Reaction cup conveying mechanism, automatic cup adding device and sample analyzer

Abstract

The utility model relates to the technical field of sample analyzers, and provides a reaction cup conveying mechanism, an automatic cup adding device and a sample analyser, the reaction cup conveying mechanism comprises a posture adjusting piece, a horizontal slide way and a vertical slide way are arranged in the posture adjusting piece, and an outlet of the horizontal slide way is communicated with an inlet of the vertical slide way; the reaction cups conveyed from the turntable enter the horizontal slide way in a horizontal posture, and enter the vertical slide way in a vertical posture after being overturned at an outlet of the horizontal slide way; a transverse moving channel used for transversely conveying the reaction cups is arranged on the transverse moving conveying part, an inlet of the transverse moving channel is connected with an outlet of the vertical sliding way, and an outlet of the transverse moving channel serves as a cup falling opening. The reaction cup conveying mechanism is not limited by the angle alpha, so that the horizontal distance between the cup falling opening and the cup outlet is as small as possible and even can be zero, and compact layout is achieved. In addition, the problems possibly caused by any one of handstand, lying and hovering do not exist, and the operation reliability is improved.

Description

Technical Field

[0001] This utility model relates to the field of sample analyzer technology, specifically to a reaction cup conveying mechanism, an automatic cup adding device, and a sample analyzer. Background Technology

[0002] In the field of in vitro diagnostic equipment, such as sample analyzers, the automatic and orderly dispensing of reaction cups according to the testing speed is a crucial aspect due to the requirements of instrument automation and precise testing. Automatic cup-filling devices are designed to free users from the frequent loading of reaction cups, reducing labor costs while ensuring better efficiency and accuracy in cup-filling. Currently, commercially available automatic cup-filling devices feature an inclined slide between the cup outlet and the cup drop-off point, with an angle α between this slide and the horizontal plane. Figure 1 As shown, since the reaction cup needs to be adjusted in position on the slide, the horizontal distance between the cup inlet and the cup outlet cannot be too short, otherwise the reaction cup may lie horizontally. However, if the horizontal distance between the cup inlet and the cup outlet is too long, it is not convenient to use in compact instruments or instruments with limited layout space. Utility Model Content

[0003] Therefore, the technical problem to be solved by this utility model is that if the horizontal distance between the cup inlet and the cup outlet of the existing automatic cup adding device is too short, the reaction cup is prone to lying horizontally; if the horizontal distance between the cup inlet and the cup outlet is too long, it is not convenient to use on compact instruments or instruments with limited layout space. Therefore, this utility model provides a reaction cup conveying mechanism, an automatic cup adding device and a sample analyzer.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0005] This utility model provides a reaction cup conveying mechanism, comprising: an attitude adjustment component, internally provided with a horizontal slide and a vertical slide, the inlet of the horizontal slide being connected to a turntable of an automatic cup-adding device, the outlet of the horizontal slide being connected to the inlet of the vertical slide, the inlet of the vertical slide serving as a cup outlet; a reaction cup conveyed from the turntable enters the horizontal slide in a horizontal posture, and after flipping at the outlet of the horizontal slide, enters the vertical slide in a vertical posture; a transverse conveying component, provided with a transverse channel for transversely conveying the reaction cup, the inlet of the transverse channel being connected to the outlet of the vertical slide, the outlet of the transverse channel serving as a cup drop outlet.

[0006] Furthermore, the section of the horizontal slide near the vertical slide is provided with a tilting groove, the width of which is between the outer diameter of the reaction cup and the outer diameter of the retaining ring on the reaction cup. After the reaction cup moves a preset distance from the horizontal slide to the tilting groove, the cup body below the retaining ring on the reaction cup falls into the tilting groove, and the retaining ring is engaged with the edge of the tilting groove, so that the reaction cup changes from a horizontal posture to a vertical posture.

[0007] Furthermore, the entrance of the horizontal slide is funnel-shaped, and the larger end of the funnel-shaped opening is positioned away from the side of the vertical slide.

[0008] Furthermore, the reaction cup conveying mechanism also includes a transverse cup pusher block, a cup pusher eccentric wheel, and a cup pusher motor; the transverse cup pusher block is movably disposed within the transverse channel for laterally pushing the reaction cup that falls into the transverse channel; the cup pusher motor is disposed on the transverse conveyor, and the output shaft of the cup pusher motor is connected to the transverse cup pusher block through the cup pusher eccentric wheel, and the cup pusher motor is used to drive the cup pusher eccentric wheel to rotate so as to move the transverse cup pusher block within the transverse channel.

[0009] Furthermore, the reaction cup conveying mechanism also includes a reset optocoupler disposed on the transverse conveyor, and the detection part of the reset optocoupler is disposed toward the transverse pusher block for detecting whether the transverse pusher block has retracted to the initial position.

[0010] Furthermore, the reaction cup conveying mechanism also includes a cup-drop position detection optocoupler, which is disposed on the transverse conveyor and the detection part of the cup-drop position detection optocoupler faces the entrance of the transverse channel, for detecting whether a reaction cup has fallen into the entrance of the transverse channel; the cup-drop position detection optocoupler is electrically connected to the cup-pushing motor, and when the cup-drop position detection optocoupler detects that a reaction cup has fallen into the transverse channel, the cup-pushing motor drives the transverse cup-pushing block to push the fallen reaction cup forward.

[0011] Furthermore, the reaction cup conveying mechanism also includes a transverse cup position detection optocoupler, which is disposed on the transverse conveying member, and the detection part of the cup position detection optocoupler is close to the outlet position of the transverse channel, used to detect whether the transverse channel is full; the transverse cup position detection optocoupler is electrically connected to the turntable, and when the transverse cup position detection optocoupler detects that the transverse channel is full, the turntable stops rotating.

[0012] Furthermore, the reaction cup conveying mechanism also includes a cup-stopping spring, which is disposed on the transverse conveyor. The cup-stopping spring extends at least partially into the transverse channel and is located at the outlet of the transverse channel to limit the falling of the reaction cup.

[0013] This utility model also provides an automatic cup-adding device, including the reaction cup conveying mechanism described in any of the above claims.

[0014] This utility model also provides a sample analyzer, including the reaction cup delivery mechanism described in any of the above claims.

[0015] The technical solution of this utility model has the following advantages:

[0016] The reaction cup conveying mechanism of this invention eliminates the inclined slide at an angle α (α less than 90°) to the horizontal plane. The reaction cup is already vertical before falling from the outlet. After the reaction cup enters the transverse channel and moves laterally, its trajectory from the outlet to the landing point is L-shaped. Any point in the transverse channel can serve as the landing position, or one or more points can be used as buffer positions. Therefore, it is not limited by the angle α, allowing the horizontal distance between the landing and outlet to be as small as possible, or even zero, achieving a compact layout. Furthermore, since the reaction cup is vertical at the outlet and also vertical when falling into the transverse channel after passing through the vertical slide, there are no problems caused by inverted, horizontal, or hovering positions, improving operational reliability. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a simplified schematic diagram of a reaction cup conveying mechanism in the prior art;

[0019] Figure 2 This is a schematic diagram of the reaction cup conveying mechanism in an embodiment of the present invention;

[0020] Figure 3 This is a cross-sectional view of the reaction cup conveying mechanism in an embodiment of the present invention;

[0021] Figure 4 This is a schematic diagram of the reaction cup conveying mechanism in an embodiment of the present invention from one perspective;

[0022] Figure 5 This is a schematic diagram of the reaction cup conveying mechanism in another embodiment of the present utility model;

[0023] Figure 6 This is a schematic diagram of the reaction cup conveying mechanism in another embodiment of the present utility model;

[0024] Figure 7 This is a schematic diagram of the reaction cup conveying mechanism in another embodiment of the present utility model;

[0025] Figure 8 This is a schematic diagram of the transverse conveying component in the reaction cup conveying mechanism of this utility model embodiment.

[0026] Explanation of reference numerals in the attached figures:

[0027] 1. Horizontal slide; 2. Vertical slide; 3. Lateral movement channel; 4. Lateral movement conveyor; 5. Turntable; 6. First guide; 7. Second guide; 8. Tilting groove; 9. Reaction cup; 10. Left slide for cup drop; 11. Right slide for cup drop; 12. Pusher motor; 13. Eccentric wheel for cup push; 14. Lateral pusher block; 15. Reset optocoupler; 16. Optical coupler for detecting lateral pusher position; 17. Optical coupler for detecting cup drop position; 18. First support; 19. Second support; 20. Cup retaining spring. Detailed Implementation

[0028] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0029] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0032] like Figures 3 to 7 As shown, this embodiment provides a reaction cup conveying mechanism, including: a posture adjustment component, for example, the posture adjustment component includes a first guide 6 and a second guide 7.

[0033] The first guide member 6 can be a block structure with a groove, giving it a roughly U-shaped shape. It can be mounted on the turntable base plate of the automatic cup-adding device, with the edge of the turntable 5 extending into the groove. The front half of the groove serves as a horizontal slide 1, the inlet of which is adapted to the cup outlet of the turntable. The reaction cup 9, positioned horizontally with its bottom facing forward on the turntable 5, enters the horizontal slide 1 from the outlet. For example, the dimensions of the horizontal slide 1 can be designed based on the dimensions of the reaction cup 9, so that when the turntable 5, carrying the reaction cup 9, rotates to the position of the first guide member 6, the reaction cup 9 can detach from the turntable and enter the horizontal slide 1.

[0034] The second guide 7 can be located to the left of the first guide 6. For example, the second guide 7 includes a left drop cup slide 10 and a right drop cup slide 11. The right drop cup slide 11 can be fixedly connected to the first guide 6, and the left drop cup slide 10 can be detachably connected to the first guide 6. After the left drop cup slide 10 and the right drop cup slide 11 are interlocked, their interiors are hollow to form a vertical slide 2. The entrance of the vertical slide 2 is connected to the exit of the horizontal slide 1. When the reaction cup 9 enters the vertical slide 2 along the horizontal slide 1, the reaction cup 9 changes from a horizontal posture to a vertical posture. Then, the vertically positioned reaction cup 9 continues to descend along the vertical slide 2.

[0035] like Figure 8 As shown, the entire transverse conveyor 4 can be mounted on the automatic cup-adding device via the first bracket 18 and bolts. The inlet of the transverse channel 3 is connected to the outlet of the vertical slide 2, and the outlet of the transverse channel 3 serves as the cup-dropping port to transversely convey the reaction cup 9 to the target position before releasing it. For example, a through hole is provided at the end of the transverse channel 3 to form the cup-dropping port, so that the reaction cup 9 can fall down automatically when it moves to the through hole.

[0036] like Figure 2As shown, the reaction cup conveying mechanism in this embodiment eliminates the inclined slide at an angle α (α less than 90°) to the horizontal plane. The reaction cup 9 is already in a vertical position before falling from the outlet. After the reaction cup 9 falls into the transverse channel 3 and moves laterally, its trajectory from the outlet to the landing point is L-shaped. Any point in the transverse channel 3 can be used as the landing position, or one or more points can be used as buffer positions. Therefore, it is not limited by the angle α, allowing the horizontal distance between the landing point and the outlet to be as small as possible, or even zero, achieving a compact layout. Furthermore, since the reaction cup 9 is in a vertical position at the outlet, its landing position in the transverse channel 3 after passing through the vertical slide 2 is also vertical. There are no problems caused by inverted, horizontal, or hovering positions, improving operational reliability.

[0037] The section of the horizontal slide 1 closest to the vertical slide 2, i.e., the rear half of the groove, is the tilting groove 8. The bottom of the tilting groove 8 is hollowed out. The width of the tilting groove 8 can be slightly larger than the outer diameter of the reaction cup 9 and slightly smaller than the outer diameter of the retaining ring on the surface of the reaction cup 9. The length of the tilting groove 8 can be designed according to the size of the reaction cup 9. When the turntable sends the next reaction cup 9 into the horizontal slide 1, before the reaction cup 9 is removed from the turntable, the turntable can still drive the reaction cup 9 to move towards the exit direction of the horizontal slide 1. At this time, the reaction cup 9 in the front position in the horizontal channel will be pushed forward by the reaction cup 9 in the rear position and enter the area where the tilting groove 8 is located. After the reaction cup 9 in the front has moved a certain distance in the tilting groove 8, once the center of gravity of the reaction cup 9 is no longer located on the horizontal slide 1, the cup body below the retaining ring of the reaction cup 9 will fall into the tilting groove 8. However, since the outer surface of the reaction cup 9 is provided with a retaining ring, the retaining ring can overlap on the two groove edges of the tilting groove 8, ensuring that the reaction cup 9 can be tilted into a vertical position but will not fall completely.

[0038] The tilting groove 8 can be designed to have a certain length. When the reaction cup 9 becomes vertical in the tilting groove 8, it will not immediately fall into the vertical slide 2. The reaction cup 9 in front can continue to move horizontally along the tilting groove 8 for a short distance under the push of the reaction cup 9 behind it. This distance can be designed as needed before the reaction cup 9 falls into the vertical slide 2. Alternatively, the tilting groove 8 can be very short, so that when the reaction cup 9 becomes vertical in the tilting groove 8, it can fall directly into the vertical slide 2.

[0039] The inlet of the horizontal slide 1 can be designed in a funnel shape, with the larger opening of the funnel facing away from the vertical slide 2. This design allows the reaction cup 9 on the turntable to enter the horizontal slide 1 more smoothly.

[0040] The reaction cup conveying mechanism includes a transverse cup pusher block 14, a cup pusher eccentric wheel 13, and a cup pusher motor 12. The transverse cup pusher block 14 is movably disposed within the transverse channel 3. The output shaft of the cup pusher motor 12 is connected to the transverse cup pusher block 14 via the cup pusher eccentric wheel 13. The cup pusher motor 12 drives the cup pusher eccentric wheel 13 to rotate, thereby moving the transverse cup pusher block 14 within the transverse channel 3. For example, when the cup pusher motor 12 rotates forward, it drives the transverse cup pusher block 14 forward to convey the reaction cups 9 within the transverse channel 3. When the cup pusher motor 12 rotates in reverse, it drives the transverse cup pusher block 14 back to its initial position. The entire transverse conveyor component 4 can be a block structure, with a transverse channel 3 formed in the middle of the block structure to accommodate several reaction cups 9. For example, the cup pusher motor 12 can be mounted on the transverse conveyor component 4 via a second bracket 19 and bolts. For example, the transverse pusher block 14 can be located at the end of the transverse channel 3 away from the vertical slide 2, and the portion of the transverse channel 3 downstream of the transverse pusher block 14 is used to temporarily store the reaction cup 9. When the pusher motor 12 rotates, the rotation is converted into transverse motion by the pusher eccentric wheel 13, thereby enabling the transverse pusher block 14 to push the reaction cup 9 transversely. Each time the pusher motor 12 rotates forward, it pushes the reaction cup 9 a certain distance and then reverses to retract and reset the transverse pusher block 14, waiting for the next reaction cup 9 to fall from the vertical slide 2 into the transverse channel 3.

[0041] The reaction cup conveying mechanism also includes a cup-drop position detection optocoupler 17. For example, the cup-drop position detection optocoupler 17 can be bolted to the transverse conveyor 4. The detection part of the cup-drop position detection optocoupler 17 is aligned with the entrance of the transverse channel 3 to detect whether the reaction cup 9 has fallen into the entrance of the transverse channel 3. For example, the cup-drop position detection optocoupler 17 can be a photoelectric sensor or an industrial camera for in-situ detection. The cup-drop position detection optocoupler 17 is electrically connected to the cup-pushing motor 12. When the cup-drop position detection optocoupler 17 detects that a reaction cup 9 has fallen from the vertical slide 2 into the transverse channel 3, the cup-pushing motor 12 drives the transverse cup-pushing block 14 to move the cup from the initial position.

[0042] The reaction cup conveying mechanism also includes a reset optocoupler 15. For example, the reset optocoupler 15 can be bolted to the transverse conveyor 4. The detection part of the reset optocoupler 15 is aligned with the transverse pusher block 14. For example, the reset optocoupler 15 can be a displacement sensor, which can determine whether the transverse pusher block 14 has returned to its initial position by detecting the distance between the reset optocoupler 15 and the transverse pusher block 14. The reset optocoupler 15 can be electrically connected to the pusher motor 12 and also electrically connected to the turntable 5. When the reset optocoupler 15 detects that the transverse pusher block 14 has not returned to its initial position, the turntable stops conveying the reaction cup 9 into the horizontal slide 1. When the reset optocoupler 15 detects that the transverse pusher block 14 has returned to its initial position, and the drop position detection optocoupler 17 detects that a reaction cup 9 has fallen at the entrance of the transverse channel 3, the pusher motor 12 drives the transverse pusher block 14 to move the pusher from its initial position.

[0043] The reaction cup conveying mechanism also includes a transverse cup position detection optocoupler 16. This optocoupler 16 can be bolted onto the transverse conveyor 4. The detection part of the optocoupler 16 can be aligned with the position near the outlet of the transverse channel 3 to detect whether the transverse channel 3 is full. For example, the position of the optocoupler 16 can be aligned with the location of the last unfallen reaction cup 9 in the transverse channel 3. The optocoupler 16 can be electrically connected to the turntable 5. When a reaction cup 9 is detected at the location of the last unfallen reaction cup 9, it indicates that the entire transverse channel 3 is full of reaction cups 9. At this time, the turntable stops conveying reaction cups 9 into the horizontal slide 1.

[0044] The reaction cup conveying mechanism also includes a cup-blocking spring 20. For example, the cup-blocking spring 20 can be bolted onto the transverse conveyor 4. The cup-blocking spring 20 extends at least partially into the transverse channel 3 and is located near the exit of the transverse channel 3 to prevent non-target reaction cups 9 from falling. For example, the position of the cup-blocking spring 20 can be aligned with the location of the last unfallen reaction cup 9 in the transverse channel 3. Initially, the gap between the cup-blocking spring 20 and the inner wall of the transverse channel 3 is smaller than the outer diameter of the reaction cup 9, preventing the reaction cup 9 from moving and falling when the pusher motor 12 is not pushing. When a reaction cup 9 is conveyed forward, it compresses the cup-blocking spring 20, increasing the gap between the cup-blocking spring 20 and the inner wall of the transverse channel 3. After the reaction cup 9 passes, the cup-blocking spring 20 recovers its deformation under elastic action, and the gap between the cup-blocking spring 20 and the inner wall of the transverse channel 3 decreases again.

[0045] In another embodiment, an automatic cup-filling device is also provided, including the reaction cup conveying mechanism of any of the above.

[0046] In another embodiment, a sample analyzer is also provided, including the reaction cup delivery mechanism of any of the above-described embodiments. For example, the sample analyzer includes an immunoassay analyzer, a coagulation analyzer, a biochemical analyzer, a blood cell analyzer, etc., and is not limited thereto.

[0047] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A reaction cup conveying mechanism, characterized in that, include: The attitude adjustment component has a horizontal slide (1) and a vertical slide (2) inside. The inlet of the horizontal slide (1) is connected to the turntable (5) of the automatic cup-filling device, and the outlet of the horizontal slide (1) is connected to the inlet of the vertical slide (2). The inlet of the vertical slide (2) serves as the cup outlet. The reaction cup (9) conveyed from the turntable (5) enters the horizontal slide (1) in a horizontal posture and enters the vertical slide (2) in a vertical posture after flipping at the outlet of the horizontal slide (1). A transverse conveyor (4) is provided with a transverse channel (3) for transversely conveying the reaction cup (9). The inlet of the transverse channel (3) is connected to the outlet of the vertical slide (2), and the outlet of the transverse channel (3) serves as the cup drop outlet.

2. The reaction cup conveying mechanism according to claim 1, characterized in that, The horizontal slide (1) is provided with a tilting groove (8) near the vertical slide (2), and the width of the tilting groove (8) is between the outer diameter of the reaction cup (9) and the outer diameter of the retaining ring on the reaction cup (9). After the reaction cup (9) moves a preset distance from the horizontal slide (1) to the flip groove (8), the cup body below the retaining ring on the reaction cup (9) falls into the flip groove (8), and the retaining ring is engaged with the groove edge of the flip groove (8) so that the reaction cup (9) changes from a horizontal posture to a vertical posture.

3. The reaction cup conveying mechanism according to claim 1, characterized in that, The entrance of the horizontal slide (1) is funnel-shaped, and the larger end of the funnel-shaped entrance is positioned away from the vertical slide (2).

4. The reaction cup conveying mechanism according to claim 1, characterized in that, It also includes a transverse cup pusher block (14), a cup pusher eccentric wheel (13), and a cup pusher motor (12); The transverse pusher block (14) is movably disposed within the transverse channel (3) for laterally pushing the reaction cup (9) that falls into the transverse channel (3); The cup-pushing motor (12) is mounted on the transverse conveyor (4). The output shaft of the cup-pushing motor (12) is connected to the transverse cup-pushing block (14) via the cup-pushing eccentric wheel (13). The cup-pushing motor (12) is used to drive the cup-pushing eccentric wheel (13) to rotate so as to drive the transverse cup-pushing block (14) to move within the transverse channel (3).

5. The reaction cup conveying mechanism according to claim 4, characterized in that, It also includes a reset optocoupler (15), which is disposed on the transverse conveyor (4), and the detection part of the reset optocoupler (15) is disposed toward the transverse pusher block (14) for detecting whether the transverse pusher block (14) has retracted to the initial position.

6. The reaction cup conveying mechanism according to claim 4, characterized in that, It also includes a drop cup position detection optocoupler (17), which is disposed on the transverse conveyor (4), and the detection part of the drop cup position detection optocoupler (17) faces the entrance of the transverse channel (3) to detect whether the entrance of the transverse channel (3) has fallen into the reaction cup (9). The drop cup position detection optocoupler (17) is electrically connected to the push cup motor (12). When the drop cup position detection optocoupler (17) detects that the reaction cup (9) has fallen into the transverse channel (3), the push cup motor (12) drives the transverse push cup block (14) to push the fallen reaction cup (9) forward.

7. The reaction cup conveying mechanism according to claim 4, characterized in that, It also includes a transverse cup-pushing position detection optocoupler (16), which is disposed on the transverse conveyor (4), and the detection part of the cup-pushing position detection optocoupler is close to the outlet position of the transverse channel (3) for detecting whether the transverse channel (3) is full; The transverse cup position detection optocoupler (16) is used to electrically connect with the turntable (5). When the transverse cup position detection optocoupler (16) detects that the cup in the transverse channel is full, the turntable (5) stops rotating.

8. The reaction cup conveying mechanism according to claim 4, characterized in that, It also includes a baffle spring (20) disposed on the transverse conveyor (4), the baffle spring (20) extending at least partially into the transverse channel (3), and the baffle spring (20) being located at the outlet position of the transverse channel (3) to limit the fall of the reaction cup (9).

9. An automatic cup-filling device, characterized in that, The reaction cup (9) conveying mechanism includes any one of claims 1 to 8.

10. A sample analyzer, characterized in that, The reaction cup (9) conveying mechanism includes any one of claims 1 to 8.

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