Reagent bin driving mechanism and analyzer

Abstract

The embodiment of the utility model discloses a reagent storehouse drive mechanism and analyzer, reagent storehouse drive mechanism includes main part, drive subassembly, transmission subassembly and turnover subassembly, main part has front end and rear end, drive subassembly and transmission subassembly both are provided on the main part. The transmission assembly is in transmission connection with the driving assembly and can be driven by the driving assembly to move towards the front end or the rear end. The turnover assembly is connected to the transmission assembly, the turnover assembly can move along with the transmission assembly, a turnover piece used for installing the reagent bin is rotationally arranged on the turnover assembly, and a guide structure is arranged on the turnover piece. The driving assembly is provided with a guiding piece, and in the moving process of the overturning assembly, the guiding piece can be matched with the guiding structure so as to drive the overturning piece to rotate towards the front end to a preset angle or reset from the preset angle. By means of the arrangement, the reagent bin can incline in the moving process only through the guide structure and the guide inclined face, the structure is simple, and the occupied area is small.

Description

Technical Field

[0001] The utility model relates to the technical field of analyzers, in particular to a reagent bin driving mechanism and an analyzer. Background Art

[0002] Reagent kit replacement is widely used in medical laboratory testing instruments. For example, reagent replacement is often required during the use of analyzers. In analyzers and other testing instruments, reagent replacement requires a reagent chamber drive mechanism. When the reagent is exhausted, the reagent chamber must be manually replaced. The push-pull reagent chamber drive mechanism can pull the reagent chamber out of or push it into the analyzer.

[0003] To facilitate reagent placement and removal, reagent chamber drive mechanisms in related art are designed to automatically rotate the chamber to a certain angle when the chamber is pulled out. However, these mechanisms, which ensure rotation of the chamber during push and pull, often utilize a complex structure involving a gear and rack. This not only takes up a lot of space but is also inconvenient to assemble. Utility Model Content

[0004] Based on this, it is necessary to address the above problems and propose a reagent chamber drive mechanism and analyzer with a simple structure and small space occupation.

[0005] The present invention provides a reagent chamber drive mechanism, comprising:

[0006] a main body having a front end and a rear end;

[0007] A driving assembly is provided on the main body;

[0008] a transmission assembly, disposed on the main body and transmission-connected to the drive assembly, wherein the transmission assembly can be driven by the drive assembly to move toward the front end or the rear end;

[0009] A flip assembly is connected to the transmission assembly, the flip assembly can move with the transmission assembly, a flip member for mounting a reagent compartment is rotatably provided on the flip assembly, and a guide structure is provided on the flip member;

[0010] The driving assembly is provided with a guide member. During the movement of the flip assembly, the guide member can cooperate with the guide structure to drive the flip member to rotate toward the front end to a preset angle or reset from the preset angle.

[0011] In some embodiments, the transmission assembly includes a first transmission portion and a movably disposed second transmission portion, one end of the drive assembly is connected between the first transmission portion and the second transmission portion, and the drive assembly is capable of driving the second transmission portion to move toward the front end or toward the rear end;

[0012] The flipping assembly is connected to the second transmission part, and the guide member has a guide slope. During the movement of the second transmission part, it can drive one end of the guide structure to move to abut the guide slope and move along the guide slope. When one end of the guide structure moves along the guide slope, the guide slope can force the flipping member to rotate toward the front end to a predetermined angle.

[0013] In some embodiments, the guide structure includes a mounting plate mounted on the flip member by a first fixing pin and a guide wheel arranged at the end of the mounting plate, the guide member is located on the running path of the guide wheel, and the guide slope is arranged toward the main body. In the direction from the rear end to the front end, the distance between the surface of the guide slope close to the rear end and the main body is greater than the distance between the surface of the guide slope close to the front end and the main body.

[0014] In some embodiments, the guide member further has a limiting groove near the front end, the guide slope extends to the limiting groove, the limiting groove is opened along the moving path of the guide wheel, and the groove width of the limiting groove is adapted to the radial dimension of the guide wheel.

[0015] In some embodiments, the flip assembly further includes a support member connected to the second transmission portion, a tray connected to the flip member, and a reagent chamber connected to the tray, and the flip member is rotatably connected to the support member via a mounting structure.

[0016] In some embodiments, the support member includes a fixing portion and a transition portion, the fixing portion is connected to the second transmission portion, transition edges are arranged at intervals on the transition portion, and bumps are provided on the flip member at intervals corresponding to the transition edges, and the bumps are penetrated by through holes along the rotating shaft of the flip member, and the mounting structure includes a flip shaft and retaining springs spaced at both ends of the flip shaft, the flip shaft is penetrated in the through hole through a linear bearing, and the flip shaft is also penetrated by the transition edge, and the transition edge is clamped between the two retaining springs;

[0017] A torsion spring is also sleeved on the flip shaft, one end of the torsion spring is connected to the flip member, and the other end is connected to the support member.

[0018] In some embodiments, the flip member is further provided with an adjusting member, the adjusting member having an abutting portion. When the flip member is not rotated, a distance is maintained between the abutting portion and the support member. When the flip member is rotated to a predetermined angle, an end of the abutting portion abuts against the support member to prevent the flip member from continuing to rotate.

[0019] An adjustment slot is also provided on the adjustment member, and a second fixing nail is connected to the flip member. The second fixing nail can be passed through the adjustment slot, and the adjustment member can be tightened to the flip member through the second fixing nail. The adjustment member can be moved by loosening the second fixing nail to adjust the distance between the abutting portion and the support member.

[0020] In some embodiments, a support block is protruding from the main body, and a limiting member is provided on the flip member. In the initial state, the end of the limiting member abuts against the support block. When one end of the guide structure abuts against the guide slope, the limiting member just detaches from the support block.

[0021] In some embodiments, the main body includes a fixed plate, the second transmission part is movably connected to the fixed plate, the first transmission part is provided with a first guide rack, the second transmission part is provided with a second guide rack, the driving assembly includes a pull plate and an active member connected to the pull plate, the active member is movably provided on the fixed plate, the active member is rotatably connected to a gear, and the gear is simultaneously engaged with the first guide rack and the second guide rack.

[0022] An embodiment of the present invention also provides an analyzer, including a main frame, a detection mechanism and the above-mentioned reagent compartment drive mechanism, wherein the reagent compartment drive mechanism is installed in the main frame, the flip assembly can store reagents to be tested, and the driving assembly can drive the flip assembly in and out of the main frame to replace the detection reagents, and the detection mechanism can detect the reagents stored in the flip assembly.

[0023] The embodiment of the present utility model has the following beneficial effects:

[0024] According to the reagent bin drive mechanism and analyzer in the above-mentioned embodiment, by setting a drive assembly and a transmission assembly, under the action of an external force, the drive assembly can drive the second transmission part toward the front end of the main body, that is, the bin door of the analyzer, and then drive the flip assembly to move toward the front end. The flip assembly is rotatably connected to the second transmission part. During its movement, one end of the guide structure can abut against the guide slope. As the flip assembly continues to move toward the front end, the guide slope can force the flip assembly to rotate, so as to drive the reagent bin to tilt to a certain angle. Compared with the related art, the solution of the present application can make the reagent bin tilt during movement only by using the guide structure and the guide slope. It has a simple structure and requires fewer parts to achieve the tilting of the reagent bin. Therefore, the occupied area of the entire reagent bin drive mechanism is small, and it can also make assembly more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] in:

[0027] Figure 1 Shows an axial view of the reagent compartment drive mechanism provided by the present utility model;

[0028] Figure 2 A side view of the reagent compartment drive mechanism provided by the present invention is shown;

[0029] Figure 3 An exploded view of a flip assembly provided according to the present invention is shown;

[0030] Figure 4 shows a cross-sectional view of a flip assembly provided according to the present utility model;

[0031] Figure 5 A schematic structural diagram showing a partial structure of a reagent compartment drive mechanism provided by the present invention is shown;

[0032] Figure 6 A structural schematic diagram showing a partial structure of another reagent chamber drive mechanism provided according to the present invention.

[0033] Description of main component symbols:

[0034] 1. Main body; 11. Door panel; 12. Fixed plate; 121. First slide rail; 122. Second slide rail; 123. Support block; 13. Front end; 14. Rear end; 15. Accommodating member; 151. Sealing ring; 2. Driving assembly; 21. Pull plate; 22. Active member; 221. Gear; 222. Idle pulley; 223. Damper; 23. Guide member; 231. Limiting groove; 232. Guide slope; 3. Transmission assembly; 31. First transmission unit; 311. First guide rack; 32. Second transmission unit; 321. Second guide rack; 4. Flip assembly ; 41. Flipping member; 411. Bump; 4111. Perforation; 412. Tray; 413. First fixing pin; 414. Second fixing pin; 42. Reagent chamber; 43. Support member; 431. Fixing portion; 432. Transfer portion; 4321. Transfer edge; 44. Mounting structure; 441. Flipping shaft; 442. Retaining spring; 443. Linear bearing; 444. Torsion spring; 45. Guide structure; 451. Mounting plate; 452. Guide wheel; 453. Guide groove; 46. Adjusting member; 461. Adjusting groove; 462. Abutting portion; 47. Limiting member. DETAILED DESCRIPTION

[0035] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The drawings illustrate preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the disclosure of the present invention.

[0036] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly attached to the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only.

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended only to describe specific embodiments and are not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0038] On the one hand, the present invention discloses a reagent chamber 42 push-pull mechanism, which can be applied to timing detection and analysis devices such as analyzers. The reagent chamber 42 push-pull mechanism can pull the structure for containing reagents out of or into the analyzer.

[0039] In one embodiment, see Figure 1 and Figure 2 The reagent chamber 42 push-pull mechanism includes a main body 1, a drive assembly 2, a transmission assembly 3, and a flip assembly 4. The main body 1 serves as the entire reagent chamber 42 push-pull mechanism, providing a mounting support environment for the remaining structures. The main body 1 has a front end 13 and a rear end 14. The front end 13 and rear end 14 of the main body 1 are relative to the analyzer. For example, the position of the main body 1 closest to the analyzer where the reagent chamber 42 exits is the front end 13, and the other end is the rear end 14.

[0040] The driving assembly 2 is provided on the main body 1, and the transmission assembly 3 is provided on the main body 1, and the transmission assembly 3 is transmission-connected to the driving assembly 2. The driving assembly 2 can drive the transmission assembly 3 to move toward the front end 13 or the rear end 14.

[0041] The flip assembly 4 is connected to the transmission assembly 3 and can move with the transmission assembly 3 toward the front end 13 or the rear end 14. A flip member 41 is rotatably mounted on the flip assembly 4, which is used to mount a reagent compartment 42. A guide structure 45 is provided on the flip member 41. It should be noted that the reagent compartment 42 is used to hold reagents, and as the flip assembly 4 moves with the transmission assembly 3, both the flip assembly 4 and the reagent compartment 42 can be pulled out of the analyzer, making it easier to replace the reagents in the reagent compartment 42.

[0042] The drive assembly 2 is provided with a guide member 23, which is located in the movement path of the guide structure 45. During the movement of the flip assembly 4, the guide member 23 and the guide structure 45 can cooperate to drive the flip member 45 to rotate toward the front end 13 to a predetermined angle or to return to the predetermined angle. The predetermined angle needs to be determined according to actual conditions and is not limited here. The preferred predetermined angle is 20°.

[0043] The reagent tubes contained in the reagent compartment 42 are generally in a vertical position in the analyzer. In order to facilitate the replacement of reagents, the reagent compartment 42 is generally tilted at a certain angle when being pulled out of the analyzer.

[0044] By setting up the drive assembly 2 and the transmission assembly 3, the drive assembly 2 can drive the second transmission part 32 to move toward the front end 13 of the main body 1, that is, the door of the analyzer, and then drive the flip assembly 4 to move toward the front end 13. During the movement of the flip assembly 4, the guide structure 45 and the guide member 23 can be matched. As the flip assembly 4 continues to move toward the front end 13, the cooperation between the guide structure 45 and the guide member 23 can drive the flip member 41 to rotate toward the front end 13, so as to drive the reagent chamber 42 to tilt to a certain angle. Compared with the related art, the solution of the present application can tilt the reagent chamber 42 during the movement only by the guide structure 45 and the guide member 23. The structure is simple, and fewer parts are required to achieve the tilting of the reagent chamber 42. Therefore, the area occupied by the push-pull mechanism of the entire reagent chamber 42 is small, and the assembly can be more convenient.

[0045] In one embodiment, the transmission assembly 3 includes a first transmission portion 31 and a movable second transmission portion 32. One end of the drive assembly 2 is connected between the first transmission portion 31 and the second transmission portion 32, and the drive assembly 2 is capable of driving the second transmission portion 32 toward the front end 13 or toward the rear end 14. The transmission assembly 3 serves to transmit the external force applied by the drive assembly 2 to drive the reagent chamber 42 to move.

[0046] The flipping assembly 4 is connected to the second transmission part 32, and the guide member 23 has a guide slope 232. During the movement of the second transmission part 32, it can drive one end of the guide structure 45 to move to abut the guide slope 232 and move along the guide slope 232. When one end of the guide structure 45 moves along the guide slope 232, the guide slope 232 can force the flipping member 41 to rotate toward the front end 13 to a predetermined angle.

[0047] It should be noted that the reagent compartment drive mechanism may also be provided with a door panel 11, and the opening of the reagent compartment 42 may be provided on the door panel 11. Under the action of the drive assembly 2, the reagent compartment 42 can be pulled out of the analyzer through the door panel 11. In addition to providing a guide member 23 on the drive assembly 2 to drive the flip member 41 to rotate, an inwardly recessed abutting surface may also be provided on the door panel 11. The abutting surface and the guide inclined surface 232 are provided in the same manner. In this case, the end of the guide structure 45 can abut against the abutting surface, and the rotation of the flip member 41 can also be achieved through the cooperation of the abutting surface and the guide structure 45.

[0048] In one embodiment, see Figures 1 to 4 The guide structure 45 includes a mounting plate 451 mounted on the flip member 41 via a first fixing pin 413, and a guide wheel 452 provided at the end of the mounting plate 451. One end of the mounting plate 451 is connected to the side wall of the flip member 41 via the first fixing pin 413, and the guide wheel 452 is rotatably connected to the other end of the mounting plate 451.

[0049] The guide member 23 is located on the running path of the guide wheel 452, and the guide slope 232 is arranged toward the main body 1. In the direction from the rear end 14 to the front end 13, the distance between the surface of the guide slope 232 closest to the rear end 14 and the main body 1 is greater than the distance between the surface of the guide slope 232 closest to the front end 13 and the main body 1. In other words, the guide slope 232 gradually tilts toward the main body 1 in the direction from the rear end 14 to the front end 13. When the guide wheel 452 moves toward the guide member 23 and abuts against the guide slope 232, the guide wheel 452 can roll along the guide slope 232. Because the guide slope 232 is arranged at an angle, the guide wheel 452 is subjected to pressure from the guide slope 232 toward the main body 1 during rolling, driving the guide wheel 452 toward the main body 1, thereby driving the entire flip assembly 4 to rotate toward the main body 1.

[0050] It should be noted that, when operating, the staff faces the front end 13 of the main body 1, that is, faces the door of the reagent compartment 42 on the analyzer, and the flip assembly 4 is flipped toward the staff when the analyzer is pulled out.

[0051] It should also be noted that a guide groove 453 is provided at the connection position between the guide structure 45 and the mounting plate 451. The guide groove 453 is opened in the direction approaching or away from the main body 1. The first fixing nail 413 can be inserted into the guide groove 453, and the end of the guide structure 45 can be fixed to the mounting plate 451 by tightening the first fixing nail 413. By loosening the first fixing nail 413, the guide structure 45 can be loosened. At this time, the guide structure 45 can be moved along the guide groove 453 to change the height of the guide wheel 452. After the height of the guide wheel 452 is changed, the position where it abuts against the guide slope 232 changes, and then its movement distance can be changed, which means that the rotation angle of the flip assembly 4 can be changed.

[0052] In a specific embodiment, in addition to changing the tilt angle by changing the position of the guide structure 45, an adjustment member 46 may be provided on the flip member 41 to change the rotation angle of the flip member 41. Specifically, the adjustment member 46 has an abutment portion 462. When the flip member 41 is not rotating, the abutment portion 462 is spaced apart from the support member 43. When the flip member 41 rotates to a predetermined angle, the end of the abutment portion 462 abuts against the support member 43 to prevent the flip member 41 from further rotating.

[0053] The adjusting member 46 also has an adjustment slot 461. A second fixing pin 414 is connected to the flip member 41. The second fixing pin 414 can be inserted into the adjustment slot 461, which extends in a direction toward or away from the main body 1. The second fixing pin 414 tightens the adjusting member 46 to the flip member 41. Loosening the second fixing pin 414 allows the adjusting member 46 to be moved to adjust the distance between the abutment portion 462 and the support member 43. This method utilizes a separate adjusting member 46. By adjusting the distance between the adjusting member 46 and the support member 43, the angle at which the flip member 41 must rotate when the abutment portion 462 of the adjusting member 46 abuts the support member 43 is modified.

[0054] In a specific embodiment, the guide member 23 is further provided with a limiting groove 231 near the front end 13, and the guide slope 232 extends to the limiting groove 231. The limiting groove 231 is provided along the moving path of the guide wheel 452, and the groove width of the limiting groove 231 is adapted to the radial dimension of the guide wheel 452. When the guide wheel 452 moves along the guide slope 232 to its position near the front end 13, continuing to move the guide wheel 452 can roll the guide wheel 452 into the limiting groove 231. The guide wheel 452 is adapted to the limiting groove 231. At this time, the reagent chamber 42 has been pulled out of the analyzer, and the limiting groove 231 can limit the position of the guide wheel 452, so that the guide wheel 452 cannot move up and down, that is, the flip member 41 or the reagent chamber 42 is restricted from further rotation, so as to stabilize the position of the reagent chamber 42.

[0055] In a specific embodiment, the flip assembly 4 further includes a support member 43 connected to the second transmission portion 32, a tray 412 connected to the flip member 41, and a reagent chamber 42 connected to the tray 412. The tray 412 can be fixedly connected to the flip member 41 by screws, and the reagent chamber 42 can be snapped or buckled into the tray 412. The flip member 41 is rotatably connected to the support member 43 via a mounting structure 44 to achieve rotation relative to the second transmission portion 32.

[0056] Specifically, the support member 43 includes a fixing portion 431 and a transition portion 432. The fixing portion 431 can be fixedly connected to the second transmission portion 32 by screws. The transition edge 4321 is arranged at intervals on the transition portion 432. The intervals corresponding to the transition edges 4321 on the flip member 41 are protruded with a protrusion 411. The protrusion 411 can be placed in the interval between the two transition edges 4321. The protrusion 411 is provided with a through hole 4111 along the rotating axis of the flip member 41.

[0057] The mounting structure 44 includes a flip shaft 441 and retaining springs 442 spaced apart at both ends of the flip shaft 441. The flip shaft 441 is passed through the through hole 4111 via a linear bearing 443, and the flip shaft 441 is also passed through the transition edge 4321, that is, the transition edge 4321 is connected to the protrusion 411 through the rotation of the flip shaft 441, and the transition edge 4321 is clamped between the two retaining springs 442. By setting the retaining spring 442, the flip shaft 441 can be prevented from separating from the transition edge 4321 and the protrusion 411 along the axis.

[0058] It should be noted that the rotating axis of the flip member 41 is set according to the moving direction of the flip member 41. In this application, the flip member 41 moves following the first transmission part 31, and the second transmission part 32 can move linearly between the front end 13 and the rear end 14 of the main body 1. Then the rotating axis of the flip member 41 is preferably perpendicular to the direction of linear movement of the second transmission part 32.

[0059] It should be noted that to ensure that the flip member 41 is not easily rotated under normal conditions, a torsion spring 444 is also sleeved on the flip shaft 441. One end of the torsion spring 444 is connected to the flip member 41, and the other end is connected to the support member 43. By providing the torsion spring 444, when the flip member 41 and the support member 43 rotate relative to each other, they are subjected to the torsion force of the torsion spring 444. This torsion force must be overcome in order to drive the flip member 41 to rotate relative to the support member 43. The provision of the torsion spring 444 not only ensures the stability of the flip member 41 under normal conditions, but also provides a spring force to rotate the reagent compartment 42 to its original position when the reagent compartment 42 is re-entered into the analyzer after reagent replacement. Of course, a tension spring can also be connected between the flip member 41 and the second transmission portion 32 in place of the torsion spring 444, or a weight member can be provided on the flip member 41. The weight member can prevent the flip member 41 from rotating while using the gravity of the weight member to rotate the reagent compartment 42 to its original position when the reagent compartment 42 is pushed back into the analyzer.

[0060] In one embodiment, see Figures 1 to 5 The main body 1 is provided with a container 15 at the initial position of the flip assembly 4. A container cavity (not shown) is defined at one end of the container 15 facing the flip assembly 41. When the flip assembly 4 is in the initial position, the reagent chamber 42 can be accommodated within the cavity to facilitate refrigeration of the reagents. It should be noted that a sealing ring 151 is provided around the opening of the cavity of the container 15. When the reagent chamber 42 is accommodated in the cavity, the end face of the flip assembly 41 facing the container 15 can abut against the sealing ring 151, thereby sealing the cavity and ensuring refrigeration.

[0061] It should also be noted that a support block 123 is protruding from the main body 1, and a limit member 47 is provided on the flip member 41. One end of the limit member 47 is arranged near the support block 123 and is rotatably connected to a rotating wheel. When the flip assembly 4 moves with the second transmission part 32, the rotating wheel can move accordingly. The support block 123 is arranged along the moving path of the rotating wheel. In the initial state, the rotating wheel at the end of the limit member 47 abuts against the support block 123. By abutting the rotating wheel against the support block 123, the flip assembly 4 can be prevented from flipping, and the formation of a gap between the flip member 41 and the sealing ring 151 due to flipping can be prevented, thereby ensuring sealing. In addition, the cooperation between the support block 123 and the limit member 47 can also ensure that the flip assembly 4 will not rotate before reaching the rotation position. When one end of the guide structure 45 abuts the guide slope 232, the limit member 47 just disengages from the support block 123, allowing the flip member 41 to rotate.

[0062] In one embodiment, please refer to Figure 6The main body 1 includes a fixed plate 12, a support block 123, a first transmission portion 31, and a second transmission portion 32, all of which are connected to the fixed plate 12. The difference is that the support block 123 and the first transmission portion 31 are fixedly connected to the fixed plate 12, while the second transmission portion 32 is movably connected to the fixed plate 12. The first transmission portion 31 is provided with a first guide rack 311, and the second transmission portion 32 is provided with a second guide rack 321.

[0063] The drive assembly 2 includes a pull plate 21 and an active member 22 connected to the pull plate 21. The active member 22 is movably mounted on the fixed plate 12. The end of the active member 22 away from the pull plate 21 is rotatably connected to a gear 221. The gear 221 is engaged with both a first guide rack 311 and a second guide rack 321. It is worth noting that in the initial position, the first guide rack 311 is engaged with the gear 221 near the rear end 14, while the second guide rack 321 is engaged with the gear 221 away from the rear end 14.

[0064] It should be noted that a first slide rail 121 and a second slide rail 122 are spaced apart on the fixed plate 12 along the moving direction of the second transmission part 32, the active member 22 is slidably connected to the first slide rail 121, and the second transmission part 32 is slidably connected to the second slide rail 122, and the active member 22 is located between the first transmission part 31 and the second transmission part 32.

[0065] As can be seen from the above, the first transmission part 31 is fixed, the second transmission part 32 and the active member 22 are both movably arranged, and the end of the active member 22 is provided with a gear 221 that is simultaneously engaged with the first guide rack 311 and the second guide rack 321. This structure allows the active member 22 to follow the movement when the pull plate 21 is driven to move, thereby driving the second transmission part 32 to move. However, the moving speed of the active member 22 is half of the moving speed of the second transmission part 32, that is, the moving distance of the active member 22 is half of the moving distance of the second transmission part 32. Because the flip assembly 4 is arranged on the second transmission part 32, it is possible to achieve that when an external force pulls the pull plate 21, the reagent chamber 42 can be pulled out of the analyzer even if it is pulled a small distance, thereby shortening the distance required to be driven.

[0066] In a specific embodiment, an idler wheel 222 is rotatably connected to the active member 22, a gear 221 is connected to the idler wheel 222, and the gear 221 is rotatably connected to the active member 22 via the idler wheel 222. A damper 223 is also provided on the active member 22, and the output end of the damper 223 is engaged with the gear 221. By providing the damper 223, the rotation of the gear 221 is restricted and the rotation of the gear 221 is hindered. In the process of pulling the pull plate 21 to pull the reagent chamber 42 out of the analyzer, it is necessary to overcome the obstruction of the damper 223, so that the pulling action is relatively smooth, and there will be no situation where the reagent chamber 42 is pulled out suddenly. This can prevent the reagent in the reagent chamber 42 from spilling when the reagent chamber 42 is suddenly pulled out, and can also ensure a good hand feel when pulling out.

[0067] On the other hand, the utility model also provides an analyzer, including a main frame, a detection mechanism and the above-mentioned reagent compartment drive mechanism. The reagent compartment drive mechanism is installed in the main frame. The flip component 4 can store reagents to be tested. The driving component 2 can drive the flip component 4 in and out of the main frame to replace the detection reagents. The detection mechanism can detect the reagents stored in the flip component 4.

[0068] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0069] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A reagent chamber drive mechanism, characterized in that: include: a main body having a front end and a rear end; A driving assembly is provided on the main body; a transmission assembly, disposed on the main body and transmission-connected to the drive assembly, wherein the transmission assembly can be driven by the drive assembly to move toward the front end or the rear end; A flip assembly is connected to the transmission assembly, the flip assembly can move with the transmission assembly, a flip member for mounting a reagent compartment is rotatably provided on the flip assembly, and a guide structure is provided on the flip member; The driving assembly is provided with a guide member. During the movement of the flip assembly, the guide member can cooperate with the guide structure to drive the flip member to rotate toward the front end to a preset angle or reset from the preset angle.

2. The reagent chamber drive mechanism according to claim 1, characterized in that: The transmission assembly comprises a first transmission part and a movable second transmission part, one end of the drive assembly is connected between the first transmission part and the second transmission part, and the drive assembly is capable of driving the second transmission part to move toward the front end or toward the rear end; The flipping assembly is connected to the second transmission part, and the guide member has a guide slope. During the movement of the second transmission part, it can drive one end of the guide structure to move to abut the guide slope and move along the guide slope. When one end of the guide structure moves along the guide slope, the guide slope can force the flipping member to rotate toward the front end to a predetermined angle.

3. The reagent chamber drive mechanism according to claim 2, characterized in that: The guide structure includes a mounting plate mounted on the flip member by a first fixing nail and a guide wheel arranged at the end of the mounting plate. The guide member is located on the running path of the guide wheel. The guide slope is arranged toward the main body. In the direction from the rear end to the front end, the distance between the surface of the guide slope close to the rear end and the main body is greater than the distance between the surface of the guide slope close to the front end and the main body.

4. The reagent chamber drive mechanism according to claim 3, characterized in that: The guide member is further provided with a limiting groove near the front end, the guide slope extends to the limiting groove, the limiting groove is provided along the moving path of the guide wheel, and the groove width of the limiting groove is adapted to the radial dimension of the guide wheel.

5. The reagent chamber driving mechanism according to claim 3, characterized in that: The flip assembly further includes a support member connected to the second transmission part, a tray connected to the flip member, and a reagent compartment connected to the tray. The flip member is rotatably connected to the support member via a mounting structure.

6. The reagent chamber driving mechanism according to claim 5, characterized in that: The support member includes a fixing portion and a transition portion, the fixing portion is connected to the second transmission portion, transition edges are arranged at intervals on the transition portion, and bumps are provided on the flip member at intervals corresponding to the transition edges, and the bumps are penetrated by a through-hole along the rotating shaft of the flip member, and the mounting structure includes a flip shaft and retaining springs spaced apart at both ends of the flip shaft, the flip shaft is penetrated in the through-hole by a linear bearing, and the flip shaft is also penetrated by the transition edge, and the transition edge is clamped between the two retaining springs; A torsion spring is also sleeved on the flip shaft, one end of the torsion spring is connected to the flip member, and the other end is connected to the support member.

7. The reagent chamber driving mechanism according to claim 5, characterized in that: The flip member is further provided with an adjusting member, the adjusting member having an abutting portion. When the flip member is not rotating, a distance is maintained between the abutting portion and the supporting member. When the flip member is rotated to a predetermined angle, an end of the abutting portion abuts against the supporting member to prevent the flip member from continuing to rotate. An adjustment slot is also provided on the adjustment member, and a second fixing nail is connected to the flip member. The second fixing nail can be passed through the adjustment slot, and the adjustment member can be tightened to the flip member through the second fixing nail. The adjustment member can be moved by loosening the second fixing nail to adjust the distance between the abutting portion and the support member.

8. The reagent chamber drive mechanism according to any one of claims 1 to 7, characterized in that: A support block is protruded from the main body, and a limiting member is provided on the flip member. In an initial state, an end of the limiting member abuts against the support block. When one end of the guide structure abuts against the guide slope, the limiting member just detaches from the support block.

9. The reagent chamber driving mechanism according to claim 2, characterized in that: The main body includes a fixed plate, the second transmission part is movably connected to the fixed plate, the first transmission part is provided with a first guide rack, the second transmission part is provided with a second guide rack, the driving assembly includes a pull plate and an active member connected to the pull plate, the active member is movably provided on the fixed plate, the active member is rotatably connected to a gear, and the gear is simultaneously engaged with the first guide rack and the second guide rack.

10. An analyzer, characterized in that: It includes a main frame, a detection mechanism and a reagent compartment drive mechanism as described in any one of claims 1 to 9, wherein the reagent compartment drive mechanism is installed in the main frame, the flip assembly can store reagents to be tested, and the driving assembly can drive the flip assembly in and out of the main frame to replace the detection reagents, and the detection mechanism can detect the reagents stored in the flip assembly.

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