In vitro diagnosis analyzer and object grabbing assembly

Abstract

The utility model relates to an in-vitro diagnosis analyzer and an object grabbing assembly. The object grabbing assembly comprises a supporting base, an object clamping assembly, a rotating piece, a driving mechanism and a second elastic piece. When the object clamping assembly does not clamp an object and is located at the initial position, under the synergistic effect of the first elastic piece and the second elastic piece, the first clamping piece can tightly abut against the second abutting part, namely, the initial position is the clamping closing position, the position is unique, and object clamping is more accurate. When the object clamping assembly clamps an object, under the synergistic effect of the first elastic piece and the second elastic piece, the object clamping assembly can be stably located at the clamping closing position, flexible and accurate switching between the clamping closing position and the clamping opening position can be achieved, position parameters after resetting are kept consistent, and the object clamping efficiency is high.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices, and in particular to an in vitro diagnostic analyzer and an object grasping component. Background Art

[0002] Objects, including but not limited to reaction cups, test tubes, containers, etc., are widely used in the field of medical devices, and usually involve being transferred from one processing position to another processing position under the clamping action of an automated grasping manipulator. After grasping an object, the clamping part of the automated grasping manipulator in the related art generally needs to rotate and adjust the angle of the clamping part to the initial position, which not only has insufficient object clamping stability, but also has low clamping efficiency. Summary of the invention

[0003] Based on this, it is necessary to overcome the defects of the prior art and provide an in vitro diagnostic analyzer and an object grasping assembly, which can improve the clamping stability and the clamping efficiency.

[0004] An object grabbing assembly, the object grabbing assembly comprising:

[0005] Support seat;

[0006] An object clamping assembly, the object clamping assembly comprising a first clamping member and a second clamping member slidably disposed on the support seat, and a first elastic member connecting the first clamping member and the second clamping member;

[0007] A rotating member, wherein the rotating member is provided with a rotation center O and a major axis X and a minor axis Y passing through the rotation center O, first abutment portions are respectively provided at both ends of the major axis X, second abutment portions and avoidance portions are respectively provided at both ends of the minor axis Y, a distance S1 between the second abutment portion and the rotation center O is greater than a distance S2 between the avoidance portion and the rotation center O, and the rotating member is disposed between the first clamping member and the second clamping member;

[0008] A driving mechanism, wherein the driving mechanism is mounted on the support seat, the driving mechanism is connected to the rotating member, and is used to drive the rotating member to rotate around the rotation center O, so that the object clamping assembly switches between a closed clamping position and an open clamping position; when in the closed clamping position, the second abutting portion abuts against the first clamping member, and a gap is provided between the avoidance portion and the second clamping member; when in the open clamping position, the two first abutting portions abut against the first clamping member and the second clamping member respectively; and

[0009] A second elastic member, wherein the second elastic member is connected to the first clamping member, and the second elastic member is also connected to the support seat, so that the first clamping member and the rotating member are kept in contact.

[0010] In one embodiment, the outer contour of the rotating member includes a first arc segment and / or a first straight segment connected between the first abutment portion and the second abutment portion, and a second arc segment and / or a second straight segment connected between the first abutment portion and the avoidance portion; and / or the second abutment portion is an arc.

[0011] In one embodiment, the rotating member is a cam structure that is symmetrically arranged about the short axis Y; and / or, the rotating member is a cam structure that is asymmetrically arranged about the long axis X.

[0012] In one of the embodiments, the support seat is provided with a mounting plate, the mounting plate is provided with a rotation hole, the rotating member is provided with a connecting portion, and the connecting portion passes through the rotation hole and is connected to the rotating shaft of the driving mechanism.

[0013] In one embodiment, the clamping centerline Z of the object clamping assembly coincides with the rotation center O.

[0014] In one embodiment, the object grasping assembly further includes a first sensor and / or a second sensor; the first sensor is used to sense whether the rotating member is in an initial position; the second sensor is used to sense whether the object clamping assembly is in a closed clamping position.

[0015] In one of the embodiments, the object grabbing assembly further includes a connecting arm slidably disposed on the supporting seat, and a third elastic member disposed between the connecting arm and the supporting seat, wherein the connecting arm is used to be connected to the moving mechanism.

[0016] In one of the embodiments, the object grasping assembly further includes a third sensor disposed on the connecting arm or the supporting base, and the third sensor is used to sense whether the relative position of the connecting arm and the supporting base changes.

[0017] In one embodiment, the first clamping member includes a first main body slidably disposed on the support seat, a first positioning portion and a first clamping portion connected to the first main body; the second clamping member includes a second main body slidably disposed on the support seat, a second positioning portion and a second clamping portion connected to the second main body; the rotating member is disposed between the first positioning portion and the second positioning portion; the first clamping portion and the second clamping portion cooperate with each other to clamp or release an object.

[0018] An in vitro diagnostic analyzer comprises the object grabbing component.

[0019] The above-mentioned in vitro diagnostic analyzer and object grasping assembly, when the object clamping assembly does not clamp an object and is in the initial position, the first clamping member and the second abutting portion can be tightly abutted under the coordinated action of the first elastic member and the second elastic member, that is, the initial position is a closed clamping position, which is a unique position and is conducive to clamping the object more accurately; when the object clamping assembly clamps the object, the first elastic member and the second elastic member can be coordinated to make the object clamping assembly stably in the closed clamping position, and can flexibly and accurately switch between the closed clamping position and the open clamping position, and the position parameters after resetting remain consistent, so that the object clamping efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] FIG. 1 is a structural diagram of an object grasping assembly according to an embodiment of the present application from one perspective.

[0021] FIG. 2 is a structural diagram of a rotating member from one perspective according to an embodiment of the present application.

[0022] FIG. 3 is a structural diagram of the structure shown in FIG. 2 after being rotated 90 degrees.

[0023] FIG. 4 is a structural diagram of a rotating member according to another embodiment of the present application.

[0024] FIG. 5 is a structural diagram of the structure shown in FIG. 1 from another viewing angle.

[0025] FIG. 6 is a structural diagram of the structure shown in FIG. 1 from another viewing angle.

[0026] FIG. 7 is a structural diagram of the structure shown in FIG. 1 from another viewing angle.

[0027] FIG. 8 is a structural diagram of the structure shown in FIG. 1 from another viewing angle.

[0028] 10. Support seat; 11. Mounting plate; 20. Object clamping assembly; 21. First clamping member; 211. First body; 212. First positioning portion; 213. First clamping portion; 22. Second clamping member; 221. Second body; 222. Second positioning portion; 223. Second clamping portion; 23. First elastic member; 30. Rotating member; 31. First abutting portion; 32. Second abutting portion; 33. Avoiding portion; 34. Connecting portion; 40. Driving mechanism; 50. Second elastic member; 61. First sensor; 62. Second sensor; 63. Third sensor; 70. Connecting arm; 80. Third elastic member; 90. Object. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0030] Referring to Figures 1 to 3, Figure 1 shows a structural diagram of an object grasping assembly from one perspective of an embodiment of the present application. Figure 2 shows a structural diagram of a rotating member 30 from one perspective of an embodiment of the present application, and Figure 3 shows a structural diagram of the structure shown in Figure 2 after rotating 90 degrees. An object grasping assembly provided in one embodiment of the present application includes: a support seat 10, an object clamping assembly 20, a rotating member 30, a driving mechanism 40 and a second elastic member 50. The object clamping assembly 20 includes a first clamping member 21 and a second clamping member 22 slidably disposed on the support seat 10, and a first elastic member 23 connecting the first clamping member 21 and the second clamping member 22. The rotating member 30 is provided with a rotation center O and a major axis X and a minor axis Y passing through the rotation center O. The first abutting portion 31 is provided at both ends of the major axis X, and the second abutting portion 32 and the avoiding portion 33 are provided at both ends of the minor axis Y. The distance S1 between the second abutting portion 32 and the rotation center O is greater than the distance S2 between the avoiding portion 33 and the rotation center O. The rotating member 30 is arranged between the first clamping member 21 and the second clamping member 22. The driving mechanism 40 is mounted on the support seat 10, and the driving mechanism 40 is connected to the rotating member 30, and is used to drive the rotating member 30 to rotate around the rotation center O, so that the object clamping assembly 20 switches between the closed clamping position and the open clamping position; when in the closed clamping position, the second abutting portion 32 abuts against the first clamping member 21, and the avoiding portion 33 is spaced from the second clamping member 22; when in the open clamping position, the two first abutting portions 31 abut against the first clamping member 21 and the second clamping member 22, respectively. The second elastic member 50 is connected to the first clamping member 21 , and the second elastic member 50 is also connected to the support seat 10 , so that the first clamping member 21 and the rotating member 30 are kept in contact.

[0031] Among them, since the two first abutting portions 31 are located at both ends of the long axis X, the length of the long axis X is greater than the length of the short axis Y. In this way, when the two first abutting portions 31 are respectively abutted with the first clamping member 21 and the second clamping member 22, the distance between the two clamping members can be maximized, so that the clamping can be opened to grasp the object 90 or release the object 90.

[0032] It should be noted that the distance S3 between each first abutment portion 31 and the rotation center O can be the same, so that after the clamping is opened, the distance between the two clamping members and the rotation center O is the same; or they can be different, for example, a deviation of less than 5% due to manufacturing errors and assembly errors is allowed. In this way, after the clamping is opened, the distances between the two clamping members and the rotation center O are different, as long as the minimum length of a single side is greater than the radius of the object 90, so as not to affect the alignment and clamping operation of the object 90.

[0033] It should be noted that the major axis X and the minor axis Y are arranged at an angle, and the angle can be flexibly adjusted and set according to actual needs, including but not limited to 30°, 60°, 90°, 120°, 150°, etc. In this embodiment, the angle of 90° is taken as an example for expansion, so that the switching between the closed clamping position and the open clamping position only requires the rotating member 30 to rotate 90°, that is, the mutual switching between the structure shown in FIG. 2 and the structure shown in FIG. 3.

[0034] The above-mentioned object grasping component, when the object clamping component 20 does not clamp the object 90 and is in the initial position, under the coordinated action of the first elastic member 23 and the second elastic member 50, the first clamping member 21 can be tightly abutted against the second abutment portion 32, that is, the initial position is a closed clamping position, which is unique and plays a positioning role, which is conducive to clamping the object 90 more accurately; when the object clamping component 20 clamps the object 90, under the coordinated action of the first elastic member 23 and the second elastic member 50, the object clamping component 20 can be stably in the closed clamping position, and can realize flexible and accurate switching between the closed clamping position and the open clamping position, and the position parameters after resetting remain consistent, so that the clamping efficiency of the object 90 is high.

[0035] In some embodiments, the first elastic member 23 and the second elastic member 50 are independently configured as various elastic structures such as elastic strips, elastic ropes, springs, elastic chains, etc. In this embodiment, the clamping force is not less than 2N, and spring clamping can be used, which is lighter, easier to control, and has a stable and reliable clamping effect.

[0036] Please refer to FIG. 2 and FIG. 3 , in some embodiments, the outer contour of the rotating member 30 includes a first arc segment and / or a first straight segment connected between the first abutting portion 31 and the second abutting portion 32, and a second arc segment and / or a second straight segment connected between the first abutting portion 31 and the avoidance portion 33. In this way, the rotating member 30 can be smoothly and flexibly switched between the clamping position and the opening position, and the wear and collision noise of the rotating member 30 during the rotation process can be reduced, and the positioning accuracy can be improved.

[0037] In one embodiment, the second abutting portion 32 is in an arc shape. When the second abutting portion is in an arc shape, the distance between the first positioning portion 212 and the rotating member 30 in the arc segment is equal, so that the clamping position is more accurate.

[0038] The first arc segment includes but is not limited to a circular arc segment, an elliptical arc segment and a combination of the two, and the number of each includes but is not limited to one, two or other numbers, which can be flexibly adjusted and set according to actual needs. In addition, when the first arc segment and the first straight line segment are connected to each other, the connecting portion 34 of the first arc segment and the first straight line segment is chamfered. In addition, the first straight line segment is not limited to one, and can also be set to two, three or other numbers. When the first straight line segment is set to at least two, a first arc segment is set between two adjacent first straight line segments.

[0039] Furthermore, the arrangement of the second arc segment and the second straight segment may be similar to or different from the arrangement of the first arc segment and the first straight segment. It may be adjusted according to actual needs and is not limited here.

[0040] In some embodiments, the rotating member 30 is a cam structure symmetrically arranged about the short axis Y; and / or, the rotating member 30 is a cam structure asymmetrically arranged about the long axis X.

[0041] Please refer to Figures 1, 4 and 6. In some embodiments, the support base 10 is provided with a mounting plate 11, the mounting plate 11 is provided with a rotation hole, and the rotating member 30 is provided with a connecting portion 34. The connecting portion 34 passes through the rotation hole and is connected to the rotating shaft of the driving mechanism 40.

[0042] In some embodiments, the axial cross-sectional shape of the connecting portion 34 is set to a non-circular structure such as a D-shape, an ellipse, or a polygon, so that after the connecting portion 34 is connected to the rotating shaft of the driving mechanism 40 by a butt sleeve connection, the two can be rotated synchronously, which is beneficial to improving assembly efficiency. Of course, the connecting portion 34 can also be set to a connecting shaft with a circular axial cross-section, and connected to the rotating shaft of the driving mechanism 40 by, for example, welding.

[0043] 1 to 3 , in some embodiments, the clamping centerline Z of the object clamping assembly 20 coincides with the rotation center O. This is beneficial for stably clamping the object 90 .

[0044] Please refer to FIG. 7 . In some embodiments, the object grasping assembly further includes a first sensor 61. The first sensor 61 is used to sense whether the rotating member 30 is in an initial position. The initial position may correspond to either a closed clamp position or an open clamp position, and may be flexibly adjusted and set according to actual needs, as long as it can calibrate the rotation angle position of the rotating member 30. In this way, when the rotating member 30 is in the initial position, the first sensor 61 can accurately sense it and play a calibration role, so that the closed clamp position and the open clamp position are accurate and reliable, and the sensing signal can be sent to the controller, and the controller controls the operation of the driving mechanism 40 according to the sensing signal.

[0045] Please refer to FIG. 5 and FIG. 7 . In some embodiments, the object grasping assembly further includes a second sensor 62. The second sensor 62 is used to sense whether the object clamping assembly 20 is in the closed clamping position. Specifically, the second sensor 62 is, for example, disposed on the support seat 10, and the first clamping member 21 is provided with a sensing member that senses and cooperates with the second sensor 62. When the first clamping member 21 is in the closed clamping position, the second sensor 62 can sense the sensing member on the first clamping member 21 and generate a sensing signal; conversely, when the first clamping member 21 leaves the closed clamping position, the second sensor 62 is away from the sensing member on the first clamping member 21 and cannot generate a sensing signal.

[0046] Referring to FIG. 7 and FIG. 8 , in some embodiments, the object grabbing assembly further includes a connecting arm 70 slidably disposed on the support seat 10, and a third elastic member 80 disposed between the connecting arm 70 and the support seat 10. The connecting arm 70 is used to be connected to the moving mechanism. In this way, when the moving mechanism drives the support seat 10 to move through the connecting arm 70, when the object clamping assembly 20 or the object 90 clamped by it moves downward and collides, the third elastic member 80 is compressed to play an anti-collision buffering role.

[0047] In some embodiments, the third elastic member 80 includes but is not limited to various buffer structures such as a spring, an elastic block, and an elastic rod.

[0048] Please refer to FIG. 7 and FIG. 8 . In some embodiments, the object grabbing assembly further includes a third sensor 63 disposed on the connecting arm 70 or the supporting base 10. The third sensor 63 is used to sense whether the relative position of the connecting arm 70 and the supporting base 10 has changed. In this way, by sensing whether the relative position of the connecting arm 70 and the supporting base 10 has changed, it is judged whether a collision has occurred, and the moving mechanism can be controlled to stop the action in time according to the sensing signal, thereby reducing the risk of collision.

[0049] Specifically, in this embodiment, the third sensor 63 is, for example, disposed on the connecting arm 70, and a sensing element that cooperates with the third sensor 63 is disposed on the supporting base 10. When a collision occurs, the supporting base 10 drives the sensing element to move toward the direction close to the third sensor 63 until it is sensed by the third sensor 63, and it can be determined that the relative position of the connecting arm 70 and the supporting base 10 has changed, that is, a collision is sensed; conversely, when no collision occurs, the third sensor 63 will not sense the sensing element.

[0050] Please refer to FIG. 6 . In some embodiments, the first clamping member 21 includes a first main body 211 slidably disposed on the support base 10, a first positioning portion 212 and a first clamping portion 213 connected to the first main body 211. The second clamping member 22 includes a second main body 221 slidably disposed on the support base 10, a second positioning portion 222 and a second clamping portion 223 connected to the second main body 221; the rotating member 30 is disposed between the first positioning portion 212 and the second positioning portion 222; the first clamping portion 213 and the second clamping portion 223 cooperate with each other to clamp the object 90 or release the object 90.

[0051] In some embodiments, the first clamping member 21 and the second clamping member 22 are each connected to the support base 10 by means of a slide rail and a slider, so as to slide relative to the support base 10. Similarly, the connecting arm 70 is provided on the support base 10 by means of a slide rail and a slider.

[0052] Please refer to FIG. 1 to FIG. 3 again. In some embodiments, an in vitro diagnostic analyzer is provided. The in vitro diagnostic analyzer includes the object grabbing assembly of any of the above embodiments.

[0053] In the above-mentioned in vitro diagnostic analyzer, when the object clamping assembly 20 does not clamp the object 90 and is in the initial position, under the coordinated action of the first elastic member 23 and the second elastic member 50, the first clamping member 21 can be tightly abutted against the second abutting portion 32, that is, the initial position is a closed clamping position, which is a unique position and is conducive to clamping the object 90 more accurately; when the object clamping assembly 20 clamps the object 90, under the coordinated action of the first elastic member 23 and the second elastic member 50, the object clamping assembly 20 can be stably in the closed clamping position, and can realize flexible and accurate switching between the closed clamping position and the open clamping position, and the position parameters after resetting remain consistent, so that the clamping efficiency of the object 90 is high.

[0054] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0055] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0056] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0057] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0058] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0059] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described 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.

[0060] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. An object grabbing component, characterized in that: The object grasping component comprises: Support seat; An object clamping assembly, the object clamping assembly comprising a first clamping member and a second clamping member slidably disposed on the support seat, and a first elastic member connecting the first clamping member and the second clamping member; A rotating member, wherein the rotating member is provided with a rotation center O and a major axis X and a minor axis Y passing through the rotation center O, first abutment portions are respectively provided at both ends of the major axis X, second abutment portions and avoidance portions are respectively provided at both ends of the minor axis Y, a distance S1 between the second abutment portion and the rotation center O is greater than a distance S2 between the avoidance portion and the rotation center O, and the rotating member is disposed between the first clamping member and the second clamping member; A driving mechanism, wherein the driving mechanism is mounted on the support seat, the driving mechanism is connected to the rotating member, and is used to drive the rotating member to rotate around the rotation center O, so that the object clamping assembly switches between a closed clamping position and an open clamping position; when in the closed clamping position, the second abutting portion abuts against the first clamping member, and a gap is provided between the avoidance portion and the second clamping member; when in the open clamping position, the two first abutting portions abut against the first clamping member and the second clamping member respectively; and A second elastic member, wherein the second elastic member is connected to the first clamping member, and the second elastic member is also connected to the support seat, so that the first clamping member and the rotating member are kept in contact.

2. The object grabbing assembly according to claim 1, characterized in that: The outer contour of the rotating member includes a first arc segment and / or a first straight segment connected between the first abutment portion and the second abutment portion, and a second arc segment and / or a second straight segment connected between the first abutment portion and the avoidance portion; and / or the second abutment portion is an arc.

3. The object grabbing assembly according to claim 1, characterized in that: The rotating member is a cam structure that is symmetrically arranged about the short axis Y; and / or the rotating member is a cam structure that is asymmetrically arranged about the long axis X.

4. The object grabbing assembly according to claim 1, characterized in that: The support seat is provided with a mounting plate, the mounting plate is provided with a rotation hole, the rotating member is provided with a connecting portion, and the connecting portion passes through the rotation hole and is connected to the rotating shaft of the driving mechanism.

5. The object grabbing assembly according to claim 1, characterized in that: The clamping center line Z of the object clamping assembly coincides with the rotation center O.

6. The object grabbing assembly according to claim 1, characterized in that: The object grabbing assembly further comprises a first sensor and / or a second sensor; the first sensor is used to sense whether the rotating member is in an initial position; the second sensor is used to sense whether the object clamping assembly is in a closed clamping position.

7. The object grabbing assembly according to claim 1, characterized in that: The object grabbing assembly further comprises a connecting arm slidably arranged on the supporting seat, and a third elastic member arranged between the connecting arm and the supporting seat, wherein the connecting arm is used to be connected to the moving mechanism.

8. The object grabbing assembly according to claim 7, characterized in that: The object grasping assembly further includes a third sensor disposed on the connecting arm or the supporting seat, and the third sensor is used to sense whether the relative position of the connecting arm and the supporting seat changes.

9. The object grabbing assembly according to claim 1, characterized in that: The first clamping member includes a first main body slidably arranged on the support seat, a first positioning portion and a first clamping portion connected to the first main body; the second clamping member includes a second main body slidably arranged on the support seat, a second positioning portion and a second clamping portion connected to the second main body; the rotating member is arranged between the first positioning portion and the second positioning portion; the first clamping portion and the second clamping portion cooperate with each other to clamp or release an object.

10. An in vitro diagnostic analyzer, characterized in that: The in vitro diagnostic analyzer comprises the object gripping assembly according to any one of claims 1 to 9.

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