Disk brake having a pad-retaining clip and a securing device, and brake pad set

A disk brake for a vehicle, comprising:

• a brake disk with a brake disk axis of rotation;
• a brake caliper with an application section and a rear section;
• at least two brake pads with in each case one pad rear plate;
• a pad retaining spring for each of the at least two brake pads;
• a pad retaining clip configured to be detachably located on the brake caliper and preload the at least two brake pads in a radially-inward direction;
• and
• a securing device configured to secure the pad retaining clip on the brake caliper, the securing device forming a detachable connection between the pad retaining clip and the pad rear plate of a rear side one of the at least two the brake pads,
• wherein
• the securing device has at least one bracket element and at least one retainer,
• when in an installed state of the pad retaining clip, at least one section of the at least one bracket element engages with at least one section of the retainer, and
• the securing device is configured such that during the mounting and dismounting of the pad retaining clip, the at least one section of the at least one bracket element is movable counter to a spring force of the at least one section of the at least one bracket element or of at least one section connected to the at least one section of the at least one bracket element,
• the retainer of the securing device is integrated into the pad rear plate of the rear-side brake pad,
• the retainer has at least one opening through which the at least one section of the at least one bracket element extends,
• an axial thickness of a web section above each of the at least one opening is less a thickness of the pad rear plate, and
• in the installed state of the pad retaining clip, the at least one section of the at least one bracket element engages with the at least one section of the retainer with an end of the at least one section closer to the brake disk than the web section of each of the at least one opening.