CN217795773U - Reagent kit - Google Patents

Abstract

The utility model relates to a reagent box, which comprises a first reagent bottle, a second reagent bottle and a fixed bracket, wherein the first reagent bottle is arranged at the front end of the fixed bracket, and the second reagent bottle is arranged at the rear end of the fixed bracket; the first reagent bottle is internally provided with a raised rib position, the inner surface of the bottle body is smooth, and the intersection of all the surfaces is a fillet; the bottom of the first reagent bottle is provided with a first connecting part for connecting the reagent bin rotary table; and a second connecting part connected with the reagent bin rotary table is arranged on the side surface of the fixing bracket. The utility model discloses prevented effectively that solid phase solution from mixing inhomogeneous condition in the testing process to can fix steadily on devices such as reagent storehouse under the condition that reduces the structure complexity, prevent to take off and take off or get rid of.

Description

Kit

Technical Field

The utility model relates to the field of medical equipment, in particular to a kit.

Background

An immunoassay analyzer is a tool for diagnosing some diseases by using immunodiagnostic techniques. In the process of detecting a sample by using an immunoassay analyzer, it is necessary to label an antigen or an antibody with a chemiluminescent substance or an enzyme as a labeling substance, and these reagents containing the chemiluminescent substance or the enzyme are used in a uniformly mixed state, so that a conventional immunoassay analyzer includes a reagent chamber and a reagent kit, and the reagent kit carries one or more reagents as required. When the device works, the reagent box is arranged in the reagent bin, the reagent bin transfers the reagent box to the reagent filling position through rotation, and the reagent arm sucks the reagent in the reagent box and fills the reagent box into the reaction tube. In order to mix the reagents uniformly when they are filled into the reaction tube, a shaking device is usually incorporated in the reagent cartridge of the prior art, but the reagent cartridge is limited to a structure of a reagent cartridge, and the effect of mixing the reagents with the solid solution is not satisfactory. In addition, because the during operation reagent storehouse is in the rotation state, if the kit is connected insecure with the reagent storehouse, the problem that the kit pine takes off or gets rid of and takes off can appear, therefore, kit or connection structure among the prior art are complicated, the processing degree of difficulty, or connection structure is simple, appear easily that the pine takes off or get rid of the problem of taking off.

SUMMERY OF THE UTILITY MODEL

To the technical problem who exists among the prior art, the utility model provides a kit for effectively prevent that the inhomogeneous condition of mixture from appearing in reagent in the testing process, and can stably fix on devices such as reagent storehouse under the condition that reduces the structure complexity, prevent to take off and take off or get rid of.

In order to achieve the above object, the present invention provides the following technical solutions:

a kit, comprising: the reagent bottle comprises a first reagent bottle, a second reagent bottle and a fixing bracket, wherein the first reagent bottle is arranged at the front end of the fixing bracket, the second reagent bottle is arranged at the rear end of the fixing bracket, a raised rib position is arranged in the first reagent bottle, the inner surface of the first reagent bottle is smooth, and the intersection of the surfaces is a fillet; the bottom of first reagent bottle is provided with the first connecting portion that are used for connecting reagent storehouse carousel draw-in groove, the side bottom of fixed bolster is provided with the second connecting portion of the mixing base of connecting the reagent storehouse carousel.

Preferably, the first connecting part at the bottom of the first reagent bottle is of a claw structure, and the claw structure comprises a plurality of protrusions arranged at intervals.

Preferably, the first reagent bottle is internally provided with a first protruding rib position.

Preferably, the first protruding rib is a convex surface and/or a rib along the longitudinal direction of the first reagent bottle body.

Preferably, the number of the first protruding ribs is more than two.

Preferably, the more than two first protruding ribs are uniformly distributed inside the first reagent bottle body.

Preferably, the bottom of the interior of the first reagent bottle is provided with a second protruding rib position.

Preferably, a first boss is arranged around the bottle mouth of the first reagent bottle, and the first boss is arranged at the top end of the front end of the fixing bracket; a second boss is arranged at the middle lower part of the bottle body surrounding the first reagent bottle and is arranged at the bottom end of the front end of the fixed bracket; and the second boss is provided with a unidirectional chamfer which inclines from the bottle bottom to the bottle mouth.

Preferably, the diameter of the first reagent bottle decreases from the bottle mouth to the bottle bottom in the axial direction.

Preferably, one or more second connecting parts are respectively arranged at the bottoms of the two side surfaces of the fixing bracket, and the plurality of second connecting parts are arranged at intervals in the transverse direction or in the longitudinal direction.

Preferably, the second connecting part is an elastic bulge structure.

Preferably, the two sides of the reagent bottle are respectively provided with a protrusion, the corresponding positions of the front side and the back side of the fixing bracket are provided with openings, and the openings are matched with the protrusions.

Preferably, the mounting bracket is provided with a first bracket hole for mounting the first reagent bottle and a second bracket hole for mounting the reagent bottle.

Preferably, the number of the second bracket holes is two or more, a special-shaped partition plate is arranged between two adjacent second bracket holes, and the side surface of the second reagent bottle body adjacent to the special-shaped partition plate is in a special shape matched with the special-shaped partition plate.

Preferably, the shape of the special-shaped partition plate is circular arc; correspondingly, the side surfaces of two second reagent bottle bodies adjacent to the special-shaped partition plate are respectively in an outward convex arc shape and an inward concave arc shape matched with the arc-shaped special-shaped partition plate.

Preferably, the bottom of the reagent bottle is provided with a special-shaped groove connected with the reagent bin rotary disc.

The utility model discloses the bottom of the first reagent bottle in the reagent box is provided with the first connecting part, which is fixed with the reagent mixing system on the reagent bin rotary table, when the power mechanism of the reagent mixing system, such as the mixing motor, rotates, the rotation of the power mechanism is transmitted to the first reagent bottle through the first connecting part, so that the first reagent bottle rotates; when the first reagent bottle rotates, the raised rib position arranged inside the first reagent bottle plays a role in stirring, the inner surface of the first reagent bottle is smooth, and the intersection of all surfaces is a round angle, so that solid particles in a solid-phase solution can be effectively prevented from being attached to the bottle wall or precipitating, such as magnetic bead particles, and the solid particles in the solid-phase solution are uniformly distributed in the solution. In addition, be provided with the second connecting portion bottom the side of kit mounting bracket to can make mounting bracket block firmly on the reagent storehouse carousel, mix screens or locating hole in the cooperation reagent mixing system, can effectively solve the kit pine and take off or get rid of the problem of taking off.

Drawings

Preferred embodiments of the present invention will be described in further detail below with reference to the attached drawings, wherein:

fig. 1 is a schematic perspective view of a kit according to an embodiment of the present invention;

fig. 2 is a diagram of the bottom of a first reagent bottle of a reagent kit according to an embodiment of the present invention cooperating with a reagent chamber turntable;

fig. 3 is a schematic front view of a kit according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of another perspective view of a kit according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of another perspective view of a kit according to an embodiment of the present invention;

fig. 6 is a schematic cross-sectional view of a reagent cartridge mounted on a reagent cartridge carousel according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of a second reagent bottle and a third reagent bottle according to an embodiment of the present invention;

fig. 8 is a schematic longitudinal section of a reagent cartridge at a second reagent bottle according to an embodiment of the present invention;

figure 9 is a top view of a first reagent bottle according to one embodiment of the present invention;

fig. 10 is a schematic longitudinal cross-sectional view of a first reagent bottle according to an embodiment of the present invention;

fig. 11 is a top view of a mounting bracket of a reagent cartridge according to an embodiment of the present invention; and

fig. 12 is a top view of a reagent cartridge mounting bracket and reagent bottle assembly according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the following detailed description, reference is made to the accompanying drawings that form a part hereof, and in which is shown by way of illustration specific embodiments of the application. In the drawings, like numerals describe substantially similar components throughout the different views. Various specific embodiments of the present application are described in sufficient detail below to enable those skilled in the art to practice the teachings of the present application. It is to be understood that other embodiments may be utilized and structural, logical or electrical changes may be made to the embodiments of the present application.

The utility model provides a kit, it is used for bearing multiple reagent, mainly is applied to medical analysis appearance such as chemiluminescence immunoassay appearance on.

Fig. 1 is a schematic perspective view of a kit according to an embodiment of the present invention. In this embodiment, the reagent kit comprises a first reagent bottle 1, a fixing bracket 2, a second reagent bottle 3 and a third reagent bottle 4, wherein the second reagent bottle 3 and the third reagent bottle 4 are the same type of reagent bottle with respect to the first reagent bottle 1. First reagent bottle 1 sets up in the front end of fixed bolster 2, second reagent bottle 3 with third reagent bottle 4 set gradually in the rear end of fixed bolster 2, the bottom of first reagent bottle 1 is provided with the first connecting portion that is used for connecting the reagent storehouse carousel, for example the jack catch 12 shown in fig. 1. The first connecting part can also be in other structures, such as a gear structure, a thread structure and the like according to different structures on the reagent bin rotary disc.

The first reagent bottle 1 is used for containing a magnetic bead solution, and the first connecting portion at the bottom of the first reagent bottle is of a claw structure and comprises a plurality of protrusions which are arranged at intervals. The first reagent bottle cap 13 is disposed on the top of the first reagent bottle 1, and is used for sealing the first reagent bottle 1 during storage to prevent the reagents in the first reagent bottle 1 from volatilizing or spilling. When the chemiluminescence immunoassay analyzer performs detection work, the first reagent bottle cap 13 needs to be removed, so as to suck a solid-phase (such as magnetic bead) solution from the first reagent bottle 1.

The fixing bracket 2 is used for fixing the first reagent bottle 1, the second reagent bottle 3 and the third reagent bottle 4 respectively arranged in the fixing bracket. The both sides face top of mounting bracket 2 is provided with three bellied horizontal muscle 20 respectively, makes things convenient for operating personnel gripping, especially is installing the kit at detecting instrument's in-process, through horizontal muscle 20 can increase operating personnel finger with mounting bracket 2's frictional force prevents to skid, makes operating personnel power of using more easily, and is easy to assemble. The side surface of the bottom of the fixing bracket 2 is provided with a second connecting part for connecting the reagent chamber rotary disc, such as an elastic bulge 22 shown in fig. 1 and an elastic bulge 23 shown in fig. 3 and 5.

The reagent bottle caps 31 and 41 are respectively arranged on the tops of the second reagent bottle 3 and the third reagent bottle 4 to seal the second reagent bottle 3 and the third reagent bottle 4, and the purpose is also to prevent the reagents in the reagent bottles from volatilizing or spilling. When the chemiluminescence immunoassay analyzer performs detection work, the reagent bottle cap 31 and the reagent bottle cap 41 need to be removed so as to suck reagent solution from the second reagent bottle 3 and the third reagent bottle 4. The second reagent bottle 3 and the third reagent bottle 4 can be used for containing different reagent solutions.

In this embodiment, first reagent bottle 1, fixed bracket 2, second reagent bottle 3 and third reagent bottle 4 that the kit included all are the split type design that can dismantle, convenient nimble equipment. In order to avoid contamination of the reagent solution during refilling, a disposable reagent bottle may be used. From the aspect of process manufacturing, the common process for manufacturing the reagent bottle in the market at present is an injection molding process, so that the bottle mouth and the bottle body of the reagent bottle need to be welded by ultrasonic waves. In this embodiment, the preparation of reagent bottle has adopted the notes technique of blowing, and its advantage includes:

1. the reagent bottle is a whole, has no welding seam, has avoided the risk of weeping.

2. The wall thickness of the injection-blow bottle body is thinner, so the material consumption of the bottle body is less, and the injection-blow bottle is more economic and environment-friendly.

Fig. 2 is a structural diagram of the bottom of the first reagent bottle 1 of the reagent kit matching with the reagent chamber turntable according to an embodiment of the present invention. In this embodiment, the reagent compartment carousel is provided with a reagent blending system, which includes a carrying tray 5 and a plurality of blending bases 51 arranged thereon at intervals along the circumferential direction. The first connecting portion of 1 bottoms of first reagent bottle is the jack catch structure, including a plurality of archs of interval arrangement. The diameter of the blending base 51 on the bearing disc 5 is slightly larger than that of the first reagent bottle 1 of the reagent kit, the blending base comprises a plurality of annularly arranged convex teeth inside, and the convex teeth arranged at intervals form a clamping groove inserting structure. When the kit from the top down installs when on the mixing base 51, the jack catch 12 of 1 bottom of first reagent bottle closely cooperates with the draw-in groove in the mixing base 51 to make 1 block of first reagent bottle to mixing base 51, when mixing motor drove mixing base 51 and rotates, mixing base 51 will rotate and transmit for first reagent bottle 1, make 1 rotation of first reagent bottle, thereby the magnetic bead solution wherein of mixing, can prevent that the magnetic bead from deposiing, make the magnetic bead distribute in solution evenly again.

Fig. 3 is a schematic front view of a kit according to an embodiment of the present invention. Fig. 4 and fig. 5 are schematic perspective views of two different viewing angles of a reagent kit according to an embodiment of the present invention. Two side bottom ends of the bottom of the fixed bracket 2 are respectively provided with an elastic bulge structure. Specifically, two narrow grooves with a certain depth are respectively formed in one side surface of the bottom of the fixing bracket 2, and protrusions protruding outwards are arranged outside the connecting edges of the two narrow grooves, so that elastic protrusion structures are respectively formed. As shown in fig. 4 and fig. 5, the elastic protrusions 22 and 23 can be provided in a plurality of structures, and the arrangement of the elastic protrusions on both sides of the bottom of the fixing bracket can be a transverse interval arrangement or a longitudinal interval arrangement, so as to increase the firmness.

Fig. 6 is a partial cross-sectional view of a reagent cartridge held on a reagent cartridge carousel according to one embodiment of the invention. In this embodiment, the reagent chamber rotary table is provided with a clamping disc 6, which is installed on the bearing disc 5, and the clamping disc 6 and the bearing disc 5 rotate together with the driving of the power mechanism. A plurality of mixing screens 61 and positioning holes 62 are arranged on the clamping disc 6 along the circumference, and the lower parts of the positioning holes 62 correspond to the mixing bases 51. When the kit is installed, the front end of the fixing bracket 2 and the first reagent bottle 1 are embedded into the positioning hole 62, the clamping jaw at the lower part of the first reagent bottle 1 is fixed with the mixing base 51, and the rear end of the fixing bracket 2 and the two reagent bottles are embedded into the mixing clamping position 61. The elastic bulges 22 and 23 arranged at the bottoms of the two sides of the fixed bracket 2 are used as second connecting parts to be clamped in the blending clamping position 61. In other embodiments, the bottoms of the second reagent bottle 3 and the third reagent bottle 4 are provided with special-shaped grooves, and the mixing block 61 is provided with a matched special-shaped protrusion, so that the firmness of connection can be further increased. In this embodiment, the reagent kit is integrally and firmly fixed by the position clamping disk 6 and rotates along with the bearing disk 5, so that the connection structure of the reagent kit is simplified, the connection firmness is ensured, and the loosening or throwing-off condition is avoided. In addition, because the connecting parts on the two sides of the fixing bracket 2 are elastic parts, after an operator fixes the reagent kit to the blending clamping position 61, the hand feeling of the operator in the falling position can be fed back, so that the operator can clearly feel that the reagent kit is fixed in place.

Fig. 7 is a schematic perspective view of a second reagent bottle and a third reagent bottle according to an embodiment of the present invention. Fig. 8 is a longitudinal sectional view of a reagent cartridge at a second reagent bottle according to an embodiment of the present invention. In this embodiment, the second reagent bottle 3 and the third reagent bottle 4 are provided with protrusions at both sides thereof, and fig. 7 shows only the protrusions 32 and 42 at the same side of the two reagent bottles. Openings, such as the opening 21 shown in fig. 1, are provided at corresponding positions on both front and back side surfaces of the fixing bracket 2. Referring to fig. 8, when the second reagent bottle 3 is mounted in the fixing bracket 2, the protrusions 32 and 33 on both sides of the second reagent bottle 3 are tightly engaged with the openings of the fixing bracket 2 (e.g., the protrusions 32 on both sides of the second reagent bottle 3 are engaged with the openings 21 of the fixing bracket 2), thereby ensuring that the second reagent bottle 3 is assembled with the fixing bracket 2, and similarly, the third reagent bottle 4 is assembled with the fixing bracket 2 by the protrusions on both sides thereof. The second and third reagent bottles 3 and 4 do not come out of the fixing rack 2 even when the reagent cartridge is entirely inverted.

Fig. 9 is a top view of a first reagent bottle of a reagent cartridge according to an embodiment of the present invention. Fig. 10 is a schematic longitudinal sectional view of a first reagent bottle of a reagent cartridge according to an embodiment of the present invention. In this embodiment, the first reagent bottle 1 is provided with a first raised rib 14, which is a convex surface or a rib along the longitudinal direction of the inner surface of the body of the first reagent bottle 1. Referring to fig. 6, a mixing motor (not shown in the figure) as a power source drives the mixing base 51 through a gear connected with the mixing motor, the mixing base 51 is driven by a first connecting part claw 12 at the bottom of the first reagent bottle, at the moment, the bearing disc 5 rotates around the central axis of the bearing disc, the first reagent bottle 1 rotates along with the bearing disc 5, the first reagent bottle 1 is driven by the gear at the bottom of the first reagent bottle to rotate around the axis of the first reagent bottle 1, namely, the first reagent bottle 1 revolves and also rotates, and under the action of revolution and rotation motion, the solution inside the first reagent bottle 1 forms a vortex, so that magnetic beads can be uniformly distributed in the solution. In addition, the two sides of the interior of the first reagent bottle 1 comprise two opposite first protruding rib positions 14 and a second protruding rib position 15 at the bottom. When first reagent bottle 1 rotates, its inside reagent solution forms the vortex more easily, through these protruding muscle position can be more fast the mixing particle solution in first reagent bottle 1. In other embodiments, the number of the first protruding ribs on the inner side of the first reagent bottle 1 may also be two or more, and the first protruding ribs are uniformly distributed on the inner surface of the first reagent bottle 1.

In addition, the inner wall surface of the bottle body of the first reagent bottle 1 is smooth, so that the particles in the first reagent bottle 1 can not be attached to the inner wall surface after being stored for a long time. Meanwhile, the intersection of the inner surfaces of the first reagent bottle 1 is a round angle to ensure that solid particles, such as magnetic bead particles, are not accumulated between the joint gaps.

In some embodiments, the diameter of the first reagent bottle 1 decreases from the bottle mouth to the bottle bottom in the axial direction, and a first boss 16 is arranged around the bottle mouth of the first reagent bottle 1, and the first boss 16 is disposed at the top end of the front end of the fixing bracket 2. And a second boss 17 is arranged at the middle lower part of the bottle body and surrounds the first reagent bottle 1, and the second boss 17 is arranged at the bottom end of the front end of the fixed bracket 2. The distance between the first boss 16 and the second boss 17 is the length of the first bracket hole 24 (shown in fig. 11) in the axial direction at the front end of the fixing bracket 2 or slightly larger than the length of the first bracket hole 24 in the axial direction. The lower edge of the second projection 17 has a one-way chamfer inclined from the bottom toward the mouth, and the first reagent bottle 1 itself has a certain taper, so that the first reagent bottle 1 can be easily put through the first holder hole 24 from top to bottom. In addition, due to the blocking effect of the first boss 16, the first reagent bottle 1 can not be reversely separated from the inside of the first bracket hole 24, and the first reagent bottle 1 can not move up and down in the reagent kit.

Fig. 11 is a top view of a mounting bracket for a reagent cartridge according to an embodiment of the present invention. Fig. 12 is a top view of a reagent cartridge after a reagent cartridge holder and a reagent bottle are combined, according to an embodiment of the present invention. In this embodiment, the mounting bracket 2 is provided with a first bracket hole 24 for mounting the first reagent bottle 1, a second bracket hole 25 for mounting the second reagent bottle 3, and a second bracket hole 26 for mounting the third reagent bottle 4. Since this embodiment includes two reagent bottles in addition to the first reagent bottle 1 for placing the solid solution, and thus corresponds to two second bracket holes (the second bracket hole 25 and the second bracket hole 26), in other embodiments, a plurality of second bracket holes may be provided according to the specific number of reagent bottles. In the present embodiment, a shaped partition 23 is disposed between the two second bracket holes 25 and 26, in the present embodiment, the shaped partition 23 is circular arc, and in other embodiments, the shaped partition 23 may be wave-shaped, polygonal, etc. according to specific requirements.

In this embodiment, the second reagent bottle 3 is fixed in the second rack hole 25 of the fixing rack 2, the third reagent bottle 4 is fixed in the second rack hole 26 of the fixing rack 2, and the lateral surfaces of the second reagent bottle 3 and the third reagent bottle 4 are shaped to match the shaped partition 23 corresponding to the shape of the shaped partition 23. As shown in fig. 12, when the shaped partition 23 is arc-shaped, the side surface of the second reagent bottle 3 adjacent to the shaped partition 23 is convex arc-shaped, and the side surface of the third reagent bottle 4 adjacent to the shaped partition 23 is concave arc-shaped. In other embodiments, when the shape of the shaped partition 23 is designed to be wavy, the bottle sides of the second reagent bottle 3 and the third reagent bottle 4 should match the shape of the shaped partition 23 to fit the shaped partition 23.

Due to the profiled partition 23 between two adjacent second bracket holes and the reagent bottles with matching side shapes, the reagent bottles can only be mounted in the second bracket holes matched with the reagent bottles, as shown in fig. 12, the second reagent bottle 3 can only be mounted in the second bracket hole 25, and the third reagent bottle 4 can only be mounted in the second bracket hole 26, so that the condition of mounting errors when mounting the reagent bottles to the bracket is avoided.

To sum up, the utility model provides a kit cooperatees through the first connecting portion with the first reagent bottle bottom of kit and reagent storehouse carousel, makes first reagent bottle block to the mixing base of reagent storehouse carousel on to the realization drives first reagent bottle swing mixing through the mixing motor, prevents that solid particle among the solid phase solution from deposiing, for example, the magnetic bead granule, so that solid particle can distribute in solution evenly. Simultaneously, the reagent bottle both sides of kit are provided with the arch respectively, and it can cooperate with the trompil on the fixed bolster of kit, guarantees that reagent bottle and fixed bolster equipment target in place to reagent bottle can not deviate from fixed bolster when whole inversion. In addition, be provided with the second connecting portion in the fixed bolster bottom both sides of kit, can make the fixed bolster firmly block on the reagent storehouse carousel to prevent the problem that the kit pine takes off or gets rid of and takes off. In addition, the inner wall of the first reagent bottle is smooth, and the intersection of the surfaces is a round angle, so that the solid particles in the first reagent bottle can not be attached to the surface of the inner wall after being stored for a long time, and the problem that the solid particles are accumulated between the cross-connecting gaps is solved.

The above embodiments are provided only for the purpose of illustration, and are not intended to limit the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the scope of the present invention, and therefore, all equivalent technical solutions should also belong to the scope of the present invention.

Claims (16)

1. A kit comprises a first reagent bottle and a second reagent bottle, and is characterized by further comprising a fixing bracket, wherein the first reagent bottle is arranged at the front end of the fixing bracket, and the second reagent bottle is arranged at the rear end of the fixing bracket; the first reagent bottle is internally provided with a raised rib position, the inner surface of the bottle body is smooth, and the intersection of all the surfaces is a fillet; the bottom of the first reagent bottle is provided with a first connecting part for connecting the reagent bin rotary table; and a second connecting part connected with the reagent bin rotary table is arranged on the side surface of the fixing bracket.

2. The reagent kit of claim 1, wherein the first connecting part at the bottom of the first reagent bottle is a claw structure, and the claw structure comprises a plurality of protrusions arranged at intervals.

3. The reagent kit of claim 1, wherein the first reagent bottle is provided with a first raised rib position inside.

4. The reagent cartridge of claim 3, wherein the first raised rib is a rib along the longitudinal direction of the first reagent bottle body.

5. The kit of claim 3, wherein the number of the first raised rib locations is two or more.

6. The reagent kit of claim 5, wherein the two or more first raised ribs are uniformly distributed inside the first reagent bottle body.

7. The reagent kit of claim 1 or 3, wherein the bottom of the interior of the first reagent bottle is provided with a second raised rib position.

8. The reagent kit of claim 1, wherein a first boss is arranged around the bottleneck of the first reagent bottle, and the first boss is arranged at the top end of the front end of the fixing bracket; a second boss is arranged at the middle lower part of the bottle body surrounding the first reagent bottle and is arranged at the bottom end of the front end of the fixed bracket; and the second boss is provided with a unidirectional chamfer which inclines from the bottle bottom to the bottle mouth.

9. The kit of claim 8, wherein the body of the first reagent bottle decreases in diameter in an axial direction from the mouth to the bottom of the bottle.

10. The reagent kit according to claim 1, wherein one or more second connecting parts are respectively provided at the bottoms of both side surfaces of the fixing bracket, and the plurality of second connecting parts are arranged at intervals in the lateral direction or in the longitudinal direction.

11. The reagent kit of claim 1 or 10, wherein the second connecting portion is an elastic protrusion.

12. The reagent kit according to claim 1, wherein the second reagent bottle is provided with protrusions at two sides of the bottle body, and openings are provided at corresponding positions on the front and back sides of the fixing bracket, and the openings are matched with the protrusions.

13. The kit of claim 1, wherein the mounting bracket is provided with a first bracket hole for mounting the first reagent bottle and a second bracket hole for mounting the second reagent bottle.

14. The reagent kit of claim 13, wherein the second bracket holes are two or more, a shaped partition is disposed between two adjacent second bracket holes, and the side of the second reagent bottle body adjacent to the shaped partition has a shape matching the shaped partition.

15. The kit of claim 14, wherein the shaped partition is circular arc shaped; correspondingly, the side surfaces of two second reagent bottle bodies adjacent to the special-shaped partition plate are respectively in an outward convex arc shape and an inward concave arc shape matched with the arc-shaped special-shaped partition plate.

16. The reagent kit of claim 1, wherein the bottom of the second reagent bottle is provided with a special-shaped groove connected with a reagent bin rotary disc.

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