Door frame comprising a frame and a wall clamp attached thereto

Door frame comprising:

• a frame post which is provided with a rear with which the frame post is fixed during use against a reveal of a wall opening in a wall, and
• a wall clamp, which is attached to the frame post, for fixing the frame post against the reveal of the wall opening, which the wall clamp has two clamping parts, each of which comprises:
• a fastening portion, including a first screw for securing said fastening portion to the frame post, and
• a clamping jaw, which projects backwards at the rear of the frame post,
• of which the two clamping parts a first clamping part is present near a first longitudinal edge of the rear of the frame post and the other, second clamping part is present near a second longitudinal edge at the rear and is movably connected to the frame post in such a way that the clamping jaws can be moved towards and away from each other,
• wherein:
• the rear of the frame post is provided with a groove that extends over the entire length of the frame post and is present at an angle of 10-50 degrees to the rear, wherein the groove extends in the frame post from the first longitudinal edge of the rear in the direction of an opposite side, and
• the fastening portion of the second clamping part is coupled to the clamping jaw of the second clamping part at an angle such that said fastening portion partly protrudes into the groove and is displaceable in and out of the groove by displacing means which are part of the wall clamp.