Centrifugal adapter of cell cryopreservation tube

Abstract

The utility model discloses a centrifugal adapter for a cell cryopreservation tube. The centrifugal adapter comprises a rotating frame, a butt joint port, a tube box mounting structure and a tube box, through the arrangement of the pipe box installation structure, a worker pulls the pull block to drive the limiting rod to slide along the inner wall of the fixing frame, at the moment, the spring is stressed and compressed to generate elastic force, the limiting rod slides out of the limiting opening when sliding, limiting on the fixing block is relieved, and then the spring piece pushes the pipe box to enable the pipe box to slide in the box opening. The rotating frame is arranged on the box opening, so that a worker can conveniently take out and replace the tube box, and the tube box with different specifications can be replaced, inserted into the box opening and limited by the limiting rod, so that replacement and installation are realized, and the beneficial effects that when cryopreservation tube grooves with different specifications need to be replaced, replacement is convenient, and the whole rotating frame does not need to be disassembled for replacement are realized.

Description

Technical Field

[0001] The utility model relates to the field of centrifuges, in particular to a centrifugal adapter for cell freezing tubes. Background Art

[0002] A centrifuge is a machine that uses centrifugal force to separate liquids from solid particles or components in a mixture of liquids and liquids. Centrifuges are mainly used to separate solid particles from liquids in suspensions, or to separate two immiscible liquids of different densities in emulsions (for example, separating cream from milk); it can also be used to remove liquid from wet solids. The centrifuge is equipped with a centrifuge adapter for installing cell cryopreservation tubes.

[0003] Existing patent: CN216322630U, a centrifuge tube adapter, including a base and an adapter body, a plurality of through holes are provided on the base, two plug blocks are symmetrically arranged on the top of the base, three limit lock holes are provided on the plug blocks, a plurality of test tube sockets are provided on the adapter body, the bottom of the test tube socket is connected to a test tube sleeve, a plurality of elastic plastic clip leaves are arranged in sequence from top to bottom in the test tube sleeve, and two limit holes are symmetrically provided on the adapter body. The advantage of the utility model is that the adapter body is placed on the base, the limit hole is sleeved on the plug block, and the rubber ball cooperates with the limit lock hole, so that the adapter body can be prevented from shaking up and down and left and right under the drive of the centrifuge, and the installation is more firm, and a plurality of elastic plastic clip leaves are arranged in sequence from top to bottom in the test tube sleeve, which can well clamp test tubes of different models, and avoid frequent replacement of the adapter body during experiments.

[0004] The above patents or existing centrifugal adapters have the following problems:

[0005] When the existing centrifugal adapter needs to be replaced with cryotubes of different specifications, the rotating frame needs to be disassembled and replaced as a whole, and the disassembly is relatively inconvenient, which makes it inconvenient to adapt to cryotubes of different specifications. Utility Model Content

[0006] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a cell freezing tube centrifugal adapter.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a cell freezing tube centrifugal adapter, including a rotating frame, a docking port is arranged in the middle of the rotating frame, a tube box mounting structure is arranged in the rotating frame, and a tube box installed on the tube box mounting structure, the tube box mounting structure includes a fixed frame, the fixed frame is arranged in the rotating frame, a box opening is arranged in the fixed frame, the left and right ends of the fixed frame are provided with docking grooves, a docking block connected to the docking groove, a fixed block connected to the fixed frame is arranged on the upper end of the docking block, a limited opening is opened in the fixed block at the right end, a limit rod is plugged into the limit opening, and the limit rod is slidably connected to the fixed frame, a spring is arranged on the surface of the limit rod, and a pull block is arranged at the end of the limit rod.

[0008] Preferably, a spring groove is provided at the lower end of the fixing frame, and a spring sheet is installed inside the spring groove. When the tube box is installed in the fixing frame, the spring sheet will be compressed.

[0009] Preferably, two spring sheets are provided, and the ends of the spring sheets contacting the tube box are processed with left and right elbows.

[0010] Preferably, the upper ends of the ends of the limiting rod that are plugged into the limiting opening are treated with left and right inclined surfaces, and the surface is smooth.

[0011] Preferably, the bottom end surface of the fixing block at the right end is chamfered at left and right angles, and the chamfered surface is a smooth polished surface.

[0012] Preferably, a notch is provided in the middle of the pull block, and the depth of the notch is not less than five millimeters.

[0013] Beneficial effects of the utility model:

[0014] The utility model is provided with a tube box installation structure. When a worker pulls the pulling block, the limiting rod is driven to slide along the inner wall of the fixing frame. At this time, the spring is compressed to generate elastic force. When the limiting rod slides, it will slide out of the limiting opening, and the limiting of the fixing block is released. Then the spring sheet will push the tube box to slide inside the box opening, so that the worker can take it out and then replace the tube box. Non-standard tube boxes can be replaced and inserted into the box opening. After being limited by the limiting rod, replacement and installation can be realized, so as to achieve the beneficial effect of facilitating replacement when different specifications of freezing tube slots need to be replaced, without the need to disassemble the rotating frame as a whole for replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a front view structural diagram of the utility model;

[0017] Figure 3This is a schematic diagram of the front cross-sectional structure of the pipe box installation structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the cross-sectional structure of the fixing frame of the utility model from top view;

[0019] Figure 5 It is a schematic diagram of the side sectional structure of the fixing block of the utility model.

[0020] Among them: rotating frame-1, docking port-2, tube box mounting structure-3, tube box-4, fixed frame-31, box mouth-32, docking groove-33, docking block-34, fixed block-35, limiting mouth-36, limiting rod-37, spring-38, pulling block-39, spring groove-301, spring sheet-302, notch-391. DETAILED DESCRIPTION

[0021] In order to further explain the technical solution of the present utility model, it is described in detail through specific embodiments below.

[0022] See also Figure 1 and Figure 2 The utility model provides a cell freezing tube centrifugal adapter, including a rotating frame 1, a docking port 2 is integrally formed in the middle of the rotating frame 1, and the docking port 2 is used to connect with the rotating shaft of the centrifuge to realize that the rotating frame 1 is installed in the centrifuge, and a tube box mounting structure 3 is arranged in the rotating frame 1, and a tube box 4 is installed on the tube box mounting structure 3. The cell freezing tube is placed in the tube box 4, and the centrifuge is turned on to rotate the rotating frame 1, thereby driving the freezing tube in the tube box 4 to rotate. Under high-speed rotation, centrifugal force is generated to separate solid and liquid.

[0023] See also Figure 1 , Figure 3 , Figure 4 and Figure 5The utility model provides a cell freezing tube centrifugal adapter, the tube box installation structure 3 includes a fixing frame 31, the fixing frame 31 is tiltedly arranged in the rotating frame 1, a box opening 32 for installing the tube box 4 is opened in the fixing frame 31, and docking grooves 33 are arranged at both ends of the fixing frame 31, and docking blocks 34 connected to the docking grooves 33 are formed integrally on the left and right end surfaces of the tube box 4, and a fixing block 35 plugged into the fixing frame 31 is formed integrally at the upper end of the docking block 34, the bottom end surface of the right end fixing block 35 is chamfered on the left and right, and the chamfered surface is a smooth polished surface, a limiting opening 36 is opened in the right end fixing block 35, and a limiting rod 3 is plugged into the limiting opening 36. 7, and the left and right inclined surfaces of the upper end of the limit rod 37 are processed. Through the angled surface of the bottom end surface of the fixing block 35 and the inclined surface of the limit rod 37, when the fixing block 35 is inserted into the fixing frame 31, the limit rod 37 can be better pushed to slide and shrink into the inside of the fixing frame 31. At the same time, the spring 38 arranged on the surface of the limit rod 37 will be compressed and generate elastic force. When the spring 38 loses its force, it will push the limit rod 37 to insert it into the limit opening 36, thereby limiting the fixing block 35. A pull block 39 is integrally formed at the other end of the limit rod 37. A notch 391 is arranged in the middle of the pull block 39. The depth of the notch 391 is five millimeters, so that the staff can pull the pull block 39.

[0024] The lower end of the fixing frame 31 is provided with a spring groove 301, and a spring sheet 302 is installed inside the spring groove 301. When the tube box 4 is installed in the fixing frame 31, the spring sheet 302 will be compressed. There are two spring sheets 302, which are respectively located at the left and right ends of the spring groove 301, and the ends of the spring sheet 302 contacting the tube box 4 are processed with left and right elbows, so as not to scratch the tube box 4.

[0025] The staff pulls the pull block 39 to drive the limit rod 37 to slide along the inner wall of the fixed frame 31. At this time, the spring 38 is compressed to generate elastic force. When the limit rod 37 slides, it will slide out of the limit mouth 36, and the limit on the fixed block 35 will be released. Then the spring sheet 302 will push the tube box 4 to make it slide inside the box mouth 32, so that the staff can take it out and then replace the tube box 4. The non-standard tube box 4 can be replaced and inserted into the box mouth 32. After being limited by the limit rod 37, replacement and installation can be realized, so as to achieve the beneficial effect of facilitating replacement when different specifications of freezing tube slots need to be replaced, without disassembling the rotating frame 1 as a whole for replacement.

[0026] The above description is only a preferred example of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cell freezing tube centrifugal adapter, comprising a rotating frame (1), a docking port (2) being arranged in the middle of the rotating frame (1), a tube box mounting structure (3) being arranged in the rotating frame (1), and a tube box (4) being mounted on the tube box mounting structure (3); Features: The tube box installation structure (3) comprises a fixing frame (31), the fixing frame (31) is arranged in the rotating frame (1), a box opening (32) is arranged in the fixing frame (31), docking grooves (33) are arranged at both left and right ends of the fixing frame (31), a docking block (34) connected to the docking groove (33), a fixing block (35) plugged into the fixing frame (31) is arranged at the upper end of the docking block (34), a limiting opening (36) is arranged in the fixing block (35) at the right end, a limiting rod (37) plugged into the limiting opening (36), and the limiting rod (37) is slidably connected to the fixing frame (31), a spring (38) is arranged on the surface of the limiting rod (37), and a pulling block (39) is arranged at the end of the limiting rod (37).

2. According to claim 1, a cell cryopreservation tube centrifugal adapter is characterized in that: A spring groove (301) is provided at the lower end of the fixing frame (31), and a spring sheet (302) is installed inside the spring groove (301). When the tube box (4) is installed in the fixing frame (31), the spring sheet (302) is compressed.

3. A cell freezing tube centrifugal adapter according to claim 2, characterized in that: Two spring sheets (302) are provided, and the ends of the spring sheets (302) that are in contact with the tube box (4) are processed with left and right elbows.

4. The cell freezing tube centrifugal adapter according to claim 1, characterized in that: The upper ends of the end portions of the limiting rod (37) plugged into the limiting opening (36) are processed with left and right inclined surfaces, and the surfaces are smooth.

5. The cell cryopreservation tube centrifugal adapter according to claim 1, characterized in that: The bottom end surface of the fixing block (35) at the right end is chamfered at left and right angles, and the chamfered surface is a smooth polished surface.

6. A cell cryopreservation tube centrifugal adapter according to claim 1, characterized in that: A notch (391) is provided in the middle of the pull block (39), and the depth of the notch (391) is not less than five millimeters.

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