CN212845439U

CN212845439U - Full-automatic biochemical analyzer sample replacing device

Info

Publication number: CN212845439U
Application number: CN202021586133.9U
Authority: CN
Inventors: 盖虹全
Original assignee: Shijiazhuang Huizhong Medical Instrument Co ltd
Current assignee: Shijiazhuang Huizhong Medical Instrument Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-03-30
Anticipated expiration: 2030-08-04

Abstract

The utility model relates to a biochemical analysis appearance technical field especially relates to full-automatic biochemical analysis appearance sample replacement device. The sample changing device comprises a shell, a sample changing device arranged in the shell and an intermittent device arranged on the sample changing device; the sample changing device comprises a first motor, a large belt wheel, a small belt wheel and a rotating plate; the first motor is arranged on the shell; the shaft end of the first motor is connected with the small belt wheel key; a roll shaft is arranged in the middle of the rotating plate; the roll shaft is connected with a shell bearing; the large belt wheel is connected with the roll shaft key; the sample changing device is divided into two groups of reagent disks, so that when one group of reagent disks is analyzed, a reagent can be placed into the other reagent disk, and preparation is made in advance; the intermittent device can control the movement distance and ensure that the probe does not deviate from the position; the clamping device is convenient for replacing the reagent disk, ensures that the reagent disk is directly replaced to analyze the next group after one group is analyzed, and can improve the efficiency.

Description

Full-automatic biochemical analyzer sample replacing device

Technical Field

The utility model relates to a biochemical analysis appearance technical field especially relates to full-automatic biochemical analysis appearance sample replacement device.

Background

The full-automatic biochemical analyzer is one of the important analyzers frequently used in clinical examination, and is an instrument for measuring a certain specific chemical component in body fluid by adopting a photoelectric colorimetric principle, and various biochemical indexes are measured by analyzing blood or other body fluids. However, the current analyzer needs to manually place the sample into the reagent tray, and manually take the sample out during replacement, which is very inconvenient and time-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the sample replacing device of the full-automatic biochemical analyzer is provided aiming at the technical defects, the sample replacing device is divided into two groups of reagent discs, which ensures that when one group of reagent discs is analyzed, the reagent is put into the other reagent disc, and the preparation is made in advance; the intermittent device can control the movement distance and ensure that the probe does not deviate from the position; the clamping device is convenient for replacing the reagent disk, ensures that the reagent disk is directly replaced to analyze the next group after one group is analyzed, and can improve the efficiency.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the sample changing device comprises a shell, a sample changing device arranged in the shell and an intermittent device arranged on the sample changing device; the sample changing device comprises a first motor, a large belt wheel, a small belt wheel and a rotating plate; the first motor is arranged on the shell; the shaft end of the first motor is connected with the small belt wheel key; a roll shaft is arranged in the middle of the rotating plate; the roll shaft is connected with a shell bearing; the large belt wheel is connected with the roll shaft key; the large belt wheel and the small belt wheel are connected by a belt; the intermittent device is arranged on the rotating plate; the intermittent device comprises a second motor, a first disc, a second disc, a first fixed shaft and a clamping device; the second motor is arranged on the rotating plate; the shaft end of the second motor is connected with the first disc key; the first fixed shaft bearing is connected to the rotating plate; the second disc is connected with the first fixed shaft key; a cam is arranged on the first disc, and a deflector rod is arranged on the cam; a plurality of sliding grooves are formed in the circumference of the second disc; the deflector rod is in sliding fit in the sliding chute; the clamping device is arranged on the first fixing shaft.

Further optimizing the technical scheme, the clamping device comprises a bottom support, a clamping block, an elastic sheet and a reagent tray; the bottom support is arranged at the top of the first fixed shaft; through grooves are symmetrically arranged on the bottom support; the fixture block rotating shaft is connected in the through groove; one end of the elastic sheet is arranged on the inner wall of the through groove, and the other end of the elastic sheet is arranged on the clamping block; the fixture block is provided with a ball body; a second fixing shaft is arranged at the bottom of the reagent plate, and a ball groove is formed in the position, symmetrical to the ball body, of the second fixing shaft; the ball groove is clamped with the ball body; the second fixed shaft is clamped in the bottom support.

Further optimize this technical scheme, intermittent type device is provided with two sets of on the rotor plate symmetry.

Further optimizing the technical scheme, a first groove is formed in the first disc and positioned at the lower part of the cam; a second groove is arranged on the second disc between the two sliding grooves; a plurality of said second grooves are arranged circumferentially on the second disc; the first groove is in contact fit with the second disc; the second groove is in contact fit with the first disc.

Further optimize this technical scheme, the inside appearance device one side that is located of casing is provided with the analysis appearance.

Compared with the prior art, the utility model has the advantages of it is following: 1. the rotating frame is driven to rotate by the first motor, so that two groups of reagent disks are driven to be replaced, the structure is favorable for ensuring that the analysis speed can be increased, and manual operation is reduced; 2. the first disc drives the second disc to rotate, and the structure is favorable for ensuring that the rotating angle can be controlled and the probe cannot deviate; 3. through the clamping connection of the ball body and the ball groove, the structure is favorable for ensuring that the reagent plate can be clamped in an auxiliary manner, the reagent plate is convenient to replace, and the time for manually replacing the reagent is saved.

Drawings

Fig. 1 is a schematic view of the general structure of a sample replacing device of a full-automatic biochemical analyzer.

Fig. 2 is a back structural schematic diagram of a sample replacing device of the full-automatic biochemical analyzer.

Fig. 3 is a schematic structural diagram of a sample changing device of a sample replacing device of a full-automatic biochemical analyzer.

Fig. 4 is a schematic structural diagram of an intermittent device of a sample replacing device of a full-automatic biochemical analyzer.

FIG. 5 is an exploded view of a latch of a sample changer of a full-automatic biochemical analyzer.

In the figure: 1. a housing; 2. a sample changing device; 3. a batch device; 4. a first motor; 5. a large belt pulley; 6. a small belt pulley; 7. a rotating plate; 8. a roll shaft; 9. a second motor; 10. a first disc; 11. a second disc; 12. a first fixed shaft; 13. a clamping device; 14. a cam; 15. a deflector rod; 16. a chute; 17. a bottom support; 18. a clamping block; 19. a spring plate; 20. a reagent tray; 21. a through groove; 22. a sphere; 23. a second fixed shaft; 24. a ball groove; 25. a first groove; 26. a second groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-5, comprises a shell 1, a sample changing device 2 arranged inside the shell 1 and a pause device 3 arranged on the sample changing device 2; the sample changing device 2 comprises a first motor 4, a large belt wheel 5, a small belt wheel 6 and a rotating plate 7; the first motor 4 is arranged on the shell 1; the shaft end of the first motor 4 is in key connection with the small belt wheel 6; a roller shaft 8 is arranged in the middle of the rotating plate 7; the roll shaft 8 is in bearing connection with the shell 1; the large belt wheel 5 is in key connection with the roller shaft 8; the large belt wheel 5 and the small belt wheel 6 are connected by a belt; the intermittent device 3 is arranged on the rotating plate 7; the intermittent device 3 comprises a second motor 9, a first disc 10, a second disc 11, a first fixed shaft 12 and a clamping device 13; the second motor 9 is arranged on the rotating plate 7; the shaft end of the second motor 9 is in key connection with the first disc 10; the first fixed shaft 12 is connected to the rotating plate 7 through a bearing; the second disc 11 is in key connection with the first fixed shaft 12; a cam 14 is arranged on the first disc 10, and a shift lever 15 is arranged on the cam 14; a plurality of sliding grooves 16 are formed in the circumference of the second disc 11; the shift lever 15 is in sliding fit in the sliding groove 16; the clamping device 13 is arranged on the first fixed shaft 12; the clamping device 13 comprises a bottom support 17, a clamping block 18, an elastic sheet 19 and a reagent tray 20; the bottom support 17 is arranged on the top of the first fixed shaft 12; through grooves 21 are symmetrically arranged on the bottom support 17; the fixture block 18 is connected in the through groove 21 in a rotating mode; one end of the elastic sheet 19 is arranged on the inner wall of the through groove 21, and the other end of the elastic sheet is arranged on the fixture block 18; the clamping block 18 is provided with a ball 22; a second fixing shaft 23 is arranged at the bottom of the reagent disk 20, and a ball groove 24 is arranged at the position, symmetrical to the ball body 22, on the second fixing shaft 23; the ball groove 24 is clamped with the ball body 22; the second fixed shaft 23 is clamped in the bottom support 17; two groups of the intermittent devices 3 are symmetrically arranged on the rotating plate 7; a first groove 25 is arranged on the first disk 10 at the lower part of the cam 14; a second groove 26 is arranged on the second disk 11 between the two sliding grooves 16; a plurality of said second grooves 26 are arranged circumferentially on the second disc 11; the first groove 25 is in contact fit with the second disc 11; the second groove 26 is in contact fit with the first disc 10; an analyzer is arranged inside the shell 1 and on one side of the sample changing device 2.

When the reagent tray is used, according to the figures 1 to 5, firstly, reagents are placed in the reagent trays 20, the two groups of reagent trays 20 are respectively placed in the bottom support 17, the second fixing shaft 23 at the bottom of the reagent tray 20 is the same as the bottom support 17 in shape, so that the clamping effect can be achieved when the reagent tray is placed in the reagent tray, the second fixing shaft 23 pushes the fixture block 18 to rotate in the through groove 21, the elastic sheet 19 exerts force until the ball groove 24 is clamped with the ball body 22, the elastic sheet 19 always jacks the fixture block 18, so that the ball body 22 is clamped with the ball groove 24, and the reagent tray 20 is prevented from shaking or deviating when rotating; after the two reagent disks 20 are completely placed, the first motor 4 is started, the first motor 4 drives the small belt wheel 6 to rotate, and the small belt wheel 6 drives the large belt wheel 5 to rotate through a belt, so that a speed reduction effect can be achieved, and the rotating plate 7 is ensured to be more stable in rotation; the large belt wheel 5 drives the roller shaft 8 to rotate, the roller shaft 8 is arranged on the rotating plate 7, so that the rotating plate 7 is driven to rotate, the second motor 9 rotates along with the rotating plate 7, the roller shaft 8 is hollow, and the roller shaft 8 is provided with an electric slip ring, so that the second motor 9 can be electrified; after the first motor 4 drives one group of reagent discs 20 to rotate to the lower part of the probe, the second motor 9 is started to drive the first disc 10 to rotate, the cam 14 on the first disc 10 rotates along with the cam, the poking rod 15 on the cam 14 pokes the sliding groove 16 on the second disc 11 to drive the second disc 11 to rotate, the first fixed shaft 12 on the lower part of the second disc 11 rotates on the rotating plate 7 to form intermittent motion, the rotating angle of the reagent discs 20 can be controlled, the probe cannot be deviated, when the poking rod 15 pokes the sliding groove 16, the first groove 25 is in contact with the second disc 11, after the poking rod 15 is separated from the sliding groove 16, the second groove 26 is in contact with the first disc 10, the second disc 11 can be controlled not to rotate at the moment, and the attached drawing 4 shows; the first motor 4 and the second motor 9 are both stepping motors, so that the control is convenient; after the reagent in a set of reagent dish 20 is accomplished in the analysis, can directly control first motor 4 once more, rotate another group of reagent dish 20 to the probe lower part, two sets of whole analysis after accomplishing, can directly take off reagent dish 20, ball groove 24 separates with spheroid 22, puts into the reagent of next group needs analysis, analyzes once more, and whole equipment has guaranteed can carry out the analysis of reality fast, increases work efficiency, reduces the manual operation when the analysis.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. Full-automatic biochemical analyzer sample changes device, its characterized in that: the sample changing device comprises a shell (1), a sample changing device (2) arranged in the shell (1) and an intermittent device (3) arranged on the sample changing device (2); the sample changing device (2) comprises a first motor (4), a large belt wheel (5), a small belt wheel (6) and a rotating plate (7); the first motor (4) is arranged on the shell (1); the shaft end of the first motor (4) is in key connection with the small belt wheel (6); a roll shaft (8) is arranged in the middle of the rotating plate (7); the roll shaft (8) is in bearing connection with the shell (1); the large belt wheel (5) is in key connection with the roller shaft (8); the large belt wheel (5) is connected with the small belt wheel (6) through a belt; the intermittent device (3) is arranged on the rotating plate (7); the intermittent device (3) comprises a second motor (9), a first disc (10), a second disc (11), a first fixed shaft (12) and a clamping device (13); the second motor (9) is arranged on the rotating plate (7); the shaft end of the second motor (9) is in key connection with the first disc (10); the first fixed shaft (12) is connected to the rotating plate (7) through a bearing; the second disc (11) is in key connection with the first fixed shaft (12); a cam (14) is arranged on the first disc (10), and a shift lever (15) is arranged on the cam (14); a plurality of sliding grooves (16) are formed in the circumference of the second disc (11); the shifting rod (15) is in sliding fit in the sliding groove (16); the clamping device (13) is arranged on the first fixed shaft (12).

2. The full-automatic biochemical analyzer sample replacing device according to claim 1, wherein: the clamping device (13) comprises a bottom support (17), a clamping block (18), an elastic sheet (19) and a reagent tray (20); the bottom support (17) is arranged at the top of the first fixed shaft (12); through grooves (21) are symmetrically arranged on the bottom support (17); the rotating shaft of the fixture block (18) is connected in the through groove (21); one end of the elastic sheet (19) is arranged on the inner wall of the through groove (21), and the other end of the elastic sheet is arranged on the clamping block (18); the fixture block (18) is provided with a ball body (22); a second fixed shaft (23) is arranged at the bottom of the reagent plate (20), and a ball groove (24) is formed in the position, symmetrical to the ball body (22), of the second fixed shaft (23); the ball groove (24) is clamped with the ball body (22); the second fixed shaft (23) is clamped in the bottom support (17).

3. The full-automatic biochemical analyzer sample replacing device according to claim 1, wherein: two groups of the intermittent devices (3) are symmetrically arranged on the rotating plate (7).

4. The full-automatic biochemical analyzer sample replacing device according to claim 1, wherein: a first groove (25) is arranged on the first disc (10) and positioned at the lower part of the cam (14); a second groove (26) is arranged on the second disc (11) and positioned between the two sliding grooves (16); a plurality of said second grooves (26) are arranged circumferentially on the second disc (11); the first groove (25) is in contact fit with the second disc (11); the second groove (26) is in contact fit with the first disc (10).

5. The full-automatic biochemical analyzer sample replacing device according to claim 1, wherein: an analyzer is arranged on one side of the sample changing device (2) inside the shell (1).