A fixing support and a blood glucose meter

Abstract

The utility model discloses a fixed support and blood sugar appearance, including casing, two through -holes, two groove boards and draw -in groove, the inside of casing has the containing cavity of opening upwards, and the both sides of containing cavity are provided with the through -hole of penetrating casing respectively, and two through -holes are arranged symmetrically, and the both sides of containing cavity still are provided with two groove boards, and groove board and through -hole one -to -one correspond, and the side that fixed groove is away from the through -hole is provided with draw -in groove, and draw -in groove penetrates groove board, through the fixed groove that groove board and cavity inner wall combine into the opening upwards, cooperate the draw -in groove of fixed groove side away from the through -hole penetration groove board, form the double limit structure to air passage, and fixed groove can carry out integral clamping positioning to air passage, ensure air passage and through -hole accurate correspondence to stabilize the connection external adapter plug, and draw -in groove then further forms the restraint to the side that air passage is away from the through -hole, not only has promoted the stability and reliability of air passage fixed, still guaranteed the normal of negative pressure formation and blood sample detection.