Negative pressure sample transport case

Abstract

The utility model discloses a kind of negative pressure sample transfer cases, including box and lid, buckle is installed between box and lid, the bottom surface of box is equipped with supporting leg, the inside of box is equipped with barrier plate, negative pressure pump and the negative pressure assembly connected with negative pressure pump are installed in the lower side of barrier plate, storage room is equipped in the upper side of barrier plate, negative pressure assembly top is located on the surface of barrier plate, solenoid valve is installed in the bottom end of the bottom of negative pressure assembly, suction cup is located in the bottom surface of box. The utility model is equipped with the base independent of transfer case, only external fixed installation base to fast transport object can be, when using, user can be independently used by handle lifting up transport, only transfer case is embedded on base and operating control button when fast transport can constitute the fixing of whole transfer case, without repeatedly packing and unpacking fixed structure, without additionally adding remaining equipment, the effect of fast taking or placing transfer case is realized.

Description

Technical Field

[0001] This utility model relates to the field of sample transport boxes, and in particular to a negative pressure sample transport box. Background Technology

[0002] When transporting samples that have aerosol diffusion properties, negative pressure transport boxes are required to prevent internal air from contaminating the clean space outside during transport, which could lead to infection of transport personnel with viruses carried by the samples. For example, patent number CN212870364U discloses a similar prior art.

[0003] However, although existing negative pressure transport boxes usually have shock-resistant structures inside, the box itself will be displaced during transportation due to inertia or collisions, and the impact on the box surface will also cause vibration inside, ultimately causing some damage to the internal samples. The current fixing method requires repeated installation and disassembly, which affects the use of the transport box. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the defects of the prior art and provide a negative pressure sample transfer box, which mainly solves the technical problem that the fixed structure of the existing negative pressure transfer box requires repeated disassembly and assembly, which is inconvenient to use.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] This utility model relates to a negative pressure sample transport box, comprising a box body and a box lid, with a buckle installed between the box body and the box lid. Support legs are installed on the bottom surface of the box body. A baffle plate is provided inside the box body, and a negative pressure pump and a negative pressure assembly connected to the negative pressure pump are installed on the lower side of the baffle plate. A storage chamber is provided on the upper side of the baffle plate. The top of the negative pressure assembly is located on the surface of the baffle plate, and a solenoid valve is installed at the bottom of the negative pressure assembly. A suction cup is installed at the bottom end of the solenoid valve, located on the bottom surface of the box body. A base is provided on the bottom side of the box body, and a fixing member is provided on the outer surface of the base for fixing the base. A snap-fit ​​groove is provided on the inner edge of the base, and the snap-fit ​​groove corresponds to the shape of the support legs. A lifting block is provided in the middle of the base, and the upper surface of the lifting block contacts the suction cup. The lifting block includes a pressure relief channel that extends to the outer surface of the base, and an on / off valve is installed at the end of the pressure relief channel.

[0007] Preferably, the upper surface of the lifting block is smooth, the air inlet of the negative pressure component is located on the upper and lower sides, and the solenoid valve is connected to the negative pressure component and the suction cup respectively.

[0008] Preferably, a control unit is also installed on the bottom side of the barrier plate, a display screen is installed on the front surface of the box, and control buttons and sockets are installed on the side surface of the box. The control unit is electrically connected to the negative pressure pump, the solenoid valve, the display screen, the control buttons and the sockets respectively.

[0009] Preferably, the control unit includes an MCU microcontroller, a lithium battery, and a contactor, and the negative pressure assembly includes connecting pipes and a filter.

[0010] Preferably, a perforated plate is installed on the bottom side of the storage chamber, the perforated plate is located on the upper side of the barrier plate, and a handle is installed on the top of the box cover.

[0011] Preferably, a positioning block is provided on the inner side of the snap-fit ​​groove, and a recess corresponding to the positioning block is provided on the bottom of the support leg.

[0012] Preferably, the pressure relief channel is an L-shaped structure extending from the top of the lifting block to the outside of the base, the pressure relief channel is a tubular structure, and the opening and closing valve is used to remove negative pressure from the pressure relief pipeline.

[0013] Preferably, the fastener is a C-clamp or a threaded fastener, and the fastener is used to limit the position of the base.

[0014] Preferably, the perforated plate is detachably connected to the housing, the top of the negative pressure component is detachably connected to the barrier plate, and the bottom edge of the suction cup is on the same plane as the bottom of the housing.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] This utility model features a base independent of the transport box. Only the external fixed mounting base needs to be attached to the object to be transported quickly. When transporting, the user can use it independently by lifting it with the handle. During rapid transport, the transport box is simply embedded into the base and the control button is operated to fix the entire transport box. There is no need to repeatedly assemble and disassemble the fixing structure. In addition, the negative pressure pump structure with suction cup is also a built-in device of the transport box. No additional equipment is required to achieve the effect of quickly picking up or placing the transport box. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a cross-sectional structural schematic diagram of the present invention;

[0020] Figure 3 This is a top view of the base structure of this utility model;

[0021] In the diagram: 1. Cabinet; 101. Cabinet lid; 102. Buckle; 103. Support leg; 104. Display screen; 105. Control button; 106. Socket; 107. Handle; 2. Baffle plate; 3. Negative pressure pump; 301. Negative pressure assembly; 302. Solenoid valve; 4. Storage chamber; 401. Orifice plate; 5. Suction cup; 6. Base; 601. Fixing component; 602. Snap-fit ​​groove; 603. Lifting block; 604. Positioning block; 7. Pressure relief channel; 701. On / off valve; 8. Control unit. Detailed Implementation

[0022] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0023] In the attached diagram, all identical reference numerals refer to the same components.

[0024] In the first embodiment, as Figure 1-3 As shown, this utility model provides a negative pressure sample transport box, including a box body 1 and a box cover 101. A buckle 102 is installed between the box body 1 and the box cover 101. A support leg 103 is installed on the bottom surface of the box body 1. A baffle plate 2 is provided inside the box body 1. A negative pressure pump 3 and a negative pressure assembly 301 connected to the negative pressure pump 3 are installed on the lower side of the baffle plate 2. A storage chamber 4 is provided on the upper side of the baffle plate 2. The top of the negative pressure assembly 301 is located on the surface of the baffle plate 2. A solenoid valve 302 is installed at the bottom of the negative pressure assembly 301. A mounting plate is installed at the bottom end of the solenoid valve 302. The suction cup 5 is located on the bottom surface of the box 1; the bottom side of the box 1 is provided with a base 6, the outer surface of the base 6 is provided with a fixing member 601, the fixing member 601 is used to fix the base 6, the inner edge of the base 6 is provided with a snap-fit ​​groove 602, the snap-fit ​​groove 602 corresponds to the shape of the support leg 103, the middle part of the base 6 is provided with a lifting block 603, the upper surface of the lifting block 603 is in contact with the suction cup 5, the lifting block 603 includes a pressure relief channel 7 inside, the pressure relief channel 7 extends to the outer surface of the base 6, and an opening and closing valve 701 is installed at the end of the pressure relief channel 7;

[0025] like Figure 1 As shown, the transport box consists of a conventional box body 1 and a box lid 101. To increase the stability of the transport box, a base 6 with a fixing part 601 is further provided, so that the base 6 can be installed on other fixed structures, such as a table or a fixed bracket. If necessary, the base 6 can also be directly installed on the wall, and the stored items can be flipped and built in together with the box body 1.

[0026] The connection method primarily utilizes the negative pressure pump 3 built into the housing 1 to generate negative pressure inside the housing 1. Once negative pressure is generated, the solenoid valve 302 between the connecting assembly and the suction cup 5 opens, increasing the overall negative pressure until the housing 1... Figure 2 The vertical limiting function of the form allows the box 1 to be stably attached to the surface of the base 6, achieving a stable transportation effect.

[0027] The upper surface of the lifting block 603 is smooth. The air inlet of the negative pressure component 301 is located on the upper and lower sides. The solenoid valve 302 is connected to the negative pressure component 301 and the suction cup 5 respectively. Because the bottom of the box 1 is equipped with a support leg 103 structure embedded in the base 6, under normal conditions the support leg 103 is used as a support structure for the box 1. When placed in the snap-fit ​​groove 602 of the base 6, it can further cooperate with the box 1 to form a lateral limiting function.

[0028] In another embodiment, a control unit 8 is also installed on the bottom side of the barrier plate 2, a display screen 104 is installed on the front surface of the housing 1, and control buttons 105 and sockets 106 are installed on the side surface of the housing 1. The control unit 8 is electrically connected to the negative pressure pump 3, the solenoid valve 302, the display screen 104, the control buttons 105, and the sockets 106, respectively. The control unit 8 includes an MCU microcontroller, a lithium battery, and a contactor. The negative pressure assembly 301 includes connecting pipes and a filter. The conventional housing 1 structure also has its own internal electrical control module, so in this embodiment... Since a connection device is provided, the control unit 8 needs to be further connected to the solenoid valve 302. Through the control of the solenoid valve 302, the pipeline at the suction cup 5 is separated from the pipeline of the negative pressure component 301. When the solenoid valve 302 is opened, the negative pressure pump 3 can also cooperate with the negative pressure component 301 to form a form like an electric suction cup 5 to complete the adsorption. The negative pressure pump 3 itself includes conventional structures such as a vacuum generator and connecting pipes. The negative pressure component 301 itself is also equipped with a second solenoid valve on the top to distinguish the negative pressure level between the suction cup 5 and the inside of the box 1.

[0029] A perforated plate 401 is installed on the bottom side of the storage chamber 4, located above the barrier plate 2. A handle 107 is installed on the top of the cover 101. The perforated plate 401 is detachably connected to the box body 1, and the top of the negative pressure component 301 is detachably connected to the barrier plate 2. The bottom edge of the suction cup 5 is on the same plane as the bottom of the box body 1. The perforated plate 401 is mainly fastened or embedded into the inner wall of the box body 1 to prevent blockage at the inlet of the negative pressure component 301. During disassembly, the perforated plate 401 or the upper part of the negative pressure component 301 can be removed separately to achieve overall cleaning or maintenance of the interior. The area of ​​the box body 1 below the barrier plate 2 can also be freely disassembled based on screw connections, such as... Figure 2 As shown.

[0030] The inner side of the snap-fit ​​groove 602 is provided with a positioning block 604, and the bottom of the support leg 103 is provided with a recess corresponding to the positioning block 604; its structure can further position the support leg 103 inside the snap-fit ​​groove 602 and prevent the support leg 103 from shaking inside the snap-fit ​​groove 602.

[0031] In another embodiment, the pressure relief channel 7 is an L-shaped structure extending from the top of the lifting block 603 to the outside of the base 6. The pressure relief channel 7 is a tubular structure, and the on / off valve 701 is used to remove negative pressure from the pressure relief pipeline. The fixing member 601 is a C-clamp or threaded fastener, and the fixing member 601 is used to limit the position of the base 6. Figure 1 As shown, the fastener 601 can be a C-clamp or a threaded fastener; when using one, the other can be removed.

[0032] like Figure 2-3 As shown, in order to allow the suction cup 5 to form an independent pressure relief so as to separate from the lifting block 603, a pressure relief channel 7 is provided on the top of the lifting block 603, which is vertically corresponding to the suction cup 5. Because the height gap between the support leg 103 and the base 6 allows the pressure relief channel 7 to extend to the outside of the base 6, when the user operates the opening and closing valve 701, the negative pressure of the suction cup 5 can be relieved to achieve the effect of separating the bottom of the box 1 from the base 6.

[0033] Working principle: After placing the target object on the perforated plate 401, the user can hold the handle 107 to close the lid 101 and the body 1, and then close the buckle 102. The buckle 102 can be a push-button buckle 102 or other sealing buckle 102. The sealing ring between the lid 101 and the body 1 will create a sealed space inside the body 1. Then, the negative pressure pump 3 is started based on the control button 105, so that the negative pressure pump 3 creates negative pressure inside the storage chamber 4 of the body 1. The air outlet of the negative pressure pump 3 is located at the rear of the body 1.

[0034] The transport box can then be moved onto the base 6, so that the support leg 103 is inserted into the snap-fit ​​groove 602 and the suction cup 5 is connected to the surface of the lifting block 603. Then, the solenoid valve 302 is opened by operating the control button 105, so that the negative pressure pump 3 is fixed to the upper surface of the lifting block 603 based on the suction cup 5. With the lateral limit at the support leg 103, the suction cup 5 will keep the box 1 vertically limited on the base 6. When the base 6 is connected to other fasteners 601 through the fastener 601, the entire transport box can also be fixed together.

[0035] When disassembly is required, such as Figure 3As shown, the user can directly operate the on / off valve 701 to release external air into the inside of the suction cup 5 through the pressure relief channel 7. At this time, the solenoid valve 302 is in the closed state and will not affect the inside of the storage chamber 4. Then, the entire transfer box can be lifted by the handle 107. If a second solenoid valve is installed on the top of the negative pressure component 301, the negative pressure pump 3 can adjust the negative pressure level at the storage chamber 4 and the suction cup 5 respectively to achieve the effect of adjusting the negative pressure of different spaces.

[0036] In summary, its overall structure is simple, and it can be fixed on the base using only the negative pressure pump that comes with the transport box. During transportation, the transport box can remain fixed and avoid collisions with other objects due to inertia or other reasons.

[0037] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A negative pressure sample transport box, comprising a box body (1) and a box lid (101), wherein a buckle (102) is installed between the box body (1) and the box lid (101), characterized in that, The bottom surface of the box (1) is equipped with support legs (103), the box (1) is equipped with a baffle plate (2), a negative pressure pump (3) and a negative pressure assembly (301) connected to the negative pressure pump (3) are installed on the lower side of the baffle plate (2), a storage chamber (4) is provided on the upper side of the baffle plate (2), the top of the negative pressure assembly (301) is located on the surface of the baffle plate (2), a solenoid valve (302) is installed at the bottom of the negative pressure assembly (301), a suction cup (5) is installed at the bottom end of the solenoid valve (302), and the suction cup (5) is located on the bottom surface of the box (1); The bottom side of the box (1) is provided with a base (6), and the outer surface of the base (6) is provided with a fixing member (601) for fixing the base (6). The inner edge of the base (6) is provided with a snap-fit ​​groove (602), which corresponds to the shape of the support leg (103). The middle part of the base (6) is provided with a lifting block (603), and the upper surface of the lifting block (603) is in contact with the suction cup (5). The lifting block (603) includes a pressure relief channel (7) inside, which extends to the outer surface of the base (6), and an opening and closing valve (701) is installed at the end of the pressure relief channel (7).

2. The negative pressure sample transport box according to claim 1, characterized in that, The upper surface of the lifting block (603) is smooth, the air inlet of the negative pressure component (301) is located on the upper and lower sides, and the solenoid valve (302) is connected to the negative pressure component (301) and the suction cup (5) respectively.

3. A negative pressure sample transport box according to claim 2, characterized in that, The bottom side of the barrier plate (2) is also equipped with a control unit (8), the front surface of the box (1) is equipped with a display screen (104), and the side surface of the box (1) is equipped with a control button (105) and a socket (106). The control unit (8) is electrically connected to the negative pressure pump (3), the solenoid valve (302), the display screen (104), the control button (105) and the socket (106) respectively.

4. A negative pressure sample transport box according to claim 3, characterized in that, The control unit (8) includes an MCU microcontroller, a lithium battery and a contactor, and the negative pressure assembly (301) includes connecting pipes and a filter.

5. A negative pressure sample transport box according to claim 4, characterized in that, A perforated plate (401) is installed on the bottom side of the storage chamber (4), the perforated plate (401) is located on the upper side of the barrier plate (2), and a handle (107) is installed on the top of the box cover (101).

6. A negative pressure sample transport box according to claim 5, characterized in that, The inner side of the snap-fit ​​groove (602) is provided with a positioning block (604), and the bottom of the support leg (103) is provided with a recess corresponding to the positioning block (604).

7. A negative pressure sample transport box according to claim 6, characterized in that, The pressure relief channel (7) is an L-shaped structure that extends from the top of the lifting block (603) to the outside of the base (6). The pressure relief channel (7) is a tubular structure. The opening and closing valve (701) is used to remove the negative pressure of the pressure relief pipeline. The top of the pressure relief channel (7) is vertically corresponding to the inside of the suction cup (5).

8. A negative pressure sample transport box according to claim 7, characterized in that, The fastener (601) is a C-clamp or a threaded fastener, and the fastener (601) is used to limit the base (6); the top of the negative pressure assembly (301) is also provided with a second solenoid valve.

9. A negative pressure sample transport box according to claim 8, characterized in that, The perforated plate (401) is detachably connected to the box (1), the top of the negative pressure component (301) is detachably connected to the barrier plate (2), and the bottom edge of the suction cup (5) is on the same plane as the bottom of the box (1).

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