A multi-specimen tube compatible centrifuge adapter

Abstract

The utility model relates to centrifuge adapter technical field especially, it relates to a kind of multi-specification sample tube compatible's centrifuge adapter, solve the centrifuge adapter compatibility of the problem of being poor, operation cumbersome that current laboratory is generally used.A kind of multi-specification sample tube compatible's centrifuge adapter, including outer adapter pipe, top ring is equipped on outer adapter pipe, top ring two sides are symmetrically equipped with arch body, inner nesting sleeve is inserted into outer adapter pipe, inner nesting sleeve is inserted into inner cylinder, the upper surface of top ring is symmetrically provided with sector recess, the sector block is equipped with clamping groove, the upper end of inner cylinder is symmetrically provided with the clamping block matched with clamping groove, the clamping of inner cylinder and inner nesting sleeve is fixed, clamping block is equipped in arch body, inner nesting sleeve, inner cylinder upper end is symmetrically provided with positioning lug, positioning lug is equipped with positioning hole.The utility model uses good compatibility, modular design application is convenient.

Description

Technical Field

[0001] This utility model relates to the field of centrifuge adapter technology, and in particular to a centrifuge adapter compatible with multiple sample tube sizes. Background Technology

[0002] Centrifuges are fundamental equipment used in biological, chemical, and medical laboratories to separate components in liquid mixtures. Sample tubes (or centrifuge tubes) are the core carriers for centrifugation operations. They come in various sizes, commonly including 50mL, 15mL, 5mL, and 2mL, corresponding to different diameters and heights. Centrifuges generate centrifugal force by rotating the test tubes through a rotor. Because the outer diameters of sample tubes of different sizes vary significantly, it is necessary to use an adapter that matches the size to securely place the sample tubes in the rotor holes, preventing them from shaking, breaking, or even falling out during high-speed operation, thus ensuring the safety of the centrifugation process and the effective separation of samples.

[0003] Currently, the centrifuge adapters commonly used in laboratories are mainly single-size fixed adapters, meaning that one adapter can only accommodate sample tubes of a specific diameter, resulting in poor compatibility. A centrifuge usually needs to be equipped with multiple sizes of adapters to meet different experimental needs. When it is necessary to change the size of the centrifuge sample tubes, the operator must stop the machine and replace the entire rotor or all adapters, which is a cumbersome process and seriously affects work efficiency.

[0004] To address this, a centrifuge adapter compatible with multiple sample tube sizes is proposed. Utility Model Content

[0005] The purpose of this invention is to solve the problems of poor compatibility, cumbersome operation, and low efficiency of centrifuge adapters commonly used in laboratories. This invention provides a centrifuge adapter compatible with multiple sample tube sizes.

[0006] To achieve the above objectives, this utility model specifically adopts the following technical solution: A centrifuge adapter compatible with multiple sample tube sizes includes an outer adapter tube with a top ring and symmetrically arranged arched bodies on both sides of the top ring. An inner nested tube is inserted into the outer adapter tube, and an inner cylinder is inserted into the inner nested tube. The outer adapter tube, inner nested tube, and inner cylinder respectively accommodate sample tubes of different sizes. The upper surface of the top ring has symmetrically arranged fan-shaped grooves. The upper end of the inner nested tube has a corresponding fan-shaped block that can be embedded in the fan-shaped groove. The fan-shaped block has a slot. The upper end of the inner cylinder has symmetrically arranged locking blocks that cooperate with the slots to achieve locking and fixing of the inner cylinder and the inner nested tube. The arched body has a locking mechanism. The upper ends of the inner nested tube and the inner cylinder have symmetrically arranged positioning lugs with positioning holes.

[0007] As an improvement, the inner nesting cylinder and the inner cylinder can be further fitted inward after being compressed radially.

[0008] As an improvement, weight-reducing holes are distributed on the walls of the outer adapter tube, the inner nesting tube, and the inner tube.

[0009] As an improvement, the locking mechanism includes a locking post, which is slidably connected to a positioning hole. The locking post extends to the inner side of the arch and is provided with a pull plate. A spring is provided between the pull plate and the arch and sleeved on the outer side of the locking post.

[0010] As an improvement, the adapter has several rubber rings on its outer side from top to bottom.

[0011] As an improvement, the outer adapter tube, inner nesting tube, and inner tube are all provided with corresponding markings to indicate the matching specifications.

[0012] The beneficial effects of this utility model are as follows: 1. It has good compatibility and modular design, making it easy to use. Through the multi-layer nested structure of the outer adapter tube, inner nested tube and inner tube, users can flexibly adapt to a variety of mainstream sample tubes during operation. 2. Improve the stability of the test tube during centrifugation. The cooperation between the fan-shaped groove and the fan-shaped block effectively prevents the inner nested tube from rotating relative to the outer adapter tube. The cooperation between the slot and the block effectively prevents the inner tube from rotating relative to the inner nested tube. The locking post of the locking mechanism inserts into the positioning hole, providing additional circumferential locking. Attached Figure Description

[0013] Figure 1 This is an exploded structural diagram of the present invention; Figure 2 This is a top view of the external adapter tube of this utility model; Figure 3 This is a schematic diagram of the assembly structure of this utility model; Figure 4 This is a schematic diagram of the usage state of this utility model; Reference numerals in the attached diagram: 1. Outer adapter tube; 2. Top ring; 3. Arched body; 4. Inner nested cylinder; 5. Inner cylinder; 6. Fan-shaped groove; 7. Fan-shaped block; 8. Slot; 9. Locking block; 10. Positioning lug; 11. Positioning hole; 12. Weight reduction hole; 13. Locking post; 14. Pull plate; 15. Spring; 16. Rubber ring; 17. Marking. Detailed Implementation

[0014] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0015] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0016] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0017] In the description of the embodiments of this utility model, it should be noted that the terms "inner", "outer", "upper", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0018] Reference Figure 1-4 A centrifuge adapter compatible with multiple sample tube sizes includes an outer adapter tube 1, an inner nested tube 4, and an inner tube 5. The upper end of the outer adapter tube 1 is provided with an integrally formed top ring 2, which serves as the main support and positioning component of the entire adapter. On both sides of the top ring 2, there are symmetrically arranged upward-protruding arched bodies 3, and the interior of the arched bodies 3 is a hollow structure.

[0019] The outer adapter tube 1 has the largest inner diameter and is used to directly accommodate the largest sample tube. The inner nesting cylinder 4 can be inserted into the outer adapter tube 1, and its outer diameter matches the inner diameter of the outer adapter tube 1. Its inner diameter is designed to accommodate medium-sized sample tubes. The inner cylinder 5 can be inserted into the inner nesting cylinder 4 to accommodate small-sized sample tubes. By choosing to use the outer adapter tube 1 alone, the outer adapter tube 1 and the inner nesting cylinder 4 together, or the three-layer structure together, three different sizes of sample tubes can be flexibly adapted (the inner nesting cylinder and the inner cylinder can be compressed radially and then installed inward as new components), which greatly improves the efficiency and flexibility of the centrifuge rotor.

[0020] To ensure the circumferential positioning of the inner nesting cylinder 4 within the outer adapter tube 1 and to prevent it from rotating during centrifugation, two fan-shaped grooves 6 are symmetrically formed on the upper surface of the top ring 2. Correspondingly, a fan-shaped block 7 is integrally formed on the upper outer edge of the inner nesting cylinder 4, which can fit into the fan-shaped grooves 6. When the inner nesting cylinder 4 is inserted into the outer adapter tube 1 to the bottom, the inner nesting cylinder 4 is rotated so that its fan-shaped block 7 is aligned and falls into the fan-shaped grooves 6 of the top ring 2, thereby achieving precise engagement and circumferential fixation between the two.

[0021] Similarly, in order to fix the inner cylinder 5 in the inner nested cylinder 4, a slot 8 is provided on the upper surface of the sector block 7, and a pair of locking blocks 9 that can cooperate with the slot 8 are symmetrically arranged at the upper end of the inner cylinder 5. When the inner cylinder 5 is inserted into the inner nested cylinder 4, the inner cylinder 5 is rotated so that the locking blocks 9 on it slide into and lock into the slot 8 of the sector block 7, thereby achieving reliable locking and fixing of the inner cylinder 5 and the inner nested cylinder 4.

[0022] To further improve the stability of the entire adapter within the centrifuge rotor hole and prevent jumping or displacement during high-speed rotation, a locking mechanism is provided inside the arched body 3, and positioning lugs 10 are symmetrically provided at the upper ends of the inner nested cylinder 4 and the inner cylinder, with positioning holes 11 provided on the positioning lugs 10.

[0023] Specifically, the locking mechanism includes a locking post 13, a pull plate 14, and a spring 15. The locking post 13 is slidably inserted through the side wall of the arched body 3, with its inner end extending into the interior of the arched body 3 and connected to the pull plate 14. Its outer end protrudes from the arched body 3. The spring 15 is sleeved on the section of the locking post 13 located inside the arched body 3, with its two ends abutting against the inner wall of the arched body 3 and the pull plate 14, respectively, providing a continuous outward pushing force to the locking post 13. In its natural state, the outer end of the locking post 13 protrudes from the outer wall of the arched body 3 and can be inserted into the positioning hole 11. When it is necessary to insert or remove the adapter from the rotor, the pull plate 14 is pulled out to retract the locking post 13 for easy operation.

[0024] To reduce the overall weight of the adapter, decrease the load on the centrifuge, and facilitate observation of the sample tubes, multiple evenly distributed weight-reduction holes 12 are machined on the walls of the outer adapter tube 1, the inner nesting tube 4, and the inner tube 5, achieving maximum weight reduction while ensuring structural strength.

[0025] To further enhance the stability of the adapter within the rotor bore and prevent slippage during high-speed operation, several rubber rings 16 are fitted around the outside of the adapter from top to bottom. The rubber rings 16 provide additional friction and cushioning, allowing the adapter to be placed more securely within the centrifuge rotor.

[0026] To facilitate quick identification and matching of components by users, corresponding markings 17 are provided in prominent positions on the top ring 2 or the upper outer wall of the outer adapter tube 11, the inner nested tube 44, and the inner tube 55. The markings 17 can be numbers (such as 50, 15, 5), color codes (such as blue, green, yellow), or text, to clearly indicate the sample tube specifications that the component is compatible with, and to avoid misuse.

Claims

1. A centrifuge adapter compatible with multiple sample tube sizes, characterized in that, Includes an outer adapter tube (1), a top ring (2) on the outer adapter tube (1), arched bodies (3) symmetrically arranged on both sides of the top ring (2), an inner nested tube (4) inserted into the outer adapter tube (1), an inner tube (5) inserted into the inner nested tube (4), the outer adapter tube (1), the inner nested tube (4), and the inner tube (5) respectively accommodate sample tubes of different specifications, and fan-shaped grooves (6) symmetrically opened on the upper surface of the top ring (2), the upper end of the inner nested tube (4) Correspondingly, a fan-shaped block (7) is provided that can be embedded in the fan-shaped groove (6). The fan-shaped block (7) is provided with a slot (8). The upper end of the inner cylinder (5) is symmetrically provided with a locking block (9) that cooperates with the slot (8) to realize the locking and fixing of the inner cylinder (5) and the inner nested cylinder (4). The arched body (3) is provided with a locking mechanism. The upper end of the inner nested cylinder (4) and the inner cylinder is symmetrically provided with positioning lugs (10). The positioning lugs (10) are provided with positioning holes (11).

2. A centrifuge adapter compatible with multiple sample tube sizes according to claim 1, characterized in that, The inner nested cylinder (4) and the inner cylinder (5) can be further fitted inward after being compressed radially.

3. A centrifuge adapter compatible with multiple sample tube sizes according to claim 1, characterized in that, The outer adapter tube (1), the inner nested tube (4), and the inner tube are all provided with weight-reducing holes (12).

4. A centrifuge adapter compatible with multiple sample tube sizes according to claim 1, characterized in that, The locking mechanism includes a locking post (13), which is slidably connected to a positioning hole (11). The locking post (13) extends to the inner side of the arch (3) and is provided with a pull plate (14). A spring (15) is provided between the pull plate (14) and the arch (3) and sleeved on the outside of the locking post (13).

5. A centrifuge adapter compatible with multiple sample tube sizes according to claim 1, characterized in that, The adapter has several rubber rings (16) on its outer side from top to bottom.

6. A centrifuge adapter compatible with multiple sample tube sizes according to claim 1, characterized in that, The outer adapter tube (1), inner nesting tube (4), and inner tube (5) are all provided with corresponding markings (17) to indicate matching specifications.

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