Connection device for connecting tubular components

1 . A connection device comprising:

a base body with a hose-receiving region, wherein a seal-receiving region is formed in the hose-receiving region and wherein a collet-chuck-receiving region is formed in the hose-receiving region;

a collet chuck with a connection opening for receiving a line-shaped component, the connection opening having a connection opening diameter, the collet chuck having a plurality of elastically resilient clamping elements distributed over the circumference, the collet chuck being received in the collet-chuck-receiving region so as to be displaceable in the axial direction relative to the base body, the clamping elements being displaceable in the radial direction by axial displacement of the collet chuck relative to the base body; and

a sealing element, which is arranged in the seal-receiving region and forms a seal between the line-shaped component and the base body,

wherein the connection device is configured to receive line-shaped components with different line diameters,

wherein a first axial stop is formed in the base body, having a first cylindrical lateral surface with a first axial stop diameter, and a second axial stop is formed, having a second cylindrical lateral surface with a second axial stop diameter,

wherein a first type of the line-shaped components with a first line diameter can be attached to the first axial stop, and a second type of line-shaped components with a second line diameter can be attached to the second axial stop,

wherein the first axial stop has a first end face and the second axial stop has a second end face, wherein the first end face and the second end face are arranged spaced apart from one another in the axial direction at an end face distance,

wherein the first axial stop and the second axial stop are coaxial to each other,

wherein the first end face is arranged at a first angle to a central axis and wherein the second end face is arranged at a second angle to the central axis, wherein the first angle and/or the second angle is between 30° and 89°.

2 . The connection device according to claim 1 , wherein the second axial stop diameter is between 87% and 99.9% of the connection opening diameter.

3 . The connection device according to claim 1 , wherein the first axial stop has a first axial stop longitudinal extension and wherein the second axial stop has a second axial stop longitudinal extension, wherein the first axial stop longitudinal extension is between 90% and 110% of the second axial stop longitudinal extension.

4 . The connection device according to claim 1 , wherein the sealing element has a cross-sectional sealing element diameter, wherein the cross-sectional sealing element diameter is between 25% and 55% of the connection opening diameter.

5 . The connection device according to claim 1 , wherein the sealing element has a hardness between 30 Shore A and 75 Shore A.

6 . The connection device according to claim 1 , wherein the sealing element has a cross-sectional sealing element diameter and wherein the seal-receiving region has a seal-receiving height, wherein the seal-receiving height is between 50% and 90% of the cross-sectional sealing element diameter.

7 . The connection device according to claim 1 , wherein a clamping bevel has a clamping bevel opening angle between 10° and 45°.

8 . The connection device according to claim 1 , wherein a collet chuck opener is formed, which corresponds to the clamping elements, wherein the collet chuck opener is displaceable relative to the collet chuck, and wherein the collet chuck opener has an actuating region, which is configured to bear against an opening bevel of the clamping elements.

9 . The connection device according to claim 8 , wherein the collet chuck opener has a guide region, which is arranged on the outside around the base body and is configured for axially guided displacement on the base body.

10 . The connection device according to claim 9 , wherein the guide region has an offset drawn towards the central axis at a longitudinal end facing away from the collet chuck opener.

11 . The connection device according to claim 9 , wherein the collet chuck opener has a first end wall, which connects the guide region to the actuating region.

12 . A connection device comprising:

a base body with a hose-receiving region, wherein a seal-receiving region is formed in the hose-receiving region and wherein a collet-chuck-receiving region is formed in the hose-receiving region,

a collet chuck with a connection opening for receiving a line-shaped component, the connection opening having a connection opening diameter, the collet chuck having a plurality of elastically resilient clamping elements distributed over the circumference, the collet chuck being received in the collet-chuck-receiving region so as to be displaceable in the axial direction relative to the base body, the clamping elements being displaceable in the radial direction by axial displacement of the collet chuck relative to the base body, and

a sealing element, which is arranged in the seal-receiving region and forms a seal between the line-shaped component and the base body;

wherein the connection device is configured to receive line-shaped components with different line diameters in the hose-receiving region,

wherein a first axial stop is formed in the base body, having a first cylindrical lateral surface with a first axial stop diameter, and a second axial stop is formed, having a second cylindrical lateral surface with a second axial stop diameter,

wherein a first type of the line-shaped components with a first line diameter can be attached to the first axial stop, and a second type of line-shaped components with a second line diameter can be attached to the second axial stop,

wherein the first axial stop has a first end face and the second axial stop has a second end face,

wherein the first end face and the second end face are arranged spaced apart from one another in the axial direction at an end face distance,

wherein the first axial stop and the second axial stop are aligned parallel to each other, and

wherein the second axial stop diameter is between 87% and 99.9% of the connection opening diameter such that the line-shaped components having different line diameters can be secured in the axial direction in the connection device.