Leak-proof seal cap for blood sample centrifugation

Abstract

The utility model relates to blood sample centrifugal technology field, concretely is a kind of blood sample centrifugal when leak-proof sealing cover, including sealing cover body, the bottom end of sealing cover body is provided with sealing rubber ring, the bottom end of sealing cover body is provided with fixed cover subassembly, the bottom end of fixed cover subassembly is provided with fixed pipe subassembly;The bottom end of sealing cover body is movably connected with reinforcing tube sleeve by sealing rubber ring, the inside of reinforcing tube sleeve is equipped with inner sleeve base, and the inner sleeve base and reinforcing tube sleeve are between being provided with the insertion ring groove. The utility model discloses sealing cover body, sealing rubber ring, reinforcing tube sleeve, inner sleeve base, insertion ring groove, limit ring, fit inner pad, first sealing inner pad, outer insertion ring, inner insertion ring and second sealing inner pad can be more firm and stable leak-proof sealing operation when the equipment goes to carry out blood sample centrifugal sealing cover body whole, in actual use process, staff first with reinforcing tube sleeve whole sleeve is equipped in the top end side surface place of centrifugal test tube.

Description

Technical Field

[0001] This utility model relates to the field of blood sample centrifugation technology, specifically a leak-proof sealing cap for blood sample centrifugation. Background Technology

[0002] In medical testing, centrifuges are commonly used to separate serum, plasma, precipitate proteins, or examine urine sediment. Centrifuges allow suspended particles in a mixture to precipitate rapidly, thereby separating various substances with different specific gravities. Centrifugation is a method of separating, concentrating, and purifying biological samples by utilizing the centrifugal force of rotational motion and the differences in sedimentation coefficients or buoyancy densities of substances. Leak-proof sealing caps are an important component of centrifuged blood samples in test tubes.

[0003] For example, patent document CN 219663736 U discloses a centrifugal separation sleeve kit for preparing platelet-rich plasma, including a centrifugal sleeve and four sets of centrifugal tubing. The centrifugal sleeve includes a sleeve body and a first sealing cap, which is threaded onto the sleeve body. A groove is provided on the upper outer wall of the sleeve body. In summary, this utility model differs from the prior art by using an inverted placement, which makes the separation more thorough during the separation process. Furthermore, the head of the centrifugal syringe is fixed in the syringe fixing groove to prevent it from shaking during centrifugation and affecting the centrifugal structure. Moreover, the injection head of the centrifugal syringe is equipped with a sterile medical three-way valve, which can effectively avoid sample contamination that may occur during sampling, sample transfer, and centrifugation, resulting in higher sample safety and accuracy. This utility model reduces the risk of contamination during the preparation of blood and other raw materials and lowers the cost of clinical use.

[0004] However, when centrifuging blood samples, the leak-proof sealing cap of this structure is only connected and fixed to the top of the test tube by a simple plugging operation. The centrifugal force generated by centrifugation can easily cause the cap to fall off, affecting the centrifugation effect of the blood sample. At the same time, the equipment cannot perform double reinforcement of the test tube and the cap, which cannot meet the needs of daily use. Therefore, it is urgent to design a leak-proof sealing cap for centrifuging blood samples to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a leak-proof sealing cap for blood sample centrifugation, in order to solve the problem mentioned in the background art that the existing structure for blood sample centrifugation only connects and fixes the leak-proof sealing cap to the top of the test tube through a simple plugging operation. The centrifugal force generated by centrifugation can easily cause the cap to fall off, affecting the centrifugation effect of the blood sample. At the same time, the equipment cannot perform a double reinforcement operation of the test tube and the cap, which cannot meet the needs of daily use.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a leak-proof sealing cap for centrifuging blood samples, comprising a sealing cap body, a sealing ring provided at the bottom end of the sealing cap body, a cap fixing assembly provided at the bottom end of the sealing cap body, and a tube fixing assembly provided at the bottom end of the cap fixing assembly;

[0007] The sealing cover assembly includes a reinforcing sleeve; the bottom end of the sealing cover is movably connected to the reinforcing sleeve via a sealing ring, and an inner sleeve seat is provided inside the reinforcing sleeve, with an insertion ring groove provided between the inner sleeve seat and the reinforcing sleeve;

[0008] The pipe fixing assembly includes elastic sleeves, with elastic sleeves fixedly connected to the four bottom corners of the reinforcing pipe sleeve, and a screw-in seat fixedly connected to the bottom end of the elastic sleeve, with a top fixing base provided inside the screw-in seat.

[0009] Preferably, a positioning ring is fitted on the side of the top-fixed chassis, and a top-fixed spring is provided at the bottom end of the top-fixed chassis.

[0010] Preferably, the screw seat has screw threads on its side and sealing rings are provided at both ends of the side of the screw seat.

[0011] Preferably, the top-fixed chassis and the screw-in seat are mutually compatible.

[0012] Preferably, a limiting ring is fixedly connected to the top of the inner wall of the inner sleeve, and the inner wall of the inner sleeve is provided with a fitting inner pad.

[0013] Preferably, the inner wall of the insertion ring groove is provided with a first sealing gasket both inside and outside.

[0014] Preferably, an outer insertion ring is fixedly connected to the outer ring of one end of the sealing cover, and an inner insertion ring is fixedly connected to the inner ring of one end of the sealing cover. A second sealing gasket is provided on the inner and outer walls of both the outer insertion ring and the inner insertion ring.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This leak-proof sealing cap for blood sample centrifugation, through its designed sealing cap body, sealing ring, reinforcing sleeve, inner sleeve seat, insertion ring groove, limiting ring, fitting inner gasket, first sealing inner gasket, outer insertion ring, inner insertion ring, and second sealing inner gasket, ensures a more secure and stable leak-proof sealing operation during blood sample centrifugation. In actual use, the operator first places the reinforcing sleeve over the top side of the centrifuge tube. At this point, the limiting ring of the inner sleeve seat inside the reinforcing sleeve can align with the tube opening at the top of the tube, ensuring a snug fit within the inner wall of the inner sleeve. The inner gasket is attached to the top of the test tube, and then the sealing cap can be attached to the reinforcing sleeve for sealing. At this time, the inner insertion ring of one end of the sealing cap is inserted into the inner wall of the test tube, and the outer insertion ring of the outer ring is sealed and connected at the insertion ring groove of the reinforcing sleeve and the inner sleeve seat. The second sealing gasket on the inner and outer walls of the outer insertion ring and the inner insertion ring can be sealed and connected with the first sealing gasket at the insertion ring groove, thereby greatly improving the leak-proof sealing strength of the sealing cap. At the same time, the sealing cap and the reinforcing sleeve are sealed and connected by a sealing rubber ring, which reflects the practicality of the equipment design.

[0017] This leak-proof sealing cap for blood sample centrifugation, through its design including a sealing cap body, sealing ring, reinforcing sleeve, elastic band, screw-in base, top-fixing base, positioning ring, top-fixing spring, screw threads, and sealing ring, further enhances the overall performance of the equipment. During daily use, operators can quickly screw the entire screw-in base into the centrifuge using the side screw threads and sealing ring. Then, the test tube is placed between the reinforcing sleeve and the screw-in base. The elastic bands at the four corners of the side provide a limiting fit for the centrifuge test tube. Simultaneously, the bottom of the test tube, through the top-fixing base inside the screw-in base, works in conjunction with the positioning ring and top-fixing spring to provide damping and buffering, effectively improving the leak-proof sealing effect of the sealing cap at the top of the test tube, demonstrating the comprehensive design of the equipment. Attached Figure Description

[0018] Figure 1 This is a three-dimensional schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the overall structure of the sealing cover of this utility model;

[0020] Figure 3 This is an overall schematic diagram of the reinforced pipe sleeve structure of this utility model;

[0021] Figure 4 This is an overall schematic diagram of the screw-in seat structure of this utility model;

[0022] Figure 5 This utility model Figure 1 An enlarged schematic diagram of the structure at point A in the middle.

[0023] In the diagram: 1. Sealing cap; 2. Sealing ring; 3. Reinforcing sleeve; 4. Inner sleeve seat; 5. Insertion ring groove; 6. Elastic sleeve; 7. Screw seat; 8. Top-fixing base; 9. Positioning ring; 10. Top-fixing spring body; 11. Screw thread; 12. Sealing ring; 13. Limiting ring; 14. Fitting inner gasket; 15. First sealing inner gasket; 16. Outer insertion ring; 17. Inner insertion ring; 18. Second sealing inner gasket. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-5 One embodiment provided by this utility model:

[0026] A leak-proof sealing cap for centrifuging blood samples includes a sealing cap body 1, a sealing ring 2 at the bottom end of the sealing cap body 1, a cap fixing assembly at the bottom end of the sealing cap body 1, a tube fixing assembly at the bottom end of the cap fixing assembly, a reinforcing tube sleeve 3 movably connected to the bottom end of the sealing cap body 1 via the sealing ring 2, an inner sleeve seat 4 sleeved inside the reinforcing tube sleeve 3, an insertion ring groove 5 formed between the inner sleeve seat 4 and the reinforcing tube sleeve 3, a limit ring 13 fixedly connected to the top of the inner wall of the inner sleeve seat 4, a fitting inner gasket 14 provided on the inner wall of the inner sleeve seat 4, and a first sealing inner gasket 15 provided both inside and outside the inner wall of the insertion ring groove 5. One end of the outer ring is fixedly connected to an outer insertion ring 16, and one end of the inner ring is fixedly connected to an inner insertion ring 17. The inner and outer walls of the outer insertion ring 16 and the inner insertion ring 17 are provided with second sealing gaskets 18. The inner insertion ring 17 of the inner ring of one end of the sealing cover 1 is inserted into the inner wall of the test tube, and the outer insertion ring 16 of the outer ring is sealed and connected at the insertion ring groove 5 of the reinforcing tube sleeve 3 and the inner sleeve seat 4. The second sealing gaskets 18 on the inner and outer walls of the outer insertion ring 16 and the inner insertion ring 17 can be sealed and connected with the first sealing gasket 15 of the insertion ring groove 5, thereby greatly improving the leak-proof sealing firmness of the sealing cover 1.

[0027] The solidification assembly includes elastic sleeves 6. Elastic sleeves 6 are fixedly connected to the four bottom corners of the solidification sleeve 3. A screw-in seat 7 is fixedly connected to the bottom end of the elastic sleeves 6. A top solidification base 8 is provided inside the screw-in seat 7. A positioning ring 9 is sleeved on the side of the top solidification base 8. A top solidification spring body 10 is provided at the bottom end of the top solidification base 8. A screw-in thread 11 is provided on the side of the screw-in seat 7. A sealing ring 12 is provided at both ends of the side of the screw-in seat 7. The top solidification base 8 and the screw-in seat 7 are mutually compatible. The entire screw-in seat 7 is quickly screwed into the inside of the centrifuge through the screw-in thread 11 and the sealing ring 12 on the side. Then, the test tube is placed between the solidification sleeve 3 and the screw-in seat 7. At this time, the elastic sleeves 6 at the four corners of the side can limit the centrifuge test tube.

[0028] Working principle: During use, the user first places the reinforcing sleeve 3 entirely over the top side of the centrifuge tube. At this time, the limiting ring 13 of the inner sleeve seat 4 inside the reinforcing sleeve 3 can align with the tube opening at the top of the test tube. The inner gasket 14 on the inner wall of the inner sleeve seat 4 adheres to the top of the test tube. Then, the sealing cap 1 can be placed over the reinforcing sleeve 3 for sealing. At this time, the inner insertion ring 17 of one end of the sealing cap 1 is inserted into the inner wall of the test tube, while the outer insertion ring 16 of the outer ring forms a sealing connection at the insertion ring groove 5 of the reinforcing sleeve 3 and the inner sleeve seat 4. The second sealing gasket 18 on the inner and outer walls of the outer insertion ring 16 and the inner insertion ring 17 can form a sealing connection with the first sealing gasket 15 of the insertion ring groove 5. This greatly improves the leak-proof sealing strength of the sealing cap 1. At the same time, the sealing cap 1 and the reinforcing sleeve 3 are sealed together by the sealing ring 2. In daily use, the operator can quickly screw the entire screw seat 7 into the centrifuge through the screw thread 11 on the side and the sealing ring 12. Then, the test tube is placed between the reinforcing sleeve 3 and the screw seat 7. At this time, the elastic sleeves 6 at the four corners of the side can limit the centrifuge test tube. At the same time, the bottom of the test tube is damped and buffered by the top fixing plate 8 inside the screw seat 7, in conjunction with the positioning ring 9 and the top fixing spring 10, thereby effectively improving the leak-proof sealing effect of the sealing cap 1 at the top of the test tube. The above is the entire working principle of this utility model.

[0029] 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.

Claims

1. A leak-proof sealing cap for centrifuging blood samples, comprising a sealing cap body (1), characterized in that: The bottom end of the sealing cover (1) is provided with a sealing ring (2), the bottom end of the sealing cover (1) is provided with a fixed cover assembly, and the bottom end of the fixed cover assembly is provided with a fixed pipe assembly. The sealing cover assembly includes a reinforcing sleeve (3); the bottom end of the sealing cover (1) is movably connected to the reinforcing sleeve (3) via a sealing ring (2), and an inner sleeve seat (4) is provided inside the reinforcing sleeve (3), and an insertion ring groove (5) is provided between the inner sleeve seat (4) and the reinforcing sleeve (3). The tube assembly includes an elastic sleeve (6), the bottom four corners of the reinforced tube sleeve (3) are fixedly connected with the elastic sleeve (6), the bottom end of the elastic sleeve (6) is fixedly connected with a screw seat (7), and the screw seat (7) is provided with a top-fixed base plate (8).

2. The leak-proof sealing cap for centrifuging blood samples according to claim 1, characterized in that: The top-fixed chassis (8) is fitted with a positioning ring (9) on its side, and a top-fixed spring body (10) is provided at the bottom end of the top-fixed chassis (8).

3. The leak-proof sealing cap for centrifuging blood samples according to claim 1, characterized in that: The screw seat (7) has a screw thread (11) on its side and a sealing ring (12) is provided at both ends of the side of the screw seat (7).

4. The leak-proof sealing cap for centrifuging blood samples according to claim 1, characterized in that: The top-fixed base (8) and the screw-in seat (7) are mutually compatible.

5. A leak-proof sealing cap for centrifuging blood samples according to claim 1, characterized in that: The inner wall of the inner sleeve (4) is fixedly connected to a limiting ring (13), and the inner wall of the inner sleeve (4) is provided with a fitting inner pad (14).

6. The leak-proof sealing cap for centrifuging blood samples according to claim 1, characterized in that: The inner wall of the insertion ring groove (5) is provided with a first sealing gasket (15) on both the inner and outer sides.

7. A leak-proof sealing cap for centrifuging blood samples according to claim 1, characterized in that: An outer ring (16) is fixedly connected to the outer ring of one end of the sealing cover (1), and an inner ring (17) is fixedly connected to the inner ring of one end of the sealing cover (1). A second sealing gasket (18) is provided on the inner and outer walls of both the outer ring (16) and the inner ring (17).

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