Blood cell separator with good sealing performance

By designing docking and clamping components, the problem of unstable connection of the blood cell separator is solved, achieving stable and reliable connection and sealing, and improving the ease of operation and practicality of use.

CN223951014UActive Publication Date: 2026-02-27THE FIRST AFFILIATED HOSPITAL OF HAINAN MEDICAL UNIV
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Patent Information

Application Number
CN202422974894.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2026-02-27
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

Existing blood cell separators are unstable after connection, prone to leakage, and affect their effectiveness.

Method used

The design employs a docking and clamping assembly, including a T-shaped first connector, a second connector with a round hole, an L-shaped groove and a rubber gasket docking structure, and a clamping assembly with a convex tube and threaded connection to ensure connection stability and sealing.

Benefits of technology

This technology enables a stable and reliable connection for the blood cell separator, improves the ease of operation and sealing, and enhances its practicality.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223951014U_ABST
    Figure CN223951014U_ABST
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Abstract

The blood cell separator comprises an outer shell and two second hoses, a sample inlet and an article outlet of the outer shell are fixedly communicated with first hoses, the two first hoses and the second hoses are connected through butt joint structures, the butt joint structures comprise butt joint assemblies, butt joint assemblies and butt joint assemblies, and the butt joint assemblies are connected with the butt joint assemblies. The butt joint assembly comprises a first connector and a second connector, the first connector is in a T shape, a round hole is formed in the second connector, and the first connector is inserted into the round hole of the second connector. According to the blood cell separator with the good sealing performance, when blood cells are separated and connected with other components, operation is conducted through the butt joint structure, only the first connector needs to be inserted into the second connector and rotated during butt joint, operation is convenient and fast, stability and reliability are achieved after butt joint, the sealing performance of the butt joints is guaranteed through cooperation of the sealing rings, and the sealing performance of the butt joints is improved. And the practicability of the device in use is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to blood cell separation technical field, concretely is a blood cell separator that good sealing. BACKGROUND

[0002] The separation of blood cells mainly adopts density gradient centrifugation method and filtering method, wherein the density gradient centrifugation method mainly adds density gradient separation liquid and high-speed centrifugation, and the density gradient separation liquid is unnecessary, so additional multiple separation and cleaning are required, and the high-speed centrifugation will damage the cell membrane due to shear force, and the cell viability will decrease in the later period;The filtering method is usually vertical filtering.

[0003] The patent "CN220098994U" discloses a blood cell separator and a blood cell separation and purification system, which comprises an upper shell and a lower shell, the upper shell is installed at the upper end of the lower shell, the bottom of the upper shell is inwardly recessed to form a curved liquid flow channel, a sample inlet and a sample outlet are arranged on the upper shell and communicate with the liquid flow channel, the sample inlet is connected with a sample inlet hose, and the sample outlet is connected with a sample outlet hose.

[0004] The patent improves the filtering effect and efficiency of the blood cell separator, and the existing blood cell separator is connected with other components through a hose during use, and the existing connection mode is mainly that the hose is inserted into the connector, and the stability after connection is low and leakage may occur. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a blood cell separator with good sealing, which solves the problem of instability of the existing blood cell separator after connection.

[0006] To achieve the above object, the utility model is realized by the following technical scheme: a blood cell separator with good sealing comprises an outer shell and two second hoses, a first hose is fixedly connected to the sample inlet and the sample outlet of the outer shell, the first hose and the second hose are connected through a butt joint structure, and the butt joint structure comprises:

[0007] The butt joint assembly comprises a first connector and a second connector, the shape of the first connector is T-shaped, a circular hole is formed in the second connector, the first connector is inserted into the circular hole of the second connector, a plurality of L-shaped grooves are equidistantly formed on the inner surface of the circular hole of the second connector in the circumferential direction, a rubber pad is arranged in the L-shaped groove, and a plurality of mounting blocks are equidistantly fixedly connected to the surface of the first connector in the circumferential direction.

[0008] The hose pressing assembly is arranged in two groups, and the two groups of hose pressing assemblies are arranged on the sides away from the first joint and the second joint respectively, and are used for pressing and fixing the first hose and the second hose.

[0009] Preferably, the L-shaped groove is formed by a vertical part and a horizontal part, and the rubber pad is fixed to the top of the inner wall of the horizontal part.

[0010] Preferably, the inner side of the first joint is fixedly connected with a tapered pipe, the surface of the tapered pipe is sleeved with a sealing ring, and the sealing ring is in a tapered shape.

[0011] Preferably, the hose pressing assembly comprises a lug pipe, the lug pipe is fixedly connected with the outer side of the first joint, and the surface of the lug pipe is provided with threads.

[0012] Preferably, the surface of the threads is threadedly connected with a pressing sleeve, the pressing sleeve is composed of an inner ring part and an outer ring part, the inner diameter of the outer ring part is greater than the diameter of the inner ring part, and a circular annular cavity is formed between the outer ring part and the lug pipe.

[0013] Preferably, the inside of the shell body is provided with a curved liquid flow channel, and the curved liquid flow channel is connected with the sample outlet and the sample inlet of the shell body.

[0014] Beneficial effects

[0015] The blood cell separator with good sealing has the following beneficial effects compared with the prior art.

[0016] 1. The blood cell separator with good sealing comprises a first joint and a second joint, the first joint is in a T shape, the second joint is internally provided with a circular hole, the first joint is inserted into the circular hole of the second joint, and the first joint is operated through the butt joint structure when the blood cell separation is connected with other components. The first joint is inserted into the second joint and rotated during butt joint, so that the operation is convenient and fast, the butt joint is stable and reliable after butt joint, the sealing of the butt joint is ensured through the cooperation of the sealing ring, and the practicality of the device during use is improved.

[0017] 2. The blood cell separator with good sealing comprises a lug pipe, the lug pipe is fixedly connected with the outer side of the first joint, the surface of the lug pipe is provided with threads, the butt joint structure can be separated and used continuously through the action of the pressing assembly when the blood cell separator is replaced, and the stability is further ensured through the pressing of the pressing assembly on the hose sleeved on the lug pipe. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an appearance schematic view of the utility model;

[0019] Figure 2 is a partial view of the utility model;

[0020] Figure 3 is a schematic view of the butt joint structure of the utility model;

[0021] Figure 4 is a schematic view of the first joint of the utility model;

[0022] Figure 5 is an enlarged view of A of the utility model.

[0023] In the figure: 1, outer shell; 2, first hose; 3, second hose; 4, butt joint assembly; 41, first joint; 42, second joint; 43, L-shaped groove; 44, rubber pad; 45, mounting block; 46, tapered tube; 47, sealing ring; 5, hose compression assembly; 51, convex head tube; 52, screw thread; 53, compression sleeve; 531, inner ring portion; 532, outer ring portion. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-5 The blood cell separator with good sealing provides a technical solution:

[0026] The first embodiment: including outer shell 1 and two second hoses 3, the hose 3 is connected with external processing equipment, the inside of outer shell 1 is provided with curved liquid flow channel, and the curved liquid flow channel is communicated with the sample outlet and sample inlet of outer shell 1, the sample inlet and sample outlet of outer shell 1 are fixedly connected with first hose 2, and the two first hoses 2 and second hoses 3 are connected through butt joint structure, and the butt joint structure comprises:

[0027] The docking assembly 4 includes a first joint 41 and a second joint 42. The first joint 41 is in the shape of a T, and the second joint 42 has a circular hole in the interior. The first joint 41 is inserted into the circular hole of the second joint 42. The inner surface of the circular hole of the second joint 42 is circumferentially and equidistantly provided with a plurality of L-shaped grooves 43, and the interior of the L-shaped grooves 43 is provided with rubber pads 44. The surface of the first joint 41 is circumferentially and equidistantly fixedly connected with a plurality of mounting blocks 45. The L-shaped grooves 43 have a vertical portion and a horizontal portion. The rubber pads 44 are fixed to the top of the inner wall of the horizontal portion. The inner side of the first joint 41 is fixedly connected with a conical tube 46. The surface of the conical tube 46 is sleeved with a sealing ring 47, and the sealing ring 47 is in the shape of a cone.

[0028] When connecting the blood cells with other components, the docking structure is operated. When docking, only the first joint 41 needs to be inserted into the second joint 42 and rotated. The operation is convenient and fast. After docking, it is stable and reliable. The sealing property of the docking joint is ensured by the cooperation of the sealing ring 47, and the practicality of the device during use is improved.

[0029] The second embodiment is mainly different from the first embodiment in that the hose pressing assembly 5 is provided with two groups. The two groups of hose pressing assemblies 5 are respectively arranged on the sides away from the first joint 41 and the second joint 42. The hose pressing assembly 5 is used for pressing and fixing the first hose 2 and the second hose 3. The hose pressing assembly 5 includes a lug tube 51 fixedly connected with the outer side of the first joint 41. The surface of the lug tube 51 is provided with threads 52. The threads 52 are screw-connected with a pressing sleeve 53. The pressing sleeve 53 is composed of an inner ring portion 531 and an outer ring portion 532. The inner diameter of the outer ring portion 532 is greater than the diameter of the inner ring portion 531. Therefore, a circular annular cavity is formed between the outer ring portion 532 and the lug tube 51.

[0030] When replacing the blood cell separator, the docking structure can be separated and continued to be used by the action of the pressing assembly 5. The hose sleeved on the lug tube 51 is pressed by the pressing assembly 5, which further ensures the stability.

[0031] In use, the first hose 2 and the second hose 3 are respectively sleeved on the convex tube 51 on the second joint 42 and the convex tube 51 on the first joint 41, the pressing sleeve 53 is rotated to make the pressing sleeve 53 close to the hose, so that the hose is pressed, when the blood cell separator is connected, the first joint 41 is inserted into the second joint 42, the tapered tube 46 enters the convex tube 51, and is sealed by the sealing ring 47, when the insertion is performed, the mounting block 45 is aligned with the vertical part of the L-shaped groove 43, after the insertion is completed, the first joint 41 is rotated to make the mounting block 45 enter the horizontal part of the L-shaped groove 43, when the mounting block 45 enters the horizontal part of the L-shaped groove 43, the position of the first joint 41 after the stop is stabilized by the action of the rubber pad 44.

[0032] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying that these entities or actions are in any way mutually exclusive or directional.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A blood cell separator with good sealing, comprising a housing (1) and two second hoses (3), characterized in that: The sample inlet and the sample outlet of the outer shell (1) are fixedly connected with a first hose (2), and the two first hoses (2) and the second hose (3) are connected through a docking structure. The docking assembly (4) comprises a first connector (41) and a second connector (42), the first connector (41) is in the shape of T, and the second connector (42) is internally provided with a circular hole, the first connector (41) is inserted into the circular hole of the second connector (42), the inner surface of the circular hole of the second connector (42) is circumferentially and equidistantly provided with a plurality of L-shaped grooves (43), and the L-shaped grooves (43) are internally provided with rubber pads (44), and the surface of the first connector (41) is circumferentially and equidistantly fixedly connected with a plurality of mounting blocks (45). The hose pressing assembly (5) is provided with two groups, and the two groups of hose pressing assemblies (5) are respectively arranged on the sides away from the first connector (41) and the second connector (42), and the hose pressing assembly (5) is used for pressing and fixing the first hose (2) and the second hose (3).

2. The blood cell separator of claim 1 wherein: The L-shaped groove (43) comprises a vertical part and a horizontal part, and the rubber pad (44) is fixed to the top of the inner wall of the horizontal part.

3. A blood cell separator with good sealing performance according to claim 1, characterized in that: The inner side of the first connector (41) is fixedly connected with a conical pipe (46), the surface of the conical pipe (46) is sleeved with a sealing ring (47), and the sealing ring (47) is in the shape of a cone.

4. The blood cell separator of claim 1 wherein: The hose pressing assembly (5) comprises a convex head pipe (51), the convex head pipe (51) is fixedly connected with the outer side of the first connector (41), and the surface of the convex head pipe (51) is provided with a thread (52).

5. The blood cell separator of claim 4 wherein: The surface of the thread (52) is threadedly connected with a pressing sleeve (53), the pressing sleeve (53) is composed of an inner ring part (531) and an outer ring part (532), the inner diameter of the outer ring part (532) is greater than the diameter of the inner ring part (531), and a circular annular cavity is formed between the outer ring part (532) and the convex head pipe (51).

6. The blood cell separator of claim 1 wherein: The inner side of the outer shell (1) is provided with a curved liquid flow channel, and the curved liquid flow channel is connected with the sample outlet and the sample inlet of the outer shell (1).

Citation Information

Patent Citations

  • Blood cell separator and blood cell separation and purification system

    CN220098994U