Cell sieve

Abstract

The utility model discloses a cell sieve, relates to cell separation sieve technical field, including chassis and a plurality of screening frame, the outside of chassis is fixedly equipped with two grip, the outside of a plurality of screening frame is all fixedly equipped with two fixed subassembly, the fixed subassembly is fixedly equipped with the screen mesh between the two fixed subassembly, the screen mesh is equipped with the fixed subassembly, the fixed subassembly is equipped with the fixed subassembly, and the screen mesh is equipped with the fixed subassembly. The screening frames are arranged on the base plate, the screening nets are arranged on the inner sides of the screening frames, a combined structure is arranged between the base plate and the screening frames, the combined structure comprises a plurality of first fixing frames, and according to the cell screen, one first rotating drum is driven to rotate through one connecting column; and thus, the multiple screening frames and the chassis are assembled, then two grips are held for shaking and screening, the cell screening device can screen various cells of different sizes at a time, operation is easy and convenient, and the screening efficiency is improved. And the working efficiency is improved.

Description

Technical Field

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

[0002] Cell sieves are generally used for laboratory cell culture, impurity filtration, cell dispersion, sample separation, etc. There are many types of cell sieves on the Chinese market, but the most widely used ones are the American BD FALCON cell strainer, the Korean SPL cell strainer and the Toscience stainless steel cell sieve.

[0003] The publication number is CN216129583U, which is a new type of cell separation screen, including a screen body, a fixing ring 1 is fixed in an annular manner on the inner wall of the bottom end of the screen body, a mesh body matching the screen body is provided on the top of the fixing ring 1, a sliding cylinder is embedded in the screen body for sliding sliding, a fixing ring 2 matching the fixing ring 1 is fixed in an annular manner on the bottom end of the sliding cylinder, and the bottom end of the fixing ring 2 is in conflict with the top of the mesh body.

[0004] Although the above scheme has many benefits, it also has the following defects: although the cell separation sieve can screen the cells placed in it through the mesh, when the cells need to be screened in multiple stages, multiple cell sieves with meshes of different sizes need to be used to perform the screening operation in sequence. The screening process takes a long time, which affects work efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a cell sieve to solve the problems raised in the prior art.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cell screen, comprising a chassis and several screening frames, two handles are fixedly installed on the outer side of the chassis, two fixed components are fixedly installed on the outer sides of several screening frames, a sub-screen is fixedly installed between the two fixed components, the sub-screen is arranged on the inner side of the screening frame, a combined structure is arranged between the chassis and the several screening frames, the combined structure includes several No. 1 fixed frames, several No. 1 fixed frames are grouped in twos, and each group of No. 1 fixed frames is respectively fixedly installed on the outer sides of several screening frames, a No. 1 limit frame is fixedly installed on the top of the No. 1 fixed frame, and a No. 1 rotating drum is rotatably installed on the top of the No. 1 fixed frame.

[0007] Preferably, a connecting column is rotatably installed at the bottom of the No. 1 fixing frame, one end of the connecting column passes through the No. 1 fixing frame and is fixedly connected to the No. 1 rotating drum, a vertical plate is fixedly installed at the bottom of the connecting column, and a horizontal plate is fixedly installed on one side of the vertical plate.

[0008] Preferably, a first slide groove is provided on the top of the No. 1 rotating drum, and the vertical plate and the horizontal plate are adaptively matched with the width of the first slide groove. The first slide groove cooperates with the vertical plate and the horizontal plate to be connected and rotated.

[0009] Preferably, a second slide groove is provided on one side of the No. 1 limit frame, and the height of the horizontal plate is adaptably matched with the height of the second slide groove. The horizontal plate can be limited in the vertical direction through the second slide groove provided on the No. 1 limit frame.

[0010] Preferably, two No. 2 fixing frames are fixedly installed on the outer side of the chassis, a No. 2 limiting frame is fixedly installed on the top of the two No. 2 fixing frames, and a No. 2 rotating drum is rotatably installed on the top of the two No. 2 fixing frames.

[0011] Preferably, a third slide groove and a fourth slide groove are respectively provided on the top of the No. 2 rotating drum and one side of the No. 2 limiting frame. The sizes of the third slide groove and the fourth slide groove are the same as those of the first slide groove and the second slide groove. The sizes of the No. 1 rotating drum and the No. 2 rotating drum are the same as those of the No. 1 limiting frame and the No. 2 limiting frame.

[0012] Preferably, one end of the two No. 2 rotating drums passes through two No. 2 fixed frames and are fixedly installed with worm gears, one side of the two No. 2 fixed frames is fixedly installed with a fixed seat, a worm is rotatably installed between the two fixed seats, one end of the worm passes through one of the fixed seats and is fixedly installed with a turntable, and the worm wheel and the worm are meshingly connected.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The present application drives the worm to rotate by rotating the turntable, thereby driving the worm gear to engage and rotate, so that the No. 2 rotating drum rotates accordingly, thereby driving the vertical plate and the horizontal plate to rotate accordingly, and the vertical plate and the horizontal plate on the outside of the bottom screening frame are screwed into the fourth slide groove of the No. 2 limit frame for limiting. As one of the vertical plates rotates, it will drive one of the No. 1 rotating drums to rotate through one of the connecting columns, thereby driving the other vertical plate and the horizontal plate to rotate to the second slide groove of the other No. 1 limit frame for limiting, thereby completing the assembly between multiple screening frames and the chassis, and then holding the two handles to shake and screen, so that the device can screen cells of multiple different sizes at one time, which is simple and convenient to operate and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a cell sieve of the present invention;

[0016] Figure 2 This is a top view of the overall structure of a cell sieve of the utility model;

[0017] Figure 3This is a schematic diagram of the structure of the screening frame of a cell screen of the present invention;

[0018] Figure 4 This is a schematic structural diagram of the chassis portion of a cell screen of the present invention.

[0019] Numbers in the figure: 1. Chassis; 2. Handle; 3. Screening frame; 4. Fixing assembly; 5. Screening mesh; 6. Fixing frame No. 1; 7. Limiting frame No. 1; 8. Rotating drum No. 1; 9. Connecting column; 10. Vertical plate; 11. Horizontal plate; 12. Fixing frame No. 2; 13. Rotating drum No. 2; 14. Limiting frame No. 2; 15. Worm gear; 16. Fixing seat; 17. Worm; 18. Turntable. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Example: Figure 1 - Figure 4 As shown, the utility model provides a technical solution for a cell screen, comprising a chassis 1 and several screening frames 3, two handles 2 are fixedly installed on the outer side of the chassis 1, two fixing components 4 are fixedly installed on the outer sides of the several screening frames 3, a sub-screen 5 is fixedly installed between the two fixing components 4, the sub-screen 5 is arranged on the inner side of the screening frame 3, a combined structure is arranged between the chassis 1 and the several screening frames 3, the combined structure comprises several No. 1 fixing frames 6, several No. 1 fixing frames 6 are grouped in pairs, and each group of No. 1 fixing frames 6 are respectively fixedly installed on the outer sides of the several screening frames 3, a No. 1 limiting frame 7 is fixedly installed on the top of the No. 1 fixing frame 6, and a No. 1 rotating drum 8 is rotatably installed on the top of the No. 1 fixing frame 6.

[0022] As for the structural technology of the fixing component 4, the specific structure of a new type of cell separation screen with publication number CN216129583U is adopted.

[0023] A connecting column 9 is rotatably installed at the bottom of the No. 1 fixing frame 6. One end of the connecting column 9 passes through the No. 1 fixing frame 6 and is fixedly connected to the No. 1 rotating drum 8. A vertical plate 10 is fixedly installed at the bottom of the connecting column 9, and a horizontal plate 11 is fixedly installed on one side of the vertical plate 10.

[0024] A first chute is provided on the top of the No. 1 rotating drum 8 , and the vertical plate 10 and the horizontal plate 11 are adaptively matched with the width of the first chute.

[0025] A second chute is provided on one side of the No. 1 limiting frame 7 , and the height of the transverse plate 11 is adaptively matched to the height of the second chute.

[0026] Two No. 2 fixing frames 12 are fixedly installed on the outer side of the chassis 1, a No. 2 limiting frame 14 is fixedly installed on the top of the two No. 2 fixing frames 12, and a No. 2 rotating drum 13 is rotatably installed on the top of the two No. 2 fixing frames 12.

[0027] A third chute and a fourth chute are respectively provided on the top of the second rotating drum 13 and one side of the second limiting frame 14 . The sizes of the third chute and the fourth chute are the same as those of the first chute and the second chute.

[0028] One end of the two No. 2 rotating drums 13 passes through the two No. 2 fixed frames 12 respectively, and a worm gear 15 is fixedly installed on each of them. A fixed seat 16 is fixedly installed on one side of the two No. 2 fixed frames 12. A worm 17 is rotatably installed between the two fixed seats 16. One end of the worm 17 passes through one of the fixed seats 16 and a turntable 18 is fixedly installed thereon. The worm gear 15 and the worm 17 are meshed and connected.

[0029] It should be noted that the present invention is a cell sieve. When in use, the cells are poured into the screening frame 3, and then the staff holds the two handles 2 to shake the entire device. During the shaking process, the cells will be screened through the screening mesh 5. Smaller cells will fall through the screening mesh 5 into the bottom plate 1 for storage, and larger cells will remain on the top of the screening mesh 5, thereby completing the cell screening.

[0030] When it is necessary to perform multi-level screening of cells, the screening frames 3 of multiple sieves 5 with different apertures are assembled in sequence according to the aperture size, with the larger one placed on top and the smaller one placed on the bottom. The vertical plate 10 and the horizontal plate 11 on the outside of the upper screening frame 3 are inserted into the first chute of the No. 1 drum 8 on the outside of the lower screening frame 3, and then the vertical plate 10 and the horizontal plate 11 on the outside of the bottom screening frame 3 are inserted into the third chute of the No. 2 drum 13 to assemble the multiple screening frames 3 and the chassis 1. At this time, the turntable 18 is rotated, and the turntable 18 drives the worm 17 to rotate, which drives the worm gear 15 to engage and rotate, so that the No. 2 drum 13 rotates accordingly, to drive The vertical plates 10 and the horizontal plates 11 rotate accordingly, and the vertical plates 10 and the horizontal plates 11 on the outside of the bottom screening frame 3 are screwed into the fourth slide groove of the No. 2 limit frame 14 for limiting. As one of the vertical plates 10 rotates, it will drive one of the No. 1 rotating drums 8 to rotate through one of the connecting columns 9, thereby driving the other vertical plate 10 and the horizontal plate 11 to rotate to the inside of the second slide groove of another No. 1 limit frame 7 for limiting, thereby completing the assembly between multiple screening frames 3 and the chassis 1, and then holding the two handles 2 to shake and screen, so that the device can screen cells of multiple different sizes at one time, which is simple and convenient to operate and improves work efficiency.

[0031] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A cell sieve, characterized in that: The invention comprises a chassis (1) and a plurality of screening frames (3), wherein two handles (2) are fixedly installed on the outer side of the chassis (1), two fixing assemblies (4) are fixedly installed on the outer sides of the plurality of screening frames (3), a sub-screen (5) is fixedly installed between the two fixing assemblies (4), and the sub-screen (5) is arranged on the inner side of the screening frame (3), and a combined structure is arranged between the chassis (1) and the plurality of screening frames (3), wherein the combined structure comprises a plurality of No. 1 fixing frames (6), wherein the plurality of No. 1 fixing frames (6) are grouped in pairs, and each group of No. 1 fixing frames (6) is respectively fixedly installed on the outer sides of the plurality of screening frames (3), a No. 1 limiting frame (7) is fixedly installed on the top of the No. 1 fixing frame (6), and a No. 1 rotating drum (8) is rotatably installed on the top of the No. 1 fixing frame (6).

2. A cell sieve according to claim 1, characterized in that: A connecting column (9) is rotatably mounted on the bottom of the No. 1 fixing frame (6), one end of the connecting column (9) passes through the No. 1 fixing frame (6) and is fixedly connected to the No. 1 rotating drum (8), a vertical plate (10) is fixedly mounted on the bottom of the connecting column (9), and a horizontal plate (11) is fixedly mounted on one side of the vertical plate (10).

3. A cell sieve according to claim 2, characterized in that: A first chute is provided on the top of the No. 1 rotating drum (8), and the vertical plate (10) and the horizontal plate (11) are adaptively matched to the width of the first chute.

4. A cell sieve according to claim 2, characterized in that: A second slide groove is provided on one side of the No. 1 limiting frame (7), and the height of the transverse plate (11) is adaptively matched to the height of the second slide groove.

5. The cell sieve according to claim 1, characterized in that: Two No. 2 fixing frames (12) are fixedly mounted on the outer side of the chassis (1), a No. 2 limiting frame (14) is fixedly mounted on the top of the two No. 2 fixing frames (12), and a No. 2 rotating drum (13) is rotatably mounted on the top of the two No. 2 fixing frames (12).

6. The cell sieve according to claim 5, characterized in that: A third chute and a fourth chute are respectively provided on the top of the No. 2 rotating drum (13) and one side of the No. 2 limiting frame (14). The sizes of the third chute and the fourth chute are the same as those of the first chute and the second chute.

7. The cell sieve according to claim 5, characterized in that: One end of the two No. 2 rotating drums (13) respectively passes through the two No. 2 fixed frames (12) and is fixedly mounted with a worm gear (15), one side of the two No. 2 fixed frames (12) is fixedly mounted with a fixed seat (16), a worm (17) is rotatably mounted between the two fixed seats (16), one end of the worm (17) passes through one of the fixed seats (16) and is fixedly mounted with a turntable (18), and the worm gear (15) and the worm (17) are meshedly connected.

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