96-hole magnetic bar sleeve annealing jig

By designing a 96-well magnetic rod sleeve annealing fixture and utilizing the sealing assembly of the water inlet channel, water outlet channel, and soft rubber ring, the verticality of the 96-well magnetic rod sleeve was improved, solving the problem of insufficient verticality and ensuring the accuracy of nucleic acid extraction.

CN223176156UActive Publication Date: 2025-08-01KANGRONG BIOTECHNOLOGY (TAICANG) CO LTD
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Patent Information

Application Number
CN202422498535.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-08-01
Estimated Expiration
2034-10-16

AI Technical Summary

Technical Problem

The existing 96-well magnetic rod sleeve has insufficient verticality, which causes the magnetic beads to easily fall off during nucleic acid extraction, affecting the quality of the extracted data.

Method used

A 96-hole magnetic rod sleeve annealing fixture was designed, including a lower placement part, an upper connecting part, and a cooling assembly. Stable water supply and cooling are achieved through the cooperation of water inlet channel, water outlet channel, and through groove. Combined with the sealing assembly of soft rubber ring and cooling needle, the verticality and stability of the 96 columns are improved.

Benefits of technology

The perpendicularity of the 96-well magnetic rod sleeve was less than 0.3mm, which optimized the perpendicularity and stress release of the product, prevented secondary deformation at room temperature, and improved the accuracy of nucleic acid extraction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a 96-hole magnetic bar sleeve annealing jig. The 96-hole magnetic bar sleeve annealing jig comprises a lower placing piece, an upper connecting piece and 96 groups of cooling assemblies, the upper connecting piece is arranged above the lower placing piece; and the cooling assembly is arranged on the lower placing piece, penetrates through the upper connecting piece and is used for cooling and annealing. According to the 96-hole magnetic bar sleeve annealing jig, the product pressure maintaining pressure is guaranteed, and the perpendicularity of 96 cylinders of a 96-hole magnetic bar sleeve is improved through auxiliary optimization; and meanwhile, stress release is promoted, and secondary deformation of the product at room temperature is prevented.
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Description

Technical Field

[0001] The utility model belongs to the field of annealing fixtures, and particularly relates to a 96-hole magnetic rod sleeve annealing fixture. Background Art

[0002] In biomedical research and clinical diagnosis, nucleic acid extraction is a crucial experimental step. To improve the efficiency and accuracy of this process, 96-hole magnetic rod sleeves have become important tools in modern laboratories.

[0003] When the 96-hole magnetic rod sleeve is used in cooperation with a deep well plate, if the perpendicularity of the 96 cylinders of the 96-hole magnetic rod sleeve is not good, it will touch the inner wall of the deep well plate during nucleic acid extraction, resulting in magnetic beads falling into the deep well plate during extraction, and the nucleic acid extraction data will be very poor.

[0004] Some customers have proposed that the perpendicularity of the 96-hole magnetic rod sleeve must be within 0.3 mm to be acceptable, and the best perpendicularity of the magnetic rod sleeves produced on the market is only less than 0.5 mm. Summary of the Utility Model

[0005] Purpose of the utility model: To overcome the above deficiencies, the purpose of the utility model is to provide a 96-hole magnetic rod sleeve annealing fixture, which can meet the strict requirement of perpendicularity less than 0.3 mm, assist in optimizing and improving the perpendicularity of the 96 cylinders of the 96-hole magnetic rod sleeve; at the same time, promote stress release and prevent secondary deformation of the product at room temperature.

[0006] Technical solution: To achieve the above purpose, the utility model provides a 96-hole magnetic rod sleeve annealing fixture, which includes a lower placement part, an upper connecting part and 96 groups of cooling components; the upper connecting part is arranged above the lower placement part; the cooling components are arranged on the lower placement part and pass through the upper connecting part for cooling annealing.

[0007] Furthermore, the lower placement part includes a lower placement plate, and the lower placement plate is provided with a plurality of groups of water inlet channels and water outlet channels; both the water inlet channels and the water outlet channels are open at one end; the water outlet channels are arranged above the water inlet channels, and a plurality of through grooves are arranged between them. The cooperation of the water inlet channels, the water outlet channels and the through grooves ensures that water can flow in the lower placement plate to stably supply water for subsequent cooling.

[0008] Furthermore, the through grooves include a first through groove and a second through groove; both the first through groove and the second through groove are cylindrical empty grooves; the second through groove is arranged above the first through groove; the radius of the second through groove is slightly larger than that of the first through groove. The cooperation of the first through groove and the second through groove ensures water supply and provides a guiding direction for the water flow.

[0009] Further, the lower placement member further includes a number of soft rubber rings; the upper surface of the lower placement plate is provided with a number of through holes and grooves; the through holes are located in the middle of the grooves; the soft rubber rings are arranged in the grooves on the upper surface of the lower placement plate and are arranged along the inner circumferential surface of the grooves. The setting of the soft rubber rings provides a basis for subsequent sealing operations.

[0010] Further, the cooling assembly includes a cooling spray pipe and a cooling needle; the cooling spray pipe passes through the through hole on the upper surface of the lower placement plate, and the lower end is arranged in the second through groove; the radius of the cooling spray pipe is slightly smaller than the radius of the through hole; the cooling needle is sleeved on the cooling spray pipe, and the lower port of the cooling needle is located above the soft rubber ring. The sleeved method facilitates the disassembly and replacement of components and is convenient for maintenance and repair.

[0011] Further, the soft rubber ring and the groove cooperate with the lower port of the cooling needle to complete the sealing assembly. The sealing assembly ensures stable water pressure and keeps the temperature of the cooling needle stable.

[0012] Further, the upper connecting member includes an upper connecting plate and a number of connecting columns; the upper connecting plate is connected to the lower placement plate through the connecting columns. The upper connecting member cooperates with the connecting columns to ensure the stability of the annealing jig.

[0013] Further, the present utility model provides a 96-hole magnetic rod sleeve annealing jig, which further includes: a 96-hole magnetic sleeve, and the 96-hole magnetic sleeve is sleeved on the cooling assembly.

[0014] From the above technical solutions, the present utility model has the following beneficial effects:

[0015] 1. For the 96-hole magnetic rod sleeve annealing jig of the present utility model, through the setting of the water inlet channel and the water outlet channel, and in cooperation with the through groove, it is ensured that the water flow can flow in the lower placement plate, providing stable water supply for cooling;

[0016] 2. For the 96-hole magnetic rod sleeve annealing jig of the present utility model, the soft rubber ring and the groove cooperate with the lower port of the cooling needle to complete the sealing assembly, ensuring the pressure holding of the product and assisting in optimizing and improving the perpendicularity of the 96 columns of the 96-hole magnetic rod sleeve. Description of the Drawings

[0017] Figure 1 It is a schematic structural diagram of a 96-hole magnetic rod sleeve annealing jig described in the present utility model;

[0018] Figure 2 It is a schematic cross-sectional view of a 96-hole magnetic rod sleeve annealing jig described in the present utility model;

[0019] Figure 3 It is a partial structural cross-sectional view of a 96-hole magnetic rod sleeve annealing jig described in the present utility model;

[0020] Figure 4Explosion diagram of the partial structure of a 96-hole magnetic rod sleeve annealing fixture according to the present utility model;

[0021] Figure 5 Enlarged view of the partial structure of a 96-hole magnetic rod sleeve annealing fixture according to the present utility model;

[0022] Figure 6 Assembly drawing of the partial structure of a 96-hole magnetic rod sleeve annealing fixture according to the present utility model;

[0023] Figure 7 Top view of a 96-hole magnetic rod sleeve annealing fixture according to the present utility model;

[0024] In the figure:

[0025] 1 - Placing member; 11 - Lower placing plate; 12 - Soft rubber ring;

[0026] 111 - Water inlet channel; 112 - Water outlet channel; 113 - Through slot; 114 - Through hole; 115 - Groove;

[0027] 1131 - First through slot; 1132 - Second through slot;

[0028] 2 - Upper connecting member; 21 - Upper connecting plate; 22 - Connecting column;

[0029] 3 - Cooling assembly; 31 - Cooling spray pipe; 32 - Cooling needle;

[0030] 4 - 96-hole magnetic sleeve. Detailed implementation manner

[0031] The following details the embodiments of the present utility model. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation of the present utility model.

[0032] Embodiment 1

[0033] In this embodiment, as Figure 1 , the present utility model discloses a 96-hole magnetic rod sleeve annealing fixture, including: a lower placing member 1, an upper connecting member 2, and 96 groups of cooling assemblies 3; the upper connecting member 2 is disposed above the lower placing member 1; the cooling assemblies 3 are disposed on the lower placing member 1 and pass through the upper connecting member 2 for cooling annealing.

[0034] In this embodiment, as Figure 1 and Figure 2, the lower placing member 1 includes a lower placing plate 11, and several groups of water inlet channels 111 and water outlet channels 112 are provided in the lower placing plate 11; both the water inlet channels 111 and the water outlet channels 112 are open at one end; the water outlet channels 112 are arranged above the water inlet channels 111, and several through slots 113 are provided between them.

[0035] Specifically, the lower placing plate 11 can be made by various manufacturing processes, such as metal processing, plastic molding, etc.; the water inlet channels 111, the water outlet channels 112, and the through slots 113 can be directly formed during the manufacturing process, or later formed by machining methods such as milling and laser cutting.

[0036] Embodiment 2

[0037] Based on Embodiment 1, in this embodiment, as Figure 1 , Figure 2 and Figure 3 , the present utility model discloses a 96-well magnetic rod sleeve annealing jig, and the through slot 113 includes a first through slot 1131 and a second through slot 1132; both the first through slot 1131 and the second through slot 1132 are cylindrical empty slots; the second through slot 1132 is arranged above the first through slot 1131; the radius of the second through slot 1132 is slightly larger than the radius of the first through slot 1131.

[0038] Specifically, mechanical processing such as lathe processing or 3D printing technology can be selected to manufacture the cylindrical through slots.

[0039] In this embodiment, as Figure 4 and Figure 5 , the lower placing member 1 further includes several soft rubber rings 12; several through holes 114 and grooves 115 are provided on the upper surface of the lower placing plate 11; the through holes 114 are located in the middle of the grooves 115; the soft rubber rings 12 are arranged in the grooves 115 on the upper surface of the lower placing plate 11 and are arranged along the inner circumferential surface of the grooves 115.

[0040] In this embodiment, as Figures 2 to 6 , the cooling assembly 3 includes a cooling spray pipe 31 and a cooling needle 32; the cooling spray pipe 31 passes through the through hole 114 on the upper surface of the lower placing plate 11, and the lower end is arranged in the second through slot 1132; the radius of the cooling spray pipe 31 is slightly smaller than the radius of the through hole 114; the cooling needle 32 is sleeved on the cooling spray pipe 31, and the lower port of the cooling needle 32 is located above the soft rubber ring 12.

[0041] Particularly, the cooling needle 32 is selected to be made of a material with good heat conduction performance, such as copper or stainless steel, etc.

[0042] In this embodiment, as Figures 4 to 6 , the soft rubber ring 12 and the groove 115 cooperate with the lower port of the cooling needle 32 to complete the sealing assembly.

[0043] Specifically, the soft rubber ring 12 is selected to be made of rubber or other elastic materials and can be formed by a mold.

[0044] In this embodiment, as Figure 1 and Figure 7 , the upper connecting member 2 includes an upper connecting plate 21 and a plurality of connecting columns 22; the upper connecting plate 21 is connected to the lower placing plate 11 through the connecting columns 22.

[0045] Specifically, after the lower placing member 1, the upper connecting member 2 and the 96 cooling components 3 are assembled, screws can be selected for reinforcement connection to assemble this annealing jig.

[0046] In this embodiment, as Figure 1 and Figure 7 , it further includes: a 96-hole magnetic sleeve 4, and the 96-hole magnetic sleeve 4 is sleeved on the cooling component 3.

[0047] The working principle of the above embodiment is as follows:

[0048] The utility model discloses a 96-hole magnetic rod sleeve annealing jig. The water inlet channel 111 accesses 55-degree hot water, and the water flow sequentially passes through: the water inlet channel 111, the first through groove 1131, the inside of the cooling spray pipe 31, the space between the cooling needle 32 and the cooling spray pipe 31, the space between the through hole 114 and the cooling needle 32, and the water outlet channel 112; after the water flow in the water inlet channel 111 and the water outlet channel 112 is uniform, the annealing operation is started and lasts for two minutes; after the annealing is completed, the water flow stops, and the 96-hole magnetic sleeve 4 is taken down to complete the annealing.

[0049] The above is only the preferred embodiment of the utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the utility model, several improvements can still be made, and these improvements should also be regarded as the protection scope of the utility model.

Claims

1. A 96-well magnetic rod sleeve annealing fixture, characterized in that: Including: A lower placing member (1) and an upper connecting member (2), the upper connecting member (2) being disposed above the lower placing member (1); 96 groups of cooling components (3), the cooling components (3) being disposed on the lower placing member (1) and passing through the upper connecting member (2) for annealing cooling.

2. The annealing fixture for the 96-well magnetic rod sleeve according to claim 1, characterized in that: The lower placing member (1) includes a lower placing plate (11), and a plurality of groups of water inlet channels (111) and water outlet channels (112) are provided in the lower placing plate (11); both the water inlet channels (111) and the water outlet channels (112) are open at one end; the water outlet channels (112) are disposed above the water inlet channels (111), and a plurality of through slots (113) are provided therebetween.

3. The annealing fixture for the 96-well magnetic rod sleeve according to claim 2, wherein: The through slots (113) include a first through slot (1131) and a second through slot (1132); Both the first through slot (1131) and the second through slot (1132) are cylindrical empty slots; the second through slot (1132) is disposed above the first through slot (1131); the radius of the second through slot (1132) is slightly larger than the radius of the first through slot (1131).

4. The annealing fixture for the 96-well magnetic rod sleeve according to claim 3, characterized in that: The lower placing member (1) further includes a plurality of soft rubber rings (12); a plurality of through holes (114) and grooves (115) are provided on the upper surface of the lower placing plate (11); the through holes (114) are located in the middle of the grooves (115); The soft rubber rings (12) are disposed in the grooves (115) on the upper surface of the lower placing plate (11) and are arranged along the inner circumferential surface of the grooves (115).

5. The annealing fixture for the 96-well magnetic rod sleeve according to claim 4, characterized in that: The cooling component (3) includes a cooling spray pipe (31) and a cooling needle (32); The cooling spray pipe (31) passes through the through hole (114) on the upper surface of the lower placing plate (11), and the lower end is disposed in the second through slot (1132); the radius of the cooling spray pipe (31) is slightly smaller than the radius of the through hole (114); the cooling needle (32) is sleeved on the cooling spray pipe (31), and the lower port of the cooling needle (32) is located above the soft rubber ring (12).

6. The annealing fixture for the 96-well magnetic rod sleeve according to claim 5, wherein: The soft rubber ring (12) and the groove (115) cooperate with the lower port of the cooling needle (32) to complete the sealing assembly.

7. The annealing fixture for the 96-well magnetic rod sleeve according to claim 2, wherein: The upper connecting member (2) includes an upper connecting plate (21) and a plurality of connecting columns (22); The upper connecting plate (21) is connected to the lower placing plate (11) through the connecting columns (22).

8. The annealing fixture for the 96-well magnetic rod sleeve according to claim 1, characterized in that: Also including: A 96-hole magnetic sleeve (4), the 96-hole magnetic sleeve (4) being sleeved on the cooling component (3).