Cell centrifuge

Abstract

The utility model provides a cell centrifuge, which comprises a placing component, a plurality of test tube placing positions, a plurality of test tube placing plates, a plurality of test tube placing plates and a plurality of test tube placing plates, wherein the test tube placing positions are arranged around the central axis of the placing component; any one test tube placing position is surrounded by a first placing aperture for accommodating a target test tube; the clamping assembly is formed by a transmission part and an adjusting part, one end of the transmission part is connected with the driving assembly, the other end of the transmission part is connected with the adjusting part, and the adjusting part is matched with the test tube placing position; when the driving assembly drives the transmission part to rotate in the first direction, the adjusting part and the test tube placing position form a second placing aperture; the second placing aperture is smaller than or equal to the first placing aperture. The utility model solves the technical problems that the test tube placement position of the cell centrifuge in the related technology is poor in universality and can only adapt to the test tubes with single size, and when the test tubes with different sizes need to be used for cell centrifugal experiments, different cell centrifuges or accessories of the cell centrifuges need to be replaced, so that not only is the test cost increased, but also the test time is shortened. And the experiment efficiency is also reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cell culture, in particular to a cell centrifuge. Background Art

[0002] During the cell culture process, it is routine to prepare cell suspension, adjust cell density, wash cells, and perform other operations, which usually require the use of a centrifuge.

[0003] However, there is at least one of the following problems in the related art: the test tube placement position of the cell centrifuge in the related art has poor versatility and can only accommodate test tubes of a single size. When test tubes of different sizes need to be used for cell centrifugation experiments, it is necessary to replace a different cell centrifuge or replace its accessories, which not only increases the experimental cost but also reduces the experimental efficiency. Utility Model Content

[0004] The technical problem solved by the present invention is that the test tube placement position of the cell centrifuge in the related art has poor versatility and can only adapt to test tubes of a single size. When test tubes of different sizes need to be used for cell centrifugation experiments, it is necessary to replace a different cell centrifuge or replace its accessories, which not only increases the experimental cost but also reduces the experimental efficiency.

[0005] To solve the above problems, the present invention provides a cell centrifuge, comprising: a placement assembly, the placement assembly is provided with a plurality of test tube placement positions, and the plurality of test tube placement positions are arranged around the central axis of the placement assembly; wherein, any test tube placement position is provided with a first placement aperture for accommodating a target test tube; a clamping assembly formed by a transmission member and an adjusting member, wherein one end of the transmission member is connected to a driving assembly placed at the center position of the placement assembly, and the adjusting member is connected to the other end of the transmission member, and the adjusting member cooperates with the test tube placement position; wherein, when the driving assembly drives the transmission member to rotate in a first direction, the adjusting member and the test tube placement position form a second placement aperture for accommodating the target test tube; and the second placement aperture is less than or equal to the first placement aperture.

[0006] Compared with the existing technology, the technical effect achieved by adopting this technical solution is: compared with the centrifuge in the related technology that can only adapt to test tubes of a single size, the utility model adds a clamping assembly in the test tube placement position and a driving assembly on the placement assembly, and the adjusting part of the clamping assembly and the test tube placement position cooperate to form a second placement caliber for clamping the test tube; by rotating the driving assembly in the first direction, the transmission part and the test tube placement position form a second placement caliber for accommodating the target test tube, wherein the second placement caliber is less than or equal to the first placement caliber surrounded by the test tube placement position to accommodate the target test tube, and by adjusting the size of the placement caliber to adapt to test tubes of smaller sizes, there is no need to replace the cell centrifuge or accessories due to test tubes of different sizes, thereby reducing experimental costs and improving experimental efficiency.

[0007] In one example of the present invention, the cell centrifuge also includes: a cover body and a main body that are rotatably connected, and a placement component is arranged in the accommodating space of the main body; a first plane is provided on the side of the placement component away from the cover body; the placement component includes: a first matching position, the first matching position is provided on the first plane; a first guide groove, the first guide groove is provided on the first plane and is connected to the first matching position; the transmission member includes a first connecting member, the first connecting member is provided in the first guide groove, and can reciprocate along the first guide groove.

[0008] Compared with the prior art, the technical effect achieved by adopting this technical solution is that the cooperation between the first guide groove and the first connecting member provides a path for the movement of the clamping assembly, which can make the movement of the clamping assembly more stable and accurate.

[0009] In one example of the present invention, the adjusting member includes: a clamping wall, the clamping wall is arranged in at least one test tube placement position, and cooperates with the test tube placement position to form a second placement aperture; a first rotating member is also provided on the side of the transmission member away from the clamping wall; the first rotating member is arranged in the first cooperation position; one end of the first connecting member is connected to the clamping wall, and the other end is connected to the first rotating member.

[0010] In one example of the present invention, a first through hole is provided at the center position of the placement component; the driving component includes: a rotating part, the rotating part is provided at the first matching position and is rotatably connected to the first rotating member; a control member, part of the structure of the control member is connected to the rotating part through the first through hole, and is used to drive the rotating part to rotate; wherein, the control member is rotated, and the rotating part drives the first connecting member to reciprocate along the first guide groove to adjust the size of the second placement aperture.

[0011] Compared with the prior art, the technical effect achieved by adopting this technical solution is that part of the structure of the first through-hole adjustment component is arranged in the placement component, which can reduce the overall volume of the cell centrifuge and improve space utilization.

[0012] In one example of the present invention, the rotating part includes: a first turntable, which is arranged at a first matching position and connected to the control member; a second connecting member, which is arranged on a side of the first turntable close to the cover body; and a third connecting member, one end of the third connecting member is rotatably connected to the first rotating member, and the other end is rotatably connected to the second connecting member.

[0013] In one example of the present invention, the control member includes: an adjusting knob, the adjusting knob is located on the side of the driving assembly close to the cover body; a fourth connecting member, the fourth connecting member is arranged in the first through hole and connects the adjusting knob and the first turntable; wherein the adjusting knob, the fourth connecting member and the first turntable are an integrated structure.

[0014] Compared with the existing technology, the technical effect achieved by adopting this technical solution is that the adjustment knob, the fourth connecting member and the first turntable are integrated into a structure that makes it easier to adjust the first placement aperture.

[0015] In one embodiment of the present invention, a second guide groove is provided on a side of the placement component close to the cover body; the control component also includes: a matching component, which is provided on a side of the adjustment knob close to the second guide groove, and the matching component is engaged with the second guide groove.

[0016] Compared with the prior art, the technical effect achieved by adopting this technical solution is that the matching piece moving along the second guide groove is provided, which makes it easier for the user to observe the current rotation angle of the adjustment knob, that is, the clamping condition of the test tube.

[0017] In one embodiment of the present invention, the second guide groove is provided with either a snap structure or a slot structure, and the mating piece is provided with the other of the two, and there are multiple slot structures; the size of the second placement aperture is adjusted by cooperating with the snap structure and different slot structures.

[0018] Compared with the existing technology, the technical effect achieved by adopting this technical solution is: by arranging mutually cooperating snap-fit ​​joints and slot structures on the second guide groove and the mating piece, the size of the second placement aperture can be adjusted through the engaging position of the snap-fit ​​joints and slot structures, and after the adjustment is completed, the stability of the placement aperture can be effectively maintained, ensuring that the test tube will not loosen or shift during the centrifugation process, and reducing the situation where the clamping wall and the test tube placement position caliber change due to external force.

[0019] In one embodiment of the present invention, it further includes: a motor, which is arranged on a side of the placement component away from the cover body, and a rotating shaft is installed on the output end of the motor, and the rotating shaft is connected to the placement component.

[0020] In one embodiment of the present invention, the utility model further comprises: an anti-skid foot pad, which is arranged on a side of the main body away from the cover body.

[0021] Compared with the existing technology, the technical effect achieved by adopting this technical solution is: a non-slip foot pad is set on the side of the main body away from the cover body, which increases the stability of the device and prevents the device from sliding due to external force during use.

[0022] After adopting the technical solution of the utility model, the following technical effects can be achieved:

[0023] (1) A clamping assembly is added to the test tube placement position and a driving assembly is added to the placement assembly. The adjusting member of the clamping assembly cooperates with the test tube placement position to form a placement aperture for clamping the test tube; by rotating the driving assembly in a first direction, the transmission member and the test tube placement position form a second placement aperture for accommodating the target test tube, wherein the second placement aperture is smaller than or equal to the first placement aperture formed by the test tube placement position to accommodate the target test tube. By adjusting the size of the placement aperture to accommodate test tubes of smaller sizes, it is no longer necessary to replace the cell centrifuge or accessories due to test tubes of different sizes, thereby reducing experimental costs and improving experimental efficiency.

[0024] (2) The operation is more convenient. The integrated drive assembly enables the operator to adjust the placement diameter through a simple rotation operation, without the need to use complex tools and other tedious steps, thus improving the convenience of operation.

[0025] (3) A snap-on structure and a slot structure are set on the driving component and the placement component. Through different matching positions, test tubes of different sizes can be fixed and locked, and after the adjustment is completed, the stability of the placement caliber can be effectively maintained, further improving the safety of the experiment. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings to be used in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive efforts.

[0027] Figure 1 A schematic structural diagram of a cell centrifuge provided in an embodiment of the present utility model;

[0028] Figure 2 Front view for placing components and driving component coordination;

[0029] Figure 3 for Figure 2 Cross-sectional view along AA direction;

[0030] Figure 4 for Figure 2 Cross-sectional view along the BB direction;

[0031] Figure 5 for Figure 2 Schematic diagram of the internal structure;

[0032] Figure 6 for Figure 5 A partial enlarged view of point C in the middle.

[0033] Description of reference numerals:

[0034] 100. Cell centrifuge; 1. First plane; 10. Cover; 11. Fastener; 20. Main body; 21. Accommodating space; 22. Matching groove; 30. Placement assembly; 31. First matching position; 32. First guide groove; 33. Second guide groove; 34. Test tube placement position; 35. First through hole; 40. Clamping assembly; 41. Transmission member; 411. First connecting member; 412. First rotating member; 42. Adjusting member; 421. Clamping wall; 50. Drive assembly; 51. Rotating part; 511. First turntable; 512. Second connecting member; 513. Third connecting member; 52. Control member; 521. Adjusting knob; 522. Fourth connecting member; 523. Matching member; 53. Auxiliary member. DETAILED DESCRIPTION

[0035] The following describes in detail embodiments of the present invention. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention and are not to be construed as limiting the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0036] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connection, connection, or integral connection; they may refer to mechanical connection or electrical connection; they may refer to direct connection or indirect connection through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0037] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0038] See also Figure 1 , Figure 1 A schematic diagram of the structure of a cell centrifuge provided by an embodiment of the present invention; Figures 2 to 6Specifically, the cell centrifuge 100 includes: a placement component 30, a clamping component 40 and an adjustment component; wherein the placement component 30 is arranged in the accommodating space 21; the placement component 30 is provided with a plurality of test tube placement positions 34, and the plurality of test tube placement positions 34 are arranged around the central axis of the placement component 30; wherein any test tube placement position 34 is provided with a first placement aperture for accommodating a target test tube; the clamping component 40 is formed by a transmission member 41 and an adjustment member 42, one end of the transmission member 41 is connected to the drive component 50 placed at the center position of the placement component 30, and the adjustment member 42 is connected to the other end of the transmission member 41, and the adjustment member 42 cooperates with the test tube placement position 34.

[0039] Specifically, when the driving assembly 50 drives the transmission member 41 to rotate along the first direction, the adjusting member 42 and the test tube placement position 34 form a second placement aperture for accommodating the target test tube; and the second placement aperture is smaller than or equal to the first placement aperture.

[0040] Preferably, the cell centrifuge 100 further comprises a cover 10 and a main body 20 that are rotatably connected.

[0041] Preferably, the rotational connection comprises a hinge.

[0042] Preferably, a fastening piece 11 is provided on the side of the cover body 10 away from the hinge, and a matching groove 22 is provided on the main body 20 corresponding to the fastening piece 11; the cover body 10 is fastened to the main body 20 through the fastening piece 11 to cover the accommodating space 21 in the main body 20.

[0043] Preferably, the test tube placement position 34 is a hollow cylinder.

[0044] Furthermore, the placement component 30 is arranged in the accommodating space 21 of the main body 20, and a first plane 1 is provided on the side of the placement component 30 away from the cover body 10; the placement component 30 includes: a first matching position 31 and a first guide groove 32; wherein, the first matching position 31 is provided on the first plane 1; the first guide groove 32 is provided on the first plane 1 and is connected to the first matching position 31; the transmission member 41 includes a first connecting member 411, the first connecting member 411 is provided in the first guide groove 32, and can reciprocate along the first guide groove 32.

[0045] It should be noted that the setting position of the first plane 1 is not clearly specified. Since some components in the present invention are mostly set inside the placement component 30, the first plane 1 is defined for the convenience of indicating its position.

[0046] Furthermore, the adjusting member 42 includes: a clamping wall 421, the clamping wall 421 is arranged in at least one test tube placement position 34, and cooperates with the test tube placement position 34 to form a second placement aperture; a first rotating member 412 is also provided on the side of the transmission member 41 away from the clamping wall 421; the first rotating member 412 is arranged in the first cooperation position 31; one end of the first connecting member 411 is connected to the clamping wall 421, and the other end is connected to the first rotating member 412.

[0047] Preferably, the clamping wall 421 is arc-shaped.

[0048] Preferably, the clamping wall 421 is made of flexible material.

[0049] Preferably, a rubber material is provided on the side of the clamping wall 421 that contacts the target test tube, so as to increase the friction between the clamping wall 421 and the target test tube, thereby preventing the target test tube from falling off from the second placement aperture during centrifugal motion.

[0050] Preferably, the clamping wall 421 is provided along the height direction of the test tube placement position 34 , and the height of the clamping wall 421 is the same as the height of the test tube placement position 34 .

[0051] Furthermore, a first through hole 35 is provided at the center position of the placement component 30; the driving component 50 includes: a rotating part 51 and a control member 52; wherein, the rotating part 51 is provided at the first matching position 31 and is rotatably connected to the first rotating member 412; part of the structure of the control member 52 is connected to the rotating part 51 through the first through hole 35, and is used to drive the rotating part 51 to rotate; specifically, by rotating the control member 52, the rotating part 51 drives the first connecting member 411 to reciprocate along the first guide groove 32 to adjust the size of the second placement aperture.

[0052] Preferably, the rotating portion 51 and the control member 52 are integrally provided.

[0053] Specifically, the rotating part 51 includes: a first turntable 511, a second connecting member 512 and a third connecting member 513; wherein, the first turntable 511 is arranged at the first matching position 31 and is connected to the control member 52; the second connecting member 512 is arranged on the side of the first turntable 511 close to the cover body 10; one end of the third connecting member 513 is rotatably connected to the first rotating member 412, and the other end is rotatably connected to the second connecting member 512.

[0054] Furthermore, the control member 52 includes: an adjusting knob 521 and a fourth connecting member 522. The adjusting knob 521 is located on a side of the driving assembly 50 close to the cover 10. The fourth connecting member 522 is disposed in the first through hole 35 and connects the adjusting knob 521 and the first rotary disk 511.

[0055] Preferably, the adjusting knob 521 , the fourth connecting member 522 and the first rotating disk 511 are an integrated structure.

[0056] Furthermore, a second guide groove 33 is provided on the side of the placement component 30 close to the cover body 10; the control component 52 also includes: a matching component 523, which is provided on the side of the adjustment knob 521 close to the second guide groove 33, and the matching component 523 is engaged with the second guide groove 33.

[0057] Preferably, the second guide groove 33 is provided with a plurality of slot structures, and the fitting part 523 is provided with a snap structure that cooperates with the slot structure. By rotating the control part 52, the snap structure on the fitting part 523 is engaged with different slot structures in the second guide groove 33 to adjust the size of the second placement aperture.

[0058] Furthermore, the adjustment assembly also includes an auxiliary part 53, which is located in the test tube placement position 34 and away from the side of the cover body 10; a plurality of grippers are circumferentially provided on one side of the auxiliary part 53 close to the adjustment knob 521 for gripping the target test tube.

[0059] Preferably, the grippers of the auxiliary component 53 are made of flexible materials.

[0060] In combination with specific usage, the user places the target test tube in the test tube placement position 34, and the auxiliary part 53 located in the test tube placement position 34 first grasps the target test tube and fixes it in the test tube placement position 34, and then adjusts its fixed position by rotating the adjusting knob 521 in the first direction, so that the first turntable 511 and the adjusting knob 521 rotate synchronously, and the second connecting part 512 set on the first turntable 511 pushes the third connecting part 513 to make the first connecting part 411 move along the first guide groove 32. At this time, the second placement aperture formed by the clamping wall 421 and the test tube placement position 34 gradually shrinks until the clamping wall 421 fits the target test tube and the target test tube is fixed in the test tube placement position 34; at the same time, in the process of rotating the adjusting knob 521, the buckle structure on the adjusting knob 521 and the different slot structures set on the second guide groove 33 cooperate to maintain the stability of the second placement aperture after the adjustment is completed, so that it keeps the current placement aperture unchanged.

[0061] Furthermore, the cell centrifuge 100 further includes: a motor, which is disposed on a side of the placement component 30 away from the cover body 10 , and a rotating shaft is installed at an output end of the motor, and the rotating shaft is connected to the placement component 30 .

[0062] Furthermore, the cell centrifuge 100 also includes: an anti-skid foot pad, which is arranged on the side of the main body 20 away from the cover body 10 to increase the stability of the device and prevent the device from sliding due to external force during use.

[0063] Although the present invention is disclosed as above, it is not limited thereto. Any person skilled in the art may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope defined by the claims.

Claims

1. A cell centrifuge, characterized in that include: A placement component (30), wherein the placement component (30) is provided with a plurality of test tube placement positions (34), and the plurality of test tube placement positions (34) are arranged around the central axis of the placement component (30); wherein any of the test tube placement positions (34) is provided with a first placement aperture for accommodating a target test tube; A clamping assembly (40) formed by a transmission member (41) and an adjusting member (42), wherein one end of the transmission member (41) is connected to a driving assembly (50) placed at a central position of the placement assembly (30), and the adjusting member (42) is connected to the other end of the transmission member (41), and the adjusting member (42) cooperates with the test tube placement position (34); When the driving assembly (50) drives the transmission member (41) to rotate in a first direction, the adjusting member (42) and the test tube placement position (34) form a second placement aperture for accommodating the target test tube; and the second placement aperture is smaller than or equal to the first placement aperture.

2. The cell centrifuge according to claim 1, characterized in that The cell centrifuge further comprises: a cover (10) and a main body (20) that are rotatably connected, and the placement component (30) is disposed in the accommodation space (21) of the main body (20); A first plane (1) is provided on a side of the placement component (30) away from the cover body (10); The placement component (30) includes: A first coordination position (31), the first coordination position (31) being provided on the first plane (1); a first guide groove (32), the first guide groove (32) being provided on the first plane (1) and communicating with the first matching position (31); The transmission member (41) comprises a first connecting member (411), wherein the first connecting member (411) is disposed in the first guide groove (32) and can perform reciprocating motion along the first guide groove (32).

3. The cell centrifuge according to claim 2, characterized in that The regulating member (42) comprises: a clamping wall (421), the clamping wall (421) being provided in at least one of the test tube placement positions (34) and cooperating with the test tube placement position (34) to form the second placement aperture; A first rotating member (412) is further provided on a side of the transmission member (41) away from the clamping wall (421); the first rotating member (412) is provided in the first matching position (31); One end of the first connecting member (411) is connected to the clamping wall (421), and the other end is connected to the first rotating member (412).

4. The cell centrifuge according to claim 3, characterized in that A first through hole (35) is provided at the center position of the placement component (30); The drive assembly (50) comprises: a rotating portion (51), the rotating portion (51) being disposed at the first matching position (31) and being rotationally connected to the first rotating member (412); a control member (52), wherein a portion of the structure of the control member (52) is connected to the rotating portion (51) via the first through hole (35), and is used to drive the rotating portion (51) to rotate; The control member (52) is rotated, and the rotating portion (51) drives the first connecting member (411) to reciprocate along the first guide groove (32) to adjust the size of the second placement aperture.

5. The cell centrifuge according to claim 4, characterized in that The rotating part (51) includes: a first rotating disk (511), the first rotating disk (511) being disposed at the first matching position (31) and connected to the control member (52); a second connecting member (512), the second connecting member (512) being provided on a side of the first rotating disk (511) close to the cover body (10); A third connecting member (513), one end of the third connecting member (513) is rotatably connected to the first rotating member (412), and the other end is rotatably connected to the second connecting member (512).

6. The cell centrifuge according to claim 5, characterized in that The control member (52) includes: an adjusting knob (521), the adjusting knob (521) being located on a side of the driving assembly (50) close to the cover body (10); a fourth connecting member (522), the fourth connecting member (522) being disposed in the first through hole (35) and connecting the adjusting knob (521) and the first rotating disk (511); Wherein, the adjusting knob (521), the fourth connecting member (522) and the first rotating disk (511) are an integrated structure.

7. The cell centrifuge according to claim 6, characterized in that A second guide groove (33) is provided on a side of the placement component (30) close to the cover body (10); The control member (52) further comprises: A matching piece (523) is provided on a side of the adjusting knob (521) close to the second guide groove (33), and the matching piece (523) is engaged with the second guide groove (33).

8. The cell centrifuge according to claim 7, characterized in that The second guide groove (33) is provided with either a buckle structure or a slot structure, the matching piece (523) is provided with the other of the two, and there are multiple slot structures; The size of the second placement aperture is adjusted by cooperating the buckle structure with different slot structures.

9. The cell centrifuge according to claim 2, characterized in that include: A motor is provided on a side of the placement component (30) away from the cover body (10); a rotating shaft is installed at an output end of the motor, and the rotating shaft is connected to the placement component (30).

10. The cell centrifuge according to claim 2, characterized in that include: An anti-skid foot pad is provided on a side of the main body (20) away from the cover body (10).

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