Sample separation and extraction device for biochemical detection

Abstract

The utility model discloses a sample separation and extraction device for biochemical inspection, and belongs to the technical field of separation and extraction. Comprising a separation body, a separation groove is formed in one side of the separation body, a taking device is arranged in the separation groove and comprises a partition plate and a motor, two sliding sleeves are embedded in the top of the partition plate, supporting rods are slidably connected to the inner walls of the two sliding sleeves, and the bottoms of the two supporting rods are connected with the same moving plate; a nut is embedded in the moving plate, the inner wall of the nut is in threaded connection with a threaded rod, and one end of the threaded rod is connected with an output shaft of the motor; according to the test tube taking device, the taking device is arranged, a motor drives a threaded rod to rotate, the threaded rod drives a movable plate to move upwards through a nut, then a supporting rod is driven to move upwards, the supporting rod drives a lifting plate to move upwards, the lifting plate drives a test tube to move upwards by a certain distance, and then personnel can take the test tube conveniently; therefore, the use convenience of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of separation and extraction, and in particular relates to a sample separation and extraction device for biochemical testing. Background Art

[0002] The biochemical centrifuge is a separation technology based on mass analysis. Its basic principle is to use the centrifugal force generated by the rotation in the rotary centrifuge to separate the biological molecules of different densities in the sample. According to the rotation method, it can be divided into two types: gravity centrifuge and ultracentrifuge. Ultracentrifuge can also be divided into centrifuge tube type, column type, coreless tube type and flow centrifuge.

[0003] The utility model of Chinese application number: 202222473685.4 discloses a medical laboratory centrifuge, including a centrifuge body and a centrifugal shaft. The centrifugal shaft is arranged inside the centrifuge body, a limit seat is fixed on the top of the centrifugal shaft, a mounting seat is fixed on the top of the limit seat, a threaded rod is fixed inside the mounting seat, a circular ring is slidably connected inside the mounting seat, and the circular ring is sleeved on the outer wall of the threaded rod, four evenly distributed groove frames are fixed on the bottom outer edge of the circular ring, the groove frame is slidably connected with a latch through an internal sliding groove, a knob sleeve is threadedly connected to the outer wall of the upper end of the threaded rod, and a disk is installed on the outer wall of the mounting seat. However, in actual use, since the test tube is placed in the fixed groove and fits tightly, it is inconvenient to take it out. Utility Model Content

[0004] The utility model aims to solve the problem of inconvenience in taking test tubes and proposes a sample separation and extraction device for biochemical testing.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sample separation and extraction device for biochemical testing, comprising a separation body, a separation groove is opened on one side of the separation body, and a picking device is arranged in the separation groove, the picking device comprises a partition and a motor, two sliding sleeves are embedded in the top of the partition, and the inner walls of the two sliding sleeves are slidably connected to support rods, and the bottoms of the two support rods are connected to the same movable plate, a nut is embedded in the movable plate, and a threaded rod is threadedly connected to the inner wall of the nut, and one end of the threaded rod is connected to the output shaft of the motor.

[0006] As a further description of the above technical solution:

[0007] The outer wall of the partition is connected to the inner wall of the separation tank, and the bottom of the motor is fixedly installed with the bottom of the inner wall of the separation tank. A bearing is embedded in the bottom of the partition, and the inner wall of the bearing is rotatably connected to a rotating shaft, and one end of the rotating shaft is connected to one end of the threaded rod.

[0008] As a further description of the above technical solution:

[0009] The top of the partition is connected to a driving component, and the output end of the driving component is connected to a rotating rod, the outer wall of the rotating rod is connected to a plurality of connecting rods, one end of the connecting rod is connected to a fixed sleeve, and the inner wall of the fixed sleeve is slidably connected to a test tube.

[0010] As a further description of the above technical solution:

[0011] An embedding groove is provided on one side of the inner wall of the fixed sleeve, and a sliding groove is provided on one side of the inner wall of the embedding groove, and one side of the sliding groove extends into the connecting rod, the inner wall of the sliding groove is slidably connected to a sliding rod, one end of the sliding rod is connected to an extrusion block, the other end of the sliding rod is provided with a fixing groove, and the inner wall of the fixing groove is slidably connected to a fixing rod, the outer wall of the fixing rod is sleeved with a spring, and the two ends of the spring are respectively connected to one side of the inner wall of the sliding groove and one end of the sliding rod.

[0012] As a further description of the above technical solution:

[0013] The inner wall of the sliding groove is provided with two limiting grooves, and a limiting block is slidably connected in the limiting groove, one side of the limiting block is connected to the outer wall of the sliding rod, and a soft rubber pad is provided on one side of the extrusion block.

[0014] As a further description of the above technical solution:

[0015] And a same lifting plate is fitted on the top of the two support rods, a through groove is provided in the lifting plate, two slide grooves are provided on the inner wall of the through groove, and a plurality of placement grooves are provided on the top of the lifting plate, the inner wall of the placement groove fits with the bottom of the test tube, the inner wall of the through groove is slidably connected to the outer wall of the rotating rod, and two sliders are connected to the outer wall of the rotating rod, and the outer wall of the slider is slidably connected to the inner wall of the slide groove.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0017] 1. In the utility model, a picking device is provided, and a motor is used to drive the threaded rod to rotate, and the threaded rod drives the moving plate to move up through a nut, thereby driving the support rod to move up, so that the support rod drives the lifting plate to move up, and the lifting plate drives the test tube to move up, so that the test tube moves upward for a distance, and then it is convenient for personnel to take it, thereby improving the convenience of using the device.

[0018] 2. In the utility model, a squeezing block is provided, and the squeezing block is squeezed by the test tube, so that the squeezing block moves inward and squeezes the spring through the sliding rod. When the test tube is placed in place, the sliding rod is driven to move in the opposite direction by the rebound of the spring, thereby driving the squeezing block to squeeze the outer wall of the test tube, thereby fixing the test tube and improving the stability of the test tube during rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1This is a three-dimensional structural schematic diagram of a sample separation and extraction device for biochemical testing proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of a rotating rod of a sample separation and extraction device for biochemical testing proposed by the utility model;

[0021] Figure 3 This is a schematic cross-sectional structure diagram of a fixed sleeve of a sample separation and extraction device for biochemical testing proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the lifting plate structure of a sample separation and extraction device for biochemical testing proposed by the utility model;

[0023] Figure 5 The utility model is a schematic diagram of the structure of a taking device of a sample separation and extraction device for biochemical testing.

[0024] Legend: 1. Separation body; 2. Rotating rod; 3. Connecting rod; 4. Sliding block; 5. Driving component; 6. Fixed sleeve; 7. Test tube; 8. Pick-up device; 801. Support rod; 802. Threaded rod; 803. Partition plate; 804. Moving plate; 805. Motor; 9. Limiting groove; 10. Sliding groove; 11. Fixed rod; 12. Spring; 13. Limiting block; 14. Extrusion block; 15. Sliding rod; 16. Embedding groove; 17. Lifting plate; 18. Placement groove; 19. Sliding groove; 20. Through groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1 - Figure 5The utility model provides a technical solution: a sample separation and extraction device for biochemical testing, comprising a separation body 1, a separation groove is provided on one side of the separation body 1, and a picking device 8 is provided in the separation groove, the picking device 8 comprises a partition 803 and a motor 805, two sliding sleeves are embedded in the top of the partition 803, and the inner walls of the two sliding sleeves are slidably connected with support rods 801, and the bottoms of the two support rods 801 are connected to the same moving plate 804, a nut is embedded in the moving plate 804, and a threaded rod 802 is threadedly connected to the inner wall of the nut, one end of the threaded rod 802 is connected to the output shaft of the motor 805, the outer wall of the partition 803 is connected to the inner wall of the separation groove, and the bottom of the motor 805 is fixedly installed to the bottom of the inner wall of the separation groove, a bearing is embedded in the bottom of the partition 803, and a rotating shaft is rotatably connected to the inner wall of the bearing, and one end of the rotating shaft is connected to one end of the threaded rod 802.

[0027] In a specific embodiment, by providing a double support rod 801, the lifting of the lifting plate 17 is made more stable, and the lifting plate 17 is prevented from being stuck due to left and right deviation, which affects the normal operation of the device.

[0028] A driving component 5 is connected to the top of the partition 803, and the output end of the driving component 5 is connected to a rotating rod 2, a plurality of connecting rods 3 are connected to the outer wall of the rotating rod 2, one end of the connecting rod 3 is connected to a fixed sleeve 6, the inner wall of the fixed sleeve 6 is slidably connected to a test tube 7, an embedding groove 16 is provided on one side of the inner wall of the fixed sleeve 6, and a sliding groove 10 is provided on one side of the inner wall of the embedding groove 16, and one side of the sliding groove 10 extends into the connecting rod 3, a sliding rod 15 is slidably connected to the inner wall of the sliding groove 10, one end of the sliding rod 15 is connected to an extrusion block 14, a fixed groove is provided on the other end of the sliding rod 15, and a fixed rod 11 is slidably connected to the inner wall of the fixed groove, a spring 12 is provided on the outer wall of the fixed rod 11, and both ends of the spring 12 are respectively connected to the sliding groove 10 one side of the inner wall and one end of the sliding rod 15, the inner wall of the sliding groove 10 is provided with two limit grooves 9, and the limit groove 9 is slidably connected with a limit block 13, one side of the limit block 13 is connected to the outer wall of the sliding rod 15, and a soft rubber pad is provided on one side of the extrusion block 14, and the top of the two support rods 801 is fitted with the same lifting plate 17, a through groove 20 is provided in the lifting plate 17, two slide grooves 19 are provided on the inner wall of the through groove 20, and a plurality of placement grooves 18 are provided on the top of the lifting plate 17, the inner wall of the placement groove 18 is fitted with the bottom of the test tube 7, the inner wall of the through groove 20 is slidably connected to the outer wall of the rotating rod 2, and the outer wall of the rotating rod 2 is connected to two sliders 4, and the outer wall of the slider 4 is slidably connected to the inner wall of the slide groove 19.

[0029] In a specific implementation manner, a fixing rod 11 is provided to prevent the spring 12 from bending when the spring 12 is squeezed, thereby ensuring the rebound effect of the spring 12. A soft rubber pad is provided on one side of the squeezing block 14 to prevent one side of the squeezing block 14 from contacting the outer wall of the construction. The soft rubber pad provides a buffer to prevent the squeezing block 14 from damaging the outer wall of the test tube 7, thereby reducing the service life of the test tube 7.

[0030] Working principle: When in use, the test tube 7 containing the reagent is placed in the fixed sleeve 6, and the squeezing block 14 is squeezed by the bottom of the test tube 7, so that the squeezing block 14 moves inward, thereby driving the sliding rod 15 to move inward. When the sliding rod 15 moves, it squeezes the spring 12, so that the spring 12 produces a rebound force. When the test tube 7 is placed in place, the rebound of the spring 12 causes the sliding rod to drive one side of the squeezing block 14 to squeeze the test tube 7, thereby fixing the test tube 7 to prevent the test tube 7 from falling due to contact. When the experiment is completed, the threaded rod 802 is driven to rotate by the motor 805, so that the threaded rod 802 drives the moving plate 804 to move up through the nut, and then drives the support rod 801 to move up, so that the support rod 801 drives the test tube 7 to move up through the lifting plate 17, so that it is convenient for people to take it.

[0031] In this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances;

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sample separation and extraction device for biochemical testing, comprising a separation body (1), characterized in that: A separation groove is provided on one side of the separation body (1), and a picking device (8) is provided in the separation groove, the picking device (8) comprising a partition (803) and a motor (805), two sliding sleeves are embedded in the top of the partition (803), and the inner walls of the two sliding sleeves are slidably connected to support rods (801), and the bottoms of the two support rods (801) are connected to the same moving plate (804), a nut is embedded in the moving plate (804), and the inner wall of the nut is threadedly connected to a threaded rod (802), and one end of the threaded rod (802) is connected to the output shaft of the motor (805).

2. A biochemical test sample separation and extraction device according to claim 1, characterized in that: The outer wall of the partition (803) is connected to the inner wall of the separation tank, and the bottom of the motor (805) is fixedly installed to the bottom of the inner wall of the separation tank. A bearing is embedded in the bottom of the partition (803), and a rotating shaft is rotatably connected to the inner wall of the bearing, and one end of the rotating shaft is connected to one end of the threaded rod (802).

3. A biochemical test sample separation and extraction device according to claim 1, characterized in that: The top of the partition (803) is connected to a driving component (5), and the output end of the driving component (5) is connected to a rotating rod (2). The outer wall of the rotating rod (2) is connected to a plurality of connecting rods (3). One end of the connecting rod (3) is connected to a fixing sleeve (6). The inner wall of the fixing sleeve (6) is slidably connected to a test tube (7).

4. A biochemical test sample separation and extraction device according to claim 3, characterized in that: An embedding groove (16) is provided on one side of the inner wall of the fixing sleeve (6), and a sliding groove (10) is provided on one side of the inner wall of the embedding groove (16), and one side of the sliding groove (10) extends into the connecting rod (3); a sliding rod (15) is slidably connected to the inner wall of the sliding groove (10), one end of the sliding rod (15) is connected to an extrusion block (14), and a fixing groove is provided on the other end of the sliding rod (15), and a fixing rod (11) is slidably connected to the inner wall of the fixing groove; a spring (12) is provided on the outer wall of the fixing rod (11), and two ends of the spring (12) are respectively connected to one side of the inner wall of the sliding groove (10) and one end of the sliding rod (15).

5. A biochemical test sample separation and extraction device according to claim 4, characterized in that: The inner wall of the sliding groove (10) is provided with two limit grooves (9), and a limit block (13) is slidably connected in the limit groove (9), one side of the limit block (13) is connected to the outer wall of the sliding rod (15), and a soft rubber pad is provided on one side of the extrusion block (14).

6. A biochemical test sample separation and extraction device according to claim 3, characterized in that: The tops of the two support rods (801) are fitted with a same lifting plate (17), a through groove (20) is provided in the lifting plate (17), the inner wall of the through groove (20) is provided with two slide grooves (19), and a plurality of placement grooves (18) are provided on the top of the lifting plate (17), the inner wall of the placement groove (18) is fitted with the bottom of the test tube (7), the inner wall of the through groove (20) is slidably connected to the outer wall of the rotating rod (2), the outer wall of the rotating rod (2) is connected to two slide blocks (4), and the outer wall of the slide block (4) is slidably connected to the inner wall of the slide groove (19).

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