A blood centrifuge with easy-to-change rotating basket

Abstract

This utility model relates to the field of blood centrifuge technology and discloses a blood centrifuge with an easy-to-replace rotating basket. It includes a rotating basket component, with a replacement assembly at the lower end of the rotating basket component. The replacement assembly includes an externally threaded ring fitted onto the lower end of the rotating basket component, with an internally threaded ring threaded onto the outer side of the externally threaded ring. An externally threaded plate is rotatably connected to the upper end of the externally threaded ring via an adapter. A locking block is fixedly connected to the end of the externally threaded plate away from the externally threaded ring, and the end of the locking block away from the externally threaded plate is inserted into the rotating basket component. A first limiting groove is formed inside the upper end of the internally threaded ring, and a second limiting groove and a third limiting groove are formed at the lower end of the first and second limiting grooves, respectively. The first, second, and third limiting grooves are vertically connected. The rotating basket component can be quickly replaced through the replacement assembly, while simultaneously improving the stability after installation and reducing operational shaking caused by poor installation constraints.

Description

Technical Field

[0001] This utility model relates to the field of blood centrifuge technology, specifically to a blood centrifuge with an easy-to-change rotating basket. Background Technology

[0002] A blood centrifuge is a device that separates blood using centrifugal force. The rotating basket is made of corrosion-resistant metal or high-strength plastic, and is usually cylindrical with multiple slots inside for holding centrifuge tubes.

[0003] A search revealed Chinese application CN202322647047.4, which proposes a blood centrifuge with an easy-to-replace centrifuge tray to solve the technical problem of the centrifuge tray being difficult to replace in practical applications. The centrifuge utilizes a sliding block located in the middle of a limiting block. When the drive ring rotates clockwise from top to bottom, the sliding block is pulled by the linkage block, sliding to the horizontal end of the Y-shaped slot to form a latch and indirectly drive the main body to rotate. During installation, the Y-shaped slot on the main body is aligned with the limiting block on the connecting ring and pressed down, then rotated counterclockwise from top to bottom until it locks in place. During disassembly, the main body is rotated clockwise from top to bottom until the sliding block returns to the slot in the middle of the limiting block, and then the main body is lifted vertically upwards.

[0004] In the aforementioned prior art, the Y-shaped slot on the main body is used to lock the limiting block, thereby enabling quick installation and removal of the rotating basket in the blood centrifuge. The rotating basket is fixed by inserting a rotatable sliding block into the slot. Although this fixing method is relatively convenient for replacement, since the sliding block needs to be inserted into the slot, the diameter of the slot hole must be larger than the sliding block. Simply relying on multiple sets of sliding blocks for fixing results in relatively poor stability, which can easily cause shaking during operation and affect the subsequent operation of the rotating basket. Summary of the Invention

[0005] The purpose of this invention is to provide a blood centrifuge with an easy-to-replace rotating basket, solving the problem that the existing blood centrifuge's rotating basket replacement method has poor installation restrictions, which easily causes the rotating basket to shake during subsequent operation.

[0006] This utility model provides the following technical solution: a blood centrifuge that facilitates the replacement of the rotating basket, including a rotating basket component, wherein a replacement assembly is provided at the lower end of the rotating basket component, and the replacement assembly includes an external threaded ring sleeved at the lower end of the rotating basket component, wherein an internal threaded ring is engaged on the outer side of the external threaded ring.

[0007] The above technical solution allows for the restriction of multiple sets of external threaded plates using an internal threaded ring.

[0008] As a preferred embodiment of the above technical solution, the upper end of the external threaded ring is rotatably connected to an external threaded plate via an adapter, and a locking block is fixedly connected to the end of the external threaded plate away from the external threaded ring. The end of the locking block away from the external threaded plate is inserted into the rotating basket component.

[0009] The above technical solution utilizes an external threaded plate and a locking block to initially restrict the positioning of the rotating basket component.

[0010] As a preferred embodiment of the above technical solution, a first limiting groove is provided inside the upper end of the internal threaded ring, and a second limiting groove is provided at the lower end of the first limiting groove, and a third limiting groove is provided at the lower end of the second limiting groove.

[0011] The above technical solution allows the clamping plate to be positioned using the first limiting groove, the second limiting groove, and the third limiting groove, thereby restricting the internal threaded ring.

[0012] As a preferred embodiment of the above technical solution, the first limiting groove, the second limiting groove, and the third limiting groove are vertically connected, and the first limiting groove and the second limiting groove are perpendicular to each other.

[0013] As a preferred embodiment of the above technical solution, a card plate is inserted inside the second limiting groove, and a connecting rod is fixedly connected to the upper end of the card plate, and a pressure plate is fixedly connected to the upper end of the connecting rod.

[0014] The above technical solution allows the pressure plate to drive the card plate and connecting rod to rotate and adjust.

[0015] As a preferred embodiment of the above technical solution, the upper end of the pressure plate is rotatably connected to a plug rod via a flange, and a spring is fixedly connected to the upper end of the plug rod. A sleeve is fixedly connected to the outer side of the upper end of the spring, and the lower end of the sleeve is sleeved on the outer side of the plug rod.

[0016] The above technical solution utilizes the elastic potential energy of the spring to pull the plate and connecting rod back to their original positions.

[0017] As a preferred embodiment of the above technical solution, a support plate is fixedly connected to the upper end of the sleeve, and a base plate is fixedly connected to the lower end of the support plate, with the inner side of the base plate fixedly connected to the outer side of the external threaded ring.

[0018] The above technical solution uses a support plate and a base plate to support and fix the sleeve, etc.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] This blood centrifuge features an easy-to-change rotating basket. By replacing components, the rotating basket can be quickly replaced, improving post-installation stability and reducing operational shaking caused by poor installation constraints. Attached Figure Description

[0021] Figure 1 A schematic diagram of a three-dimensional structure for a blood centrifuge that facilitates basket replacement;

[0022] Figure 2 A schematic diagram of the overall cross-sectional structure of a blood centrifuge that facilitates basket replacement;

[0023] Figure 3 This is an enlarged schematic diagram of the partial structure of the first, second, and third limiting grooves of a blood centrifuge that facilitates basket replacement;

[0024] Figure 4 This is an enlarged schematic diagram of a portion of the plate of a blood centrifuge designed for easy basket replacement.

[0025] In the diagram: 1. Rotating basket component; 21. External threaded ring; 22. Internal threaded ring; 23. External threaded plate; 24. Clamping block; 25. First limiting groove; 26. Second limiting groove; 27. Third limiting groove; 28. Clamping plate; 29. ​​Connecting rod; 210. Pressure plate; 211. Insert rod; 212. Spring; 213. Sleeve; 214. Support plate; 215. Base plate. Detailed Implementation

[0026] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0027] like Figure 1 - Figure 4 As shown, this utility model provides a technical solution: a blood centrifuge with an easy-to-replace rotating basket, including a rotating basket component 1. The lower end of the rotating basket component 1 is provided with a replacement component, and the replacement component includes an external threaded ring 21 sleeved on the lower end of the rotating basket component 1. An internal threaded ring 22 is engaged on the outer thread of the external threaded ring 21. The rotating basket component 1 can be quickly replaced by the replacement component, while improving the stability after installation and reducing the shaking caused by poor installation restrictions.

[0028] like Figure 1 and Figure 2 As shown, the upper end of the external threaded ring 21 is rotatably connected to the external threaded plate 23 via an adapter, and the end of the external threaded plate 23 away from the external threaded ring 21 is fixedly connected to the locking block 24. The end of the locking block 24 away from the external threaded plate 23 is inserted into the rotating basket component 1. The external threaded plate 23 drives the locking block 24 to be inserted into the rotating basket component 1, thus initially locking and restricting the rotating basket component 1.

[0029] like Figure 3As shown, the upper end of the internal threaded ring 22 has a first limiting groove 25, and the lower end of the first limiting groove 25 has a second limiting groove 26, and the lower end of the second limiting groove 26 has a third limiting groove 27. The first limiting groove 25, the second limiting groove 26 and the third limiting groove 27 are used to lock and restrict the position of the card plate 28.

[0030] like Figure 3 As shown, the first limiting groove 25, the second limiting groove 26 and the third limiting groove 27 are vertically connected, and the first limiting groove 25 and the second limiting groove 26 are perpendicular to each other.

[0031] like Figure 4 As shown, a retaining plate 28 is inserted inside the second limiting groove 26, and a connecting rod 29 is fixedly connected to the upper end of the retaining plate 28. A pressure plate 210 is fixedly connected to the upper end of the connecting rod 29. The pressure plate 210 drives the connecting rod 29 and the retaining plate 28 to be inserted into the second limiting groove 26 to lock and limit the internal threaded ring 22.

[0032] like Figure 2 As shown, the upper end of the pressure plate 210 is rotatably connected to the insertion rod 211 via a flange, and the upper end of the insertion rod 211 is fixedly connected to the spring 212. The outer side of the upper end of the spring 212 is fixedly connected to the sleeve 213, and the lower end of the sleeve 213 is sleeved on the outer side of the insertion rod 211. The insertion rod 211 stretches the spring 212 under the restriction of the sleeve 213, so as to drive the pressure plate 210 and the clamping plate 28 to move by means of the elastic potential energy of the spring 212.

[0033] like Figure 1 and Figure 2 As shown, a support plate 214 is fixedly connected to the upper end of the sleeve 213, and a base plate 215 is fixedly connected to the lower end of the support plate 214. The inner side of the base plate 215 is fixedly connected to the outer side of the external threaded ring 21. The support plate 214 and the base plate 215 are used to support and fix the sleeve 213, etc.

[0034] Working principle: When replacing the rotating basket component 1, first press the pressure plate 210. Under the support of the sleeve 213 and support plate 214, etc., the pressure plate 210 drives the insertion rod 211 to move down and stretch the spring 212. At the same time, the pressure plate 210 moves and pushes the connecting rod 29 and the clamping plate 28 down. After the clamping plate 28 moves down, it is inserted from the second limiting groove 26 into the third limiting groove 27. At this time, the pressure plate 210 can be rotated to drive the connecting rod 29 and the clamping plate 28 to rotate, thereby allowing the clamping plate 28 to rotate to the first limiting groove 27. 5. Align the plates, then pull the pressure plate 210. Using the elastic potential energy of the spring 212, the connecting rod 29 and the clamping plate 28 are pulled out from the first limiting groove 25 to remove the internal threaded ring 22. Then, the internal threaded ring 22 can be twisted to allow it to rotate and move to the lower end of the external threaded ring 21 through thread engagement with the external threaded plate 23 and the external threaded ring 21. Then, the external threaded plate 23 can be turned in sequence to drive the clamping block 24 to pull out the rotating basket component 1. Then, the rotating basket component 1 is removed and replaced. After replacement... The rotating basket component 1 is first inserted into the external threaded ring 21. Then, multiple sets of external threaded plates 23 are sequentially inserted into the rotating basket component 1, along with the locking blocks 24. Subsequently, the internal threaded ring 22 is twisted in the reverse direction to engage with the threads of the external threaded ring 21 and the external threaded plate 23, causing the internal threaded ring 22 to move upward and fit onto the outer side of the upper end of the external threaded plate 23. Finally, under the constraints of the base plate 215 and the support plate 214, the pressure plate 210 is pulled, thereby causing the pressure plate 210 to stretch the spring 21 under the constraint of the sleeve 213. 2. Then, the pressure plate 210 drives the clamping plate 28 and the connecting rod 29 to be inserted into the first limiting groove 25 and the third limiting groove 27. When the clamping plate 28 is inserted into the lower end of the third limiting groove 27, the pressure plate 210 is rotated to drive the clamping plate 28 and the connecting rod 29 to rotate, so that the clamping plate 28 rotates to be parallel to the second limiting groove 26. Then the pressure plate 210 is released, and the elastic potential energy of the spring 212 is used to pull the clamping plate 28 into the second limiting groove 26 to lock the internal threaded ring 22.

[0035] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.

Claims

1. A blood centrifuge with an easy-to-change rotating basket, comprising a rotating basket component (1), characterized in that: The lower end of the rotating basket component (1) is provided with a replacement component, and the replacement component includes an external threaded ring (21) sleeved on the lower end of the rotating basket component (1), and an internal threaded ring (22) is engaged on the outer side of the external threaded ring (21).

2. A blood centrifuge with an easily replaceable rotating basket as described in claim 1, characterized in that: The upper end of the external threaded ring (21) is rotatably connected to an external threaded plate (23) via an adapter, and a locking block (24) is fixedly connected to the end of the external threaded plate (23) away from the external threaded ring (21). The end of the locking block (24) away from the external threaded plate (23) is inserted into the rotating basket component (1).

3. A blood centrifuge with an easily replaceable rotating basket as described in claim 1, characterized in that: The upper end of the internal threaded ring (22) is provided with a first limiting groove (25), and the lower end of the first limiting groove (25) is provided with a second limiting groove (26), and the lower end of the second limiting groove (26) is provided with a third limiting groove (27).

4. A blood centrifuge with an easily replaceable rotating basket as described in claim 3, characterized in that: The first limiting groove (25), the second limiting groove (26) and the third limiting groove (27) are vertically connected, and the first limiting groove (25) and the second limiting groove (26) are vertically connected.

5. A blood centrifuge with an easily replaceable rotating basket as described in claim 4, characterized in that: The second limiting groove (26) is fitted with a card plate (28), and a connecting rod (29) is fixedly connected to the upper end of the card plate (28). A pressure plate (210) is fixedly connected to the upper end of the connecting rod (29).

6. A blood centrifuge with an easily replaceable rotating basket according to claim 5, characterized in that: The upper end of the pressure plate (210) is rotatably connected to the insertion rod (211) via a flange, and the upper end of the insertion rod (211) is fixedly connected to the spring (212). The outer side of the upper end of the spring (212) is fixedly connected to the sleeve (213), and the lower end of the sleeve (213) is sleeved on the outer side of the insertion rod (211).

7. A blood centrifuge with an easily replaceable rotating basket as described in claim 6, characterized in that: The upper end of the sleeve (213) is fixedly connected to a support plate (214), and the lower end of the support plate (214) is fixedly connected to a base plate (215). The inner side of the base plate (215) is fixedly connected to the outer side of the external threaded ring (21).

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