CN218652353U

CN218652353U - Storage box structure of medical medicine dispensing trolley

Info

Publication number: CN218652353U
Application number: CN202222680393.8U
Authority: CN
Inventors: 张建
Original assignee: Chongqing Qianya Technology Co ltd
Current assignee: Chongqing Qianya Technology Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-03-21
Anticipated expiration: 2032-10-11

Abstract

The utility model relates to the technical field of medicine dispensing vehicles, in particular to a storage box structure of a medical medicine dispensing vehicle, which comprises a storage box arranged in a storage bin of a storage box body, wherein the upper end of the storage box is arranged in an open manner, so that the medicine storage box can be placed into the storage box from top to bottom; two cover plates are arranged above the upper end face of the storage box in a front-back paired manner, the left end and the right end of each cover plate are respectively connected with a downward hinged support block, and the lower ends of the two hinged support blocks are respectively hinged to the left side face and the right side face of the storage box; and a spring structure is arranged between one group of front and rear paired hinged supports on the storage box, and the spring structure is provided with a thrust end which is supported on the front and rear paired hinged supports in an abutting mode respectively and can push the paired hinged supports so that the two cover plates have the movement tendency of mutually departing. The utility model has the advantages of structural design is simple reasonable more, can better avoid being located its inside medicine storage box by random.

Description

Storage box structure of medical medicine dispensing trolley

Technical Field

The utility model relates to a medicine dispensing vehicle technical field especially relates to a medical medicine dispensing vehicle store box structure.

Background

At present, hospitals mostly adopt medical stainless steel medicine conveying vehicles to distribute medicines to patients. Medical stainless steel send medicine car adopts steel frame construction to support, and four universal wheels or four directional wheels, medical personnel's hand push remove, have simple structure's characteristics. Before use, medical staff are required to pack and load the medicines which are well distributed by each patient into a vehicle. The drug storage bin is of a pull-out design, usually a four-layer design. The exclusive daily medicine taking storage box for the patient is placed in each layer, and the daily medicine taking amount of the patient is manually stored. The medical stainless steel medicine conveying trolley is pushed to a ward and is delivered to a patient in a manual roll call mode. The existing medicine dispensing vehicle does not have a medicine management function, manual careful checking is needed in the medicine loading and medicine dispensing processes, the problems of wrong medicine filling and missing medicine filling are easy to occur due to the fact that the manual checking mode is completely adopted, and the problems of wrong medicine dispensing and missing medicine dispensing are easy to occur. And the medicine distribution process is slow, and the patient is inconvenient to arrange the medicine taking information on the same day or multiple days in the ward.

Therefore, the applicant designs a medical dispensing vehicle which comprises a vehicle body and is characterized in that a face recognition module and a code scanning module are arranged on the vehicle body; the vehicle body is provided with one or more than one storage box body, and the storage box body is provided with a plurality of storage bins with the upper ends being open; the storage bins are respectively provided with a storage box with an opening at the upper end, and the storage boxes are provided with two-dimensional codes or bar codes; the bottom of the storage bin is provided with a limiting structure, and a push-out structure is arranged between the storage box and the storage bin; the medicine storage boxes can be correspondingly placed from the open ends of the storage boxes from top to bottom one by one, and after downward pressure is applied to overcome the vertical thrust of the push-out structure, the limiting end of the limiting structure can be connected with the storage boxes to limit the vertical positions of the limiting end and the storage boxes; and after the limiting end of the limiting structure is separated from the storage box, the push-out structure can push the storage box to move upwards and enable the upper end of the storage box to extend out of the open end of the storage bin. However, what kind of structure of the storage box should be designed is that the structural design is simpler and more reasonable, and the storage box inside the storage box can be better prevented from being taken out at will, which becomes a further technical problem to be solved.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of the prior art, the utility model aims to solve the technical problem that how to provide a structural design is simple reasonable more, can better avoid being located its inside medicine storage box by the random box structure of storing of taking out medical dispensing car.

In order to achieve the purpose, the utility model provides a storage box structure of a medical drug delivery vehicle, which comprises a storage box arranged in a storage bin of a storage box body, wherein the upper end of the storage box is open, so that a drug storage box can be placed into the storage box from top to bottom; the storage box is characterized in that two cover plates are arranged above the upper end face of the storage box in a front-back paired mode, the left end and the right end of each cover plate are respectively connected with a downward hinged support block, and the lower ends of the two hinged support blocks are respectively hinged to the left side face and the right side face of the storage box; be provided with spring structure between one of them a set of front and back mated articulated piece on storing the box, spring structure has that the butt supports thrust end on two front and back mated articulated pieces and can promote two mated articulated pieces so that two apron have the motion trend that deviates from each other, promotes to store the box and after storing storehouse downstream, stores storehouse open end front and back both sides and can drive articulated piece and overcome spring structure's thrust inward movement to make two apron internal rotation establish in order to cover above storing box upper end.

Like this, in the above-mentioned structure, when storing the box and storing the storehouse internal downstream, store the storehouse open end around both sides can promote the articulated piece that props on two apron and overcome spring structure's thrust inward movement to make two apron cover separately and connect the setting and store box upper end both sides around, make to store the box of storage in the box and can not be taken out. When storing the box and storing the storehouse when upwards moving, store the box upward movement and make and store the box upper end and stretch out to the outside back from storing the storehouse open end, store storehouse open end front and back both sides just can not play the limiting displacement to two articulated piece of propping on lapping, the structural butt of separately supports the thrust end that can make two laps have the movement trend that deviates from each other in front and back on two mated articulated piece of propping, makes and stores the box upper end and be open setting to make things convenient for the medicine storage box to take out. By means of the structural design, a person who takes medicine can be better prevented from directly taking medicine by himself without consent, and the whole medicine distribution is safer and more controllable.

Preferably, the front side and the rear side of the upper end of the storage box are respectively provided with a fillet structure.

Like this, through both sides are equipped with the fillet structure respectively around storing box upper end, can make things convenient for apron along the arc motion more for overall structure is compacter.

As optimization, the left side wall and the right side wall of the upper end of the storage box are respectively provided with a taking and placing gap with a U-shaped structural design.

Like this, the breach of getting of setting can make things convenient for the finger to stretch into and take out the medicine storage box from storing the box.

Preferably, the spring structure comprises an installation convex block arranged at the upper end of the storage box, a torsion spring is arranged on the installation convex block, and two torsion force application parts of the torsion spring are respectively abutted against the front and rear paired hinged support blocks.

Like this, spring structure adopts torsion spring, and structural design is simpler, and easy to assemble sets up, and butt that two torsion ends of torsion spring can be better is on articulated piece, and the better torsion that provides makes two mated apron in front and back have the motion trend that deviates from each other.

As optimization, the inner sides of the two cover plates are respectively provided with an observation gap with an arc-shaped structure design.

Like this, the observation breach of design on the apron can see through the observation breach and observe whether the storage box is placed to the box inside and store the medicine box.

As optimization, the upper ends of the left side face and the right side face of the storage box are integrally inwards recessed to form an installation abdicating face, and the hinged support blocks are hinged to be installed on the installation abdicating face.

Thus, space can be better provided for installing the torsion spring and the hinge support block.

Furthermore, vertical guide grooves are formed in the front surface and the rear surface of the storage box respectively, and vertical guide rails are arranged on the front inner wall and the rear inner wall of the storage bin respectively corresponding to the guide grooves.

Like this, store the box and store and set up vertical guide structure between the storehouse for it is more stable to store box vertical motion in storing the storehouse.

Further, the guide grooves are two in pair.

Like this, the quantity design of guide way and guide rail is more reasonable, and completion that can be better leads, and is more stable.

Furthermore, through holes which are arranged in the thickness direction of the storage box and are in a strip-shaped structural design are respectively arranged between the two paired guide grooves on the storage box, and the length directions of the through holes are vertically arranged; a supporting lug with a long strip structure design is formed on the lower side surface of the through hole in an upward protruding mode, and the outer side surface of the upper end of the supporting lug protrudes outwards to form an abutting lug; the middle position on the inner side wall of the storage bin corresponds to the butt convex block, a matching groove is formed in the butt convex block, and the butt convex block can be matched with the matching groove in a vertical sliding mode to limit the vertical upward position of the storage box in the storage bin.

Therefore, through the through hole formed in the storage box, the supporting convex block is formed, the abutting convex block is formed on the outer side surface of the upper end of the supporting convex block, the matching groove is correspondingly formed in the inner side wall of the storage bin, and the abutting convex block can be matched with the matching groove in a vertically sliding mode, so that the vertically upward position of the storage box in the storage bin is limited. Whole structural design is simple, and the support lug has certain deformation can, can conveniently assemble to and convenient the dismantlement.

Drawings

Fig. 1 is a schematic structural view of a medical dispensing cart using the structure of the present invention (the medicine storage box is not shown in the figure).

Fig. 2 is a schematic structural view of fig. 1 rotated by an angle.

Fig. 3 is a schematic structural view of fig. 1 rotated by another angle.

Fig. 4 is a front view of fig. 1.

Fig. 5 is a rear view of fig. 4.

Fig. 6 is a top view of fig. 4.

Fig. 7 is a left side view of fig. 4.

Fig. 8 is a right side view of fig. 4.

Fig. 9 is a schematic view of the structure of fig. 1 with the dash panel omitted.

Fig. 10 is a schematic structural view of the storage case of fig. 1.

Fig. 11 is a partially enlarged schematic view of a position a in fig. 10.

Fig. 12 is a schematic view of the structure of fig. 10 after being rotated by an angle.

Fig. 13 is a top view of fig. 10.

Fig. 14 is a schematic structural view of the storage box of fig. 1.

Fig. 15 is a schematic view of the structure of fig. 14 rotated by an angle.

Fig. 16 is a schematic view of the structure of the storage case of fig. 1.

FIG. 17 is a schematic view of the cartridge configuration.

Detailed Description

The present invention will be further described with reference to the drawings and examples of a medical dispensing cart using the structure of the present invention, it should be noted that in the description of the present invention, the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 17, a medical dispensing cart comprises a cart body 1, wherein a face recognition module 2 and a code scanning module 3 are arranged on the cart body; the vehicle body is provided with one or more than one storage box body 4, and the storage box body is provided with a plurality of storage bins 5 with the upper ends being opened; the storage bins are respectively provided with a storage box 6 with an opening at the upper end, and the storage bins also comprise a storage box 7, and the storage box is provided with a two-dimensional code or a bar code; the bottom of the storage bin is provided with a limiting structure, and a push-out structure is arranged between the storage box and the storage bin; the medicine storage boxes can be correspondingly placed from the open ends of the storage boxes from top to bottom one by one, and after downward pressure is applied to overcome the vertical thrust of the push-out structure, the limiting end of the limiting structure can be connected with the storage boxes to limit the vertical positions of the limiting end and the storage boxes; and after the limiting end of the limiting structure is separated from the storage box, the push-out structure can push the storage box to move upwards and enable the upper end of the storage box to extend out of the open end of the storage bin.

Thus, when the medical dispensing cart is used, the medicines of the medicine taking person are loaded into the medicine storage box (three medicines in the morning, in the middle of the evening), the medicine storage box is provided with the two-dimensional code or the bar code, and the set two-dimensional code or the bar code represents the information of the corresponding medicine taking person; the sign indicating number back of sweeping can be accomplished to two-dimensional code or bar code on the medicine storage box to the sign indicating number of sweeping that sets up, puts into this medicine storage box from last to lower from storing box open end again, and exerts the vertical thrust of pushing down force and overcoming push-off structure and can promote to store box and its inside medicine storage box downstream to make limit structure's spacing end can link to each other in order to restrict its vertical position with storing the box. When needing to give the medicine to the person of taking medicine, the face appearance that the person of taking medicine can be discerned to the face recognition module that sets up, after discernment person of taking medicine's face appearance information, the medicine storage box who belongs to this person of taking medicine pops out, limit structure relieves spacingly, the ejecting structure can promote to store the box and upwards make and store the box upper end and extend to the outside from storing the storehouse opening end, take out the medicine storage box, the medicine (early, well or evening medicine) that belongs to this person of taking medicine in the medicine storage box takes out and offers and gives this person of taking medicine, put into the medicine storage box with the medicine storage box at last again, the completion is sent out the medicine.

Foretell medical medicine car of sending out has following advantage, through sweeping code module, face identification module and setting two-dimensional code or bar code on medicine storage box, can be better with medicine storage box and the person of taking medicine relevance, the person of taking medicine is the one-to-one relation with the medicine storage box that belongs to this person of taking medicine, the mistake is provided to the avoidance medicine that can be better, whether can better control accomplish the medicine and provide, and can also improve the medicine and provide efficiency. Above-mentioned medicine car of sending out has the avoiding medicine that can be better mistake send and miss and send out, the improvement that can be better sends out medicine efficiency, makes things convenient for the characteristics of medicine management more.

In this embodiment, the drug storage box 7 has three drug storage chambers which are independent from each other.

Like this, have the three storage medicine storehouse room that mutual independence set up on the medicine storage box for the medicine person of taking medicine can pack into three storage medicine storehouse respectively in the morning, the middle and evening medicine, can pack into the isolation in morning, the middle and evening cubic medicine separately, and the design is more reasonable.

Specifically, the medicine storage box comprises a box body 8 which is of a rectangular structure and is provided with an open surface, and two partition plates are arranged at intervals in the box body to partition the interior of the box body into three independent medicine storage chambers; a box cover 9 is arranged on the open side of the box body and respectively corresponding to the medicine storage chambers.

Like this, the structural design of medicine storage box is simpler, can conveniently pack into early, well, three medicine in evening more, three independent storage medicine storehouse, three independent lid can conveniently accomplish more and get it filled, can also be better separate it and open.

In this embodiment, the storage chamber, the storage box and the drug storage box are all designed in a rectangular structure.

Like this, will store the storehouse, store box and medicine storage box and design respectively and be the cuboid structure, design more simply reasonable.

In this embodiment, a two-dimensional code or a barcode is provided on the end face of the drug storage box 7.

Like this, with two-dimensional code or bar code setting at the terminal surface of drug storage box, the operation drug storage box of more conveniently operating accomplishes and sweeps a yard operation.

In the embodiment, two cover plates 10 are arranged above the upper end surface of the storage box 6 in a front-back paired manner, the left end and the right end of each cover plate are respectively connected with a downward hinged support block 11, and the lower ends of the two hinged support blocks are respectively hinged on the left side surface and the right side surface of the storage box; the spring structure 12 is arranged between one group of front and rear paired hinged support blocks on the storage box, the spring structure is provided with thrust ends which are respectively supported by abutting against the front and rear paired hinged support blocks and can push the two paired hinged support blocks to enable the two cover plates to have a movement trend of mutually deviating, after the storage box is pushed to move downwards in the storage bin, the front side and the rear side of the open end of the storage bin can drive the hinged support blocks to overcome the thrust of the spring structure to move inwards, and the two cover plates rotate inwards to cover the upper end of the storage box.

In this embodiment, rounded structures are provided on the front and rear sides of the upper end of the storage box, respectively.

In the present embodiment, the left and right sidewalls of the upper end of the storage box are respectively provided with a pick-and-place notch 13 with a U-shaped structure design.

In this embodiment, the spring structure includes a mounting protrusion 14 provided at the upper end of the storage box, a torsion spring 15 is mounted on the mounting protrusion, and two torsion force applying portions of the torsion spring are respectively abutted against two hinge support blocks paired front and back.

In this embodiment, the two cover plates are respectively provided with an observation notch 16 with an arc structure design at the inner side.

Like this, the observation breach of design on the apron can see through the observation breach and observe whether the box inside of storing has placed the pill storage box.

In this embodiment, two side upper ends are whole inwards sunken to form the installation and give way to the face 17 about storing box 6, articulated piece is articulated to be installed on the face is given way to the installation.

Specifically, vertical guide grooves 18 are respectively formed in the front surface and the rear surface of the storage box, and vertical guide rails 19 are respectively arranged on the front inner wall and the rear inner wall of the storage bin, corresponding to the guide grooves.

Specifically, the guide grooves are two in pair.

Specifically, through holes which are arranged in the thickness direction of the storage box and are in a strip-shaped structural design are respectively arranged between two paired guide grooves on the storage box, and the length directions of the through holes are vertically arranged; a supporting lug 20 with a long strip structure is formed on the lower side surface of the through hole in an upward protruding mode, and the outer side surface of the upper end of the supporting lug protrudes outwards to form an abutting lug 21; the middle position on the inner side wall of the storage bin corresponds to the butt convex block, a matching groove 22 is formed in the butt convex block, and the butt convex block can be matched with the matching groove in a vertical sliding mode to limit the vertical upward position of the storage box in the storage bin.

Therefore, through designing the through hole on the storage box, forming the supporting convex block, forming the abutting convex block on the outer side surface of the upper end of the supporting convex block, correspondingly designing the matching groove on the inner side wall of the storage bin, and enabling the abutting convex block to be matched with the matching groove in a vertically sliding mode to limit the vertically upward position of the storage box in the storage bin. Whole structural design is simple, and the support lug has certain deformation can, can conveniently assemble to and convenient the dismantlement.

Specifically, the push-out structure includes a coil spring 23 disposed on the bottom surface inside the storage compartment, and two ends of the coil spring respectively abut against the bottom surface inside the storage compartment and the bottom surface of the storage box.

Therefore, the push-out structure adopts the spiral spring, and the structural design is simple and reliable.

Specifically, the limiting structure comprises a first electromagnet 24 arranged on the bottom surface of the storage box, and further comprises a second electromagnet 25 arranged on the bottom surface inside the storage bin.

Like this, limit structure designs simple more rationally, adopts first electro-magnet and second electro-magnet for both the actuation together the back restriction store the position of box, and work is more reliable, and still convenient control.

Specifically, the two ends of the spiral spring are respectively sleeved outside the first electromagnet and the second electromagnet.

Thus, the arrangement is more reasonable, and the structure can be more compact.

Specifically, be equipped with position detector 26 on storing the storehouse internal perisporium, position detector's sense terminal is to storing the box setting, and is provided with detection through-hole 27 on storing the box, puts into the medicine storage box in storing the box and pushes down to predetermined position after, and the detected signal that position detector's sense terminal sent can be through detecting detection through-hole and detect the medicine storage box in storing the box.

Like this, through design position detector, can detect and store the box and whether push down to predetermined position to and whether there is the medicine storage box in the detection stores the box.

Specifically, universal wheels 28 are respectively arranged at four corner positions of the lower end of the vehicle body.

Like this, through setting up the universal wheel, can conveniently promote whole device.

Specifically, 60 storage bins are arranged on the storage box body, and are arranged in 6 rows and 10 columns.

Like this, be equipped with 60 on each storage box and store the storehouse, and be 6 rows 10 row's arrangements, layout design is more reasonable.

Specifically, the number of the storage boxes is two.

Like this, the storage box body is two, and the design is more reasonable.

Specifically, the storage box body comprises an upper storage box body 29 and a lower storage box body 30, and the upper storage box body is connected with the vehicle body through a horizontal guide rail structure; and the upper storage box body and the lower storage box body are connected through a four-bar linkage.

Like this, go up the storage box and pass through horizontal guide structure and link to each other with the automobile body, go up the storage box and link to each other through four-bar linkage between the storage box down for can adjust the storage box and be range upon range of arrangement with lower storage box, practice thrift the space.

Specifically, the storage box body comprises an outer box body 31 which is of a rectangular structure and is provided with an upper end opening, a plurality of transversely-arranged first partition plates 32 and a plurality of longitudinally-arranged second partition plates 33 are arranged inside the outer box body to divide the inner space of the outer box body into a plurality of storage bins.

Therefore, the structural design of the storage box body is simpler and more reasonable.

Specifically, a front coaming 34 and a rear coaming 35 are arranged at the front and the rear of the vehicle body, and a left coaming 36 and a right coaming 37 are arranged at the left and the right of the vehicle body; the front enclosing plate, the rear enclosing plate, the left enclosing plate and the right enclosing plate jointly enclose a storage space 38, and two or more than two partition plates are vertically arranged in the storage space at intervals to divide the storage space into a plurality of storage chambers; and a rectangular opening is arranged on the front wall plate and a cabinet door 39 is hinged.

Therefore, the storage chamber formed at the lower end of the cart body can conveniently store other medical supplies.

Specifically, the operating handrails 40 are provided in a left-right pair on the rear side of the vehicle body.

Therefore, the operating armrests are designed, and the operation of a user is facilitated.

In conclusion, the medical medicine dispensing trolley has the following advantages that: the burden of medicine charging and distributing of medical staff is reduced; the safety of the medicine storage and distribution process is improved; the ward information management is convenient.

And also has the following characteristics:

1. carry out the full protection design to traditional medicine dispensing car.

2. Medical personnel dispense medicines according to medical orders through HIS in a hospital, and the medicines are filled into a medicine taking container (a three-meal medicine taking box) made of medical materials every day after the medicines are dispensed.

3. The two-dimensional code on the medicine taking box is bound with the patient one to one, so that the situation that the medicine box and the medicine are not matched with the patient is avoided.

4. Patient information is identified by combining a face identification technology, and corresponding medicine boxes are prompted by identification information.

5. The medicine box is adopted to bind people, doctor advice and medicine dispensing vehicle identification binding relations, and accurate medicine taking of a patient is managed through the Internet of things mode.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. A storage box structure of a medical dispensing trolley comprises a storage box arranged in a storage bin of a storage box body, wherein the upper end of the storage box is arranged in an open manner, so that a medicine storage box can be placed into the storage box from top to bottom; the storage box is characterized in that two cover plates are arranged above the upper end face of the storage box in a front-back paired mode, the left end and the right end of each cover plate are respectively connected with a downward hinged support block, and the lower ends of the two hinged support blocks are respectively hinged to the left side face and the right side face of the storage box; be provided with spring structure between one of them a set of front and back mated articulated piece on storing the box, spring structure has that the butt supports thrust end on two front and back mated articulated pieces and can promote two mated articulated pieces so that two apron have the motion trend that deviates from each other, promotes to store the box and after storing storehouse downstream, stores storehouse open end front and back both sides and can drive articulated piece and overcome spring structure's thrust inward movement to make two apron internal rotation establish in order to cover above storing box upper end.

2. The medical dispensing cart storage box structure of claim 1, wherein: the front side and the rear side of the upper end of the storage box are respectively provided with a fillet structure.

3. The medical dispensing cart storage box structure of claim 1, wherein: the left side wall and the right side wall of the upper end of the storage box are respectively provided with a taking and placing gap with a U-shaped structure design.

4. The medical dispensing cart storage box structure of claim 1, wherein: the spring structure comprises an installation convex block arranged at the upper end of the storage box, a torsion spring is arranged on the installation convex block, and two torsion force application parts of the torsion spring are respectively abutted against two hinged support blocks paired in the front and the back.

5. The medical dispensing cart storage box structure of claim 1, wherein: the inner sides of the two cover plates are respectively provided with an observation gap with an arc-shaped structure design.

6. The medical dispensing cart storage box structure of claim 1, wherein: the upper ends of the left side face and the right side face of the storage box are integrally sunken inwards to form an installation abdicating face, and the hinged support blocks are hinged to be installed on the installation abdicating face.

7. The medical dispensing cart storage box structure of claim 1, wherein: vertical guide grooves are respectively formed in the front surface and the rear surface of the storage box, and vertical guide rails are respectively arranged on the front inner wall and the rear inner wall of the storage bin corresponding to the guide grooves.

8. The medical dispensing cart storage box structure of claim 7, wherein: the guide grooves are two in pair arrangement.

9. The medical dispensing cart storage box structure of claim 1, wherein: through holes which are arranged in the thickness direction of the storage box and are in a strip-shaped structural design are respectively arranged between the two paired guide grooves on the storage box, and the length directions of the through holes are vertically arranged; a supporting lug with a long strip structure design is formed on the lower side surface of the through hole in an upward protruding mode, and the outer side surface of the upper end of the supporting lug protrudes outwards to form an abutting lug; the middle position on the inner side wall of the storage bin corresponds to the butt convex block, a matching groove is formed in the butt convex block, and the butt convex block can be matched with the matching groove in a vertical sliding mode to limit the vertical upward position of the storage box in the storage bin.