High-capacity blood sampling frame convenient for distinguishing blood sampling tubes

Abstract

The utility model provides a high-capacity blood sampling frame convenient for distinguishing blood sampling tubes, which comprises a support frame, and the support frame comprises a bottom plate and side plates connected to two ends of the bottom plate; the two ends of the placing supporting plate are fixedly connected with the side plates, a plurality of rows of placing groove sets are formed in the top face of the placing supporting plate in the length direction of the placing supporting plate, and each row of placing groove set comprises a plurality of unit placing groove bodies arranged at intervals in the width direction of the placing supporting plate; the expanding supporting plates are located below the containing supporting plate, the multiple expanding supporting plates are arranged in the height direction of the side plates at equal intervals, multiple columns of expanding groove sets are formed in the top faces of the expanding supporting plates in the length direction of the expanding supporting plates, and each column of expanding groove set comprises multiple unit expanding groove bodies arranged in the width direction of the expanding supporting plates at intervals; the expansion supporting plate is arranged in a sliding mode in the width direction of the expansion supporting plate. The multi-tube blood collection tube has the advantages that a nurse can conveniently distinguish multiple blood collection tubes of different patients, the working efficiency is improved, and meanwhile, the nursing operation safety can be guaranteed.

Description

Technical Field

[0001] This utility model relates to the technical field of medical devices, and in particular to a large-capacity blood collection stand that facilitates the differentiation of blood collection tubes. Background Technology

[0002] One of the most common nursing procedures in clinical practice is intravenous blood collection. By collecting blood samples, we can test whether the patient's various physical indicators are normal, providing a reliable basis for the diagnosis and treatment of the disease.

[0003] In ward nursing care, when patients with multiple underlying diseases undergo blood tests, a large number of blood samples are usually collected, resulting in multiple blood collection tubes per patient. Ordinary blood collection tube racks often cannot accommodate all the tubes in one row, and moving to an adjacent second row makes it difficult to effectively distinguish between different patients' tubes, potentially leading to missed or excessive collections.

[0004] Therefore, a large-capacity blood collection stand is needed to facilitate the differentiation of blood collection tubes, enabling nurses to distinguish between multiple blood collection tubes for different patients, thereby improving work efficiency while ensuring the safety of nursing procedures. Utility Model Content

[0005] One objective of this invention is to provide a large-capacity blood collection stand that facilitates the differentiation of blood collection tubes, enabling nurses to distinguish between multiple blood collection tubes for different patients, thereby improving work efficiency while ensuring the safety of nursing procedures.

[0006] This application provides a large-capacity blood collection frame that facilitates the differentiation of blood collection tubes, employing the following technical solution:

[0007] This utility model embodiment of a large-capacity blood collection frame for easy differentiation of blood collection tubes includes:

[0008] A support frame, the support frame including a base plate and side plates connected to both ends of the base plate;

[0009] A placement tray is provided, with both ends of the placement tray fixedly connected to the side plate. Multiple rows of placement slots are formed on the top surface of the placement tray along the length direction of the placement tray. Each row of placement slots includes multiple unit placement slots spaced apart along the width direction of the placement tray.

[0010] An extension tray is located below the placement tray. Multiple extension trays are equidistantly arranged along the height direction of the side plate. Multiple rows of extension slots are formed on the top surface of the extension tray along the length direction of the extension tray. Each row of extension slots includes multiple unit extension slots spaced apart along the width direction of the extension tray. Each row of extension slots corresponds one-to-one with each row of placement slots. The extension tray is slidably arranged along the width direction of the extension tray.

[0011] Preferably, the two ends of the extended tray are connected to limit rods in the length direction, and the side plates are provided with a limit groove for the limit rods to slide on the side that is close to each other. The limit groove passes through one side of the side plate in the width direction, and the two adjacent extended trays slide in opposite directions.

[0012] Preferably, an auxiliary block is fixedly connected to the side of the limiting rod away from the extension plate, and an auxiliary groove is provided on the inner wall of the limiting groove for the auxiliary block to slide, with both ends of the auxiliary groove extending in the length direction to the ends close to the limiting groove.

[0013] Preferably, the limiting rod has a T-shaped cross-section, and the limiting groove has a cross-section that matches the limiting rod.

[0014] Preferably, the base plate includes a first plate and a second plate, the first plate and the second plate are slidably connected, the outer peripheral surface of the second plate is flush with the outer peripheral surface of the first plate, a sliding plate is fixedly connected to the side of the second plate near the first plate, the size of the end face of the sliding plate is smaller than the size of the end face of the second plate, and a groove for the sliding plate to slide is provided on the side of the first plate near the second plate.

[0015] The placement tray includes a third plate and a fourth plate, which are slidably connected.

[0016] The extension tray includes a fifth plate and a sixth plate, which are slidably connected.

[0017] Preferably, the size of the end face of the fourth plate is smaller than the size of the end face of the third plate, and the third plate has a first receiving groove on the side near the fourth plate for the fourth plate to slide.

[0018] The size of the end face of the sixth plate is smaller than that of the end face of the fifth plate, and the fifth plate has a second receiving groove on the side near the sixth plate for the sixth plate to slide.

[0019] Preferably, the bottom surface of the fourth plate is provided with a first mating plate, and the side of the third plate near the fourth plate is provided with a first mating groove for the first mating plate to slide. The cross-sections of the first mating plate and the first mating groove are both dovetail-shaped.

[0020] The bottom surface of the sixth plate is provided with a second mating plate, and the side of the fifth plate near the sixth plate is provided with a second mating groove for the second mating plate to slide. The cross-sections of the second mating plate and the second mating groove are both dovetail-shaped.

[0021] Preferably, positioning protrusions are provided on both sides of the slide plate in the width direction, and positioning holes are provided on the inner walls of both sides of the slide groove in the width direction for the positioning protrusions to pass through. The positioning protrusions pass through or leave the positioning holes. Multiple positioning holes are provided at intervals along the length direction of the base plate, and the distance between two adjacent positioning holes is adapted to the distance between two adjacent rows of placement slots.

[0022] Preferably, a storage bag is provided on the side of the side panels that are far apart from each other, and an erasable marker is placed inside the storage bag.

[0023] Preferably, a first label plate is provided on the side wall of the third plate in the width direction, and the first label plate corresponds one-to-one with each of the placement slot groups. A second label plate is provided on the side wall of the fourth plate in the width direction, and the second label plate also corresponds one-to-one with each of the placement slot groups. The second label plate is located below the first label plate.

[0024] A third label plate is provided on one side wall of the fifth plate in the width direction. The third label plate corresponds one-to-one with each column of the expansion slot group. A fourth label plate is provided on one side wall of the sixth plate in the width direction. The fourth label plate also corresponds one-to-one with each column of the expansion slot group. The fourth label plate is located below the third label plate.

[0025] The first label plate, the second label plate, the third label plate, and the fourth label plate are all used to record bed numbers.

[0026] In summary, this application includes at least one of the following beneficial technical effects:

[0027] According to the embodiments of the present invention, the large-capacity blood collection frame facilitates the differentiation of blood collection tubes. By adopting the above technical solution, when the unit placement slots of each row of placement slots are insufficient, the expansion tray can be pulled out along the width direction of the support frame as needed. Nurses can place the blood collection tubes of the same patient in the same row of unit placement slots and unit expansion slots, and place the blood collection tubes of different patients in different rows of unit placement slots and unit expansion slots. This makes it easier for nurses to differentiate the multiple blood collection tubes of different patients, improves work efficiency, and ensures the safety of nursing operations.

[0028] The base plate, placement tray, and extension tray can be extended or retracted along the length of the support frame to expand the number of rows of placement slots to accommodate a larger number of patients.

[0029] Other features and advantages of the present invention will become clear from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. Attached Figure Description

[0030] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the present invention and, together with their description, serve to explain the principles of the present invention.

[0031] Figure 1 This is a schematic diagram of the overall structure of a large-capacity blood collection rack that facilitates the differentiation of blood collection tubes, as described in this application embodiment.

[0032] Figure 2 This is a schematic diagram illustrating the structure of two extended trays pulled out in opposite directions in this application embodiment.

[0033] Figure 3 This is a schematic diagram of the structure of the extended tray after the third and fourth label panels are hidden in this embodiment of the application.

[0034] Figure 4 This is a cross-sectional structural diagram of the limiting groove and the auxiliary groove used in the embodiments of this application.

[0035] Figure 5 This is a schematic diagram illustrating the structure of the base plate, extension plate, and placement plate after stretching in this embodiment of the application.

[0036] Figure 6 This is a cross-sectional structural diagram of the skateboard and dovetail rod used in the embodiments of this application.

[0037] Figure label:

[0038] 1. Support frame; 11. Base plate; 111. First plate; 1111. Slide groove; 1112. Dovetail groove; 112. Second plate; 1121. Slide plate; 1122. Dovetail rod; 12. Side plate; 121. Limiting groove; 1211. Auxiliary groove; 2. Placing tray; 21. Placing groove group; 211. Unit placing groove; 22. Third plate; 221. First receiving groove; 222. First mating groove; 23. Fourth plate; 231. First mating plate; 3. Extension tray; 31. Extension slot group; 311. Unit extension slot body; 32. Fifth plate body; 321. Second receiving slot; 322. Second mating slot; 33. Sixth plate body; 331. Second mating plate; 4. Limiting rod; 41. Auxiliary block; 5. Positioning protrusion; 51. Positioning hole; 6. Storage bag; 7. First label plate; 71. Second label plate; 8. Third label plate; 81. Fourth label plate. Detailed Implementation

[0039] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the present invention.

[0040] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the invention or its application or use.

[0041] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and equipment should be considered part of the specification.

[0042] In all the examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.

[0043] It should be noted that similar labels and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be discussed further in subsequent figures.

[0044] In the specification and claims of this utility model, the terms "first" and "second" may explicitly or implicitly include one or more of those features. In the description of this utility model, unless otherwise stated, "multiple" means two or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0045] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and other terms indicating orientation or positional relationships are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0046] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0047] The following describes in detail, with reference to the accompanying drawings, a large-capacity blood collection frame according to an embodiment of the present invention, which facilitates the differentiation of blood collection tubes.

[0048] Reference Figure 1-6 The large-capacity blood collection frame, which facilitates the differentiation of blood collection tubes, includes a support frame 1, which includes a base plate 11 and side plates 12 connected to both ends of the base plate 11.

[0049] A placement tray 2 is fixedly connected between the two side plates 12. Multiple rows of placement slots 21 are opened on the top surface of the placement tray 2 along the length direction of the placement tray 2. Each row of placement slots 21 includes multiple unit placement slots 211 spaced apart along the width direction of the placement tray 2.

[0050] An extension tray 3 is provided below the placement tray 2. Multiple extension trays 3 are equidistantly arranged along the height direction of the side plate 12; in this embodiment, two are provided. Multiple rows of extension slots 31 are formed on the top surface of the extension tray 3 along its length. Each row of extension slots 31 includes multiple unit extension slots 311 spaced apart along the width direction of the extension tray 3. Each row of extension slots 31 corresponds one-to-one with each row of placement slots 21. The extension tray 3 is slidably arranged along its width direction, and its two ends are slidably connected to the side plate 12. Extension slots 31 and placement slots 21 in the same row use the same color, while extension slots 31 and placement slots 21 in different rows use different colors for distinction.

[0051] Limiting rods 4 are connected to both ends of the extension plate 3 along its length. Limiting grooves 121 for sliding of the limiting rods 4 are provided on the side plates 12 that are close to each other, which improves the stability of the sliding of the auxiliary side plates 12. The limiting grooves 121 penetrate one side of the side plate 12 in the width direction. Adjacent extension plates 3 slide in opposite directions, that is, the limiting grooves 121 corresponding to two adjacent extension plates 3 penetrate the opposite sides of the side plate 12 in the width direction.

[0052] An auxiliary block 41 is fixedly connected to the side of the limiting rod 4 away from the extension plate 3. An auxiliary groove 1211 is provided on the inner wall of the limiting groove 121 for the auxiliary block 41 to slide. The two ends of the auxiliary groove 1211 extend to the two ends close to the limiting groove 121 in the length direction. That is, the auxiliary groove 1211 does not penetrate the side plate 12, so as to prevent the extension plate 3 from detaching from the side plate 12.

[0053] The limit rod 4 has a T-shaped cross section, and the cross section of the limit groove 121 is adapted to the limit rod 4, further improving the stability of the sliding of the auxiliary side plate 12.

[0054] When the unit placement slots 211 in each column of placement slots 21 are insufficient, the extension tray 3 can be pulled out along the width of the support frame 1 as needed. Nurses can place the blood collection tubes of the same patient in the same column of unit placement slots 211 and unit extension slots 311, and place the blood collection tubes of different patients in different columns of unit placement slots 211 and unit extension slots 311. This makes it easier for nurses to distinguish the multiple blood collection tubes of different patients, improves work efficiency, and ensures the safety of nursing operations.

[0055] The base plate 11 includes a first plate 111 and a second plate 112, which are slidably connected. The outer peripheral surface of the second plate 112 is flush with the outer peripheral surface of the first plate 111, improving the stability of the support frame 1 when placed. A sliding plate 1121 is fixedly connected to the side of the second plate 112 near the first plate 111. The size of the end face of the sliding plate 1121 is smaller than the size of the end face of the second plate 112. A groove 1111 for sliding the sliding plate 1121 is formed on the side of the first plate 111 near the second plate 112. Dovetail rods 1122 are provided on both sides of the sliding plate 1121 in the thickness direction. A dovetail groove 1112 for sliding the dovetail rods 1122 is formed on the side of the first plate 111 near the second plate 112. The dovetail groove 1112 communicates with the groove 1111, improving the stability of sliding the sliding plate 1121.

[0056] Positioning protrusions 5 are provided on both sides of the slide plate 1121 in the width direction. Positioning holes 51 are provided on the inner walls of both sides of the slide groove 1111 in the width direction for the positioning protrusions 5 to pass through. The positioning protrusions 5 can pass through or disengage from the positioning holes 51. Multiple positioning holes 51 are provided at intervals along the length direction of the base plate 11. The distance between two adjacent positioning holes 51 is adapted to the distance between two adjacent rows of placement slots 21. When the base plate 11 is extended or retracted, the positioning protrusions 5 pass through the corresponding positioning holes 51, which facilitates the automatic positioning of the extended and retracted placement tray 2 and extension tray 3.

[0057] The placement tray 2 includes a third plate 22 and a fourth plate 23, which are slidably connected. The dimension of the end face of the fourth plate 23 is smaller than that of the end face of the third plate 22. A first receiving groove 221 for sliding of the fourth plate 23 is formed on the side of the third plate 22 near the fourth plate 23. A first mating plate 231 is provided on the bottom surface of the fourth plate 23. A first mating groove 222 for sliding of the first mating plate 231 is formed on the side of the third plate 22 near the fourth plate 23. The first mating groove 222 and the first receiving groove 221 are connected. The cross-sections of the first mating plate 231 and the first mating groove 222 are both dovetail-shaped to improve the stability of the placement tray 2 during expansion and contraction.

[0058] The extension tray 3 includes a fifth plate 32 and a sixth plate 33, which are slidably connected. The end face of the sixth plate 33 is smaller than that of the fifth plate 32. A second receiving groove 321 for sliding the sixth plate 33 is provided on the side of the fifth plate 32 near the sixth plate 33. A second mating plate 331 is provided on the bottom surface of the sixth plate 33. A second mating groove 322 for sliding the second mating plate 331 is provided on the side of the fifth plate 32 near the sixth plate 33. The second mating groove 322 and the second receiving groove 321 are connected. The cross-sections of the second mating plate 331 and the second mating groove 322 are both dovetail-shaped, which improves the stability of the extension tray 3 during extension and retraction.

[0059] The base plate 11, the placement tray 2, and the extension tray 3 can be extended and retracted along the length of the support frame 1 to expand the number of rows of the placement slot group 21 to accommodate a larger number of patients.

[0060] A storage bag 6 is provided on the side of the side panel 12 that is far apart from each other, and an erasable marker is placed inside the storage bag 6.

[0061] A first label plate 7 is provided on one side wall of the third plate 22 in the width direction. The first label plate 7 corresponds to each column of placement slots 21. A second label plate 71 is provided on one side wall of the fourth plate 23 in the width direction. The second label plate 71 also corresponds to each column of placement slots 21. The second label plate 71 is located below the first label plate 7.

[0062] To prevent the blood collection tubes below from obstructing the first label plate 7 and the second label plate 71 on the tray 2, a third label plate 8 is provided on the side wall of the fifth plate 32 in the width direction. The third label plate 8 corresponds to each row of expansion slots 31. A fourth label plate 81 is provided on the side wall of the sixth plate 33 in the width direction. The fourth label plate 81 also corresponds to each row of expansion slots 31. The fourth label plate 81 is located below the third label plate 8.

[0063] The third label plate 8 and the fourth label plate 81 on the extension tray 3 are set on one side of the corresponding limiting groove 121 that passes through the side plate 12.

[0064] The first label plate 7, the second label plate 71, the third label plate 8, and the fourth label plate 81 are all used to record the bed number, which further facilitates nurses in distinguishing the multi-tube blood collection tubes of different patients.

[0065] The implementation principle of a large-capacity blood collection frame that facilitates the differentiation of blood collection tubes according to an embodiment of this application is as follows:

[0066] When the unit placement slots 211 in each column of placement slots 21 are insufficient, the extension tray 3 is pulled out along the width direction of the support frame 1 as needed. The nurse places the blood collection tubes of the same patient in the unit placement slots 211 and unit extension slots 311 in the same column, and the blood collection tubes of different patients in the unit placement slots 211 and unit extension slots 311 in different columns.

[0067] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A large-capacity blood collection frame that facilitates the differentiation of blood collection tubes, characterized in that, include: A support frame (1) includes a base plate (11) and side plates (12) connected to both ends of the base plate (11); Placement tray (2), both ends of which are fixedly connected to the side plate (12), and multiple rows of placement slots (21) are opened on the top surface of the placement tray (2) along the length direction of the placement tray (2). Each row of placement slots (21) includes multiple unit placement slots (211) spaced apart along the width direction of the placement tray (2). An extension tray (3) is located below the placement tray (2). Multiple extension trays (3) are equidistantly arranged along the height direction of the side plate (12). Multiple rows of extension slots (31) are opened on the top surface of the extension tray (3) along the length direction of the extension tray (3). Each row of extension slots (31) includes multiple unit extension slots (311) spaced apart along the width direction of the extension tray (3). Each row of extension slots (31) corresponds one-to-one with each row of placement slots (21). The extension tray (3) is slidably arranged along the width direction of the extension tray (3).

2. The large-capacity blood collection frame for easy differentiation of blood collection tubes according to claim 1, characterized in that: The two ends of the extended tray (3) in the length direction are connected to limit rods (4). The side plates (12) are provided with a limit groove (121) on the side that is close to each other, which allows the limit rods (4) to slide. The limit groove (121) passes through one side of the side plate (12) in the width direction. The two adjacent extended trays (3) slide in opposite directions.

3. The large-capacity blood collection frame for easy differentiation of blood collection tubes according to claim 2, characterized in that: The limiting rod (4) is fixedly connected to an auxiliary block (41) on the side away from the extension plate (3). An auxiliary groove (1211) is provided on the inner wall of the limiting groove (121) for the auxiliary block (41) to slide. The two ends of the auxiliary groove (1211) extend in the length direction to the two ends close to the limiting groove (121).

4. The large-capacity blood collection frame for easy differentiation of blood collection tubes according to claim 2, characterized in that: The limiting rod (4) has a T-shaped cross section, and the limiting groove (121) has a cross section that is compatible with the limiting rod (4).

5. The large-capacity blood collection frame for easy differentiation of blood collection tubes according to claim 1, characterized in that: The base plate (11) includes a first plate (111) and a second plate (112), the first plate (111) and the second plate (112) are slidably connected, the outer peripheral surface of the second plate (112) is flush with the outer peripheral surface of the first plate (111), a sliding plate (1121) is fixedly connected to the side of the second plate (112) near the first plate (111), the size of the end face of the sliding plate (1121) is smaller than the size of the end face of the second plate (112), and a groove (1111) for the sliding plate (1121) is provided on the side of the first plate (111) near the second plate (112); The placement tray (2) includes a third plate (22) and a fourth plate (23), which are slidably connected. The extension tray (3) includes a fifth plate (32) and a sixth plate (33), which are slidably connected.

6. The large-capacity blood collection frame for easy differentiation of blood collection tubes according to claim 5, characterized in that: The size of the end face of the fourth plate (23) is smaller than the size of the end face of the third plate (22). The third plate (22) has a first receiving groove (221) on the side of the third plate (22) close to the fourth plate (23) for the fourth plate (23) to slide. The size of the end face of the sixth plate (33) is smaller than the size of the end face of the fifth plate (32), and the fifth plate (32) has a second receiving groove (321) on the side near the sixth plate (33) for the sixth plate (33) to slide.

7. The large-capacity blood collection frame for easy differentiation of blood collection tubes according to claim 6, characterized in that: The bottom surface of the fourth plate (23) is provided with a first mating plate (231), and the side of the third plate (22) near the fourth plate (23) is provided with a first mating groove (222) for sliding of the first mating plate (231). The cross-sections of the first mating plate (231) and the first mating groove (222) are both dovetail-shaped. The bottom surface of the sixth plate (33) is provided with a second mating plate (331), and the fifth plate (32) is provided with a second mating groove (322) on the side close to the sixth plate (33) for sliding of the second mating plate (331). The cross-sections of the second mating plate (331) and the second mating groove (322) are both dovetail-shaped.

8. The large-capacity blood collection frame for easy differentiation of blood collection tubes according to claim 5, characterized in that: Positioning protrusions (5) are provided on both sides of the slide plate (1121) in the width direction. Positioning holes (51) for the positioning protrusions (5) to pass through are provided on the inner walls of both sides of the slide groove (1111) in the width direction. The positioning protrusions (5) can pass through or leave the positioning holes (51). Multiple positioning holes (51) are provided at intervals along the length direction of the base plate (11). The distance between two adjacent positioning holes (51) is adapted to the distance between two adjacent rows of placement slots (21).

9. The large-capacity blood collection frame for easy differentiation of blood collection tubes according to claim 1, characterized in that: A storage bag (6) is provided on the side of the side plate (12) that is far apart from each other, and an erasable marker is placed in the storage bag (6).

10. The large-capacity blood collection frame for easy differentiation of blood collection tubes according to claim 5, characterized in that: A first label plate (7) is provided on one side wall of the third plate (22) in the width direction. The first label plate (7) corresponds one-to-one with each column of the placement slot group (21). A second label plate (71) is provided on one side wall of the fourth plate (23) in the width direction. The second label plate (71) also corresponds one-to-one with each column of the placement slot group (21). The second label plate (71) is located below the first label plate (7). A third label plate (8) is provided on one side wall of the fifth plate (32) in the width direction. The third label plate (8) corresponds one-to-one with each column of the expansion slot group (31). A fourth label plate (81) is provided on one side wall of the sixth plate (33) in the width direction. The fourth label plate (81) also corresponds one-to-one with each column of the expansion slot group (31). The fourth label plate (81) is located below the third label plate (8). The first label plate (7), the second label plate (71), the third label plate (8), and the fourth label plate (81) are all used to record bed numbers.

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