Sample temporary storage module and analyzer

Abstract

The utility model provides a sample temporary storage module and analyser, the sample temporary storage module includes support plate, drive device, driving wheel, driven wheel, synchronous belt, limit block, limit part and a plurality of sample placing piece, the synchronous belt is wound around the outside of driving wheel and driven wheel, the plurality of sample placing piece is arranged on the synchronous belt, the limit part is arranged on the support plate. The driving device can drive the synchronous belt to rotate so as to drive the sample placing piece to move, a placing cavity used for placing a reaction cup is formed in the sample placing piece, the limiting part and the limiting block are arranged on the inner side and the outer side of the synchronous belt respectively, and the limiting block and the limiting part are oppositely arranged at intervals and form a passage allowing the sample placing piece and the synchronous belt to penetrate through; the limiting block can limit up-down position offset and outward position offset of the sample placing piece, and the limiting part can limit inward position offset of the sample placing piece; the analyzer comprises a gripper module and a sample temporary storage module, according to the utility model, the reaction cup can be accurately positioned, and the gripper module can conveniently and accurately grab the reaction cup on the gripper module.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a sample temporary storage module and an analyzer. Background Art

[0002] In in vitro diagnostic equipment, a test tube rack containing reaction cups is generally placed on a moving device, the test tube rack is moved to a destination position by the moving device, and then the reaction cup is grasped by a gripper module to proceed to the next experimental process.

[0003] In the prior art, the mobile device for holding the reaction cup is generally a disc structure, and the disc is driven by a motor to rotate around its central axis to achieve the movement of the reaction cup, but the mobile device needs to occupy a large space.

[0004] There is also a conveying solution in the prior art that directly fixes the sample placement cavity on an elliptical synchronous belt. Although the conveying solution occupies a small space, it lacks a limiting device, which causes the sample placement cavity to be tilted to a certain extent, resulting in a certain position deviation of the reaction cup placed in the sample placement cavity. When the gripper module takes the material, the position deviation may easily lead to unstable clamping of the reaction cup, causing the reaction cup to fall and cause sample loss. Utility Model Content

[0005] The first purpose of the utility model is to provide a sample temporary storage module which can accurately position a reaction cup and facilitate a gripper module to accurately grip the reaction cup.

[0006] The second objective of the present invention is to provide an analyzer including the sample temporary storage module.

[0007] In order to achieve the above-mentioned first purpose, the utility model provides a sample temporary storage module, including a support plate, a driving device, a driving wheel, a driven wheel, a synchronous belt and a plurality of sample placement pieces, the driving wheel and the driven wheel are both arranged on the support plate, the synchronous belt is wound around the outside of the driving wheel and the driven wheel, a plurality of sample placement pieces are arranged on the synchronous belt, the driving device is connected to the driving wheel to drive the synchronous belt to rotate, and then drive the sample placement piece to move, a placement cavity for placing a reaction cup is provided on the sample placement piece, the sample temporary storage module also includes a limit block and a limit portion, the limit portion and the limit block are respectively arranged on the inner and outer sides of the synchronous belt, and the limit block and the limit portion are relatively spaced apart and form an aisle for the sample placement piece and the synchronous belt to pass through, in the aisle, the limit block can limit the upper and lower position deviation and the outward position deviation of the sample placement piece, and the limit portion can limit the inward position deviation of the sample placement piece.

[0008] It can be seen from the above scheme that by setting the limit block and the limit part, it is beneficial to limit the position deviation of the sample placement piece from the horizontal direction and the up and down direction respectively, avoid the sample placement piece from tilting, ensure the accurate position of the reaction cup in the sample placement piece, and facilitate the gripper module to accurately grasp the reaction cup.

[0009] A further solution is that the synchronous belt includes two straight segments and two arc segments, the two straight segments are relatively spaced apart, the two arc segments are relatively spaced apart, and the limit block and the limit portion are respectively arranged on both sides of one of the straight segments.

[0010] It can be seen from the above solution that the provision of an elliptical synchronous belt is beneficial for reducing the space occupied by the synchronous belt.

[0011] A further solution is that a positioning groove is provided on the side of the sample placement piece facing away from the synchronous belt, the positioning groove extends along the moving direction of the synchronous belt, and both ends of the positioning groove are penetrated; a protrusion is provided on the side of the limit block facing the sample placement piece, the protrusion can be embedded in the positioning groove and can move relatively in the positioning groove, and the protrusion is positioned and matched with the positioning groove.

[0012] It can be seen from the above solution that the positioning cooperation of the protrusion and the positioning groove is conducive to facilitating the movement and rapid positioning of the sample placement piece.

[0013] A further solution is that first positioning surfaces are provided on both upper and lower sides of the protrusion, and second positioning surfaces are provided on both upper and lower groove walls of the positioning groove, and the first positioning surface is adjacent to the second positioning surface in upper and lower directions.

[0014] A further solution is that the limit block is further provided with a stop surface on the side facing the sample placement piece, the stop surface is provided above the protrusion, and / or the stop surface is provided on the side of the protrusion facing the bottom of the positioning groove.

[0015] A further solution is that the sample temporary storage module also includes a center seat, the center seat is arranged on the inner side of the synchronous belt, the limiting part is arranged on one side wall of the center seat, a waste card channel is arranged in the center seat, and the entrance of the waste card channel is arranged on the top wall of the center seat.

[0016] It can be seen from the above scheme that by arranging a center seat on the inner side of the synchronous belt, it can not only limit the position deviation of the sample placement piece, but also facilitate the disposal of the waste reaction cup, which is conducive to the rational use of space and space saving.

[0017] A further solution is that the sample placement piece is fixedly connected to the synchronous belt.

[0018] A further solution is that a first mounting hole is provided on the sample placement piece, a second mounting hole is provided on the synchronous belt, the sample placement piece is fixed to the synchronous belt through a connecting piece, and the connecting piece passes through the second mounting hole and is connected to the first mounting hole; an air avoidance groove is provided on the synchronous belt and / or the limiting part, the air avoidance groove extends along the moving direction of the synchronous belt, and one end of the connecting piece is provided in the air avoidance groove.

[0019] A further solution is that the sample temporary storage module also includes a control unit, a detection device and a detection baffle, the control unit is respectively connected to the detection device and the driving device, the detection baffle is fixedly connected to one of the sample placement pieces, the detection device is fixedly arranged on the support plate, the detection baffle moves with the synchronous belt and can trigger the detection device to send a detection signal to the control unit.

[0020] It can be seen from the above scheme that by setting up a control unit, it is convenient to control the start and stop of the driving device; by setting up a detection device and a detection baffle, it is convenient for the control unit to determine whether the synchronous belt has just rotated one circle. If so, the driving device is controlled to pause, so that the staff can replenish new reaction cups on the sample storage module in time.

[0021] In order to achieve the second purpose mentioned above, the utility model provides an analyzer, including a gripper module and the above-mentioned sample temporary storage module, the gripper module is arranged on one side of the sample temporary storage module, the gripper module includes a movable sampling head, the sampling head can move to above the sample placement piece connected to the limit block, and the sampling head can pick up the reaction cup in the sample placement piece.

[0022] It can be seen from the above solution that the gripper module is provided to accurately grip the reaction cup in the sample placement piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is an exploded view of an embodiment of the sample temporary storage module of the utility model.

[0024] Figure 2 It is a cross-sectional view of an embodiment of the sample temporary storage module of the utility model.

[0025] Figure 3 yes Figure 2 Enlarged view of point A in the middle.

[0026] Figure 4 It is a structural diagram of an embodiment of the analyzer of the utility model.

[0027] in:

[0028] 1- Support plate;

[0029] 2- driving device;

[0030] 3-driving wheel, 31-first avoidance groove;

[0031] 4-driven wheel, 41-second avoidance groove;

[0032] 5-synchronous belt, 51-second mounting hole, 52-first air avoidance groove;

[0033] 6-sample placement piece, 61-placement cavity, 62-positioning groove, 621-second positioning surface, 63-first mounting hole;

[0034] 7-limiting block, 71-protruding portion, 711-first positioning surface, 712a / 712b-stop surface;

[0035] 8-center seat, 81-limiting part, 811-second air avoidance groove, 82-waste card channel;

[0036] 9-Detection device;

[0037] 10-Detection baffle;

[0038] 100-gripper module, 101-sampling head;

[0039] 200-sample temporary storage module;

[0040] 300-cup.

[0041] The present invention will be further described below with reference to the accompanying drawings and embodiments. DETAILED DESCRIPTION

[0042] Sample temporary storage module implementation example:

[0043] See also Figures 1 to 3 , and combined with Figure 4 The sample temporary storage module provided in this embodiment includes a support plate 1, a driving device 2, a driving wheel 3, a driven wheel 4, a synchronous belt 5 and a plurality of sample placement pieces 6. The driving wheel 3 and the driven wheel 4 are both arranged on the support plate 1, the driving device 2 is connected to the driving wheel 3, and the driven wheel 4 is rotatably arranged through a driven wheel mounting seat; the synchronous belt 5 is wound around the outside of the driving wheel 3 and the driven wheel 4; a plurality of sample placement pieces 6 are arranged on the outer wall of the synchronous belt 5; the driving device 2 is preferably a motor, and the driving device 2 drives the synchronous belt 5 to rotate through the driving wheel 3, thereby driving the sample placement piece 6 to move. A placement cavity 61 for placing the reaction cup 300 is provided on the sample placement piece 6, and the placement cavity 61 is provided with an entrance and exit upward.

[0044] The sample temporary storage module also includes a limit block 7 and a center seat 8, both of which are arranged on the support plate 1, and the limit portion 81 and the limit block 7 are respectively arranged on the inner and outer sides of the synchronous belt 5; a limit portion 81 is arranged on one side wall of the center seat 8, and the limit block 7 and the limit portion 81 are arranged relatively spaced apart to form a passage for the sample placement piece 6 and the synchronous belt 5 to pass through.

[0045] In the aisle, the limit block 7 can limit the upward and downward position deviation and outward position deviation of the sample placement piece 6, and the limit portion 81 can limit the inward position deviation of the sample placement piece 6, so that when the sample placement piece 6 moves into the aisle, it can be precisely positioned under the limitation of the limit block 7 and the limit portion 81, which can prevent the sample placement piece 6 from shifting in the horizontal direction and the upward and downward directions, and prevent the sample placement piece 6 from tilting.

[0046] In this embodiment, the synchronous belt 5 is set to be elliptical, and the synchronous belt 5 includes two straight segments and two arc segments, the two straight segments are arranged at intervals relative to each other, and the two arc segments are arranged at intervals relative to each other. Compared with the disc structure of the prior art, the elliptical synchronous belt 5 can not only realize the movement of the sample placement member 6, but also save space.

[0047] In this embodiment, the limit block 7 and the limit portion 81 are respectively arranged on both sides of one of the straight line segments. In other embodiments, the limit block 7 and the limit portion 81 may also be arranged on both sides of one of the arc segments. Compared with the solution of arranging on both sides of the arc segment, the solution of arranging on both sides of the straight segment is convenient for positioning the sample placement member 6 and can further save occupied space.

[0048] The sample placement member 6 is provided with a positioning groove 62 on the side facing away from the synchronous belt 5. The positioning groove 62 extends along the moving direction of the synchronous belt 5, and the two ends of the positioning groove 62 are penetrated, so that the positioning grooves 62 on multiple sample placement members 6 are arranged and connected along an elliptical trajectory. The limit block 7 is provided with a protrusion 71 on the side facing the sample placement member 6. The protrusion 71 can be embedded in the positioning groove 62 and can move relatively in the positioning groove 62, and the protrusion 71 is positioned and matched with the positioning groove 62. Specifically:

[0049] The upper and lower sides of the protrusion 71 are both provided with first positioning surfaces 711, and the two first positioning surfaces 711 are arranged in parallel or non-parallel, and in this embodiment, they are preferably arranged in parallel. The upper and lower groove walls of the positioning groove 62 are both provided with second positioning surfaces 621, and the first positioning surfaces 711 are adjacent to the corresponding second positioning surfaces 621 up and down, which not only limits the upward and downward position deviation of the sample placement member 6, but also limits the sample placement member 6 from tilting.

[0050] The stop block 7 is also provided with a stop surface 712a / 712b on the side facing the sample placement member 6, the stop surface 712a is provided above the protrusion 71, or the stop surface 712b is provided on the side of the protrusion 71 facing the bottom of the positioning groove 62, or the number of the stop surfaces 712 is set to two, one of which is provided above the protrusion 71, and the other is provided on the side of the protrusion 71 facing the bottom of the positioning groove 62. In this embodiment, the stop surface 712a is preferably provided above the protrusion 71, and the stop surface 712a extends in the up-down direction, and the stop surface 712a can be adjacent to the side wall of the sample placement member 6, so as to limit the sample placement member 6 from deviating outward, that is, limiting the sample placement member 6 from deviating toward the side where the stop block 7 is located, and preventing the sample placement member 6 from tilting toward the side where the stop block 7 is located.

[0051] The limiting portion 81 is disposed on a side wall of the center seat 8 and extends in the up-down direction. The limiting portion 81 can be adjacent to the synchronous belt 5 to limit the synchronous belt 5 from driving the sample placement member 6 to deviate inward and limit the sample placement member 6 from tilting inward.

[0052] A waste card channel 82 is provided in the central seat 8, and the waste card channel 82 extends in the up-down direction. The entrance of the waste card channel 82 is provided on the top wall of the central seat 8, so as to facilitate the discarding of the waste reaction cup 300. A pipe is provided at the lower part of the waste card channel 82, and the pipe is connected with the collecting device, so as to guide the waste reaction cup 300 to move toward the collecting device, so as to realize the recovery of the waste reaction cup 300.

[0053] In order to fix the sample placement member 6 to the synchronous belt 5, the sample placement member 6 of this embodiment has two first mounting holes 63 on the side facing the synchronous belt 5. The two first mounting holes 63 are arranged in an up-and-down arrangement. The first mounting holes 63 can be set as blind holes or through holes. In this embodiment, blind holes are preferred. The synchronous belt 5 has two second mounting holes 51, which are connected to the first mounting holes 63. The sample placement member 6 is fixed to the synchronous belt 5 by a connecting member (not shown in the figure). The connecting member passes through the second mounting hole 51 and is connected to the first mounting hole 63. The connecting member can be a screw or a bolt.

[0054] In order to prevent the connection piece from scratching the center seat 8, in this embodiment, a clearance groove is provided on the synchronous belt 5 and / or the limiting portion 81. For the convenience of description, a first clearance groove 52 is provided on the synchronous belt 5, and a second clearance groove 811 is provided on the limiting portion 81. The first clearance groove 52 and the second clearance groove 811 are correspondingly connected. The diameter of the first clearance groove 52 is slightly larger than the head diameter of the connection piece, and the second clearance groove 811 extends along the moving direction of the synchronous belt 5. One end of the connection piece is arranged in the first clearance groove 52 and / or the second clearance groove 811.

[0055] Correspondingly, the driving wheel 3 and the driven wheel 4 of this embodiment are respectively provided with a first avoidance groove 31 and a second avoidance groove 41 for avoiding the connecting member, and the first avoidance groove 31 and the second avoidance groove 41 are both arranged corresponding to the second avoidance groove 811 .

[0056] exist Figure 1 In the example, the sample temporary storage module further includes a control unit, a detection device 9 and a detection baffle 10, and the control unit is connected to the detection device 9 and the driving device 2 respectively; the detection baffle 10 is fixedly connected to one of the sample placement members 6, and the detection baffle 10 can move synchronously with the synchronous belt 5; the detection device 9 is fixedly arranged on the support plate 1, and the detection device 9 is preferably a photoelectric switch. Before the synchronous belt 5 rotates, the detection baffle 10 is arranged in the detection device 9; the control unit can control the driving device 2 to start, so as to drive the synchronous belt 5 to drive the sample placement member 6 and the detection baffle 10 to move; when the detection baffle 10 returns to the detection device 9, the detection baffle 10 can trigger the detection device 9 to send a detection signal to the control unit; the control unit determines that the synchronous belt 5 has just rotated one circle according to the detection signal, during which the control unit can control the driving device 2 to start, and each time the displacement of a sample placement member 6 is moved, the control unit controls the driving device 2 to pause, and places a new reaction cup 300 in the sample placement member 6 connected to the limit block 7, and then the control unit can control the driving device 2 to start to place the reaction cup at the next position.

[0057] Analyzer Example:

[0058] See also Figure 4 , and combined with Figure 1 The analyzer provided in this embodiment includes a gripper module 100 and a sample temporary storage module 200 of the above embodiment. The gripper module 100 is arranged on one side of the sample temporary storage module 200, and the gripper module 100 includes a movable sampling head 101, which can be moved to the top of the sample placement member 6 connected to the limit block 7, and the sampling head 101 can take up the reaction cup 300 in the sample placement member 6.

[0059] The movement of the sampling head 101 can be translational or rotational. In this embodiment, rotational movement is taken as an example. The sample placement piece 6 connected to the limit block 7 and the entrance of the waste card channel 82 arranged on the center seat 8 are both arranged on the rotation track of the sampling head 101. When the sampling head 101 is located directly above the sample placement piece 6, it can move downward and clamp the reaction cup 300 in the sample placement piece 6.

[0060] In summary, the utility model, by setting the limit block and the limit part, is conducive to limiting the position deviation of the sample placement piece from the horizontal direction and the vertical direction respectively, avoiding the tilt of the sample placement piece, ensuring the accurate position of the reaction cup in the sample placement piece, and facilitating the gripper module to accurately grasp the reaction cup.

[0061] Finally, it should be emphasized that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sample temporary storage module, comprising a support plate, a driving device, a driving wheel, a driven wheel, a synchronous belt and a plurality of sample placement members, wherein the driving wheel and the driven wheel are both arranged on the support plate, the synchronous belt is wound around the outside of the driving wheel and the driven wheel, a plurality of sample placement members are arranged on the synchronous belt, the driving device is connected to the driving wheel to drive the synchronous belt to rotate, thereby driving the sample placement member to move, and a placement cavity for placing a reaction cup is opened on the sample placement member, characterized in that: The sample temporary storage module also includes a limit block and a limit portion, the limit portion and the limit block are respectively arranged on the inner and outer sides of the synchronous belt, and the limit block and the limit portion are relatively spaced apart and form a passage for the sample placement piece and the synchronous belt to pass through, in the passage, the limit block can limit the upper and lower position deviation and outward position deviation of the sample placement piece, and the limit portion can limit the inward position deviation of the sample placement piece.

2. The sample temporary storage module according to claim 1, characterized in that: The synchronous belt comprises two straight segments and two arc segments, the two straight segments are arranged at a relative interval, the two arc segments are arranged at a relative interval, and the limit block and the limit portion are respectively arranged on both sides of one of the straight segments.

3. The sample temporary storage module according to claim 1, characterized in that: A positioning groove is provided on a side of the sample placement member facing away from the synchronous belt, the positioning groove extends along the moving direction of the synchronous belt, and both ends of the positioning groove are penetrated; A convex portion is provided on one side of the limiting block facing the sample placement member. The convex portion can be embedded in the positioning groove and can move relatively in the positioning groove, and the convex portion is positioned and matched with the positioning groove.

4. The sample temporary storage module according to claim 3, characterized in that: The upper and lower sides of the protrusion are both provided with first positioning surfaces, the upper and lower side groove walls of the positioning groove are both provided with second positioning surfaces, and the first positioning surface is adjacent to the second positioning surface up and down.

5. The sample temporary storage module according to claim 3, characterized in that: The limiting block is further provided with a stop surface on a side facing the sample placement member, the stop surface is arranged above the protruding portion, and / or the stop surface is arranged on a side of the protruding portion facing the bottom of the positioning groove.

6. The sample temporary storage module according to claim 1, characterized in that: The sample temporary storage module also includes a center seat, which is arranged on the inner side of the synchronous belt. The limiting portion is arranged on a side wall of the center seat. A waste card channel is arranged in the center seat, and the entrance of the waste card channel is arranged on the top wall of the center seat.

7. The sample temporary storage module according to claim 1, characterized in that: The sample placement piece is fixedly connected to the synchronous belt.

8. The sample temporary storage module according to claim 7, characterized in that: The sample placement member is provided with a first mounting hole, the synchronous belt is provided with a second mounting hole, the sample placement member is fixed to the synchronous belt via a connecting member, and the connecting member passes through the second mounting hole and is connected to the first mounting hole; The synchronous belt and / or the limiting portion are provided with a clearance groove, the clearance groove extends along the moving direction of the synchronous belt, and one end of the connecting member is arranged in the clearance groove.

9. The sample temporary storage module according to any one of claims 1 to 8, characterized in that: The sample temporary storage module also includes a control unit, a detection device and a detection baffle, the control unit is respectively connected to the detection device and the driving device, the detection baffle is fixedly connected to one of the sample placement members, the detection device is fixedly arranged on the support plate, and the detection baffle moves with the synchronous belt and can trigger the detection device to send a detection signal to the control unit.

10. An analyzer, characterized in that: It comprises a gripper module and the sample temporary storage module as described in any one of claims 1 to 9, wherein the gripper module is arranged on one side of the sample temporary storage module, and the gripper module comprises a movable sampling head, which can be moved to above the sample placement piece connected to the limit block, and the sampling head can pick up the reaction cup in the sample placement piece.

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