Centrifugal device for serum detection
By designing a serum detection centrifugal device with a rotating insertion rod and a engaging assembly, the problem of unstable separating cup clamping in the prior art is solved, and the stability of the test tube and effective serum separation are achieved.
Patent Information
- Application Number
- CN202421567751.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-07-04
AI Technical Summary
The existing centrifugal device is unstable to clamp the separation cup during serum detection, resulting in the separation cup being thrown out when rotated, affecting the serum separation work.
A centrifugal device for serum detection is designed, adopting the structure of the box and the box cover. Through the cooperation of the rotating insertion rod and the engagement assembly, the stable connection between the box cover and the box is achieved, ensuring the stability of the test tube.
It effectively avoids the test tube being thrown out when the rotating drum is rotated, ensures stable serum separation, and improves the reliability and efficiency of the experiment.
Smart Images
Figure CN222918838U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of centrifugal devices, in particular to a centrifugal device for serum detection. Background Art
[0002] Centrifugal devices play an important role in serum detection. Generally, centrifugal devices are used to separate serum and plasma in blood samples. Serum is the remaining liquid part after blood coagulation, while plasma is the non-coagulated liquid part of blood. These two liquids contain important biomarkers such as proteins, hormones, drugs, etc., which can be used for disease diagnosis, health status monitoring, and treatment effect evaluation.
[0003] The existing device can form an angle between the separation cup and the horizontal plane under the action of centrifugal force through the swing of the swing arm structure, so as to achieve the effect of serum separation. However, the clamping of the separation cup is not stable, resulting in the separation cup being thrown out during rotation, affecting the serum separation work. Therefore, a centrifugal device for serum detection is proposed to solve the above problems. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the problem that the clamping of the separation cup in the prior art is not stable, resulting in the separation cup being thrown out during rotation and affecting the serum separation work, and to propose a centrifugal device for serum detection.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a centrifugal device for serum detection, including a box body, the upper part of the box body is rotatably connected with a box cover, both the left and right sides of the front side of the box cover are fixedly connected with insertion blocks, both the left and right sides of the upper part of the front side of the box body are fixedly connected with support members, a rotating rod is fixedly connected inside the support member, a rotating insertion rod is rotatably connected to the outside of the rotating rod, the rotating insertion rod is rotatably connected inside the support member, the insertion block is arranged inside the rotating insertion rod, convex through grooves are opened on both the left and right sides inside the box body, one end of the rotating insertion rod is slidably connected inside the convex through groove, clamping components are slidably connected to both the left and right sides inside one end of the rotating insertion rod.
[0006] As a further description of the above technical scheme:
[0007] The clamping component includes a trapezoidal clamping block, the trapezoidal clamping block is slidably connected inside the clamping groove, one side of the trapezoidal clamping block is fixedly connected with a telescopic rod, a spring is arranged outside the telescopic rod, and the trapezoidal clamping block is slidably connected inside the convex through groove.
[0008] As a further description of the above technical scheme:
[0009] On the left side of the inner bottom wall of the box body, a micro-motor is fixedly connected. The output end of the micro-motor is fixedly connected with a first gear. The first gear is meshed with a second gear. The bottom of the second gear is rotatably connected with a connecting shaft. The upper parts of the first gear and the second gear are fixedly connected with a rotating cylinder. The inside of the rotating cylinder is provided with test tubes evenly distributed. The inside of the test tube is slidably connected with a protective cover.
[0010] As a further description of the above technical solution:
[0011] The inside of the rotating cylinder is provided with a protective cushion layer. The inside of the protective cushion layer is provided with placement holes evenly distributed. The test tubes are slidably connected inside the placement holes.
[0012] As a further description of the above technical solution:
[0013] One side of the outside of the test tube is fixedly connected with a positioning rod. The positioning rod is slidably connected inside the protective cushion layer.
[0014] As a further description of the above technical solution:
[0015] The upper part of the box cover is fixedly connected with a handle. The bottom of the box cover is fixedly connected with an inner pressing block.
[0016] As a further description of the above technical solution:
[0017] The four corners of the bottom of the box body are all fixedly connected with support feet.
[0018] As a further description of the above technical solution:
[0019] One end of the spring is fixedly connected to one side of the trapezoidal block. The other end of the spring and one end of the telescopic rod are both fixedly connected to the left and right sides of the inner wall of the convex through groove.
[0020] The utility model has the following beneficial effects:
[0021] 1. In the utility model, by inserting the test tube into the placement groove, inserting the positioning rod into the protective cushion layer, starting the micro-motor to make the first gear and the second gear rotate, and the second gear rotates outside the connecting shaft to make the rotating cylinder rotate, separating the serum and plasma in the blood, realizing the rotation of the test tube to separate the serum, and ensuring the balance of the rotating cylinder and the stability of the test tube.
[0022] 2. In the present utility model, by rotating the box cover to make the insertion block fit with the box body, rotating the rotating insertion rod and inserting it into the convex through groove, while squeezing the trapezoidal clamping block, the telescopic rod and the spring. When the rotating insertion rod is completely inserted into the convex through groove, the trapezoidal clamping block is no longer squeezed, and is inserted into the clamping groove by the resilience of the spring, realizing the stable connection between the box cover and the box body, so as to stably protect the test tube, and avoid the test tube being thrown out when the rotating cylinder rotates, affecting the separation work of the serum. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 is a perspective view of a centrifugal device for serum detection proposed by the present utility model;
[0024] Figure 2 is a cross-sectional view of a centrifugal device for serum detection proposed by the present utility model;
[0025] Figure 3 is a top view of the box body of a centrifugal device for serum detection proposed by the present utility model;
[0026] Figure 4 is a schematic diagram of a partial structure of a centrifugal device for serum detection proposed by the present utility model.
[0027] Legend:
[0028] 1. Box body; 2. Protective cushion layer; 3. Support feet; 4. Box cover; 5. Handle; 6. Insertion block; 7. Support member; 8. Rotating insertion rod; 9. Micro motor; 10. First gear; 11. Second gear; 12. Connecting shaft; 13. Rotating cylinder; 14. Placing hole; 15. Protective cover; 16. Positioning rod; 17. Test tube; 18. Inner pressing block; 19. Rotating rod; 20. Spring; 21. Telescopic rod; 22. Convex through groove; 23. Trapezoidal clamping block; 24. Clamping groove. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with 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. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0030] Refer to Figure 1 、 Figure 3 、 Figure 4, an embodiment provided by the present utility model: a centrifugal device for serum detection, including a box body 1, the upper part of the box body 1 is rotatably connected with a box cover 4, both the left and right sides of the front side of the box cover 4 are fixedly connected with insertion blocks 6, both the left and right sides of the upper part of the front side of the box body 1 are fixedly connected with support members 7, a rotating rod 19 is fixedly connected inside the support member 7, a rotating insertion rod 8 is rotatably connected to the outside of the rotating rod 19, the rotating insertion rod 8 is rotatably connected inside the support member 7, the insertion block 6 is arranged inside the rotating insertion rod 8, convex through grooves 22 are opened on both the left and right sides inside the box body 1, one end of the rotating insertion rod 8 is slidably connected inside the convex through groove 22, and clamping components are slidably connected to both the left and right sides inside one end of the rotating insertion rod 8;
[0031] The clamping component includes a trapezoidal clamping block 23, the trapezoidal clamping block 23 is slidably connected inside the clamping groove 24, one side of the trapezoidal clamping block 23 is fixedly connected with a telescopic rod 21, a spring 20 is arranged outside the telescopic rod 21, the trapezoidal clamping block 23 is slidably connected inside the convex through groove 22, one end of the spring 20 is fixedly connected to one side of the trapezoidal clamping block 23, and both the other end of the spring 20 and one end of the telescopic rod 21 are fixedly connected to the left and right sides of the inner wall of the convex through groove 22.
[0032] By rotating the box cover 4, the insertion block 6 is made to fit with the box body 1, the rotating insertion rod 8 is pushed to rotate outside the rotating rod 19, the rotating insertion rod 8 is inserted into the convex through groove 22, the insertion block 6 is fixed, and at the same time, the trapezoidal clamping block 23 is squeezed, and at the same time, the telescopic rod 21 and the spring 20 are squeezed to generate a resilient force. When the rotating insertion rod 8 is completely inserted into the convex through groove 22, the trapezoidal clamping block 23 is no longer squeezed, and the trapezoidal clamping block 23 is inserted into the clamping groove 24 by the resilient force of the spring 20, which plays a role in firmly connecting the box cover 4 and the box body 1, stably protecting the test tube 17, and preventing the test tube 17 from being thrown out when the rotating cylinder 13 rotates, affecting the separation work of the serum.
[0033] Refer to Figure 2 、 Figure 3 , a micro motor 9 is fixedly connected to the left side of the inner bottom wall of the box body 1, the output end of the micro motor 9 is fixedly connected with a first gear 10, the first gear 10 is meshed with a second gear 11, the bottom of the second gear 11 is rotatably connected with a connecting shaft 12, the upper parts of the first gear 10 and the second gear 11 are fixedly connected with a rotating cylinder 13, a uniformly distributed test tube 17 is arranged inside the rotating cylinder 13, and a protective cover 15 is slidably connected inside the test tube 17;
[0034] A protective cushion layer 2 is arranged inside the rotating cylinder 13, uniformly distributed placement holes 14 are opened inside the protective cushion layer 2, the test tube 17 is slidably connected inside the placement hole 14, and a positioning rod 16 is fixedly connected to one side of the outside of the test tube 17, and the positioning rod 16 is slidably connected inside the protective cushion layer 2.
[0035] By inserting the test tube 17 into the placement hole 14 and simultaneously driving the positioning rod 16 to insert into the protective cushion layer 2, the test tube 17 is fixed and protected. Start the micro-motor 9, and the rotation of the micro-motor 9 drives the first gear 10 to rotate. The rotation of the first gear 10 drives the second gear 11 to rotate, causing the second gear 11 to rotate outside the connecting shaft 12, keeping the rotating cylinder 13 balanced, and the rotating cylinder 13 drives the test tube 17 to rotate, so as to separate the serum and plasma in the blood. The protective cover 15 protects the blood in the test tube 17, achieving the rotation of the test tube 17 to separate the serum and ensuring the balance of the rotating cylinder 13 and the stability of the test tube 17.
[0036] Refer to Figure 1 、 Figure 2 On the upper part of the box cover 4, a handle 5 is fixedly connected, and on the bottom of the box cover 4, an inner pressure block 18 is fixedly connected; at the four corners of the bottom of the box body 1, support feet 3 are fixedly connected.
[0037] By pulling the handle 5, the box cover 4 drives the inner pressure block 18 to move, resisting and limiting the rotating cylinder 13 to prevent the test tube 17 from being thrown out when the rotating cylinder 13 rotates; the box body 1 is fixedly supported by the support feet 3.
[0038] Working principle: When the device needs to be used, insert the test tube 17 into the placement hole 14, insert the positioning rod 16 into the protective cushion layer 2, start the micro-motor 9, make the first gear 10 and the second gear 11 rotate, make the second gear 11 rotate outside the connecting shaft 12, and the rotating cylinder 13 drives the test tube 17 to rotate to separate the serum and plasma in the blood, achieving the rotation of the test tube 17 to separate the serum and ensuring the balance of the rotating cylinder 13 and the stability of the test tube 17;
[0039] By rotating the box cover 4, the insertion block 6 fits with the box body 1, rotate the rotating insertion rod 8 and insert it into the inside of the convex through groove 22. When inserting, the trapezoidal clamping block 23 is squeezed, and at the same time, the telescopic rod 21 and the spring 20 are squeezed. When the rotating insertion rod 8 is completely inserted into the convex through groove 22, the trapezoidal clamping block 23 is no longer squeezed, and it is inserted into the clamping groove 24 by the resilience of the spring 20, achieving the stable connection of the box cover 4 and the box body 1, stably protecting the test tube 17, and preventing the test tube 17 from being thrown out when the rotating cylinder 13 rotates, affecting the serum separation work.
[0040] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. A centrifugal device for serum detection, comprising a housing (1), characterized in that: The upper part of the box body (1) is rotatably connected to a box cover (4), and the front side of the box cover (4) is fixedly connected to an insert block (6) on both sides, and the upper front side of the box body (1) is fixedly connected to a support member (7) on both sides, and the interior of the support member (7) is fixedly connected to a rotating rod (19), and the exterior of the rotating rod (19) is rotatably connected to a rotating insert rod (8), and the rotating insert rod (8) is rotatably connected to the interior of the support member (7). The insert block (6) is arranged inside the rotating insert rod (8), and convex through grooves (22) are provided on both sides of the interior of the box body (1), and one end of the rotating insert rod (8) is slidably connected to the interior of the convex through groove (22), and a clamping groove (24) is provided on both sides of the interior of one end of the rotating insert rod (8), and a clamping assembly is slidably connected to the interior of the clamping groove (24).
2. A centrifugal device for serum detection according to claim 1, characterized in that: The clamping assembly comprises a trapezoidal clamping block (23), the trapezoidal clamping block (23) being slidably connected inside a clamping slot (24), a telescopic rod (21) being fixedly connected to one side of the trapezoidal clamping block (23), a spring (20) being arranged outside the telescopic rod (21), and the trapezoidal clamping block (23) being slidably connected inside a convex through slot (22).
3. A centrifugal device for serum detection according to claim 1, characterized in that: A micro motor (9) is fixedly connected to the left side of the bottom wall of the box body (1); a gear 1 (10) is fixedly connected to the output end of the micro motor (9); the gear 1 (10) is meshingly connected to a gear 2 (11); the bottom of the gear 2 (11) is rotatably connected to a connecting shaft (12); the upper parts of the gear 1 (10) and the gear 2 (11) are fixedly connected to a rotating cylinder (13); uniformly distributed test tubes (17) are arranged inside the rotating cylinder (13); and a protective cover (15) is slidably connected to the inside of the test tube (17).
4. A centrifugal device for serum detection according to claim 3, characterized in that: A protective cushion layer (2) is arranged inside the rotating cylinder (13), and evenly distributed placement holes (14) are opened inside the protective cushion layer (2). The test tube (17) is slidably connected inside the placement holes (14).
5. A centrifugal device for serum detection according to claim 3, characterized in that: A positioning rod (16) is fixedly connected to one side of the exterior of the test tube (17), and the positioning rod (16) is slidably connected to the interior of the protective cushion layer (2).
6. A centrifugal device for serum detection according to claim 1, characterized in that: A handle (5) is fixedly connected to the upper portion of the box cover (4), and an internal pressure block (18) is fixedly connected to the bottom portion of the box cover (4).
7. A centrifugal device for serum detection according to claim 1, characterized in that: The four corners of the bottom of the box body (1) are all fixedly connected with supporting feet (3).
8. A centrifugal device for serum detection according to claim 2, characterized in that: One end of the spring (20) is fixedly connected to one side of the trapezoidal block (23), and the other end of the spring (20) and one end of the telescopic rod (21) are both fixedly connected to the left and right sides of the inner wall of the convex through groove (22).