CN218945323U - Blood centrifugal device - Google Patents

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

A blood centrifugation device

technical field

The utility model belongs to the technical field of blood detection auxiliary machinery, in particular to a blood centrifugal device.

Background technique

The blood centrifuge device is a medical device that separates, removes and collects various blood components from blood donors/patients by means of gravity centrifugation. It consists of centrifuge, blood pump, pressurized cuff, weighing components, display screen and control system and other components.

Most of the existing blood centrifugation devices place the test tubes containing blood in the clamping device fixedly set on the centrifugation device, and then start the centrifugation device to complete the centrifugation of the blood in the test tube. However, for different blood samples and different In the centrifugation process, it is often necessary to use different centrifugal forces in order to obtain different separation effects. At this time, the existing blood separation device can only achieve one centrifugal force, so multiple blood centrifugation devices are needed to complete different The centrifugation of blood greatly increases the efficiency of centrifugation detection.

Such as existing Chinese patent No. is: CN212263583U a kind of laboratory blood centrifugation device. It includes a base with a chamber and a driving motor arranged in the chamber, the power end of the driving motor is connected to a rotating shaft, the rotating shaft is set through the top of the base, and a driving gear is set on the rotating shaft, and the driving gear is arranged on the On the top of the base, a rotating gear meshed with the driving gear is arranged on the outside of the driving gear, and the rotating gear is evenly distributed in the periphery of the driving gear in a ring shape, and a centrifuge sleeve for placing the centrifuge tube is sleeved inside the rotating gear.

When the above-mentioned device centrifuges the blood, it centrifuges the blood by putting the test tube containing the blood into the inside of the centrifuge sleeve. The above-mentioned device can only realize one kind of centrifugal force, so it can only detect one kind of blood sample. For centrifugation of the target blood, when different blood samples and detection purposes are required, multiple centrifugation devices are required to complete the centrifugation, so the above-mentioned devices have certain limitations.

Utility model content

The purpose of this utility model is to provide a blood centrifugation device to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a blood centrifugation device, including a workbench, an annular groove and a centrifugal platform for blood centrifugation that is rotatably connected to the inside of the annular groove, and the upper end of the centrifugal platform is provided with multiple a strip-shaped slot, one side of the interior of the strip-shaped slot is fixedly connected to a limiting column, and a telescopic rod is slidably connected to the interior of the space-limiting post, and one end of the telescopic rod is fixedly connected to a first chuck, and the strip-shaped slot A second chuck is slidably connected to the bottom of the annular groove, a motor is fixedly connected to the side wall of the annular groove, a gear is fixedly sleeved on the shaft of the motor, and a ring gear is fixedly sleeved on the side wall of the centrifugal table. The gear meshes with the ring gear.

Preferably, a groove is opened on the limit post, a first spring is fixedly connected to the bottom of the groove, and the other end of the telescopic rod is fixedly connected to the first spring.

Preferably, a chute is provided at the bottom of the bar-shaped groove, a slider is fixedly connected to the lower end of the second chuck, the slider is slidably connected to the inside of the chute, and limit positions are symmetrically set on the side wall of the chute. groove.

Preferably, limit blocks are symmetrically fixedly connected to the side wall of the slider, and the two limit blocks are slidably connected to the insides of the two limit grooves.

Preferably, one of the side walls of the two limiting grooves is provided with a plurality of card slots, one of the upper ends of the two limiting blocks is fixedly connected to the limiting cylinder, and the upper end of the inner wall of the limiting cylinder is fixedly connected to There is a second spring, and the lower end of the second spring is fixedly connected with the limiting plate.

Preferably, the upper end of the centrifuge table is provided with a through groove, and the through groove communicates with the limit groove, the inside of the through groove is slidably connected with a driving rod, and the lower end of the driving rod passes through the inside of the second spring and is fixedly connected to the limiting groove. on the bit disk.

Preferably, a block is fixedly connected to the lower end of the limiting plate, and the block passes downward through the limiting cylinder and the limiting block, and extends to the inside of the locking groove opened on the side wall of the limiting groove.

Technical effect and advantage of the present utility model:

In the blood centrifugation device, after the test tube containing blood is placed between the first chuck and the second chuck, the second spring pushes the telescopic rod and the first chuck until the test tube is locked. Then the lever is lifted up, driving the limit plate to compress the first spring upward, and driving the block at the lower end of the limit plate to move upward until the block moves out of the slot. At this time, according to the centrifugal force calculation formula: F=a*m , the larger the radius of the circular motion in a, the greater the centrifugal force, and then adjust the lever according to different blood samples and different centrifugal effects. At this time, the lever will drive the limit cylinder and the limit block to move, thus driving When the slider moves, the slider will drive the second chuck to move, so as to adjust the test tube containing blood according to different needs. When it is adjusted to the desired position, release the lever, and the second spring will The block is pushed down until it is inserted into the card slot to fix the adjusted test tube, and two or more test tubes containing blood samples requiring the same centrifugal force are symmetrically installed on the centrifuge table, so centrifugation can be realized. A stable centrifugal force can be maintained as the disk rotates. The device can move the position of the test tubes with blood on the centrifuge table, so as to realize the simultaneous processing of blood requiring different centrifugal forces.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the enlarged schematic diagram of the structure of part A in Fig. 1 of the utility model;

Fig. 3 is the cross-sectional view of the limit post in the utility model;

Fig. 4 is the sectional view of the utility model workbench;

Fig. 5 is the sectional view of strip groove among the utility model;

Fig. 6 is a sectional view of a side view of a strip groove in the utility model;

Fig. 7 is an enlarged schematic diagram of the structure of part B in Fig. 6 of the present utility model.

In the figure: 1. Workbench; 2. Annular groove; 3. Centrifugal table; 4. Bar groove; 5. Limit column; 6. Telescopic rod; 7. First chuck; 8. Second chuck; 9 , motor; 10, gear; 11, ring gear; 12, limit slot; 13, limit block; 14, slider; 15, limit cylinder; 16, lever; 17, block; 18, second spring ; 19, the limit plate; 20, the first spring.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

The utility model provides a blood centrifugation device as shown in Figures 1 to 4, comprising a workbench 1, an annular groove 2, and a centrifugal table 3 for blood centrifugation that is rotatably connected to the inside of the annular groove 2, and the upper end of the centrifugal table 3 There are a plurality of bar-shaped slots 4, which can simultaneously centrifuge the blood with various centrifugation requirements. One side of the bar-shaped slots 4 is fixedly connected to the limit column 5, and the inside of the limit post 5 is slidingly connected to the telescopic rod 6. The telescopic rod One end of 6 is fixedly connected with the first chuck 7, a groove is provided on the limit post 5, the bottom of the groove is fixedly connected with the first spring 20, and the other end of the telescopic rod 6 is fixedly connected with the first spring 20, the first The spring 20 can extend and compress with the position adjustment of the test tube, so as to realize real-time squeezing and limiting of the test tube. The bottom of the strip groove 4 is slidably connected with the second chuck 8, the first chuck 7 and the second chuck 8 have arc-shaped grooves, and the arc-shaped grooves just match the direction of the test tube containing the blood. The bottom of the bar-shaped groove 4 is provided with a chute, and the lower end of the second chuck 8 is fixedly connected with a slider 14, and the slider 14 slides Connected to the inside of the chute, the side wall of the chute is symmetrically provided with a limit groove 12, a motor 9 is fixedly connected to the side wall of the annular groove 2, a gear 10 is fixedly sleeved on the rotating shaft of the motor 9, and the side wall of the centrifugal table 3 is fixed. A ring gear 11 is sleeved, and the gear 10 is meshed with the ring gear 11 .

As shown in Figures 5-7, the side walls of the slider 14 are symmetrically fixedly connected to the limit block 13, and the two limit blocks 13 are respectively slidably connected to the inside of the two limit grooves 12, and the limit block 13 and the limit groove The mutual cooperation of 12 can effectively limit the slider 14. One of the side walls of the two limit grooves 12 is provided with a plurality of card slots, and one of the upper ends of the two limit blocks 13 is fixedly connected to the limit cylinder 15. , the upper end of the inner wall of the limiting cylinder 15 is fixedly connected with the second spring 18, and the lower end of the second spring 18 is fixedly connected with the limiting plate 19, so that the downward pressure is applied to the limiting plate 19 in real time when the second spring 18 is not subjected to external force, The lower end of the limit plate 19 is fixedly connected with a block 17, and the block 17 passes through the limit tube 15 and the limit block 13 downwards, and extends to the inside of the slot provided on the side wall of the limit groove 12. The slot is a plurality of Set, so the clamping block 17 can be inserted into the inside of the slot at multiple positions according to blood requirements, so as to fix the test tube according to the requirements. The upper end of the centrifuge table 3 is provided with a through groove, and the through groove communicates with the limiting groove 12. A driving rod 16 is slidably connected to the inside of the slot, and the lower end of the driving rod 16 passes through the inside of the second spring 18 and is fixedly connected to the limit plate 19 .

working principle:

When using this blood centrifugation device, first, insert one end of the test tube containing blood into the first chuck 7, then push the test tube toward the direction of the stop post 5, and then the first chuck 7 is fixedly connected to the telescopic The rod 6 will compress the first spring 20 inside the limit post 5, and when it is compressed to a certain extent, then press the test tube parallel to the strip groove 4 into it, and then insert the other end of the test tube into the second chuck 8, then the first spring 20 squeezes the test tube through the telescopic rod 6 and the first chuck 7 to limit the position. When it is necessary to adjust different centrifugal forces for different blood, at this time, according to the centrifugal force calculation formula: F=a *m shows that the larger the radius of the circular motion in a, the larger the centrifugal force. Then the driving rod 16 is pulled upwards, so that the driving rod 16 drives the limit plate 19 fixedly connected to its lower end to move upwards, and the limit plate 19 will compress the second spring 18 inside the limit cylinder 15, and then drive the limit plate 19 The block 17 fixedly connected to the lower end moves upward until the block 17 moves out of the slot provided on the side wall of the limiting slot 12 .

Drive the spacer cylinder 15 and the spacer block 13 to move according to pushing lever 16 subsequently, drive the slide block 14 that is fixedly connected with it by spacer block 13 to move along the chute, then drive the second chuck 8 on the slide block 14 upper end The second chuck 8 drives the test tube clamped inside to adjust according to the centrifugal force required by the internal blood, and the first spring 20 inside the limit post 5 will stretch out and compress according to the movement of the test tube, so that it can be adjusted at any time. The test tube is squeezed to limit the position. When the position of the test tube is adjusted, the lever 16 is released at this time, and then the second spring 18 inside the limit tube 15 drives the limit plate 19 fixedly connected with it to move downward, and then drives the limit plate 19 to move downward. The clamping block 17 fixedly connected to the lower end of the positioning plate 19 moves downward until the end of the clamping block 17 is clamped to the inside of the clamping slot, so that when the position of the test tube is adjusted according to the requirements, it is limited and fixed, and then the motor 9 is started to drive its rotating shaft The gear 10 fixedly socketed on the top rotates, and the gear 10 will drive the ring gear 11 meshed with it to rotate, and then drive the centrifuge table 3 fixedly socketed by the ring gear 11 to rotate, so as to realize the blood on the centrifuge table 3 that requires different centrifugal forces. Do simultaneous processing.

The above is only a preferred specific implementation of the utility model, but the scope of protection of the utility model is not limited thereto. Any skilled person familiar with the technical field shall, within the technical scope disclosed by the utility model, according to the technical solution of the utility model Equivalent replacement or change of its utility model concept should be covered within the scope of protection of the utility model.

Claims (7)

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).

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