CN217043021U

CN217043021U - Pathological cell centrifugal device

Info

Publication number: CN217043021U
Application number: CN202220664020.9U
Authority: CN
Inventors: 刘君
Original assignee: Sun Yat Sen University Cancer Center
Current assignee: Sun Yat Sen University Cancer Center
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-07-26
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses a pathological cell centrifugation device, the utility model relates to a cell centrifugation technical field, the utility model discloses a mount pad, sealed lid is installed to the top surface of mount pad, the motor is installed to the inner diapire of mount pad, and the output of motor installs centrifugal shell, the internally mounted of centrifugal shell has the pressure bucket, sealed screw hole has been seted up to the top surface of centrifugal shell, the inside threaded connection of sealed screw hole has the lead screw. This pathology cell centrifugal device rises in the inside of sealed screw hole through rotating the lead screw, the lead screw area piston rises to extrude the inside of annular gasbag from the pneumatic tube with the inside piston top air of pressure pot, annular gasbag inflation extrusion antiskid ring is hugged closely reagent tube surface and is fixed with it, the stability of reagent pipe has been guaranteed, annular gasbag shrink realizes fixing the reagent pipe of different specifications, avoid the tradition can only place the test tube of a model, the great problem of limitation.

Description

Pathological cell centrifugal device

Technical Field

The utility model relates to a cell centrifugation technical field specifically is a pathological cell centrifugal device.

Background

Cell centrifugation is a basic means for researching cell nucleus, mitochondria, Golgi body, lysosome and microbody and various macromolecules, and uses the centrifugal force when an object rotates at high speed to settle or float suspended particles in a rotating body so as to concentrate or separate some particles from other particles.

The inconvenience is placed to current desk-top centrifuge test tube, and the stability of reagent pipe is also relatively poor, can only place the test tube of a model simultaneously, and the limitation is great, and reagent pipe loading and unloading are inconvenient, have reduced cell centrifugal operation speed and work efficiency.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides a pathology cell centrifugal device has solved the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a pathological cell centrifugal device comprises a mounting seat, a sealing cover is arranged on the top surface of the mounting seat, a motor is arranged on the inner bottom wall of the mounting seat, and the output end of the motor is provided with a centrifugal shell, the interior of the centrifugal shell is provided with a pressure barrel, the top surface of the centrifugal shell is provided with a sealing threaded hole, the interior of the sealing threaded hole is connected with a screw rod by screw threads, the bottom end of the screw rod is positioned in the pressure barrel, the bottom end of the screw rod is rotatably connected with a piston, the top surface of the centrifugal shell is embedded with a test tube barrel in a penetrating way, the inner wall of the test tube barrel is fixedly provided with an annular air bag, the outside of the top end of the pressure barrel is communicated with an air pressure tube, and one end of the air pressure pipe, which is far away from the test tube barrel, penetrates through the test tube barrel and is communicated with the annular air bag, the inside of the annular air bag is fixedly connected with an anti-skidding ring, and the discharging mechanism is arranged inside the centrifugal shell.

Preferably, the bottom surface of the piston is fixedly connected with a positioning column, the outside of the positioning column is connected with a positioning pipe in a sliding manner, and the bottom end of the positioning pipe is fixedly connected with the inner bottom wall of the centrifugal shell.

Preferably, the bottom surface of centrifugal shell is fixed with the universal ball truckle, and the quantity of universal ball truckle is three at least.

Preferably, the top end of the screw rod is fixedly connected with a handle, and the outer surface of the handle is fixedly connected with an anti-skidding convex rod.

Preferably, discharge mechanism includes the test tube seat, every the below of test tube section of thick bamboo all is provided with the test tube seat, and the inside of test tube seat sets up there is the gas pocket, interior cylinder is installed to the bottom surface of test tube seat, the bottom cover of interior cylinder is equipped with outer cylinder, and the interior diapire fixed connection of outer cylinder and centrifugal shell, the intercommunication that runs through of pressure bucket has the gas-supply pipe, and the one end that the pressure bucket was kept away from to the gas-supply pipe is linked together with outer cylinder bottom, the spring is installed to the bottom surface of test tube seat, and the spring cup joints the outside at outer cylinder.

Preferably, the bottom end of the inner cylinder barrel is provided with a sealing gasket, and the sealing gasket is in contact with the inner wall of the outer cylinder barrel.

The utility model provides a pathological cell centrifugal device. The method has the following beneficial effects:

(1) this pathology cell centrifugal device rises in the inside of sealed screw hole through rotating the lead screw, and the lead screw area piston rises to extrude the inside of annular gasbag from the pneumatic tube discharge with the inside piston top air of pressure cylinder, and annular gasbag inflation extrusion antiskid circle is hugged closely reagent pipe surface and is fixed with it, has guaranteed the stability of reagent pipe, and annular gasbag shrink realizes fixing the reagent pipe of different specifications, avoids the tradition can only place the test tube of a model, the great problem of limitation.

(2) This pathology cell centrifugal device makes the inside piston below air push down of pressure bucket through the piston decline, and the air gets into the inside of outer cylinder through the gas-supply pipe and with interior cylinder and test tube seat jack-up, the test tube seat rises to take reagent pipe to rise from the test tube section of thick bamboo in and take out can, make the convenient quick taking out of reagent pipe, it is inconvenient to avoid traditional reagent pipe loading and unloading, has reduced the problem of cell centrifugal operation speed and work efficiency.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the mounting base of the present invention;

FIG. 3 is a schematic view of the internal structure of the centrifugal shell of the present invention;

FIG. 4 is a schematic view of the internal structure of the test tube cartridge of the present invention;

FIG. 5 is a schematic view of the internal structure of the outer cylinder of the present invention;

fig. 6 is a schematic view of the internal structure of the pressure barrel of the present invention.

In the figure: 1. a sealing cover; 2. a mounting base; 3. centrifuging the shell; 4. a positioning tube; 5. a lead screw; 6. sealing the threaded hole; 7. testing the tube barrel; 8. a universal ball caster; 9. a discharge mechanism; 10. a motor; 11. a pressure barrel; 12. a positioning column; 13. a piston; 14. a handle; 15. an annular air bag; 16. an anti-slip ring; 17. a pneumatic tube; 91. a test tube seat; 92. an outer cylinder barrel; 93. an inner cylinder; 94. a spring; 95. a gas delivery pipe; 96. air holes; 97. and a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a pathological cell centrifugal device comprises a mounting seat 2, a sealing cover 1 is installed on the top surface of the mounting seat 2, a motor 10 is installed on the inner bottom wall of the mounting seat 2, a centrifugal shell 3 is installed at the output end of the motor 10, a pressure barrel 11 is installed inside the centrifugal shell 3, a sealing threaded hole 6 is formed in the top surface of the centrifugal shell 3, a lead screw 5 is connected to the inner thread of the sealing threaded hole 6, the bottom end of the lead screw 5 is located inside the pressure barrel 11, a piston 13 is rotatably connected to the bottom end of the lead screw 5, a test tube barrel 7 is embedded in the top surface of the centrifugal shell 3 in a penetrating mode, an annular air bag 15 is fixedly installed on the inner wall of the test tube 7, an air pressure tube 17 is communicated with the outer portion of the top end of the pressure barrel 11 in a penetrating mode, one end, far away from the test tube barrel 7, of the air pressure tube 17 penetrates through the test tube barrel 7 and is communicated with the annular air bag 15, an anti-slip ring 16 is fixedly connected to the inner portion of the annular air bag 15, an unloading mechanism 9 is installed inside the centrifugal shell 3, through rotating lead screw 5 and rising in the inside of sealed screw hole 6, lead screw 5 takes piston 13 to rise and extrudes the inside of discharging into annular gasbag 15 from pneumatic tube 17 with the inside piston 13 top air of pressure bucket 11, annular gasbag 15 inflation extrusion antiskid circle 16 is hugged closely reagent pipe surface and is fixed with it, the stability of reagent pipe has been guaranteed, annular gasbag 15 contracts, the realization is fixed the reagent pipe of different specifications, avoid the tradition can only place the test tube of a model, the great problem of limitation.

Referring to fig. 6, a positioning column 12 is fixedly connected to a bottom surface of the piston 13, a positioning tube 4 is slidably connected to an outer portion of the positioning column 12, and a bottom end of the positioning tube 4 is fixedly connected to an inner bottom wall of the centrifugal shell 3, so that the piston 13 is positioned, and the piston 13 is prevented from shaking.

Referring to fig. 2, the bottom surface of the centrifugal shell 3 is fixedly provided with at least three ball casters 8, and the centrifugal shell 3 is supported at multiple points, so that the stability of the centrifugal shell 3 is improved.

Referring to fig. 1 and 3, a handle 14 is fixedly connected to the top end of the screw 5, and an anti-slip protruding rod is fixedly connected to the outer surface of the handle 14, so that the screw 5 does not need to be rotated by an external tool, friction between the anti-slip protruding rod and the hand of a worker is increased, and anti-slip performance is increased.

Referring to fig. 3 and 5, the discharging mechanism 9 includes a tube seat 91, a tube seat 91 is disposed below each tube seat 7, an air hole 96 is disposed inside the tube seat 91, an inner cylinder 93 is mounted on the bottom surface of the tube seat 91, an outer cylinder 92 is sleeved on the bottom end of the inner cylinder 93, the outer cylinder 92 is fixedly connected with the inner bottom wall of the centrifugal casing 3, an air pipe 95 is communicated with the pressure barrel 11, one end of the air pipe 95 far away from the pressure barrel 11 is communicated with the bottom end of the outer cylinder 92, a spring 94 is mounted on the bottom surface of the tube seat 91, the spring 94 is sleeved outside the outer cylinder 92, the piston 13 descends to push down air below the piston 13 inside the pressure barrel 11, the air enters the inner cylinder 92 through the air pipe 95 to jack up the inner cylinder 93 and the tube seat 91, the tube seat 91 ascends to take out the reagent tube from the tube seat 7, so that the reagent tube can be taken out quickly, the problems that the traditional reagent tube is inconvenient to assemble and disassemble and the cell centrifugal operation speed and the work efficiency are reduced are solved.

Referring to fig. 5, a gasket 97 is installed at the bottom end of the inner cylinder 93, and the gasket 97 contacts with the inner wall of the outer cylinder 92, so as to increase the sealing performance between the inner cylinder 93 and the outer cylinder 92, and make them more stable.

When the device works, firstly, a reagent tube is placed into the test tube barrel 7, the bottom end of the reagent tube falls into the test tube seat 91 to block the air hole 96, the screw rod 5 is rotated to ascend in the sealed threaded hole 6, the screw rod 5 drives the piston 13 to ascend to extrude air above the piston 13 in the pressure barrel 11 to be discharged into the annular air bag 15 from the air pressure tube 17, the annular air bag 15 expands to extrude the anti-skid ring 16 to be tightly attached to the surface of the reagent tube to fix the reagent tube, the piston 13 ascends to extract air below the piston 13 in the pressure barrel 11, the suction force is transmitted to the inside of the outer cylinder barrel 92 through the air pipe 95, the reagent tube is adsorbed and reinforced through the air hole 96 by generating the suction force in the outer cylinder barrel 92, the inner cylinder barrel 93 and the test tube seat 91 descend by the air extraction in the outer cylinder barrel 92, the test tube seat 91 descends by the spring 94, when the reagent tube needs to be disassembled, the screw rod 5 rotates to descend in the sealed threaded hole 6, the screw rod 5 drives the piston 13 to extract air above the piston 13 in the pressure barrel 11, the suction force is used for drawing out air in the annular air bag 15 through the pneumatic tube 17 to contract the annular air bag and release the reagent tube, the piston 13 descends to push down the air below the piston 13 in the pressure barrel 11, the air enters the outer cylinder 92 through the air delivery tube 95 to jack up the inner cylinder 93 and the reagent tube seat 91, and the reagent tube is lifted up from the test tube 7 by the ascending of the reagent tube seat 91.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pathological cell centrifugation device comprises a mounting seat (2), and is characterized in that: the test tube is characterized in that a sealing cover (1) is installed on the top surface of the mounting seat (2), a motor (10) is installed on the inner bottom wall of the mounting seat (2), a centrifugal shell (3) is installed at the output end of the motor (10), a pressure barrel (11) is installed inside the centrifugal shell (3), a sealing threaded hole (6) is formed in the top surface of the centrifugal shell (3), a lead screw (5) is connected to the inner thread of the sealing threaded hole (6), the bottom end of the lead screw (5) is located inside the pressure barrel (11), a piston (13) is connected to the bottom end of the lead screw (5) in a rotating mode, a test tube barrel (7) is embedded in the top surface of the centrifugal shell (3) in a penetrating mode, an annular air bag (15) is fixedly installed on the inner wall of the test tube barrel (7), an air pressure tube (17) is communicated with the outer portion of the top end of the pressure barrel (11), one end, far away from the test tube barrel (7), of the air pressure tube (17), penetrates through the test tube barrel (7) and is communicated with the annular air bag (15), the anti-skidding ring (16) is fixedly connected to the inside of the annular air bag (15), and the discharging mechanism (9) is installed inside the centrifugal shell (3).

2. The pathological cell centrifugation device of claim 1, wherein: the bottom surface fixedly connected with reference column (12) of piston (13), and the outside sliding connection of reference column (12) has registration arm (4), the bottom of registration arm (4) and the interior diapire fixed connection of centrifugal shell (3).

3. The pathological cell centrifuge as defined in claim 1, wherein: the bottom surface fixed mounting of centrifugal shell (3) has universal ball truckle (8), and the quantity of universal ball truckle (8) is three at least.

4. The pathological cell centrifuge as defined in claim 1, wherein: the top end of the screw rod (5) is fixedly connected with a handle (14), and the outer surface of the handle (14) is fixedly connected with an anti-skidding convex rod.

5. The pathological cell centrifugation device of claim 1, wherein: discharge mechanism (9) are including test tube seat (91), every the below of test tube barrel (7) all is provided with test tube seat (91), and the inside of test tube seat (91) is seted up has gas pocket (96), interior cylinder (93) are installed to the bottom surface of test tube seat (91), the bottom cover of interior cylinder (93) is equipped with outer cylinder (92), and the interior diapire fixed connection of outer cylinder (92) and centrifugal shell (3), the intercommunication that runs through of pressure bucket (11) has gas-supply pipe (95), and gas-supply pipe (95) keep away from the one end of pressure bucket (11) and outer cylinder (92) bottom and be linked together, spring (94) are installed to the bottom surface of test tube seat (91), and spring (94) cup joint the outside at outer cylinder (92).

6. The pathological cell centrifuge as defined in claim 5, wherein: the bottom of interior cylinder (93) is installed sealed pad (97), and sealed pad (97) and outer cylinder (92) inner wall contact.