Intelligent cold chain storage and transportation box

Abstract

The invention relates to the technical field of cold chain storage and transportation boxes, in particular to an intelligent cold chain storage and transportation box, and effectively solves the problems that an existing storage and transportation box is inconvenient to load and carry and a sealing cover is easy to open due to accidental touch. Comprising a box body, a support capable of making contact with the ground is arranged on the lower side of the box body, a storage bin is formed in the upper side of the box body, a jacking plate is arranged on the lower side in the storage bin, a containing box is arranged above the jacking plate, and a driving assembly is arranged in the box body; by arranging the support, stable placement is facilitated, the storage bin, the jacking plate, the driving assembly, the cover plate, the sliding grooves and the sliding pins are arranged, the jacking plate can be driven by the driving assembly to drive the placement box to ascend and descend in the storage bin, then loading of objects is facilitated, meanwhile, the placement box can be taken out independently and is convenient to clean, and meanwhile the objects are convenient to store or dump; and meanwhile, the cover plate can be driven to be opened and closed through the driving assembly, internal articles are convenient to take, and the problem that the articles are inconvenient to load and unload is effectively solved.

Description

Technical Field

[0001] The present invention relates to the technical field of cold chain storage and transportation boxes, and in particular to an intelligent cold chain storage and transportation box. Background Art

[0002] Cold chain transportation refers to the transportation process in which the goods are kept at a certain temperature throughout the entire transportation process, whether it is loading and unloading, changing the mode of transportation, replacing packaging equipment, etc. Cold chain storage and transportation boxes are special equipment used to store and transport beverages, food, pharmaceutical products and other items that need to be kept at a specific temperature. They usually have insulation or refrigeration functions to ensure the safety of the products during transportation. The existing cold chain storage and transportation boxes only provide insulation and are not convenient for loading and handling. At the same time, during transportation, the cover is easy to open if it is accidentally touched or forgotten to be fixed, which makes it difficult to control the internal temperature and easily causes cold air to leak out, which needs to be solved urgently. Summary of the invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the present invention is to provide an intelligent cold chain storage and transportation box, which effectively solves the problem that the existing storage and transportation boxes are inconvenient to load and carry and the cover is easily opened by accident.

[0004] The technical solution solved by the present invention is that it comprises a box body, a bracket which can contact the ground is provided on the lower side of the box body, a storage bin is provided on the upper side of the box body, a lifting plate is provided on the lower side of the storage bin, a placing box is provided above the lifting plate, a driving assembly is provided in the box body, the driving assembly can respectively drive the lifting and lowering of the bracket and the lifting plate, two cover plates which are symmetrical front and back and can cover the storage bin are hinged on the upper side of the box body, sliding grooves are provided on the front and rear sides of the cover plates, sliding pins located in the sliding grooves on the corresponding sides are respectively fixedly connected on the front and rear sides of the driving assembly, a fixing assembly is provided on the left side of the box body, the fixing assembly can limit the position of the cover plate, a push-pull rod is hinged on the left side of the box body, a secondary limiting assembly is provided in the box body, the secondary limiting assembly can perform secondary limiting on the cover plate, the left side of the secondary limiting assembly can contact with the push-pull rod, a cold storage bin located on the left side of the storage and transportation box is provided on the front and rear sides of the box body, and a sealing door which can cover the cold storage bin is provided on the outside of the cold storage box.

[0005] The driving assembly includes a hydraulic rod, the output end of the hydraulic rod is fixedly connected to a moving rod, the front and rear sides of the moving rod are respectively fixedly connected to driving plates, the front and rear sides of the bracket are respectively fixedly connected to lifting plates, an inverted L-shaped lifting groove is provided on the lifting plate, the lower sides of the opposite ends of the two driving plates are respectively fixedly connected to lifting pins inserted into the lifting grooves on the corresponding sides, an L-shaped driving groove is provided on the driving plate, waist-shaped grooves are respectively provided on the front and rear sides of the storage bin, and the front and rear sides of the lifting plate are respectively fixedly connected to driving pins located in the driving grooves on the corresponding sides, and the driving pins are located in the waist-shaped grooves on the corresponding sides.

[0006] The upper end of the driving plate is fixedly connected to the sliding pin on the corresponding side thereof.

[0007] The fixing assembly includes a moving frame, and the front and rear sides of the moving frame are respectively fixedly connected to limit pins, and the left ends of the two cover plates are respectively provided with limit grooves corresponding to the limit pins, and the limit pins can be inserted into the limit grooves. The upper end surface of the moving frame is an inclined surface that is higher on the left and lower on the right. The upper end of the box body is slidably connected to a button whose lower end can contact the inclined surface of the moving frame, and the rear end of the moving frame is fixedly connected to a balance rod, and the balance rod is sleeved with a compression spring located between the box body and the moving frame.

[0008] Two top blocks located at the front and rear sides of the moving frame are slidably connected in the box body, and the top blocks can respectively contact the lower ends of the cover plates on their corresponding sides. The opposite ends of the two top blocks are respectively provided with lifting grooves, and the front and rear sides of the moving frame are respectively fixedly connected with lifting pins located in the lifting grooves on their corresponding sides.

[0009] The secondary limit assembly includes a turntable, connecting rods are respectively provided on the upper and lower sides of the turntable, the connecting rods are slidably connected to the box body, and movable grooves are respectively opened at the opposite ends of the two connecting rods. The upper and lower sides of the turntable are respectively fixedly connected with movable pins that can be inserted into the movable grooves on the corresponding sides. The right end of the upper connecting rod is fixedly connected with a U-shaped limit rod, and a plug hole is opened on the cover plate. The front and rear sides of the right end of the limit rod are respectively fixedly connected with pins that can be inserted into the plug hole. The lower end of the lower connecting rod is fixedly connected with a straight rod, and a reset spring located between the straight rod and the connecting rod is sleeved on the straight rod. The left end of the lower connecting rod can contact the push-pull rod.

[0010] A plurality of positioning grooves are respectively provided on the front and rear sides of the lower end of the push-pull rod, and positioning pins are respectively connected to the front and rear sides of the box body through compression springs, and the positioning pins can be inserted into the positioning grooves on the corresponding sides.

[0011] The left side of the box body is provided with a slot located on the left side of the cold storage bin, the sealing door is hinged to the box body, the left side of the sealing door is slidably connected with a latch tongue which can be inserted into the slot on the corresponding side, a compression spring three is provided between the latch tongue and the sealing door, a connecting groove is provided on the latch tongue, an arc-shaped groove is provided on the sealing door, a knob is rotatably connected to the outer wall of the sealing door, a connecting pin is fixedly connected to the knob, the connecting pin passes through the arc-shaped groove and the rear end is located in the connecting groove on the corresponding side.

[0012] The left and right sides of the box body are respectively provided with two front-to-back moving wheels, and the front and back sides of the box body are respectively fixedly connected with two left-to-right opposite supporting columns, and the supporting columns are slidably connected with the bracket.

[0013] The present invention facilitates stable placement by arranging a bracket, and can utilize the driving assembly to drive the lifting plate to drive the placement box to rise and fall in the storage bin by arranging a storage bin, a lifting plate, a driving assembly, a cover plate, a slide groove and a sliding pin, so as to facilitate the loading of articles. At the same time, the placement box can be taken out separately, which is convenient for cleaning, and is also convenient for storing or dumping articles. At the same time, the driving assembly can drive the cover plate to be opened and closed, which is convenient for taking out the internal articles, and effectively solves the problem of inconvenient article loading and unloading. The fixing assembly can limit the cover plate to prevent it from opening without reason and causing internal temperature loss. The secondary limiting assembly can ensure that the cover plate is secondary limited and fixed during the push-pull transportation process to prevent it from being opened by mistake. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an axonometric view of the present invention.

[0015] Figure 2 It is a partially cutaway front view schematic diagram of the present invention.

[0016] Figure 3 It is a main schematic view of the secondary limit assembly in the present invention.

[0017] Figure 4 It is an exploded front view schematic diagram of the fixing assembly in the present invention.

[0018] Figure 5 It is a left-view exploded schematic diagram of the sealing door in the present invention.

[0019] Figure 6 It is a rear exploded schematic diagram of the sealing door in the present invention.

[0020] Figure 7 It is a front view schematic diagram of the driving component in the present invention.

[0021] Figure 8 It is a schematic diagram of the main view of the box body in the present invention.

[0022] Fig. 9 The present invention Figure 2 A is an enlarged view of the middle image.

[0023] Fig.10 The present invention Figure 7 Enlarged view of B.

[0024] In the figure: 1, box body; 2, bracket; 3, storage bin; 4, lifting plate; 5, storage bin; 6, cover plate; 7, slide slot; 8, slide pin; 9, push-pull rod; 10, cold storage bin; 11, sealing door; 12, hydraulic rod; 13, moving rod; 14, driving plate; 15, lifting plate; 16, lifting slot; 17, lifting pin; 18, driving slot; 19, waist-shaped slot; 20, driving pin; 21, moving rack; 22, limit pin; 23, limit slot; 2 4. Button; 25. Balance bar; 26. Top block; 27. Lifting slot; 28. Lifting pin; 29. ​​Turntable; 30. Connecting rod; 31. Movable slot; 32. Movable pin; 33. Limit rod; 34. Socket; 35. Pin; 36. Straight rod; 37. Positioning slot; 38. Positioning pin; 39. Slot; 40. Tongue; 41. Connecting slot; 42. Arc slot; 43. Knob; 44. Connecting pin; 45. Moving wheel; 46. Support column. DETAILED DESCRIPTION

[0025] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings.

[0026] Depend on Figures 1 to 9 The present invention provides a box body 1, which includes a bracket 2 that can contact the ground at the lower side of the box body 1, a storage bin 3 is opened on the upper side of the box body 1, a lifting plate 4 is arranged on the lower side of the storage bin 3, and a placement box 5 is arranged above the lifting plate 4. A driving assembly is arranged in the box body 1, and the driving assembly can respectively drive the lifting and lowering of the bracket 2 and the lifting plate 4. Two cover plates 6 that are symmetrical front and back and can cover the storage bin 3 are hinged on the upper side of the box body 1, and slide grooves 7 are respectively arranged on the front and rear sides of the cover plate 6. The front and rear sides of the drive assembly are respectively fixedly connected with sliding pins 8 located in the slide grooves 7 on their corresponding sides. A fixing assembly is arranged on the left side of the box body 1, and the fixing assembly can limit the position of the cover plate 6. A push-pull rod 9 is hinged on the left side of the box body 1. A secondary limiting assembly is arranged in the box body 1, and the secondary limiting assembly can perform secondary limiting on the cover plate 6. The left side of the secondary limiting assembly can contact the push-pull rod 9. A cold storage bin 10 located on the left side of the storage and transportation box is respectively arranged on the front and rear sides of the box body 1, and a sealing door 11 that can cover the cold storage bin 10 is provided on the outside of the cold storage box.

[0027] As shown in the figure, the bracket 2 is provided for easy and stable placement. The storage bin 3, the lifting plate 4, the driving assembly, the cover plate 6, the slide groove 7 and the sliding pin 8 can be provided. The driving assembly can be used to drive the lifting plate 4 to drive the placement box 5 to rise and fall in the storage bin 3, thereby facilitating the loading of articles. At the same time, the placement box 5 can be taken out separately for easy cleaning, and it is also convenient for storing or dumping articles. At the same time, the cover plate 6 can be driven to be opened and closed by the driving assembly, so as to facilitate the taking of internal articles, and effectively solve the problem of inconvenient loading and unloading of articles. The slide groove 7 is provided with three parts. The first part is a quarter-ring groove. This part can be opened for inspection when there is no need to take out the internal articles during transportation. The second part is a horizontal groove. This part is for the driving assembly to lower the bracket 2 to a suitable position so that the transportation box can be in a stable state. The third part is an inclined groove, which can Under the action of the driving component, the cover plate 6 is driven to rotate by the sliding pin 8, so that it can be fully opened. The fourth part is a transverse groove, which can keep the cover plate 6 in an open state when the driving component drives the lifting plate 4 to rise or fall. When the cover plate 6 is closed, the sliding pin 8 is located at the hinge between the first part and the second part of the sliding groove 7. A fixing component is provided to limit the cover plate 6 to prevent it from opening without reason and causing internal temperature loss. A secondary limiting component is provided to ensure that the cover plate 6 is fixed for a secondary period of time during the push-pull transportation process to prevent it from being accidentally opened. A push-pull rod 9 is provided to facilitate the movement of the box body 1 as a whole. A cold storage bin 10 and a sealed door 11 are provided to provide multiple storage locations for the purpose of classified storage. A sealing rubber plate is provided at the contact between the upper side of the storage bin 3 and the cover plate 6, which can play a good sealing role.

[0028] The driving assembly includes a hydraulic rod 12, the output end of the hydraulic rod 12 is fixedly connected to a moving rod 13, the front and rear sides of the moving rod 13 are respectively fixedly connected to a driving plate 14, the front and rear sides of the bracket 2 are respectively fixedly connected to a lifting plate 15, the lifting plate 15 is provided with an inverted L-shaped lifting groove 16, the lower sides of the opposite ends of the two driving plates 14 are respectively fixedly connected to lifting pins 17 inserted into the lifting grooves 16 on the corresponding sides, an L-shaped driving groove 18 is provided on the driving plate 14, the front and rear sides of the storage bin 3 are respectively provided with waist-shaped grooves 19, the front and rear sides of the lifting plate 4 are respectively fixedly connected to driving pins 20 located in the driving grooves 18 on the corresponding sides, and the driving pins 20 are located in the waist-shaped grooves 19 on the corresponding sides.

[0029] As shown in the figure, a hydraulic rod 12, a moving rod 13, a driving plate 14, a lifting plate 15, a lifting slot 16, and a lifting pin 17 are provided. The hydraulic rod 12 can be used to drive the front and rear driving plates 14 to move left and right through the moving rod 13, and then the lifting pin 17 and the lifting slot 16 can be used to drive the lifting plate 15 to move up and down, and then the bracket 2 can be driven to move up and down. The lifting slot 16 is divided into two parts. The first part is an inclined slot at the lower left and upper right. When the lifting pin 17 moves in this part, the bracket 2 can be driven to move up and down. The second part is a horizontal slot. This part can keep the bracket 2 in contact with the driving plate 14 when it continues to move left and right. The box body 1 is in contact with the ground and supported. The driving groove 18, the waist-shaped groove 19 and the driving pin 20 are set. The left and right movement of the driving plate 14 can be used to drive the lifting plate 4 to move up and down through the action of the driving groove 18 and the driving pin 20. The waist-shaped groove 19 can ensure that the lifting plate 4 remains horizontal. The driving groove 18 is divided into two parts. The first part is an inclined groove at the upper left and lower right. When the driving pin 20 moves in this part, it can drive the lifting plate 4 to move up and down. The second part is a horizontal groove. When the driving pin 20 is in this part, the lifting plate 4 keeps its position unchanged at the bottom of the storage bin 3. The length of this groove can ensure that the bracket 2 is lifted and lowered and the cover plate 6 is flipped over.

[0030] The upper end of the driving plate 14 is fixedly connected to the sliding pin 8 on the corresponding side thereof.

[0031] As shown in the figure, the driving assembly can drive the cover plate 6 to flip by utilizing the action of the sliding pin 8 and the sliding slot 7 .

[0032] The fixing assembly includes a moving frame 21, and the front and rear sides of the moving frame 21 are respectively fixedly connected to limit pins 22, and the left ends of the two cover plates 6 are respectively provided with limit grooves 23 corresponding to the limit pins 22, and the limit pins 22 can be inserted into the limit grooves 23. The upper end surface of the moving frame 21 is an inclined surface with the left side higher and the right side lower. The upper end of the box body 1 is slidably connected to a button 24 whose lower end can contact the inclined surface of the moving frame 21, and the rear end of the moving frame 21 is fixedly connected to a balance rod 25, and the balance rod 25 is sleeved with a compression spring 1 located between the box body 1 and the moving frame 21.

[0033] As shown in the figure, a fixing component is provided to release the limit of the cover plate 6 by using the button 24. At the same time, after the button 24 is released, a pair of compression springs can be used to limit and fix the cover plate 6, thereby achieving the purpose of preliminarily fixing the cover plate 6 to prevent it from opening at will.

[0034] Two top blocks 26 located at the front and rear sides of the movable frame 21 are slidably connected in the box body 1, and the top blocks 26 can respectively contact the lower ends of the cover plates 6 on their corresponding sides. The opposite ends of the two top blocks 26 are respectively provided with lifting grooves 27, and the front and rear sides of the movable frame 21 are respectively fixedly connected with lifting pins 28 located in the lifting grooves 27 on their corresponding sides.

[0035] As shown in the figure, the top block 26, the lifting groove 27 and the lifting pin 28 can continue to move downward after the button 24 releases the limit on the cover 6. At this time, the movable frame 21 continues to move to the left, and then can drive the top plate to move upward, so as to lift the cover 6 and facilitate the opening of the cover 6.

[0036] The secondary limiting assembly includes a turntable 29, and connecting rods 30 are respectively provided on the upper and lower sides of the turntable 29. The connecting rods 30 are slidably connected to the box body 1, and movable grooves 31 are respectively provided at the opposite ends of the two connecting rods 30. The upper and lower sides of the turntable 29 are respectively fixedly connected with movable pins 32 that can be inserted into the movable grooves 31 on the corresponding sides. The right end of the upper connecting rod 30 is fixedly connected with a U-shaped limiting rod 33, and a plug hole 34 is provided on the cover plate 6. The front and rear sides of the right end of the limiting rod 33 are respectively fixedly connected with pins 35 that can be inserted into the plug hole 34. The lower end of the lower connecting rod 30 is fixedly connected with a straight rod 36, and a reset spring located between the straight rod 36 and the connecting rod 30 is sleeved on the straight rod 36. The left end of the lower connecting rod 30 can contact the push-pull rod 9.

[0037] As shown in the figure, after the transportation is completed, the push-pull rod 9 needs to be put back into the box body 1. At this time, the push-pull rod 9 will contact the connecting rod 30 on the lower side, and then the limit on the cover 6 can be released through the secondary limit assembly. At this time, the cover 6 can be opened using the button 24. During the transportation process, the upper side of the push-pull rod 9 is not in the box body 1. At this time, the connecting rod 30 on the lower side drives the secondary limit assembly to limit the cover 6 under the action of the reset spring. At this time, it can be ensured that during the transportation process, the cover 6 will not be opened for no reason, resulting in internal heat loss. The push-pull rod 9 is set as a retractable rod, and the length can be adjusted according to needs, which is convenient for moving the storage and transportation box. A torsion spring is provided at the hinge between the push-pull rod 9 and the box body 1. This torsion spring can ensure that the push-pull rod 9 always has a force to fit the box body 1 without the action of external force, and can ensure that the push-pull rod 9 will not swing at will.

[0038] The front and rear sides of the lower end of the push-pull rod 9 are respectively provided with a plurality of positioning grooves 37 , and the front and rear sides of the box body 1 are respectively connected with positioning pins 38 via compression springs 2 , and the positioning pins 38 can be inserted into the positioning grooves 37 on the corresponding sides.

[0039] As shown in the figure, the positioning groove 37, the positioning pin 38 and the second compression spring are provided to facilitate positioning of the push-pull rod 9 to prevent it from swinging randomly.

[0040] The left side of the box body 1 is provided with a slot 39 located on the left side of the cold storage warehouse 10, the sealing door 11 is hinged to the box body 1, and the left side of the sealing door 11 is slidably connected with a latch tongue 40 which can be inserted into the slot 39 on the corresponding side, a compression spring 3 is provided between the latch tongue 40 and the sealing door 11, a connecting groove 41 is provided on the latch tongue 40, an arc groove 42 is provided on the sealing door 11, the outer wall of the sealing door 11 is rotatably connected with a knob 43, and a connecting pin 44 is fixedly connected to the knob 43, and the connecting pin 44 passes through the arc groove 42 and the rear end is located in the connecting groove 41 on the corresponding side.

[0041] As shown in the figure, the sealing door 11 and the knob 43 are provided to facilitate sealing the cold storage bin 10 , and the sealing door 11 can be opened or fixed by using the knob 43 .

[0042] The box body 1 is provided with two front-to-rear opposite moving wheels 45 on the left and right sides respectively, and two left-to-right opposite supporting columns 46 are fixedly connected to the front and rear sides of the box body 1 respectively, and the supporting columns 46 are slidably connected to the bracket 2.

[0043] As shown in the figure, the movable wheels 45 are provided to facilitate the movement of the storage and transportation box, and the support columns 46 are provided to facilitate the positioning of the bracket 2 to prevent the bracket 2 from tilting and causing the storage and transportation box to be placed unstably.

[0044] When the present invention is in use, when it is necessary to load items, the hydraulic rod 12 is started to drive the driving plate 14 to move to the right. The driving plate 14 drives the bracket 2 to descend under the action of the lifting pin 17 and the lifting slot 16. When the bracket 2 descends to the lower end limit position, the main body of the box body 1 is lifted, and the moving wheel 45 is off the ground. Then, the button 24 is pressed, and the limit of the cover plate 6 can be released by the fixing component. Then, the hydraulic rod 12 drives the driving plate 14 to continue to move to the right. At this time, the sliding pin 8 drives the cover plate 6 to rotate to a vertical state under the action of the sliding slot 7. Then, the driving pin 20 drives the lifting plate 4 to rise to the highest point under the action of the driving slot 18, and the placement box 5 is ejected to the outside of the storage bin 3. The hydraulic cylinder is closed, and then the placement box 5 can be used to store items. After the items are placed, the placement box 5 is put back to its original position, and then the hydraulic rod 12 is started, which drives the driving plate 14 to move to the left, and the lifting plate 4 is lowered, and the placement box 5 enters the storage bin 3. The button 24 is pressed to ensure that the cover plate 6 can be closed normally and then the cover plate 6 is fixed. Then the bracket 2 rises, and the moving wheel 45 contacts the ground, and the storage is completed. At this time, other minor items that need to be refrigerated can be stored in the cold storage bin 10, so as to achieve the purpose of classified storage and avoid contamination between items. Then, the push-pull rod 9 is pulled out of the box body 1. At this time, the secondary limit assembly performs secondary limit on the cover plate 6 under the action of the return spring, which can prevent the cover plate 6 from opening in the case of accidental touch. Then, the push-pull rod 9 can be used to move and transport the box body 1; After the transportation is completed, the box 1 can be placed in a safe place, and then the push-pull rod 9 is returned to the box 1. At this time, the secondary limit is unlocked, and then the button 24 can be pressed to open the cover 6 to check the items inside; When it is necessary to unload the items, the placement box 5 can be taken out by using the driving assembly.

[0045] In the present invention, the hydraulic rod 12, the storage bin 3, the placement box 5 and the cold storage bin 10 are all prior art, wherein the storage bin 3, the placement box 5 and the cold storage bin 10 all have a refrigeration function, and will not be described in detail here.

[0046] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A smart cold chain storage and transportation box, comprising a box body (1), characterized in that: The lower side of the box body (1) is provided with a support (2) that can contact the ground, the upper side of the box body (1) is provided with a storage bin (3), the lower side of the storage bin (3) is provided with a lifting plate (4), and a placement box (5) is provided above the lifting plate (4). A driving component is provided in the box body (1), and the driving component can respectively drive the support (2) and the lifting plate (4) to rise and fall, and the upper side of the box body (1) is hinged with two front and rear symmetrical cover plates (6) that can cover the storage bin (3), and the front and rear sides of the cover plate (6) are respectively provided with slide grooves (7), and the front and rear sides of the driving component are respectively fixedly connected to the cover plate (6). A sliding pin (8) is connected to the sliding groove (7) on the corresponding side. A fixing component is provided on the left side of the box body (1). The fixing component can limit the position of the cover plate (6). A push-pull rod (9) is hinged on the left side of the box body (1). A secondary limiting component is provided in the box body (1). The secondary limiting component can perform secondary limiting on the cover plate (6). The left side of the secondary limiting component can contact the push-pull rod (9). Cold storage bins (10) located on the left side of the storage and transportation box are respectively provided on the front and rear sides of the box body (1). A sealing door (11) that can cover the cold storage bin (10) is provided on the outside of the cold storage box.

2. The intelligent cold chain storage and transportation box according to claim 1 is characterized in that: The driving assembly comprises a hydraulic rod (12), the output end of the hydraulic rod (12) is fixedly connected to a moving rod (13), the front and rear sides of the moving rod (13) are respectively fixedly connected to a driving plate (14), the front and rear sides of the bracket (2) are respectively fixedly connected to a lifting plate (15), an inverted L-shaped lifting groove (16) is provided on the lifting plate (15), the lower sides of the opposite ends of the two driving plates (14) are respectively fixedly connected to a lifting pin (17) inserted into the lifting groove (16) on the corresponding side, the driving plate (14) is provided with an L-shaped driving groove (18), the front and rear sides of the storage bin (3) are respectively provided with a waist-shaped groove (19), the front and rear sides of the lifting plate (4) are respectively fixedly connected to a driving pin (20) located in the driving groove (18) on the corresponding side, and the driving pin (20) is located in the waist-shaped groove (19) on the corresponding side.

3. The intelligent cold chain storage and transportation box according to claim 2 is characterized in that: The upper end of the driving plate (14) is fixedly connected to the sliding pin (8) on the corresponding side thereof.

4. The intelligent cold chain storage and transportation box according to claim 1, characterized in that: The fixing assembly comprises a moving frame (21), the front and rear sides of the moving frame (21) are respectively fixedly connected to limit pins (22), the left ends of the two cover plates (6) are respectively provided with limit slots (23) corresponding to the limit pins (22), the limit pins (22) can be inserted into the limit slots (23), the upper end surface of the moving frame (21) is an inclined surface with the left side higher and the right side lower, the upper end of the box body (1) is slidably connected to a button (24) whose lower end can contact the inclined surface of the moving frame (21), and the rear end of the moving frame (21) is fixedly connected to a balance rod (25), and the balance rod (25) is sleeved with a compression spring located between the box body (1) and the moving frame (21).

5. The intelligent cold chain storage and transportation box according to claim 4, characterized in that: Two top blocks (26) located at the front and rear sides of the moving frame (21) are slidably connected in the box body (1), and the top blocks (26) can respectively contact the lower ends of the cover plates (6) on the corresponding sides thereof, and the opposite ends of the two top blocks (26) are respectively provided with top lifting grooves (27), and the front and rear sides of the moving frame (21) are respectively fixedly connected with top lifting pins (28) located in the top lifting grooves (27) on the corresponding sides thereof.

6. The intelligent cold chain storage and transportation box according to claim 1, characterized in that: The secondary limit assembly comprises a rotating disk (29), wherein connecting rods (30) are respectively provided on the upper and lower sides of the rotating disk (29), wherein the connecting rods (30) are slidably connected to the box body (1), wherein movable grooves (31) are respectively provided at the opposite ends of the two connecting rods (30), wherein movable pins (32) which can be inserted into the movable grooves (31) on the corresponding sides are respectively fixedly connected to the upper and lower sides of the rotating disk (29), wherein the right end of the upper connecting rod (30) is fixedly connected to a U-shaped limit rod (33), wherein a plug hole (34) is provided on the cover plate (6), wherein the front and rear sides of the right end of the limit rod (33) are respectively fixedly connected to plug pins (35) which can be inserted into the plug hole (34), wherein the lower end of the lower connecting rod (30) is fixedly connected to a straight rod (36), wherein a return spring located between the straight rod (36) and the connecting rod (30) is sleeved on the straight rod (36), and wherein the left end of the lower connecting rod (30) can contact the push-pull rod (9).

7. The intelligent cold chain storage and transportation box according to claim 1, characterized in that: A plurality of positioning grooves (37) are respectively provided on the front and rear sides of the lower end of the push-pull rod (9), and positioning pins (38) are respectively connected to the front and rear sides of the box body (1) via two compression springs, and the positioning pins (38) can be inserted into the positioning grooves (37) on the corresponding sides.

8. The intelligent cold chain storage and transportation box according to claim 1, characterized in that: The box body (1) is provided with a slot (39) on the left side of the cold storage bin (10), the sealing door (11) is hinged to the box body (1), the sealing door (11) is slidably connected to the left side of the sealing door (11) with a latch tongue (40) which can be inserted into the slot (39) on the corresponding side, a compression spring (3) is provided between the latch tongue (40) and the sealing door (11), a connecting slot (41) is provided on the latch tongue (40), an arc-shaped slot (42) is provided on the sealing door (11), an outer wall of the sealing door (11) is rotatably connected with a knob (43), a connecting pin (44) is fixedly connected to the knob (43), the connecting pin (44) passes through the arc-shaped slot (42) and the rear end of the connecting pin (44) is located in the connecting slot (41) on the corresponding side.

9. The intelligent cold chain storage and transportation box according to claim 1, characterized in that: Two front-to-rear moving wheels (45) are respectively provided on the left and right sides of the box body (1), and two left-to-right opposing supporting columns (46) are respectively fixedly connected to the front and rear sides of the box body (1), and the supporting columns (46) are slidably connected to the bracket (2).

Images