CN218945323U

CN218945323U - Blood centrifugal device

Info

Publication number: CN218945323U
Application number: CN202223221394.2U
Authority: CN
Inventors: 叶亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-02
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses a blood centrifugal device, which belongs to the technical field of blood detection auxiliary machinery and comprises a workbench, an annular groove and a centrifugal table which is rotationally connected in the annular groove and is used for blood centrifugation, wherein a plurality of strip-shaped grooves are formed in the upper end of the centrifugal table, a limit column is fixedly connected to one side of the interior of the strip-shaped grooves, a telescopic rod is slidingly connected in the limit column, one end of the telescopic rod is fixedly connected with a first chuck, the bottom of the strip-shaped groove is slidingly connected with a second chuck, a motor is fixedly connected to the side wall of the annular groove, a gear is fixedly sleeved on a rotating shaft of the motor, a gear ring is fixedly sleeved on the side wall of the centrifugal table, and the gear is meshed with the gear ring. The blood centrifugal device can move the position of the test tube filled with blood on the centrifugal table so as to realize the simultaneous treatment of the blood requiring different centrifugal forces.

Description

Blood centrifugal device

Technical Field

The utility model belongs to the technical field of blood detection auxiliary machinery, and particularly relates to a blood centrifugal device.

Background

Blood centrifugation devices are medical devices that effect the separation, removal, and collection of various blood components from a donor/patient by gravity centrifugation. Consists of a centrifugal machine, a blood pump, a pressurizing cuff, a weighing assembly, a display screen, a control system and the like.

Most of the existing blood centrifugal devices are arranged in a clamping device fixedly arranged on the centrifugal device, and then the centrifugal device is started to finish centrifugal separation of blood in the test tube, however, different centrifugal forces are often needed to be adopted in the centrifugal separation process aiming at different blood samples and different detection purposes so as to obtain different separation effects, and at the moment, the existing blood centrifugal devices can only achieve one centrifugal force, so that a plurality of blood centrifugal devices are needed to finish different blood centrifugation, and the centrifugal detection efficiency is greatly increased.

For example, the existing chinese patent number is: CN212263583U is a blood centrifuge for clinical laboratory. Including the base that has the cavity and set up the driving motor in the cavity, driving motor's power end is connected with the pivot, the pivot runs through the top setting of base, the cover is equipped with drive gear in the pivot, drive gear sets up in the top of base, drive gear's the outside is provided with the rotation gear with drive gear meshing, rotation gear is annular evenly distributed in drive gear's periphery, rotation gear endotheca is equipped with the centrifugal tube cover that is used for placing the centrifuging tube.

When the device is used for centrifuging blood, a test tube filled with blood is placed in the centrifugal sleeve to centrifuge the blood, and only one centrifugal force can be realized, so that only one blood sample for detection purpose can be centrifuged, and when different blood samples and detection purposes are needed, a plurality of centrifugal devices are needed to be matched for completion, so that the device has a certain limitation.

Disclosure of Invention

The present utility model is directed to a blood centrifuge device, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a blood centrifugation device, includes workstation, ring channel and rotates the centrifugal platform that is used for blood centrifugation that connects in the ring channel is inside, a plurality of bar grooves have been seted up to the upper end of centrifugal platform, the inside one side fixedly connected with spacing post of bar groove, the inside sliding connection of spacing post has the telescopic link, the first chuck of one end fixedly connected with of telescopic link, the bottom sliding connection of bar groove has the second chuck, fixedly connected with motor on the ring channel lateral wall, fixedly cup jointed the gear in the motor shaft, fixedly cup jointed the ring gear on the lateral wall of centrifugal platform, the gear meshes with the ring gear.

Preferably, the limiting column is provided with a groove, the bottom of the groove is fixedly connected with a first spring, and the other end of the telescopic rod is fixedly connected to the first spring.

Preferably, the bottom of the strip-shaped groove is provided with a sliding groove, the lower end of the second chuck is fixedly connected with a sliding block, the sliding block is slidably connected inside the sliding groove, and the side wall of the sliding groove is symmetrically provided with limiting grooves.

Preferably, the side walls of the sliding blocks are symmetrically and fixedly connected with limiting blocks, and the two limiting blocks are respectively and slidably connected to the inner parts of the two limiting grooves.

Preferably, a plurality of clamping grooves are formed in one side wall of the two limiting grooves, one upper end of the two limiting blocks is fixedly connected with a limiting cylinder, a second spring is fixedly connected to the upper end of the inner side wall of the limiting cylinder, and a limiting disc is fixedly connected to the lower end of the second spring.

Preferably, the upper end of the centrifugal table is provided with a through groove which is communicated with the limit groove, a deflector rod is slidably connected in the through groove, and the lower end of the deflector rod penetrates through the second spring and is fixedly connected to the limit disc.

Preferably, the lower end of the limiting disc is fixedly connected with a clamping block, and the clamping block downwards penetrates through the limiting cylinder and the limiting block and extends into a clamping groove formed in the side wall of the limiting groove.

The utility model has the technical effects and advantages that:

the blood centrifugal device is characterized in that after a test tube filled with blood is placed between the first chuck and the second chuck, the telescopic rod and the first chuck are pushed by the second spring until the test tube is clamped. And then the deflector rod is lifted upwards to drive the limiting disc to compress the first spring upwards, and drive the clamping block at the lower end of the limiting disc to move upwards until the clamping block moves out of the clamping groove, and at the moment, according to a centrifugal force calculation formula: f=a.m, it can be known that the larger the radius of the circular motion in a, the larger the centrifugal force, then the shift lever is adjusted according to different blood samples and different centrifugal effects required, at this time, the shift lever drives the limiting cylinder and the limiting block to move, so that the sliding block is driven to move, the sliding block drives the second chuck to move, thereby realizing the adjustment of the test tube filled with blood according to different requirements, when the test tube is adjusted to a required position, the shift lever is released, at this time, the second spring pushes the clamping block downwards until the clamping block is clamped into the clamping groove, the fixation of the adjusted test tube is realized, and two or more test tubes filled with blood samples requiring the same centrifugal force are symmetrically arranged on the centrifugal table, so that stable centrifugal force can be kept when the centrifugal disc rotates. The device can move the position of the test tube filled with blood on the centrifugal table so as to realize the simultaneous treatment of the blood requiring different centrifugal forces.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1 according to the present utility model;

FIG. 3 is a cross-sectional view of a spacing post of the present utility model;

FIG. 4 is a cross-sectional view of a table of the present utility model;

FIG. 5 is a cross-sectional view of a bar-shaped groove of the present utility model;

FIG. 6 is a cross-sectional view of a side view of a bar slot in the present utility model;

FIG. 7 is an enlarged schematic view of the portion B of FIG. 6 according to the present utility model.

In the figure: 1. a work table; 2. an annular groove; 3. a centrifugal table; 4. a bar-shaped groove; 5. a limit column; 6. a telescopic rod; 7. a first chuck; 8. a second chuck; 9. a motor; 10. a gear; 11. a gear ring; 12. a limit groove; 13. a limiting block; 14. a slide block; 15. a limiting cylinder; 16. a deflector rod; 17. a clamping block; 18. a second spring; 19. a limiting disc; 20. a first spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

The utility model provides a blood centrifuging device as shown in figures 1-4, which comprises a workbench 1, an annular groove 2 and a centrifuging table 3 which is rotatably connected in the annular groove 2 and is used for centrifuging blood, wherein a plurality of strip-shaped grooves 4 are formed in the upper end of the centrifuging table 3, blood with various centrifuging requirements can be centrifuged at the same time, a limit post 5 is fixedly connected to one side in the strip-shaped grooves 4, a telescopic rod 6 is slidingly connected in the limit post 5, one end of the telescopic rod 6 is fixedly connected with a first chuck 7, a groove is formed in the limit post 5, a first spring 20 is fixedly connected to the bottom of the groove, the other end of the telescopic rod 6 is fixedly connected to the first spring 20, the first spring 20 can stretch out and compress along with the position adjustment of a test tube, the bottom of the strip-shaped grooves 4 is slidingly connected with a second chuck 8, the first chuck 7 and the second chuck 8 are respectively provided with arc-shaped grooves, the arc-shaped grooves are exactly matched with the test tube which holds blood, a chute is formed in the bottom of the strip-shaped grooves 4, a slider 14 is fixedly connected to the lower end of the second chuck 8, the slider 14 is slidingly connected in the chute, the side wall 12 is fixedly connected with a first spring 20, the other end of the telescopic rod 6 is fixedly connected to the first chuck is fixedly with a gear ring 11, the side wall is fixedly sleeved with a gear 11, a gear 11 is fixedly sleeved on the side wall 11 and a side wall of the motor is fixedly sleeved on the side wall 2, and is fixedly connected with a gear 11, and a gear 11 is fixedly sleeved with a gear 11, and a gear 11 is sleeved on the side wall 11.

As shown in fig. 5-7, the side walls of the slide block 14 are symmetrically and fixedly connected with the limiting blocks 13, the two limiting blocks 13 are respectively and slidably connected in the two limiting grooves 12, the limiting blocks 13 and the limiting grooves 12 are mutually matched to effectively limit the slide block 14, a plurality of clamping grooves are formed in one side wall of the two limiting grooves 12, one upper end of the two limiting blocks 13 is fixedly connected with the limiting cylinder 15, the upper end of the inner side wall of the limiting cylinder 15 is fixedly connected with the second spring 18, the lower end of the second spring 18 is fixedly connected with the limiting disc 19, downward pressure is applied to the limiting disc 19 in real time when the second spring 18 is not subjected to external force, the lower end of the limiting disc 19 is fixedly connected with the clamping block 17, the clamping block 17 downwards passes through the limiting cylinder 15 and the limiting blocks 13 and extends into the clamping grooves formed in the side wall of the limiting grooves 12, the clamping grooves are arranged in a plurality of positions according to blood requirements, the upper end of the centrifugal table 3 is fixedly connected with the limiting grooves 12, the through grooves are communicated with the limiting grooves 12, the through grooves are slidably connected with the inner side rods 16, and the lower ends of the second springs 16 are fixedly connected with the inner side rods 19, and the lower ends of the second springs are fixedly connected with the inner side rods 19.

Working principle:

when the blood centrifugal device is used, firstly, one end of a test tube filled with blood is inserted into the first chuck 7, then the test tube is pushed to the direction of the limit post 5, then the telescopic rod 6 fixedly connected to the first chuck 7 compresses the first spring 20 in the limit post 5, after the test tube is compressed to a certain extent, the test tube is pressed into the first spring parallel to the strip-shaped groove 4, then the other end of the test tube is inserted into the second chuck 8, then the first spring 20 extrudes and limits the test tube through the telescopic rod 6 and the first chuck 7, and when different centrifugal forces are required to be adjusted for different blood, a formula is calculated according to the centrifugal force: f=a×m, it is known that the larger the radius of the circular motion in a, the larger the centrifugal force. And then the deflector rod 16 is pulled upwards, so that the deflector rod 16 drives the limiting disc 19 fixedly connected with the lower end of the deflector rod to move upwards, the limiting disc 19 compresses the second spring 18 in the limiting cylinder 15, and then the clamping block 17 fixedly connected with the lower end of the limiting disc 19 is driven to move upwards until the clamping block 17 moves out of the clamping groove formed in the side wall of the limiting groove 12.

Then the limiting cylinder 15 and the limiting block 13 are driven to move according to the pushing deflector rod 16, the sliding block 14 fixedly connected with the limiting rod 13 is driven to move along the sliding groove through the limiting block 13, the second chuck 8 at the upper end of the sliding block 14 is driven to move, the test tube clamped in the second chuck 8 is driven to adjust according to the centrifugal force required by internal blood, the first spring 20 in the limiting column 5 stretches out and compresses according to the movement of the test tube, the test tube is extruded and limited at any time, after the test tube position adjustment is completed, the deflector rod 16 is released, then the limiting disc 19 fixedly connected with the limiting rod is driven to move downwards through the second spring 18 in the limiting cylinder 15, the clamping block 17 fixedly connected with the lower end of the limiting disc 19 is driven to move downwards until the tail end of the clamping block 17 is clamped in the clamping groove, limiting fixation of the test tube is achieved when the test tube is adjusted according to requirements, the motor 9 is started to drive the gear 10 fixedly sleeved on the rotating shaft of the test tube to rotate, the gear 10 is driven to rotate the gear 11 meshed with the test tube, and the centrifugal table 3 fixedly sleeved with the gear 11 is driven to rotate, and blood requiring different centrifugal force on the centrifugal table 3 is processed simultaneously.

The foregoing is only a preferred embodiment of the utility model, but the scope of the utility model is not limited thereto, and any person skilled in the art who is in the field of the utility model can apply equivalent substitution or modification to the technical solution and the inventive concept according to the utility model within the scope of the utility model.

Claims

1. The utility model provides a blood centrifugation device, includes workstation (1), ring channel (2) and rotates centrifugal table (3) that are used for blood centrifugation of being connected in ring channel (2) inside, its characterized in that: a plurality of bar grooves (4) have been seted up to the upper end of centrifugal platform (3), inside one side fixedly connected with spacing post (5) of bar groove (4), the inside sliding connection of spacing post (5) has telescopic link (6), the first chuck (7) of one end fixedly connected with of telescopic link (6), the bottom sliding connection of bar groove (4) has second chuck (8), fixedly connected with motor (9) on ring channel (2) lateral wall, fixed cup joint gear (10) in motor (9) pivot, fixed cup joint ring gear (11) on the lateral wall of centrifugal platform (3), gear (10) and ring gear (11) mesh mutually.

2. A blood centrifugation device according to claim 1, wherein: the limiting column (5) is provided with a groove, the bottom of the groove is fixedly connected with a first spring (20), and the other end of the telescopic rod (6) is fixedly connected to the first spring (20).

3. A blood centrifugation device as claimed in claim 2, wherein: the bottom of the strip-shaped groove (4) is provided with a sliding groove, the lower end of the second chuck (8) is fixedly connected with a sliding block (14), the sliding block (14) is slidably connected inside the sliding groove, and the side wall of the sliding groove is symmetrically provided with limiting grooves (12).

4. A blood centrifugation device according to claim 3, wherein: limiting blocks (13) are symmetrically and fixedly connected to the side walls of the sliding blocks (14), and the two limiting blocks (13) are respectively and slidably connected to the insides of the two limiting grooves (12).

5. A blood centrifugation device according to claim 4, wherein: a plurality of clamping grooves are formed in one side wall of the two limiting grooves (12), a limiting cylinder (15) is fixedly connected to one upper end of the limiting block (13), a second spring (18) is fixedly connected to the upper end of the inner side wall of the limiting cylinder (15), and a limiting disc (19) is fixedly connected to the lower end of the second spring (18).

6. A blood centrifugation device according to claim 5, wherein: the centrifugal table (3) upper end has seted up logical groove, and logical groove and spacing groove (12) intercommunication, logical inslot portion sliding connection has driving lever (16), driving lever (16) lower extreme passes inside second spring (18) to fixed connection is on spacing dish (19).

7. A blood centrifugation device as claimed in claim 6, wherein: the lower end of the limiting disc (19) is fixedly connected with a clamping block (17), and the clamping block (17) downwards penetrates through the limiting cylinder (15) and the limiting block (13) and extends into a clamping groove formed in the side wall of the limiting groove (12).