An automatic capping blood collection tube device
The design of the automatic capping blood collection tube device utilizes a rotating column and a moving ring to achieve automatic capping and uniform removal without damage, solving the problems of damage and inconvenience of traditional blood collection tube capping devices, and improving operational efficiency and automation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN MINGYUAN WELLCOME TECH CO LTD
- Filing Date
- 2025-07-09
- Publication Date
- 2026-06-30
AI Technical Summary
Traditional blood collection tube capping devices are prone to damaging the surface of the blood collection tube when the cap is squeezed, and it is inconvenient to remove the blood collection tube after the cap is put on.
An automatic capping blood collection tube device is designed. The device uses a first telescopic cylinder and a drive motor to drive a rotating column to achieve the squeezing and rotating capping. The combination of squeezing and rotating actions can automatically cap multiple blood collection tubes without the need for strong squeezing. The device also uses a moving ring and a second telescopic cylinder to achieve the unified upward movement and removal of the blood collection tubes.
It avoids damage to the surface of the blood collection tube, improves the efficiency of capping and the degree of automation, simplifies the collection and processing of blood collection tubes, and reduces the tediousness and labor intensity of manual operation.
Smart Images

Figure CN224430124U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of blood collection tube devices, specifically an automatic capping blood collection tube device. Background Technology
[0002] After the collected blood is placed into the blood collection tube, a cap is added to the tube to prevent contamination from the outside air and to better preserve it. This cap prevents air from entering the blood collection tube and blood from flowing out. Initially, the cap was manually pressed onto the top of the blood collection tube, but this method was very inefficient.
[0003] According to the published patent CN206828049U, a blood collection tube capping device is disclosed. A lower pressure plate and an upper pressure plate are arranged sequentially from bottom to top on a frame. The lower part of the lower pressure plate has four first telescopic supports for connecting to the frame, and the lower half of the upper pressure plate has four second telescopic supports for connecting to the lower pressure plate. A test tube rack is placed between the lower and upper pressure plates. A lifting mechanism is provided on the lower pressure plate. The lifting mechanism includes a lifting platform, a sliding plate, and a third telescopic support. The third telescopic support is located at the bottom of the lifting platform, and its extension length is equal to the difference between the lengths of the long and short blood collection tubes. The upper surface of the lifting platform is at the same level as the bottom surface of the blood collection tubes. The sliding plate is located on the upper surface of the lifting platform; each sliding plate corresponds to a blood collection tube, and adjacent sliding plates are slidably connected. The third telescopic support drives the lifting platform upward, raising the short blood collection tube to be level with the upper end of the long blood collection tube, simultaneously capping both the long and short blood collection tubes.
[0004] However, in practice, traditional blood collection tube capping devices involve fixing multiple caps on a capping station plate and pressing them onto the top of the blood collection tube to complete the capping operation. However, this method applies pressure to the blood collection tube during the capping process, which can easily damage the surface of the tube, affecting its normal use. Furthermore, after capping, operators need to remove multiple blood collection tubes one by one from a telescopic support, which is not very convenient. Therefore, a new technical solution is needed to address these issues. Utility Model Content
[0005] The purpose of this invention is to overcome the shortcomings of the existing technology, adapt to practical needs, and provide an automatic capping blood collection tube device to solve the problems of the current traditional blood collection tube capping device, which fixes multiple caps on the capping station plate and presses the caps onto the top of the blood collection tube to complete the capping operation. However, this capping method applies pressure to the blood collection tube during the capping process, which can easily cause damage to the surface of the blood collection tube, thus affecting the normal use of the blood collection tube. Moreover, after the blood collection tube capping process is completed, the operator needs to remove multiple blood collection tubes one by one from the telescopic support, which is not very convenient.
[0006] To achieve the purpose of this utility model, the technical solution adopted by this utility model is as follows: an automatic capping blood collection tube device is designed, including a device base plate, one end of a support rod is fixed at each of the four corners of the top of the device base plate, a support plate is fixed at the other end of the support rod, a fixing sleeve passes through the inside of the support plate, a support column passes through the inside of the fixing sleeve, the support column is installed on the top of the device base plate, and an automatic capping component is provided on the top of the support column.
[0007] Preferably, the automatic capping assembly includes a first telescopic cylinder, which is installed in a circular groove at the top of the support column.
[0008] Preferably, a piston rod is connected to the top of the telescopic cylinder, a fixed plate is fixed to the top of the piston rod, and multiple sets of drive motors are provided at the bottom of the fixed plate, with four drive motors in each set, and a rotating column is connected to the output shaft at the bottom of each drive motor.
[0009] Preferably, a plurality of limiting plates are fixed around the outer wall of the support column, and a plurality of limiting holes are opened on the top of the plurality of limiting plates, and the plurality of limiting holes are correspondingly set with a plurality of drive motors.
[0010] Preferably, a movable ring extends through the bottom of the outer side of the support column, and piston rods are connected to both sides of the bottom of the movable ring.
[0011] Preferably, a second telescopic cylinder is connected to the bottom of the piston rod, and the second telescopic cylinder is installed on the top of the device base plate.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] 1. This utility model combines a first telescopic cylinder, a fixed plate, and a drive motor. The first telescopic cylinder drives the fixed plate and multiple drive motors to move downwards. A rotating column with a cap mounted below the fixed plate compresses the cap from the top of the blood collection tube, achieving automatic capping of multiple blood collection tubes. During the cap compression process, the drive motor drives the rotating column and the cap to rotate together, thus screwing the cap into place from the top of the blood collection tube. This capping method does not require a large compressive force and can easily achieve simultaneous automatic capping of multiple caps. It solves the technical problem of traditional blood collection tube capping devices, which fix multiple caps on a capping station plate and compress them to the top of the blood collection tube to complete the capping operation. However, this capping method applies pressure to the blood collection tube during the cap compression process, which can easily damage the surface of the blood collection tube, affecting its normal use. Moreover, after the blood collection tube capping process is completed, the operator needs to remove multiple blood collection tubes one by one from the telescopic support, which is not very convenient.
[0014] 2. This utility model combines a moving ring, a second telescopic cylinder, and a fixed sleeve. After the blood collection tube is capped, the second telescopic cylinder can be activated, which drives the moving ring upward. During the upward movement of the moving ring, multiple blood collection tubes in the limiting plate are simultaneously moved upward. As the moving ring continues to move upward, multiple blood collection tubes are directly removed from the limiting plate, allowing staff to directly collect and process the large number of removed blood collection tubes. This solves the technical problem that after the blood collection tube capping process is completed, staff need to remove multiple blood collection tubes one by one from the telescopic support, which is not very convenient. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the movable ring structure of this utility model;
[0017] Figure 3 This is a bottom view of the fixed disc structure of this utility model.
[0018] In the figure: 1. Device base plate; 101. Support rod; 102. Support plate; 2. Fixing sleeve; 201. Support column; 202. Limiting plate; 203. Limiting hole; 204. First telescopic cylinder; 205. Fixing disc; 206. Circular groove; 207. Drive motor; 208. Rotating column; 3. Second telescopic cylinder; 301. Moving ring. Detailed Implementation
[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments:
[0020] Example 1: An automatic capping blood collection tube device, see [link to example]. Figures 1 to 3 The device includes a base plate 1. Support rods 101 are fixed to one end at each of the four corners of the top of the base plate 1. Support plates 102 are fixed to the other ends of the support rods 101. A fixing sleeve 2 passes through the inside of the support plate 102, and a support column 201 passes through the inside of the fixing sleeve 2. The support column 201 is installed on the top of the base plate 1. An automatic capping assembly is installed on the top of the support column 201. First, the operator places multiple uncapped blood collection tubes one by one into the pre-set limiting holes 203 on the surface of multiple limiting plates 202. The limiting holes 203 position and stabilize the blood collection tubes, ensuring their stability in subsequent operations. The position is accurate and stable. Then, the cap is inserted into the rotating column 208 at the bottom of the multiple drive motors 207, completing the assembly of the cap and rotating column 208. After the cap is installed, the first telescopic cylinder 204 is activated. The first telescopic cylinder 204 begins to work, its piston rod extends, driving the connected fixed plate 205 and the multiple drive motors 207 mounted on the fixed plate 205 to move downwards as a whole. As the drive motors 207 descend, the cap fitted on the bottom rotating column 208 also moves closer to the top of the blood collection tube, gradually applying downward pressure to the cap, achieving... The cap is squeezed from the top of the blood collection tube. Simultaneously, multiple drive motors 207 are activated during this squeezing process. These motors rotate the rotating column 208 at their base and the cap fitted onto it. Through the rotation of the column 208, the cap spirals into the blood collection tube from the top, tightly engaging with it and completing the capping operation. This capping method combines squeezing and rotation, utilizing the torque of rotation to connect the cap to the blood collection tube. It allows for the automatic capping of multiple blood collection tubes simultaneously without requiring significant squeezing force. This method avoids damage to the surface of blood collection tubes caused by excessive squeezing force, improves capping efficiency and automation, and solves the problems of traditional blood collection tube capping devices. These devices fix multiple caps on the capping station plate and press the caps onto the top of the blood collection tubes to complete the capping operation. However, this capping method applies pressure to the blood collection tubes during the capping process, which can easily cause damage to the surface of the blood collection tubes, thus affecting their normal use. Moreover, after the blood collection tube capping process is completed, the staff needs to remove multiple blood collection tubes one by one from the telescopic support, which is not very convenient.
[0021] For details, see Figure 1 The automatic capping assembly includes a first telescopic cylinder 204, which is installed in a circular groove 206 opened at the top of the support column 201.
[0022] Further, see Figure 3The top of the telescopic cylinder is connected to a piston rod, and a fixed plate 205 is fixed to the top of the piston rod. Multiple sets of drive motors 207 are set at the bottom of the fixed plate 205. Each set of drive motors 207 consists of four motors, and the output shaft at the bottom of each drive motor is connected to a rotating column 208.
[0023] It is worth noting that, see Figure 1 Multiple limiting plates 202 are fixed around the outer wall of the support column 201. Multiple limiting holes 203 are opened on the top of the multiple limiting plates 202, and the multiple limiting holes 203 are correspondingly set with multiple drive motors 207.
[0024] It is worth noting that, see Figure 2 A movable ring 301 is inserted through the bottom of the support column 201. Piston rods are connected to both sides of the bottom of the movable ring 301. After the blood collection tube is capped, the operator activates the second telescopic cylinder 3. The second telescopic cylinder 3, via the piston rods, drives the movable ring 301 upwards. As the movable ring 301 moves upwards, it abuts against the bottom of multiple blood collection tubes. During this upward movement, the blood collection tubes originally in the limited position within the multiple limiting plates 202 are simultaneously moved upwards. Because the limiting holes 203 of the limiting plates 202 constrain the blood collection tubes, in the initial upward movement of the movable ring 301, the blood collection tubes will rise smoothly along the trajectory of the limiting holes 203, ensuring that the blood collection tubes do not shift or tilt during the upward movement. As the second telescopic cylinder 3 continues to output power, the moving ring 301 moves upward, and the blood collection tube also rises continuously. When it rises to a certain height, the bottom of the blood collection tube will completely detach from the limiting hole 203 of the limiting plate 202. At this time, multiple blood collection tubes will move directly out of the limiting plate 202 and be in a position that is convenient for the staff to operate. The staff no longer needs to take out the blood collection tubes one by one from the limiting plate 202. Instead, they can directly carry out unified collection and processing of a large number of blood collection tubes, which greatly improves work efficiency, reduces the tediousness and labor intensity of manual operation, and solves the technical problem that after the blood collection tube capping process is completed, the staff needs to take out multiple blood collection tubes one by one from the telescopic bracket, which is not very convenient.
[0025] It is worth mentioning that, see Figure 1 The bottom of the piston rod is connected to a second telescopic cylinder 3, which is installed on the top of the device base plate 1.
[0026] When using an automatic capping blood collection tube device, the operator first places multiple uncapped blood collection tubes one by one into the pre-set limiting holes 203 on the surface of multiple limiting plates 202. The limiting holes 203 position and stabilize the blood collection tubes, ensuring that the tubes are accurately positioned and do not wobble during subsequent operations. Then, the caps are inserted into the rotating columns 208 at the bottom of multiple drive motors 207, completing the assembly of the caps and rotating columns 208. After the caps are installed, the first telescopic cylinder 204 is activated. The first telescopic cylinder 204 begins to work, and its piston rod extends, driving the connected fixed plate 205 and the multiple drive motors 207 mounted on the fixed plate 205 to move as a whole. As the drive motor 207 descends, the cap fitted on its bottom rotating column 208 moves closer to the top of the blood collection tube, gradually applying downward pressure to squeeze the cap from the top of the blood collection tube. Simultaneously, during this squeezing process, multiple drive motors 207 are activated, causing the rotating column 208 at its bottom and the cap fitted on it to rotate together. Through the rotation of the rotating column 208, the cap spirals into the top of the blood collection tube, tightly fitting into it, completing the capping operation. This capping method combines squeezing and rotational actions, utilizing the rotational torque to connect the cap to the blood collection tube. A relatively large squeezing force is required to automatically cap multiple blood collection tubes simultaneously. This avoids damage to the surface of the blood collection tubes caused by excessive squeezing force and improves capping efficiency and automation. After the blood collection tubes are capped, the operator activates the second telescopic cylinder 3. The second telescopic cylinder 3, through the piston rod, drives the connected moving ring 301 upward. As the moving ring 301 moves upward, it abuts against the bottom of multiple blood collection tubes. During the upward movement of the moving ring 301, the blood collection tubes that were originally in a limited state within the multiple limiting plates 202 are synchronously moved upward. Because the limiting holes 203 of the limiting plates 202 constrain the blood collection tubes, blood collection is initiated during the initial upward movement of the moving ring 301. The tube will rise smoothly along the trajectory of the limiting hole 203, ensuring that the blood collection tube will not deviate or tip over during the ascent. As the second telescopic cylinder 3 continues to output power, the moving ring 301 moves upward continuously, and the blood collection tube also rises continuously. When it rises to a certain height, the bottom of the blood collection tube will completely detach from the limiting hole 203 of the limiting plate 202. At this time, multiple blood collection tubes will be directly removed from the limiting plate 202 and placed in a position that is convenient for the staff to operate. The staff no longer needs to remove the blood collection tubes one by one from the limiting plate 202, but can directly carry out unified collection and processing work on a large number of removed blood collection tubes, which greatly improves work efficiency and reduces the tediousness and labor intensity of manual operation.
[0027] In addition, all components designed in this utility model are general standard parts or components known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. Those skilled in the art can fully implement them, so there is no need to elaborate. The content protected by this utility model does not involve improvements to the internal structure and method.
Claims
1. An automatic capping blood collection tube device comprising a device base plate (1), characterized in that, The device base plate (1) has one end of a support rod (101) fixed at each of the four corners of the top. The other end of the support rod (101) is fixed to a support plate (102). A fixing sleeve (2) runs through the inside of the support plate (102). A support column (201) runs through the inside of the fixing sleeve (2). The support column (201) is installed on the top of the device base plate (1). An automatic cover assembly is provided on the top of the support column (201).
2. The self-capped blood collection tube device of claim 1, wherein, The automatic capping assembly includes a first telescopic cylinder (204), which is installed in a circular groove (206) opened at the top of the support column (201).
3. The self-capped blood collection tube device of claim 2, wherein, The first telescopic cylinder (204) is connected to a piston rod at the top, and a fixed plate (205) is fixed to the top of the piston rod. Multiple sets of drive motors (207) are provided at the bottom of the fixed plate (205). Each set of drive motors (207) consists of four motors, and the output shaft at the bottom of each drive motor is connected to a rotating column (208).
4. The self-capped blood collection tube device of claim 1, wherein, The outer wall of the support column (201) is fixed with multiple limiting plates (202), and the top of each limiting plate (202) is provided with multiple limiting holes (203), and the multiple limiting holes (203) are correspondingly set with multiple drive motors (207).
5. The self-capped blood collection tube device of claim 1, wherein, The bottom of the support column (201) is penetrated by a movable ring (301), and piston rods are connected to both sides of the bottom of the movable ring (301).
6. The self-capped blood collection tube device of claim 5, wherein, The bottom of the piston rod is connected to a second telescopic cylinder (3), which is installed on the top of the device base plate (1).