Sample mixing device for a viral sampling tube

Abstract

This utility model relates to the field of laboratory medical device technology, specifically a sample mixing device for virus sampling tubes. It includes a support base, a support plate fixedly connected to one side of the support base, a drive assembly mounted on the support plate, a turntable fixedly connected to the output end of the drive assembly, a drive shaft fixedly connected to the turntable, multiple rotating shafts rotatably connected to both sides of the support base, and a common connecting frame fixedly connected between opposite rotating shafts. The connecting frame has multiple positioning holes. Connecting rods are fixedly connected to multiple rotating shafts located on one side of the support base, with one end of each connecting rod rotatably connected to a common crossbar. A swing arm is fixedly connected to one of the rotating shafts, and the swing arm has a through groove. The drive shaft extends into the through groove and is slidably connected to the swing arm. A fixing structure is provided on the connecting frame. This device enables batch and efficient uniform mixing of virus sampling tubes, thereby ensuring mixing effect and improving mixing efficiency.

Description

Technical Field

[0001] The utility model relates to a sample mixing device, in particular to a sample mixing device for virus sampling tubes, and belongs to the technical field of laboratory medical instruments. Background Art

[0002] In the process of virus detection, it is necessary to fully mix the samples (such as throat swabs and nasal swabs) in the virus sampling tube with the preservation solution, so as to ensure that the cells or virus particles on the swabs are completely eluted into the liquid, thereby ensuring the efficiency of subsequent nucleic acid extraction and the accuracy of detection results.

[0003] At present, the commonly used mixing method in laboratories is that operators hold the sampling tubes by hand and shake them by wrist force. This method has low efficiency and high labor intensity, and it is difficult to ensure the mixing uniformity of each sample when processing a large number of samples, with the risk of false negatives caused by insufficient mixing. Utility Model Content

[0004] The purpose of the utility model is to provide a sample mixing device for virus sampling tubes to solve the above problems, which can uniformly mix virus sampling tubes in batches and efficiently, thereby ensuring the mixing effect and improving the mixing efficiency.

[0005] The utility model achieves the above purpose through the following technical solution. A sample mixing device for virus sampling tubes comprises a support base, wherein a shaking structure is arranged on the support base, the shaking structure comprises a support plate and a driving assembly, one side of the support base is fixedly connected with the support plate, the driving assembly is mounted on the support plate, the output end of the driving assembly is fixedly connected with a turntable, a driving shaft is fixedly connected to the turntable, a plurality of rotating shafts are rotatably connected to both sides of the support base, the same connecting frame is fixedly connected between two opposite rotating shafts, a plurality of positioning holes are arranged on the connecting frame, connecting rods are fixedly connected to the plurality of rotating shafts located on one side of the support base, one ends of the plurality of connecting rods are rotatably connected to the same cross bar, a swing rod is fixedly connected to one of the rotating shafts, a through groove is arranged on the swing rod, the driving shaft extends into the through groove and is in sliding connection with the swing rod, and a fixing structure is arranged on the connecting frame.

[0006] Preferably, the plurality of rotating shafts located on the same side of the support plate are linearly and equidistantly distributed, and the overall cross section of the connecting frame is in a "C" shape structure.

[0007] Preferably, the diameter of the cross section of the driving shaft is equal to the width of the through groove, and the driving shaft deviates from the center of the turntable.

[0008] Preferably, the plurality of connecting rods are parallel to each other, and the cross bar is parallel to the connecting line of the axes of the plurality of rotating shafts on one side.

[0009] Preferably, the fixing structure includes a connecting column and a positioning block. The connecting column is fixedly connected to the connecting frame. A pressure plate is movably connected to the outside of the connecting column. A knob is threadedly connected to the outside of the connecting column. The bottom side of the pressure plate abuts against multiple sampling tubes, and the top side of the pressure plate abuts against the knob.

[0010] Preferably, the outer side of the connecting column has two positioning blocks integrally formed, and the pressure plate has two slots, with the positioning blocks engaging with the adjacent slots.

[0011] Preferably, the cross-section of the top of the connecting column is trapezoidal, and the cross-section of the top of the positioning block is trapezoidal.

[0012] Preferably, the outer side of the knob is integrally formed with multiple protrusions, and the multiple protrusions are distributed in a circumferential array about the center of the knob.

[0013] The beneficial effects of this utility model are as follows: by setting multiple connecting frames, each of which can accommodate multiple sampling tubes, the synchronous mixing of batch samples is realized, which greatly improves the pretreatment efficiency. Moreover, all connecting frames swing synchronously and with the same amplitude through a linkage mechanism, ensuring that all samples are mixed under the same motion parameters, resulting in uniform and reliable results. Through the fixed structure, the sampling tubes can be firmly pressed onto the connecting frames, preventing the test tubes from falling off, colliding, or causing aerosol leakage during the oscillation process, thus improving operational safety. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the connection structure between the connecting rod and the crossbar of this utility model; Figure 3 for Figure 2 The diagram shown is an enlarged view of the structure of part A. Figure 4 This is a schematic diagram of the connection structure between the connecting frame and the positioning hole of this utility model; Figure 5 for Figure 4 The diagram shows an enlarged view of section B.

[0015] In the diagram: 1. Support base; 2. Rocking structure; 201. Support plate; 202. Drive assembly; 203. Turntable; 204. Drive shaft; 205. Through slot; 206. Rocker arm; 207. Rotating shaft; 208. Connecting frame; 209. Positioning hole; 210. Connecting rod; 211. Crossbar; 3. Fixing structure; 301. Connecting column; 302. Positioning block; 303. Pressure plate; 304. Knob; 305. Protrusion; 306. Slot. Detailed Implementation

[0016] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0017] Please refer to Figures 1-5 As shown in the figure, a sample mixing device for a virus sampling tube includes a support base 1, and a shaking structure 2 is arranged on the support base 1. The shaking structure 2 includes a support plate 201 and a driving assembly 202. One side of the support base 1 is fixedly connected with the support plate 201, the driving assembly 202 is mounted on the support plate 201, the output end of the driving assembly 202 is fixedly connected with a turntable 203, and a driving shaft 204 is fixedly connected to the turntable 203. A plurality of rotating shafts 207 are rotatably connected to both sides of the support base 1, the same connecting frame 208 is fixedly connected between two opposite rotating shafts 207, a plurality of positioning holes 209 are arranged on the connecting frame 208, a connecting rod 210 is fixedly connected to each of the plurality of rotating shafts 207 located on one side of the support base 1, one ends of the plurality of connecting rods 210 are rotatably connected to the same cross rod 211, a swing rod 206 is fixedly connected to one of the rotating shafts 207, a through groove 205 is arranged on the swing rod 206, the driving shaft 204 extends into the interior of the through groove 205 and is in sliding connection with the swing rod 206, and a fixing structure 3 is arranged on the connecting frame 208.

[0018] As a technical optimization solution of the present utility model, the plurality of rotating shafts 207 located on the same side of the support plate 201 are linearly and equidistantly distributed, and the overall section of the connecting frame 208 is in a "C"-shaped structure, so that the state inside the sampling tube can be conveniently observed.

[0019] As a technical optimization solution of the present utility model, the diameter of the cross section of the driving shaft 204 is equal to the width of the through groove 205, so that precise transmission can be realized. The driving shaft 204 is offset from the center of the turntable 203, so that when the turntable 203 rotates in one direction, the swing rod 206 can be driven to swing back and forth through the driving shaft 204.

[0020] As a technical optimization solution of the present utility model, the plurality of connecting rods 210 are parallel to each other, and the cross rod 211 is parallel to the connecting line of the axes of the plurality of rotating shafts 207 on one side, so that a parallelogram structure can be formed, thereby enabling the plurality of rotating shafts 207 to rotate synchronously when one rotating shaft 207 rotates.

[0021] As a technical optimization of this utility model, the fixing structure 3 includes a connecting column 301 and a positioning block 302. The connecting column 301 is fixedly connected to the connecting frame 208. A pressure plate 303 is movably connected to the outside of the connecting column 301. A knob 304 is threadedly connected to the outside of the connecting column 301. The bottom side of the pressure plate 303 abuts against multiple sampling tubes, and the top side of the pressure plate 303 abuts against the knob 304. Therefore, the sampling tubes can be fixed by the pressure plate 303 abutting against one side of multiple sampling tubes, preventing the sampling tubes from detaching from the connecting frame 208 during the swinging process.

[0022] As a technical optimization of this utility model, two positioning blocks 302 are integrally formed on the outer side of the connecting column 301, and two slots 306 are provided on the pressure plate 303. The positioning blocks 302 engage with the adjacent slots 306, so that the pressure plate 303 can be positioned so that the pressure plate 303 can block one end of multiple sampling tubes.

[0023] As a technical optimization of this utility model, the cross-section of the top of the connecting post 301 is trapezoidal, so it can play a role in guiding the movement when the knob 304 is inserted into the connecting post 301. The cross-section of the top of the positioning block 302 is trapezoidal, so it can play a role in guiding the movement when the positioning block 302 and the slot 306 are engaged.

[0024] As a technical optimization of this utility model, the outer side of the knob 304 is integrally formed with multiple protrusions 305. The multiple protrusions 305 are distributed in a circumferential array about the center of the knob 304, thus avoiding the phenomenon of hand slippage when rotating the knob 304.

[0025] In use, when it is necessary to fully mix the sample and preservation solution inside the sampling tube, multiple sampling tubes can be inserted into the connecting frame 208 through the positioning holes 209. When all the positioning holes 209 are filled with sampling tubes, the pressure plate 303 can be moved so that the connecting post 301 passes through the pressure plate 303. During the process of the connecting post 301 passing through the pressure plate 303, the positioning block 302 can engage with the slot 306, thereby positioning the pressure plate 303 and preventing it from deviating from the top of the sampling tube. Then, the knob 304 can be placed on the connecting post 301 and rotated so that its bottom end is pressed against the pressure plate 303. At this time, the pressure plate 303 will press multiple sampling tubes against the connecting frame 208, thereby fixing multiple sampling tubes. After all the connecting frames 208 are filled with sampling tubes and fixed, the drive assembly 202 (preferably a motor) can be activated. The rotation of the output shaft of 2 drives the turntable 203 to rotate, which in turn drives the drive shaft 204 to move. During the rotation, the drive shaft 204 slides back and forth inside the through groove 205, causing the swing arm 206 to swing back and forth. The swing arm 206 swings back and forth, which drives one of the rotating shafts 207 to rotate. Since each rotating shaft 207 is fixedly connected to a connecting rod 210, and the ends of multiple connecting rods 210 are rotatably connected to the same crossbar 211, when one rotating shaft 207 rotates back and forth, all rotating shafts 207 will rotate back and forth, causing multiple sampling tubes to swing back and forth with the connecting frame 208. During the back and forth swing of multiple sampling tubes, the samples and preservation liquid inside can be fully mixed. Since multiple sampling tubes can be automatically shaken and mixed at one time, the mixing efficiency can be improved, and the mixing effect can be guaranteed, avoiding the situation of insufficient mixing caused by manual shaking.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A sample mixing device for a viral sampling tube comprising a support seat (1), characterized in that: The support base (1) is provided with a shaking structure (2), the shaking structure (2) comprises a support plate (201) and a drive assembly (202), one side of the support base (1) is fixedly connected with the support plate (201), the drive assembly (202) is mounted on the support plate (201), the output end of the drive assembly (202) is fixedly connected with a turntable (203), the turntable (203) is fixedly connected with a drive shaft (204), both sides of the support base (1) are rotatably connected with a plurality of rotating shafts (207), the same connecting frame (208) is fixedly connected between two opposite rotating shafts (207), the connecting frame (208) is provided with a plurality of positioning holes (209), a plurality of rotating shafts (207) located on one side of the support base (1) are each fixedly connected with a connecting rod (210), one end of the plurality of connecting rods (210) is rotatably connected to the same cross bar (211), one of the rotating shafts (207) is fixedly connected with a swing rod (206), the swing rod (206) is provided with a through groove (205), the drive shaft (204) extends into the interior of the through groove (205) and is in sliding connection with the swing rod (206), and the connecting frame (208) is provided with a fixing structure (3).

2. The sample mixing device of a viral sampling tube according to claim 1, wherein: The plurality of rotating shafts (207) located on the same side of the support plate (201) are linearly and equidistantly distributed, and the overall cross section of the connecting frame (208) is in a "C" shape structure.

3. The sample mixing device of claim 1, wherein: The diameter of the cross section of the drive shaft (204) is equal to the width of the through groove (205), and the drive shaft (204) is offset from the center of the turntable (203).

4. The sample mixing device of claim 1, wherein: The plurality of connecting rods (210) are parallel to each other, and the cross bar (211) is parallel to the connecting line of the axes of the plurality of rotating shafts (207) on one side.

5. The sample mixing device of claim 1, wherein: The fixing structure (3) comprises a connecting column (301) and a positioning block (302), the connecting frame (208) is fixedly connected with the connecting column (301), the outer side of the connecting column (301) is movably connected with a pressing plate (303), the outer side of the connecting column (301) is in threaded connection with a knob (304), the bottom side of the pressing plate (303) abuts against a plurality of sampling tubes, and the top side of the pressing plate (303) abuts against the knob (304).

6. The sample mixing device of a viral sampling tube of claim 5, wherein: Two positioning blocks (302) are integrally formed on the outer side of the connecting column (301), the pressing plate (303) is provided with two clamping grooves (306), and the positioning blocks (302) are engaged with the adjacent clamping grooves (306).

7. The sample mixing device of a viral sampling tube of claim 6, wherein: The cross section of the top end of the connecting column (301) is in a trapezoidal structure, and the cross section of the top end of the positioning block (302) is in a trapezoidal structure.

8. The sample mixing device of claim 5, wherein: A plurality of protruding blocks (305) are integrally formed on the outer side of the knob (304), and the plurality of protruding blocks (305) are distributed in a circumferential array around the center of the knob (304).

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