Detection test tube placing bracket

The utility model discloses a detection test tube placing bracket which comprises a bottom frame, a support is arranged above the rear side of the bottom frame, a clamping plate is arranged inside the upper side of the support, a test tube opening is formed in the inner side of the clamping plate, an upper plate is arranged on the upper side of the clamping plate, and a clamping plate is arranged on the upper side of the upper plate. A falling opening is formed in the inner side position of the upper plate, a buffering structure is arranged at the inner side position of the falling opening and comprises a buffering inner cavity, springs and a buffering ring, the buffering ring is arranged at the upper position of the inner side of the buffering inner cavity, and the springs are arranged at the four corners of the lower side of the buffering ring correspondingly; through the arrangement of the buffer structure, a user can directly loosen the hand at the falling opening 7 instead of lightly holding and placing