CN115108154B

CN115108154B - Blood storage device

Info

Publication number: CN115108154B
Application number: CN202210636797.9A
Authority: CN
Inventors: 张永海; 张成志; 滕培坤
Original assignee: Qingdao Haier Biomedical Co Ltd
Current assignee: Qingdao Haier Biomedical Co Ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2023-12-15
Anticipated expiration: 2042-06-07
Also published as: CN115108154A

Abstract

The application relates to the technical field of blood storage, and discloses a blood storage device, which comprises a shell, wherein an accommodating space is formed in the shell, and an access port is formed in the shell; the storage bins are rotatably arranged in the accommodating space, a plurality of storage bins are arranged along the rotation direction, and each storage bin can be used for accommodating one blood box; each storage bin can rotate to a position corresponding to the access port along with the storage bin; the pushing device is arranged in the accommodating space and used for pushing the blood box between the storage bin and the access port; wherein, the storage bin is put and is included: the rack body is of a vertical cylinder structure, a plurality of layers of bin shelves are arranged on the rack body along the axial direction, a plurality of storage bins are arranged on each layer of bin shelves, and the storage bins on every two adjacent layers of bin shelves are arranged in a staggered manner; the driving device is arranged between every two adjacent layers of bins and is used for driving the frame body to rotate, so that the storage bin of each layer of bin corresponds to the access port respectively, and the blood box in the corresponding storage bin is pushed to the access port through the pushing device.

Description

Blood storage device

Technical Field

The application relates to the technical field of blood storage, for example to a blood storage device.

Background

Hospitals need to store different types of blood for use in patient transfusions, and blood is typically stored in a freezer or refrigerator from which medical personnel remove when blood is used. The blood access mode not only can increase timeliness of blood for clinical use, but also can increase workload of blood distribution personnel.

The related art discloses a turntable type automatic blood storage device, which comprises a control unit, a refrigerator, a mechanical unit, an input unit, an output unit and a detection unit; the refrigerator is of a vertical closed cylinder structure, the mechanical unit is arranged in the refrigerator, the refrigerator is provided with an access port, the refrigerator comprises a goods shelf component and a grabbing moving component, the goods shelf component is mainly used for storing blood bags, and the target goods shelf is rotated to a position opposite to the access port so as to grab the storage box by the grabbing moving component; the grabbing moving assembly is mainly used for grabbing the storage box, moving the storage box from the storage rack to the access port or moving the storage box back from the access port to the storage rack, the storage rack assembly comprises a central rotating shaft which is perpendicular to the ground, a plurality of partition plates are arranged at intervals from top to bottom, a plurality of storage positions for placing blood bags are arranged between two adjacent partition plates, each storage position is provided with a movable storage box, the blood bags are placed in the storage box, the storage boxes are conveniently taken, the storage positions in each layer are opposite from top to bottom, and when the access port is opened, the storage positions opposite to the access port are all visible.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

the storage positions where the blood bags to be taken are placed are corresponding to the access openings through the rotation of the goods shelves, the blood bags are taken out through the grabbing moving assembly, only one blood bag is taken out each time when the blood bags are taken out, but all the storage positions opposite to the access openings are visible, so that other blood bags are exposed to the external environment, and the safety of blood is affected.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.

Embodiments of the present disclosure provide a blood storage device to solve the problem of how to ensure the safety of other blood when accessing a blood bag.

In some embodiments, the blood storage device comprises: a shell, the interior of which is provided with a containing space and an access port; the storage bins are rotatably arranged in the accommodating space, a plurality of storage bins are arranged along the rotation direction, and each storage bin can be used for accommodating one blood box; each storage bin can rotate to a position corresponding to the access port along with the storage bin; the pushing device is arranged in the accommodating space and used for pushing the blood box between the storage bin and the access port; wherein, the storage bin is put and is included: the rack body is of a vertical cylinder structure, a plurality of layers of bin rest are arranged on the rack body along the axial direction, a plurality of storage bins are arranged on each layer of bin rest, and the storage bins on every two adjacent layers of bin rest are arranged in a staggered manner; the driving device is arranged between every two adjacent layers of bin holders and is used for driving the frame body to rotate, so that the storage bin of each layer of bin holders corresponds to the access port respectively, and the corresponding blood box in the storage bin is pushed to the access port through the pushing device.

In some embodiments, the frame comprises: the first bin is in a vertical cylinder structure, a plurality of first storage bins are arranged along the radial direction of the first bin, the plurality of first storage bins are distributed in a fan shape around the axis, and a first separation part is formed between every two adjacent first storage bins; the second bin is arranged below the first bin, is coaxial with the first bin, is provided with a plurality of second storage bins along the radial direction, is distributed in a fan shape around the axis, forms a second separation part between every two adjacent second storage bins, and corresponds to the first separation parts one by one so that the first storage bins and the second storage bins form dislocation distribution; when the first storage bin rotates to correspond to the access port, the second partition part corresponds to the access port; when the second storage bin rotates to correspond to the access port, the first separation part corresponds to the access port.

In some embodiments, the first cartridge rest is provided with a first through hole, the first through hole being concentric with the first cartridge rest; the second bin is provided with a second through hole, the second through hole is concentric with the second bin, and the second through hole and the first through hole form a containing cavity together.

In some embodiments, the driving means comprises: the motor component is arranged on the shell; the driving wheel is connected with the motor assembly in a driving way; the two side surfaces of the driving driven wheel are respectively fixed on the bottom side wall of the first bin and the top side wall of the second bin, and a third through hole is formed in the driving driven wheel corresponding to the first through hole; the rotating shaft is arranged in the third through hole; the bearing is embedded between the rotating shaft and the driving driven wheel; the first transmission end of the synchronous belt is in transmission connection with the driving wheel, and the second transmission end of the synchronous belt is in transmission connection with the driving driven wheel; the bracket is fixed at one end of the bottom plate of the shell, the other end of the bracket is fixed on the rotating shaft through the second through hole, and the bracket supports the storage bin to be placed, so that the bottom side wall of the second bin is placed at a preset distance from the bottom plate of the shell, and the push device is arranged; the motor assembly drives the driving wheel to rotate, and the synchronous belt drives the storage bin to rotate.

In some embodiments, the motor assembly comprises: a support rod, the first end of which is fixed on the bottom plate of the shell; the motor is fixed at the second end of the supporting rod, and an output shaft of the motor is in driving connection with a central shaft of the driving wheel; the second end of the supporting rod vertically extends to a position corresponding to the first bin top, so that the driving wheel and the driving driven wheel are located on the same horizontal line.

In some embodiments, the shaft is radially configured with an annular groove proximate a bottom of the bearing, the drive device further comprising: and the limiting clamping ring is clamped in the annular clamping groove and used for limiting the bearing.

In some embodiments, the outer side wall of the first bin rest corresponds to a plurality of first storage bins and is provided with a plurality of first bin outlets respectively, the inner side wall of the first bin rest corresponds to a plurality of first bin outlets and is provided with a plurality of first openings, the top side wall of the first bin rest corresponds to a plurality of first sliding grooves, and two ends of each first sliding groove are respectively communicated with the first bin outlets and the first openings; the outer side wall of the second bin is provided with a plurality of second bin outlets corresponding to the second storage bins, the inner side wall of the second bin is provided with a plurality of second openings corresponding to the second bin outlets, the bottom side wall is provided with a plurality of second sliding grooves corresponding to the bottom side wall, and two ends of the second sliding grooves are respectively communicated with the second bin outlets and the second openings.

In some embodiments, the blood box comprises a plurality of first blood boxes respectively arranged on the plurality of first storage bins, and a first traction part is arranged on the side surface of the first blood box facing the first opening and extends out of the first opening; the plurality of second blood boxes are respectively arranged in the plurality of second storage bins, a second traction part is arranged on the side surface of the second blood box, which faces the second opening, and the second traction part extends out of the second opening.

In some embodiments, the pushing device comprises: the first pushing device is arranged above the first bin and is used for pushing the first blood box between the first storage bin and the access port; the second pushing device is arranged below the second bin and is used for pushing the second blood box between the second storage bin and the access port.

In some embodiments, the first pushing device and the second pushing device each comprise: the first end of the conveying part is arranged on the shell corresponding to the rotation center of the storage bin, and the second end of the conveying part is arranged on the access port; one end of the grabbing part is arranged on the conveying part and can move along with the conveying part, and the other end of the grabbing part extends into the accommodating cavity; when the first storage bin rotates to correspond to the access port, the conveying part of the first pushing device corresponds to the first sliding groove, so that the grabbing part of the first pushing device grabs the first traction part and then moves the first blood box to the access port along with the conveying part of the first pushing device; when the second storage bin rotates to correspond to the access port, the conveying part of the second pushing device corresponds to the second sliding groove, so that the grabbing part of the second pushing device grabs the second traction part and then moves the second blood box to the access port along with the transmission part of the second pushing device.

The blood storage device provided by the embodiment of the disclosure can realize the following technical effects:

1. the storage bin is provided with a plurality of storage bins along the rotation direction of the storage bin, each storage bin can rotate to a position corresponding to the access port along with the storage bin, when blood needs to be accessed, the storage bin rotates to a position corresponding to the access port, and the pushing device pushes blood boxes in the storage bin to the access port or sends the blood boxes located in the access port to the storage bin, so that blood access is realized. The blood storage device provided by the embodiment of the disclosure can realize automatic access of blood, avoids the busy and wrong taking of blood for a patient, further improves the blood utilization rate and the uniqueness of the blood, reduces the risk of busy operation, and can reduce the workload of blood distribution personnel, thereby saving the time of blood for the patient;

2. the embodiment of the disclosure provides a blood storage device, the storehouse is put and is put including support body and drive arrangement, and the support body is provided with the multilayer storehouse along axial direction and puts, and every layer storehouse is put and is provided with a plurality of storehouses to every adjacent two-layer storehouse is put the storehouse dislocation set on putting, and drive arrangement sets up between every adjacent two-layer storehouse and puts, and the drive support body is rotatory, makes every layer storehouse put the storehouse respectively corresponding with the access opening. By adopting the staggered arrangement, when blood is accessed, only one storage bin of the current layer is opposite to the access port, and the rest storage bins are invisible, so that the blood in the other storage bins is prevented from being exposed to the external environment, and the safety of other blood when the blood bag is accessed can be effectively ensured.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:

FIG. 1 is a schematic illustration of a blood storage device provided in an embodiment of the present disclosure;

FIG. 2 is a schematic illustration of a blood storage device with portions removed, according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a storage bin according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of a first cartridge shelf provided by an embodiment of the present disclosure;

FIG. 5 is a schematic illustration of a second cartridge shelf provided by an embodiment of the present disclosure;

FIG. 6 is a schematic diagram of a driving apparatus according to an embodiment of the present disclosure;

FIG. 7 is a schematic view of another driving apparatus according to an embodiment of the present disclosure;

FIG. 8 is a schematic view of a blood cassette provided in an embodiment of the present disclosure;

fig. 9 is a schematic structural view of a pushing device according to an embodiment of the disclosure;

Fig. 10 is a schematic view of a structure of a pushing device provided in an embodiment of the present disclosure when the pushing device is in a state of pushing the blood cassette;

fig. 11 is a schematic structural view of one enclosure provided by an embodiment of the present disclosure.

Reference numerals:

100: a housing; 101: a first door body; 102: a second door body; 110: a console; 111: a signature region; 112: sign pen; 113: a liquid crystal display; 114: a video screen; 115: an audio module; 116: an ID card reader; 117: a first camera; 118: a second camera;

210: a baffle; 211: a first delivery port; 212: a second delivery port; 213: a first pushing end; 214: a first delivery end; 215: a second pushing end; 216: a second delivery end; 220: a first conveying path; 230: a second conveying path;

310: a first bin is placed; 311: a first storage bin; 312: a first partition; 313: a first bin outlet; 314: a first opening; 315: a first chute; 320: the second bin is placed; 321: a second storage bin; 322: a second partition; 323: a second bin outlet; 324: a second opening; 325: a second chute; 330: a driving device; 331: a driving wheel is driven; 332: driving a driven wheel; 333: a rotating shaft; 334: a bearing; 335: a synchronous belt; 336: a bracket; 337: a support rod; 338: a motor; 340: a traction section; 341: a grabbing hole;

400: a first pushing device; 411: a driving motor; 412: a conveying driving wheel; 413: conveying a driven wheel; 414: a conveyor belt; 421: a moving arm; 422: a first clamping block; 423: a second clamping block; 424: an electromagnet; 425: an armature member; 426: a clamping shaft; 427: a spring;

500: a second pushing device;

600: a bellows assembly.

Detailed Description

So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.

The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe embodiments of the present disclosure and embodiments thereof and are not intended to limit the indicated device, element, or component to a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the embodiments of the present disclosure will be understood by those of ordinary skill in the art in view of the specific circumstances.

In addition, the terms "disposed," "connected," "secured" and "affixed" are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the embodiments of the present disclosure may be understood by those of ordinary skill in the art according to specific circumstances.

The term "plurality" means two or more, unless otherwise indicated.

In the embodiment of the present disclosure, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.

It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other.

Referring to fig. 1-11, an embodiment of the present disclosure provides a blood storage device, including a casing 100, a storage compartment, and a pushing device, where a receiving space is configured in the casing 100, and an access port is provided; the storage bin is rotatably arranged in the accommodating space, a plurality of storage bins are arranged along the rotation direction, and each storage bin is internally provided with a blood box; each storage bin can rotate to a position corresponding to the access port along with the storage bin; the pushing device is arranged in the accommodating space and used for pushing the blood box between the storage bin and the access port; the storage bin comprises a frame body and a driving device 330, wherein the frame body is of a vertical cylinder structure, a plurality of layers of bins are arranged on the frame body along the axial direction, a plurality of storage bins are arranged on each layer of bins, and the storage bins on every two adjacent layers of bins are arranged in a staggered manner; the driving device 330 is disposed between every two adjacent layers of bins, and is used for driving the frame to rotate, so that the storage bin of each layer of bin corresponds to the access port respectively, and the blood box in the corresponding storage bin is pushed to the access port by the pushing device.

The storage bin is provided with a plurality of storage bins along the rotation direction of the storage bin, each storage bin can rotate to a position corresponding to the access port along with the storage bin, when blood needs to be accessed, the storage bin rotates to a position opposite to the access port through the storage bin, and the pushing device pushes blood boxes in the storage bin to the access port or sends the blood boxes placed in the access port to the storage bin, so that blood access is realized. The blood storage device provided by the embodiment of the disclosure can realize automatic access of blood, avoids the busy and wrong taking of blood for a patient, further improves the blood utilization rate and the uniqueness of the blood, reduces the risk of busy operation, and can reduce the workload of blood distribution personnel, thereby saving the time of blood for the patient;

according to the blood storage device provided by the embodiment of the disclosure, the storage bins are arranged in a staggered manner on the storage bins of every two adjacent layers, so that when blood is stored, only one storage bin of the current layer is opposite to the access port, the rest storage bins are invisible, the blood in the other storage bins is prevented from being exposed to the external environment, and the safety of other blood in the process of storing the blood bag can be effectively ensured.

Optionally, the front panel of the casing 100 is opened corresponding to the accommodating space; the blood access device further comprises a first door body 101, a second door body 102 and a surrounding baffle part, wherein the first door body 101 is arranged at the opening, an access opening is formed in the first door body 101, the width of the access opening is matched with the blood box, and the height of the access opening is larger than the height of the storage bin; the second door 102 is openably and closably arranged at the access port; the enclosing part is arranged in the accommodating space, one end of the enclosing part is enclosed in the access port, and the other end of the enclosing part extends to the storage bin for placing and is used for providing a conveying channel for the blood box; wherein, after the pushing device pushes the blood box to push the second door 102 open, the blood box extends out of the access opening.

The casing 100 is provided with a first door body 101, an access opening is formed in the first door body 101, a second door body 102 is arranged at the access opening, the width of the access opening is matched with that of the blood box, the blood box is ejected out only through one blood box, and the height of the access opening is larger than the height of the storage bin, so that the installation and the arrangement of the pushing device are facilitated. By arranging the access port on the first door body 101, the first door body 101 is opened when the internal parts are required to be overhauled, and when blood is accessed, the opening and closing of the second door body 102 are only controlled, so that the arrangement mode can effectively reduce the leakage of cold energy, and the energy consumption of the blood storage device is reduced;

One end of the enclosing part encloses the access port, and the other end extends to the storage bin for placing, so as to provide a conveying channel for the blood box. After the second door body 102 is opened, only the storage bin opposite to the access port is visible, and the rest of storage bins are enclosed by the enclosing part, so that on one hand, the leakage of cold can be further reduced, and on the other hand, the blood in other storage bins can be prevented from being exposed to the external environment, and further, the safety of other blood can be effectively ensured.

Optionally, the rack body includes a first bin 310 and a second bin 320, the first bin 310 is in a vertical cylinder structure, the first bin 310 is provided with a plurality of first storage bins 311 along a radial direction, the plurality of first storage bins 311 are distributed in a fan shape around an axis, and a first separation part 312 is formed between every two adjacent first storage bins 311; the second bin rest 320 is in a vertical cylinder structure, is arranged below the first bin rest 310 and is coaxial with the first bin rest 310, the second bin rest 320 is provided with a plurality of second storage bins 321 along the radial direction, the plurality of second storage bins 321 are distributed in a fan shape around the axis, a second separation part 322 is formed between every two adjacent second storage bins 321, and the plurality of second storage bins 321 are in one-to-one correspondence with the plurality of first separation parts 312, so that the first storage bins 311 and the second storage bins 321 form dislocation distribution; when the first storage bin 311 rotates to a position corresponding to the access port, the second partition portion 322 corresponds to the access port; when the second storage bin 321 rotates to correspond to the access port, the first partition 312 corresponds to the access port.

The frame body includes a first bin 310 and a second bin 320, which are both in a vertical cylinder structure, so that it is convenient to rotate, and the required rotation space is small, thereby improving the space utilization rate inside the casing 100 and reducing the volume of the blood storage device.

The plurality of first storage bins 311 are distributed in a fan shape around the axis of the first bin rest 310, a first partition 312 is formed between every two adjacent first storage bins 311, the plurality of second storage bins 321 are distributed in a fan shape around the axis of the second bin rest 320, and a second partition 322 is formed between every two adjacent second storage bins 321. The second bin rest 320 is disposed below the first bin rest 310, so that the plurality of second storage bins 321 and the plurality of first partitions 312 are in one-to-one correspondence, and correspondingly, the plurality of first storage bins 311 and the plurality of second partitions 322 are in one-to-one correspondence, that is, the first storage bins 311 and the second storage bins 321 form dislocation distribution. When the blood to be taken out is located on the first bin 310 or the blood is to be stored on the first bin 310, the driving device 330 drives the rack to rotate, so that the corresponding first storage bin 311 on the first bin 310 corresponds to the access port, and the second partition 322 on the second bin 320 corresponds to the access port. Similarly, when the blood to be taken out is located on the second storage 320 or the blood is to be stored on the second storage 320, the driving device 330 drives the rack to rotate, so that the corresponding second storage 321 on the second storage 320 corresponds to the access port, and the first partition 312 on the first storage 310 corresponds to the access port. Thus, when the second door 102 is opened, only the desired corresponding storage compartment is directly opposite the access opening, and the remaining storage compartments on the first compartment 310 and the second compartment 320 are not visible, thereby avoiding exposure of the remaining storage compartments to the external environment. By adopting the arrangement form, the safety of blood in the rest storage bin can be effectively ensured.

Optionally, the first bin 310 is provided with a first through hole, and the first through hole is concentric with the first bin 310; the second bin 320 is provided with a second through hole, the second through hole is concentric with the second bin 320, and the second through hole and the first through hole jointly form a containing cavity.

By adopting the arrangement form, a containing and pushing space is provided for the pushing device, the pushing of the pushing device is facilitated, and the whole structure can be more compact, so that the volume of the blood storage device is reduced.

Optionally, the driving device 330 includes a motor assembly, a driving wheel 331, a driving driven wheel 332, a rotating shaft 333, a bearing 334, a synchronous belt 335 and a bracket 336, where the motor assembly is disposed on the casing 100; the driving wheel 331 is in driving connection with the motor assembly; the two side surfaces of the driven wheel 332 are respectively fixed on the bottom side wall of the first bin rest 310 and the top side wall of the second bin rest 320, and a third through hole is formed in the driven wheel 332 corresponding to the first through hole; the rotating shaft 333 is disposed in the third through hole; the bearing 334 is embedded between the rotating shaft 333 and the driving driven wheel 332; the first transmission end of the synchronous belt 335 is in transmission connection with the driving wheel 331, and the second transmission end is in transmission connection with the driving driven wheel 332; one end of the bracket 336 is fixed on the bottom plate of the machine case 100, the other end is fixed on the rotating shaft 333 through a second through hole, and the bracket 336 supports the storage bin to be placed, so that the bottom side wall of the second bin 320 is a preset distance away from the bottom plate of the machine case 100, and a pushing device is arranged; wherein, the motor assembly drives the driving wheel 331 to rotate, and drives the storage bin to rotate through the synchronous belt 335.

The two side surfaces of the driving driven wheel 332 are respectively fixed on the bottom side wall of the first bin rest 310 and the top side wall of the second bin rest 320, the driving wheel 331 is in driving connection with the motor assembly, and the driving wheel 331 is in driving connection with the driving driven wheel 332 through a synchronous belt 335. The driven wheel 332 is provided with a third through hole corresponding to the position of the accommodating cavity, the rotating shaft 333 is arranged in the third through hole, and a bearing 334 is embedded between the rotating shaft 333 and the driven wheel 332. The bracket 336 is positioned in the second through hole, one end of the bracket 336 is fixed to the rotating shaft 333, the other end of the bracket 336 is fixed to the bottom plate of the machine shell 100, and the bracket 336 supports the storage bin to be placed so that the bottom side wall of the second bin 320 is a preset distance away from the bottom plate of the machine shell 100, so that on one hand, the bottom side wall of the second bin 320 and the bottom plate of the machine shell 100 can not be rubbed in the rotating process of the storage bin, the rotating smoothness is improved, and meanwhile, the abrasion of the bottom side wall of the second bin 320 and the bottom plate of the machine shell 100 is avoided; on the other hand, an installation space can be provided for the pushing device, so that the pushing device is convenient to set.

The motor assembly drives the driving wheel 331 to rotate, and drives the driven wheel 332 to rotate through the synchronous belt 335, so that the first bin 310 and the second bin 320 are driven to synchronously rotate.

Optionally, the motor assembly includes a support rod 337 and a motor 338, a first end of the support rod 337 being fixed to a bottom plate of the casing 100; the motor 338 is fixed at the second end of the supporting rod 337, and the output shaft of the motor 338 is in driving connection with the central shaft of the driving wheel 331; the second end of the supporting rod 337 extends vertically to a position corresponding to the top of the first shelf 310, so that the driving wheel 331 and the driving driven wheel 332 are positioned on the same horizontal line.

The driving wheel 331 and the driving driven wheel 332 are positioned on the same horizontal line through the supporting rod 337, so that the smoothness of the storage bin during rotation and the stability during rotation are ensured.

Optionally, the rotating shaft 333 is radially configured with an annular clamping groove, the annular clamping groove is proximate to the bottom of the bearing 334, and the driving device 330 further includes a limiting snap ring, which is clamped in the annular clamping groove for limiting the bearing 334.

By arranging the limiting snap ring, the axial movement of the bearing 334 is limited, so that the normal operation of the device is ensured.

Optionally, the outer side wall of the first bin 310 is provided with a plurality of first bin outlets 313 corresponding to a plurality of first storage bins 311 respectively, the inner side wall of the first bin 310 is provided with a plurality of first openings 314 corresponding to a plurality of first bin outlets 313, the top side wall is provided with a plurality of first sliding grooves 315 corresponding to each other, and two ends of the first sliding grooves 315 are respectively communicated with the first bin outlets 313 and the first openings 314; the outer side wall of the second bin 320 corresponds to a plurality of second storage bins 321 and is provided with a plurality of second bin outlets 323 respectively, the inner side wall of the second bin 320 corresponds to a plurality of second bin outlets 323 and is provided with a plurality of second openings 324, the bottom side wall corresponds to a plurality of second sliding grooves 325, and two ends of the second sliding grooves 325 are respectively communicated with the second bin outlets 323 and the second openings 324.

In this way, the pushing device can pass through the accommodating cavity from the plurality of first storage bins 311 or the second storage bins 321 respectively, and push the blood boxes in the storage bins to the access port. By adopting the arrangement mode, the pushing device only needs to move in parallel, replaces the pushing device to be arranged outside the storage bin, and can realize the mode of pushing the blood box by rotating the pushing device in parallel movement.

Optionally, the blood box includes a plurality of first blood boxes and a plurality of second blood boxes, the plurality of first blood boxes are respectively arranged in the plurality of first storage bins 311, a first traction part is arranged on the side surface of the first blood box facing the first opening 314, and the first traction part extends out of the first opening 314; the second blood boxes are respectively arranged in the second storage bins 321, and a second traction part is arranged on the side surface of the second blood box facing the second opening 324 and extends out of the second opening 324.

The traction parts 340 are arranged on the first blood boxes and the second blood boxes, and the traction parts 340 on the corresponding blood boxes are only required to be grabbed by adopting the arrangement mode, so that the grabbing of the pushing device is facilitated, and meanwhile, the phenomenon that the blood boxes are damaged due to the extrusion in the grabbing process can be effectively avoided, and the safety of blood is affected.

Optionally, the pushing device includes a first pushing device 400 and a second pushing device 500, where the first pushing device 400 is disposed above the first bin 310, and is used to push the first blood box between the first storage bin 311 and the access port; the second pushing device 500 is disposed below the second bin 320, and is configured to push the second blood box between the second storage bin 321 and the access port.

Through setting up two pusher, first pusher 400 sets up in the top that first storehouse was put 310, and second pusher 500 sets up in the below that second storehouse was put 320, like this, can push respectively first blood box on first storehouse was put 310 and second blood box on second storehouse was put 320 to guarantee the security of other blood.

Optionally, the first pushing device 400 and the second pushing device 500 each include a conveying portion and a grabbing portion, where a first end of the conveying portion is disposed on the casing 100 corresponding to a rotation center of the storage bin, and a second end of the conveying portion is disposed on the access port; one end of the grabbing part is arranged on the conveying part and can move along with the conveying part, and the other end of the grabbing part extends into the accommodating cavity; when the first storage bin 311 rotates to a position corresponding to the access port, the transmission portion of the first pushing device 400 corresponds to the first chute 315, so that the grabbing portion of the first pushing device 400 grabs the first traction portion and then moves the first blood cassette to the access port along with the transmission portion of the first pushing device 400; when the second storage bin 321 rotates to correspond to the access port, the conveying portion of the second pushing device 500 corresponds to the second chute 325, so that the grabbing portion of the second pushing device 500 grabs the second traction portion and then moves the second blood cassette to the access port along with the conveying portion of the second pushing device 500.

The initial position of the grabbing part is set to be the position corresponding to the rotation center of the storage bin, when the blood box needs to be pushed to the access port, the grabbing part moves along with the conveying part, after grabbing the traction part 340 on the blood box, the grabbing part continues to move along with the conveying part, passes through the storage bin through the opening and passes through the bin port along the chute, conveys the blood box to the access port, then moves reversely, pushes the blood box into the storage bin and returns to the initial position. Therefore, the grabbing part only needs to horizontally reciprocate, the structure is simple, and the failure rate of the pushing device can be effectively reduced.

Optionally, the conveying part includes a driving motor 411, a conveying driving wheel 412, a conveying driven wheel 413 and a conveying belt 414, and the driving motor 411 is fixed to the casing 100 corresponding to the rotation center of the storage bin; the central shaft of the transmission driving wheel 412 is in driving connection with the output shaft of the driving motor 411; the transmission driven wheel 413 is rotatably connected to the casing 100 corresponding to the access port; the first driving end of the conveying belt 414 is in driving connection with the conveying driving wheel 412, and the second driving end is in driving connection with the conveying driven wheel 413; the grabbing part is arranged on the conveying belt 414, the driving motor 411 drives the conveying driving wheel 412 to rotate, the conveying belt 414 is driven to rotate, and the grabbing part moves between the storage bin and the access opening along with the conveying belt 414.

The driving motor 411 is in driving connection with the conveying driving wheel 412, the driving motor 411 drives the conveying driving wheel 412 to rotate, and the conveying belt 414 drives the conveying driven wheel 413 to rotate, so that the grabbing part is driven to move between the storage bin and the access port.

Optionally, the gripping portion includes a moving arm 421, a clamping member, and an electromagnetic gripping assembly, where a first end of the moving arm 421 is connected to a side of the conveyor belt 414 facing the storage bin; the clamping piece is arranged at the second end of the movable arm 421 and comprises a first clamping block 422 and a second clamping block 423, and the second clamping block 423 is a preset distance away from the first clamping block 422 to form a clamping space; the electromagnet 424 grabbing component is arranged on the clamping piece and used for grabbing the blood box in the clamping space; the second end of the moving arm 421 extends into the accommodating cavity of the storage bin, so that the clamping member corresponds to the traction portion 340, and the blood box is grabbed by the electromagnetic grabbing component.

The electromagnetic grabbing component can correspond to the traction part 340 on the blood box through the moving arm 421, and when the moving arm 421 moves to enable the traction part 340 to enter the clamping space, the electromagnetic grabbing component grabs the traction part 340 located in the clamping space to grab the blood box. By adopting the grabbing mode, the grabbed blood box is not easy to fall off, and meanwhile, the blood box can be prevented from being extruded and damaged, and then the safety of blood can be guaranteed.

Optionally, the traction portion 340 is provided with a gripping hole 341; the first clamping block 422 is provided with a fourth through hole, the second clamping block 423 is provided with a fifth through hole corresponding to the fourth through hole, the electromagnet 424 grabbing component comprises an electromagnet 424, an armature member 425, a clamping shaft 426 and a spring 427, and the first side surface of the electromagnet 424 is arranged on the outer side surface of the first clamping block 422; the armature member 425 is disposed on a second side of the electromagnet 424; the first end of the clamping shaft 426 is fixed on the armature member 425, and the second end of the clamping shaft can penetrate through the clamping space through the fourth through hole and the fifth through hole; the spring 427 is sleeved on the clamping shaft 426 section between the armature member 425 and the first clamping block 422; when the storage bin rotates to a position corresponding to the access port, the moving arm 421 moves along with the conveyor belt 414 until the traction part 340 extends into the clamping space of the clamping member, the grabbing hole 341 corresponds to the fourth through hole, the electromagnet 424 is electrified, the armature member 425 moves towards the electromagnet 424 and compresses the spring 427, and after the clamping shaft 426 sequentially passes through the fourth through hole, the grabbing hole 341 and the fifth through hole, the moving arm 421 continues to move along with the conveyor belt 414 to move the grabbed blood box to the access port; when the moving arm 421 moves to move the blood cassette to the storage bin following the movement of the conveyor belt 414, the electromagnet 424 releases the armature member 425 when the electromagnet is de-energized, and the spring 427 returns to the natural state from the compressed state, so that the card shaft 426 is withdrawn from the card holding space, and the moving arm 421 continues to move to the initial position following the conveyor belt 414.

By adopting the arrangement mode, on one hand, the grabbing precision and stability can be improved, on the other hand, the structure is simple, the size of the grabbing part can be effectively reduced while the failure rate is reduced, and the size of the whole structure is reduced.

Alternatively, the spring 427 may have one end fixed to the armature 425 and the other end fixed to the first latch 422.

In this way, the spring 427 is prevented from being restored to the natural state from the compressed state after the electromagnet 424 is powered off, so that the armature member 425 is prevented from being sprung away by the elastic force provided by the spring 427, and the clamping shaft 426 is further driven to be separated from the first clamping block 422, so that the spring 427 and the clamping shaft 426 are prevented from falling off, and the normal operation of the next pushing is influenced.

Optionally, two buckles are oppositely arranged on the inner side wall of the fourth through hole, and two sliding grooves are respectively configured at the positions of the clamping shaft 426 corresponding to the two buckles; wherein, the buckle can slide along the spout.

After the electromagnet 424 is powered off, the spring 427 enables the clamping shaft 426 to exit from the clamping space, and the clamping shaft 426 is still connected with the first clamping block 422 through the clamping connection of the clamping buckle to the sliding groove.

Optionally, the length of the sliding groove is smaller than the length of the clamping shaft 426, so that after the clamping shaft 426 withdraws from the clamping space, the second end of the clamping shaft 426 is located inside the fourth through hole.

Thus, the clamping shaft 426 is prevented from being clamped in the grabbing hole 341 of the traction part 340 and cannot return to the initial position, and normal operation of the pushing device is prevented from being influenced.

Optionally, the enclosure part includes a baffle 210, a first conveying channel 220 and a second conveying channel 230, the baffle 210 is attached to an inner side wall of the first door body 101, a first conveying port 211 and a second conveying port 212 are formed on the baffle 210 corresponding to the access port, the height of the first conveying port 211 is from the top end of the access port to a first position of the access port, and the height of the second conveying port 212 is from the bottom end of the access port to a second position of the access port; one end of the first conveying channel 220 is arranged around the first conveying port 211 along the edge part of the first conveying port 211, and the other end extends to the first bin 310; one end of the second conveying channel 230 is arranged around the second conveying port 212 along the edge part of the second conveying port 212, and the other end extends to the second bin 320; wherein the first pushing device 400 pushes the first blood cassette through the first conveying channel 220, and the second pushing device 500 pushes the second blood cassette through the second conveying channel 230; the first position corresponds to the bottom sidewall of the first cartridge rest 310 and the second position corresponds to the top sidewall of the second cartridge rest 320.

By providing the baffle 210 and the first conveying passage 220 and the second conveying passage 230 corresponding to the first bin 310 and the second bin 320, respectively, enclosure is performed. When the blood to be taken out is located on the first bin 310 or the blood is to be stored on the first bin 310, the driving device 330 drives the rack to rotate, so that the corresponding first storage bin 311 on the first bin 310 corresponds to the first conveying channel 220, and the second separation part 322 on the second bin 320 corresponds to the second conveying channel 230, so that the second conveying channel 230 is shielded to a certain extent, and the leakage of cold energy through the second conveying channel 230 is reduced. Similarly, when the blood to be taken out is located on the second bin 320, or the blood needs to be stored on the second bin 320, the driving device 330 drives the rack to rotate, so that the corresponding second storage bin 321 on the second bin 320 corresponds to the second conveying channel 230, and at this time, the first partition 312 on the first bin 310 corresponds to the first conveying channel 220, thereby shielding the first conveying channel 220 to a certain extent, and reducing the leakage of cold energy through the first conveying channel 220.

By adopting the arrangement form, on one hand, the safety of other blood can be further ensured when the blood box is pushed; on the other hand, the leakage of cold is further reduced, thereby effectively reducing the energy consumption.

Optionally, the first conveying port 211 includes a first pushing end 213 and a first conveying end 214, the first pushing end 213 is located above the first conveying end 214 and is communicated with the first conveying end 214, the first pushing end 213 is adapted to the conveying part, and the first conveying end 214 is adapted to the blood box; the second conveying port 212 comprises a second pushing end 215 and a second conveying end 216, the second pushing end 215 is located below the second conveying end 216 and is communicated with the second conveying end 216, the second pushing end 215 is matched with the conveying part, and the second conveying end 216 is matched with the blood box; the second end of the conveying portion of the first pushing device 400 is disposed at the first pushing end 213 through the first conveying channel 220, and the second end of the conveying portion of the second pushing device 500 is disposed at the second pushing end 215 through the second conveying channel 230.

The shape and the size of the conveying port are set according to the size of the space occupied by the conveying part and the size of the blood box, and then the conveying port is accurately enclosed by the enclosing part, so that the sealing performance of the enclosing part can be improved, the leakage of cold is further reduced, and the safety of other blood is ensured when the blood box is pushed.

The pushing end is communicated with the conveying end, so that the moving arm 421 can push the blood box to extend out of the access opening through the first conveying opening 211, and the blood box can be conveniently taken and put in by a user.

Optionally, a blocking edge is configured inward at an edge portion of the casing 100 corresponding to the access opening, and the blocking edge is used for clamping the second door 102 when the second door 102 is in the closed state.

Thus, when the second door 102 is in the closed state, the second door 102 is engaged with the stopper edge, so that the front panel of the casing 100 is flat, and the aesthetic property of the blood storage device is improved.

Optionally, the blood storage device further includes a bellows assembly 600 disposed in the accommodating space for driving the circulation of air in the accommodating space.

Through the circulation of air in the bellows subassembly 600 drive accommodation space, like this, improved the homogeneity of temperature in the accommodation space to can keep better in the blood that the storage storehouse was put, guarantee the security of whole blood.

Optionally, the bellows assembly 600 includes a bellows housing and a fan, the bellows housing is disposed on a top plate of the casing 100, and the bellows housing is provided with an air inlet, an air outlet, and an air duct communicating the air inlet and the air outlet; the fan is arranged in the air duct and used for driving air to flow from the air inlet to the air outlet; when the pushing device comprises a conveying part, the first end of the conveying part is arranged on the bellows shell.

Because the cold air contains a certain amount of water molecules, the cold air can sink to the lower half part of the accommodating space under the action of gravity. Based on this, the bellows assembly 600 is disposed on the top plate of the housing 100, and the cooling air in the lower half of the accommodating space is driven by the fan to enter the air duct from the air inlet and flow out from the air outlet, and then the cooling air sinks into the lower half of the accommodating space to be reciprocally circulated. By adopting the arrangement form, the uniformity of the temperature in the whole accommodating space is improved.

Optionally, the blood storage device further includes a console 110 disposed outside the casing 100, where the console 110 includes an information acquisition unit and a control unit, and the control unit controls the operation of the storage compartment placing and pushing device according to the information acquired by the information acquisition unit.

The information acquisition unit acquires the instruction of the operator and transmits the instruction to the control unit, and the control unit controls the storage bin to be placed and the pushing device to operate according to the corresponding instruction, so that automatic access of blood is realized, and the access speed and accuracy of the blood are improved.

Optionally, a radio frequency identification (Radio Frequency Identification, abbreviated as RFID) tag is disposed on the blood bag, the console 110 is provided with a signature area 111 and a sign pen 112, the information acquisition unit includes a liquid crystal display screen 113, a video screen 114, an audio module 115, an ID card reader, a first camera 117 and a second camera 118, and the signature area 111 is used for identifying tag information on the blood bag; the sign pen 112 is used for operator sign confirmation; the liquid crystal display 113 is used for touch screen operation of an operator; the video screen 114 is used for communicating with the operator during blood collection with the transfusion department personnel; the audio module 115 is used for prompting the operation of an operator in real time; the ID card reader is used for reading information of an ID card of an operator; the first camera 117 is used for acquiring a blood bag image; the second camera 118 is used to acquire an operator image.

Specifically, when blood needs to be stored, an operator selects to put in storage on the liquid crystal display screen 113, and places an ID card on an ID card reader, and the ID card reader reads operator information; placing the blood bag in a signature area 111, acquiring a blood bag image by a first camera 117, and identifying and archiving information of an RFID tag in the blood bag image by the signature area 111; the control unit controls the storage bin to rotate, rotates the storage bin where the empty blood box is positioned to correspond to the access port, and then controls the pushing device to push the empty blood box to the access port and extend out of the second door body 102; the blood bag is placed into the control blood box by the operator, the control unit is used for controlling the pushing device to push the blood box back to the storage bin, and the blood storage is completed.

When blood is required to be taken out, an operator selects a warehouse out on the liquid crystal display screen 113, and places an ID card on an ID card reader, and the ID card reader reads information of the operator; clicking to take blood through the liquid crystal display screen 113; acquiring an image of the operator through the second camera 118, and simultaneously transmitting audio in real time by the audio module 115 to prompt the operator to operate; the blood transfusion department confirms information and can be in video communication with an operator, after the blood transfusion department clicks to send blood, the control unit controls the storage bin to put in rotation, the corresponding storage bin is rotated to correspond to the access port (the first stored blood is preferentially taken out), and then the pushing device is controlled to push the blood box in the corresponding storage bin to the access port and extend out of the second door body 102; the operator takes the blood bag and places the blood bag in a signature area 111, a first camera 117 acquires a blood bag image, the signature area 111 identifies and archives information of an RFID tag in the blood bag image, and after the information is matched, the operator signs and confirms on a liquid crystal display screen 113 through a sign pen 112; the control unit controls the pushing device to push the blood box back to the storage bin, and blood is taken out.

Thus, the automatic storage and the automatic distribution of blood are realized, the phenomenon that the blood for the patient is taken by mistake in a busy state is avoided, the blood utilization rate is improved, the risk of busy operation is reduced, the blood dispatching workload of a blood transfusion department is reduced, and the time for the blood for the patient is saved.

The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may include structural and other modifications. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A blood storage device, comprising:

a shell, the interior of which is provided with a containing space and an access port;

the storage bins are rotatably arranged in the accommodating space, a plurality of storage bins are arranged along the rotation direction, and each storage bin can be used for accommodating one blood box; each storage bin can rotate to a position corresponding to the access port along with the storage bin;

The pushing device is arranged in the accommodating space and used for pushing the blood box between the storage bin and the access port;

wherein, the storage bin is put and is included:

the rack body is of a vertical cylinder structure, a plurality of layers of bin rest are arranged on the rack body along the axial direction, a plurality of storage bins are arranged on each layer of bin rest, and the storage bins on every two adjacent layers of bin rest are arranged in a staggered manner;

the driving device is arranged between every two adjacent layers of bin holders and is used for driving the frame body to rotate, so that the storage bin of each layer of bin holders corresponds to the access port respectively, and the blood box in the corresponding storage bin is pushed to the access port through the pushing device;

wherein, the support body includes:

the first bin is in a vertical cylinder structure, a plurality of first storage bins are arranged along the radial direction of the first bin, the plurality of first storage bins are distributed in a fan shape around the axis, and a first separation part is formed between every two adjacent first storage bins;

the second bin is arranged below the first bin, is coaxial with the first bin, is provided with a plurality of second storage bins along the radial direction, is distributed in a fan shape around the axis, forms a second separation part between every two adjacent second storage bins, and corresponds to the first separation parts one by one so that the first storage bins and the second storage bins form dislocation distribution;

When the first storage bin rotates to correspond to the access port, the second partition part corresponds to the access port; when the second storage bin rotates to correspond to the access port, the first separation part corresponds to the access port.

2. The blood storage device of claim 1, wherein the blood storage device is configured to store the blood,

the first bin is provided with a first through hole, and the first through hole is concentric with the first bin;

the second bin is provided with a second through hole, the second through hole is concentric with the second bin, and the second through hole and the first through hole form a containing cavity together.

3. The blood storage device of claim 2, wherein the drive means comprises:

the motor component is arranged on the shell;

the driving wheel is connected with the motor assembly in a driving way;

the two side surfaces of the driving driven wheel are respectively fixed on the bottom side wall of the first bin and the top side wall of the second bin, and a third through hole is formed in the driving driven wheel corresponding to the first through hole;

the rotating shaft is arranged in the third through hole;

the bearing is embedded between the rotating shaft and the driving driven wheel;

The first transmission end of the synchronous belt is in transmission connection with the driving wheel, and the second transmission end of the synchronous belt is in transmission connection with the driving driven wheel;

the bracket is fixed at one end of the bottom plate of the shell, the other end of the bracket is fixed on the rotating shaft through the second through hole, and the bracket supports the storage bin to be placed, so that the bottom side wall of the second bin is placed at a preset distance from the bottom plate of the shell, and the push device is arranged;

the motor assembly drives the driving wheel to rotate, and the synchronous belt drives the storage bin to rotate.

4. A blood storage device according to claim 3 wherein the motor assembly comprises:

a support rod, the first end of which is fixed on the bottom plate of the shell;

the motor is fixed at the second end of the supporting rod, and an output shaft of the motor is in driving connection with a central shaft of the driving wheel;

the second end of the supporting rod vertically extends to a position corresponding to the first bin top, so that the driving wheel and the driving driven wheel are located on the same horizontal line.

5. The blood storage device of claim 3 wherein the blood storage device,

the rotating shaft is radially provided with an annular clamping groove, the annular clamping groove is close to the bottom of the bearing, and the driving device further comprises:

And the limiting clamping ring is clamped in the annular clamping groove and used for limiting the bearing.

6. The blood storage device of claim 2, wherein the blood storage device is configured to store the blood,

the outer side wall of the first bin is provided with a plurality of first bin outlets corresponding to the plurality of first storage bins, the inner side wall of the first bin is provided with a plurality of first openings corresponding to the plurality of first bin outlets, the top side wall is provided with a plurality of first sliding grooves corresponding to the plurality of first sliding grooves, and two ends of each first sliding groove are respectively communicated with the first bin outlets and the first openings;

the outer side wall of the second bin is provided with a plurality of second bin outlets corresponding to the second storage bins, the inner side wall of the second bin is provided with a plurality of second openings corresponding to the second bin outlets, the bottom side wall is provided with a plurality of second sliding grooves corresponding to the bottom side wall, and two ends of the second sliding grooves are respectively communicated with the second bin outlets and the second openings.

7. The blood storage device of claim 6, wherein the blood cassette comprises

The first blood boxes are respectively arranged in the first storage bins, a first traction part is arranged on the side surface of the first blood box facing the first opening, and the first traction part extends out of the first opening;

The plurality of second blood boxes are respectively arranged in the plurality of second storage bins, a second traction part is arranged on the side surface of the second blood box, which faces the second opening, and the second traction part extends out of the second opening.

8. The blood storage device of claim 7, wherein the pushing means comprises:

the first pushing device is arranged above the first bin and is used for pushing the first blood box between the first storage bin and the access port;

the second pushing device is arranged below the second bin and is used for pushing the second blood box between the second storage bin and the access port.

9. The blood storage device of claim 8, wherein the first pushing device and the second pushing device each comprise:

the first end of the conveying part is arranged on the shell corresponding to the rotation center of the storage bin, and the second end of the conveying part is arranged on the access port;

one end of the grabbing part is arranged on the conveying part and can move along with the conveying part, and the other end of the grabbing part extends into the accommodating cavity;

when the first storage bin rotates to correspond to the access port, the conveying part of the first pushing device corresponds to the first sliding groove, so that the grabbing part of the first pushing device grabs the first traction part and then moves the first blood box to the access port along with the conveying part of the first pushing device; when the second storage bin rotates to correspond to the access port, the conveying part of the second pushing device corresponds to the second sliding groove, so that the grabbing part of the second pushing device grabs the second traction part and then moves the second blood box to the access port along with the transmission part of the second pushing device.