Kit for exhaled breath condensate collection and method thereof

Abstract

The application discloses a kit for collecting exhaled gas condensate and a method thereof, and belongs to the technical field of kits. When the test tube is taken out or put in, the handle is pulled to drive the pull rod to move downwards, the pull rod drives the sliding plate to move, the sliding plate drives the clamping block to move downwards and disengage from the clamping groove, that is, the locking state of the pull box and the box body is released. Then, the handle is pulled outwards to take the pull box out of the storage groove, so that the test tube in the pull box is exposed. In the process of moving the pull box, the distance of the pull box moving out of the storage groove is adjusted according to the number of the test tubes to be taken out or put in, so that the test tubes that do not need to be taken out or put in are still in the box body and are protected by the storage groove, cross contamination between the test tubes caused by weighing is prevented, the positions of other pull boxes are adjusted, and then the pull boxes provided with different types of test tubes are conveniently taken out or put in or detected, the box body does not need to be completely opened for operation, and then the accuracy of the detection result is ensured.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of kits, in particular to a kit for collecting exhaled breath condensate and a method thereof. BACKGROUND

[0002] Exhaled breath condensate is a biological fluid derived from droplets in the lower respiratory tract, containing thousands of biological disease markers, which can reflect the pathophysiological state in the lung and airway, and is mainly achieved by cooling the human respiratory gas.

[0003] Currently, exhaled breath condensate is usually collected in a test tube for storage, and then stored in a kit. When taking the test tube in the kit, the kit needs to be completely opened for operation, so that part of the test tube is exposed for a long time, which may cause certain destructive risk to the test tube. At the same time, cross contamination between test tubes may occur during operation, which may interfere with the accuracy of the detection results. SUMMARY

[0004] In order to overcome the above defects, the present application provides a kit for collecting exhaled breath condensate and a method thereof, which solves the problem that when taking the test tube in the kit, the kit needs to be completely opened for operation, so that part of the test tube is exposed for a long time, which may cause certain destructive risk to the test tube. At the same time, cross contamination between test tubes may occur during operation, which may interfere with the accuracy of the detection results.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a kit for collecting exhaled breath condensate, comprising a box body, a plurality of receiving grooves are formed on the outer wall of the box body, a storage assembly is arranged in the receiving groove, a slide is formed on the bottom of the receiving groove, the bottom of the storage assembly is slidably connected in the slide, a fixed block is fixed on the inner wall of the storage assembly, a groove is formed on the fixed block, a limiting groove is formed on the bottom of the inner wall of the groove, and a locking assembly is installed in the groove;

[0006] A clamping groove is formed on the top of the inner wall of the box body corresponding to the position of the locking assembly, the top end of the locking assembly is clamped in the clamping groove, one end of the locking assembly penetrates through the limiting groove and is arranged outside the storage assembly, an opening is formed on the top of the box body, the opening is communicated with the plurality of receiving grooves, the opening is located below the top cover, an adjusting assembly is installed in the middle of the top cover, a clamping seat is arranged at the bottom end of the adjusting assembly, and the clamping seat is clamped in the middle of the box body.

[0007] As a further scheme of the present application: the storage assembly comprises a pull box, the bottom of the pull box is slidably connected in the slide, the pull box is designed in a fan shape and the inner wall is provided with a placing rack and a supporting plate, a plurality of limiting holes and spherical holes are respectively formed in the placing rack and the supporting plate, and the placing rack is located above the supporting plate.

[0008] As a further scheme of the present application: the bottom of the inner wall of the pull box is obliquely installed with a flow guide plate, one side of the flow guide plate is provided with a discharge valve, the discharge valve is installed on the outer wall of the box body, the top of the box body is provided with a sealing gasket strip, the sealing gasket strip overlaps with the top of the inner wall of the box body, and the outer wall of the box body is installed with a handle.

[0009] As a further scheme of the present application: the locking assembly comprises a pull rod, the top end of the pull rod is fixedly connected with a sliding plate, the sliding plate is slidingly connected in a groove, a clamping block is fixedly connected on the sliding plate, the clamping block penetrates through the groove and is clamped in a clamping groove, and the top end of the clamping block is designed to be inclined.

[0010] As a further scheme of the present application: the outer wall of the pull rod is sleeved with a spring, the top end of the spring is fixedly connected with the sliding plate, the bottom end of the spring is fixedly connected with the bottom of the inner wall of the groove, the pull rod is designed to be L-shaped, and the end of the pull rod away from the sliding plate is fixedly connected with a handle.

[0011] As a further scheme of the present application: the adjusting assembly comprises a screw rod, an outer thread of the screw rod is connected with a nut, the nut is clamped in the middle of a top cover, the screw rod is externally provided with a rectangular block, the rectangular block is fixedly connected with the bottom of the top cover, the bottom end of the screw rod penetrates through the rectangular block and is connected on a clamping seat, and the top end of the screw rod is fixedly connected with a rotating handle.

[0012] As a further scheme of the present application: a rectangular groove is formed on the clamping seat, the rectangular block is clamped in the rectangular groove, the bottom of the clamping seat is provided with a hexagonal nut, the screw rod is threadedly connected in the hexagonal nut, and the bottom of the box body is provided with an anti-skid base.

[0013] A method for using a kit for collecting exhaled breath condensate, the method comprising the steps of:

[0014] The exhaled breath condensate is collected and stored in a test tube, the test tube containing the condensate is placed in the pull box, the test tube penetrates through the limiting holes on the supporting frame and is in contact with the supporting plate, the spherical hole on the supporting plate supports the bottom end of the test tube, the test tube is stably erected in the pull box, after the erection of the test tube is completed, the pull box is pushed in the slide way in the box body through the handle, until the pull box is pushed into the storage groove in the box body, in the process that the box body extrudes the clamping block, the obliquely designed clamping block moves upward, when the pull box no longer moves, the sliding plate is supported by the elastic force of the spring, the clamping block is clamped into the clamping groove in the box body by the sliding block, the purpose of locking the pull box is achieved, similarly, the remaining pull boxes outside the box body are operated, all the pull boxes are slid into the storage groove and are locked, different types of test tubes are independently stored;

[0015] When the pull box in the box body is taken out, the handle is pulled to drive the pull rod to move downward, the pull rod drives the sliding plate to move, the sliding plate drives the clamping block to move downward and disengage from the clamping groove, that is, the locking state of the pull box and the box body is released, and then the handle is pulled outward to take out the pull box from the storage groove, so that the test tube in the pull box is exposed outside, and the test tube can be taken and placed.

[0016] When the entire box body needs to be opened for taking, placing or detecting operation, the rotating handle is held to drive the screw rod to rotate, the screw rod can move upward during the rotation in the nut and the hexagonal nut, so that the screw rod can disengage from the hexagonal nut, that is, the locking state between the top cover and the box body is released, the top cover is lifted by the rotating handle to separate from the opening on the box body, so that the test tubes in all pull boxes in the box body are exposed outside, and then the test tubes in the box body can be taken, placed and detected in batches, when the opening on the box body is closed, the rectangular block at the bottom of the top cover is clamped into the rectangular slot on the clamping seat, so that the top cover cannot be freely deflected on the box body, and the rotating handle is rotated to drive the screw rod to rotate, the screw rod moves downward and is screwed in the hexagonal nut, so that the assembly of the box body and the top cover can be completed.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] 1、In the present application, the test tube containing condensate is placed in the pull box, when the test tube is taken and placed, the handle is pulled to drive the pull rod to move downward, the pull rod drives the sliding plate to move, the sliding plate drives the clamping block to move downward and disengage from the clamping groove, that is, the locking state of the pull box and the box body is released, and then the handle is pulled outward to take out the pull box from the storage groove, so that the test tube in the pull box is exposed outside, that is, the test tube can be taken and placed, and during the movement of the pull box, the distance of the pull box moving out of the storage groove is adjusted according to the number of test tubes to be taken and placed, so that the test tubes that do not need to be taken and placed are still in the box body and protected by the storage groove, and the positions of other pull boxes are adjusted, so that the pull boxes containing different types of test tubes can be taken, placed or detected without opening the box body, so as to ensure the accuracy of the detection result.

[0019] 2、The present application, by placing the test tube with condensate through the limiting hole on the rack and contacting with the supporting plate, and the spherical hole on the supporting plate supports the bottom end of the test tube, makes the test tube stable erection in the pull box, pushes the pull box by the handle, makes the pull box slide in the slide of the box body, until the pull box is pushed into the storage slot in the box body, in the process of extruding the clamping block of the box body, the clamping block moves up, when the pull box does not move, the slide plate is supported by the elastic force of the spring, the slide block drives the clamping block to be clamped into the clamping groove in the box body, the purpose of locking the pull box is realized, similarly, the remaining pull boxes outside the box body are operated, all the pull boxes are slid into the storage slot and locked, and then different types of test tubes are independently stored, and the protection effect of the test tube with condensate is further improved.

[0020] 3、The present application, by rotating the handle to drive the screw rod to rotate, the screw rod can move up in the process of rotating in the nut and hexagonal nut, the locking state between the top cover and the box body can be released after the screw rod is separated from the hexagonal nut, then the top cover is lifted by the handle to separate from the opening on the box body, so that the test tubes in all pull boxes in the box body are exposed outside, and then the test tubes in the box body can be conveniently taken and placed in batches and detected, the operation convenience is improved, when the opening on the box body is closed, the rectangular block at the bottom of the top cover is clamped into the rectangular slot in the clamping seat, so that the top cover cannot be freely deflected on the box body, the handle is rotated to drive the screw rod to rotate, the screw rod moves down and is screwed in the hexagonal nut, so that the top cover can be closely combined with the top of the box body, and the top cover and the box body are conveniently assembled. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic view of the present application;

[0022] Figure 2 It is a partial sectional view structure schematic view of the present application;

[0023] Figure 3 It is a structure schematic view of the box body and storage assembly of the present application;

[0024] Figure 4 It is a structure schematic view of the storage assembly of the present application;

[0025] Figure 5 It is a sectional view structure schematic view of the box body of the present application;

[0026] Figure 6 It is a structure schematic view of the locking assembly of the present application;

[0027] Figure 7 It is a structure schematic view of the adjusting assembly of the present application;

[0028] In the diagram: 1. Box body; 2. Storage slot; 3. Top cover; 4. Storage component; 401. Pull-out box; 402. Placement rack; 403. Limiting hole; 404. Tray; 405. Spherical hole; 406. Guide plate; 407. Drain valve; 408. Sealing gasket; 409. Handle; 5. Slide rail; 6. Fixing block; 7. Groove; 8. Limiting groove; 9. Locking component; 901. Pull rod; 902. Slide plate; 903. Locking block; 904. Spring; 905. Handle; 10. Locking slot; 11. Opening; 12. Adjustment component; 121. Screw; 122. Rotating handle; 123. Nut; 124. Rectangular block; 13. Locking seat; 14. Rectangular groove; 15. Hexagonal nut; 16. Anti-slip base. Detailed Implementation

[0029] The technical solution of this application will be further described in detail below with reference to specific embodiments.

[0030] like Figures 1-7 As shown, the present invention provides a technical solution: a reagent kit for collecting exhaled condensate, including a box body 1, with a plurality of storage slots 2 on the outside of the box body 1, and a storage component 4 disposed in the storage slots 2. The storage component 4 includes a pull box 401, the bottom of which is slidably connected to a slide rail 5. The pull box 401 is fan-shaped and has a placement rack 402 and a tray 404 on its inner wall. The placement rack 402 and the tray 404 are respectively provided with a plurality of limiting holes 403 and spherical holes 405. The placement rack 402 is located above the tray 404. Because of the placement rack 402 and the tray 404, a test tube containing condensate passes through the limiting holes 403 on the placement rack 402 and contacts the tray 404. The spherical holes 405 on the tray 404 support the bottom of the test tube, improving the stability of the test tube placed in the pull box 401.

[0031] A guide plate 406 is installed at an angle on the bottom of the inner wall of the pull box 401. A discharge valve 407 is provided on one side of the guide plate 406. The discharge valve 407 is installed on the outer wall of the box body 1. A sealing strip 408 is provided on the top of the box body 1. The sealing strip 408 overlaps with the top of the inner wall of the box body 1. A handle 409 is installed on the outer wall of the box body 1. Because of the guide plate 406, the liquid outside the test tube can fall onto the guide plate 406 through the spherical hole 405. The liquid inside the pull box 401 can be discharged by opening the discharge valve 407. The sealing strip 408 can fit tightly with the top of the inner wall of the box body 1, which plays the role of sealing and preserving the test tube inside the box body 1.

[0032] The bottom of the storage groove 2 is provided with a slide 5, the bottom of the storage assembly 4 is slidingly connected in the slide 5, the inner wall of the storage assembly 4 is fixedly provided with a fixed block 6, the fixed block 6 is provided with a groove 7, the bottom of the inner wall of the groove 7 is provided with a limiting groove 8, the groove 7 is provided with a locking assembly 9, the locking assembly 9 comprises a pull rod 901, the top end of the pull rod 901 is fixedly provided with a sliding plate 902, the sliding plate 902 is slidingly connected in the groove 7, the sliding plate 902 is fixedly connected with a clamping block 903, the clamping block 903 penetrates through the groove 7 and is clamped in a clamping groove 10, and the top end of the clamping block 903 is designed to be inclined. Because the clamping block 903 is provided, the clamping block 903 moves upward in the process that the box body 1 extrudes the clamping block 903, thereby preventing the stroke of the pull box 401 from being hindered.

[0033] The outer wall of the pull rod 901 is sleeved with a spring 904, the top end of the spring 904 is fixedly connected with the sliding plate 902, the bottom end of the spring 904 is fixedly connected with the bottom of the inner wall of the groove 7, the pull rod 901 is designed to be L-shaped, one end of the pull rod 901 away from the sliding plate 902 is fixedly connected with a handle 905, and the spring 904 is provided. The sliding plate 902 is supported by the elastic force of the spring 904, so that the sliding block drives the clamping block 903 to be clamped into the clamping groove 10 in the box body 1, the purpose of locking the pull box 401 is achieved, and the operation convenience is improved.

[0034] The top of the inner wall of the box body 1 is provided with the clamping groove 10 corresponding to the position of the locking assembly 9, the top end of the locking assembly 9 is clamped in the clamping groove 10, one end of the locking assembly 9 penetrates through the limiting groove 8 and is arranged outside the storage assembly 4, the top of the box body 1 is provided with an opening 11, the opening 11 is communicated with the plurality of storage grooves 2, the opening 11 is located below the top cover 3, the middle portion of the top cover 3 is provided with an adjusting assembly 12, the adjusting assembly 12 comprises a screw rod 121, the outer thread of the screw rod 121 is connected with a nut 123, the nut 123 is clamped in the middle portion of the top cover 3, the screw rod 121 is provided with a rectangular block 124, the rectangular block 124 is fixedly connected with the bottom of the top cover 3, the bottom end of the screw rod 121 penetrates through the rectangular block 124 and is connected with a clamping seat 13, and the top end of the screw rod 121 is fixedly provided with a handle 122. Because the handle 122 and the screw rod 121 are provided, the screw rod 121 can move upward in the process of rotating in the nut 123 and the hexagonal nut 15, and the locking state between the top cover 3 and the box body 1 can be released after the screw rod 121 is separated from the hexagonal nut 15, so that the top cover 3 and the box body 1 can be separated conveniently.

[0035] The bottom end of the adjusting assembly 12 is provided with a clamping seat 13 clamped in the middle of the box body 1, a rectangular groove 14 is formed on the clamping seat 13, a rectangular block 124 is clamped in the rectangular groove 14, the bottom of the clamping seat 13 is provided with a hexagonal nut 15, a screw rod 121 is screwed in the hexagonal nut 15, and the bottom of the box body 1 is provided with an anti-skid base 16. Because of the rectangular groove 14 and the rectangular block 124, the rectangular block 124 at the bottom of the top cover 3 is clamped into the rectangular groove 14 on the clamping seat 13, so that the top cover 3 cannot be freely deflected on the box body 1, and the installation stability of the top cover 3 is improved.

[0036] The use method of the kit for collecting exhaled air condensate includes the following steps:

[0037] The exhaled air condensate is collected in a test tube and stored, and then the test tube containing the condensate is placed inside the pull box 401, so that the test tube is placed through the limiting hole 403 on the placing rack 402 and is in contact with the supporting plate 404, and the spherical hole 405 on the supporting plate 404 supports the bottom end of the test tube, so that the test tube is stably erected in the pull box 401. After the erection of the test tube is completed, the pull box 401 is pushed by the pull handle 409, so that the pull box 401 slides in the slide way 5 in the box body 1, and the pull box 401 is pushed into the storage groove 2 in the box body 1. In the process of extruding the clamping block 903 by the box body 1, the clamping block 903 moves upward due to the inclined design. When the pull box 401 is no longer moved, the sliding plate 902 is supported by the elastic force of the spring 904, so that the sliding block drives the clamping block 903 to be clamped into the clamping groove 10 in the box body 1, thereby achieving the purpose of locking the pull box 401. Similarly, the remaining pull boxes 401 outside the box body 1 are operated, so that all the pull boxes 401 are slid into the storage groove 2 and are locked, thereby independently storing different types of test tubes;

[0038] When the pull box 401 in the box body 1 is taken out, the handle 905 is pulled, so that the handle 905 drives the pull rod 901 to move downward, the pull rod 901 drives the sliding plate 902 to move, and the sliding plate 902 drives the clamping block 903 to move downward and disengage from the clamping groove 10, that is, the locking state of the pull box 401 and the box body 1 is released. Secondly, the handle 905 is pulled outward, so that the pull box 401 is taken out from the storage groove 2, and the test tubes in the pull box 401 are exposed outside, so that the test tubes can be taken and placed. Moreover, in the process of moving the pull box 401, the distance of the pull box 401 moving out of the storage groove 2 is adjusted according to the number of test tubes to be taken and placed, so that the test tubes that do not need to be taken and placed are still in the box body 1 and are protected by the storage groove 2. Similarly, the positions of the other pull boxes 401 are adjusted, and then the pull boxes 401 containing different types of test tubes are taken, placed or detected;

[0039] When the whole box body 1 needs to be opened for taking, placing or detecting operation, the rotating handle 122 drives the screw rod 121 to rotate, and the screw rod 121 can move upwards during the rotation in the nut 123 and the hexagonal nut 15, so that the screw rod 121 can be separated from the hexagonal nut 15, that is, the locking state between the top cover 3 and the box body 1 is released, and then the top cover 3 is lifted by the rotating handle 122 to be separated from the opening 11 on the box body 1, so that all the test tubes in the pull box 401 in the box body 1 are exposed, and then batch taking, placing and detecting operation of the test tubes in the box body 1 are carried out, and when the opening 11 on the box body 1 is closed, the rectangular block 124 at the bottom of the top cover 3 is clamped into the rectangular slot 14 on the clamping seat 13, so that the top cover 3 cannot be freely deflected on the box body 1, and the rotating handle 122 is rotated to drive the screw rod 121 to rotate, and the screw rod 121 moves downwards and is screwed in the hexagonal nut 15, so that the assembly of the box body 1 and the top cover 3 is completed.

[0040] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0041] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0042] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, they can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection, or communication; can be directly connected, or indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0043] In the present disclosure, a first feature being "on" or "under" a second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact with an intervening medium therebetween, unless explicitly specified and defined otherwise. In the description of the disclosure, the description of a term "one scheme", "some schemes", "an example", "a specific example", or "some examples" etc. means that a particular feature, structure, material or characteristic being described in connection with the scheme or example contains the compositions of matter, or any method or processes involving the use of the compositions of matter, of at least one scheme or example of the present disclosure. The illustrative description of the above terms does not necessarily refer to the same scheme or example, unless otherwise specifically stated and defined. Furthermore, the description of the particular feature, structure, material, or characteristic, can be combined in any one or more schemes or examples, as appropriate.

Claims

1. A kit for collecting exhaled breath condensate, comprising a housing (1), characterized in that: The box body (1) has several storage slots (2) on its outside. A storage component (4) is provided in the storage slot (2). A slide (5) is provided at the bottom of the storage slot (2). The bottom of the storage component (4) is slidably connected in the slide (5). A fixing block (6) is fixed on the inner wall of the storage component (4). A groove (7) is provided on the fixing block (6). A limit groove (8) is provided at the bottom of the inner wall of the groove (7). A locking component (9) is installed in the groove (7). The top of the inner wall of the box (1) is provided with a slot (10) corresponding to the position of the locking component (9). The top of the locking component (9) is engaged in the slot (10). One end of the locking component (9) passes through the limiting groove (8) and is set outside the storage component (4). The top of the box (1) is provided with an opening (11). The opening (11) is connected to several storage slots (2). The opening (11) is located below the top cover (3). An adjustment component (12) is installed in the middle of the top cover (3). The bottom of the adjustment component (12) is provided with a card seat (13). The card seat (13) is engaged in the middle of the box (1). The storage component (4) includes a pull box (401), the bottom of which is slidably connected to the slide rail (5). The pull box (401) is fan-shaped and has a placement rack (402) and a tray (404) on its inner wall. The placement rack (402) and the tray (404) are respectively provided with a number of limiting holes (403) and spherical holes (405). The placement rack (402) is located above the tray (404). A guide plate (406) is installed at an incline on the bottom of the inner wall of the pull box (401). A discharge valve (407) is provided on one side of the guide plate (406). The discharge valve (407) is installed on the outer wall of the pull box (401). A sealing strip (408) is provided on the top of the pull box (401). The sealing strip (408) overlaps with the top of the inner wall of the pull box (401). A handle (409) is installed on the outer wall of the pull box (401). The locking component (9) includes a pull rod (901), a slide plate (902) is fixed to the top of the pull rod (901), the slide plate (902) is slidably connected in the groove (7), a locking block (903) is fixedly connected to the slide plate (902), the locking block (903) passes through the groove (7) and is locked in the slot (10), and the top of the locking block (903) is designed to be inclined. A spring (904) is sleeved on the outer wall of the pull rod (901). The top end of the spring (904) is fixed to the slide plate (902), and the bottom end of the spring (904) is fixedly connected to the bottom of the inner wall of the groove (7). The pull rod (901) is L-shaped, and a handle (905) is fixedly connected to the end of the pull rod (901) away from the slide plate (902).

2. The kit for collecting exhaled breath condensate according to claim 1, characterized in that: The adjustment assembly (12) includes a screw (121), the screw (121) is externally threaded with a nut (123), the nut (123) is snapped into the middle of the top cover (3), the screw (121) is provided with a rectangular block (124), the rectangular block (124) is fixed to the bottom of the top cover (3), the bottom end of the screw (121) passes through the rectangular block (124) and is connected to the card seat (13), and the top end of the screw (121) is fixed with a rotating handle (122).

3. The kit for collecting exhaled breath condensate according to claim 2, characterized in that: The card holder (13) has a rectangular groove (14) and the rectangular block (124) is engaged in the rectangular groove (14). The bottom of the card holder (13) is provided with a hexagonal nut (15) and the screw (121) is threaded into the hexagonal nut (15). The bottom of the box body (1) is provided with an anti-slip base (16).

4. A method of using a kit for collecting exhaled condensate, as described in claim 3, characterized in that... The method of use includes the following steps: Exhaled breath condensate is collected in a test tube and stored. The test tube containing the condensate is then placed inside the pull box (401), so that the test tube passes through the limiting hole (403) on the placement rack (402) and contacts the tray (404). The spherical hole (405) on the tray (404) supports the bottom of the test tube, so that the test tube is stably placed in the pull box (401). After the test tube is placed, the pull box (401) is pushed by the handle (409), so that the pull box (401) slides in the slide (5) inside the box body (1) until the pull box (401) is pushed into the box body (1). In the storage slot (2) inside, during the process of the box body (1) pressing the card block (903), the inclined card block (903) moves down. When the pull box (401) no longer moves, the spring force of the spring (904) supports the slide plate (902), so that the slide plate drives the card block (903) to be inserted into the card slot (10) inside the box body (1), thereby achieving the purpose of locking the pull box (401). Similarly, by operating the remaining pull boxes (401) outside the box body (1), all pull boxes (401) slide into the storage slot (2) and are locked, so that different types of test tubes can be stored independently. When removing the pull box (401) from the box body (1), pull the handle (905) to move the lever (901) downwards, causing the lever (901) to move the slide plate (902). The slide plate (902) then moves the locking block (903) downwards and disengages from the slot (10), thus releasing the lock between the pull box (401) and the box body (1). Then, pull the handle (905) outwards to remove the pull box (401) from the storage slot (2). The test tubes inside the pull box (401) are exposed to the outside, so that the test tubes can be taken out and put in. Moreover, during the movement of the pull box (401), the distance of the pull box (401) moving out of the storage slot (2) is adjusted according to the number of test tubes to be taken out and put in, so that the test tubes that do not need to be taken out and put in remain inside the box (1) and are protected by the storage slot (2). Similarly, the position of other pull boxes (401) is adjusted, so that the pull boxes (401) containing different types of test tubes can be taken out and put in or tested. When the entire box (1) needs to be opened for handling or testing, hold the handle (122) to rotate the screw (121). The screw (121) can move upward during the rotation within the nut (123) and hexagonal nut (15), allowing the screw (121) to disengage from the hexagonal nut (15), thus releasing the locking state between the top cover (3) and the box (1). Then, lift the top cover (3) with the handle (122) to separate it from the opening (11) on the box (1), allowing all the pull boxes (401) inside the box (1) to be opened. The test tubes are exposed to the outside, and then the test tubes inside the box (1) are taken out and tested in batches. When the opening (11) on the box (1) is sealed, the rectangular block (124) at the bottom of the top cover (3) is inserted into the rectangular groove (14) on the card seat (13) so that the top cover (3) will not freely deflect on the box (1). By rotating the handle (122), it drives the screw (121) to rotate. The screw (121) moves down and is threaded into the hexagonal nut (15), thus completing the assembly of the box (1) and the top cover (3).

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