Pump container for paste

A pump container for paste, comprising:

• a paste tube configured as a columnar structure;
• a cover detachably fixed on an end of the paste tube;
• a piston slidably arranged inside the paste tube and in a sealing fit with an inner wall of the paste tube, wherein a paste spout is fixed on the cover for outputting the paste, and a one-way valve is mounted at the paste spout;
• a one-way paste dispensing mechanism inside the paste tube at the end of the paste tube with the cover, wherein the piston is located on a first end of the one-way paste dispensing mechanism away from the cover, and a paste storage chamber is formed between the piston and the one-way paste dispensing mechanism;
• an elastic rubber bowl on the end of the paste tube with the cover, the elastic rubber bowl is located on a second end of the one-way paste dispensing mechanism away from the piston, a paste dispensing chamber is formed between the elastic rubber bowl and the one-way paste dispensing mechanism, the paste in the paste storage chamber enters the paste dispensing chamber only through the one-way paste dispensing mechanism, and the paste spout is in communication with the paste dispensing chamber;
• and
• a button on the cover for squeezing the elastic rubber bowl.