Blood collection tube placing device for medical clinical laboratory

Abstract

The utility model discloses a blood collection tube placing device for a medical clinical laboratory, and relates to the technical field of medical auxiliary tools for the clinical laboratory. The blood collection tube placing device comprises a placing box, a sliding groove is formed in the upper surface of the placing box, a positioning groove extending out of the lower surface of the placing box is formed in the upper surface of the placing box, a placing mechanism is slidably connected into the sliding groove, a blood collection tube body is arranged on the placing mechanism, and the placing mechanism is used for placing the blood collection tube body. The positioning block and the blood collection tube body fixed on the positioning block can swing back and forth by taking the supporting shaft as the center, and the blood collection tube body is driven to shake for five to eight times in the process, so that an additive in the blood collection tube body is uniformly mixed with a blood sample, manual shaking is not needed, more labor and time are saved, the operation is simple, and the working efficiency is improved. The blood collection tube body is uniformly and gently stressed in the shaking process, so that the hemolysis phenomenon is avoided, and the practicability of the blood collection tube placing device for the medical clinical laboratory is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical auxiliary device of clinical laboratory, specifically, especially relate to a blood collection tube placing device for medical clinical laboratory. BACKGROUND

[0002] Clinical laboratory is the bridge between clinical medicine and basic medicine, including clinical chemistry, clinical immunology, body fluid science and blood transfusion science and other branch disciplines, and the clinical laboratory mainly draws human blood samples for instrument detection.

[0003] The existing common blood collection is used to check whether various indexes in the body are normal, which is a basic reference for doctors to judge diseases, at present, after collecting blood, blood collection tubes are used to load blood, and the blood collection tubes are placed on a blood collection tube placing rack.

[0004] However, different colors of blood collection tubes have different purposes, and the additives contained therein are different to meet different blood detection needs, and some blood collection tubes containing additives need to be shaken 5-10 times after blood collection to ensure that the additives are mixed uniformly with the blood sample, and the shaking of the existing blood collection tube is generally manually shaken by the blood collection nurse, and manual shaking is not only laborious and time-consuming, but also the force of artificial shaking is difficult to ensure uniform shaking, if the shaking force is too large, hemolysis may occur due to damage to red blood cells, and samples with severe hemolysis may not be used for subsequent analysis, thereby reducing the quality of the blood sample, and the labor intensity of the blood collection nurse is large, thereby reducing the practicability of the blood collection tube placing device. INVENTION CONTENTS

[0005] In view of the above technical problems existing in the prior art, the utility model provides a blood collection tube placing device for medical clinical laboratory to overcome the above technical problems.

[0006] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0007] The utility model discloses a medical examination department is with blood collection tube placing device, including the placing box, the upper surface of placing box is seted up with the sliding slot, the upper surface of placing box is seted up with the locating groove extending out its lower surface, the sliding slot is slidably connected with the placing mechanism, the placing mechanism is provided with blood collection tube body, the placing mechanism is used for placing blood collection tube body, the left and right side inner wall between locating groove is slidably connected with the locating block, the locating block is provided with the positioning mechanism, the positioning mechanism is used for fixing blood collection tube body on the locating block, the placing box is provided with the shaking mechanism, the shaking mechanism is used for driving the positioning mechanism and shakes, to realize the shaking purpose of blood collection tube body.

[0008] Further, the placing mechanism includes a placing frame, the placing frame is slidably connected with the sliding slot, the upper surface of the placing frame is fixedly connected with two handles, a plurality of first placing slots are formed in the upper surface of the placing frame, the blood collection tube body is slidably connected with the first placing slots, a plurality of supporting grooves are formed in the bottom wall of the placing frame, the first placing slots correspond to the supporting grooves one by one, and the bottom wall of each supporting groove is fixedly connected with a rubber pad.

[0009] Further, the positioning mechanism includes the second placing slot, the second placing slot is formed in the upper surface of the locating block, three limiting grooves are formed in the inner wall of the second placing slot, a limiting block is slidably connected in each limiting groove, the three limiting blocks are arranged in a central array, three sliding rods are slidably connected to the upper surface of the locating block, and the lower ends of the three sliding rods slidably extend into the three limiting grooves.

[0010] Further, a sliding rail groove is formed in the upper surface of the limiting block, the lower surface of the sliding rod is a spherical surface, the lower surface of the sliding rod is in contact with the bottom wall of the sliding rail groove, the bottom wall of the sliding rail groove is an inclined surface, the sliding rod is slidably connected with the corresponding sliding rail groove, and the upper ends of the three sliding rods are fixedly connected with a positioning ring.

[0011] Further, three supporting springs are fixedly connected between the lower surface of the positioning ring and the upper surface of the locating block, the supporting springs are slidably sleeved on the outer surfaces of the corresponding sliding rods, a positioning spring is fixedly connected to the inner wall of the limiting groove away from the blood collection tube body, and one end of the positioning spring close to the blood collection tube body is fixedly connected with the corresponding limiting block.

[0012] Further, the shaking mechanism includes a mounting groove, the mounting groove is formed in the placing box, the mounting groove is located on the left side of the locating groove, supporting shafts are rotatably connected between the left and right inner walls of the mounting groove, and the right ends of the supporting shafts rotatably penetrate into the locating groove and are fixedly connected with the left side surface of the locating block.

[0013] Further, the left side surface of the placing box is fixedly connected with a rotating motor, a fixed shaft is fixedly connected with a rotating output shaft of the rotating motor, the fixed shaft penetrates into the mounting groove at one end away from the rotating motor, a fixed block is fixedly connected with the end of the fixed shaft away from the rotating motor, and a sliding block is fixedly connected with the outer surface of the side of the fixed block away from the fixed shaft.

[0014] Further, the outer surface of the supporting shaft is fixedly sleeved with the mounting block, the left side surface of the mounting block is provided with a sliding groove extending out of the right side surface thereof, the sliding block slides into the sliding groove, the left inner wall of the mounting groove is fixedly connected with a mounting column, a clockwork is arranged on the supporting shaft, the inner end of the clockwork is fixedly connected with the supporting shaft, the outer end of the clockwork is fixedly connected with the mounting column, and the clockwork is located in the mounting groove.

[0015] The utility model has the following beneficial effects:

[0016] 1, the utility model discloses a blood collection tube body is supported by the supporting shaft and is swung back and forth with the supporting shaft as the center, which drives the blood collection tube body to shake five to eight times in the process, so that the additive in the blood collection tube body is mixed uniformly with the blood sample, without manual shaking, it is more labor-saving and time-saving, and simple operation, the blood collection tube body is stressed evenly and gently in the shaking process, thereby avoiding hemolysis, and thereby increasing the practicability of the blood collection tube placing device for medical laboratory.

[0017] 2, the utility model discloses three supporting springs drive three sliding rods to move upward and reset under the release force of the supporting spring and the positioning spring, three positioning springs push three limit blocks to move relatively to clamp and fix the blood collection tube body, thereby realizing that the blood collection tube body is fixed in the second placing groove, guaranteeing the stability and safety in the process of shaking the blood collection tube body, convenient and flexible fixing, simple operation, thereby increasing the practicability and flexibility of the blood collection tube placing device for medical laboratory.

[0018] 3, the utility model discloses that the blood collection tube body is inserted into the placing frame through the first placing groove, so that the lower end of the blood collection tube body slides into the corresponding holding groove, at this time, the blood collection tube body can be placed and positioned, and the rubber pad of the bottom wall of the holding groove has a protective effect on the blood collection tube body, avoiding the blood collection tube body from being broken by colliding with the bottom wall of the holding groove when being inserted into the placing frame.

[0019] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the utility model, the following will briefly introduce the drawings needed to be used in the description of the embodiments. Obviously, the drawings described in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0021] Figure 1 It is the overall structure schematic diagram of the utility model;

[0022] Figure 2 It is the placing frame structure schematic diagram of the utility model;

[0023] Figure 3 It is the Figure 2 The enlarged view of A of the utility model;

[0024] Figure 4 It is the limiting block structure schematic diagram of the utility model;

[0025] Figure 5 It is the clockwork structure schematic diagram of the utility model;

[0026] Figure 6 It is the cross section view of the positioning block of the utility model.

[0027] In the drawings, the component list represented by each sign is as follows:

[0028] 1, placing box;2, sliding groove;3, placing frame;4, handle;5, first placing groove;6, supporting groove;7, mounting groove;8, positioning groove;9, positioning block;10, rotating motor;11, supporting shaft;12, mounting block;13, sliding groove;14, sliding block;15, fixed block;16, fixed shaft;17, blood collection tube body;18, positioning ring;19, second placing groove;20, supporting spring;21, sliding rod;22, limiting groove;23, limiting block;24, positioning spring;25, sliding rail groove;26, clockwork. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be described clearly and completely in the following with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the utility model protection.

[0030] In the description of the utility model, it is understood that the terms "opening", "upper", "lower", "top", "middle", "inner" and the like indicate the orientation or positional relationship, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0031] Please refer to Figure 1 - Figure 6 As shown in the utility model is a kind of medical examination department blood collection tube placing device, including placing box 1, the upper surface of the placing box 1 is equipped with sliding groove 2, the upper surface of the placing box 1 is equipped with the positioning groove 8 extending out from its lower surface, slidingly connected with placing mechanism in the sliding groove 2, blood collection tube body 17 is arranged on the placing mechanism, the placing mechanism is used to place the blood collection tube body 17, the left and right two side walls between the positioning groove 8 are slidingly connected with positioning block 9, positioning mechanism is arranged in the positioning block 9, the positioning mechanism is used to fix the blood collection tube body 17 on the positioning block 9, the placing box 1 is provided with the shaking mechanism, the shaking mechanism is used to drive the positioning mechanism to shake, to realize the shaking purpose of the blood collection tube body 17.

[0032] When using, press the positioning mechanism downward, then place the blood collection tube body 17 needing to be shaken in the positioning mechanism, and release the pressing of the positioning mechanism, so that the positioning mechanism clamps the outer surface of the blood collection tube body 17, cooperates with friction and other factors, so as to fix the blood collection tube body 17 in it, then start the shaking mechanism, the shaking mechanism drives the positioning mechanism to shake, and then drives the blood collection tube body 17 fixed on the positioning mechanism to shake, so as to mix the additive in the blood collection tube body 17 with blood sample uniformly, after shaking the blood collection tube body 17, press the positioning mechanism again, so that the positioning mechanism releases the clamping and fixing of the blood collection tube body 17, then the blood collection tube body 17 is taken off from the positioning mechanism and inserted into the placing mechanism for placement.

[0033] In one embodiment, for the above-mentioned placing mechanism, the placing mechanism includes a placing frame 3, the placing frame 3 is slidingly connected with the sliding groove 2, two handles 4 are fixedly connected to the upper surface of the placing frame 3, a plurality of first placing grooves 5 are formed in the upper surface of the placing frame 3 and extend into the interior thereof, the blood collection tube body 17 is slidingly connected with the first placing groove 5, a plurality of supporting grooves 6 are formed in the bottom wall of the placing frame 3, the first placing groove 5 and the supporting groove 6 correspond one by one, and a rubber pad is fixedly connected to the bottom wall of the supporting groove 6.

[0034] In addition, in specific application, the blood collection tube body 17 is inserted into the placing frame 3 through the first placing groove 5, so that the lower end of the blood collection tube body 17 is slid into the corresponding holding groove 6, at this time, the blood collection tube body 17 can be placed and positioned, and the rubber pad of the bottom wall of the holding groove 6 has a protective effect on the blood collection tube body 17, so as to avoid the collision of the blood collection tube body 17 with the bottom wall of the holding groove 6 when the blood collection tube body 17 is inserted into the placing frame 3, thereby increasing the practicability of the blood collection tube placing device for medical laboratories.

[0035] In one embodiment, for the positioning mechanism, the positioning mechanism comprises the second placing groove 19, the second placing groove 19 is opened on the upper surface of the positioning block 9, the inner wall of the second placing groove 19 is provided with three limiting grooves 22, the limiting grooves 22 are slidably connected with limiting blocks 23, the three limiting blocks 23 are arranged in a central array, the upper surface of the positioning block 9 is slidably connected with three sliding rods 21, and the lower ends of the three sliding rods 21 are slidably extended into the three limiting grooves 22.

[0036] The upper surface of the limiting block 23 is provided with a sliding rail groove 25, the lower surface of the sliding rod 21 is a spherical surface, the lower surface of the sliding rod 21 is in contact with the bottom wall of the sliding rail groove 25, the bottom wall of the sliding rail groove 25 is an inclined surface, the sliding rod 21 is slidably connected with the corresponding sliding rail groove 25, and the upper ends of the three sliding rods 21 are fixedly connected with a positioning ring 18.

[0037] The lower surface of the positioning ring 18 and the upper surface of the positioning block 9 are fixedly connected with three supporting springs 20, the supporting springs 20 are slidably sleeved on the outer surfaces of the corresponding sliding rods 21, the inner wall of the limiting groove 22 away from the blood collection tube body 17 is fixedly connected with a positioning spring 24, and one end of the positioning spring 24 close to the blood collection tube body 17 is fixedly connected with the corresponding limiting block 23.

[0038] When the positioning ring 18 is pressed downward, the positioning ring 18 drives the three sliding rods 21 to slide downward, and when the positioning ring 18 continuously moves, the three supporting springs 20 are pressed and deformed. Since the sliding rod 21 is in sliding connection with the bottom wall of the corresponding sliding rail groove 25 during downward movement, and the sliding rail groove 25 is inclined, when the sliding rod 21 moves downward, the sliding rod 21 can push the limiting block 23 with a pushing force in cooperation with the sliding rail groove 25, so that the limiting block 23 moves towards the positioning spring 24. The limiting block 23 presses the positioning spring 24 which is fixed on one side during movement, so that the positioning spring 24 is deformed. At this time, the three limiting blocks 23 move away from each other. At this time, the blood collection tube body 17 is placed in the second placing groove 19, and the pressing on the positioning ring 18 is released. Under the action of the released elastic force of the supporting spring 20 and the positioning spring 24, the three supporting springs 20 drive the three sliding rods 21 to move upward and reset. The three positioning springs 24 push the three limiting blocks 23 to move relatively and clamp and fix the blood collection tube body 17. Thus, the blood collection tube body 17 is fixed in the second placing groove 19, the stability and safety during shaking of the blood collection tube body 17 are ensured, the fixing is convenient and flexible, the operation is simple, and the practicability and flexibility of the blood collection tube placing device for medical examination department are increased.

[0039] In one embodiment, for the above-mentioned shaking mechanism, the shaking mechanism comprises a mounting groove 7 which is arranged in the placing box 1, the mounting groove 7 is located on the left side of the positioning groove 8, a supporting shaft 11 is rotatably connected between the left and right inner walls of the mounting groove 7, and the right end of the supporting shaft 11 rotatably penetrates into the positioning groove 8 and is fixedly connected with the left side surface of the positioning block 9.

[0040] A rotating motor 10 is fixedly connected to the left side surface of the placing box 1, a fixed shaft 16 is fixedly connected to the rotating output shaft of the rotating motor 10, the end of the fixed shaft 16 away from the rotating motor 10 rotatably penetrates into the mounting groove 7, a fixed block 15 is fixedly connected to the end of the fixed shaft 16 away from the rotating motor 10, and a sliding block 14 is fixedly connected to the outer surface of the side of the fixed block 15 away from the fixed shaft 16.

[0041] The outer surface of the supporting shaft 11 is fixedly sleeved with the mounting block 12, the left side surface of the mounting block 12 is provided with a sliding groove 13 extending out of the right side surface thereof, the sliding block 14 slides into the sliding groove 13, a mounting column is fixedly connected to the left side inner wall of the mounting groove 7, a clock spring 26 is arranged on the supporting shaft 11, the inner end of the clock spring 26 is fixedly connected with the supporting shaft 11, the outer end of the clock spring 26 is fixedly connected with the mounting column, and the clock spring 26 is located in the mounting groove 7.

[0042] In the initial state, the positioning block 9 is initially in an inclined state under the torque balance state of the clockwork 26. When the rotating motor 10 is started, the rotating motor 10 drives the fixed shaft 16 to rotate, and the fixed shaft 16 drives the fixed block 15 and the sliding block 14 to rotate around the fixed shaft 16 as the center. In the rotating process of the sliding block 14, the sliding groove 13 is driven to slide. In this process, the mounting block 12 is driven to reciprocate around the support shaft 11 as the center, and the support shaft 11 is driven to reciprocate. In this process, the clockwork 26 is deformed. Because the positioning block 9 is fixedly connected to the right end of the support shaft 11, the positioning block 9 and the blood collection tube body 17 fixedly connected to the positioning block 9 are driven to reciprocate around the support shaft 11 as the center. In this process, the blood collection tube body 17 is shaken for five to ten times (the specific number is determined according to actual use requirements). The additive in the blood collection tube body 17 is uniformly mixed with the blood sample. The shaking process is more labor-saving and time-saving, and the operation is simple. The blood collection tube body is uniformly and gently stressed in the shaking process, thereby avoiding hemolysis and increasing the practicability of the blood collection tube placing device for medical laboratories.

[0043] In the scheme, the elastic force of the clockwork 26 is large, and the weight of the positioning block 9 and the blood collection tube body 17 is generally light, thereby stably supporting the positioning block 9.

[0044] According to the above technical scheme of the utility model, the blood collection tube body 17 is inserted into the placing frame 3 through the first placing groove 5, so that the lower end of the blood collection tube body 17 slides into the corresponding supporting groove 6, at this time, the blood collection tube body 17 can be placed and positioned, the positioning ring 18 is pressed downward, so that the positioning ring 18 drives the three sliding rods 21 to slide downward, when the positioning ring 18 continuously moves, the three supporting springs 20 can be extruded, so that the three supporting springs 20 are extruded and deformed, because the sliding rods 21 are slidably connected with the bottom wall of the corresponding sliding rail groove 25 during downward movement, and the sliding rail groove 25 is arranged in an inclined manner, so that when the sliding rods 21 move downward, the sliding rods 21 can push the limiting blocks 23 in the sliding rail groove 25, so that the limiting blocks 23 move towards the positioning springs 24, the limiting blocks 23 extrude the positioning springs 24 during movement, so that the positioning springs 24 are extruded and deformed, at this time, the three limiting blocks 23 move away from each other, at this time, the blood collection tube body 17 is placed in the second placing groove 19, the pressing on the positioning ring 18 is released, under the action of the release force of the supporting springs 20 and the positioning springs 24, the three supporting springs 20 drive the three sliding rods 21 to move upward and reset, the three positioning springs 24 push the three limiting blocks 23 to move relatively and clamp and fix the blood collection tube body 17, so that the blood collection tube body 17 is fixed in the second placing groove 19, in the initial state, under the force moment balance state of the clockwork spring 26, the positioning block 9 is initially in an inclined state, when the rotating motor 10 is started, the rotating motor 10 drives the fixed shaft 16 to rotate, the fixed shaft 16 rotates synchronously to drive the fixed block 15 and the sliding block 14 to rotate around the fixed shaft 16, the sliding block 14 drives the sliding groove 13 to slide during rotation, in this process, the mounting block 12 reciprocatingly swings around the support shaft 11 synchronously, so that the support shaft 11 reciprocatingly rotates synchronously, in this process, the clockwork spring 26 is also deformed, because the positioning block 9 is fixedly connected to the right end of the support shaft 11, the positioning block 9 and the blood collection tube body 17 fixed to the positioning block 9 swing reciprocatingly around the support shaft 11, in this process, the blood collection tube body 17 is shaken five to ten times (the specific number is determined according to actual use requirements), so that the additives in the blood collection tube body 17 are uniformly mixed with the blood sample.

[0045] Through the above technical scheme, 1, the positioning block 9 and the blood collection tube body 17 fixed to the positioning block 9 swing reciprocatingly around the support shaft 11, in this process, the blood collection tube body 17 is shaken five to eight times, so that the additives in the blood collection tube body 17 are uniformly mixed with the blood sample, without manual shaking, it is more labor-saving and time-saving, and the operation is simple, the blood collection tube body is uniformly and gently stressed during shaking, so that the hemolysis phenomenon is avoided, and the practicability of the blood collection tube placing device for a medical laboratory is increased.

[0046] 2. Under the action of the release force of the support spring 20 and the positioning spring 24, the three support springs 20 drive the three sliding rods 21 to move upward to reset, and the three positioning springs 24 push the three limiting blocks 23 to move relative to each other to clamp and fix the blood collection tube body 17, thereby fixing the blood collection tube body 17 in the second placement groove 19, ensuring stability and safety during the shaking of the blood collection tube body 17, making the fixing convenient and flexible, and the operation simple, thereby increasing the practicality and flexibility of the blood collection tube placement device for medical laboratory.

[0047] 3. By inserting the blood collection tube body 17 into the placement frame 3 through the first placement groove 5, the lower end of the blood collection tube body 17 slides into the corresponding support groove 6. At this time, the blood collection tube body 17 can be placed and positioned. The rubber pad on the bottom wall of the support groove 6 has a protective effect on the blood collection tube body 17, preventing the blood collection tube body 17 from colliding with the bottom wall of the support groove 6 and breaking when it is inserted into the placement frame 3.

[0048] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0049] The preferred embodiments of the utility model disclosed above are merely illustrative of the utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the utility model, thereby enabling those skilled in the art to better understand and utilize it. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A blood collection tube placement device for a medical laboratory, comprising a placement case (1), characterized in that, The upper surface of the placing box (1) is provided with a sliding groove (2), and the upper surface of the placing box (1) is provided with a positioning groove (8) extending out of the lower surface, a placing mechanism is slidably connected in the sliding groove (2), a blood collection tube body (17) is arranged on the placing mechanism, the placing mechanism is used for placing the blood collection tube body (17), a positioning block (9) is slidably connected between the left and right inner walls of the positioning groove (8), a positioning mechanism is arranged in the positioning block (9), and the positioning mechanism is used for fixing the blood collection tube body (17) on the positioning block (9), a shaking mechanism is arranged in the placing box (1), and the shaking mechanism is used for driving the positioning mechanism to shake, so as to achieve the purpose of shaking the blood collection tube body (17). The shaking mechanism comprises a mounting groove (7) arranged in the placing box (1), the mounting groove (7) is located on the left side of the positioning groove (8), support shafts (11) are rotatably connected between the left and right inner walls of the mounting groove (7), and right ends of the support shafts (11) rotatably penetrate into the positioning groove (8) and are fixedly connected with the left side surface of the positioning block (9). A rotating motor (10) is fixedly connected to the left side surface of the placing box (1), a fixed shaft (16) is fixedly connected to the rotating output shaft of the rotating motor (10), one end of the fixed shaft (16) rotatably penetrates into the mounting groove (7), a fixed block (15) is fixedly connected to the end of the fixed shaft (16) away from the rotating motor (10), and a sliding block (14) is fixedly connected to the outer surface of the side of the fixed block (15) away from the fixed shaft (16). An installation block (12) is fixedly sleeved on the outer surface of the support shaft (11), a slide groove (13) extending out of the right side surface of the installation block (12) is arranged on the left side surface of the installation block (12), the sliding block (14) slidably extends into the slide groove (13), an installation column is fixedly connected to the left inner wall of the mounting groove (7), a clock spring (26) is arranged on the support shaft (11), the inner end of the clock spring (26) is fixedly connected with the support shaft (11), the outer end of the clock spring (26) is fixedly connected with the installation column, and the clock spring (26) is located in the mounting groove (7).

2. The blood collection tube placement device of claim 1, wherein, The placing mechanism comprises a placing frame (3) slidably connected with the sliding groove (2), two handles (4) are fixedly connected to the upper surface of the placing frame (3), a plurality of first placing grooves (5) extending into the interior of the placing frame (3) are arranged on the upper surface of the placing frame (3), the blood collection tube body (17) is slidably connected with the first placing grooves (5), a plurality of supporting grooves (6) are arranged on the bottom wall of the placing frame (3), the first placing grooves (5) and the supporting grooves (6) are in one-to-one correspondence, and rubber pads are fixedly connected to the bottom walls of the supporting grooves (6).

3. The blood collection tube placement device of claim 2, wherein, The positioning mechanism comprises a second placing groove (19) which is arranged on the upper surface of the positioning block (9), the inner wall of the second placing groove (19) is provided with three limiting grooves (22), the limiting grooves (22) are all slidably connected with limiting blocks (23), the three limiting blocks (23) are arranged in a central array, the upper surface of the positioning block (9) is slidably connected with three sliding rods (21), the lower ends of the three sliding rods (21) are slidably extended into the three limiting grooves (22).

4. The blood collection tube placement device of claim 3, wherein, The upper surface of the limiting block (23) is provided with a sliding rail groove (25), the lower surface of the sliding rod (21) is a spherical surface, the lower surface of the sliding rod (21) is in contact with the bottom wall of the sliding rail groove (25), the bottom wall of the sliding rail groove (25) is an inclined surface, the sliding rod (21) is slidably connected with the corresponding sliding rail groove (25), and the upper ends of the three sliding rods (21) are fixedly connected with a positioning ring (18).

5. The blood collection tube placement device of claim 4, wherein the tube holder is configured to receive a blood collection tube having a tube body and a tube stopper. The lower surface of the positioning ring (18) and the upper surface of the positioning block (9) are fixedly connected with three supporting springs (20), the supporting springs (20) are slidably sleeved on the outer surfaces of the corresponding sliding rods (21), the inner wall of the limiting groove (22) away from the blood collection tube body (17) is fixedly connected with a positioning spring (24), and one end of the positioning spring (24) close to the blood collection tube body (17) is fixedly connected with the corresponding limiting block (23).

Images