Soap liquid storage device

Abstract

A soap liquid storage device is used together with a soap liquid supply device, the soap liquid storage device comprising a filling barrel and a soap feeding barrel. The soap feeding barrel is arranged lower than the filling barrel and connected with the filling barrel through a communication pipe. The soap feeding barrel includes a soap delivery pipe connected with the soap liquid supply device and a barrel pressure balancing pipe exposed outside the soap feeding barrel, and an outlet of the barrel pressure balancing pipe is higher than a top surface of the filling barrel.

What is claimed is: 
     
         1 . A soap liquid storage device to be used together with a soap liquid supply device, the soap liquid storage device comprising:
 a filling barrel; and   a soap feeding barrel, arranged lower than the filling barrel and connected with the filling barrel through a communication pipe, the soap feeding barrel including a soap delivery pipe connected with the soap liquid supply device and a barrel pressure balancing pipe exposed outside the soap feeding barrel, wherein an outlet of the barrel pressure balancing pipe is higher than a top surface of the filling barrel.   
     
     
         2 . The soap liquid storage device according to  claim 1 , wherein the soap delivery pipe is arranged at a bottom edge of the soap feeding barrel, and the barrel pressure balancing pipe is arranged at a top edge of the soap feeding barrel, and wherein one end of the communication pipe is connected with the soap feeding barrel, and the other end of the communication pipe is connected with the filling barrel and arranged at a bottom edge of the filling barrel. 
     
     
         3 . The soap liquid storage device according to  claim 2 , wherein the soap delivery pipe is provided with a first valve, the communication pipe is provided with at least one second valve, and the barrel pressure balancing pipe is provided with a third valve. 
     
     
         4 . The soap liquid storage device according to  claim 3 , wherein the communication pipe comprises two second valves and the two second valves are respectively arranged at two ends of the communication pipe. 
     
     
         5 . The soap liquid storage device according to  claim 4 , wherein the filling barrel is stacked above the soap feeding barrel. 
     
     
         6 . The soap liquid storage device according to  claim 5 , wherein the soap liquid storage device comprises a plurality of holders for the filling barrel and the soap feeding barrel to be disposed thereon. 
     
     
         7 . The soap liquid storage device according to  claim 6 , wherein each of the plurality of holders is provided with two retaining walls arranged at an interval to define a receiving position. 
     
     
         8 . The soap liquid storage device according to  claim 1 , wherein the soap liquid storage device comprises a plurality of holders for the filling barrel and the soap feeding barrel to be disposed thereon. 
     
     
         9 . The soap liquid storage device according to  claim 8 , wherein each of the plurality of holders is provided with two retaining walls arranged at an interval to define a receiving position. 
     
     
         10 . The soap liquid storage device according to  claim 1 , wherein the filling barrel comprises an opening provided at a top end of the filling barrel and a cover provided corresponding to the opening.