A door opening and closing device and a blood analyzer

Abstract

The utility model discloses a bin door opening and closing device and blood analysis appearance, including fixed bolster, the both ends rotation connection of fixed bolster have first rotation axis and second rotation axis, the fixed mounting of first rotation axis has the push rod, and push rod is used for under the drive of external force and drives first rotation axis rotation, the both ends of first rotation axis each installation is one first gear, and the both ends of second rotation axis each installation is one second gear, and first gear is engaged with second gear and is connected. The utility model discloses through the design of acceleration gear set, makes the bin door's opening and closing speed faster, can improve operating efficiency significantly, especially applicable to the detection scene that needs to frequently open and close bin door, simultaneously, adopts double crank mechanism, and bin door opening and closing process is stable, and the structure is reliable, and the failure rate is low, reduces the equipment maintenance cost and downtime, and bin door occupies small after opening, has higher practicality.

Claims

1. A hatch opening and closing device, characterized by, include A fixed bracket is provided, wherein a first rotating shaft and a second rotating shaft are rotatably connected between the two ends of the fixed bracket; a push rod is fixedly installed on the first rotating shaft, and the push rod is used to drive the first rotating shaft to rotate under the drive of an external force; a first gear is installed at each end of the first rotating shaft, and a second gear is installed at each end of the second rotating shaft, and the first gear and the second gear are meshed together. A storage door, which is located above one side of a fixed support; Two first cranks are provided, and the two ends of the second shaft are respectively fixedly connected to one end of one first crank. The other end of each first crank extends toward the back of the compartment door. A first pin is also installed on the back of the compartment door at the position corresponding to the two first cranks, and the other end of the first crank is pivotally connected to the compartment door via the first pin.

2. The bunker door opening and closing device according to claim 1, characterized in that, One end of the push rod is fixedly installed on the first rotating shaft, and the other end of the push rod extends downward at an angle. A connecting pin is also installed laterally on the other end of the push rod. A torsion spring is also installed on the first rotating shaft, and one end of the torsion spring is connected to the lower part of one side of the fixed bracket, and the other end of the torsion spring is connected to one end of the connecting pin.

3. The hatch opening and closing device according to claim 2, characterized in that A bearing is also installed at the other end of the connecting pin.

4. The hatch opening and closing device according to claim 2, characterized in that A fixed vertical plate is connected to each end of one side of the fixed bracket, and the first and second rotating shafts are rotatably connected to the middle of the two fixed vertical plates; a limiting horizontal plate is also connected to the lower part of one side of the fixed bracket, and a limiting notch is opened on one side of the limiting horizontal plate; one end of the torsion spring abuts against the inner wall of the limiting notch.

5. The hatch opening and closing device according to claim 4, characterized in that The door opening and closing device also includes a third rotating shaft and two second cranks; the third rotating shaft is rotatably connected to the upper part of the two fixed vertical plates, and the two ends of the third rotating shaft are respectively fixedly connected to one end of a second crank; the other end of each second crank extends towards the back of the door; a second pin is also installed on the back of the door at the position corresponding to the two second cranks, and the other end of the second crank is pivotally connected to the door via the second pin.

6. The hatch opening and closing device according to claim 5, characterized in that The back of the storage door is vertically connected to two ends of a first bracket, the lower part of the back of the storage door is connected to a second bracket, and the upper part of the back of the storage door is connected to a third bracket. The second and third brackets are both U-shaped. The two vertical ends of the U-shape of the second bracket are respectively arranged on one side of a first bracket, and the two vertical ends of the U-shape of the third bracket are respectively arranged on the other side of a first bracket. The first pin is horizontally installed between the U-shaped vertical ends of the first and second brackets, and the second pin is horizontally installed between the U-shaped vertical ends of the first and third brackets.

7. The hatch opening and closing device according to claim 1, characterized in that The diameter of the first gear is larger than the diameter of the second gear.

8. A blood analyzer comprising the cartridge door opening and closing device according to any one of claims 1 to 7, characterized by It also includes a chassis; the front side of the chassis is provided with a front cover, and a fixed bracket is fixedly installed on the inside of the front cover; the front cover is also provided with an opening, and the compartment door is arranged in the opening; a translation drive mechanism is also installed in the chassis near the push rod, and the translation drive mechanism is used to drive the push rod to drive the first rotating shaft to rotate.

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