Blood specimen preparation centrifugal machine

Abstract

The blood specimen preparation centrifugal machine comprises a driving box and a centrifugal shell, a gear motor is fixedly installed in the driving box through bolts, and the output end of the gear motor penetrates through the driving box and is provided with an installation disc; according to the blood storage device, a plurality of containing grooves allowing blood storage bottles to be inserted are formed in the circular groove of the centrifugal shell in a surrounding mode, a plurality of sets of clamping pieces, U-shaped frames and springs are arranged for the containing grooves, the clamping pieces above the containing grooves are pulled through triangular blocks, and the parts, extending to the inner sides of the U-shaped frames, of the clamping pieces are made to compress the springs to contract; then guide blocks on the clamping pieces slide with receding grooves formed in the inner walls of the circular grooves, space is provided for insertion connection of the blood storage bottles and the containing grooves, after insertion connection of the blood storage bottles and the containing grooves is proper, traction of triangular blocks is abandoned, the clamping pieces are pushed to abut against the bottle openings of the blood storage bottles under the reaction effect of extension of springs, and then the blood storage bottles are clamped. The purposes of preventing the blood storage bottle from being thrown out and conveniently and rapidly taking and placing the blood storage bottle are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical examination equipment, in particular to a blood specimen preparation centrifuge. Background Art

[0002] The so-called blood centrifugation is to place the human blood to be tested in a test container and rotate it at high speed, so that the blood cells generate centrifugal force under the high-speed rotation. Due to the different densities of blood cells, serum and plasma, separation and stratification will occur, which is convenient for doctors to conduct medical tests. Therefore, a centrifuge is needed to prepare blood samples.

[0003] In the prior art, a new blood centrifuge for medical laboratory includes a control box, wherein the inner bottom wall and the inner top wall of the control box are both rotatably connected with a movable shaft. The new blood centrifuge for medical laboratory adjusts the extension of the electric push rod, the middle gear and the driving gear mesh and transmit, so that the rotation speed of the movable shaft is medium speed, adjusts the contraction of the electric push rod, the small gear and the connecting gear mesh and transmit, so that the rotation speed of the movable shaft is decelerated, adjusts the recontraction of the electric push rod, the large gear and the transmission gear mesh and transmit, so that the rotation speed of the movable shaft is accelerated, so that the centrifugal speed can be adjusted to normal speed, deceleration and acceleration according to actual needs, and by rotating the threaded rod, the pressure plate rotates downward, so that the pressure plate squeezes and contacts the blood storage bottle, preventing the blood storage bottle from being thrown out of the slot during centrifugation, and solving the problem that the centrifugal speed cannot be adjusted.

[0004] However, the squeezing structure of the blood storage bottle in the above solution is fixed by a threaded rod, which is inconvenient to disassemble and assemble, and has an adverse effect on the taking and placing of the blood storage bottle.

[0005] To this end, a blood specimen preparation centrifuge is proposed, which has the advantages of preventing blood storage bottles from being thrown out and facilitating access, thereby solving the problems in the above-mentioned background technology. Utility Model Content

[0006] The utility model aims to solve the shortcomings in the prior art and provides a blood sample preparation centrifuge.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a blood specimen preparation centrifuge, comprising a drive box and a centrifugal shell, a reduction motor is fixedly installed inside the drive box by bolts, and a mounting plate is arranged at the output end of the reduction motor passing through the drive box, a centrifugal shell is fixedly installed on the top surface of the mounting plate by bolts, and a circular groove is opened on the top surface of the centrifugal shell, a plurality of accommodating grooves are opened around the bottom surface of the inner side of the circular groove, and a clip is arranged above each accommodating groove, a plurality of U-shaped frames are welded on the outer wall surface of the centrifugal shell, and the plurality of U-shaped frames correspond to the plurality of accommodating grooves one by one, a spring is fixedly connected to the inner side of each of the U-shaped frames, and the bottom of the spring is against the left end of the clip, the right end of the clip extends into the circular groove, and a triangular block is welded to the part of the clip extending to the inner side of the circular groove, and the end of the clip with the triangular block is directly above the accommodating groove.

[0008] As a further description of the above technical solution: a U-shaped bending portion is provided in the middle of the clip, and a guide block with a rectangular structure is welded on the inner side of the U-shaped bending portion, and a guide groove with a U-shaped cross-section is provided on the inner wall surface of the circular groove, and the guide block is slidably connected to the guide groove.

[0009] As a further description of the above technical solution: a heat dissipation window is welded on the right side of the drive box, and a filter is embedded and installed inside the heat dissipation window.

[0010] As a further description of the above technical solution: a portion of the clip extending to the inner side of the U-shaped frame is welded with a convex column, and the convex column is sleeved with the bottom of the spring.

[0011] As a further description of the above technical solution: a plurality of screw holes are provided on the surface of the mounting plate, and a plurality of threaded grooves are provided on the bottom of the centrifugal shell corresponding to the screw holes.

[0012] As a further description of the above technical solution: the cross-section of the receiving groove is a circular structure, and the size of the receiving groove is adapted to the size of the blood storage bottle.

[0013] The utility model has the following beneficial effects:

[0014] In the utility model, a plurality of receiving grooves for inserting blood storage bottles are arranged around the circular groove of the centrifugal shell, and a plurality of groups of clips, U-shaped frames and springs are arranged for the receiving grooves. The clips above the receiving grooves are pulled by triangular blocks, so that the compression spring of the part of the clips extending to the inner side of the U-shaped frame contracts, and then the guide blocks on the clips slide with the giving way grooves arranged on the inner wall of the circular grooves, so as to provide space for the insertion of the blood storage bottle and the receiving grooves. After the insertion of the blood storage bottle and the receiving grooves is properly completed, the pulling of the triangular blocks is abandoned, and the reaction of the extension of the springs pushes the clips to abut against the bottle mouth of the blood storage bottle, so as to prevent the blood storage bottle from being thrown out and facilitate the quick placement of the blood storage bottle. In addition, since the blood storage bottle is mainly inserted into the receiving groove of the circular groove, the placement of the blood storage bottle is guaranteed, so that it is not easy to break away from the restraint of the clips in the centrifugal state, and it is safe and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a centrifuge for preparing blood specimens according to the utility model;

[0016] Figure 2 This is a top view of a centrifuge for preparing blood specimens according to the utility model;

[0017] Figure 3 This is a top view of a centrifugal shell of a blood specimen preparation centrifuge of the utility model (without the clip installed);

[0018] Figure 4 The utility model is a schematic diagram of the clamping structure of a centrifuge for preparing blood specimens.

[0019] Legend:

[0020] 1. Drive box; 2. Speed ​​reduction motor; 3. Mounting plate; 4. Centrifugal shell; 5. Circular groove; 6. Accommodating groove; 7. Clip; 8. Guide block; 9. U-shaped frame; 10. Spring; 11. Guide groove; 12. Triangular block; 13. Boss; 14. U-shaped bending part. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] According to an embodiment of the utility model, a blood specimen preparation centrifuge is provided.

[0023] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-4 As shown, a blood specimen preparation centrifuge according to an embodiment of the utility model comprises a drive box 1 and a centrifugal shell 4, a reduction motor 2 is fixedly installed inside the drive box 1 by bolts, and a mounting plate 3 is provided at the output end of the reduction motor 2 penetrating the drive box 1, a centrifugal shell 4 is fixedly provided on the top surface of the mounting plate 3 by bolts, and a circular groove 5 is provided on the top surface of the centrifugal shell 4, a plurality of accommodating grooves 6 are provided around the inner bottom surface of the circular groove 5, and a clip 7 is provided above each accommodating groove 6, and a plurality of U-shaped frames 9 are welded on the outer wall surface of the centrifugal shell 4, and the plurality of U-shaped frames 9 correspond one-to-one to the plurality of accommodating grooves 6 , a spring 10 is fixedly connected to the inner side of each U-shaped frame 9, and the bottom of the spring 10 is against the left end of the clip 7, the right end of the clip 7 extends into the circular groove 5, and the part of the clip 7 extending to the inner side of the circular groove 5 is welded with a triangular block 12, and the end of the clip 7 with the triangular block 12 is located directly above the accommodating groove 6, and the outer wall surface of the drive box 1 is also equipped with a motor controller corresponding to the reduction motor 2 to control the speed of the reduction motor 2, which is specifically a known prior art and will not be described in detail. The cross-section of the clip 7 is arranged in a "Several"-shaped structure. In order to facilitate installation, the heights of the left and right ends of the clip 7 are different;

[0024] In one embodiment, a U-shaped bending portion 14 is provided in the middle of the clip 7, and a guide block 8 with a rectangular structure is welded on the inner side of the U-shaped bending portion 14. A guide groove 11 with a U-shaped cross-section is provided on the inner wall of the circular groove 5. The guide block 8 is slidably connected to the guide groove 11. The setting of the U-shaped bending portion 14 makes way for the lifting and lowering of the clip 7. The sliding connection between the guide block 8 and the guide groove 11 ensures the stability of the lifting and lowering movement of the clip 7.

[0025] In one embodiment, a heat dissipation window is welded on the right side of the drive box 1, and a filter is embedded inside the heat dissipation window. The heat dissipation window can be set to facilitate ventilation and heat dissipation of the reduction motor 2, and the filter can be set to filter dust in the air.

[0026] In one embodiment, the portion of the clip 7 extending to the inner side of the U-shaped frame 9 is welded with a boss 13, and the boss 13 is socketed with the bottom of the spring 10. The boss 13 is provided to maintain the reliability of the connection between the clip 7 and the spring 10 and facilitate assembly.

[0027] In one embodiment, a plurality of screw holes are provided on the surface of the mounting plate 3, and a plurality of thread grooves are provided at the bottom of the centrifugal housing 4 corresponding to the screw holes. The screw holes and the thread grooves are arranged to facilitate the installation of the centrifugal housing 4.

[0028] In one embodiment, the cross-section of the receiving groove 6 is a circular structure, and the size of the receiving groove 6 is adapted to the size of the blood storage bottle, wherein the depth of the receiving groove 6 is suitable for exposing the mouth of the blood storage bottle to the inner side of the circular groove 5, so as to facilitate the removal of the blood storage bottle and the fixation of the clip 7.

[0029] Working principle:

[0030] When in use, the clip 7 above the receiving groove 6 is pulled by the triangular block 12, causing the part of the clip 7 extending to the inner side of the U-shaped frame 9 to compress the spring 10 to contract, and then the guide block 8 on the clip 7 slides with the give way groove opened on the inner wall of the circular groove 5, providing space for the insertion of the blood storage bottle and the receiving groove 6, and then the blood storage bottle is inserted into the receiving groove 6. After the blood storage bottle and the receiving groove 6 are properly inserted, the pulling of the triangular block 12 is abandoned, and the reaction of the extension of the spring 10 pushes the clip 7 to abut against the bottle mouth of the blood storage bottle, so that the blood storage bottle is placed. When centrifuging, the reduction motor 2 in the drive box 1 is started, causing the reduction motor 2 to drive the centrifuge shell 4 to rotate at a constant speed, and the blood in the blood storage bottle is centrifuged until the blood cells, serum and plasma in the blood are separated and stratified. After centrifugation is completed, the blood storage bottle in the receiving groove 6 can be taken out.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A blood specimen preparation centrifuge, comprising a drive box (1) and a centrifugal shell (4), characterized in that: A reduction motor (2) is fixedly installed inside the driving box (1) by bolts, and an installation plate (3) is provided at the output end of the reduction motor (2) penetrating the driving box (1), a centrifugal shell (4) is fixedly installed on the top surface of the installation plate (3) by bolts, and a circular groove (5) is provided on the top surface of the centrifugal shell (4), a plurality of accommodating grooves (6) are provided around the bottom surface of the inner side of the circular groove (5), and a clamping piece (7) is provided above each accommodating groove (6), and the outer wall surface of the centrifugal shell (4) is welded with A plurality of U-shaped frames (9) are provided, and the plurality of U-shaped frames (9) correspond to the plurality of receiving grooves (6) one by one. A spring (10) is fixedly connected to the inner side of each of the U-shaped frames (9), and the bottom of the spring (10) abuts against the left end of the clip (7). The right end of the clip (7) extends into the circular groove (5), and a triangular block (12) is welded to the portion of the clip (7) extending into the inner side of the circular groove (5), and one end of the clip (7) with the triangular block (12) is located directly above the receiving groove (6).

2. A blood sample preparation centrifuge according to claim 1, characterized in that: A U-shaped bending portion (14) is provided in the middle of the clamping piece (7), and a guide block (8) with a rectangular structure is welded to the inner side surface of the U-shaped bending portion (14). A guide groove (11) with a U-shaped cross section is provided on the inner wall surface of the circular groove (5), and the guide block (8) is slidably connected to the guide groove (11).

3. A blood sample preparation centrifuge according to claim 1, characterized in that: A heat dissipation window is welded on the right side of the drive box (1), and a filter screen is embedded and installed inside the heat dissipation window.

4. A blood specimen preparation centrifuge according to claim 1, characterized in that: A convex column (13) is welded to the portion of the clip (7) extending to the inner side of the U-shaped frame (9), and the convex column (13) is sleeved with the bottom of the spring (10).

5. A blood specimen preparation centrifuge according to claim 1, characterized in that: The surface of the mounting plate (3) is provided with a plurality of screw holes, and the bottom of the centrifugal housing (4) is provided with a plurality of thread grooves corresponding to the screw holes.

6. A blood specimen preparation centrifuge according to claim 1, characterized in that: The cross section of the containing groove (6) is a circular structure, and the size of the containing groove (6) is adapted to the size of the blood storage bottle.

Images