CN215823364U

CN215823364U - Centrifugal equipment for medical examination

Info

Publication number: CN215823364U
Application number: CN202122508495.7U
Authority: CN
Inventors: 孙俪桐
Original assignee: Jiamusi University
Current assignee: Jiamusi University
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-02-15
Anticipated expiration: 2031-10-18

Abstract

The utility model relates to the technical field of medical equipment, in particular to centrifugal equipment for medical examination, which comprises a base and a centrifugal box arranged on the base; a power assembly for driving the centrifugal box to rotate is arranged below the base; a protective box is arranged on the outer side of the centrifugal box, the protective box is fixedly arranged on the base, and a box cover is rotatably arranged on the protective box; a fixed plate and a lifting plate are arranged in the protective box, the fixed plate is fixedly arranged in the centrifugal box, and an electric telescopic rod for driving the lifting plate to move up and down is arranged at the bottom end of the centrifugal box; a plurality of placing pipes are arranged on the fixing plate and penetrate through the top end of the centrifugal box; a plurality of placing pipes are all provided with a plurality of groups of clamping assemblies along the annular array. The test tube fixing device can be used for fixing test tubes with different diameters, and is high in operation efficiency and good in fixing effect.

Description

Centrifugal equipment for medical examination

Technical Field

The utility model relates to the technical field of medical equipment, in particular to centrifugal equipment for medical examination.

Background

The centrifugal phenomenon refers to the phenomenon of sedimentation movement of an object in a centrifugal force field, and an instrument for realizing the centrifugal technology is a centrifugal machine. Centrifugation is a method of separating, concentrating and purifying biological samples using centrifugal force of rotational motion and differences in sedimentation coefficients or buoyancy densities of substances. Under the high-speed rotation of the suspension, suspended tiny particles (organelles, the sediment of biological macromolecules and the like) are settled at a certain speed due to the action of huge centrifugal force, so that the solution is separated, concentrated and purified, and the settling speed of the particles depends on the rotating speed of a centrifugal machine, and the mass, the size and the density of the particles.

However, when various substances in medical liquid are centrifuged, the centrifuge apparatus is usually only suitable for test tubes with a single diameter, and cannot fix various test tubes, so that the adaptability is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems in the background art, and the utility model provides a centrifugal device for medical examination.

The technical scheme of the utility model is as follows: a centrifugal device for medical examination comprises a base and a centrifugal box arranged on the base; the bottom end of the base is provided with a plurality of supporting legs; a power assembly for driving the centrifugal box to rotate is arranged below the base; a protective box is arranged on the outer side of the centrifugal box, the protective box is fixedly arranged on the base, and a box cover is rotatably arranged on the protective box; the interior of the centrifugal box is of a hollow structure, a fixed plate and a lifting plate are sequentially arranged in the protective box from top to bottom, the fixed plate is fixedly arranged in the centrifugal box, and an electric telescopic rod for driving the lifting plate to move up and down is arranged at the bottom end of the centrifugal box; a plurality of placing pipes are arranged on the fixing plate and penetrate through the top end of the centrifugal box; a plurality of groups of clamping assemblies are arranged on the plurality of placing pipes along an annular array, each group of clamping assemblies comprises a push rod, a movable rod A, a limiting ring A, a spring and a clamping plate, the movable rod A is arranged on the placing pipe in a sliding mode, two ends of the movable rod A are arranged on the inner side and the outer side of the placing pipe respectively, the clamping plate is arranged at the end portion of the movable rod A and located inside the placing pipe, a semi-sphere is arranged at the other end of the movable rod A, the limiting ring A is arranged on the movable rod A, the spring is sleeved on the movable rod A, two ends of the spring are abutted against the limiting ring A and the outer wall of the placing pipe respectively, the push rods are fixedly arranged on the lifting plate, the upper portions of the push rods movably penetrate through the fixing plate and are in contact with the semi-sphere on one corresponding side, an inclined surface is arranged on one side, which is adjacent to the placing pipe, and the inclined surface is inclined from the top to one side of the placing pipe; the protective box is provided with a controller.

Preferably, a limiting sliding groove is formed in the movable rod A, a pressure sensor is arranged in the limiting sliding groove, the end part of the movable rod B corresponding to one side is movably arranged in the limiting sliding groove, and a limiting ring B used for limiting the movable rod A is arranged on the movable rod B.

Preferably, the number of the clamping assemblies arranged on each placing pipe is not less than three.

Preferably, a rubber pad A is arranged on one side surface of the clamping plate, which is far away from the movable rod A; a plurality of inside bottoms of placing the pipe all are provided with rubber pad B.

Preferably, the bottom end of the base is provided with an installation box, the base is provided with a circular hole, and the circular hole is positioned right above the installation box; the bottom end of the centrifugal box is provided with a rotating shaft, and the centrifugal box is rotatably connected with the installation box through the rotating shaft; the power assembly comprises a motor, a driving gear and a driven gear, the motor is fixedly arranged in the installation box, the driving gear is arranged on an output shaft of the motor, the driven gear is arranged on the rotating shaft, and the driving gear is meshed with the driven gear.

Preferably, the inner side surface of the box cover is provided with a plurality of ultraviolet lamp tubes.

Preferably, a plurality of balls are installed at the bottom end of the centrifugal box, and an annular groove for the plurality of balls to roll is formed in the base.

Preferably, the bottom of a plurality of supporting legs all is provided with the blotter.

Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects: the electric telescopic handle is started to work, the electric telescopic handle drives the lifting plate to move upwards, the lifting plate moves and then drives the push rods to move, the push rods move upwards to push the movable rods A to move towards the inner side of the placing pipe, and then the rubber pads A are driven to be in contact with the outer wall of the test pipe to be clamped tightly.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view of the inside of the centrifugal case of the present invention.

FIG. 3 is a sectional view of the interior of the laying pipe in the present invention.

Fig. 4 is a schematic structural view of the connection relationship between the movable rod B and the movable rod a on the corresponding side in the present invention.

Fig. 5 is a partially enlarged structural view of a portion a of fig. 2.

Reference numerals: 1. a base; 101. a circular hole; 2. a protective box; 201. a box cover; 3. a centrifuge box; 4. An ultraviolet lamp tube; 5. placing a tube; 6. supporting legs; 7. a controller; 8. a lifting plate; 9. a fixing plate; 10. Installing a box; 11. an electric telescopic rod; 12. a rotating shaft; 13. a motor; 14. a driving gear; 15. a driven gear; 16. a push rod; 161. a bevel; 17. a movable rod A; 171. a semi-sphere; 18. a limiting ring A; 19. A spring; 20. a clamping plate; 21. a rubber pad A; 22. a rubber pad B; 23. a movable rod B; 24. a pressure sensor; 25. a limiting ring B; 26. a limiting chute; 27. a ball bearing; 28. a cushion pad.

Detailed Description

Example one

As shown in fig. 1-5, the centrifugal apparatus for medical examination provided by the present invention comprises a base 1 and a centrifugal box 3 disposed on the base 1; the bottom end of the base 1 is provided with a plurality of supporting legs 6, the bottom ends of the supporting legs 6 are provided with buffer cushions 28, and the arranged buffer cushions 28 can play a role in damping and buffering, so that the stability of the whole equipment is improved; a power component for driving the centrifugal box 3 to rotate is arranged below the base 1; the bottom end of the base 1 is provided with an installation box 10, a circular hole 101 is formed in the base 1, and the circular hole 101 is located right above the installation box 10; the bottom end of the centrifugal box 3 is provided with a rotating shaft 12, the centrifugal box 3 is rotatably connected with the installation box 10 through the rotating shaft 12, the bottom end of the centrifugal box 3 is provided with a plurality of balls 27, the base 1 is provided with an annular groove for the plurality of balls 27 to roll, and the arranged balls 27 can reduce the resistance generated in the rotation process of the centrifugal box 3; the power assembly comprises a motor 13, a driving gear 14 and a driven gear 15, the motor 13 is fixedly arranged inside the installation box 10, the driving gear 14 is arranged on an output shaft of the motor 13, the driven gear 15 is arranged on the rotating shaft 12, and the driving gear 14 is meshed with the driven gear 15; a protective box 2 is arranged on the outer side of the centrifugal box 3, the protective box 2 is fixedly arranged on the base 1, and a box cover 201 is rotatably arranged on the protective box 2; a plurality of ultraviolet lamp tubes 4 are arranged on the inner side surface of the box cover 201, the box cover 201 is closed, and then the switches of the ultraviolet lamp tubes 4 are opened, so that the inside of the protective box 2 can be sterilized; the interior of the centrifugal box 3 is of a hollow structure, the interior of the protective box 2 is sequentially provided with a fixed plate 9 and a lifting plate 8 from top to bottom, the fixed plate 9 is fixedly arranged in the centrifugal box 3, and the bottom end of the centrifugal box 3 is provided with an electric telescopic rod 11 for driving the lifting plate 8 to move up and down; a plurality of placing pipes 5 are arranged on the fixing plate 9, and the placing pipes 5 penetrate through the top end of the centrifugal box 3; a plurality of holding components are arranged on a plurality of placing pipes 5 along an annular array, the number of the holding components arranged on each placing pipe 5 is not less than three, each holding component comprises a push rod 16, a movable rod A17, a spacing ring A18, a spring 19 and a holding plate 20, the movable rod A17 is arranged on the placing pipe 5 in a sliding manner, two ends of the movable rod A17 are respectively arranged at the inner side and the outer side of the placing pipe 5, the holding plate 20 is arranged at the end part of the movable rod A17 and is positioned in the placing pipe 5, the other end of the movable rod A17 is provided with a semi-sphere 171, the spacing ring A18 is arranged on the movable rod A17, the spring 19 is sleeved on the movable rod A17, two ends of the spring 19 are respectively abutted against the spacing ring A18 and the outer wall of the placing pipe 5, the push rod 16 is fixedly arranged on the lifting plate 8, the upper part of the push rod movably penetrates through the fixing plate 9 and is contacted with the semi-sphere 171 at the corresponding side, an inclined surface 161 is arranged at the top end of the push rod 16 adjacent to the placing pipe 5, the inclined plane 161 inclines from the top to one side of the placing tube 5, a rubber pad A21 is arranged on one side surface of the clamping plate 20 away from the movable rod A17, and the rubber pad A21 is arranged to prevent the clamping plate 20 from being in hard contact with the test tube so as to protect the test tube from being damaged; rubber pads B22 are arranged at the bottom ends of the plurality of placing tubes 5, and the rubber pads B22 can protect the bottoms of the test tubes; the protective box 2 is provided with a controller 7.

In the embodiment, when centrifugal operation is performed, a plurality of test tubes are respectively arranged inside a plurality of placing tubes 5, then the electric telescopic rod 11 is started to operate, the electric telescopic rod 11 drives the lifting plate 8 to move upwards, the lifting plate 8 moves and further drives a plurality of push rods 16 to move, the push rods 16 move upwards to push the movable rods A17 to move towards the inner sides of the placing tubes 5, further drive the rubber pads A21 to be in contact with and clamp the outer walls of the test tubes, thereby fixing the plurality of test tubes is completed, then the box cover 201 is closed, the motor 13 is started to operate, the motor 13 drives the centrifugal box 3 to rotate, further can perform centrifugal operation on solution in the test tubes, after the operation is finished, the box cover 201 can be opened, the electric telescopic rod 11 is started again to operate to drive the lifting plate 8 to move downwards, so as to remove the fixing operation on the plurality of test tubes, the test tubes with different diameters can be fixed, the operation efficiency is high, and fixed effectual.

Example two

As shown in fig. 4, compared to the first embodiment, in the present embodiment, a limiting sliding groove 26 is disposed inside a movable rod a17, a pressure sensor 24 is disposed inside the limiting sliding groove 26, an end of a corresponding movable rod B23 is movably disposed in the limiting sliding groove 26, and a limiting ring B25 for limiting itself is disposed on the movable rod B23.

In this embodiment, the pressure sensor 24 that sets up can detect movable rod B23 to its pressure that causes, can set for the pressure value of injecing through the controller 7 that sets up, and when pressure reached the limit value, pressure sensor 24 feeds back information to controller 7, controls electric telescopic handle 11 stop work by controller 7 again for the centre gripping dynamics is controllable, avoids causing the damage to the test tube, and degree of automation is higher.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The centrifugal equipment for medical examination is characterized by comprising a base (1) and a centrifugal box (3) arranged on the base (1); the bottom end of the base (1) is provided with a plurality of supporting legs (6); a power assembly for driving the centrifugal box (3) to rotate is arranged below the base (1); a protective box (2) is arranged on the outer side of the centrifugal box (3), the protective box (2) is fixedly arranged on the base (1), and a box cover (201) is rotatably arranged on the protective box (2); the interior of the centrifugal box (3) is of a hollow structure, a fixed plate (9) and a lifting plate (8) are sequentially arranged in the protective box (2) from top to bottom, the fixed plate (9) is fixedly arranged in the centrifugal box (3), and an electric telescopic rod (11) for driving the lifting plate (8) to move up and down is arranged at the bottom end of the centrifugal box (3); a plurality of placing pipes (5) are arranged on the fixing plate (9), and the placing pipes (5) penetrate through the top end of the centrifugal box (3); a plurality of groups of clamping components are arranged on the plurality of placing pipes (5) along an annular array, each group of clamping components comprises a push rod (16), a movable rod A (17), a limiting ring A (18), a spring (19) and a clamping plate (20), the movable rod A (17) is arranged on the placing pipes (5) in a sliding mode, two ends of the movable rod A (17) are arranged on the inner side and the outer side of the placing pipes (5) respectively, the clamping plates (20) are arranged at the end portions of the movable rods A (17) and located inside the placing pipes (5), semicircular balls (171) are arranged at the other ends of the movable rods A (17), the limiting rings A (18) are arranged on the movable rods A (17), the springs (19) are sleeved on the movable rods A (17), two ends of the springs (19) are abutted against the limiting rings A (18) and the outer walls of the placing pipes (5) respectively, the push rods (16) are fixedly arranged on the lifting plates (8), the upper portions of the push rods movably penetrate through the fixing plates (9) and are contacted with the semicircular balls (171) on one corresponding sides, an inclined plane (161) is arranged on one side surface of the top end of the push rod (16) close to the placing pipe (5), and the inclined plane (161) inclines from the top to one side of the placing pipe (5); the protective box (2) is provided with a controller (7).

2. The centrifugal apparatus for medical examination according to claim 1, wherein a limiting sliding groove (26) is provided inside a movable rod a (17), a pressure sensor (24) is provided inside the limiting sliding groove (26), an end portion of the movable rod B (23) corresponding to one side is movably provided in the limiting sliding groove (26), and a limiting ring B (25) for limiting itself is provided on the movable rod B (23).

3. A centrifugal apparatus for medical examination as claimed in claim 1, wherein the number of the holding members provided on each placing tube (5) is not less than three.

4. The centrifugal apparatus for medical examination as claimed in claim 1, wherein a rubber pad a (21) is provided on a side of the holding plate (20) away from the movable rod a (17); the bottom ends of the inner parts of the plurality of placing pipes (5) are provided with rubber pads B (22).

5. The centrifugal device for medical examination according to claim 1, wherein the bottom end of the base (1) is provided with a mounting box (10), the base (1) is provided with a circular hole (101), and the circular hole (101) is positioned right above the mounting box (10); the bottom end of the centrifugal box (3) is provided with a rotating shaft (12), and the centrifugal box (3) is rotatably connected with the installation box (10) through the rotating shaft (12); the power assembly comprises a motor (13), a driving gear (14) and a driven gear (15), the motor (13) is fixedly arranged inside the installation box (10), the driving gear (14) is arranged on an output shaft of the motor (13), the driven gear (15) is arranged on the rotating shaft (12), and the driving gear (14) is meshed with the driven gear (15) and is connected with the driven gear (15).

6. A centrifugal device for medical examination as claimed in claim 1, wherein the inner side of the case cover (201) is provided with a plurality of ultraviolet lamps (4).

7. A centrifugal device for medical examination according to claim 1, wherein the bottom end of the centrifugal box (3) is provided with a plurality of balls (27), and the base (1) is provided with an annular groove for the plurality of balls (27) to roll.

8. A centrifugal apparatus for medical examination as claimed in claim 1, wherein the bottom ends of the plurality of support legs (6) are each provided with a cushion (28).