost and high strength.

1 . A chemical tank, comprising a tank body ( 2 ) and a tank mouth ( 1 ); the tank body ( 2 ) is comprised of a tank body part ( 21 ), a tank top ( 22 ) and a tank bottom, and the tank mouth ( 1 ) is arranged on the surface of the tank top ( 22 ); the tank mouth ( 1 ) includes a mouth body ( 11 ) and a joint part ( 12 ), wherein the joint part ( 12 ) is a laminar structure that is arranged on the periphery of the bottom of the mouth body ( 11 ) and further perpendicular to the mouth body ( 11 ); a stamping fastening structure ( 3 ) for connecting the joint part ( 12 ) and the tank body ( 2 ) is arranged therebetween; a positioning structure ( 4 ) is disposed at the junction of the joint part ( 12 ) and the tank body ( 2 ); a pressure-proof protective structure ( 121 ) located in the joint part ( 12 ) and the tank top ( 22 ) is also provided on the periphery of the stamping fastening structure ( 121 ). 
     
     
         2 . The chemical tank of  claim 1 , wherein leakage-proof glue is provided between the joint part and the tank body. 
     
     
         3 . The chemical tank of  claim 1 , wherein the joint part ( 12 ) is a circular laminar structure. 
     
     
         4 . The chemical tank of  claim 1 , wherein the positioning structure ( 4 ) comprises a riveting hole ( 41 ) and an embossing structure ( 42 ). 
     
     
         5 . The chemical tank of  claim 1 , the pressure-proof protective structure ( 121 ) is a circular laminar structure, of which the diameter is larger than that of a joint section of the tank top ( 22 ).