Cell preserving fluid centrifugal machine for inspection

Abstract

The utility model discloses a cell preserving fluid centrifugal machine for inspection, which comprises a fixed cylinder, a centrifugal mechanism is arranged in the fixed cylinder and used for fixing a cell preserving fluid test tube to carry out centrifugal test, and the centrifugal mechanism comprises a centrifugal component, a liquid inlet and a liquid outlet, and a liquid outlet is arranged in the fixed cylinder and used for driving the cell preserving fluid test tube to rotate; the centrifugal assembly comprises an inner cylinder movably mounted on the bottom surface of an inner cavity of the fixed cylinder; the limiting assembly is arranged in the fixing cylinder, is used for fixing the position of a cell preserving fluid test tube, and comprises a mounting disc movably mounted in the inner cylinder; the utility model relates to the technical field of centrifuges. According to the cell preserving fluid centrifugal machine for inspection, cell preserving fluid test tubes can be taken out at a time through the arranged clamping plates, when the cell preserving fluid centrifugal machine is used, a pull rod is pulled to drive the clamping plates to be pulled out of the clamping grooves, then the pull rod is pinched to drive a limiting assembly to take the multiple cell preserving fluid test tubes out of the fixing cylinder together, the operation time is shortened, and the operation efficiency is improved. And the overall efficiency of the experiment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifuges, in particular to a cell preservation fluid centrifuge for testing. Background Art

[0002] The centrifuge for testing cell preservation fluid is a kind of experimental equipment specially used for cell separation and purification in the fields of biology, medicine, etc. Its main function is to generate centrifugal force through high-speed rotation, so that different components in the cell preservation fluid can be separated under the action of centrifugal force.

[0003] The existing centrifuges for testing cell preservation fluid also have the following problems. The existing devices generally place the test tube in the centrifuge for fixing, and then start the centrifuge to drive the test tube to rotate for experimental operation. Referring to the patent application with publication number CN215088038U, a liquid-based cell preservation fluid refrigerated centrifuge is disclosed. The liquid-based cell preservation fluid refrigerated centrifuge is provided with a sliding cylinder, a suction cup and an air extraction mechanism, so that the rotation of the hand wheel makes the screw drive the moving block to move, and the piston draws the air in the suction cup. Under the action of atmospheric pressure, the refrigerated centrifuge is fixed on the test bench, and the shock-absorbing spring is used to effectively achieve the purpose of shock absorption, thereby effectively avoiding the phenomenon of displacement, falling and damage.

[0004] However, the above-mentioned technical device uses a spring to drive a clamp to fix the test tube for subsequent experiments, but after the experiment, the test tubes need to be taken out of the device one by one, which increases the operation time and affects the overall efficiency of the experiment. Especially when dealing with a large number of samples, this method of taking out one by one is particularly cumbersome and inefficient, and the test tubes need to be fixed one by one when placed, which is inconvenient to use and has general practicality. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a centrifuge for testing cell preservation fluid, which solves the problem that the test tubes need to be taken out of the device one by one after the experiment, which increases the operation time and affects the overall efficiency of the experiment. In addition, the test tubes need to be fixed one by one when they are placed, which is inconvenient to use and has general practicality.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: A centrifuge for testing cell preservation fluid, including a fixed cylinder, wherein a centrifugal mechanism is arranged inside the fixed cylinder for fixing a cell preservation fluid test tube for centrifugal testing, and the centrifugal mechanism includes:

[0007] A centrifugal assembly is arranged inside the fixed cylinder and is used to drive the cell preservation fluid test tube to rotate. The centrifugal assembly includes an inner cylinder movably mounted on the bottom surface of the inner cavity of the fixed cylinder;

[0008] A limiting assembly is arranged inside the fixed cylinder and is used to fix the position of the cell preservation solution test tube. The limiting assembly includes a mounting plate movably mounted inside the inner cylinder;

[0009] A fixing component is arranged on the top surface of the mounting plate to facilitate taking out the cell preservation fluid test tube. The fixing component includes two slide grooves opened on the top surface of the mounting plate. A clamping plate is slidably installed inside the two slide grooves. A pull rod is fixedly installed on the top surface of the clamping plate. Two springs are fixedly installed on the side of the two slide grooves away from the clamping plate. Two clamping grooves are opened on the inner side of the inner cylinder.

[0010] Preferably, one end of the card plate moves through the interior of the two slide grooves and extends to the interior of the two slots, the top surface of the pull rod moves through the interior of the two slide grooves and extends to the top surface of the mounting plate, and one end of the two springs are fixedly mounted on the side of the card plate away from the two slots.

[0011] Preferably, the centrifugal assembly further comprises a driving motor fixedly mounted on the bottom surface of the fixed cylinder, a cylinder cover is movably hinged on the top surface of the fixed cylinder, and an output end of the driving motor movably penetrates the bottom surface of the fixed cylinder and is fixedly mounted on the bottom surface of the inner cylinder.

[0012] Preferably, the limiting assembly also includes a limiting ring fixedly mounted on the inner side of the inner cylinder, a screw is movably mounted on the top surface of the mounting plate, a movable cylinder is threadedly mounted on the outer side of the screw, a plurality of placement grooves and a plurality of movable grooves are provided on the top surface of the mounting plate, movable plates are slidably mounted inside the plurality of movable grooves, a connecting rod is movably hinged on the top surface of the movable plate, and a splint is movably mounted inside the plurality of placement grooves.

[0013] Preferably, the top end of the connecting rod is movably hinged to the outside of the movable cylinder, and the bottom surface of the mounting plate is tightly attached to the top surface of the limiting ring.

[0014] Preferably, the side of the movable plate away from the screw rod movably passes through the interior of the plurality of movable grooves, extends to the interior of the placement groove, and is fixedly mounted on one side of the clamping plate.

[0015] Beneficial Effects

[0016] The utility model provides a centrifuge for cell preservation fluid for testing. Compared with the prior art, it has the following beneficial effects:

[0017] (1) The cell preservation fluid centrifuge for testing can take out the cell preservation fluid test tubes at one time by means of a provided card plate. When in use, the pull rod is pulled to drive the card plate to draw the test tubes out from the inside of the card slot, and then the pull rod is pinched to drive the limit assembly to take out multiple cell preservation fluid test tubes from the inside of the fixed cylinder together, thereby reducing the operation time and improving the overall efficiency of the experiment.

[0018] (2) The centrifuge for testing cell preservation fluid can simultaneously fix multiple cell preservation fluid test tubes by means of the movable cylinder and movable plate. When in use, the cell preservation fluid test tube is placed inside the placement groove, and then the movable cylinder is rotated to drive the connecting rod to push the movable plate, and then the movable plate drives the clamping plate to clamp the cell preservation fluid test tube through the placement groove, which is easy to use and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional appearance schematic diagram of the utility model;

[0020] Figure 2 It is a front cross-sectional three-dimensional appearance schematic diagram of the utility model;

[0021] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional appearance of the fixing component of the utility model.

[0022] In the figure: 1-fixed cylinder, 2-centrifugal mechanism, 21-centrifugal assembly, 211-cylinder cover, 212-driving motor, 213-inner cylinder, 22-limiting assembly, 221-screw, 222-mounting plate, 223-movable cylinder, 224-connecting rod, 225-movable groove, 226-placing groove, 227-clamping plate, 228-movable plate, 229-limiting ring, 23-fixed assembly, 231-pull rod, 232-slide groove, 233-spring, 234-slot, 235-card plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model provides two technical solutions:

[0025] Figure 1-Figure 3 The first embodiment is shown: a centrifuge for testing cell preservation fluid, comprising a fixed cylinder 1, wherein a centrifugal mechanism 2 is arranged inside the fixed cylinder 1 for fixing a cell preservation fluid test tube for centrifugal testing, and the centrifugal mechanism 2 comprises:

[0026] The centrifugal assembly 21 is arranged inside the fixed cylinder 1 and is used to drive the cell preservation fluid test tube to rotate. The centrifugal assembly 21 includes an inner cylinder 213 movably mounted on the bottom surface of the inner cavity of the fixed cylinder 1;

[0027] The limiting assembly 22 is arranged inside the fixed cylinder 1 to fix the position of the cell preservation solution test tube. The limiting assembly 22 includes a mounting plate 222 movably mounted inside the inner cylinder 213;

[0028] The fixing assembly 23 is arranged on the top surface of the mounting plate 222 for facilitating the taking out of the cell preservation fluid test tube. The fixing assembly 23 includes two slide grooves 232 provided on the top surface of the mounting plate 222. A clamping plate 235 is slidably installed inside the two slide grooves 232. A pull rod 231 is fixedly installed on the top surface of the clamping plate 235. Two springs 233 are fixedly installed on the side of the two slide grooves 232 away from the clamping plate 235. Two clamping grooves 234 are provided on the inner side of the inner cylinder 213. One end of the clamping plate 235 movably passes through the inside of the two slide grooves 232 and extends to the inside of the two clamping grooves 234. The top surface of the pull rod 231 moves through the interior of the two slide grooves 232 and extends to the top surface of the mounting disk 222, and pulling the pull rod 231 can drive the card plate 235 to pull it out from the inside of the card slot 234 to release the restriction on the mounting disk 222, and then the mounting disk 222 can be picked up to take the cell preservation fluid test tube out of the device, and one end of the two springs 233 is fixedly installed on the side of the card plate 235 away from the two card slots 234, and the elastic force of the two springs 233 can push the card plate 235 to be inserted into the inside of the two card slots 234 to fix the position of the mounting disk 222.

[0029] The cell preservation fluid test tubes can be taken out at one time through the provided card plate 235. When in use, the pull rod 231 is pulled to drive the card plate 235 to draw it out from the inside of the card slot 234, and then the pull rod 231 is pinched to drive the limiting component 22 to take multiple cell preservation fluid test tubes out of the fixed tube 1 together, thereby reducing the operation time and improving the overall efficiency of the experiment.

[0030] Figure 1-Figure 2A second embodiment is shown, which is mainly different from the first embodiment in that: the centrifugal assembly 21 also includes a driving motor 212 fixedly mounted on the bottom surface of the fixed cylinder 1, the top surface of the fixed cylinder 1 is movably hinged with a cylinder cover 211, the output end of the driving motor 212 movably penetrates the bottom surface of the fixed cylinder 1 and is fixedly mounted on the bottom surface of the inner cylinder 213, and starting the driving motor 212 can drive the inner cylinder 213 to rotate, the limiting assembly 22 also includes a limiting ring 229 fixedly mounted on the inner side of the inner cylinder 213, a screw rod 221 is movably mounted on the top surface of the mounting plate 222, and a movable cylinder 223 is threadedly mounted on the outer side of the screw rod 221, and a plurality of placement grooves 226 and a plurality of movable grooves 225 are provided on the top surface of the mounting plate 222, and the plurality of placement grooves 226 and the plurality of movable grooves 225 are evenly distributed circumferentially. The movable plates 228 are slidably installed inside the movable grooves 225, and the top surface of the movable plate 228 is movably hinged with a connecting rod 224. The insides of the placement grooves 226 are movably installed with splints 227. The top end of the connecting rod 224 is movably hinged to the outside of the movable cylinder 223. The bottom surface of the mounting disk 222 is tightly attached to the top surface of the limiting ring 229. The side of the movable plate 228 away from the screw rod 221 movably passes through the inside of the movable grooves 225 and extends to the inside of the placement grooves 226 and is fixedly installed on one side of the splint 227. Rotating the movable cylinder 223 can drive the connecting rod 224 to press down and push the movable plate 228 to move. Then the movable plate 228 will drive the splint 227 to move and fix the cell preservation fluid test tube through the placement grooves 226.

[0031] By means of the movable cylinder 223 and the movable plate 228, a plurality of cell preservative solution test tubes can be fixed at the same time. When in use, the cell preservative solution test tubes are placed inside the placement groove 226, and then the movable cylinder 223 is rotated to drive the connecting rod 224 to push the movable plate 228, and then the movable plate 228 will drive the clamping plate 227 to clamp the cell preservative solution test tube through the placement groove 226, which is easy to use and has good practicality.

[0032] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used.

[0033] When in use, the user connects the device to electricity, then opens the screw 221 to place the cell preservation solution test tube into the placement groove 226, then rotates the movable cylinder 223 to drive the connecting rod 224 to push the movable plate 228, and then the movable plate 228 drives the clamping plate 227 to clamp the cell preservation solution test tube through the placement groove 226, and then covers the cylinder cover 211 and starts the driving motor 212 to drive the inner cylinder 213 to rotate to generate centrifugal force, so that different components in the cell preservation solution are separated under the action of centrifugal force. After the separation is completed, the driving motor 212 is turned off to open the cylinder cover 211, and the pull rod 231 is pulled to drive the clamping plate 23 5 is pulled out from the inside of the card slot 234, and then the pull rod 231 is pinched to drive the limiting assembly 22 to take out multiple cell preservation fluid test tubes from the inside of the fixed cylinder 1, and then another mounting plate 222 can be placed into the inside of the fixed cylinder 1. The operation is as follows: pull the pull rod 231 to drive the card slot 234 to be pulled into the inside of the slide groove 232, and then pinch the pull rod 231 to drive the mounting plate 222 to be placed on the top surface of the limiting ring 229. At this time, release the pull rod 231, and the elastic force of the spring 233 will drive the clamping plate 235 to be inserted into the inside of the card slot 234 to fix the position of the mounting plate 222, and then subsequent experiments can be carried out.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A centrifuge for testing cell preservation fluid, comprising a fixed barrel (1), characterized in that: The interior of the fixing cylinder (1) is provided with a centrifugal mechanism (2) for fixing the cell preservation fluid test tube for centrifugal testing, and the centrifugal mechanism (2) comprises: A centrifugal assembly (21) is arranged inside the fixed cylinder (1) and is used to drive the cell preservation fluid test tube to rotate. The centrifugal assembly (21) comprises an inner cylinder (213) movably mounted on the bottom surface of the inner cavity of the fixed cylinder (1); A limiting assembly (22) is arranged inside the fixed cylinder (1) and is used to fix the position of the cell preservation solution test tube, and the limiting assembly (22) includes a mounting plate (222) movably mounted inside the inner cylinder (213); A fixing component (23) is arranged on the top surface of the mounting plate (222) for facilitating the removal of the cell preservation fluid test tube, and the fixing component (23) includes two slide grooves (232) opened on the top surface of the mounting plate (222), a clamping plate (235) is slidably installed inside the two slide grooves (232), a pull rod (231) is fixedly installed on the top surface of the clamping plate (235), two springs (233) are fixedly installed on the side of the two slide grooves (232) away from the clamping plate (235), and two clamping grooves (234) are opened on the inner side of the inner cylinder (213).

2. A centrifuge for cell preservation fluid for testing according to claim 1, characterized in that: One end of the clamping plate (235) moves through the interior of the two slide grooves (232) and extends to the interior of the two clamping grooves (234); the top surface of the pull rod (231) moves through the interior of the two slide grooves (232) and extends to the top surface of the mounting plate (222); one end of the two springs (233) are fixedly mounted on a side of the clamping plate (235) away from the two clamping grooves (234).

3. The centrifuge for cell preservation fluid for testing according to claim 1, characterized in that: The centrifugal assembly (21) further comprises a driving motor (212) fixedly mounted on the bottom surface of the fixed cylinder (1); a cylinder cover (211) is movably hinged on the top surface of the fixed cylinder (1); an output end of the driving motor (212) movably penetrates the bottom surface of the fixed cylinder (1) and is fixedly mounted on the bottom surface of the inner cylinder (213).

4. The centrifuge for cell preservation fluid for testing according to claim 1, characterized in that: The limiting assembly (22) also includes a limiting ring (229) fixedly mounted on the inner side of the inner tube (213); a screw rod (221) is movably mounted on the top surface of the mounting plate (222); a movable tube (223) is threadedly mounted on the outer side of the screw rod (221); a plurality of placement grooves (226) and a plurality of movable grooves (225) are provided on the top surface of the mounting plate (222); a plurality of movable grooves (225) are slidably mounted with movable plates (228); a connecting rod (224) is movably hinged on the top surface of the movable plate (228); and a plurality of placement grooves (226) are movably mounted with clamping plates (227).

5. The centrifuge for cell preservation fluid for testing according to claim 4, characterized in that: The top end of the connecting rod (224) is movably hinged to the outside of the movable cylinder (223), and the bottom surface of the mounting plate (222) is tightly attached to the top surface of the limiting ring (229).

6. The centrifuge for cell preservation fluid for testing according to claim 4, characterized in that: The movable plate (228) moves away from the screw rod (221) and penetrates through the interior of the plurality of movable grooves (225) to extend to the interior of the placement groove (226) and is fixedly mounted on one side of the clamping plate (227).

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