CN217561516U - Conveniently change molecular diagnosis centrifugation testing arrangement of test card - Google Patents

Abstract

The utility model discloses a conveniently change molecular diagnosis centrifugation testing arrangement of test card, comprises a box bod, there is the motor in the box body, there is the fixed plate motor upper end, there is the second circular slot on the fixed plate, the motor upper end runs through the fixed plate, and the tip has the revolving stage, the revolving stage both sides have the ball, there is the lock dish on the ball, there is first circular slot lock dish lower extreme, there is the workstation on the revolving stage, the workstation has the feed inlet, there is first water pipe feed inlet one side, first water pipe one end has the separating tank, there is the second water pipe separating tank one side, the other end of second water pipe has first reaction zone, the separating tank opposite side has the third water pipe, third water pipe one end has the second reaction zone, there is the drawer in first reaction zone and the second reaction zone. The utility model discloses the ball that increases makes the revolving stage more steady when rotating, increases the experiment accuracy, and the test paper is conveniently changed to the newly-increased drawer, saves time.

Description

Conveniently change molecular diagnosis centrifugation testing arrangement of test card

Technical Field

The utility model relates to a chemistry detects technical field, especially relates to a conveniently change molecular diagnosis centrifugal test device of test card.

Background

Molecular diagnosis is to study the existence, structure or expression regulation and control change of human endogenous or exogenous biological molecules and molecular systems by using molecular biology technology and method, and provide information and decision basis for prevention, prediction, diagnosis, treatment and outcome of diseases. The microfluidic technology is a technology for processing or operating micro fluid by using a micro pipeline, and has the advantages of less sample consumption, high detection speed, simple and convenient operation, multifunctional integration, small size, convenience in carrying and the like, so that the microfluidic technology is particularly suitable for developing bedside diagnosis.

In the prior art (with the publication number of CN 208146230U), a molecular diagnosis centrifugal test device with a test card convenient to replace comprises a case, wherein an outer slide rail is fixedly connected to the top end of the case, a slide plate is slidably connected to the inside of the outer slide rail, a push rod is fixedly connected to one end of the slide plate, flanges are fixedly connected to the outer wall of the case, an electric heating wire is fixedly connected between the two flanges, a servo motor is fixedly connected to the center of the inside of the case, and a rotating shaft is fixedly connected to the output end of the servo motor. This deciduous tooth pulp stem cell room temperature centrifuge, can guarantee the leakproofness when this centrifuge uses through setting up slide and push rod, prevent that the cell from spilling, further spring and the gyro wheel through setting up, the effect of the supplementary slip of gyro wheel and the support of spring, however the utility model discloses some shortcomings still exist, the device is not perfect enough to the stability of revolving stage during operation, can lead to the not accurate enough of separation, influence the experimental result, and the inconvenient change of test paper, extravagant change time, need improve current molecular diagnosis centrifugal test device for this reason.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a molecular diagnosis centrifugal test device which is convenient for replacing a test card.

In order to realize the purpose, the utility model adopts the following technical scheme: a molecular diagnosis centrifugal test device facilitating replacement of a test card comprises a box body, wherein a motor is arranged at the center of the lower inner wall of the box body, the lower end of the motor is fixedly connected to the lower inner wall of the box body, a fixing plate is arranged at the upper end of the motor, the side wall of the fixing plate is fixedly connected to the inner side wall of the box body, a second circular groove is formed in the upper end face, close to the edge, of the fixing plate, the upper end of an output shaft of the motor penetrates through the lower end face of the fixing plate, a rotating table is fixedly connected to the end of the output shaft of the motor, round balls are respectively arranged at the centers of the two side walls of the rotating table, locking discs are arranged at the upper ends of the two round balls, a first circular groove is formed in the lower end face, close to the edge, of the lower end face of each locking disc, and four working tables are respectively and fixedly connected to the upper end face of the rotating table;

four be equipped with the feed inlet on the workstation up end respectively, four a feed inlet lateral wall is equipped with first water pipe respectively, four the one end of first water pipe runs through a lateral wall of four feed inlets respectively, four the other end of first water pipe is equipped with the separating tank respectively, four separating tank lateral wall center department is equipped with the second water pipe respectively, four second water pipe one end runs through a lateral wall of four separating tanks respectively, four the other end of second water pipe is equipped with first reaction zone respectively, four second water pipe one end runs through a lateral wall of four first reaction zones respectively, four another lateral wall of separating tank is equipped with the third water pipe respectively, four third water pipe one end runs through a lateral wall of four separating tanks respectively, four the third water pipe other end is equipped with the second reaction zone respectively, four third water pipe one end runs through a lateral wall of four second reaction zones respectively, four first reaction zone all is equipped with the drawer with four second reaction zone insides.

As a further description of the above technical solution:

the eight positions close to the upper parts of the inner side walls of the drawers are respectively provided with test paper.

As a further description of the above technical solution:

and the eight upper end surfaces of the four workbenches at the upper end of the drawer are respectively provided with an observation groove.

As a further description of the above technical solution:

the two balls roll between the first circular groove and the second circular groove.

As a further description of the above technical solution:

the up end symmetry of lock dish is equipped with the screw, two the screw lower extreme runs through the up end of lock dish respectively, and tip threaded connection is on the up end of box body.

As a further description of the above technical solution:

rivets are arranged on one side wall of each of the two balls, one end of each rivet penetrates through one side wall of each of the two balls, the end portion of each rivet is fixedly connected to one side wall of the rotating table, and the two rivets are movably connected with the two balls.

As a further description of the above technical solution:

the upper part of the center of the rear side wall of the lock disc is hinged with a protective cover.

As a further description of the above technical solution:

the drawer is characterized in that a rotating block is arranged on one side wall of each of the four working tables at the upper end of the drawer, and the rotating blocks are respectively and rotatably connected to one side wall of each of the four working tables.

The utility model discloses following beneficial effect has:

the utility model discloses conveniently change the molecular diagnosis centrifugation testing arrangement of test card and improved the revolving stage, added two roll balls on the revolving stage lateral wall, and fixed through fixed plate and lock dish, it is more smooth-going during the operation, can not be because the revolving stage is unstable during the operation to cause the uneven condition of separation, ensured the accuracy of experiment.

The utility model discloses the convenient molecular diagnosis centrifugation testing arrangement who changes test card has added the drawer, the inside wall upper end of drawer is equipped with the test paper, after the experiment again, add clear water at the feed inlet, starter motor washs, rotate rotatory piece after the washing, take out the drawer, take off the test paper, pour remaining reagent in the drawer, change new test paper, put into the reaction zone, it finishes to change the test paper to turn back rotatory piece, the time of wasing the instrument has been saved, the time of changing the test paper has also been reduced.

Drawings

Fig. 1 is a perspective view of a molecular diagnosis centrifugal test device with a conveniently replaced test card according to the present invention;

FIG. 2 is a top view of the centrifugal testing device for molecular diagnosis with easy replacement of the test card according to the present invention;

FIG. 3 is a top sectional view of the centrifugal testing device for molecular diagnosis with easy replacement of the test card according to the present invention;

fig. 4 is a front sectional view of the molecular diagnosis centrifugal test device provided by the present invention, which is convenient for replacing the test card;

fig. 5 is an enlarged schematic view of a point a in fig. 4.

Illustration of the drawings:

1. a box body; 2. a rotating table; 3. a protective cover; 4. a lock disk; 5. a feed inlet; 6. an observation groove; 7. a work table; 8. a drawer; 9. a first water pipe; 10. a second water pipe; 11. a third water pipe; 12. a separation tank; 13. a first reaction zone; 14. a second reaction zone; 15. test paper; 16. a screw; 17. a first circular groove; 18. a second circular groove; 19. a fixing plate; 20. a motor; 21. riveting; 22. a ball; 23. the block is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: the molecular diagnosis centrifugal testing device comprises a box body 1, a motor 20 is arranged at the center of the lower inner wall of the box body 1, the lower end of the motor 20 is fixedly connected to the lower inner wall of the box body 1, a fixing plate 19 is arranged at the upper end of the motor 20, the side wall of the fixing plate 19 is fixedly connected to the inner side wall of the box body 1, a second round groove 18 is arranged at the position, close to the edge, of the upper end face of the fixing plate 19, the upper end of the output shaft of the motor 20 penetrates through the lower end face of the fixing plate 19, the end portion of the rotating table 2 is fixedly connected with a rotating table 2, round balls 22 are respectively arranged at the positions, close to the lower portion, of the centers of the two side walls of the rotating table 2, a locking disc 4 is arranged at the position, close to the upper portion, of the center of the rear side wall of the locking disc 4, a first round groove 17 is arranged at the position, the lower end face of the locking disc 4 is provided with a first round groove 17, the two round balls 22 roll between the first round groove 17 and the second round groove 18, rivets 21 are respectively arranged on one side wall of the two round balls 22, one end wall of the two round balls 21 respectively, one end portion of the two round balls 21 respectively penetrates through one side wall of the rotating table 2, and the two round balls are movably connected with the two round balls 22.

The upper end face symmetry of lock dish 4 is equipped with screw 16, two screw 16 lower extremes run through the upper end face of lock dish 4 respectively, and tip threaded connection is on the up end of box body 1, revolving stage 2 up end is four workstations 7 of fixedly connected with respectively, be equipped with feed inlet 5 on the four workstation 7 up end respectively, four feed inlet 5 lateral walls are equipped with first water pipe 9 respectively, a lateral wall of four feed inlets 5 is run through respectively to the one end of four first water pipes 9, the other end of four first water pipes 9 is equipped with separating tank 12 respectively, add feed inlet 5 with reagent, starter motor 20, reagent gets into separating tank 12 because of the effect of centrifugal force, a lateral wall center department of four separating tank 12 is equipped with second water pipe 10 respectively, a lateral wall of four separating tank 12 is run through respectively to four second water pipe 10 one end, the other end of four second water pipes 10 is equipped with first reaction zone 13 respectively, four second water pipe 10 one end run through a lateral wall of four first reaction zone 13 respectively.

The other side walls of the four separation tanks 12 are respectively provided with a third water pipe 11, one end of each of the four third water pipes 11 respectively penetrates through one side wall of each of the four separation tanks 12, the other end of each of the four third water pipes 11 is respectively provided with a second reaction area 14, one end of each of the four third water pipes 11 respectively penetrates through one side wall of each of the four second reaction areas 14, drawers 8 are respectively arranged in the four first reaction areas 13 and the four second reaction areas 14, under the action of centrifugal force, a reagent in the separation tanks 12, substances with different masses can respectively enter the second reaction areas 14 and the first reaction areas 13 through the third water pipes 14 at the end parts and the second water pipes 13 at the middle parts, and when the reagent flows into the drawers 8 through the test paper 15, eight 8 inside walls of drawer lean on the punishment to be equipped with test paper 15 respectively, be equipped with observation groove 6 on the up end of four workstations 7 of eight 8 upper ends of drawer respectively, observe the reaction condition of test paper 15 through observation groove 6, be equipped with rotatory piece 23 on the lateral wall of four workstations 7 of eight 8 upper ends of drawer respectively, eight rotatory piece 23 difference swivelling joint is on a lateral wall of four workstations 7, after the observation, add the clear water at feed inlet 5, start the electricity, 20 wash, close motor 20 after the washing finishes, rotate rotatory piece 23, take out drawer 8, take out test paper 15, pour the waste liquid in drawer 8, then put test paper 15 again, put back drawer 8, change back rotatory piece.

The working principle is as follows: adding a reagent into the feed inlet 5, starting the motor 20, enabling the reagent to enter the separation tank 12 due to the action of centrifugal force, enabling substances with different masses to enter the second reaction area 14 and the first reaction area 13 respectively through the third water pipe 14 at the end part and the second water pipe 13 at the middle part in the separation tank 12 due to the action of centrifugal force, enabling the reagent to flow into the drawer 8 through the test paper 15, observing the reaction condition of the test paper 15 through the observation tank 6, after the observation is finished, adding clear water into the feed inlet 5, starting the motor 20, cleaning the motor 20, closing the motor 20 after the cleaning is finished, rotating the rotating block 23, taking out the drawer 8, taking out the test paper 15, pouring waste liquid in the drawer 8, putting the test paper 15 again, putting the drawer 8 back, and rotating the rotating block.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (8)

1. The utility model provides a conveniently change molecular diagnosis centrifugation testing arrangement of test card, includes box body (1), its characterized in that: the box is characterized in that a motor (20) is arranged at the center of the lower inner wall of the box body (1), the lower end of the motor (20) is fixedly connected to the lower inner wall of the box body (1), a fixing plate (19) is arranged at the upper end of the motor (20), the side wall of the fixing plate (19) is fixedly connected to the inner side wall of the box body (1), a second circular groove (18) is formed in the upper end face of the fixing plate (19) close to the edge, the upper end of an output shaft of the motor (20) penetrates through the lower end face of the fixing plate (19), the rotating table (2) is fixedly connected to the end portion of the output shaft of the motor, round balls (22) are respectively arranged at the centers of the two side walls of the rotating table (2) close to the lower portion, locking discs (4) are arranged at the upper ends of the round balls (22), a first circular groove (17) is formed in the lower end face of each locking disc (4), and four working tables (7) are respectively and fixedly connected to the upper end face of the rotating table (2);

four be equipped with feed inlet (5) on workstation (7) the up end respectively, four feed inlet (5) a lateral wall is equipped with first water pipe (9) respectively, four the one end of first water pipe (9) runs through a lateral wall of four feed inlets (5) respectively, four the other end of first water pipe (9) is equipped with separating tank (12), four respectively separating tank (12) a lateral wall center department is equipped with second water pipe (10), four a lateral wall that four separating tank (12) were run through respectively to second water pipe (10) one end is equipped with third water pipe (11), four the other end of second water pipe (10) is equipped with first reaction zone (13) respectively, four a lateral wall that four first reaction zone (13) were run through respectively to second water pipe (10) one end, four another lateral wall of separating tank (12) is equipped with third water pipe (11), four third water pipe (11) one end runs through a lateral wall of four separating tank (12) respectively, four the third water pipe (11) the other end is equipped with second reaction zone (14) respectively, four reaction zone (11) one end is equipped with fourth reaction zone (14) one side wall respectively the inside reaction zone (14) and four reaction zone (13) are equipped with second reaction zone (14), four reaction zone (8) respectively.

2. The molecular diagnostic centrifugal test device with convenient test card replacement according to claim 1, wherein: the eight parts close to the upper parts of the inner side walls of the drawers (8) are respectively provided with test paper (15).

3. The molecular diagnostic centrifuge test device with easy replacement of test card according to claim 1, wherein: and the eight working tables (7) at the upper ends of the drawers (8) are respectively provided with an observation groove (6) on the upper end surface.

4. The molecular diagnostic centrifugal test device with convenient test card replacement according to claim 1, wherein: the two round balls (22) roll between the first round groove (17) and the second round groove (18).

5. The molecular diagnostic centrifuge test device with easy replacement of test card according to claim 1, wherein: the upper end face of lock dish (4) symmetry is equipped with screw (16), two the upper end face of lock dish (4) is run through respectively to screw (16) lower extreme, and threaded connection is on the up end of box body (1).

6. The molecular diagnostic centrifugal test device with convenient test card replacement according to claim 1, wherein: the rivet structure is characterized in that rivets (21) are arranged on one side wall of each of the two balls (22), one end of each of the two rivets (21) penetrates through one side wall of each of the two balls (22), the end of each of the two rivets (21) is fixedly connected to one side wall of the rotating table (2), and the two rivets (21) are movably connected with the two balls (22).

7. The molecular diagnostic centrifugal test device with convenient test card replacement according to claim 1, wherein: the upper position of the center of the rear side wall of the lock disc (4) is hinged with a protective cover (3).

8. The molecular diagnostic centrifuge test device with easy replacement of test card according to claim 1, wherein: eight be equipped with respectively on the lateral wall of four workstations (7) in drawer (8) upper end rotatory piece (23), eight rotatory piece (23) swivelling joint is on a lateral wall of four workstations (7) respectively.

Images