Blood sample diluting and blending device and hematology analyzer thereof

Abstract

The utility model relates to the technical field of blood cell analysis, and discloses a blood sample diluting and mixing device and a blood cell analyzer thereof, the blood sample diluting and mixing device comprises a bottom plate, the top of the bottom plate is provided with a plurality of placing grooves which are arranged circumferentially and used for storage, and sample tubes for storing samples are movably placed in the placing grooves; the top plate is arranged at the top of the bottom plate, a lifting rod for lifting is arranged at the top of the bottom plate, and the top plate is fixedly connected to the extension end of the lifting rod; the clamping assemblies are arranged at the top and the bottom of the inner wall of the containing groove, and each clamping assembly internally comprises an elastic ring, an elastic block used for buffering and a magnet; and a stirring assembly. According to the blood sample mixing device, through the arrangement of the clamping assembly and the stirring assembly, a plurality of blood samples can be stirred and mixed uniformly at the same time, the mixing efficiency is improved, and the blood sample mixing convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of blood cell analysis, in particular to a blood sample dilution and mixing device and a blood cell analyzer thereof. Background Art

[0002] A blood cell analyzer, also known as a blood cell analysis instrument, a hemacytometer, a blood cell counter, etc., is one of the widely used instruments in hospital clinical examinations. One of the important development directions of blood cell analyzers is to gradually improve their automation degree to improve the accuracy and convenience of their analysis and detection. Common blood cell analyzers generally include a sampling mechanism, a sampling mechanism, a detection mechanism, a sample return mechanism, a data transmission device, etc.

[0003] When the existing mixing equipment is in use, it can generally only mix one bottle of blood sample at a time, and the mixing efficiency is very low, affecting the efficiency of blood sample mixing. Moreover, when installing the reagent tube on the existing mixing equipment, a large number of operations by the staff are required to fix the reagent tube, affecting the convenience of blood sample mixing.

[0004] Therefore, we propose a blood sample dilution and mixing device and a blood cell analyzer thereof. Summary of the Utility Model

[0005] The utility model mainly solves the technical problems of the efficiency and convenience of blood sample mixing, and provides a blood sample dilution and mixing device and a blood cell analyzer thereof.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions. A blood sample dilution and mixing device and a blood cell analyzer thereof include:

[0007] A bottom plate, on the top of which there are a plurality of placement grooves arranged in a circular pattern for storage, and sample tubes for storing samples are movably placed in the placement grooves;

[0008] A top plate, which is arranged on the top of the bottom plate, and a lifting rod for lifting is arranged on the top of the bottom plate, and the top plate is fixedly connected to the extended end of the lifting rod;

[0009] A clamping assembly, which is arranged at the top and bottom positions of the inner wall of the placement groove. The clamping assembly includes an elastic ring, an elastic block for buffering and a magnet;

[0010] A stirring assembly, which is arranged in a circular pattern at the bottom of the top plate. The stirring assembly includes a stirring rod, and a rotating part for driving the stirring rod to rotate is arranged on the stirring assembly. The rotating part includes a servo motor, a first transmission gear and a second transmission gear.

[0011] Further, a plurality of elastic rings arranged in a circular pattern are fixedly connected to the bottom and top of the inner wall of the placement groove. The elastic rings are arc-shaped and are connected end to end to form an annular structure. There is a gap between the elastic rings and the inner wall of the placement groove. A hemispherical fixing groove is formed in the inner wall of the placement groove at the position of the gap. The elastic block is fixedly connected to the inner wall of the fixing groove and is spherical and fits with the elastic ring.

[0012] Further, a plurality of buffer cavities arranged in a circular pattern are formed in the inner wall of the fixing groove. Two magnets are arranged on the inner wall of the buffer cavity. One of the magnets is fixedly connected to the inner wall of the buffer cavity away from the fixing groove, and the other magnet is slidably connected to the inner wall of the buffer cavity. The opposite ends of the two magnets have the same magnetic poles.

[0013] Further, the fixed end of the lifting rod is fixedly connected to the axial position at the top of the bottom plate through a hydraulic press, and the extending end of the lifting rod is fixedly connected to the axial position at the bottom of the top plate.

[0014] Further, the servo motor is fixedly connected to the axial position at the top of the top plate through a motor bracket. A rotating shaft is arranged at the output end of the servo motor. The first transmission gear is fixedly connected to the axial position at the bottom of the rotating shaft.

[0015] Further, a plurality of rotating grooves arranged in a circular pattern are formed in the bottom of the top plate. The second transmission gear is rotatably connected to the inner wall of the rotating groove and meshes with the outer wall of the first transmission gear. The stirring rod is fixedly connected to the axial position at the bottom end of the second transmission gear.

[0016] Further, a guiding ring is fixedly connected to the bottom of the outer wall of the stirring rod. The guiding ring is spiral and has an inclined upper end in cross section.

[0017] A blood cell analyzer includes all of the above-described blood sample dilution and mixing devices.

[0018] Beneficial effects

[0019] The present utility model provides a blood sample dilution and mixing device and its blood cell analyzer. It has the following

[0020] Beneficial effects:

[0021] (1). For the blood sample dilution and mixing device and its blood cell analyzer, through the arranged clamping assembly and stirring assembly, multiple blood samples can be stirred and mixed simultaneously, improving the mixing efficiency. And the sample tube 2 can be fixed only by inserting it and fitting it through the deformation of the elastic ring 7, improving the portability of fixing the sample tube 2. Only by using the servo motor 4 can multiple stirring rods 5 be driven to rotate, improving the convenience of stirring, and then improving the convenience of mixing the blood sample.

[0022] (2) The blood sample dilution and mixing device and its blood cell analyzer can buffer the stress when the sample tube 2 shakes through the elastic block 8 and magnet 10 provided, maintain the stability of the sample tube 2, and prevent the sample tube 2 from tilting and contacting the stirring rod 5, and prevent the stirring rod 5 from rotating and damaging the sample tube 2 when it impacts the sample tube 2.

[0023] (3) The blood sample dilution and mixing device and its blood cell analyzer can, through the guiding ring 14 provided, with the spiral design of the guiding ring 14 and the cross-section being inclined at the upper end, enable the blood sample to climb along the spiral through the upper inclined surface when stirring the blood sample, preventing the blood sample from stratifying under the inertia of stirring and affecting the mixing effect. Description of the Drawings

[0024] Figure 1 is the front view of the present utility model;

[0025] Figure 2 is the cross-sectional view at the bottom plate of the present utility model;

[0026] Figure 3 is the present utility model Figure 2 magnified view of part A;

[0027] Figure 4 is the cross-sectional view at the top plate of the present utility model;

[0028] Figure 5 is the detailed view of the stirring rod in the second embodiment of the present utility model.

[0029] Legend: 1. Bottom plate; 2. Sample tube; 3. Top plate; 4. Servo motor; 5. Stirring rod; 6. Placing groove; 7. Elastic ring; 8. Elastic block; 9. Buffer cavity; 10. Magnet; 11. Lifting rod; 12. First transmission gear; 13. Second transmission gear; 14. Guiding ring. Detailed Implementation Modes

[0030] Embodiment 1: A blood sample dilution and mixing device and its blood cell analyzer, as Figure 1 、 Figure 2 and Figure 4 shown, include

[0031] a bottom plate 1, on the top of the bottom plate 1, a plurality of placing grooves 6 arranged in a circular pattern for storage are provided, and a sample tube 2 for storing samples is movably placed in the placing grooves 6;

[0032] a top plate 3, the top plate 3 is arranged on the top of the bottom plate 1, and a lifting rod 11 for lifting is arranged on the top of the bottom plate 1, and the top plate 3 is fixedly connected to the extended end of the lifting rod 11;

[0033] a clamping assembly, the clamping assembly is arranged at the top and bottom positions of the inner wall of the placing groove 6, and the clamping assembly includes an elastic ring 7, an elastic block 8 for buffering and a magnet 10;

[0034] The stirring assembly is arranged in a circular pattern at the bottom of the top plate 3. The stirring assembly includes stirring rods 5, and a rotating part for driving the rotation of the stirring rods 5 is provided on the stirring assembly. The rotating part includes a servo motor 4, a first transmission gear 12, and a second transmission gear 13.

[0035] As Figure 2 and Figure 3 shown, a plurality of elastic rings 7 arranged in a circular pattern are fixedly connected to the bottom and top of the inner wall of the placement groove 6. The elastic rings 7 are arc-shaped and are connected end to end to form an annular structure. There is a gap between the elastic rings 7 and the inner wall of the placement groove 6. Hemispherical fixing grooves are provided in the inner wall of the placement groove 6 at the gap. The elastic blocks 8 are fixedly connected to the inner wall of the fixing grooves and are spherical and fit with the elastic rings 7.

[0036] A plurality of buffer cavities 9 arranged in a circular pattern are provided in the inner wall of the fixing groove. Two magnets 10 are provided on the inner wall of the buffer cavity 9. One of the magnets 10 is fixedly connected to the inner wall of the buffer cavity 9 away from the fixing groove end, and the other magnet 10 is slidably connected to the inner wall of the buffer cavity 9. The opposite ends of the two magnets 10 have the same magnetic poles.

[0037] By providing the elastic blocks 8 and the magnets 10, the stress during the shaking of the sample tube 2 can be buffered, the stability of the sample tube 2 can be maintained, and the sample tube 2 can be prevented from tilting and contacting the stirring rod 5, and the stirring rod 5 rotates to damage the sample tube 2 by impact.

[0038] As Figure 4 shown, the fixed end of the lifting rod 11 is fixedly connected to the axial position at the top of the bottom plate 1 through a hydraulic press, and the extending end of the lifting rod 11 is fixedly connected to the axial position at the bottom of the top plate 3.

[0039] The servo motor 4 is fixedly connected to the axial position at the top of the top plate 3 through a motor bracket. A rotating shaft is provided at the output end of the servo motor 4. The first transmission gear 12 is fixedly connected to the axial position at the bottom of the rotating shaft.

[0040] A plurality of rotating grooves arranged in a circular pattern are provided at the bottom of the top plate 3. The second transmission gear 13 is rotatably connected to the inner wall of the rotating groove and meshes with the outer wall of the first transmission gear 12. The stirring rod 5 is fixedly connected to the axial position at the bottom end of the second transmission gear 13.

[0041] In summary, by providing the clamping assembly and the stirring assembly, a plurality of blood samples can be stirred and mixed simultaneously, the mixing efficiency can be improved, and the sample tube 2 can be fixed by simply inserting it and fitting it through the deformation of the elastic ring 7, improving the portability of the fixation of the sample tube 2. Only by using the servo motor 4 can a plurality of stirring rods 5 be driven to rotate, improving the convenience of stirring, and then improving the convenience of mixing the blood samples.

[0042] Embodiment 2: Based on Embodiment 1, refer to Figure 5 A guide ring 14 is fixedly connected to the bottom of the outer wall of the stirring rod 5. The guide ring 14 is spiral-shaped and has an inclined upper end in cross section.

[0043] Not shown in the figure: a blood cell analyzer, including the above-mentioned whole blood sample dilution and mixing device, the blood cell analyzer is arranged on one side of the mixing device for analyzing the mixed blood sample in the sample tube 2.

[0044] By setting the guide ring 14, the guide ring 14 has a spiral design and a cross section with an inclined upper end. When the blood sample is stirred, the blood sample can climb up along the spiral shape through the upper inclined surface, thereby preventing the blood sample from being stratified under the inertia of stirring and affecting the mixing effect.

[0045] The working principle of the utility model is as follows: when mixing is required, the sample tube 2 is inserted into the placement groove 6, and the elastic ring 7 can be squeezed to drive the elastic ring 7 to deform and fit the outer wall of the sample tube 2 to fix the sample tube 2. Then, the top plate 3 and the stirring rod 5 thereon are driven to move to a suitable position through the lifting rod 11, and the stirring rod 5 is inserted into the inner wall of the sample tube 2. Then the servo motor 4 is turned on, and the servo motor 4 can drive the first transmission gear 12 to rotate through the rotating shaft, and then drive the second transmission gear 13 meshing thereon and the stirring rod 5 at the bottom to rotate, so as to stir and mix the blood sample in the sample tube 2; when shaking occurs during stirring, the elastic block 8 can be squeezed by the elastic ring 7, and the elastic block 8 can be deformed to enter the buffer chamber 9 to squeeze the magnet 10, driving the two magnets 10 to approach each other, and the stress of shaking is buffered by magnetic force to keep the sample tube 2 stable.

[0046] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A blood sample dilution and mixing device, characterized in that: include: A bottom plate (1), the top of the bottom plate (1) is provided with a plurality of placement grooves (6) arranged in a circumference for storage, and sample tubes (2) for storing samples are movably placed in the placement grooves (6); A top plate (3), the top plate (3) being arranged on the top of the bottom plate (1), and a lifting rod (11) for lifting is arranged on the top of the bottom plate (1), and the top plate (3) is fixedly connected to the extended end of the lifting rod (11); A clamping assembly, the clamping assembly is arranged at the top and bottom of the inner wall of the placement groove (6), and the clamping assembly includes an elastic ring (7), an elastic block (8) for buffering, and a magnet (10); The stirring assembly is arranged in a circle at the bottom of the top plate (3), the stirring assembly includes a stirring rod (5), and a rotating part for driving the stirring rod (5) to rotate is provided on the stirring assembly, and the rotating part includes a servo motor (4), a first transmission gear (12) and a second transmission gear (13).

2. The blood sample dilution and mixing device according to claim 1, characterized in that: A plurality of elastic rings (7) arranged in a circumference are fixedly connected to the bottom and top of the inner wall of the placement groove (6); the elastic rings (7) are arc-shaped and connected end to end to form a ring structure; a gap is left between the elastic rings (7) and the inner wall of the placement groove (6); a hemispherical fixing groove is provided on the inner wall of the placement groove (6) at the gap; and the elastic block (8) is fixedly connected to the inner wall of the fixing groove and is spherically fitted with the elastic ring (7).

3. The blood sample dilution and mixing device according to claim 2, characterized in that: The inner wall of the fixed groove is provided with a plurality of buffer cavities (9) arranged in a circumferential manner, and the inner wall of the buffer cavity (9) is provided with two magnets (10), one of the magnets (10) is fixedly connected to an end of the inner wall of the buffer cavity (9) away from the fixed groove, and the other magnet (10) is slidably connected to the inner wall of the buffer cavity (9), and the two magnets (10) have the same magnetic poles at opposite ends.

4. The blood sample dilution and mixing device according to claim 1, characterized in that: The fixed end of the lifting rod (11) is fixedly connected to the top axial position of the bottom plate (1) through a hydraulic press, and the extended end of the lifting rod (11) is fixedly connected to the bottom axial position of the top plate (3).

5. The blood sample dilution and mixing device according to claim 1, characterized in that: The servo motor (4) is fixedly connected to the top axial position of the top plate (3) via a motor frame, a rotating shaft is provided at the output end of the servo motor (4), and the first transmission gear (12) is fixedly connected to the bottom axial position of the rotating shaft.

6. The blood sample dilution and mixing device according to claim 5, characterized in that: The bottom of the top plate (3) is provided with a plurality of rotating grooves arranged in a circumferential pattern, the second transmission gear (13) is rotatably connected to the inner wall of the rotating groove and meshes with the outer wall of the first transmission gear (12), and the stirring rod (5) is fixedly connected to the axial position of the bottom end of the second transmission gear (13).

7. The blood sample dilution and mixing device according to claim 1, characterized in that: A guide ring (14) is fixedly connected to the bottom of the outer wall of the stirring rod (5); the guide ring (14) is spiral-shaped and has a cross section with an inclined upper end.

8. A blood cell analyzer, characterized in that: Including claims 1- 7. The blood sample dilution and mixing device as described in any one of items 7.

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