Sample rack deploying device and analyzer

Abstract

The utility model provides a sample rack deploying device and analyser, the sample rack deploying device includes tray, base plate and deploying subassembly, on the tray is provided with a plurality of placing groove, one end of placing groove is provided with opening, the bottom of tray is provided with locking subassembly, locking subassembly includes the blocking part that can stretch into placing groove, and the blocking part is provided with the opening. The tray is detachably arranged on the bottom plate to force the blocking part to retreat from the placement grooves, the allocation assembly comprises a driving device and a plurality of blocking pieces, the blocking pieces are arranged at the corresponding openings in a blocking mode, and the driving device can drive the blocking pieces to linearly move so as to open the opening of any placement groove; the analyzer comprises the sample rack allocation device. According to the tray disclosed by the utility model, the sample frame can be prevented from accidentally sliding off due to accidental touch when the locking component is in the unlocking state.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to a sample rack preparation device and an analyzer. Background Technology

[0002] Currently, in automated testing processes, to improve testing efficiency, sample rack trays need to meet the requirements of batch sample loading and individual sample rack placement and removal. In existing technology, the tray has multiple independent placement slots, each closed at one end and open at the other. Sample racks are placed within these slots and secured to the bottom of the slots by locking components. When the tray is transferred to the sample stage, the locking components are unlocked, allowing individual sample racks to be freely pulled out or pushed into the placement slots. However, this release poses a risk of the sample racks slipping due to accidental contact. Utility Model Content

[0003] The primary objective of this invention is to provide a sample rack dispensing device that effectively prevents the sample rack from slipping due to accidental contact when the locking component is in the unlocked state.

[0004] The second objective of this invention is to provide an analyzer that includes the above-mentioned sample rack preparation device.

[0005] To achieve the aforementioned first objective, this utility model provides a sample rack dispensing device, comprising a tray, a base plate, and a dispensing component. The tray has a plurality of placement slots arranged on it, with an opening at one end of each slot. A locking component is provided at the bottom of the tray, including a blocking part that can extend into the placement slot. The tray is detachably mounted on the base plate to force the blocking part out of the placement slot. The dispensing component includes a driving device and a plurality of baffles, which are positioned to block the corresponding openings. The driving device can drive the baffles to move linearly to open the opening of any one of the placement slots.

[0006] As can be seen from the above scheme, the base plate can be set on the sample table or it can be the top plate of the sample table. When the tray is placed on the base plate, the blocking part retracts from the placement slot, so that the locking component is in the unlocked state. At this time, the baffle first closes the openings of all placement slots. When needed, the baffle is driven to move linearly by the driving device to open any one of the placement slots according to actual needs. This facilitates the subsequent process such as the gripping module to take out the sample rack in the placement slot along the arrangement direction of the placement slots, or to put the sample rack into the placement slot. During this process, the openings of the other placement slots are in the closed state to prevent other sample racks from accidentally falling off due to accidental contact. This utility model has the advantages of safety and reliability by setting multiple placement slots on the tray to meet the needs of batch sample loading, and by setting a linearly movable baffle to open the opening of any one of the placement slots to meet the needs of individual picking and placing of sample racks on the sample table.

[0007] A further embodiment is that the dispensing component includes a movable part, the extension direction of which is at least partially parallel to the arrangement direction of the placement slots, the minimum number of baffles is equal to twice the number of placement slots minus one, all baffles are arranged on the movable part in a preset row along the extension direction of the movable part, a vacancy is provided in the middle of the preset row, the first side of the vacancy has a number of baffles equal to the number of placement slots, and the remaining baffles are all arranged on the second side of the vacancy.

[0008] As can be seen from the above scheme, by setting up vacant positions, when needed, the vacant positions can be connected to the opening of any placement slot, which facilitates the subsequent grasping module to take out or push the sample rack. At this time, the openings of the other placement slots are blocked by baffles and are in a closed state, ensuring the safety of the sample rack.

[0009] A further proposed solution is to use a ring-shaped synchronous belt as the moving part, and the driving device includes a driving wheel, a driven wheel, and a power source. The power source is connected to the driving wheel, and the ring-shaped synchronous belt is wrapped around the outside of the driving wheel and the driven wheel. The power source can drive the ring-shaped synchronous belt to rotate, thereby driving the baffle to move.

[0010] As can be seen from the above scheme, by setting a power source to drive the annular synchronous belt to rotate, all the baffles can move simultaneously, which has the advantages of simple structure and convenient operation.

[0011] A further proposed solution is to use a rack as the moving component, and the driving device includes a drive wheel and a power source. The power source is connected to the drive wheel, and the drive wheel meshes with the rack. The power source can drive the rack to move, thereby driving the baffle to move.

[0012] As can be seen from the above scheme, by setting a power source to drive the rack to translate, all the baffles can move simultaneously, which has the advantages of simple structure and convenient operation.

[0013] A further approach is to move the baffles in a direction perpendicular to the arrangement of the placement slots, allowing all baffles to move independently.

[0014] A further option is to include a detection device in the distribution assembly, with the detection end of the detection device positioned on the moving path of the baffle.

[0015] A further option is to have a protrusion on the base plate; the locking assembly is correspondingly set with the protrusion, and the protrusion can force the blocking part to exit the placement slot.

[0016] As can be seen from the above scheme, before the tray contacts the protrusion, the blocking part of the locking component extends into the placement slot to fix the sample rack in the placement slot, making it convenient for the tray to be moved and preventing the sample rack from falling off; when the tray is placed on the base plate, the protrusion forces the blocking part to exit the placement slot, at which time all the sample racks in the placement slots on the tray can be freely pulled out or pushed in.

[0017] A further solution involves having several perforations on the bottom wall of the tray, with each perforation corresponding to and connected to a placement slot. The locking assembly includes a rotating shaft, several elastic elements, and several rocker arms. The rotating shaft extends along the arrangement direction of the placement slots, and the rocker arms are arranged on the rotating shaft, each corresponding to a placement slot. The middle of each rocker arm is rotatably connected to the rotating shaft. A blocking part is located at the first end of the rocker arm, and an abutment part is located at the second end of the rocker arm. The elastic elements elastically abut against the rocker arm and the bottom wall of the tray, allowing the blocking part to pass through the perforations and extend into the placement slot. The abutment part is located below the rotating shaft.

[0018] As can be seen from the above scheme, with the above settings, before the second end of the rocker plate abuts against the protrusion of the base plate, the blocking end of the rocker plate extends into the placement groove to fix the sample rack. At this time, the locking assembly is in a locked state, which facilitates the movement of the tray and the sample rack on it.

[0019] A further improvement is that the base plate is provided with two limiting parts, which are arranged opposite each other to form a mounting groove, and the protrusion is set in the mounting groove; the tray is detachably set in the mounting groove, and the protrusion can abut against the abutment to force the blocking part out of the placement groove.

[0020] As can be seen from the above scheme, with the above settings, when the abutting part of the rocker plate abuts against the protrusion of the base plate, the rocker plate can rotate around the pivot, causing the blocking part of the rocker plate to exit the placement slot. At this time, the locking assembly is in the unlocked state, making it convenient to pull out or push in the sample rack.

[0021] To achieve the second objective mentioned above, the analyzer provided by this utility model includes the sample rack preparation device described above. Attached Figure Description

[0022] Figure 1 This is a structural diagram of the sample rack preparation device embodiment in its initial state.

[0023] Figure 2 This is an exploded view of an embodiment of the sample rack preparation device of this utility model in its initial state.

[0024] Figure 3 This is a structural diagram of an embodiment of the sample rack dispensing device of this utility model when one of the sample racks needs to be removed.

[0025] Figure 4 This is a cross-sectional view of the locking component in the locked state in an embodiment of the sample rack dispensing device of this utility model.

[0026] Figure 5 This is a cross-sectional view of the locking component in the unlocked state in an embodiment of the sample rack dispensing device of this utility model.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1-Tray, 11-Placement slot, 111-Perforation, 12-Locking assembly, 121-Rotating shaft, 122-Elastic element, 123-Rocker, 1231-Blocking part, 1232-Abutting part, 13-Support plate, 14-Cavity.

[0029] 2-Base plate, 21-Limiting part, 22-Protrusion, 23-Mounting groove.

[0030] 3-Adjustment component, 31-Drive device, 311-Power source, 312-Drive wheel, 313-Driven wheel, 32-Moving part, 32a-Annular synchronous belt, 321-Boss, 33-Baffle, 34-Gap, 35-Partition, 36-Detection device.

[0031] 4-Sample rack.

[0032] The present invention will be further described below with reference to the accompanying drawings and embodiments. Detailed Implementation

[0033] Example of a sample rack dispensing device:

[0034] See Figures 1 to 3 This embodiment provides a sample rack dispensing device, including a tray 1, a base plate 2, and a dispensing assembly 3. The base plate 2 has a protrusion 22 and two limiting portions 21. The limiting portions 21 protrude from the upper surface of the base plate 2, and the two limiting portions 21 are arranged opposite each other to form a mounting groove 23. The mounting groove 23 has openings facing upwards and forwards. The protrusion 22 is disposed within the mounting groove 23, with both ends extending towards the two limiting portions 21. The protrusion 22 protrudes above the bottom of the mounting groove 23, and the protrusion height of the protrusion 22 is lower than the protrusion height of the limiting portions 21.

[0035] The tray 1 is detachably mounted on the base plate 2. Specifically, the tray 1 is detachably mounted in the mounting groove 23 and on the protrusion 22. Several placement slots 11 are arranged on the tray 1, and all placement slots 11 have openings facing the front end for the sample rack 4 to enter and exit. Each placement slot 11 can hold one sample rack 4.

[0036] The dispensing assembly 3 includes a drive unit 31, a movable member 32, and several baffles 33. The movable member 32 extends at least partially parallel to the arrangement direction of the placement slots 11. The baffles 33 are disposed on the movable member and are positioned to block the opening of the placement slot 11, thereby closing the opening of the placement slot 11. The drive unit 31 can drive the movable member 32 to move, thereby causing the baffles 33 to move linearly, so as to open the opening of any one of the placement slots 11.

[0037] In one embodiment, the moving member 32 is an annular synchronous belt 32a, and the upper extension direction of the annular synchronous belt 32a is parallel to the arrangement direction of the placement groove 11.

[0038] In this embodiment, the distribution assembly 3 further includes a drive wheel 312, a driven wheel 313, and a power source 311. The power source 311 is connected to the drive wheel 312, and an annular synchronous belt 32a is wound around the outside of the drive wheel 312 and the driven wheel 313. The annular synchronous belt 32a has a plurality of protrusions 321 evenly spaced along its extension direction, and a plurality of baffles 33 are respectively disposed on the corresponding protrusions 321. That is, a plurality of baffles 33 are arranged along the extension direction of the annular synchronous belt 32a, and gaps 34 are provided between the plurality of baffles 33. The power source 311 is preferably a motor. The power source 311 drives the annular synchronous belt 32a to rotate through the drive wheel 312 and the driven wheel 313, thereby driving all the baffles 33 to move simultaneously. The baffles 33 located on the upper part of the annular synchronous belt 32a can move in a straight line, so that the gaps 34 can be aligned with any of the placement slots 11 to open the opening of the placement slot 11.

[0039] The minimum number of baffles 33 is equal to twice the number of placement slots 11 minus one. All baffles 33 are arranged in a preset row along the extension direction of the annular synchronous belt 32a. In this embodiment, there are five placement slots 11 and nine baffles 33. The nine baffles 33 are arranged in a preset row along the extension direction of the annular synchronous belt 32a. A gap 34 is provided in the middle of the preset row. The first side of the gap 34 has the same number of baffles 33 as the placement slots 11, that is, five baffles 33; the remaining four baffles 33 are arranged on the second side of the gap 34. All baffles 33 can move simultaneously.

[0040] Combination Figure 1 and Figure 3 In the initial state, the five baffles 33 located on the first side of the vacancy 34 are respectively set to correspond one-to-one with the five placement slots 11, and the openings of the five placement slots 11 are all closed. When needed, the power source 311 drives the annular synchronous belt 32a to rotate clockwise, so that the vacancy 34 is aligned with the first placement slot 11, so that the opening of the placement slot 11 is opened. At this time, the gripping module and other components in the subsequent process can take out the sample holder 4 in the placement slot 11 along the arrangement direction of the placement slots 11, or put the sample holder 4 into the placement slot 11.

[0041] As the annular synchronous belt 32a rotates, the vacancy 34 can move sequentially from the opening of the first placement slot 11 to the opening of the second placement slot 11, the opening of the third placement slot 11, the opening of the fourth placement slot 11, and the opening of the fifth placement slot 11, so that the gripping module and other components in the subsequent process can open the opening of the required placement slot 11 as needed.

[0042] In another embodiment, the moving member is a rack, the extension direction of the rack is parallel to the arrangement direction of the placement slots, the minimum number of baffles is equal to twice the number of placement slots minus one, all baffles are arranged on the rack in a preset row along the extension direction of the rack, a gap is provided in the middle of the preset row, the first side of the gap has a number of baffles equal to the number of placement slots, and all other baffles are arranged on the second side of the gap.

[0043] In this embodiment, the driving device includes a drive wheel and a power source. The power source is connected to the drive wheel, and the drive wheel meshes with a rack. The power source is preferably a motor. When the motor rotates, it drives the drive wheel to rotate, which in turn drives the rack to move linearly, thereby driving all the baffles to move linearly simultaneously.

[0044] In another embodiment, the direction of movement of the baffle is perpendicular to the direction of arrangement of the placement slots, and all baffles can move independently.

[0045] In this embodiment, the dispensing component may include multiple driving devices, each driving device and baffle is configured in a one-to-one correspondence. The driving device may be a pneumatic cylinder or a hydraulic cylinder. Each driving device can independently drive the corresponding baffle to move up and down, so as to open or close the opening of the placement slot.

[0046] In the above embodiments, to ensure that the baffle 33 can move accurately, the adjusting assembly 3 further includes a detection device 36. The detection end of the detection device 36 is disposed on the moving path of the baffle 33, preferably below the moving member 32. The detection device 36 is preferably a photoelectric switch.

[0047] The movable part 32 is provided with partitions 35 on both sides of its extension direction, and a channel is formed between the two partitions 35. The extension direction of the channel is parallel to the arrangement direction of the multiple placement slots 11. The movable part 32 is set in the channel, which helps to improve the accuracy and stability of the position of the movable part 32 when it rotates.

[0048] Combination Figure 4 and Figure 5 The bottom of the tray 1 is provided with a locking component 12, which includes a blocking part 1231 that can extend into the placement slot 11 to fix the sample rack 4 placed on the tray 1 and prevent the tray 1 from falling out of the placement slot 11 during movement.

[0049] When the tray 1 is placed into the mounting slot 23 of the base plate 2, the protrusion 22 forces the blocking part 1231 out of the placement slot 11, at which point the locking assembly 12 is in the unlocked state; thereafter, all sample racks 4 on the tray 1 can be pulled out of the placement slot 11, or the sample racks 4 can be pushed into any placement slot 11. Specifically:

[0050] The bottom wall of the tray 1 has a number of perforations 111, the number of perforations 111 is equal to the number of placement slots 11, and the perforations 111 and placement slots 11 are arranged in a one-to-one correspondence and connected.

[0051] The locking assembly 12 includes a rotating shaft 121, several elastic elements 122, and several rocker arms 123. The number of rocker arms 123 and elastic elements 122 is equal to the number of through holes 111, and in this embodiment, five of each are preferred. The rotating shaft 121 extends along the arrangement direction of the placement groove 11, and the five rocker arms 123 are arranged on the rotating shaft 121. Preferably, the middle part of the rocker arm 123 is rotatably connected to the rotating shaft 121, and a blocking part 1231 is provided on the first end of the rocker arm 123. The blocking part 1231 intersects the extension direction of the first end of the rocker arm 123 and protrudes from the surface of the first end of the rocker arm 123. The second end of the rocker arm 123 is provided with an abutment part 1232, which intersects the extension direction of the second end of the rocker arm 123 and protrudes from the surface of the second end of the rocker arm 123. The elastic element 122 is preferably a torsion spring. The middle part of the elastic element 122 is sleeved on the rotating shaft 121, and the two ends of the elastic element 122 elastically abut against the rocker plate 123 and the bottom wall of the tray 1, respectively.

[0052] Under normal conditions, the blocking part 1231 of the rocker 123 extends into the placement slot 11 through the perforation 111, facilitating contact with the sample holder 4 to restrict its movement; at this time, the contact part 1232 of the rocker 123 is located below the rotating shaft 121. When the contact part 1232 contacts the protrusion 22, it forces both ends of the rocker 123 to rotate around the rotating shaft 121, causing the blocking part 1231 to exit the placement slot 11, thereby unlocking the sample holder 4.

[0053] The bottom of the tray 1 is provided with at least two support plates 13, which protrude downward from the bottom wall of the tray 1. A cavity 14 is formed between the two support plates 13, and the locking assembly 12 is disposed in the cavity 14. The downward protrusion of the support plates 13 is higher than the downward protrusion of the rocker arm 123 in the locked state, so that when the tray 1 is placed on a horizontal surface without the protrusion 22, the support plates 13 abut against the horizontal surface, and there is a safe distance between the second end of the rocker arm 123 and the horizontal surface, avoiding forced rotation of the rocker arm 123 and erroneous unlocking.

[0054] Analyzer Example:

[0055] The analyzer provided in this embodiment includes a sample stage and a sample rack dispensing device as described in the above embodiment. The base plate of the sample rack dispensing device can be set on the sample stage, or the base plate of the sample rack dispensing device can be the top plate of the sample stage.

[0056] In summary, the base plate 2 of this utility model can be set on the sample table or can be the top plate of the sample table. When the tray 1 is placed on the base plate 2, the blocking part 1231 retracts from the placement slot 11, so that the locking component 12 is in the unlocked state. At this time, the baffle 33 first closes the openings of all placement slots 11. When needed, the baffle 33 is driven to move linearly by the driving device 31 to open the opening of any one placement slot 11 as needed, so that the gripping module of the subsequent process can take out the sample rack 4 in the placement slot 11 along the arrangement direction of the placement slots 11, or put the sample rack 4 into the placement slot 11. During this process, the openings of the other placement slots 11 are all in the closed state to avoid accidental fall of other sample racks 4 due to accidental contact. This utility model has the advantages of safety and reliability by setting multiple placement slots 11 on the tray 1 to meet the needs of batch sample loading, and by setting a linearly movable baffle 33 to open the opening of any one placement slot 11 to meet the needs of individual picking and placing of sample racks 4 on the sample table.

[0057] Finally, it should be emphasized that the above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, the present utility model can have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A sample rack dispensing device, comprising a tray and a base plate, wherein a plurality of placement slots are arranged on the tray, one end of each placement slot has an opening, and a locking assembly is provided at the bottom of the tray, the locking assembly including a blocking part that can extend into the placement slot, the tray being detachably mounted on the base plate to force the blocking part out of the placement slot, characterized in that, Also includes: The dispensing assembly includes a driving device and a plurality of baffles, the baffles being obstructively disposed at the corresponding openings, and the driving device being able to drive the baffles to move linearly to open any one of the placement slots.

2. The sample rack dispensing device according to claim 1, characterized in that: The dispensing component includes a movable member, the extension direction of which is at least partially parallel to the arrangement direction of the placement slots, the minimum number of baffles is equal to twice the number of placement slots minus one, all the baffles are arranged in a preset row along the extension direction of the movable member, a vacancy is provided in the middle of the preset row, the first side of the vacancy has a number of baffles equal to the number of placement slots, and the remaining baffles are arranged on the second side of the vacancy.

3. The sample rack dispensing device according to claim 2, characterized in that: The moving component is an annular synchronous belt. The driving device includes a driving wheel, a driven wheel, and a power source. The power source is connected to the driving wheel. The annular synchronous belt is wrapped around the outside of the driving wheel and the driven wheel. The power source can drive the annular synchronous belt to rotate, thereby driving the baffle to move.

4. The sample rack dispensing device according to claim 2, characterized in that: The moving component is a rack, and the driving device includes a drive wheel and a power source. The power source is connected to the drive wheel, and the drive wheel meshes with the rack. The power source can drive the rack to move, thereby driving the baffle to move.

5. The sample rack dispensing device according to claim 1, characterized in that: The moving direction of the baffle is perpendicular to the arrangement direction of the placement slot, and all the baffles can move independently.

6. The sample rack dispensing device according to any one of claims 1 to 5, characterized in that: The dispensing assembly also includes a detection device, the detection end of which is disposed on the moving path of the baffle.

7. The sample rack dispensing device according to any one of claims 1 to 5, characterized in that: The base plate is provided with a protrusion; The locking component is correspondingly disposed to the protrusion, and the protrusion can force the blocking part to exit the placement groove.

8. The sample rack dispensing device according to claim 7, characterized in that: The bottom wall of the tray has a number of through holes, and the through holes are configured to correspond one-to-one with the placement slots and are connected. The locking assembly includes a rotating shaft, several elastic elements, and several rocker arms. The rocker arms are arranged on the rotating shaft, and each rocker arm corresponds to one of the placement slots. The middle part of each rocker arm is rotatably connected to the rotating shaft. A blocking part is provided at the first end of each rocker arm, and an abutment part is provided at the second end of each rocker arm. The elastic elements elastically abut against the rocker arm and the bottom wall of the tray, so that the blocking part can pass through the perforation and extend into the placement slot. The abutment part is located below the rotating shaft.

9. The sample rack dispensing device according to claim 8, characterized in that: The base plate is also provided with two limiting parts, which are arranged opposite to each other to form a mounting groove, and the protrusion is disposed in the mounting groove; The tray is detachably disposed in the mounting groove, and the protrusion can abut against the abutment to force the blocking part out of the placement groove.

10. An analyzer, characterized in that: Includes the sample rack dispensing device as described in any one of claims 1 to 9.

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