Centrifuge tube blood sample thawing device

Abstract

The utility model discloses a centrifuge tube blood sample unfreezing device which comprises a water bath pool and a top plate, a top sliding groove is formed in the top face of the water bath pool, a sliding block is connected in the top sliding groove in a sliding mode, the top plate is fixedly installed on the top face of the sliding block, an inserting hole is formed in the top face of the top plate, and an inner ring pad is fixedly installed in the inserting hole. A fixing plate is fixedly installed in the top sliding groove and connected with the sliding block through a spring, teeth are arranged on the outer edge of the top plate, a lifting plate is arranged in the water bath pool, and a heating rod is fixedly installed on the top face of the lifting plate. The unfreezing device has the beneficial effects that uniform unfreezing operation can be completed by adopting a single driving motor, the structure is simpler, the use is more convenient, the manufacturing cost is lower, meanwhile, the small-angle periodic reciprocating swing of the blood sample centrifugal tube also plays a role in stirring water, the uniformity of water heat distribution is improved, the uniformity of water bath unfreezing is further improved, and the unfreezing efficiency is improved. And the working efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of instrument and equipment technology, specifically to a centrifuge tube blood sample thawing device. Background Technology

[0002] In medical testing, blood samples often need to be centrifuged to obtain plasma or serum before further testing can be performed. To prevent hemolysis of the obtained plasma or serum samples, they are often transferred to centrifuge tubes for storage. Depending on the requirements of different clinical tests, plasma or serum samples in centrifuge tubes are often frozen at -20°C or -80°C. Therefore, in chemical analysis and medical testing, frozen plasma or serum samples need to be thawed for further experimental testing.

[0003] After searching, it was found that application number CN202320414446.3, entitled "A Blood Sample Thawing Device for Centrifuge Tubes," proposed a utility model with patent application number 202120568056.2. However, this model suffers from problems such as uneven temperature distribution within the centrifuge tubes during the thawing process, leading to sedimentation of blood samples during prolonged thawing and temperature control, thus affecting the reliability of experimental results. While it uses multiple voice coil motors for micro-vibration to achieve uniform thawing and prevent sedimentation, the structure of multiple voice coil motors is complex and costly. Furthermore, the motors are difficult to coordinate, and fixing them with pressure plates is cumbersome. Further improvements are needed.

[0004] There are currently no effective solutions to the problems in the relevant technologies. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this invention provides a centrifuge tube blood sample thawing device, which has the advantages of simple structure and convenient use, thereby solving the problems mentioned in the background technology.

[0007] (II) Technical Solution

[0008] To achieve the advantages of simple structure and ease of use mentioned above, the specific technical solution adopted by this utility model is as follows:

[0009] A centrifuge tube blood sample thawing device includes a water bath and a top plate. The top surface of the water bath has a top sliding groove, and a slider is slidably connected inside the top sliding groove. A top plate is fixedly installed on the top surface of the slider. The top surface of the top plate has an insertion hole, and an inner ring gasket is fixedly installed inside the insertion hole. A fixing plate is fixedly installed inside the top sliding groove, and the fixing plate is connected to the slider by a spring. The outer edge of the top plate has teeth. A lifting plate is provided inside the water bath, and a heating rod is fixedly installed on the top surface of the lifting plate. A drive motor is fixedly installed on the outer surface of the water bath. A half gear is installed at the output end of the drive motor, and the half gear meshes with the teeth.

[0010] Furthermore, a sealing ring is fixedly bonded to the edge of the lifting plate, and the edge of the sealing ring slides against the inner wall of the water bath. An electric cylinder is fixedly installed on the bottom surface of the water bath, and the top surface of the moving rod of the electric cylinder is fixedly connected to the bottom surface of the lifting plate.

[0011] Furthermore, the two ends of the spring are fixedly connected to the slider and the fixed plate respectively, and multiple sets of sliders are distributed at equal angles along the central axis of the water bath.

[0012] Furthermore, the heating rods are arranged in multiple sets, and the heating rods are constant temperature electric heating rods.

[0013] Furthermore, the bottom of the water bath is equipped with support legs, and the height of the support legs is greater than the height of the electric cylinder body.

[0014] Furthermore, the insertion holes are evenly distributed in multiple sets.

[0015] Furthermore, the inner diameter of the inner ring pad is smaller than the outer diameter of the blood sample centrifuge tube, and the diameter of the top opening of the inner ring pad is larger than the outer diameter of the blood sample centrifuge tube.

[0016] Furthermore, both the slider and the top groove have a convex cross-section, and the inner wall of the top groove is polished.

[0017] (III) Beneficial Effects

[0018] Compared with the prior art, this utility model provides a centrifuge tube blood sample thawing device, which has the following beneficial effects:

[0019] (1) This utility model employs a top plate, teeth, spring, and half gear. When thawing centrifuge tubes, the blood sample centrifuge tube can be inserted into the inner ring pad, the inner diameter of which is smaller than the outer diameter of the blood sample centrifuge tube. The blood sample centrifuge tube is squeezed and deformed to tighten it. The blood sample centrifuge tube is then inserted into a water bath. The heating rod heats the water in the water bath, and thawing is achieved through the water bath. During the heating and thawing process, the drive motor drives the half gear to rotate, periodically meshing with the teeth, causing the top plate and slider to rotate at a small angle, which in turn compresses the spring to generate elastic potential energy. When the half gear disengages from the teeth... Once engaged, the spring rebounds, causing the slider and top plate to rotate in opposite directions to reset. This results in a small-angle periodic reciprocating oscillation between the top plate and the blood sample centrifuge tube, creating a slight shaking inside the centrifuge tube and improving the uniformity of thawing. This device uses a single drive motor to complete the uniform thawing operation, making the structure simpler, easier to use, and lower in cost. Furthermore, the small-angle periodic reciprocating oscillation of the blood sample centrifuge tube also stirs the water, improving the uniformity of heat distribution and further enhancing the uniformity of water bath thawing, thus increasing work efficiency.

[0020] (2) This utility model adopts a lifting plate and a sealing ring. The outer edge of the sealing ring slides against the inner wall of the water bath. When the liquid level in the water bath is low, the staff can start the electric cylinder to push the lifting plate up, thereby pushing the water above the lifting plate up to better cover the outer wall of the blood sample centrifuge tube, saving the trouble of frequent water injection and improving the convenience of use. At the same time, the inner ring gasket squeezes and fixes, making it easier for staff to install and remove the blood sample centrifuge tube, further improving the convenience of use. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the structure of a centrifuge tube blood sample thawing device proposed in this utility model;

[0023] Figure 2 This is a top view of a centrifuge tube blood sample thawing device proposed in this utility model;

[0024] Figure 3 This is a schematic diagram of the installation of the slider proposed in this utility model;

[0025] Figure 4 This is a schematic diagram of the lifting plate proposed in this utility model.

[0026] In the picture:

[0027] 1. Water bath; 2. Top plate; 3. Insertion hole; 4. Inner ring gasket; 5. Tooth; 6. Top slide groove; 7. Slider; 8. Drive motor; 9. Half gear; 10. Lifting plate; 11. Sealing ring; 12. Support leg; 13. Heating rod; 14. Electric cylinder; 15. Fixing plate; 16. Spring. Detailed Implementation

[0028] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0029] According to an embodiment of the present invention, a centrifuge tube blood sample thawing device is provided.

[0030] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figure 1-4As shown, a centrifuge tube blood sample thawing device according to an embodiment of the present invention includes a water bath 1 and a top plate 2. A top sliding groove 6 is formed on the top surface of the water bath 1. The top sliding groove 6 is a circular groove, and a slider 7 is slidably connected inside the top sliding groove 6. The top plate 2 is fixedly installed on the top surface of the slider 7. An insertion hole 3 is formed on the top surface of the top plate 2, and an inner ring gasket 4 is fixedly installed inside the insertion hole 3. The inner ring gasket 4 is made of silicone. A fixing plate 15 is fixedly installed inside the top sliding groove 6. The fixing plate 15 has a small height. The top plate 2 has teeth 5 on its outer edge, and a lifting plate 10 is installed inside the water bath 1. A heating rod 13 is fixedly installed on the top surface of the lifting plate 10, and a drive motor 8 is fixedly installed on the outer surface of the water bath 1. A half gear 9 is installed at the output end of the drive motor 8, and the half gear 9 meshes with the teeth 5. When thawing centrifuge tubes, the blood sample centrifuge tube can be inserted into the inner ring pad 4. The inner diameter of the inner ring pad 4 is smaller than that of the blood sample centrifuge tube. The outer diameter of the centrifuge tube is compressed and deformed to tighten the blood sample centrifuge tube. The blood sample centrifuge tube is then inserted into the water bath 1. The heating rod 13 heats the water in the water bath 1, and the tube is thawed through the water bath. During the thawing process, the drive motor 8 drives the half gear 9 to rotate, which periodically meshes with the teeth 5. This causes the top plate 2 and the slider 7 to rotate at a small angle, which in turn compresses the spring 16 to generate elastic potential energy. When the half gear 9 disengages from the teeth 5, the spring 16 rebounds, and the slider 7 and the top plate 2 rotate in the opposite direction to reset. This causes the top plate 2 and the blood sample centrifuge tube to oscillate periodically at a small angle, resulting in a small-amplitude shaking inside the blood sample centrifuge tube, which improves the uniformity of thawing. This device can complete the uniform thawing operation with a single drive motor 8, making the structure simpler, easier to use, and lower in cost. At the same time, the periodic oscillation of the blood sample centrifuge tube at a small angle also stirs the water, improving the uniformity of heat distribution in the water and further enhancing the uniformity of water bath thawing, thus improving work efficiency.

[0031] In one embodiment, a sealing ring 11 is fixedly bonded to the edge of the lifting plate 10, and the edge of the sealing ring 11 slides against the inner wall of the water bath 1. An electric cylinder 14 is fixedly installed on the bottom surface of the water bath 1, and the top surface of the moving rod of the electric cylinder 14 is fixedly connected to the bottom surface of the lifting plate 10. When the liquid level in the water bath 1 is low, the operator can activate the electric cylinder 14 to push the lifting plate 10 up, thereby pushing the water above the lifting plate 10 up to better cover the outer wall of the blood sample centrifuge tube, eliminating the trouble of frequent water filling and improving the convenience of use. At the same time, the squeezing and fixing by the inner ring pad 4 makes it easier for the operator to install and remove the blood sample centrifuge tube, further improving the convenience of use.

[0032] In one embodiment, the two ends of the spring 16 are fixedly connected to the slider 7 and the fixed plate 15 respectively, and the slider 7 is distributed in multiple sets at equal angles along the central axis of the water bath 1, which improves the stability of rotation and the stability of support for the top plate 2.

[0033] In one embodiment, multiple sets of heating rods 13 are arranged, and the heating rods 13 are constant temperature electric heating rods, which is a common heating structure.

[0034] In one embodiment, a support leg 12 is installed on the bottom surface of the water bath 1, and the height of the support leg 12 is greater than the height of the electric cylinder 14, which facilitates the installation and operation of the electric cylinder 14.

[0035] In one embodiment, multiple sets of insertion holes 3 are evenly distributed, and the inner diameter of the insertion hole 3 is larger than the outer diameter of the blood sample centrifuge tube. The insertion hole 3 is set to correspond to the outer diameter size of the blood sample centrifuge tube.

[0036] In one embodiment, the inner diameter of the inner ring pad 4 is smaller than the outer diameter of the blood sample centrifuge tube, and the top diameter of the inner ring pad 4 is larger than the outer diameter of the blood sample centrifuge tube, which facilitates the insertion of the blood sample centrifuge tube.

[0037] In one embodiment, both the slider 7 and the top groove 6 have a convex cross-section, and the inner wall of the top groove 6 is polished to facilitate the rotation of the slider 7.

[0038] Working principle:

[0039] During centrifuge tube thawing, the blood sample centrifuge tube can be inserted into the inner ring pad 4, the inner diameter of which is smaller than the outer diameter of the blood sample centrifuge tube. The blood sample centrifuge tube is then squeezed and deformed to tighten it. The tube is then inserted into the water bath 1, where the heating rod 13 heats the water. Thawing is achieved through the water bath. During this thawing process, the drive motor 8 drives the half-gear 9 to rotate, periodically meshing with the teeth 5. This causes the top plate 2 and slider 7 to rotate at a small angle, compressing the spring 16 and generating elastic potential energy. When the half-gear 9 disengages from the teeth 5, the spring 16 rebounds, causing the slider 7 and top plate 2 to rotate in the opposite direction and reset. This results in a small-angle periodic reciprocating oscillation between the top plate 2 and the blood sample centrifuge tube, creating a slight shaking inside the tube and improving the uniformity of thawing. This device uses a single drive motor. The system can complete the uniform thawing operation with a height of 8, making the structure simpler, easier to use, and lower in cost. At the same time, the small-angle periodic reciprocating oscillation of the blood sample centrifuge tube also plays a role in stirring the water, improving the uniformity of water heat distribution, further improving the uniformity of water bath thawing, and increasing work efficiency. Meanwhile, the outer edge of the sealing ring 11 slides against the inner wall of the water bath 1. When the liquid level in the water bath 1 is low, the operator can activate the electric cylinder 14 to push the lifting plate 10 up, thereby pushing the water above the lifting plate 10 up to better cover the outer wall of the blood sample centrifuge tube, eliminating the trouble of frequent water injection and improving the convenience of use. At the same time, the squeezing and fixing of the inner ring pad 4 makes it easier for the operator to install and remove the blood sample centrifuge tube, further improving the convenience of use.

[0040] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0041] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A centrifuge tube blood sample thawing device, characterized in that, The bath includes a water bath (1) and a top plate (2). The top surface of the water bath (1) is provided with a top sliding groove (6), and a slider (7) is slidably connected inside the top sliding groove (6). The top plate (2) is fixedly installed on the top surface of the slider (7). The top surface of the top plate (2) is provided with a plug hole (3), and an inner ring gasket (4) is fixedly installed inside the plug hole (3). A fixing plate (15) is fixedly installed inside the top sliding groove (6), and the fixing plate (15) is connected to the slider (7) by a spring (16). The outer edge of the top plate (2) is provided with teeth (5). The water bath (1) is provided with a lifting plate (10), and a heating rod (13) is fixedly installed on the top surface of the lifting plate (10). A drive motor (8) is fixedly installed on the outer surface of the water bath (1). A half gear (9) is installed at the output end of the drive motor (8), and the half gear (9) meshes with the teeth (5).

2. The centrifuge tube blood sample thawing device according to claim 1, characterized in that, A sealing ring (11) is fixedly bonded to the edge of the lifting plate (10), and the edge of the sealing ring (11) slides against the inner wall of the water bath (1). An electric cylinder (14) is fixedly installed on the bottom surface of the water bath (1), and the top surface of the moving rod of the electric cylinder (14) is fixedly connected to the bottom surface of the lifting plate (10).

3. The centrifuge tube blood sample thawing device according to claim 1, characterized in that, The two ends of the spring (16) are fixedly connected to the slider (7) and the fixed plate (15) respectively, and the slider (7) is distributed in multiple groups at equal angles along the central axis of the water bath (1).

4. The centrifuge tube blood sample thawing device according to claim 1, characterized in that, The heating rods (13) are arranged in multiple sets, and the heating rods (13) are constant temperature electric heating rods.

5. A centrifuge tube blood sample thawing device according to claim 2, characterized in that, The bottom surface of the water bath (1) is equipped with support legs (12), and the height of the support legs (12) is greater than the height of the cylinder body of the electric cylinder (14).

6. The centrifuge tube blood sample thawing device according to claim 1, characterized in that, The insertion holes (3) are evenly distributed in multiple sets.

7. The centrifuge tube blood sample thawing device according to claim 1, characterized in that, The inner diameter of the inner ring pad (4) is smaller than the outer diameter of the blood sample centrifuge tube, and the top diameter of the inner ring pad (4) is larger than the outer diameter of the blood sample centrifuge tube.

8. The centrifuge tube blood sample thawing device according to claim 1, characterized in that, The vertical cross-sections of the slider (7) and the top groove (6) are both convex, and the inner wall of the top groove (6) is polished.

Images