CN-117302807-B - Reagent adding device and sample analyzer

Abstract

The application relates to the technical field of medical equipment, in particular to a bin gate opening and closing mechanism, a reagent adding device and a sample analyzer. The bin gate opening and closing mechanism comprises a bin gate, a first blocking part, a driving assembly and a driving component, wherein the first blocking part is arranged on a first preset path, the driving assembly comprises a driving piece and a moving piece connected with the driving piece, the moving piece is detachably connected with the bin gate, the driving piece can drive the moving piece to move to a third position along the forward direction of a second preset path, the first blocking part can enable the bin gate to be separated from the moving piece when the moving piece continuously drives the bin gate to move along the forward direction of the first preset path, the driving piece can drive the moving piece to move to the third position along the reverse direction of the second preset path, the moving piece is detachably connected with the bin gate, and the driving piece can continuously drive the moving piece to move along the reverse direction of the second preset path so as to drive the bin gate to move to the second position along the reverse direction of the first preset path. The bin gate opening and closing mechanism provided by the application can enable the heat preservation performance of the bin body to be good.

Inventors

• LUO MINGMING
• ZHANG ER
• GAO ZHICHENG

Assignees

• 迈克医疗电子有限公司

Dates

Publication Date

20260505

Application Date

20220622

Claims (20)

1. 1. A reagent adding apparatus for use in a sample analyzer, the reagent adding apparatus comprising: the reagent storage unit comprises a bin body and a conveying mechanism arranged in the bin body and used for storing and conveying reagent bottles to be replaced, wherein the bin body comprises a bin cover provided with an opening, and the conveying mechanism is opposite to the bin cover at intervals; the door switch mechanism, door switch mechanism includes: A door movable in a forward direction of a first predetermined path to a first position to close the opening, the door movable in a reverse direction of the first predetermined path to a second position to open the opening; the first blocking part is arranged on the first preset path; The driving assembly comprises a driving piece and a moving piece connected with the driving piece, wherein the moving piece is detachably connected with the bin gate, and a transfer tray for caching reagent bottles to be replaced is arranged on the moving piece; The driving piece can drive the moving piece to move to a third position along the forward direction of the second preset path so as to drive the bin gate to move to the first position along the forward direction of the first preset path, the first blocking part can enable the bin gate to be separated from the moving piece when the moving piece continues to drive the bin gate to move along the forward direction of the first preset path, and the moving piece is further used for continuing to move along the forward direction of the first preset path so as to drive the transfer tray to extend out of the shell of the sample analyzer; the driving piece can drive the moving piece to move to the third position along the reverse direction of the second preset path, so that the moving piece is detachably connected with the bin gate, and the driving piece can continuously drive the moving piece to move along the reverse direction of the second preset path so as to drive the bin gate to move to the second position along the reverse direction of the first preset path; The reagent adding device further comprises a reagent pick-up unit for picking up reagent bottles to be replaced, the reagent pick-up unit being used for transferring reagent bottles between the transport mechanism and the transfer tray.
2. 2. The reagent addition device of claim 1, wherein the door is slidably disposed on the cover along the first predetermined path.
3. 3. The reagent addition device of claim 2, wherein the door is slidably disposed on the cover along the first predetermined path by a slide assembly.
4. 4. The reagent adding apparatus according to claim 3, wherein the slide rail assembly includes a first rail provided on the deck and extending along the first predetermined path, and a slider slidably provided on the first rail, the door being connected to the slider.
5. 5. The reagent adding apparatus according to claim 4, wherein the first rail is a linear rail.
6. 6. The reagent adding apparatus according to claim 1, wherein the moving member is detachably connected to the door by an automatic connecting member; The automatic connecting assembly comprises a first attraction piece and a second attraction piece, wherein the first attraction piece is arranged on the moving piece, the second attraction piece is arranged on the bin door, the moving track of the first attraction piece and the moving track of the second attraction piece at least partially coincide, or the automatic connecting assembly comprises a first clamping piece and a second clamping piece, the first clamping piece is arranged on the moving piece, the second clamping piece is arranged on the bin door, and the moving track of the first clamping piece and the moving track of the second clamping piece at least partially coincide.
7. 7. The reagent adding apparatus according to claim 6, wherein the first and second attraction members are each a magnet, or one of the first and second attraction members is a magnet and the other is a ferromagnetic member.
8. 8. The reagent adding apparatus according to claim 1, wherein the driving member comprises: A bracket; The belt wheel assembly is arranged on the bracket, and the moving piece is connected with the belt wheel assembly; The power piece is arranged on the support and connected with the belt wheel assembly, and the power piece is used for driving the moving piece to move along the second preset path through the belt wheel assembly.
9. 9. The reagent adding apparatus according to claim 8, wherein the driving member further includes a second rail provided on the holder and extending along the second preset path, and the moving member is slidably provided on the second rail in an extending direction of the second rail.
10. 10. The reagent adding apparatus according to claim 9, wherein the second rail is a linear rail.
11. 11. The reagent adding apparatus according to any one of claims 1 to 10, wherein the first preset path is parallel to the second preset path.
12. 12. The reagent adding apparatus according to any one of claims 1 to 10, wherein the door opening and closing mechanism further comprises an adapter member movably provided on the cover in a direction parallel to the first preset path, the adapter member being for detachable connection with the moving member, the adapter member and the door being relatively movably connected within a preset distance in a direction parallel to the first preset path.
13. 13. The reagent adding apparatus according to claim 12, wherein the adapter and the cartridge door are relatively movably connected within a predetermined distance in a direction parallel to the first predetermined path by a bar-shaped hole structure.
14. 14. The reagent adding apparatus according to claim 13, wherein the bar-shaped hole structure includes a bar-shaped hole and a guide bar, one of the bar-shaped hole and the guide bar is provided on the adapter, the other is provided on the bin gate, the guide bar is located in the bar-shaped hole, an extending direction of the bar-shaped hole is parallel to the first preset path, and a length of the bar-shaped hole is equal to the preset distance.
15. 15. The reagent adding apparatus according to any one of claims 1 to 10, wherein a gasket is provided on an edge of the opening, the door being in contact with the gasket to seal the opening when the door is in the first position.
16. 16. The reagent adding device of any one of claims 1-10, wherein the door opening and closing mechanism further comprises a second blocking portion disposed on the first predetermined path for blocking the door at the second position when the door is moved to the second position in a reverse direction of the first predetermined path.
17. 17. The reagent adding apparatus according to claim 16, wherein the first blocking portion is provided on the cartridge cover, and/or the second blocking portion is provided on the cartridge cover.
18. 18. The reagent adding device of any one of claims 1-10, wherein the door comprises: A first cover plate; the second cover plate is arranged opposite to the first cover plate and is close to the opening; The heat insulation board is positioned between the first cover plate and the second cover plate, and the first cover plate is connected with the second cover plate.
19. 19. The reagent adding apparatus according to claim 18, wherein the first cover plate is a metal cover plate, and/or the second cover plate is a plastic cover plate, and/or the heat-insulating plate is a heat-insulating cotton plate.
20. 20. The reagent adding apparatus according to claim 19, wherein, The moving piece is used for moving along the reverse direction of the second preset path so as to drive the bin gate to move to the second position along the reverse direction of the first preset path, The reagent pickup unit is used for picking up a reagent bottle to be replaced on the conveying mechanism through the opening and placing the reagent bottle to be replaced in the transfer tray, The moving part is used for moving to the third position along the forward direction of the second preset path so as to drive the bin gate to move to the first position, and the first blocking part can enable the bin gate to be separated from the moving part when the moving part continuously drives the bin gate to move along the forward direction of the first preset path so as to enable the moving part to independently drive the transfer tray to extend out of the sample analyzer; Or alternatively, the first and second heat exchangers may be, The moving part is used for moving the transfer tray carrying the reagent bottles to be replaced to the third position from the outside of the sample analyzer along the reverse direction of the second preset path, so that the moving part is detachably connected with the bin gate, The moving piece is used for continuously moving along the reverse direction of the second preset path so as to drive the bin gate to move to the second position along the reverse direction of the first preset path, and the reagent pickup unit is used for picking up the reagent bottle to be replaced on the transfer tray and placing the reagent bottle to be replaced on the conveying mechanism through the opening.

Description

Reagent adding device and sample analyzer Technical Field The application relates to the technical field of medical equipment, in particular to a bin gate opening and closing mechanism, a reagent adding device and a sample analyzer. Background The reagent cartridge is a structure for storing reagents. Specifically, the reagent cartridge generally includes a cartridge body and a cartridge cover that is attached to the cartridge body. For convenient storage of the reagents in the cartridge body, it is generally necessary to provide an opening in the cartridge cover for storing the reagents in the cartridge body. However, when the bin cover is provided with an opening, the heat insulation performance of the bin body is deteriorated. Disclosure of Invention The application discloses a bin gate opening and closing mechanism, a reagent adding device and a sample analyzer, which can enable the heat preservation performance of a bin body to be improved. In order to achieve the above object, in a first aspect, the present application discloses a door opening and closing mechanism, which is applied to a sample analyzer having a housing, the housing including a housing cover provided with an opening, the door opening and closing mechanism comprising: A door movable in a forward direction of a first predetermined path to a first position to close the opening, the door movable in a reverse direction of the first predetermined path to a second position to open the opening; the first blocking part is arranged on the first preset path; The driving assembly comprises a driving piece and a moving piece connected with the driving piece, and the moving piece is detachably connected with the bin gate; The driving piece can drive the moving piece to move to a third position along the forward direction of a second preset path so as to drive the bin gate to move to the first position along the forward direction of a first preset path, the first blocking part can enable the bin gate to be separated from the moving piece when the moving piece continues to drive the bin gate to move along the forward direction of the first preset path, the driving piece can drive the moving piece to move to the third position along the reverse direction of the second preset path so as to enable the moving piece to be connected with the bin gate in a detachable mode, and the driving piece can continue to drive the moving piece to move along the reverse direction of the second preset path so as to drive the bin gate to move to the second position along the reverse direction of the first preset path. Optionally, the door is slidably disposed on the cover along the first predetermined path. Optionally, the door is slidably disposed on the cover along the first predetermined path by a sliding rail assembly. Optionally, the sliding rail assembly includes a first guide rail and a slider, the first guide rail is disposed on the bin cover and extends along the first preset path, the slider is slidably disposed on the first guide rail, and the bin door is connected with the slider. Optionally, the first guide rail is a linear guide rail. Optionally, the moving member is detachably connected with the bin gate through an automatic connecting component; The automatic connecting assembly comprises a first attraction piece and a second attraction piece, wherein the first attraction piece is arranged on the moving piece, the second attraction piece is arranged on the bin door, the moving track of the first attraction piece and the moving track of the second attraction piece at least partially coincide, or the automatic connecting assembly comprises a first clamping piece and a second clamping piece, the first clamping piece is arranged on the moving piece, the second clamping piece is arranged on the bin door, and the moving track of the first clamping piece and the moving track of the second clamping piece at least partially coincide. Optionally, the first attraction piece and the second attraction piece are magnets, or one of the first attraction piece and the second attraction piece is a magnet, and the other one is a ferromagnetic piece. Optionally, the driving member includes: A bracket; The belt wheel assembly is arranged on the bracket, and the moving piece is connected with the belt wheel assembly; The power piece is arranged on the support and connected with the belt wheel assembly, and the power piece is used for driving the moving piece to move along the second preset path through the belt wheel assembly. Optionally, the driving piece further includes a second guide rail, the second guide rail is disposed on the bracket and extends along the second preset path, and the moving piece is slidably disposed on the second guide rail along the extending direction of the second guide rail. Optionally, the second guide rail is a linear guide rail. Optionally, the first preset path is parallel to the second preset path. Optionally, the door opening and closing mech