Automatic reversing device for blood collection tubes

Abstract

The utility model relates to a blood collection tube automatic reversing device which comprises a base, two symmetrical supporting plates are arranged at the top of the base, a placing plate is rotatably mounted between the two supporting plates, a plurality of placing holes are formed in the top of the placing plate, and corresponding blood collection tube bodies are placed in the placing holes. The two-way lead screw is driven by the servo motor to rotate, so that the movable seats move oppositely to drive the first clamping block and the second clamping block to clamp and fix the blood collection tube body, the stability is improved during reversing operation, and by combining sponge pads arranged in arc-shaped grooves formed in the side walls of the first clamping block and the second clamping block, the blood collection tube body can be clamped and fixed. The top of the blood collection tube body can be prevented from being damaged in the clamping process, and protectiveness is improved.

Description

Technical Field

[0001] The present application relates to the technical field of medical equipment, and in particular to an automatic reversing device for blood collection tubes. Background Art

[0002] Blood collection tubes are a common medical device in hospitals. They are mainly vacuum blood collection tubes. When in use, they use negative pressure to automatically and quantitatively collect venous blood samples. One end of the blood collection needle is inserted into the human vein, and the other end is inserted into the stopper of the vacuum blood collection tube to collect the blood sample. The main purpose of reversing the direction of the blood collection tube is to ensure that the blood and additives are fully mixed, so as to meet different testing needs.

[0003] Some existing blood collection tubes require medical staff to manually reverse the direction of the tubes during the reversal process, which takes up a lot of labor and has low efficiency. Manual operation may also cause the risk of contamination of the tubes. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the present application provides an automatic reversing device for blood collection tubes.

[0005] The present application provides an automatic reversing device for blood collection tubes using the following technical solutions:

[0006] A blood collection tube automatic reversing device comprises a base, two symmetrical support plates are provided on the top of the base, a placement plate is rotatably installed between the two support plates, a plurality of placement holes are provided on the top of the placement plates, corresponding blood collection tube bodies are placed inside the placement holes, an adjustment mechanism for fixing the blood collection tube bodies is provided on the top of the placement plates, a rotating shaft provided at one end of the placement plate is connected to a bearing seat provided on the side wall of one of the support plates, and a rotating shaft provided at the other end of the placement plate passes through a through hole opened in the side wall of the other support plate and is connected to the reversing mechanism.

[0007] Preferably, the adjustment mechanism includes two symmetrical movable seats slidably installed in a slide groove opened on the top of the placement plate, and the bottoms of the two movable seats pass through the slide groove and are adapted to the bidirectional screw rods provided at the bottom.

[0008] Preferably, one end of the bidirectional screw is connected to a bearing seat provided on a mounting block provided at the bottom of the placing plate at the edge of one end of the slide groove, and the other end of the bidirectional screw is connected to a through hole opened on a mounting block provided at the bottom of the placing plate at the edge of the other end of the slide groove, and is connected to a servo motor provided on the side wall of the mounting block.

[0009] Preferably, the side walls at both ends of the two movable seats are also provided with symmetrical first connecting seats, a movable rod is rotatably installed in the first connecting seat, and the other end of the movable rod is rotatably connected to the second connecting seat set on the side wall of the first clamping block set on the top of the placement plate.

[0010] Preferably, the other side wall of the first clamping block is provided with an arcuate groove with the same diameter as the top cover of the blood collection tube body, a sponge pad is provided inside the arcuate groove, and two symmetrical second clamping blocks are fixedly installed on the top of the placement plate at both side edges.

[0011] Preferably, the side walls of the two second clamping blocks are provided with arcuate grooves of the same size as the side walls of the first clamping block, and sponge pads are provided inside the arcuate grooves. The arcuate grooves provided on the side walls of the second clamping blocks also fit well with the top cover of the blood collection tube body.

[0012] Preferably, the reversing mechanism includes a turbine fixedly mounted on a rotating shaft provided at one end of the placement plate, the turbine is meshed with a worm, and both ends of the worm are rotatably mounted between two fixed blocks provided on one of the side walls of the support plate.

[0013] Preferably, a forward and reverse motor is fixedly mounted on the side wall of one of the fixed blocks, and the output end of the forward and reverse motor passes through a through hole provided in the side wall of the fixed block and is connected to one end of the worm.

[0014] In summary, this application has the following beneficial technical effects:

[0015] 1. The utility model is provided with an adjustment mechanism. The servo motor drives the bidirectional screw to rotate, so that the two movable seats move toward each other and drive the first clamping block and the second clamping block to fit together, thereby clamping and fixing the blood collection tube body, so as to improve stability during the reversing operation. At the same time, the sponge pads provided in the arc-shaped grooves on the side walls of the first clamping block and the second clamping block can prevent damage to the top of the blood collection tube body during the clamping process, thereby improving protection.

[0016] 2. The utility model is provided with a reversing mechanism, which drives the worm to rotate through the forward and reverse motors, so that the rotation of the worm drives the turbine to rotate, and the placement plate rotates to drive the blood collection tube body fixed on the top to flip or shake, thereby achieving the reversing effect, ensuring that the blood and additives are fully mixed, thereby meeting different detection needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of an automatic reversing device for blood collection tubes according to an embodiment of the present application;

[0018] Figure 2 This is an embodiment of the present application Figure 1 A magnified view of the structure at center A;

[0019] Figure 3 This is a schematic diagram of the bottom structure of the placement plate in an embodiment of the present application;

[0020] Figure 4 It is a side structural diagram of an automatic reversing device for blood collection tubes in an embodiment of the present application.

[0021] Explanation of the accompanying reference numerals: 1. Base; 2. Support plate; 3. Placement plate; 4. Blood collection tube body; 5. Movable seat; 6. Bidirectional screw; 7. Servo motor; 8. First connecting seat; 9. Movable rod; 10. First clamping block; 11. Second connecting seat; 12. Arc groove; 13. Sponge pad; 14. Second clamping block; 15. Turbine; 16. Worm; 17. Fixed block; 18. Forward and reverse motor. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1 —4 Provide further details of this application.

[0023] The embodiment of the present application discloses an automatic reversing device for blood collection tubes, comprising a base 1, two symmetrical support plates 2 are provided on the top of the base 1, a placement plate 3 is rotatably installed between the two support plates 2, a plurality of placement holes are provided on the top of the placement plate 3, corresponding blood collection tube bodies 4 are placed inside the placement holes, an adjustment mechanism for fixing the blood collection tube bodies 4 is provided on the top of the placement plate 3, a rotating shaft provided at one end of the placement plate 3 is connected to a bearing seat provided on the side wall of one of the support plates 2, and a rotating shaft provided at the other end of the placement plate 3 passes through a through hole opened on the side wall of the other support plate 2 and is connected to the reversing mechanism.

[0024] refer to Figure 1 、 Figure 2 and Figure 3The adjusting mechanism includes two symmetrical movable seats 5 slidably installed in the slide groove opened at the top of the placing plate 3. The bottom of the two movable seats 5 passes through the slide groove and is adapted to the bidirectional screw rod 6 set at the bottom. One end of the bidirectional screw rod 6 is connected to the bearing seat provided on the mounting block provided at the bottom of the placing plate 3 at one end edge of the slide groove. The other end of the bidirectional screw rod 6 is connected to the through hole opened on the mounting block provided at the bottom of the placing plate 3 at the other end edge of the slide groove, and is connected to the servo motor 7 provided on the side wall of the mounting block. The side walls at both ends of the two movable seats 5 are also provided with symmetrical first connecting seats 8. A movable rod 9 is rotatably installed in the first connecting seat 8. The other end of the movable rod 9 is rotatably connected to the second connecting seat 11 provided on the side wall of the first clamping block 10 provided on the top of the placing plate 3. The other side wall of the first clamping block 10 is provided with an arc groove 12 with the same diameter as the top cover of the blood collection tube body 4, and a sponge pad is provided inside the arc groove 12. 13. Two symmetrical second clamping blocks 14 are fixedly installed on the top of the placing plate 3 at the two side edges. The side walls of the two second clamping blocks 14 are provided with arc grooves 12 of the same size as the side walls of the first clamping block 10, and a sponge pad 13 is provided inside the arc groove 12. The arc groove 12 provided on the side wall of the second clamping block 14 also fits with the top cover of the blood collection tube body 4. To be more specific, the servo motor 7 is driven to drive the two movable seats 5 to slide toward each other along the slide groove provided on the top of the placing plate 3, so that the movable rod 9 rotatably installed in the first connecting seat 8 provided on the two side walls of the two movable seats 5 rotates, and drives the first clamping block 10 rotatably connected at the other end to move toward the second clamping block 14, so that the arc grooves 12 provided on the side walls of the first clamping block 10 and the second clamping block 14 wrap the top cover of the blood collection tube body 4, so that the blood collection tube body 4 is fixed on the top of the placing plate 3, and its cover edge is protected by the sponge block.

[0025] refer to Figure 4 The reversing mechanism includes a turbine 15 fixedly mounted on a rotating shaft provided at one end of the placement plate 3, the turbine 15 is meshed with a worm 16, and both ends of the worm 16 are rotatably mounted between two fixed blocks 17 provided on the side walls of one of the support plates 2, a forward and reverse motor 18 is fixedly mounted on the side wall of one of the fixed blocks 17, and the output end of the forward and reverse motor 18 is connected to one end of the worm 16 through a through hole opened in the side wall of the fixed block 17. More specifically, the forward and reverse motor 18 is driven to drive the worm 16 connected to the output end to rotate, so that the worm 16 is meshed and rotated with the turbine 15 installed on the rotating shaft provided at one end of the placement plate 3, so that the placement plate 3 is flipped or shaken to achieve the reversing effect, ensuring that the blood and additives are fully mixed, thereby meeting different detection requirements.

[0026] The implementation principle of the automatic reversing device for blood collection tubes in the embodiment of the present application is as follows: when in use, the blood collection tube body 4 is placed in the placement hole set on the top of the placement plate 3, and the servo motor 7 is driven to drive the two movable seats 5 to slide toward each other along the slide groove opened on the top of the placement plate 3, so that the movable rod 9 rotatably installed in the first connecting seat 8 set on the two side walls of the two movable seats 5 drives the first clamping block 10 rotatably connected at the other end to move toward the second clamping block 14, so that the arc groove 12 opened on the side walls of the first clamping block 10 and the second clamping block 14 wraps the top cover of the blood collection tube body 4, so that the blood collection tube body 4 is fixed on the top of the placement plate 3 and its cover edge is protected by the sponge block, and then the forward and reverse motor 18 is driven to drive the worm 16 connected to the output end to rotate, so that the worm 16 is engaged and rotated with the turbine 15 installed on the rotating shaft set at one end of the placement plate 3, so that the placement plate 3 is flipped or shaken to achieve the reversing effect, ensuring that the blood and additives are fully mixed, thereby meeting different detection requirements.

[0027] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An automatic reversing device for a blood collection tube, comprising a base (1), two symmetrical support plates (2) being provided on the top of the base (1), a placement plate (3) being rotatably mounted between the two support plates (2), a plurality of placement holes being provided on the top of the placement plate (3), corresponding blood collection tube bodies (4) being placed inside the placement holes, and characterized in that: An adjustment mechanism for fixing the blood collection tube body (4) is provided on the top of the placement plate (3); a rotating shaft provided at one end of the placement plate (3) is connected to a bearing seat provided on the side wall of one of the support plates (2); a rotating shaft provided at the other end of the placement plate (3) passes through a through hole provided on the side wall of the other support plate (2) and is connected to a reversing mechanism.

2. The automatic reversing device for blood collection tubes according to claim 1, characterized in that: The adjustment mechanism comprises two symmetrical movable seats (5) slidably installed in a slide groove opened on the top of the placement plate (3); the bottoms of the two movable seats (5) pass through the slide groove and are adapted to the bidirectional screw rod (6) provided at the bottom.

3. The automatic reversing device for blood collection tubes according to claim 2, characterized in that: One end of the bidirectional screw rod (6) is connected to a bearing seat provided on a mounting block provided at the bottom of the placement plate (3) at the edge of one end of the slideway, and the other end of the bidirectional screw rod (6) is connected to a through hole provided on a mounting block provided at the bottom of the placement plate (3) at the edge of the other end of the slideway, and is connected to a servo motor (7) provided on a side wall of the mounting block.

4. The automatic reversing device for blood collection tubes according to claim 2, characterized in that: The side walls at both ends of the two movable seats (5) are further provided with symmetrical first connecting seats (8), a movable rod (9) is rotatably installed in the first connecting seat (8), and the other end of the movable rod (9) is rotatably connected to a second connecting seat (11) provided on the side wall of a first clamping block (10) provided on the top of the placement plate (3).

5. The automatic reversing device for blood collection tubes according to claim 4, characterized in that: The other side wall of the first clamping block (10) is provided with an arc-shaped groove (12) having the same diameter as the top cover of the blood collection tube body (4), and a sponge pad (13) is provided inside the arc-shaped groove (12). Two symmetrical second clamping blocks (14) are fixedly installed on the top of the placement plate (3) at the two side edges.

6. The automatic reversing device for blood collection tubes according to claim 5, characterized in that: The side walls of the two second clamping blocks (14) are provided with arcuate grooves (12) of the same size as the side walls of the first clamping block (10), and a sponge pad (13) is provided inside the arcuate grooves (12). The arcuate grooves (12) provided on the side walls of the second clamping blocks (14) are also fitted with the top cover of the blood collection tube body (4).

7. The automatic reversing device for blood collection tubes according to claim 1, characterized in that: The reversing mechanism comprises a turbine (15) fixedly mounted on a rotating shaft provided at one end of a placement plate (3), the turbine (15) being meshed with a worm (16), and the two ends of the worm (16) being rotatably mounted between two fixed blocks (17) provided on the side wall of one of the support plates (2).

8. The automatic reversing device for blood collection tubes according to claim 7, characterized in that: A forward and reverse motor (18) is fixedly mounted on the side wall of one of the fixed blocks (17), and an output end of the forward and reverse motor (18) passes through a through hole provided on the side wall of the fixed block (17) and is connected to one end of the worm (16).

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