CN210015113U

CN210015113U - Blood type card centrifugal device

Info

Publication number: CN210015113U
Application number: CN201920651877.5U
Authority: CN
Inventors: 王明元; 陈炜; 费敏; 孙滨; 李月峰
Original assignee: SUZHOU SUDA SAIER IMMUNOBIOLOGY TECHNOLOGY Co Ltd; Suzhou central blood station
Current assignee: SUZHOU SUDA SAIER IMMUNOBIOLOGY TECHNOLOGY Co Ltd; Suzhou central blood station
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-02-04
Anticipated expiration: 2029-05-08

Abstract

The utility model discloses a blood type card centrifugal device, include: the centrifugal disc is provided with at least one clamping groove; the bracket can rotate in the clamping groove by taking the rotating shaft as a fulcrum, the bracket has different weights at two sides of the rotating shaft, one side of the bracket, which is far away from the center of the centrifugal disc, is heavier than the other side of the bracket, and one side of the bracket, which is close to the center of the centrifugal disc, can be limited by the centrifugal disc, so that the bracket is kept horizontal; and the power device acts on the centrifugal disc to drive the centrifugal disc to rotate. The utility model provides a blood group card centrifugal device, its bracket adopt heavy structural design partially, and when centrifuge quiescent condition, the bracket remains throughout at the horizontality, improves the degree of accuracy that the manipulator snatched.

Description

Blood type card centrifugal device

Technical Field

The utility model relates to a blood type detection device especially relates to a blood type card centrifugal device among blood type detection device.

Background

Blood type analysis is an indispensable process in medical experiments such as clinical blood transfusion, blood typing, blood screening and the like, and whether the blood type analysis result is correct or not is directly related to the life safety of people. At present, common blood type analysis methods developed by hospitals at all levels, blood centers and blood stations in China include a slide method, a test tube method, a microplate method and a blood type card method, and with the continuous development of medical equipment technology and the improvement of blood safety requirements of people, in the experiment of completing the slide method, the test tube method, the microplate method and the blood type card method by adopting a manual method and semi-automatic simple equipment, because the manual participation degree is high, the error wind degree is high, the experiment sensitivity is low, the experiment result cannot be stored, and the standardization and the full automation are not easy to realize. In order to ensure the accuracy of blood type analysis, the standardization and full automation of the blood type analysis process are implemented, and the automation of blood type card method has become the development key point of the current blood type detection technology.

The commonly used gel blood type card detection method is used for blood type analysis, and the processes of puncturing, sample adding, incubating, centrifuging, judging and the like in the gel blood type card detection method need to be organized into an automatic blood type analysis system, wherein a special automatic blood type card centrifuge is needed to realize the blood type card centrifugation function.

In the blood type card centrifuge in the prior art, when the centrifuge is in a static state, the blood type card borne on the bracket is difficult to keep a horizontal state, so that the difficulty of grabbing the card by a mechanical gripper is increased, and grabbing failure is easily caused.

In view of the above, there is a need to provide a blood type card centrifugation device in which the bracket is always kept in a horizontal state when the centrifuge is in a stationary state, so that the mechanical gripper can grasp the blood type card more stably and accurately.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blood type card centrifugal device to overcome the weak point among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

the embodiment of the application discloses blood type card centrifugal device includes:

the centrifugal disc is provided with at least one clamping groove;

the bracket can rotate in the clamping groove by taking the rotating shaft as a fulcrum, the bracket has different weights at two sides of the rotating shaft, one side of the bracket, which is far away from the center of the centrifugal disc, is heavier than the other side of the bracket, and one side of the bracket, which is close to the center of the centrifugal disc, can be limited by the centrifugal disc, so that the bracket is kept horizontal; and

and the power device acts on the centrifugal disc to drive the centrifugal disc to rotate.

Preferably, in the blood type card centrifugal device, the rotating shaft is arranged at the midpoint of the bracket along the length direction of the bracket.

Preferably, in the above blood type card centrifugation device, the bracket is divided into a front half part close to the center of the centrifugal disc and a rear half part far away from the center of the centrifugal disc by taking the rotating shaft as a center, the surfaces of both sides of the bracket are provided with through holes, and the number of the through holes on both sides of the front half part is more than that of the through holes on both sides of the rear half part.

Preferably, in the blood type card centrifugation device, the rotating shaft is arranged at a position where the bracket deviates from the center of the centrifugal disc along the length direction of the bracket, and the length of the rotating shaft to one side edge of the bracket close to the center of the centrifugal disc is smaller than that of the other side edge.

Preferably, in the above blood type card centrifugation device, the two side surfaces of the bracket along the length direction are provided with uniform and symmetrical through holes.

Preferably, in the above blood type card centrifugation device, a plurality of clamping grooves are uniformly and symmetrically distributed on the edge of the centrifugation disc.

Preferably, in the above blood type card centrifugation device, a groove is formed in the upper surface of the bracket, and the size of the groove is matched with that of the blood type card.

Preferably, in the above blood type card centrifugal device, the clamping grooves are provided with symmetrical pressing blocks on one side far away from the center of the centrifugal disc.

Preferably, in the above blood type card centrifugation device, the power device is a servo motor, a groove is formed in a transmission rod of the servo motor along the axial direction of the transmission rod, a through hole is formed in the center of the centrifugation disc, a convex groove matched with the groove is formed in the edge of the through hole, and the centrifugation disc is sleeved on the transmission rod of the servo motor.

Preferably, in the above blood type card centrifugation device, a cap is further included, and the cap is fixedly mounted on the transmission rod of the servo motor and used for fixing the centrifugation disc.

Compared with the prior art, the utility model has the advantages of: the bracket adopts the heavy structural design, is equipped with the dog simultaneously in one side of lighter, and when centrifuge quiescent condition, the bracket remains throughout at the horizontality, improves the degree of accuracy that the manipulator snatched.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view showing a three-dimensional structure of a blood type card centrifugation device according to an embodiment of the present invention

Fig. 2 is an exploded perspective view of a blood type card centrifuge according to an embodiment of the present invention;

fig. 3 is a detailed view of a power unit of a blood type card centrifugation device according to an embodiment of the present invention;

fig. 4 is a detailed view of a centrifugal plate of a blood type card centrifugation device according to an embodiment of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, the present application provides a blood type card centrifugation device, including: centrifugal disc 1, bracket 2, power device 3, and cap 4.

The centrifugal disc 1 is circular, a plurality of clamping grooves 11 are uniformly and symmetrically distributed on the edge of the centrifugal disc 1, symmetrical pressing blocks 12 are arranged on two sides, far away from the center of a circle, of each clamping groove 11, the pressing blocks 12 are used for fixing the bracket 2, a large through hole 13 is formed in the center of the circle of the centrifugal disc 1, small holes 14 are uniformly distributed on the periphery of the through hole 13, referring to a detail drawing 4, a convex groove 131 is formed in the edge of the through hole 13 and used for being matched with the power device 3, and the small holes 14 are used for being matched with the cover cap 4.

In another embodiment, two rings of slots 11 may be arranged on the centrifugal plate 1.

Bracket 2 demountable installation is in draw-in groove 11 of centrifugal disc 1, be equipped with pivot 23 on bracket 2, bracket 2 can use pivot 23 as the fulcrum, at the internal rotation of draw-in groove 11, the upper surface of bracket 2 is seted up flutedly 24, the size and the blood group card phase-match of flutedly 24, bracket 2 adopts the heavy structural design of bias, it keeps away from centrifugal disc 1 center one side and slightly weighs in the opposite side, bracket 2 is close to centrifugal disc 1 center one side and is equipped with stopper 22, stopper 22 can support the bottom surface of centrifugal disc 1, make bracket 2 keep the balance of horizontal direction.

The bias structure design of the bracket 2 can be as follows:

the rotating shaft 23 is arranged at two sides of the middle of the bracket 2 along the length direction, the bracket 2 is divided into a front half part close to the center of the centrifugal disc and a rear half part far away from the center of the centrifugal disc by taking the rotating shaft 23 as the center, through holes 21 are arranged on the surfaces of two sides of the bracket 2, and the number of the through holes on two sides of the front half part is more than that of the through holes on two sides of the rear half part.

In this technical scheme, set up through-hole 21 and can alleviate the weight of bracket 2 self for centrifugal effect is more showing.

A limiting block 22 is arranged on one side of the bracket 2 close to the center of the centrifugal disc 1, and the limiting block 22 can abut against the bottom surface of the centrifugal disc 1, so that the bracket 2 keeps balance in the horizontal direction.

In this solution, the bracket 2 may be inclined toward the side (the rear half portion of the bracket) with a small number of through holes, i.e. a heavier side, due to the asymmetric number of through holes on the bracket 2, and the limiting block 22 may block the bottom surface of the centrifugal plate 1, so as to keep the bracket 2 balanced in the horizontal direction.

In another embodiment, the weight bias structure of the bracket 2 may be further designed as follows:

the rotating shafts 23 are arranged on two opposite sides of the bracket 2 deviated from the center of the centrifugal plate 1 along the length direction of the bracket, and the length from the rotating shafts 23 to one side edge of the bracket 2 close to the center of the centrifugal plate is smaller than that of the other side edge.

The bracket 2 is provided with uniform and symmetrical through holes 21 on both side surfaces along the length direction thereof.

In the technical scheme, the through holes are arranged, so that the weight of the bracket 2 can be reduced, and the centrifugal effect is more remarkable.

In this solution, because the side of the bracket 2 away from the center of the centrifugal disk 1 is relatively heavy due to the arrangement position of the rotating shaft 23 on the bracket 2, the bracket 2 will incline to that side, and the limiting block 22 can also block the centrifugal disk 1 to keep the bracket 2 balanced in the horizontal direction.

In other embodiments, the weight bias structure of the bracket 2 may be further designed as follows:

the bracket 2 is provided with through holes with different sizes on the side surface along the length direction thereof to achieve the state of uneven weight of the bracket 2, and a round hole with smaller diameter can be provided on the side surface of the bracket 2 far away from the center of the centrifugal disc 1, and a round hole with larger diameter and the like can be provided on the other side; however, it is within the scope of the present invention to change the weight bias structure of the bracket 2 to keep the bracket 2 in a horizontal state all the time when the centrifuge is in a stationary state.

In the above technical solutions, the position set by the limiting block 22 is variable, and as long as the technical effect achieved by the limiting block is that the light side is limited to upwarp, so that the bracket 2 can be always kept horizontal in the static state of the centrifuge, the limiting block 22 can be set at any position of the bracket 2.

In other embodiments, the design of the shaft 23 may even be optimized for the purpose of limiting.

The power device 3 acts on the centrifugal disc 1 to drive the centrifugal disc 1 to rotate, the power device 3 is a servo motor with a transmission rod 31, as shown in detail fig. 3, a groove 311 is formed on the transmission rod 31 of the servo motor along the axial direction, the groove 311 is matched with a tongue 131 on a through hole 13 in the center of a circle of the centrifugal disc 1, the through hole 13 in the center of a circle of the centrifugal disc 1 is sleeved on the transmission rod 31 of the servo motor, and the tongue 131 is engaged with the groove 311, so that the servo motor does not slip when driving the centrifugal disc 1 to rotate.

The cap 4 is fixedly installed on a transmission rod 31 of the servo motor, is sleeved on the upper surface of the centrifugal disc 1 and is fixed with the small hole 14 of the centrifugal disc 1 through a screw or other connecting piece, and the cap 4 is used for preventing the centrifugal disc 1 from flying out when the centrifugal disc 1 rotates under the driving of the motor.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A blood type card centrifugation device, comprising:

the centrifugal disc is provided with at least one clamping groove;

2. The blood type card centrifugation device of claim 1, wherein the rotation shaft is provided at a midpoint of the bracket along a length direction thereof.

3. The blood type card centrifuge of claim 2, wherein the bracket is divided into a front half near the center of the centrifugal disk and a rear half far from the center of the centrifugal disk by the rotation shaft, the surfaces of both sides of the bracket are provided with through holes, and the number of the through holes on both sides of the front half is greater than that of the through holes on both sides of the rear half.

4. The blood type card centrifugation device of claim 1, wherein the shaft is disposed at a position of the bracket offset from the center of the centrifugal plate along the length direction of the bracket, and the length of the shaft from one side edge of the bracket near the center of the centrifugal plate is smaller than that of the other side edge.

5. The blood type card centrifugation device of claim 4, wherein the bracket is provided with uniform and symmetrical through holes along the two side surfaces along the length direction.

6. The blood type card centrifugation device according to claim 1, wherein a plurality of clamping grooves are uniformly and symmetrically distributed on the edge of the centrifugation disc.

7. The blood type card centrifugation device of claim 1, wherein the bracket has a recess formed in an upper surface thereof, the recess being sized to fit a blood type card.

8. The blood type card centrifuge of claim 1, wherein said locking slots are provided with symmetrical locking blocks on the side away from the center of the centrifuge disk.

9. The blood type card centrifuge of claim 1, wherein the power device is a servo motor, the transmission rod of the servo motor has a groove along the axial direction thereof, the centrifugal disc has a through hole at the center thereof, the edge of the through hole has a convex groove matching with the groove, and the centrifugal disc is sleeved on the transmission rod of the servo motor.

10. The blood type card centrifugation device according to claim 1, further comprising a cap fixedly mounted on the transmission rod of the servo motor for fixing the centrifugation disk.