Pump comprising a spring

A pump, comprising:

• an accommodating housing which forms a cup-shaped accommodating space comprising an end-facing wall and a circumferential wall;
• and
• a pump insert which is arranged in the accommodating space, wherein the pump insert comprises:
• a rotor;
• a first housing part and a second housing part, between which the rotor is arranged such that it can be rotated about a rotational axis and relative to the first and second housing part;
• and
• a stroke ring which surrounds the rotor,
• wherein an annular sealing element which is arranged between the end-facing wall and the second housing part encloses a pressure space which is formed between the end-facing wall and the second housing part, wherein the pressure space is connected via an outlet channel to a delivery chamber which is formed between the rotor and the stroke ring, and
• wherein the spring comprises a spring structure which is made of metal and which imbues the spring with its essential spring characteristics, wherein the sealing element is fastened to the spring structure.

A pump, comprising:

• an accommodating housing which forms a cup-shaped accommodating space comprising an end-facing wall and a circumferential wall;
• and
• a pump insert which is arranged in the accommodating space, wherein the pump insert comprises:
• a rotor;
• a first housing part and a second housing part, between which the rotor is arranged such that it can be rotated about a rotational axis and relative to the first and second housing part;
• and
• a stroke ring which surrounds the rotor,
• wherein a first pressure space and a second pressure space are formed between the end-facing wall and the second housing part, wherein an annular sealing element which is arranged between the end-facing wall and the second housing part encloses the second pressure space and seals it off in relation to the first pressure space, wherein the first pressure space is connected via a first outlet channel to a first delivery chamber which is formed between the rotor and the stroke ring, and the second pressure space is connected via a second outlet channel to a second delivery chamber which is formed between the rotor and the stroke ring.